/* ═══════════════════════════════════════════════════════════════
   natane AI（11回目）
   考え方：natane.co の素材（オーブ、ガラスのヘッダー、空の帯、手描きの絵、鉛筆の点線、
   フッターの KEEP ASKING）で組んだ、説明資料のウェブ版。読む人の中心は学校と教育委員会。
   ・最初の画面は穂坂町の写真（ヒーロー D）。natane.co の最初の画面（動画）とは分ける
   ・区画の名前は、パソコンでは左に縦書き。説明の中心は図と表で、文は短く
   ・地は灰・白・紺・淡い青を区画ごとに替える。紹介映像は、作っている人の後の帯
   ・数字には出典、決まっていないことには印をつける
   ・文字はゴシックだけ（Zen Kaku Gothic New と、英字・数字の Jost）。明朝は使わない
   ・色は1つの見た目に決めている（natane.co と同じ明るい地）。暗い表示には切り替えない
   ═══════════════════════════════════════════════════════════════ */
:root{
  color-scheme:light;
  /* 地と文字 */
  --ground:#F4F5F7; --paper:#FFFFFF; --ink:#14181E; --text:#20252C; --sub:#47505D; --muted:#5F6874;
  --line:#E1E5EA; --line2:#D3DAE2;
  /* natane の色 */
  --navy:#1B2A4A; --blue:#0071B9; --sky:#5FA6DB; --pale:#9CCBEA; --pale-l:#E6F0F8;
  --red:#CE3B57; --red-l:#FBEAEE;
  /* 画面の作例（アプリと同じ色） */
  --a-paper:#FAFAFA; --a-ink:#333333; --a-sub:#5C6B7F; --a-meta:#94A3B4; --a-line:#E4EBF3; --a-tint:#F2F6FA; --a-red:#BD2F4C; --a-ok:#3E7FB4;
  /* 文字 */
  --jp:"Zen Kaku Gothic New","Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic",Meiryo,sans-serif;
  --en:"Jost","Zen Kaku Gothic New","Hiragino Sans",system-ui,sans-serif;
  /* 組み */
  --wrap:1200px; --gut:clamp(16px,4vw,56px);
  --ease:cubic-bezier(.22,1,.36,1);
  --r-card:22px;
  --sh1:0 1px 2px rgba(27,42,74,.04),0 10px 28px rgba(27,42,74,.06);
  --sh2:0 2px 4px rgba(20,24,30,.06),0 24px 56px rgba(27,42,74,.16);
  /* natane.co の鏡面（「総合型選抜について、詳しく知る。」のボタンと同じ） */
  --pearl:linear-gradient(180deg,#FFFFFF 0%,#F6F8FB 46%,#E7ECF2 100%);
  --pearl-sh:0 10px 30px rgba(27,42,74,.13),inset 0 1px 0 #fff,inset 0 -7px 16px rgba(27,42,74,.06),inset 0 0 0 1px rgba(255,255,255,.6);
  --sheen:linear-gradient(104deg,transparent 35%,rgba(255,255,255,1) 45%,rgba(214,222,232,.62) 52%,rgba(255,255,255,.4) 56%,transparent 63%);
  --wall:radial-gradient(60% 50% at 78% 18%,rgba(255,255,255,.35),rgba(255,255,255,0) 70%),linear-gradient(180deg,#3B5C93 0%,#2E84C4 34%,#63A8DB 64%,#BDD4E7 84%,#F2D6C6 100%);
  --aurora:
    radial-gradient(46% 38% at 22% 8%,rgba(178,212,234,.62) 0%,rgba(178,212,234,0) 66%),
    radial-gradient(34% 30% at 88% 18%,rgba(240,180,137,.26) 0%,rgba(240,180,137,0) 64%),
    radial-gradient(48% 40% at 8% 70%,rgba(140,178,220,.34) 0%,rgba(140,178,220,0) 66%),
    radial-gradient(40% 34% at 78% 80%,rgba(206,192,232,.26) 0%,rgba(206,192,232,0) 64%),
    radial-gradient(60% 40% at 50% 112%,rgba(178,212,234,.42) 0%,rgba(178,212,234,0) 68%),
    #FAFAFA;
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html{scroll-behavior:smooth;overflow-x:clip;-webkit-text-size-adjust:100%}
body{background:var(--ground);color:var(--text);font-family:var(--jp);font-weight:500;font-size:16px;line-height:1.95;letter-spacing:.04em;
  font-feature-settings:"palt" 1;word-break:normal;line-break:strict;-webkit-font-smoothing:antialiased;overflow-wrap:anywhere}
img,video{max-width:100%;height:auto;display:block}
a{color:inherit}
b,strong{font-weight:700;color:var(--ink)}
em{font-style:normal;color:var(--red)}
h1,h2,h3,h4{color:var(--ink);font-weight:700;word-break:keep-all;text-wrap:balance}
p,li,dd,td{text-wrap:pretty}
.kw{word-break:keep-all}
.nw{white-space:nowrap}
.en{font-family:var(--en)}
.tnum{font-variant-numeric:tabular-nums}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:6px}
.dk :focus-visible,.how :focus-visible,.close :focus-visible,.hd.inv :focus-visible{outline-color:#fff}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

.wrap{max-width:var(--wrap);margin-inline:auto;position:relative;
  padding-left:max(var(--gut),env(safe-area-inset-left,0px));padding-right:max(var(--gut),env(safe-area-inset-right,0px))}
@media (min-width:1600px){:root{--wrap:1320px}}
main{position:relative;z-index:1}
section{position:relative}
section[id]{scroll-margin-top:96px}

/* ── ヘッダー：natane.co と同じ（ふだんは地に溶ける半透明のガラス。指を置くと、白い帯になる） ── */
.hd{position:fixed;z-index:100;top:calc(16px + env(safe-area-inset-top,0px));left:max(16px,env(safe-area-inset-left,0px));right:max(16px,env(safe-area-inset-right,0px));
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  max-width:1400px;margin:0 auto;padding:10px 14px 10px 24px;border-radius:60px;
  background:rgba(255,255,255,.18);-webkit-backdrop-filter:blur(6px) saturate(1.05);backdrop-filter:blur(6px) saturate(1.05);
  font-size:16px;line-height:2;letter-spacing:.04em;color:#233043;
  transition:background .35s var(--ease),box-shadow .35s var(--ease)}
.hd:hover,.hd.solid,.hd.open{background:rgba(255,255,255,.94);-webkit-backdrop-filter:blur(16px) saturate(1.1);backdrop-filter:blur(16px) saturate(1.1);box-shadow:0 4px 16px rgba(59,58,85,.05)}
.logo{display:flex;align-items:center;gap:11px;text-decoration:none;color:#233043;min-width:0}
.logo canvas.natane-orb{width:44px;height:44px;display:block;flex:none}
.logo-txt{display:flex;flex-direction:column;gap:4px;line-height:1}
.logo-wm{font-family:var(--en);font-weight:400;font-size:22px;letter-spacing:.125em;color:#233043;line-height:1;white-space:nowrap;transition:color .35s var(--ease)}
.logo-wm b{font-family:var(--en);font-weight:500;font-size:.68em;letter-spacing:.1em;color:var(--blue);margin-left:.3em;transition:color .35s var(--ease)}
.logo-tg{font-family:var(--jp);font-weight:500;font-size:10.5px;letter-spacing:.05em;color:#5D6573;line-height:1;white-space:nowrap;transition:color .35s var(--ease)}
.nav{display:flex;align-items:center;gap:24px;font-size:14px;font-weight:700;line-height:28px;letter-spacing:.046em}
.nav a{text-decoration:none;transition:color .25s}
.nav a:not(.pill){color:rgba(20,30,52,.88)}
.nav a:not(.pill):hover{color:var(--blue)}
.nav a[aria-current="page"]{color:var(--blue)}
.pill{display:inline-flex;align-items:center;gap:10px;border-radius:48px;padding:12px 26px;font-weight:700;text-decoration:none;white-space:nowrap;
  transition:transform .25s,box-shadow .25s,background .25s,color .25s,border-color .25s}
.pill:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(27,42,74,.15)}
.pill .arrow{width:22px;height:22px;border-radius:50%;display:inline-grid;place-items:center;flex:none;transition:transform .25s,background .25s}
.pill:hover .arrow{transform:translateX(3px)}
.pill .arrow svg{width:12px;height:12px;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
/* ご相談のボタン：ふだんは白抜きの輪郭、帯に指を置くと濃紺の塗り */
.hd .pill--y{background:rgba(255,255,255,.86);color:#14203A;border:1px solid rgba(20,30,52,.28)}
.hd .pill--y .arrow{background:#14203A}
.hd .pill--y .arrow svg{stroke:#fff}
.hd:hover .pill--y{background:var(--navy);color:#fff;border-color:transparent;box-shadow:0 6px 18px rgba(27,42,74,.22)}
.hd:hover .pill--y .arrow{background:#fff}
.hd:hover .pill--y .arrow svg{stroke:#14203A}
/* 空の帯の上では、文字だけ白にする。ガラスは同じ */
.hd.inv:not(:hover) .logo-wm,.hd.inv:not(:hover) .nav a:not(.pill){color:#fff}
.hd.inv:not(:hover) .logo-tg{color:rgba(255,255,255,.82)}
.hd.inv:not(:hover) .logo-wm b{color:#C4E3F7}
.hd.inv:not(:hover) .pill--y{border-color:rgba(255,255,255,.6)}
/* 1180px 以下：ページの中へのリンクは「メニュー」にまとめる */
.mbtn{display:none;align-items:center;gap:8px;font:inherit;font-size:14px;font-weight:700;letter-spacing:.06em;color:#14203A;background:rgba(255,255,255,.86);border:1px solid rgba(20,30,52,.28);border-radius:48px;padding:10px 18px;cursor:pointer;line-height:1.4}
.mb-ic{display:grid;gap:3px;width:14px}
.mb-ic i{display:block;height:1.6px;border-radius:2px;background:currentColor;transition:transform .3s var(--ease),opacity .3s}
.mbtn[aria-expanded="true"] .mb-ic i:nth-child(1){transform:translateY(4.6px) rotate(45deg)}
.mbtn[aria-expanded="true"] .mb-ic i:nth-child(2){opacity:0}
.mbtn[aria-expanded="true"] .mb-ic i:nth-child(3){transform:translateY(-4.6px) rotate(-45deg)}
.mnav{position:absolute;top:calc(100% + 10px);right:0;width:min(320px,calc(100vw - 32px));display:grid;padding:8px;border-radius:24px;background:#fff;box-shadow:0 14px 40px rgba(27,42,74,.18),0 0 0 1px var(--line)}
.mnav a{display:block;padding:12px 16px;border-radius:14px;font-size:15px;font-weight:700;letter-spacing:.05em;color:var(--navy);text-decoration:none;line-height:1.5}
.mnav a:hover{background:var(--ground);color:var(--blue)}
.mnav a[aria-current="page"]{color:var(--blue)}
.hd.inv:not(:hover):not(.open) .mbtn{border-color:rgba(255,255,255,.6)}
@media (max-width:1180px){.nav .sec-lk{display:none}.mbtn{display:inline-flex}}
@media (max-width:640px){
  .hd{top:calc(10px + env(safe-area-inset-top,0px));left:max(10px,env(safe-area-inset-left,0px));right:max(10px,env(safe-area-inset-right,0px));padding:8px 10px 8px 14px;gap:10px}
  .logo{gap:8px;flex:0 1 auto}
  .logo-wm{font-size:20px;letter-spacing:.1em}
  .logo-tg{font-size:10px;letter-spacing:.03em}
  .logo canvas.natane-orb{width:40px;height:40px}
  .nav{gap:10px;flex:none}
  .hd .nav .pill{font-size:12.5px;letter-spacing:.02em;padding:9px 13px;gap:7px}
  .hd .nav .pill .arrow{width:19px;height:19px}
  .mbtn{padding:9px 12px;font-size:12.5px}
  .mb-t{display:none}
}
@media (max-width:420px){.logo-tg{display:none}}

/* ── 右の鉛筆の点線（natane.co と同じ）。どこまで読んだかが、鉛筆の位置でわかる ── */
.lane{position:fixed;z-index:40;right:max(32px,calc((100vw - var(--wrap)) / 2 - 56px));top:118px;bottom:64px;width:26px;pointer-events:none;display:none;opacity:0;transition:opacity .5s var(--ease)}
.lane.on{opacity:1}
.lane-bg,.lane-ink{position:absolute;left:12px;top:0;width:2.4px;border-radius:2px}
.lane-bg{bottom:0;background:repeating-linear-gradient(180deg,rgba(156,203,234,.42) 0 2.4px,transparent 2.4px 11px)}
.lane-ink{height:0;background:repeating-linear-gradient(180deg,#7DB9E3 0 2.4px,transparent 2.4px 11px)}
.lane-pen{position:absolute;left:10px;top:0;width:34px;max-width:none;height:auto;transform:translate(0,-103%) rotate(172deg);transform-origin:50% 50%;filter:drop-shadow(0 3px 6px rgba(27,42,74,.22))}
@media (min-width:1360px){.lane{display:block}}

/* ── ボタンとリンク ── */
.btn{display:inline-flex;align-items:center;gap:12px;border-radius:999px;font-weight:700;font-size:14px;letter-spacing:.06em;text-decoration:none;
  padding:12px 14px 12px 24px;transition:transform .3s var(--ease),box-shadow .3s var(--ease);white-space:nowrap;border:0;cursor:pointer;font-family:inherit}
.btn i{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;flex:none}
.btn svg{width:12px;height:12px;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.btn:hover{transform:translateY(-2px)}
.btn-navy{background:var(--navy);color:#fff;box-shadow:0 8px 22px rgba(27,42,74,.18)}
.btn-navy i{background:#fff} .btn-navy svg{stroke:var(--navy)}
.btn-pearl{position:relative;overflow:hidden;isolation:isolate;background:var(--pearl);color:var(--navy);box-shadow:var(--pearl-sh)}
.btn-pearl:after{content:"";position:absolute;inset:-40% -10%;background:var(--sheen);transform:translateX(-18%);transition:transform .7s var(--ease);pointer-events:none;z-index:-1}
.btn-pearl:hover:after{transform:translateX(22%)}
.btn-pearl i{background:var(--navy)} .btn-pearl svg{stroke:#fff}
.arw{display:inline-grid;place-items:center;flex:none;width:26px;height:26px;border-radius:50%;border:1.5px solid rgba(0,113,185,.35);transition:border-color .25s,transform .25s var(--ease)}
.arw svg{width:11px;height:11px;fill:none;stroke:var(--blue);stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
a:hover>.arw,a:hover .arw{border-color:var(--blue)}
.tlink{display:inline-flex;align-items:center;gap:10px;font-size:14px;font-weight:700;letter-spacing:.06em;color:var(--blue);text-decoration:none;line-height:1.6}
.tlink:hover{text-decoration:underline;text-underline-offset:4px}

/* ── 印（いま／2026年11月から／これから／未定）。トップとデータと安全のページで同じ形 ── */
.st{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;letter-spacing:.04em;line-height:1;padding:5px 10px;border-radius:999px;white-space:nowrap;vertical-align:.12em;font-family:var(--jp)}
.st-now{color:var(--navy);background:var(--pale-l)}
.st-now:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue)}
.st-nov{color:#005F9E;background:var(--paper);box-shadow:inset 0 0 0 1px rgba(0,113,185,.5)}
.st-next{color:var(--sub);background:var(--paper);box-shadow:inset 0 0 0 1px var(--line2)}
.st-tbd{color:var(--sub);background:transparent;box-shadow:none;outline:1px dashed #9BA6B4;outline-offset:-1px}
p .st,li .st,td .st,dd .st{margin-right:8px}

/* ── 区画 ── */
.scene{position:relative;padding-block:clamp(84px,9vw,136px)}
/* 白い面（natane.co の紙の面）。上と下に細い線 */
.pap{background:var(--paper)}
.pap:before,.pap:after{content:"";position:absolute;left:0;right:0;height:1px;background:var(--line)}
.pap:before{top:0}.pap:after{bottom:0}
.blk{margin-top:clamp(72px,8vw,120px)}
.gapT{margin-top:clamp(28px,4vh,48px)}

/* ── 区画の名前：パソコン（1180px より広い）では左に縦書きで置き、区画を読んでいるあいだ残す。
      狭い画面では、見出しの上に横書き（説明資料と同じ、章の名前に赤い下線） ── */
.vt{display:none}
@media (min-width:1180px){
  .fr{display:grid;grid-template-columns:52px minmax(0,1fr);column-gap:clamp(32px,3.4vw,56px)}
  .fr>.fr-c{min-width:0}
  .vt{display:block;position:relative;margin:0}
  .vt>span{position:sticky;top:124px;display:flex;flex-direction:row;align-items:center;gap:16px;writing-mode:vertical-rl;text-orientation:mixed;
    font-weight:900;font-size:clamp(23px,1.75vw,28px);letter-spacing:.3em;line-height:1;color:var(--navy);white-space:nowrap}
  .vt>span:before{content:"";flex:none;width:9px;height:9px;border-radius:50%;background:var(--blue)}
  .vt>span:after{content:"";flex:none;width:2.4px;height:clamp(64px,11vh,120px);background:repeating-linear-gradient(180deg,var(--sky) 0 2.4px,transparent 2.4px 9px)}
  .fr .sh .sh-k{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;padding:0}
  .fr .sh h2{margin-top:0}
}
/* ── 章の頭（説明資料と同じ形：章の名前に赤い下線 → 2行までの見出し） ── */
.sh-k{display:inline-block;font-size:13.5px;font-weight:700;letter-spacing:.14em;color:var(--sub);line-height:1.6;padding-bottom:6px;border-bottom:2px solid var(--red)}
.sh h2{margin-top:18px;font-size:clamp(23px,min(2.2vw,4.3vh),32px);line-height:1.6;letter-spacing:.035em}
.sh .lead{margin-top:16px;font-size:15px;line-height:2;color:var(--sub);max-width:36em}
.sh.sp{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(0,1fr);gap:18px clamp(32px,4vw,72px);align-items:end}
.sh.sp .lead{margin-top:0;padding-bottom:.3em}
.h3m{font-size:clamp(17px,min(1.45vw,2.7vh),20px);line-height:1.7;letter-spacing:.04em}
.note{font-size:13px;line-height:1.85;color:var(--muted);letter-spacing:.03em}
.card{background:var(--paper);border-radius:var(--r-card);box-shadow:var(--sh1)}
@media (max-width:1023px){.sh.sp{grid-template-columns:minmax(0,1fr)}.sh.sp .lead{margin-top:2px}}

/* ── 作例を、置き場所の幅（と、パソコンでは画面の高さ）に合わせて縮める ── */
.fit{position:relative}
.fit>.fit-in{transform-origin:0 0;position:absolute;left:0;top:0}
.mk2,.pm{font-style:normal;display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--blue);color:#fff;font-family:var(--en);font-weight:600;font-size:12px;line-height:1;letter-spacing:0;flex:none}
.pm{position:absolute;z-index:9;width:26px;height:26px;font-size:13px;box-shadow:0 0 0 3px #fff,0 6px 14px rgba(0,113,185,.35)}

/* ── 現場では（区画の頭に置く、調査と資料の短いまとめ） ── */
.ctx{display:grid;gap:clamp(16px,2.4vh,24px) clamp(28px,4vw,64px);padding:clamp(22px,2.8vw,34px) clamp(22px,3.2vw,44px);border-radius:var(--r-card);background:var(--paper)}
.pap .ctx{background:var(--ground)}
.ctx-k{display:flex;align-items:center;gap:10px;font-size:12.5px;font-weight:700;letter-spacing:.16em;color:var(--sub);line-height:1.6}
.ctx-k:before{content:"";width:18px;height:1.5px;background:var(--sub);flex:none}
.ctx .fig{display:flex;align-items:flex-end;gap:clamp(14px,1.6vw,22px);margin-top:10px}
@media (max-width:560px){.ctx .fig{flex-direction:column;align-items:flex-start;gap:10px}}
.ctx .n{font-family:var(--en);font-weight:500;line-height:.86;letter-spacing:-.01em;white-space:nowrap;font-size:clamp(46px,min(4.6vw,8.4vh),64px);color:var(--navy)}
.ctx .n small{font-size:.38em;letter-spacing:0;margin-left:.06em}
.ctx .n.t{color:var(--navy)}
.ctx .n.t span{font-family:var(--jp);font-weight:700;font-size:.32em;margin:0 .14em 0 .08em}
.ctx .fig p:not(.n){font-size:15px;line-height:1.85;color:var(--text);max-width:24em}
.ctx .fig p:not(.n) small{display:block;margin-top:2px;font-size:13px;color:var(--muted);line-height:1.7}
.ctx-src{font-size:12px;line-height:1.8;color:var(--muted);letter-spacing:.02em;padding-top:12px;border-top:1px dashed var(--line2)}
.quotes{list-style:none;display:grid;gap:4px}
.quotes li{position:relative;padding-left:1.1em;font-size:15px;line-height:1.85;color:var(--ink);font-weight:700;letter-spacing:.04em}
.quotes li:before{content:"“";position:absolute;left:-.1em;top:-.12em;font-family:var(--en);font-size:1.7em;color:var(--pale);line-height:1}
.quotes+.qcap,.qcap{font-size:13px;color:var(--muted);margin-top:4px}

/* ═════════ 画面の作例：アプリと同じ見た目（項目名と色は、公開中のアプリの画面のもの） ═════════ */
.app{font-family:var(--jp);color:var(--a-ink);letter-spacing:.03em;line-height:1.85;font-size:14px;text-align:left}
.g{position:relative;border-radius:18px;
  background:linear-gradient(168deg,rgba(255,255,255,.84) 0%,rgba(255,255,255,.64) 52%,rgba(255,255,255,.56) 100%);
  box-shadow:0 1px 2px rgba(27,42,74,.04),0 8px 20px rgba(27,42,74,.05),inset 0 1px 0 rgba(255,255,255,.6),inset 0 -1px 0 rgba(27,42,74,.04)}
.g:before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;pointer-events:none;
  background:linear-gradient(150deg,rgba(255,255,255,.95) 0%,rgba(178,212,234,.55) 24%,rgba(255,255,255,.1) 52%,rgba(240,180,137,.26) 84%,rgba(255,255,255,.5) 100%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask-composite:exclude}
.g>*{position:relative}
.sec-h{display:flex;align-items:baseline;gap:10px;margin-bottom:6px}
.sec-h b{font-size:13px;font-weight:700;color:var(--navy);letter-spacing:.09em}
.sec-h span{font-size:10.5px;color:var(--a-meta);margin-left:auto;letter-spacing:.04em}
.privtag{display:inline-flex;align-items:center;font-size:9.5px;color:var(--a-red)!important;font-weight:700;letter-spacing:.1em!important;padding:1px 8px;border-radius:999px;background:rgba(189,47,76,.08)}
.abtn{display:inline-flex;align-items:center;justify-content:center;padding:7px 16px;border-radius:999px;font-size:11.5px;font-weight:700;letter-spacing:.08em;white-space:nowrap}
.abtn.pri{background:var(--navy);color:#fff;box-shadow:0 4px 16px rgba(27,42,74,.22)}
.abtn.gh{border:1px solid var(--a-line);color:var(--a-sub);background:rgba(255,255,255,.7)}
canvas.natane-orb{display:inline-block;flex:none;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff 0%,#D6E8F6 18%,#9CCBEA 46%,#5FA6DB 72%,#EFCDC4 100%)}
canvas.natane-orb.ready:not([data-orb-fallback]){background:transparent}

/* 先生の画面（ノートパソコン） */
/* MacBook（アルミの細い縁、細い黒の縁、ノッチ、本体） */
.mbp{position:relative}
.mbp .lid{position:relative;padding:2px;border-radius:21px 21px 5px 5px;background:linear-gradient(180deg,#E6E8EB 0%,#CED2D7 55%,#B9BEC4 100%);box-shadow:0 0 0 .6px rgba(20,24,30,.32),0 40px 70px -28px rgba(8,22,50,.5)}
.mbp .bz{position:relative;border-radius:19px 19px 4px 4px;background:#060607;padding:9px 9px 11px;box-shadow:inset 0 0 0 .8px #26272a}
.mbp .lid:after{content:"";position:absolute;left:4%;right:4%;bottom:-4px;height:4px;border-radius:0 0 3px 3px;background:linear-gradient(180deg,#1A1B1E,#3A3C40)}
.mbp .disp{position:relative;border-radius:10px 10px 3px 3px;overflow:hidden;background:var(--wall)}
.mbp .disp:after{content:"";position:absolute;inset:0;pointer-events:none;z-index:8;background:linear-gradient(155deg,rgba(255,255,255,.12) 0%,rgba(255,255,255,0) 28%)}
.mbp .notch{position:absolute;left:50%;top:0;width:100px;height:21px;border-radius:0 0 9px 9px;background:#060607;transform:translateX(-50%);z-index:9}
.mbp .notch:after{content:"";position:absolute;left:50%;top:7px;width:5px;height:5px;border-radius:50%;background:radial-gradient(circle at 40% 40%,#334366,#000 72%);transform:translateX(-50%)}
.mbp .base{position:relative;height:17px;margin:0 -5.6%;border-radius:2px 2px 15px 15px / 2px 2px 12px 12px;background:linear-gradient(180deg,#F3F4F6 0%,#DDE0E4 30%,#C3C8CE 70%,#A1A7AE 100%);box-shadow:inset 0 1px 0 rgba(255,255,255,.8),0 24px 40px -12px rgba(8,22,50,.45)}
.mbp .base:before{content:"";position:absolute;left:50%;top:0;width:14%;height:6px;border-radius:0 0 11px 11px;background:linear-gradient(180deg,#AEB3BA,#D1D5DA);transform:translateX(-50%)}
.mbp .base:after{content:"";position:absolute;left:5.3%;right:5.3%;top:0;height:2px;background:linear-gradient(90deg,#7F858D,#B9BEC5 50%,#7F858D)}
.mbar{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;height:21px;padding:0 14px;font-size:10px;font-weight:700;color:#14181E;background:rgba(255,255,255,.38);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);letter-spacing:.04em}
.mbar .l{display:flex;gap:14px}
.mbar .l span+span{font-weight:500}
.mbar .r{display:flex;gap:9px;align-items:center;font-family:-apple-system,BlinkMacSystemFont,"Jost",sans-serif;font-weight:500;letter-spacing:0}
.mbar svg{display:block;fill:#14181E}
.win{position:relative;margin:9px 14px 12px;border-radius:10px;overflow:hidden;background:#fff;box-shadow:0 0 0 .5px rgba(0,0,0,.28),0 22px 44px -10px rgba(8,22,50,.4)}
.wtb{display:flex;align-items:center;gap:12px;height:30px;padding:0 12px;background:linear-gradient(180deg,#F8F8F9,#EEEFF1);border-bottom:1px solid #DADBDF}
.wtb .tl{display:flex;gap:7px;flex:none}
.wtb .tl i{width:10px;height:10px;border-radius:50%;background:#FF5F57;box-shadow:inset 0 0 0 .5px rgba(0,0,0,.16)}
.wtb .tl i:nth-child(2){background:#FEBC2E}
.wtb .tl i:nth-child(3){background:#28C840}
.wtb .nav{display:flex;gap:10px;color:#9AA0A8;flex:none}
.wtb .nav svg{width:8px;height:10px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.wtb .addr{flex:1;max-width:46%;margin:0 auto;display:flex;align-items:center;justify-content:center;gap:5px;height:19px;border-radius:6px;background:#E4E5E8;font-size:10px;color:#3F444C;font-weight:500;letter-spacing:.04em}
.wtb .addr svg{width:7px;height:9px;fill:#6B7079}
.wtb .sp{width:62px;flex:none}
.desk{position:relative;overflow:hidden;background:var(--aurora);padding:12px 14px 16px}
.t-head{display:flex;align-items:center;gap:12px;padding:7px 10px 7px 14px;border-radius:999px;background:rgba(255,255,255,.86);box-shadow:0 2px 14px rgba(27,42,74,.06);border:1px solid rgba(255,255,255,.9)}
.t-head .who{display:flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;color:var(--navy);letter-spacing:.06em;white-space:nowrap}
.t-head .who canvas{width:22px;height:22px}
.t-head .who small{font-size:11px;color:var(--a-sub);font-weight:500;margin-left:4px}
.t-seg{margin-left:auto;display:flex;gap:2px;background:var(--a-tint);border-radius:999px;padding:3px}
.t-seg button{font:inherit;font-size:11.5px;font-weight:700;color:var(--a-meta);border:0;background:transparent;padding:4px 13px;border-radius:999px;letter-spacing:.06em;white-space:nowrap}
.t-seg button[aria-pressed="true"]{background:#fff;color:var(--navy);box-shadow:0 2px 8px rgba(27,42,74,.09)}
.share{display:flex;align-items:center;gap:7px;padding:4px 12px 4px 10px;border-radius:999px;border:1px solid var(--a-line);font-size:11px;font-weight:700;color:var(--a-sub);background:rgba(255,255,255,.7);white-space:nowrap;transition:all .3s}
.share i{width:7px;height:7px;border-radius:50%;background:#CFD7E0}
.share.on{border-color:rgba(189,47,76,.32);color:var(--a-red);background:rgba(189,47,76,.05)}
.share.on i{background:var(--a-red)}
.t-grid{display:grid;grid-template-columns:1.12fr 1fr;gap:12px;margin-top:14px}
.t-grid .full{grid-column:1/-1}
.t-stack{display:grid;gap:10px;margin-top:12px}
.g.pad{padding:13px 16px}
.nums{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.num{border-radius:12px;background:rgba(255,255,255,.66);padding:7px 12px}
.num small{display:block;font-size:10.5px;color:var(--a-sub);letter-spacing:.06em;line-height:1.5}
.num b{font-family:var(--en);font-weight:500;font-size:24px;color:var(--navy);letter-spacing:.02em;line-height:1.3}
.num b span{font-family:var(--jp);font-size:11px;margin-left:3px;color:var(--a-sub);font-weight:700}
.num b.jp{font-family:var(--jp);font-size:16px;font-weight:700;line-height:1.9}
.flag{display:flex;gap:9px;align-items:flex-start;font-size:13px;line-height:1.75}
.flag:before{content:"";flex:none;width:6px;height:6px;border-radius:50%;background:var(--sky);margin-top:.68em}
.lockbox{border-radius:12px;border:1px dashed var(--pale);background:rgba(242,246,250,.8);padding:10px 12px;font-size:12px;color:var(--a-sub);line-height:1.7}
.qbig{font-size:19px;font-weight:700;color:var(--navy);line-height:1.7;letter-spacing:.05em}
.own{font-size:10.5px;color:var(--a-ok);font-weight:700;margin-top:4px;letter-spacing:.06em}
.script{border-radius:12px;background:rgba(255,255,255,.7);border:1px solid var(--a-line);padding:10px 12px;font-size:12.5px;line-height:1.85;color:var(--a-sub)}
.row-btns{display:flex;gap:8px;margin-top:10px;align-items:center}
.draft{display:flex;gap:10px;align-items:flex-start;border-radius:12px;background:rgba(255,255,255,.72);border:1px solid var(--a-line);padding:10px 12px}
.draft .k{flex:none;font-size:10px;font-weight:700;color:#fff;background:var(--navy);border-radius:6px;padding:1px 7px;margin-top:3px;letter-spacing:.08em}
.draft p{font-size:13px;color:var(--navy);font-weight:700;line-height:1.7}
.outbox{display:flex;align-items:center;gap:10px;margin-top:2px}
.outbox .cnt{font-size:12px;color:var(--a-sub);white-space:nowrap}
.outbox .cnt b{font-family:var(--en);font-size:18px;color:var(--navy);margin:0 6px 0 3px;font-weight:500}
.nabtn{position:absolute;right:16px;bottom:16px;display:flex;align-items:center;gap:9px;padding:8px 16px 8px 9px;border-radius:999px;background:rgba(255,255,255,.94);border:1px solid rgba(255,255,255,.9);box-shadow:0 6px 24px rgba(27,42,74,.14);font-size:12px;font-weight:700;color:var(--navy);letter-spacing:.06em}
.nabtn canvas{width:24px;height:24px}

/* 生徒の画面（スマホ） */
/* iPhone（チタンの細い枠、細い黒の縁、Dynamic Island） */
.phone{position:relative;width:300px;height:634px;border-radius:55px;padding:2.5px;
  background:linear-gradient(145deg,#8D8A84 0%,#CFCBC4 22%,#9A968F 48%,#D6D2CB 74%,#86827C 100%);
  box-shadow:0 0 0 .6px rgba(0,0,0,.38),0 2px 3px rgba(8,22,50,.12),0 44px 70px -24px rgba(8,22,50,.5),0 16px 30px -18px rgba(8,22,50,.38)}
.phone:before{content:"";position:absolute;inset:.6px;border-radius:54px;box-shadow:inset 0 0 0 .7px rgba(255,255,255,.35),inset 0 0 0 1.6px rgba(0,0,0,.18);pointer-events:none;z-index:1}
.phone>.kb{position:absolute;width:3px;border-radius:2px;background:linear-gradient(90deg,#77736D,#BDB9B2 55%,#8E8A84)}
.phone>.kb.a{left:-2.6px;top:116px;height:24px}
.phone>.kb.v1{left:-2.6px;top:164px;height:46px}
.phone>.kb.v2{left:-2.6px;top:220px;height:46px}
.phone>.kb.p{right:-2.6px;top:182px;height:74px;background:linear-gradient(270deg,#77736D,#BDB9B2 55%,#8E8A84)}
.phone>.bz{position:relative;height:100%;border-radius:52.5px;background:#040405;padding:5px}
.scr{position:relative;width:100%;height:100%;border-radius:47px;overflow:hidden;background:var(--aurora);display:flex;flex-direction:column}
.scr:after{content:"";position:absolute;inset:0;pointer-events:none;z-index:8;background:linear-gradient(155deg,rgba(255,255,255,.12) 0%,rgba(255,255,255,0) 28%)}
.di{position:absolute;left:50%;top:8px;width:90px;height:26px;border-radius:15px;background:#000;transform:translateX(-50%);z-index:7}
.di:after{content:"";position:absolute;right:9px;top:8.5px;width:9px;height:9px;border-radius:50%;background:radial-gradient(circle at 38% 36%,#2E3B5C,#05070C 72%)}
.sbar{position:absolute;left:0;right:0;top:0;height:42px;display:flex;align-items:center;justify-content:space-between;padding:0 23px 0 32px;z-index:6;font-family:-apple-system,BlinkMacSystemFont,"Jost",sans-serif;font-weight:600;font-size:12.5px;letter-spacing:0;color:#0B0D12;line-height:1}
.sbar>span:first-child{width:60px;text-align:center}
.sbar .ic{display:flex;gap:4px;align-items:center;width:60px;justify-content:center}
.sbar svg{display:block;fill:#0B0D12}
.hind{position:absolute;left:50%;bottom:6px;width:100px;height:4px;border-radius:3px;background:#0B0D12;opacity:.88;transform:translateX(-50%);z-index:7}
.s-head{margin:46px 12px 0;display:flex;align-items:center;gap:8px;padding:7px 12px 7px 9px;border-radius:999px;background:rgba(255,255,255,.86);border:1px solid rgba(255,255,255,.9);box-shadow:0 2px 14px rgba(27,42,74,.06)}
.s-head canvas{width:22px;height:22px}
.s-head b{font-family:var(--en);font-weight:400;font-size:15px;letter-spacing:.12em;color:#233043}
.s-tabs{display:flex;gap:6px;padding:12px 14px 6px}
.s-tabs span{font-size:11px;font-weight:700;letter-spacing:.06em;color:var(--a-meta);padding:5px 12px;border-radius:999px}
.s-tabs span.on{background:var(--navy);color:#fff}
.s-body{padding:6px 14px;display:grid;gap:10px}
.qcard{border-radius:24px;padding:16px 16px 14px}
.qcard .k{font-size:11px;letter-spacing:.1em;color:var(--navy);font-weight:700}
.qcard h4{font-size:17px;font-weight:700;line-height:1.7;letter-spacing:.04em;color:var(--navy);margin-top:6px}
.s-sec .sec-h{margin:2px 4px 6px}
.s-sec .sec-h b{font-size:12.5px}
.s-sec .g{padding:11px 14px;font-size:12.5px;line-height:1.75}
.s-fabs{margin-top:auto;display:flex;align-items:flex-end;justify-content:center;gap:12px;padding:10px 12px 26px;background:linear-gradient(180deg,rgba(250,250,250,0),rgba(250,250,250,.9) 40%)}
.fab-side{display:inline-flex;align-items:center;gap:6px;border:1px solid rgba(255,255,255,.9);background:linear-gradient(180deg,rgba(255,255,255,.9),rgba(255,255,255,.66));border-radius:999px;padding:9px 13px;font-size:11.5px;font-weight:700;color:var(--a-ink);box-shadow:0 12px 34px rgba(27,42,74,.09);margin-bottom:12px}
.fab-side svg{width:13px;height:13px;stroke:var(--navy);fill:none;stroke-width:2;stroke-linecap:round}
.fab-talk{width:82px;height:82px;border-radius:50%;background:var(--navy);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:#fff;box-shadow:0 14px 34px rgba(11,13,18,.32)}
.fab-talk canvas{width:34px;height:34px}
.fab-talk span{font-size:9.5px;font-weight:700;letter-spacing:.1em}
.t-top{margin:50px 18px 0;display:flex;align-items:center;justify-content:space-between}
.t-top b{font-size:12px;color:var(--navy);letter-spacing:.1em}
.t-top i{width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,.8);border:1px solid var(--a-line);position:relative}
.t-top i:before,.t-top i:after{content:"";position:absolute;left:50%;top:50%;width:11px;height:1.6px;background:var(--a-sub);transform:translate(-50%,-50%) rotate(45deg)}
.t-top i:after{transform:translate(-50%,-50%) rotate(-45deg)}
.t-orb{display:flex;justify-content:center;padding:26px 0 12px}
.t-orb canvas{width:120px;height:120px}
.t-log{padding:0 16px;display:grid;gap:9px;font-size:12.5px;line-height:1.75}
.t-log p{border-radius:16px;padding:8px 12px;max-width:88%}
.t-log .me{justify-self:end;background:rgba(255,255,255,.88);border:1px solid rgba(255,255,255,.9);box-shadow:0 4px 14px rgba(27,42,74,.05);border-bottom-right-radius:5px}
.t-log .na{justify-self:start;color:var(--navy);background:rgba(230,240,248,.9);border-bottom-left-radius:5px}
.t-ptt{margin-top:auto;display:flex;flex-direction:column;align-items:center;gap:10px;padding:10px 0 34px}
.ptt{position:relative;width:108px;height:108px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:700;letter-spacing:.06em;box-shadow:0 16px 36px rgba(11,13,18,.28)}
.ptt:before{content:"";position:absolute;inset:-9px;border-radius:50%;border:1.5px solid rgba(27,42,74,.14)}

/* natane に聞く（先生の画面のパネル） */
.napanel{width:460px;border-radius:24px;overflow:hidden;background:#fff;box-shadow:var(--sh2),0 0 0 1px rgba(27,42,74,.05)}
.nahead{display:flex;align-items:center;gap:10px;padding:14px 18px;border-bottom:1px solid var(--a-line)}
.nahead canvas{width:26px;height:26px}
.nahead b{font-size:13px;color:var(--navy);letter-spacing:.08em}
.nahead span{font-size:11px;color:var(--a-meta);margin-left:auto}
.na-body{padding:18px;display:grid;gap:14px;background:linear-gradient(180deg,#FBFCFD,#F6F8FB)}
.q-t{justify-self:end;max-width:82%;background:var(--navy);color:#fff;border-radius:18px 18px 5px 18px;padding:9px 15px;font-size:13px;line-height:1.75;font-weight:700;letter-spacing:.04em}
.q-n{display:flex;gap:10px;align-items:flex-start;max-width:94%}
.q-n canvas{width:24px;height:24px;margin-top:4px}
.q-n p{position:relative;background:#fff;border:1px solid var(--a-line);border-radius:5px 18px 18px 18px;padding:10px 14px;font-size:13px;line-height:1.85;color:var(--a-ink)}
.cite{display:inline-block;font-size:11px;font-weight:700;color:var(--blue);background:var(--pale-l);border-radius:6px;padding:0 7px;margin-right:2px;letter-spacing:.04em}
.q-n p.none{color:var(--a-sub)}
.sug{background:linear-gradient(transparent 62%,rgba(156,203,234,.45) 62%)}
.naq{display:flex;gap:6px;flex-wrap:wrap;padding:0 18px 12px;background:#F6F8FB}
.naq span{padding:5px 12px;border-radius:999px;border:1px solid var(--a-line);background:rgba(255,255,255,.8);font-size:11px;color:var(--a-sub)}
.na-in{display:flex;align-items:center;gap:10px;padding:0 18px 18px;background:#F6F8FB}
.na-in div{flex:1;background:#fff;border:1px solid var(--a-line);border-radius:999px;padding:8px 16px;font-size:12px;color:var(--a-meta)}
.na-in i{width:34px;height:34px;border-radius:50%;background:var(--navy);display:grid;place-items:center}
.na-in svg{width:12px;height:12px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.mk{position:absolute;z-index:3;font-style:normal;width:22px;height:22px;border-radius:50%;background:var(--blue);color:#fff;font-family:var(--en);font-weight:600;font-size:12px;line-height:22px;text-align:center;letter-spacing:0;box-shadow:0 0 0 3px #fff,0 4px 12px rgba(0,113,185,.3)}


/* ═══════════════════════════════════════════════════════════════
   natane AI（12回目）トップ
   ・最初の画面は、穂坂町の写真（ヒーロー D）
   ・区画の名前は、パソコンでは左に縦書きで置き、読んでいるあいだ残す（越前信用金庫の採用サイトの作法）
   ・説明の中心は図と表。鉛筆の点線（natane.co の右の鉛筆）を、図の線にも使う
   ═══════════════════════════════════════════════════════════════ */

/* ═════════ 最初の画面（穂坂町の写真） ═════════ */
:root{--ixo:clamp(46px,6.4vh,62px)}  /* 下の3枚のカードが、写真に重なる高さ */
.hero{position:relative;isolation:isolate;min-height:max(620px,100svh);display:flex;flex-direction:column;overflow:hidden;background:#1B2A4A;color:#fff}
.hero-ph{position:absolute;inset:0;z-index:-2;margin:0}
.hero-ph img{width:100%;height:100%;object-fit:cover;object-position:50% 58%;transform-origin:50% 40%;will-change:transform}
.hero-shade{position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:linear-gradient(180deg,rgba(10,28,62,.36) 0%,rgba(10,28,62,0) 22%),
    radial-gradient(50% 58% at 66% 40%,rgba(10,28,62,.42) 0%,rgba(10,28,62,.2) 56%,rgba(10,28,62,0) 100%),linear-gradient(270deg,rgba(10,28,62,.44) 0%,rgba(10,28,62,.2) 36%,rgba(10,28,62,0) 62%),
    linear-gradient(0deg,rgba(10,28,62,.7) 0%,rgba(10,28,62,.34) 22%,rgba(10,28,62,0) 38%)}
.hero-in{flex:1;width:100%;display:flex;flex-direction:column;justify-content:space-between;gap:40px;padding-top:clamp(132px,18vh,190px);padding-bottom:calc(var(--ixo) + clamp(22px,3.4vh,34px))}
/* 見出し：名前（natane AI）→ 何をするAIか（説明資料の表紙と同じ見出し）→ 生徒と先生の2行 */
.hero-t{align-self:flex-end;width:min(600px,44vw);color:#fff;text-shadow:0 1px 3px rgba(6,20,48,.25),0 2px 24px rgba(6,20,48,.42)}
.hero .wish{color:#fff;font-weight:700}
.wish span{display:block}
.wish .hk{margin-bottom:clamp(10px,1.8vh,18px)}
.wish .wm{font-family:var(--en);font-weight:400;font-size:clamp(20px,1.7vw,26px);letter-spacing:.12em;line-height:1;color:#fff;white-space:nowrap}
.wish .wm b{display:inline;font-family:var(--en);font-weight:500;font-size:.68em;letter-spacing:.1em;color:#E2F1FB;margin-left:.3em}
.wish .b{font-size:clamp(30px,min(3.4vw,6.4vh),50px);font-weight:900;line-height:1.38;letter-spacing:.04em}
.hero-sub{margin-top:clamp(16px,2.6vh,26px);padding-top:clamp(14px,2.2vh,20px);border-top:1px solid rgba(255,255,255,.5);display:grid;gap:4px}
.hero-sub p{font-size:clamp(15px,1.2vw,17.5px);font-weight:700;line-height:1.85;letter-spacing:.04em;color:#fff}
.hero-foot{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px 32px;text-shadow:0 1px 14px rgba(6,20,48,.35)}
.hstat{display:flex;flex-wrap:wrap;align-items:center;gap:4px 12px;font-size:13.5px;line-height:1.8;color:#fff}
.hstat a{color:#fff;font-weight:700;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.55)}
.hstat a:hover{border-bottom-color:#fff}
.loc{display:flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;color:rgba(255,255,255,.92)}
.loc svg{width:11px;height:15px;fill:none;stroke:#fff;stroke-width:1.4;stroke-linejoin:round;flex:none}
@media (max-width:760px){
  :root{--ixo:34px}
  .hero{min-height:max(560px,100svh)}
  .hero-ph img{object-position:60% 50%}
  .hero-shade{background:linear-gradient(180deg,rgba(10,28,62,.44) 0%,rgba(10,28,62,.18) 34%,rgba(10,28,62,0) 48%),linear-gradient(0deg,rgba(10,28,62,.7) 0%,rgba(10,28,62,.3) 24%,rgba(10,28,62,0) 40%)}
  .hero-in{padding-top:104px;padding-bottom:calc(var(--ixo) + 22px)}
  .hero-t{align-self:flex-start;width:auto}
  .wish .wm{font-size:20px}
  .wish .b{font-size:clamp(27px,7.6vw,33px);line-height:1.38}
  .hero-sub p{font-size:14.5px;line-height:1.8}
  .hero-foot{flex-direction:column;align-items:flex-start;gap:10px}
  .hstat{font-size:12.5px}
  .loc{font-size:12px}
}

/* このページの主な中身：写真の下の端に重ねた、3枚の白いカード（Goodpatch の数字のカードと同じ作り） */
.index{position:relative;z-index:3;margin-top:calc(-1 * var(--ixo));margin-bottom:clamp(28px,4vw,48px)}
.index-in{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(12px,1.4vw,20px)}
.index a{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:2px 16px;padding:clamp(18px,2.6vh,26px) clamp(20px,2vw,28px);border-radius:18px;background:var(--paper);
  box-shadow:0 1px 2px rgba(27,42,74,.06),0 18px 40px rgba(27,42,74,.16);text-decoration:none;color:inherit;transition:transform .3s var(--ease),box-shadow .3s}
.index a:hover{transform:translateY(-3px);box-shadow:0 1px 2px rgba(27,42,74,.06),0 24px 48px rgba(27,42,74,.2)}
.index .iw{grid-column:1;font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--sub);line-height:1.6}
.index .ig{grid-column:1;font-size:clamp(15px,1.25vw,17px);font-weight:700;color:var(--navy);letter-spacing:.05em;line-height:1.6;transition:color .25s}
.index .arw{grid-column:2;grid-row:1/3}
.index a:hover .ig{color:var(--blue)}
@media (prefers-reduced-motion:reduce){.index a,.index a:hover{transition:none;transform:none}}
/* 狭い画面では、1枚のカードに3行で入れる */
@media (max-width:900px){
  .index-in{grid-template-columns:minmax(0,1fr);gap:0;padding:2px 20px;border-radius:18px;background:var(--paper);box-shadow:0 1px 2px rgba(27,42,74,.06),0 18px 40px rgba(27,42,74,.16)}
  .index a,.index a:hover{padding:14px 0 15px;border-radius:0;background:none;box-shadow:none;transform:none}
  .index a+a{border-top:1px solid var(--line)}
}

/* ═════════ 願い（最初の画面のすぐ後ろ）：縦書き。紙のような粒の手ざわりの面に置き、最後にオーブを印のように添える ═════════ */
.vow{position:relative;isolation:isolate;padding-block:clamp(40px,6vw,88px) clamp(72px,10vw,136px)}
.vow:before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.3;mix-blend-mode:multiply;background-size:140px 140px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E")}
.vow-in{display:flex;justify-content:center;align-items:flex-end;gap:clamp(20px,3vw,48px)}
.vow-t{writing-mode:vertical-rl;text-orientation:mixed;font-feature-settings:"vpal" 1;margin:0;font-weight:700;color:var(--navy);word-break:keep-all;text-wrap:wrap}
.vow-t span{display:block}
.vow-t .vs{font-size:clamp(14px,min(1.25vw,2.3vh),18px);line-height:2.1;letter-spacing:.2em;color:var(--sub)}
.vow-t .vl{font-size:clamp(22px,min(2.35vw,4.1vh),36px);font-weight:900;line-height:1.85;letter-spacing:.16em;color:var(--navy)}
.vow-t .v1{margin-block-start:clamp(18px,2.4vw,36px)}
.vow-t .v3{margin-block-start:clamp(10px,1.2vw,18px)}
.vow-t .v2,.vow-t .v4{padding-inline-start:2em}
/* 点線の縦線と、オーブの印 */
.vow-seal{order:-1;position:relative;display:flex;flex-direction:column;align-items:center;gap:14px;padding-bottom:4px}
.vow-seal:before{content:"";width:2.4px;height:clamp(80px,12vw,160px);background:repeating-linear-gradient(180deg,var(--sky) 0 2.4px,transparent 2.4px 9px)}
.vow-seal canvas{width:clamp(44px,4vw,64px);height:clamp(44px,4vw,64px)}
@media (max-width:560px){
  .vow-t .vs{font-size:14px;line-height:2}
  .vow-t .vl{font-size:clamp(20px,5.6vw,23px);line-height:1.8;letter-spacing:.12em}
  .vow-t .v2,.vow-t .v4{padding-inline-start:1.5em}
  .vow-seal:before{height:64px}
}

/* ═════════ natane の答えと、しくみの絵（空の帯） ═════════
   生徒の画面 → natane → 先生の画面 → 生徒、の流れを1枚で見せる。
   絵の大きさは script の layoutHow が決める。ラベルの文字は 12.5px より小さくしない。
   どの要素も、はじめから見えている。画面に入ると、流れの順に光るだけ。 */
.how{position:relative;isolation:isolate;color:#fff;padding-block:clamp(84px,9vw,132px) clamp(64px,7vw,104px);
  background:linear-gradient(180deg,var(--paper) 0 50%,var(--ground) 50% 100%);
  --hw:min(calc(100vw - 2 * var(--gut)),max(calc(var(--wrap) - 2 * var(--gut)),calc(100vw - 560px)),1360px)}
.how .sky{position:absolute;inset:0;z-index:-1;overflow:hidden;border-radius:50% / clamp(24px,4vw,60px);
  background:
    radial-gradient(40% 44% at 36% 64%,rgba(255,255,255,.16) 0%,rgba(255,255,255,0) 70%),
    radial-gradient(64% 22% at 50% 104%,rgba(255,222,206,.5) 0%,rgba(255,222,206,0) 72%),
    linear-gradient(180deg,#1A3466 0%,#1D4C8E 18%,#2560A3 36%,#3B87C8 58%,#7FB5E0 80%,#DCD4D6 100%)}
.how .sky:before,.close:before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.13;mix-blend-mode:soft-light;background-size:140px 140px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E")}
.how .sky:after{content:"";position:absolute;left:0;right:0;bottom:0;height:20%;background:linear-gradient(180deg,rgba(255,236,226,0),rgba(255,236,226,.4));pointer-events:none}
.how .h-top,.how .h-cap,.how .h-st{width:var(--hw);margin-inline:auto;position:relative;z-index:3}
.how .h-top{text-align:center;display:flex;flex-direction:column;align-items:center}
.how .answer{font-size:clamp(20px,min(2.1vw,4vh),30px);line-height:1.75;font-weight:700;color:#fff;letter-spacing:.05em;text-wrap:wrap;text-shadow:0 1px 14px rgba(8,30,70,.22)}
.how .keyline{margin-top:clamp(10px,1.6vh,16px);padding-top:clamp(10px,1.6vh,16px);border-top:1px solid rgba(255,255,255,.4);font-size:clamp(14px,1.1vw,15.5px);font-weight:700;letter-spacing:.08em;color:#fff}
.stage{position:relative;z-index:2;width:var(--hw);margin-inline:auto;margin-top:clamp(14px,2.4vh,30px)}
.hcv{position:absolute;left:0;top:0;width:1240px;height:500px;transform-origin:0 0;--W:1240;--cx2:418px;--xm:400px;--cf:1}
.hcv .sl{position:absolute}
.hcv .sz{transform-origin:0 0}
.hcv .floor{position:absolute;left:2%;right:2%;top:372px;height:60px;border-radius:50%;background:radial-gradient(closest-side,rgba(10,26,58,.24),rgba(10,26,58,0));filter:blur(6px)}
.s-ph{left:0;top:0;width:198px;height:418px;z-index:4}
.s-ph .sz{transform:scale(.66)}
.s-mac{left:calc(var(--W) * 1px - 642px);top:1px;width:608px;height:417px;z-index:3}
.s-mac .sz{width:760px;transform:scale(.8)}
.s-mac .disp{height:480px}
.s-mac .win{height:calc(100% - 42px)}
.s-mac .desk{height:calc(100% - 30px)}
.s-orb{left:calc(var(--cx2) - 90px);top:120px;width:180px;height:180px;z-index:2}
.s-orb canvas{position:absolute;inset:0;width:100%!important;height:100%!important}
.o-glow{position:absolute;inset:-36%;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.5) 0%,rgba(255,255,255,.16) 36%,rgba(255,255,255,0) 68%);transition:transform .8s var(--ease)}
.o-ring{position:absolute;inset:-12px;border-radius:50%;border:1.4px dashed rgba(255,255,255,.55)}
.paths{position:absolute;left:0;top:0;width:calc(var(--W) * 1px);height:100%;overflow:visible;pointer-events:none;z-index:5}
.paths.m{display:none}
.paths .road{fill:none;stroke:rgba(255,255,255,.13);stroke-width:30;stroke-linecap:round;stroke-linejoin:round}
.paths .ln{fill:none;stroke:#fff;stroke-width:2.2;stroke-dasharray:2.4 7;stroke-linecap:round;opacity:.95}
.paths .hd2{fill:none;stroke:#fff;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.paths .pt{fill:#fff;opacity:0}
.paths .halo{fill:rgba(255,255,255,.35);opacity:0}
.flow{list-style:none;font-size:calc(14px * var(--cf,1))}
.flow li{position:absolute;z-index:7;display:flex;align-items:center;width:max-content;gap:.72em;padding:.62em 1.3em .62em .62em;border-radius:1.3em;
  background:var(--pearl);box-shadow:0 10px 26px rgba(10,30,70,.2),inset 0 1px 0 #fff,inset 0 -5px 12px rgba(27,42,74,.07),inset 0 0 0 1px rgba(255,255,255,.7);
  color:var(--sub);letter-spacing:.05em;line-height:1.45;transition:box-shadow .4s var(--ease)}
.flow li .n{flex:none;width:2em;height:2em;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:#fff;font-family:var(--en);font-weight:500;font-size:1em;letter-spacing:0;transition:background .4s var(--ease)}
.flow li .tx{display:flex;flex-direction:column;white-space:nowrap}
.flow li .tx b{font-size:1.07em;color:var(--navy);letter-spacing:.1em;line-height:1.45}
.flow li .tx b.en{font-family:var(--en);font-weight:500;letter-spacing:.12em}
.flow .f1{left:0;top:432px}
.flow .f2{left:var(--cx2);top:432px;transform:translateX(-50%)}
.flow .f3{left:calc(var(--W) * 1px - 338px);top:432px;transform:translateX(-50%)}
.flow .f4{left:var(--xm);top:30px;transform:translate(-50%,-50%);border-radius:999px;padding-right:1.4em}
.hcv[data-step="1"] .f1,.hcv[data-step="2"] .f2,.hcv[data-step="3"] .f3,.hcv[data-step="4"] .f4{box-shadow:0 0 0 2px rgba(0,113,185,.85),0 12px 30px rgba(0,113,185,.28),inset 0 1px 0 #fff}
.hcv[data-step="1"] .f1 .n,.hcv[data-step="2"] .f2 .n,.hcv[data-step="3"] .f3 .n,.hcv[data-step="4"] .f4 .n{background:var(--blue)}
.hcv[data-step="2"] .o-glow{transform:scale(1.14)}
.s-mac .glow-card{transition:box-shadow .6s var(--ease)}
.hcv[data-step="3"] .s-mac .glow-card{box-shadow:0 0 0 2px rgba(0,113,185,.55),0 8px 24px rgba(0,113,185,.18)}
.nb,.nb4{display:none}
.h-cap{display:flex;justify-content:space-between;align-items:baseline;gap:6px 32px;flex-wrap:wrap;margin-top:clamp(10px,1.8vh,16px);font-size:12.5px;line-height:1.7;letter-spacing:.04em;color:var(--navy)}
.h-bd{display:flex;gap:9px;align-items:baseline;font-weight:700}
.h-bd i{flex:none;width:14px;height:0;border-top:1.6px solid var(--navy);transform:translateY(-.3em)}
.h-st{display:flex;gap:10px;align-items:baseline;margin-top:6px;font-size:12.5px;line-height:1.8;color:var(--navy);letter-spacing:.04em}
.h-st i{flex:none;width:6px;height:6px;border-radius:50%;background:var(--blue);transform:translateY(-1px)}
@media (min-width:700px) and (max-width:1023px){
  .flow li{width:auto;right:0;left:0!important;transform:none!important;padding:0;gap:.8em;background:none;box-shadow:none!important;border-radius:0;color:var(--navy)}
  .flow li .tx{flex-direction:row;column-gap:.6em}
  .flow li .tx span{color:var(--sub)}
  .flow .f1{top:436px}.flow .f2{top:calc(436px + 44px * var(--cf))}.flow .f3{top:calc(436px + 88px * var(--cf))}.flow .f4{top:calc(436px + 132px * var(--cf))}
  .nb4{position:absolute;z-index:8;left:var(--xm);top:30px;transform:translate(-50%,-50%);display:grid;place-items:center;width:calc(28px * var(--cf));height:calc(28px * var(--cf));border-radius:50%;background:var(--navy);color:#fff;font-style:normal;font-family:var(--en);font-weight:500;font-size:calc(14px * var(--cf));box-shadow:0 0 0 4px rgba(255,255,255,.85)}
  .hcv .floor{display:none}
}
@media (max-width:699px){
  .how{padding-top:72px}
  .how .h-top{text-align:left;align-items:flex-start}
  .how .answer br{display:none}
  .how .stage{margin-top:22px}
  .hcv{width:640px;height:1170px}
  .paths.d{display:none}
  .paths.m{display:block;width:640px;height:1170px}
  .paths .ln{stroke-width:2.6;stroke-dasharray:3 9}
  .paths .hd2{stroke-width:2.6}
  .s-ph{left:52px;top:20px;width:198px;height:418px}
  .s-orb{left:370px;top:116px;width:180px;height:180px}
  .s-mac{left:40px;top:520px;width:560px;height:384px}
  .s-mac .sz{transform:scale(.7368)}
  .hcv .floor{display:none}
  .nb{position:absolute;z-index:8;display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--navy);color:#fff;font-style:normal;font-family:var(--en);font-weight:500;font-size:22px;box-shadow:0 0 0 5px rgba(255,255,255,.85),0 8px 20px rgba(10,30,70,.25)}
  .flow{font-size:23px}
  .flow li{width:auto;transform:none!important;left:20px!important;right:20px;padding:0;gap:16px;background:none;box-shadow:none!important;border-radius:0}
  .flow li .tx{flex-direction:row;flex-wrap:wrap;column-gap:.6em;white-space:normal;line-height:1.5}
  .flow li .tx b{font-size:1em}
  .flow .f1{top:944px}.flow .f2{top:998px}.flow .f3{top:1052px}.flow .f4{top:1106px}
  .h-cap{justify-content:flex-start;margin-top:14px}
}


.tlap{--w:888;margin-top:clamp(18px,2.2vw,30px)}
.tlap .lid{margin:0 44px}
.tlap .base{margin:0}
.tlap .desk{min-height:420px;padding:14px 18px 24px}
.modes{display:inline-flex;gap:4px;background:var(--ground);border-radius:999px;padding:5px;box-shadow:inset 0 0 0 1px var(--line)}
.modes button{font:inherit;font-size:14px;font-weight:700;letter-spacing:.06em;color:var(--sub);background:transparent;border:0;padding:9px 20px;border-radius:999px;cursor:pointer;transition:background .3s,color .3s;white-space:nowrap}
.modes button:hover{color:var(--navy)}
.modes button[aria-selected="true"]{background:var(--navy);color:#fff}
.tch-bar .hint{font-size:12.5px;color:var(--muted)}
.tch-foot{width:100%;margin-top:clamp(18px,2.2vw,30px)}
.roles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px clamp(24px,4vw,56px)}
.role{padding-top:14px;border-top:1px solid var(--line2)}
.role .who2{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--sub)}
.role .who2 canvas{width:22px;height:22px}
.role .who2 .tchr{width:22px;height:22px;border-radius:50%;background:var(--pale-l);display:grid;place-items:center}
.role .who2 .tchr svg{width:12px;height:12px;stroke:var(--navy);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.role p.d{margin-top:8px;font-size:clamp(16px,1.35vw,19px);font-weight:700;line-height:1.7;color:var(--ink);letter-spacing:.04em;text-wrap:balance}
.role p.d small{display:block;font-size:14px;font-weight:500;color:var(--sub);margin-top:4px}

/* ═════════ natane に聞く ═════════ */
.ask{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:clamp(32px,5vw,88px);align-items:start}
.ask-notes{list-style:none;border-top:1px solid var(--line2)}
.ask-notes li{display:grid;grid-template-columns:30px minmax(0,1fr);gap:12px;padding:clamp(12px,2.2vh,18px) 0;border-bottom:1px solid var(--line2)}
.ask-notes .mk2{margin-top:3px}
.ask-notes b{display:block;font-size:clamp(15px,min(1.3vw,2.4vh),17px);line-height:1.7;letter-spacing:.04em}
.ask-notes span:not(.mk2){display:block;margin-top:2px;font-size:15px;line-height:1.8;color:var(--sub)}
.recard{margin-top:10px;max-width:360px;border-radius:16px;padding:10px 16px 9px}
.recard .d{display:flex;align-items:baseline;gap:10px}
.recard .d b{font-family:var(--en);font-weight:500;font-size:18px;color:var(--navy);letter-spacing:.02em;display:inline;margin:0}
.recard .d span{font-size:12px;color:var(--sub);font-weight:700;letter-spacing:.08em;display:inline!important;margin:0!important}
.recard blockquote{margin-top:2px;font-size:13px;line-height:1.75;color:var(--navy);font-weight:700;letter-spacing:.04em}
.recard .own{margin-top:2px;display:block}
.ask .note{margin-top:12px}
.napanel .mk.mk-i{position:relative;display:inline-block;vertical-align:-4px;margin:0 6px 0 2px;line-height:22px}
.ask-r .napanel{width:500px}
@media (max-width:1023px){.ask{grid-template-columns:minmax(0,1fr)}.ask-r{order:-1;max-width:500px;width:100%;justify-self:center}}


.keep{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.12fr);gap:clamp(32px,4.4vw,80px);align-items:start}
.keep-l{padding-top:clamp(8px,1.4vw,20px)}
.keep-p{margin-top:clamp(14px,2.6vh,24px);font-size:15px;line-height:1.95;color:var(--sub)}
.kp-now{margin-top:clamp(16px,2.6vh,24px);display:grid;gap:10px;padding:16px 18px;border-radius:14px;background:var(--ground);font-size:14.5px;line-height:1.85;color:var(--text)}
.kp-now p{display:grid;grid-template-columns:9.2em minmax(0,1fr);gap:4px 12px;align-items:baseline}
.kp-now .st{justify-self:start;margin:0}
@media (max-width:560px){.kp-now p{grid-template-columns:minmax(0,1fr)}}
.kp{background:var(--ground);border-radius:var(--r-card);padding:clamp(24px,4.4vh,44px) clamp(24px,3vw,44px)}
.kp-cap{margin-top:clamp(18px,2.4vw,26px);padding-top:12px;border-top:1px dashed var(--line2);font-size:13px;color:var(--muted);line-height:1.8}
.kp-row{position:relative;padding-left:clamp(44px,4.4vw,60px)}
.kp-row+.kp-row{margin-top:clamp(18px,3.6vh,34px)}
.kp-row:not(:last-child):before{content:"";position:absolute;left:clamp(13px,1.4vw,19px);top:40px;bottom:calc(-1 * clamp(18px,3.6vh,34px) + 6px);border-left:1.6px dotted var(--sky)}
.kp-ic{position:absolute;left:0;top:2px;width:clamp(28px,2.8vw,38px);height:clamp(28px,2.8vw,38px);border-radius:50%;display:grid;place-items:center;background:var(--paper);box-shadow:0 0 0 1.5px var(--pale)}
.kp-ic canvas{width:100%;height:100%}
.kp-ic svg{width:44%;height:44%;stroke:var(--navy);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.kp-k{font-size:12.5px;font-weight:700;letter-spacing:.12em;color:var(--sub)}
.kp-said{margin-top:4px;font-size:clamp(15px,min(1.35vw,2.5vh),19px);line-height:1.7;font-weight:700;color:var(--navy);letter-spacing:.04em}
.kp-big{margin-top:2px;font-size:clamp(20px,1.9vw,28px);line-height:1.45;font-weight:700;letter-spacing:.04em;color:var(--navy)}
.kp-big.x{color:#737D8A;text-decoration:line-through;text-decoration-color:var(--red);text-decoration-thickness:clamp(2px,.22vw,3px)}
.verdict{display:inline-block;margin-top:8px;font-size:12.5px;font-weight:700;letter-spacing:.06em;border-radius:999px;padding:2px 12px}
.verdict.ng{color:#B4294A;background:var(--red-l)}
.verdict.ok{color:#005F9E;background:var(--pale-l)}
.quality{margin-top:clamp(14px,2.4vh,20px);display:flex;gap:12px;align-items:baseline;font-size:14.5px;line-height:1.85;color:var(--sub);padding-top:12px;border-top:1px solid var(--line2)}
.quality b{font-size:14px;color:var(--ink);white-space:nowrap}
@media (max-width:900px){.keep{grid-template-columns:minmax(0,1fr)}}


.place{margin-top:clamp(18px,2.4vw,32px);display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:clamp(28px,4.4vw,80px);align-items:center}
/* 写真2枚を重ねる（家の写真に、縦の写真を少し重ねる） */
.pl-ph{position:relative;padding:0 15% 13% 0}
.pl-ph .p1{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card);box-shadow:0 24px 50px rgba(27,42,74,.16)}
.pl-ph .p2{position:absolute;right:0;bottom:0;width:31%;aspect-ratio:2/3;object-fit:cover;border-radius:16px;border:6px solid var(--paper);box-shadow:0 18px 36px rgba(27,42,74,.2)}
.place .t{display:flex;flex-direction:column;gap:12px}
.place .t b{color:var(--navy);font-size:clamp(19px,1.8vw,24px);letter-spacing:.08em;line-height:1.5}
.place .t p{font-size:15px;line-height:1.95;color:var(--text)}
.place .t a{align-self:flex-start;margin-top:6px;color:var(--navy);font-size:14px;font-weight:700;text-decoration:none;display:inline-flex;align-items:center;gap:10px;border-bottom:1px solid var(--sky);padding-bottom:2px}
.place .t a:hover{border-bottom-color:var(--navy)}

/* ═════════ つくっている人 ═════════ */
.prof{display:grid;grid-template-columns:auto minmax(0,1fr);gap:clamp(36px,6vw,104px);align-items:start}
@media (min-width:861px){.prof-r{padding-top:calc(13.5px * 1.6 + 34px)}}
.prof figure{display:flex;gap:12px;align-items:flex-start}
.prof figure img{width:clamp(220px,min(30vw,52vh),420px);aspect-ratio:1/1;object-fit:cover;border-radius:var(--r-card)}
.prof figcaption{writing-mode:vertical-rl;font-family:var(--en);font-weight:500;font-size:11px;letter-spacing:.34em;color:#7D8A99;line-height:1}
.pname{font-weight:700;color:var(--navy);font-size:clamp(25px,min(2.4vw,4.4vh),32px);letter-spacing:.22em;line-height:1.3}
.pname i{display:block;margin-top:10px;font-style:normal;font-family:var(--en);font-weight:500;font-size:12px;letter-spacing:.3em;color:var(--blue)}
.prole{margin-top:10px;font-size:13.5px;font-weight:700;color:var(--sub);letter-spacing:.12em}
.porig{margin-top:12px;font-size:15px;line-height:1.85;color:var(--text)}
.pdl{margin-top:clamp(16px,3vh,24px);border-top:1px dotted var(--pale)}
.pdl div{display:grid;grid-template-columns:7em minmax(0,1fr);gap:20px;padding:clamp(10px,1.8vh,14px) 0;border-bottom:1px dotted var(--pale)}
.pdl dt{font-size:13px;font-weight:700;color:#005F9E;letter-spacing:.14em;padding-top:2px}
.pdl dd{font-size:15px;line-height:1.85}
.pdl dd small{display:block;font-size:14px;color:var(--sub)}
.pnote{margin-top:clamp(14px,2.6vh,20px);font-size:15px;line-height:1.9;color:var(--sub)}
@media (max-width:860px){.prof{grid-template-columns:minmax(0,1fr)}.pdl div{grid-template-columns:minmax(0,1fr);gap:2px}.prof figure img{width:min(78vw,360px)}}

/* ═════════ 質問と答え ═════════ */
.qa{border-top:1px solid var(--line2)}
.qa details{border-bottom:1px solid var(--line2)}
.qa summary{list-style:none;display:grid;grid-template-columns:34px minmax(0,1fr) 22px;gap:18px;align-items:center;padding:clamp(16px,1.9vw,22px) 6px;cursor:pointer}
.qa summary::-webkit-details-marker{display:none}
.qa summary:hover .qt{color:var(--blue)}
.qa .qm{width:34px;height:34px;border-radius:50%;border:1.5px solid var(--pale);display:grid;place-items:center;font-family:var(--en);font-weight:600;font-size:14px;color:var(--blue);line-height:1}
.qa .qt{font-size:clamp(15px,1.2vw,16.5px);font-weight:700;color:var(--ink);line-height:1.7;letter-spacing:.04em;transition:color .25s}
.qa .pl{position:relative;width:20px;height:20px}
.qa .pl:before,.qa .pl:after{content:"";position:absolute;left:50%;top:50%;width:18px;height:1.6px;background:var(--ink);transform:translate(-50%,-50%)}
.qa .pl:after{transform:translate(-50%,-50%) rotate(90deg);transition:transform .3s var(--ease)}
.qa details[open] .pl:after{transform:translate(-50%,-50%) rotate(0)}
.qa .an{padding:0 46px clamp(20px,2.2vw,28px) 58px}
.qa .an p{font-size:15px;line-height:2;color:var(--text);max-width:46em}
.qa .lks{display:flex;flex-wrap:wrap;gap:6px 22px;margin-top:8px}
.qa-note{margin-top:14px}
@media (max-width:560px){.qa summary{grid-template-columns:30px minmax(0,1fr) 18px;gap:12px}.qa .qm{width:30px;height:30px;font-size:13px}.qa .an{padding:0 4px 20px 42px}}

/* ═════════ 結びと相談（natane.co の空の帯） ═════════ */
.close{position:relative;color:#fff;padding-block:clamp(104px,12vw,168px) clamp(116px,12.6vw,176px);border-radius:50% / clamp(24px,4vw,60px);overflow:hidden;isolation:isolate;
  background:linear-gradient(180deg,#34508A 0%,#1F6BAE 24%,#1D70B3 56%,#1E74B6 80%,#4F93CF 90%,#B9C9DC 96%,#F2D3C2 100%)}
.close .pre,.close h2,.mail .addr{text-shadow:0 1px 14px rgba(8,30,70,.2)}
.close .wrap{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:40px;align-items:end;z-index:1}
.close .pre{font-size:clamp(14.5px,1.25vw,17px);font-weight:700;line-height:2;letter-spacing:.08em;color:#fff}
.close h2{color:#fff;margin-top:clamp(14px,2vh,22px);font-size:clamp(23px,min(2.3vw,4.4vh),34px);line-height:1.6;letter-spacing:.06em;text-wrap:wrap}
.mail{margin-top:clamp(32px,6vh,64px);padding-top:clamp(20px,3.4vh,28px);border-top:1px solid rgba(255,255,255,.35);max-width:680px}
.mail .k{font-size:13.5px;font-weight:700;letter-spacing:.1em}
.mail .addr{display:block;margin-top:8px;font-family:var(--en);font-weight:400;font-size:clamp(24px,min(2.8vw,5vh),36px);letter-spacing:.04em;color:#fff;user-select:all;line-height:1.4;overflow-wrap:anywhere}
.mail .row{display:flex;flex-wrap:wrap;align-items:center;gap:12px 22px;margin-top:clamp(14px,2.6vh,22px)}
.copy{font:inherit;font-size:13px;font-weight:700;letter-spacing:.06em;border:0;background:none;color:#fff;cursor:pointer;padding:6px 0;border-bottom:1px solid rgba(255,255,255,.6)}
.mail .who{margin-top:clamp(14px,2.6vh,22px);font-size:13px;line-height:1.8}
.mail .who+.who{margin-top:2px}
.close .walker{width:clamp(150px,min(16vw,30vh),230px)}
@media (max-width:760px){.close .wrap{grid-template-columns:minmax(0,1fr)}.close .walker{width:130px;justify-self:end;margin-top:-16px}.close{border-radius:50% / 22px}}

/* ═════════ フッター（natane.co と同じ形：大きな一文、署名、リンク、流れる英字） ═════════ */
.ft{padding:clamp(56px,6vw,84px) 0 0;background:var(--ground)}
.ft .wrap{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:22px 40px}
.ft .big{font-weight:700;color:var(--blue);font-size:clamp(26px,4vw,50px);letter-spacing:.1em;line-height:1.35}
.ft .sig{display:flex;align-items:center;gap:14px}
.ft .sig canvas{width:56px;height:56px;flex:none}
.sig-t{display:flex;flex-direction:column;gap:7px;line-height:1}
.sig-wm{font-family:var(--en);font-weight:400;font-size:28px;letter-spacing:.125em;color:#233043;white-space:nowrap}
.sig-wm b{font-family:var(--en);font-weight:500;font-size:.62em;letter-spacing:.1em;color:var(--blue);margin-left:.3em}
.sig-tg{font-size:12px;color:#5F6875;letter-spacing:.04em}
.ft-nav{width:100%;display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:6px;font-size:13px;color:#4F5966;letter-spacing:.04em}
.ft-nav a{display:inline-block;padding:6px 0;text-decoration:none;transition:color .25s}
.ft-nav a:hover{color:var(--blue)}
.ft-meta{width:100%;display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 24px;padding:14px 0 16px;border-top:1px solid var(--line);font-size:12px;color:#5F6875;letter-spacing:.03em;line-height:1.8}
.ft-meta .cr{font-family:var(--en)}
.ft-marq{overflow:hidden;white-space:nowrap;border-top:1px solid var(--line)}
.ft-marq div{display:inline-block;font-family:var(--en);font-weight:700;font-size:clamp(60px,10.5vw,148px);line-height:1.15;letter-spacing:.02em;
  background:linear-gradient(96deg,#C7D8F2 0%,#D1D9F1 40%,#F1D1D1 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;
  animation:tick 64s linear infinite;will-change:transform}
@keyframes tick{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (max-width:640px){.sig-wm{font-size:24px}}


/* 作例の端末：機種を決めない（切り欠きと、窓の左上の色を外す。メニューバーは build.py で外している） */
.mbp .notch{display:none}
.wtb .tl i,.wtb .tl i:nth-child(2),.wtb .tl i:nth-child(3){background:#D3D7DD;box-shadow:none}
.s-mac .win{height:calc(100% - 21px)}

/* ═════════ 生徒の画面 ═════════ */

/* 図のカード（区画の地が灰なら白、白なら灰） */
.fig-c{margin:clamp(36px,5vh,56px) 0 0;padding:clamp(24px,3vw,40px) clamp(22px,3.2vw,48px) clamp(20px,2.6vw,30px);border-radius:var(--r-card);background:var(--paper)}
.pap .fig-c{background:var(--ground)}
.src{margin-top:clamp(18px,2.4vw,26px);padding-top:12px;border-top:1px dashed var(--line2);font-size:12px;line-height:1.8;color:var(--muted);letter-spacing:.02em}

/* 探究の進め方の輪と、いちばんつまずくステップ */
.cyc{display:grid;grid-template-columns:minmax(0,400px) minmax(0,1fr);gap:clamp(28px,4vw,72px);align-items:center;margin-top:8px}
.cyc-d{position:relative;width:100%;max-width:400px;aspect-ratio:1;justify-self:center}
.cyc-d svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.cy-arc{fill:none;stroke:var(--sky);stroke-width:2.4;stroke-dasharray:.1 9;stroke-linecap:round}
.cy-hd{fill:none;stroke:var(--sky);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.cy-c{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);text-align:center;font-size:clamp(13px,1.05vw,14.5px);font-weight:700;color:var(--sub);letter-spacing:.08em;line-height:1.7;white-space:nowrap}
.cy-n{position:absolute;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:2px;padding:9px 18px;border-radius:999px;background:var(--paper);box-shadow:0 0 0 1.5px var(--pale),0 6px 16px rgba(27,42,74,.06);white-space:nowrap;text-align:center;line-height:1.35}
.pap .cy-n{background:var(--paper)}
.cy-n b{font-size:clamp(14px,1.15vw,16px);color:var(--navy);letter-spacing:.08em}
.cy-n small{font-size:11.5px;font-weight:700;color:rgba(255,255,255,.86);letter-spacing:.06em}
.cy-n.n1{left:50%;top:18%;background:var(--navy);box-shadow:0 0 0 5px rgba(27,42,74,.1),0 10px 24px rgba(27,42,74,.22);padding:11px 22px 10px}
.cy-n.n1 b{color:#fff;font-size:clamp(15px,1.3vw,18px)}
.cy-n.n2{left:82%;top:50%}
.cy-n.n3{left:50%;top:82%}
.cy-n.n4{left:18%;top:50%}
.cy-cap{position:absolute;left:50%;bottom:-6px;transform:translateX(-50%);font-size:12.5px;font-weight:700;color:var(--muted);letter-spacing:.06em;white-space:nowrap}
.cyc-t .big{font-family:var(--en);font-weight:500;font-size:clamp(64px,7vw,104px);line-height:.9;letter-spacing:-.01em;color:var(--navy)}
.cyc-t .big small{font-size:.38em;margin-left:.04em}
.cyc-t .bl{margin-top:14px;font-size:clamp(15px,1.3vw,17px);font-weight:700;line-height:1.75;color:var(--ink);letter-spacing:.04em}
.cyc-t .bl small{display:block;margin-top:2px;font-size:13px;font-weight:500;color:var(--sub)}
.voices{margin-top:clamp(20px,3vh,30px)}
.voices .vk{font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--sub)}
.voices ul{list-style:none;margin-top:10px;display:flex;flex-wrap:wrap;gap:10px}
.voices li{position:relative;padding:9px 16px;border-radius:16px 16px 16px 4px;background:var(--pale-l);font-size:14.5px;font-weight:700;line-height:1.6;color:var(--navy);letter-spacing:.03em}
.pap .voices li{background:var(--paper)}
@media (max-width:900px){
  .cyc{grid-template-columns:minmax(0,1fr)}
  .cyc-d{max-width:340px}
}
@media (max-width:480px){
  .cy-n{padding:7px 12px}
  .cy-n.n1{padding:9px 14px 8px}
  .cy-n b{font-size:13px}
  .cy-n.n1 b{font-size:14.5px}
  .cy-c{font-size:12px;white-space:normal;word-break:keep-all;width:4.6em;line-height:1.6}
}

/* 生徒の画面の作例と、部品の説明 */
.stu{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:clamp(28px,4vw,64px);align-items:center;margin-top:clamp(56px,7vw,96px)}
.stu-l .h3m{margin-bottom:clamp(16px,2.4vh,24px)}
.parts{display:grid;grid-template-columns:minmax(0,1fr);border-top:1px solid var(--line2)}
.parts div{display:grid;grid-template-columns:minmax(0,1fr);gap:2px;padding:clamp(10px,1.6vh,14px) 0;border-bottom:1px solid var(--line2)}
.parts dt{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700;color:var(--navy);letter-spacing:.05em;line-height:1.6}
.parts dd{padding-left:32px;font-size:14.5px;line-height:1.8;color:var(--sub);text-wrap:pretty}
.stu .cap{margin-top:clamp(14px,2vw,20px)}
.duo{width:624px;height:674px}
.duo .phone{position:absolute}
.duo .pa{left:0;top:0;z-index:2}
.duo .pb{left:324px;top:40px;z-index:1}
@media (max-width:1023px){
  .stu{display:flex;flex-direction:column;align-items:stretch;gap:clamp(28px,6vw,40px)}
  .stu-r{order:-1;max-width:624px;margin:0 auto;width:100%}
}


/* 5つのステップ：手描きの人と、点線の道 */
.steps-h{display:flex;align-items:baseline;justify-content:space-between;gap:10px 32px;flex-wrap:wrap}
.steps-h p{font-size:14.5px;color:var(--sub)}
.road5{list-style:none;position:relative;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));margin-top:clamp(20px,3vh,32px);--ih:clamp(118px,11vw,156px)}
.road5:before{content:"";position:absolute;left:0;right:0;top:calc(var(--ih) + 22px);height:14px;margin-top:-7px;border-radius:999px;background:linear-gradient(90deg,rgba(156,203,234,0),rgba(156,203,234,.32) 8%,rgba(156,203,234,.32) 92%,rgba(156,203,234,0))}
.road5:after{content:"";position:absolute;left:2%;right:2%;top:calc(var(--ih) + 22px);height:2.4px;margin-top:-1.2px;background:repeating-linear-gradient(90deg,var(--sky) 0 2.4px,transparent 2.4px 10px)}
.road5 li{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;text-align:center;padding:0 clamp(4px,.8vw,12px)}
.road5 img{height:var(--ih);width:auto;max-width:100%;object-fit:contain;object-position:50% 100%}
.road5 .sn{position:relative;z-index:2;margin-top:4px;display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--paper);box-shadow:inset 0 0 0 1.5px var(--sky);font-family:var(--en);font-weight:500;font-size:15px;color:var(--navy);line-height:1}
.road5 h4{margin-top:12px;font-size:clamp(17px,1.45vw,20px);letter-spacing:.16em}
.road5 p{margin-top:4px;font-size:14.5px;line-height:1.75;color:var(--sub)}
@media (max-width:860px){
  .road5{grid-template-columns:minmax(0,1fr);--ih:96px}
  .road5:before{display:none}
  .road5:after{left:17px;right:auto;top:20px;bottom:20px;width:2.4px;height:auto;margin:0;background:repeating-linear-gradient(180deg,var(--sky) 0 2.4px,transparent 2.4px 10px)}
  .road5 li{display:grid;grid-template-columns:36px minmax(0,1fr) 104px;column-gap:16px;align-items:center;text-align:left;padding:10px 0}
  .road5 .sn{grid-column:1;grid-row:1/3;margin:0}
  .road5 h4{grid-column:2;margin-top:0;align-self:end}
  .road5 p{grid-column:2;margin-top:0;align-self:start}
  .road5 img{grid-column:3;grid-row:1/3;height:var(--ih);justify-self:center}
}

/* ═════════ 紹介映像の帯（作っている人の後、質問と答えの前） ═════════
   画面の幅いっぱいに映像を流し、左に natane の約束を重ねる。再生の操作は、約束のすぐ下に置く。
   スマホでは、映像（16:9）の下に文字を置く。 */
.film{position:relative;isolation:isolate;display:flex;min-height:clamp(460px,74vh,720px);background:#0E1A33;color:#fff;overflow:hidden}
.film-v{position:absolute;inset:0;z-index:-2;margin:0;background:#1B2A4A}
.film-v video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.film-shade{position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:linear-gradient(90deg,rgba(9,20,42,.88) 0%,rgba(9,20,42,.74) 34%,rgba(9,20,42,.36) 56%,rgba(9,20,42,0) 78%),
    linear-gradient(0deg,rgba(9,20,42,.62) 0%,rgba(9,20,42,0) 30%),
    linear-gradient(180deg,rgba(9,20,42,.4) 0%,rgba(9,20,42,0) 22%)}
.film-in{width:100%;display:flex;flex-direction:column;justify-content:space-between;gap:40px;padding-top:clamp(84px,12vh,132px);padding-bottom:clamp(24px,3.6vh,36px)}
.film-k{font-size:13px;font-weight:700;letter-spacing:.12em;color:#C4E3F7;line-height:1.7}
.film-k small{display:block;font-size:12.5px;font-weight:500;letter-spacing:.06em;color:rgba(255,255,255,.78)}
.film-h{margin-top:clamp(12px,2vh,18px);color:#fff;font-weight:900;font-size:clamp(32px,3.5vw,48px);line-height:1.32;letter-spacing:.06em;text-shadow:0 2px 24px rgba(4,12,30,.35)}
.film-p{margin-top:clamp(14px,2.4vh,22px);font-size:clamp(16px,1.4vw,19px);font-weight:700;letter-spacing:.06em;line-height:1.8;color:rgba(255,255,255,.94);max-width:22em}
.film-cap{font-size:12.5px;color:rgba(255,255,255,.82);letter-spacing:.04em}
.film-t{display:flex;flex-direction:column;align-items:flex-start}
.film-btn{margin-top:clamp(22px,3.4vh,32px);display:inline-flex;align-items:center;gap:12px;font:inherit;font-size:14.5px;font-weight:700;letter-spacing:.06em;line-height:1.4;color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.6);border-radius:999px;padding:10px 22px 10px 10px;cursor:pointer;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);transition:background .25s}
.film-btn:hover{background:rgba(255,255,255,.22)}
.film-btn i{position:relative;width:34px;height:34px;border-radius:50%;background:#fff;flex:none}
.film-btn i:before{content:"";position:absolute;left:13.5px;top:11px;border-style:solid;border-width:6px 0 6px 9.5px;border-color:transparent transparent transparent var(--navy)}
.film-btn[data-state="playing"] i:before{left:12.5px;top:11.5px;width:3px;height:11px;border:0;background:var(--navy);box-shadow:6px 0 0 var(--navy)}
@media (max-width:760px){
  .film{display:block;min-height:0;background:var(--navy)}
  .film-v{position:relative;inset:auto;aspect-ratio:16/9;z-index:0}
  .film-shade{display:none}
  .film-in{padding-top:28px;padding-bottom:30px;gap:24px}
  .film-h{font-size:30px}
}

/* ═════════ 先生の画面 ═════════ */

/* 現場では：時間・人数・課題を、カードにせず大きな数字で並べる（Goodpatch の数字の並べ方） */
.fig-stats{margin:clamp(40px,5.4vh,64px) 0 0;padding-top:clamp(18px,2.6vh,26px);border-top:1.5px solid var(--navy)}
.sta-top{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 24px}
.sta-top .h3m{flex:1 1 20em}
.sta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:clamp(18px,2.6vh,28px)}
.sta-i{padding:4px clamp(18px,2.2vw,36px) 4px;display:flex;flex-direction:column;gap:10px}
.sta-i:first-child{padding-left:0}
.sta-i:last-child{padding-right:0}
.sta-i+.sta-i{border-left:1px solid var(--line2)}
.sk{font-size:13.5px;font-weight:700;letter-spacing:.08em;color:var(--sub);line-height:1.6}
.per{margin-bottom:-6px;font-size:14px;font-weight:700;letter-spacing:.1em;color:var(--navy);line-height:1.4}
.sn2{font-family:var(--en);font-weight:500;font-size:clamp(46px,4.6vw,68px);line-height:1;letter-spacing:-.01em;color:var(--navy);white-space:nowrap}
.sn2 span{font-family:var(--jp);font-weight:700;font-size:.32em;letter-spacing:.02em;margin:0 .2em 0 .08em}
.sc{font-size:13px;line-height:1.7;color:var(--muted)}
/* 1日24時間のうち、在校等時間 */
.day{display:grid;gap:6px;margin-top:6px}
.day-bar{position:relative;display:block;height:14px;border-radius:999px;background:repeating-linear-gradient(90deg,var(--ground) 0 calc(25% - 1px),var(--line2) calc(25% - 1px) 25%)}
.day-bar i{position:absolute;left:0;top:0;bottom:0;border-radius:999px;background:linear-gradient(90deg,var(--navy),var(--blue))}
.day-ax{display:flex;justify-content:space-between;font-family:var(--jp);font-size:11.5px;color:var(--muted);letter-spacing:.02em}
/* 40人の点 */
.sta .dots{width:min(100%,220px);margin-top:4px}
.dots circle{fill:#9CCBEA}
.dots circle.me{fill:var(--red)}
/* 課題の上位3つ */
.bars{list-style:none;display:grid;gap:12px;margin-top:4px}
.bars li{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-rows:auto auto;column-gap:12px;row-gap:5px;align-items:end}
.bars .bl2{grid-column:1;font-size:13.5px;font-weight:700;color:var(--ink);letter-spacing:.03em;line-height:1.5}
.bars b{grid-column:2;grid-row:1/3;align-self:end;font-family:var(--en);font-weight:500;font-size:26px;color:var(--navy);letter-spacing:0;line-height:1}
.bars b small{font-size:.6em;margin-left:1px}
.bars .bt{grid-column:1;display:block;height:10px;border-radius:999px;background:var(--ground);overflow:hidden}
.bars .bt i{display:block;height:100%;border-radius:999px;background:var(--sky)}
.bars li:first-child .bt i{background:var(--navy)}
.fig-stats .src{border-top-style:solid}
@media (max-width:900px){
  .sta{grid-template-columns:minmax(0,1fr)}
  .sta-i,.sta-i:first-child,.sta-i:last-child{padding:20px 0 16px}
  .sta-i+.sta-i{border-left:0;border-top:1px solid var(--line2)}
}

/* 授業前・授業中・授業後：時間の線の上に、natane と先生がすることのカードを並べる。
   カードを押すと、下の作例が切り替わる（越前信用金庫の「ある日のスケジュール」の作法） */
.tch-top{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:6px 24px}
.tch-hint{display:flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;color:var(--blue);letter-spacing:.06em}
.tch-hint:before{content:"";flex:none;width:8px;height:8px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px rgba(0,113,185,.14)}
.tch{display:flex;flex-direction:column;align-items:center;margin-top:clamp(18px,2.6vh,26px)}
.tline{position:relative;align-self:stretch;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(12px,1.4vw,20px);padding-top:36px}
.tline:before{content:"";position:absolute;left:14px;right:14px;top:11px;height:2.4px;margin-top:-1.2px;background:repeating-linear-gradient(90deg,var(--sky) 0 2.4px,transparent 2.4px 10px)}
.tline button{position:relative;display:flex;flex-direction:column;gap:10px;font:inherit;text-align:left;color:inherit;letter-spacing:inherit;background:var(--ground);border:1.5px solid transparent;border-radius:18px;padding:16px 18px 18px;cursor:pointer;
  transition:background .3s var(--ease),border-color .3s,box-shadow .3s}
.tline button:hover{border-color:var(--sky)}
.tline button[aria-selected="true"]{background:var(--paper);border-color:var(--navy);box-shadow:0 16px 34px rgba(27,42,74,.12)}
.tline i{position:absolute;left:4px;top:-36px;width:24px;height:24px;border-radius:50%;background:var(--paper);box-shadow:inset 0 0 0 2px var(--sky);transition:background .3s,box-shadow .3s}
.tline button[aria-selected="true"] i{background:var(--navy);box-shadow:0 0 0 5px rgba(27,42,74,.12)}
.tc-h{display:flex;align-items:center;justify-content:space-between;gap:10px}
.tc-h b{font-size:clamp(17px,1.4vw,19px);letter-spacing:.14em;color:var(--navy);line-height:1.4}
.tc-go{flex:none;font-size:12px;font-weight:700;letter-spacing:.06em;line-height:1.5;color:var(--blue);padding:3px 11px;border-radius:999px;box-shadow:inset 0 0 0 1px var(--sky);background:var(--paper)}
.tc-go:before{content:"画面を見る"}
.tline button[aria-selected="true"] .tc-go{background:var(--navy);color:#fff;box-shadow:none}
.tline button[aria-selected="true"] .tc-go:before{content:"表示中"}
.tc-b{display:grid;gap:8px}
.tc-r{display:grid;gap:1px}
.tc-w{display:flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;color:var(--sub);letter-spacing:.04em;line-height:1.6;white-space:nowrap}
.tc-w canvas{width:16px;height:16px;flex:none}
.tc-w .tchr{width:16px;height:16px}
.tc-w .tchr svg{width:9px;height:9px}
.tc-x{display:block;font-size:14.5px;line-height:1.75;color:var(--text);letter-spacing:.03em;text-wrap:pretty}
.tchr{width:22px;height:22px;border-radius:50%;background:var(--pale-l);display:inline-grid;place-items:center;flex:none}
.tchr svg{width:12px;height:12px;stroke:var(--navy);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.tch .tlap{margin-top:clamp(20px,3vh,30px)}
.tch-note{align-self:flex-end;margin-top:12px}
@media (max-width:1023px){
  .tch .tlap{align-self:stretch}
}
/* 高さの低いパソコンの画面（1366×768 のノートなど）：カードを左に縦に並べ、作例を右に置く。
   作例を、カードと同じ1画面に大きめに入れるため */
@media (min-width:1024px) and (max-height:740px){
  .tch{--tside:1;display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-rows:auto auto;column-gap:clamp(24px,3vw,48px);align-items:center}
  .tline{grid-column:1;grid-row:1/3;grid-template-columns:minmax(0,1fr);gap:10px;padding-top:0;padding-left:34px}
  .tline:before{left:11px;right:auto;top:22px;bottom:22px;width:2.4px;height:auto;margin:0 0 0 -1.2px;background:repeating-linear-gradient(180deg,var(--sky) 0 2.4px,transparent 2.4px 10px)}
  .tline i{left:-34px;top:16px}
  .tline button{padding:12px 16px 14px;gap:8px}
  .tch .tlap{grid-column:2;grid-row:1;margin-top:0}
  .tch-note{grid-column:2;grid-row:2;justify-self:end;align-self:start}
}
/* スマホ：作例を先に置き、カードは縦の時間の線に並べる */
@media (max-width:760px){
  .tch-top{flex-direction:column;gap:4px}
  .tch .tlap{order:-2;margin-top:0}
  .tch-note{order:-1;align-self:flex-start;margin:8px 0 20px}
  .tline{grid-template-columns:minmax(0,1fr);gap:12px;padding-top:0;padding-left:34px}
  .tline:before{left:11px;right:auto;top:20px;bottom:20px;width:2.4px;height:auto;margin:0 0 0 -1.2px;background:repeating-linear-gradient(180deg,var(--sky) 0 2.4px,transparent 2.4px 10px)}
  .tline i{left:-34px;top:16px}
  .tline button{padding:14px 16px 16px}
}

.blk2{margin-top:clamp(48px,6vw,80px)}
.tbl-wrap{position:relative}
.st2{display:flex;gap:10px;align-items:baseline;margin-top:clamp(20px,3vh,28px);font-size:14.5px;line-height:1.85;color:var(--text)}
.st2:before{content:"";flex:none;width:7px;height:7px;border-radius:50%;background:var(--blue);transform:translateY(-1px)}

/* ═════════ natane の決まり ═════════ */
/* 現場では：カードにせず、大きな文字の要約だけを置く */
.fig-mext{margin:clamp(40px,5.4vh,64px) 0 0;display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:4px clamp(28px,4vw,64px);align-items:end}
.fig-mext .ctx-k{grid-column:1/-1}
.mq{margin:14px 0 0;padding:4px 0 4px clamp(18px,1.8vw,26px);border-left:4px solid var(--sky);font-size:clamp(20px,2.1vw,30px);font-weight:900;line-height:1.6;letter-spacing:.04em;color:var(--ink);word-break:keep-all}
.fig-mext .why{list-style:none;display:grid;gap:6px;padding-bottom:6px}
.fig-mext .why li{position:relative;padding-left:1.1em;font-size:15px;line-height:1.85;color:var(--text)}
.fig-mext .why li:before{content:"";position:absolute;left:0;top:.82em;width:6px;height:6px;border-radius:50%;background:var(--sky)}
.fig-mext .src{grid-column:1/-1}
@media (max-width:900px){.fig-mext{grid-template-columns:minmax(0,1fr)}.fig-mext .why{margin-top:12px}}

/* 3つの決まり：番号つきの輪の図と、違いの表（明星幼稚園の「特色1〜3」の作法。輪と表に同じ番号） */
.rule3{display:grid;grid-template-columns:minmax(0,clamp(280px,24vw,360px)) minmax(0,1fr);gap:clamp(28px,3.6vw,64px);align-items:center;margin-top:clamp(56px,7vw,96px)}
.ring{position:relative;width:100%;max-width:360px;aspect-ratio:1;justify-self:center}
.ring svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.ring .rg{fill:none;stroke:var(--sky);stroke-width:2.4;stroke-dasharray:.1 10;stroke-linecap:round}
.ring-c{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:6px}
.ring-c canvas{width:clamp(72px,6.6vw,92px);height:clamp(72px,6.6vw,92px)}
.ring-c b{font-family:var(--en);font-weight:400;font-size:17px;letter-spacing:.14em;color:#233043;line-height:1}
.ring-n{position:absolute;transform:translate(-50%,-50%);width:37%;aspect-ratio:1;border-radius:50%;background:var(--navy);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;text-align:center;box-shadow:0 0 0 6px rgba(27,42,74,.08),0 14px 28px rgba(27,42,74,.18)}
.ring-n i{position:absolute;left:-5%;top:-5%;display:grid;place-items:center;width:27%;aspect-ratio:1;border-radius:50%;background:var(--paper);color:var(--navy);font-style:normal;font-family:var(--en);font-weight:600;font-size:clamp(13px,1.05vw,15px);line-height:1;box-shadow:0 4px 10px rgba(27,42,74,.2)}
.ring-n small{font-size:clamp(10.5px,.86vw,12px);font-weight:700;letter-spacing:.04em;line-height:1.4;color:rgba(255,255,255,.84)}
.ring-n b{font-size:clamp(14px,1.2vw,17px);color:#fff;letter-spacing:.08em;line-height:1.35}
.ring-n.r1{left:50%;top:16.5%}
.ring-n.r2{left:79%;top:67%}
.ring-n.r3{left:21%;top:67%}
.rn{display:inline-grid;place-items:center;width:22px;height:22px;margin-right:8px;border-radius:50%;background:var(--navy);color:#fff;font-family:var(--en);font-weight:600;font-size:12px;line-height:1;letter-spacing:0;vertical-align:1px}
.cmp{width:100%;border-collapse:separate;border-spacing:0;table-layout:fixed}
.cmp th,.cmp td{text-align:left;vertical-align:top;padding:clamp(14px,2vh,20px) clamp(14px,1.6vw,20px);border-bottom:1px solid var(--line2);font-size:15px;line-height:1.85}
.cmp thead th{padding-top:12px;padding-bottom:12px;font-size:14px;font-weight:700;letter-spacing:.08em;color:var(--sub);border-bottom:1.5px solid var(--navy)}
.cmp thead th:first-child,.cmp tbody th{width:9.4em;padding-left:0}
.cmp thead th:nth-child(2){width:27%}
.cmp tbody th{font-weight:700;color:var(--ink);letter-spacing:.04em}
.cmp td{color:var(--sub)}
.cmp .me{background:var(--pale-l);color:var(--text)}
.cmp thead .me{color:var(--navy);border-radius:14px 14px 0 0}
.cmp thead .me .en{font-family:var(--en);font-weight:500;font-size:17px;letter-spacing:.1em}
.cmp tbody tr:last-child .me{border-radius:0 0 14px 14px}
.cmp td.me b{display:block;color:var(--navy);font-size:16px;letter-spacing:.04em}
@media (max-width:1180px) and (min-width:1024px){.rule3{grid-template-columns:minmax(0,280px) minmax(0,1fr)}.cmp thead th:first-child,.cmp tbody th{width:8.4em}}
@media (max-width:1023px){.rule3{grid-template-columns:minmax(0,1fr)}.ring{max-width:340px}}
@media (max-width:760px){
  .cmp,.cmp tbody,.cmp tr,.cmp th,.cmp td{display:block;width:auto!important}
  .cmp thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .cmp tbody tr{padding:4px 0 16px}
  .cmp tbody tr+tr{border-top:1.5px solid var(--navy)}
  .cmp tbody th{padding:14px 0 8px;border-bottom:0;font-size:16px}
  .cmp td{padding:10px 14px;border-bottom:0;border-radius:12px}
  .cmp td:before{content:attr(data-l);display:block;margin-bottom:2px;font-size:12.5px;font-weight:700;color:var(--sub);letter-spacing:.04em;line-height:1.7}
  .cmp td.me{margin-top:6px}
  .cmp tbody tr:last-child .me{border-radius:12px}
}
/* スマホ：輪をやめ、番号つきの丸を横に3つ並べる */
@media (max-width:560px){
  .rule3{gap:24px}
  .ring{max-width:none;aspect-ratio:auto;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
  .ring svg,.ring-c{display:none}
  .ring-n,.ring-n.r1,.ring-n.r2,.ring-n.r3{position:relative;left:auto;top:auto;transform:none;width:100%;aspect-ratio:1;box-shadow:0 0 0 4px rgba(27,42,74,.08),0 10px 20px rgba(27,42,74,.16)}
  .ring-n i{width:24px;font-size:12px;left:-4px;top:-4px}
  .ring{padding:4px 0 0 4px}
  .ring-n small{font-size:10px;letter-spacing:0}
  .ring-n b{font-size:13.5px;letter-spacing:.04em}
}

/* 記録の残し方：いまと、11月から */
.kp-now{margin-top:clamp(16px,2.6vh,24px);display:grid;gap:10px;padding:16px 18px;border-radius:14px;background:var(--ground);font-size:14.5px;line-height:1.85;color:var(--text)}
.kp-now div{display:grid;grid-template-columns:9.2em minmax(0,1fr);gap:4px 12px;align-items:baseline}
.kp-now dt .st{margin:0}
@media (max-width:560px){.kp-now div{grid-template-columns:minmax(0,1fr)}}

/* ═════════ データと安全（要点）：紺の面 ═════════ */
.dk{background:radial-gradient(70% 60% at 85% 0%,rgba(95,166,219,.18),rgba(95,166,219,0) 70%),linear-gradient(180deg,#1B2A4A 0%,#18264A 100%);color:rgba(255,255,255,.92)}
.dk h2,.dk h3,.dk b{color:#fff}
.dk .vt>span{color:#fff}
.dk .sh-k{color:rgba(255,255,255,.86)}
.dk .sh .lead{color:rgba(255,255,255,.86)}
.dk .sh.sp{align-items:center;grid-template-columns:minmax(0,1fr) auto}
.shield{justify-self:end;width:clamp(84px,7.4vw,112px);height:auto;filter:drop-shadow(0 16px 24px rgba(4,12,30,.45))}
@media (max-width:1023px){.shield{display:none}}

/* 記録の通り道：端末 → サーバー → 先生の画面。AIの会社には、端末と先生の画面から矢印で送るものを書く */
.dsum{margin-top:clamp(36px,5vh,56px);display:grid;gap:clamp(28px,4vw,44px)}
.mflow{margin:0}
.mf-g{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(56px,.5fr) minmax(0,1fr) minmax(40px,.34fr) minmax(0,1fr);
  grid-template-areas:"dev a1 srv a2 tch" "d1 . . . d2" "ai ai ai ai ai";align-items:stretch}
.g-dev{grid-area:dev}.g-a1{grid-area:a1}.g-srv{grid-area:srv}.g-a2{grid-area:a2}.g-tch{grid-area:tch}.g-d1{grid-area:d1}.g-d2{grid-area:d2}.g-ai{grid-area:ai}
.mf-n{display:flex;flex-direction:column;gap:6px;padding:clamp(16px,2vw,22px);border-radius:18px;background:rgba(255,255,255,.07);box-shadow:inset 0 0 0 1px rgba(255,255,255,.18)}
.mf-n b{font-size:16px;letter-spacing:.06em;line-height:1.5}
.mf-n small{font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.82)}
.mf-n.main{background:#fff;box-shadow:0 18px 36px rgba(4,12,30,.28)}
.mf-n.main b{color:var(--navy)}
.mf-n.main small{color:var(--sub)}
.mf-ic{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.12);margin-bottom:4px;flex:none}
.mf-ic svg{width:18px;height:18px;fill:none;stroke:#fff;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.mf-n.main .mf-ic{background:var(--pale-l)}
.mf-n.main .mf-ic svg{stroke:var(--navy)}
.mf-ar{position:relative;display:flex;align-items:center;justify-content:center;padding:0 6px}
.mf-ar:before{content:"";position:absolute;left:8px;right:12px;top:50%;height:2.4px;margin-top:-1.2px;background:repeating-linear-gradient(90deg,#9CCBEA 0 2.4px,transparent 2.4px 9px)}
.mf-ar:after{content:"";position:absolute;right:8px;top:50%;width:9px;height:9px;margin-top:-4.5px;border-top:2px solid #9CCBEA;border-right:2px solid #9CCBEA;transform:rotate(45deg)}
.mf-ar span:not(.sr){position:relative;z-index:1;margin-bottom:46px;font-size:12.5px;font-weight:700;color:#C4E3F7;letter-spacing:.06em;white-space:nowrap;line-height:1.4;text-align:center}
/* 下向きの矢印（AIの会社へ） */
.mf-dn{position:relative;min-height:clamp(70px,9vh,92px);display:flex;align-items:center}
.mf-dn:before{content:"";position:absolute;left:calc(clamp(16px,2vw,22px) + 17px);top:8px;bottom:12px;width:2.4px;margin-left:-1.2px;background:repeating-linear-gradient(180deg,#9CCBEA 0 2.4px,transparent 2.4px 9px)}
.mf-dn:after{content:"";position:absolute;left:calc(clamp(16px,2vw,22px) + 17px);bottom:11px;width:9px;height:9px;margin-left:-4.5px;border-top:2px solid #9CCBEA;border-right:2px solid #9CCBEA;transform:rotate(135deg)}
.mf-dn>span{position:relative;margin-left:calc(clamp(16px,2vw,22px) + 36px);padding:4px 0;font-size:13px;font-weight:700;color:#C4E3F7;letter-spacing:.06em;line-height:1.6}
.mf-ai{display:flex;align-items:center;gap:14px;padding:16px 20px;border-radius:16px;border:1.5px dashed rgba(156,203,234,.6);background:rgba(156,203,234,.06)}
.mf-ai .mf-ic{margin:0}
.mf-ai>div{min-width:0;flex:1}
.mf-ai-h{display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 16px}
.mf-ai-h b{font-size:16px;letter-spacing:.06em}
.mf-ai-h span{font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.82)}
.mf-m{display:none;margin-top:6px;gap:2px}
.mf-m div{display:grid;grid-template-columns:8em minmax(0,1fr);gap:12px;align-items:baseline}
.mf-m dt{font-size:13px;font-weight:700;color:#C4E3F7;letter-spacing:.06em}
.mf-m dd{font-size:14px;line-height:1.75;color:rgba(255,255,255,.9)}
@media (max-width:900px){
  .mf-g{grid-template-columns:minmax(0,1fr);grid-template-areas:"dev" "a1" "srv" "a2" "tch" "ai"}
  .mf-dn{display:none}
  .mf-m{display:grid}
  .mf-ai{margin-top:22px;align-items:flex-start}
  .mf-ar{height:46px;justify-content:flex-start}
  .mf-ar:before{left:50%;right:auto;top:6px;bottom:12px;width:2.4px;height:auto;margin:0 0 0 -1.2px;background:repeating-linear-gradient(180deg,#9CCBEA 0 2.4px,transparent 2.4px 9px)}
  .mf-ar:after{left:50%;right:auto;top:auto;bottom:10px;margin:0 0 0 -4.5px;transform:rotate(135deg)}
  .mf-ar span:not(.sr){margin:0 0 0 calc(50% + 14px);align-self:center;text-align:left}
}
@media (max-width:560px){.mf-m div{grid-template-columns:minmax(0,1fr);gap:0}}

/* 要点の表（白いカード） */
.dcard{background:#fff;border-radius:var(--r-card);padding:clamp(8px,1.4vw,16px) clamp(18px,2.4vw,32px);box-shadow:0 24px 48px rgba(4,12,30,.24)}
.dtable{width:100%;border-collapse:collapse;table-layout:fixed}
.dtable th,.dtable td{text-align:left;vertical-align:top;padding:clamp(12px,1.8vh,16px) clamp(8px,1vw,14px);border-bottom:1px solid var(--line);font-size:15px;line-height:1.85;color:var(--text)}
.dtable tr:last-child th,.dtable tr:last-child td{border-bottom:0}
.dtable thead th{font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--sub);padding-top:12px;padding-bottom:10px;border-bottom:1.5px solid var(--navy)}
.dtable thead th:first-child,.dtable tbody th{width:13.5em;padding-left:0}
.dtable thead th:last-child,.dtable td:last-child{width:9.6em;padding-right:0;text-align:right}
.dtable tbody th{color:var(--ink)!important;font-weight:700}
.dtable td .st{margin:0}
@media (max-width:760px){
  .dtable thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .dtable,.dtable tbody,.dtable tr,.dtable th,.dtable td{display:block;width:auto!important;text-align:left!important}
  .dtable tr{display:grid;grid-template-columns:minmax(0,1fr) auto;column-gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
  .dtable tr:last-child{border-bottom:0}
  .dtable th,.dtable td{border:0!important;padding:0!important}
  .dtable tbody th{grid-column:1;grid-row:1}
  .dtable td:nth-child(2){grid-column:1/-1;margin-top:4px}
  .dtable td:last-child{grid-column:2;grid-row:1}
}

.dfoot{margin-top:clamp(28px,4vw,44px);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(20px,3vw,40px);align-items:center}
.pcard{padding:clamp(18px,3vh,26px) clamp(20px,2.4vw,30px);background:var(--paper);border-radius:var(--r-card);box-shadow:var(--sh1)}
.pk{font-size:12.5px;font-weight:700;letter-spacing:.1em;color:#005F9E}
.pcard h3{font-size:clamp(18px,min(1.6vw,3vh),22px);letter-spacing:.06em;line-height:1.5;margin-top:6px;color:var(--ink)!important}
.pcard p.d{margin-top:6px;font-size:14.5px;color:var(--sub);line-height:1.8}
.dmore{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.dmore p{font-size:14px;color:rgba(255,255,255,.86);line-height:1.8;max-width:30em}
@media (max-width:900px){.dfoot{grid-template-columns:minmax(0,1fr)}}

/* ═════════ いまと、これから：リングで綴じたノート（茗溪学園の行事表の作法） ═════════ */
.road{background:#E8F0F7;overflow-x:clip}
.nb-wrap{position:relative;margin-top:clamp(36px,5vh,56px);padding-bottom:28px}
.nb-wrap:after{content:"";position:absolute;left:3%;right:3%;bottom:0;height:26px;pointer-events:none;
  background:radial-gradient(circle,rgba(27,42,74,.2) 1.3px,transparent 1.7px) 0 0/8px 8px;
  -webkit-mask:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.note-book{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 40px minmax(0,1fr);background:#fff;border-radius:20px;box-shadow:0 1px 2px rgba(27,42,74,.06),0 24px 50px rgba(27,42,74,.12)}
.pg{padding:clamp(26px,3.4vw,46px) clamp(22px,3.2vw,48px) clamp(26px,3.4vw,44px)}
.pg-k{font-size:13.5px;font-weight:700;letter-spacing:.12em;color:var(--blue);line-height:1.6;padding-bottom:10px;border-bottom:1.5px solid var(--navy)}
.pg-k2{margin-top:clamp(26px,3.6vh,36px)}
.rings{position:relative;background:
  linear-gradient(90deg,rgba(27,42,74,.07),rgba(27,42,74,0) 30%,rgba(27,42,74,0) 70%,rgba(27,42,74,.07));
}
.rings:before{content:"";position:absolute;inset:18px 0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='28' viewBox='0 0 40 28'%3E%3Ccircle cx='6' cy='14' r='3' fill='%23C9D4E0'/%3E%3Ccircle cx='34' cy='14' r='3' fill='%23C9D4E0'/%3E%3Crect x='4' y='10.5' width='32' height='7' rx='3.5' fill='%23F4F6F9' stroke='%238C98A8' stroke-width='1.2'/%3E%3Cpath d='M8 12.4h24' stroke='%23FFFFFF' stroke-width='1.4' stroke-linecap='round'/%3E%3C/svg%3E") repeat-y 50% 0/40px 28px}
.tl2{list-style:none;position:relative;margin-top:6px}
.tl2:before{content:"";position:absolute;left:5px;top:28px;bottom:28px;width:2.4px;background:repeating-linear-gradient(180deg,var(--sky) 0 2.4px,transparent 2.4px 9px)}
.tl2 li{position:relative;display:grid;grid-template-columns:8.4em minmax(0,1fr);gap:4px 16px;align-items:baseline;padding:clamp(14px,2vh,18px) 0 clamp(14px,2vh,18px) 26px;border-bottom:1px dashed var(--line2)}
.tl2 li:last-child{border-bottom:0}
.tl2 li:before{content:"";position:absolute;left:0;top:calc(clamp(14px,2vh,18px) + .55em);width:12px;height:12px;border-radius:50%;background:var(--paper);box-shadow:inset 0 0 0 2px var(--sky)}
.tl2 li.now:before{background:var(--navy);box-shadow:0 0 0 5px rgba(27,42,74,.1)}
.tl2 .when{font-family:var(--en);font-weight:500;color:var(--navy);line-height:1.1;white-space:nowrap;display:flex;align-items:baseline;gap:2px}
.tl2 .when span{font-family:var(--jp);font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.02em}
.tl2 .when b{font-family:var(--en);font-weight:500;font-size:30px;letter-spacing:0;color:var(--navy)}
.tl2 li.now .when b{font-family:var(--jp);font-weight:700;font-size:24px;letter-spacing:.08em}
.tl2 .when .jy{font-family:var(--jp);font-size:14px;font-weight:700;color:var(--navy);margin-left:2px}
.tl2 p:not(.when){font-size:15px;line-height:1.8;color:var(--ink)}
.tl2 p small{display:block;margin-top:3px;font-size:13px;color:#005F9E;font-weight:700}
.uses{margin-top:4px}
.uses div{display:grid;grid-template-columns:6.4em minmax(0,1fr);gap:4px 16px;padding:clamp(12px,1.8vh,15px) 0;border-bottom:1px dashed var(--line2)}
.uses dt{font-size:15px;font-weight:700;color:var(--ink);line-height:1.8}
.uses dd{font-size:15px;line-height:1.8;color:var(--sub)}
.keeps{list-style:none;margin-top:10px;display:grid;gap:8px}
.keeps li{position:relative;padding-left:26px;font-size:15px;line-height:1.8;color:var(--ink);font-weight:700}
.keeps li svg{position:absolute;left:0;top:.36em;width:17px;height:17px;stroke:var(--blue);fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.pg .src2{margin-top:12px;font-size:13.5px;color:var(--muted);line-height:1.8}
.nb-pen{position:absolute;z-index:2;right:clamp(-30px,-1vw,-6px);bottom:-6px;width:clamp(120px,11vw,168px);height:auto;transform:rotate(-28deg);filter:drop-shadow(0 8px 10px rgba(27,42,74,.18));pointer-events:none}
@media (max-width:900px){
  .note-book{grid-template-columns:minmax(0,1fr);grid-template-rows:auto 40px auto}
  .rings{background:linear-gradient(180deg,rgba(27,42,74,.07),rgba(27,42,74,0) 30%,rgba(27,42,74,0) 70%,rgba(27,42,74,.07))}
  .rings:before{inset:0 16px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='40' viewBox='0 0 28 40'%3E%3Ccircle cx='14' cy='6' r='3' fill='%23C9D4E0'/%3E%3Ccircle cx='14' cy='34' r='3' fill='%23C9D4E0'/%3E%3Crect x='10.5' y='4' width='7' height='32' rx='3.5' fill='%23F4F6F9' stroke='%238C98A8' stroke-width='1.2'/%3E%3Cpath d='M12.4 8v24' stroke='%23FFFFFF' stroke-width='1.4' stroke-linecap='round'/%3E%3C/svg%3E") repeat-x 0 50%/28px 40px}
  .nb-wrap{padding-bottom:56px}
  .nb-wrap:after{bottom:30px}
  .nb-pen{width:80px;right:14px;bottom:-4px}
}
@media (max-width:480px){
  .tl2 li{grid-template-columns:minmax(0,1fr);gap:2px}
  .uses div{grid-template-columns:minmax(0,1fr);gap:0}
}
.road .place{margin-top:clamp(64px,8vw,112px)}
@media (max-width:900px){.place{grid-template-columns:minmax(0,1fr)}.pl-ph{max-width:560px}}

/* ═════════ データと安全のページ ═════════
   情報の担当の先生が、校内で確かめるときに使うページ。表は印刷しても読めるように、線と文字だけで組む */
.dhero{position:relative;background:var(--paper);padding-top:calc(92px + clamp(32px,6vh,80px))}
.dhero:after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--line)}
.crumb{display:flex;flex-wrap:wrap;gap:6px 10px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--sub)}
.crumb a{color:#005F9E;text-decoration:none;border-bottom:1px solid rgba(0,113,185,.3)}
.crumb a:hover{border-bottom-color:var(--blue)}
.crumb span[aria-hidden]{color:var(--line2)}
.dhero-g{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:clamp(24px,4vw,72px);align-items:end}
.dhero h1{margin-top:clamp(14px,2vh,22px);font-size:clamp(30px,min(3.4vw,6.4vh),46px);line-height:1.4;letter-spacing:.08em}
.dlead{margin-top:16px;font-size:15.5px;line-height:2;color:var(--text);max-width:38em}
.dstat{margin-top:clamp(18px,3vh,26px);display:grid;gap:4px;padding:16px 22px;border-radius:16px;background:var(--pale-l);width:fit-content;max-width:min(100%,46em)}
.dstat p{font-size:15px;line-height:1.85;color:var(--navy);text-wrap:wrap}
.dstat b{color:var(--navy)}
.dstat .upd{font-size:13px;color:var(--sub)}
.dart{width:clamp(96px,11vw,160px);height:auto;margin-right:clamp(0px,4vw,64px)}
.toc{display:flex;flex-wrap:wrap;gap:8px 10px;margin-top:clamp(32px,5vh,56px);padding-block:18px 24px;border-top:1px solid var(--line)}
.toc a{display:inline-flex;align-items:center;font-size:13.5px;font-weight:700;letter-spacing:.05em;color:var(--navy);text-decoration:none;padding:7px 16px;border-radius:999px;background:var(--ground);transition:background .25s,color .25s}
.toc a:hover{background:var(--pale-l);color:#005F9E}
@media (max-width:760px){.dhero-g{grid-template-columns:minmax(0,1fr)}.dart{display:none}}

.scene.sm{padding-block:clamp(64px,7vw,104px)}
.legend{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.legend li{display:grid;gap:12px;align-content:start;justify-items:start;padding:20px 22px;border-radius:18px;background:var(--paper)}
.legend li p{font-size:15px;line-height:1.85;color:var(--text)}
@media (max-width:860px){.legend{grid-template-columns:minmax(0,1fr)}}

/* 記録とデータの流れ（生徒の端末 → AIの会社／natane のサーバー → 先生の画面） */
.flow6{display:grid;grid-template-columns:minmax(0,1fr) 112px minmax(0,1fr) 72px minmax(0,1fr);grid-template-rows:auto auto auto;row-gap:8px;align-items:stretch}
.node{padding:clamp(18px,3vh,26px) 24px clamp(16px,2.8vh,24px)}
.pap .node.card{background:var(--ground);box-shadow:none}
.node h3{display:flex;align-items:center;gap:10px;font-size:16.5px;letter-spacing:.06em}
.node h3 svg{width:22px;height:22px;flex:none;stroke:var(--navy);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.node p{margin-top:8px;font-size:15px;line-height:1.85;color:var(--sub)}
.node p+p{margin-top:6px}
.node.dev{grid-column:1;grid-row:1/4;border-radius:var(--r-card);background:var(--navy);color:#fff;display:flex;flex-direction:column;position:relative;overflow:hidden}
.node.dev .glyph{position:absolute;right:-6%;top:50%;width:46%;height:auto;aspect-ratio:1;transform:translateY(-58%);fill:none;stroke:rgba(255,255,255,.14);stroke-width:1;stroke-linecap:round;stroke-linejoin:round;pointer-events:none}
.node.dev>*:not(.glyph){position:relative}
.node.dev h3{color:#fff}
.node.dev p{color:rgba(255,255,255,.86)}
.node.dev .big{margin-top:auto!important;padding-top:24px;font-size:clamp(18px,1.7vw,22px);font-weight:700;color:#fff;line-height:1.7}
.node.ai{grid-column:3/6;grid-row:1}
.node.sv{grid-column:3;grid-row:3}
.node.tc{grid-column:5;grid-row:3}
.sends{margin-top:8px;display:grid;gap:2px}
.sends div{display:grid;grid-template-columns:8em minmax(0,1fr);gap:12px;align-items:baseline}
.sends dt{font-size:13.5px;font-weight:700;letter-spacing:.06em;color:var(--navy)}
.sends dd{font-size:15px;line-height:1.8;color:var(--sub)}
.pipe{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:0 10px}
.pipe span{font-size:12.5px;font-weight:700;letter-spacing:.06em;color:#005F9E;white-space:nowrap}
.pipe i{display:block;width:100%;height:0;border-top:1.6px dashed var(--sky);position:relative}
.pipe i:after{content:"";position:absolute;right:-1px;top:-5.5px;width:9px;height:9px;border-top:1.6px solid var(--sky);border-right:1.6px solid var(--sky);transform:rotate(45deg)}
.pp1{grid-column:2;grid-row:1}.pp2{grid-column:2;grid-row:3}.pp3{grid-column:4;grid-row:3}
/* 先生の画面から AIの会社へ（上向き） */
.pp4{grid-column:5;grid-row:2;flex-direction:row;justify-content:flex-start;gap:12px;padding:0 0 0 30px;min-height:58px}
.pp4 i{width:0;height:50px;border-top:0;border-left:1.6px dashed var(--sky)}
.pp4 i:after{right:auto;left:-5.5px;top:-1px;transform:rotate(-45deg)}
.pp4 span{white-space:normal}
@media (max-width:980px){
  /* 一列に並べると、AIの会社を通って届くように見えるので、AIの会社は最後に回す（どこから何を送るかは、中に書いてある） */
  .flow6{grid-template-columns:minmax(0,1fr);row-gap:0}
  .node.dev,.node.ai,.node.sv,.node.tc,.pp1,.pp2,.pp3,.pp4{grid-column:1;grid-row:auto}
  .node.dev{order:1}.pp2{order:2}.node.sv{order:3}.pp3{order:4}.node.tc{order:5}.node.ai{order:6;margin-top:28px}
  .pp1,.pp4{display:none}
  .node.dev .glyph{display:none}
  .sends div{grid-template-columns:minmax(0,1fr);gap:0}
  .pipe{flex-direction:row;justify-content:flex-start;padding:12px 0 12px 30px;gap:12px}
  .pipe i{width:0;height:30px;border-top:0;border-left:1.6px dashed var(--sky);order:-1}
  .pipe i:after{right:auto;left:-5.5px;top:auto;bottom:-1px;transform:rotate(135deg)}
  .pp2 span:before{content:"生徒の端末から　"}
}

/* 表（項目ごとの扱い・ガイドラインとの対応・変えたことの記録）。スマホでは1項目ずつ縦に積む */
.tbl{background:var(--paper);border-radius:var(--r-card);box-shadow:var(--sh1);padding:clamp(8px,1.4vw,16px) clamp(16px,2.6vw,36px)}
.pap .tbl{background:var(--ground);box-shadow:none}
.dt{width:100%;border-collapse:collapse;font-size:15.5px;line-height:1.85}
.dt thead th{text-align:left;font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--sub);padding:14px 16px 12px 0;border-bottom:1.5px solid var(--line2)}
.dt tbody th,.dt tbody td{text-align:left;vertical-align:top;padding:14px 16px 14px 0;border-bottom:1px solid var(--line)}
.dt tbody th{font-weight:700;color:var(--ink);width:15em}
.dt tbody td{color:var(--text)}
.dt tbody td:last-child{width:10.5em;padding-right:0}
.dt tr.grp th{padding:26px 0 8px;font-size:13.5px;letter-spacing:.12em;color:#005F9E;border-bottom:1.5px solid var(--line2);width:auto}
.dt tbody:first-of-type tr.grp th{padding-top:18px}
.dt.gt tbody th{width:17em}
.dt.lg tbody th{width:12em;font-family:var(--jp)}
.dt.lg tbody td:last-child{width:auto}
@media (max-width:700px){
  .tbl{padding:4px 18px}
  .dt thead{display:none}
  .dt,.dt tbody,.dt tr,.dt th,.dt td{display:block;width:auto!important}
  .dt tbody tr:not(.grp){padding:14px 0;border-bottom:1px solid var(--line)}
  .dt tbody th,.dt tbody td{border:0;padding:0}
  .dt tbody td{margin-top:4px}
  .dt tbody td:last-child{margin-top:8px}
  .dt tr.grp th{padding:22px 0 8px}
  .dt.gt tbody td[rowspan],.dt.gt tbody th[rowspan]{display:block}
  /* 同じ考え方の2行目は、上の行につなげて少し下げる */
  .dt tbody tr:has(+ tr.cont){border-bottom:0;padding-bottom:6px}
  .dt tbody tr.cont{padding-top:6px;margin-left:2px;padding-left:14px;border-left:2px solid var(--line2)}
  .dt tbody tr.cont td:first-child{margin-top:0}
}

/* 試すときに守ること */
.trial{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:clamp(28px,4vw,72px);align-items:start}
.must{list-style:none;border-top:1px solid var(--line2)}
.must li{display:grid;grid-template-columns:24px minmax(0,1fr);gap:14px;padding:clamp(14px,2.4vh,20px) 0;border-bottom:1px solid var(--line2)}
.must svg{width:20px;height:20px;margin-top:.3em;stroke:var(--blue);fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.must b{display:block;font-size:16px;line-height:1.75;letter-spacing:.04em}
.must span{display:block;margin-top:4px;font-size:15px;line-height:1.85;color:var(--sub)}
@media (max-width:900px){.trial{grid-template-columns:minmax(0,1fr)}}

/* 相談（データと安全のページ） */
.close.sm{padding-block:clamp(88px,10vw,140px) clamp(96px,10.6vw,150px)}
.close.sm h2{margin-top:0}
.close.sm .mail{margin-top:clamp(24px,4vh,40px)}

/* 印刷するとき（校内で回すときなど）：ヘッダー・鉛筆・流れる英字を出さず、線と文字だけにする */
@media print{
  .hd,.lane,.ft-marq,.close .walker,.toc{display:none!important}
  body{background:#fff}
  .scene{padding-block:24px}
  .tbl{box-shadow:none;padding:0}
  .node.dev{background:#fff!important;border:1.5px solid var(--navy)}
  .node.dev h3,.node.dev p,.node.dev .big{color:var(--ink)!important}
  .node.dev .glyph{display:none}
  .pap .node.card,.pap .tbl{background:#fff!important;border:1px solid var(--line2)}
  .dt tr{break-inside:avoid}
  .close{background:#fff!important;color:var(--ink)}
  .close h2,.close .pre,.mail .addr,.mail .k,.mail .who{color:var(--ink)!important;text-shadow:none!important}
}

/* 10回目：頭を紺の面にする（トップの「データと安全」の区画とそろえる） */
.dhero{background:radial-gradient(60% 70% at 88% 0%,rgba(95,166,219,.2),rgba(95,166,219,0) 70%),linear-gradient(180deg,#1B2A4A 0%,#18264A 100%);color:rgba(255,255,255,.92)}
.dhero:after{display:none}
.dhero h1{color:#fff}
.dhero .crumb{color:rgba(255,255,255,.8)}
.dhero .crumb a{color:#C4E3F7;border-bottom-color:rgba(196,227,247,.4)}
.dhero .crumb span[aria-hidden]{color:rgba(255,255,255,.4)}
.dhero .dlead{color:rgba(255,255,255,.9)}
.dhero .dstat{background:rgba(255,255,255,.08);box-shadow:inset 0 0 0 1px rgba(255,255,255,.2)}
.dhero .dstat p,.dhero .dstat b{color:#fff}
.dhero .dstat .upd{color:rgba(255,255,255,.74)}
.dhero .dart{filter:drop-shadow(0 16px 24px rgba(4,12,30,.45))}
.dhero .toc{border-top-color:rgba(255,255,255,.18)}
.dhero .toc a{background:rgba(255,255,255,.1);color:#fff}
.dhero .toc a:hover{background:#fff;color:var(--navy)}
@media print{
  .dhero{background:#fff!important;color:var(--ink)}
  .dhero h1,.dhero .dlead,.dhero .dstat p,.dhero .dstat b,.dhero .crumb{color:var(--ink)!important}
  .dhero .dstat{background:#fff!important;box-shadow:inset 0 0 0 1px var(--line2)!important}
}

/* 印刷するとき（トップ）：写真・映像・紺の面は白にして、文字を濃くする。縦書きの区画名は外し、横書きの名前を出す */
@media print{
  .hero{min-height:0;background:#fff!important;color:var(--ink)}
  .hero-ph,.hero-shade{display:none}
  .hero-in{padding-top:24px;padding-bottom:16px}
  .hero-t,.hero .wish,.wish .wm,.wish .wm b,.hero-sub p,.hstat,.hstat a,.loc{color:var(--ink)!important;text-shadow:none!important}
  .hero-sub{border-top-color:var(--line2)}
  .loc svg{stroke:var(--ink)}
  .film{display:none}
  .how{color:var(--ink);background:#fff!important}
  .how .sky{display:none}
  .index{margin-top:0}
  .index a,.index-in{box-shadow:inset 0 0 0 1px var(--line2)!important}
  .how .answer,.how .keyline,.h-cap,.h-st{color:var(--ink)!important;text-shadow:none!important}
  .dk{background:#fff!important;color:var(--text)}
  .dk h2,.dk h3,.dk b,.dk .sh-k,.dmore p,.mf-n small,.mf-ai p,.mf-ai-h span,.mf-cap,.mf-ar span,.mf-dn span,.mf-m dt,.mf-m dd{color:var(--ink)!important}
  .mf-ai{background:#fff!important;border-color:var(--line2)!important}
  .mf-n,.mf-n.main{background:#fff!important;box-shadow:inset 0 0 0 1px var(--line2)!important}
  .mf-ic svg{stroke:var(--ink)!important}
  .road{background:#fff}
  .vt{display:none!important}
  .vow:before{display:none}
  .fr{display:block}
  .fr .sh .sh-k{position:static!important;width:auto!important;height:auto!important;clip:auto!important;padding-bottom:6px!important;border-bottom:2px solid var(--red)!important}
  .fr .sh h2{margin-top:18px}
  .nb-pen{display:none}
  .tlap,.tch-note,.tch-hint,.tc-go{display:none}
  .tline button{background:#fff!important;border-color:var(--line2)!important;box-shadow:none!important}
  .fig-c,.fig-stats,.note-book,.dcard,.cmp,.tline button,.mflow{break-inside:avoid}
}