@import url('https://fonts.googleapis.com/css2?family=Zen+Kaku+Gothic+New:wght@400;500;700;900&family=Noto+Sans+JP:wght@400;500;700&family=Archivo:wght@600;700;800&family=IBM+Plex+Mono:wght@400;500&display=swap');

/* ================================================================
   Happy Education トップページ（.he-home の中だけに効きます）
   ================================================================ */
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.he-home{
  --he-page:#FFFFFF; --he-card:#F3F9FD; --he-ink:#172A35; --he-ink2:#3F5A68; --he-ink3:#7E97A5;
  --he-line:#D8E7F0; --he-brand:#1F7AAA; --he-bright:#2E97CE; --he-soft:#EDF6FC;
  --he-pop:#F2B134; --he-pop-ink:#2B1F06; --he-own:#EBD6A8; --he-own-ink:#3E3017;
  --he-t2:#96C9E6; --he-t4:#1F7AAA; --he-t5:#124E6E;
  --he-wall1:#2E97CE; --he-wall2:#114A6A; --he-bezel:#0C2433;
  --he-display:"Zen Kaku Gothic New",'Hiragino Sans',"Yu Gothic",system-ui,sans-serif;
  --he-body:"Noto Sans JP",'Hiragino Sans',"Yu Gothic",system-ui,sans-serif;
  --he-latin:"Archivo",system-ui,sans-serif;
  --he-mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  max-width:1000px;margin:0 auto;padding:0 16px 56px;
  background:var(--he-page);color:var(--he-ink);
  font-family:var(--he-body);font-size:15px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
.he-home *{box-sizing:border-box}
.he-home a{text-decoration:none}

.he-home .he-stage{display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:40px;align-items:start;padding:34px 0 54px}
@media (max-width:760px){.he-home .he-stage{grid-template-columns:1fr;gap:28px;justify-items:center}}
.he-home .he-phone{width:100%;max-width:300px;justify-self:center}
.he-home .he-device{background:var(--he-bezel);border-radius:40px;padding:9px;box-shadow:0 26px 60px -24px rgba(12,36,51,.5),0 2px 0 rgba(255,255,255,.3) inset}
.he-home .he-screen{position:relative;border-radius:32px;overflow:hidden;background:linear-gradient(170deg,var(--he-wall1),var(--he-wall2));padding:0 13px 13px;aspect-ratio:9/18.6;display:flex;flex-direction:column}
.he-home .he-status{display:flex;align-items:center;justify-content:space-between;padding:9px 4px 0;color:#fff;font-family:var(--he-mono);font-size:10px;opacity:.9}
.he-home .he-island{position:absolute;top:9px;left:50%;transform:translateX(-50%);width:68px;height:17px;border-radius:999px;background:rgba(0,0,0,.55)}
.he-home .he-bars{display:flex;gap:2px;align-items:flex-end}
.he-home .he-bars i{display:block;width:2.5px;background:#fff;border-radius:1px}
.he-home .he-bars i:nth-child(1){height:4px}
.he-home .he-bars i:nth-child(2){height:6px}
.he-home .he-bars i:nth-child(3){height:8px}
.he-home .he-bars i:nth-child(4){height:10px}
.he-home .he-batt{width:20px;height:10px;border:1px solid rgba(255,255,255,.8);border-radius:3px;position:relative}
.he-home .he-batt::after{content:"";position:absolute;inset:1.5px;right:5px;background:#fff;border-radius:1px}
.he-home .he-lockname{color:#fff;text-align:center;padding:16px 0 4px}
.he-home .he-lockname .he-n{font-family:var(--he-display);font-weight:700;font-size:21px;letter-spacing:.06em}
.he-home .he-lockname .he-r{font-size:10.5px;opacity:.82;letter-spacing:.04em}
.he-home .he-widget{background:rgba(255,255,255,.17);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.22);border-radius:16px;padding:12px 13px;color:#fff;margin-top:10px}
.he-home .he-widget .he-ph{font-family:var(--he-display);font-weight:700;font-size:13.5px;line-height:1.55;margin-bottom:9px}
.he-home .he-widget .he-nums{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;text-align:center}
.he-home .he-widget .he-nums div{background:rgba(0,0,0,.18);border-radius:9px;padding:6px 2px}
.he-home .he-widget .he-nums b{display:block;font-family:var(--he-latin);font-weight:800;font-size:19px;line-height:1.1;font-variant-numeric:tabular-nums}
.he-home .he-widget .he-nums span{font-size:9px;opacity:.85}
.he-home .he-apps{display:grid;grid-template-columns:repeat(4,1fr);gap:11px 8px;margin-top:16px}
.he-home .he-app{display:flex;flex-direction:column;align-items:center;gap:5px;color:#fff}
.he-home .he-app:focus-visible{outline:2px solid #fff;outline-offset:3px;border-radius:6px}
.he-home .he-app .he-cap{font-size:9.5px;text-align:center;line-height:1.3;text-shadow:0 1px 2px rgba(0,0,0,.35)}
.he-home .he-tile{width:100%;aspect-ratio:1;border-radius:14px;display:grid;place-items:center;background:rgba(255,255,255,.95);color:var(--he-brand);box-shadow:0 3px 8px rgba(0,0,0,.18);transition:transform .15s ease}
.he-home .he-app:hover .he-tile,.he-home .he-app:focus-visible .he-tile{transform:translateY(-2px)}
.he-home .he-tile svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.he-home .he-dock{margin-top:auto;background:rgba(255,255,255,.18);border-radius:20px;padding:9px;display:grid;grid-template-columns:repeat(3,1fr);gap:9px}
.he-home .he-dock .he-tile{border-radius:13px}
.he-home .he-dock .he-app:nth-child(1) .he-tile{background:var(--he-pop);color:var(--he-pop-ink)}
.he-home .he-dock .he-cap{font-size:9px}

.he-home .he-side{display:flex;flex-direction:column;gap:26px;width:100%;padding-top:8px}
@media (max-width:760px){.he-home .he-side{padding-top:0;max-width:420px}}
.he-home .he-side h2{font-family:var(--he-display);font-weight:700;font-size:13px;letter-spacing:.09em;margin:0 0 11px;color:var(--he-ink3);border:0;padding:0}
.he-home .he-side h2 em{font-style:normal;font-family:var(--he-latin);font-size:10.5px;letter-spacing:.14em;color:var(--he-brand);display:block}
.he-home .he-btns{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.he-home .he-lk{display:flex;align-items:center;justify-content:space-between;gap:10px;min-width:0;background:var(--he-card);border:1px solid var(--he-line);border-radius:999px;padding:11px 15px;color:var(--he-ink);font-size:13.5px;font-family:var(--he-display);font-weight:500;transition:border-color .15s ease,transform .15s ease}
.he-home .he-lk:hover,.he-home .he-lk:focus-visible{border-color:var(--he-brand);transform:translateY(-1px)}
.he-home .he-lk:focus-visible{outline:2px solid var(--he-brand);outline-offset:2px}
.he-home .he-lk .he-ar{font-family:var(--he-latin);font-size:12px;color:var(--he-brand);flex:none}
.he-home .he-lk.he-solid{background:var(--he-brand);border-color:var(--he-brand);color:#fff}
.he-home .he-lk.he-solid .he-ar{color:#fff}
.he-home .he-tagline{font-family:var(--he-display);font-weight:900;line-height:1.25;font-size:clamp(26px,4.4vw,40px);margin:0 0 6px;text-wrap:balance;color:var(--he-ink)}
.he-home .he-tagline em{font-style:normal;color:var(--he-brand)}
.he-home .he-sub{margin:0 0 22px;color:var(--he-ink2);font-size:14px;max-width:46ch}
.he-home .he-bigword{font-family:var(--he-latin);font-weight:800;letter-spacing:-.02em;line-height:.9;font-size:clamp(44px,9vw,86px);color:var(--he-brand);opacity:.13;margin:0 0 -8px}

.he-home .he-sec{padding:34px 0;border-top:1px solid var(--he-line);scroll-margin-top:90px}
.he-home .he-sec-head{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.he-home .he-sec-head h2{font-family:var(--he-display);font-weight:700;font-size:20px;margin:0;border:0;padding:0;color:var(--he-ink)}
.he-home .he-sec-head .he-en{font-family:var(--he-latin);font-size:11px;letter-spacing:.16em;color:var(--he-ink3);text-transform:uppercase}
.he-home .he-sec-head .he-back{margin-left:auto;font-size:12px;color:var(--he-ink3);white-space:nowrap}
.he-home .he-sec-head .he-back:hover{color:var(--he-brand)}
.he-home .he-sec p{margin:0 0 12px;color:var(--he-ink2);max-width:62ch}
.he-home .he-blk{margin-bottom:34px}
.he-home .he-blk:last-child{margin-bottom:0}
.he-home .he-blk > h3{font-family:var(--he-display);font-weight:700;font-size:13px;letter-spacing:.08em;color:var(--he-ink3);margin:0 0 13px;display:flex;align-items:baseline;gap:10px}
.he-home .he-blk > h3 em{font-style:normal;font-family:var(--he-latin);font-size:10px;letter-spacing:.15em;color:var(--he-brand)}

.he-home .he-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(104px,1fr));gap:10px}
.he-home .he-stat{background:var(--he-card);border:1px solid var(--he-line);border-radius:6px;padding:13px 14px;min-width:0}
.he-home .he-stat b{display:block;font-family:var(--he-latin);font-weight:800;font-size:30px;line-height:1;color:var(--he-ink);font-variant-numeric:tabular-nums}
.he-home .he-stat span{font-size:11.5px;color:var(--he-ink3)}

.he-home .he-rows{list-style:none;margin:0;padding:0}
.he-home .he-rows li{display:grid;grid-template-columns:5.6em 1fr;gap:4px 14px;padding:10px 0;border-bottom:1px solid var(--he-line);font-size:14px;min-width:0}
.he-home .he-rows li time{font-family:var(--he-mono);font-size:12px;color:var(--he-ink3);font-variant-numeric:tabular-nums}
.he-home .he-rows li div{min-width:0}
.he-home .he-rows li small{display:block;color:var(--he-ink3);font-size:12px}
@media (max-width:430px){.he-home .he-rows li{grid-template-columns:1fr}}

.he-home .he-degree{display:flex;align-items:baseline;gap:4px 16px;flex-wrap:wrap;border-left:3px solid var(--he-brand);padding:2px 0 2px 14px;margin-bottom:30px}
.he-home .he-degree .he-d{font-family:var(--he-display);font-weight:700;font-size:15.5px;letter-spacing:.04em}
.he-home .he-degree .he-w{font-size:13px;color:var(--he-ink2)}
.he-home .he-degree .he-y{margin-left:auto;font-family:var(--he-mono);font-size:12px;color:var(--he-ink3);font-variant-numeric:tabular-nums}

.he-home .he-tl{list-style:none;margin:0;padding:0 0 0 22px;position:relative}
.he-home .he-tl::before{content:"";position:absolute;left:4px;top:7px;bottom:7px;width:1px;background:var(--he-line)}
.he-home .he-tl li{position:relative;display:grid;grid-template-columns:4.6em 1fr;gap:3px 14px;padding:9px 0;min-width:0}
.he-home .he-tl li::before{content:"";position:absolute;left:-22px;top:17px;width:9px;height:9px;border-radius:50%;background:var(--he-page);border:1.5px solid var(--he-line)}
.he-home .he-tl li.he-key::before{background:var(--he-brand);border-color:var(--he-brand)}
.he-home .he-tl time{font-family:var(--he-mono);font-size:12px;color:var(--he-ink3);font-variant-numeric:tabular-nums;padding-top:2px}
.he-home .he-tl li.he-key time{color:var(--he-brand);font-weight:500}
.he-home .he-tl div{min-width:0}
.he-home .he-tl b{font-family:var(--he-display);font-weight:700;font-size:14.5px;display:block}
.he-home .he-tl small{display:block;color:var(--he-ink3);font-size:12px;line-height:1.7}
@media (max-width:430px){.he-home .he-tl li{grid-template-columns:1fr}.he-home .he-tl li::before{top:14px}}

.he-home .he-board{display:grid;grid-template-columns:repeat(auto-fit,minmax(236px,1fr));gap:10px}
.he-home .he-post{position:relative;background:var(--he-card);border:1px solid var(--he-line);border-top:2px solid var(--he-brand);border-radius:4px;padding:12px 14px 13px;min-width:0}
.he-home .he-post.he-done{border-top-color:#CFE6F4;background:transparent}
.he-home .he-post .he-org{font-size:11px;color:var(--he-brand);font-weight:500;letter-spacing:.02em;display:block;padding-right:42px}
.he-home .he-post.he-done .he-org{color:var(--he-ink3)}
.he-home .he-post b{display:block;font-family:var(--he-display);font-weight:700;font-size:14px;line-height:1.55;margin:2px 0 6px}
.he-home .he-post .he-per{font-family:var(--he-mono);font-size:10.5px;color:var(--he-ink3);font-variant-numeric:tabular-nums}
.he-home .he-post .he-chip{position:absolute;top:10px;right:12px;font-size:9.5px;font-family:var(--he-display);font-weight:700;padding:2px 8px;border-radius:999px;background:var(--he-brand);color:#fff;letter-spacing:.05em}
.he-home .he-post.he-done .he-chip{background:var(--he-line);color:var(--he-ink3)}

.he-home .he-awards{display:grid;grid-template-columns:repeat(auto-fit,minmax(272px,1fr));gap:8px}
.he-home .he-aw{position:relative;border:1px solid var(--he-line);border-radius:4px;background:var(--he-card);padding:9px 14px 10px 16px;min-width:0}
.he-home .he-aw::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;border-radius:4px 0 0 4px;background:var(--he-pop)}
.he-home .he-aw .he-hd{display:flex;align-items:baseline;gap:9px;min-width:0}
.he-home .he-aw time{font-family:var(--he-mono);font-size:11px;color:var(--he-ink3);font-variant-numeric:tabular-nums;flex:none}
.he-home .he-aw h3{font-family:var(--he-display);font-weight:700;font-size:14px;margin:0;line-height:1.5;min-width:0;color:var(--he-ink)}
.he-home .he-aw p{font-size:11.5px;color:var(--he-ink2);margin:1px 0 0;line-height:1.65;max-width:none}
.he-home .he-aw .he-names{font-size:11.5px;color:var(--he-ink2);margin-top:2px;line-height:1.6}
.he-home .he-aw .he-names b{font-weight:700;color:var(--he-ink)}
.he-home .he-aw .he-org{font-size:11px;color:var(--he-ink3);margin-top:1px}
.he-home .he-aw.he-top{background:var(--he-soft);border-color:#C9E2F1}
.he-home .he-aw.he-top::before{background:var(--he-brand)}
.he-home .he-aw.he-top h3{font-size:15px}

.he-home .he-bars-list{display:flex;flex-direction:column;gap:7px}
.he-home .he-bkbar{display:flex;align-items:stretch;border-radius:4px;overflow:hidden;background:var(--he-card);border:1px solid var(--he-line);color:var(--he-ink);transition:transform .15s ease}
.he-home .he-bkbar:hover,.he-home .he-bkbar:focus-visible{transform:translateX(3px)}
.he-home .he-bkbar:focus-visible{outline:2px solid var(--he-brand);outline-offset:2px}
.he-home .he-bkbar .he-sp{flex:none;width:52px;display:grid;place-items:center;color:#fff;font-family:var(--he-mono);font-size:10px;letter-spacing:.03em;font-variant-numeric:tabular-nums}
.he-home .he-bkbar .he-bd{padding:10px 15px;display:flex;align-items:baseline;gap:4px 12px;flex-wrap:wrap;min-width:0}
.he-home .he-bkbar .he-bt{font-family:var(--he-display);font-weight:700;font-size:14px;line-height:1.5}
.he-home .he-bkbar .he-bm{font-size:11.5px;color:var(--he-ink3)}
.he-home .he-bknote{font-size:11.5px;color:var(--he-ink3);margin-top:12px}
.he-home .he-bknote i{display:inline-block;width:9px;height:9px;border-radius:2px;vertical-align:-1px;margin:0 4px 0 12px}
.he-home .he-bknote i:first-child{margin-left:0}

.he-home .he-ig{display:grid;grid-template-columns:repeat(auto-fit,minmax(102px,1fr));gap:6px;margin:4px 0 14px}
.he-home .he-igt{position:relative;aspect-ratio:1;border-radius:4px;overflow:hidden;display:grid;align-content:end;padding:9px}
.he-home .he-igt::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 42%,rgba(0,0,0,.45))}
.he-home .he-igt img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.he-home .he-igt span{position:relative;z-index:1;font-family:var(--he-display);font-weight:700;font-size:11.5px;color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.45)}
.he-home .he-igt small{position:relative;z-index:1;font-family:var(--he-mono);font-size:9px;color:rgba(255,255,255,.85)}
.he-home .he-iglink{display:inline-flex;align-items:center;gap:9px;background:var(--he-card);border:1px solid var(--he-line);border-radius:999px;padding:9px 16px;color:var(--he-ink);font-family:var(--he-display);font-weight:500;font-size:13.5px}
.he-home .he-iglink:hover{border-color:var(--he-brand)}
.he-home .he-iglink svg{width:16px;height:16px;stroke:var(--he-brand);fill:none;stroke-width:1.7}
/* ===== Happy Education ここまで ===== */

/* ===== Diver打ち消し ===== */
.he-home h1,.he-home h2,.he-home h3,.he-home h4,.he-home h5{background:none;background-color:transparent;border:0;padding:0;box-shadow:none;text-indent:0}
.he-home h1::before,.he-home h2::before,.he-home h3::before,.he-home h4::before,.he-home h5::before,
.he-home h1::after,.he-home h2::after,.he-home h3::after,.he-home h4::after,.he-home h5::after{content:none;display:none}
/* ===== Diver打ち消し ここまで ===== */

/* he-ext（他の先生の授業ページ） */
.he-home .he-lk.he-ext{background:#F7F4EC;border-color:#E6DFCE;color:#6A6355}
.he-home .he-lk.he-ext .he-ar{color:#B49A62}
.he-home .he-lk.he-ext:hover{border-color:#CDBF9B}