/* =========================================================
   PROMPT LAB — 超絶英語学習プロンプト全集
   原田英語.com
   ========================================================= */
:root{
  --ink:#0f1222; --ink2:#2a3050; --ink3:#646e8c;
  --paper:#faf8f4; --paper2:#fff; --paper3:#f2eee6;
  --line:#e6e0d4; --line2:#efeae0;
  --accent:#6d3bff; --accent-2:#a855f7; --accent-3:#e0417a; --accent-soft:#f0ebff;
  --teal:#0d9488; --teal-soft:#dcf5f1;
  --gold:#d9930f; --gold-soft:#fdf1d8;
  --grad:linear-gradient(118deg,#6d3bff 0%,#9333ea 48%,#e0417a 100%);
  --grad-soft:linear-gradient(118deg,#f0ebff 0%,#fbe9f2 100%);
  --r:18px; --r-s:12px; --r-l:26px;
  --sh-1:0 1px 2px rgba(15,18,34,.05);
  --sh-2:0 2px 6px rgba(15,18,34,.06), 0 12px 32px rgba(15,18,34,.08);
  --sh-3:0 30px 70px rgba(15,18,34,.22);
  --glow:0 8px 26px rgba(109,59,255,.32);
  --hd:62px;
  --font:"Zen Kaku Gothic New",-apple-system,BlinkMacSystemFont,"Hiragino Sans","Noto Sans JP",sans-serif;
  --font-en:"Outfit","Zen Kaku Gothic New",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
html[data-t="dark"]{
  --ink:#eef1fa; --ink2:#c3cbe2; --ink3:#8791ad;
  --paper:#0b0e1a; --paper2:#141930; --paper3:#1b2140;
  --line:#262d4d; --line2:#20263f;
  --accent:#a084ff; --accent-2:#c084fc; --accent-3:#f472a6; --accent-soft:#231d47;
  --teal:#2dd4bf; --teal-soft:#0e2f2b;
  --gold:#eab308; --gold-soft:#302408;
  --grad:linear-gradient(118deg,#8b5cff 0%,#b06bf5 48%,#f2699e 100%);
  --grad-soft:linear-gradient(118deg,#1d1840 0%,#341b2c 100%);
  --sh-1:0 1px 2px rgba(0,0,0,.4);
  --sh-2:0 2px 6px rgba(0,0,0,.4), 0 12px 32px rgba(0,0,0,.5);
  --sh-3:0 30px 70px rgba(0,0,0,.7);
  --glow:0 8px 26px rgba(160,132,255,.28);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font); color:var(--ink); background:var(--paper);
  -webkit-font-smoothing:antialiased; line-height:1.78; font-size:15px;
  overflow-x:clip; /* hidden だと body がスクロール容器になり、window のスクロールが死ぬ */
  font-feature-settings:"palt" 1;
}
html{overflow-x:clip}
img{max-width:100%}
button,input,select,textarea{font-family:inherit; font-size:inherit; color:inherit}
button{cursor:pointer; border:0; background:none; padding:0}
a{color:inherit}
::selection{background:var(--accent); color:#fff}
::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:color-mix(in srgb,var(--ink3) 30%,transparent); border-radius:9px; border:3px solid transparent; background-clip:content-box}
::-webkit-scrollbar-thumb:hover{background:color-mix(in srgb,var(--ink3) 55%,transparent); background-clip:content-box}

.gtext{background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent}

/* ---------- splash ---------- */
.splash{position:fixed; inset:0; z-index:9999; background:#0b0e1a; display:grid; place-items:center; transition:opacity .55s cubic-bezier(.4,0,.2,1), visibility .55s}
.splash.off{opacity:0; visibility:hidden}
.splash-in{text-align:center; color:#f6f4ef}
.splash-mark{width:70px; height:70px; margin:0 auto 20px; border-radius:22px; background:var(--grad); display:grid; place-items:center; font-size:30px; color:#fff;
  animation:pop .7s cubic-bezier(.2,1.5,.4,1) both; box-shadow:0 14px 40px rgba(109,59,255,.5)}
@keyframes pop{from{transform:scale(.3) rotate(-14deg); opacity:0}}
.splash-t{font-family:var(--font-en); font-weight:800; font-size:27px; letter-spacing:.2em; animation:up .6s .15s both}
.splash-s{font-size:12px; opacity:.6; letter-spacing:.14em; margin-top:5px; animation:up .6s .25s both}
@keyframes up{from{opacity:0; transform:translateY(10px)}}
.splash-bar{width:160px; height:2px; background:rgba(255,255,255,.14); border-radius:3px; margin:24px auto 0; overflow:hidden}
.splash-bar i{display:block; height:100%; width:0; background:var(--grad); animation:sb 1.05s cubic-bezier(.4,0,.2,1) forwards}
@keyframes sb{to{width:100%}}

/* ---------- header ---------- */
.hd{position:sticky; top:0; z-index:500; background:color-mix(in srgb, var(--paper) 78%, transparent); backdrop-filter:saturate(180%) blur(18px); -webkit-backdrop-filter:saturate(180%) blur(18px); border-bottom:1px solid var(--line2)}
.hd-in{max-width:1240px; margin:0 auto; padding:0 20px; height:var(--hd); display:flex; align-items:center; justify-content:space-between; gap:12px}
.brand{display:flex; align-items:center; gap:11px; text-decoration:none; min-width:0}
.brand-mark{width:34px; height:34px; border-radius:11px; background:var(--grad); display:grid; place-items:center; flex:none; color:#fff; font-family:var(--font-en); font-weight:800; font-size:17px; box-shadow:var(--glow); transition:.2s}
.brand:hover .brand-mark{transform:rotate(-8deg) scale(1.06)}
.brand-mark::after{display:none}
.brand-txt{display:flex; flex-direction:column; line-height:1.22; min-width:0}
.brand-txt b{font-family:var(--font-en); font-weight:800; font-size:15px; letter-spacing:.13em}
.brand-txt i{font-style:normal; font-size:10px; color:var(--ink3); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; letter-spacing:.02em}
.hd-tools{display:flex; gap:7px; align-items:center; flex:none}
.hd-home{display:inline-flex; align-items:center; gap:5px; padding:0 13px; height:36px; border-radius:99px; border:1px solid var(--line); background:var(--paper2); font-size:11.5px; font-weight:800; text-decoration:none; white-space:nowrap; transition:.18s}
.hd-home i{font-style:normal; font-size:10px; opacity:.55}
.hd-home:hover{background:var(--ink); color:var(--paper); border-color:var(--ink); transform:translateY(-1px)}
.icobtn{width:36px; height:36px; border-radius:11px; border:1px solid var(--line); background:var(--paper2); display:grid; place-items:center; font-size:14px; font-weight:700; transition:.18s}
.icobtn:hover{border-color:var(--accent); color:var(--accent); transform:translateY(-1px)}
.icobtn.on{background:var(--ink); color:var(--paper); border-color:var(--ink)}
.burger{flex-direction:column; gap:4px; display:none}
.burger i{display:block; width:16px; height:2px; background:currentColor; border-radius:2px; transition:.22s}
.burger[aria-expanded="true"] i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] i:nth-child(2){opacity:0}
.burger[aria-expanded="true"] i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav{max-width:1240px; margin:0 auto; padding:0 16px 8px; display:flex; gap:4px; overflow-x:auto; scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nv{display:flex; align-items:center; gap:6px; padding:7px 14px; font-size:12.5px; font-weight:800; color:var(--ink3); white-space:nowrap; border-radius:99px; transition:.18s; letter-spacing:.01em}
.nv i{font-style:normal; font-size:12.5px}
.nv:hover{color:var(--ink); background:var(--paper3)}
.nv.on{color:#fff; background:var(--ink)}
html[data-t="dark"] .nv.on{background:var(--accent); color:#fff}

/* ---------- drawer ---------- */
.drawer{position:fixed; inset:0; z-index:900; visibility:hidden}
.drawer.on{visibility:visible}
.drawer-bg{position:absolute; inset:0; background:rgba(10,13,26,.6); opacity:0; transition:.3s; backdrop-filter:blur(3px)}
.drawer.on .drawer-bg{opacity:1}
.drawer-in{position:absolute; right:0; top:0; bottom:0; width:min(360px,88vw); background:var(--paper2); box-shadow:var(--sh-3);
  padding:calc(18px + env(safe-area-inset-top)) calc(18px + env(safe-area-inset-right)) calc(24px + env(safe-area-inset-bottom)) 18px;
  overflow-y:auto; -webkit-overflow-scrolling:touch; overscroll-behavior:contain;
  transform:translateX(100%); transition:transform .34s cubic-bezier(.32,.72,0,1)}
body.menu-open{overflow:hidden}
.drawer.on .drawer-in{transform:none}
.drawer-top{display:flex; justify-content:space-between; align-items:center; margin-bottom:14px}
.drawer-h{font-family:var(--font-en); font-weight:800; letter-spacing:.2em; font-size:11px; color:var(--ink3)}
.drawer-x{font-size:26px; line-height:1; color:var(--ink3); width:40px; height:40px; border-radius:12px}
.drawer-x:hover{background:var(--paper3)}
.dnv{display:grid; grid-template-columns:30px 1fr; gap:0 11px; width:100%; text-align:left; padding:11px 10px; border-radius:14px; transition:.18s; text-decoration:none}
.dnv:hover{background:var(--accent-soft)}
.dnv:focus-visible{outline:2px solid var(--accent); outline-offset:2px}
.dnv.on{background:var(--ink); color:var(--paper)}
.dnv.on small{color:rgba(255,255,255,.72)}
html[data-t="dark"] .dnv.on{background:var(--accent); color:#fff}
html[data-t="dark"] .dnv.on small{color:rgba(255,255,255,.8)}
.dnv i{grid-row:1/3; font-style:normal; font-size:17px; align-self:center; text-align:center}
.dnv b{font-size:14px}
.dnv small{font-size:10.5px; color:var(--ink3)}
.drawer-sec{font-size:10.5px; font-weight:800; letter-spacing:.16em; color:var(--ink3); margin:20px 0 6px; padding:0 10px}
.dset{display:flex; justify-content:space-between; align-items:center; padding:10px; font-size:13.5px; border-radius:12px}
.dset:hover{background:var(--paper3)}
.dfield{display:block; padding:7px 10px}
.dfield span{display:block; font-size:11px; color:var(--ink3); margin-bottom:4px; font-weight:700}
.dfield input,.dfield select{width:100%; padding:9px 11px; border:1px solid var(--line); border-radius:11px; background:var(--paper); font-size:13px}
.dfield input:focus,.dfield select:focus{outline:0; border-color:var(--accent)}
.dbtn{margin:10px; padding:10px 18px; background:var(--ink); color:var(--paper); border-radius:12px; font-weight:800; font-size:13px; transition:.18s}
.dbtn:hover{opacity:.86}
.drawer-foot{margin-top:26px; padding:14px 10px; border-top:1px solid var(--line); font-size:10.5px; color:var(--ink3)}

/* ---------- layout ---------- */
.wrap{max-width:1240px; margin:0 auto; padding:0 20px 110px}
.view{display:none; animation:fade .38s cubic-bezier(.2,.8,.2,1)}
.view.on{display:block}
@keyframes fade{from{opacity:0; transform:translateY(10px)}}
.page-h{padding:38px 0 18px}
.page-h h2{font-size:clamp(24px,3.6vw,32px); margin:0 0 6px; letter-spacing:-.01em; font-weight:900}
.page-h p{margin:0; color:var(--ink3); font-size:13.5px}
.sec-h{display:flex; align-items:baseline; justify-content:space-between; margin:52px 0 16px; gap:12px; flex-wrap:wrap}
.sec-h h2{font-size:20px; margin:0; position:relative; padding-left:15px; font-weight:900; letter-spacing:-.01em}
.sec-h h2::before{content:""; position:absolute; left:0; top:.3em; width:5px; height:1.05em; background:var(--grad); border-radius:4px}
.sec-h p{margin:0; font-size:12.5px; color:var(--ink3); flex-basis:100%}
.lnk{color:var(--ink3); font-size:12.5px; font-weight:800; text-decoration:none; border-bottom:1.5px solid var(--line); padding-bottom:1px; transition:.18s}
.lnk:hover{color:var(--accent); border-color:var(--accent)}

/* 出現アニメーション */
.rv{opacity:0; transform:translateY(14px)}
.rv.in{opacity:1; transform:none; transition:opacity .55s cubic-bezier(.2,.8,.2,1), transform .55s cubic-bezier(.2,.8,.2,1)}

/* ---------- hero ---------- */
.hero{position:relative; overflow:hidden; background:#0b0e1a; color:#f6f4ef; isolation:isolate}
.hero-bg{position:absolute; inset:0; z-index:-1;
  background-image:
    radial-gradient(ellipse 70% 60% at 82% 4%, rgba(147,51,234,.62), transparent 62%),
    radial-gradient(ellipse 60% 55% at 96% 62%, rgba(224,65,122,.42), transparent 60%),
    radial-gradient(ellipse 70% 70% at 2% 96%, rgba(13,148,136,.4), transparent 62%),
    radial-gradient(ellipse 60% 50% at 30% 0%, rgba(109,59,255,.3), transparent 60%);
  animation:drift 22s ease-in-out infinite alternate;
}
.hero::before{content:""; position:absolute; inset:0; z-index:-1; opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 90% 80% at 50% 40%, #000 30%, transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 90% 80% at 50% 40%, #000 30%, transparent 78%);
}
@keyframes drift{to{transform:translate3d(-2.5%,2%,0) scale(1.07)}}
.hero-in{position:relative; max-width:1240px; margin:0 auto; padding:76px 20px 66px}
.hero-eyebrow{display:inline-flex; align-items:center; gap:9px; font-family:var(--font-en); font-size:10.5px; letter-spacing:.24em; font-weight:600; margin:0 0 20px;
  padding:6px 15px; border-radius:99px; background:rgba(255,255,255,.07); border:1px solid rgba(255,255,255,.15); backdrop-filter:blur(6px); color:#e5e0f5}
.hero-t{font-size:clamp(31px,6vw,60px); line-height:1.2; margin:0 0 20px; font-weight:900; letter-spacing:-.028em}
.hero-t b{font-weight:900; background:linear-gradient(100deg,#c4b0ff,#ff9ec4 65%,#7ee6d8); -webkit-background-clip:text; background-clip:text; color:transparent}
.hero-d{max-width:680px; font-size:14.5px; line-height:1.95; color:rgba(246,244,239,.8); margin:0 0 26px}
.hero-d b{color:#fff; font-weight:700}
.hero-btns{display:flex; gap:11px; flex-wrap:wrap; margin-bottom:26px}
.btn{padding:13px 24px; border-radius:99px; font-weight:800; font-size:14px; transition:.22s cubic-bezier(.2,.8,.2,1); white-space:nowrap; display:inline-flex; align-items:center; gap:8px; letter-spacing:.01em; text-decoration:none}
.btn-p{background:var(--grad); color:#fff; box-shadow:var(--glow); background-size:150% 150%}
.btn-p:hover{transform:translateY(-2px); box-shadow:0 14px 34px rgba(109,59,255,.46); background-position:100% 0}
.btn-s{background:rgba(255,255,255,.08); color:inherit; border:1px solid rgba(255,255,255,.22); backdrop-filter:blur(6px)}
.btn-s:hover{background:rgba(255,255,255,.16); transform:translateY(-2px)}
.view:not(#v-home) .btn-s,.gdoc .btn-s,.promo .btn-s{background:var(--paper2); border-color:var(--line); color:var(--ink)}
.view:not(#v-home) .btn-s:hover,.gdoc .btn-s:hover,.promo .btn-s:hover{background:var(--ink); color:var(--paper); border-color:var(--ink)}
.btn:disabled{opacity:.45; cursor:not-allowed; transform:none!important}
.hero-quick{display:flex; align-items:center; gap:8px; flex-wrap:wrap; font-size:12.5px}
.hero-quick span{color:rgba(246,244,239,.55); margin-right:2px; font-weight:700}
.qchip{padding:7px 15px; border-radius:99px; border:1px solid rgba(255,255,255,.2); background:rgba(255,255,255,.05); font-size:12.5px; font-weight:700; transition:.18s; color:rgba(246,244,239,.9)}
.qchip:hover{background:#fff; color:#0b0e1a; border-color:#fff; transform:translateY(-2px)}
.hero-badges{display:flex; gap:7px; flex-wrap:wrap; margin-top:24px}
.hbadge{font-size:10.5px; font-weight:800; padding:5px 13px; border-radius:99px; background:rgba(255,255,255,.07); border:1px solid rgba(255,255,255,.16); letter-spacing:.04em; color:rgba(246,244,239,.85)}

/* ---------- stats ---------- */
.stats{display:grid; grid-template-columns:repeat(4,1fr); gap:12px; margin-top:-34px; position:relative; z-index:2}
.stat{background:var(--paper2); border:1px solid var(--line); border-radius:var(--r); padding:20px 14px; text-align:center; box-shadow:var(--sh-2); transition:.22s}
.stat:hover{transform:translateY(-3px)}
.stat b{display:block; font-family:var(--font-en); font-size:30px; font-weight:800; line-height:1.1; letter-spacing:-.02em;
  background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent}
.stat span{font-size:11px; color:var(--ink3); font-weight:700; letter-spacing:.03em}

/* ---------- cards ---------- */
.grid{display:grid; gap:16px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--paper2); border:1px solid var(--line); border-radius:var(--r); padding:18px; cursor:pointer;
  transition:transform .24s cubic-bezier(.2,.8,.2,1), box-shadow .24s, border-color .24s; position:relative; display:flex; flex-direction:column; overflow:hidden; text-align:left; text-decoration:none}
.card::before{content:""; position:absolute; left:0; right:0; top:0; height:3px; background:var(--c,var(--accent)); opacity:0; transition:.24s}
.card::after{content:""; position:absolute; right:-40px; top:-40px; width:120px; height:120px; border-radius:50%;
  background:radial-gradient(circle, var(--c,var(--accent)) 0%, transparent 68%); opacity:.06; transition:.3s}
.card:hover{transform:translateY(-5px); box-shadow:var(--sh-2); border-color:color-mix(in srgb,var(--c,var(--accent)) 42%, var(--line))}
.card:hover::before{opacity:1}
.card:hover::after{opacity:.14; transform:scale(1.25)}
.card-top{display:flex; gap:5px; align-items:center; flex-wrap:wrap; margin-bottom:10px}
.pill{font-size:10px; font-weight:800; padding:3.5px 10px; border-radius:99px; letter-spacing:.03em; white-space:nowrap; line-height:1.5}
.pill-cat{background:color-mix(in srgb,var(--c) 13%, transparent); color:var(--c)}
html[data-t="dark"] .pill-cat{background:color-mix(in srgb,var(--c) 22%, transparent); color:color-mix(in srgb,var(--c) 70%, #fff)}
.pill-user{background:var(--ink); color:var(--paper)}
.pill-user.learner{background:var(--teal); color:#fff}
.pill-aud{background:var(--paper3); color:var(--ink3)}
.pill-lv{color:var(--gold); font-size:10.5px; letter-spacing:.12em}
.card h3{margin:0 0 4px; font-size:15.5px; line-height:1.52; font-weight:800; letter-spacing:-.005em}
.card .en{font-size:11px; color:var(--ink3); font-weight:600; font-family:var(--font-en); margin-bottom:9px; letter-spacing:.03em}
.card .aim{font-size:12.5px; line-height:1.78; color:var(--ink2); flex:1;
  display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden}
.card-foot{display:flex; justify-content:space-between; align-items:center; margin-top:13px; padding-top:11px; border-top:1px solid var(--line2); gap:8px}
.card-tags{display:flex; gap:4px; flex-wrap:wrap; font-size:10px; color:var(--ink3); min-width:0}
.card-tags i{font-style:normal; background:var(--paper3); padding:2px 8px; border-radius:99px; white-space:nowrap; font-weight:700}
.card-acts{display:flex; gap:3px; flex:none}
.iact{width:30px; height:30px; border-radius:9px; display:grid; place-items:center; font-size:13px; color:var(--ink3); transition:.18s}
.iact:hover{background:var(--paper3); color:var(--accent); transform:scale(1.1)}
.iact.on{color:var(--gold)}
.iact.copy:hover{background:var(--accent); color:#fff}
.empty{grid-column:1/-1; text-align:center; padding:64px 20px; color:var(--ink3); font-size:13.5px; border:1.5px dashed var(--line); border-radius:var(--r-l); background:var(--paper2)}
.empty b{display:block; color:var(--ink); font-size:17px; margin-bottom:8px; font-weight:900}
.more{text-align:center; margin-top:28px}
.more.off{display:none}

/* ---------- category grid ---------- */
.catgrid{display:grid; grid-template-columns:repeat(4,1fr); gap:12px}
.catcard{background:var(--paper2); border:1px solid var(--line); border-radius:var(--r); padding:17px; text-align:left; transition:.24s cubic-bezier(.2,.8,.2,1); position:relative; overflow:hidden}
.catcard:hover{transform:translateY(-4px); box-shadow:var(--sh-2); border-color:color-mix(in srgb,var(--c) 45%,var(--line))}
.catcard i{font-style:normal; font-size:19px; display:grid; place-items:center; width:40px; height:40px; border-radius:13px; margin-bottom:11px;
  background:color-mix(in srgb,var(--c) 13%, transparent); transition:.24s}
.catcard:hover i{transform:scale(1.08) rotate(-6deg)}
.catcard b{display:block; font-size:13.5px; font-weight:800; margin-bottom:2px}
.catcard small{color:var(--ink3); font-size:11px; display:block; line-height:1.62}
.catcard em{font-style:normal; font-family:var(--font-en); font-size:11px; font-weight:700; color:var(--c); display:block; margin-top:8px; letter-spacing:.02em}
.catcard::after{content:"→"; position:absolute; right:16px; top:20px; color:var(--c); opacity:0; transform:translateX(-6px); transition:.24s; font-size:14px}
.catcard:hover::after{opacity:.7; transform:none}

/* ---------- 2つの教室（ホーム） ---------- */
.roomblock{border:1px solid var(--line); border-radius:var(--r-l); background:var(--paper2); padding:18px; margin-bottom:16px;
  border-top:3px solid var(--c)}
.roomblock-h{display:flex; align-items:center; gap:12px; margin-bottom:14px; flex-wrap:wrap}
.roomblock-h b{font-family:var(--font-en); font-size:12.5px; font-weight:800; color:var(--c); letter-spacing:.02em}
.roomblock-h .lnk{margin-left:auto}
.roomtag{display:inline-flex; align-items:center; gap:8px; font-size:15px; font-weight:900; letter-spacing:-.01em}
.roomtag i{font-style:normal; display:grid; place-items:center; width:32px; height:32px; border-radius:11px;
  background:color-mix(in srgb,var(--c) 14%, transparent); font-size:16px}
.roomblock .catgrid{grid-template-columns:repeat(4,1fr)}

/* ---------- 教室の中のカテゴリー一覧 ---------- */
.catgroup{margin-bottom:22px}
.catgroup-h{font-size:12.5px; font-weight:800; color:var(--ink3); margin:0 0 10px; letter-spacing:.04em;
  display:flex; align-items:center; gap:10px}
.catgroup-h::after{content:""; flex:1; height:1px; background:var(--line)}

/* ---------- tag cloud / scenes ---------- */
.tagcloud{display:flex; flex-wrap:wrap; gap:8px}
.tcl{padding:8px 16px; border-radius:99px; border:1px solid var(--line); background:var(--paper2); font-size:12.5px; font-weight:700; transition:.2s}
.tcl:hover{background:var(--ink); color:var(--paper); border-color:var(--ink); transform:translateY(-2px)}
.tcl b{font-family:var(--font-en); color:var(--ink3); font-size:10.5px; margin-left:6px; font-weight:600}
.tcl:hover b{color:rgba(255,255,255,.55)}
.scene{background:var(--paper2); border:1px solid var(--line); border-radius:var(--r); padding:18px; text-align:left; transition:.24s cubic-bezier(.2,.8,.2,1); position:relative; overflow:hidden}
.scene::before{content:""; position:absolute; left:0; top:0; bottom:0; width:4px; background:var(--c); transition:.24s}
.scene:hover{transform:translateY(-4px); box-shadow:var(--sh-2)}
.scene:hover::before{width:7px}
.scene b{display:block; font-size:14.5px; margin-bottom:5px; font-weight:800}
.scene p{margin:0; font-size:12.5px; color:var(--ink3); line-height:1.7}

/* ---------- promo ---------- */
.promo{margin-top:60px; display:grid; grid-template-columns:104px 1fr; gap:22px; align-items:center;
  background:var(--grad-soft); border:1px solid var(--line); border-radius:var(--r-l); padding:32px; position:relative; overflow:hidden}
.promo::after{content:""; position:absolute; right:-70px; bottom:-70px; width:230px; height:230px; border-radius:50%; background:var(--grad); opacity:.09}
.promo-i{font-size:60px; text-align:center; position:relative}
.promo-b{position:relative}
.promo-b h3{margin:0 0 9px; font-size:21px; font-weight:900; letter-spacing:-.015em}
.promo-b p{margin:0 0 18px; font-size:13.5px; color:var(--ink2); line-height:1.9}

/* ---------- search ---------- */
.searchbar{position:relative; margin-bottom:18px}
.searchbar input{width:100%; padding:17px 50px 17px 22px; border:1.5px solid var(--line); border-radius:99px; background:var(--paper2); font-size:15.5px; transition:.22s; box-shadow:var(--sh-1)}
.searchbar input:focus{outline:0; border-color:var(--accent); box-shadow:0 0 0 4px var(--accent-soft)}
.sbtn{position:absolute; right:10px; top:50%; transform:translateY(-50%); width:34px; height:34px; border-radius:50%; color:var(--ink3); font-size:18px; transition:.18s}
.sbtn:hover{background:var(--paper3); color:var(--ink)}
.facets{display:flex; flex-direction:column; gap:10px; margin-bottom:22px; padding:18px 20px; background:var(--paper2); border:1px solid var(--line); border-radius:var(--r)}
.frow{display:flex; align-items:flex-start; gap:12px; flex-wrap:wrap}
.flabel{flex:none; width:76px; font-size:11px; font-weight:800; color:var(--ink3); padding-top:6px; letter-spacing:.06em}
.fchips{display:flex; gap:6px; flex-wrap:wrap; flex:1}
.fc{padding:5.5px 13px; border-radius:99px; border:1px solid var(--line); background:var(--paper); font-size:11.5px; font-weight:700; color:var(--ink2); transition:.16s}
.fc:hover{border-color:var(--ink3); transform:translateY(-1px)}
.fc.on{background:var(--ink); color:var(--paper); border-color:var(--ink)}
.fc.on.acc{background:var(--grad); border-color:transparent; color:#fff; box-shadow:0 3px 12px rgba(109,59,255,.3)}
.resbar{display:flex; justify-content:space-between; align-items:center; gap:12px; margin-bottom:18px; font-size:13px; color:var(--ink3); flex-wrap:wrap}
.resbar b{font-family:var(--font-en); font-size:22px; font-weight:800; letter-spacing:-.02em;
  background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent}
.resbar-r{display:flex; gap:9px; align-items:center; flex-wrap:wrap}
#sortSel{padding:7px 12px; border:1px solid var(--line); border-radius:99px; background:var(--paper2); font-size:12px; font-weight:700}
.mini{padding:7px 14px; border-radius:99px; border:1px solid var(--line); font-size:11.5px; font-weight:800; background:var(--paper2); transition:.18s; white-space:nowrap; text-decoration:none; display:inline-flex; align-items:center; gap:5px}
.mini:hover{background:var(--ink); color:var(--paper); border-color:var(--ink); transform:translateY(-1px)}
.mini.acc{background:var(--grad); color:#fff; border-color:transparent; box-shadow:0 3px 12px rgba(109,59,255,.28)}
.mini.acc:hover{opacity:.9; transform:translateY(-1px)}

/* ---------- detail modal ---------- */
.modal{position:fixed; inset:0; z-index:800; visibility:hidden}
.modal.on{visibility:visible}
.modal-bg{position:absolute; inset:0; background:rgba(10,13,26,.66); opacity:0; transition:.3s; backdrop-filter:blur(4px)}
.modal.on .modal-bg{opacity:1}
.modal-in{position:absolute; right:0; top:0; bottom:0; width:min(900px,100vw); background:var(--paper); box-shadow:var(--sh-3); overflow-y:auto; transform:translateX(100%); transition:.36s cubic-bezier(.32,.72,0,1)}
.modal.on .modal-in{transform:none}
.md-hd{position:sticky; top:0; z-index:3; background:color-mix(in srgb,var(--paper) 86%, transparent); backdrop-filter:blur(14px); border-bottom:1px solid var(--line2); padding:16px 24px; display:flex; justify-content:space-between; align-items:flex-start; gap:14px}
.md-hd h2{margin:0 0 3px; font-size:20px; line-height:1.42; font-weight:900; letter-spacing:-.01em}
.md-hd .en{font-size:11px; color:var(--ink3); font-family:var(--font-en); font-weight:600; letter-spacing:.04em}
.md-x{font-size:22px; line-height:1; color:var(--ink3); flex:none; width:36px; height:36px; border-radius:50%; transition:.18s}
.md-x:hover{background:var(--paper3); color:var(--ink); transform:rotate(90deg)}
.md-body{padding:22px 24px 140px}
.md-meta{display:flex; gap:6px; flex-wrap:wrap; margin-bottom:18px}
.md-goal{background:var(--paper2); border:1px solid var(--line); border-left:4px solid var(--c,var(--accent)); border-radius:var(--r-s); padding:16px 18px; font-size:13.5px; line-height:1.9; margin-bottom:22px}
.md-goal b{display:block; font-size:10px; color:var(--ink3); letter-spacing:.14em; margin-bottom:5px; font-weight:800}

/* 長さ切替 */
.lenbar{display:flex; gap:7px; margin-bottom:12px; flex-wrap:wrap}
.lenb{flex:1; min-width:126px; padding:12px 14px; border-radius:14px; border:1.5px solid var(--line); background:var(--paper2); text-align:left; transition:.2s}
.lenb:hover{border-color:var(--ink3); transform:translateY(-2px)}
.lenb.on{border-color:transparent; background:var(--grad); color:#fff; box-shadow:var(--glow)}
.lenb b{display:block; font-size:13.5px; font-weight:800}
.lenb small{display:block; font-size:10px; color:var(--ink3); line-height:1.55}
.lenb.on small{color:rgba(255,255,255,.78)}
.lenb em{font-style:normal; font-family:var(--font-en); font-size:9.5px; font-weight:700; color:var(--accent); letter-spacing:.12em}
.lenb.on em{color:rgba(255,255,255,.7)}

/* 貼り付け先AI */
.aibar{display:flex; align-items:center; gap:7px; flex-wrap:wrap; margin-bottom:14px; font-size:11.5px; color:var(--ink3)}
.aibar>span{font-weight:800; letter-spacing:.06em}
.aic{padding:5.5px 13px; border-radius:99px; border:1px solid var(--line); background:var(--paper2); font-size:11.5px; font-weight:700; transition:.16s}
.aic:hover{border-color:var(--teal)}
.aic.on{background:var(--teal); color:#fff; border-color:var(--teal)}
.aic.tokyo.on{background:var(--accent-3); border-color:var(--accent-3)}

/* プロンプト本文 */
.promptbox{position:relative; background:var(--paper2); border:1.5px solid var(--line); border-radius:16px; overflow:hidden; margin-bottom:16px}
.promptbox-hd{display:flex; justify-content:space-between; align-items:center; padding:10px 12px 10px 16px; border-bottom:1px solid var(--line2); background:var(--paper3); gap:8px; flex-wrap:wrap}
.promptbox-hd span{font-size:10.5px; font-weight:800; color:var(--ink3); letter-spacing:.1em; font-family:var(--font-en)}
.promptbox-hd .n{color:var(--accent)}
.promptbox pre{margin:0; padding:18px 20px; font-family:var(--font-mono); font-size:12.5px; line-height:1.9; white-space:pre-wrap; word-break:break-word; max-height:50vh; overflow-y:auto; color:var(--ink)}
.promptbox.full pre{max-height:none}
.copybig{width:100%; padding:17px; border-radius:99px; background:var(--grad); color:#fff; font-weight:800; font-size:15px; display:flex; align-items:center; justify-content:center; gap:9px; box-shadow:var(--glow); transition:.22s cubic-bezier(.2,.8,.2,1); margin-bottom:12px; background-size:150% 150%}
.copybig:hover{transform:translateY(-2px); box-shadow:0 14px 34px rgba(109,59,255,.45); background-position:100% 0}
.copybig.done{background:var(--teal); box-shadow:none}
.md-tools{display:flex; gap:8px; flex-wrap:wrap; margin-bottom:26px}

.md-sec{margin-bottom:26px}
.md-sec h4{margin:0 0 10px; font-size:13.5px; padding-left:13px; border-left:4px solid var(--accent); line-height:1.35; font-weight:800; letter-spacing:.01em}
.md-sec ul{margin:0; padding-left:20px; font-size:13px; line-height:1.9}
.md-sec li{margin:4px 0}
.fillrow{display:grid; grid-template-columns:154px 1fr; gap:9px; align-items:center; margin-bottom:8px}
.fillrow label{font-size:11.5px; font-weight:800; color:var(--ink3)}
.fillrow input{padding:9px 13px; border:1.5px solid var(--line); border-radius:11px; background:var(--paper2); font-size:13.5px; width:100%; transition:.18s}
.fillrow input:focus{outline:0; border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-soft)}
.fillnote{font-size:11px; color:var(--ink3); margin:8px 0 14px; line-height:1.75}
.followlist{display:flex; flex-direction:column; gap:7px}
.followb{text-align:left; padding:12px 15px; border:1px solid var(--line); border-radius:13px; background:var(--paper2); font-size:12.5px; transition:.2s; display:flex; align-items:center; gap:10px}
.followb:hover{border-color:var(--accent); background:var(--accent-soft); transform:translateX(3px)}
.followb i{font-style:normal; color:var(--accent); font-weight:800; flex:none}
.related{display:grid; grid-template-columns:1fr 1fr; gap:10px}
.relb{text-align:left; padding:13px 15px; border:1px solid var(--line); border-radius:13px; background:var(--paper2); font-size:12.5px; font-weight:700; line-height:1.55; transition:.2s}
.relb:hover{border-color:var(--accent); transform:translateY(-3px); box-shadow:var(--sh-1)}
.relb small{display:block; font-weight:400; color:var(--ink3); font-size:10.5px; margin-top:3px}

/* ---------- AI ---------- */
.ai-tabs{display:flex; gap:7px; margin-bottom:22px; overflow-x:auto; scrollbar-width:none; padding-bottom:2px}
.ai-tabs::-webkit-scrollbar{display:none}
.aitab{padding:9px 18px; font-size:13px; font-weight:800; color:var(--ink3); white-space:nowrap; border-radius:99px; border:1px solid var(--line); background:var(--paper2); transition:.2s}
.aitab:hover{border-color:var(--ink3)}
.aitab.on{color:#fff; background:var(--ink); border-color:var(--ink)}
.aipane{display:none; animation:fade .3s}
.aipane.on{display:block}
.genform{display:grid; grid-template-columns:repeat(3,1fr); gap:14px; margin-bottom:18px; padding:22px; background:var(--paper2); border:1px solid var(--line); border-radius:var(--r)}
.gf{display:flex; flex-direction:column; gap:5px; font-size:12px}
.gf-wide{grid-column:1/-1}
.gf span{font-weight:800; color:var(--ink3); font-size:11px; letter-spacing:.03em}
.gf span b{color:var(--accent-3); font-size:9.5px; margin-left:5px}
.gf select,.gf input,.gf textarea{padding:11px 13px; border:1.5px solid var(--line); border-radius:12px; background:var(--paper); font-size:14px; width:100%; resize:vertical; transition:.18s}
.gf select:focus,.gf textarea:focus,.gf input:focus{outline:0; border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-soft)}
.chips{display:flex; gap:7px; flex-wrap:wrap}
.vchip{padding:6.5px 14px; border-radius:99px; border:1px solid var(--line); background:var(--paper); font-size:11.5px; font-weight:700; transition:.16s}
.vchip:hover{border-color:var(--accent)}
.vchip.on{background:var(--grad); color:#fff; border-color:transparent; box-shadow:0 3px 12px rgba(109,59,255,.28)}
.genbtns{display:flex; gap:11px; align-items:center; flex-wrap:wrap; margin-bottom:26px}
.genout:empty{display:none}
.aiout{background:var(--paper2); border:1px solid var(--line); border-radius:var(--r); padding:26px 28px; margin-bottom:16px; font-size:14px; line-height:1.95; position:relative}
.aiout h3{margin:0 0 6px; font-size:19px; font-weight:900}
.aiout h4{margin:22px 0 8px; font-size:15px; padding-left:12px; border-left:4px solid var(--accent); line-height:1.35; font-weight:800}
.aiout h5{margin:16px 0 5px; font-size:13.5px; font-weight:800}
.aiout ul,.aiout ol{margin:8px 0; padding-left:22px}
.aiout li{margin:4px 0}
.aiout p{margin:8px 0}
.aiout code{background:var(--paper3); padding:2px 7px; border-radius:6px; font-size:12.5px; font-family:var(--font-mono)}
.aiout pre{background:var(--paper3); border:1px solid var(--line); border-radius:14px; padding:16px; overflow-x:auto; font-family:var(--font-mono); font-size:12.5px; line-height:1.85; white-space:pre-wrap; word-break:break-word}
.aiout strong{color:var(--accent)}
.aiout hr{border:0; border-top:1px solid var(--line2); margin:20px 0}
.aiout table{width:100%; border-collapse:collapse; margin:12px 0; font-size:12.5px}
.aiout th,.aiout td{border:1px solid var(--line); padding:7px 10px; text-align:left}
.aiout th{background:var(--paper3); font-weight:800}
.aiout-tools{display:flex; gap:8px; margin-top:20px; padding-top:16px; border-top:1px solid var(--line2); flex-wrap:wrap}
.thinking{display:flex; align-items:center; gap:11px; padding:26px; color:var(--ink3); font-size:13.5px}
.thinking i{width:8px; height:8px; border-radius:50%; background:var(--accent); animation:bl 1.1s infinite}
.thinking i:nth-child(2){animation-delay:.16s}
.thinking i:nth-child(3){animation-delay:.32s}
@keyframes bl{0%,60%,100%{opacity:.22; transform:translateY(0) scale(.85)}30%{opacity:1; transform:translateY(-5px) scale(1)}}
.aihero{background:#0b0e1a; color:#f5f2ff; border-radius:var(--r-l); padding:30px 32px; margin-bottom:24px; position:relative; overflow:hidden; isolation:isolate}
.aihero::before{content:""; position:absolute; inset:0; z-index:-1;
  background-image:radial-gradient(ellipse 70% 80% at 88% 10%, rgba(147,51,234,.6), transparent 62%),
                   radial-gradient(ellipse 60% 70% at 5% 95%, rgba(224,65,122,.4), transparent 62%)}
.aihero::after{content:"🤖"; position:absolute; right:22px; top:16px; font-size:88px; opacity:.12}
.aihero h3{margin:0 0 10px; font-size:22px; position:relative; font-weight:900; letter-spacing:-.015em}
.aihero p{margin:0 0 4px; font-size:13.5px; line-height:1.9; color:rgba(245,242,255,.82); max-width:660px; position:relative}
.aihero p b{color:#fff}
.aihero .exline{font-family:var(--font-mono); font-size:12px; background:rgba(255,255,255,.09); border:1px solid rgba(255,255,255,.14); border-radius:10px; padding:9px 14px; margin-top:14px; display:inline-block; position:relative}

/* chat */
.chat{min-height:320px; max-height:56vh; overflow-y:auto; padding:8px 2px 14px; display:flex; flex-direction:column; gap:14px}
.msg{max-width:min(86%,780px); padding:14px 18px; border-radius:20px; font-size:14px; line-height:1.9; white-space:pre-wrap; word-break:break-word}
.msg.ai{background:var(--paper2); border:1px solid var(--line); align-self:flex-start; border-bottom-left-radius:6px}
.msg.me{background:var(--ink); color:var(--paper); align-self:flex-end; border-bottom-right-radius:6px}
.msg.rich{white-space:normal}
.msg.rich p{margin:.5em 0}
.msg.rich p:first-of-type{margin-top:0}
.msg.rich p:last-child{margin-bottom:0}
.msg.rich h4{margin:14px 0 5px; font-size:14.5px; color:var(--accent); font-weight:800}
.msg.rich ul,.msg.rich ol{margin:7px 0; padding-left:20px}
.msg.rich pre{background:var(--paper3); border:1px solid var(--line); border-radius:12px; padding:13px; font-family:var(--font-mono); font-size:12px; white-space:pre-wrap; word-break:break-word}
.msg.rich table{width:100%; border-collapse:collapse; margin:9px 0; font-size:12.5px}
.msg.rich th,.msg.rich td{border:1px solid var(--line); padding:6px 9px}
.chip-row{display:flex; gap:7px; flex-wrap:wrap; margin:10px 0}
.chatbar{display:flex; gap:9px; align-items:flex-end; border-top:1px solid var(--line2); padding-top:14px}
.chatbar textarea{flex:1; padding:13px 16px; border:1.5px solid var(--line); border-radius:18px; background:var(--paper2); font-size:14px; resize:none; max-height:150px; transition:.18s}
.chatbar textarea:focus{outline:0; border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-soft)}
.sendbtn{padding:13px 24px; border-radius:99px; background:var(--grad); color:#fff; font-weight:800; font-size:14px; flex:none; box-shadow:var(--glow); transition:.2s}
.sendbtn:hover{transform:translateY(-1px)}

/* ---------- guide ---------- */
.gdoc{max-width:840px; font-size:14px; line-height:2}
.gdoc h3{margin:40px 0 12px; font-size:20px; padding-left:14px; border-left:5px solid transparent; border-image:var(--grad) 1; font-weight:900; letter-spacing:-.01em}
.gdoc h4{margin:24px 0 6px; font-size:15px; font-weight:800}
.gdoc p{margin:11px 0}
.gdoc ul,.gdoc ol{padding-left:24px}
.gdoc li{margin:6px 0}
.gdoc code{background:var(--paper2); border:1px solid var(--line); padding:2px 7px; border-radius:6px; font-size:12.5px; font-family:var(--font-mono)}
.gdoc pre{background:var(--paper2); border:1px solid var(--line); border-radius:16px; padding:18px; font-family:var(--font-mono); font-size:12.5px; line-height:1.9; white-space:pre-wrap; overflow-x:auto}
.gdoc blockquote{margin:18px 0; padding:16px 20px; border-left:4px solid var(--gold); background:var(--gold-soft); border-radius:0 14px 14px 0; font-size:13px; line-height:1.9}
.gdoc table{width:100%; border-collapse:collapse; margin:16px 0; font-size:13px; overflow:hidden; border-radius:12px}
.gdoc th,.gdoc td{border:1px solid var(--line); padding:9px 12px; text-align:left}
.gdoc th{background:var(--paper2); font-weight:800}

/* ---------- rooms（先生／学ぶ人） ---------- */
.troom{display:grid; grid-template-columns:repeat(3,1fr); gap:14px; margin-bottom:14px}
.tcard{background:var(--paper2); border:1px solid var(--line); border-radius:var(--r); padding:22px; text-align:left; transition:.24s cubic-bezier(.2,.8,.2,1); position:relative; overflow:hidden}
.tcard::after{content:""; position:absolute; right:-50px; bottom:-50px; width:150px; height:150px; border-radius:50%; background:var(--grad); opacity:0; transition:.3s}
.tcard:hover{transform:translateY(-5px); box-shadow:var(--sh-2); border-color:color-mix(in srgb,var(--accent) 38%,var(--line))}
.tcard:hover::after{opacity:.07}
.tcard i{font-style:normal; font-size:24px; display:grid; place-items:center; width:52px; height:52px; border-radius:16px; background:var(--grad-soft); margin-bottom:12px; position:relative; transition:.24s}
.tcard:hover i{transform:scale(1.07) rotate(-5deg)}
.tcard b{display:block; font-size:15.5px; margin-bottom:5px; font-weight:800; position:relative; letter-spacing:-.005em}
.tcard small{color:var(--ink3); font-size:12px; line-height:1.7; display:block; position:relative}
.tcard em{font-style:normal; display:inline-block; margin-top:11px; font-size:11px; font-weight:800; color:var(--accent); position:relative; letter-spacing:.02em}
.banner{background:var(--paper2); border:1px solid var(--line); border-left:5px solid var(--accent); border-radius:0 var(--r) var(--r) 0; padding:18px 22px; font-size:13px; line-height:1.95; margin-bottom:24px}
.banner b{color:var(--ink); font-weight:800}

/* ---------- toast / fab ---------- */
#toast{position:fixed; left:50%; bottom:28px; transform:translate(-50%,24px); background:var(--ink); color:var(--paper); padding:13px 26px; border-radius:99px; font-size:13.5px; font-weight:800; opacity:0; pointer-events:none; transition:.28s cubic-bezier(.2,.8,.2,1); z-index:9000; box-shadow:var(--sh-3); max-width:90vw; text-align:center}
#toast.on{opacity:1; transform:translate(-50%,0)}
.fab{position:fixed; right:20px; bottom:20px; z-index:600; display:flex; flex-direction:column; gap:9px; align-items:flex-end}
.fabb{padding:13px 20px; border-radius:99px; background:var(--grad); color:#fff; font-weight:800; font-size:13px; box-shadow:var(--sh-3); display:flex; align-items:center; gap:7px; transition:.22s}
.fabb:hover{transform:translateY(-3px)}

/* ---------- footer ---------- */
.ft{background:#0b0e1a; color:#a8b1cc; padding:52px 20px 34px; font-size:12.5px; position:relative; overflow:hidden}
.ft::before{content:""; position:absolute; inset:0; background-image:radial-gradient(ellipse 60% 100% at 80% 0%, rgba(109,59,255,.2), transparent 65%)}
.ft-in{max-width:1240px; margin:0 auto; position:relative}
.ft h4{color:#fff; font-size:10.5px; letter-spacing:.18em; margin:0 0 12px; font-family:var(--font-en); font-weight:600}
.ft-cols{display:grid; grid-template-columns:repeat(5,1fr); gap:24px; margin-bottom:32px}
.ft a{color:#a8b1cc; text-decoration:none; display:block; padding:2.5px 0; line-height:1.7; transition:.15s}
.ft a:hover{color:#fff; transform:translateX(3px)}
.ft-b{border-top:1px solid rgba(255,255,255,.1); padding-top:20px; display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap; opacity:.7; font-size:11.5px}

/* ---------- responsive ---------- */
@media(max-width:1000px){
  .burger{display:flex}
  .g3,.catgrid,.troom,.roomblock .catgrid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .genform{grid-template-columns:repeat(2,1fr)}
  .ft-cols{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:720px){
  body{font-size:14.5px}
  .nav{display:none}
  .burger{display:flex}
  .hd-home span{display:none}
  .hd-home{padding:0 11px}
  .hero-in{padding:48px 20px 44px}
  .hero-t{letter-spacing:-.02em}
  .stats{margin-top:-24px; gap:9px}
  .stat{padding:15px 10px}
  .stat b{font-size:24px}
  .g3,.g2,.catgrid,.troom,.related,.genform,.roomblock .catgrid{grid-template-columns:1fr}
  .roomblock{padding:14px}
  .card .aim{-webkit-line-clamp:2}
  .promo{grid-template-columns:1fr; text-align:center; padding:26px}
  .flabel{width:100%; padding-top:0}
  .facets{padding:15px}
  .fillrow{grid-template-columns:1fr; gap:5px}
  .md-body{padding:18px 16px 130px}
  .md-hd{padding:14px 16px}
  .lenb{min-width:calc(50% - 4px)}
  .modal-in{width:100vw}
  .ft-cols{grid-template-columns:1fr}
  .sec-h{margin:38px 0 14px}
  .dnv{padding:13px 12px}
  .dnv b{font-size:15px}
  .dnv small{font-size:11px}
  .drawer-in{width:min(360px,90vw)}
}

/* ---------- print ---------- */
@media print{
  .hd,.nav,.fab,#toast,.md-tools,.lenbar,.aibar,.copybig,.ft,.drawer,.md-x{display:none!important}
  .modal-in{position:static; width:auto; box-shadow:none; transform:none!important; overflow:visible}
  .modal{visibility:visible; position:static}
  .modal-bg{display:none}
  body{background:#fff}
  .promptbox pre{max-height:none}
  .rv{opacity:1!important; transform:none!important}
}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important; animation-iteration-count:1!important; transition-duration:.01ms!important}
  .rv{opacity:1; transform:none}
}

/* =========================================================
   簡素化 v2 — 直感で使えるUI
   ========================================================= */

/* さがす：枠を外して静かに */
.facets{background:transparent; border:0; padding:0; gap:12px; margin-bottom:20px}

/* セグメント（すべて／先生／学ぶ人、長さ切替） */
.seg{display:inline-flex; background:var(--paper3); border-radius:99px; padding:4px; gap:3px; flex-wrap:wrap}
.segb{padding:8px 18px; border-radius:99px; font-size:12.5px; font-weight:800; color:var(--ink3); transition:.18s; white-space:nowrap}
.segb:hover{color:var(--ink)}
.segb.on{background:var(--paper2); color:var(--ink); box-shadow:var(--sh-1)}
html[data-t="dark"] .segb.on{background:var(--accent); color:#fff}
.lenseg .segb{padding:7px 15px; font-size:12px}

/* カテゴリーの列 */
.fcats{display:flex; gap:6px; flex-wrap:wrap}

/* 折りたたみ */
details.fold{border:1px solid var(--line); border-radius:16px; background:var(--paper2); margin:0 0 14px}
details.fold summary{padding:14px 18px; cursor:pointer; font-weight:800; font-size:13px; list-style:none; display:flex; align-items:center; gap:8px; color:var(--ink2); user-select:none}
details.fold summary::-webkit-details-marker{display:none}
details.fold summary::after{content:"▾"; margin-left:auto; color:var(--ink3); transition:.2s}
details.fold[open] summary::after{transform:rotate(180deg)}
.fold-in{padding:2px 18px 16px}
.fadv{margin-top:2px}
.fadv .frow{margin-bottom:10px}

/* ヒーロー：検索と2つの入口 */
.hero-search{display:flex; gap:8px; max-width:580px; margin:0 0 18px}
.hero-search input{flex:1; min-width:0; padding:15px 22px; border-radius:99px; border:0; font-size:15px; background:#fff; color:#0f1222; box-shadow:0 12px 34px rgba(0,0,0,.28)}
.hero-search input::placeholder{color:#8a90a8}
.hero-search input:focus{outline:3px solid rgba(167,139,250,.65)}
.hs-btn{padding:0 26px; border-radius:99px; background:var(--grad); color:#fff; font-weight:800; font-size:14px; box-shadow:var(--glow); transition:.2s; flex:none}
.hs-btn:hover{transform:translateY(-1px)}
.doors{display:flex; gap:12px; flex-wrap:wrap; margin-bottom:10px; max-width:1040px}
.door{flex:1 1 300px; min-width:280px; display:grid; grid-template-columns:46px 1fr; gap:2px 12px; align-items:center; text-align:left; padding:16px 18px; border-radius:20px;
  background:rgba(255,255,255,.07); border:1px solid rgba(255,255,255,.18); backdrop-filter:blur(8px); color:#fff; transition:.2s}
.door:hover{background:rgba(255,255,255,.15); transform:translateY(-2px)}
.door i{grid-row:1/3; font-style:normal; font-size:27px}
.door b{font-size:15.5px}
.door small{font-size:11px; color:rgba(255,255,255,.68)}
.hero-more{margin:0 0 4px; font-size:12.5px; color:rgba(246,244,239,.62)}
.hero-ai-link{color:#fff; font-size:12.5px; font-weight:800; border-bottom:1.5px solid rgba(255,255,255,.4); padding-bottom:1px; transition:.18s}
.hero-ai-link:hover{border-color:#fff}

/* 3ステップ */
.steps{display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-top:-32px; position:relative; z-index:2}
.step{background:var(--paper2); border:1px solid var(--line); border-radius:var(--r); padding:16px 18px; display:grid; grid-template-columns:36px 1fr; gap:1px 13px; align-items:center; box-shadow:var(--sh-2)}
.step i{grid-row:1/3; font-style:normal; width:36px; height:36px; border-radius:50%; background:var(--grad); color:#fff; display:grid; place-items:center; font-family:var(--font-en); font-weight:800; font-size:15px}
.step b{font-size:14.5px}
.step small{font-size:11px; color:var(--ink3)}

/* カード足元 */
.card-aud{font-size:10.5px; color:var(--ink3); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; min-width:0}

/* 詳細画面 */
.md-goal-line{margin:6px 0 0; font-size:12.5px; color:var(--ink3); line-height:1.75}
.copyhint{margin:-4px 0 16px; text-align:center; font-size:11.5px; color:var(--ink3)}
.ctrlrow{display:flex; gap:10px; align-items:center; justify-content:space-between; flex-wrap:wrap; margin-bottom:12px}
.aiselwrap{display:inline-flex; align-items:center; gap:7px; font-size:11.5px; font-weight:800; color:var(--ink3)}
.aiselwrap select{padding:8px 13px; border:1px solid var(--line); border-radius:99px; background:var(--paper2); font-size:12px; font-weight:700}
.aiselwrap select:focus{outline:0; border-color:var(--accent)}
.md-body .fillrow{margin-bottom:8px}

/* AIはらだくんフォーム内の折りたたみ */
.genform details.fold{grid-column:1/-1; margin:0; background:var(--paper)}
.genform.inner{padding:0; border:0; background:transparent; margin:0; gap:12px}

@media(max-width:720px){
  .steps{grid-template-columns:1fr; margin-top:18px; gap:9px}
  .doors{flex-direction:column}
  .door{min-width:0}
  .hero-search{max-width:none}
  .ctrlrow{justify-content:flex-start}
}

/* ---------- 上に戻る ---------- */
#toTop{position:fixed; right:20px; bottom:20px; z-index:600; width:47px; height:47px; border-radius:50%;
  background:var(--ink); color:var(--paper); font-size:18px; font-weight:800; display:grid; place-items:center;
  box-shadow:var(--sh-3); opacity:0; visibility:hidden; transform:translateY(16px);
  transition:opacity .28s, visibility .28s, transform .28s cubic-bezier(.2,.8,.2,1), background .2s}
body.scrolled #toTop{opacity:1; visibility:visible; transform:none}
#toTop:hover{background:var(--accent); color:#fff; transform:translateY(-3px)}
html[data-t="dark"] #toTop{background:var(--accent); color:#fff}
html[data-t="dark"] #toTop:hover{background:var(--accent-2)}
.fab{transition:bottom .28s cubic-bezier(.2,.8,.2,1)}
body.scrolled .fab{bottom:80px}
@media print{#toTop{display:none!important}}