/* AI line academy 作品展（卒業生ポートフォリオ）スタイル
   自己完結・ブランド＝mint #34d399 → sky #38bdf8 / teal #0f766e アクセント / coral 強CTA */
:root{
  --ink:#0f172a; --sub:#475569; --mut:#64748b; --line:#e7ecf1; --cream:#f7fafc;
  --mint:#34d399; --sky:#38bdf8; --teal:#0f766e; --teal-d:#0f5e57; --coral:#fb7185;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;color:var(--ink);background:#fff;line-height:1.85;-webkit-font-smoothing:antialiased}
a{color:var(--teal);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
.work-wrap{max-width:860px}

/* ヘッダー（アカデミー共通） */
.site-top{border-bottom:1px solid var(--line);background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(6px);position:sticky;top:0;z-index:9}
.site-top .wrap{display:flex;align-items:center;justify-content:space-between;height:58px}
.brand{display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:16px;color:#0f172a}
.brand .bmark{width:30px;height:30px;border-radius:9px;object-fit:cover;flex-shrink:0}
.brand .bw b{color:#1d4ed8;font-weight:800}
.brand .bw i{color:#0f766e;font-style:normal}
.nav a{color:var(--sub);font-weight:700;font-size:13px;margin-left:15px}
.nav a:hover{color:var(--teal);text-decoration:none}
.nav .nav-cta{background:var(--teal);color:#fff;padding:7px 14px;border-radius:999px;font-size:12.5px}
.nav .nav-cta:hover{background:var(--teal-d);color:#fff}
@media(max-width:560px){.nav a{margin-left:10px;font-size:12px}.brand{font-size:14px}.brand .bmark{width:26px;height:26px}}

/* ヒーロー見出し */
.sc-hero{padding:38px 0 6px}
.sc-eyebrow{font-size:12.5px;font-weight:800;color:var(--teal);letter-spacing:.08em}
.sc-hero h1{font-size:32px;line-height:1.28;margin:8px 0 8px;letter-spacing:.01em}
.sc-hero h1 .g{background:linear-gradient(90deg,var(--mint),var(--sky));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.sc-hero p{color:var(--sub);margin:0;font-size:15px;max-width:640px}

/* カウンタ */
.counters{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:22px 0 8px}
.counter{border:1px solid var(--line);border-radius:18px;padding:16px 18px;background:linear-gradient(180deg,#f0fdfa,#fff);text-align:center}
.counter .n{font-size:30px;font-weight:900;color:var(--teal-d);line-height:1;font-variant-numeric:tabular-nums}
.counter .l{font-size:12px;color:var(--mut);font-weight:700;margin-top:6px}
@media(max-width:560px){.counter .n{font-size:23px}.counter{padding:13px 10px}}

/* 注目枠（ビギナーストーリーの指定席） */
.feat{position:relative;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:0;border:1px solid #cdeee6;border-radius:24px;overflow:hidden;margin:18px 0 6px;background:#fff;box-shadow:0 10px 30px rgba(15,118,110,.08)}
.feat .feat-thumb{position:relative;min-height:230px;background:#eef8ff center/cover no-repeat}
.feat .feat-thumb.is-fallback{background:linear-gradient(135deg,#0f766e,#38bdf8)}
.feat .feat-ribbon{position:absolute;top:14px;left:14px;background:var(--coral);color:#fff;font-size:12px;font-weight:900;padding:6px 13px;border-radius:999px;box-shadow:0 6px 16px rgba(251,113,133,.4)}
.feat .feat-body{padding:26px 26px 24px;display:flex;flex-direction:column;justify-content:center}
.feat .feat-tags{display:flex;gap:7px;align-items:center;margin-bottom:10px;flex-wrap:wrap}
.feat h2{font-size:23px;line-height:1.4;margin:0 0 8px}
.feat .feat-blurb{font-size:14px;color:var(--sub);margin:0 0 14px}
.feat .feat-meta{font-size:12.5px;color:var(--mut);display:flex;gap:14px;align-items:center;margin-bottom:16px}
@media(max-width:680px){.feat{grid-template-columns:1fr}.feat .feat-thumb{min-height:180px}}

/* 部門タブ */
.cats{display:flex;flex-wrap:wrap;gap:8px;padding:20px 0 8px}
.cat{border:1.5px solid var(--line);background:#fff;color:var(--sub);font-weight:700;font-size:13px;padding:8px 16px;border-radius:999px;cursor:pointer;transition:.15s}
.cat:hover{border-color:var(--mint);color:var(--teal)}
.cat.on{background:var(--teal);border-color:var(--teal);color:#fff}

/* 作品グリッド */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:14px 0 50px}
@media(max-width:860px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:540px){.grid{grid-template-columns:1fr}}
.card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;box-shadow:0 1px 2px rgba(15,23,42,.04);transition:.16s}
.card:hover{box-shadow:0 10px 26px rgba(15,118,110,.12);transform:translateY(-3px);text-decoration:none;border-color:#cdeee6}
.card .c-thumb{aspect-ratio:16/9;background:#eef8ff center/cover no-repeat;position:relative}
.card .c-thumb.is-fallback{background:linear-gradient(135deg,#0f766e,#38bdf8)}
.card .c-thumb .c-fallicon{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.card .c-thumb .c-fallicon img{width:64px;height:64px;object-fit:contain;filter:drop-shadow(0 6px 12px rgba(0,0,0,.18))}
.card .c-body{padding:14px 15px 13px;display:flex;flex-direction:column;flex:1}
.card .c-tags{display:flex;gap:6px;align-items:center;margin-bottom:8px;flex-wrap:wrap}
.card h3{font-size:15.5px;line-height:1.45;margin:0 0 6px;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card .c-blurb{font-size:12.5px;color:var(--mut);margin:0 0 12px;flex:1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card .c-foot{display:flex;gap:14px;align-items:center;font-size:12.5px;color:var(--mut);font-weight:700;border-top:1px solid var(--line);padding-top:10px}
.card .c-foot .heart{color:var(--coral)}
.card .c-foot .who{margin-left:auto;color:var(--teal)}

/* タグ・バッジ */
.tag{font-size:11.5px;font-weight:800;color:var(--teal);background:#d1fae5;padding:3px 9px;border-radius:999px}
.badge{font-size:11px;font-weight:800;padding:3px 9px;border-radius:999px}
.badge-official{background:var(--teal);color:#fff}
.badge-member{background:#eef2f7;color:var(--sub)}
.badge-feat{background:#fff1f2;color:#e11d48}

.empty{grid-column:1/-1;color:var(--mut);padding:36px 0;text-align:center}

/* ===== 詳細ページ ===== */
.crumb{padding:22px 0 6px;font-size:12.5px;color:var(--mut)}
.work-detail{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:24px;align-items:start;padding:8px 0 10px}
.wd-thumb{border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#eef8ff;aspect-ratio:16/9;display:flex;align-items:center;justify-content:center}
.wd-thumb img{width:100%;height:100%;object-fit:cover}
.wd-thumb.is-fallback{background:linear-gradient(135deg,#0f766e,#38bdf8)}
.wd-thumb.is-fallback img{width:auto;max-width:56%;height:auto;object-fit:contain;filter:drop-shadow(0 8px 18px rgba(0,0,0,.22))}
.wd-thumb.img-fail img{display:none}
.wd-tags{display:flex;gap:7px;align-items:center;flex-wrap:wrap;margin-bottom:10px}
.wd-main h1{font-size:26px;line-height:1.35;margin:0 0 10px}
.wd-blurb{font-size:14.5px;color:var(--sub);margin:0 0 12px;line-height:1.85}
.wd-author{font-size:13px;color:var(--mut);font-weight:700;margin:0 0 16px}
.wd-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
@media(max-width:680px){.work-detail{grid-template-columns:1fr}}

.like-btn{font-family:inherit;font-size:15px;font-weight:900;color:var(--coral);background:#fff;border:1.5px solid #fecdd3;border-radius:999px;padding:10px 18px;cursor:pointer;transition:.15s;line-height:1}
.like-btn:hover{background:#fff1f2}
.like-btn.on{background:var(--coral);color:#fff;border-color:var(--coral)}

/* ボタン */
.btn{display:inline-flex;align-items:center;gap:6px;font-weight:800;font-size:14px;padding:11px 18px;border-radius:12px;text-align:center;border:none;cursor:pointer;font-family:inherit}
.btn-primary{background:var(--teal);color:#fff;position:relative;overflow:hidden}
.btn-primary:hover{background:var(--teal-d);text-decoration:none;color:#fff}
.btn-ghost{background:#fff;color:var(--teal);border:1.5px solid var(--teal)}
.btn-ghost:hover{background:#f0fdfa;text-decoration:none}
.btn-coral{background:var(--coral);color:#fff}
.btn-coral:hover{background:#f43f5e;color:#fff;text-decoration:none}
.btn[disabled]{opacity:.55;cursor:default}
.btn .arw{display:inline-block}

/* シェア・通報 */
.share{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:8px 0}
.share .lab{font-size:12px;color:var(--mut);font-weight:700}
.share a,.share button{font-size:12.5px;font-weight:800;color:#fff;padding:7px 13px;border-radius:999px;text-decoration:none;border:none;cursor:pointer;font-family:inherit}
.share a:hover,.share button:hover{opacity:.88;text-decoration:none}
.s-x{background:#000}.s-th{background:#000}.s-copy{background:var(--teal)}
.s-report,.s-del{background:#fff!important;color:var(--mut)!important;border:1.5px solid var(--line)!important}
.s-del{color:#e11d48!important}

/* コメント */
.cmt-sec{padding:14px 0 8px;border-top:1px solid var(--line);margin-top:18px}
.cmt-sec h2{font-size:18px;margin:14px 0 14px}
.cmt-sec h2 span{color:var(--teal);font-weight:900}
.cmt-list{list-style:none;margin:0 0 18px;padding:0;display:flex;flex-direction:column;gap:12px}
.cmt{border:1px solid var(--line);border-radius:14px;padding:13px 15px;background:#fff;position:relative}
.cmt-head{display:flex;gap:10px;align-items:center;margin-bottom:5px}
.cmt-who{font-size:12.5px;font-weight:800;color:var(--teal)}
.cmt-date{font-size:11.5px;color:var(--mut)}
.cmt-body{font-size:14px;color:var(--ink);line-height:1.8;white-space:pre-wrap;word-break:break-word}
.cmt-report{position:absolute;top:11px;right:12px;font-size:11px;font-weight:700;color:var(--mut);background:none;border:none;cursor:pointer}
.cmt-report:hover{color:var(--coral)}
.cmt-empty{list-style:none;color:var(--mut);font-size:13.5px;padding:18px;text-align:center;border:1px dashed var(--line);border-radius:14px}
.cmt-form{display:flex;flex-direction:column;gap:10px;border:1px solid var(--line);border-radius:16px;padding:15px;background:var(--cream)}
.cmt-form textarea{font-family:inherit;font-size:14px;color:var(--ink);border:1.5px solid var(--line);border-radius:12px;padding:11px 13px;width:100%;line-height:1.8;resize:vertical;background:#fff}
.cmt-form textarea:focus{outline:none;border-color:var(--mint);box-shadow:0 0 0 3px rgba(52,211,153,.16)}
.cmt-form-row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.cmt-hint{font-size:11.5px;color:var(--mut)}
.cmt-login{border:1px solid var(--line);border-radius:16px;padding:20px;text-align:center;background:var(--cream)}
.cmt-login p{margin:0 0 12px;color:var(--sub);font-size:13.5px}

/* CTA */
.cta{margin:30px 0 16px;border:1px solid #cdeee6;border-radius:22px;padding:26px 24px;background:linear-gradient(180deg,#f0fdfa,#fff);text-align:center}
.cta h3{margin:0 0 8px;font-size:20px}
.cta p{font-size:14px;color:var(--sub);margin:0 auto 18px;max-width:520px}
.cta-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}

/* フッター */
.site-foot{border-top:1px solid var(--line);background:var(--cream);margin-top:30px}
.site-foot .wrap{padding:26px 20px;font-size:12.5px;color:var(--mut);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.site-foot a{color:var(--sub)}

/* ===== 投稿フォーム ===== */
.post-head{padding:32px 0 6px}
.post-head h1{font-size:26px;margin:0 0 8px}
.post-head p{color:var(--sub);font-size:14px;margin:0}
.pform{display:grid;gap:16px;padding:18px 0 50px;max-width:640px}
.pf{display:flex;flex-direction:column;gap:6px}
.pf label{font-size:13px;font-weight:800;color:var(--teal-d)}
.pf label i{font-style:normal;font-size:11px;font-weight:800;color:var(--coral);margin-left:6px}
.pf label .opt{color:var(--mut);font-weight:700;margin-left:6px}
.pf input,.pf textarea,.pf select{font-family:inherit;font-size:15px;color:var(--ink);border:1.5px solid var(--line);border-radius:12px;padding:11px 13px;width:100%;background:#fff;line-height:1.7}
.pf textarea{resize:vertical}
.pf input:focus,.pf textarea:focus,.pf select:focus{outline:none;border-color:var(--mint);box-shadow:0 0 0 3px rgba(52,211,153,.16)}
.pf .hint{font-size:11.5px;color:var(--mut)}
/* ひとこと：文字カウント＋200字超過の赤ハイライト（テキストエリア重ね合わせ方式） */
.ta-wrap{position:relative}
.ta-mirror{position:absolute;inset:0;margin:0;font-family:inherit;font-size:15px;line-height:1.7;padding:11px 13px;border:1.5px solid transparent;border-radius:12px;width:100%;color:var(--ink);background:#fff;white-space:pre-wrap;word-break:break-word;overflow-wrap:break-word;pointer-events:none;overflow:hidden}
.ta-mirror .over{background:#fee2e2;color:#dc2626;border-radius:2px}
.ta-wrap textarea{position:relative;display:block;min-height:86px;line-height:1.7;background:transparent;color:transparent;caret-color:var(--ink);resize:none;overflow:hidden;white-space:pre-wrap;word-break:break-word;overflow-wrap:break-word}
.ta-wrap textarea::placeholder{color:var(--mut)}
.ta-count{text-align:right;font-size:12px;color:var(--mut);font-weight:700;margin-top:5px}
.ta-count.over{color:#dc2626}
.cat-pick{display:flex;gap:8px;flex-wrap:wrap}
.cat-pick label{display:inline-flex;align-items:center;gap:7px;border:1.5px solid var(--line);border-radius:999px;padding:9px 15px;cursor:pointer;font-size:13.5px;font-weight:700;color:var(--sub);transition:.15s}
.cat-pick label:hover{border-color:var(--mint)}
.cat-pick input{display:none}
.cat-pick input:checked + span{color:var(--teal)}
.cat-pick label:has(input:checked){background:#f0fdfa;border-color:var(--teal);color:var(--teal)}
.og-preview{display:none;gap:13px;align-items:center;border:1px solid var(--line);border-radius:14px;padding:12px;background:var(--cream)}
.og-preview.show{display:flex}
.og-preview img{width:120px;height:72px;object-fit:cover;border-radius:10px;background:#eef8ff;flex-shrink:0}
.og-preview .og-t{font-size:13px;font-weight:700;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.og-preview .og-u{font-size:11.5px;color:var(--mut);margin-top:4px;word-break:break-all}
.pform .err{color:var(--coral);font-size:13px;font-weight:700;display:none}
.pform .err.show{display:block}
.login-gate{border:1px solid var(--line);border-radius:18px;padding:28px;text-align:center;background:var(--cream);margin:24px 0}
.login-gate p{color:var(--sub);margin:0 0 14px}

/* サムネ：アップロード（D&D/クリック）＋おすすめ＋URL */
.thumb-zone{position:relative;border:2px dashed #cdeee6;border-radius:16px;background:#f7fdfc;width:100%;max-width:540px;aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;cursor:pointer;overflow:hidden;transition:.15s}
.thumb-zone:hover,.thumb-zone:focus{border-color:var(--mint);background:#f0fdfa;outline:none}
.thumb-zone.drag{border-color:var(--teal);background:#e6faf6}
.thumb-zone img{width:100%;height:100%;object-fit:cover;display:block}
.tz-ph{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;color:var(--mut);padding:24px}
.tz-ph-ico{font-size:30px}
.tz-ph-t{font-size:14px;font-weight:800;color:var(--teal-d);line-height:1.5}
.tz-ph-s{font-size:11.5px}
.tz-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:8px;min-height:20px}
.tz-status{font-size:12px;font-weight:700;color:var(--teal)}
.tz-clear{font-family:inherit;font-size:12px;font-weight:700;color:var(--mut);background:none;border:none;cursor:pointer;text-decoration:underline}
.tz-clear:hover{color:var(--coral)}
.thumb-url{margin-top:12px;border:1px solid var(--line);border-radius:12px;background:#fff;padding:0 14px}
.thumb-url summary{font-size:12.5px;font-weight:700;color:var(--teal);cursor:pointer;padding:11px 0;list-style:none}
.thumb-url summary::-webkit-details-marker{display:none}
.thumb-url summary::before{content:"▸ ";color:var(--teal)}
.thumb-url[open] summary::before{content:"▾ "}
.thumb-url input{margin-bottom:8px}

/* ===== 管理（モデレーション）===== */
.adm{padding:24px 0 60px}
.adm h1{font-size:22px;margin:0 0 6px}
.adm .sub{color:var(--mut);font-size:13px;margin:0 0 18px}
.adm h2{font-size:16px;margin:26px 0 10px;padding-left:11px;border-left:4px solid var(--teal)}
.adm-row{display:flex;gap:12px;align-items:center;border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:8px;background:#fff;flex-wrap:wrap}
.adm-row.hidden{background:#fef2f2;border-color:#fca5a5}
.adm-row .t{font-weight:700;font-size:14px;flex:1;min-width:180px}
.adm-row .m{font-size:12px;color:var(--mut)}
.adm-row .rc{font-size:12px;font-weight:800;color:#e11d48}
.adm-row button{font-family:inherit;font-size:12px;font-weight:700;border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:6px 12px;cursor:pointer;color:var(--sub)}
.adm-row button:hover{border-color:var(--teal);color:var(--teal)}
.adm-empty{color:var(--mut);font-size:13px;padding:14px 0}

@media(prefers-reduced-motion:no-preference){
  .reveal{opacity:0;transform:translateY(12px);animation:rise .6s ease forwards}
  @keyframes rise{to{opacity:1;transform:none}}
}
@media(max-width:560px){.sc-hero h1{font-size:25px}.wd-main h1{font-size:22px}}