/* Kanji Quiz v3 (A案対応) */
.kq-wrap{--ink:#0f172a;--muted:#64748b;--bg:#ffffff;--brand:#ef4444;--ok:#10b981;--card:#f8fafc;--line:#e2e8f0;max-width:880px;margin:0 auto;padding:18px}
.kq-h1{font-size:clamp(22px,4.8vw,32px);margin:0 0 6px;color:var(--ink);font-weight:800}
.kq-lead{color:var(--muted);margin:0 0 12px}
.kq-hero{border-radius:14px;overflow:hidden;margin:10px 0 14px}
.kq-hero img{width:100%;height:auto;display:block}
.kq-progress{position:sticky;top:0;z-index:5;background:rgba(255,255,255,.9);backdrop-filter:saturate(1.2) blur(6px);border:1px solid var(--line);border-radius:12px;padding:8px 12px;margin:8px 0 14px;display:flex;gap:10px;align-items:center;justify-content:space-between}
.kq-bar{flex:1;height:8px;background:#eef2f7;border-radius:999px;overflow:hidden}
.kq-bar>span{display:block;height:100%;width:0;background:linear-gradient(90deg,#f87171,#ef4444);transition:width .3s}
.kq-score{font-weight:700;color:var(--ink);font-size:14px}
.kq-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px;margin:12px 0;position:relative}
.kq-head{display:flex;align-items:center;gap:12px}
.kq-no{font-weight:800;color:var(--muted);min-width:42px}
.kq-thumb{width:72px;height:72px;border-radius:12px;flex:none;background:#fff;border:1px solid var(--line);display:grid;place-items:center;overflow:hidden}
.kq-thumb img{width:100%;height:100%;object-fit:cover}
.kq-emoji{font-size:36px}
.kq-kanji{font-size:clamp(28px,6vw,44px);font-weight:900;letter-spacing:.06em;color:#0b1324;margin-left:auto}
.kq-actions{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 6px}
.kq-btn{appearance:none;border:0;border-radius:10px;padding:9px 14px;font-weight:700;color:#fff;background:var(--brand);cursor:pointer}
.kq-btn.kq-ok{background:var(--ok)}
.kq-btn.kq-muted{background:#94a3b8}
details.kq-a{background:#fff;border:1px dashed var(--line);border-radius:12px;padding:10px}
details.kq-a>summary{cursor:pointer;font-weight:700;color:var(--brand);list-style:none}
details.kq-a>summary::-webkit-details-marker{display:none}
.kq-body{margin-top:8px;color:var(--ink);font-size:15px}
.kq-chip{display:inline-block;background:#fee2e2;color:#b91c1c;border-radius:999px;padding:2px 8px;font-size:12px;margin:0 6px 0 0}
.kq-next{display:flex;justify-content:flex-end;margin-top:10px}
.kq-next .kq-btn{background:#0ea5e9}
.kq-result{display:none;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;margin:18px 0}
.kq-result h3{margin:0 0 6px}
.kq-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.kq-pill{display:inline-block;background:#111827;color:#fff;border-radius:999px;padding:8px 14px;text-decoration:none}
.kq-ad{background:#f3f4f6;border:1px dashed #d1d5db;border-radius:12px;padding:12px;margin:16px 0;text-align:center;color:#6b7280;font-size:13px}
.kq-actions .kq-btn[disabled]{opacity:.55;cursor:default}
.kq-card.done-ok{border-color:#10b981;box-shadow:0 0 0 2px rgba(16,185,129,.15) inset}
.kq-card.done-na{border-color:#f59e0b;box-shadow:0 0 0 2px rgba(245,158,11,.15) inset}