:root{--bg:#faf7f0;--card:#ffffff;--text:#2b2620;--text-sub:#6f675c;--border:#e3dccd;--accent:#b3541e;--accent-text:#ffffff;--accent-soft:#f6e3d3;--ok:#2e7d4f;--ng:#b3402e;--hint-bg:#f4efe4;--overlay:rgba(43,38,32,0.55)}@media (prefers-color-scheme:dark){:root{--bg:#1c1a17;--card:#26231f;--text:#efe9df;--text-sub:#a89e8f;--border:#3c372f;--accent:#d97a3d;--accent-text:#1c1a17;--accent-soft:#3a2d22;--ok:#6fbf8f;--ng:#e08373;--hint-bg:#2e2a24;--overlay:rgba(0,0,0,0.6)}}*{box-sizing:border-box;margin:0;padding:0}body,html{background:var(--bg);color:var(--text);font-family:Hiragino Sans,Hiragino Kaku Gothic ProN,Yu Gothic,Noto Sans JP,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}.container{max-width:480px;margin:0 auto;padding:12px 16px 48px}.header{display:flex;align-items:center;justify-content:space-between;padding:8px 0 12px;border-bottom:1px solid var(--border);margin-bottom:16px}.title{font-size:1.3rem;font-weight:800;letter-spacing:.06em}.title small{display:block;font-size:.68rem;font-weight:500;color:var(--text-sub);letter-spacing:.02em}.icon-buttons{display:flex;gap:8px}.icon-btn{border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:10px;padding:6px 10px;font-size:.85rem;cursor:pointer}.puzzle-meta{display:flex;justify-content:space-between;align-items:baseline;color:var(--text-sub);font-size:.85rem;margin-bottom:10px}.hint-list{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}.hint{background:var(--hint-bg);border:1px solid var(--border);border-radius:12px;padding:10px 12px;font-size:.95rem;animation:fadein .35s ease}.hint .hint-label{display:block;font-size:.72rem;font-weight:700;color:var(--accent);margin-bottom:2px}@keyframes fadein{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}.guess-form{display:flex;gap:8px;margin-bottom:8px}.guess-input{flex:1 1;font-size:16px;padding:12px;border:1.5px solid var(--border);border-radius:12px;background:var(--card);color:var(--text);min-width:0}.guess-input:focus{outline:2px solid var(--accent);border-color:transparent}.btn{border:none;border-radius:12px;padding:12px 16px;font-size:.95rem;font-weight:700;cursor:pointer;white-space:nowrap}.btn-primary{background:var(--accent);color:var(--accent-text)}.btn-ghost{background:transparent;color:var(--text-sub);border:1px solid var(--border)}.btn-block{display:block;width:100%;margin-top:8px}.attempts-row{display:flex;align-items:center;justify-content:space-between;margin:10px 0 4px;color:var(--text-sub);font-size:.85rem}.attempt-marks{font-size:1rem;letter-spacing:2px}.feedback{min-height:1.5em;font-size:.9rem;color:var(--ng);margin-bottom:4px}.guess-history{list-style:none;margin-top:8px;display:flex;flex-direction:column;gap:4px}.guess-history li{font-size:.88rem;color:var(--text-sub);background:var(--card);border:1px solid var(--border);border-radius:8px;padding:5px 10px}.result-card{background:var(--card);border:1.5px solid var(--border);border-radius:16px;padding:18px 16px;text-align:center;margin-top:8px;animation:fadein .35s ease}.result-title{font-size:1.05rem;font-weight:800;margin-bottom:8px}.result-title.won{color:var(--ok)}.result-title.lost{color:var(--ng)}.result-answer{font-size:1.35rem;font-weight:800;margin-bottom:2px}.result-reading{color:var(--text-sub);font-size:.9rem;margin-bottom:12px}.countdown{color:var(--text-sub);font-size:.85rem;margin-top:12px}.countdown strong{font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--text)}.toast{position:fixed;left:50%;bottom:32px;transform:translateX(-50%);background:var(--text);color:var(--bg);padding:10px 18px;border-radius:999px;font-size:.9rem;z-index:50;animation:fadein .2s ease}.modal-overlay{position:fixed;inset:0;background:var(--overlay);display:flex;align-items:center;justify-content:center;padding:20px;z-index:40}.modal{background:var(--card);border-radius:16px;max-width:420px;width:100%;max-height:80vh;overflow-y:auto;padding:20px}.modal h2{font-size:1.1rem;margin-bottom:12px}.modal li,.modal p{font-size:.92rem;color:var(--text);margin-bottom:8px}.modal ol{padding-left:1.4em;margin-bottom:8px}.modal .note{color:var(--text-sub);font-size:.8rem}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:8px;gap:8px;margin-bottom:16px;text-align:center}.stat-value{font-size:1.4rem;font-weight:800;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.stat-label{font-size:.7rem;color:var(--text-sub)}.dist-row{gap:8px;margin-bottom:6px;font-size:.85rem}.dist-bar,.dist-row{display:flex;align-items:center}.dist-bar{background:var(--accent-soft);border-radius:6px;height:20px;justify-content:flex-end;padding:0 6px;min-width:24px;font-size:.75rem;font-weight:700;color:var(--text)}.footer-note{margin-top:28px;color:var(--text-sub);font-size:.75rem;text-align:center}