:root{--bg:#fbf6e9;--surface:#fff;--surface-2:#f4ecd8;--text:#2a2620;--text-sub:#5f574a;--border:#ddd2b8;--primary:#1f5f5b;--primary-text:#fff;--primary-soft:#dcebe8;--accent:#b8562b;--ok:#2f7d32;--ok-soft:#e3f1e3;--ng:#c62828;--ng-soft:#fbe4e2;--warn:#8a5a00;--warn-soft:#fff1cc;--focus:#1a73e8;--radius:12px;--shadow:0 1px 2px #3c321e14, 0 2px 8px #3c321e0f;--font:system-ui, -apple-system, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", Meiryo, sans-serif;--tile-size:clamp(36px, 10.5vw, 56px);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--text);font-family:var(--font);margin:0;font-size:16px;line-height:1.6;overflow-x:hidden}a{color:var(--primary)}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;overflow:hidden;position:absolute!important}.app{min-height:100vh;min-height:100dvh;padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right);flex-direction:column;display:flex}.site-header{padding:calc(8px + env(safe-area-inset-top)) 16px 8px;background:var(--surface);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:8px;display:flex}.site-title{color:var(--text);white-space:nowrap;font-size:1.05rem;font-weight:800;text-decoration:none}.site-nav{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:4px;display:flex}.site-nav a{min-height:44px;color:var(--text-sub);border-radius:8px;align-items:center;padding:0 10px;font-weight:600;text-decoration:none;display:inline-flex}.site-nav a.active{color:var(--primary);background:var(--primary-soft)}.demo-banner{background:var(--warn-soft);color:var(--warn);border-bottom:1px solid #f0d58a;padding:6px 16px;font-size:.85rem}.page-grid{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:16px}.page-side{display:none}.page-main{min-width:0}.site-footer{padding:16px 16px calc(16px + env(safe-area-inset-bottom));color:var(--text-sub);border-top:1px solid var(--border);flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;font-size:.85rem;display:flex}.site-footer a{align-items:center;min-height:44px;display:inline-flex}@media (min-width:1024px){.page-grid{grid-template-columns:220px minmax(0,1fr) 220px;align-items:start;gap:24px;display:grid}.page-side{display:block;position:sticky;top:16px}.only-narrow{display:none!important}}.btn{border:1px solid var(--border);background:var(--surface);min-height:44px;color:var(--text);font:inherit;cursor:pointer;touch-action:manipulation;border-radius:10px;justify-content:center;align-items:center;gap:6px;padding:0 16px;font-weight:700;text-decoration:none;display:inline-flex}.btn:hover:not(:disabled){background:var(--surface-2)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);border-color:var(--primary);color:var(--primary-text)}.btn-primary:hover:not(:disabled){background:#184c49}.btn-danger{background:var(--ng);border-color:var(--ng);color:#fff}.btn-ghost{color:var(--text-sub);background:0 0;border-color:#0000}.btn-large{min-height:52px;padding:0 24px;font-size:1.05rem}.btn-small{min-height:44px;padding:0 12px;font-size:.9rem}.btn-pass{background:var(--surface-2)}.btn-row{flex-wrap:wrap;gap:8px;display:flex}.sound-toggle{padding:0 10px;font-size:.85rem}.badge{background:var(--primary-soft);color:var(--primary);white-space:nowrap;border-radius:999px;align-items:center;padding:2px 10px;font-size:.8rem;font-weight:700;display:inline-flex}.badge-sub{background:var(--surface-2);color:var(--text-sub)}.badge-ok{background:var(--ok-soft);color:var(--ok)}.badge-wait{background:var(--surface-2);color:var(--text-sub)}.badge-warn{background:var(--warn-soft);color:var(--warn)}.notice{border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:8px;margin:12px 0;padding:12px 16px;display:flex}.notice p{margin:0}.notice-error{background:var(--ng-soft);color:#7f1d1d;border-color:#f2b8b5}.notice-warn{background:var(--warn-soft);color:var(--warn);border-color:#f0d58a}.loading,.empty{text-align:center;color:var(--text-sub);padding:24px}.small-note{color:var(--text-sub);font-size:.85rem}.page-title{margin:8px 0 16px;font-size:1.4rem}.section-title{margin:20px 0 8px;font-size:1.05rem}.segmented{background:var(--surface-2);border-radius:12px;flex-wrap:wrap;gap:4px;padding:4px;display:inline-flex}.segmented button{min-height:44px;font:inherit;color:var(--text-sub);cursor:pointer;background:0 0;border:0;border-radius:9px;padding:0 14px;font-weight:700}.segmented button.is-active{background:var(--surface);color:var(--primary);box-shadow:var(--shadow)}.hero h1{margin:8px 0;font-size:clamp(1.5rem,6vw,2.2rem)}.lead{color:var(--text-sub);margin:0 0 8px}.mode-grid{grid-template-columns:1fr;gap:12px;margin-top:16px;display:grid}@media (min-width:768px){.mode-grid{grid-template-columns:1fr 1fr}}.mode-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);flex-direction:column;gap:8px;padding:16px;display:flex}.mode-card h2{margin:0;font-size:1.15rem}.mode-card p{color:var(--text-sub);flex:1;margin:0}.rules ul{padding-left:1.2em}.game{flex-direction:column;gap:12px;max-width:640px;margin:0 auto;display:flex}.app-compact .page-grid{padding-top:8px}.game-top{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:8px 12px;display:grid}.game-top>.game-heading{grid-column:1/-1}.game-top>.only-narrow{justify-self:end}.game-heading{flex-wrap:wrap;gap:6px;display:flex}.clock{font-variant-numeric:tabular-nums;align-items:baseline;gap:4px;display:flex}.clock-label{color:var(--text-sub);font-size:.8rem}.clock-value{text-align:right;font-variant-numeric:tabular-nums;min-width:4ch;font-size:clamp(1.8rem,9vw,2.6rem);font-weight:800;line-height:1;display:inline-block}.clock-unit{font-size:.9rem}.clock-sub{font-weight:700}.clock-attack{flex-direction:column;align-items:flex-start;gap:0;line-height:1.3}.clock-attack .clock-value,.clock-attack .clock-sub{text-align:left;min-width:7ch;display:inline-block}.clock-total .clock-value{font-size:clamp(1.5rem,7vw,2.2rem)}.clock-low,.clock-low 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#e2cfa4;border-bottom-width:4px;border-radius:10px;justify-content:center;align-items:center;font-weight:800;display:inline-flex}.tiles-sm{--tile-size:clamp(30px, 8.6vw, 48px)}.tiles-xs{--tile-size:clamp(26px, 7.2vw, 42px)}.countdown{color:var(--primary);border-radius:var(--radius);z-index:1;background:#ffffffd9;justify-content:center;align-items:center;font-size:3.5rem;font-weight:900;display:flex;position:absolute;inset:0}.answer-form{grid-template-columns:1fr auto;gap:8px;display:grid}.answer-input{min-width:0;min-height:52px;font:inherit;border:2px solid var(--border);background:var(--surface);color:var(--text);border-radius:10px;padding:0 14px;font-size:1.15rem}.answer-input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #1f5f5b40}.answer-submit{min-height:52px}.answer-feedback{grid-column:1/-1;min-height:1.6em;margin:0;font-weight:700}.fb-wrong{color:var(--ng)}.fb-correct{color:var(--ok)}.fb-info{color:var(--text-sub)}.answer-form.is-wrong .answer-input{border-color:var(--ng);background:var(--ng-soft)}.answer-form.is-correct .answer-input{border-color:var(--ok)}.answer-form.shake .answer-input{animation:.35s shake}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-8px)}40%{transform:translate(7px)}60%{transform:translate(-5px)}80%{transform:translate(3px)}}@media (prefers-reduced-motion:reduce){.answer-form.shake .answer-input{animation:none}}.game-actions{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.duel-bar{grid-template-columns:1fr 1fr;gap:8px;display:grid}.player-card{background:var(--surface);border:2px solid var(--border);border-radius:var(--radius);flex-direction:column;gap:2px;min-width:0;padding:8px 10px;display:flex;position:relative}.player-card.is-turn{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}.player-name{overflow-wrap:anywhere;font-size:.9rem;font-weight:700}.player-clock{font-variant-numeric:tabular-nums;font-variant-numeric:tabular-nums;font-size:clamp(1.4rem,7vw,2rem);font-weight:800}.player-meta{color:var(--text-sub);flex-wrap:wrap;gap:4px 10px;font-size:.8rem;display:flex}.turn-label{background:var(--primary-soft);color:var(--primary);border-radius:999px;align-self:flex-start;padding:0 8px;font-size:.75rem;font-weight:800}.turn-banner{text-align:center;border-radius:10px;padding:6px;font-weight:800}.turn-me{background:var(--primary-soft);color:var(--primary)}.turn-opp{background:var(--surface-2);color:var(--text-sub)}.reveal-line{color:var(--text-sub);text-align:center;margin:0;font-size:.9rem}.scoreboard{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.scoreboard li,.member-list li{background:var(--surface);border:1px solid var(--border);border-radius:10px;flex-wrap:wrap;align-items:center;gap:6px;padding:8px 12px;display:flex}.scoreboard li.is-me,.member-list li.is-me{border-color:var(--primary)}.member-name{overflow-wrap:anywhere;flex:1;min-width:6em;font-weight:700}.points{font-variant-numeric:tabular-nums;font-weight:800}.reveal-box{text-align:center}.reveal-who{color:var(--ok);margin:0;font-weight:800}.reveal-answer{margin:4px 0 0;font-size:1.6rem;font-weight:800}.reveal-answer small{color:var(--text-sub);font-size:.9rem}.room-code-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;align-items:flex-start;gap:8px;padding:16px;display:flex}.room-code-label{color:var(--text-sub);font-size:.8rem}.room-code{letter-spacing:.12em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:clamp(1.6rem,8vw,2.2rem);font-weight:900}.member-list{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.lobby-actions{margin-top:16px}.confirm-inline{background:var(--warn-soft);border-radius:10px;flex-wrap:wrap;align-items:center;gap:8px;margin-top:8px;padding:8px 12px;display:flex}.entry-form{flex-direction:column;gap:16px;max-width:520px;display:flex}.entry-form fieldset{border:0;margin:0;padding:0}.entry-form legend,.field label,.name-form label{margin-bottom:6px;font-weight:700;display:block}.field input,.name-row input{width:100%;min-height:48px;font:inherit;border:2px solid var(--border);background:var(--surface);border-radius:10px;padding:0 12px;font-size:1.05rem}.code-input{letter-spacing:.15em;text-transform:uppercase;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.field-error{color:var(--ng);min-height:1.4em;margin:4px 0 0;font-size:.85rem}.result{max-width:720px;margin:0 auto}.result-title{margin:8px 0}.result-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}.result-main{flex-direction:column;gap:2px;display:flex}.result-label{color:var(--text-sub);font-size:.85rem}.result-score{margin:0;font-size:clamp(1.6rem,7vw,2.4rem);font-weight:900}.result-detail{color:var(--text-sub)}.verify-status{background:var(--surface-2);border-radius:10px;margin-top:12px;padding:10px 12px;font-size:.9rem}.verify-status p{margin:0 0 6px}.status-verified{background:var(--ok-soft);color:var(--ok)}.status-rejected,.status-expired,.status-failed,.status-too_large{background:var(--warn-soft);color:var(--warn)}.register{background:var(--primary-soft);border-radius:var(--radius);margin-top:16px;padding:16px}.register h2{margin:0 0 4px;font-size:1.1rem}.name-row{grid-template-columns:1fr auto;gap:8px;display:grid}.result-actions{margin:16px 0}.review-list{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.review-item{background:var(--surface);border:1px solid var(--border);border-radius:10px;grid-template-columns:auto 1fr;gap:2px 10px;padding:8px 12px;display:grid}.review-outcome{border-radius:999px;grid-row:span 2;align-self:center;padding:2px 8px;font-size:.8rem;font-weight:800}.review-correct .review-outcome{background:var(--ok-soft);color:var(--ok)}.review-pass .review-outcome,.review-unsolved .review-outcome{background:var(--warn-soft);color:var(--warn)}.review-answer{font-weight:800}.review-answer small{color:var(--text-sub);font-weight:400}.review-expl{color:var(--text-sub);font-size:.85rem}.result-table,.ranking-table{border-collapse:collapse;background:var(--surface);width:100%;margin-top:12px}.result-table th,.result-table td,.ranking-table th,.ranking-table td{border-bottom:1px solid var(--border);text-align:left;padding:10px 8px}.ranking-table .rank{white-space:nowrap;width:4.5em;font-weight:800}.ranking-table .name{overflow-wrap:anywhere}.ranking-table .score{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap;font-weight:700}.ranking-table tr.top-1 .rank{color:#b8860b}tr.is-me td{background:var(--primary-soft)}.filters{flex-direction:column;align-items:flex-start;gap:8px;display:flex}@media (min-width:768px){.filters{flex-flow:wrap}}.ad-slot{border:1px dashed 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(max-width:767px){.site-title{font-size:.95rem}.site-nav a,.sound-toggle{padding:0 6px}.result-table th,.result-table td{padding:8px 4px;font-size:.9rem}}.genre-list{grid-template-columns:1fr;gap:12px;margin-bottom:12px;display:grid}@media (min-width:768px){.genre-list{grid-template-columns:repeat(3,1fr)}}.genre-card{text-align:left;background:var(--surface);border:2px solid var(--border);border-radius:var(--radius);min-height:88px;box-shadow:var(--shadow);font:inherit;color:var(--text);cursor:pointer;flex-direction:column;align-items:flex-start;gap:4px;padding:16px;display:flex}.genre-card:hover{border-color:var(--primary)}.genre-name{color:var(--primary);font-size:1.15rem;font-weight:800}.genre-note{color:var(--text-sub);font-size:.85rem}.play-grid{grid-template-columns:1fr;gap:12px;margin-top:16px;display:grid}@media (min-width:768px){.play-grid{grid-template-columns:1fr 1fr}}.play-card{text-align:left;min-height:132px;font:inherit;color:var(--text);background:var(--surface);border:2px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);cursor:pointer;flex-direction:column;align-items:flex-start;gap:6px;padding:22px 20px;display:flex}.play-card:hover{border-color:var(--primary)}.play-title{color:var(--primary);font-size:1.5rem;font-weight:900}.play-modes{font-weight:700}.play-note{color:var(--text-sub);font-size:.85rem}.picker{grid-template-columns:1fr;gap:8px 20px;display:grid}@media (min-width:768px){.picker{grid-template-columns:minmax(200px,1fr) 2fr;align-items:start}.picker .genre-list{grid-template-columns:1fr}}.picker-col{min-width:0}.picker .section-title{margin-top:0}.level-list{grid-template-columns:1fr 1fr;gap:10px;display:grid}@media (min-width:768px){.level-list{grid-template-columns:1fr}}.level-card{text-align:left;min-height:72px;font:inherit;color:var(--text);background:var(--surface);border:2px solid var(--border);border-radius:var(--radius);cursor:pointer;flex-direction:column;align-items:flex-start;gap:2px;padding:12px 14px;display:flex}.level-card.is-active{border-color:var(--primary);background:var(--primary-soft);box-shadow:0 0 0 3px var(--primary-soft)}.share-row{justify-content:center;margin-top:12px;display:flex}.btn-x{color:#fff;background:#000;border-color:#000;gap:8px}.btn-x:hover:not(:disabled){background:#222}.btn-x__logo{fill:currentColor;width:18px;height:18px}