:root{--charcoal:#2b2f31;--charcoal-edge:#3a3f42;--bone:#d9d2c3;--red:#b64a4e;--blue:#5f8ea6;--orange:#d8773a;--back:#d9573b;--gold:#e0b64a;--white:#f4f2ec;--ink:#2b2f31;--ink-faint:#7d7a72;--bg:#1f2224;--panel:#262a2c;--text:#e9e5db;--muted:#a39f95;--good:#7fb27a;--warn:#e0b64a;--bad:#d9573b;--font-ui:system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-cjk:"Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif CJK JP", "Source Han Serif", serif;--card-w:clamp(64px, 17vw, 96px);--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px)}*{box-sizing:border-box}html,body{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:var(--font-ui);-webkit-font-smoothing:antialiased;overscroll-behavior:none;touch-action:manipulation}button,select,input{font:inherit}button{background:var(--panel);color:var(--text);cursor:pointer;border:1px solid #3c4144;border-radius:8px;padding:6px 12px}button.primary{background:var(--red);border-color:var(--red);color:var(--white);font-weight:600}button:disabled{opacity:.45;cursor:default}select,input[type=text]{background:var(--panel);color:var(--text);border:1px solid #3c4144;border-radius:6px;padding:4px 6px}#app{width:100%;min-width:0;height:100dvh;padding-top:var(--safe-top);grid-template:"top""theirhand""board"1fr"commit""hand"/minmax(0,1fr);gap:4px;display:grid;overflow:hidden}.topbar{background:var(--panel);flex-wrap:wrap;grid-area:top;align-items:center;gap:8px;padding:6px 10px;display:flex}.topbar h1{white-space:nowrap;margin:0;font-size:15px;font-weight:600}.topbar h1 .kanji{font-family:var(--font-cjk);color:var(--gold);margin-right:4px}.topbar .status{color:var(--muted);flex:1;min-width:120px;font-size:13px}@media (max-width:600px){.topbar{flex-wrap:nowrap;gap:6px;padding:4px 8px}.topbar h1 .title{display:none}.topbar h1 .kanji{font-size:18px}.topbar 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svg{opacity:.35}.slot.active,.slot.mine:not(.disabled):hover{outline-color:var(--gold)}.slot-label{text-align:center;color:var(--muted);margin-top:2px;font-size:11px;display:block}.aside-pair{flex-direction:column;align-items:center;gap:4px;display:flex}.aside-card{width:calc(var(--card-w) * .7);opacity:.75;text-align:center}.aside-card svg{border-radius:6px;width:100%;display:block}.aside-card.discard{filter:grayscale(.6)}.aside-label{color:var(--muted);font-size:10px;display:block}.commit-row{grid-area:commit;align-items:center;gap:8px;padding:2px 10px;display:flex}.commit-row button.commit{border-radius:10px;flex:1;padding:12px;font-size:16px}.commit-row .hint{color:var(--muted);font-size:12px}.hand{padding:4px 8px calc(40px + var(--safe-bottom));background:var(--panel);grid-area:hand;align-items:flex-end;gap:8px;display:flex}@media (min-width:900px){.hand{padding-bottom:calc(6px + var(--safe-bottom))}}.hand-strip{scroll-snap-type:x proximity;flex:1;gap:8px;min-width:0;padding:6px 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