:root{--bg:#1b1b1b;--appbar-bg:#1b1b1b;--appbar-fg:#fff;--cell:#37311f;--button-fill:#d0b878;--button-label:#fff;--chip-sel-fill:#d0b878;--chip-unsel-fill:#2f2e2a;--chip-label:#fff;--chip-sel-label:#1b1b1b;--text-primary:#fff;--text-secondary:#ffffffb3;--num:#fff;--num-on-block:#00000059;--num-anchor:#6a8aaa;--drag-fill:#4488ff54;--drag-stroke:#48f;--invalid-fill:#f556;--invalid-stroke:#f55;--solved-overlay:#1a1a2ede;--solved-text:#fff;--pill-fill:#4488ff54;--pill-text:#fff;--radius:4px;--cell-gap:5px;--grid-padding:16px;--max-board:550px;--max-content:420px;--font-ui:"Shippori Antique B1", system-ui, sans-serif;--font-brand:"Shippori Mincho B1", serif}@media (prefers-color-scheme:light){:root{--bg:#f2ede4;--appbar-bg:#eae4da;--appbar-fg:#1a1605;--cell:#e0d8c8;--button-fill:#b89050;--button-label:#fff;--chip-sel-fill:#b89050;--chip-unsel-fill:#ddd8ce;--chip-label:#1a1605;--chip-sel-label:#1a1605;--text-primary:#1a1605;--text-secondary:#1a1605b3;--num:#1a1605;--num-on-block:#ffffffb5;--num-anchor:#4a6a8a;--drag-fill:#36c3;--drag-stroke:#36c;--invalid-fill:#ff444445;--invalid-stroke:#c33;--solved-overlay:#f0ebe0ed;--solved-text:#1a1605;--pill-fill:#1a1605;--pill-text:#d0b878}}*,:before,:after{box-sizing:border-box}html,body{margin:0;padding:0;overflow-x:hidden}body{font-family:var(--font-ui);color:var(--text-primary);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility}