:root{--text:#1f2328;--text-muted:#57606a;--bg:#fff;--border:#d0d7de;--accent:#0969da;--warning-bg:#fff8c5;--warning-border:#d4a72c;--block-bg:#ffebe9;--block-border:#cf222e;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font:16px/1.6 system-ui,Segoe UI,Hiragino Sans,Noto Sans JP,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--text:#e6edf3;--text-muted:#9198a1;--bg:#0d1117;--border:#30363d;--accent:#4493f8;--warning-bg:#3b2e00;--warning-border:#9e6a03;--block-bg:#3c1618;--block-border:#f85149}}*{box-sizing:border-box}body{margin:0}#root{max-width:720px;min-height:100svh;margin:0 auto;padding:24px 16px 64px}h1,h2{color:var(--text);font-weight:600}