:root{--bg:#fff;--fg:#1d1d1f;--muted:#6b6b70;--chord:#c2410c;--line:#e5e5ea;--hl:#fff4d6;--low:#9ca3af;--btn:#f2f2f7;--accent:#2563eb;--danger:#dc2626;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#151517;--fg:#ececf0;--muted:#9a9aa2;--chord:#fb923c;--line:#2c2c31;--hl:#3a3218;--low:#6b7280;--btn:#26262b;--accent:#60a5fa;--danger:#f87171}}*{box-sizing:border-box}body{background:var(--bg);color:var(--fg);margin:0;font:16px/1.5 -apple-system,BlinkMacSystemFont,Hiragino Sans,Noto Sans JP,sans-serif}.page{max-width:760px;margin:0 auto;padding:12px 16px 96px}h1{margin:4px 0;font-size:20px}h2{margin:0 0 8px;font-size:16px}a{color:var(--accent);text-decoration:none}button{background:var(--accent);color:#fff;border:0;border-radius:10px;min-height:40px;padding:0 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g.measure.now{fill:var(--chord);color:var(--chord)}@media (prefers-color-scheme:dark){.score svg{filter:invert(.9)hue-rotate(180deg)}}