:root{--surface:oklch(0.985 0.003 80);--surface-2:oklch(0.965 0.005 75);--surface-3:oklch(0.91 0.018 245);--ink:oklch(0.18 0.020 250);--ink-2:oklch(0.42 0.014 250);--ink-3:oklch(0.60 0.012 250);--ink-4:oklch(0.78 0.008 250);--border:oklch(0.91 0.008 250);--border-2:oklch(0.83 0.012 250);--accent:oklch(0.58 0.21 248);--accent-fg:oklch(0.99 0.004 250);--start:oklch(0.58 0.16 150);--goal:oklch(0.58 0.20 25);--danger:oklch(0.58 0.18 25);--warn-bg:oklch(0.96 0.04 60);--warn-fg:oklch(0.42 0.13 50);--ok:oklch(0.55 0.12 155);--shadow-1:0 1px 0 oklch(0.85 0.005 250/.5),0 1px 2px oklch(0.5 0.01 250/.06);--shadow-2:0 1px 0 oklch(0.85 0.005 250/.5),0 18px 48px oklch(0.3 0.04 250/.14);--radius-sm:6px;--radius:10px;--radius-lg:16px}[data-theme=dark]{--surface:oklch(0.18 0.012 250);--surface-2:oklch(0.22 0.014 250);--surface-3:oklch(0.13 0.025 250);--ink:oklch(0.97 0.005 250);--ink-2:oklch(0.78 0.008 250);--ink-3:oklch(0.60 0.010 250);--ink-4:oklch(0.42 0.010 250);--border:oklch(0.30 0.014 250);--border-2:oklch(0.38 0.014 250);--accent:oklch(0.70 0.18 248);--accent-fg:oklch(0.15 0.02 250);--warn-bg:oklch(0.28 0.06 60);--warn-fg:oklch(0.85 0.10 70)}*{box-sizing:border-box}body,html{margin:0;padding:0}body,html{background:var(--surface-3)}body{font-family:Inter,Noto Sans JP,system-ui,sans-serif;color:var(--ink);min-height:100vh;font-size:14px;line-height:1.45;-webkit-font-smoothing:antialiased}.mono{font-family:JetBrains Mono,ui-monospace,monospace;font-feature-settings:"tnum"}.tester-notice{position:-webkit-sticky;position:sticky;top:0;z-index:50;padding:8px 16px;background:var(--warn-bg);color:var(--warn-fg);font-size:12px;line-height:1.4;text-align:center;border-bottom:1px solid oklch(from var(--warn-fg) l c h/.25)}#app{min-height:100vh;display:grid;grid-template-columns:1fr}@media (min-width:920px){#app{max-width:1180px;margin:32px auto;min-height:calc(100vh - 64px);background:var(--surface);border:1px solid 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