:root { color-scheme: light dark; --ink: #1d1d1f; --dim: #6e6e73; --line: #d2d2d7; --bg: #fff; --todo: #fff1c2; }
@media (prefers-color-scheme: dark) { :root { --ink: #f2f2f2; --dim: #a1a1a6; --line: #3a3a3c; --bg: #111; --todo: #5a4a00; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.85 "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif; }
nav { display: flex; flex-wrap: wrap; gap: 4px 20px; padding: 14px 20px; border-bottom: 1px solid var(--line); font-size: 14px; }
nav a { color: var(--dim); text-decoration: none; }
nav [aria-current] { font-weight: 600; }
main { max-width: 760px; margin: 0 auto; padding: 24px 20px 48px; }
h1 { font-size: 26px; margin: 16px 0 24px; }
h2 { font-size: 18px; margin: 32px 0 8px; }
h3 { font-size: 16px; margin: 24px 0 8px; }
a { color: inherit; }
table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 10px 8px; border-bottom: 1px solid var(--line); }
tbody th { width: 11em; font-weight: 600; }
thead { display: none; }
mark.todo { background: var(--todo); color: inherit; padding: 0 2px; }
.updated, .note { color: var(--dim); font-size: 13px; margin: 4px 0; }
.updated { margin-top: 40px; }
footer { color: var(--dim); font-size: 12px; text-align: center; padding: 24px; }
@media (max-width: 560px) { tbody th, td { display: block; width: auto; border: 0; padding: 2px 0; } tbody tr { display: block; padding: 10px 0; border-bottom: 1px solid var(--line); } }