:root {
  color-scheme: light dark;
  --bg: #f7f6f1;
  --surface: #ffffff;
  --text: #202823;
  --muted: #667069;
  --border: #e1e4df;
  --accent: #c83f34;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}
main {
  width: min(860px, calc(100% - 32px));
  margin: 40px auto;
  padding: clamp(24px, 5vw, 56px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
}
nav { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-bottom: 32px; }
nav a, a { color: var(--accent); }
h1 { font-size: clamp(2rem, 5vw, 3rem); line-height: 1.08; margin: 0 0 12px; }
h2 { margin-top: 34px; font-size: 1.25rem; line-height: 1.3; }
h3 { margin-top: 24px; font-size: 1rem; }
.updated, .muted { color: var(--muted); }
.notice {
  padding: 14px 16px;
  border-left: 4px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 7%, var(--surface));
}
table { width: 100%; border-collapse: collapse; font-size: .94rem; }
th, td { padding: 12px; border: 1px solid var(--border); text-align: left; vertical-align: top; }
footer { margin-top: 42px; padding-top: 20px; border-top: 1px solid var(--border); color: var(--muted); font-size: .88rem; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #121614; --surface: #1c2420; --text: #eef4f0; --muted: #a4b0a9; --border: #344139; --accent: #ff776c; }
}