:root {
  --bg: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --brand: #482058;
  --brand-soft: #f2eaf7;
  --border: #e5e7eb;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121014;
    --text: #e8e4ec;
    --muted: #a39dab;
    --brand: #c9a3db;
    --brand-soft: #2a2130;
    --border: #2f2935;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 16px 64px;
}

header.site {
  border-bottom: 1px solid var(--border);
}

header.site nav {
  max-width: 760px;
  margin: 0 auto;
  padding: 14px 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  align-items: center;
}

header.site .brand {
  font-weight: 700;
  color: var(--brand);
  text-decoration: none;
  margin-right: auto;
}

header.site a { color: var(--muted); text-decoration: none; }
header.site a:hover { color: var(--brand); }

h1 { font-size: 1.9rem; line-height: 1.25; margin: 0 0 6px; color: var(--brand); }
h2 { font-size: 1.2rem; margin: 32px 0 8px; }
.meta { color: var(--muted); margin: 0 0 24px; font-size: 0.95rem; }

a { color: var(--brand); }

.note {
  background: var(--brand-soft);
  border-radius: 12px;
  padding: 14px 16px;
  margin: 20px 0;
}

table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 0.95rem; }
th, td { text-align: left; vertical-align: top; padding: 10px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }

.table-wrap { overflow-x: auto; }

footer.site {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 16px 40px;
  color: var(--muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
}