:root { --bg: #f7f1e8; --card: #fffaf3; --text: #3b2f28; --muted: #7a6a5e; --accent: #c8704f; --line: #e6dccf; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #1f1b18; --card: #2a2420; --text: #efe6dc; --muted: #b5a698; --accent: #e08e6b; --line: #3d342e; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.6 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 24px 16px 48px; }
header { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.brand { font-weight: 800; font-size: 20px; color: var(--accent); text-decoration: none; }
nav a { color: var(--muted); margin-left: 12px; font-size: 14px; }
h1 { font-size: 28px; line-height: 1.25; margin: 16px 0 4px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
h3 { font-size: 17px; margin: 20px 0 6px; }
.stand { color: var(--muted); font-size: 14px; margin: 0 0 24px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; margin: 16px 0; }
a { color: var(--accent); }
ul { padding-left: 22px; }
li { margin: 4px 0; }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
td, th { text-align: left; vertical-align: top; padding: 8px 10px 8px 0; border-bottom: 1px solid var(--line); }
th { font-weight: 700; }
footer { margin-top: 40px; color: var(--muted); font-size: 14px; }