:root { --ink: #1f1f1d; --muted: #6b6b66; --line: #e6e5e1; --accent: #14967a; --bg: #ffffff; }
@media (prefers-color-scheme: dark) { :root { --ink: #eceae6; --muted: #a3a29d; --line: #33322f; --bg: #161615; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 'DM Sans', system-ui, -apple-system, 'Segoe UI', sans-serif; -webkit-font-smoothing: antialiased; }
main { max-width: 680px; margin: 0 auto; padding: 32px 20px 64px; }
h1 { font-size: 30px; line-height: 1.2; letter-spacing: -.02em; margin: 0 0 4px; }
h2 { font-size: 19px; margin: 32px 0 8px; }
p, li { color: var(--ink); }
.meta { color: var(--muted); font-size: 14px; margin-bottom: 24px; }
.note { border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px; color: var(--muted); font-size: 14px; }
a { color: var(--accent); }
ul { padding-left: 22px; }
nav { display: flex; gap: 16px; flex-wrap: wrap; font-size: 14px; margin-bottom: 28px; }