:root {
  color-scheme: light dark;
  --bg: #fafaf9; --ink: #1b2422; --muted: #5d6a66; --line: #d2d8d5; --accent: #0e6b5b;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #161b1a; --ink: #e8ecea; --muted: #a3b0ab; --line: #333d3a; --accent: #6fd0bb; }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.7 system-ui, -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  word-break: keep-all; overflow-wrap: anywhere;
}
main { max-width: 42rem; margin: 0 auto; padding: 48px 16px 64px; }
.eyebrow { margin: 0 0 8px; color: var(--muted); font-size: 14px; }
h1 { margin: 0 0 16px; font-size: 30px; line-height: 1.3; }
h2 { margin: 32px 0 8px; font-size: 18px; line-height: 1.4; }
p { margin: 0 0 12px; }
.lead { font-size: 17px; }
ul { margin: 0 0 12px; padding-left: 20px; }
li { margin-bottom: 6px; }
a { color: var(--accent); }
code { font-size: 14px; }
footer { margin-top: 40px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }