:root { --bg: #fbfaf7; --fg: #1d1d1f; --muted: #5f6368; --line: #e3e1dc; --accent: #c2410c; }
@media (prefers-color-scheme: dark) { :root { --bg: #151515; --fg: #ececec; --muted: #a0a0a0; --line: #2e2e2e; --accent: #fb923c; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.7 system-ui, -apple-system, "Segoe UI", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 40px 16px 64px; }
h1 { font-size: 2rem; margin: 0 0 8px; letter-spacing: -0.02em; }
h2 { font-size: 1.15rem; margin: 32px 0 8px; padding-top: 16px; border-top: 1px solid var(--line); }
p, li { margin: 6px 0; }
.lead { font-size: 1.1rem; }
.en { color: var(--muted); font-size: 0.95rem; }
.meta { color: var(--muted); font-size: 0.9rem; }
a { color: var(--accent); }
nav { margin-top: 36px; padding-top: 16px; border-top: 1px solid var(--line); }
nav a { margin-right: 14px; white-space: nowrap; }