body { font-family: 'Geist', system-ui, sans-serif; color: #161514; line-height: 1.6; }
.doc-head { max-width: 720px; margin: 0 auto; padding: 20px 24px; }
.brand { display: inline-flex; align-items: center; gap: 8px; color: #161514; text-decoration: none; font-weight: 600; font-size: 19px; letter-spacing: -0.02em; }
.doc { max-width: 720px; margin: 0 auto; padding: 24px 24px 64px; }
.doc h1 { font-size: 40px; line-height: 1.1; letter-spacing: -0.04em; margin: 16px 0 4px; }
.doc h2 { font-size: 20px; letter-spacing: -0.02em; margin: 36px 0 8px; }
.doc .updated { color: #6E6D6A; margin: 0 0 24px; font-size: 14px; }
.doc p, .doc li { color: #3A3936; font-size: 16px; }
.doc ul { padding-left: 20px; }
.doc li { margin: 6px 0; }
.doc-foot { max-width: 720px; margin: 0 auto; padding: 24px; border-top: 1px solid #ECEAE6; font-size: 13px; color: #6E6D6A; }
@media (max-width: 600px) { .doc h1 { font-size: 32px; } }