:root { color-scheme: light; font: 17px/1.7 system-ui, sans-serif; color: #172a3b; background: #f3f6fa; }
* { box-sizing: border-box; }
body { margin: 0; }
main { max-width: 820px; margin: 36px auto; padding: 34px; background: white; border: 1px solid #e0e8ee; border-radius: 20px; }
a { color: #076c80; text-underline-offset: 4px; }
nav { display: flex; flex-wrap: wrap; gap: 20px; margin-bottom: 32px; }
h1 { font-size: clamp(28px, 5vw, 42px); line-height: 1.2; letter-spacing: -1px; }
h2 { font-size: 21px; margin-top: 32px; }
p, li { overflow-wrap: anywhere; }
.meta { color: #637789; font-size: 14px; }
.notice { border-inline-start: 4px solid #076c80; padding: 12px 18px; background: #f0fafc; }
details { border-top: 1px solid #e0e8ee; padding-top: 24px; margin-top: 36px; }
summary { cursor: pointer; font-weight: 650; }
@media (max-width: 600px) { main { margin: 0; border: 0; border-radius: 0; padding: 24px 20px; } }
@media print { :root { background: white; font-size: 12px; } main { max-width: none; border: 0; margin: 0; padding: 0; } nav { display: none; } }