:root { color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #232a27; background: #f7f8f5; font-synthesis: none; }
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.75; }
header, main, footer { width: min(100% - 40px, 760px); margin-inline: auto; }
header { padding: 32px 0 24px; border-bottom: 1px solid #d9dfd6; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
a { color: #256344; text-underline-offset: 4px; }
a:hover { color: #133a27; }
a:focus-visible { outline: 3px solid #256344; outline-offset: 5px; }
.brand { font-size: 21px; font-weight: 750; letter-spacing: -.6px; text-decoration: none; }
nav { display: flex; gap: 20px; font-size: 14px; flex-wrap: wrap; }
main { padding: 48px 0 40px; }
h1 { margin: 0 0 8px; font-size: clamp(32px, 7vw, 46px); line-height: 1.15; letter-spacing: -1.5px; }
h2 { margin: 32px 0 8px; font-size: 20px; line-height: 1.4; }
p, ul { margin: 12px 0; }
li { margin: 8px 0; }
.meta { color: #59655b; font-size: 14px; margin-bottom: 28px; }
.intro { font-size: 19px; }
.notice { border-left: 3px solid #477957; background: #edf1e9; padding: 12px 20px; margin: 24px 0; }
footer { border-top: 1px solid #d9dfd6; padding: 24px 0 36px; font-size: 14px; color: #59655b; }
@media (max-width: 480px) { main { padding-top: 32px; } nav { gap: 14px; } }