:root { color-scheme: light; font-family: system-ui, -apple-system, 'Segoe UI', sans-serif; color: #161616; background: #fffaf2; line-height: 1.7; }
* { box-sizing: border-box; }
body { margin: 0; overflow-wrap: anywhere; }
header, main, footer { max-width: 72ch; margin-inline: auto; padding: 24px clamp(16px, 4vw, 32px); }
header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; border-bottom: 2px solid #161616; }
nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
a { color: #a51b0c; text-underline-offset: 3px; }
a:hover { color: #161616; }
a:focus-visible { outline: 3px solid #a51b0c; outline-offset: 4px; border-radius: 2px; }
nav a { display: inline-flex; align-items: center; min-height: 44px; }
.brand { font-size: 1.3rem; font-weight: 900; color: #161616; text-decoration: none; }
.eyebrow { font-size: .8rem; font-weight: 800; letter-spacing: .12em; }
h1 { font-size: clamp(2rem, 6vw, 3rem); line-height: 1.15; margin: 8px 0 24px; }
h2 { font-size: 1.3rem; line-height: 1.35; margin-top: 2em; }
.intro { font-size: 1.15rem; }
.notice { padding: 16px; border-left: 4px solid #a51b0c; background: #ffefd4; }
footer { border-top: 2px solid #161616; padding-bottom: calc(24px + env(safe-area-inset-bottom, 0px)); }
.skip-link { position: absolute; left: 16px; top: -80px; padding: 12px; background: #fffaf2; }
.skip-link:focus { top: 8px; }
@media (max-width: 480px) { header { align-items: flex-start; flex-direction: column; } main { padding-top: 16px; } }
.updated { margin-top: -12px; color: #4a4a50; font-size: .95rem; }
.summary { margin: 24px 0 8px; padding: 4px 20px 8px; border: 2px solid #161616; border-radius: 14px; background: #fff; box-shadow: 0 3px 0 #161616; }
.summary h2 { margin-top: 16px; }
.summary ul { padding-left: 1.2em; }
main ul { padding-left: 1.2em; }
main li + li { margin-top: 8px; }