:root { color-scheme: light; font-family: system-ui, sans-serif; line-height: 1.65; color: #20252a; background: #f7f8fa; }
* { box-sizing: border-box; }
body { margin: 0; }
header, main, footer { max-width: 800px; margin: auto; padding: 24px; }
header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; border-bottom: 1px solid #d6dce2; }
nav { display: flex; flex-wrap: wrap; gap: 20px; }
a { color: #174ba4; text-underline-offset: 3px; overflow-wrap: anywhere; }
a:focus-visible { outline: 3px solid #a53f00; outline-offset: 4px; }
h1 { font-size: clamp(2rem, 6vw, 3rem); line-height: 1.15; letter-spacing: -.03em; }
h2 { font-size: 1.35rem; line-height: 1.3; margin-top: 2rem; }
p, ul { margin-block: 1rem; }
li + li { margin-top: .5rem; }
.eyebrow { font-size: .9rem; font-weight: 650; color: #4e5968; }
.notice { background: #eaf0f8; padding: 16px 20px; border-left: 4px solid #174ba4; }
footer { border-top: 1px solid #d6dce2; font-size: .9rem; margin-top: 32px; }
@media (max-width: 420px) { header, main, footer { padding: 20px; } }