:root { color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Yu Gothic", Meiryo, sans-serif; color: #173047; background: #fff; font-size: 16px; line-height: 1.85; }
* { box-sizing: border-box; }
body { margin: 0; border-top: 6px solid #117a58; }
header, main, footer { max-width: 58rem; margin: 0 auto; padding-left: 1.5rem; padding-right: 1.5rem; }
header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; padding-top: 1.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid #d7e0e5; }
.brand { color: #12324d; font-weight: 700; text-decoration: none; }
nav { display: flex; flex-wrap: wrap; gap: 1rem; font-size: .95rem; }
a { color: #00644c; text-underline-offset: .2em; overflow-wrap: anywhere; }
a[aria-current="page"] { font-weight: 700; }
a:focus-visible { outline: 3px solid #117a58; outline-offset: 5px; }
main { padding-top: 2rem; padding-bottom: 3rem; }
h1 { font-size: clamp(1.65rem, 4.5vw, 2.2rem); line-height: 1.5; margin: .4rem 0 1rem; overflow-wrap: anywhere; }
h2 { font-size: 1.2rem; margin: 0 0 .7rem; line-height: 1.6; }
p { margin: .65rem 0 1rem; }
.intro { font-size: 1.1rem; }
.eyebrow { color: #00644c; font-size: .95rem; font-weight: 700; margin: 0; }
.updated { color: #506578; font-size: .9rem; }
section { margin-top: 2rem; }
ul { padding-left: 1.4rem; }
li { margin-bottom: .5rem; }
footer { border-top: 1px solid #d7e0e5; padding-top: 1.25rem; padding-bottom: 1.5rem; font-size: .9rem; color: #506578; }
footer p { margin-bottom: 0; }
@media (max-width: 36rem) { header, main, footer { padding-left: 1.1rem; padding-right: 1.1rem; } header { align-items: flex-start; } nav { width: 100%; gap: .8rem; } }