:root { color-scheme: light; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #192b3b; background: #f3f6fa; font-size: 16px; }
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.7; }
header, main, footer { width: min(100% - 2.5rem, 48rem); margin-inline: auto; }
header { padding-block: 2rem 1.25rem; border-bottom: 1px solid #cad5e2; }
.brand { color: #192b3b; font-weight: 750; text-decoration: none; }
nav { display: flex; flex-wrap: wrap; gap: .4rem 1.25rem; margin-top: .8rem; font-size: .9375rem; }
a { color: #164eae; text-underline-offset: .2em; overflow-wrap: anywhere; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid #164eae; outline-offset: 4px; border-radius: 2px; }
[aria-current="page"] { font-weight: 700; }
main { padding-block: 2rem 3rem; }
h1 { font-size: clamp(2rem, 5vw, 2.8rem); line-height: 1.2; letter-spacing: -.035em; margin: 0 0 1.25rem; overflow-wrap: anywhere; }
h2 { margin: 2rem 0 .6rem; font-size: 1.3rem; line-height: 1.35; }
p, ul, ol { margin-top: .6rem; margin-bottom: 1rem; }
ul, ol { padding-left: 1.4rem; }
li + li { margin-top: .4rem; }
.lead { font-size: 1.15rem; }
.note { padding: 1rem 1.25rem; border-left: 4px solid #164eae; background: #e8eff9; }
.meta, footer { color: #4b5e72; font-size: .9375rem; }
footer { padding-block: 1.25rem 2rem; border-top: 1px solid #cad5e2; }
@media (max-width: 480px) { header, main, footer { width: calc(100% - 2rem); } main { padding-top: 1.5rem; } }