:root { color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #172a38; background: #f5f7fa; }
* { box-sizing: border-box; }
body { margin: 0; font-size: 16px; line-height: 1.7; }
a { color: #1457a6; text-underline-offset: 3px; overflow-wrap: anywhere; }
a:hover { color: #093b77; }
a:focus-visible { outline: 3px solid #3283e5; outline-offset: 4px; border-radius: 2px; }
.skip { position: absolute; top: -100px; left: 16px; padding: 10px; background: white; z-index: 1; }
.skip:focus { top: 10px; }
header, main, footer { width: min(840px, calc(100% - 40px)); margin: 0 auto; }
header { padding: 30px 0 23px; border-bottom: 1px solid #d7e0e8; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; }
.brand { color: #143c6a; font-size: 23px; font-weight: 750; letter-spacing: -.6px; text-decoration: none; }
nav { display: flex; flex-wrap: wrap; gap: 10px 22px; font-size: 14px; }
nav a[aria-current="page"] { color: #172a38; font-weight: 700; }
main { padding: 44px 0 50px; }
h1 { font-size: clamp(32px, 6vw, 46px); line-height: 1.12; letter-spacing: -1px; margin: 0 0 14px; }
.date { color: #586977; font-size: 14px; margin: 0 0 26px; }
.intro { font-size: 18px; color: #334d60; }
section { margin-top: 32px; }
h2 { font-size: 22px; line-height: 1.3; margin: 0 0 12px; }
p { margin: 10px 0; }
ul, ol { padding-left: 25px; }
li { padding-left: 3px; margin: 9px 0; }
.notice { border-left: 4px solid #2168b8; padding: 12px 20px; background: #eaf1f9; border-radius: 0 8px 8px 0; margin: 26px 0; }
address { font-style: normal; }
footer { border-top: 1px solid #d7e0e8; padding: 24px 0 38px; font-size: 14px; color: #586977; }
@media (max-width: 480px) { header, main, footer { width: calc(100% - 32px); } main { padding-top: 32px; } nav { gap: 8px 16px; } }
@media print { :root { background: white; color: black; } header, main, footer { width: 100%; } .skip, header nav { display: none; } a { color: inherit; } section { break-inside: avoid; } }