:root { color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", sans-serif; color: #192b40; background: #f7f9fc; font-synthesis: none; }
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.85; }
a { color: #2356b3; text-underline-offset: .22em; overflow-wrap: anywhere; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, summary:focus-visible { outline: 3px solid #2356b3; outline-offset: 5px; border-radius: 4px; }
.skip { position: absolute; top: -80px; left: 16px; padding: 8px 16px; background: white; }
.skip:focus { top: 8px; }
header, main, footer { width: min(100% - 48px, 800px); margin-inline: auto; }
header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-block: 28px; border-bottom: 1px solid #dce4ee; }
.brand { font-size: 23px; font-weight: 750; letter-spacing: -.7px; text-decoration: none; color: #192b40; }
nav { display: flex; flex-wrap: wrap; gap: 20px; font-size: 14px; }
nav a { text-decoration: none; }
nav a[aria-current] { font-weight: 700; text-decoration: underline; }
main { padding-block: 56px 64px; }
.eyebrow { color: #2356b3; font-size: 13px; font-weight: 700; letter-spacing: .12em; margin: 0 0 12px; }
h1 { font-size: clamp(27px, 5vw, 38px); line-height: 1.45; letter-spacing: -.025em; margin: 0 0 18px; overflow-wrap: anywhere; }
h2 { font-size: 20px; line-height: 1.6; margin: 0 0 12px; }
p { margin: 0 0 16px; }
.lead { color: #4b5f76; font-size: 17px; }
.contact { margin-block: 32px 48px; padding: 28px; border: 1px solid #d2e1f7; border-radius: 20px; background: #edf4ff; }
.contact a { font-size: 20px; font-weight: 650; }
.contact p:last-child { margin-bottom: 0; }
.small, .updated { color: #53667c; font-size: 14px; }
details { border-bottom: 1px solid #dce4ee; padding-block: 18px; }
summary { cursor: pointer; font-weight: 650; padding-block: 4px; }
details p { padding-top: 14px; margin-bottom: 6px; }
article section { margin-top: 32px; }
article ul { padding-left: 1.4em; }
footer { padding-block: 24px 36px; border-top: 1px solid #dce4ee; font-size: 13px; color: #53667c; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
@media (max-width: 420px) { header, main, footer { width: calc(100% - 36px); } main { padding-top: 36px; } .contact { padding: 22px; } .contact a { font-size: 18px; } }