:root {
  color-scheme: light;
  --navy: #0b2252;
  --ink: #071426;
  --red: #d41616;
  --muted: #526273;
  --line: #d8e4ec;
  --paper: #fff;
  --soft: #f2f7fb;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.65 "Open Sans", Arial, Helvetica, sans-serif; }
a { color: var(--navy); text-underline-offset: .17em; }
a:hover { color: var(--red); }
a:focus-visible { outline: 3px solid var(--red); outline-offset: 3px; }
.skip-link { position: absolute; top: -100px; left: 12px; z-index: 10; padding: 8px 14px; background: var(--paper); }
.skip-link:focus { top: 12px; }
.content-width { width: min(100% - 48px, 1160px); margin-inline: auto; }
.site-header { border-bottom: 1px solid var(--line); background: #fff; }
.header-inner { width: min(100% - 48px, 1160px); margin-inline: auto; min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; flex: none; }
.brand img { display: block; width: 190px; height: auto; max-height: 56px; object-fit: contain; object-position: left center; }
.header-label { color: var(--muted); font-size: .84rem; font-weight: 700; text-align: right; text-transform: uppercase; }
.page-intro { padding: 54px 0 50px; background: var(--navy); color: #fff; border-bottom: 4px solid var(--red); }
.eyebrow { margin: 0 0 10px; color: #d8e4ec; font-size: .78rem; font-weight: 700; text-transform: uppercase; }
h1 { max-width: 900px; margin: 0; font-size: 36px; line-height: 1.2; font-weight: 700; }
.lead { max-width: 760px; margin: 16px 0 0; color: #e6eff5; font-size: 1.1rem; line-height: 1.5; }
.layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: clamp(48px, 6vw, 104px); align-items: start; padding-block: 46px 90px; }
.contents { position: sticky; top: 24px; padding-top: 12px; border-top: 3px solid var(--red); }
.contents p { margin: 0 0 14px; color: var(--muted); font-size: .78rem; font-weight: 700; text-transform: uppercase; }
.contents ol { margin: 0; padding: 0; list-style: none; }
.contents li { margin: 0 0 11px; line-height: 1.35; }
.contents a { text-decoration: none; font-size: .93rem; font-weight: 600; }
.article { min-width: 0; max-width: 790px; }
.article p { margin: 0 0 18px; }
.opening { padding-bottom: 18px; }
.article section { padding-top: 24px; margin-top: 24px; border-top: 1px solid var(--line); scroll-margin-top: 24px; }
h2 { display: flex; align-items: baseline; gap: 16px; margin: 0 0 23px; color: var(--navy); font-size: 1.48rem; line-height: 1.3; }
h2 span { color: var(--red); font-size: .82rem; font-weight: 700; }
.contact { display: grid; gap: 2px; margin: 25px 0; padding: 17px 0 18px 20px; border-left: 4px solid var(--red); background: var(--soft); }
.contact-label { color: var(--muted); font-size: .78rem; font-weight: 700; text-transform: uppercase; }
.contact-label-secondary { margin-top: 11px; }
.contact a { width: fit-content; overflow-wrap: anywhere; font-size: 1.24rem; font-weight: 700; }
.contact-meta { margin-top: 4px; color: var(--muted); font-size: .9rem; }
.requirements { margin: 8px 0 22px; padding-left: 1.6em; }
.requirements li { padding-left: 7px; margin-bottom: 15px; }
.requirements li::marker { color: var(--red); font-weight: 700; }
.caution { padding: 17px 20px; border-left: 4px solid var(--navy); background: var(--soft); }
.site-footer { padding: 25px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; }

@media (max-width: 760px) {
  .content-width, .header-inner { width: min(100% - 32px, 1160px); }
  .header-inner { min-height: 72px; }
  .brand img { width: 140px; max-height: 48px; }
  .header-label { max-width: 110px; font-size: .67rem; line-height: 1.25; }
  .page-intro { padding: 39px 0 37px; }
  h1 { font-size: 28px; }
  .lead { font-size: 1rem; }
  .layout { display: block; padding-block: 34px 60px; }
  .contents { position: static; margin-bottom: 32px; }
  .contents ol { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px 18px; }
  .contents li { margin: 0; }
  h2 { font-size: 1.27rem; }
}

@media (max-width: 440px) {
  .contents ol { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 4px; }
}