:root { color-scheme: light; --paper: #f7f5ec; --ink: #28392f; --muted: #59675d; --accent: #365e42; --line: #d9ddcf; }
* { box-sizing: border-box; }
html { scroll-padding-top: 1.5rem; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 17px; line-height: 1.7; }
a { color: var(--accent); text-underline-offset: .18em; text-decoration-thickness: 1px; overflow-wrap: anywhere; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid #a86636; outline-offset: 5px; border-radius: 3px; }
.page-width { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 94px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); text-decoration: none; font-weight: 700; letter-spacing: -.02em; }
.brand-mark { width: 20px; height: 20px; background: #6b865f; border: 3px solid #3c5840; border-radius: 5px; box-shadow: inset 0 0 0 3px var(--paper); flex: 0 0 auto; }
nav { display: flex; gap: 8px; }
nav a { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 13px; text-decoration: none; border-radius: 7px; }
nav a[aria-current="page"] { background: #e6ebdf; font-weight: 650; }
.hero { display: flex; align-items: center; justify-content: space-between; gap: 45px; padding-block: 64px 48px; }
.hero > div { max-width: 740px; }
.eyebrow { margin: 0 0 13px; color: var(--accent); font-size: 13px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
h1 { margin: 0 0 18px; font-size: clamp(36px, 5vw, 60px); line-height: 1.08; letter-spacing: -.045em; font-weight: 680; }
.intro { margin: 0; color: #46564a; font-size: clamp(18px, 2.2vw, 21px); line-height: 1.6; }
.updated { margin: 20px 0 0; color: var(--muted); font-size: 14px; }
.circuit-art { width: 220px; height: 190px; flex: 0 0 auto; }
.policy-layout { display: grid; grid-template-columns: 230px minmax(0, 1fr); align-items: start; gap: 35px; }
.contents { padding-top: 14px; font-size: 14px; }
.contents p { margin: 0 0 12px; font-weight: 700; }
.contents ol { list-style: none; padding: 0; margin: 0; }
.contents a { display: block; padding-block: 7px; text-decoration: none; }
.contents a:hover { text-decoration: underline; }
.policy-card { min-width: 0; padding: 35px 40px; border: 1px solid var(--line); border-radius: 12px; background: #fffef9; }
.policy-card section + section { margin-top: 31px; padding-top: 28px; border-top: 1px solid var(--line); }
h2 { margin: 0 0 14px; font-size: 23px; line-height: 1.3; font-weight: 650; letter-spacing: -.02em; }
p { margin: 0 0 16px; }
section > p:last-child { margin-bottom: 0; }
code { font-size: .9em; overflow-wrap: anywhere; }
strong { font-weight: 650; }
.steps { margin: 0 0 20px; padding-left: 25px; }
.steps li { padding-left: 5px; margin-block: 9px; }
.narrow-page { max-width: 850px; }
.site-footer { display: flex; flex-wrap: wrap; gap: 14px 30px; margin-top: 52px; padding-block: 25px 35px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.site-footer span { margin-right: auto; }
.skip-link { position: absolute; left: 16px; top: -90px; padding: 12px 16px; background: #fffef9; z-index: 1; border: 1px solid var(--accent); border-radius: 6px; }
.skip-link:focus { top: 16px; }
@media (max-width: 850px) {
  .policy-layout { grid-template-columns: 1fr; gap: 23px; }
  .contents { padding-top: 0; }
  .contents ol { display: flex; flex-wrap: wrap; gap: 0 20px; }
  .circuit-art { width: 170px; height: auto; }
}
@media (max-width: 560px) {
  .page-width { width: calc(100% - 36px); }
  .site-header { align-items: flex-start; flex-direction: column; justify-content: center; gap: 8px; padding-block: 16px; }
  nav { margin-left: -10px; }
  .hero { padding-block: 38px 28px; gap: 0; }
  .circuit-art { display: none; }
  .policy-card { padding: 25px 21px; border-radius: 9px; }
  h2 { font-size: 21px; }
  .contents ol { gap: 0 16px; }
  .site-footer { margin-top: 34px; gap: 10px 20px; }
  .site-footer span { flex-basis: 100%; }
}