:root {
  color-scheme: light;
  --ink: #18302c;
  --muted: #52625e;
  --paper: #f6f8f5;
  --card: #ffffff;
  --line: #d8e1dc;
  --accent: #075f50;
  --accent-soft: #e5f3ee;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); line-height: 1.7; }
a { color: var(--accent); text-underline-offset: .18em; }
a:focus-visible { outline: 3px solid #d17d24; outline-offset: 3px; border-radius: 3px; }
.skip-link { position: absolute; left: -9999px; top: 0; z-index: 2; padding: .7rem 1rem; background: white; }
.skip-link:focus { left: .75rem; top: .75rem; }
.shell { width: min(100% - 2rem, 58rem); margin-inline: auto; }
.site-header { border-bottom: 1px solid var(--line); background: var(--card); }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4.2rem; }
.brand { color: var(--ink); font-weight: 750; text-decoration: none; }
.language-nav { display: flex; gap: .8rem; font-size: .95rem; }
main { padding-block: clamp(2rem, 7vw, 4.5rem); }
.eyebrow { color: var(--accent); font-size: .9rem; font-weight: 700; letter-spacing: .04em; }
h1 { max-width: 18ch; margin: .35rem 0 1rem; font-size: clamp(2rem, 7vw, 3.7rem); line-height: 1.14; letter-spacing: -.035em; }
h2 { margin-block: 2.2rem .75rem; font-size: clamp(1.35rem, 4vw, 1.8rem); line-height: 1.3; }
p { max-width: 68ch; }
.lead { color: var(--muted); font-size: 1.1rem; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)); gap: 1rem; margin-top: 1.3rem; }
.card { padding: 1.25rem; background: var(--card); border: 1px solid var(--line); border-radius: 1rem; }
.card h2, .card h3 { margin: 0 0 .45rem; }
.card p { margin: .3rem 0 .9rem; color: var(--muted); }
.link-row { display: flex; flex-wrap: wrap; gap: .5rem 1rem; margin-top: .8rem; }
.button-link { display: inline-flex; align-items: center; min-height: 2.75rem; padding: .5rem .9rem; border-radius: .65rem; background: var(--accent); color: white; font-weight: 700; text-decoration: none; }
.button-link:hover { background: #064d41; }
.notice { margin-top: 1.4rem; padding: 1rem 1.1rem; background: var(--accent-soft); border-left: 4px solid var(--accent); border-radius: .35rem; }
.notice p:first-child { margin-top: 0; }
.notice p:last-child { margin-bottom: 0; }
.contact { margin-top: 1.4rem; padding: 1rem 1.1rem; background: var(--card); border: 1px solid var(--line); border-radius: .8rem; }
footer { padding: 1.5rem 0 2.5rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
@media (max-width: 34rem) {
  .shell { width: min(100% - 1.25rem, 58rem); }
  .header-row { min-height: 3.7rem; }
  .language-nav { gap: .55rem; }
  .card { padding: 1rem; }
}