:root {
  color-scheme: light;
  --ink: #18231d;
  --muted: #5e6c64;
  --green: #176b47;
  --blue: #2563a6;
  --line: #dfe6e2;
  --canvas: #f4f7f5;
  --surface: #ffffff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

header, main, footer { width: min(760px, calc(100% - 32px)); margin: 0 auto; }
header { padding: 40px 0 22px; border-bottom: 1px solid var(--line); }
main { padding: 28px 0 48px; }
footer { padding: 20px 0 36px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
h1 { margin: 0 0 6px; font-size: clamp(28px, 7vw, 42px); line-height: 1.15; letter-spacing: 0; }
h2 { margin: 32px 0 8px; font-size: 21px; line-height: 1.35; letter-spacing: 0; }
h3 { margin: 24px 0 6px; font-size: 17px; letter-spacing: 0; }
p, ul { margin: 8px 0 14px; }
ul { padding-left: 22px; }
a { color: var(--blue); text-underline-offset: 3px; }
.brand { color: var(--green); font-weight: 800; }
.muted { color: var(--muted); }
.language-nav { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 14px; }
.notice { margin: 20px 0; padding: 14px 16px; border-left: 4px solid var(--green); background: var(--surface); }
.section { padding-bottom: 14px; }
.divider { margin: 36px 0 8px; border: 0; border-top: 1px solid var(--line); }
.contact { display: inline-flex; align-items: center; min-height: 44px; font-weight: 700; }

@media (max-width: 520px) {
  header { padding-top: 28px; }
  main { padding-top: 20px; }
}