:root {
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #173f7c;
  background: #fffdf7;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; }
a:focus-visible { outline: 3px solid #173f7c; outline-offset: 6px; border-radius: 3px; }
.shell { max-width: 1160px; min-height: 100svh; margin: 0 auto; padding: 28px 40px; }
header { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 24px; font-weight: 750; text-decoration: none; }
nav { display: flex; gap: 20px; font-size: 14px; }
nav a { padding: 10px 0; text-decoration: none; }
nav a[aria-current="page"] { font-weight: 700; text-decoration: underline; text-underline-offset: 6px; }
main { max-width: 760px; margin: 0 auto; padding: clamp(72px, 12vh, 140px) 0 64px; text-align: center; }
.hero-mark { display: block; margin: 0 auto 32px; }
.status { display: inline-block; margin: 0 0 24px; padding: 8px 16px; border-radius: 24px; background: #ffc83d; font-size: 14px; font-weight: 700; }
h1 { margin: 0; font-size: clamp(38px, 6vw, 64px); line-height: 1.15; letter-spacing: -0.035em; text-wrap: balance; }
.description { max-width: 590px; margin: 24px auto 0; font-size: 20px; line-height: 1.65; color: #405774; text-wrap: pretty; }
.note { max-width: 540px; margin: 52px auto 0; font-size: 14px; line-height: 1.7; color: #53647a; }
@media (max-width: 540px) {
  .shell { padding: 20px; }
  header { flex-wrap: wrap; gap: 12px; }
  .brand { font-size: 21px; }
  nav { gap: 14px; }
  main { padding-top: 64px; }
  .description { font-size: 18px; }
}