:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  color: #233d4d;
  background: #f6fbfb;
}

* { box-sizing: border-box; }

body { margin: 0; }

main {
  width: min(760px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 72px;
}

article, nav {
  background: #fff;
  border: 1px solid #d7eef1;
  border-radius: 20px;
  padding: clamp(20px, 5vw, 40px);
  box-shadow: 0 12px 32px rgba(35, 61, 77, 0.08);
}

nav { margin-top: 20px; padding: 18px 24px; }

h1 { margin-top: 0; font-size: clamp(1.75rem, 6vw, 2.35rem); line-height: 1.25; }
h2 { margin-top: 2rem; font-size: 1.2rem; }
p, li { color: #405c6a; }
a { color: #087f8c; font-weight: 700; }
.meta { color: #637d89; font-size: 0.9rem; }
.notice { background: #eaf8f8; border-radius: 12px; padding: 14px 16px; }
.links { display: flex; flex-wrap: wrap; gap: 12px 20px; }