:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #172033;
  background: #f5f6fb;
}

* { box-sizing: border-box; }

body { margin: 0; line-height: 1.65; }

main {
  width: min(100% - 32px, 820px);
  margin: 32px auto;
  padding: clamp(24px, 5vw, 52px);
  background: #fff;
  border: 1px solid #e6e8f0;
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(33, 38, 63, .08);
}

.brand { color: #6941c6; font-weight: 800; text-decoration: none; }
h1 { margin: 14px 0 6px; font-size: clamp(2rem, 7vw, 3.2rem); line-height: 1.08; }
h2 { margin-top: 32px; font-size: 1.2rem; }
p, li { color: #475467; }
.meta { margin-top: 0; color: #667085; font-size: .92rem; }
a { color: #5b3fd6; }
.notice { padding: 16px 18px; border-radius: 14px; background: #f2effc; }
footer { margin-top: 38px; padding-top: 22px; border-top: 1px solid #eaecf0; font-size: .9rem; }
footer a { margin-right: 14px; }

@media (max-width: 560px) {
  main { width: 100%; margin: 0; min-height: 100vh; border: 0; border-radius: 0; }
}