:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #07140f;
  color: #effcf4;
}

* { box-sizing: border-box; }

body {
  max-width: 920px;
  min-height: 100vh;
  margin: 0 auto;
  padding: 2rem clamp(1.2rem, 5vw, 4rem) 4rem;
  background: #07140f;
  line-height: 1.65;
}

header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #234535;
}

.brand, a { color: #82efa9; }
.brand { font-weight: 800; text-decoration: none; }
nav { display: flex; flex-wrap: wrap; gap: 1rem; }
nav a { font-size: 0.92rem; }

main { padding-top: 2.4rem; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1.05; margin: 0 0 0.75rem; }
h2 { margin-top: 2.4rem; font-size: 1.35rem; }
p, li { color: #c4d3ca; }
.notice { padding: 1rem 1.2rem; border: 1px solid #4a694f; border-radius: 12px; background: #10261a; color: #c7f5d3; }
footer { margin-top: 3rem; color: #829188; font-size: 0.88rem; }