/* 너느런 정적 페이지 공통 — 앱과 같은 다크 테마, 40~50대 기준 큰 글씨 */
:root { color-scheme: dark; }
* { box-sizing: border-box; }
body {
  margin: 0;
  padding: 40px 24px 56px;
  background: #0E0E10;
  color: #F5F5F5;
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", system-ui, sans-serif;
  font-size: 20px;
  line-height: 1.6;
  word-break: keep-all;
}
main { max-width: 560px; margin: 0 auto; }
h1 { font-size: 30px; line-height: 1.35; margin: 0 0 16px; }
h2 { font-size: 23px; margin: 36px 0 8px; color: #FF6B35; }
p, li { color: #F5F5F5; }
.sub { color: #8E8E93; }
a { color: #FF6B35; }
.center { text-align: center; }
.code {
  font-size: 48px;
  font-weight: 800;
  letter-spacing: 6px;
  margin: 8px 0 24px;
  padding: 20px 8px;
  border-radius: 16px;
  background: #1C1C1F;
  font-variant-numeric: tabular-nums;
}
.btn {
  display: block;
  margin: 14px auto;
  padding: 20px;
  min-height: 64px;
  border-radius: 14px;
  font-size: 22px;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  background: #FF6B35;
  color: #FFFFFF;
}
.btn.secondary { background: #1C1C1F; color: #F5F5F5; border: 1px solid #2C2C2E; }
.btn[hidden] { display: none; }
.card { background: #1C1C1F; border-radius: 16px; padding: 4px 20px 16px; margin: 16px 0; }
table.kv { width: 100%; border-collapse: collapse; margin: 16px 0; background: #1C1C1F; border-radius: 16px; overflow: hidden; }
table.kv caption { text-align: left; font-size: 21px; font-weight: 700; padding: 8px 0; }
table.kv th, table.kv td { padding: 12px 14px; border-top: 1px solid #2C2C2E; vertical-align: top; text-align: left; }
table.kv th { width: 34%; color: #8E8E93; font-weight: 600; }
footer { margin-top: 48px; font-size: 17px; color: #8E8E93; text-align: center; }