:root {
  --paper: #fffdf7;
  --ink: #1f2a44;
  --muted: #5b6478;
  --line: #e6e1d3;
  --sky: #dbeafe;
  --sky-ink: #1d4ed8;
  --yellow: #fef3c7;
  --yellow-ink: #92400e;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard", "Noto Sans KR", "Segoe UI", sans-serif;
  line-height: 1.75;
  word-break: keep-all;
}
main { max-width: 720px; margin: 0 auto; padding: 48px 20px 80px; }
header.site { border-bottom: 1px solid var(--line); }
header.site .inner { max-width: 720px; margin: 0 auto; padding: 16px 20px; display: flex; justify-content: space-between; align-items: center; }
header.site a { color: var(--ink); text-decoration: none; font-weight: 700; }
header.site nav a { color: var(--muted); font-weight: 500; margin-left: 16px; font-size: 14px; }
h1 { font-size: 32px; line-height: 1.3; letter-spacing: -0.5px; margin: 0 0 12px; }
h2 { font-size: 20px; margin: 40px 0 10px; }
h3 { font-size: 16px; margin: 24px 0 6px; }
p, li { color: var(--ink); }
.lead { color: var(--muted); font-size: 17px; margin-bottom: 32px; }
.tag { display: inline-block; background: var(--yellow); color: var(--yellow-ink); font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 20px; margin-bottom: 20px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 22px; margin: 16px 0; }
.card h3 { margin-top: 0; }
table { border-collapse: collapse; width: 100%; font-size: 14px; margin: 12px 0; }
th, td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
th { background: var(--sky); color: var(--sky-ink); font-weight: 700; }
a { color: var(--sky-ink); }
footer { max-width: 720px; margin: 0 auto; padding: 24px 20px 48px; color: var(--muted); font-size: 13px; border-top: 1px solid var(--line); }
.tiles { display: flex; gap: 10px; margin: 28px 0; }
.tiles span { flex: 1; aspect-ratio: 1; display: flex; align-items: center; justify-content: center; font-size: 34px; font-weight: 600; border-radius: 15px; border: 1px solid var(--line); }
.tiles span:nth-child(1) { background: #fef3c7; color: #92400e; }
.tiles span:nth-child(2) { background: #ffedd5; color: #9a3412; }
.tiles span:nth-child(3) { background: #dbeafe; color: #1d4ed8; }
.tiles span:nth-child(4) { background: #dcfce7; color: #166534; }
@media (max-width: 480px) { h1 { font-size: 26px; } .tiles span { font-size: 26px; } }