/* 썸로그 사이트. 색은 design-system/tokens.json과 같은 값(밝은 테마 하나만). */
:root {
  --surface: #f1f2f4;
  --surface-raised: #ffffff;
  --line: #e3e5e9;
  --ink: #12131a;
  --ink-muted: #5d626c;
  --brand: #1fd8e6;
  --brand-soft: #d9f8fb;
  --accent: #3a12ea;
  --accent-soft: #ece8ff;
  --font-sans: "Pretendard Variable", "Pretendard", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", system-ui, sans-serif;
  --font-fun: "Bagel Fat One", "Pretendard Variable", sans-serif;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--surface); color: var(--ink); font-family: var(--font-sans); font-size: 16px; line-height: 1.65; word-break: keep-all; overflow-wrap: anywhere; }
a { color: var(--accent); }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }
header.top { background: var(--surface-raised); border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 64px; }
header.top img { height: 28px; display: block; }
header.top nav a { color: var(--ink-muted); text-decoration: none; font-size: 15px; padding: 12px 8px; display: inline-block; }
header.top nav a:hover { color: var(--ink); }
main { padding: 32px 0 56px; }
h1 { font-size: 28px; line-height: 1.3; margin: 0 0 8px; letter-spacing: -0.01em; }
h2 { font-size: 19px; margin: 40px 0 10px; }
h3 { font-size: 16px; margin: 24px 0 8px; }
p, li { color: var(--ink); }
.muted { color: var(--ink-muted); }
.card { background: var(--surface-raised); border-radius: 20px; padding: 24px; }
.table { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 12px 0; }
table { width: 100%; border-collapse: collapse; background: var(--surface-raised); border-radius: 12px; overflow: hidden; font-size: 14.5px; min-width: 520px; }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { background: var(--accent-soft); font-weight: 700; }
tr:last-child td { border-bottom: 0; }
ol, ul { padding-left: 22px; }
.hero { text-align: center; padding: 40px 0 8px; }
.hero img.mark { width: 112px; height: 112px; }
.hero .title { font-family: var(--font-fun); font-size: 44px; line-height: 1.15; margin: 16px 0 4px; font-weight: 400; }
.hero .sub { font-size: 18px; font-weight: 700; margin: 0 0 20px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 22px; border-radius: 9999px; background: var(--brand); color: var(--ink); font-weight: 700; text-decoration: none; }
.steps { display: grid; gap: 12px; margin: 28px 0; }
.steps .card h3 { margin-top: 0; }
footer { border-top: 1px solid var(--line); padding: 28px 0 40px; font-size: 13.5px; color: var(--ink-muted); }
footer a { color: var(--ink-muted); }
footer nav { display: flex; flex-wrap: wrap; gap: 4px 16px; margin-bottom: 12px; }
footer nav a { display: inline-block; padding: 6px 0; }