/* Catch web — the same light Toss/Apple language as the app. */
:root {
  --ground: #f2f4f6;
  --card: #ffffff;
  --ink: #191f28;
  --sub: #4e5968;
  --faint: #8b95a1;
  --accent: #ff6a2b;
  --accent-weak: rgba(255, 106, 43, 0.1);
  --sh-sm: 0 2px 8px rgba(20, 30, 50, 0.06);
  --sh: 0 12px 40px -16px rgba(20, 30, 50, 0.16), 0 4px 12px rgba(20, 30, 50, 0.06);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { color-scheme: light; }
body {
  font-family: 'Gothic A1', -apple-system, 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  background: var(--ground);
  color: var(--ink);
  letter-spacing: -0.01em;
  line-height: 1.65;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 32px 20px 80px; }
.nav { display: flex; align-items: center; justify-content: space-between; margin-bottom: 40px; }
.brand { display: inline-flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 800; letter-spacing: 0.14em; color: var(--ink); text-decoration: none; }
.brand i { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); }
.nav a.link { color: var(--faint); font-size: 13px; font-weight: 600; text-decoration: none; margin-left: 16px; }
.nav a.link:hover { color: var(--sub); }

h1 { font-size: 34px; font-weight: 800; letter-spacing: -0.03em; line-height: 1.25; }
.meta { color: var(--faint); font-size: 13px; font-weight: 600; margin-top: 8px; }
.doc { background: var(--card); border-radius: 20px; box-shadow: var(--sh-sm); padding: 36px 32px; margin-top: 28px; }
.doc h2 { font-size: 19px; font-weight: 700; letter-spacing: -0.02em; margin: 32px 0 10px; }
.doc h2:first-child { margin-top: 0; }
.doc p, .doc li { color: var(--sub); font-size: 15px; }
.doc ul, .doc ol { padding-left: 22px; margin: 8px 0; }
.doc li { margin: 4px 0; }
.doc table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 14px; }
.doc th, .doc td { text-align: left; padding: 10px 12px; color: var(--sub); }
.doc th { color: var(--ink); font-weight: 700; background: var(--ground); }
.doc tr + tr td { border-top: 1px solid var(--ground); }
.doc a { color: var(--accent); text-decoration: none; font-weight: 600; }
.footer { margin-top: 48px; text-align: center; color: var(--faint); font-size: 12px; font-weight: 600; }
.footer a { color: var(--faint); text-decoration: none; margin: 0 8px; }

/* landing hero */
.hero { text-align: center; padding: 48px 0 8px; }
.hero .kicker { display: inline-flex; gap: 8px; align-items: center; font-size: 12px; font-weight: 800; letter-spacing: 0.14em; color: var(--faint); text-transform: uppercase; padding: 8px 16px; border-radius: 999px; background: var(--card); box-shadow: var(--sh-sm); }
.hero .kicker i { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.hero h1 { font-size: clamp(34px, 7vw, 52px); margin-top: 24px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p { color: var(--sub); font-size: 17px; margin-top: 16px; }
.hero .art { width: 180px; height: 170px; margin: 36px auto 0; border-radius: 28px; background: var(--card); box-shadow: var(--sh); display: flex; align-items: center; justify-content: center; font-size: 84px; }
.cta-row { display: flex; gap: 10px; justify-content: center; margin-top: 36px; flex-wrap: wrap; }
.cta { display: inline-flex; align-items: center; justify-content: center; height: 54px; padding: 0 28px; border-radius: 16px; font-weight: 700; font-size: 16px; text-decoration: none; color: #fff; background: var(--accent); box-shadow: 0 8px 20px -8px rgba(255, 106, 43, 0.55); }
.cta.sec { background: var(--card); color: var(--sub); box-shadow: var(--sh-sm); }
.mini { display: flex; gap: 40px; justify-content: center; margin-top: 44px; }
.mini b { display: block; font-size: 26px; font-weight: 800; letter-spacing: -0.02em; }
.mini span { font-size: 12.5px; color: var(--faint); font-weight: 600; }

@media (max-width: 480px) {
  .doc { padding: 28px 20px; }
}