:root {
  color-scheme: light;
  --ink: #153f35;
  --ink-soft: #47645d;
  --paper: #f8f4e9;
  --card: #fffdfa;
  --line: #ded9cc;
  --accent: #c9e3d8;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: #202723; font: 17px/1.7 -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif; }
a { color: var(--ink); font-weight: 700; }
.shell { width: min(760px, calc(100% - 40px)); margin-inline: auto; }
.hero { display: flex; align-items: center; gap: 24px; padding: 64px 0 34px; }
.app-icon { width: 112px; height: 112px; border-radius: 25px; box-shadow: 0 18px 50px rgba(21, 63, 53, .18); }
.eyebrow { margin: 0 0 4px; color: var(--ink-soft); font-size: 14px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
h1 { margin: 0; color: var(--ink); font-size: clamp(36px, 7vw, 58px); line-height: 1.1; letter-spacing: -.04em; }
.lead { margin: 12px 0 0; color: var(--ink-soft); }
.card { padding: 36px; border: 1px solid var(--line); border-radius: 26px; background: var(--card); box-shadow: 0 20px 60px rgba(72, 61, 34, .08); }
h2 { margin: 34px 0 8px; color: var(--ink); font-size: 23px; line-height: 1.35; }
h2:first-child { margin-top: 0; }
.contact { display: inline-block; padding: 10px 16px; border-radius: 12px; background: var(--ink); color: white; text-decoration: none; }
.muted { color: var(--ink-soft); font-size: 15px; }
details { padding: 14px 0; border-top: 1px solid var(--line); }
summary { color: var(--ink); cursor: pointer; font-weight: 800; }
.policy-head { padding: 64px 0 28px; }
.policy p { margin-top: 8px; }
.footer { display: flex; flex-wrap: wrap; gap: 18px; padding: 28px 0 56px; color: var(--ink-soft); font-size: 14px; }
@media (max-width: 560px) { .hero { align-items: flex-start; flex-direction: column; padding-top: 42px; } .app-icon { width: 88px; height: 88px; border-radius: 20px; } .card { padding: 26px 22px; } }