:root{
  --primary:#0f766e;
  --primary-dark:#115e59;
  --accent:#f59e0b;
  --bg:#f8fafc;
  --text:#0f172a;
  --muted:#64748b;
  --card:#ffffff;
  --line:#e2e8f0;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
}
a{color:inherit;text-decoration:none}
.container{width:min(1080px,calc(100% - 32px));margin:auto}
header{
  position:sticky;top:0;z-index:10;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:68px}
.brand{font-weight:900;font-size:1.25rem;color:var(--primary)}
nav{display:flex;gap:18px;font-size:.95rem;color:#334155}
.hero{
  padding:88px 0 72px;
  background:linear-gradient(135deg,#ecfeff 0%,#f8fafc 55%,#fff7ed 100%);
}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:42px;align-items:center}
.badge{
  display:inline-block;padding:7px 12px;border-radius:999px;
  color:var(--primary-dark);background:#ccfbf1;font-weight:700;font-size:.86rem;
}
h1{font-size:clamp(2.2rem,6vw,4.2rem);line-height:1.1;margin:18px 0}
h2{font-size:clamp(1.7rem,4vw,2.5rem);margin:0 0 18px}
h3{margin-top:28px}
.lead{font-size:1.1rem;color:#475569;max-width:650px}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:0 18px;border-radius:12px;font-weight:800;
  border:1px solid transparent;
}
.btn-primary{background:var(--primary);color:white}
.btn-secondary{background:white;border-color:var(--line)}
.phone{
  width:min(330px,100%);margin:auto;background:#0f172a;padding:12px;border-radius:34px;
  box-shadow:0 25px 60px rgba(15,23,42,.22)
}
.phone-screen{
  min-height:520px;border-radius:24px;padding:28px;
  background:linear-gradient(180deg,#14b8a6,#0f766e);
  color:white;display:flex;flex-direction:column;justify-content:space-between;
}
.phone-logo{font-size:2rem;font-weight:900}
.phone-card{background:rgba(255,255,255,.16);padding:18px;border-radius:18px}
.section{padding:72px 0}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  background:var(--card);border:1px solid var(--line);
  border-radius:18px;padding:24px;box-shadow:0 8px 25px rgba(15,23,42,.05)
}
.card p{color:var(--muted)}
.icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:#ccfbf1;color:var(--primary-dark);font-size:1.25rem;font-weight:900;
}
.info-box{
  padding:20px 22px;border-radius:16px;background:#fff7ed;border:1px solid #fed7aa;
}
.doc{
  width:min(900px,calc(100% - 32px));margin:48px auto;
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:clamp(24px,5vw,52px);
}
/* 약관 전문(원문 그대로) — 줄바꿈을 보존해 표시 */
.doc .fulltext{white-space:pre-wrap;word-break:keep-all;font-size:.98rem}
.doc h1{font-size:clamp(2rem,5vw,3rem)}
.doc h2{font-size:1.35rem;margin-top:38px}
.doc ul{padding-left:22px}
.doc .meta{color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:28px}
footer{padding:34px 0;border-top:1px solid var(--line);background:white;color:#475569;font-size:.92rem}
.footer-grid{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.small-links{display:flex;gap:14px;flex-wrap:wrap}
@media(max-width:780px){
  .hero-grid,.grid-3{grid-template-columns:1fr}
  nav{gap:10px;font-size:.84rem}
  .hero{padding-top:58px}
  .phone{max-width:290px}
}