:root {
  --bg: #f8f5ff;
  --card: rgba(255,255,255,.82);
  --text: #241916;
  --muted: #6f6671;
  --brand: #7757f7;
  --brand-dark: #5b3ee8;
  --brand-soft: #eee8ff;
  --line: #e8e1f2;
  --shadow: 0 22px 70px rgba(80, 58, 150, .12);
  --radius: 28px;
  color-scheme: light dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display",
    "Segoe UI", Roboto, "Noto Sans KR", "Noto Sans JP",
    "Noto Sans SC", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(119,87,247,.15), transparent 30%),
    linear-gradient(180deg, var(--bg), #fff 46%);
  line-height: 1.7;
}
a { color: var(--brand); text-decoration-thickness: 1px; }
.container { width: min(1080px, calc(100% - 36px)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(248,245,255,.78);
  border-bottom: 1px solid rgba(232,225,242,.8);
}
.header-inner {
  min-height: 72px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px;
}
.brand {
  display: inline-flex; align-items: center; gap: 12px;
  color: var(--text); text-decoration: none; font-weight: 800; font-size: 21px;
}
.brand-mark {
  width: 40px; height: 40px; border-radius: 14px;
  display: grid; place-items: center; color: #fff; font-weight: 900;
  background: linear-gradient(135deg, #8d73ff, #6847f1);
  box-shadow: 0 10px 24px rgba(104,71,241,.28);
}
.nav { display:flex; align-items:center; gap:18px; flex-wrap:wrap; }
.nav a { color: var(--muted); text-decoration:none; font-weight:700; font-size:14px; }
.nav a:hover { color:var(--brand); }
.lang-switcher { display:flex; gap:6px; flex-wrap:wrap; }
.lang-switcher button {
  border:1px solid var(--line); background:#fff; color:var(--text);
  border-radius:999px; padding:7px 10px; font-weight:700; cursor:pointer;
}
.lang-switcher button.active { background:var(--brand); color:#fff; border-color:var(--brand); }
.hero { padding: 76px 0 44px; }
.hero-grid {
  display:grid; grid-template-columns:1.2fr .8fr; gap:34px; align-items:center;
}
.hero-card, .panel {
  background:var(--card); border:1px solid var(--line);
  border-radius:var(--radius); box-shadow:var(--shadow);
}
.hero-card { padding:clamp(28px,5vw,58px); }
.eyebrow {
  display:inline-flex; align-items:center; gap:8px;
  padding:8px 12px; border-radius:999px;
  background:var(--brand-soft); color:var(--brand-dark);
  font-weight:800; font-size:14px;
}
h1 {
  margin:22px 0 16px;
  font-size:clamp(42px,7vw,78px); line-height:1.04; letter-spacing:-.04em;
}
h2 { margin:0 0 14px; font-size:clamp(28px,4vw,44px); line-height:1.16; letter-spacing:-.02em; }
h3 { margin:0 0 8px; font-size:21px; }
.lead { font-size:clamp(18px,2.4vw,24px); color:var(--muted); margin:0; }
.actions { display:flex; gap:12px; flex-wrap:wrap; margin-top:28px; }
.button {
  display:inline-flex; align-items:center; justify-content:center;
  padding:13px 18px; border-radius:14px; font-weight:800; text-decoration:none;
  border:1px solid var(--line);
}
.button.primary { background:var(--brand); color:#fff; border-color:var(--brand); box-shadow:0 12px 28px rgba(119,87,247,.28); }
.button.secondary { background:#fff; color:var(--text); }
.trust-row { display:flex; gap:10px; flex-wrap:wrap; margin-top:22px; }
.pill { padding:8px 11px; border-radius:999px; background:#fff; border:1px solid var(--line); font-weight:700; font-size:14px; }
.phone-card { padding:24px; min-height:480px; display:grid; place-items:center; }
.phone {
  width:min(300px,80vw); aspect-ratio:9/18.8; border-radius:44px; padding:12px;
  background:#141414; box-shadow:0 30px 70px rgba(0,0,0,.28);
}
.phone-screen {
  height:100%; border-radius:34px; background:linear-gradient(180deg,#fff,#f8f5ff);
  padding:22px 18px; overflow:hidden;
}
.phone-title { font-size:28px; font-weight:900; line-height:1.08; margin:18px 0 12px; }
.phone-copy { color:#6f6671; font-size:13px; }
.phone-box {
  margin-top:18px; padding:18px; border-radius:22px;
  color:#fff; background:linear-gradient(135deg,#8c71ff,#704ff1);
  box-shadow:0 14px 26px rgba(112,79,241,.28);
}
.metric { font-size:30px; font-weight:900; margin-top:18px; }
.section { padding:52px 0; }
.section-head { max-width:760px; margin-bottom:26px; }
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.feature {
  padding:26px; background:var(--card); border:1px solid var(--line);
  border-radius:22px; box-shadow:var(--shadow);
}
.icon {
  width:46px; height:46px; border-radius:14px; display:grid; place-items:center;
  background:var(--brand-soft); color:var(--brand); font-size:24px; margin-bottom:16px;
}
.feature p, .policy-card p, .faq p { margin:0; color:var(--muted); }
.policy-card { padding:34px; }
.policy-card + .policy-card { margin-top:22px; }
.policy-card ul { padding-left:22px; }
.faq { display:grid; gap:14px; }
.faq details {
  padding:18px 20px; border:1px solid var(--line);
  background:var(--card); border-radius:18px;
}
.faq summary { cursor:pointer; font-weight:800; }
.notice {
  padding:16px 18px; border-radius:16px;
  background:#fff7dc; border:1px solid #efd990; color:#5d4b17;
}
.footer {
  margin-top:56px; padding:34px 0 50px; border-top:1px solid var(--line);
  color:var(--muted); font-size:14px;
}
.footer-links { display:flex; gap:14px; flex-wrap:wrap; margin-top:10px; }
[data-lang] { display:none; }
[data-lang].active { display:block; }
@media (max-width: 820px) {
  .hero-grid { grid-template-columns:1fr; }
  .grid-3 { grid-template-columns:1fr; }
  .nav { display:none; }
  .header-inner { min-height:64px; }
  .hero { padding-top:42px; }
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg:#17131f; --card:rgba(31,26,41,.88); --text:#f6f1fb; --muted:#b8afbf;
    --line:#3a3245; --brand-soft:#2d2452; --shadow:0 22px 70px rgba(0,0,0,.28);
  }
  body { background:radial-gradient(circle at top right,rgba(119,87,247,.22),transparent 28%),linear-gradient(180deg,#17131f,#121017 55%); }
  .site-header { background:rgba(23,19,31,.8); }
  .lang-switcher button,.button.secondary,.pill { background:#211c2b; }
  .phone-screen { background:linear-gradient(180deg,#fff,#f5f1ff); color:#241916; }
}