*{box-sizing:border-box}
:root{
  --bg:#f8fafc;
  --text:#0f172a;
  --muted:#64748b;
  --line:#e2e8f0;
  --panel:#ffffff;
  --soft:#f1f5f9;
  --dark:#020617;
  --accent:#2563eb;
  --accent-soft:#eff6ff;
  --good:#16a34a;
}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Apple SD Gothic Neo","Noto Sans KR",sans-serif;
  background:var(--bg);
  color:var(--text);
  word-break:keep-all;
}
a{color:inherit;text-decoration:none}
.container{width:min(1120px,calc(100% - 32px));margin:0 auto}
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(226,232,240,.9)
}
.nav{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:11px}
.brand-icon{
  width:38px;height:38px;border-radius:15px;background:var(--dark);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-weight:950;letter-spacing:-.06em
}
.brand strong{display:block;font-size:16px;letter-spacing:-.04em}
.brand small{display:block;margin-top:2px;color:var(--muted);font-size:11px}
.nav-links{display:flex;gap:21px;color:#475569;font-weight:800;font-size:14px}
.nav-links a:hover{color:var(--text)}
.nav-cta{background:var(--dark);color:#fff;border-radius:999px;padding:10px 15px;font-size:14px;font-weight:900}
.hero{position:relative;overflow:hidden;padding:82px 0 56px}
.hero:before{
  content:"";position:absolute;left:50%;top:-250px;width:720px;height:720px;transform:translateX(-50%);
  border-radius:999px;background:linear-gradient(135deg,#dbeafe,#f1f5f9);filter:blur(80px);opacity:.82
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}
.eyebrow,.section-label{display:inline-flex;width:fit-content;color:#475569;font-size:13px;font-weight:950}
.eyebrow{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 14px;box-shadow:0 8px 24px rgba(15,23,42,.04)}
.section-label{text-transform:uppercase;letter-spacing:.16em;color:#64748b}
h1,h2,h3,p{margin-top:0}
h1{margin:22px 0 20px;font-size:clamp(36px,5.8vw,60px);line-height:1.08;letter-spacing:-.065em}
h2{font-size:clamp(27px,4.3vw,40px);line-height:1.15;letter-spacing:-.052em;margin:8px 0 0}
h3{letter-spacing:-.035em}
.lead{font-size:18px;line-height:1.82;color:#475569;max-width:690px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.button{
  display:inline-flex;align-items:center;justify-content:center;border-radius:17px;
  padding:14px 18px;font-weight:950;border:1px solid var(--line);transition:.18s ease;background:#fff
}
.button:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(15,23,42,.08)}
.button.primary,.button.full{background:var(--dark);color:#fff;border-color:var(--dark)}
.button.secondary{background:#fff}
.button.full{width:100%;margin-top:12px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:560px;margin-top:30px}
.stats div{background:#fff;border:1px solid var(--line);border-radius:21px;padding:16px 13px;text-align:center}
.stats strong{display:block;font-size:25px;letter-spacing:-.05em}
.stats span{display:block;margin-top:4px;color:var(--muted);font-size:12px;font-weight:750}
.value-card{background:#fff;border:1px solid var(--line);border-radius:32px;padding:18px;box-shadow:0 24px 70px rgba(15,23,42,.12)}
.value-inner{background:var(--dark);color:#fff;border-radius:26px;padding:24px}
.value-inner h3{font-size:24px;line-height:1.35;margin:0 0 12px}
.value-inner p{color:#cbd5e1;line-height:1.76;margin-bottom:20px}
.value-list{display:grid;gap:12px}
.value-item{display:flex;gap:13px;padding:15px;border-radius:20px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1)}
.value-item b{display:inline-flex;width:34px;height:34px;flex:0 0 auto;border-radius:13px;background:#fff;color:var(--dark);align-items:center;justify-content:center}
.value-item strong{display:block;margin-bottom:3px}
.value-item span{display:block;color:#cbd5e1;font-size:14px;line-height:1.55}
.section{padding:52px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}
.section-head p{max-width:580px;color:#475569;line-height:1.75;margin-bottom:0}
.cards{display:grid;gap:18px}
.cards.three{grid-template-columns:repeat(3,1fr)}
.cards.four{grid-template-columns:repeat(4,1fr)}
.card,.mini-card,.setup-card,.panel,.guide-box,.post,.side-card,.article-row,.legal{
  background:#fff;border:1px solid var(--line);border-radius:28px
}
.card,.mini-card,.setup-card{padding:24px}
.card h3,.mini-card h3,.setup-card h3{font-size:20px;line-height:1.35;margin:16px 0 10px}
.card p,.mini-card p,.setup-card p{color:#475569;line-height:1.7;font-size:15px}
.card a{display:inline-flex;margin-top:8px;font-weight:950;font-size:14px}
.pill{display:inline-flex;background:var(--soft);border-radius:999px;color:#475569;font-weight:950;font-size:12px;padding:7px 11px}
.panel{padding:32px}
.mini-card{background:#f8fafc}
.icon{
  display:inline-flex;width:42px;height:42px;border-radius:16px;background:var(--dark);color:#fff;
  align-items:center;justify-content:center;font-weight:950;font-size:13px
}
.setup-card .target{background:var(--soft);border-radius:18px;padding:14px}
.setup-card ul{list-style:none;padding:0;margin:18px 0}
.setup-card li{padding:8px 0;color:#334155;font-weight:780}
.setup-card li:before{content:"✓";font-weight:950;margin-right:10px;color:var(--good)}
.notice{margin-top:18px;border:1px dashed #cbd5e1;background:#fff;border-radius:18px;padding:16px;color:#64748b;font-size:14px;line-height:1.65}
.guide-box{padding:34px;display:grid;grid-template-columns:1fr .95fr;gap:26px;align-items:center}
.guide-box h2{margin-bottom:14px}
.guide-box p{color:#475569;line-height:1.75}
.quick-links{display:grid;gap:12px}
.quick-links a{display:flex;justify-content:space-between;gap:12px;padding:16px 18px;background:#f8fafc;border:1px solid var(--line);border-radius:18px;font-weight:950;color:#334155}
.quick-links a:hover{background:var(--accent-soft);border-color:#bfdbfe}
.site-footer{border-top:1px solid var(--line);background:#fff;padding:28px 0}
.footer-grid{display:flex;align-items:center;justify-content:space-between;gap:18px;color:#64748b;font-size:14px}
.footer-grid p{margin:0}
.footer-links{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.footer-links a{font-weight:780}
.footer-links .privacy-link{font-weight:950;color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.subpage-hero{padding:54px 0 28px}
.breadcrumb{color:#64748b;font-size:14px;font-weight:850;margin-bottom:14px}
.breadcrumb a{color:#334155}
.subpage-hero .page-desc{max-width:760px;color:#475569;line-height:1.8;font-size:17px;margin-top:16px}
.post-layout{display:grid;grid-template-columns:minmax(0,1fr)320px;gap:26px;align-items:start}
.post{padding:34px}
.post h1{font-size:clamp(33px,5vw,52px);line-height:1.12;letter-spacing:-.06em;margin:12px 0 18px}
.post h2{font-size:27px;letter-spacing:-.04em;margin:34px 0 12px}
.post p,.post li{color:#475569;line-height:1.85;font-size:16px}
.post ul,.post ol{padding-left:22px}
.post-meta{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 24px}
.post-meta span{border:1px solid var(--line);background:#f8fafc;color:#475569;border-radius:999px;padding:8px 12px;font-size:13px;font-weight:900}
.info-box{background:#f8fafc;border:1px solid var(--line);border-radius:22px;padding:18px;margin:18px 0}
.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:16px}
.product-card{border:1px solid var(--line);border-radius:20px;padding:18px;background:#fff}
.product-card h3{margin:0 0 8px;font-size:20px}
.product-card p{font-size:14px;line-height:1.65}
.product-card a{display:inline-flex;margin-top:8px;padding:11px 13px;border-radius:14px;background:var(--dark);color:#fff;font-size:13px;font-weight:900}
.sidebar{position:sticky;top:94px}
.side-card{padding:20px;margin-bottom:16px}
.side-card h3{font-size:17px;margin-bottom:10px}
.side-card a{display:block;padding:10px 0;color:#334155;border-bottom:1px solid #f1f5f9;font-weight:780;font-size:14px}
.side-card a:last-child{border-bottom:0}
.category-list{display:grid;gap:16px}
.article-row{display:grid;gap:10px;padding:22px}
.article-row h3{margin:0;font-size:22px}
.article-row p{color:#475569;line-height:1.75;margin:0}
.article-row a{font-weight:950}
.legal{padding:34px}
.legal h1{font-size:clamp(34px,5vw,52px)}
.legal h2{font-size:25px;margin-top:32px}
.legal p,.legal li{color:#475569;line-height:1.85}
.legal table{width:100%;border-collapse:collapse;margin:18px 0;background:#fff}
.legal th,.legal td{border:1px solid var(--line);padding:12px;text-align:left;vertical-align:top;color:#475569}
.legal th{background:#f8fafc;color:#334155}
@media(max-width:900px){
  .nav-links{display:none}
  .hero{padding-top:56px}
  .hero-grid,.guide-box,.post-layout{grid-template-columns:1fr}
  .cards.three,.cards.four,.product-grid{grid-template-columns:1fr}
  .section-head{display:block}
  .section-head p{margin-top:12px}
  .footer-grid{align-items:flex-start;flex-direction:column}
  .sidebar{position:static}
}
@media(max-width:520px){
  .container{width:min(100% - 24px,1120px)}
  .nav-cta{display:none}
  .stats{grid-template-columns:1fr}
  .post,.legal,.panel,.guide-box{padding:24px}
  .hero-actions .button{width:100%}
}