:root{
  --bg:#eef4f8;
  --surface:#ffffff;
  --surface-2:#f7fafc;
  --ink:#102131;
  --text:#32485b;
  --muted:#667b8c;
  --line:#dbe7ef;
  --primary:#175d96;
  --primary-2:#0d7ec2;
  --accent:#e98b2a;
  --dark:#0d1d2b;
  --shadow:0 18px 48px rgba(23,93,150,.14);
  --shadow-soft:0 10px 28px rgba(16,33,49,.07);
  --radius-xl:28px;
  --radius-lg:22px;
  --radius-md:16px;
  --max:1180px;
}
*,
*::before,
*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Pretendard","Noto Sans KR","Apple SD Gothic Neo",Arial,sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at 0% 0%, rgba(23,93,150,.10), transparent 24%),
    radial-gradient(circle at 100% 0%, rgba(233,139,42,.10), transparent 18%),
    linear-gradient(180deg,#f9fcfe 0%, #eef4f8 100%);
  line-height:1.7;
  word-break:keep-all;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(var(--max), calc(100% - 40px));margin:0 auto}
.section{padding:88px 0 0}
.section.compact{padding-top:34px}
.pill{
  display:inline-flex;
  align-items:center;
  min-height:34px;
  padding:0 14px;
  border-radius:999px;
  font-size:12px;
  font-weight:800;
  letter-spacing:-.02em;
}
.pill-blue{background:#eaf4fb;color:var(--primary)}
.pill-cyan{background:#e9f7fb;color:#0f7499}
.pill-warm{background:#fff4e8;color:#b96c16}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:36px;
  padding:0 14px;
  border-radius:999px;
  font-size:12px;
  font-weight:800;
  background:#edf5fb;
  color:var(--primary);
  border:1px solid #d7e7f3;
}
.site-header{
  position:sticky;
  top:0;
  z-index:40;
  backdrop-filter:blur(14px);
  background:rgba(249,252,254,.88);
  border-bottom:1px solid rgba(16,33,49,.06);
}
.header-inner{
  min-height:82px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.brand-wrap{display:flex;flex-direction:column;gap:5px}
.brand{
  font-size:24px;
  font-weight:900;
  letter-spacing:-.05em;
}
.brand-sub{
  font-size:12px;
  color:var(--muted);
}
.main-nav{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  justify-content:center;
  gap:18px;
}
.main-nav a{
  font-size:14px;
  color:var(--text);
  font-weight:700;
}
.main-nav a:hover{color:var(--primary)}
.header-actions{display:flex;align-items:center;gap:10px}
.call-pill,
.btn-primary,
.btn-secondary,
.card-link,
.big-call,
.mobile-cta a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  padding:0 20px;
  border-radius:999px;
  font-weight:900;
}
.call-pill,
.btn-primary,
.card-link,
.big-call,
.mobile-cta a{
  color:#fff;
  background:linear-gradient(135deg,var(--primary), var(--primary-2));
  box-shadow:var(--shadow);
}
.btn-secondary{
  color:var(--ink);
  background:#fff;
  border:1px solid var(--line);
}
.call-pill{font-size:14px;min-width:168px}
.hero{padding:34px 0 0}
.hero-shell{
  display:grid;
  grid-template-columns:minmax(0,1.14fr) minmax(320px,.86fr);
  gap:22px;
}
.hero-main,
.hero-side,
.metric-card,
.flow-card,
.symptom-card,
.highlight-card,
.area-card,
.prep-card,
.detail-card,
.faq-wrap,
.cta-banner,
.article-hero,
.summary-card,
.step-card,
.note-box,
.related-card,
.sidebar-card,
.footer-box,
.footer-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-soft);
}
.hero-main{
  padding:42px;
  background:
    radial-gradient(circle at right top, rgba(23,93,150,.12), transparent 26%),
    linear-gradient(180deg, #ffffff 0%, #f7fafc 100%);
}
.hero-main h1{
  margin:16px 0 14px;
  font-size:56px;
  line-height:1.03;
  letter-spacing:-.055em;
}
.hero-main p{
  margin:0;
  color:var(--text);
  font-size:17px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.hero-tags,
.area-tags,
.meta-tags,
.related-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.hero-tags{margin-top:24px}
.hero-tags span,
.area-tags span,
.meta-tags span,
.related-tags span{
  display:inline-flex;
  align-items:center;
  min-height:38px;
  padding:0 14px;
  border-radius:14px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--text);
  font-size:13px;
  font-weight:700;
}
.hero-side{
  padding:26px;
  display:flex;
  flex-direction:column;
  gap:18px;
  background:linear-gradient(180deg, #ffffff 0%, #f7fafc 100%);
}
.hero-side h2,
.article-hero h1{margin:0 0 10px}
.hero-side h2{font-size:28px;line-height:1.2}
.quick-diagnosis{display:grid;gap:12px}
.metric-card{
  padding:18px;
  border-radius:22px;
}
.metric-card strong{display:block;margin-bottom:6px;font-size:16px}
.metric-card p{margin:0;color:var(--muted);font-size:14px}
.phone-box{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:18px 18px 18px 20px;
  border-radius:22px;
  background:var(--dark);
  color:#fff;
}
.phone-box small{display:block;color:rgba(255,255,255,.72);margin-bottom:4px}
.phone-box strong{font-size:28px;letter-spacing:-.03em}
.phone-box a{
  color:var(--dark);
  background:#fff;
  border-radius:999px;
  min-height:42px;
  padding:0 16px;
  font-size:13px;
  font-weight:900;
  display:inline-flex;
  align-items:center;
}
.section-head{
  display:flex;
  justify-content:space-between;
  align-items:end;
  gap:18px;
  margin-bottom:26px;
}
.section-head h2{
  margin:10px 0 8px;
  font-size:36px;
  line-height:1.15;
  letter-spacing:-.04em;
}
.section-head p,
.section-note,
.note-box p,
.footer-copy,
.footer-meta{
  color:var(--muted);
}
.section-note{
  max-width:420px;
  font-size:14px;
}
.grid-4,
.grid-3,
.area-grid,
.related-grid,
.footer-grid{
  display:grid;
  gap:16px;
}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.area-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.flow-card,
.symptom-card,
.highlight-card,
.area-card,
.prep-card,
.related-card,
.footer-panel{
  padding:24px;
}
.flow-number{
  width:42px;height:42px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:#eef6fb;color:var(--primary);font-weight:900;
}
.flow-card h3,
.symptom-card h3,
.highlight-card h3,
.area-card h3,
.prep-card h3,
.related-card h3{margin:14px 0 8px;font-size:22px;line-height:1.25}
.flow-card p,
.symptom-card p,
.highlight-card p,
.area-card p,
.prep-card p,
.related-card p{margin:0;color:var(--text)}
.symptom-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}
.symptom-card .card-actions,
.related-card .card-actions{margin-top:18px}
.card-actions{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.list-check{
  margin:16px 0 0;padding:0;list-style:none;display:grid;gap:8px;
}
.list-check li{
  position:relative;padding-left:20px;color:var(--text);font-size:14px;
}
.list-check li::before{
  content:"•";position:absolute;left:0;top:0;color:var(--accent);font-weight:900;
}
.cta-banner{
  margin-top:88px;
  padding:34px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  background:
    radial-gradient(circle at right top, rgba(23,93,150,.10), transparent 24%),
    linear-gradient(180deg,#ffffff 0%,#f7fafc 100%);
}
.cta-banner h2{
  margin:0 0 8px;
  font-size:34px;
  line-height:1.18;
}
.cta-banner p{margin:0;color:var(--text)}
.article-wrap{padding:28px 0 70px}
.breadcrumb{
  margin-bottom:18px;
  color:var(--muted);
  font-size:14px;
}
.article-hero{
  padding:34px;
  background:
    radial-gradient(circle at right top, rgba(23,93,150,.12), transparent 28%),
    linear-gradient(180deg,#ffffff 0%,#f7fafc 100%);
}
.article-hero h1{
  margin-top:14px;
  font-size:44px;
  line-height:1.1;
  letter-spacing:-.045em;
}
.article-hero p{
  margin:0;
  color:var(--text);
  font-size:16px;
}
.article-layout{
  margin-top:22px;
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:20px;
}
.detail-card{padding:28px}
.detail-section + .detail-section{margin-top:34px}
.detail-section h2{margin:10px 0 14px;font-size:30px;line-height:1.2}
.overview-grid,
.step-grid{
  display:grid;
  gap:14px;
}
.overview-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.step-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.summary-card,
.step-card,
.note-box,
.sidebar-card{padding:20px}
.summary-card h3,
.step-card h3{margin:12px 0 8px;font-size:20px}
.summary-card p,
.step-card p,
.sidebar-card p{margin:0;color:var(--text)}
.note-box{
  margin-top:16px;
  background:#fbfdff;
}
.note-box strong{display:block;margin-bottom:8px}
.prep-list{
  margin:0;padding-left:18px;color:var(--text);
}
.prep-list li+li{margin-top:6px}
.sidebar-card + .sidebar-card{margin-top:16px}
.sidebar-card h3{margin:0 0 10px;font-size:20px}
.faq-wrap{
  margin-top:24px;
  padding:26px;
}
.faq-list{display:grid;gap:14px}
.faq-item{
  padding:20px 22px;
  border:1px solid var(--line);
  border-radius:18px;
  background:#fff;
}
.faq-item h3{margin:0 0 8px;font-size:18px;line-height:1.35}
.faq-item p{margin:0;color:var(--text)}
.site-footer{
  margin-top:70px;
  padding:0 0 42px;
}
.footer-top{
  padding:32px;
  background:linear-gradient(180deg,#ffffff 0%,#f7fafc 100%);
}
.footer-grid{grid-template-columns:1.4fr .8fr 1fr 1fr}
.footer-panel h3{
  margin:0 0 12px;
  font-size:18px;
}
.footer-panel p,
.footer-panel li,
.footer-panel a{color:var(--text);font-size:14px}
.footer-links,
.footer-areas{
  margin:0;padding:0;list-style:none;display:grid;gap:8px;
}
.footer-bottom{
  margin-top:16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  color:var(--muted);
  font-size:13px;
}
@media (max-width: 1100px){
  .hero-shell,
  .grid-4,
  .grid-3,
  .area-grid,
  .overview-grid,
  .footer-grid{grid-template-columns:1fr 1fr}
  .related-grid,
  .symptom-grid,
  .step-grid{grid-template-columns:1fr}
  .article-layout{grid-template-columns:1fr}
}
@media (max-width: 780px){
  .container{width:min(var(--max), calc(100% - 28px))}
  .header-inner{min-height:72px;flex-wrap:wrap}
  .main-nav{display:none}
  .hero-shell,
  .grid-4,
  .grid-3,
  .area-grid,
  .related-grid,
  .symptom-grid,
  .overview-grid,
  .step-grid,
  .footer-grid{grid-template-columns:1fr}
  .hero-main,
  .hero-side,
  .flow-card,
  .symptom-card,
  .highlight-card,
  .area-card,
  .prep-card,
  .related-card,
  .article-hero,
  .detail-card,
  .faq-wrap,
  .cta-banner,
  .footer-top,
  .footer-panel{padding:22px}
  .hero-main h1{font-size:38px}
  .article-hero h1{font-size:32px}
  .hero-side h2,
  .section-head h2,
  .detail-section h2,
  .cta-banner h2{font-size:26px}
  .section{padding-top:62px}
  .section-head{align-items:flex-start;flex-direction:column}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}