:root {
  --bg: #191a1d;
  --surface: #212327;
  --surface-2: #282a2f;
  --hair: #3a3d43;
  --hair-soft: #2c2e33;
  --text: #f5f5f7;
  --muted: #c6c8ce;
  --dim: #8e9099;
  --red: #dc1522;
  --red-bright: #f0202e;
  --max: 1140px;
  --wide: 1240px;
  --radius: 4px;
  --sans: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; }
:focus-visible { outline: 1.5px solid #fff; outline-offset: 4px; }
.wrap { width: min(calc(100% - 48px), var(--max)); margin: 0 auto; }

/* 메인 홈페이지와 같은 차분한 헤더 */
.site-head {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  background: rgba(25, 26, 29, .9);
  backdrop-filter: blur(14px);
}
.head-in { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 740; letter-spacing: -.025em; white-space: nowrap; }
.power { width: 22px; height: 22px; border: 2.5px solid var(--red); border-top-color: transparent; border-radius: 50%; position: relative; flex: none; }
.power::before { content: ''; position: absolute; left: 7.2px; top: -4px; width: 2.5px; height: 12px; background: var(--red); }
.brand-sub { color: var(--dim); font: 500 9px/1 var(--mono); letter-spacing: .12em; }
.site-head nav { display: flex; align-items: center; gap: 25px; color: var(--dim); font-size: 13px; }
.site-head nav a { padding: 9px 0; transition: color .18s ease; }
.site-head nav a:hover,
.site-head nav a[aria-current='page'] { color: var(--text); }
.site-head nav a[aria-current='page'] { box-shadow: inset 0 -1px var(--red); }
.site-head .nav-consult { color: var(--text); }

/* 소개와 매장 사진의 위계를 분리한 편집형 히어로 */
.hero { position: relative; overflow: hidden; padding: 148px 0 0; border-bottom: 1px solid var(--hair-soft); }
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .75;
  background: repeating-linear-gradient(90deg, rgba(255, 255, 255, .024) 0 1px, transparent 1px 96px);
  mask-image: linear-gradient(180deg, transparent 4%, #000 24%, transparent 69%);
}
.hero-copy { position: relative; z-index: 1; width: min(calc(100% - 48px), var(--max)); margin: 0 auto; padding: 0 0 68px; }
.hero-copy-inner { max-width: 820px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 23px; color: var(--dim); font: 500 10px/1.5 var(--mono); letter-spacing: .08em; }
.breadcrumbs a { transition: color .18s ease; }
.breadcrumbs a:hover { color: var(--text); }
.breadcrumbs span:last-child { color: var(--muted); }
.eyebrow { display: flex; align-items: center; gap: 9px; margin-bottom: 22px; color: var(--dim); font: 500 11px/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.eyebrow::before { content: ''; width: 9px; height: 9px; border: 2px solid var(--red); border-top-color: transparent; border-radius: 50%; flex: none; }
h1 { max-width: 13ch; font-size: clamp(42px, 6.2vw, 66px); line-height: 1.14; letter-spacing: -.052em; font-weight: 720; text-wrap: balance; }
h1 em { position: relative; font-style: normal; white-space: nowrap; }
h1 em::after { content: ''; position: absolute; left: 0; right: 0; bottom: .035em; height: 2px; background: var(--red); }
.hero-lead { max-width: 700px; margin-top: 26px; color: var(--muted); font-size: clamp(15px, 1.6vw, 17px); line-height: 1.82; }
.hero-lead strong { color: var(--text); font-weight: 620; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 35px; }
.btn { display: inline-flex; min-height: 49px; padding: 0 22px; align-items: center; justify-content: center; gap: 10px; border: 1px solid var(--hair); border-radius: var(--radius); font-size: 14px; font-weight: 620; transition: background .18s ease, border-color .18s ease; }
.btn-primary { border-color: var(--red); background: var(--red); color: #fff; }
.btn-primary:hover { border-color: var(--red-bright); background: var(--red-bright); }
.btn-ghost:hover { border-color: #777a82; background: var(--surface); }
.arrow { font-family: var(--mono); opacity: .86; }

.hero-visual {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 48px), var(--wide));
  aspect-ratio: 2.04 / 1;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--hair-soft);
  border-bottom: 0;
  border-radius: var(--radius) var(--radius) 0 0;
  background: #111215;
}
.hero-visual img { height: 100%; object-fit: cover; object-position: center 52%; filter: saturate(.82) contrast(1.04) brightness(.88); }
.hero-visual::after { content: ''; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(90deg, rgba(11, 12, 14, .32), transparent 48%), linear-gradient(0deg, rgba(11, 12, 14, .73), transparent 46%); }
.visual-card { position: absolute; z-index: 2; left: 28px; bottom: 26px; width: min(440px, calc(100% - 56px)); padding: 21px 23px; border: 1px solid rgba(255, 255, 255, .14); border-radius: var(--radius); background: rgba(25, 26, 29, .82); backdrop-filter: blur(14px); }
.visual-card small { color: #b4b6bd; font: 500 9px/1.4 var(--mono); letter-spacing: .14em; }
.visual-card strong { display: block; margin-top: 7px; font-size: 18px; letter-spacing: -.025em; }
.visual-card p { margin-top: 5px; color: #d2d3d7; font-size: 13px; }
.photo-source { display: inline-flex; margin-top: 10px; color: #afb1b8; font: 500 10px/1.4 var(--mono); letter-spacing: .04em; border-bottom: 1px solid rgba(255, 255, 255, .25); }
.photo-source:hover { color: #fff; border-color: #fff; }

.fact-strip { padding: 29px 0 88px; }
.fact-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--hair); border-bottom: 1px solid var(--hair-soft); }
.fact { min-height: 92px; padding: 23px 22px; border-left: 1px solid var(--hair-soft); }
.fact:first-child { border-left: 0; padding-left: 2px; }
.fact small { display: block; margin-bottom: 7px; color: var(--dim); font: 500 9px/1.3 var(--mono); letter-spacing: .14em; }
.fact strong { font-size: 14px; font-weight: 620; }

/* 반복 박스를 줄이고 문장과 순서가 먼저 읽히도록 정돈 */
.section { padding: 96px 0; border-bottom: 1px solid var(--hair-soft); }
.section-head { display: grid; grid-template-columns: .95fr 1.05fr; gap: 68px; align-items: end; margin-bottom: 48px; }
.section-no { margin-bottom: 17px; color: var(--red); font: 600 10px/1 var(--mono); letter-spacing: .14em; }
h2 { font-size: clamp(30px, 4vw, 43px); line-height: 1.22; letter-spacing: -.043em; }
.section-intro { max-width: 570px; color: var(--muted); font-size: 15px; line-height: 1.8; }

.feature-list,
.process { border-top: 1px solid var(--hair); }
.feature-row,
.process-step { display: grid; grid-template-columns: 70px .78fr 1.22fr; gap: 28px; padding: 27px 2px; align-items: start; border-bottom: 1px solid var(--hair-soft); }
.feature-row .index,
.process-step::before { color: var(--dim); font: 500 10px/1.6 var(--mono); letter-spacing: .08em; }
.process { counter-reset: step; }
.process-step { counter-increment: step; }
.process-step::before { content: '0' counter(step); }
.feature-row h3,
.process-step h3 { font-size: 18px; line-height: 1.45; letter-spacing: -.025em; }
.feature-row p,
.process-step p { color: var(--dim); font-size: 14px; line-height: 1.78; }

.dark-section { background: #151619; }
.use-grid { display: grid; grid-template-columns: 1fr 1fr; column-gap: 48px; border-top: 1px solid var(--hair); }
.use-item { min-height: 190px; padding: 29px 2px 32px; border-bottom: 1px solid var(--hair-soft); }
.use-item:nth-child(even) { padding-left: 26px; border-left: 1px solid var(--hair-soft); }
.use-item small { color: var(--dim); font: 500 10px/1 var(--mono); letter-spacing: .12em; }
.use-item h3 { margin-top: 18px; font-size: 21px; letter-spacing: -.03em; }
.use-item p { max-width: 490px; margin-top: 9px; color: var(--dim); font-size: 14px; line-height: 1.78; }

.assurance { display: grid; grid-template-columns: .84fr 1.16fr; overflow: hidden; border: 1px solid var(--hair-soft); border-radius: var(--radius); background: var(--surface); }
.assurance-title { position: relative; min-height: 285px; padding: 38px 40px; display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid var(--hair-soft); }
.assurance-title::before { content: ''; position: absolute; left: 0; top: 38px; bottom: 38px; width: 2px; background: var(--red); }
.assurance-title small { color: var(--dim); font: 500 10px/1 var(--mono); letter-spacing: .14em; }
.assurance-title strong { font-size: clamp(29px, 3.7vw, 41px); line-height: 1.2; letter-spacing: -.045em; }
.assurance-body { padding: 39px 42px; }
.assurance-body p { color: var(--muted); font-size: 14px; }
.assurance-body ul { list-style: none; margin-top: 23px; border-top: 1px solid var(--hair); }
.assurance-body li { padding: 13px 1px; border-bottom: 1px solid var(--hair-soft); font-size: 14px; font-weight: 580; }
.assurance-body li::before { content: '—'; margin-right: 11px; color: var(--red); }

.faq-list { border-top: 1px solid var(--hair); }
.faq-item { display: grid; grid-template-columns: .88fr 1.12fr; gap: 48px; padding: 27px 2px; border-bottom: 1px solid var(--hair-soft); }
.faq-item h3 { font-size: 16px; letter-spacing: -.02em; }
.faq-item p { color: var(--dim); font-size: 14px; line-height: 1.78; }

.related { padding: 78px 0; border-bottom: 1px solid var(--hair-soft); }
.related-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 30px; }
.related-head h2 { font-size: clamp(27px, 3.2vw, 37px); }
.related-head p { color: var(--dim); font-size: 13px; }
.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.related-link { min-height: 142px; padding: 22px 2px; display: flex; flex-direction: column; justify-content: space-between; border-top: 1px solid var(--hair); border-bottom: 1px solid var(--hair-soft); transition: border-color .18s ease; }
.related-link:hover { border-top-color: var(--text); }
.related-link small { color: var(--dim); font: 500 9px/1 var(--mono); letter-spacing: .13em; }
.related-link strong { font-size: 17px; letter-spacing: -.025em; }
.related-link span { color: var(--dim); font-size: 12px; }

.closing { padding: 96px 0 104px; background: #111215; text-align: center; }
.closing h2 { max-width: 820px; margin: 0 auto; }
.closing > .wrap > p:not(.section-no) { max-width: 610px; margin: 19px auto 0; color: var(--muted); font-size: 15px; }
.closing .actions { justify-content: center; }

footer { padding: 47px 0 49px; border-top: 1px solid var(--hair-soft); color: var(--dim); font-size: 12px; }
.foot-in { display: flex; justify-content: space-between; gap: 42px; align-items: flex-start; }
.foot-name { margin-bottom: 7px; color: var(--text); font-size: 14px; font-weight: 650; }
.foot-links { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 13px; color: var(--muted); }
.foot-links a:hover { color: #fff; }
.secondary-note { max-width: 500px; text-align: right; }
.mobile-bar { display: none; }

@media (max-width: 980px) {
  .site-head nav a:not(.nav-consult):not([aria-current='page']) { display: none; }
  .hero-copy { padding-bottom: 58px; }
  .section-head { grid-template-columns: 1fr; gap: 17px; }
  .related-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  body { padding-bottom: 66px; }
  .wrap,
  .hero-copy { width: min(calc(100% - 40px), var(--max)); }
  .head-in { min-height: 64px; }
  .brand-sub { display: none; }
  .site-head nav { gap: 0; }
  .site-head nav a[aria-current='page'] { display: none; }
  .hero { padding-top: 112px; }
  .hero-copy { padding-bottom: 49px; }
  .hero-copy-inner { min-width: 0; max-width: 100%; }
  .breadcrumbs { margin-bottom: 20px; font-size: 9px; }
  .eyebrow { margin-bottom: 17px; font-size: 9px; }
  h1 { max-width: none; font-size: clamp(36px, 10.2vw, 42px); word-break: keep-all; }
  .hero-lead { margin-top: 22px; font-size: 15px; line-height: 1.78; word-break: keep-all; overflow-wrap: anywhere; }
  .actions { margin-top: 29px; }
  .actions .btn { width: 100%; max-width: 100%; }
  .hero-visual { width: 100%; aspect-ratio: auto; border-right: 0; border-left: 0; border-radius: 0; }
  .hero-visual img { height: auto; aspect-ratio: 4 / 3; object-position: center; }
  .hero-visual::after { bottom: auto; height: calc(100% - 138px); background: linear-gradient(0deg, rgba(11, 12, 14, .3), transparent 58%); }
  .visual-card { position: relative; left: auto; bottom: auto; width: 100%; min-height: 138px; padding: 20px; border: 0; border-top: 1px solid var(--hair-soft); border-radius: 0; background: var(--surface); backdrop-filter: none; }
  .visual-card strong { font-size: 17px; }
  .fact-strip { padding: 22px 0 65px; }
  .fact-grid { grid-template-columns: 1fr 1fr; }
  .fact { min-height: 86px; padding: 20px 16px; border-top: 1px solid var(--hair-soft); }
  .fact:nth-child(odd) { border-left: 0; padding-left: 1px; }
  .fact:nth-child(-n+2) { border-top: 0; }
  .section { padding: 72px 0; }
  .section-head { margin-bottom: 35px; }
  .section-intro { font-size: 14px; }
  .feature-row,
  .process-step { grid-template-columns: 40px 1fr; gap: 12px 15px; padding: 22px 1px; }
  .feature-row p,
  .process-step p { grid-column: 2; }
  .feature-row h3,
  .process-step h3 { font-size: 17px; }
  .use-grid { grid-template-columns: 1fr; column-gap: 0; }
  .use-item,
  .use-item:nth-child(even) { min-height: auto; padding: 24px 1px 26px; border-left: 0; }
  .assurance { grid-template-columns: 1fr; }
  .assurance-title { min-height: 220px; padding: 30px 28px; border-right: 0; border-bottom: 1px solid var(--hair-soft); }
  .assurance-title::before { top: 30px; bottom: 30px; }
  .assurance-body { padding: 29px 27px; }
  .faq-item { grid-template-columns: 1fr; gap: 9px; padding: 23px 1px; }
  .related { padding: 62px 0; }
  .related-head { display: block; }
  .related-head p { margin-top: 8px; }
  .related-grid { grid-template-columns: 1fr; gap: 0; }
  .related-link { min-height: 123px; }
  .closing { padding: 76px 0 82px; }
  .foot-in { display: block; }
  .secondary-note { margin-top: 25px; text-align: left; }
  .mobile-bar { position: fixed; z-index: 30; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: 1fr 1fr; height: 66px; border-top: 1px solid var(--hair); background: rgba(25, 26, 29, .97); backdrop-filter: blur(12px); }
  .mobile-bar a { display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 650; }
  .mobile-bar a:first-child { background: var(--red); }
  .mobile-bar a:last-child { border-left: 1px solid var(--hair); }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }