:root {
  /* palette_id=4 파인틸 */
  --accent: #1E4544;
  --accent-soft: #DDECEA;
  --ink: #121A19;
  --sub: #4F5E5C;
  --line: #DDE5E3;
  --bg-1: #D5E3E1;
  --bg-2: #E4EEEC;
  --bg-3: #F0F5F4;
  --bg-4: #F6FAF9;
  --bg-5: #E8F1F0;
  --bg-6: #DDECEA;
  --bg-7: #FBFCFC;
  --bg-8: #EEF4F3;
  --hero-tint: #F0F5F4;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Pretendard Variable", Pretendard, -apple-system, sans-serif;
  font-weight: 400;
  letter-spacing: -0.3px;
  color: var(--ink);
  background: #FFFFFF;
  padding-bottom: 72px;
}
@media (min-width: 768px) { body { padding-bottom: 0; } }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
h1, h2, h3 { font-weight: 700; margin: 0 0 16px; line-height: 1.32; }
p { line-height: 1.75; color: var(--sub); margin: 0 0 16px; }

/* ---------- topbar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 200;
  background: #FFFFFF; border-bottom: 1px solid var(--line);
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { width: 34px; height: 34px; color: var(--accent); flex: none; }
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-brand { font-size: 13px; font-weight: 600; color: var(--sub); letter-spacing: 0.5px; }
.logo-keyword { font-size: 19px; font-weight: 700; color: var(--ink); }

.nav { display: none; align-items: center; gap: 30px; font-size: 17px; }
@media (min-width: 900px) { .nav { display: flex; } }
.nav a { color: var(--ink); }
.nav .navdrop { position: relative; }
.nav .navdrop > a::after { content: " ▾"; font-size: 12px; }
.navdrop-menu {
  position: absolute; top: 100%; left: 0; min-width: 190px;
  background: #FFFFFF; border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 8px 8px; display: none; box-shadow: 0 16px 32px rgba(0,0,0,0.10);
  z-index: 201;
}
.navdrop:hover .navdrop-menu, .navdrop:focus-within .navdrop-menu { display: block; }
.navdrop-menu a { display: block; padding: 9px 12px; border-radius: 6px; font-size: 15px; }
.navdrop-menu a:hover { background: var(--bg-4); }
.nav a.nav-cta {
  padding: 11px 22px; border-radius: 999px; background: var(--accent); color: #FFF;
  font-weight: 600; font-size: 15px;
}

/* ---------- mobile hamburger + drawer ---------- */
.hamburger {
  display: flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px; background: none; border: none; cursor: pointer; padding: 0;
}
@media (min-width: 900px) { .hamburger { display: none; } }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 0 auto; }
.mobile-nav {
  display: none; flex-direction: column; background: #FFFFFF; border-top: 1px solid var(--line);
  padding: 8px 24px 20px;
}
.mobile-nav.is-open { display: flex; }
@media (min-width: 900px) { .mobile-nav { display: none !important; } }
/* 모바일 메뉴: 세로 스택 금지, 가로 4칸 */
.mobile-nav.is-open { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0 4px; }
.mobile-nav a { padding: 13px 2px; font-size: 13px; text-align: center; border-bottom: 1px solid var(--line); }
.mobile-nav-cta { color: var(--accent) !important; font-weight: 700; }

/* ---------- hero: start-style card ---------- */
.hero { background: #FFFFFF; padding: 28px 20px 40px; }
.hero__inner {
  max-width: 1280px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr; gap: 32px;
}
@media (min-width: 900px) {
  .hero__inner { grid-template-columns: 1fr 1fr; gap: 48px; align-items: stretch; }
}
.hero-text-box {
  background: var(--bg-5); border-radius: 26px; padding: 48px 40px;
  display: flex; flex-direction: column; justify-content: center;
}
.hero-eyebrow {
  display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: 0.4px;
  color: var(--accent); background: rgba(30,69,68,0.08); padding: 6px 14px; border-radius: 999px; margin-bottom: 18px;
}
.hero h1 { font-size: 34px; margin-bottom: 14px; }
@media (min-width: 900px) { .hero h1 { font-size: 44px; } }
.hero .hero-sub { font-size: 16px; line-height: 1.75; margin-bottom: 24px; max-width: 46ch; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
.btn-fill, .btn-line {
  display: inline-block; padding: 14px 26px; border-radius: 999px; font-weight: 600; font-size: 15px;
}
.btn-fill { background: var(--accent); color: #FFF; }
.btn-line { border: 1.5px solid var(--ink); color: var(--ink); }
.hero-checks { list-style: none; padding: 0; margin: 0; display: flex; gap: 20px; flex-wrap: wrap;
  border-top: 1px solid rgba(0,0,0,0.08); padding-top: 18px; font-size: 14px; color: var(--sub); }
.hero-checks li::before { content: "✓ "; color: var(--accent); font-weight: 700; }
.hero-media {
  border-radius: 18px; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  min-height: 320px; max-height: 480px;
}
@media (min-width: 900px) { .hero-media { max-height: none; } }
.hero-media img { width: 100%; height: 100%; object-fit: cover; border-radius: 18px; }

/* ---------- generic section ---------- */
.section { padding: 96px 0; }
@media (max-width: 600px) { .section { padding: 64px 0; } }
.section-label { font-size: 14px; font-weight: 700; letter-spacing: 1px; color: var(--accent); margin-bottom: 12px; }
.section-title { font-size: 30px; margin-bottom: 20px; }
.section-lead { font-size: 16px; max-width: 640px; }

/* ---------- about ---------- */
.about-body { display: grid; gap: 18px; max-width: 760px; }

/* ---------- service ---------- */
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; margin-top: 36px; }
@media (min-width: 900px) { .service-grid { grid-template-columns: repeat(4, 1fr); } }
.service-item svg { width: 40px; height: 40px; color: var(--accent); margin-bottom: 16px; }
.service-item h3 { font-size: 18px; margin-bottom: 8px; }
.service-item p { font-size: 14.5px; margin-bottom: 0; }

/* ---------- cases ---------- */
.case-grid { display: grid; grid-template-columns: 1fr; gap: 24px; margin-top: 36px; }
@media (min-width: 700px) { .case-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .case-grid { grid-template-columns: repeat(3, 1fr); } }
.case-grid.case-grid--pair { max-width: 640px; margin-left: auto; margin-right: auto; }
@media (min-width: 1000px) { .case-grid.case-grid--pair { grid-template-columns: repeat(2, 1fr); } }
.case-card {
  background: #FFFFFF; border: 1px solid var(--line); border-radius: 16px; overflow: hidden;
  transition: box-shadow .25s ease;
}
.case-card:hover { box-shadow: 0 18px 34px rgba(0,0,0,0.12); }
.case-thumb { aspect-ratio: 4/3; overflow: hidden; background: var(--bg-6); }
.case-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.case-card:hover .case-thumb img { transform: scale(1.05); }
.case-body { padding: 20px 22px 24px; }
.case-tag { font-size: 12.5px; color: var(--accent); font-weight: 700; margin-bottom: 8px; }
.case-body h3 { font-size: 17px; margin-bottom: 8px; }
.case-body p { font-size: 14px; margin-bottom: 0; }
.case-more { text-align: center; margin-top: 40px; }

.pagination { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 48px; flex-wrap: wrap; }
.pagination-num, .pagination-arrow {
  min-width: 40px; height: 40px; padding: 0 12px; border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14.5px; font-weight: 600; color: var(--ink); border: 1px solid transparent;
}
.pagination-num { border-color: var(--line); background: #FFF; }
.pagination-num:hover { border-color: var(--accent); color: var(--accent); }
.pagination-num.is-current { background: var(--accent); border-color: var(--accent); color: #FFF; }
.pagination-arrow { color: var(--sub); }
.pagination-arrow:hover { color: var(--accent); }
.pagination-ellipsis { color: var(--sub); padding: 0 4px; }

/* ---------- process ---------- */
.process-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border-top: 1px solid var(--line); margin-top: 36px; }
@media (min-width: 800px) { .process-list { grid-template-columns: repeat(4, 1fr); } }
.process-item { padding: 28px 20px 28px 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
@media (min-width: 800px) { .process-item { border-bottom: none; } }
.process-item:first-child { padding-left: 0; }
.process-item:nth-child(2n) { border-right: none; }
@media (min-width: 800px) {
  .process-item:nth-child(2n) { border-right: 1px solid var(--line); }
  .process-item:last-child { border-right: none; }
}
.pnum { color: var(--accent); font-weight: 700; font-size: 13px; display: block; margin-bottom: 10px; }
.process-item h3 { font-size: 16.5px; margin-bottom: 8px; }
.process-item p { font-size: 13.5px; margin-bottom: 0; }

/* ---------- region ---------- */
.region-groups { margin-top: 36px; display: grid; gap: 28px; }
.region-group h3 { font-size: 15px; color: var(--sub); font-weight: 600; margin-bottom: 12px; }
.region-links { display: flex; flex-wrap: wrap; gap: 10px; }
.region-links a { padding: 9px 16px; border: 1px solid var(--line); border-radius: 999px; font-size: 14px; background: #FFF; }
.region-links a:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- faq ---------- */
.faq-list { margin-top: 32px; display: grid; gap: 14px; }
.faq-item { border: 1px solid var(--line); border-radius: 12px; padding: 20px 22px; background: #FFF; }
.faq-item h3 { font-size: 15.5px; margin-bottom: 8px; }
.faq-item p { font-size: 14px; margin-bottom: 0; }

/* ---------- closing ---------- */
.closing { position: relative; height: 600px; display: flex; align-items: center; justify-content: center; color: #FFF; text-align: center; overflow: hidden; }
@media (max-width: 600px) { .closing { height: 480px; } }
.closing img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.closing::after { content: ""; position: absolute; inset: 0; background: rgba(10,9,8,0.55); z-index: 1; }
.closing--solid { background: linear-gradient(160deg, #2A5250, #101B1A); }
.closing--solid::after { display: none; }
.closing-inner { position: relative; z-index: 2; max-width: 640px; padding: 0 24px; }
.closing-head { font-size: 28px; font-weight: 700; margin-bottom: 14px; color: #FFFFFF; text-shadow: 0 2px 16px rgba(0,0,0,0.55); }
@media (min-width: 700px) { .closing-head { font-size: 34px; } }
.closing-quote { font-size: 15px; color: #D9E8E5; opacity: 0.9; margin-bottom: 28px; text-shadow: 0 2px 12px rgba(0,0,0,0.5); }
.closing-cta { display: inline-block; padding: 15px 34px; background: transparent; color: #FFF; border: 1px solid #FFF; border-radius: 0; font-weight: 600; }

/* ---------- footer ---------- */
footer { background: #FFFFFF; color: #000; border-top: 1px solid var(--line); padding: 56px 0 100px; }
@media (min-width: 768px) { footer { padding-bottom: 56px; } }
.footer-grid { display: grid; gap: 28px; }
@media (min-width: 800px) { .footer-grid { grid-template-columns: 1.3fr 1fr; } }
.footer-brand { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.footer-info { font-size: 13.5px; color: var(--sub); line-height: 1.9; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; font-size: 14px; }
.footer-bottom { margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 12.5px; color: #8A8579; }

.footer-notice {
  display: flex; align-items: center; gap: 14px; background: var(--bg-4);
  border: 1px solid var(--line); border-radius: 14px; padding: 16px 20px; margin: 0 0 40px;
}
.footer-notice-mark { width: 44px; height: 44px; flex: none; border-radius: 50%; }
.footer-notice p { margin: 0; font-size: 12.5px; line-height: 1.7; color: var(--sub); }

/* ---------- page hero (subpages) ---------- */
.page-hero { padding: 56px 20px; position: relative; z-index: 0; }
.page-hero__inner {
  max-width: 1180px; margin: 0 auto; background: var(--hero-tint); border-radius: 22px;
  padding: 44px 36px;
}
.page-hero .eyebrow { font-size: 13px; font-weight: 700; color: var(--accent); margin-bottom: 10px; display: block; }
.page-hero h1 { font-size: 28px; margin-bottom: 10px; }
@media (min-width: 800px) { .page-hero h1 { font-size: 34px; } }
.page-hero p { max-width: 60ch; margin-bottom: 0; }

/* ---------- case detail: photo-top hero ---------- */
.case-hero { position: relative; z-index: 0; min-height: 420px; overflow: hidden;
  display: flex; align-items: center; justify-content: center; text-align: center; }
.case-hero .bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.case-hero::after { content: ""; position: absolute; inset: 0; background: rgba(19,19,19,.5);
  pointer-events: none; z-index: 0; }
.case-hero .copy { position: relative; z-index: 1; color: #fff; pointer-events: none; max-width: 720px; padding: 0 24px; }
.case-hero .eyebrow { display: inline-block; padding: 6px 14px; border-radius: 999px; font-size: 13px;
  font-weight: 600; letter-spacing: .4px; color: #fff; background: rgba(255,255,255,.15); }
.case-hero h1 { color: #fff; font-size: 36px; font-weight: 800; margin: 14px 0 0; }
@media (max-width: 767px) { .case-hero { min-height: 320px; } .case-hero h1 { font-size: 26px; } }

/* ---------- case / region detail body ---------- */
.detail-body { padding: 80px 0; }
.detail-photo { max-width: 480px; margin: 0 auto 28px; }
.detail-photo img { width: 100%; height: auto; max-height: 560px; margin: 0 auto; display: block;
  border-radius: 18px; object-fit: contain; }
.detail-label { text-align: center; font-size: 13px; color: var(--accent); font-weight: 700; margin-bottom: 10px; }
.detail-h2 { text-align: center; font-size: 20px; margin-bottom: 24px; }
.detail-text { max-width: 640px; margin: 0 auto; text-align: left; }
.detail-text p { font-size: 16px; line-height: 1.85; color: var(--sub); margin: 0 0 18px; }
.detail-text p:last-child { margin-bottom: 0; }
.detail-back { text-align: center; margin: 40px 0 0; }

/* ---------- mobile bottom bar ---------- */
.mobile-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; display: grid; grid-template-columns: 1fr 1fr;
  height: 60px; background: var(--accent); }
@media (min-width: 768px) { .mobile-bar { display: none; } }
.mobile-bar a { display: flex; align-items: center; justify-content: center; color: #FFF; font-weight: 600; font-size: 15px; }
.mobile-bar a:first-child { background: rgba(255,255,255,0.12); }

/* prose */
.prose p { font-size: 15.5px; }

/* ---------- keyword table / guide list ---------- */
.kw-table { width: 100%; border-collapse: collapse; margin: 28px 0; background: #FFF; }
.kw-table caption { text-align: left; font-size: 15px; font-weight: 700; margin-bottom: 12px; color: var(--ink); }
.kw-table th, .kw-table td { border: 1px solid var(--line); padding: 12px 16px; font-size: 14.5px; text-align: left; }
.kw-table th { background: var(--bg-3); color: var(--sub); font-weight: 600; width: 30%; }
.guide-list { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; }
.guide-list a { padding: 9px 16px; border: 1px solid var(--line); border-radius: 999px; font-size: 14px; background: #FFF; display: inline-block; }
.guide-list a:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- 공통 보강 ---------- */
body { word-break: keep-all; overflow-wrap: break-word; }
.detail-top { padding: 28px 0 0; }
.detail-top .detail-photo { margin-bottom: 0; }
.case-grid.case-grid--related { grid-template-columns: repeat(2, 1fr); gap: 14px; max-width: 720px; margin-left: auto; margin-right: auto; }
.case-grid--related .case-thumb { aspect-ratio: 1/1; }
.case-grid--related .case-body { padding: 12px 14px 16px; }
.case-grid--related .case-body h3 { font-size: 15px; margin: 0; }
.region-names { font-size: 15px; line-height: 1.9; color: var(--sub); }
.detail-text h2.detail-h2 { font-size: 22px; }
.detail-text .kw-table { margin: 22px 0 8px; }

/* ---------- Guide 허브 / 상세 관련 ---------- */
.guide-hub .section-lead { max-width: none; }
.guide-grid { display: grid; grid-template-columns: 1fr; gap: 24px; margin: 36px auto 0; max-width: 1100px; }
@media (min-width: 768px) { .guide-grid { grid-template-columns: repeat(3, 1fr); } }
.guide-card { display: block; background: #FFF; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; transition: box-shadow .25s ease; }
.guide-card:hover { box-shadow: 0 18px 34px rgba(0,0,0,0.12); }
.guide-thumb { aspect-ratio: 3/2; overflow: hidden; background: var(--bg-6); }
.guide-thumb img { width: 100%; height: 100%; object-fit: cover; }
.guide-body { padding: 20px 22px 24px; }
.guide-body h2 { font-size: 20px; margin-bottom: 8px; }
.guide-body p { font-size: 14px; }
.guide-more { font-size: 14px; font-weight: 600; color: var(--accent); }
.guide-rel { display: grid; grid-template-columns: 1fr; gap: 14px; margin-top: 28px; }
@media (min-width: 768px) { .guide-rel { grid-template-columns: repeat(3, 1fr); } }
.guide-rel .case-thumb { aspect-ratio: auto; height: 170px; }
.guide-rel .case-body { padding: 12px 14px 16px; }
.guide-rel .case-body h3 { font-size: 15px; margin: 0; }

/* ---------- 축 허브·세부 ---------- */
.more-svc { margin-top: 24px; text-align: center; }
.more-svc summary { display: inline-block; cursor: pointer; list-style: none; }
.more-svc summary::-webkit-details-marker { display: none; }
.more-svc[open] summary { display: none; }
.child-links { list-style: none; margin: 8px 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 14px; }
@media (min-width: 700px) { .child-links { grid-template-columns: repeat(3, 1fr); } }
.child-links a { display: block; padding: 10px 14px; border: 1px solid var(--line); border-radius: 8px; background: #FFF; font-size: 14.5px; word-break: keep-all; }
.child-links a:hover { background: var(--bg-4); }
.detail-h1 { text-align: center; font-size: clamp(22px, 5vw, 32px); word-break: keep-all; margin: 8px 0 24px; }
h1, h2, h3 { word-break: keep-all; }

/* ---------- 사례 상세: 가이드형 ---------- */
.gd { max-width: 820px; }
.gd-label { font-size: 13px; font-weight: 700; letter-spacing: 1px; color: var(--accent); margin: 0 0 10px; }
.gd-summary { background: var(--accent-soft); border: 1px solid var(--line); border-left: 5px solid var(--accent); border-radius: 12px; padding: 22px 24px; margin: 32px 0 20px; }
.gd-summary ul { margin: 0; padding-left: 18px; }
.gd-summary li { font-size: 15.5px; line-height: 1.7; color: var(--ink); margin-bottom: 6px; }
.gd-toc { border: 1px solid var(--line); border-radius: 12px; padding: 20px 24px; background: #FFF; margin-bottom: 28px; }
.gd-toc ol { margin: 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.gd-toc a { display: block; padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px; font-size: 14px; color: var(--ink); }
.gd-toc a:hover { background: var(--accent); border-color: var(--accent); color: #FFF; }
.gd-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 40px; }
.gd-card { border: 1px solid var(--line); border-radius: 12px; padding: 22px 16px; text-align: center; background: #FFF; }
.gd-card strong { display: block; font-size: 38px; line-height: 1.1; color: var(--accent); }
.gd-card small { font-size: 15px; margin-left: 2px; }
.gd-card span { display: block; margin-top: 8px; font-size: 13.5px; color: var(--sub); }
.gd .detail-text { max-width: none; }
.gd .detail-h2 { text-align: left; font-size: 22px; margin: 40px 0 18px; scroll-margin-top: 90px; }
.gd .detail-text > .detail-h2:first-child { margin-top: 0; }
#process, #faq, #related, #myths { scroll-margin-top: 80px; }
.hook { background: var(--accent); color: #FFF; padding: 44px 0; }
.hook-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.hook-eyebrow { font-size: 13px; font-weight: 700; letter-spacing: 1px; color: #BFD9D5; margin: 0 0 8px; }
.hook-text { font-size: 22px; font-weight: 700; line-height: 1.5; color: #FFF; margin: 0; }
.hook-btn { display: inline-flex; align-items: center; gap: 8px; padding: 15px 28px; background: #FFF; color: var(--accent); font-weight: 700; border-radius: 0; }
.myth-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 28px; }
.myth-card { border: 1px solid var(--line); border-radius: 12px; padding: 22px; background: #FFF; }
.myth-no { display: block; font-size: 32px; font-weight: 800; color: var(--accent); line-height: 1; margin-bottom: 12px; }
.myth-card h3 { font-size: 16px; margin-bottom: 8px; }
.myth-card p { font-size: 14px; margin: 0; }
#related .case-grid--related { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 767px) {
  .gd, .gd * , .hook-text { word-break: keep-all; }
  .gd-cards { grid-template-columns: repeat(2, 1fr); }
  .myth-grid { grid-template-columns: 1fr; }
  .hook-text { font-size: 18px; }
  .hook-btn { width: 100%; justify-content: center; }
  #related .case-grid--related { grid-template-columns: 1fr; }
}