@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/variable/pretendardvariable-dynamic-subset.css');

:root {
  --primary: #173F3B;
  --primary-dark: #102E2B;
  --primary-soft: #DCE8E4;
  --accent: #B89A78;
  --accent-soft: #EFE6DA;
  --background: #F7F4EF;
  --surface: #FFFFFF;
  --text: #18201E;
  --muted: #686F6C;
  --line: #E4E0D9;
  --shadow-sm: 0 8px 24px rgba(19, 42, 38, .06);
  --shadow-md: 0 20px 54px rgba(19, 42, 38, .10);
  --container: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--background);
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.72;
  letter-spacing: -.015em;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img, video, svg { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
button { border: 0; cursor: pointer; }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.narrow { width: min(calc(100% - 48px), 840px); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 9999; padding: 10px 16px; background: var(--primary); color: #fff; border-radius: 6px; transition: top .2s; }
.skip-link:focus { top: 16px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid rgba(20, 53, 49, .08);
  backdrop-filter: blur(18px);
}
.header-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.brand-mark { width: 42px; height: 42px; }
.brand-name { font-size: 21px; font-weight: 760; letter-spacing: -.055em; }
.brand-name .com { color: var(--accent); font-size: .72em; margin-left: 2px; font-weight: 650; letter-spacing: -.03em; }
.main-nav { display: flex; align-items: center; gap: 32px; margin-left: auto; }
.main-nav a { position: relative; padding: 26px 0 24px; font-size: 14px; font-weight: 630; color: #39433f; }
.main-nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 17px; height: 2px; background: var(--primary); transform: scaleX(0); transform-origin: center; transition: transform .2s ease; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--primary); }
.main-nav a:hover::after, .main-nav a[aria-current="page"]::after { transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.menu-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; color: var(--primary); background: transparent; }
.menu-toggle svg { width: 24px; height: 24px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  transition: transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease, box-shadow .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { color: #fff; background: var(--primary); box-shadow: 0 12px 24px rgba(23,63,59,.16); }
.btn-primary:hover { background: var(--primary-dark); box-shadow: 0 15px 30px rgba(23,63,59,.20); }
.btn-secondary { color: var(--primary); background: rgba(255,255,255,.83); border-color: rgba(23,63,59,.22); }
.btn-secondary:hover { background: #fff; border-color: var(--primary); }
.btn-light { color: var(--primary); background: #fff; }
.btn-link { min-height: auto; padding: 0; border: 0; border-radius: 0; color: var(--primary); background: transparent; font-size: 14px; }
.btn-link svg, .btn svg { width: 17px; height: 17px; flex: 0 0 auto; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

/* Hero */
.hero {
  position: relative;
  height: min(calc(100svh - 78px), 56.25vw);
  min-height: 650px;
  max-height: 900px;
  overflow: hidden;
  background: #e8e0d7;
  isolation: isolate;
}
.hero-media {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: center/cover no-repeat;
  z-index: -1;
}
.hero-video,
.hero-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: none;
}
.hero-video {
  object-position: 50% center;
  filter: saturate(1.01) contrast(1.015);
}
.hero-image { object-position: 68% center; }
/* The video is shown directly. No white opacity panel or veil is placed over it. */
.hero::before,
.hero::after { display: none; content: none; }
.hero-inner {
  height: 100%;
  min-height: inherit;
  display: flex;
  align-items: center;
  padding: 70px 0 76px;
}
.hero-copy {
  position: relative;
  z-index: 1;
  width: min(590px, 45%);
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.eyebrow {
  margin: 0 0 16px;
  color: #8b6849;
  font-size: 14px;
  font-weight: 760;
  letter-spacing: .01em;
  text-shadow: 0 1px 14px rgba(255,255,255,.82);
}
.hero h1 {
  margin: 0;
  max-width: 590px;
  font-size: clamp(47px, 4.55vw, 70px);
  line-height: 1.08;
  letter-spacing: -.067em;
  font-weight: 790;
  color: #15201d;
  text-shadow: 0 1px 0 rgba(255,255,255,.50), 0 5px 28px rgba(255,255,255,.70);
}
.hero h1 span { display: block; }
.hero-text {
  max-width: 530px;
  margin: 23px 0 29px;
  color: #35413d;
  font-size: 17px;
  line-height: 1.72;
  text-shadow: 0 1px 0 rgba(255,255,255,.55), 0 4px 22px rgba(255,255,255,.72);
}
.hero .btn { min-height: 52px; padding-inline: 23px; }
.hero .btn-primary {
  background: #173f3b;
  box-shadow: 0 14px 30px rgba(16,46,43,.22);
}
.hero .btn-secondary {
  color: #173f3b;
  background: rgba(255,255,255,.92);
  border-color: rgba(23,63,59,.28);
  box-shadow: 0 10px 24px rgba(20,43,39,.08);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.hero .btn-secondary:hover { background: #fff; }
.hero-note {
  display: flex;
  flex-wrap: wrap;
  gap: 17px;
  margin-top: 29px;
  color: #3d4945;
  font-size: 13px;
  font-weight: 580;
  text-shadow: 0 1px 0 rgba(255,255,255,.65), 0 3px 16px rgba(255,255,255,.72);
}
.hero-note span { display: inline-flex; align-items: center; gap: 7px; }
.hero-note svg { width: 17px; height: 17px; color: #8b6849; }
.hero-static { min-height: 570px; height: auto; }
.hero-static .hero-inner { min-height: 570px; }

/* Concern strip */
.concern-strip { background: #fff; border-bottom: 1px solid var(--line); }
.concern-inner { display: grid; grid-template-columns: 220px 1fr; align-items: center; gap: 40px; min-height: 170px; }
.concern-inner h2 { margin: 0; font-size: 25px; line-height: 1.35; letter-spacing: -.04em; }
.concern-list { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); }
.concern-list a { display: flex; flex-direction: column; align-items: center; justify-content: center; min-width: 0; min-height: 126px; gap: 12px; border-left: 1px solid var(--line); color: #464e4b; transition: background .2s ease, color .2s ease; }
.concern-list a:last-child { border-right: 1px solid var(--line); }
.concern-list a:hover { color: var(--primary); background: #fbfaf8; }
.concern-thumb { width: 66px; height: 66px; border-radius: 50%; overflow: hidden; background: var(--accent-soft); box-shadow: inset 0 0 0 1px rgba(0,0,0,.04); }
.concern-thumb img { width: 100%; height: 100%; object-fit: cover; }
.concern-label { font-size: 13px; font-weight: 650; white-space: nowrap; }

/* Sections */
.section { padding: 104px 0; }
.section-compact { padding: 78px 0; }
.section-white { background: #fff; }
.section-soft { background: #f0ece6; }
.section-dark { color: #fff; background: var(--primary-dark); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 28px; margin-bottom: 40px; }
.section-head-center { max-width: 760px; margin: 0 auto 44px; text-align: center; }
.section-kicker { margin: 0 0 10px; color: var(--accent); font-size: 13px; font-weight: 730; letter-spacing: .05em; }
.section-title { margin: 0; font-size: clamp(32px, 3.4vw, 47px); line-height: 1.22; letter-spacing: -.055em; }
.section-desc { max-width: 640px; margin: 14px 0 0; color: var(--muted); font-size: 16px; }

/* Criteria */
.criteria-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.criteria-item { padding: 32px 28px; border-left: 1px solid var(--line); }
.criteria-item:last-child { border-right: 1px solid var(--line); }
.criteria-icon { display: flex; align-items: center; justify-content: center; width: 46px; height: 46px; margin-bottom: 22px; color: var(--primary); background: var(--primary-soft); border-radius: 50%; }
.criteria-icon svg { width: 23px; height: 23px; }
.criteria-item h3 { margin: 0 0 9px; font-size: 18px; }
.criteria-item p { margin: 0; color: var(--muted); font-size: 14px; }

/* Carousel cards */
.carousel-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; }
.info-card { position: relative; min-width: 0; overflow: hidden; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm); transition: transform .22s ease, box-shadow .22s ease; }
.info-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-image { position: relative; aspect-ratio: 1.52 / 1; overflow: hidden; background: #e8e3dd; }
.card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s ease; }
.info-card:hover .card-image img { transform: scale(1.025); }
.card-number { position: absolute; left: 0; top: 0; display: grid; place-items: center; width: 52px; height: 42px; color: #fff; background: #1d2422; font-size: 13px; font-weight: 750; letter-spacing: .04em; }
.card-body { display: flex; flex-direction: column; min-height: 278px; padding: 26px 26px 24px; }
.card-category { align-self: flex-start; display: inline-flex; align-items: center; min-height: 30px; margin-bottom: 13px; padding: 0 11px; color: #fff; background: var(--primary); border-radius: 7px; font-size: 12px; font-weight: 720; letter-spacing: -.01em; }
.card-title { margin: 0; font-size: 22px; line-height: 1.4; letter-spacing: -.045em; }
.card-text { margin: 13px 0 24px; color: var(--muted); font-size: 14px; line-height: 1.72; }
.card-link { display: inline-flex; align-items: center; gap: 8px; margin-top: auto; color: var(--primary); font-size: 14px; font-weight: 710; }
.card-link svg { width: 17px; height: 17px; }

/* Region split */
.region-split { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.region-card { position: relative; min-height: 390px; overflow: hidden; color: #fff; background: #172825; }
.region-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .76; transition: transform .6s ease, opacity .3s ease; }
.region-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(8,29,26,.88), rgba(8,29,26,.06) 70%); }
.region-card:hover img { transform: scale(1.025); opacity: .82; }
.region-copy { position: absolute; z-index: 1; left: 34px; right: 34px; bottom: 32px; }
.region-copy small { display: inline-block; margin-bottom: 8px; color: #e6d3b8; font-weight: 700; }
.region-copy h3 { margin: 0 0 9px; font-size: 30px; letter-spacing: -.045em; }
.region-copy p { max-width: 500px; margin: 0 0 18px; color: rgba(255,255,255,.82); font-size: 14px; }
.region-copy a { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 700; }
.region-copy svg { width: 17px; height: 17px; }

/* Blog */
.blog-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 20px; }
.blog-card { overflow: hidden; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm); transition: transform .2s ease, box-shadow .2s ease; }
.blog-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.blog-card-image { aspect-ratio: 1.65/1; overflow: hidden; background: var(--accent-soft); }
.blog-card-image img { width: 100%; height: 100%; object-fit: cover; }
.blog-card-body { padding: 22px 20px 23px; }
.blog-meta { display: flex; gap: 9px; align-items: center; margin-bottom: 9px; color: var(--muted); font-size: 12px; }
.blog-category { color: var(--primary); font-weight: 700; }
.blog-card h3 { margin: 0; font-size: 18px; line-height: 1.48; letter-spacing: -.035em; }
.blog-card p { display: -webkit-box; overflow: hidden; margin: 10px 0 16px; color: var(--muted); font-size: 13px; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }

/* Trust */
.trust-row { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); background: rgba(255,255,255,.62); }
.trust-item { display: grid; grid-template-columns: 42px 1fr; gap: 14px; padding: 24px; border-left: 1px solid var(--line); }
.trust-item:first-child { border-left: 0; }
.trust-icon { display: grid; place-items: center; width: 42px; height: 42px; color: var(--primary); background: #fff; border-radius: 50%; box-shadow: var(--shadow-sm); }
.trust-icon svg { width: 21px; height: 21px; }
.trust-item h3 { margin: 0 0 4px; font-size: 15px; }
.trust-item p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.55; }

/* CTA */
.cta-banner { display: grid; grid-template-columns: 1.35fr .65fr; overflow: hidden; background: var(--primary); color: #fff; }
.cta-copy { padding: 48px 52px; }
.cta-copy h2 { margin: 0 0 12px; font-size: 33px; letter-spacing: -.05em; }
.cta-copy p { max-width: 620px; margin: 0 0 24px; color: rgba(255,255,255,.78); }
.cta-visual { position: relative; min-height: 280px; }
.cta-visual img { width: 100%; height: 100%; object-fit: cover; opacity: .86; }
.cta-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--primary), transparent 55%); }

/* Footer */
.site-footer { color: #dae4e0; background: #142925; }
.footer-main { display: grid; grid-template-columns: 1.4fr .8fr .8fr 1fr; gap: 44px; padding: 64px 0 48px; }
.footer-brand .brand-name { color: #fff; }
.footer-brand p { max-width: 390px; margin: 18px 0 0; color: #9eaaa6; font-size: 13px; }
.footer-col h3 { margin: 0 0 15px; color: #fff; font-size: 14px; }
.footer-col a { display: block; margin: 8px 0; color: #aeb9b5; font-size: 13px; }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; padding: 20px 0 28px; border-top: 1px solid rgba(255,255,255,.09); color: #82918c; font-size: 12px; }

/* Article pages */
.page-hero { padding: 92px 0 58px; background: linear-gradient(135deg, #f1ece5, #faf8f5); border-bottom: 1px solid var(--line); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 22px; color: var(--muted); font-size: 13px; }
.breadcrumb a:hover { color: var(--primary); }
.page-hero h1 { max-width: 880px; margin: 0; font-size: clamp(38px, 5vw, 61px); line-height: 1.2; letter-spacing: -.065em; }
.page-hero .lead { max-width: 760px; margin: 22px 0 0; color: #555e5a; font-size: 18px; }
.article-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 70px; padding: 70px 0 110px; }
.article-main { min-width: 0; }
.article-cover { overflow: hidden; margin-bottom: 42px; aspect-ratio: 1.55/1; background: #e8e3dc; }
.article-cover img { width: 100%; height: 100%; object-fit: cover; }
.article-byline { display: flex; flex-wrap: wrap; gap: 10px 20px; margin: 0 0 30px; color: var(--muted); font-size: 13px; }
.article-byline strong { color: var(--text); }
.article-summary { margin: 0 0 44px; padding: 28px 30px; background: #f0ece6; border-left: 3px solid var(--accent); }
.article-summary h2 { margin: 0 0 14px; font-size: 20px; }
.article-summary ul { margin: 0; padding-left: 20px; }
.article-summary li + li { margin-top: 7px; }
.article-main > p { margin: 0 0 20px; color: #3f4945; font-size: 17px; line-height: 1.9; }
.article-section { margin-top: 52px; }
.article-section h2 { margin: 0 0 18px; font-size: 30px; letter-spacing: -.045em; }
.article-section p { margin: 0 0 16px; color: #3f4945; font-size: 16px; line-height: 1.9; }
.check-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 24px 0 0; padding: 0; list-style: none; }
.check-list li { display: flex; align-items: flex-start; gap: 10px; padding: 15px 16px; background: #f7f4ef; border: 1px solid var(--line); font-size: 14px; }
.check-list svg { width: 18px; height: 18px; flex: 0 0 auto; margin-top: 3px; color: var(--primary); }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-question { display: flex; width: 100%; align-items: center; justify-content: space-between; gap: 24px; padding: 20px 0; color: var(--text); background: transparent; text-align: left; font-weight: 700; }
.faq-question svg { width: 19px; height: 19px; transition: transform .2s; }
.faq-item.open .faq-question svg { transform: rotate(45deg); }
.faq-answer { display: none; padding: 0 0 20px; color: var(--muted); }
.faq-item.open .faq-answer { display: block; }
.references { margin-top: 52px; padding-top: 28px; border-top: 1px solid var(--line); }
.references h2 { font-size: 19px; }
.references a { display: inline-flex; margin: 6px 14px 6px 0; color: var(--primary); font-size: 13px; text-decoration: underline; text-underline-offset: 3px; }
.article-sidebar { position: relative; }
.sidebar-sticky { position: sticky; top: 104px; }
.sidebar-box { padding: 26px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.sidebar-box + .sidebar-box { margin-top: 16px; }
.sidebar-box h3 { margin: 0 0 12px; font-size: 18px; }
.sidebar-box p { margin: 0 0 18px; color: var(--muted); font-size: 13px; }
.sidebar-links a { display: block; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.sidebar-links a:last-child { border-bottom: 0; }

/* Blog and content pages */
.blog-index-hero { padding: 88px 0 48px; }
.blog-index-hero h1 { margin: 0; font-size: clamp(42px, 5vw, 62px); letter-spacing: -.06em; }
.blog-index-hero p { max-width: 680px; color: var(--muted); font-size: 17px; }
.blog-index-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; padding-bottom: 110px; }
.blog-index-grid .blog-card h2 { margin: 0; font-size: 21px; line-height: 1.45; }
.prose-page { padding: 90px 0 110px; }
.prose-page h1 { margin: 0 0 22px; font-size: clamp(40px, 5vw, 60px); letter-spacing: -.06em; }
.prose-page .intro { margin-bottom: 50px; color: var(--muted); font-size: 18px; }
.prose-section { padding: 34px 0; border-top: 1px solid var(--line); }
.prose-section h2 { margin: 0 0 14px; font-size: 26px; }
.prose-section p { margin: 0 0 12px; color: #444d49; }

/* Partner */
.partner-hero { display: grid; grid-template-columns: 1.05fr .95fr; min-height: 580px; background: #f1ece5; }
.partner-copy { display: flex; flex-direction: column; justify-content: center; padding: 72px max(48px, calc((100vw - var(--container))/2)); padding-right: 56px; }
.partner-copy h1 { margin: 0; font-size: clamp(42px, 5vw, 66px); line-height: 1.15; letter-spacing: -.065em; }
.partner-copy p { max-width: 620px; color: var(--muted); font-size: 17px; }
.partner-image img { width: 100%; height: 100%; object-fit: cover; }
.partner-benefits { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.partner-benefit { padding: 30px; background: #fff; border: 1px solid var(--line); }
.partner-benefit h3 { margin: 0 0 10px; font-size: 20px; }
.partner-benefit p { margin: 0; color: var(--muted); font-size: 14px; }
.process { display: grid; grid-template-columns: repeat(5,1fr); border: 1px solid var(--line); background: #fff; }
.process-item { padding: 30px 22px; border-left: 1px solid var(--line); }
.process-item:first-child { border-left: 0; }
.process-number { color: var(--accent); font-size: 34px; font-weight: 760; }
.process-item h3 { margin: 8px 0; font-size: 17px; }
.process-item p { margin: 0; color: var(--muted); font-size: 13px; }

/* Mobile fixed button */
.mobile-consult { display: none; }

/* 404 */
.error-page { display: grid; min-height: 70vh; place-items: center; text-align: center; }
.error-page h1 { margin: 0; font-size: 90px; letter-spacing: -.08em; color: var(--accent); }
.error-page p { color: var(--muted); }

@media (max-width: 1080px) {
  .main-nav { gap: 22px; }
  .hero-copy { width: 50%; }
  .criteria-grid { grid-template-columns: repeat(2,1fr); }
  .criteria-item:nth-child(3) { border-top: 1px solid var(--line); }
  .criteria-item:nth-child(4) { border-top: 1px solid var(--line); }
  .blog-grid { grid-template-columns: repeat(2,1fr); }
  .trust-row { grid-template-columns: repeat(2,1fr); }
  .trust-item:nth-child(3) { border-top: 1px solid var(--line); }
  .trust-item:nth-child(3) { border-left: 0; }
  .trust-item:nth-child(4) { border-top: 1px solid var(--line); }
  .footer-main { grid-template-columns: 1.2fr 1fr 1fr; }
  .footer-col:last-child { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  .container, .narrow { width: min(calc(100% - 36px), var(--container)); }
  .main-nav { position: fixed; inset: 78px 0 auto; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 14px 20px 24px; background: #fff; border-bottom: 1px solid var(--line); box-shadow: var(--shadow-md); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 14px 4px; border-bottom: 1px solid var(--line); font-size: 16px; }
  .main-nav a::after { display: none; }
  .menu-toggle { display: inline-flex; }
  .header-actions .btn { display: none; }
  .hero { height: min(calc(100svh - 78px), 62vw); min-height: 640px; max-height: 800px; }
  .hero-inner { min-height: inherit; }
  .hero-video { width: 100%; transform: none; object-position: 50% center; }
  .hero-copy { width: 56%; }
  .hero h1 { font-size: clamp(42px, 7vw, 60px); }
  .hero-text { font-size: 16px; }
  .concern-inner { grid-template-columns: 1fr; gap: 18px; padding: 28px 0; }
  .concern-list { overflow-x: auto; grid-template-columns: repeat(6, 118px); scrollbar-width: none; }
  .concern-list::-webkit-scrollbar { display: none; }
  .concern-list a { border: 0; }
  .carousel-grid { grid-template-columns: repeat(2,1fr); }
  .region-split { grid-template-columns: 1fr; }
  .article-wrap { grid-template-columns: 1fr; gap: 40px; }
  .article-sidebar { order: -1; }
  .sidebar-sticky { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
  .sidebar-box + .sidebar-box { margin-top: 0; }
  .blog-index-grid { grid-template-columns: repeat(2,1fr); }
  .partner-hero { grid-template-columns: 1fr; }
  .partner-copy { padding: 72px 28px 50px; }
  .partner-image { min-height: 420px; }
  .partner-benefits { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr 1fr; }
  .process-item { border-top: 1px solid var(--line); }
  .process-item:nth-child(odd) { border-left: 0; }
  .process-item:first-child, .process-item:nth-child(2) { border-top: 0; }
  .cta-banner { grid-template-columns: 1fr; }
  .cta-visual { min-height: 240px; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-col:last-child { grid-column: auto; }
}

@media (max-width: 640px) {
  body { font-size: 15px; }
  .container, .narrow { width: min(calc(100% - 28px), var(--container)); }
  .header-inner { min-height: 68px; }
  .brand-mark { width: 34px; height: 34px; }
  .brand-name { font-size: 18px; }
  .main-nav { top: 68px; }
  .hero { height: clamp(700px, 88svh, 820px); min-height: 700px; max-height: 820px; }
  .hero-inner { min-height: inherit; align-items: flex-end; padding: 300px 0 86px; }
  .hero-media { background-image: url('/images/yangsan/hero-poster-mobile-stable-v12.webp'); background-position: 64% center; }
  .hero-video { position: absolute; inset: 0; width: 100%; height: 100%; transform: none; object-position: 64% center; opacity: 1; }
  .hero-copy {
    width: 100%;
    padding: 0 4px;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
  .hero h1 { font-size: clamp(35px, 10.2vw, 44px); }
  .hero-text { margin: 16px 0 22px; font-size: 15px; line-height: 1.65; }
  .hero-note { display: none; }
  .button-row .btn { flex: 1 1 150px; min-width: 0; padding-inline: 14px; }
  .hero-static, .hero-static .hero-inner { min-height: 600px; }
  .hero-static .hero-inner { padding-bottom: 230px; }
  .section { padding: 76px 0; }
  .section-compact { padding: 58px 0; }
  .section-head { align-items: flex-start; flex-direction: column; margin-bottom: 28px; }
  .section-title { font-size: 32px; }
  .criteria-grid { grid-template-columns: 1fr; }
  .criteria-item { border-right: 1px solid var(--line); border-top: 1px solid var(--line); }
  .criteria-item:first-child { border-top: 0; }
  .carousel-grid { grid-template-columns: 1fr; gap: 18px; }
  .card-body { min-height: 240px; padding: 23px 21px; }
  .card-title { font-size: 21px; }
  .region-card { min-height: 330px; }
  .region-copy { left: 24px; right: 24px; bottom: 24px; }
  .region-copy h3 { font-size: 27px; }
  .blog-grid, .blog-index-grid { grid-template-columns: 1fr; }
  .trust-row { grid-template-columns: 1fr; }
  .trust-item, .trust-item:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .trust-item:first-child { border-top: 0; }
  .cta-copy { padding: 34px 26px; }
  .cta-copy h2 { font-size: 28px; }
  .footer-main { grid-template-columns: 1fr; gap: 30px; padding-top: 48px; }
  .footer-brand, .footer-col:last-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
  .page-hero { padding: 68px 0 42px; }
  .page-hero h1 { font-size: 39px; }
  .page-hero .lead { font-size: 16px; }
  .article-wrap { padding-top: 44px; }
  .sidebar-sticky { grid-template-columns: 1fr; }
  .article-cover { margin-bottom: 30px; }
  .article-summary { padding: 23px 21px; }
  .article-main > p, .article-section p { font-size: 15px; }
  .article-section h2 { font-size: 25px; }
  .check-list { grid-template-columns: 1fr; }
  .partner-copy h1 { font-size: 39px; }
  .partner-image { min-height: 320px; }
  .process { grid-template-columns: 1fr; }
  .process-item { border-left: 0; border-top: 1px solid var(--line); }
  .process-item:first-child { border-top: 0; }
  .mobile-consult { position: fixed; z-index: 190; display: flex; left: 14px; right: 14px; bottom: 14px; min-height: 52px; align-items: center; justify-content: center; color: #fff; background: var(--primary); border-radius: 10px; box-shadow: 0 15px 35px rgba(13,48,44,.28); font-weight: 720; }
  .site-footer { padding-bottom: 78px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .hero-video { display: none; }
  .hero-media { background-image: url('/images/yangsan/hero-poster-stable-v12.webp'); background-size: cover; background-position: center; }
}