:root {
  --ink: #18312d;
  --ink-2: #38504b;
  --pine: #16473d;
  --pine-2: #0e372f;
  --sage: #dce7df;
  --sage-2: #edf3ef;
  --cream: #f8f5ef;
  --paper: #fffdf9;
  --sand: #e8dfd1;
  --gold: #b3935d;
  --line: rgba(24, 49, 45, 0.15);
  --shadow: 0 24px 70px rgba(24, 49, 45, 0.12);
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --radius: 28px;
  --max: 1200px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 4px; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #d2a65c; outline-offset: 3px; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 999; background: white; padding: 10px 14px; border-radius: 8px; }
.skip-link:focus { top: 12px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.nav-actions .skip-link { position: absolute !important; width: 1px; height: 1px; top: auto; left: auto; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.wrap { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.narrow { width: min(calc(100% - 40px), 820px); margin-inline: auto; }
.eyebrow { margin: 0 0 14px; color: var(--gold); font-size: .76rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3 { margin: 0; line-height: 1.06; font-weight: 500; }
h1, h2 { font-family: var(--serif); letter-spacing: -.035em; }
h1 { font-size: clamp(3.1rem, 6.4vw, 6.25rem); }
h2 { font-size: clamp(2.4rem, 4.8vw, 4.6rem); }
h3 { font-size: 1.26rem; }
p { margin: 0; }
.lead { color: var(--ink-2); font-size: clamp(1.05rem, 1.6vw, 1.3rem); line-height: 1.72; }
.muted { color: #667772; }
.section { padding: 110px 0; }
.section-soft { background: var(--cream); }
.section-dark { color: #fff; background: var(--pine-2); }
.section-head { display: grid; grid-template-columns: 1.1fr .9fr; gap: 80px; align-items: end; margin-bottom: 54px; }
.section-head .lead { max-width: 620px; justify-self: end; }
.pill { display: inline-flex; align-items: center; gap: 8px; min-height: 34px; padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.74); font-size: .78rem; font-weight: 750; letter-spacing: .02em; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: #64a775; box-shadow: 0 0 0 4px rgba(100,167,117,.15); }

.prototype-bar { background: var(--pine-2); color: rgba(255,255,255,.82); font-size: .72rem; letter-spacing: .04em; text-align: center; padding: 7px 40px; }
.prototype-bar strong { color: #fff; }
.info-bar { background: var(--pine-2); color: rgba(255,255,255,.86); font-size: .74rem; letter-spacing: .03em; }
.info-bar .wrap { min-height: 34px; display: flex; justify-content: center; align-items: center; gap: 18px; }
.info-bar a { color: #fff; font-weight: 800; text-decoration: none; }
.site-header { position: sticky; top: 0; z-index: 80; border-bottom: 1px solid rgba(24,49,45,.1); background: rgba(255,253,249,.9); backdrop-filter: blur(16px); }
.nav { height: 78px; display: flex; align-items: center; gap: 34px; }
.brand { position: relative; width: clamp(220px, 23vw, 315px); height: 60px; flex: 0 0 auto; display: block; margin-right: auto; background: url('/assets/yonsei-severance-logo-horizontal.png') left center / contain no-repeat; text-decoration: none; }
.brand-mark, .brand-copy { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0 0 0 0) !important; white-space: nowrap !important; border: 0 !important; }
.brand:has(img) { background-image: none; }
.brand img { width: 100%; height: 100%; object-fit: contain; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { text-decoration: none; font-size: .84rem; font-weight: 700; }
@media (min-width: 981px) { .nav:has([data-journal-menu]) { gap: 18px; } .nav:has([data-journal-menu]) .nav-links { gap: 15px; } .nav:has([data-journal-menu]) .brand { width: 240px; } .nav:has([data-journal-menu]) .nav-links a { font-size: .78rem; } }
.nav-actions { display: flex; align-items: center; gap: 10px; }
@media (min-width: 981px) and (max-width: 1200px) {
  .nav-links { display: none; position: fixed; inset: 78px 0 auto; padding: 24px; background: var(--paper); flex-direction: column; align-items: stretch; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; }
  .nav-actions .menu-button { display: block; }
  .nav-actions .button { white-space: nowrap; }
}
.language-picker { position: relative; display: block; min-width: 154px; }
.language { min-height: 40px; padding: 8px 34px 8px 12px; border: 1px solid rgba(24,49,45,.18); border-radius: 999px; color: var(--ink); background-color: rgba(255,255,255,.88); cursor: pointer; font-weight: 800; box-shadow: 0 5px 18px rgba(24,49,45,.06); }
.nav-actions > .language { width: 154px; }
.language:focus-visible { outline: 3px solid rgba(22,71,61,.22); outline-offset: 2px; }
.locale-switcher { display: inline-flex; align-items: center; gap: 4px; padding: 4px; border: 1px solid rgba(24,49,45,.14); border-radius: 999px; background: rgba(255,255,255,.72); }
.locale-link { min-height: 34px; display: inline-flex; align-items: center; gap: 7px; padding: 6px 10px; border-radius: 999px; color: #62716d; font-size: .76rem; font-weight: 800; text-decoration: none; transition: .2s ease; }
.locale-link:hover { color: var(--ink); background: var(--sage-2); }
.locale-link[aria-current="page"] { color: white; background: var(--pine); box-shadow: 0 5px 14px rgba(22,71,61,.2); }
.locale-flag { font-size: 1.06rem; line-height: 1; }
.menu-button { display: none; border: 0; background: transparent; padding: 9px; cursor: pointer; }
.menu-button span { display: block; width: 24px; height: 1px; margin: 6px 0; background: currentColor; }

.button { display: inline-flex; justify-content: center; align-items: center; gap: 10px; min-height: 50px; padding: 12px 20px; border: 1px solid var(--pine); border-radius: 999px; color: white; background: var(--pine); font-weight: 800; font-size: .88rem; text-decoration: none; cursor: pointer; transition: .2s ease; }
.button:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(22,71,61,.18); background: var(--pine-2); }
.button.secondary { color: var(--ink); background: transparent; }
.button.ghost { color: white; border-color: rgba(255,255,255,.4); background: transparent; }
.button.light { color: var(--pine); border-color: white; background: white; }
.button.small { min-height: 42px; padding: 9px 16px; font-size: .8rem; }
.arrow { font-size: 1.08em; }

.hero { position: relative; min-height: calc(100svh - 110px); display: grid; align-items: stretch; overflow: hidden; background: #dfd2c1; }
.hero-media { position: absolute; inset: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(15,38,34,.9) 0%, rgba(15,38,34,.66) 42%, rgba(15,38,34,.06) 76%), linear-gradient(0deg, rgba(10,35,30,.2), transparent 40%); }
.hero-inner { position: relative; z-index: 1; display: grid; align-content: center; width: min(calc(100% - 40px), var(--max)); margin: auto; padding: 64px 0 76px; color: white; }
.hero h1 { max-width: 820px; }
.hero .eyebrow { color: #dbc18f; }
.hero-copy { max-width: 650px; margin-top: 22px; color: rgba(255,255,255,.86); font-size: clamp(1.04rem, 1.8vw, 1.3rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
.hero-proof .pill { color: white; border-color: rgba(255,255,255,.3); background: rgba(20,48,42,.28); backdrop-filter: blur(9px); }
.hero-sidecard { position: absolute; right: 0; bottom: 42px; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; width: min(430px, 35vw); border-radius: 24px 0 0 24px; overflow: hidden; background: rgba(255,253,249,.93); box-shadow: var(--shadow); backdrop-filter: blur(14px); }
.hero-sidecard div { padding: 22px 24px; }
.hero-sidecard div + div { border-left: 1px solid var(--line); }
.hero-sidecard small { display: block; color: #75827e; font-size: .68rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.hero-sidecard strong { display: block; margin-top: 5px; font-family: var(--serif); font-size: 1.1rem; color: var(--ink); }

.trust-strip { border-bottom: 1px solid var(--line); background: var(--paper); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-item { padding: 32px 26px; border-left: 1px solid var(--line); }
.trust-item:first-child { border-left: 0; }
.trust-item span { display: block; color: var(--gold); font-family: var(--serif); font-size: 1.4rem; }
.trust-item strong { display: block; margin-top: 9px; font-size: .84rem; }
.trust-item small { display: block; color: #71807c; margin-top: 4px; }

.answer-card { display: grid; grid-template-columns: 1fr 1.05fr; gap: 70px; padding: 55px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(135deg, white, var(--sage-2)); box-shadow: 0 16px 60px rgba(24,49,45,.07); }
.answer-card.image-backed { min-height: 590px; align-items: center; border-color: rgba(22,71,61,.16); background-image: linear-gradient(90deg, rgba(255,253,249,.97) 0%, rgba(255,253,249,.91) 43%, rgba(242,248,244,.7) 72%, rgba(235,245,240,.5) 100%), url('/assets/tourist-dental-consultation-v1.jpg'); background-position: center, center; background-size: cover; box-shadow: 0 24px 80px rgba(24,49,45,.12); overflow: hidden; }
.answer-card.image-backed > div:first-child { position: relative; z-index: 1; align-self: center; }
.answer-card.image-backed .answer-body { position: relative; z-index: 1; padding: 30px; border: 1px solid rgba(255,255,255,.74); border-radius: 22px; background: rgba(255,255,255,.83); box-shadow: 0 18px 54px rgba(25,58,50,.09); backdrop-filter: blur(10px); }
.answer-card h2 { font-size: clamp(2.1rem, 4vw, 3.7rem); }
.answer-body { display: grid; align-content: center; gap: 18px; }
.answer-body strong { font-family: var(--serif); font-size: 1.38rem; font-weight: 500; }
.answer-body ul { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.answer-body li { position: relative; padding-left: 24px; color: var(--ink-2); }
.answer-body li::before { content: "✓"; position: absolute; left: 0; color: var(--gold); font-weight: 900; }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.service-card { min-height: 330px; display: flex; flex-direction: column; padding: 30px; border: 1px solid var(--line); border-radius: 22px; background: white; transition: .25s ease; }
.service-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.service-card .index { color: var(--gold); font-family: var(--serif); font-size: 2rem; }
.service-card h3 { margin-top: auto; font-family: var(--serif); font-size: 1.75rem; font-weight: 500; }
.service-card p { margin-top: 12px; color: var(--ink-2); }
.service-card a { margin-top: 22px; font-size: .84rem; font-weight: 800; }
.service-card.featured { color: white; border-color: var(--pine); background: var(--pine); }
.service-card.featured p { color: rgba(255,255,255,.75); }

.journey { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.18); }
.journey article { min-height: 290px; padding: 30px 28px; border-right: 1px solid rgba(255,255,255,.18); }
.journey article:last-child { border-right: 0; }
.journey .num { color: #d9ba80; font-family: var(--serif); font-size: 2.1rem; }
.journey h3 { margin-top: 52px; font-family: var(--serif); font-size: 1.55rem; font-weight: 500; }
.journey p { margin-top: 12px; color: rgba(255,255,255,.68); font-size: .92rem; }
.journey-cta { display: flex; justify-content: space-between; align-items: center; gap: 30px; margin-top: 42px; padding: 28px 32px; border-radius: 18px; background: rgba(255,255,255,.08); }

.planner { display: grid; grid-template-columns: .8fr 1.2fr; border-radius: var(--radius); overflow: hidden; background: white; box-shadow: var(--shadow); }
.planner-control { padding: 50px; background: var(--sage); }
.planner-output { padding: 50px; }
.planner-value { display: flex; align-items: baseline; gap: 10px; margin: 28px 0 18px; }
.planner-value output { font-family: var(--serif); font-size: 4.2rem; line-height: 1; }
input[type="range"] { width: 100%; accent-color: var(--pine); }
.plan-list { display: grid; gap: 12px; margin: 24px 0 0; padding: 0; list-style: none; }
.plan-list li { display: flex; gap: 12px; padding: 14px 0; border-top: 1px solid var(--line); }
.plan-list b { min-width: 78px; color: var(--gold); }

.credentials { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.credential-visual { position: relative; min-height: 570px; display: grid; place-items: center; border-radius: var(--radius); overflow: hidden; background: linear-gradient(150deg, #c9d7ce, #f2eadf); }
.credential-visual::before { content: "L"; color: rgba(255,255,255,.66); font-family: var(--serif); font-size: 20rem; line-height: 1; }
.credential-visual.has-photo::before { display: none; }
.credential-visual.has-photo > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 22%; }
.credential-note { position: absolute; left: 28px; right: 28px; bottom: 28px; padding: 24px; border: 1px solid rgba(255,255,255,.5); border-radius: 18px; background: rgba(255,255,255,.83); backdrop-filter: blur(12px); }
.credential-note strong { display: block; }
.credential-note small { display: block; margin-top: 8px; color: #5e6e69; }
.check-list { display: grid; gap: 18px; margin: 30px 0; padding: 0; list-style: none; }
.check-list li { display: grid; grid-template-columns: 34px 1fr; gap: 12px; }
.check-list span { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; color: white; background: var(--pine); font-size: .76rem; }
.check-list b { display: block; }
.check-list small { display: block; color: #687873; margin-top: 3px; }

.tech-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 18px; }
.tech-card { min-height: 250px; padding: 34px; border-radius: 22px; color: white; background: var(--pine); }
.tech-card h3 { max-width: 420px; margin-top: 74px; font-family: var(--serif); font-size: 2rem; font-weight: 500; }
.tech-card p { max-width: 520px; margin-top: 12px; color: rgba(255,255,255,.7); }
.tech-list { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.tech-list article { padding: 28px; border: 1px solid var(--line); border-radius: 20px; background: white; }
.tech-list .icon { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 12px; color: var(--pine); background: var(--sage); }
.tech-list h3 { margin-top: 44px; font-family: var(--serif); font-size: 1.38rem; }
.tech-list p { margin-top: 8px; color: #6a7975; font-size: .87rem; }

.fee-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.fee-card { padding: 30px; border: 1px solid var(--line); border-radius: 20px; }
.fee-card small { color: var(--gold); font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.fee-card h3 { margin-top: 14px; font-family: var(--serif); font-size: 1.65rem; }
.fee-card p { margin-top: 12px; color: #63736f; }
.fee-card ul { padding-left: 18px; color: var(--ink-2); }
.price-note { display: flex; justify-content: space-between; align-items: center; gap: 30px; margin-top: 22px; padding: 24px 28px; border-radius: 18px; background: var(--sage-2); }

.faq { display: grid; grid-template-columns: .7fr 1.3fr; gap: 70px; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { display: flex; justify-content: space-between; gap: 24px; padding: 23px 0; cursor: pointer; font-family: var(--serif); font-size: 1.24rem; font-weight: 600; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; flex: 0 0 auto; color: var(--gold); font-family: var(--sans); }
details[open] summary::after { content: "–"; }
details p { padding: 0 40px 24px 0; color: var(--ink-2); }

.visit { display: grid; grid-template-columns: 1fr 1fr; min-height: 570px; }
.map-card { position: relative; overflow: hidden; background: #dfe6e0; }
.map-grid { position: absolute; inset: 0; opacity: .65; background-image: linear-gradient(rgba(22,71,61,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(22,71,61,.12) 1px, transparent 1px); background-size: 48px 48px; transform: rotate(-6deg) scale(1.2); }
.river { position: absolute; left: -10%; right: -10%; top: 48%; height: 90px; border: solid rgba(255,255,255,.8); border-width: 24px 0; transform: rotate(-7deg); }
.pin { position: absolute; left: 57%; top: 38%; width: 70px; height: 70px; display: grid; place-items: center; border: 14px solid rgba(255,255,255,.72); border-radius: 50% 50% 50% 0; color: white; background: var(--pine); transform: rotate(-45deg); box-shadow: 0 18px 30px rgba(22,71,61,.28); }
.pin span { transform: rotate(45deg); font-family: var(--serif); font-size: 1.4rem; }
.visit-copy { display: grid; align-content: center; padding: clamp(42px, 7vw, 90px); color: white; background: var(--pine-2); }
.visit-copy h2 { max-width: 570px; }
.visit-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-top: 38px; }
.visit-meta small { display: block; color: #d8bd8a; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.visit-meta p { margin-top: 7px; color: rgba(255,255,255,.78); }

.final-cta { padding: 110px 0; text-align: center; background: var(--cream); }
.final-cta h2 { max-width: 920px; margin: auto; }
.final-cta p { max-width: 670px; margin: 24px auto 0; color: var(--ink-2); font-size: 1.14rem; }
.final-cta .hero-actions { justify-content: center; }

.contact-rail { position: fixed; z-index: 68; right: 18px; top: 50%; display: grid; gap: 8px; transform: translateY(-50%); }
.contact-rail a { position: relative; width: 48px; height: 48px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.4); border-radius: 50%; color: white; background: rgba(14,55,47,.94); box-shadow: 0 10px 24px rgba(0,0,0,.16); font-size: .72rem; font-weight: 900; text-decoration: none; backdrop-filter: blur(12px); }
.contact-rail a:hover { transform: translateX(-3px); background: var(--gold); }
.contact-rail a::after { content: attr(aria-label); position: absolute; right: 58px; padding: 7px 10px; border-radius: 8px; color: white; background: rgba(11,43,37,.94); font-size: .72rem; white-space: nowrap; opacity: 0; pointer-events: none; transform: translateX(6px); transition: .18s ease; }
.contact-rail a:hover::after, .contact-rail a:focus-visible::after { opacity: 1; transform: translateX(0); }
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 34px; }
.contact-card { display: flex; flex-direction: column; min-height: 190px; padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: white; text-decoration: none; transition: .2s ease; }
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.contact-card small { color: var(--gold); font-size: .68rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.contact-card strong { margin-top: auto; font-family: var(--serif); font-size: 1.25rem; }
.contact-card span { margin-top: 7px; color: #667772; font-size: .82rem; }
.facility-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 16px; }
.facility-card { position: relative; min-height: 420px; border-radius: 22px; overflow: hidden; background: var(--sage); }
.facility-card img { width: 100%; height: 100%; object-fit: cover; }
.facility-card figcaption { position: absolute; left: 18px; right: 18px; bottom: 18px; padding: 15px 17px; border-radius: 13px; color: white; background: rgba(11,43,37,.82); backdrop-filter: blur(10px); }
.facility-card figcaption strong, .facility-card figcaption small { display: block; }
.facility-card figcaption small { margin-top: 3px; color: rgba(255,255,255,.7); }
.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.case-card { overflow: hidden; border: 1px solid var(--line); border-radius: 22px; background: white; }
.case-images { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; background: var(--line); }
.case-image { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: #e5e5e2; }
.case-image img { width: 100%; height: 100%; object-fit: cover; }
.case-image span { position: absolute; left: 10px; top: 10px; padding: 5px 8px; border-radius: 999px; color: white; background: rgba(11,43,37,.76); font-size: .62rem; font-weight: 900; letter-spacing: .08em; }
.case-copy { padding: 22px 24px 25px; }
.case-copy h3 { font-family: var(--serif); font-size: 1.48rem; }
.case-copy p { margin-top: 8px; color: #667772; font-size: .88rem; }
.case-gallery { padding: 112px 0; color: white; background: #080a0a; overflow: hidden; }
.case-gallery .eyebrow { color: #d4a261; }
.case-gallery-head { display: flex; justify-content: space-between; align-items: end; gap: 48px; margin-bottom: 42px; }
.case-gallery-head h2 { font-family: var(--sans); font-size: clamp(2.8rem, 5.4vw, 5.3rem); font-weight: 780; letter-spacing: -.045em; }
.case-gallery-head p { max-width: 480px; color: rgba(255,255,255,.58); font-size: 1.02rem; }
.case-track { display: flex; gap: 24px; overflow-x: auto; overscroll-behavior-inline: contain; scroll-snap-type: x mandatory; scrollbar-width: none; }
.case-track::-webkit-scrollbar { display: none; }
.case-slide { min-width: 100%; scroll-snap-align: start; }
.case-slide-head { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; margin-bottom: 24px; }
.case-slide-head h3 { font-family: var(--sans); font-size: clamp(1.8rem, 3.6vw, 3.4rem); font-weight: 760; letter-spacing: -.035em; }
.case-slide-head span { color: rgba(255,255,255,.48); font-size: .82rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.case-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.case-frame { position: relative; aspect-ratio: 16 / 9; overflow: hidden; border-radius: 24px; background: #161919; }
.case-frame img { width: 100%; height: 100%; object-fit: cover; }
.case-frame b { position: absolute; left: 18px; bottom: 18px; padding: 8px 16px; border-radius: 999px; color: white; background: rgba(0,0,0,.74); font-size: .75rem; letter-spacing: .08em; }
.case-frame.after b { background: #164d86; }
.case-carousel-controls { display: grid; grid-template-columns: 54px minmax(120px, 420px) 54px; justify-content: center; align-items: center; gap: 22px; margin-top: 30px; }
.case-nav { width: 54px; height: 54px; display: grid; place-items: center; border: 0; border-radius: 50%; color: #164d86; background: white; box-shadow: 0 12px 34px rgba(0,0,0,.28); cursor: pointer; font-size: 1.8rem; transition: .2s ease; }
.case-nav:hover { transform: translateY(-2px); }
.case-progress { height: 5px; display: flex; overflow: hidden; border-radius: 999px; background: #252828; }
.case-progress button { flex: 1; border: 0; background: transparent; cursor: pointer; }
.case-progress button.active { background: #d4a261; border-radius: 999px; }
.case-disclaimer { max-width: 860px; margin: 22px auto 0; color: rgba(255,255,255,.42); text-align: center; font-size: .76rem; }
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.testimonial { display: flex; flex-direction: column; min-height: 330px; padding: 28px; border: 1px solid var(--line); border-radius: 20px; background: white; }
.testimonial blockquote { margin: 0; color: var(--ink-2); font-family: var(--serif); font-size: 1.14rem; line-height: 1.55; }
.testimonial footer { margin-top: auto; padding-top: 24px; color: var(--ink); font-size: .82rem; }
.testimonial footer strong, .testimonial footer span { display: block; }
.testimonial footer span { color: #75827e; margin-top: 3px; }
.doctor-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 26px 0; }
.doctor-facts div { padding: 15px 16px; border-radius: 13px; background: var(--sage-2); }
.doctor-facts small { display: block; color: #71807c; font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 800; }
.doctor-facts strong { display: block; margin-top: 5px; font-size: .87rem; }
.safety-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.safety-image { min-height: 430px; border-radius: 24px; overflow: hidden; }
.safety-image img { width: 100%; height: 100%; object-fit: cover; }
.safety-copy { display: grid; align-content: center; gap: 20px; padding: clamp(28px, 5vw, 62px); border-radius: 24px; color: white; background: var(--pine); }
.safety-points { display: grid; gap: 13px; padding: 0; margin: 0; list-style: none; }
.safety-points li { padding-top: 13px; border-top: 1px solid rgba(255,255,255,.18); }

.travel-help { position: relative; padding: 110px 0; color: white; background: radial-gradient(circle at 15% 10%, rgba(46,150,119,.22), transparent 35%), linear-gradient(135deg, #071d19 0%, #0e342c 68%, #163e34 100%); overflow: hidden; }
.travel-help::after { content: ""; position: absolute; width: 340px; height: 340px; right: -120px; bottom: -180px; border: 70px solid rgba(255,255,255,.035); border-radius: 50%; }
.travel-help-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.12fr .88fr; gap: 76px; align-items: center; }
.travel-help .eyebrow { color: #90dec7; }
.urgent-badge { display: inline-flex; align-items: center; gap: 9px; margin: 14px 0 24px; padding: 8px 13px; border: 1px solid rgba(255,255,255,.17); border-radius: 999px; color: white; background: rgba(255,255,255,.08); font-size: .72rem; font-weight: 900; letter-spacing: .11em; }
.urgent-badge::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: #ff6e64; box-shadow: 0 0 0 6px rgba(255,110,100,.14); }
.travel-help h2 { max-width: 760px; font-family: var(--sans); font-size: clamp(3rem, 5.8vw, 6rem); font-weight: 800; line-height: .98; letter-spacing: -.055em; }
.travel-help-copy { max-width: 720px; margin-top: 26px; color: rgba(255,255,255,.7); font-size: 1.08rem; }
.travel-help .hero-actions { margin-top: 34px; }
.urgent-chat { color: #09251f; background: #d4ffef; box-shadow: 0 14px 34px rgba(122,255,208,.12); }
.urgent-call { color: white; border: 1px solid rgba(255,255,255,.28); background: transparent; }
.urgent-panel { padding: 34px; border: 1px solid rgba(255,255,255,.14); border-radius: 28px; background: rgba(5,22,18,.58); box-shadow: 0 24px 80px rgba(0,0,0,.2); backdrop-filter: blur(18px); }
.urgent-panel > small { color: #90dec7; font-size: .69rem; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
.urgent-panel h3 { margin-top: 10px; font-family: var(--sans); font-size: 1.7rem; }
.urgent-checklist { display: grid; gap: 12px; margin: 22px 0 0; padding: 0; list-style: none; }
.urgent-checklist li { display: flex; gap: 12px; color: rgba(255,255,255,.76); }
.urgent-checklist li::before { content: "\2713"; color: #90dec7; font-weight: 900; }
.real-emergency { margin-top: 27px; padding-top: 23px; border-top: 1px solid rgba(255,255,255,.15); }
.real-emergency strong { color: #ff928b; }
.real-emergency p { margin: 8px 0 15px; color: rgba(255,255,255,.58); font-size: .82rem; }
.emergency-number { display: inline-flex; align-items: center; gap: 9px; color: white; font-weight: 900; text-decoration: none; }
.emergency-number::before { content: "119"; padding: 5px 8px; border-radius: 8px; background: #d63d37; font-size: .72rem; letter-spacing: .05em; }
.urgent-note { position: relative; z-index: 1; width: min(calc(100% - 40px), var(--max)); margin: 28px auto 0; color: rgba(255,255,255,.42); font-size: .76rem; }

.location-section { padding: 112px 0; color: white; background: #080a0a; }
.location-title { margin-bottom: 44px; font-family: var(--sans); font-size: clamp(3rem, 5vw, 5.2rem); font-weight: 800; letter-spacing: -.05em; }
.location-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: start; }
.location-map-shell { overflow: hidden; border: 1px solid rgba(255,255,255,.12); border-radius: 24px; background: #171a1a; }
.location-map-shell iframe { width: 100%; height: 480px; display: block; border: 0; filter: saturate(.75) contrast(1.04); }
.map-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; }
.map-action { min-height: 58px; display: flex; justify-content: center; align-items: center; gap: 10px; padding: 13px 18px; border-radius: 16px; color: #101312; background: white; font-weight: 850; text-decoration: none; }
.map-action.google { grid-column: 1 / -1; }
.map-action.naver { color: white; background: #03c75a; }
.map-action.kakao { background: #fee500; }
.location-details { display: grid; }
.location-block { padding: 0 0 28px; border-bottom: 1px solid rgba(255,255,255,.13); }
.location-block + .location-block { padding-top: 28px; }
.location-block small { display: block; margin-bottom: 12px; color: rgba(255,255,255,.36); font-size: .68rem; font-weight: 900; letter-spacing: .18em; text-transform: uppercase; }
.location-block strong { display: block; color: white; font-size: clamp(1.12rem, 2vw, 1.55rem); line-height: 1.45; }
.location-block p { margin-top: 9px; color: rgba(255,255,255,.52); }
.hours-list { display: grid; gap: 11px; }
.hours-row { display: flex; justify-content: space-between; gap: 24px; color: rgba(255,255,255,.6); }
.hours-row b { color: white; }
.location-phone { color: white; font-family: var(--sans); font-size: clamp(2rem, 3vw, 3.2rem); font-weight: 780; text-decoration: none; }
.review-link { display: inline-flex; align-items: center; gap: 10px; color: white; font-size: 1.08rem; font-weight: 780; text-decoration: none; }
.review-link span { color: #ffd33d; }

.social-dock { position: fixed; z-index: 69; right: 20px; top: 50%; width: 172px; transform: translateY(-50%); filter: drop-shadow(0 20px 34px rgba(0,0,0,.18)); }
.social-dock-card { overflow: hidden; border: 1px solid rgba(24,49,45,.12); border-radius: 26px; background: rgba(255,255,255,.95); backdrop-filter: blur(18px); }
.social-dock-link { min-height: 108px; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 8px; padding: 14px 10px; color: #34383c; text-decoration: none; text-align: center; transition: .2s ease; }
.social-dock-link + .social-dock-link { border-top: 1px solid rgba(24,49,45,.1); }
.social-dock-link:hover { background: #f7f8f7; }
.social-dock-link svg { width: 35px; height: 35px; }
.social-dock-link strong { font-size: .91rem; }
.social-dock-link small { margin-top: -5px; color: #18a957; font-size: .74rem; font-weight: 850; }
.social-dock-link.line-channel small { color: #06a947; }
.line-button { color: #fff !important; border-color: #06c755 !important; background: #06c755 !important; }
.line-button:hover { border-color: #05b94d !important; background: #05b94d !important; }
.social-book { min-height: 58px; display: flex; justify-content: center; align-items: center; gap: 10px; margin-top: 12px; border-radius: 999px; color: #2e2a20; background: #ffc229; font-weight: 900; text-decoration: none; box-shadow: 0 12px 30px rgba(255,194,41,.28); }
.social-book svg { width: 22px; height: 22px; }

.site-footer { padding: 56px 0 100px; color: rgba(255,255,255,.74); background: #0b2b25; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 44px; }
.site-footer .brand { width: min(100%, 280px); height: 190px; border-radius: 18px; background-image: url('/assets/yonsei-severance-logo-stacked.png'); background-position: center; background-size: contain; background-color: white; }
.site-footer .brand:has(img) { background-image: none; overflow: hidden; }
@media (min-width: 981px) and (max-width: 1280px) { .nav { gap: 18px; } .nav-links { gap: 15px; } .brand { width: 250px; } .nav-links a { font-size: .78rem; } }
.site-footer h3 { color: white; font-family: var(--serif); font-size: 1rem; }
.site-footer a { display: block; width: max-content; margin-top: 9px; font-size: .86rem; text-decoration: none; }
.site-footer p { max-width: 420px; margin-top: 20px; font-size: .86rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; margin-top: 52px; padding-top: 26px; border-top: 1px solid rgba(255,255,255,.14); font-size: .76rem; }

.mobile-bar { display: none; position: fixed; z-index: 70; left: 12px; right: 12px; bottom: 12px; padding: 8px; border: 1px solid rgba(255,255,255,.4); border-radius: 18px; background: rgba(12,43,37,.94); box-shadow: 0 16px 50px rgba(0,0,0,.28); backdrop-filter: blur(14px); }
.mobile-bar .button { flex: 1; min-height: 46px; }

dialog { width: min(calc(100% - 28px), 720px); max-height: min(850px, calc(100svh - 30px)); padding: 0; border: 0; border-radius: 26px; color: var(--ink); background: var(--paper); box-shadow: 0 30px 100px rgba(0,0,0,.3); }
dialog::backdrop { background: rgba(5,26,22,.7); backdrop-filter: blur(5px); }
.dialog-head { position: sticky; top: 0; z-index: 2; display: flex; justify-content: space-between; gap: 20px; padding: 26px 30px 20px; border-bottom: 1px solid var(--line); background: rgba(255,253,249,.94); backdrop-filter: blur(10px); }
.dialog-head h2 { font-size: 2rem; }
.dialog-close { width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 50%; background: white; cursor: pointer; }
.consult-form { display: grid; gap: 20px; padding: 26px 30px 34px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label { display: grid; gap: 7px; font-size: .82rem; font-weight: 800; }
input, select, textarea { width: 100%; min-height: 48px; padding: 11px 13px; border: 1px solid #bcc9c4; border-radius: 10px; color: var(--ink); background: white; }
textarea { min-height: 108px; resize: vertical; }
.consent { grid-template-columns: auto 1fr; align-items: start; font-weight: 500; color: #5e6d69; }
.consent input { width: 18px; min-height: 18px; margin-top: 4px; }
.form-note { padding: 12px 14px; border-radius: 10px; color: #5c6c67; background: var(--sage-2); font-size: .78rem; }
.form-success { display: none; padding: 30px; }
.form-success.show { display: block; }
.form-success pre { white-space: pre-wrap; padding: 18px; border-radius: 12px; color: var(--ink); background: var(--cream); font: .82rem/1.55 var(--sans); }

.sub-hero { padding: 96px 0 72px; background: var(--cream); }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 30px; color: #73817d; font-size: .78rem; }
.breadcrumbs a { text-decoration: none; }
.sub-hero h1 { max-width: 950px; font-size: clamp(3rem, 7vw, 6.4rem); }
.sub-hero .lead { max-width: 760px; margin-top: 25px; }
.service-facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 50px; background: var(--line); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.service-facts div { padding: 22px; background: white; }
.service-facts small { display: block; color: #75827e; text-transform: uppercase; letter-spacing: .08em; font-size: .67rem; font-weight: 800; }
.service-facts strong { display: block; margin-top: 7px; font-family: var(--serif); font-size: 1.12rem; }
.article-layout { display: grid; grid-template-columns: 260px 1fr; gap: 70px; }
.toc { position: sticky; top: 110px; align-self: start; padding: 24px; border: 1px solid var(--line); border-radius: 18px; }
.toc strong { display: block; margin-bottom: 12px; }
.toc a { display: block; padding: 8px 0; color: #62726d; font-size: .84rem; text-decoration: none; }
.prose { max-width: 800px; }
.prose section + section { margin-top: 70px; }
.prose h2 { font-size: clamp(2rem, 4vw, 3.3rem); }
.prose h3 { margin-top: 30px; font-family: var(--serif); font-size: 1.5rem; }
.prose p { margin-top: 16px; color: var(--ink-2); }
.prose ul, .prose ol { color: var(--ink-2); }
.callout { margin-top: 28px; padding: 24px; border-left: 4px solid var(--gold); border-radius: 0 14px 14px 0; background: var(--sage-2); }
.booking-page { display: grid; grid-template-columns: .75fr 1.25fr; gap: 30px; align-items: start; }
.booking-aside { position: sticky; top: 110px; padding: 34px; border-radius: 24px; color: white; background: var(--pine); }
.booking-aside h2 { font-size: 2.6rem; }
.booking-aside ul { padding-left: 18px; color: rgba(255,255,255,.78); }
.booking-panel { padding: 34px; border: 1px solid var(--line); border-radius: 24px; background: white; box-shadow: var(--shadow); }

@media (max-width: 980px) {
  .brand { width: 245px; }
  .nav-links { display: none; position: fixed; inset: 109px 0 0; padding: 35px 20px; background: var(--paper); flex-direction: column; align-items: stretch; gap: 0; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 17px 0; border-bottom: 1px solid var(--line); font-family: var(--serif); font-size: 1.55rem; }
  .nav-actions .button { display: none; }
  .menu-button { display: block; }
  .hero-sidecard { display: none; }
  .hero-media::after { background: linear-gradient(90deg, rgba(15,38,34,.88), rgba(15,38,34,.4)), linear-gradient(0deg, rgba(15,38,34,.28), transparent); }
  .section-head, .answer-card, .credentials, .planner, .faq, .booking-page { grid-template-columns: 1fr; gap: 34px; }
  .section-head .lead { justify-self: start; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .journey { grid-template-columns: 1fr 1fr; }
  .journey article:nth-child(2) { border-right: 0; }
  .journey article:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.18); }
  .tech-grid { grid-template-columns: 1fr; }
  .visit { grid-template-columns: 1fr; }
  .map-card { min-height: 380px; }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .article-layout { grid-template-columns: 1fr; }
  .toc, .booking-aside { position: static; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
  .facility-grid { grid-template-columns: 1fr 1fr; }
  .facility-card:first-child { grid-column: 1 / -1; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .social-dock { display: none; }
  .location-layout { grid-template-columns: 1fr; gap: 44px; }
  .travel-help-grid { grid-template-columns: 1fr; gap: 42px; }
}

@media (max-width: 680px) {
  .wrap, .narrow { width: min(calc(100% - 28px), var(--max)); }
  .section { padding: 76px 0; }
  .prototype-bar { padding-inline: 16px; }
  .info-bar .wrap { min-height: 36px; justify-content: space-between; gap: 10px; font-size: .68rem; white-space: nowrap; }
  .info-bar .wrap span:nth-of-type(n+2) { display: none; }
  .nav { height: 70px; gap: 8px; }
  .brand { width: 148px; height: 48px; }
  .language-picker { min-width: 112px; }
  .language { max-width: 112px; min-height: 38px; padding: 7px 22px 7px 8px; font-size: .75rem; }
  .nav-actions > .language { width: 112px; }
  .locale-switcher { gap: 1px; padding: 3px; }
  .locale-link { min-width: 34px; justify-content: center; padding: 6px; }
  .locale-text { display: none; }
  .hero { min-height: 760px; }
  .hero-inner { width: calc(100% - 28px); padding: 68px 0 165px; align-content: end; }
  .hero h1 { font-size: clamp(3rem, 15vw, 4.9rem); }
  .hero-copy { font-size: 1rem; }
  .hero-actions .button { width: 100%; }
  .hero-proof { display: none; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .trust-item:nth-child(3) { border-left: 0; }
  .trust-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .answer-card { padding: 30px 24px; }
  .answer-card.image-backed { min-height: 0; background-image: linear-gradient(180deg, rgba(255,253,249,.91) 0%, rgba(255,253,249,.86) 42%, rgba(238,246,242,.78) 100%), url('/assets/tourist-dental-consultation-v1.jpg'); background-position: center, 68% center; }
  .answer-card.image-backed .answer-body { padding: 22px 18px; border-radius: 18px; }
  .card-grid, .fee-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 270px; }
  .journey { grid-template-columns: 1fr; }
  .journey article { min-height: 230px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.18); }
  .journey h3 { margin-top: 32px; }
  .journey-cta, .price-note { align-items: stretch; flex-direction: column; }
  .planner-control, .planner-output { padding: 32px 24px; }
  .credential-visual { min-height: 430px; }
  .tech-list { grid-template-columns: 1fr; }
  .visit-meta { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .site-footer .brand { width: 220px; height: 158px; }
  .footer-bottom { flex-direction: column; }
  .mobile-bar { display: flex; gap: 8px; }
  .mobile-bar .button.secondary { color: white; border-color: rgba(255,255,255,.35); }
  .form-grid { grid-template-columns: 1fr; }
  .dialog-head, .consult-form { padding-inline: 20px; }
  .service-facts { grid-template-columns: 1fr 1fr; }
  .booking-panel { padding: 24px 18px; }
  .site-footer { padding-bottom: 120px; }
  .contact-rail { display: none; }
  .contact-grid, .case-grid, .facility-grid, .safety-grid { grid-template-columns: 1fr; }
  .facility-card:first-child { grid-column: auto; }
  .facility-card { min-height: 330px; }
  .doctor-facts { grid-template-columns: 1fr; }
  .case-gallery, .location-section { padding: 78px 0; }
  .travel-help { padding: 78px 0; }
  .travel-help h2 { font-size: clamp(2.75rem, 13vw, 4.25rem); }
  .urgent-panel { padding: 26px 22px; border-radius: 22px; }
  .case-gallery-head { display: grid; gap: 18px; margin-bottom: 34px; }
  .case-slide-head { align-items: end; }
  .case-pair { grid-template-columns: 1fr; gap: 12px; }
  .case-frame { aspect-ratio: 16 / 9; border-radius: 18px; }
  .case-carousel-controls { grid-template-columns: 48px minmax(100px, 1fr) 48px; gap: 14px; }
  .case-nav { width: 48px; height: 48px; }
  .location-title { margin-bottom: 30px; }
  .location-map-shell iframe { height: 340px; }
  .map-actions { grid-template-columns: 1fr; }
  .map-action.google { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}