/* 더봄 하드렌즈 연구소 — 2단계 디자인
   색: 네이비·샌드·화이트 + 포인트 1색(앰버/구리 — 앰버 착색 하드렌즈를 연상).
   글꼴: 제목 Noto Serif KR 300/400, 본문 Noto Sans KR, 영문 아이브로 Cormorant Garamond 이탤릭. */
:root {
  --navy: #0F2340;
  --navy-deep: #0A1830;
  --navy-raise: #16305A;
  --sand: #EADBC8;
  --sand-soft: #F3EADF;
  --paper: #FBF8F3;
  --ink: #18202C;
  --muted: #4E545C;
  --on-navy: #F4F1EC;
  --on-navy-muted: #B9C3D3;
  --amber: #D99A55;          /* 네이비 위 포인트(대비 6.8:1) */
  --copper: #7A4419;         /* 밝은 바탕 위 포인트 글자(샌드 대비 5.4:1) */
  --line: rgba(15, 35, 64, .14);
  --line-dark: rgba(255, 255, 255, .16);
  --glass: rgba(255, 255, 255, .08);
  --serif: "Noto Serif KR", "Nanum Myeongjo", "AppleMyungjo", "Batang", serif;
  --sans: "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  --latin: "Cormorant Garamond", "Times New Roman", serif;
  --r-xl: 56px;
  --r-lg: 28px;
  --r-md: 18px;
  --wrap: 1200px;
  --pad-x: clamp(20px, 5vw, 64px);
  --pad-y: clamp(72px, 9vw, 128px);
  --nav-h: 64px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--navy-deep); color: var(--ink);
  font: 400 16px/1.75 var(--sans); letter-spacing: -0.005em; word-break: keep-all; overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--serif); font-weight: 300; letter-spacing: -0.02em; margin: 0; line-height: 1.25; }
h2 { font-size: clamp(30px, 4.2vw, 52px); }
h3 { font-size: clamp(19px, 1.7vw, 23px); font-weight: 400; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 6px; }
/* 밝은 바탕에서는 네이비 링(앰버는 대비 3:1 미만), 그 안의 어두운 카드에서는 다시 앰버 */
.light :focus-visible, .sand :focus-visible { outline-color: var(--navy); }
.light .sig-card.x :focus-visible, .sand .mapcard :focus-visible, .light .fit-card.warn :focus-visible { outline-color: var(--amber); }
.quick-btn:focus-visible { outline-color: var(--navy); box-shadow: 0 0 0 5px #fff; }
.skip { position: absolute; left: 16px; top: -60px; z-index: 100; background: var(--amber); color: var(--navy-deep); padding: 10px 16px; border-radius: 10px; text-decoration: none; font-weight: 700; }
.skip:focus { top: 16px; }
.wrap { width: min(var(--wrap), 100%); margin: 0 auto; }
.eyebrow { font: italic 500 clamp(15px, 1.3vw, 18px)/1.3 var(--latin); letter-spacing: .12em; color: var(--copper); margin-bottom: 14px; }
.dark .eyebrow, .deep .eyebrow, .hero .eyebrow, .mapcard .eyebrow { color: var(--amber); }
.lead { color: var(--muted); font-size: clamp(16px, 1.25vw, 18px); max-width: 640px; margin-top: 18px; }
.dark .lead, .deep .lead { color: var(--on-navy-muted); }
.note { color: var(--muted); font-size: 14px; }
.dark .note, .deep .note, .sig-card.x .note { color: var(--on-navy-muted); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* 버튼 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 26px;
  border-radius: 999px; border: 1px solid currentColor; text-decoration: none; font-weight: 500; font-size: 16px;
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn.solid { background: var(--navy); color: var(--on-navy); border-color: var(--navy); }
.btn.solid:hover { background: var(--navy-raise); }
.btn.amber { background: var(--amber); color: var(--navy-deep); border-color: var(--amber); }
.btn.amber:hover { background: #E5AB6B; }
.btn.ghost-light { color: var(--on-navy); border-color: rgba(255, 255, 255, .45); }
.btn.ghost-light:hover { background: rgba(255, 255, 255, .08); }
.btn .arr { transition: transform .25s var(--ease); }
.btn:hover .arr { transform: translateX(3px); }

/* ── 1. 떠 있는 내비 ── */
.nav {
  position: fixed; z-index: 40; top: 14px; left: 50%; transform: translateX(-50%);
  width: min(1200px, calc(100% - 24px)); height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 0 10px 0 26px;
  border-radius: 999px; color: var(--on-navy);
  background: rgba(15, 35, 64, .28); border: 1px solid rgba(255, 255, 255, .16);
  -webkit-backdrop-filter: blur(16px) saturate(140%); backdrop-filter: blur(16px) saturate(140%);
  transition: background .35s var(--ease), box-shadow .35s var(--ease);
}
.nav.scrolled { background: rgba(10, 24, 48, .9); box-shadow: 0 10px 30px rgba(5, 12, 24, .25); }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; white-space: nowrap; font: 400 18px/1 var(--serif); letter-spacing: -0.02em; min-height: 44px; }
.logo svg { width: 26px; height: 26px; flex: none; }
.menu { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; height: 100%; }
.menu > li { position: relative; height: 100%; display: flex; align-items: center; }
.menu > li > a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 14px; border-radius: 999px; text-decoration: none; font-size: 15px; color: var(--on-navy); }
.menu > li > a:hover, .menu > li:focus-within > a { background: rgba(255, 255, 255, .1); }
.nav-cta { min-height: 44px; padding: 0 20px; font-size: 15px; }
.mega {
  position: absolute; top: calc(100% + 6px); left: 50%; transform: translate(-50%, 6px); width: 560px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; padding: 22px 24px;
  border-radius: 24px; background: rgba(10, 24, 48, .94); border: 1px solid var(--line-dark);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); box-shadow: 0 18px 40px rgba(5, 12, 24, .3);
  opacity: 0; visibility: hidden; transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
}
.menu > li:hover .mega, .menu > li:focus-within .mega { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.mega strong { display: block; font: italic 500 15px var(--latin); letter-spacing: .1em; color: var(--amber); margin-bottom: 6px; }
.mega a { display: block; padding: 6px 0; text-decoration: none; font-size: 14px; color: var(--on-navy-muted); }
.mega a:hover { color: var(--on-navy); }
.nav-icons { display: flex; gap: 6px; }
.nav-ico { display: inline-flex; align-items: center; justify-content: center; gap: 8px; width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .28); color: var(--on-navy); text-decoration: none; transition: color .25s var(--ease), border-color .25s var(--ease); }
.nav-ico:hover { color: var(--amber); border-color: var(--amber); }
.nav-ico svg { width: 20px; height: 20px; }
.sheet-icons { display: flex; gap: 10px; margin-top: 18px; }
.sheet-icons .nav-ico { width: auto; height: auto; min-height: 48px; padding: 0 18px; border-radius: 999px; font-size: 15px; }
.burger { display: none; width: 48px; height: 48px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .3); background: transparent; color: var(--on-navy); cursor: pointer; }
.burger span { display: block; width: 18px; height: 1.5px; background: currentColor; margin: 4px auto; transition: transform .3s var(--ease), opacity .3s; }

.sheet {
  position: fixed; inset: 0; z-index: 39; background: var(--navy-deep); color: var(--on-navy);
  padding: calc(var(--nav-h) + 48px) 28px 32px; display: flex; flex-direction: column; gap: 6px; overflow-y: auto;
  opacity: 0; visibility: hidden; transform: translateY(-12px); transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
}
.sheet.open { opacity: 1; visibility: visible; transform: none; }
.sheet a.big { font: 300 28px/1.3 var(--serif); text-decoration: none; padding: 12px 0; border-bottom: 1px solid var(--line-dark); min-height: 44px; }
.sheet .sheet-cta { display: grid; gap: 10px; margin-top: 24px; }
body.sheet-open { overflow: hidden; }
body.sheet-open .burger span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
body.sheet-open .burger span:nth-child(2) { opacity: 0; }
body.sheet-open .burger span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* Quick Menu */
.quick { position: fixed; z-index: 38; right: max(18px, env(safe-area-inset-right, 0px)); bottom: max(18px, env(safe-area-inset-bottom, 0px)); }
.quick { transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s; }
.quick.hide { opacity: 0; visibility: hidden; transform: translateY(12px); pointer-events: none; }
.quick-btn {
  width: 72px; height: 72px; border-radius: 50%; border: 0; cursor: pointer; color: var(--navy-deep);
  background: radial-gradient(circle at 32% 28%, #F1C38D, var(--amber) 55%, #B87634);
  box-shadow: 0 10px 28px rgba(10, 24, 48, .35); font: italic 600 15px/1 var(--latin); letter-spacing: .08em;
  display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 2px;
}
.quick-btn small { font: 500 11px/1 var(--sans); letter-spacing: 0; }
.quick-list {
  position: absolute; right: 0; bottom: 86px; width: 236px; list-style: none; margin: 0; padding: 10px;
  border-radius: 22px; background: rgba(10, 24, 48, .95); border: 1px solid var(--line-dark); box-shadow: 0 18px 40px rgba(5, 12, 24, .35);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  opacity: 0; visibility: hidden; transform: translateY(8px) scale(.98); transform-origin: bottom right;
  transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
}
.quick.open .quick-list { opacity: 1; visibility: visible; transform: none; }
.quick-list a { display: flex; align-items: center; gap: 12px; min-height: 48px; padding: 0 12px; border-radius: 14px; text-decoration: none; color: var(--on-navy); font-size: 15px; }
.quick-list a:hover { background: rgba(255, 255, 255, .08); }
.quick-list svg { width: 22px; height: 22px; flex: none; color: var(--amber); }

/* ── 섹션 공통: 큰 둥근 모서리가 앞 섹션 위로 겹치는 전환 ── */
.panel {
  position: relative; margin-top: calc(-1 * var(--r-xl)); border-radius: var(--r-xl) var(--r-xl) 0 0;
  padding: calc(var(--pad-y) + 8px) var(--pad-x) calc(var(--pad-y) + var(--r-xl));
}
.panel.light { background: var(--paper); }
.panel.sand { background: var(--sand); }
.panel.dark { background: var(--navy); color: var(--on-navy); }
.panel.deep { background: var(--navy-deep); color: var(--on-navy); }
.head { max-width: 760px; }
.head.center { margin: 0 auto; text-align: center; }
.head.center .lead { margin-left: auto; margin-right: auto; }

/* ── 2. 히어로 ── */
.hero {
  position: relative; overflow: hidden; color: var(--on-navy); min-height: min(100svh, 920px);
  padding: calc(var(--nav-h) + 72px) var(--pad-x) calc(96px + var(--r-xl));
  background:
    radial-gradient(80% 70% at 78% 42%, rgba(60, 102, 160, .38), transparent 60%),
    radial-gradient(50% 45% at 85% 75%, rgba(217, 154, 85, .12), transparent 70%),
    linear-gradient(180deg, var(--navy-deep), var(--navy) 70%);
}
.hero-grid { display: grid; grid-template-columns: 1.12fr 1fr; align-items: center; gap: clamp(24px, 4vw, 64px); }
.hero h1 { font-size: clamp(40px, 5.3vw, 76px); line-height: 1.14; font-weight: 300; }
.nw { white-space: nowrap; }
.hero h1 em { font-style: normal; color: var(--amber); }
.hero .lead { color: var(--on-navy-muted); margin-top: 26px; max-width: 500px; }
.hero .latin { font: italic 400 clamp(17px, 1.5vw, 21px)/1.3 var(--latin); color: var(--on-navy-muted); margin-top: 14px; letter-spacing: .04em; }
.pills { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 38px; }
.pill {
  display: inline-flex; flex-direction: column; justify-content: center; min-height: 64px; padding: 10px 24px 10px 22px; border-radius: 999px;
  text-decoration: none; color: var(--on-navy); background: var(--glass); border: 1px solid rgba(255, 255, 255, .2);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); transition: background .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}
.pill:hover { background: rgba(255, 255, 255, .14); border-color: rgba(217, 154, 85, .6); transform: translateY(-2px); }
.pill small { font: italic 500 13px/1.2 var(--latin); color: var(--amber); letter-spacing: .08em; }
.pill span { font-size: 16px; font-weight: 500; }
.hero-visual { position: relative; aspect-ratio: 1 / 1; width: 100%; max-width: 640px; justify-self: end; }
.hero-visual svg { width: 100%; height: 100%; display: block; overflow: visible; }
.scroll-cue { position: absolute; left: var(--pad-x); bottom: calc(40px + var(--r-xl)); display: flex; align-items: center; gap: 12px; font: italic 500 14px var(--latin); letter-spacing: .14em; color: var(--on-navy-muted); }
.scroll-cue i { display: block; width: 1px; height: 44px; background: linear-gradient(var(--amber), transparent); }

/* 렌즈 애니메이션 */
.spin { transform-box: view-box; transform-origin: 0 0; animation: spin 36s linear infinite; }
.shimmer { animation: shimmer 7s ease-in-out infinite; }
.float { animation: floaty 9s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes shimmer { 0%, 100% { opacity: .55; } 50% { opacity: 1; } }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

/* 대표 렌즈 강조: 히어로 알약·내비 */
.pill.sig { background: rgba(217, 154, 85, .16); border-color: rgba(217, 154, 85, .55); }
.pill.sig span { font: italic 600 19px/1.2 var(--latin); letter-spacing: .06em; }
.menu-sig { font: italic 600 16px/1 var(--latin) !important; letter-spacing: .06em; color: var(--amber) !important; }

/* ── 대표 렌즈: THE K · THE X ── */
.sig-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 52px; }
.sig-card { border-radius: var(--r-xl); padding: 40px 40px 34px; display: flex; flex-direction: column; }
.sig-card.k { background: var(--sand-soft); color: var(--ink); }
.sig-card.x { background: var(--navy); color: var(--on-navy); position: relative; overflow: hidden; }
.sig-card.x::before { content: ""; position: absolute; right: -120px; top: -120px; width: 360px; height: 360px; border-radius: 50%;
  background: radial-gradient(circle, rgba(217, 154, 85, .22), transparent 65%); pointer-events: none; }
.sig-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; position: relative; }
.sig-name { font: italic 500 clamp(44px, 5vw, 64px)/1 var(--latin); letter-spacing: .02em; }
.sig-card.k .sig-name { color: var(--navy); }
.sig-card.x .sig-name { color: var(--amber); }
.sig-ko { margin-top: 10px; font: 400 17px var(--serif); }
.sig-card.k .sig-ko { color: var(--copper); }
.sig-card.x .sig-ko { color: var(--on-navy-muted); }
.sig-art { width: 120px; height: 120px; flex: none; }
.sig-lead { margin-top: 26px; font: 300 clamp(20px, 1.9vw, 24px)/1.45 var(--serif); position: relative; }
.sig-list { list-style: none; margin: 22px 0 0; padding: 0; position: relative; }
.sig-list li { display: grid; grid-template-columns: 92px 1fr; gap: 14px; padding: 13px 0; border-top: 1px solid var(--line); font-size: 15px; }
.sig-card.x .sig-list li { border-top-color: var(--line-dark); }
.sig-list b { font-weight: 500; color: var(--copper); }
.sig-card.x .sig-list b { color: var(--amber); }
.sig-card.x .sig-list span { color: var(--on-navy); }
.sig-where { margin-top: auto; padding-top: 22px; font-size: 14px; color: var(--muted); position: relative; }
.sig-card.x .sig-where { color: var(--on-navy-muted); }
.sig-foot { margin-top: 28px; display: flex; align-items: center; justify-content: space-between; gap: 18px 28px; flex-wrap: wrap; }
.sig-foot .note { max-width: 520px; }
.sig-btns { display: flex; gap: 10px; flex-wrap: wrap; }
.sig-btns .btn:not(.solid) { color: var(--navy); }

/* ── 3. 다른 이유 ── */
.cards4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 52px; }
.kcard { position: relative; background: var(--paper); border-radius: var(--r-lg); padding: 28px 26px 30px; min-height: 340px; display: flex; flex-direction: column; overflow: hidden; }
.kcard .num { font: italic 500 16px var(--latin); color: var(--copper); letter-spacing: .1em; }
.kcard .icon { width: 64px; height: 64px; margin: 26px 0 0; color: var(--navy); }
.kcard h3 { margin-top: 40px; }
.kcard p { margin-top: 10px; color: var(--muted); font-size: 15px; }
.kcard.career { background: var(--navy); color: var(--on-navy); }
.kcard.career .num { color: var(--amber); }
.kcard.career p { color: var(--on-navy-muted); }
.kcard.career .years { margin: 22px 0 0; height: 64px; display: flex; align-items: baseline; gap: 6px; color: var(--amber); }
.kcard.career .years b { font: italic 500 clamp(64px, 6vw, 88px)/1 var(--latin); }
.kcard.career .years span { font: 300 22px var(--serif); color: var(--on-navy); }
.kcard::after { content: ""; position: absolute; right: -40px; top: -40px; width: 140px; height: 140px; border-radius: 50%; border: 1px solid rgba(122, 68, 25, .14); box-shadow: 0 0 0 18px rgba(122, 68, 25, .04); }

#fitting { padding-bottom: calc(var(--pad-y) * .6 + var(--r-xl)); }
/* ── 4. 피팅 과정: 데스크톱 가로 탭 / 휴대폰 세로 아코디언(같은 마크업) ── */
.steps { display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px; margin-top: 52px; }
.step { display: contents; }
.step-btn {
  grid-row: 1; display: flex; flex-direction: column; align-items: center; gap: 10px; min-height: 120px; padding: 18px 8px;
  border-radius: 22px; border: 1px solid var(--line-dark); background: transparent; color: var(--on-navy-muted); cursor: pointer;
  font: 500 15px/1.35 var(--sans); text-align: center; transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.step-btn:hover { color: var(--on-navy); border-color: rgba(255, 255, 255, .35); }
.step-btn[aria-expanded="true"] { background: var(--on-navy); color: var(--navy); border-color: var(--on-navy); }
.step-btn .n { font: italic 500 14px var(--latin); letter-spacing: .1em; color: var(--amber); }
.step-btn[aria-expanded="true"] .n { color: var(--copper); }
.step-btn svg { width: 34px; height: 34px; }
.step-btn .chev { display: none; }
.step-panel { grid-row: 2; grid-column: 1 / -1; margin-top: 8px; border-radius: var(--r-lg); padding: 34px 38px; background: var(--navy-raise); display: grid; grid-template-columns: 200px 1fr; gap: 34px; align-items: center; }
.step-panel[hidden] { display: none; }
.step-panel .art { width: 200px; height: 160px; color: var(--amber); }
.step-panel h3 { color: var(--on-navy); }
.step-panel p { color: var(--on-navy-muted); margin-top: 10px; }
.fit-note { margin-top: 22px; }

/* ── 5. 하드렌즈 이해 ── */
/* 비교표: 가로로 넘칠 때만 힌트와 오른쪽 흐림(JS 가 .can-scroll / .at-end 를 붙임) */
.tablebox { position: relative; margin-top: 44px; }
.tablebox::after { content: ""; position: absolute; top: 1px; right: 1px; bottom: 1px; width: 56px; border-radius: 0 var(--r-lg) var(--r-lg) 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0), #fff 85%); pointer-events: none; opacity: 0; transition: opacity .25s; }
.tablebox.can-scroll:not(.at-end)::after { opacity: 1; }
.tcap { margin-top: 12px; color: var(--muted); font-size: 14px; }
.swipe-hint { display: none; margin: 0 0 10px; font-size: 13px; color: var(--copper); font-weight: 500; }
.tablebox.can-scroll .swipe-hint { display: block; }
.tablewrap { margin-top: 0; overflow-x: auto; border-radius: var(--r-lg); background: #fff; border: 1px solid var(--line); }
table { width: 100%; min-width: 620px; border-collapse: collapse; }
caption { caption-side: bottom; text-align: left; padding: 14px 24px 18px; color: var(--muted); font-size: 14px; }
th, td { padding: 18px 24px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); font-size: 15px; }
thead th { font: 400 18px var(--serif); background: var(--sand-soft); color: var(--navy); }
thead th.rgp { color: var(--copper); }
tbody th { font-weight: 500; color: var(--navy); width: 150px; white-space: nowrap; }
tbody tr:last-child th, tbody tr:last-child td { border-bottom: 0; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 18px; }
.fit-card { border-radius: var(--r-lg); padding: 32px; background: var(--sand-soft); }
.fit-card.warn { background: var(--navy); color: var(--on-navy); }
.fit-card h3 { display: flex; align-items: center; gap: 12px; }
.fit-card h3 svg { width: 28px; height: 28px; color: var(--copper); flex: none; }
.fit-card.warn h3 svg { color: var(--amber); }
.fit-card ul { margin: 16px 0 0; padding: 0; list-style: none; }
.fit-card li { position: relative; padding: 9px 0 9px 22px; border-top: 1px solid var(--line); font-size: 15px; }
.fit-card.warn li { border-top-color: var(--line-dark); color: var(--on-navy-muted); }
.fit-card li::before { content: ""; position: absolute; left: 2px; top: 19px; width: 7px; height: 7px; border-radius: 50%; background: var(--copper); }
.fit-card.warn li::before { background: var(--amber); }

/* ── 6. 렌즈 종류: 세로 알약 탭 ── */
.types { display: grid; grid-template-columns: 300px 1fr; gap: 28px; margin-top: 52px; align-items: start; }
.vtabs { display: flex; flex-direction: column; gap: 10px; }
.vtab {
  display: flex; align-items: center; justify-content: space-between; min-height: 60px; padding: 0 26px; border-radius: 999px; cursor: pointer;
  background: transparent; border: 1px solid rgba(15, 35, 64, .25); color: var(--navy); font: 400 17px var(--serif); text-align: left;
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.vtab small { font: italic 500 13px var(--latin); letter-spacing: .08em; color: var(--copper); }
.vtab:hover { border-color: var(--navy); }
.vtab[aria-selected="true"] { background: var(--navy); color: var(--on-navy); border-color: var(--navy); }
.vtab[aria-selected="true"] small { color: var(--amber); }
.tpanel { border-radius: var(--r-xl); background: var(--paper); padding: 44px; display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 36px; align-items: center; min-height: 380px; }
.tpanel[hidden] { display: none; }
.tpanel .art { width: 100%; height: auto; display: block; color: var(--navy); }
.tpanel p { margin-top: 14px; color: var(--muted); }
.tpanel .handle { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 14px; color: var(--copper); }

/* ── 7. 관리 ── */
.care { margin-top: 52px; }
.care .kcard { min-height: 300px; background: #fff; border: 1px solid var(--line); }
.care .kcard::after { display: none; }
.stop {
  margin-top: 22px; border-radius: var(--r-lg); padding: 30px 34px; display: grid; grid-template-columns: auto 1fr; gap: 22px; align-items: center;
  background: var(--navy); color: var(--on-navy);
}
.stop svg { width: 46px; height: 46px; color: var(--amber); }
.stop strong { font: 400 22px/1.35 var(--serif); }
.stop p { color: var(--on-navy-muted); margin-top: 6px; }

/* ── 8. 콘텐츠 ── */
.media { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 52px; }
.mcard { display: flex; flex-direction: column; text-decoration: none; border-radius: var(--r-xl); overflow: hidden; background: var(--navy-raise); color: var(--on-navy); transition: transform .35s var(--ease); }
.mcard:hover { transform: translateY(-4px); }
.mcard .art { aspect-ratio: 16 / 9; display: block; width: 100%; }
.yt-player { position: relative; aspect-ratio: 16 / 9; background: #000; }
.yt-player iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.yt-facade { position: absolute; inset: 0; display: block; }
.yt-facade img { width: 100%; height: 100%; object-fit: cover; display: block; opacity: .88; transition: opacity .3s var(--ease); }
.yt-facade:hover img { opacity: 1; }
.yt-play { position: absolute; left: 50%; top: 50%; width: 76px; height: 54px; transform: translate(-50%, -50%); transition: transform .25s var(--ease); }
.yt-facade:hover .yt-play { transform: translate(-50%, -50%) scale(1.08); }
.yt-play svg { width: 100%; height: 100%; display: block; }
.mbtns { display: flex; flex-wrap: wrap; gap: 10px; padding: 18px 32px 32px; margin-top: auto; }
.mcard .body { padding: 26px 32px 0; display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; }
.mcard p { color: var(--on-navy-muted); margin-top: 8px; font-size: 15px; }
.mcard .go { flex: none; width: 52px; height: 52px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .35); display: flex; align-items: center; justify-content: center; color: var(--amber); }

/* ── 9. FAQ ── */
.faq { margin-top: 44px; max-width: 920px; margin-left: auto; margin-right: auto; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 24px 4px; min-height: 44px; font: 400 clamp(17px, 1.5vw, 20px)/1.45 var(--serif); color: var(--navy);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary > span:first-child { display: grid; grid-template-columns: 34px 1fr; align-items: baseline; }  /* 두 줄이 돼도 Q. 뒤로 내어쓰기 */
.faq summary .q { font: italic 500 18px var(--latin); color: var(--copper); }
.faq summary .pm { flex: none; width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--line); position: relative; transition: transform .3s var(--ease), background .3s; }
.faq summary .pm::before, .faq summary .pm::after { content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 1.5px; background: var(--navy); transform: translate(-50%, -50%); }
.faq summary .pm::after { transform: translate(-50%, -50%) rotate(90deg); transition: transform .3s var(--ease); }
.faq details[open] summary .pm { background: var(--navy); }
.faq details[open] summary .pm::before, .faq details[open] summary .pm::after { background: var(--on-navy); }
.faq details[open] summary .pm::after { transform: translate(-50%, -50%) rotate(0deg); }
.faq details p { padding: 0 52px 26px 38px; color: var(--muted); }

/* ── 10. CTA·오시는 길·푸터 ── */
.faq-more { margin-top: 30px; text-align: center; color: var(--muted); font-size: 15px; }
.faq-more a { color: var(--copper); font-weight: 500; }
.cta { text-align: center; }
.cta h2 { font-size: clamp(32px, 4.6vw, 58px); }
.cta-btns { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 40px; }
.cta-btns .btn { min-width: 210px; min-height: 64px; font-size: 17px; }
.cta-ring { position: absolute; left: 50%; top: 0; width: min(900px, 120%); transform: translate(-50%, -30%); opacity: .5; pointer-events: none; color: var(--amber); }
.visit { display: grid; grid-template-columns: 1fr 1.1fr; gap: 28px; margin-top: 48px; align-items: stretch; }
.visit dl { margin: 0; display: grid; grid-template-columns: 110px 1fr; background: #fff; border-radius: var(--r-lg); padding: 14px 30px; border: 1px solid var(--line); }
.visit dt, .visit dd { padding: 16px 0; border-bottom: 1px solid var(--line); margin: 0; }
.visit dt { font-weight: 500; color: var(--navy); }
.visit dt:nth-last-of-type(1), .visit dd:last-of-type { border-bottom: 0; }
.visit dd a { color: var(--copper); font-weight: 500; }
.mapbox { display: flex; flex-direction: column; gap: 12px; }
.naver-map { height: 340px; border-radius: var(--r-lg); overflow: hidden; }
.mapcard[hidden], .naver-map[hidden] { display: none; }
.map-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.mapcard { position: relative; border-radius: var(--r-lg); overflow: hidden; background: var(--navy); color: var(--on-navy); min-height: 340px; display: flex; flex-direction: column; justify-content: flex-end; padding: 30px; }
.mapcard svg.bg { position: absolute; inset: 0; width: 100%; height: 100%; }
.mapcard > * { position: relative; }
.mapcard .addr { font: 300 24px/1.35 var(--serif); }
.mapcard .btn { margin-top: 18px; align-self: flex-start; }
footer.panel { padding-bottom: calc(56px + env(safe-area-inset-bottom, 0px)); }
.fgrid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 32px; }
.fgrid .brand { font: 300 26px var(--serif); }
.fgrid .slogan { font: 400 17px var(--serif); color: var(--amber); margin-top: 8px; }
.fgrid .slogan span { font: italic 500 18px var(--latin); letter-spacing: .06em; }
.fgrid .fh span { font: 400 13px var(--sans); letter-spacing: 0; color: var(--on-navy-muted); margin-left: 6px; font-style: normal; }
.fgrid .fh { margin: 0 0 12px; font: italic 500 15px var(--latin); letter-spacing: .12em; color: var(--amber); font-weight: 500; }
.fgrid ul { list-style: none; margin: 0; padding: 0; }
.fgrid li a, .fgrid li span { display: inline-flex; align-items: center; min-height: 36px; color: var(--on-navy-muted); text-decoration: none; font-size: 15px; }
.fgrid li a:hover { color: var(--on-navy); }
.legal.biz { line-height: 1.9; word-break: keep-all; }
.legal.biz i { font-style: normal; opacity: .4; margin: 0 6px; }
.legal.biz a { color: inherit; }
.legal { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line-dark); font-size: 13px; color: var(--on-navy-muted); }

/* 히어로 첫 등장: 보이는 상태에서 시작해 살짝 떠오르며 또렷해진다(숨김 대기 없음) */
.hero-copy > * { animation: rise .9s var(--ease) both; }
.hero-copy > :nth-child(2) { animation-delay: .08s; }
.hero-copy > :nth-child(3) { animation-delay: .16s; }
.hero-copy > :nth-child(4) { animation-delay: .24s; }
.hero-copy > :nth-child(5) { animation-delay: .32s; }
.hero-visual { animation: lensin 1.4s var(--ease) both; }
@keyframes lensin { from { transform: scale(.96) rotate(-2deg); opacity: .5; } to { transform: none; opacity: 1; } }

/* 진입 효과: 처음부터 보이는 상태, 화면에 들어올 때만 살짝 떠오름(JS 가 .rise 를 붙임) */
.rise { animation: rise .9s var(--ease) both; }
@keyframes rise { from { transform: translateY(26px); opacity: .35; } to { transform: none; opacity: 1; } }

/* ── 반응형 ── */
@media (max-width: 1180px) {
  .menu > li > a { padding: 0 10px; font-size: 14px; }
  .cards4 { grid-template-columns: repeat(2, 1fr); }
  .kcard { min-height: 280px; }
}
@media (max-width: 1024px) {
  :root { --r-xl: 44px; }
  .menu, .nav-cta, .nav-icons { display: none; }
  .burger { display: block; }
  .hero-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: repeat(4, 1fr); }
  .step-btn { grid-row: auto; }
  .step-panel { grid-row: auto; }
  .types { grid-template-columns: 240px 1fr; }
  .tpanel { grid-template-columns: 1fr; }
  .tpanel .art { max-width: 480px; order: -1; }
}
@media (max-width: 1024px) and (min-width: 769px) {
  /* 태블릿: 7개 탭을 두 줄로 두고 설명은 그 아래 */
  .steps { grid-template-columns: repeat(4, 1fr); grid-auto-flow: row dense; }
  .step-btn { grid-row: auto; }
  .step-panel { grid-row: 3; }
}
@media (max-width: 768px) {
  :root { --r-xl: 32px; --r-lg: 22px; --nav-h: 58px; }
  .nav { padding-left: 18px; top: 10px; }
  .logo { font-size: 16px; }
  .hero { min-height: 0; padding-top: calc(var(--nav-h) + 40px); }
  .hero-grid { grid-template-columns: 1fr; gap: 8px; }
  .hero-visual { order: -1; max-width: 360px; justify-self: center; margin: 0 auto -12px; }
  .pills { flex-direction: column; }
  .pill { width: 100%; }
  .scroll-cue { display: none; }
  .cards4, .two, .media, .visit, .fgrid, .sig-grid { grid-template-columns: 1fr; }
  .sig-card { padding: 28px 24px 26px; }
  .sig-art { width: 88px; height: 88px; }
  .sig-list li { grid-template-columns: 76px 1fr; }
  h2 br { display: none; }             /* 좁은 화면에서는 강제 줄바꿈 대신 자연스럽게 */
  .head.center { text-align: left; }
  .head.center .lead { margin-left: 0; }
  .sig-btns, .sig-btns .btn { width: 100%; }
  .kcard, .care .kcard { min-height: 0; }
  .kcard .icon { margin: 18px 0 0; width: 52px; height: 52px; }
  .kcard h3 { margin-top: 18px; }
  /* 피팅: 세로 아코디언 */
  .steps { grid-template-columns: 1fr; gap: 8px; }
  .step-btn { grid-row: auto; flex-direction: row; justify-content: flex-start; min-height: 64px; padding: 12px 18px; text-align: left; gap: 14px; }
  .step-btn svg { width: 28px; height: 28px; }
  .step-btn .chev { display: block; margin-left: auto; width: 18px; height: 18px; transition: transform .3s var(--ease); }
  .step-btn[aria-expanded="true"] .chev { transform: rotate(180deg); }
  .step-panel { grid-row: auto; margin-top: 0; grid-template-columns: 1fr; padding: 22px; gap: 12px; }
  .step-panel .art { width: 120px; height: 96px; }
  /* 렌즈 종류: 가로로 밀어 보는 알약 */
  .types { grid-template-columns: 1fr; gap: 18px; }
  .vtabs { flex-direction: row; overflow-x: auto; padding: 2px 2px 8px; margin: 0 calc(-1 * var(--pad-x)); padding-left: var(--pad-x); padding-right: var(--pad-x); scroll-snap-type: x mandatory; }
  .vtab { flex: none; min-height: 48px; padding: 0 20px; scroll-snap-align: start; gap: 10px; }
  .tpanel { padding: 26px 22px; min-height: 0; }
  .tpanel .art { max-width: none; width: calc(100% + 24px); margin: 0 -12px; }
  th, td { padding: 14px 16px; }
  .faq details p { padding: 0 8px 22px 38px; }
  .stop { grid-template-columns: 1fr; padding: 24px; }
  .cta-btns .btn { width: 100%; }
  .map-actions .btn, .mbtns .btn { flex: 1 1 100%; }
  .mbtns { padding: 16px 22px 24px; }
  .mcard .body { padding: 22px 22px 0; }
  .visit dl { grid-template-columns: 88px 1fr; padding: 6px 20px; }
  .mapcard { min-height: 280px; }
  .quick-btn { width: 62px; height: 62px; }
  .quick-list { bottom: 76px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* THE X · THE K 협력 안경원 */
.partners { margin-top: 64px; padding-top: 40px; border-top: 1px solid var(--line); }
.partners-title { font: 400 clamp(22px, 2.4vw, 28px)/1.35 var(--serif); margin: 6px 0 10px; }
.partner-grid { list-style: none; margin: 24px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.partner { display: flex; align-items: center; gap: 14px; min-height: 64px; padding: 12px 16px; border: 1px solid var(--line); border-radius: 16px; background: #fff; color: var(--ink); text-decoration: none; transition: border-color .2s, transform .2s, box-shadow .2s; }
.partner:hover { border-color: var(--amber); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(15, 35, 64, .08); }
.partner .pm { flex: none; width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: var(--navy); color: var(--amber); font: 500 17px var(--serif); }
.partner .pt { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.partner .pt b { font-weight: 600; font-size: 15px; word-break: keep-all; }
.partner .pt small { font-size: 13px; color: #5A6475; }
.partner .arr { color: var(--amber); }

/* ── 주제별 안내(메인 #guides · 하위 페이지 '함께 보면 좋은 안내') ── */
.guide-grid { list-style: none; margin: 40px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.guide-link { display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto auto; column-gap: 12px; align-items: center; min-height: 92px; padding: 18px 22px;
  border-radius: var(--r-md); background: var(--paper); border: 1px solid var(--line); color: var(--ink); text-decoration: none; transition: border-color .2s, transform .2s; }
.guide-link:hover { border-color: var(--copper); transform: translateY(-2px); }
.guide-link .gl-eb { font: italic 500 14px/1.3 var(--latin); letter-spacing: .08em; color: var(--copper); }
.guide-link b { font: 400 19px/1.4 var(--serif); grid-column: 1; }
.guide-link .arr { grid-column: 2; grid-row: 1 / span 2; color: var(--copper); }
.fgrid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }

/* ── 하위 안내 페이지 ── */
.page-hero { position: relative; color: var(--on-navy); padding: calc(var(--nav-h) + 76px) var(--pad-x) calc(64px + var(--r-xl));
  background: radial-gradient(70% 80% at 85% 20%, rgba(60, 102, 160, .35), transparent 60%), linear-gradient(180deg, var(--navy-deep), var(--navy)); }
.page-hero .wrap { max-width: 860px; }
.page-hero h1 { font-size: clamp(32px, 4.4vw, 54px); font-weight: 300; line-height: 1.2; }
.page-hero .eyebrow { color: var(--amber); }
.page-hero .answer { margin-top: 22px; font-size: clamp(16px, 1.3vw, 18px); color: var(--on-navy); max-width: 760px; }
.page-hero .byline { margin-top: 20px; font-size: 13px; color: var(--on-navy-muted); }
.crumbs ol { list-style: none; margin: 0 0 22px; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 0; font-size: 13px; color: var(--on-navy-muted); }
.crumbs li + li::before { content: "›"; margin: 0 8px; opacity: .6; }
.crumbs a { color: var(--on-navy-muted); text-decoration: none; }
.crumbs a:hover { color: var(--on-navy); text-decoration: underline; }
.wrap.narrow { max-width: 860px; }
.article h2 { font-size: clamp(24px, 2.6vw, 32px); font-weight: 400; margin-top: 56px; }
.article h2:first-child { margin-top: 0; }
.article .wrap > p, .article .wrap > .dots { margin-top: 14px; }
.article .wrap > p { color: var(--ink); }
.h3 { font-family: var(--serif); font-size: clamp(19px, 1.7vw, 23px); font-weight: 400; }
.article h2.h3 { margin-top: 0; }
.dots { list-style: none; margin: 0; padding: 0; }
.dots li { position: relative; padding: 9px 0 9px 22px; border-top: 1px solid var(--line); }
.dots li:last-child { border-bottom: 1px solid var(--line); }
.dots li::before { content: ""; position: absolute; left: 2px; top: 20px; width: 7px; height: 7px; border-radius: 50%; background: var(--copper); }
.steps-list { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 10px; }
.steps-list li { display: grid; grid-template-columns: 48px 1fr; gap: 14px; padding: 18px 20px; border-radius: var(--r-md); background: #fff; border: 1px solid var(--line); }
.steps-list .n { font: italic 500 22px/1.2 var(--latin); color: var(--copper); }
.steps-list b { font-weight: 500; }
.steps-list p { color: var(--muted); margin-top: 4px; font-size: 15px; }
.article .tablebox, .article .two, .article .visit, .article .partner-grid, .article .faq { margin-top: 24px; }
.article .two { margin-top: 56px; }
.lab-note { margin-top: 56px; padding: 30px 32px; border-radius: var(--r-lg); background: var(--sand-soft); }
.lab-note p:last-child { margin-top: 10px; }
.cta-btns.left { justify-content: flex-start; margin-top: 28px; }
.cta-btns.left .btn { min-width: 0; min-height: 52px; font-size: 16px; }
.related-title { margin-top: 64px !important; }
.article .guide-grid { grid-template-columns: repeat(2, 1fr); margin-top: 20px; }
@media (max-width: 1024px) {
  .guide-grid { grid-template-columns: repeat(2, 1fr); }
  .fgrid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .guide-grid, .article .guide-grid, .fgrid { grid-template-columns: 1fr; }
  .page-hero { padding-top: calc(var(--nav-h) + 48px); }
  .lab-note { padding: 24px 22px; }
  .steps-list li { grid-template-columns: 36px 1fr; padding: 16px; }
  .cta-btns.left .btn { width: 100%; }
}
.fit-card .h3 { display: flex; align-items: center; gap: 12px; }
.fit-card .h3 svg { width: 28px; height: 28px; color: var(--copper); flex: none; }
.fit-card.warn .h3 svg { color: var(--amber); }