/* ===========================================================
   싱크대 부분 교체 — 부위 선택형 카탈로그 디자인 시스템
   팔레트: 오프화이트 / 실버그레이 / 그래파이트 / 라임옐로 포인트
   =========================================================== */

:root{
  --bg:#F6F6F3;
  --surface:#FFFFFF;
  --silver:#DEE0DA;
  --silver-soft:#ECEDE8;
  --graphite:#22241F;
  --graphite-soft:#3A3D36;
  --ink:#1B1C18;
  --muted:#6E7168;
  --accent:#D7EE3F;
  --accent-ink:#1B1C18;
  --line:#D2D4CC;
  --radius:2px;
  --maxw:1180px;
  --ff-body:'Pretendard Variable', Pretendard, -apple-system, 'Noto Sans KR', sans-serif;
  --ff-label:'JetBrains Mono', 'Pretendard Variable', monospace;
}

@font-face{
  font-family:'Pretendard Variable';
  src: url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/woff2/PretendardVariable.woff2') format('woff2-variations');
  font-weight: 45 920;
  font-display: swap;
}
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--ff-body);
  font-weight:450;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit;background:none;border:0;cursor:pointer;color:inherit}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
@media (max-width:768px){ .section{padding:56px 0} }

/* ---------- 타이포 ---------- */
.label{
  font-family:var(--ff-label);
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.label::before{
  content:'';
  width:16px;height:1px;background:var(--accent-ink);
  background:var(--graphite);
}
.label.on-accent::before{background:var(--accent-ink)}
h1,h2,h3,h4{
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--graphite);
}
.h1{font-size:clamp(34px,5.4vw,58px);line-height:1.14}
.h2{font-size:clamp(26px,3.6vw,38px);line-height:1.24}
.h3{font-size:20px;line-height:1.4}
.lead{font-size:17px;color:var(--graphite-soft)}
.muted{color:var(--muted)}
.mono-num{font-family:var(--ff-label);font-weight:600}

/* ---------- fade-up ---------- */
.fade-up{opacity:0;transform:translateY(22px);transition:opacity .7s ease, transform .7s ease}
.fade-up.is-visible{opacity:1;transform:translateY(0)}
.fade-up.d1{transition-delay:.08s}
.fade-up.d2{transition-delay:.16s}
.fade-up.d3{transition-delay:.24s}
.fade-up.d4{transition-delay:.32s}
.fade-up.d5{transition-delay:.4s}

/* ---------- 버튼 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 26px;border-radius:var(--radius);
  font-weight:700;font-size:15px;letter-spacing:-.01em;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
  white-space:nowrap;
}
.btn-accent{background:var(--accent);color:var(--accent-ink)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(215,238,63,.35)}
.btn-dark{background:var(--graphite);color:#fff}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(34,36,31,.28)}
.btn-outline{border:1px solid var(--line);color:var(--graphite)}
.btn-outline:hover{border-color:var(--graphite);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:13px}
.btn-block{width:100%}

/* ---------- 헤더 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(246,246,243,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--graphite)}
.brand-mark{
  width:30px;height:30px;border-radius:50%;
  background:var(--graphite);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--ff-label);font-size:13px;font-weight:700;
}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav a{font-size:14.5px;font-weight:600;color:var(--graphite-soft);position:relative;padding:4px 0}
.main-nav a:hover{color:var(--graphite)}
.main-nav a.is-active{color:var(--graphite)}
.main-nav a.is-active::after{content:'';position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--accent)}
.header-cta{display:flex;align-items:center;gap:12px}
.header-consult-btn{
  display:flex;align-items:center;gap:8px;
  background:var(--graphite);color:#fff;border-radius:999px;
  padding:11px 20px;font-weight:700;font-size:14px;
  transition:transform .18s ease;
}
.header-consult-btn:hover{transform:translateY(-2px)}
.header-consult-btn svg{width:15px;height:15px}
.nav-toggle{display:none}

@media (max-width:900px){
  .main-nav{display:none}
  .nav-toggle{
    display:flex;width:38px;height:38px;align-items:center;justify-content:center;
    border:1px solid var(--line);border-radius:var(--radius);
  }
}

/* ---------- 퍼즐형 모듈 히어로 ---------- */
.hero{padding:36px 0 0}
.hero-top .label{margin-bottom:14px}
.puzzle-grid{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  grid-template-rows:200px 200px 200px;
  gap:10px;
  margin-top:22px;
}
.puzzle-item{
  position:relative;border-radius:var(--radius);overflow:hidden;
  background:var(--graphite);
  display:flex;align-items:flex-end;
  border:1px solid var(--line);
}
.puzzle-item img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:top center;
  transition:transform .35s ease;
}
.puzzle-item:hover img{transform:scale(1.05)}
.puzzle-item .p-label{
  position:relative;z-index:2;padding:12px 14px;
  font-family:var(--ff-label);font-size:12px;letter-spacing:.06em;
  color:#fff;font-weight:600;
}
.puzzle-item::before{
  content:'';position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.6) 100%);
}
.puzzle-item:nth-child(1){grid-column:1/4;grid-row:1/3}
.puzzle-item:nth-child(2){grid-column:4/7;grid-row:1/2}
.puzzle-item:nth-child(3){grid-column:4/6;grid-row:2/4}
.puzzle-item:nth-child(4){grid-column:6/7;grid-row:2/4}
.puzzle-item:nth-child(5){grid-column:1/4;grid-row:3/4}
.puzzle-item:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(0,0,0,.18)}
.puzzle-item{transition:transform .25s ease, box-shadow .25s ease}

.hero-h1-block{
  margin-top:44px;
  text-align:center;
  padding:44px 24px 56px;
  background:var(--surface);
  border-top:4px solid var(--accent);
  border-bottom:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:0 10px 28px rgba(34,36,31,.05);
}
.hero-h1-block .h1{margin-top:0;font-size:clamp(42px,7.5vw,88px)}
.hero-sub{
  font-size:19px;color:var(--graphite-soft);max-width:56ch;margin:34px auto 0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 34px;
}
.hero-sub p{margin-bottom:0;line-height:1.6}
@media (max-width:640px){ .hero-h1-block{padding:16px 0 48px} .hero-sub{padding:20px 22px} }

@media (max-width:900px){
  /* 모바일에서는 비대칭 배치 대신 세로 1열로 쌓아 각 사진이 온전히 보이게 함 */
  .puzzle-grid{grid-template-columns:1fr;grid-template-rows:none;grid-auto-rows:220px}
  .puzzle-item:nth-child(1),
  .puzzle-item:nth-child(2),
  .puzzle-item:nth-child(3),
  .puzzle-item:nth-child(4),
  .puzzle-item:nth-child(5){grid-column:auto;grid-row:auto}
}

/* ---------- 공감형 메시지 ---------- */
.empathy{
  background:var(--graphite);color:#fff;
  padding:70px 0;
}
.empathy .container{max-width:820px}
.empathy p{
  font-size:clamp(19px,2.6vw,27px);
  font-weight:600;letter-spacing:-.01em;line-height:1.5;
  color:#EDEEE7;
}
.empathy p + p{margin-top:18px}
.empathy .accent-word{color:var(--accent)}
.empathy .label{color:#9EA296;margin-bottom:22px}
.empathy .label::before{background:var(--accent)}

/* ---------- 서비스 모듈 (비대칭) ---------- */
.svc-head{margin-bottom:44px}
.svc-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:46px 0;border-top:1px solid var(--line);
}
.svc-row:last-child{border-bottom:1px solid var(--line)}
.svc-visual{
  aspect-ratio:16/10;background:var(--surface);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;position:relative;
  border-radius:var(--radius);overflow:hidden;transition:box-shadow .2s ease, transform .2s ease;
}
.svc-visual:hover{box-shadow:0 16px 34px rgba(34,36,31,.1);transform:translateY(-3px)}
.svc-visual img{width:100%;height:100%;object-fit:cover;object-position:top center}
.svc-visual .svc-index{
  position:absolute;top:16px;left:16px;z-index:2;font-family:var(--ff-label);
  font-size:12px;color:#fff;background:rgba(0,0,0,.4);padding:2px 8px;border-radius:999px;
}
.svc-body .h3{margin:10px 0 12px;font-size:24px}
.svc-body p{color:var(--graphite-soft);margin-bottom:20px}
.svc-body .btn{margin-top:4px}

@media (max-width:800px){
  .svc-row{grid-template-columns:1fr;gap:20px}
}

/* ---------- 왜 부분교체인가 ---------- */
.why-list{border-top:1px solid var(--line)}
.why-item{
  display:grid;grid-template-columns:90px 1fr;gap:28px;
  padding:30px 0;border-bottom:1px solid var(--line);
}
.why-item .mono-num{font-size:34px;color:var(--silver);font-weight:700}
.why-item h4{font-size:18px;margin-bottom:6px;color:var(--graphite)}
.why-item p{color:var(--muted);font-size:15px;max-width:52ch}
@media (max-width:640px){ .why-item{grid-template-columns:50px 1fr;gap:16px} .why-item .mono-num{font-size:24px} }

/* ---------- 진행 과정 (가로 흐름형) ---------- */
.process{overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:6px}
.process-line{
  display:flex;min-width:680px;position:relative;
}
.process-line::before{
  content:'';position:absolute;top:19px;left:0;right:0;height:1px;background:var(--line);
}
.process-step{flex:1;position:relative;padding-right:12px}
.process-dot{
  width:38px;height:38px;border-radius:50%;background:var(--surface);
  border:1px solid var(--graphite);display:flex;align-items:center;justify-content:center;
  font-family:var(--ff-label);font-size:13px;font-weight:700;color:var(--graphite);
  position:relative;z-index:2;
}
.process-step:last-child .process-dot{background:var(--graphite);color:var(--accent)}
.process-step h4{margin-top:16px;font-size:15px;color:var(--graphite)}
.process-step p{margin-top:6px;font-size:13px;color:var(--muted);max-width:22ch}

/* ---------- FAQ 상단 문구 ---------- */
.pre-faq{
  background:var(--silver-soft);border:1px solid var(--line);
  padding:34px 32px;display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;
}
.pre-faq ul{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--graphite-soft)}
.pre-faq li::before{content:'— ';color:var(--muted)}
@media (max-width:700px){ .pre-faq{grid-template-columns:1fr} }

/* ---------- FAQ 부품별 질문 분류표 ---------- */
.faq-catalog{display:grid;grid-template-columns:240px 1fr;gap:0;border:1px solid var(--line);margin-top:30px}
.faq-tabs{border-right:1px solid var(--line);background:var(--surface)}
.faq-tab{
  display:flex;align-items:center;justify-content:space-between;
  width:100%;text-align:left;padding:18px 20px;
  border-bottom:1px solid var(--line);font-weight:700;font-size:14.5px;color:var(--graphite-soft);
  transition:background .15s ease, color .15s ease;
}
.faq-tab .t-num{font-family:var(--ff-label);font-size:12px;color:var(--muted);font-weight:500}
.faq-tab:last-child{border-bottom:0}
.faq-tab:hover{background:var(--silver-soft)}
.faq-tab.is-active{background:var(--graphite);color:#fff}
.faq-tab.is-active .t-num{color:var(--accent)}
.faq-panels{background:var(--surface);padding:8px 0}
.faq-panel{display:none;padding:10px 32px 24px}
.faq-panel.is-active{display:block}
.faq-qa{padding:20px 0;border-bottom:1px solid var(--line)}
.faq-qa:last-child{border-bottom:0}
.faq-q{display:flex;gap:10px;font-weight:700;font-size:15.5px;color:var(--graphite);margin-bottom:8px}
.faq-q .qmark{font-family:var(--ff-label);color:var(--accent-ink);background:var(--accent);border-radius:50%;width:20px;height:20px;flex:none;display:flex;align-items:center;justify-content:center;font-size:12px}
.faq-a{color:var(--graphite-soft);font-size:14.5px;padding-left:30px}

@media (max-width:760px){
  .faq-catalog{grid-template-columns:1fr;border:0}
  .faq-tabs{display:none}
  .mobile-faq-group{border:1px solid var(--line);margin-bottom:10px}
  .mobile-faq-head{
    display:flex;align-items:center;justify-content:space-between;
    padding:16px 18px;font-weight:700;font-size:14.5px;background:var(--surface);
  }
  .mobile-faq-head .t-num{font-family:var(--ff-label);font-size:12px;color:var(--muted);margin-right:8px}
  .mobile-faq-body{display:none;padding:0 18px 16px}
  .mobile-faq-group.is-open .mobile-faq-body{display:block}
  .mobile-faq-group.is-open .arrow{transform:rotate(180deg)}
  .arrow{transition:transform .2s ease}
  .faq-panels{display:none}
}
@media (min-width:761px){
  .mobile-faq-group{display:none}
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--graphite);color:#fff;padding:70px 0;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:'';position:absolute;right:-60px;top:-60px;width:260px;height:260px;
  background:var(--accent);opacity:.14;border-radius:50%;
}
.cta-inner{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.cta-band p{color:#C9CBC1;font-size:15px;margin-top:10px;max-width:46ch}
.cta-band .h2{color:#fff}
.cta-phone-big{
  display:flex;align-items:center;gap:14px;background:var(--accent);color:var(--accent-ink);
  padding:20px 28px;border-radius:var(--radius);font-weight:800;font-size:22px;
  transition:transform .18s ease;
}
.cta-phone-big:hover{transform:translateY(-3px)}
.cta-phone-big svg{width:22px;height:22px}
.cta-phone-big small{display:block;font-family:var(--ff-label);font-size:11px;font-weight:600;letter-spacing:.08em;color:var(--graphite-soft)}

/* ---------- 푸터 ---------- */
.site-footer{background:var(--surface);border-top:1px solid var(--line);padding:56px 0 30px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:36px}
.footer-brand .brand{margin-bottom:14px}
.footer-biz{font-size:13px;color:var(--muted);line-height:1.9}
.footer-col h5{font-family:var(--ff-label);font-size:12px;letter-spacing:.1em;color:var(--muted);margin-bottom:14px;text-transform:uppercase}
.footer-col a{display:block;font-size:14px;color:var(--graphite-soft);padding:5px 0}
.footer-col a:hover{color:var(--graphite)}
.footer-bottom{border-top:1px solid var(--line);padding-top:22px;font-size:12.5px;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
@media (max-width:760px){ .footer-top{grid-template-columns:1fr;gap:26px} }

/* ---------- 플로팅 전화 (데스크톱 사이드 / 모바일 하단바) ---------- */
.float-call{
  position:fixed;right:24px;bottom:24px;z-index:60;
  width:56px;height:56px;border-radius:50%;background:var(--accent);color:var(--accent-ink);
  display:flex;align-items:center;justify-content:center;box-shadow:0 10px 26px rgba(34,36,31,.25);
  transition:transform .2s ease;
}
.float-call:hover{transform:scale(1.06)}
.float-call svg{width:24px;height:24px}
.mobile-call-bar{display:none}
@media (max-width:760px){
  .float-call{display:none}
  .mobile-call-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;
    background:var(--graphite);color:#fff;padding:14px 20px;
    align-items:center;justify-content:center;gap:10px;font-weight:700;font-size:15px;
    padding-bottom:calc(14px + env(safe-area-inset-bottom));
  }
  .mobile-call-bar svg{width:18px;height:18px;color:var(--accent)}
  body{padding-bottom:58px}
}

/* ---------- 서브페이지 공통 ---------- */
.page-hero{padding:40px 0 20px;border-bottom:1px solid var(--line)}
.crumb{font-family:var(--ff-label);font-size:12px;color:var(--muted);margin-bottom:14px}
.crumb a:hover{color:var(--graphite)}
.puzzle-grid--sub{grid-template-rows:160px 160px 160px;margin:26px 0 34px}
.puzzle-grid--sub .puzzle-item img{object-position:center}
.puzzle-grid--sub .p-label{font-size:11px;padding:8px 10px}
.puzzle-item.is-current{box-shadow:inset 0 0 0 3px var(--accent)}
.puzzle-item.is-current .p-label::before{content:'지금 보는 중 · ';color:var(--accent)}
@media (max-width:900px){ .puzzle-grid--sub{grid-template-rows:repeat(5,150px)} }

.prose{font-size:15.5px;color:var(--graphite-soft);max-width:74ch}
.prose p{margin-bottom:16px}
.prose h2{margin:36px 0 14px}
.prose h3{margin:26px 0 10px;font-size:18px}

/* 세부페이지 공통 히어로: 사진 좌측 / 텍스트 우측 */
.split-hero{display:grid;grid-template-columns:1fr 1fr;gap:0;border-bottom:1px solid var(--line);align-items:stretch}
.split-hero .split-visual{background:var(--graphite);height:280px;overflow:hidden}
.split-hero .split-visual img{width:100%;height:100%;object-fit:cover;object-position:center;display:block}
.split-hero .split-body{padding:36px 44px;display:flex;flex-direction:column;justify-content:center}
@media (max-width:800px){ .split-hero{grid-template-columns:1fr} .split-hero .split-visual{height:200px} .split-hero .split-body{padding:28px 6px} }

/* 하부장 페이지: 손상 리포트형 */
.report-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:30px 0}
.report-item{background:var(--surface);padding:26px 22px}
.report-item .r-tag{font-family:var(--ff-label);font-size:11px;color:var(--muted);letter-spacing:.08em}
.report-item h4{margin:10px 0 8px;font-size:16.5px}
.report-item p{font-size:13.5px;color:var(--muted)}
@media (max-width:700px){ .report-grid{grid-template-columns:1fr} }

/* 밑판 페이지: 체크리스트형 */
.checklist{border:1px solid var(--line);margin:30px 0}
.check-item{display:grid;grid-template-columns:44px 1fr;border-bottom:1px solid var(--line)}
.check-item:last-child{border-bottom:0}
.check-mark{display:flex;align-items:center;justify-content:center;border-right:1px solid var(--line);color:var(--muted)}
.check-mark svg{width:16px;height:16px}
.check-body{padding:18px 20px}
.check-body h4{font-size:15.5px;margin-bottom:4px}
.check-body p{font-size:13.5px;color:var(--muted)}

/* 싱크볼 페이지: 탑뷰/도면형 */
.topview{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:center;padding:20px 0 10px}
.topview-diagram{
  aspect-ratio:4/3;border:1px dashed var(--line);background:var(--surface);
  display:flex;align-items:center;justify-content:center;position:relative;
}
.topview-diagram svg{width:60%;height:60%;color:var(--graphite)}
.topview-diagram .dim{position:absolute;font-family:var(--ff-label);font-size:11px;color:var(--muted)}
.topview-diagram .dim.top{top:10px;left:50%;transform:translateX(-50%)}
.topview-diagram .dim.left{left:10px;top:50%;transform:translateY(-50%) rotate(-90deg)}
@media (max-width:760px){ .topview{grid-template-columns:1fr} }

/* 수납장 페이지: 블록 재구성형 */
.block-reconfig{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:28px 0}
.reconfig-block{aspect-ratio:1/1;border:1px solid var(--line);background:var(--surface);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:10px;text-align:center;transition:transform .18s ease}
.reconfig-block:hover{transform:translateY(-3px)}
.reconfig-block svg{width:30%;height:30%;color:var(--graphite)}
.reconfig-block span{font-size:12px;color:var(--muted);font-weight:600}
.reconfig-block.is-accent{background:var(--graphite)}
.reconfig-block.is-accent svg{color:var(--accent)}
.reconfig-block.is-accent span{color:#fff}
@media (max-width:640px){ .block-reconfig{grid-template-columns:repeat(2,1fr)} }

/* 배수구 교체 페이지: 규격/상태 확인 표 */
.spec-table{width:100%;border-collapse:collapse;margin:28px 0;font-size:14.5px}
.spec-table th,.spec-table td{border:1px solid var(--line);padding:14px 16px;text-align:left}
.spec-table th{background:var(--graphite);color:#fff;font-family:var(--ff-label);font-size:12px;letter-spacing:.06em;font-weight:600;text-transform:uppercase}
.spec-table td:first-child{font-weight:700;color:var(--graphite);white-space:nowrap}
.spec-table tr:nth-child(even) td{background:var(--silver-soft)}
@media (max-width:640px){ .spec-table{font-size:13px} .spec-table th,.spec-table td{padding:10px 10px} }

/* ---------- 상담문의 페이지 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
.contact-phone-card{background:var(--graphite);color:#fff;padding:40px 34px;border-radius:var(--radius)}
.contact-phone-card .h2{color:#fff}
.contact-phone-card .cta-phone-big{margin-top:22px}
.point-list{border-top:1px solid var(--line);margin-top:20px}
.point-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.point-item .mono-num{color:var(--silver);font-size:20px}
@media (max-width:800px){ .contact-grid{grid-template-columns:1fr} }

/* ---------- 세부페이지 FAQ (native details) ---------- */
.qa-details{border-top:1px solid var(--line);margin-top:16px}
.qa-details details{border-bottom:1px solid var(--line);padding:18px 4px}
.qa-details summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  cursor:pointer;font-weight:700;font-size:15px;color:var(--graphite);list-style:none;
}
.qa-details summary::-webkit-details-marker{display:none}
.qa-details summary::after{
  content:'+';font-family:var(--ff-label);font-size:18px;color:var(--muted);flex:none;
  transition:transform .2s ease;
}
.qa-details details[open] summary::after{transform:rotate(45deg)}
.qa-details .faq-a{padding:12px 0 0;padding-left:0}

/* ---------- 사이트맵 페이지 ---------- */
.sitemap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}
.sitemap-card{border:1px solid var(--line);background:var(--surface);padding:24px 22px;transition:transform .18s ease,box-shadow .18s ease}
.sitemap-card:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(34,36,31,.08)}
.sitemap-card .label{margin-bottom:10px}
.sitemap-card h4{font-size:16.5px;margin-bottom:8px}
.sitemap-card p{font-size:13.5px;color:var(--muted)}
@media (max-width:800px){ .sitemap-grid{grid-template-columns:1fr 1fr} }
@media (max-width:520px){ .sitemap-grid{grid-template-columns:1fr} }