/* 닦을래요 에어컨세척 — 포스터형 에디토리얼 레이아웃(풀블리드 컬러 섹션 · 초대형 헤드라인 · 각진 이미지). 폰트: Pretendard */
:root{
  --red:#1f4f8f; --red-d:#173d72; --orange:#ff9020; --ink:#2b2b2b; --paper:#f3f3f0; --white:#fff; --muted:#5d5d5a; --line:#cfcfca;
  --max:1440px; --gut:32px;
  --font:'Pretendard Variable',Pretendard,-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo','Noto Sans KR','Malgun Gothic',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.8;word-break:keep-all;overflow-wrap:break-word;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0}
h1,h2,h3{margin:0;font-weight:800;letter-spacing:-.05em;line-height:1.1}
figure{margin:0}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
.wrap{width:100%;max-width:calc(var(--max) + var(--gut)*2);margin-inline:auto;padding-inline:var(--gut)}
.bg-paper{background:var(--paper)}.bg-white{background:var(--white)}
.bg-red{background:var(--red);color:#fff}

/* 헤더 */
.hd{position:sticky;top:0;z-index:50;background:var(--paper);border-bottom:1px solid transparent;transition:border-color .3s}
.hd.is-scrolled{border-color:var(--line)}
.hd .wrap{max-width:none}
.hd-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:20px;letter-spacing:-.04em}
.logo-mark{width:36px;height:36px}
.hd-r{display:flex;align-items:center;gap:8px}
.menu-btn{display:flex;align-items:center;gap:10px;height:44px;padding:0 16px;border:2px solid var(--ink);border-radius:0;background:transparent;color:var(--ink);font:inherit;font-weight:700;font-size:15px;cursor:pointer;transition:background .25s,color .25s}
.menu-btn:hover{background:var(--ink);color:var(--paper)}
.bars{position:relative;width:16px;height:2px;background:currentColor;transition:background .2s}
.bars::before,.bars::after{content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;transition:transform .3s}
.bars::before{top:-5px}.bars::after{top:5px}
.menu-btn[aria-expanded=true] .bars{background:transparent}
.menu-btn[aria-expanded=true] .bars::before{transform:translateY(5px) rotate(45deg)}
.menu-btn[aria-expanded=true] .bars::after{transform:translateY(-5px) rotate(-45deg)}
.menu{border-top:1px solid var(--line);background:var(--paper);max-height:calc(100vh - 68px);overflow:auto}
.menu[hidden]{display:none}
.menu .wrap{padding-block:28px 40px}
.menu-ttl{font-size:14px;font-weight:700;color:var(--muted);margin-bottom:8px}
.menu ul{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);column-gap:48px}
.menu li a{display:flex;flex-direction:column;gap:2px;padding:16px 0;border-bottom:1px solid var(--ink);text-decoration:none;transition:padding-left .25s,color .25s}
.menu li a:hover,.menu li a[aria-current]{padding-left:10px;color:var(--red)}
.menu li a span{font-size:21px;font-weight:800;letter-spacing:-.045em}
.menu li a small{font-size:14px;color:var(--muted);line-height:1.5}
.menu-cta{grid-column:1/-1}
.menu-cta a{display:block;padding:16px 0;border-bottom:1px solid var(--ink);text-decoration:none;font-size:21px;font-weight:800;letter-spacing:-.045em;color:var(--red)}

/* 버튼 (각진 오렌지) */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 24px;border-radius:0;background:var(--red);color:#fff;font-weight:700;font-size:16px;text-decoration:none;border:2px solid var(--red);transition:background .25s,color .25s,transform .25s}
.btn:hover{transform:translateY(-2px)}
.btn-sm{min-height:44px;font-size:15px;padding:0 18px;background:var(--orange);border-color:var(--orange);color:var(--ink)}
.btn-sm:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-or{background:var(--orange);border-color:var(--orange);color:var(--ink);min-height:56px;padding:0 32px;font-size:18px}
.btn-or:hover{background:#fff;border-color:#fff}
.btn-wl{background:transparent;border-color:#fff;color:#fff;min-height:56px;padding:0 32px;font-size:18px}
.btn-wl:hover{background:#fff;color:var(--red)}
.btn-ink{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-ink:hover{background:var(--red);border-color:var(--red)}

/* 히어로: 빨간 풀블리드 + 화면 폭 초대형 H1 */
.hero{padding:clamp(20px,3vw,40px) var(--gut) clamp(36px,5vw,72px);overflow:hidden}
.hero-in{max-width:none;display:grid;grid-template-columns:7fr 4fr;grid-template-areas:"crumb crumb" "h1 h1" "img tx";gap:clamp(20px,3vw,48px) clamp(24px,4vw,64px);align-items:end}
.crumbs{grid-area:crumb;font-size:14px;color:#fff;opacity:.92}
.crumbs ol{list-style:none;display:flex;gap:8px;flex-wrap:wrap}
.crumbs li+li::before{content:"/";margin-right:8px;opacity:.6}
.crumbs a{text-decoration:none}.crumbs a:hover{text-decoration:underline}
.hero h1{grid-area:h1;font-size:min(var(--fs,7vw),200px);line-height:.96;letter-spacing:-.065em;font-weight:800;color:#fff;margin-left:-.04em}
.hero-tx{grid-area:tx}
.hero-ph{grid-area:img}
.hero-ph img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--red-d)}
.answer{font-size:clamp(19px,1.8vw,25px);line-height:1.6;font-weight:700;letter-spacing:-.03em;color:#fff;margin-bottom:24px}
.facts{margin:0 0 28px;border-top:1px solid rgba(255,255,255,.7)}
.facts div{display:grid;grid-template-columns:96px 1fr;gap:14px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.35)}
.facts dt{font-size:14px;font-weight:600;opacity:.9}
.facts dd{margin:0;font-weight:700}
.call-box{display:flex;gap:10px;flex-wrap:wrap}

/* 섹션 공통 */
.sec{padding-block:clamp(56px,9vw,150px)}
.big{font-size:clamp(26px,3.7vw,54px);line-height:1.12;letter-spacing:-.055em;font-weight:800;color:var(--ink);max-width:18em}
.big.c{margin-inline:auto;text-align:center}
.mid{font-size:clamp(24px,2.9vw,42px);line-height:1.15;letter-spacing:-.05em;margin-bottom:clamp(20px,3vw,40px);max-width:20em}
.huge{font-size:clamp(34px,5.6vw,88px);line-height:1;letter-spacing:-.065em;text-align:center;margin-bottom:clamp(24px,3vw,40px)}
.ph img{width:100%;aspect-ratio:4/3;object-fit:cover;background:#e4e4e0}
.tx{font-size:16px;line-height:1.85;color:var(--ink)}
.tx p{text-indent:1em}
.tx p:last-child{margin-bottom:0}
.tx a,.tbl a,.qa a,.checks a{color:var(--red);font-weight:700;text-underline-offset:3px}
.tag{font-size:15px;font-weight:700;white-space:nowrap}

/* A: 초대형 H2 + 좌측 이미지 + 우측 좁은 본문 */
.sA-row{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gut);align-items:end;margin-top:clamp(32px,6vw,96px)}
.sA .ph{grid-column:1/7}
.sA .tx{grid-column:8/13;max-width:24em;padding-bottom:8px}
/* B: 상단 H2 + 우측 대형 이미지(우측 가장자리까지) */
.sB-h{display:flex;justify-content:space-between;align-items:flex-start;gap:24px}
.sB-row{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gut);align-items:start;margin-top:clamp(32px,5vw,72px)}
.sB .tx{grid-column:1/5;padding-top:8px}
.sB .ph{grid-column:5/13;margin-right:calc(var(--gut)*-1)}
.sB .ph img{aspect-ratio:16/10}
/* C: 중앙 정렬 */
.sC .ph{max-width:min(62%,860px);margin:clamp(28px,5vw,64px) auto}
.sC .tx.cols{columns:2;column-gap:clamp(24px,4vw,56px);max-width:46em;margin-inline:auto}
.sC .tx.cols p{break-inside:avoid}

/* 비용 표 (스펙 표 스타일) */
.spec-h{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:8px}
.spec-h .mid{margin-bottom:12px}
.note{font-size:15px;color:var(--muted);font-weight:600;margin:0 0 12px}
.tbl{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:16px;line-height:1.6}
th,td{padding:18px 16px 18px 0;text-align:left;vertical-align:top;border-top:1px solid var(--line)}
thead th{font-size:15px;font-weight:800;border-top:2px solid var(--ink);padding-block:14px;white-space:nowrap}
tbody tr:last-child th,tbody tr:last-child td{border-bottom:2px solid var(--ink)}
tbody th{font-weight:800;width:28%;font-size:17px}
td:nth-child(2){width:28%;font-weight:600}

/* 절차 */
.steps-wrap{display:grid;grid-template-columns:5fr 7fr;gap:clamp(24px,5vw,80px);align-items:start}
.steps-wrap .mid{position:sticky;top:96px}
.steps{list-style:none;counter-reset:s}
.steps li{counter-increment:s;position:relative;padding:24px 0 24px 88px;border-top:2px solid var(--ink)}
.steps li:last-child{border-bottom:2px solid var(--ink)}
.steps li::before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:18px;font-size:44px;font-weight:800;letter-spacing:-.06em;color:var(--red);line-height:1.2}
.steps h3{font-size:20px;margin-bottom:6px;letter-spacing:-.04em}
.steps p{margin:0}

/* 사진 모음: 2열 · 간격 10px · 각진 이미지 */
.gal{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.gal li:nth-child(odd):last-child{grid-column:1/-1}
.gal img{width:100%;aspect-ratio:4/3;object-fit:cover;background:#e4e4e0}
.gal li:nth-child(odd):last-child img{aspect-ratio:16/9}
.gal figcaption{margin-top:8px;font-size:14px;font-weight:700;color:var(--muted)}
.ex-in{display:grid;grid-template-columns:6fr 5fr;gap:clamp(28px,5vw,80px);align-items:center}
.checks{list-style:none}
.checks li{position:relative;padding:16px 0 16px 28px;border-top:1px solid var(--ink);font-size:18px;line-height:1.6}
.checks li:last-child{border-bottom:1px solid var(--ink)}
.checks li::before{content:"";position:absolute;left:0;top:1.5em;width:10px;height:10px;background:var(--red)}

/* 권장주기: 빨간 풀블리드 큰 글씨 */
.cyc .mid{color:#fff}
.statement{list-style:none;max-width:1000px}
.statement li{font-size:clamp(19px,2.1vw,30px);line-height:1.35;letter-spacing:-.04em;font-weight:700;padding:clamp(14px,2vw,24px) 0;border-top:1px solid rgba(255,255,255,.55)}
.statement li:last-child{border-bottom:1px solid rgba(255,255,255,.55)}

/* FAQ */
.faq{display:block}
.qa{display:grid;grid-template-columns:5fr 7fr;gap:clamp(16px,4vw,64px);padding:28px 0;border-top:2px solid var(--ink)}
.qa:last-child{border-bottom:2px solid var(--ink)}
.qa h3{font-size:clamp(19px,1.8vw,24px);display:flex;gap:12px;line-height:1.4;letter-spacing:-.04em}
.qa p{display:flex;gap:12px;margin:0;font-size:16px;line-height:1.8}
.q,.a{flex:none;display:inline-grid;place-items:center;width:28px;height:28px;font-size:14px;font-weight:800;line-height:1}
.q{background:var(--ink);color:#fff}
.a{background:var(--red);color:#fff}

/* 관련 링크 */
.rel{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.rel a{display:block;text-decoration:none;height:100%}
.rel img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:opacity .3s}
.rel a:hover img{opacity:.85}
.rel-t{display:block;margin-top:12px;font-size:21px;font-weight:800;letter-spacing:-.05em;line-height:1.15}
.rel-d{display:block;margin-top:6px;font-size:14px;line-height:1.6;color:var(--muted)}
.rel a:hover .rel-t{color:var(--red)}
.banner-sec{background:var(--paper)}
.banner{position:relative;display:block;overflow:hidden;text-decoration:none;color:#fff;isolation:isolate;margin-inline:var(--gut);margin-bottom:clamp(40px,6vw,96px)}
.banner img{width:100%;aspect-ratio:21/9;object-fit:cover;transition:transform .9s cubic-bezier(.2,.7,.2,1)}
.banner:hover img{transform:scale(1.03)}
.banner::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(23,61,114,.88),rgba(23,61,114,0) 65%);z-index:1}
.banner-tx{position:absolute;z-index:2;left:clamp(20px,4vw,56px);bottom:clamp(20px,4vw,48px);max-width:30em;display:flex;flex-direction:column;gap:6px}
.banner-tx small{font-size:14px;font-weight:700}
.banner-tx strong{font-size:clamp(28px,4vw,56px);letter-spacing:-.06em;line-height:1}
.banner-tx span{font-size:15px;line-height:1.6}

/* 마지막 CTA: 빨간 풀블리드 중앙 정렬 */
.cta-sec{padding-block:clamp(72px,11vw,180px) clamp(40px,5vw,64px)}
.cta{display:flex;flex-direction:column;align-items:center;text-align:center}
.cta p{font-size:clamp(17px,1.6vw,21px);max-width:28em;margin-bottom:28px;font-weight:600}
.lastmod{margin:0;background:var(--red);color:#fff;text-align:center;font-size:14px;padding:0 var(--gut) 56px}

/* 메인 5 이미지 그리드 */
.grid-head{display:grid;grid-template-columns:7fr 4fr;gap:var(--gut);align-items:end;margin-bottom:clamp(28px,4vw,56px)}
.grid-head p{margin:0;color:var(--muted)}
.grid5{list-style:none;display:grid;grid-template-columns:repeat(12,1fr);gap:10px var(--gut)}
.grid5 li{grid-column:span 4}
.grid5 li:nth-child(-n+2){grid-column:span 6}
.grid5 a{display:block;text-decoration:none}
.grid5 img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:opacity .3s}
.grid5 li:nth-child(-n+2) img{aspect-ratio:16/10}
.grid5 a:hover img{opacity:.86}
.g-t{display:block;margin-top:14px;font-size:clamp(24px,2.4vw,34px);font-weight:800;letter-spacing:-.06em;line-height:1.05}
.g-d{display:block;margin-top:8px;color:var(--muted);font-size:16px;line-height:1.6;max-width:30em}
.grid5 a:hover .g-t{color:var(--red)}
.grid5 li{margin-bottom:clamp(20px,3vw,48px)}

/* 상담 */
.info{margin:0 0 28px;max-width:760px}
.info div{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:16px 0;border-top:1px solid var(--line)}
.info div:last-child{border-bottom:1px solid var(--line)}
.info dt{font-weight:800}
.info dd{margin:0}
.info a{color:var(--red);font-weight:700}

/* 푸터 (빨간 CTA 영역에서 이어짐) */
.ft{background:var(--red);color:#fff;padding-block:48px 40px;border-top:1px solid rgba(255,255,255,.4)}
.ft-brand{font-size:28px;font-weight:800;letter-spacing:-.05em;margin-bottom:20px}
.ft-biz{margin:0 0 28px;display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px}
.ft-biz div{display:grid;grid-template-columns:120px 1fr;gap:12px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.3);font-size:15px;line-height:1.6}
.ft-biz dt{opacity:.9}
.ft-biz dd{margin:0;font-weight:600}
.ft-copy{margin:0;font-size:13px;opacity:.92}

/* 고정 UI */
.bbar{display:none}
.fhome{position:fixed;right:20px;bottom:20px;z-index:40;display:inline-flex;gap:6px;align-items:center;min-height:48px;padding:0 20px;border-radius:0;background:var(--ink);color:#fff;text-decoration:none;font-weight:600;font-size:15px;transition:transform .25s,background .25s}
.fhome span{font-weight:800}
.fhome:hover{background:var(--orange);color:var(--ink);transform:translateY(-3px)}

/* 스크롤 모션 */
.js .rv{opacity:0;transform:translateY(26px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.js .rv{opacity:1;transform:none;transition:none}*{transition-duration:.01ms!important}}

@media (max-width:1024px){
  .rel{grid-template-columns:repeat(2,1fr);gap:20px 10px}
  .sA .ph{grid-column:1/8}.sA .tx{grid-column:8/13}
  .hero-in{grid-template-columns:1fr 1fr}
}

/* 모바일 */
@media (max-width:768px){
  :root{--gut:16px}
  body{font-size:16px;line-height:1.8;padding-bottom:64px}
  .hd-in{height:60px}
  .menu{max-height:calc(100vh - 60px)}
  .menu ul{grid-template-columns:1fr}
  .menu li a span{font-size:22px}
  .menu-label{display:none}
  .menu-btn{width:44px;padding:0;justify-content:center}
  .hero{padding-top:16px}
  .hero h1{font-size:min(calc(var(--fs,7vw)*1.5),11.5vw)}
  .hero-in{grid-template-columns:1fr;grid-template-areas:"crumb" "h1" "tx" "img";gap:20px;align-items:start}
  .hero-ph{margin-inline:calc(var(--gut)*-1)}
  .hero-ph img{aspect-ratio:4/3}
  .facts div,.info div{grid-template-columns:88px 1fr;gap:12px}
  .call-box .btn,.hero-cta .btn{width:100%}
  .sA-row,.sB-row{display:block}
  .sA .ph,.sB .ph{margin:0 calc(var(--gut)*-1) 24px}
  .sA .tx{max-width:none}
  .sB-h{display:block}
  .sB-h .tag{display:block;margin-top:12px}
  .sB .ph{order:-1}
  .sB-row{display:flex;flex-direction:column}
  .sB .ph{margin-top:0}
  .sC .ph{max-width:none;margin-inline:calc(var(--gut)*-1)}
  .sC .tx.cols{columns:1}
  .ex-in{grid-template-columns:1fr}
  .ex-in .ph{margin-inline:calc(var(--gut)*-1);order:2}
  th,td{padding:14px 10px 14px 0;font-size:15px}
  tbody th{font-size:15px;width:30%}
  td:nth-child(2){width:auto}
  .steps-wrap{grid-template-columns:1fr;gap:16px}
  .steps-wrap .mid{position:static}
  .steps li{padding-left:60px}
  .steps li::before{font-size:32px;top:20px}
  .steps h3{font-size:18px}
  .gal{margin-inline:calc(var(--gut)*-1);gap:6px}
  .gal figcaption{padding-inline:var(--gut)}
  .qa{grid-template-columns:1fr;gap:14px;padding:22px 0}
  .rel{grid-template-columns:repeat(2,1fr);gap:20px 8px}
  .rel-t{font-size:18px}
  .rel-d{font-size:13px}
  .banner{margin-inline:0}
  .banner img{aspect-ratio:4/3}
  .grid-head{grid-template-columns:1fr;gap:12px}
  .grid5{display:block}
  .grid5 li,.grid5 li:nth-child(-n+2){margin-bottom:32px}
  .grid5 img,.grid5 li:nth-child(-n+2) img{aspect-ratio:4/3;margin-inline:calc(var(--gut)*-1);width:calc(100% + var(--gut)*2);max-width:none}
  .cta .btn{width:100%}
  .ft-biz{grid-template-columns:1fr}
  .ft-biz div{grid-template-columns:104px 1fr}
  .bbar{position:fixed;left:0;right:0;bottom:0;z-index:45;display:grid;grid-template-columns:1fr 1fr;background:var(--ink);padding-bottom:env(safe-area-inset-bottom)}
  .bbar a{display:flex;align-items:center;justify-content:center;min-height:60px;color:#fff;font-weight:800;font-size:17px;text-decoration:none}
  .bbar .bb-call{background:var(--orange);color:var(--ink)}
  .fhome{right:12px;bottom:74px;min-height:44px;padding:0 16px;font-size:14px}
}
@media (max-width:380px){.rel{grid-template-columns:1fr}}