/* 현관중문설치 — YK창호
   팔레트·서체 구조는 Nella Vetrina 공개 CSS 변수(paper #fdfbf6 / stone #f1eee3 / line-soft #ece7d9 / ink #0e0e0d / champagne #a6824e)와
   센터 워드마크 + 하단 센터 메뉴, 직각·헤어라인·그림자 없음 규칙을 따른다. */
:root{
  --paper:#fdfbf6; --stone:#f1eee3; --line-soft:#ece7d9; --line:#d9d2bf;
  --ink:#0e0e0d; --ink-soft:#2a2620; --mute:#6b655a; --gold:#a6824e; --gold-d:#765b30;
  --serif:"Noto Serif KR","Marcellus",serif; --latin:"Marcellus","Noto Serif KR",serif;
  --sans:"Noto Sans KR",-apple-system,BlinkMacSystemFont,system-ui,sans-serif;
  --pad:clamp(20px,4vw,56px); --max:1360px;
  --h-top:64px; --h-nav:46px;
}
*,*::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:300 16px/1.75 var(--sans);letter-spacing:-.005em;word-break:keep-all;overflow-wrap:break-word;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:400;line-height:1.25;letter-spacing:-.01em}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--paper);padding:8px 14px;z-index:200}
.skip:focus{left:8px}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--pad)}

/* ── 타이포 ── */
.eyebrow{font:400 14px/1 var(--latin);letter-spacing:.18em;text-transform:uppercase;color:var(--gold-d);margin:0 0 18px;display:flex;align-items:center;gap:12px}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--gold)}
.h2{font-size:clamp(1.65rem,1.2rem + 1.6vw,2.5rem)}
.lead{font-size:clamp(1rem,.96rem + .25vw,1.125rem);color:var(--ink-soft);max-width:36em}
.small{font-size:14px;color:var(--mute)}
.muted{color:var(--mute)}

/* ── 버튼 ── */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 26px;border:1px solid var(--ink);font:400 15px/1 var(--sans);letter-spacing:.02em;background:transparent;color:var(--ink);cursor:pointer;transition:background .25s,color .25s,border-color .25s}
.btn:hover{background:var(--ink);color:var(--paper)}
.btn--solid{background:var(--ink);color:var(--paper)}
.btn--solid:hover{background:var(--gold-d);border-color:var(--gold-d)}
.btn--light{border-color:rgba(253,251,246,.55);color:var(--paper)}
.btn--light:hover{background:var(--paper);color:var(--ink)}
.btn--solid-light{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.btn--solid-light:hover{background:var(--gold);border-color:var(--gold);color:var(--ink)}
.tlink{display:inline-flex;gap:10px;align-items:center;font-size:15px;border-bottom:1px solid var(--ink);padding-bottom:3px}
.tlink:hover{color:var(--gold-d);border-color:var(--gold-d)}

/* ── 헤더: 3분할 + 중앙 워드마크 + 하단 센터 내비 ── */
.hd{position:sticky;top:0;z-index:100;background:var(--paper);border-bottom:1px solid var(--line-soft)}
.hd__row{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:var(--h-top);padding:0 var(--pad);max-width:1600px;margin:0 auto}
.hd__l,.hd__r{display:flex;align-items:center;gap:28px}
.hd__r{justify-content:flex-end}
.hd__lnk{font-size:14px;letter-spacing:.02em}
.hd__lnk:hover{color:var(--gold-d)}
.hd__lnk--m{display:none}
.hd__brand{display:flex;flex-direction:column;align-items:center;line-height:1}
.hd__mark{font:400 26px/1 var(--latin);letter-spacing:.16em;padding-left:.16em}
.hd__sub{font-size:11px;letter-spacing:.32em;color:var(--mute);margin-top:6px;padding-left:.32em}
.hd__cta{font-size:14px;border:1px solid var(--ink);padding:9px 20px;transition:.25s}
.hd__cta:hover{background:var(--ink);color:var(--paper)}
.hd__burger{display:none;width:44px;height:44px;margin-left:-10px;border:0;background:none;cursor:pointer;position:relative}
.hd__burger span,.hd__burger::before,.hd__burger::after{content:"";position:absolute;left:11px;right:11px;height:1px;background:var(--ink);transition:.25s}
.hd__burger::before{top:17px}.hd__burger span{top:22px}.hd__burger::after{top:27px}
.hd__burger[aria-expanded=true]::before{top:22px;transform:rotate(45deg)}
.hd__burger[aria-expanded=true]::after{top:22px;transform:rotate(-45deg)}
.hd__burger[aria-expanded=true] span{opacity:0}
.hd__nav{border-top:1px solid var(--line-soft)}
.hd__nav>ul{display:flex;justify-content:center;gap:clamp(24px,3.4vw,56px);height:var(--h-nav);align-items:stretch}
.hd__nav>ul>li{display:flex;align-items:center}
.hd__nav>ul>li>a{font-size:15px;letter-spacing:.02em;padding:0 2px;position:relative;height:100%;display:flex;align-items:center}
.hd__nav>ul>li>a::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.hd__nav>ul>li>a:hover::after,.hd__nav>ul>li>a[aria-current]::after{transform:scaleX(1)}
.has-mega{position:static}
.mega{position:absolute;left:0;right:0;top:100%;background:var(--paper);border-bottom:1px solid var(--line-soft);opacity:0;visibility:hidden;transform:translateY(-6px);transition:.25s}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:none}
.mega__in{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--pad);max-width:var(--max);margin:0 auto;padding:28px var(--pad) 32px}
.mega a{display:grid;grid-template-columns:96px 1fr;gap:18px;align-items:center}
.mega img{width:96px;height:96px;object-fit:cover}
.mega strong{display:block;font:400 16px/1.4 var(--serif)}
.mega em{display:block;font-style:normal;font-size:14px;color:var(--mute);margin-top:4px}
.mega a:hover strong{color:var(--gold-d)}
.drawer{position:fixed;inset:calc(var(--h-top) + 1px) 0 0 0;background:var(--paper);z-index:99;overflow:auto;padding:12px var(--pad) 40px;display:flex;flex-direction:column}
.drawer[hidden]{display:none}
.drawer>ul>li{border-bottom:1px solid var(--line-soft)}
.drawer>ul>li>a{display:block;padding:18px 0;font:400 22px/1.3 var(--serif)}
.drawer ul ul{padding:0 0 16px 4px;display:grid;gap:2px}
.drawer ul ul a{display:block;padding:8px 0;font-size:16px;color:var(--mute)}
.drawer__foot{display:grid;gap:10px;margin-top:28px}

/* ── 히어로: 전체 폭 대형 슬라이드 → 독립 H1 영역 ── */
.hero{position:relative}
.slider{position:relative;width:100%;height:clamp(360px,calc(100svh - var(--h-top) - var(--h-nav) - 250px),680px);background:var(--stone);overflow:hidden}
.slider__s{position:absolute;inset:0;opacity:0;transition:opacity 1.1s ease;pointer-events:none}
.slider__s.is-on{opacity:1;pointer-events:auto}
.slider__s img{width:100%;height:100%;object-fit:cover;object-position:var(--op,50% 50%)}
.slider__bg{display:none}
@media (min-width:821px){
  /* 정사각형 현장 사진: 전체 폭 프레임 안에서 잘림·확대 없이 전체 높이로 표시, 양옆은 같은 사진을 흐리게 채움 */
  .slider__bg{display:block;position:absolute;left:-5%;top:-5%;width:110%;height:110%;object-fit:cover;filter:blur(34px) saturate(1.05);opacity:.85}
  .slider__s img.slider__fg{position:relative;object-fit:contain;object-position:50% 50%}
}
.slider__nav{position:absolute;right:var(--pad);bottom:22px;display:flex;gap:8px;z-index:3}
.slider__nav button{width:48px;height:48px;border:1px solid var(--ink);background:var(--paper);color:var(--ink);font-size:19px;line-height:1;cursor:pointer;transition:.25s}
.slider__nav button:hover{background:var(--ink);color:var(--paper)}
.slider__prog{position:relative;height:1px;background:var(--line)}
.slider__prog i{position:absolute;left:0;top:-1px;height:3px;width:0;background:var(--gold)}
.slider__bar{display:flex;align-items:center;gap:20px;padding-top:14px;font-size:14px;color:var(--mute)}
.slider__cap{flex:1;min-width:0;color:var(--ink-soft)}
.slider__count{font-family:var(--latin);letter-spacing:.1em;white-space:nowrap}
.slider__btn{border:0;background:none;font:400 14px var(--sans);cursor:pointer;color:var(--ink);padding:6px 2px;border-bottom:1px solid var(--ink)}
.intro{padding:clamp(28px,3vw,44px) 0 clamp(8px,2vw,24px)}
.intro__grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(32px,6vw,104px);align-items:start}
.intro h1{font-size:clamp(2.6rem,1.8rem + 3.6vw,4.75rem);font-weight:300;letter-spacing:-.035em;line-height:1.08;margin:0}
.intro .lead{margin-bottom:28px}
.hero__act{display:flex;flex-wrap:wrap;gap:12px}
.hero__meta{display:flex;flex-wrap:wrap;gap:8px 28px;margin-top:32px;padding-top:18px;border-top:1px solid var(--line);font-size:14px;color:var(--mute)}
.hero__meta b{font-weight:400;color:var(--ink)}

/* ── 섹션 공통 ── */
.sec{padding:clamp(64px,8vw,120px) 0}
.sec--stone{background:var(--stone)}
.sec--tight{padding:clamp(48px,6vw,88px) 0}
.sec__hd{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:clamp(32px,4vw,56px)}
.sec__hd .h2{max-width:16em}
.sec__hd p{max-width:30em;margin:0}

/* ── 시공사례 (히어로 직하) — 비대칭 편집 레이아웃 ── */
.works{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(16px,2vw,32px);align-items:start}
.fig{margin:0;position:relative}
.fig a{display:block;overflow:hidden;background:var(--stone)}
.fig img{width:100%;transition:transform .9s cubic-bezier(.2,.7,.2,1)}
.fig a:hover img{transform:scale(1.035)}
.fig figcaption{display:flex;justify-content:space-between;gap:16px;padding-top:12px;font-size:14px;color:var(--mute);border-top:1px solid var(--line);margin-top:12px}
.fig figcaption b{font-weight:400;color:var(--ink);font-family:var(--serif)}
.w1{grid-column:1/span 6}.w1 img{aspect-ratio:1/1;object-fit:cover}
.w2{grid-column:7/span 3;margin-top:clamp(40px,8vw,120px)}.w2 img{aspect-ratio:3/4;object-fit:cover}
.w3{grid-column:10/span 3}.w3 img{aspect-ratio:1/1;object-fit:cover}
.works__note{margin-top:28px;font-size:15px;color:var(--ink-soft)}
.works__note .tlink{margin-top:6px}

/* ── 중문 종류 인덱스 리스트 ── */
.ix{border-top:1px solid var(--ink)}
.ix__row{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,4fr) 220px 56px;gap:32px;align-items:center;padding:30px 0;border-bottom:1px solid var(--line);position:relative;transition:padding .35s,background .35s}
.ix__row h3{font-size:clamp(1.25rem,1.1rem + .6vw,1.65rem)}
.ix__row p{margin:0;color:var(--ink-soft);font-size:16px}
.ix__row .dia{color:var(--ink-soft);width:100%;height:auto;max-width:200px}
.ix__row .ix__open{font-size:14px;color:var(--gold-d);margin-top:6px;display:block;letter-spacing:.02em}
.ix__arr{font:300 26px/1 var(--latin);justify-self:end;transition:transform .3s}
.ix__row:hover{padding-left:16px;background:var(--stone)}
.ix__row:hover .ix__arr{transform:translateX(6px)}
.ix__th{position:absolute;right:300px;top:50%;width:150px;aspect-ratio:1;object-fit:cover;transform:translateY(-50%) scale(.92);opacity:0;pointer-events:none;transition:.35s;z-index:2}
.ix__row:hover .ix__th{opacity:1;transform:translateY(-50%) scale(1)}

/* ── 맞춤 제작·시공 ── */
.split{display:grid;grid-template-columns:5fr 6fr;gap:clamp(32px,6vw,104px);align-items:start}
.split--rev{grid-template-columns:6fr 5fr}
.split__img img{width:100%;aspect-ratio:4/5;object-fit:cover}
.split__img .cap{font-size:14px;color:var(--mute);margin-top:12px}
.steps{margin-top:34px;border-left:1px solid var(--line);margin-left:6px}
.steps li{position:relative;padding:0 0 28px 30px}
.steps li::before{content:"";position:absolute;left:-4px;top:11px;width:7px;height:7px;background:var(--gold)}
.steps h3{font:400 18px/1.4 var(--serif);margin-bottom:4px}
.steps p{margin:0;font-size:15px;color:var(--ink-soft)}
.fact{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:40px;border-top:1px solid var(--ink)}
.fact div{padding:18px 20px 0 0}
.fact dt{font-size:14px;color:var(--mute)}
.fact dd{margin:4px 0 0;font:400 16px/1.5 var(--serif)}

/* ── 디자인·소재 ── */
.mat{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--ink)}
.mat__c{padding:26px 28px 30px 0;border-right:1px solid var(--line)}
.mat__c + .mat__c{padding-left:28px}
.mat__c:last-child{border-right:0}
.mat h3{font-size:18px;margin-bottom:14px}
.mat ul{display:grid;gap:12px}
.mat li{display:flex;align-items:center;gap:12px;font-size:15px}
.sw{flex:none;width:34px;height:34px;border:1px solid var(--line)}
.sw--w{background:#f5f4f0}.sw--b{background:#17181a}
.sw--clear{background:linear-gradient(135deg,rgba(210,225,230,.55),rgba(255,255,255,.9))}
.sw--frost{background:repeating-linear-gradient(90deg,#e8e6e1 0 2px,#f3f1ec 2px 4px)}
.sw--smoke{background:linear-gradient(135deg,#3c4044,#1c1e20)}
.sw--arch{background:#fff;position:relative;overflow:hidden}
.sw--arch::after{content:"";position:absolute;left:7px;right:7px;top:6px;bottom:-4px;border:1.5px solid var(--ink-soft);border-radius:14px 14px 0 0}
.sw--grid{background:linear-gradient(var(--ink-soft) 1px,transparent 1px) 0 11px/100% 11px,linear-gradient(90deg,var(--ink-soft) 1px,transparent 1px) 11px 0/11px 100%,#fff}
.sw--bar{background:linear-gradient(90deg,transparent 28%,var(--ink-soft) 28% 32%,transparent 32%,transparent 66%,var(--ink-soft) 66% 70%,transparent 70%),#fff}
.note{font-size:14px;color:var(--mute);margin-top:22px}

/* ── 프로젝트 갤러리 (탭 + 편집형 패널) ── */
.tabs{display:flex;gap:clamp(20px,3vw,44px);border-bottom:1px solid var(--line);margin-bottom:36px;overflow-x:auto}
.tab{border:0;background:none;font:400 16px/1 var(--serif);padding:0 0 16px;cursor:pointer;color:var(--mute);white-space:nowrap;position:relative}
.tab[aria-selected=true]{color:var(--ink)}
.tab[aria-selected=true]::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--ink)}
.panel[hidden]{display:none}
.gal{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(14px,2vw,28px);align-items:start}
.gal .fig:nth-child(1){grid-column:1/span 7}
.gal .fig:nth-child(2){grid-column:8/span 5}
.gal .fig:nth-child(3){grid-column:8/span 5}
.gal--wide .fig:nth-child(1){grid-column:1/span 8}
.gal--wide .fig:nth-child(2){grid-column:9/span 4}
.gal--wide .fig:nth-child(3){grid-column:9/span 4}
.gal img{object-fit:cover;width:100%}
.gal .fig:nth-child(1) img{aspect-ratio:1/1}
.gal .fig:nth-child(n+2) img{aspect-ratio:4/3}
.gal--wide .fig:nth-child(1) img{aspect-ratio:4/3}
.gal--wide .fig:nth-child(n+2) img{aspect-ratio:4/3}
.gal:not(.gal--two) .fig:nth-child(1){grid-row:1/span 2}
.gal--two .fig:nth-child(1){grid-column:1/span 5}
.gal--two .fig:nth-child(2){grid-column:6/span 4;margin-top:60px}
.gal--two img{aspect-ratio:3/4!important}
.gal__cap{font-size:14px;color:var(--mute);margin:18px 0 0;max-width:40em}

/* ── 상담 밴드 ── */
.cta{background:var(--ink);color:var(--paper);padding:clamp(56px,7vw,104px) 0}
.cta .eyebrow{color:var(--gold)}
.cta__in{display:grid;grid-template-columns:1fr auto;gap:48px;align-items:end}
.cta h2{font-size:clamp(1.6rem,1.2rem + 1.5vw,2.4rem);font-weight:300;max-width:18em;margin-bottom:18px}
.cta p{color:rgba(253,251,246,.78);max-width:34em;margin:0}
.cta__act{display:grid;gap:12px;min-width:280px}
.cta__more{font-size:14px;color:rgba(253,251,246,.7);text-align:center;margin-top:4px}
.cta__more:hover{color:var(--gold)}

/* ── FAQ ── */
.faq-hd{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:28px}
.pager{display:flex;align-items:center;gap:18px;font:400 14px var(--latin);letter-spacing:.1em}
.pager button{width:46px;height:46px;border:1px solid var(--ink);background:none;cursor:pointer;font-size:18px;color:var(--ink);transition:.25s}
.pager button:hover:not(:disabled){background:var(--ink);color:var(--paper)}
.pager button:disabled{opacity:.3;cursor:default}
.faq-pages{overflow:hidden}
.faq-track{display:flex;transition:transform .55s cubic-bezier(.2,.7,.2,1)}
.faq-page{flex:0 0 100%;min-width:0;border-top:1px solid var(--ink)}
html:not(.js) .faq-track{display:block}
.qa{border-bottom:1px solid var(--line)}
.qa summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:22px 0}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";font:300 26px/1 var(--latin);color:var(--gold-d);flex:none;transition:transform .3s}
.qa[open] summary::after{transform:rotate(45deg)}
.qa h3{font:400 17px/1.5 var(--serif)}
.qa p{margin:0 0 24px;max-width:48em;color:var(--ink-soft);font-size:16px}
.faq-group{margin-top:56px}
.faq-group:first-of-type{margin-top:0}

/* ── 내부 페이지 ── */
.ph{padding:clamp(28px,3.4vw,52px) var(--pad) clamp(40px,5vw,72px);max-width:1600px;margin:0 auto}
.ph__grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(28px,5vw,88px);align-items:center}
.ph__grid--rev{grid-template-columns:minmax(0,6fr) minmax(0,5fr)}
.ph h1{font-size:clamp(2.1rem,1.4rem + 3.2vw,4rem);font-weight:300;letter-spacing:-.03em;line-height:1.12;margin-bottom:24px}
.ph__img{margin:0}
.ph__img img{width:100%;max-height:min(78svh,780px);object-fit:cover}
.ph__img--sq img{aspect-ratio:1/1}
.ph__img--wide img{aspect-ratio:16/10}
.ph__img figcaption{font-size:14px;color:var(--mute);margin-top:10px}
.crumb{font-size:14px;color:var(--mute);margin-bottom:22px}
.crumb a:hover{color:var(--ink)}
.crumb span{margin:0 8px;opacity:.5}
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:15px;min-width:640px}
caption{text-align:left;font:400 14px var(--latin);letter-spacing:.14em;color:var(--mute);padding-bottom:12px}
th,td{text-align:left;padding:16px 18px 16px 0;border-bottom:1px solid var(--line);vertical-align:top}
thead th{border-bottom:1px solid var(--ink);font:400 14px var(--sans);color:var(--mute)}
tbody th{font:400 16px/1.4 var(--serif);white-space:nowrap}
.pagelist{display:grid;grid-template-columns:repeat(2,1fr);gap:0 clamp(24px,4vw,72px)}
.pagelist li{border-bottom:1px solid var(--line);padding:14px 0;display:flex;gap:14px;align-items:baseline}
.pagelist li::before{content:"";width:6px;height:6px;background:var(--gold);flex:none;transform:translateY(-3px)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,88px)}
.prose p{max-width:38em;color:var(--ink-soft)}
.prose h2{margin:0 0 20px}
.gimg{display:grid;gap:clamp(14px,2vw,28px)}
.gimg--2{grid-template-columns:repeat(2,1fr)}
.gimg img{width:100%;aspect-ratio:3/4;object-fit:cover}
.gimg figcaption{font-size:14px;color:var(--mute);margin-top:10px}
.mosaic{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(12px,1.6vw,24px);align-items:start}
.mosaic .fig img{width:100%;object-fit:cover}
.upd{font-size:14px;color:var(--mute);margin-top:48px}
.sec-label{font:400 14px var(--latin);letter-spacing:.16em;color:var(--mute);margin-bottom:18px;text-transform:uppercase}

/* ── 푸터 (본문보다 작게) ── */
.ft{background:var(--stone);border-top:1px solid var(--line);font-size:14px;color:var(--ink-soft);line-height:1.8}
.ft__in{display:grid;grid-template-columns:1.1fr 1fr 1.6fr;gap:clamp(24px,4vw,64px);padding-top:56px;padding-bottom:40px}
.ft__mark{font:400 22px var(--latin);letter-spacing:.16em;color:var(--ink);margin-bottom:8px}
.ft__brand p:last-child{margin:0;color:var(--mute)}
.ft__nav{display:grid;grid-template-columns:1fr 1fr;gap:4px 24px;align-content:start}
.ft__nav a:hover,.ft__biz a:hover{color:var(--gold-d)}
.ft__biz{font-style:normal;display:grid;gap:2px;align-content:start}
.ft__base{border-top:1px solid var(--line);padding-top:18px;padding-bottom:28px;color:var(--mute);font-size:14px}
.ft__base p{margin:0}
.fab{display:none}

/* ── 모션 ── */
.rv{opacity:0;transform:translateY(22px);transition:opacity .9s ease,transform .9s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}
html:not(.js) .rv{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*{transition-duration:.01ms!important;animation:none!important;scroll-behavior:auto!important}.rv{opacity:1;transform:none}}

/* ── 태블릿 ── */
@media (max-width:1100px){
  .intro__grid{grid-template-columns:1fr;gap:24px;align-items:start}
  .ix__row{grid-template-columns:minmax(0,3fr) minmax(0,4fr) 40px}
  .ix__row .dia{display:none}
  .ix__th{display:none}
  .mat{grid-template-columns:repeat(2,1fr)}
  .mat__c:nth-child(2){border-right:0}
  .mat__c:nth-child(n+3){border-top:1px solid var(--line)}
  .mat__c:nth-child(3){padding-left:0}
  .ft__in{grid-template-columns:1fr 1fr}
  .ft__biz{grid-column:1/-1}
}
/* ── 모바일 ── */
@media (max-width:820px){
  :root{--h-top:58px}
  .hd__nav,.hd__lnk--d,.hd__cta{display:none}
  .hd__burger{display:block}
  .hd__lnk--m{display:block;font-size:14px}
  .hd__row{grid-template-columns:44px 1fr 44px}
  .hd__l{gap:0}
  .hd__mark{font-size:22px}
  .hd__sub{font-size:10px}
  .hd__r{justify-content:flex-end}
  .slider{height:auto;aspect-ratio:4/5;max-height:72svh}
  .slider__nav{right:14px;bottom:14px}
  .slider__nav button{width:44px;height:44px}
  .intro{padding-top:32px}
  .hero__act .btn{flex:1 1 100%}
  .sec__hd{flex-direction:column;align-items:flex-start;gap:16px}
  .works{display:flex;flex-wrap:wrap;gap:20px}
  .works .w1{flex:0 0 100%}
  .w2,.w3{flex:1 1 calc(50% - 10px);margin-top:0;min-width:0}
  .w2 img,.w3 img{aspect-ratio:3/4}
  .ix__row{grid-template-columns:minmax(0,1fr) 28px;gap:6px 14px;padding:22px 0}
  .ix__row p{grid-column:1;font-size:14.5px}
  .ix__row .ix__arr{grid-row:1;grid-column:2}
  .ix__row:hover{padding-left:0;background:none}
  .split,.split--rev,.ph__grid,.ph__grid--rev,.two,.cta__in{grid-template-columns:1fr}
  .split__img{order:-1}
  .split__img img{aspect-ratio:1/1}
  .ph__grid .ph__img{order:-1}
  .fact{grid-template-columns:1fr}
  .fact div{padding:14px 0;border-bottom:1px solid var(--line)}
  .gal,.gal--wide,.gal--two{display:flex;flex-wrap:wrap;gap:16px}
  .gal .fig,.gal--wide .fig,.gal--two .fig{flex:0 0 100%!important;margin-top:0!important}
  .gal .fig:nth-child(n+2){flex:1 1 calc(50% - 8px)!important}
  .gal--wide .fig:nth-child(n+2){flex:1 1 calc(50% - 8px)!important}
  .gal .fig:nth-child(n+2) img,.gal--wide .fig:nth-child(n+2) img{aspect-ratio:1/1}
  .gal--two .fig:nth-child(n) img{aspect-ratio:3/4!important}
  .gal--two .fig{flex:1 1 calc(50% - 8px)!important}
  .mosaic{display:flex;flex-wrap:wrap;gap:14px}
  .mosaic .fig{flex:1 1 calc(50% - 7px)!important;margin-top:0!important}
  .mosaic .fig.full{flex:0 0 100%!important}
  .fig figcaption{flex-direction:column;gap:2px}
  .pagelist{grid-template-columns:1fr}
  .mat{grid-template-columns:1fr}
  .mat__c{border-right:0!important;padding:22px 0!important;border-top:1px solid var(--line)}
  .mat__c:first-child{border-top:0}
  .faq-hd{flex-direction:column;align-items:flex-start}
  .qa h3{font-size:16px}
  .ft__in{grid-template-columns:1fr;padding-top:40px}
  .cta__act{min-width:0}
  .fab{display:flex;opacity:0;pointer-events:none;transition:opacity .3s;position:fixed;right:14px;bottom:14px;z-index:90;background:var(--ink);color:var(--paper);height:48px;padding:0 22px;align-items:center;font-size:14px;letter-spacing:.02em}
  .fab.on{opacity:1;pointer-events:auto}
}

/* ── 시공 현장 기록 카드 / 보조 ── */
.grp{font:400 14px var(--latin);letter-spacing:.16em;color:var(--mute);margin:44px 0 18px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.grp:first-of-type{margin-top:0}
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,32px)}
.case{display:block}
.case .case__t{display:block;border-top:1px solid var(--line);margin-top:12px;padding-top:12px}
.case img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .9s cubic-bezier(.2,.7,.2,1)}
.case{overflow:hidden}
.case:hover img{transform:scale(1.035)}
.case b{display:block;font:400 18px/1.4 var(--serif)}
.case em{display:block;font-style:normal;font-size:14px;color:var(--mute);margin-top:2px}
.case:hover b{color:var(--gold-d)}
.drawer__tel{text-align:center;font-size:16px;padding:10px 0}
h2.sec-label{font:400 14px var(--latin);letter-spacing:.16em;color:var(--mute);margin-bottom:18px;text-transform:uppercase}

/* 터치 영역 44px 이상 */
.slider__btn{min-height:44px;padding:0 4px;display:inline-flex;align-items:center}
.tab{min-height:44px;padding:0 2px 14px;display:inline-flex;align-items:flex-end}
.hd__lnk--m{display:none;padding:12px 4px}
@media (max-width:820px){.hd__lnk--m{display:block}}
.mosaic .fig figcaption,.cases .case em{flex-direction:column;gap:2px}

/* 카드 마지막 줄 정돈: 6열 격자에서 3개 / 2개(각 절반) / 1개(전체) */
.cases{grid-template-columns:repeat(6,1fr)}
.cases .case{grid-column:span 2}
.cases .case:nth-child(3n+1):nth-last-child(2),.cases .case:nth-child(3n+2):last-child{grid-column:span 3}
.cases .case:nth-child(3n+1):last-child{grid-column:1/-1}
.cases .case:nth-child(3n+1):last-child img,.cases .case:nth-child(3n+1):nth-last-child(2) img,.cases .case:nth-child(3n+2):last-child img{aspect-ratio:16/9}
.sw--g{background:#a7b6a8}
.todo{background:var(--paper);border:1px solid var(--line);padding:14px 18px;color:var(--ink-soft);font-size:14px;margin:0 0 8px}
h2.pv{font-size:1.25rem;margin:40px 0 12px}
h2.pv:first-child{margin-top:0}
.fab.hide{opacity:0!important;pointer-events:none!important}
@media (max-width:820px){
  .cases{grid-template-columns:1fr 1fr}
  .cases .case,.cases .case:nth-child(3n+1):nth-last-child(2),.cases .case:nth-child(3n+2):last-child{grid-column:span 1}
  .cases .case:first-child,.cases .case:nth-child(3n+1):last-child{grid-column:1/-1}
  .cases .case:nth-child(3n+1):last-child img{aspect-ratio:4/3}
  .ft__in{display:flex;flex-direction:column}
  .ft__biz{order:1}.ft__nav{order:2}.ft__brand{order:0}
}