:root{--ivory:#F5F2EA;--paper:#FBF9F4;--ink:#2B2A28;--warm:#6F695F;--line:#DDD7CA;--sand:#E9E3D5;--accent:#4F6355;--accent-d:#3B4B40;--r:4px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"Pretendard","Apple SD Gothic Neo","Noto Sans KR","Malgun Gothic",sans-serif;background:var(--paper);color:var(--ink);line-height:1.75;font-size:16px;word-break:keep-all;overflow-wrap:break-word;padding-bottom:64px}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
/* header */
.hd{background:var(--ivory);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.hd .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:12px}
.logo{display:flex;align-items:center;gap:9px;text-decoration:none;font-weight:800;font-size:18px;letter-spacing:-.02em}
.logo svg{width:28px;height:28px}
.nav{display:flex;gap:2px;font-size:14.5px}
.nav a{text-decoration:none;padding:8px 10px;border-radius:var(--r);color:var(--warm);font-weight:600}
.nav a:hover,.nav a[aria-current]{color:var(--ink);background:var(--sand)}
.nav a.tel{background:var(--accent);color:#fff;margin-left:6px}
.mnav{display:none;position:relative}
.mnav summary{list-style:none;cursor:pointer;padding:8px 12px;border:1px solid var(--line);border-radius:var(--r);font-weight:700;font-size:14px;background:var(--paper)}
.mnav summary::-webkit-details-marker{display:none}
.mnav div{position:absolute;right:0;top:46px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);min-width:190px;display:flex;flex-direction:column;box-shadow:0 8px 24px rgba(0,0,0,.08)}
.mnav a{padding:12px 16px;text-decoration:none;border-bottom:1px solid var(--line);font-size:15px}
.mnav a:last-child{border:0}
@media(max-width:860px){.nav{display:none}.mnav{display:block}}
/* hero */
.hero{background:var(--ivory);border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;padding-top:44px;padding-bottom:44px}
.hero.plain .wrap{grid-template-columns:1fr;padding-top:40px;padding-bottom:36px}
.crumb{font-size:13px;color:var(--warm);margin-bottom:14px}
.crumb a{text-decoration:none}
h1{font-size:clamp(34px,6vw,52px);line-height:1.15;letter-spacing:-.035em;margin-bottom:16px}
.lead{font-size:17px;color:#46423b;max-width:560px}
.pts{list-style:none;margin:20px 0 24px;display:grid;gap:8px}
.pts li{padding-left:22px;position:relative;font-size:15px}
.pts li:before{content:"";position:absolute;left:0;top:.62em;width:10px;height:2px;background:var(--accent)}
.hero-fig{position:relative;max-width:420px;justify-self:end;width:100%}
.hero-fig>img{border-radius:var(--r);border:1px solid var(--line);background:var(--sand)}
.hero-fig .inset{position:absolute;left:-14px;bottom:44px;width:30%;border:3px solid var(--paper);border-radius:var(--r);box-shadow:0 4px 14px rgba(0,0,0,.18)}
.hero-fig .tag{position:absolute;left:10px;top:10px;background:rgba(43,42,40,.85);color:#fff;font-size:12px;padding:3px 9px;border-radius:2px}
.hero-fig figcaption,.ba figcaption{font-size:13px;color:var(--warm);margin-top:8px}
@media(max-width:860px){.hero .wrap{grid-template-columns:1fr;gap:26px;padding-top:30px;padding-bottom:30px}.hero-fig{justify-self:center;max-width:340px}.hero-fig .inset{left:-8px}}
/* buttons */
.btns{display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:var(--r);text-decoration:none;font-weight:700;font-size:15.5px;border:1px solid var(--accent);background:var(--accent);color:#fff}
.btn:hover{background:var(--accent-d)}
.btn.ghost{background:transparent;color:var(--accent-d)}
.btn.ghost:hover{background:var(--sand)}
/* sections */
main section{padding:52px 0;border-bottom:1px solid var(--line)}
main section.alt{background:var(--ivory)}
.sec-no{font-size:13px;font-weight:800;color:var(--accent);letter-spacing:.08em;margin-bottom:6px;display:block}
h2{font-size:clamp(23px,3.6vw,30px);letter-spacing:-.03em;line-height:1.3;margin-bottom:10px}
h3{font-size:18px;letter-spacing:-.02em;line-height:1.4;margin-bottom:6px}
.sub{color:var(--warm);margin-bottom:26px;max-width:680px}
p+p{margin-top:10px}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:860px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{border:1px solid var(--line);background:var(--paper);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column}
.card .body{padding:16px 18px 20px}
.card p{font-size:14.5px;color:#46423b}
a.card{text-decoration:none;transition:border-color .15s}
a.card:hover{border-color:var(--accent)}
.card .more{display:inline-block;margin-top:10px;font-size:14px;font-weight:700;color:var(--accent-d)}
.thumb{aspect-ratio:3/4;width:100%;object-fit:cover;background:var(--sand)}
/* before-after */
.ba{display:block}
.ba .pair{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.ba .pair div{position:relative}
.ba .pair img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:var(--r);background:var(--sand)}
.ba .pair span{position:absolute;left:6px;top:6px;background:rgba(43,42,40,.85);color:#fff;font-size:12px;padding:2px 8px;border-radius:2px}
.ba .pair div:last-child span{background:var(--accent)}
.ba figcaption b{color:var(--ink)}
/* table */
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--paper)}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:14.5px}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--sand);font-weight:700;white-space:nowrap}
tr:last-child td{border-bottom:0}
/* steps */
.steps{list-style:none;counter-reset:s;display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.steps li{counter-increment:s;border-top:3px solid var(--accent);padding-top:12px;font-size:14.5px}
.steps li:before{content:counter(s,decimal-leading-zero);display:block;font-weight:800;color:var(--accent);margin-bottom:2px}
.steps b{display:block;font-size:16px;margin-bottom:3px}
@media(max-width:860px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.steps{grid-template-columns:1fr}}
.chk{list-style:none;display:grid;gap:10px}
.chk li{padding:12px 14px 12px 42px;border:1px solid var(--line);border-radius:var(--r);background:var(--paper);position:relative;font-size:15px}
.chk li:before{content:"";position:absolute;left:14px;top:15px;width:14px;height:14px;border:2px solid var(--accent);border-radius:2px}
/* faq */
.faq{display:grid;gap:8px;max-width:800px}
.faq details{border:1px solid var(--line);border-radius:var(--r);background:var(--paper)}
.faq summary{list-style:none;cursor:pointer;padding:15px 44px 15px 18px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary h3{font-size:16.5px;margin:0}
.faq summary:after{content:"+";position:absolute;right:18px;top:12px;font-size:22px;color:var(--accent);line-height:1.2}
.faq details[open] summary:after{content:"−"}
.faq details>div{padding:0 18px 18px;font-size:15px;color:#46423b}
.faq [hidden]{display:none}
.faq-more{margin-top:14px}
noscript .faq [hidden]{display:block}
/* cta */
.cta{background:var(--ink);color:#F5F2EA;padding:46px 0;text-align:left}
.cta .wrap{display:flex;gap:24px;justify-content:space-between;align-items:center;flex-wrap:wrap}
.cta h2{color:#fff;margin:0 0 6px}
.cta p{color:#C9C3B6;font-size:15px}
.cta .btn{background:#F5F2EA;color:var(--ink);border-color:#F5F2EA}
.cta .btn.ghost{background:transparent;color:#F5F2EA;border-color:#8A8378}
/* footer */
.ft{background:#201F1D;color:#B9B3A6;font-size:14px;padding:36px 0 28px}
.ft .cols{display:grid;grid-template-columns:1.3fr 1fr;gap:30px}
.ft b{color:#F5F2EA}
.ft a{text-decoration:none}
.ft dl{display:grid;grid-template-columns:auto 1fr;gap:3px 14px;margin-top:10px}
.ft dt{color:#8A8378}
.ft ul{list-style:none;display:flex;flex-wrap:wrap;gap:6px 16px;margin-top:10px}
.ft small{display:block;margin-top:20px;color:#7d776c;font-size:12.5px}
@media(max-width:700px){.ft .cols{grid-template-columns:1fr}}
.bar{position:fixed;left:0;right:0;bottom:0;display:grid;grid-template-columns:1fr 1fr;z-index:30;border-top:1px solid var(--line)}
.bar a{min-height:54px;display:flex;align-items:center;justify-content:center;font-weight:800;text-decoration:none;font-size:16px;background:var(--accent);color:#fff}
.bar a+a{background:var(--paper);color:var(--ink)}
@media(min-width:861px){.bar{display:none}body{padding-bottom:0}}
.note{font-size:13px;color:var(--warm);margin-top:14px}
.upd{font-size:13px;color:var(--warm);padding:18px 0}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.tags span{border:1px solid var(--line);background:var(--paper);padding:5px 12px;border-radius:99px;font-size:14px}
/* 메인 분할 히어로 */
.hero.split{background:var(--ink);color:#F5F2EA;border:0}
.hero.split .wrap{display:block;padding-top:40px;padding-bottom:36px}
.hero.split h1{color:#fff;margin-bottom:12px}
.hero.split .lead{color:#D8D2C4;max-width:640px}
.hero.split .pts{display:flex;flex-wrap:wrap;gap:6px 22px;margin:16px 0 22px}
.hero.split .pts li{color:#D8D2C4}
.hero.split .pts li:before{background:#8FA596}
.hero.split .btn{background:#F5F2EA;color:var(--ink);border-color:#F5F2EA}
.hero.split .btn.ghost{background:transparent;color:#F5F2EA;border-color:#8A8378}
.hs-fig{margin:0;background:var(--ivory);border-bottom:1px solid var(--line);padding:28px 20px 22px}
.hs-fig .pair{max-width:840px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.hs-fig .pair div{position:relative}
.hs-fig img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:var(--r);background:var(--sand)}
.hs-fig .pair span{position:absolute;left:10px;top:10px;background:rgba(43,42,40,.88);color:#fff;font-size:13px;padding:3px 10px;border-radius:2px}
.hs-fig .pair div:last-child span{background:var(--accent)}
.hs-fig figcaption{max-width:840px;margin:10px auto 0;font-size:13px;color:var(--warm)}
@media(max-width:560px){.hs-fig{padding:16px 12px 14px}.hs-fig .pair{gap:5px}.hero.split .wrap{padding-top:28px;padding-bottom:26px}}
/* 간격 확대 + 시공사례 1건 1열 */
main section{padding:84px 0}
.sub{margin-bottom:36px}
.grid{gap:26px}
.nav{gap:10px}
.nav a{padding:8px 12px}
.cases{display:grid;grid-template-columns:1fr;gap:44px}
.cases .ba{max-width:720px}
.cases>a{display:block}
.ba .pair{gap:8px}
.ba figcaption{font-size:14px;margin-top:10px}
@media(max-width:560px){main section{padding:56px 0}.sub{margin-bottom:26px}.cases{gap:34px}.grid{gap:20px}}
/* 분할 히어로 텍스트 2단 */
.hero.split .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding-top:44px;padding-bottom:40px}
.hero.split h1{margin-bottom:14px}
.hero.split .lead{font-size:18px;line-height:1.7;max-width:none}
.hero.split .lead b{color:#fff}
.hero.split .lead.sm{font-size:15px;margin-top:12px;color:#B9B3A6}
.hs-pts{list-style:none;display:grid;gap:0;margin-bottom:22px;border-top:1px solid #4a4843}
.hs-pts li{display:flex;gap:14px;align-items:baseline;padding:12px 0;border-bottom:1px solid #4a4843;font-size:15px;color:#E6E0D2}
.hs-pts i{font-style:normal;font-weight:800;font-size:13px;color:#8FA596;letter-spacing:.06em}
.hs-pts a{color:#fff;font-weight:700;text-decoration:none}
@media(max-width:860px){.hero.split .wrap{grid-template-columns:1fr;gap:22px;padding-top:30px;padding-bottom:28px}.hero.split .lead{font-size:16.5px}.hero.split .lead br{display:none}}
/* 전후 사진 폭 = 히어로 텍스트 컨테이너(.wrap)와 동일 */
.hs-fig{padding:32px 0 26px}
.hs-fig .pair,.hs-fig figcaption{width:calc(100% - 40px);max-width:1040px;margin-left:auto;margin-right:auto}
.hs-fig figcaption{margin-top:12px}
@media(max-width:560px){.hs-fig{padding:20px 0 16px}}
.cases .ba{max-width:none}
.cases>a{display:block}
.cases .ba figcaption{margin-top:12px}
/* 히어로 상담 박스 (왼쪽 하단) */
.hero.split .wrap{align-items:end}
.hs-r .hs-pts{margin-bottom:0}
.hs-cta{display:grid;grid-template-columns:1.25fr 1fr;margin-top:26px;border:1px solid #8A8378;border-radius:var(--r);overflow:hidden;max-width:520px}
.hs-cta a{display:flex;flex-direction:column;gap:2px;padding:14px 20px;text-decoration:none;color:#F5F2EA}
.hs-cta a:first-child{background:#F5F2EA;color:var(--ink)}
.hs-cta a+a{border-left:1px solid #8A8378}
.hs-cta small{font-size:12.5px;font-weight:600;opacity:.8}
.hs-cta b{font-size:19px;letter-spacing:-.01em;white-space:nowrap}
.hs-cta a:hover{background:#fff;color:var(--ink)}
@media(max-width:860px){.hero.split .wrap{align-items:start}.hs-r .hs-pts{margin-bottom:0}}
@media(max-width:400px){.hs-cta b{font-size:16px}.hs-cta a{padding:12px 14px}}
/* 히어로 내 스크롤 사례 (3건) */
.hs-case{margin:0}
.hs-case+.hs-case{margin-top:48px}
.hs-fig .hs-case figcaption{margin-top:12px}
.js .hs-case.rv{opacity:0;transform:translateY(40px);transition:opacity .6s,transform .6s}
.js .hs-case.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.js .hs-case.rv{opacity:1;transform:none;transition:none}}
@media(max-width:560px){.hs-case+.hs-case{margin-top:32px}}
.hero.split .crumb{color:#B9B3A6;margin-bottom:16px}
.hero.split .crumb a{color:#D8D2C4}
/* 효과2: 사례 번호·진행 표시 */
.hs-no{width:calc(100% - 40px);max-width:1040px;margin:0 auto 10px;display:flex;align-items:baseline;gap:6px;color:#B3AB9B;font-weight:800;transition:color .3s}
.hs-no b{font-size:28px;letter-spacing:-.02em;line-height:1;transition:color .3s}
.hs-no span{font-size:14px}
.hs-no:after{content:"";flex:1;height:2px;margin-left:12px;background:var(--line);align-self:center;transition:background .3s}
.hs-case.cur .hs-no{color:var(--accent)}
.hs-case.cur .hs-no b{color:var(--ink)}
.hs-case.cur .hs-no:after{background:var(--accent)}
/* 효과4: 시공 전 → 시공 후 순차 등장 */
.js .hs-case .pair div:last-child span{opacity:0;transition:opacity .45s .35s}
.js .hs-case.in .pair div:last-child span{opacity:1}
.js .hs-case.rv .pair div:last-child img{opacity:0;transition:opacity .6s .3s}
.js .hs-case.rv.in .pair div:last-child img{opacity:1}
/* 효과5: 상담 박스 고정(데스크톱 전용) */
.fix-cta{display:none}
@media(min-width:861px){
.fix-cta{display:block;position:fixed;right:24px;bottom:24px;z-index:40;border:1px solid #8A8378;border-radius:var(--r);overflow:hidden;box-shadow:0 8px 28px rgba(0,0,0,.25);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .3s,transform .3s,visibility .3s}
.fix-cta.on{opacity:1;visibility:visible;transform:none}
.fix-cta a{padding:13px 20px;text-decoration:none;font-weight:700;font-size:15px;background:var(--ink);color:#F5F2EA;white-space:nowrap}
.fix-cta a+a{background:var(--paper);color:var(--ink);border-left:1px solid #8A8378}
.fix-cta a:hover{background:var(--accent);color:#fff}
}
@media(prefers-reduced-motion:reduce){
.js .hs-case .pair div:last-child span,.js .hs-case.rv .pair div:last-child img{opacity:1;transition:none}
.hs-no,.hs-no b,.hs-no:after,.fix-cta{transition:none}
}
@media(max-width:560px){.hs-no{width:calc(100% - 40px)}.hs-no b{font-size:24px}}
.sec-no em{font-style:normal;margin-left:10px;padding-left:12px;border-left:1px solid var(--line);color:var(--warm);font-weight:700;letter-spacing:.14em}
/* SITE 실제 시공 현장 (사진 + 짧은 설명 교차 배치) */
.ed-head{margin-top:72px;padding-top:40px;border-top:1px solid var(--line)}
.ed-head h3{font-size:clamp(22px,3.4vw,28px);letter-spacing:-.03em;margin-bottom:0}
.ed{display:grid;grid-template-columns:minmax(0,380px) 1fr;gap:48px;align-items:center;margin-top:36px}
.ed.rev{grid-template-columns:1fr minmax(0,380px)}
.ed.rev figure{order:2}
.ed figure img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:var(--r);border:1px solid var(--line);background:var(--sand)}
.ed-t p{font-size:17px;line-height:1.8;color:#46423b;max-width:30em}
.js .ed.rv{opacity:0;transform:translateY(36px);transition:opacity .6s,transform .6s}
.js .ed.rv.in{opacity:1;transform:none}
@media(max-width:760px){.ed,.ed.rev{grid-template-columns:1fr;gap:18px;margin-top:28px}.ed.rev figure{order:0}.ed figure{max-width:340px}.ed-head{margin-top:52px;padding-top:30px}}
@media(prefers-reduced-motion:reduce){.js .ed.rv{opacity:1;transform:none;transition:none}}
/* 히어로 설명 문구 ↔ 상담 버튼 간격 */
.hero .lead+.btns{margin-top:34px}
.hero .pts{margin:22px 0 34px}
.hero.split .lead.sm+.hs-cta,.hero.split .hs-cta{margin-top:40px}
@media(max-width:560px){.hero .lead+.btns{margin-top:26px}.hero .pts{margin:18px 0 26px}.hero.split .hs-cta{margin-top:30px}}
/* 단계 목록 줄 간격 */
.steps{gap:30px 18px}
.steps li{padding-top:16px;line-height:1.9}
.steps li:before{margin-bottom:6px}
.steps b{margin-bottom:10px;line-height:1.5}
.btns{gap:12px}
@media(max-width:480px){.steps{gap:24px}}
/* 상담 방법: 연락 카드 + 세로 타임라인 */
.cs{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:64px;align-items:start}
.cs-l{display:grid;gap:16px}
.cs-card{display:flex;flex-direction:column;gap:4px;padding:26px 28px;border-radius:var(--r);text-decoration:none;background:var(--ink);color:#F5F2EA;border:1px solid var(--ink)}
.cs-card small{font-size:14px;font-weight:600;opacity:.75}
.cs-card b{font-size:clamp(24px,3.4vw,30px);letter-spacing:-.02em;line-height:1.3}
.cs-card span{font-size:14px;opacity:.8;margin-top:6px}
.cs-card.alt{background:var(--paper);color:var(--ink);border-color:var(--line)}
.cs-card:hover{border-color:var(--accent)}
.tl{list-style:none;position:relative;display:grid;gap:30px}
.tl:before{content:"";position:absolute;left:19px;top:20px;bottom:20px;width:2px;background:var(--line)}
.tl li{position:relative;padding-left:62px;min-height:40px;display:flex;flex-direction:column;justify-content:center;gap:2px}
.tl i{position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;background:var(--paper);border:2px solid var(--accent);color:var(--accent-d);font-style:normal;font-weight:800;display:flex;align-items:center;justify-content:center}
.tl li:last-child i{background:var(--accent);color:#fff}
.tl b{font-size:17px;line-height:1.4}
.tl span{font-size:15px;color:#46423b}
@media(max-width:860px){.cs{grid-template-columns:1fr;gap:40px}}
@media(max-width:480px){.cs-card{padding:20px}.tl{gap:24px}}
/* 상담 방법: 좌우 높이·비율 맞춤 */
.cs{grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:48px;align-items:stretch}
.cs-l{grid-template-rows:1fr 1fr;gap:16px}
.cs-card{justify-content:center;padding:28px 32px}
.tl{align-content:space-between;gap:0;padding:6px 0}
.tl li{min-height:64px}
.tl:before{top:26px;bottom:26px}
@media(max-width:860px){.cs{grid-template-columns:1fr;gap:36px}.cs-l{grid-template-rows:auto}.tl{gap:26px;padding:0}.tl li{min-height:40px}.tl:before{top:20px;bottom:20px}}
@media(max-width:480px){.cs-card{padding:20px}}
/* 데스크톱: 문장별 줄바꿈 */
br.d{display:block;content:""}
.hero:not(.split) .lead{max-width:680px}
.sub{max-width:760px}
@media(max-width:860px){br.d{display:none}}
/* 시공 사례 설명: 사진 상단 */
.ba{display:flex;flex-direction:column}
.ba figcaption{order:-1;margin:0 0 12px;font-size:15px;line-height:1.5}
.cases .ba figcaption{margin:0 0 12px}