:root{--accent:#2A3048;--accent-soft:#EEF0F4;--ink:#1F2128;--sub:#6B6B6B;--line:#E8E5DE;--warm:#F7F5F0;--r:2px;--serif:"Gowun Batang",serif;--sans:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,sans-serif}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--ink);background:#fff;line-height:1.75;font-size:16px;letter-spacing:-.01em;-webkit-font-smoothing:antialiased}
body,p,li,h1,h2,h3,h4,a,button,.card,footer,nav,td,th{word-break:keep-all;overflow-wrap:break-word;line-break:strict}
h1,h2,h3{font-family:var(--serif);font-weight:700;letter-spacing:-.035em;line-height:1.3;margin:0}
img{max-width:100%;height:auto}
a{color:inherit}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}
.nw{white-space:nowrap}

/* 탑 — 중앙 로고 + 헤어라인 */
.hd{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.hd-in{max-width:1240px;margin:0 auto;padding:0 24px;height:72px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center}
.nv{display:flex;gap:40px;align-items:center}.nv-r{justify-content:flex-end}
.nv a{font:600 15px var(--sans);color:var(--ink);text-decoration:none;white-space:nowrap}
.nv a:hover{text-decoration:underline;text-underline-offset:6px}
.btn-consult{background:var(--accent);color:#fff!important;height:44px;padding:0 28px;display:inline-flex;align-items:center;border-radius:var(--r)}
.btn-consult:hover{background:#3b4363;text-decoration:none!important}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-brand{font:700 17px var(--serif);letter-spacing:-.02em}
.logo-keyword{font-size:12px;color:var(--accent);letter-spacing:.04em;font-weight:600}

/* 공통 */
.btn{display:inline-flex;align-items:center;justify-content:center;height:52px;padding:0 32px;font:600 16px var(--sans);text-decoration:none;border:1px solid var(--accent);cursor:pointer;transition:background .2s;white-space:nowrap;border-radius:var(--r)}
.pri{background:var(--accent);color:#fff}.pri:hover{background:#3b4363}
.out{background:#fff;color:var(--accent)}.out:hover{background:var(--accent-soft)}
.sec{padding:128px 0}
.sec-head{margin-bottom:64px}
.eyebrow{display:flex;align-items:center;gap:8px;font:600 12px var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:24px}
.eyebrow:after{content:"";flex:1;height:1px;background:var(--line);margin-left:16px}
.sec-title{font-size:clamp(26px,3.2vw,40px)}
.sec-desc{margin:16px 0 0;color:var(--sub);max-width:680px}
.grid{display:grid;gap:32px}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}.g4{grid-template-columns:repeat(4,1fr);gap:24px}
.more-grid{margin-top:32px}.more-btn{text-align:center;margin-top:56px}
.card{display:block;text-decoration:none;color:inherit;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff}
.card-im{display:block;aspect-ratio:4/5;overflow:hidden}
.card-im img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.card:hover .card-im img{transform:scale(1.03)}
.card:hover strong{text-decoration:underline;text-underline-offset:5px}
.card-b{display:block;padding:24px}
.badge{display:block;font:600 12px var(--sans);color:var(--sub);letter-spacing:.04em;margin-bottom:8px}
.card strong{display:block;font:700 22px var(--serif);letter-spacing:-.03em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card .sub{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--sub);font-size:15px;margin:8px 0 16px}
.more{font-weight:600;font-size:14px;color:var(--accent)}
.g4 .card strong{font-size:18px}.g4 .card-b{padding:20px}

/* 서비스 = 3행 리스트 */
#services{padding:112px 0}
#services .grid,#services .more-grid{display:block;margin-top:0}
#services .more-grid{border-top:0}
#services .grid:first-of-type{border-top:1px solid var(--line)}
#services .card{display:grid;grid-template-columns:320px 1fr;gap:40px;align-items:center;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:40px 0;background:transparent}
#services .card-im{aspect-ratio:4/3;border-radius:var(--r)}
#services .card-b{padding:0}
#services .card strong{font-size:26px;white-space:normal}
#services .card .sub{font-size:16px;margin:10px 0 20px;-webkit-line-clamp:3}
#services .more{font-size:15px}
#services .more-btn{text-align:left;margin-top:40px}
#services .sec-head{margin-bottom:48px}

/* 시공사례 */
#portfolio{padding:112px 0}

/* 히어로 */
.hero{padding:80px 0 96px}
.hero-g{display:grid;grid-template-columns:1.05fr .95fr;gap:80px;align-items:center}
.hero-eb{margin-bottom:20px}.hero-eb:after{display:none}
.hero h1{font-size:60px;font-weight:700;letter-spacing:-.03em}
.hero .lead{max-width:480px;margin:24px 0 40px;font-size:17px;line-height:1.8;color:#4A4A4A}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-f{margin:0;height:560px;border-radius:var(--r);overflow:hidden}
.hero-f img{width:100%;height:100%;object-fit:cover;display:block}

/* 서브 상단 밴드 */
.phero{background-size:cover;background-position:center;padding:72px 0 64px;border-bottom:1px solid var(--line)}
.phero h1{font-size:clamp(26px,4vw,52px);margin-top:16px}
.phero p{margin:16px 0 0;color:#333;max-width:680px}
.crumb{font-size:13px;color:var(--sub)}.crumb a{text-decoration:none}.crumb span{margin:0 4px}

/* 본문 */
.art{max-width:800px}.art-w{max-width:760px}
.art h2{font-size:clamp(22px,2.4vw,30px);margin:56px 0 20px}
.art h3{font-size:20px;margin:32px 0 8px}
.art p{margin:0 0 16px;max-width:720px}
.lead-p{font-size:18px;line-height:1.8;margin:0 0 24px}
.top-ba .lead-p{margin-bottom:48px}
.top550{margin:0 0 40px}.top550 img{width:550px;max-width:100%;height:410px;object-fit:cover;object-position:center 30%;border-radius:var(--r);display:block}
.lbl{font-size:13px;color:var(--sub);margin-bottom:16px;letter-spacing:.04em}
.chk{list-style:none;margin:0 0 24px;padding:0}
.chk li{padding:12px 0 12px 28px;border-top:1px solid var(--line);position:relative}
.chk li:last-child{border-bottom:1px solid var(--line)}
.chk li:before{content:"";position:absolute;left:4px;top:22px;width:10px;height:10px;border:2px solid var(--accent);border-radius:var(--r)}
.steps{margin:0 0 24px;padding-left:24px}.steps li{padding:6px 0}
.tb{width:100%;border-collapse:collapse;margin:0 0 24px}
.tb th,.tb td{padding:16px 20px;border-top:1px solid var(--line);text-align:left;vertical-align:top}
.tb tbody tr:last-child th,.tb tbody tr:last-child td{border-bottom:1px solid var(--line)}
.tb thead th{background:var(--warm);font-weight:600;font-size:14px;color:var(--sub)}
.tb tbody th{width:28%;font-weight:600}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:0 0 24px}
.pair figure{margin:0}.pair img{width:100%;height:auto;border-radius:var(--r);display:block}
.pair figcaption{margin-top:12px;font-size:14px;color:var(--sub);text-align:center}
.cbox{margin:32px 0;display:flex;gap:12px;flex-wrap:wrap}
.chips{display:flex;flex-wrap:wrap;gap:12px}
.chip{border:1px solid var(--line);padding:12px 20px;text-decoration:none;font-weight:600;border-radius:var(--r);background:#fff}
.chip:hover{background:var(--accent-soft)}
.related{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.related a{display:block;text-decoration:none;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.related img{width:100%;height:180px;object-fit:cover;display:block}
.related span{display:block;padding:16px 20px;font:700 18px var(--serif)}

/* PROCESS */
.process-list{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.process-item{padding:28px 24px 28px 24px;border-right:1px solid var(--line)}
.process-item:first-child{padding-left:0}.process-item:last-child{border-right:none}
.pnum{display:block;font:600 14px var(--sans);color:var(--accent);margin-bottom:12px}
.process-item h3{font:700 20px var(--sans);letter-spacing:-.02em;margin:0 0 8px}
.process-item p{font-size:15px;color:#5B6169;line-height:1.65;margin:0}

/* 리폼이 맞는 경우: 좌 제목 / 우 내용 */
#about .wrap{display:grid;grid-template-columns:5fr 7fr;gap:80px;align-items:start}
#about .sec-head{margin-bottom:0}#about .tb{margin:0}

/* FAQ */
.faq details{border-top:1px solid var(--line)}.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:28px 0;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary h3{font:600 18px var(--sans);letter-spacing:-.02em}
.faq summary:after{content:"+";font-size:26px;font-weight:300;color:var(--accent);flex-shrink:0;line-height:1}
.faq details[open] summary:after{content:"−"}
.ans{padding:0 0 28px;color:#333;max-width:760px;font-size:16px;line-height:1.8}

/* Closing — 단색 남색 */
.closing{position:relative;height:520px;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;overflow:hidden;background:var(--accent)}
.closing img{display:none}
.closing-in{position:relative;padding:0 24px;max-width:100%}
.closing h2{font-size:44px;white-space:nowrap;color:#fff}
.closing .cq{margin:20px 0 36px;color:rgba(255,255,255,.8)}
.cbtns{display:flex;gap:12px;justify-content:center}
.cbtn,.cbtn2{display:inline-block;padding:0 44px;line-height:52px;border-radius:var(--r);text-decoration:none;font-weight:600;white-space:nowrap;border:1px solid #fff}
.cbtn{background:#fff;color:var(--accent)}.cbtn:hover{background:#E8EAF0}
.cbtn2{background:transparent;color:#fff}.cbtn2:hover{background:rgba(255,255,255,.12)}

/* 푸터 */
.ft{border-top:1px solid var(--line);padding:72px 0 40px;background:#fff;color:var(--ink)}
.ft-g{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:48px}
.ft-brand strong{display:block;font:700 22px var(--serif)}.ft-brand span{color:var(--sub);font-size:14px}
.ft h2{font:700 14px var(--sans);margin:0 0 16px;letter-spacing:0}
.ft ul{list-style:none;margin:0;padding:0}.ft li{padding:4px 0}.ft li a{text-decoration:none;font-size:14px;color:var(--sub)}.ft li a:hover{text-decoration:underline}
.ft-biz{grid-column:1/-1;border-top:1px solid var(--line);padding-top:32px;font-size:13px;color:var(--sub)}.ft-biz p{margin:2px 0}
.copy{grid-column:1/-1;margin:0;font-size:13px;color:var(--sub)}
.mbar{display:none}

/* 라이트박스 */
img[data-lb]{cursor:zoom-in}
.lb{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.85);display:flex;align-items:center;justify-content:center}
.lb img{max-width:92vw;max-height:90vh;width:auto;height:auto;object-fit:contain}
.lb button{position:absolute;background:none;border:0;color:#fff;font-size:34px;cursor:pointer;padding:16px}
.lb-x{top:8px;right:12px}.lb-p{left:8px;top:50%}.lb-n{right:8px;top:50%}

/* 모션 — fade-up 1종 */
.js .rv{opacity:0;transform:translateY(24px);transition:opacity .7s ease-out,transform .7s ease-out}
.js .rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}.card-im img{transition:none}}

@media(max-width:1023px){
 .sec,#services,#portfolio{padding:88px 0}.hero{padding:64px 0 80px}.hero-g{gap:48px}.hero h1{font-size:48px}.g4{grid-template-columns:repeat(2,1fr)}
 #about .wrap{grid-template-columns:1fr;gap:40px}.closing h2{font-size:36px}
}
@media(max-width:767px){
 .hd-in{height:auto;grid-template-columns:repeat(4,1fr);padding:0 8px}
 .nv{display:contents}
 .logo{grid-column:1/-1;grid-row:1;justify-self:center;padding:12px 0 10px}
 .nv a{text-align:center;font-size:14px;padding:12px 0;border-top:1px solid var(--line);display:block}
 .nv a.btn-consult{height:auto;padding:12px 0;justify-content:center;display:flex;border-radius:0}
 .sec,#services,#portfolio{padding:64px 0}.sec-head{margin-bottom:40px}
 .hero{padding:40px 0 64px}.hero-g{grid-template-columns:1fr;gap:32px}.hero h1{font-size:32px}
 .hero-f{height:auto;aspect-ratio:4/5}
 .g3,.g2,.g4{grid-template-columns:1fr;gap:24px}
 #services .card{grid-template-columns:1fr;gap:20px;padding:32px 0}
 #services .card-im{aspect-ratio:4/3}
 #services .card strong{font-size:22px}
 .phero{padding:48px 0 40px}.phero h1{font-size:clamp(24px,7vw,34px)}
 .sec-title{font-size:26px}
 .art h2{font-size:22px}.lead-p{font-size:16px}
 .top550 img{height:auto;aspect-ratio:550/410}
 .pair,.related{grid-template-columns:1fr 1fr;gap:12px}.related img{height:140px}.related span{font-size:15px;padding:12px}
 .process-list{grid-template-columns:1fr 1fr}.process-item{padding:20px 16px;border-bottom:1px solid var(--line)}.process-item:first-child{padding-left:16px}.process-item:nth-child(2n){border-right:none}
 .tb th,.tb td{padding:12px}.tb tbody th{width:34%}
 .closing{height:480px}.closing h2{font-size:clamp(16px,5vw,22px)}.closing .cq{font-size:14px}.cbtn,.cbtn2{padding:0 28px}
 .ft{padding:48px 0 96px}.ft-g{grid-template-columns:1fr 1fr;gap:32px 24px}.ft-brand{grid-column:1/-1}
 .mbar{display:grid;grid-template-columns:1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--line)}
 .mbar a{display:flex;align-items:center;justify-content:center;height:56px;font-weight:600;text-decoration:none;color:#fff;background:var(--accent)}
 .mbar a+a{background:#fff;color:var(--accent)}
 .cta .btn{flex:1}
}

/* ===== /guide/* 매거진형 매뉴얼 템플릿 ===== */
.ghero{background:var(--warm);padding:72px 0 64px;border-bottom:1px solid var(--line)}
.ghero .crumb{margin-bottom:28px}
.ghero .eyebrow{margin-bottom:20px}.ghero .eyebrow:after{display:none}
.ghero h1{font-size:52px;font-weight:700;letter-spacing:-.03em}
.ghero .lead-p{max-width:680px;margin:24px 0 0;font-size:18px;line-height:1.85;color:#4A4A4A}
.gpair .g1120{max-width:1168px;margin:0 auto;padding:64px 24px 96px}
.gpair .pair{gap:24px;margin:0}
.gpair .pair img{aspect-ratio:1/1;object-fit:cover;width:100%;height:auto;border-radius:var(--r)}
.gpair .pair figcaption{text-align:left;font:600 13px var(--sans);color:var(--sub);margin-top:12px}
.gart{padding:0 0 128px}
.gwrap{max-width:1044px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:220px minmax(0,680px);gap:96px;align-items:start}
.toc{position:sticky;top:100px}
.toc ul{list-style:none;margin:0;padding:0}
.toc li{margin:0 0 14px}
.toc a{display:block;font-size:14px;line-height:1.5;color:var(--sub);text-decoration:none;padding-left:14px;border-left:2px solid transparent}
.toc a:hover{color:var(--ink)}
.toc a.on{color:var(--accent);border-left-color:var(--accent);font-weight:600}
.gbody{counter-reset:h;font-size:17px;line-height:1.9;color:#2B2D33}
.gbody p{margin:0 0 24px;max-width:680px}
.gbody strong{font-weight:700}
.gbody h2,.gbody .faq-blk h2{font:700 32px/1.3 var(--serif);letter-spacing:-.03em;margin:0 0 28px}
.gbody h2{counter-increment:h;margin-top:96px;padding-top:56px;border-top:1px solid var(--line);scroll-margin-top:96px}
.gbody h2:first-child{margin-top:0;padding-top:0;border-top:0}
.gbody h2:before{content:counter(h,decimal-leading-zero);display:block;font:600 13px var(--sans);letter-spacing:.04em;color:var(--accent);margin-bottom:12px}
.gbody .faq-blk{margin-top:96px;padding-top:56px;border-top:1px solid var(--line);scroll-margin-top:96px}
.gbody .faq-blk .eyebrow{margin-bottom:16px}.gbody .faq-blk .eyebrow:after{display:none}
.gbody .faq-blk h2{margin:0 0 28px;padding:0;border:0;counter-increment:h}
.gbody .faq details:first-of-type{border-top:1px solid var(--line)}
.gbody .faq summary{padding:24px 0}
.gbody .faq summary h3{font:600 18px var(--sans)}
.gbody .ans{font-size:16px;line-height:1.85;max-width:680px}
/* 표 */
.gbody .tb{margin:0}
.gbody .tb thead th{background:none;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0;font:600 13px var(--sans);color:var(--sub)}
.gbody .tb thead th:first-child{width:160px}
.gbody .tb tbody th,.gbody .tb tbody td{padding:20px 0;border:0;border-bottom:1px solid var(--line)}
.gbody .tb tbody th{width:160px;font:600 15px var(--sans)}
.gbody .tb tbody td{font-size:16px}
/* 확인 포인트 = 번호 행 */
.gbody .pts{list-style:none;margin:0;padding:0;counter-reset:p}
.gbody .pts li{counter-increment:p;display:grid;grid-template-columns:44px 1fr;padding:16px 0;border-top:1px solid var(--line);font-size:16px;line-height:1.7}
.gbody .pts li:last-child{border-bottom:1px solid var(--line)}
.gbody .pts li:before{content:counter(p,decimal-leading-zero);font:600 14px var(--sans);color:var(--accent);position:static;width:auto;height:auto;border:0}
/* 진행 순서 = 타임라인 */
.gbody .steps{list-style:none;margin:0;padding:0 0 0 28px;border-left:1px solid #D9D5CB;counter-reset:t;margin-left:4px}
.gbody .steps li{counter-increment:t;position:relative;padding:0 0 28px;font-size:16px;line-height:1.7}
.gbody .steps li:last-child{padding-bottom:0}
.gbody .steps li:before{content:"";position:absolute;left:-33px;top:9px;width:8px;height:8px;border-radius:var(--r);background:var(--accent)}
.gbody .steps li:after{content:counter(t,decimal-leading-zero);order:-1}
.gbody .steps li{display:flex;gap:16px}
.gbody .steps li:after{position:static;font:600 14px var(--sans);color:var(--accent);flex:none;width:24px}
/* 다른 서비스 = 사진 없는 행 */
.rows-sec .rowlist{border-top:1px solid var(--line)}
.rowlist .card{display:grid;grid-template-columns:1fr auto;grid-template-areas:"b m";gap:24px;align-items:center;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:24px 0;background:transparent}
.rowlist .card-im{display:none}
.rowlist .card-b{padding:0;display:grid;grid-template-columns:200px 1fr;gap:4px 32px;align-items:baseline}
.rowlist .badge{grid-column:1;margin:0}
.rowlist .card strong{font:700 20px var(--serif);grid-column:2;white-space:normal}
.rowlist .card .sub{grid-column:2;margin:0;-webkit-line-clamp:1}
.rowlist .more{display:none}
.rowlist .card:after{content:"→";font-size:20px;color:var(--accent);grid-area:m}
@media(max-width:1023px){
 .gwrap{grid-template-columns:1fr;gap:0}.toc{display:none}
 .gbody{max-width:680px}
}
@media(max-width:767px){
 .ghero{padding:48px 0 40px}.ghero h1{font-size:32px}.ghero .lead-p{font-size:16px;line-height:1.85}
 .gpair .g1120{padding:40px 24px 64px}.gpair .pair{grid-template-columns:1fr;gap:20px}.gpair .pair img{aspect-ratio:4/5}
 .gart{padding-bottom:72px}
 .gbody{font-size:16px;line-height:1.85}.gbody h2,.gbody .faq-blk h2{font-size:26px}
 .gbody h2{margin-top:64px;padding-top:40px}.gbody .faq-blk{margin-top:64px;padding-top:40px}
 .gbody .tb thead th:first-child,.gbody .tb tbody th{width:34%}
 .rowlist .card-b{grid-template-columns:1fr}.rowlist .badge,.rowlist .card strong,.rowlist .card .sub{grid-column:1}
}