:root{--accent:#2E3A48;--accent-soft:#E8ECF0;--ink:#000;--txt:#4B5563;--line:#E5E5E5;--f-title:"Gowun Batang",serif;--f-body:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}
body{margin:0;font-family:var(--f-body);color:var(--ink);background:#fff;letter-spacing:-.02em;word-break:keep-all;line-height:1.7;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--f-title);color:var(--ink);line-height:1.3;margin:0}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
.wrap{max-width:1280px;margin:0 auto;padding:0 24px}.narrow{max-width:900px}
.nowrap{white-space:nowrap}
/* header: bath-emblem */
.hd{background:#fff;color:#000;position:sticky;top:0;z-index:50;border-bottom:1px solid var(--line)}
.hd-line{height:4px;background:var(--accent)}
.hd-brand{display:flex;align-items:center;gap:18px;max-width:1280px;margin:0 auto;padding:12px 24px 6px}
.hd-rule{flex:1;height:1px;background:#000}
.hd-name{font-family:var(--f-title);font-size:14px;color:#000;white-space:nowrap}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink)}
.logo-icon{width:34px;height:34px;color:var(--accent);flex-shrink:0;display:block}.logo-icon svg{width:100%;height:100%}
.logo-text{display:flex;flex-direction:column;line-height:1.15}.logo-brand{font-family:var(--f-title);font-size:1.15rem;font-weight:700}.logo-keyword{font-size:.7rem;color:var(--accent);letter-spacing:.04em}
.hd-nav{display:flex;justify-content:center;align-items:center;gap:30px;padding:6px 24px 12px}
.hd-nav a{font-size:15px;font-weight:500;color:#000}.hd-nav a:hover{color:var(--accent)}
.hd-nav .btn-cta{background:var(--accent);color:#fff;padding:8px 20px;border-radius:8px;font-weight:600}
.hd-nav .btn-cta:hover{color:#fff;opacity:.9}
/* hero dual */
.hero-dual{background:#fff}
.hd-imgs{display:grid;grid-template-columns:1fr 1fr}
.hd-imgs figure{margin:0;height:clamp(380px,44vw,620px);overflow:hidden;background:#F3F3F1}
.hd-imgs img{width:100%;height:100%;object-fit:cover;object-position:50% 40%}
.hd-band{text-align:center;padding:44px 24px 52px}
.hd-band h1{font-size:clamp(40px,5.4vw,76px);letter-spacing:-.04em}
.hero-sub{margin:14px 0 26px;font-size:17px;color:var(--txt);white-space:nowrap}
.hero-btns{display:flex;gap:12px;justify-content:center}
.btn-fill,.btn-line{display:inline-block;padding:13px 32px;border-radius:8px;font-weight:600;font-size:16px;font-family:var(--f-body)}
.btn-fill{background:var(--accent);color:#fff}.btn-line{border:1px solid #000;color:#000;background:#fff}
/* sections */
.section{padding:88px 0}
.section-head{margin-bottom:8px}
.eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--accent);margin-bottom:12px}
.eyebrow svg{flex-shrink:0}
.section-title{font-size:clamp(24px,2.5vw,34px);margin-bottom:34px}
.label-head{display:flex;align-items:center;gap:16px;margin-bottom:6px}.lh-rule{flex:1;height:1px;background:#000}.label-head .eyebrow{margin:0}
.answer{font-size:17px;line-height:1.85;color:#222;background:var(--accent-soft);border-left:3px solid var(--accent);padding:18px 22px;border-radius:0 12px 12px 0;margin:0 0 28px}
.more{text-align:center;margin:36px 0 0}.more a{border-bottom:1px solid #000;padding-bottom:2px;font-weight:600}
.check-list{margin:22px 0;padding:0;list-style:none}.check-list li{padding:8px 0 8px 20px;position:relative;color:var(--txt)}.check-list li:before{content:"";position:absolute;left:0;top:19px;width:8px;height:1px;background:var(--accent)}
.check-list.sm a:hover{color:var(--accent);text-decoration:underline}
/* tables */
.tbl-wrap{overflow-x:auto;margin:22px 0}.info-table{width:100%;border-collapse:collapse;font-size:15px}
.info-table caption{text-align:left;font-size:13px;color:#777;padding-bottom:8px}
.info-table th,.info-table td{border:1px solid #E0E0DC;padding:12px 16px;text-align:left;vertical-align:top}
.info-table thead th{background:var(--accent-soft);font-weight:700}.info-table tbody th{background:#FAF7EE;font-weight:600;white-space:nowrap}
/* cases 3 (design 2) */
.cases3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{display:block;background:#fff;border:1px solid #E5E5E5;border-radius:12px;overflow:hidden;transition:border-color .3s}
.case-card:hover{border-color:#000}
.case-card .im{display:block;aspect-ratio:1/1;overflow:hidden}.case-card .im img{width:100%;height:100%;object-fit:cover;object-position:50% 35%;border-radius:12px 12px 0 0;transition:transform .5s}
.case-card:hover .im img{transform:scale(1.05)}
.case-card .tx{display:block;padding:18px 20px 22px}.case-card small{display:block;color:var(--accent);font-weight:700;font-size:12px;letter-spacing:.08em;margin-bottom:4px}
.case-card strong{display:block;font-family:var(--f-title);font-size:19px;line-height:1.4}.case-card .tx span{display:block;color:var(--txt);font-size:14px;margin-top:4px}
/* service */
.svc5{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.svc-card{display:block;background:#fff;border:1px solid #E5E5E5;border-radius:12px;padding:0 0 20px;overflow:hidden}
.svc-card .im{display:block;aspect-ratio:4/5;overflow:hidden;margin-bottom:16px}.svc-card .im img{width:100%;height:100%;object-fit:cover;border-radius:12px 12px 0 0;transition:transform .5s}
.svc-card:hover .im img{transform:scale(1.04)}
.svc-icon{display:block;width:44px;height:44px;flex-shrink:0;overflow:hidden;color:var(--accent);margin:0 18px 8px}.svc-icon svg{display:block;width:100%;height:100%;max-width:44px;max-height:44px}
.svc-card strong{display:block;font-family:var(--f-title);font-size:17px;margin:0 18px 6px;line-height:1.4}.svc-card>span:last-child{display:block;margin:0 18px;font-size:13.5px;color:var(--txt);line-height:1.6}
/* area */
.area6{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.area-card{display:block;background:#fff;border:1px solid #E0E0DC;border-radius:12px;padding:24px 26px;transition:border-color .3s,transform .3s}.area-card:hover{border-color:#000;transform:translateY(-4px)}
.area-card strong{display:block;font-family:var(--f-title);font-size:20px}.area-card span{color:var(--txt);font-size:14px}
/* faq */
.faq-list{max-width:900px}.faq-item{border-bottom:1px solid #DDD}.faq-item:first-child{border-top:1px solid #DDD}
.faq-item summary{cursor:pointer;list-style:none;padding:20px 40px 20px 0;position:relative}.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";position:absolute;right:6px;top:16px;font-size:24px;color:var(--accent)}.faq-item[open] summary:after{content:"−"}
.faq-item h3{font-size:18px;font-family:var(--f-body);font-weight:700}.faq-item p{margin:0 0 20px;color:var(--txt);line-height:1.85}
/* process */
.process-list{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #E0E0DC}
.process-item{padding:28px 20px 28px 24px;border-right:1px solid #E0E0DC}.process-item:first-child{padding-left:0}.process-item:last-child{border-right:none}
.pnum{display:block;font-size:13px;font-weight:700;color:var(--accent);margin-bottom:10px}
.process-item h3{font-size:16px;font-weight:800;color:#22262B;margin:0 0 8px;font-family:var(--f-body)}.process-item p{font-size:13.5px;color:#5B6169;line-height:1.65;margin:0}
/* sub pages */
.page-hero,.pf-hero{position:relative;overflow:hidden;background:#FAF7EE;display:flex;align-items:center}
.page-hero{min-height:300px}.pf-hero{min-height:38vh}
.ph-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 30%}
.page-hero:after,.pf-hero:after{content:"";position:absolute;inset:0;background:rgba(250,247,238,.88)}
.ph-in{position:relative;z-index:1;padding-top:44px;padding-bottom:44px;width:100%}
.ph-in h1{font-size:clamp(28px,3.4vw,46px);margin:8px 0 12px}
.ph-lead{max-width:860px;color:#333;font-size:16px;line-height:1.8;margin:0}
.crumbs{font-size:13px;color:#666;display:flex;gap:8px;flex-wrap:wrap}.crumbs em{font-style:normal;color:#000}
.case-body,.guide-body{padding-top:56px}
.top550{width:550px;max-width:100%;height:500px;margin:0 0 40px;background:#F3F3F1;border-radius:16px;overflow:hidden}
.top550 img{width:100%;height:100%;object-fit:contain}
.label{font-size:11px;color:#888;letter-spacing:.08em;margin:0 0 14px}
.case-h2{font-size:clamp(21px,2vw,27px);margin:48px 0 18px}.case-body .case-h2:first-of-type{margin-top:0}
.case-body p,.guide-body p{color:var(--txt);font-size:16px;line-height:1.9;margin:0 0 18px}
.case-body p.answer,.guide-body p.answer{color:#222;font-size:17px}
.beforefig{margin:0}.beforefig img{width:auto;max-width:100%;max-height:500px;height:auto;object-fit:contain;border-radius:12px;background:#F3F3F1}
figcaption{font-size:13px;color:#777;margin-top:8px}figcaption a:hover{text-decoration:underline}
.gfig{margin:28px 0}.gfig img{width:auto;max-width:100%;max-height:520px;height:auto;border-radius:12px;background:#F3F3F1}
.related-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}.rel-card img{width:100%;height:180px;object-fit:cover;object-position:50% 35%;border-radius:12px}.rel-card strong{display:block;margin-top:10px;font-family:var(--f-title);font-size:16px;line-height:1.4}
.rel-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.rel-card2 img{width:100%;height:220px;object-fit:cover;object-position:50% 35%;border-radius:12px;transition:transform .4s}
.rel-card2 small{display:block;margin-top:10px;color:var(--accent);font-weight:700;font-size:12px}.rel-card2 strong{font-family:var(--f-title);font-size:17px;line-height:1.4}
.near{display:flex;flex-wrap:wrap;gap:10px}.near a{border:1px solid #CCC;border-radius:8px;padding:9px 16px;font-size:14px}.near a:hover{border-color:#000}
.tel-card{background:var(--accent-soft);border-radius:16px;padding:32px;text-align:center;margin:24px 0}.tel-num{display:block;font-family:var(--f-title);font-size:clamp(32px,5vw,52px);font-weight:700;color:var(--accent)}.tel-btns{display:flex;gap:12px;justify-content:center;margin-top:18px}
/* portfolio */
.pf-intro{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:start;margin-bottom:64px}.pf-intro>div{min-width:0}
.pf-intro figure{margin:0;overflow:hidden;border-radius:12px}.pf-intro img{width:100%;height:auto;aspect-ratio:7/6;object-fit:cover;border-radius:0}
.pf-intro p{color:var(--txt)}
.pf-list{display:flex;flex-wrap:wrap;gap:56px 2%}
.pf-item{display:block;min-width:0}.pf-item .im{display:block;overflow:hidden;border-radius:12px;margin-bottom:14px}.pf-item .im img{width:100%;height:100%;object-fit:cover;object-position:50% 35%;transition:transform .5s}.pf-item:hover .im img{transform:scale(1.03)}
.pf-item strong{display:block;font-family:var(--f-title);font-size:20px;line-height:1.4}.pf-item>span:last-child{color:var(--txt);font-size:14px}
.w30{width:30%}.w30 .im{aspect-ratio:5/6}.w68{width:68%}.w68 .im{aspect-ratio:9.45/5}.w49{width:49%}.w49 .im{aspect-ratio:7/6}
.pager{display:flex;justify-content:center;gap:12px;margin-top:64px;align-items:center}.pager span{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:15px}.pg-cur{background:#000;color:#fff}
/* closing */
.closing{position:relative;height:650px;overflow:hidden;display:flex;align-items:center;justify-content:center;text-align:center;background:#131313}
.closing img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 40%}
.closing:before{content:"";position:absolute;inset:0;background:rgba(19,19,19,.55);z-index:1}
.closing-in{position:relative;z-index:2;color:#fff;padding:0 20px}
.closing-head{color:#fff;font-size:clamp(20px,2.6vw,38px);white-space:nowrap;margin-bottom:16px}
.closing-quote{color:#fff;opacity:.92;margin:0 0 30px;font-size:16px}
.closing-btn{display:inline-block;border:1px solid #fff;color:#fff;padding:14px 46px;border-radius:0;font-weight:600;font-size:16px;transition:background .3s,color .3s}.closing-btn:hover{background:#fff;color:#000}
/* footer */
.ft{background:#fff;color:#000;border-top:1px solid var(--line);padding:56px 0 24px}
.ft-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}.ft-h{font-family:var(--f-body);font-size:16px;font-weight:700;margin-bottom:16px}
.ft ul{list-style:none;margin:0;padding:0}.ft li{padding:4px 0;font-size:14px;color:#333}.ft ul a:hover{text-decoration:underline}
.ft-btns{display:flex;gap:10px;margin-top:18px}.ft-btns a{border:1px solid #000;padding:9px 20px;font-size:14px;border-radius:8px;font-weight:600}
.ft-copy{padding-top:32px;font-size:13px;color:#555}
.mbar{display:none}
/* lightbox */
.lb-ov{position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:999;display:flex;align-items:center;justify-content:center}.lb-ov img{max-width:92vw;max-height:90vh;width:auto;height:auto;border-radius:0}
.lb-ov button{position:absolute;top:50%;transform:translateY(-50%);background:none;border:0;color:#fff;font-size:44px;cursor:pointer;padding:16px}.lb-p{left:8px}.lb-n{right:8px}
img[data-full]{cursor:zoom-in}
@media(min-width:900px){.section-title,.case-h2{white-space:nowrap}}
@media(max-width:1100px){.svc5{grid-template-columns:repeat(2,1fr)}.svc5 .svc-card:last-child{grid-column:1/-1}}
@media(max-width:899px){.cases3,.area6{grid-template-columns:1fr}.hero-sub,.closing-head{white-space:normal}.process-list{grid-template-columns:1fr 1fr}.process-item:nth-child(2){border-right:none}.process-item:first-child{padding-left:24px}
 .pf-intro,.ft-grid{grid-template-columns:1fr}.pf-list{gap:36px 0}.w30,.w49,.w68{width:100%}.w30 .im,.w49 .im,.w68 .im{aspect-ratio:7/6}}
@media(max-width:767px){body{padding-bottom:56px}.hd-name{display:none}.hd-nav{gap:16px;overflow-x:auto;justify-content:flex-start;padding:6px 16px 10px;white-space:nowrap}.hd-nav a{font-size:14px}
 .hd-imgs figure{height:280px}.section{padding:56px 0}.hd-band{padding:32px 20px 40px}.ph-lead{font-size:15px}.related-row,.rel-grid{grid-template-columns:1fr}.top550{height:auto;aspect-ratio:550/500}
 .svc5{grid-template-columns:1fr}.svc5 .svc-card:last-child{grid-column:auto}.closing{height:520px}.closing-head{font-size:21px}.info-table{font-size:14px}.info-table th,.info-table td{padding:10px}.info-table tbody th{white-space:normal}
 .mbar{display:grid;grid-template-columns:1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:60;height:52px;background:#fff;border-top:1px solid var(--line)}.mbar a{display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px}.mbar a:first-child{background:var(--accent);color:#fff}.mbar a:last-child{color:#000}
 .tel-btns{flex-direction:column}}

.fab{position:fixed;right:20px;top:50%;transform:translateY(-50%);z-index:70;width:68px;padding:14px 0;background:#5C2832;color:#fff;border-radius:12px;display:flex;flex-direction:column;align-items:center;gap:6px;font-size:13px;font-weight:600;box-shadow:0 4px 18px rgba(0,0,0,.18);transition:opacity .2s}
.fab:hover{opacity:.9}
@media(max-width:767px){.fab{display:none}}