:root{--accent:#3D4F5D;--accent-soft:#E6EAED;--ink:#000;--desc:#4B5563;--line:#E5E5E5;--bg1:#FAF7EE;--bg2:#F3F3F1;--bg3:#F9F7F3;--bg4:#F4F3EC;
--font-title:"Noto Serif KR",serif;--font-body:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.75;letter-spacing:-.02em;word-break:keep-all;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--font-title);font-weight:600;line-height:1.3;margin:0}
p{margin:0 0 16px}a{color:inherit}img{max-width:100%;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
/* header (bath-emblem) */
.top{position:sticky;top:0;z-index:50;background:#fff;color:#000}
.top-line{height:4px;background:var(--accent)}
.top-brand{display:flex;align-items:center;gap:22px;max-width:1200px;margin:0 auto;padding:14px 24px 8px}
.top-brand .rule{flex:1;height:1px;background:#000;opacity:.85}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.logo-icon{display:block;width:34px;height:34px;flex-shrink:0;color:var(--accent);overflow:hidden}
.logo-icon svg{display:block;width:100%;height:100%;max-width:34px;max-height:34px}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-brand{font-family:var(--font-title);font-size:1.15rem;font-weight:700;color:var(--ink)}
.logo-keyword{font-size:.72rem;font-weight:500;color:var(--accent);letter-spacing:.04em}
.nav{display:flex;justify-content:center;align-items:center;gap:34px;padding:6px 24px 12px;border-bottom:1px solid var(--line)}
.nav a{text-decoration:none;font-size:15px;font-weight:500;color:#000;white-space:nowrap}
.nav a:hover{color:var(--accent)}
.nav .cta,.btn{display:inline-block;background:var(--accent);color:#fff;font-family:var(--font-body);font-weight:600;font-size:15px;padding:9px 22px;border-radius:6px;text-decoration:none;border:1px solid var(--accent);transition:.2s}
.nav .cta{color:#fff}.nav .cta:hover,.btn:hover{background:#2c3a45;color:#fff}
.btn-line{background:#fff;color:#000;border-color:#000}.btn-line:hover{background:#000;color:#fff}
.eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--accent);margin-bottom:10px;text-transform:uppercase}
.eyebrow svg{flex-shrink:0}
.section{padding:88px 0}
.section-head{margin-bottom:40px}
.section-title{font-size:clamp(24px,2.5vw,36px)}
.section-sub{color:var(--desc);margin:12px 0 0}
.bg1{background:var(--bg1)}.bg2{background:var(--bg2)}.bg3{background:var(--bg3)}.bg4{background:var(--bg4)}
img{border-radius:12px}
/* hero id3 */
.hero{padding:56px 0 40px}
.hero-top{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:36px}
.hero h1{font-size:clamp(40px,8vw,118px);line-height:1.05;white-space:nowrap;letter-spacing:-.04em}
.hero-side{max-width:420px;text-align:left}
.hero-side p{font-size:16px;color:var(--desc);white-space:nowrap;margin-bottom:18px}
.hero-btns{display:flex;gap:10px;flex-wrap:wrap}
.hero-img{width:100%;height:clamp(300px,42vw,580px);object-fit:cover;object-position:50% 40%;border-radius:20px}
/* answer */
.answer p.lead{font-size:19px;line-height:1.8;max-width:920px}
table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;background:#fff}
th,td{border:1px solid var(--line);padding:13px 16px;text-align:left;vertical-align:top}
th{background:var(--accent-soft);font-weight:700}
/* cases design1 */
.c4{display:grid;grid-template-columns:repeat(2,590px);gap:20px;justify-content:center}
.c4 a{position:relative;display:block;width:590px;height:396px;overflow:hidden;border-radius:12px;text-decoration:none;color:#000}
.c4 img{width:100%;height:100%;object-fit:cover;border-radius:12px}
.c4 .face{position:absolute;inset:0;background:#fff;padding:34px;opacity:0;transition:opacity .35s;display:flex;flex-direction:column;justify-content:center;border-radius:12px}
.c4 a:hover .face{opacity:1}
.c4 .face h3{font-size:22px;margin-bottom:12px}.c4 .face p{color:var(--desc);font-size:15px;margin:0}
.c4 .cap{position:absolute;left:0;right:0;bottom:0;padding:34px 24px 16px;background:linear-gradient(transparent,rgba(0,0,0,.55));color:#fff;font-weight:600;font-size:15px}
.more{margin-top:32px;text-align:center}
/* service wide */
.wide{display:grid;grid-template-columns:1.15fr 1fr;gap:56px;align-items:center}
.wide img{width:100%;height:520px;object-fit:cover}
.wide h2{font-size:clamp(24px,2.2vw,32px);margin-bottom:14px;white-space:nowrap}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 26px;padding:0;list-style:none}
.tags a{display:inline-block;border:1px solid #cfcfcf;background:#fff;padding:6px 14px;border-radius:999px;font-size:14px;text-decoration:none}
.tags a:hover{border-color:var(--accent);color:var(--accent)}
.svc-list{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.svc-card{display:block;background:#fff;border:1px solid var(--line);padding:26px 22px;text-decoration:none;border-radius:8px;transition:.25s}
.svc-card:hover{border-color:#000;transform:translateY(-4px)}
.svc-icon{display:block;width:44px;height:44px;flex-shrink:0;overflow:hidden;color:var(--accent);margin-bottom:14px}
.svc-icon svg{display:block;width:100%;height:100%;max-width:44px;max-height:44px}
.svc-card h3{font-size:18px;margin-bottom:8px}.svc-card p{font-size:14px;color:var(--desc);margin:0}
/* 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(--font-body)}
.process-item p{font-size:13.5px;color:#5B6169;line-height:1.65;margin:0}
/* faq */
.faq details{border-bottom:1px solid #d9d9d5;padding:0}
.faq summary{cursor:pointer;list-style:none;padding:20px 40px 20px 0;position:relative;font-weight:600;font-size:17px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:6px;top:16px;font-size:26px;font-weight:300}
.faq details[open] summary:after{content:"\2212"}
.faq details h3{display:inline;font-family:var(--font-body);font-size:17px;font-weight:600}
.faq .ans{padding:0 40px 22px 0;color:var(--desc)}
/* page hero */
.page-hero{position:relative;padding:76px 0 66px;background:#e9e7e1 center/cover no-repeat;overflow:hidden}
.page-hero:before{content:"";position:absolute;inset:0;background:rgba(255,255,255,.72)}
.page-hero .wrap{position:relative}
.page-hero h1{font-size:clamp(28px,4.2vw,52px);letter-spacing:-.03em}
.page-hero p{margin:14px 0 0;color:#333;font-size:16px}
.crumb{font-size:13px;color:#444;margin-bottom:14px}.crumb a{text-decoration:none}
.crumb a:hover{text-decoration:underline}
/* detail */
.detail{padding:60px 0 20px;max-width:900px;margin:0 auto}
.topfig{margin:0 0 40px}
.topfig img{width:auto;max-width:550px;max-height:500px;height:auto;object-fit:contain;border-radius:12px;cursor:zoom-in;background:#f3f3f1}
.topfig figcaption,.ba figcaption,.pair figcaption{font-size:13px;color:#666;margin-top:8px}
.lbl{font-size:11px;color:#777;letter-spacing:.08em;margin-bottom:10px}
.detail h2{font-size:clamp(20px,2vw,26px);margin:48px 0 16px}
.detail p{color:#374151;font-size:16px}
.detail ul{padding-left:20px;color:#374151}.detail li{margin-bottom:6px}
.ba{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:36px 0}
.ba img,.pair img{width:100%;height:auto;max-height:500px;object-fit:contain;background:#f3f3f1;cursor:zoom-in}
.pair{display:grid !important;grid-template-columns:repeat(2,1fr);gap:16px;margin:32px 0}
.pair figure,.ba figure{margin:0}
.related-row{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.related-row a{display:block;text-decoration:none}
.related-row img{width:100%;height:180px;object-fit:cover}
.related-row span{display:block;margin-top:8px;font-weight:600}
.rel4{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.rel4 a{display:flex;gap:16px;align-items:center;border:1px solid var(--line);padding:12px;border-radius:12px;text-decoration:none;background:#fff}
.rel4 img{width:120px;height:120px;object-fit:cover;flex-shrink:0}
.rel4 strong{font-family:var(--font-title);font-weight:600;font-size:16px;line-height:1.4}
/* portfolio */
.pf-hero{padding:0}.pf-hero.page-hero{padding:96px 0 84px}
.pf-intro{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:72px}
.pf-intro h2{font-size:clamp(22px,2.3vw,32px);margin-bottom:16px;white-space:nowrap}
.pf-intro img{width:100%;height:420px;object-fit:cover}
.about-list{padding-left:0;list-style:none;margin:18px 0 0}.about-list li{padding:9px 0;border-top:1px solid var(--line);font-size:15px}
.pf-list{display:flex;flex-wrap:wrap;gap:56px 2%}
.pf-item{display:block;text-decoration:none;min-width:0}
.pf-item .im{overflow:hidden;border-radius:12px}
.pf-item img{width:100%;height:100%;object-fit:cover;border-radius:12px;transition:transform .5s}
.pf-item:hover img{transform:scale(1.03)}
.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}
.pf-item .tag{margin:14px 0 4px;font-size:13px;color:var(--accent);font-weight:600}
.pf-item h3{font-size:20px;margin-bottom:4px}.pf-item .meta{font-size:14px;color:#666;margin:0}
.pager{display:flex;justify-content:center;gap:8px;margin-top:64px}
.pager span,.pager a{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;text-decoration:none;font-size:14px;color:#000}
.pager .cur{background:#000;color:#fff}
/* closing */
.closing{position:relative;height:650px;background:#333 center/cover no-repeat;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff}
.closing:before{content:"";position:absolute;inset:0;background:rgba(19,19,19,.55)}
.closing .in{position:relative;padding:0 24px}
.closing h2{color:#fff;font-size:clamp(20px,2.7vw,38px);white-space:nowrap;margin-bottom:18px}
.closing p{color:#f1f1f1;margin:0 0 30px;font-size:17px}
.closing .btn-cl{display:inline-block;border:1px solid #fff;color:#fff;padding:14px 46px;border-radius:0;text-decoration:none;font-weight:600;background:transparent}
.closing .btn-cl:hover{background:#fff;color:#000}
/* footer */
footer{background:#fff;color:#000;border-top:1px solid var(--line);padding:56px 0 40px}
.f-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px}
.f-grid h4{font-size:14px;margin:0 0 14px;letter-spacing:.06em}
.f-grid ul{list-style:none;padding:0;margin:0}.f-grid li{margin-bottom:8px;font-size:14px}.f-grid a{text-decoration:none;color:#333}.f-grid a:hover{color:var(--accent)}
.biz{font-size:13.5px;color:#444;line-height:1.9}.biz b{color:#000}
.copy{margin-top:34px;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:#555}
.fbtn{display:inline-block;margin-top:14px;border:1px solid #000;padding:9px 20px;text-decoration:none;font-size:14px;font-weight:600}
/* mobile bar */
.mbar{display:none}
/* lightbox */
.lbx{position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:999;display:none;align-items:center;justify-content:center}
.lbx.on{display:flex}.lbx img{max-width:92vw;max-height:92vh;border-radius:0;cursor:default}
.lbx button{position:absolute;top:50%;background:none;border:0;color:#fff;font-size:44px;cursor:pointer;padding:16px}
.lbx .p{left:8px}.lbx .n{right:8px}
.big-tel{display:block;font-family:var(--font-title);font-size:clamp(32px,6vw,60px);text-decoration:none;margin:18px 0}
.two{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.sm-list{columns:2;padding-left:18px}
@media(max-width:1260px){.c4{grid-template-columns:repeat(2,1fr)}.c4 a{width:100%;height:auto;aspect-ratio:590/396}}
@media(max-width:900px){.svc-list{grid-template-columns:repeat(2,1fr)}.wide,.pf-intro,.two{grid-template-columns:1fr;gap:28px}.wide h2,.pf-intro h2{white-space:normal}.f-grid{grid-template-columns:1fr 1fr}}
@media(max-width:767px){
.section{padding:56px 0}
.top-brand{padding:10px 16px 6px;gap:12px}.top-brand .rule{display:none}.top-brand{justify-content:center}
.nav{gap:18px;justify-content:flex-start;overflow-x:auto;padding:4px 16px 10px}.nav .cta{display:none}
.hero-top{flex-direction:column;align-items:flex-start;gap:14px}.hero h1{font-size:clamp(34px,11vw,60px)}.hero-side p{white-space:normal}
.hero-img{border-radius:14px;height:300px}
.section-title{font-size:22px}.section-title,.closing h2{white-space:normal}
.c4{grid-template-columns:1fr}.c4 .face{display:none}
.process-list{grid-template-columns:1fr 1fr}.process-item{padding-left:16px}.process-item:first-child{padding-left:16px}.process-item:nth-child(2){border-right:none}
.w30,.w68,.w49{width:100%}.w30 .im,.w68 .im,.w49 .im{aspect-ratio:7/6}
.pf-list{gap:36px 0}.svc-list{grid-template-columns:1fr}.ba,.pair,.related-row,.rel4{grid-template-columns:1fr 1fr}.rel4{grid-template-columns:1fr}
.closing{height:520px}.closing p{font-size:15px}
.f-grid{grid-template-columns:1fr}.sm-list{columns:1}
body{padding-bottom:64px}
.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 #ddd;box-shadow:0 -4px 16px rgba(0,0,0,.08)}
.mbar a{display:block;text-align:center;padding:17px 0;font-weight:700;text-decoration:none;font-size:16px;color:#000}
.mbar a:first-child{background:var(--accent);color:#fff}
th,td{padding:10px;font-size:14px}
}