:root{
  --accent:#3C3C3C; --accent-soft:#ECECEC; --accent-dark:#242424;
  --btn-text:#FFFFFF; --footer:#000000; --footer-ink:#F2F2F0; --footer-desc:#B9B7B2;
  --bar:#EBECEE; --ink:#14120F; --bg:#FFFFFF; --desc:#5C6066;
  --hero-tint:#F4F5F6; --line:#E7E7E4;
  --apt-ink:#13130A; --apt-yellow:#FEEB8F;
  --font-body:"Pretendard","Pretendard Variable",-apple-system,BlinkMacSystemFont,sans-serif;
  --font-title:"Noto Serif KR","Pretendard",serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-body);color:var(--ink);background:var(--bg);line-height:1.7;word-break:keep-all;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,.sec-title,.body-h{font-family:var(--font-title);font-weight:700;letter-spacing:-.01em;line-height:1.32}
.hero h1,.page-hero h1,.apt-hero h1{font-family:var(--font-title);font-weight:700}
.logo .l2{font-family:var(--font-title)}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.wide{max-width:1280px;margin:0 auto;padding:0 24px}
section{position:relative}
.sec-pad{padding:88px 0}
.eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--accent);margin-bottom:14px}
.eyebrow svg{flex-shrink:0}
.sec-title{font-size:clamp(26px,3.4vw,38px);margin-bottom:16px}
.sec-desc{color:var(--desc);font-size:16px;max-width:760px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font-body);font-weight:600;font-size:15px;padding:13px 26px;border-radius:4px;cursor:pointer;border:1.5px solid transparent;transition:.2s}
.btn-primary{background:var(--accent);color:var(--btn-text)}
.btn-primary:hover{background:var(--accent-dark)}
.btn-ghost{background:transparent;border-color:var(--accent);color:var(--accent)}
.btn-ghost:hover{background:var(--accent-soft)}

/* ===== B-22 header : 흰 배경 + 검정 글, 스크롤시 그림자 ===== */
.hdr{position:fixed;top:0;left:0;right:0;z-index:1000;background:#FFFFFF;color:#000;border-bottom:1px solid #ECECEC;transition:box-shadow .3s ease}
.hdr .bar{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:inline-flex;flex-direction:column;line-height:1.1;gap:1px;font-weight:800;letter-spacing:-.02em}
.logo .l1{font-size:12px;font-weight:600;letter-spacing:.02em;opacity:.82}
.logo .l1 b{color:var(--accent)}
.logo .l2{font-size:20px;font-weight:800}
.nav{display:flex;align-items:center;gap:28px}
.nav a{font-size:15px;font-weight:600;opacity:.92}
.nav a:hover{opacity:1}
.nav .btn{padding:10px 20px}
.hdr.scrolled{box-shadow:0 1px 16px rgba(0,0,0,.06);border-bottom:1px solid #E5E7EB}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:24px;height:2px;background:currentColor;display:block;transition:.2s}
.mnav{display:none}
.nav .has-drop{position:relative;height:72px;display:flex;align-items:center}
.nav .has-drop .drop-top{font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:5px;cursor:pointer;opacity:.92}
.nav .has-drop:hover .drop-top{opacity:1}
.nav .has-drop .car{font-size:10px;transition:transform .2s}
.nav .has-drop:hover .car,.nav .has-drop:focus-within .car{transform:rotate(180deg)}
.nav .has-drop .drop{position:absolute;top:100%;left:50%;transform:translateX(-50%);min-width:200px;background:#fff;border:1px solid #ECECEC;box-shadow:0 14px 32px rgba(0,0,0,.12);border-radius:10px;padding:8px 0;display:none;z-index:1100}
.nav .has-drop:hover .drop,.nav .has-drop:focus-within .drop{display:block}
.nav .has-drop .drop a{display:block;padding:9px 20px;font-size:14px;font-weight:500;white-space:nowrap;opacity:1}
.nav .has-drop .drop a:hover{background:var(--accent-soft);color:var(--accent)}
.macc-top{width:100%;text-align:left;background:none;border:0;padding:12px 0;font-size:16px;font-weight:600;color:#111;border-bottom:1px solid #f2f2f2;display:flex;justify-content:space-between;align-items:center;font-family:var(--font-body);cursor:pointer}
.macc-top .pl{color:var(--accent);font-weight:700}
.macc-list{display:none;padding:2px 0 8px 12px}
.macc.open .macc-list{display:block}
.macc-list a{display:block;padding:9px 0;font-size:15px;font-weight:500;color:#333;border-bottom:1px solid #f6f6f6}
.fdrop .fdrop-top{display:flex;align-items:center;gap:8px;margin-bottom:0;cursor:pointer}
.fdrop .fdrop-btn{background:none;border:0;color:inherit;cursor:pointer;padding:0;display:inline-flex;align-items:center}
.fdrop .car{font-size:12px;transition:transform .25s}
.fdrop .fdrop-list{list-style:none;margin-top:0;max-height:0;overflow:hidden;opacity:0;transition:max-height .3s ease,opacity .25s ease,margin-top .25s ease}
.fdrop:hover .fdrop-list,.fdrop:focus-within .fdrop-list,.fdrop.open .fdrop-list{max-height:520px;opacity:1;margin-top:14px}
.fdrop:hover .car,.fdrop:focus-within .car,.fdrop.open .car{transform:rotate(180deg)}

/* ===== apt-variant 메인 히어로: 흰바탕 + 큰 검정 타이포 + 풀폭 실사(오버레이 없음) ===== */
.apt-hero{padding:128px 0 0;background:#fff}
.apt-hero .wrap{max-width:980px;text-align:center;padding:0 24px 46px}
.apt-hero .eyebrow{justify-content:center}
.apt-hero h1{font-size:clamp(32px,5.2vw,58px);color:var(--apt-ink);line-height:1.28;margin-bottom:20px}
.apt-hero p{font-size:17px;color:var(--desc);max-width:640px;margin:0 auto 30px}
.apt-hero .cta-row{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.apt-hero .cta-row .btn{height:50px;padding:0 28px}
.apt-photo{width:100%;height:min(62vw,560px);min-height:320px;overflow:hidden}
.apt-photo img{width:100%;height:100%;object-fit:cover;display:block}

/* ===== apt 스플릿 소개 ===== */
.apt-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.apt-split .tx .eyebrow{margin-bottom:16px}
.apt-split .tx h2{font-size:clamp(24px,3vw,34px);margin-bottom:18px;color:var(--apt-ink)}
.apt-split .tx p{color:var(--desc);font-size:16px;margin-bottom:14px}
.apt-split .im img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:2px}

/* ===== apt 시공사례 가로 캐러셀 ===== */
.apt-carousel{display:flex;gap:18px;overflow-x:auto;padding-bottom:10px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.apt-carousel::-webkit-scrollbar{height:6px}
.apt-carousel::-webkit-scrollbar-thumb{background:#ddd;border-radius:6px}
.apt-carousel .cc-card{flex:0 0 300px;scroll-snap-align:start;display:block}
.apt-carousel .cc-card .im{aspect-ratio:4/3;overflow:hidden;border-radius:2px}
.apt-carousel .cc-card img{width:100%;height:100%;object-fit:cover;transition:.5s}
.apt-carousel .cc-card:hover img{transform:scale(1.05)}
.apt-carousel .cc-card .ct{margin-top:12px;font-size:16px;font-weight:700;color:var(--apt-ink)}
.apt-carousel .cc-card .cs{margin-top:4px;font-size:13px;color:var(--desc)}

/* ===== apt 서비스 아이콘 4열 (section_variant 9 참고) ===== */
.apt-svc{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#E5E5E2;border:1px solid #E5E5E2}
.apt-svc-item{background:#fff;padding:34px 24px;text-align:center}
.apt-svc-item .ic{width:44px;height:44px;margin:0 auto 16px;color:var(--accent)}
.apt-svc-item .ic svg{width:100%;height:100%;display:block}
.apt-svc-item h3{font-size:16px;margin-bottom:8px}
.apt-svc-item p{font-size:13.5px;color:var(--desc)}

/* ===== info table (구성/절차 표) ===== */
.info-table{width:100%;border-collapse:collapse;margin-top:24px;font-size:14.5px}
.info-table th,.info-table td{border:1px solid #E3E4E2;padding:13px 16px;text-align:left}
.info-table th{background:#F4F3EC;font-weight:700;color:var(--ink)}
.info-table td{color:var(--desc)}
@media(max-width:640px){.info-table{font-size:13px}.info-table th,.info-table td{padding:10px 10px}}

/* ===== #cases 디자인1: 4장 2x2 590x396 호버 ===== */
.cases-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.case-card{position:relative;border-radius:4px;overflow:hidden;aspect-ratio:590/396;display:block;background:#111}
.case-card img{width:100%;height:100%;object-fit:cover;transition:.5s}
.case-card:hover img{transform:scale(1.06)}
.case-card .cap{position:absolute;left:0;right:0;bottom:0;padding:22px;background:linear-gradient(180deg,transparent,rgba(0,0,0,.72));color:#fff}
.case-card .cap h3{font-size:20px}

/* ===== about ===== */
.about-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.about-grid .im img{border-radius:2px;width:100%;aspect-ratio:4/3;object-fit:cover}
.about-list{margin-top:22px;display:grid;gap:14px}
.about-list li{list-style:none;padding-left:26px;position:relative;color:var(--desc)}
.about-list li::before{content:"+";position:absolute;left:0;color:var(--accent);font-weight:800}

/* ===== FAQ ===== */
.faq-item{border-bottom:1px solid #E7E7E4}
.faq-q{width:100%;text-align:left;background:none;border:0;padding:22px 0;font-size:17px;font-weight:700;cursor:pointer;display:flex;justify-content:space-between;gap:16px;color:var(--ink);font-family:var(--font-body)}
.faq-q .pm{color:var(--accent);flex:0 0 auto;transition:.2s}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 0 22px;color:var(--desc);font-size:15px}
.faq-item.open .faq-a{max-height:420px}
.faq-item.open .pm{transform:rotate(45deg)}

/* ===== PROCESS 4열 ===== */
.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}
.process-item p{font-size:13.5px;color:#5B6169;line-height:1.65;margin:0}

/* ===== closing B-25 : 검정 바탐 apt ===== */
.closing{position:relative;height:650px;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;overflow:hidden}
.closing .bg{position:absolute;inset:0}
.closing .bg img{width:100%;height:100%;object-fit:cover}
.closing .bg::after{content:"";position:absolute;inset:0;background:rgba(19,19,19,.55)}
.closing .in{position:relative;z-index:2;padding:0 24px;max-width:760px}
.closing h2{font-size:clamp(22px,3.2vw,36px);margin-bottom:18px;color:#fff;white-space:nowrap}
.closing .q{font-size:clamp(15px,1.8vw,18px);opacity:.92;margin-bottom:28px}
.closing .cbtn{display:inline-block;border:1px solid rgba(255,255,255,.9);color:#fff;padding:14px 40px;border-radius:0;font-weight:600;font-size:15px}
.closing .cbtn:hover{background:rgba(255,255,255,.12)}
@media(max-width:640px){.closing h2{white-space:normal;font-size:24px}}

/* ===== footer : apt 검정 바탐 ===== */
footer{background:var(--footer);color:var(--footer-ink)}
footer .grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding:64px 0 40px}
footer .logo{color:#fff;margin-bottom:16px}
footer .logo .l1{opacity:.7;color:#fff}
footer .logo .l1 b{color:var(--apt-yellow)}
footer .logo .l2{color:#fff}
footer p,footer li{color:var(--footer-desc);font-size:14px;line-height:1.9;list-style:none}
footer h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.02em}
footer a:hover{color:var(--apt-yellow)}
footer .biz{font-size:13px;color:var(--footer-desc);margin-top:8px}
footer .fbtns{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
footer .fbtns .btn-primary{background:var(--apt-yellow);color:#13130A}
footer .fbtns .btn-primary:hover{background:#F5DE78}
footer .fbtns .btn-ghost{border-color:#555;color:#eee}
footer .copy{border-top:1px solid #2A2A2A;padding:20px 0;font-size:13px;color:var(--footer-desc);text-align:center}

/* ===== page hero (서브 상단) ===== */
.page-hero{position:relative;min-height:44vh;display:flex;align-items:center;color:#fff;overflow:hidden;margin-top:0}
.page-hero .bg{position:absolute;inset:0}
.page-hero .bg img{width:100%;height:100%;object-fit:cover;filter:blur(1px)}
.page-hero .bg::after{content:"";position:absolute;inset:0;background:rgba(19,19,19,.58)}
.page-hero .in{position:relative;z-index:2}
.page-hero .crumb{font-size:13px;opacity:.85;margin-bottom:12px}
.page-hero h1{font-size:clamp(28px,4.4vw,46px)}
.page-hero p{margin-top:12px;opacity:.92;max-width:640px}

/* ===== detail body (550x410 top + text) ===== */
.body-wrap{max-width:820px;margin:0 auto;padding:64px 24px}
.body-top-img{display:block;margin:0 auto;width:auto;height:auto;max-width:min(100%,550px);max-height:500px;object-fit:contain;border-radius:12px}
@media(max-width:640px){.body-top-img{max-width:100%;max-height:76vh}}
.body-label{font-size:11px;color:#9a9a9a;font-weight:700;letter-spacing:.08em;margin:26px 0 8px}
.body-h{font-size:clamp(22px,3vw,28px);margin-bottom:18px}
.body-block h3{font-size:19px;margin:30px 0 10px;color:var(--ink)}
.body-block p{color:var(--desc);font-size:16px;margin-bottom:14px}
.points{list-style:none;margin:24px 0;display:grid;gap:10px}
.points li{padding-left:24px;position:relative;color:#3a3a3a}
.points li::before{content:"#";position:absolute;left:0;color:var(--accent);font-weight:800}
.gal-row{display:grid !important;grid-template-columns:1fr 1fr;gap:14px;margin:26px 0}
.gal-row figure{margin:0}
.gal-row img{display:block;width:100%;height:auto;border-radius:12px}
.gal-row figcaption{text-align:center;font-size:13px;color:#6a6a6a;margin-top:8px;font-weight:600}
.related-row{display:grid !important;grid-template-columns:1fr 1fr;gap:14px;margin-top:20px}
.related-row a{display:block}
.related-row img{width:100%;height:180px;object-fit:cover;border-radius:12px}
.related-row .rt{font-size:14px;font-weight:700;margin-top:8px;color:var(--ink)}
.prevnext{display:flex;justify-content:space-between;margin-top:40px;gap:16px;flex-wrap:wrap}
.prevnext a{font-size:14px;font-weight:600;color:var(--accent)}

/* ===== portfolio apt-portfolio (list_variant=4) ===== */
.pf-filter{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:32px}
.pf-filter button{border:1px solid #DEDEDA;background:#fff;padding:9px 18px;border-radius:999px;font-size:13.5px;font-weight:600;cursor:pointer;color:#555}
.pf-filter button.active{background:var(--apt-ink);color:#fff;border-color:var(--apt-ink)}
.pf-list{display:grid;grid-template-columns:repeat(3,1fr);gap:28px 22px}
.pf-item{display:block}
.pf-item .im{overflow:hidden;border-radius:2px}
.pf-item img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:.5s}
.pf-item:hover img{transform:scale(1.05)}
.pf-item .pt{margin-top:14px;font-size:16px;font-weight:700}
.pf-item .ps{font-size:13px;color:var(--desc);margin-top:3px}
.pf-intro{display:grid;grid-template-columns:1.2fr 1fr;gap:28px 22px;margin-bottom:56px;align-items:center}
.pf-intro .im img{aspect-ratio:7/6;border-radius:2px;object-fit:cover;width:100%}
.pf-intro .about-list{margin-top:18px}

/* ===== region/category cards ===== */
.mini-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.mini-card{border:1px solid #ECECEA;border-radius:4px;overflow:hidden;background:#fff;transition:.2s;display:block;padding:20px 18px}
.mini-card:hover{box-shadow:0 12px 28px rgba(0,0,0,.08);transform:translateY(-3px);border-color:var(--accent-soft)}
.mini-card h3{font-size:16px;margin-bottom:4px}
.mini-card p{font-size:13px;color:var(--desc)}
.link-cols{columns:4;column-gap:20px}
.link-cols a{display:block;padding:7px 0;font-size:14px;color:#444;break-inside:avoid}
.link-cols a:hover{color:var(--accent)}

/* ===== B-23 bottom bar ===== */
.botbar{position:fixed;left:0;right:0;bottom:0;z-index:900;background:var(--bar);border-top:1px solid #E5E7EB;box-shadow:0 -6px 22px rgba(0,0,0,.08);transform:translateY(100%);transition:transform .3s ease}
.botbar.show{transform:translateY(0)}
.botbar .in{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 24px;max-width:1200px;margin:0 auto}
.botbar .msg{font-size:15px;font-weight:700;color:var(--ink)}
.botbar .btn{min-height:46px}
.mbar{display:none}

@media(max-width:960px){
  .apt-split{grid-template-columns:1fr}
  .apt-svc{grid-template-columns:repeat(2,1fr)}
  .pf-list{grid-template-columns:repeat(2,1fr)}
  .pf-intro{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr}
  .mini-grid{grid-template-columns:repeat(2,1fr)}
  footer .grid{grid-template-columns:1fr 1fr}
  .link-cols{columns:2}
}
@media(max-width:767px){
  .nav{display:none}
  .burger{display:flex}
  .hdr .bar{height:64px}
  .mnav{position:fixed;top:64px;left:0;right:0;background:#fff;border-bottom:1px solid #eee;padding:14px 24px;box-shadow:0 10px 24px rgba(0,0,0,.08);z-index:999;max-height:calc(100vh - 64px);overflow-y:auto}
  .mnav.open{display:block}
  .mnav a{display:block;padding:12px 0;font-size:16px;font-weight:600;color:#111;border-bottom:1px solid #f2f2f2}
  .cases-grid{grid-template-columns:1fr}
  .apt-carousel .cc-card{flex-basis:78vw}
  .mini-grid{grid-template-columns:1fr}
  .link-cols{columns:2}
  .sec-pad{padding:56px 0}
  .botbar{display:none !important}
  .mbar{display:grid;grid-template-columns:1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:950;box-shadow:0 -4px 18px rgba(0,0,0,.12)}
  .mbar a{padding:15px 0;text-align:center;font-size:15px;font-weight:700}
  .mbar .a1{background:var(--accent);color:#fff}
  .mbar .a2{background:#fff;color:var(--ink);border-top:1px solid #eee}
  body{padding-bottom:54px}
  .apt-hero{padding:104px 0 0}
  .apt-hero .wrap{padding:0 20px 32px}
  footer .grid{grid-template-columns:1fr;gap:28px}
  .prevnext{flex-direction:column}
  .process-list{grid-template-columns:1fr 1fr}
  .process-item{border-bottom:1px solid #E0E0DC;padding:20px 16px}
}
.oneline{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media(max-width:767px){.oneline{white-space:normal}}