/* JSS산업개발 v4 — 기업 사이트 톤. 흰/오프화이트 바탕, 거의 검정 텍스트, 흙색은 로고·라인·작은 포인트만 */
:root{
  --bg:#FFFFFF; --white:#FFFFFF; --ink:#1A1612; --text:#37302A; --sub:#6E655C; --line:#E2DCD2; --line-2:#CFC7BB;
  --earth:#3B2A1E; --ochre:#B5713A; --sand:#E8DCC8;
  --map-on:#C98A55; --map-off:#ECE7DF; --map-line:#FFFFFF;
  --pad:clamp(20px,4vw,64px); --max:1440px; --gap:clamp(16px,2vw,28px);
  --hd:76px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--hd) + 12px)}
body{font-family:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;background:var(--bg);color:var(--text);font-size:17px;line-height:1.72;word-break:keep-all;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3{color:var(--ink);font-weight:700;letter-spacing:-.03em;line-height:1.18}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.g12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:var(--gap)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;z-index:200;background:var(--white);padding:8px 12px}

/* 링크 밑줄 */
.ul{background-image:linear-gradient(currentColor,currentColor);background-size:0 1px;background-repeat:no-repeat;background-position:0 100%;transition:background-size .25s}
.ul:hover,.ul:focus-visible{background-size:100% 1px}
.more{display:inline-flex;align-items:center;gap:10px;font-weight:600;color:var(--ink);font-size:17px;padding:10px 0;border-bottom:1px solid var(--ink)}
.more::after{content:"→";transition:transform .2s}
.more:hover::after{transform:translateX(4px)}

/* 버튼 */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 28px;font-size:16px;font-weight:600;border:1px solid var(--ink);background:var(--ink);color:var(--white);border-radius:0;cursor:pointer;transition:background .2s,color .2s}
.btn:hover{background:#000}
.btn.line{background:transparent;color:var(--ink)}
.btn.line:hover{background:var(--ink);color:var(--white)}
.btn.inv{background:var(--white);color:var(--ink);border-color:var(--white)}
.btn.inv:hover{background:transparent;color:var(--white)}
.btn.inv-line{background:transparent;color:var(--white);border-color:rgba(255,255,255,.8)}
.btn.inv-line:hover{background:var(--white);color:var(--ink)}

/* 헤더 */
.hd{position:fixed;top:0;left:0;right:0;z-index:50;height:var(--hd);transition:background .25s,border-color .25s,color .25s;border-bottom:1px solid transparent;color:var(--ink);background:var(--white)}
.hd .in{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;max-width:none;padding:0 var(--pad)}
.hd .logo{display:flex;align-items:center;min-height:44px}
.hd .logo img{height:42px;width:auto}
.hd .logo .on-dark{display:none}
.hd.solid{border-color:var(--line)}
.home .hd:not(.solid):not(.open){background:linear-gradient(180deg,rgba(20,16,12,.72) 0%,rgba(20,16,12,.42) 60%,rgba(20,16,12,0) 100%);color:var(--white)}
.home .hd:not(.solid):not(.open)::after{content:"";position:absolute;left:0;right:0;top:100%;height:48px;background:linear-gradient(180deg,rgba(20,16,12,.28),rgba(20,16,12,0));pointer-events:none}
.home .hd:not(.solid):not(.open) .logo img{filter:drop-shadow(0 1px 6px rgba(0,0,0,.35))}
.home .hd:not(.solid):not(.open) .logo .on-dark{display:block}
.home .hd:not(.solid):not(.open) .logo .on-light{display:none}
.nav{display:flex;align-items:center;gap:clamp(20px,2.6vw,44px)}
.nav a{font-size:16px;font-weight:600;padding:8px 0}
.nav a[aria-current="page"]{background-size:100% 1px}
.nav .cta{border:1px solid currentColor;padding:0 20px;min-height:44px;display:inline-flex;align-items:center;background-image:none}
.nav .cta:hover{background:var(--ink);color:var(--white);border-color:var(--ink)}
.home .hd:not(.solid):not(.open) .nav .cta:hover{background:var(--white);color:var(--ink);border-color:var(--white)}
.menu-btn{display:none;width:48px;height:48px;margin-right:-10px;border:0;background:none;cursor:pointer;color:inherit}
.menu-btn span{display:block;width:22px;height:1.5px;margin:6px auto;background:currentColor;transition:transform .2s,opacity .2s}
.hd.open .menu-btn span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.hd.open .menu-btn span:nth-child(2){opacity:0}
.hd.open .menu-btn span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
@media (max-width:1024px){
  :root{--hd:64px}
  .hd .logo img{height:34px}
  .menu-btn{display:block}
  .hd.open{background:var(--white);color:var(--ink);border-color:var(--line)}
  .nav{position:fixed;top:var(--hd);left:0;right:0;bottom:0;background:var(--white);color:var(--ink);flex-direction:column;align-items:stretch;gap:0;padding:12px var(--pad) 40px;overflow-y:auto;opacity:0;visibility:hidden;transition:opacity .2s,visibility .2s}
  .hd.open .nav{opacity:1;visibility:visible}
  .nav a{font-size:24px;font-weight:700;letter-spacing:-.02em;padding:14px 0;border-bottom:1px solid var(--line);background-image:none}
  .nav .cta{margin-top:28px;justify-content:center;min-height:56px;font-size:17px;border:1px solid var(--ink);background:var(--ink);color:var(--white)}
}
body.lock{overflow:hidden}

/* 홈 히어로 */
.hero{position:relative;height:100svh;min-height:600px;max-height:1100px;color:var(--white);overflow:hidden;background:#8d8a84}
.hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:60% 50%}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:62%;background:linear-gradient(0deg,rgba(18,14,10,.62),rgba(18,14,10,0))}
.hero .in{position:absolute;left:0;right:0;bottom:0;z-index:1;padding-bottom:clamp(40px,7vh,88px)}
.hero h1{color:var(--white);font-size:clamp(40px,5.9vw,92px);line-height:1.1;letter-spacing:-.035em;font-weight:700;max-width:15em}
.hero h1 span{display:block}
.hero .acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:clamp(28px,4vh,44px)}
@media (max-width:640px){.hero{height:88svh;min-height:560px}.hero .acts .btn{flex:1 1 140px}}

/* 서브 페이지 머리 */
.ph{padding:calc(var(--hd) + clamp(56px,8vw,120px)) 0 clamp(40px,5vw,72px);background:var(--white);border-bottom:1px solid var(--line)}
.ph h1{font-size:clamp(44px,6.4vw,96px);letter-spacing:-.04em;line-height:1.05;grid-column:1/6}
.ph .lead{grid-column:7/13;align-self:end;font-size:clamp(18px,1.5vw,21px);line-height:1.65;color:var(--text)}
.ph .jump{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:6px 28px;margin-top:clamp(36px,4vw,56px);padding-top:20px;border-top:1px solid var(--line);font-size:16px;font-weight:600;color:var(--ink)}
.ph .jump a{padding:8px 0}
@media (max-width:900px){.ph h1,.ph .lead{grid-column:1/-1}.ph .lead{margin-top:20px}}

/* 섹션 공통 — 좌 제목 4칸 / 우 본문 8칸 */
.sec{padding:clamp(72px,9vw,140px) 0;border-top:1px solid var(--line)}
.sec.white{background:var(--white)}
.sec.flush{border-top:0}
.sp > .t{grid-column:1/5}
.sp > .c{grid-column:5/13}
.sp > .c.narrow{grid-column:6/12}
.sp h2{font-size:clamp(32px,3.7vw,56px)}
.sp .t p{margin-top:20px;color:var(--sub);max-width:22em}
@media (max-width:900px){.sp > .t,.sp > .c,.sp > .c.narrow{grid-column:1/-1}.sp > .c{margin-top:36px}}
.body-l{font-size:clamp(19px,1.6vw,23px);line-height:1.65;color:var(--ink);letter-spacing:-.01em}
.body-l + .body-l{margin-top:1em}

/* 풀블리드 사진 밴드 */
.band{position:relative;margin:0}
.band > img,.band > a > img{background:#d8d3cb}
.band img{width:100%;height:clamp(220px,56vw,860px);object-fit:cover}
.band figcaption{max-width:var(--max);margin:0 auto;padding:14px var(--pad) 0;font-size:15px;color:var(--sub);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.band.short img{height:clamp(200px,40vw,600px)}

/* 사실 표 (dl) */
.facts{border-top:1px solid var(--ink)}
.facts > div{display:grid;grid-template-columns:minmax(120px,3fr) 9fr;gap:var(--gap);padding:20px 0;border-bottom:1px solid var(--line)}
.facts dt{color:var(--sub);font-size:16px}
.facts dd{color:var(--ink);font-size:18px;font-weight:500}
@media (max-width:520px){.facts > div{grid-template-columns:1fr;gap:4px;padding:16px 0}}

/* 사업 목록 행 */
.rows{border-top:1px solid var(--ink)}
.rows a{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr) 40px;gap:var(--gap);align-items:baseline;padding:26px 0;border-bottom:1px solid var(--line);transition:padding .25s}
.rows a strong{font-size:clamp(22px,2vw,30px);font-weight:700;letter-spacing:-.03em;color:var(--ink)}
.rows a span{color:var(--sub);font-size:17px}
.rows a i{font-style:normal;justify-self:end;color:var(--ink);transition:transform .2s}
.rows a:hover strong{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:6px}
.rows a:hover i{transform:translateX(4px)}
@media (max-width:700px){.rows a{grid-template-columns:1fr 28px;gap:4px 12px;padding:20px 0}.rows a span{grid-column:1;grid-row:2}.rows a i{grid-row:1/3;align-self:center}}

/* 매거진 그리드 */
.mag{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gap)}
.mag figure{margin:0;min-width:0}
.mag .ph-img{position:relative;overflow:hidden;background:#dcd6cd}
.mag img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.mag figure:hover img{transform:scale(1.02)}
.mag figcaption{font-size:15px;color:var(--sub);padding-top:12px}
.mag figcaption b{color:var(--ink);font-weight:600}
.s8{grid-column:span 8}.s4{grid-column:span 4}.s6{grid-column:span 6}.s5{grid-column:span 5}.s7{grid-column:span 7}.s12{grid-column:span 12}
.r-wide .ph-img{aspect-ratio:16/10}
.s4 .ph-img{aspect-ratio:31/40}
.s5 .ph-img{aspect-ratio:9/8}
.s4.land .ph-img{aspect-ratio:4/3}
.s6 .ph-img{aspect-ratio:3/2}
.s12 .ph-img{aspect-ratio:21/9}
.mag button.ph-img{display:block;width:100%;border:0;padding:0;cursor:zoom-in}
@media (max-width:900px){.s8,.s4,.s6,.s5,.s7{grid-column:span 6}.s12{grid-column:span 12}.s4 .ph-img,.s5 .ph-img{aspect-ratio:4/3}}
@media (max-width:600px){.s8,.s4,.s6,.s5,.s7,.s12{grid-column:span 12}.s12 .ph-img{aspect-ratio:16/10}}
.mag figure.hide{display:none}

/* 필터 탭(텍스트) */
.tabs{display:flex;flex-wrap:wrap;gap:4px 28px;margin-bottom:clamp(28px,3vw,44px);border-bottom:1px solid var(--line)}
.tabs button{background:none;border:0;min-height:48px;font-size:16px;font-weight:600;color:var(--sub);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}
.tabs button[aria-pressed="true"]{color:var(--ink);border-color:var(--ink)}

/* 사업분야 상세 */
.svc{padding:clamp(64px,8vw,120px) 0;border-top:1px solid var(--line)}
.svc .pic{grid-column:1/-1;margin-bottom:clamp(32px,4vw,56px);background:#dcd6cd}
.svc .pic img{width:100%;aspect-ratio:21/9;object-fit:cover}
.svc h2{grid-column:1/5;font-size:clamp(32px,3.4vw,52px)}
.svc .c{grid-column:5/13}
.svc .c > p{font-size:clamp(18px,1.4vw,20px);color:var(--ink);margin-bottom:28px;max-width:40em}
@media (max-width:900px){.svc h2,.svc .c{grid-column:1/-1}.svc .c{margin-top:24px}.svc .pic img{aspect-ratio:16/10}}

/* 스펙 표 */
.spec{width:100%;border-collapse:collapse;font-size:17px}
.spec caption{text-align:left;font-size:15px;color:var(--sub);padding-bottom:14px}
.spec th,.spec td{text-align:left;vertical-align:top;padding:22px 20px 22px 0;border-bottom:1px solid var(--line)}
.spec thead th{font-size:14px;font-weight:600;color:var(--sub);border-bottom:1px solid var(--ink);padding-top:0;padding-bottom:14px}
.spec tbody th{font-size:clamp(20px,1.7vw,24px);font-weight:700;color:var(--ink);letter-spacing:-.02em;white-space:nowrap}
.spec tbody th small{display:block;font-size:14px;font-weight:500;color:var(--sub);letter-spacing:0;margin-top:4px}
.spec td{color:var(--text)}
.note{margin-top:20px;font-size:15px;color:var(--sub)}
@media (max-width:760px){
  .spec thead{display:none}
  .spec,.spec tbody,.spec tr,.spec th,.spec td{display:block;width:100%}
  .spec tr{padding:18px 0;border-bottom:1px solid var(--line)}
  .spec tbody tr:first-child{border-top:1px solid var(--ink)}
  .spec th,.spec td{border:0;padding:3px 0}
  .spec td[data-h]::before{content:attr(data-h);display:block;font-size:13px;color:var(--sub);margin-top:8px}
}

/* 절차 — 번호 없이 가로 흐름 */
.flow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border-top:1px solid var(--ink)}
.flow li{list-style:none;padding:22px 20px 0 0;position:relative;min-width:0}
.flow li + li{padding-left:20px;border-left:1px solid var(--line)}
.flow h3{font-size:clamp(20px,1.6vw,24px)}
.flow p{margin-top:8px;font-size:16px;color:var(--sub)}
@media (max-width:900px){.flow{grid-template-columns:1fr}.flow li,.flow li + li{padding:18px 0;border-left:0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:140px 1fr;gap:16px}.flow p{margin-top:0}}
@media (max-width:480px){.flow li,.flow li + li{grid-template-columns:1fr;gap:4px}}

/* 지도 */
.kmap{width:100%;max-width:440px;height:auto;display:block}
.kmap .ml{font-size:17px;font-weight:700;fill:var(--ink);stroke:none}
.kmap .ms{font-size:12px;font-weight:700;fill:var(--ink);stroke:none}
.area-g{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:var(--gap);align-items:start}
.area-list{border-top:1px solid var(--ink)}
.area-list div{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:12px;padding:16px 0;border-bottom:1px solid var(--line)}
.area-list dt{font-weight:700;color:var(--ink);font-size:19px}
.area-list dd{color:var(--sub)}
@media (max-width:700px){.area-g{grid-template-columns:1fr}.kmap{max-width:360px;margin:0 auto}}

/* 문의 CTA (홈·하단) */
.cta-sec h2{font-size:clamp(36px,4.6vw,72px);letter-spacing:-.035em}
.cta-sec .acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

/* FAQ */
.faq details{border-bottom:1px solid var(--line)}
.faq details:first-child{border-top:1px solid var(--ink)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;align-items:center;min-height:64px;padding:18px 0;font-size:clamp(18px,1.4vw,20px);font-weight:600;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:14px;height:14px;background:linear-gradient(var(--ink),var(--ink)) center/14px 1.5px no-repeat,linear-gradient(var(--ink),var(--ink)) center/1.5px 14px no-repeat;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 0 24px;color:var(--text);max-width:44em}

/* 폼 */
.form{display:grid;gap:22px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
.form label,.form .lbl{display:grid;gap:8px;font-size:15px;font-weight:600;color:var(--ink);min-width:0}
.form input:not([type=checkbox]),.form select,.form textarea{width:100%;min-width:0;min-height:52px;padding:12px 14px;border:1px solid var(--line-2);background:var(--white);border-radius:0;font-size:16px;color:var(--ink);font-weight:400;appearance:none;-webkit-appearance:none}
.form select{background-image:linear-gradient(45deg,transparent 50%,var(--ink) 50%),linear-gradient(135deg,var(--ink) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 15px) 50%;background-size:5px 5px;background-repeat:no-repeat;padding-right:40px}
.form textarea{min-height:140px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:1px solid var(--ink);border-color:var(--ink)}
.form .opt{display:flex;flex-wrap:wrap;gap:8px}
.form .opt label{display:inline-flex;grid-auto-flow:column;align-items:center;gap:10px;min-height:48px;padding:0 16px;border:1px solid var(--line-2);background:var(--white);font-weight:500;cursor:pointer}
.form .opt input{width:18px;height:18px;accent-color:var(--ink)}
.form .opt label:has(input:checked){border-color:var(--ink)}
.form .agree{display:flex;gap:10px;align-items:flex-start;font-weight:500;color:var(--text);font-size:15px}
.form .agree input{width:20px;height:20px;margin-top:3px;accent-color:var(--ink);flex:none}
.form .foot{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center}
.form .foot small{color:var(--sub);font-size:14px}
.form .btn[disabled]{opacity:.45;cursor:not-allowed}
@media (max-width:600px){.form .row{grid-template-columns:1fr}}
.quiet{border-top:1px solid var(--ink)}
.quiet div{display:grid;grid-template-columns:110px 1fr;gap:12px;padding:18px 0;border-bottom:1px solid var(--line)}
.quiet dt{color:var(--sub)}
.quiet dd{color:var(--ink);font-weight:500}
.quiet dd.pending{color:var(--sub);font-weight:400}

/* 라이트박스 */
dialog.lb{border:0;padding:0;background:transparent;max-width:min(1500px,94vw);max-height:94vh;margin:auto;overflow:visible}
dialog.lb::backdrop{background:rgba(250,248,244,.97)}
dialog.lb img{max-height:84vh;width:auto;margin:0 auto}
dialog.lb p{text-align:center;margin-top:12px;color:var(--ink);font-weight:600}
dialog.lb .x{position:fixed;top:14px;right:14px;width:48px;height:48px;border:1px solid var(--ink);background:var(--white);color:var(--ink);font-size:22px;cursor:pointer}

/* 푸터 */
.ft{background:var(--ink);color:#BDB4A8;padding:clamp(56px,6vw,88px) 0 40px;font-size:15px}
.ft .top{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gap);align-items:start}
.ft .brand{grid-column:1/5}
.ft .brand img{height:40px;width:auto}
.ft .brand p{margin-top:20px;max-width:24em}
.ft nav{grid-column:6/9;display:grid;gap:6px}
.ft nav a{color:#E8E2D9;padding:6px 0;width:max-content}
.ft .info{grid-column:9/13}
.ft .info dl{display:grid;grid-template-columns:auto 1fr;gap:6px 18px}
.ft .info dt{color:#8F877C}
.ft .bottom{margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#8F877C}
@media (max-width:900px){.ft .brand,.ft nav,.ft .info{grid-column:1/-1}.ft nav{grid-template-columns:repeat(2,max-content);column-gap:40px;margin-top:8px}}

/* 모바일 하단 문의 바 — 얇게 */
.mbar{display:none}
@media (max-width:768px){
  .mbar{display:grid;grid-template-columns:1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:40;background:var(--white);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom);transition:transform .2s}
  .mbar a{min-height:52px;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:600;color:var(--ink)}
  .mbar a + a{border-left:1px solid var(--line)}
  .mbar a.pri{background:var(--ink);color:var(--white)}
  body{padding-bottom:calc(52px + env(safe-area-inset-bottom))}
  body.lock .mbar{transform:translateY(110%)}
}

.band figcaption a{display:inline-flex;align-items:center;min-height:44px}
.band figcaption{align-items:center}