/* =========================================================
   신우광학 — 스타일 (Nikon 팔레트: Yellow #FFE100 / Black / White)
   색상 변경은 :root 변수에서
   ========================================================= */
:root{--yellow:#FFE100;--black:#000;--ink:#111;--mute:#555;--rule:#ddd;--bg2:#f5f5f5;--w:1200px}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Pretendard,'Noto Sans KR',sans-serif;color:var(--ink);line-height:1.7;word-break:keep-all;background:#fff;font-size:16px}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}ul,ol{list-style:none}table{border-collapse:collapse}
.wrap{max-width:var(--w);margin:0 auto;padding:0 24px}.narrow{max-width:860px}.center{text-align:center}
h1{font-size:40px;line-height:1.25;font-weight:700;letter-spacing:-.01em}
h2{font-size:28px;line-height:1.4;font-weight:700;margin-bottom:24px;letter-spacing:-.01em}
h3,.h3{font-size:18px;font-weight:700;margin-bottom:8px}
p{margin-bottom:12px}
.eyebrow,.eng{font-size:13px;font-weight:700;color:var(--mute);margin-bottom:10px;letter-spacing:.04em}
.eng em{font-style:normal;color:var(--ink)}
.stitle{color:var(--mute);margin:-4px 0 32px}

/* 헤더 */
.topbar{background:var(--black);color:#ccc;font-size:12px}
.topbar .wrap{display:flex;justify-content:flex-end;gap:20px;height:32px;align-items:center}
.hd{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--rule)}
.hd-in{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo img.logo-img{height:38px;width:auto}
.gnb>ul{display:flex;gap:44px}.gnb li{position:relative}
.gnb>ul>li>a{display:block;font-weight:600;font-size:16px;padding:24px 0;border-bottom:3px solid transparent}
.gnb>ul>li:hover>a{border-bottom-color:var(--yellow)}
.sub{position:absolute;top:100%;left:0;min-width:170px;background:#fff;border:1px solid var(--rule);display:none}
.gnb li:hover .sub{display:block}.sub a{display:block;padding:10px 16px;font-size:14px;border-bottom:1px solid var(--rule)}.sub li:last-child a{border:0}.sub a:hover{background:var(--bg2)}
.burger{display:none;background:none;border:0;width:28px;cursor:pointer}.burger i{display:block;height:2px;background:#000;margin:6px 0}

/* 버튼 */
.btns{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-block;padding:12px 26px;font-weight:600;font-size:15px;border:1px solid var(--black)}
.btn.pri{background:var(--yellow);border-color:var(--yellow);color:#000}.btn.pri:hover{background:#000;border-color:#000;color:#fff}
.btn.ghost{border-color:#fff;color:#fff}.btn.ghost:hover{background:#fff;color:#000}
.btn.line:hover{background:#000;color:#fff}

/* 메인 비주얼 */
.hero{position:relative;color:#fff;background:#000}
.hero-bg{position:absolute;inset:0;background:url(/assets/img/site/main_visual01.jpg) center/cover no-repeat}
.hero-in{position:relative;padding:120px 24px}
.hero-in>*{max-width:560px}
.hero .eyebrow{color:var(--yellow)}.hero h1 em{font-style:normal}
.hero .lead{font-size:17px;color:#eee;margin-top:18px}
.stats{border-bottom:1px solid var(--rule)}
.stats-in.quick{display:grid;grid-template-columns:repeat(4,1fr)}
.stats-in.quick a{padding:22px 24px;border-left:1px solid var(--rule);font-weight:600}.stats-in.quick a:last-child{border-right:1px solid var(--rule)}
.stats-in.quick a:hover{background:var(--bg2)}.stats-in.quick b{font-weight:600}

/* 섹션 */
.sec{padding:80px 0}.sec.alt{background:var(--bg2)}
.sec-hd{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:28px;border-bottom:1px solid #000;padding-bottom:14px}.sec-hd h2{margin:0}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--rule);border-left:1px solid var(--rule)}
.pcard{display:block;border-right:1px solid var(--rule);border-bottom:1px solid var(--rule);background:#fff}
.pcard:hover h3{text-decoration:underline}
.pimg{aspect-ratio:645/415;background:#fff;overflow:hidden}.pimg img{width:100%;height:100%;object-fit:contain;padding:16px}
.pimg.big{border:1px solid var(--rule);aspect-ratio:4/3}
.pbody{padding:16px 20px 22px;border-top:1px solid var(--rule)}.pbody h3{font-size:18px;margin:4px 0 0}
.tag{display:inline-block;font-size:12px;font-weight:600;color:var(--mute)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.biz li{padding:16px 0;border-bottom:1px solid var(--rule)}.biz li:first-child{border-top:1px solid #000}
.catlinks{display:grid;grid-template-columns:repeat(4,1fr);margin-top:32px;border-left:1px solid var(--rule)}
.catlinks a{padding:18px 20px;border:1px solid var(--rule);border-left:0;font-weight:600;font-size:15px}.catlinks a:hover{background:var(--bg2)}
.catlinks b{display:block;font-size:12px;color:var(--mute);font-weight:600}
.nikonlogo{height:56px;width:auto;margin-bottom:20px}
.cta{border-top:4px solid var(--yellow);background:#000;color:#fff;padding:48px 0}
.cta-in{display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}.cta h2{margin:0}.cta .eyebrow{color:#aaa}
.cta-info{display:flex;flex-direction:column;gap:2px;font-size:16px}

/* 서브 상단 */
.subhero{border-bottom:1px solid var(--rule);padding:56px 0 40px}
.subhero h1{font-size:34px}.subhero .eyebrow{margin-bottom:6px}.crumb{color:var(--mute);margin-top:8px}
.tabs{display:flex;border-bottom:1px solid var(--rule);overflow-x:auto}
.tabs a{padding:16px 22px 14px;font-weight:600;color:var(--mute);border-bottom:3px solid transparent;white-space:nowrap;font-size:15px}
.tabs a.on{color:#000;border-bottom-color:var(--yellow)}.tabs a:hover{color:#000}

/* 인사말 */
.check li{padding:8px 0 8px 18px;position:relative;border-bottom:1px solid var(--rule)}.check li:before{content:"";position:absolute;left:0;top:19px;width:8px;height:2px;background:#000}
.sign{text-align:right;margin-top:30px}

/* 연혁 */
.hist-table{width:100%;border-top:2px solid #000;margin-top:8px}
.hist-table th,.hist-table td{border-bottom:1px solid var(--rule);padding:24px 0;vertical-align:top;text-align:left}
.hist-table th{width:240px;font-weight:400;color:var(--mute);font-size:16px}.hist-table th b{font-size:24px;color:#000;font-weight:700;margin-right:6px;border-left:4px solid var(--yellow);padding-left:12px}
.hist-table li{font-size:17px;font-weight:500}.hist-table img{margin-top:16px;max-width:552px;width:100%}

/* 업무내역 */
.biz-wrap{display:grid;grid-template-columns:520px 1fr;gap:56px;align-items:start;margin-top:8px}
.numlist{border-top:2px solid #000}.numlist li{display:grid;grid-template-columns:56px 1fr;padding:18px 0;border-bottom:1px solid var(--rule)}
.numlist .no{font-weight:700;color:#000;border-left:4px solid var(--yellow);padding-left:10px;line-height:1.6}.numlist p{margin:0;font-size:17px}

/* 오시는길 */
.map-wrap{display:grid;grid-template-columns:1.6fr 1fr;gap:40px;align-items:start}
.kmap{border:1px solid var(--rule);min-height:460px}
.kmap .root_daum_roughmap{width:100%!important}.kmap .root_daum_roughmap .wrap_map{height:460px!important}.kmap .root_daum_roughmap .cont{display:none}
.map-info h2{font-size:22px;padding-bottom:12px;border-bottom:2px solid #000;margin-bottom:0}
.info{width:100%}.info th,.info td{padding:16px 10px 16px 0;border-bottom:1px solid var(--rule);text-align:left;vertical-align:top;font-size:15px}.info th{width:80px;font-weight:700}.info a:hover{text-decoration:underline}
.map iframe{width:100%;height:420px;border:0}

/* 게시판 */
.total{font-size:14px;color:var(--mute);margin-bottom:10px}
.board{width:100%;border-top:2px solid #000;text-align:center;font-size:15px}
.board th{padding:14px 10px;border-bottom:1px solid var(--rule);font-weight:600}
.board td{padding:15px 10px;border-bottom:1px solid var(--rule);color:var(--mute)}
.board .tit{text-align:left;color:var(--ink)}.board .tit a:hover{text-decoration:underline}.empty{padding:60px!important}
.pager{text-align:center;margin-top:30px}.pager a{display:inline-block;width:34px;height:34px;line-height:34px;border:1px solid var(--rule)}.pager .on{background:#000;color:#fff;border-color:#000}
.chips{display:flex;flex-wrap:wrap;margin:0 0 30px;border-left:1px solid var(--rule)}
.chips a{padding:8px 16px;border:1px solid var(--rule);border-left:0;font-size:14px}.chips a:hover{background:var(--bg2)}
.cat{font-size:20px;margin:48px 0 16px;padding-left:12px;border-left:4px solid var(--yellow)}.cat:first-of-type{margin-top:0}
.post header{border-top:2px solid #000;border-bottom:1px solid var(--rule);padding:22px 0}.post header h2{margin:0 0 4px;font-size:22px}
.post header p{color:var(--mute);font-size:14px;margin:0}.post header span{margin-right:12px}
.post-body{padding:32px 0;border-bottom:1px solid var(--rule)}.post-body p{margin:0 0 6px}
.post-body img{margin:16px 0;max-width:100%;height:auto}.post-body table{width:auto!important}.post-body td{padding:2px 0;white-space:normal}
.post-body.prod{padding:12px 0 24px}
.split.top{align-items:start}
.files{margin:20px 0;border:1px solid var(--rule);padding:16px 20px}.files h4{font-size:14px;margin-bottom:6px}.files li{padding:3px 0}.files a:hover strong{text-decoration:underline}.files span{color:var(--mute);font-size:14px}
.nb{display:flex;justify-content:space-between;gap:20px;margin-top:40px;padding-top:16px;border-top:1px solid var(--rule);font-size:15px;color:var(--mute)}.nb a:hover{color:#000;text-decoration:underline}.nb span:first-child{font-weight:700;color:#000;margin-right:6px}
.quote-box{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}

/* 푸터 */
.ft{background:var(--bg2);border-top:1px solid var(--rule);color:var(--mute);font-size:13px;padding:48px 0 0}
.ft-in{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
.ft-logo{height:32px!important;width:auto;margin-bottom:16px}
.ft h4{color:#000;font-size:14px;margin-bottom:6px}.ft p{margin-bottom:4px}.ft .big{display:block;font-size:22px;color:#000;font-weight:700}
.copy{border-top:1px solid var(--rule);margin-top:36px;padding:18px 24px;font-size:12px}

/* 반응형 */
@media(max-width:1000px){.biz-wrap,.map-wrap{grid-template-columns:1fr;gap:32px}}
@media(max-width:900px){
 .burger{display:block}.gnb{position:fixed;top:104px;left:0;right:0;bottom:0;background:#fff;display:none;overflow:auto;padding:0 24px}
 .nav-open .gnb{display:block}.gnb>ul{flex-direction:column;gap:0}.gnb>ul>li>a{padding:14px 0;border-bottom:1px solid var(--rule)}
 .sub{position:static;display:block;border:0;padding:0 0 8px 12px}.sub a{border:0;padding:6px 0}
 .grid3{grid-template-columns:1fr 1fr}.split{grid-template-columns:1fr;gap:36px}
 .stats-in.quick,.catlinks{grid-template-columns:1fr 1fr}.stats-in.quick a{border-bottom:1px solid var(--rule)}
 .hero-in{padding:80px 24px}.sec{padding:56px 0}h1{font-size:30px}h2{font-size:23px}.subhero h1{font-size:28px}
 .logo img.logo-img{height:30px}}
@media(max-width:600px){
 .grid3{grid-template-columns:1fr}
 .hist-table,.hist-table tbody,.hist-table tr,.hist-table th,.hist-table td{display:block;width:100%}
 .hist-table th{border-bottom:0;padding:20px 0 6px}.hist-table td{padding:0 0 20px}
 .board th:nth-child(3),.board td:nth-child(3),.board th:nth-child(4),.board td:nth-child(4){display:none}
 .topbar .wrap{justify-content:center}}
/* 견적문의 폼 */
.req-note{font-size:14px;color:var(--mute)}.req-note b,.qtable b{color:#c00;margin-right:2px}
.qtable{width:100%;border-top:2px solid #000;margin-top:12px}
.qtable th,.qtable td{border-bottom:1px solid var(--rule);padding:14px 0;text-align:left;vertical-align:top}.qtable th{width:140px;font-weight:600;padding-top:24px}
.qtable input,.qtable select,.qtable textarea{width:100%;font:inherit;padding:11px 12px;border:1px solid #ccc;border-radius:0;background:#fff;color:var(--ink)}
.qtable select{width:auto;min-width:200px}.qtable textarea{resize:vertical}
.qtable input:focus,.qtable select:focus,.qtable textarea:focus{outline:2px solid var(--yellow);outline-offset:-1px;border-color:#000}
.qbtns{display:flex;justify-content:center;gap:10px;margin-top:30px}.qbtns .btn{cursor:pointer;min-width:140px;font-family:inherit}.btn.line{background:#fff}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.q-msg{margin:16px 0;padding:14px 16px;border:1px solid var(--rule);border-left:4px solid var(--yellow);font-weight:600}.q-msg.err{border-left-color:#c00}
@media(max-width:600px){.qtable th,.qtable td{display:block;width:100%;border:0;padding:6px 0}.qtable tr{display:block;border-bottom:1px solid var(--rule);padding:8px 0}}