@charset "utf-8";
/* (주)동아특강 responsive stylesheet - 2026 redesign */
@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css");

:root{
  --red:#d7262f; --blue:#1c6fb8; --blue-dark:#174f80;
  --ink:#1f2328; --ink-2:#444b53; --muted:#6b7280;
  --line:#e5e7eb; --bg-soft:#f4f6f8; --steel:#2b3139;
  --max:1180px; --radius:14px; --hdr:72px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%; scroll-behavior:smooth}
body{margin:0; font-family:Pretendard,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR","Malgun Gothic",sans-serif; font-size:16px; line-height:1.65; color:var(--ink); background:#fff; word-break:keep-all}
img{max-width:100%; height:auto; border:0; vertical-align:middle}
a{color:inherit; text-decoration:none}
ul,ol{margin:0; padding:0; list-style:none}
h1,h2,h3,h4{margin:0; line-height:1.3; font-weight:700}
.wrap{width:min(100% - 40px, var(--max)); margin-inline:auto}
.sr{position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0)}
.btn{display:inline-flex; align-items:center; gap:8px; padding:13px 22px; border-radius:999px; font-weight:700; font-size:15px; transition:.2s; border:2px solid transparent; cursor:pointer; line-height:1}
.btn-red{background:var(--red); color:#fff}
.btn-red:hover{background:#b91d25}
.btn-ghost{border-color:rgba(255,255,255,.7); color:#fff}
.btn-ghost:hover{background:#fff; color:var(--ink)}
.btn-dark{background:var(--ink); color:#fff}
.btn-dark:hover{background:#000}
.btn-line{border-color:var(--ink); color:var(--ink)}
.btn-line:hover{background:var(--ink); color:#fff}

/* ---------- header ---------- */
.site-header{position:sticky; top:0; z-index:100; background:#fff; border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex; align-items:center; justify-content:space-between; height:var(--hdr); gap:16px}
.logo img{height:44px; width:auto}
.gnb{display:flex; gap:4px}
.gnb>li{position:relative}
.gnb>li>a{display:block; padding:24px 16px; font-weight:700; font-size:16px; color:var(--ink)}
.gnb>li>a:hover,.gnb>li.on>a{color:var(--red)}
.gnb .sub{position:absolute; left:50%; top:100%; transform:translateX(-50%); min-width:190px; background:#fff; border:1px solid var(--line); border-radius:12px; box-shadow:0 14px 40px rgba(0,0,0,.12); padding:8px; opacity:0; visibility:hidden; transition:.15s}
.gnb>li:hover .sub,.gnb>li:focus-within .sub{opacity:1; visibility:visible}
.gnb .sub a{display:block; padding:9px 12px; border-radius:8px; font-size:14px; color:var(--ink-2); white-space:nowrap}
.gnb .sub a:hover{background:var(--bg-soft); color:var(--red)}
.hdr-cta{display:flex; align-items:center; gap:12px}
.hdr-tel{font-weight:800; font-size:17px; color:var(--blue-dark); letter-spacing:.2px}
.hdr-tel small{display:block; font-size:11px; color:var(--muted); font-weight:500; line-height:1}
.nav-toggle{display:none; width:44px; height:44px; border:0; background:none; cursor:pointer; padding:10px}
.nav-toggle span{display:block; height:2px; background:var(--ink); margin:6px 0; transition:.25s; border-radius:2px}
/* mobile drawer */
.drawer{display:none}
@media (max-width:1023px){
  .gnb,.hdr-cta .btn,.hdr-tel{display:none}
  .nav-toggle{display:block}
  .drawer{display:block; position:fixed; inset:var(--hdr) 0 0 0; background:#fff; z-index:99; overflow:auto; transform:translateX(100%); transition:.25s; padding:12px 20px 40px}
  body.nav-open .drawer{transform:none}
  body.nav-open{overflow:hidden}
  body.nav-open .nav-toggle span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  body.nav-open .nav-toggle span:nth-child(2){opacity:0}
  body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
  .drawer>ul>li{border-bottom:1px solid var(--line)}
  .drawer>ul>li>a{display:block; padding:16px 4px; font-weight:800; font-size:18px}
  .drawer .sub{display:none; padding:0 4px 14px}
  .drawer li.open .sub{display:block}
  .drawer .sub a{display:block; padding:9px 12px; color:var(--ink-2); font-size:15px; border-radius:8px}
  .drawer .sub a:hover{background:var(--bg-soft)}
  .drawer .d-cta{display:grid; gap:10px; margin-top:20px}
  .drawer .d-cta .btn{justify-content:center}
}

/* ---------- hero ---------- */
.hero{position:relative; min-height:min(78vh,720px); display:flex; align-items:center; color:#fff; overflow:hidden; background:var(--steel)}
.hero .bg{position:absolute; inset:0; background-size:cover; background-position:center; transform:scale(1.02)}
.hero .bg::after{content:""; position:absolute; inset:0; background:linear-gradient(90deg,rgba(13,18,26,.86) 0%,rgba(13,18,26,.62) 45%,rgba(13,18,26,.25) 100%)}
.hero .wrap{position:relative; padding:90px 0}
.hero .eyebrow{display:inline-flex; align-items:center; gap:10px; font-size:14px; font-weight:600; letter-spacing:.3px; color:#dbe4ee; margin-bottom:18px}
.hero .eyebrow::before{content:""; width:28px; height:2px; background:var(--red)}
.hero h1{font-size:clamp(30px,4.6vw,56px); font-weight:800; line-height:1.18; letter-spacing:-.5px; max-width:720px}
.hero h1 em{font-style:normal; color:#ffd9db}
.hero p{font-size:clamp(15px,1.5vw,19px); color:#d7dde5; max-width:620px; margin:20px 0 32px}
.hero .cta{display:flex; flex-wrap:wrap; gap:12px}
.hero .tags{display:flex; flex-wrap:wrap; gap:8px; margin-top:36px}
.hero .tags span{font-size:13px; font-weight:600; padding:7px 12px; border-radius:999px; background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.22); backdrop-filter:blur(4px)}

/* ---------- stats ---------- */
.stats{background:#fff; border-bottom:1px solid var(--line)}
.stats .wrap{display:grid; grid-template-columns:repeat(4,1fr); gap:0}
.stats .item{padding:26px 20px; border-left:1px solid var(--line)}
.stats .item:first-child{border-left:0}
.stats b{display:block; font-size:30px; font-weight:800; color:var(--blue-dark); letter-spacing:-.5px; line-height:1.1}
.stats b small{font-size:16px; margin-left:3px; color:var(--ink-2)}
.stats span{display:block; font-size:14px; color:var(--muted); margin-top:4px}
@media (max-width:767px){.stats .wrap{grid-template-columns:1fr 1fr} .stats .item{border-left:0; border-top:1px solid var(--line); padding:18px 6px} .stats .item:nth-child(-n+2){border-top:0} .stats b{font-size:24px}}

/* ---------- sections ---------- */
.sec{padding:84px 0}
.sec.soft{background:var(--bg-soft)}
.sec-head{margin-bottom:40px}
.sec-head .kicker{display:inline-block; font-size:13px; font-weight:800; letter-spacing:1.5px; color:var(--red); text-transform:uppercase; margin-bottom:10px}
.sec-head h2{font-size:clamp(24px,3vw,36px); font-weight:800; letter-spacing:-.4px}
.sec-head p{color:var(--muted); margin:12px 0 0; max-width:680px; font-size:16px}
.sec-head.center{text-align:center} .sec-head.center p{margin-inline:auto}

/* products */
.products{display:grid; grid-template-columns:repeat(3,1fr); gap:22px}
.prod{background:#fff; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; display:flex; flex-direction:column; transition:.2s}
.prod:hover{transform:translateY(-4px); box-shadow:0 18px 40px rgba(0,0,0,.09)}
.prod .ph{aspect-ratio:16/10; background:var(--steel) center/cover no-repeat; position:relative}
.prod .ph.placeholder{display:flex; align-items:center; justify-content:center; background:linear-gradient(135deg,#3a414b,#1f242b); color:#fff}
.prod .ph.placeholder .hexes{display:grid; grid-template-columns:repeat(3,56px); gap:4px}
.prod .ph.placeholder .hexes i{width:56px; height:64px; background:linear-gradient(160deg,#e9edf1,#9aa3ad 55%,#c9d0d7); clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}
.prod .ph .badge{position:absolute; left:14px; top:14px; background:var(--red); color:#fff; font-size:12px; font-weight:800; padding:6px 10px; border-radius:6px; letter-spacing:.5px}
.prod .body{padding:22px 22px 24px; flex:1; display:flex; flex-direction:column}
.prod h3{font-size:20px; margin-bottom:8px}
.prod h3 small{font-size:13px; color:var(--muted); font-weight:600; margin-left:6px}
.prod p{color:var(--ink-2); font-size:15px; margin:0 0 14px; flex:1}
.prod .grades{display:flex; flex-wrap:wrap; gap:6px; margin-bottom:16px}
.prod .grades span{font-size:12px; font-weight:700; color:var(--blue-dark); background:#e9f1fa; padding:4px 8px; border-radius:6px}
.prod .more{font-weight:700; color:var(--red); font-size:14px}
@media (max-width:900px){.products{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.products{grid-template-columns:1fr}}

/* 316 hex feature */
.feature{background:var(--steel); color:#fff; position:relative; overflow:hidden}
.feature .wrap{display:grid; grid-template-columns:1.1fr .9fr; gap:48px; align-items:center; padding:80px 0}
.feature .kicker{color:#ff8a90}
.feature h2{font-size:clamp(26px,3.2vw,40px); font-weight:800; letter-spacing:-.4px; line-height:1.2}
.feature p{color:#c9d1da; font-size:16px; margin:18px 0 26px}
.feature ul.points{display:grid; gap:10px; margin-bottom:30px}
.feature ul.points li{padding-left:28px; position:relative; color:#e6ebf1}
.feature ul.points li::before{content:""; position:absolute; left:0; top:9px; width:16px; height:16px; background:var(--red); clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}
.feature .visual{aspect-ratio:4/3; border-radius:var(--radius); background:#3a414b center/cover no-repeat; box-shadow:0 30px 60px rgba(0,0,0,.4); position:relative; overflow:hidden}
.feature .visual.placeholder{display:grid; place-items:center; background:radial-gradient(circle at 30% 20%,#4a525c,#20252c)}
.feature .visual.placeholder .hexgrid{display:grid; grid-template-columns:repeat(4,70px); gap:6px}
.feature .visual.placeholder .hexgrid i{width:70px; height:80px; background:linear-gradient(160deg,#f1f4f7,#a2abb5 55%,#d2d8de); clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%)}
.feature .visual.placeholder .hexgrid i:nth-child(even){transform:translateY(40px)}
@media (max-width:900px){.feature .wrap{grid-template-columns:1fr; padding:64px 0}}

/* grades */
.grade-grid{display:grid; grid-template-columns:repeat(5,1fr); gap:12px}
.grade-grid a{display:block; padding:18px 16px; background:#fff; border:1px solid var(--line); border-radius:12px; transition:.2s}
.grade-grid a:hover{border-color:var(--blue); box-shadow:0 10px 24px rgba(28,111,184,.12); transform:translateY(-2px)}
.grade-grid b{display:block; font-size:19px; color:var(--blue-dark); letter-spacing:-.3px}
.grade-grid span{display:block; font-size:13px; color:var(--muted); margin-top:4px}
@media (max-width:900px){.grade-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:520px){.grade-grid{grid-template-columns:1fr 1fr; gap:10px} .grade-grid a{padding:14px 12px} .grade-grid b{font-size:17px}}

/* cutting / equipment */
.cut .wrap{display:grid; grid-template-columns:.95fr 1.05fr; gap:48px; align-items:center}
.cut .photo{border-radius:var(--radius); overflow:hidden; aspect-ratio:4/3; background:var(--steel) center/cover no-repeat; box-shadow:0 20px 50px rgba(0,0,0,.15)}
.eq-table{width:100%; border-collapse:collapse; font-size:14.5px; margin-top:18px; background:#fff; border-radius:12px; overflow:hidden; border:1px solid var(--line)}
.eq-table th{background:var(--bg-soft); text-align:left; padding:11px 14px; font-size:13px; color:var(--muted); font-weight:700}
.eq-table td{padding:11px 14px; border-top:1px solid var(--line)}
.eq-table td:last-child,.eq-table th:last-child{text-align:right; white-space:nowrap}
.eq-brands{display:flex; flex-wrap:wrap; gap:12px; margin-top:16px}
.eq-brands div{display:flex; align-items:center; gap:10px; background:#fff; border:1px solid var(--line); border-radius:10px; padding:8px 12px 8px 8px; font-size:13px; font-weight:700; color:var(--ink-2)}
.eq-brands img{height:48px; width:60px; object-fit:contain; background:#fff; border-radius:6px}
@media (max-width:900px){.cut .wrap{grid-template-columns:1fr}}

/* partners */
.partners{display:grid; grid-template-columns:repeat(2,1fr); gap:20px; max-width:760px; margin:0 auto}
.partners a{display:flex; flex-direction:column; align-items:center; gap:14px; padding:30px 20px; background:#fff; border:1px solid var(--line); border-radius:var(--radius); transition:.2s}
.partners a:hover{box-shadow:0 14px 34px rgba(0,0,0,.08); transform:translateY(-3px)}
.partners img{height:44px; width:auto}
.partners b{font-size:16px} .partners span{font-size:13px; color:var(--muted)}
@media (max-width:520px){.partners{grid-template-columns:1fr}}

/* contact CTA */
.contact{background:linear-gradient(135deg,var(--blue-dark),var(--blue)); color:#fff}
.contact .wrap{display:grid; grid-template-columns:1.2fr 1fr; gap:40px; align-items:center; padding:70px 0}
.contact h2{font-size:clamp(24px,3vw,36px); font-weight:800}
.contact p{color:#dbe8f5; margin:12px 0 24px}
.contact .tel{font-size:clamp(26px,3.4vw,40px); font-weight:800; letter-spacing:-.5px}
.contact .tel small{display:block; font-size:14px; color:#cfe0f2; font-weight:500}
.team{display:grid; gap:10px}
.team li{display:flex; justify-content:space-between; align-items:center; background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.2); border-radius:12px; padding:14px 18px}
.team b{font-size:15px} .team span{font-size:13px; color:#cfe0f2; margin-left:8px}
.team a{font-weight:800; font-size:16px; white-space:nowrap}
@media (max-width:900px){.contact .wrap{grid-template-columns:1fr}}

/* ---------- footer ---------- */
.site-footer{background:#161a1f; color:#aab3bd; font-size:14px}
.site-footer .top{display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; padding:56px 0 40px; border-bottom:1px solid rgba(255,255,255,.08)}
.site-footer .logo-f{display:inline-block; margin-bottom:18px}
.site-footer .logo-f img{height:46px}
.site-footer h4{color:#fff; font-size:14px; margin-bottom:12px; letter-spacing:.3px}
.site-footer li{margin:6px 0}
.site-footer a:hover{color:#fff}
.site-footer address{font-style:normal; line-height:1.8}
.site-footer address b{color:#e5e9ee}
.site-footer .bottom{display:flex; flex-wrap:wrap; justify-content:space-between; gap:10px; padding:20px 0; font-size:12.5px; color:#7d8793}
.site-footer .bottom .partner-links a{margin-left:14px}
@media (max-width:900px){.site-footer .top{grid-template-columns:1fr; gap:28px; padding:40px 0 28px}}

/* ---------- sub pages ---------- */
.page-head{background:var(--steel) center/cover no-repeat; color:#fff; position:relative}
.page-head::before{content:""; position:absolute; inset:0; background:linear-gradient(90deg,rgba(13,18,26,.9),rgba(13,18,26,.55))}
.page-head .wrap{position:relative; padding:64px 0 56px}
.page-head .crumb{font-size:13px; color:#c3ccd6; margin-bottom:10px}
.page-head .crumb a:hover{color:#fff}
.page-head .crumb span::before{content:"›"; margin:0 8px; color:#8d98a5}
.page-head h1{font-size:clamp(26px,3.4vw,40px); font-weight:800; letter-spacing:-.4px}
.page-head p{margin:8px 0 0; color:#c3ccd6; font-size:15px}
.sub-layout{display:grid; grid-template-columns:240px 1fr; gap:48px; padding:52px 0 90px; align-items:start}
.lnb{position:sticky; top:calc(var(--hdr) + 20px)}
.lnb h2{font-size:18px; padding:0 0 12px; border-bottom:2px solid var(--ink); margin-bottom:6px}
.lnb a{display:block; padding:11px 12px; border-radius:8px; color:var(--ink-2); font-size:15px; border-bottom:1px solid var(--line)}
.lnb a:hover{color:var(--red)}
.lnb a.on{background:var(--blue-dark); color:#fff; font-weight:700; border-color:transparent}
.content{min-width:0}
.content-tit{font-size:26px; font-weight:800; padding-bottom:16px; border-bottom:2px solid var(--ink); margin-bottom:28px; letter-spacing:-.3px}
#content{font-size:15px; line-height:1.7; overflow-x:auto}
#content p{margin:0}
#content table{max-width:100%}
#content .tb_list,#content .tb_list2,#content .tb_list3,#content .tb_form,#content .tb_write{width:100%}
#content .tb_list td,#content .tb_list th{font-size:13.5px}
#content .tb_list2 td{font-size:14px; padding:12px 14px; line-height:1.6}
#content .tb_list2 th,#content .tb_list3 th{font-size:14px; padding:8px}
#content .tb_list3 td{font-size:14px}
#content .sub01_ceo{background-position:right 20px; font-size:16px; line-height:1.9}
#content .sub01_ceo p[style*="18px"]{font-size:20px!important}
#content .sub02_product{width:auto}
#content .quotation table{width:100%}
#content .quotation th{width:90px; white-space:nowrap}
#content .partner p{margin-right:30px; margin-bottom:20px}
#content .location{height:auto; display:flex; gap:14px; align-items:flex-start; padding:4px 0 12px}
#content .location_01{position:static; float:none; width:66px; flex:0 0 66px; height:auto; line-height:1.4; padding:5px}
#content .location_02{padding:5px 0 0; height:auto}
#content .root_daum_roughmap,#content .root_daum_roughmap .wrap_map,#content .root_daum_roughmap .wrap_controllers{width:100%!important}
#content .sitemap{float:none; padding:0}
#content .sitemap ul{display:grid; grid-template-columns:repeat(auto-fill,minmax(170px,1fr)); gap:12px; padding-top:0}
#content .sitemap li{float:none; width:auto; height:auto; min-height:180px; text-align:left}
#content .sitemap li p:first-child{font-weight:800; font-size:15px; margin-bottom:8px; color:var(--blue-dark)}
#content .certi,#content .certi2{width:48%; height:auto; float:left; margin-right:2%}
#content .certi_pop,#content .certi_pop2{position:fixed; inset:0; width:auto; height:auto; padding:0; border:0; background:rgba(0,0,0,.7); display:none; align-items:center; justify-content:center; z-index:1000; cursor:zoom-out}
#content .certi_pop img,#content .certi_pop2 img{max-height:90vh; max-width:92vw; width:auto; background:#fff; padding:6px; border-radius:6px}
#content .certi01,#content .certi02{width:48%}
#content .f_input,#content .f_textarea{font-size:15px; padding:9px 10px; width:100%; max-width:520px; min-width:0; box-sizing:border-box; border-radius:8px; border:1px solid #cdd3da; font-family:inherit}
#content .f_textarea{max-width:100%; width:100%}
#content .tb_write th{width:120px; font-size:14px}
#content .tb_write td{padding:10px}
#content .f_helpblock{display:block; margin-top:6px; color:#888; font-size:12.5px}
#content input[type=file]{font-size:14px; max-width:100%}
#content .quote-actions{display:flex; gap:10px; justify-content:center; flex-wrap:wrap}
#content .character_txt,#content .sub04_cont{font-size:15px; line-height:1.7}
#content .sub02_tit{font-size:18px}
#content .citit{font-size:18px}
@media (max-width:900px){
  .sub-layout{grid-template-columns:1fr; gap:24px; padding:28px 0 60px}
  .lnb{position:static}
  .lnb h2{display:none}
  .lnb ul{display:flex; flex-wrap:wrap; gap:8px; padding-bottom:6px}
  .lnb ul::-webkit-scrollbar{display:none}
  .lnb li{flex:0 0 auto}
  .lnb a{border:1px solid var(--line); border-radius:999px; padding:8px 13px; font-size:13.5px; white-space:nowrap; background:#fff}
  .content-tit{font-size:22px}
  #content .tb_write th{width:92px; font-size:13px; padding:8px 6px}
  #content .tb_write td{padding:8px 6px}
  #content .sub01_ceo{background:none}
  #content .certi,#content .certi2,#content .certi01,#content .certi02{width:100%; float:none; margin:0 0 20px}
  #content .partner p{float:none; margin:0 0 24px}
  #content .quotation th{width:70px}
  #content .sub01_cont>div[style*="height:250px"]{height:auto!important}
}
.notice-empty{padding:40px 0; text-align:center; color:#777}
.back-top{position:fixed; right:18px; bottom:18px; width:44px; height:44px; border-radius:50%; background:var(--ink); color:#fff; display:grid; place-items:center; opacity:0; visibility:hidden; transition:.2s; z-index:90; font-size:18px}
.back-top.show{opacity:.9; visibility:visible}

/* 4-card products + why strip */
.products.four{grid-template-columns:repeat(4,1fr); gap:18px}
.products.four .prod h3{font-size:19px}
.products.four .prod p{font-size:14px}
.prod .ph.placeholder .hexes{grid-template-columns:repeat(3,44px)}
.prod .ph.placeholder .hexes i{width:44px; height:50px}
.prod .ph.placeholder .squares{display:grid; grid-template-columns:repeat(3,44px); gap:5px}
.prod .ph.placeholder .squares i{width:44px; height:44px; border-radius:3px; background:linear-gradient(160deg,#e9edf1,#9aa3ad 55%,#c9d0d7)}
@media (max-width:1100px){.products.four{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.products.four{grid-template-columns:1fr}}
.why{background:var(--steel); color:#fff}
.why .wrap{display:grid; grid-template-columns:repeat(3,1fr); gap:28px; padding:48px 0}
.why-item{padding-left:18px; border-left:3px solid var(--red)}
.why-item b{display:block; font-size:19px; margin-bottom:6px}
.why-item span{color:#c9d1da; font-size:14.5px; line-height:1.65}
@media (max-width:800px){.why .wrap{grid-template-columns:1fr; gap:20px; padding:36px 0}}
#content .certi img,#content .certi2 img{max-height:320px;width:auto;border:1px solid var(--line);border-radius:8px;cursor:zoom-in}
.cert-grid{display:grid; grid-template-columns:1fr 1fr; gap:24px; margin-top:28px}
.cert-box{border:1px solid var(--line); border-radius:12px; padding:22px}
.cert-box h3{font-size:17px; margin-bottom:4px}
.cert-box .sub{font-size:13px; color:var(--muted); margin-bottom:12px}
.cert-box ul{margin:0; padding:0}
.cert-box li{padding:7px 0 7px 18px; border-top:1px solid var(--line); position:relative; font-size:14px}
.cert-box li::before{content:""; position:absolute; left:2px; top:14px; width:7px; height:7px; border-radius:50%; background:var(--blue)}
.cert-box .link{display:inline-block; margin-top:12px; font-size:13px; font-weight:700; color:var(--red)}
@media (max-width:800px){.cert-grid{grid-template-columns:1fr}}

.contact .wrap.single{grid-template-columns:1fr; max-width:760px}
.prod .grades span.etc{background:#e9f1fa; color:var(--blue-dark); font-weight:700; font-style:italic; letter-spacing:.3px}
.contact-reveal{background:var(--bg-soft); border-radius:12px; padding:20px 22px; margin:0 0 28px}
.contact-reveal .lead{margin:0 0 14px; font-size:15px}
.contact-reveal .lead a{color:var(--blue-dark)}
.contact-reveal .btn{padding:10px 18px; font-size:14px}
.sales-list{display:grid; gap:8px; margin-top:14px}
.sales-list li{display:flex; align-items:center; gap:12px; background:#fff; border:1px solid var(--line); border-radius:10px; padding:11px 14px; font-size:14px}
.sales-list li b{min-width:58px} .sales-list li span{color:var(--muted); flex:1} .sales-list li a{font-weight:800; color:var(--blue-dark)}

.prod .ph.placeholder .circles{display:grid; grid-template-columns:repeat(3,44px); gap:5px}
.prod .ph.placeholder .circles i{width:44px; height:44px; border-radius:50%; background:linear-gradient(160deg,#e9edf1,#9aa3ad 55%,#c9d0d7)}

.prod .ph.placeholder .elem{display:grid; grid-template-columns:repeat(3,50px); gap:5px}
.prod .ph.placeholder .elem b{display:flex; flex-direction:column; align-items:center; justify-content:center; width:50px; height:50px; border-radius:7px; background:linear-gradient(160deg,#e9edf1,#9aa3ad 55%,#c9d0d7); color:#1f2328; font-size:17px; line-height:1; font-weight:800}
.prod .ph.placeholder .elem b small{font-size:9.5px; font-weight:700; color:#3a414b; margin-top:3px}
.prod .ph .elem-cap{position:absolute; right:12px; bottom:10px; font-size:10.5px; color:rgba(255,255,255,.55); letter-spacing:.3px}

.sales-list[hidden]{display:none!important}

/* notices */
.notice-strip{background:#fff7e6; border-bottom:1px solid #f3e2bb}
.notice-strip .wrap{display:flex; align-items:center; gap:16px; padding:12px 0}
.ns-label{flex:0 0 auto; font-size:12px; font-weight:800; letter-spacing:.5px; color:#fff; background:var(--red); border-radius:6px; padding:5px 9px}
.ns-list{flex:1; min-width:0; display:grid; gap:4px}
.ns-list a{display:flex; align-items:baseline; gap:10px; font-size:14.5px; font-weight:600; color:var(--ink); white-space:nowrap; overflow:hidden}
.ns-list a>span{font-size:12.5px; color:var(--muted); font-weight:500; flex:0 0 auto}
.ns-list a:hover{color:var(--red)}
.ns-list em,.notice-item em{font-style:normal; font-size:11px; font-weight:800; color:var(--red); border:1px solid #f3b7bb; border-radius:4px; padding:1px 5px; margin-right:8px; vertical-align:middle}
.ns-list a{text-overflow:ellipsis}
.ns-more{flex:0 0 auto; font-size:13px; font-weight:700; color:var(--blue-dark)}
@media (max-width:640px){.notice-strip .wrap{flex-wrap:wrap; gap:10px} .ns-more{margin-left:auto} .ns-list a{font-size:14px}}
.notice-list{display:grid; gap:14px}
.notice-item{border:1px solid var(--line); border-radius:12px; padding:18px 20px}
.notice-item h3{font-size:17px; margin-bottom:6px}
.notice-item .n-meta{font-size:13px; color:var(--muted)}
.notice-item .n-body{white-space:pre-wrap; margin-top:12px; font-size:15px; line-height:1.75; color:var(--ink-2)}

/* ---------- mobile content fixes ---------- */
@media (max-width:900px){
  #content .tb_write{table-layout:fixed; width:100%; min-width:0}
  #content .tb_write th{width:84px; white-space:nowrap}
  #content .tb_write td{word-break:break-word}
  #content .tb_write input,#content .tb_write textarea,#content .f_input,#content .f_textarea{width:100%!important; max-width:100%!important; min-width:0; box-sizing:border-box}
  #content .tb_write input[type=file]{width:100%; max-width:100%}
  #content .f_helpblock{display:block; font-size:12px; color:#777; margin-top:4px}
  #content .quote-actions{display:flex; gap:10px}
  #content .quote-actions .btn{flex:1; justify-content:center}
  #content .sales-list,#content .quotation{max-width:100%}
  #content .sub02_product>div[style],#content .sub02_product>.cf[style],#content div[style*="float"]{float:none!important; width:auto!important; height:auto!important; padding:0!important; margin:0!important}
  #content .sub02_product>div{padding:0 0 8px}
  #content .sub04_cont img,#content .sub02_product img{max-width:100%; height:auto}
  #content .sub04_cont,#content .sub02_product{overflow-x:auto; -webkit-overflow-scrolling:touch}
  #content .tb_list{min-width:520px}
  #content .sub03-wide .tb_list{min-width:1100px}
  #content .sub02_tit{font-size:17px}
  #content .diagram{overflow-x:auto}
  #content .diagram svg{min-width:640px}
  .cchart{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){
  .sub-layout{padding:20px 0 48px}
  .content-tit{font-size:20px}
  #content{font-size:14px}
}

/* LNB category headings */
.lnb li.lnb-cat{font-size:12px;font-weight:700;color:#8a93a0;letter-spacing:.02em;padding:16px 0 4px;border:0;background:none}
.lnb li.lnb-cat:first-child{padding-top:4px}
@media (max-width:900px){.lnb li.lnb-cat{flex:0 0 100%;width:100%;padding:10px 0 2px;border:0}}