:root {
  --ink: #101922;
  --navy: #152b3f;
  --blue: #195e91;
  --yellow: #ffd400;
  --paper: #f4f1e9;
  --white: #fff;
  --muted: #64717b;
  --line: rgba(16,25,34,.14);
  --shadow: 0 18px 60px rgba(10,23,34,.14);
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;background:var(--paper);color:var(--ink);font-family:"Pretendard","Noto Sans KR","Apple SD Gothic Neo",Arial,sans-serif;line-height:1.65;word-break:keep-all}
a{color:inherit;text-decoration:none} img{display:block;max-width:100%} button{font:inherit}
.wrap{width:min(1180px,calc(100% - 40px));margin:auto}
.topbar{background:var(--ink);color:#dce5eb;font-size:13px}.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding:8px 0}.topbar strong{color:var(--yellow)}
header{position:sticky;top:0;z-index:30;background:rgba(244,241,233,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
.nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:12px;font-weight:950;font-size:24px;letter-spacing:-1.5px}.brand-mark{display:grid;place-items:center;width:44px;height:44px;background:var(--yellow);border-radius:50% 50% 50% 12px;color:var(--ink);font-size:13px;font-weight:1000}.brand small{display:block;font-size:10px;letter-spacing:2.4px;color:var(--blue);line-height:1}
nav{display:flex;align-items:center;gap:28px;font-weight:750;font-size:15px}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 20px;border:1px solid var(--ink);font-weight:900}.nav-cta{background:var(--yellow)}.menu-btn{display:none;border:0;background:none;font-size:25px}
.hero{position:relative;overflow:hidden;background:var(--navy);color:white;padding:82px 0 72px}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(12,28,42,.98) 0 48%,rgba(12,28,42,.25) 100%),repeating-linear-gradient(135deg,transparent 0 44px,rgba(255,212,0,.05) 45px 47px)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:64px}.eyebrow{display:flex;align-items:center;gap:10px;color:var(--yellow);font-weight:900;font-size:13px;letter-spacing:1.8px}.eyebrow:before{content:"";width:30px;height:4px;background:var(--yellow)}
h1{font-size:clamp(42px,6vw,76px);line-height:1.04;letter-spacing:-4px;margin:20px 0 24px;font-weight:1000}.hero h1 span{color:var(--yellow)}.hero-copy{font-size:19px;color:#d9e5ec;max-width:640px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:34px 0}.btn.primary{background:var(--yellow);color:var(--ink);border-color:var(--yellow)}.btn.ghost{color:white;border-color:rgba(255,255,255,.5)}
.quick-facts{display:flex;gap:26px;margin-top:30px}.quick-facts div{padding-left:14px;border-left:3px solid var(--yellow)}.quick-facts strong{display:block;font-size:19px}.quick-facts span{font-size:12px;color:#b8c5cc}
.hero-visual{position:relative}.hero-visual img{width:100%;aspect-ratio:1.22/1;object-fit:cover;border:8px solid white;transform:rotate(1.5deg);box-shadow:0 30px 80px rgba(0,0,0,.38)}.safety-card{position:absolute;left:-28px;bottom:-26px;background:var(--yellow);color:var(--ink);padding:18px 22px;width:min(330px,78%);box-shadow:var(--shadow);font-weight:800}.safety-card span{display:block;font-size:12px;letter-spacing:1px;margin-bottom:5px}
.ticker{background:var(--yellow);border-bottom:1px solid var(--ink);overflow:hidden;white-space:nowrap}.ticker-inner{display:flex;gap:44px;padding:12px 0;font-weight:950;font-size:14px}.ticker i{font-style:normal}.ticker i:before{content:"●";margin-right:14px}
section{padding:100px 0}.section-head{display:grid;grid-template-columns:.7fr 1.3fr;align-items:end;gap:40px;margin-bottom:42px}.kicker{font-size:12px;letter-spacing:2px;font-weight:950;color:var(--blue)}h2{font-size:clamp(34px,4.6vw,58px);line-height:1.08;letter-spacing:-3px;margin:7px 0;font-weight:1000}.section-head p{margin:0;color:var(--muted);font-size:17px}
.problem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.problem-card{background:white;border:1px solid var(--line);padding:28px;min-height:230px;position:relative}.problem-card .num{font-size:12px;color:var(--blue);font-weight:900}.problem-card h3{font-size:22px;line-height:1.25;margin:36px 0 10px}.problem-card p{color:var(--muted);margin:0}.problem-card.featured{background:var(--ink);color:white}.problem-card.featured p{color:#c9d2d8}.problem-card.featured:after{content:"현장 사진이 답입니다";position:absolute;right:0;top:0;background:var(--yellow);color:var(--ink);padding:7px 10px;font-size:11px;font-weight:950}
.services{background:white}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);border-left:1px solid var(--line);border-top:1px solid var(--line)}.service-card{padding:30px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:.2s}.service-card:hover{background:var(--paper);transform:translateY(-3px)}.service-icon{display:grid;place-items:center;width:54px;height:54px;border-radius:50%;background:var(--yellow);font-size:25px}.service-card h3{font-size:21px;margin:20px 0 8px}.service-card p{margin:0;color:var(--muted);font-size:14px}.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}.tag{border:1px solid var(--line);padding:4px 8px;font-size:11px;font-weight:750}
.process{background:var(--ink);color:white}.process .section-head p{color:#b8c6cf}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#31404c}.step{background:var(--ink);padding:30px}.step b{color:var(--yellow);font-size:13px}.step h3{font-size:20px;margin:26px 0 10px}.step p{font-size:14px;color:#b7c4cc;margin:0}
.gallery-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:14px}.gallery-grid figure{margin:0;position:relative;overflow:hidden;background:#d8dde0}.gallery-grid figure:first-child{grid-row:span 2}.gallery-grid img{width:100%;height:100%;min-height:220px;object-fit:cover;transition:.35s}.gallery-grid figure:first-child img{min-height:455px}.gallery-grid figure:hover img{transform:scale(1.035)}.gallery-grid figcaption{position:absolute;left:12px;bottom:12px;background:var(--ink);color:white;padding:7px 10px;font-size:12px;font-weight:800}
.areas{background:#e5ebee}.area-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.area-card{background:white;border-top:6px solid var(--blue);padding:30px;box-shadow:0 10px 35px rgba(20,40,55,.08)}.area-card.primary{border-color:var(--yellow);background:var(--navy);color:white}.area-card .area-label{font-size:11px;letter-spacing:1.5px;font-weight:900;color:var(--blue)}.area-card.primary .area-label{color:var(--yellow)}.area-card h3{font-size:29px;margin:8px 0 10px}.area-card p{color:var(--muted);font-size:14px}.area-card.primary p{color:#cbd7de}.text-link{display:inline-block;margin-top:18px;font-weight:900;border-bottom:2px solid currentColor}
.keyword-panel{margin-top:28px;background:white;border:1px solid var(--line);padding:28px}.keyword-panel h3{font-size:22px;margin:0 0 18px}.keyword-group{padding:18px 0;border-top:1px solid var(--line)}.keyword-group:first-of-type{border-top:0}.keyword-group strong{display:block;color:var(--blue);margin-bottom:8px}.keyword-links{display:flex;flex-wrap:wrap;gap:8px}.keyword-links a,.keyword-links span{background:var(--paper);border:1px solid var(--line);padding:7px 10px;font-size:12px;font-weight:750}.keyword-links a:hover{background:var(--yellow);border-color:var(--yellow)}
.directory-note{margin:-6px 0 20px;color:#60707b}.area-accordion-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.area-accordion{border:1px solid var(--line);background:var(--paper)}.area-accordion summary{display:flex;align-items:center;justify-content:space-between;gap:14px;cursor:pointer;padding:16px 18px;font-weight:900;list-style:none}.area-accordion summary::-webkit-details-marker{display:none}.area-accordion summary:after{content:"+";font-size:20px;color:var(--blue)}.area-accordion[open] summary:after{content:"−"}.area-accordion summary small{margin-left:auto;color:#71808a;font-size:11px;white-space:nowrap}.area-context{margin:0;padding:0 18px 14px;color:#60707b;font-size:13px;line-height:1.65}.district-links{padding:0 18px 18px}.district-links span{background:#fff}
.faq{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px}.faq-list details{border-top:1px solid var(--line);padding:19px 0}.faq-list details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;font-size:18px;font-weight:850;list-style:none;display:flex;justify-content:space-between;gap:20px}summary:after{content:"+";color:var(--blue);font-size:26px}.faq-list details[open] summary:after{content:"−"}.faq-list details p{color:var(--muted);margin:12px 30px 0 0}
.cta{padding:70px 0;background:var(--yellow)}.cta-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}.cta h2{margin:0}.cta p{font-weight:700}.cta-actions{display:flex;justify-content:flex-end;gap:10px}.cta .btn.primary{background:var(--ink);color:white;border-color:var(--ink)}
footer{background:#0d151c;color:#bdc7ce;padding:52px 0 90px}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:50px}.footer-brand{font-size:28px;color:white;font-weight:1000}.footer-grid h4{color:white;margin-top:0}.footer-grid p,.footer-grid a{font-size:13px}.copyright{margin-top:40px;padding-top:20px;border-top:1px solid #27343d;font-size:11px;color:#7f8d96}.mobile-bar{display:none}
.subhero{background:var(--navy);color:white;padding:72px 0}.subhero h1{font-size:clamp(40px,5vw,66px);margin-bottom:18px}.subhero p{max-width:760px;color:#c9d6de;font-size:18px}.breadcrumb{font-size:12px;color:var(--yellow);font-weight:850}.content-grid{display:grid;grid-template-columns:1fr 320px;gap:52px}.article h2{font-size:38px;margin-top:0}.article h3{font-size:24px;margin-top:42px}.article p{color:#4d5b65}.checklist{background:white;border:1px solid var(--line);padding:26px}.checklist ul{padding:0;list-style:none}.checklist li{padding:11px 0;border-bottom:1px solid var(--line)}.checklist li:before{content:"✓";color:var(--blue);font-weight:1000;margin-right:10px}.sidebar-card{position:sticky;top:110px;background:var(--yellow);padding:28px}.sidebar-card h3{margin-top:0;font-size:25px}.local-list{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.local-list span{padding:14px;background:white;border:1px solid var(--line);font-weight:750;text-align:center}.notice{border-left:6px solid var(--yellow);background:white;padding:20px 24px;margin:30px 0;color:#45525c}.seo-copy{font-size:13px;color:#71808a}
.youtube-hero{background:linear-gradient(120deg,#101922 0 62%,#7b1010 100%)}.youtube-hero-inner{display:flex;align-items:flex-end;justify-content:space-between;gap:36px}.youtube-channel-btn{display:inline-flex;align-items:center;gap:12px;min-height:54px;padding:0 22px;background:#ff0033;color:#fff;font-weight:950;white-space:nowrap}.youtube-channel-btn span{font-size:18px}.youtube-section-head{align-items:end}.video-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.video-card{overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:0 12px 30px rgba(10,23,34,.08)}.video-thumb{position:relative;display:block;aspect-ratio:9/16;overflow:hidden;background:#111}.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease}.video-card:hover .video-thumb img{transform:scale(1.025)}.play-badge{position:absolute;left:50%;top:50%;display:grid;place-items:center;width:58px;height:58px;border-radius:50%;background:rgba(255,0,51,.94);color:#fff;font-size:20px;transform:translate(-50%,-50%);box-shadow:0 8px 28px rgba(0,0,0,.28)}.video-card-body{padding:20px}.video-label{display:block;color:#c40028;font-size:11px;font-weight:950;letter-spacing:1px}.video-card h2{min-height:3.2em;margin:8px 0 18px;font-size:20px;line-height:1.5;letter-spacing:-.5px}.video-watch{font-size:13px;font-weight:900;color:var(--blue)}.youtube-bottom-cta{display:flex;align-items:center;justify-content:space-between;gap:36px;margin-top:54px;padding:34px;background:var(--yellow)}.youtube-bottom-cta h2{margin:8px 0;font-size:clamp(28px,3vw,42px);line-height:1.25}.youtube-bottom-cta p{margin:0;color:#374651}
.case-board{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.case-card{background:white;border:1px solid var(--line);display:flex;flex-direction:column;transition:.2s;box-shadow:0 12px 35px rgba(20,40,55,.07)}.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.case-card img{width:100%;aspect-ratio:4/3;object-fit:cover}.case-card-body{padding:24px;display:flex;flex-direction:column;flex:1}.case-meta{font-size:12px;color:var(--blue);font-weight:900;letter-spacing:.4px}.case-card h2{font-size:24px;line-height:1.25;letter-spacing:-1px;margin:10px 0}.case-card p{color:var(--muted);font-size:14px;margin:0 0 16px}.case-card .text-link{margin-top:auto}.case-note{background:#e8edf0;border-left:6px solid var(--blue);padding:20px 24px;margin-bottom:34px;color:#40505b}.case-detail{max-width:900px}.case-intro{font-size:20px;color:#40505b}.case-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);margin:34px 0}.case-facts div{background:white;padding:20px}.case-facts b{display:block;color:var(--blue);font-size:12px;margin-bottom:5px}.case-photo-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:34px 0}.case-photo-grid figure{margin:0;background:#d8dde0}.case-photo-grid img{width:100%;aspect-ratio:4/3;object-fit:cover}.case-photo-grid figcaption{padding:9px 12px;background:white;color:var(--muted);font-size:12px}.case-body h2{font-size:34px;letter-spacing:-1.7px;margin-top:48px}.case-body h3{font-size:23px;margin-top:34px}.case-body p{color:#45545f}.case-source{font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:18px;margin-top:46px}.case-source a{color:var(--blue);text-decoration:underline}.case-nav{display:flex;justify-content:space-between;gap:12px;margin-top:28px}.case-nav a{font-weight:900;border-bottom:2px solid var(--ink)}
@media(max-width:900px){.topbar{display:none}nav{display:none;position:absolute;left:0;right:0;top:78px;background:var(--paper);padding:22px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open nav{display:flex}.menu-btn{display:block}.hero{padding-top:58px}.hero-grid,.section-head,.faq,.cta-inner,.content-grid{grid-template-columns:1fr}.hero-visual{margin-top:18px}.problem-grid,.service-grid,.area-grid,.case-board{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr}.gallery-grid{grid-template-columns:1fr 1fr}.gallery-grid figure:first-child{grid-column:span 2;grid-row:auto}.cta-actions{justify-content:flex-start}.footer-grid{grid-template-columns:1fr 1fr}.sidebar-card{position:static}.local-list{grid-template-columns:repeat(2,1fr)}.youtube-hero-inner{align-items:flex-start;flex-direction:column}.video-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.youtube-bottom-cta{align-items:flex-start;flex-direction:column}}
@media(max-width:600px){.wrap{width:min(100% - 26px,1180px)}.nav{height:68px}.brand{font-size:20px}.brand-mark{width:38px;height:38px}.hero{padding:48px 0 58px}h1{font-size:43px;letter-spacing:-2.6px}.hero-copy{font-size:16px}.quick-facts{gap:10px;flex-wrap:wrap}.quick-facts div{width:calc(50% - 5px)}section{padding:72px 0}.problem-grid,.service-grid,.area-grid,.steps,.gallery-grid,.case-board,.case-photo-grid,.case-facts,.area-accordion-grid,.video-grid{grid-template-columns:1fr}.gallery-grid figure:first-child{grid-column:auto}.gallery-grid figure:first-child img{min-height:260px}.section-head{gap:12px}.footer-grid{grid-template-columns:1fr}.cta-actions{flex-direction:column}.case-nav{flex-direction:column}.keyword-panel{padding:20px 14px}.area-accordion summary{padding:15px 14px}.area-context{padding:0 14px 12px}.district-links{padding:0 14px 14px}.video-card h2{min-height:0}.youtube-bottom-cta{padding:26px 20px}.youtube-channel-btn{width:100%;white-space:normal}.mobile-bar{position:fixed;z-index:40;left:0;right:0;bottom:0;display:grid;grid-template-columns:1fr 1fr;box-shadow:0 -8px 24px rgba(0,0,0,.16)}.mobile-bar a{padding:15px;text-align:center;background:var(--ink);color:white;font-weight:900}.mobile-bar a:first-child{background:var(--yellow);color:var(--ink)}footer{padding-bottom:120px}}