:root{--navy:#0c2f52;--blue:#0f5fa9;--blue2:#1a7fc2;--soft:#f5f9fc;--line:#dde7ef;--text:#172332;--muted:#5c6d7c;--white:#fff}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Pretendard,"Noto Sans KR","Malgun Gothic",Arial,sans-serif;color:var(--text);background:#fff;line-height:1.78;word-break:keep-all}
img{display:block;max-width:100%;height:auto}
a{text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;z-index:99;background:#111;color:#fff;padding:10px 14px;border-radius:8px}
header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.97);border-bottom:1px solid #e7eef4;backdrop-filter:blur(10px)}
.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{font-size:20px;font-weight:900;color:var(--navy)}
.menu{display:flex;align-items:center;gap:20px;font-size:14px;font-weight:800}
.menu a{color:#344657}.menu .call{padding:10px 16px;border-radius:999px;background:var(--blue);color:#fff}
.hero{background:linear-gradient(135deg,#edf7ff,#fff 50%,#eef7fb);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;min-height:590px;align-items:center}
.hero-copy{padding:68px 52px 68px 0}
.badge{display:inline-block;background:#e7f3ff;color:var(--blue);font-weight:900;font-size:13px;padding:7px 12px;border-radius:999px;margin-bottom:17px}
h1{font-size:46px;line-height:1.25;letter-spacing:-1.8px;color:var(--navy);margin:0 0 18px}
.hero p{font-size:18px;color:#526475;margin:0 0 25px}
.hero-image{height:100%;min-height:590px}.hero-image img{width:100%;height:100%;object-fit:cover}
.actions{display:flex;flex-wrap:wrap;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:13px 21px;border-radius:10px;font-weight:900}
.primary{background:var(--blue);color:#fff;box-shadow:0 8px 22px rgba(15,95,169,.18)}
.secondary{border:1px solid var(--blue);color:var(--blue);background:#fff}
.section{padding:72px 0}.soft{background:var(--soft)}
.head{text-align:center;max-width:820px;margin:0 auto 34px}.kicker{font-size:13px;font-weight:900;color:var(--blue2)}
h2{font-size:33px;line-height:1.35;letter-spacing:-1.1px;color:var(--navy);margin:7px 0 11px}
.head p{margin:0;color:#687988}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{display:block;border:1px solid var(--line);border-radius:18px;padding:24px;background:#fff;box-shadow:0 6px 20px rgba(29,69,102,.05);color:inherit}
.card:hover{transform:translateY(-2px);transition:.18s;box-shadow:0 10px 28px rgba(29,69,102,.10)}
.card h3{font-size:20px;color:#145b8e;margin:0 0 9px}.card p{font-size:15px;color:#596a78;margin:0}
.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.work{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;box-shadow:0 6px 20px rgba(26,69,105,.06)}
.work img{width:100%;aspect-ratio:4/3;object-fit:cover}
.work-body{padding:20px}.work h3{margin:0 0 8px;color:#13598a;font-size:19px}.work p{margin:0;color:#5b6d7b;font-size:14px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.photo img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;box-shadow:0 12px 28px rgba(24,65,96,.13)}
.copy h2{margin-top:0}.copy p{color:#536574;margin:0 0 15px}
.checks{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.check{border:1px solid var(--line);border-radius:16px;padding:21px;background:#fff}.check b{color:var(--blue);display:block;margin-bottom:6px}.check h3{font-size:18px;margin:0 0 6px;color:#173e61}.check p{font-size:14px;margin:0;color:#617280}
.area{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}.area th,.area td{padding:16px;border-bottom:1px solid #e4ebf0;text-align:left}.area tr:last-child th,.area tr:last-child td{border-bottom:0}.area th{width:145px;background:#eaf4fb;color:#13598b}
.regions{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:20px}.region{border:1px solid var(--line);background:#fff;border-radius:16px;padding:21px}.region h3{margin:0 0 6px;color:#155b8d}.region p{margin:0;color:#596a78;font-size:14px}
.breadcrumb{font-size:13px;color:#71808d;padding:18px 0}.breadcrumb a{color:#44718f}
.article{max-width:900px;margin:0 auto}.article h2{text-align:left;margin-top:42px}.article h3{font-size:21px;color:#155b8d;margin:28px 0 8px}.article p{color:#4f6170}.article figure{margin:28px 0}.article figure img{border-radius:18px;width:100%;max-height:760px;object-fit:cover}.article figcaption{font-size:13px;color:#748391;margin-top:8px}
.faq details{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;padding:20px 3px;font-weight:900;color:#143d61}.faq details p{margin:-6px 0 0;padding:0 3px 20px;color:#586977}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.related a{border:1px solid var(--line);border-radius:15px;padding:18px;color:#164f7a;background:#fff;font-weight:800}
.cta{padding:44px 24px;border-radius:22px;background:linear-gradient(135deg,#0d416c,#1175b4);text-align:center;color:#fff;box-shadow:0 14px 34px rgba(13,65,108,.18)}.cta h2{color:#fff;margin-top:0}.cta p{color:#e5f3fc}
footer{padding:34px 0 48px;text-align:center;color:#7a8996;font-size:13px}
@media(max-width:900px){.menu a:not(.call){display:none}.hero-grid{grid-template-columns:1fr}.hero-copy{padding:50px 0 32px}.hero-image{min-height:390px}.cards,.photo-grid{grid-template-columns:1fr 1fr}.two{grid-template-columns:1fr}.checks{grid-template-columns:1fr 1fr}.regions{grid-template-columns:1fr}.related{grid-template-columns:1fr}}
@media(max-width:600px){.wrap{padding:0 16px}.nav{min-height:64px}.brand{font-size:17px}.menu .call{font-size:12px;padding:9px 11px}h1{font-size:32px}.hero p{font-size:16px}.hero-image{min-height:300px}.cards,.photo-grid,.checks{grid-template-columns:1fr}.section{padding:54px 0}h2{font-size:27px}.area th{width:90px}.area th,.area td{padding:12px;font-size:14px}}


/* 2026-08 SEO content enhancements */
.toc{margin:28px 0;padding:22px;border:1px solid var(--line);border-radius:16px;background:#f9fbfd}
.toc strong{display:block;color:var(--navy);margin-bottom:9px}
.toc a{display:inline-block;margin:4px 12px 4px 0;color:#165d8f;font-weight:750;font-size:14px}
.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:24px 0}
.info-box{padding:22px;border:1px solid var(--line);border-radius:17px;background:#fff}
.info-box h3{margin:0 0 9px;color:#155b8d;font-size:19px}.info-box p{margin:0;color:#566876;font-size:15px}
.compare-table{width:100%;border-collapse:separate;border-spacing:0;margin:22px 0;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.compare-table th,.compare-table td{padding:15px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left}
.compare-table th{background:#edf6fc;color:#174f78}.compare-table tr:last-child th,.compare-table tr:last-child td{border-bottom:0}
.answer-box{margin:20px 0;padding:21px 22px;border-left:4px solid var(--blue);border-radius:10px;background:#f5faff}
.answer-box strong{color:#104f7e}
.service-area-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.service-area-tags span{padding:8px 11px;border-radius:999px;background:#edf6fc;color:#174f78;font-size:13px;font-weight:750}
.trust-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:28px 0}
.trust-strip div{padding:18px 15px;border:1px solid var(--line);border-radius:15px;background:#fff;text-align:center}
.trust-strip b{display:block;color:#0f5fa9;margin-bottom:5px}.trust-strip span{font-size:13px;color:#667784}
.service-note{font-size:13px;color:#748391;margin-top:12px}
@media(max-width:800px){.info-grid,.trust-strip{grid-template-columns:1fr}.compare-table{font-size:14px}}