:root{
  --bg:#f4f7fb;
  --surface:#ffffff;
  --soft:#eef3f9;
  --ink:#0e1a2f;
  --muted:#61708a;
  --line:rgba(14,26,47,.08);
  --brand:#164a8a;
  --brand-2:#0d2f57;
  --shadow:0 24px 60px rgba(10,31,66,.10);
  --radius:28px;
  --radius-sm:18px;
  --max:1280px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"Segoe UI", "Apple SD Gothic Neo", "Malgun Gothic", Arial, sans-serif;
  color:var(--ink);
  background:linear-gradient(180deg,#f7faff 0%,#f2f5fa 100%);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;backdrop-filter:blur(16px)}
.topbar{background:rgba(247,250,255,.82);border-bottom:1px solid rgba(255,255,255,.5);box-shadow:0 10px 40px rgba(12,30,60,.05)}
.topbar-inner{min-height:86px;display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:14px;flex-shrink:0}
.brand img{width:50px;height:50px;object-fit:contain;border-radius:50%;background:#fff;box-shadow:0 8px 18px rgba(0,0,0,.05)}
.brand-copy{display:flex;flex-direction:column;gap:3px}
.brand-copy strong{font-size:22px;letter-spacing:-.03em}
.brand-copy span{font-size:11px;letter-spacing:.18em;color:var(--muted)}
.topnav{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.topnav a{padding:11px 16px;border-radius:999px;font-size:14px;font-weight:700;color:#31425f;transition:.25s ease}
.topnav a:hover,.topnav a.active{background:#fff;color:var(--brand);box-shadow:0 10px 24px rgba(22,74,138,.12)}
.menu-toggle,.mobile-panel{display:none}
.hero{position:relative;min-height:calc(100vh - 86px);display:flex;align-items:flex-end;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center center;transform:scale(1.03)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,15,30,.78) 0%,rgba(7,15,30,.46) 42%,rgba(7,15,30,.18) 100%),linear-gradient(180deg,rgba(13,38,74,.10) 0%,rgba(255,255,255,.00) 50%,rgba(7,15,30,.20) 100%)}
.hero-content{position:relative;z-index:1;padding:88px 0 74px;display:grid;grid-template-columns:minmax(0,1.05fr) 330px;gap:28px;align-items:end}
.hero-panel{max-width:780px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);box-shadow:var(--shadow);backdrop-filter:blur(14px);border-radius:32px;padding:34px 34px 30px;color:#fff}
.eyebrow,.section-mark{display:inline-flex;align-items:center;gap:10px;padding:10px 16px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
.eyebrow{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);margin-bottom:18px}
.eyebrow::before,.section-mark::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor;opacity:.8}
.hero-panel h1{margin:0;font-size:clamp(42px,6vw,82px);line-height:1.08;letter-spacing:-.055em;word-break:keep-all;max-width:12ch}
.hero-panel p{margin:22px 0 0;font-size:17px;line-height:1.8;color:rgba(255,255,255,.90);max-width:640px}
.hero-actions{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 22px;border-radius:999px;font-weight:800;letter-spacing:-.01em;transition:.25s ease;border:1px solid transparent}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:#fff;color:var(--brand-2);box-shadow:0 16px 34px rgba(0,0,0,.15)}
.btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);color:#fff}
.btn-light{background:#fff;color:var(--brand-2)}
.hero-float{background:rgba(255,255,255,.96);border-radius:28px;padding:26px;box-shadow:0 30px 60px rgba(6,18,42,.22)}
.hero-float .float-kicker{font-size:11px;font-weight:800;letter-spacing:.18em;color:var(--brand);margin-bottom:12px}
.hero-float strong{display:block;font-size:24px;line-height:1.3;letter-spacing:-.03em}
.hero-float p{margin:12px 0 0;color:var(--muted);line-height:1.7}
.section{padding:90px 0}
.section-tight{padding-top:0;margin-top:-38px;position:relative;z-index:2}
.bg-soft{background:linear-gradient(180deg,#f8fbff 0%,#edf3f9 100%)}
.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.stat-card{background:rgba(255,255,255,.94);border:1px solid rgba(255,255,255,.8);border-radius:24px;padding:26px;box-shadow:0 18px 38px rgba(11,31,61,.08)}
.stat-card span{font-size:12px;text-transform:uppercase;letter-spacing:.16em;color:var(--brand);font-weight:800}
.stat-card strong{display:block;margin-top:16px;font-size:34px;letter-spacing:-.05em}
.stat-card p{margin:10px 0 0;color:var(--muted);line-height:1.7;font-size:14px}
.split-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}
.split-reverse{grid-template-columns:.95fr 1.05fr}
.content-block h2,.section-head h2,.page-visual h1,.sales-box h2{margin:16px 0 0;font-size:clamp(30px,4vw,52px);line-height:1.16;letter-spacing:-.05em;word-break:keep-all}
.content-block .lead,.section-head p,.page-visual p{margin:18px 0 0;color:var(--muted);font-size:17px;line-height:1.9;max-width:780px}
.section-mark{background:rgba(22,74,138,.08);color:var(--brand)}
.section-mark.bright{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);color:#fff}
.feature-list{margin-top:28px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.feature-list.slim{grid-template-columns:1fr}
.feature-list div{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px 20px;box-shadow:0 14px 28px rgba(12,30,60,.05)}
.feature-list strong{display:block;font-size:17px;letter-spacing:-.03em}
.feature-list span{display:block;margin-top:8px;color:var(--muted);line-height:1.7}
.media-card{background:#fff;border-radius:32px;padding:16px;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.72)}
.media-card img{border-radius:24px;width:100%;height:auto;object-fit:cover}
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.gallery-grid figure{margin:0;background:#fff;border-radius:26px;padding:14px;box-shadow:0 18px 36px rgba(12,30,60,.07)}
.gallery-grid img{width:100%;aspect-ratio:1.15/1;object-fit:cover;border-radius:18px}
.gallery-grid figcaption{padding:14px 6px 4px;font-size:14px;font-weight:700;color:#33435f}
.cta-band{background:linear-gradient(135deg,#0f2f58 0%,#164a8a 55%,#3b79c4 100%);color:#fff}
.cta-band-inner{display:flex;align-items:end;justify-content:space-between;gap:24px}
.cta-band h2{margin:16px 0 0;font-size:clamp(28px,4vw,52px);line-height:1.15;letter-spacing:-.05em;max-width:14ch}
.cta-band p{margin:16px 0 0;max-width:700px;color:rgba(255,255,255,.84);line-height:1.8}
.page-visual{padding:96px 0 34px;background:linear-gradient(180deg,#f8fbff 0%,rgba(248,251,255,0) 100%)}
.page-visual.compact{padding:88px 0 24px}
.page-visual.dark{background:linear-gradient(135deg,#0f2f58 0%,#1a4f8b 100%);color:#fff}
.page-visual.dark p{color:rgba(255,255,255,.84)}
.two-col-table{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.info-card,.sales-box{background:#fff;border-radius:30px;padding:30px;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.8)}
.info-card h2,.sales-box h2{font-size:34px}
.info-table,.contact-list{margin-top:22px;display:grid;gap:14px}
.info-table div,.contact-list div{display:grid;grid-template-columns:130px 1fr;gap:12px;padding:15px 0;border-bottom:1px solid var(--line)}
.info-table span,.contact-list span{font-size:13px;font-weight:800;color:var(--brand);letter-spacing:.04em}
.info-table strong,.contact-list strong{font-size:16px;line-height:1.7}
.card-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.detail-card{background:#fff;border-radius:26px;padding:26px;border:1px solid var(--line);box-shadow:0 16px 30px rgba(12,30,60,.06)}
.detail-card h3{margin:0;font-size:22px;letter-spacing:-.04em}
.detail-card p{margin:14px 0 0;color:var(--muted);line-height:1.8}
.timeline{position:relative;padding-left:30px;display:grid;gap:18px}
.timeline::before{content:"";position:absolute;left:8px;top:10px;bottom:10px;width:2px;background:linear-gradient(180deg,#c5d5ea 0%,#19508f 100%)}
.timeline-item{position:relative;background:#fff;border-radius:24px;padding:22px 24px 22px 28px;box-shadow:0 16px 32px rgba(12,30,60,.06);border:1px solid var(--line)}
.timeline-item::before{content:"";position:absolute;left:-28px;top:28px;width:14px;height:14px;border-radius:50%;background:#19508f;box-shadow:0 0 0 5px #eaf2fc}
.timeline-item span{display:block;font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--brand)}
.timeline-item strong{display:block;margin-top:8px;font-size:21px;line-height:1.5;letter-spacing:-.03em}
.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.product-card{background:#fff;border-radius:28px;padding:18px;display:grid;grid-template-columns:220px 1fr;gap:20px;align-items:center;box-shadow:0 18px 34px rgba(12,30,60,.07)}
.product-card img{width:100%;height:180px;object-fit:cover;border-radius:20px;background:#f1f5fb}
.product-card h3{margin:0;font-size:24px;letter-spacing:-.04em}
.product-card p{margin:10px 0 0;color:var(--muted);line-height:1.75}
.data-table{margin-top:28px;border-radius:20px;overflow:hidden;border:1px solid var(--line)}
.data-table .row{display:grid;grid-template-columns:1.35fr .9fr .8fr;padding:16px 18px;background:#fff;border-bottom:1px solid var(--line);gap:12px}
.data-table .row.head{background:#153d71;color:#fff;font-weight:800}
.data-table .row.total{background:#eef4fb;font-weight:800}
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cert-card{background:#fff;border-radius:30px;padding:18px;box-shadow:0 18px 36px rgba(12,30,60,.07);text-align:center}
.cert-card img{width:100%;height:420px;object-fit:contain;background:#fafcff;border-radius:18px;padding:10px}
.cert-card h3{margin:16px 0 6px;font-size:21px;letter-spacing:-.03em}
.site-footer{padding:34px 0 56px;background:#0f1828;color:rgba(255,255,255,.86)}
.footer-grid{display:flex;align-items:center;justify-content:space-between;gap:24px}
.footer-title{font-size:20px;font-weight:800;letter-spacing:-.03em}
.footer-sub{margin-top:6px;font-size:12px;letter-spacing:.18em;color:rgba(255,255,255,.55)}
.footer-contact{color:rgba(255,255,255,.68);line-height:1.8;text-align:right}
.reveal{opacity:0;transform:translateY(24px);animation:rise .8s ease forwards}
.reveal.delay-1{animation-delay:.12s}
@keyframes rise{to{opacity:1;transform:none}}
@media (max-width:1200px){
  .stats-grid{grid-template-columns:repeat(3,1fr)}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .hero-content{grid-template-columns:1fr 300px}
}
@media (max-width:980px){
  .topnav{display:none}
  .menu-toggle{display:flex;margin-left:auto;align-items:center;justify-content:center;width:46px;height:46px;border:0;border-radius:14px;background:#fff;box-shadow:0 12px 24px rgba(12,30,60,.08);font-size:20px;cursor:pointer}
  .mobile-panel{display:none;background:rgba(247,250,255,.97);border-top:1px solid rgba(12,30,60,.06);padding:10px 24px 18px;gap:10px;flex-wrap:wrap}
  .mobile-panel.open{display:flex}
  .mobile-panel a{padding:11px 14px;border-radius:14px;background:#fff;font-weight:700;box-shadow:0 10px 20px rgba(12,30,60,.06)}
  .mobile-panel a.active{color:var(--brand)}
  .hero{min-height:auto}
  .hero-content,.split-grid,.two-col-table,.card-grid-3,.product-grid,.cert-grid,.cta-band-inner{grid-template-columns:1fr;display:grid}
  .hero-content{padding-top:56px}
  .hero-float{max-width:440px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .feature-list{grid-template-columns:1fr}
  .footer-grid{flex-direction:column;align-items:flex-start}
  .footer-contact{text-align:left}
}
@media (max-width:640px){
  .container{width:min(var(--max),calc(100% - 26px))}
  .topbar-inner{min-height:74px}
  .brand-copy strong{font-size:18px}
  .brand-copy span{letter-spacing:.12em}
  .hero-panel{padding:22px 20px 20px;border-radius:24px}
  .hero-panel h1{font-size:clamp(34px,10.4vw,52px);max-width:none}
  .hero-panel p,.content-block .lead,.section-head p,.page-visual p{font-size:15px;line-height:1.75}
  .section,.page-visual{padding:72px 0}
  .stats-grid,.gallery-grid{grid-template-columns:1fr}
  .product-card{grid-template-columns:1fr}
  .product-card img{height:220px}
  .data-table .row{grid-template-columns:1.2fr .8fr .7fr;font-size:13px;padding:13px 12px}
  .info-table div,.contact-list div{grid-template-columns:1fr;gap:8px}
}