:root{
  --nexin-blue:#008ec8;
  --nexin-blue-dark:#0a4f7a;
  --ink:#1f2933;
  --muted:#61707f;
  --soft:#f5f8fb;
  --line:#dbe4ec;
  --white:#fff;
  --shadow:0 18px 45px rgba(15,35,55,.14);
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;
  line-height:1.8;
  background:#fff;
}
a{color:inherit;text-decoration:none}
img,video{max-width:100%;display:block}
.container{width:min(1120px,calc(100% - 32px));margin-inline:auto}
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid rgba(219,228,236,.88);
  backdrop-filter:blur(12px);
}
.header-inner{
  min-height:76px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.02em}
.brand img{width:118px;height:auto}
.brand small{display:block;color:var(--muted);font-size:.73rem;font-weight:700;line-height:1.2}
.nav{display:flex;align-items:center;gap:18px;font-size:.94rem;font-weight:800;color:#233648}
.nav a{padding:9px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{color:var(--nexin-blue);border-bottom-color:var(--nexin-blue)}
.nav .contact-link{
  border:0;
  color:#fff;
  background:linear-gradient(135deg,var(--nexin-blue),#19b6e5);
  padding:10px 17px;
  border-radius:999px;
  box-shadow:0 10px 24px rgba(0,142,200,.22);
}
.menu-button{display:none;border:0;background:var(--soft);padding:10px 12px;border-radius:12px;font-weight:800;color:var(--ink)}
.hero{
  position:relative;
  min-height:calc(100svh - 76px);
  display:grid;
  place-items:center;
  overflow:hidden;
  isolation:isolate;
  background:#0a1a2b;
}
.hero-video{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  z-index:-2;
  filter:saturate(1.06) contrast(1.04);
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 78% 18%,rgba(0,142,200,.52),transparent 28%),
    linear-gradient(90deg,rgba(3,16,29,.82),rgba(3,16,29,.42) 54%,rgba(3,16,29,.66));
  z-index:-1;
}
.hero-content{
  width:min(1120px,calc(100% - 32px));
  padding:80px 0;
  color:#fff;
  display:grid;
  grid-template-columns:1.1fr .8fr;
  gap:44px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:#dff7ff;
  font-weight:800;
  letter-spacing:.08em;
  font-size:.86rem;
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:34px;height:3px;border-radius:99px;background:var(--nexin-blue)}
.hero h1{font-size:clamp(2.6rem,6.7vw,5.9rem);line-height:1.03;margin:16px 0 18px;letter-spacing:.03em;text-shadow:0 6px 22px rgba(0,0,0,.32)}
.hero-lead{font-size:clamp(1rem,2.2vw,1.35rem);font-weight:700;max-width:720px;color:#edfaff;margin:0 0 30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  padding:14px 22px;
  font-weight:900;
  letter-spacing:.02em;
  border:1px solid transparent;
  transition:.2s ease;
}
.btn-primary{background:#fff;color:#0c4462}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,255,255,.18)}
.btn-outline{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.08)}
.btn-outline:hover{background:rgba(255,255,255,.16)}
.hero-panel{
  align-self:end;
  background:rgba(255,255,255,.92);
  color:var(--ink);
  border-radius:var(--radius);
  padding:20px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(14px);
}
.hero-panel img{border-radius:16px;width:100%;height:190px;object-fit:cover;margin-bottom:16px}
.hero-panel strong{display:block;font-size:1.12rem;margin-bottom:4px}
.hero-panel p{margin:0;color:var(--muted);font-size:.92rem}
.notice-strip{
  background:linear-gradient(90deg,#0c4c75,#008ec8);
  color:#fff;
  padding:13px 0;
  font-weight:800;
  overflow:hidden;
}
.notice-strip .container{display:flex;gap:18px;align-items:center;justify-content:center;flex-wrap:wrap;text-align:center}
.section{padding:84px 0}
.section.soft{background:var(--soft)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:22px;margin-bottom:34px}
.section-head h2,.page-title h1{font-size:clamp(1.8rem,3.4vw,3rem);line-height:1.2;margin:0 0 10px;letter-spacing:.04em}
.section-head p,.page-title p{margin:0;color:var(--muted);font-weight:600;max-width:720px}
.kicker{font-weight:900;color:var(--nexin-blue);letter-spacing:.08em;font-size:.86rem;margin-bottom:7px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:0 10px 24px rgba(15,35,55,.07);
}
.card img{width:100%;height:180px;object-fit:cover}
.card-body{padding:20px}
.card h3{font-size:1.22rem;margin:0 0 8px}
.card p{margin:0;color:var(--muted);font-size:.94rem}
.card .tag{display:inline-block;margin-bottom:10px;padding:4px 10px;border-radius:999px;background:#e8f7fd;color:#096184;font-size:.78rem;font-weight:900}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.photo-frame{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#fff}
.photo-frame img{width:100%;height:420px;object-fit:cover}
.copy h2{font-size:clamp(1.7rem,3vw,2.6rem);line-height:1.25;margin:0 0 18px}
.copy p{color:var(--muted);font-weight:600;margin:0 0 18px}
.feature-list{display:grid;gap:12px;margin-top:24px}
.feature{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px 16px}
.feature::before{content:"✓";display:grid;place-items:center;flex:0 0 26px;height:26px;border-radius:50%;background:var(--nexin-blue);color:#fff;font-weight:900}
.feature strong{display:block;margin-bottom:2px}.feature span{display:block;color:var(--muted);font-size:.92rem}
.gallery{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
.gallery img{width:100%;height:100%;min-height:230px;object-fit:cover;border-radius:var(--radius);box-shadow:0 10px 24px rgba(15,35,55,.08)}
.gallery .stack{display:grid;gap:18px}
.cta{
  background:linear-gradient(135deg,#082236,#0b5f8b 60%,#00a1d6);
  color:#fff;
  border-radius:30px;
  padding:46px;
  display:grid;
  grid-template-columns:1fr auto;
  gap:24px;
  align-items:center;
  box-shadow:var(--shadow);
}
.cta h2{font-size:clamp(1.7rem,3vw,2.7rem);line-height:1.25;margin:0 0 10px}.cta p{margin:0;color:#dff7ff;font-weight:700}
.page-hero{background:linear-gradient(135deg,#eff9fd,#fff);padding:66px 0 42px;border-bottom:1px solid var(--line)}
.page-title{display:grid;grid-template-columns:1fr 360px;gap:34px;align-items:center}.page-title img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;height:240px;object-fit:cover;background:#fff}
.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.info-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 10px 24px rgba(15,35,55,.06)}.info-box h3{margin:0 0 10px;font-size:1.24rem}.info-box p,.info-box li{color:var(--muted);font-weight:600}.info-box ul{margin:10px 0 0;padding-left:1.2rem}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px;background:#fff}table{border-collapse:collapse;width:100%;min-width:620px}th,td{padding:15px 17px;border-bottom:1px solid var(--line);text-align:left}th{background:#eef8fc;color:#0a4f7a;font-weight:900}tr:last-child td{border-bottom:0}
.company-list{display:grid;gap:0;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff}.company-row{display:grid;grid-template-columns:180px 1fr}.company-row dt,.company-row dd{margin:0;padding:16px 18px;border-bottom:1px solid var(--line)}.company-row dt{background:#eef8fc;font-weight:900;color:#0a4f7a}.company-row dd{color:var(--muted);font-weight:700}.company-row:last-child dt,.company-row:last-child dd{border-bottom:0}
.site-footer{background:#0b1724;color:#b9c8d6;padding:36px 0;margin-top:40px}.footer-inner{display:flex;justify-content:space-between;gap:24px;align-items:center}.footer-inner strong{display:block;color:#fff;font-size:1.1rem}.footer-inner img{width:120px;background:#fff;border-radius:12px;padding:8px}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease}.reveal.is-visible{opacity:1;transform:none}
@media (max-width:960px){
  .hero-content,.grid-2,.gallery,.page-title,.content-grid,.cta{grid-template-columns:1fr}.cards{grid-template-columns:repeat(2,1fr)}.hero-panel{max-width:520px}.photo-frame img{height:320px}.page-title img{height:220px}.cta{padding:32px}.footer-inner{flex-direction:column;align-items:flex-start}.nav{position:absolute;left:16px;right:16px;top:76px;display:none;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow)}.nav.is-open{display:flex}.menu-button{display:block}.brand small{display:none}}
@media (max-width:620px){
  .hero{min-height:calc(92svh - 76px)}.hero h1{font-size:3.1rem}.hero-panel{display:none}.cards{grid-template-columns:1fr}.section{padding:60px 0}.section-head{display:block}.card img{height:210px}.company-row{grid-template-columns:1fr}.company-row dt{border-bottom:0}.header-inner{min-height:68px}.nav{top:68px}.brand img{width:104px}.hero-actions .btn{width:100%}.notice-strip .container{font-size:.9rem}.page-hero{padding:48px 0 30px}}
.page-title img[src*="logo"]{object-fit:contain;padding:24px;background:#fff}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.hero-video{animation:none}}