:root{
  --navy:#10243d;
  --navy-2:#183956;
  --blue:#1675c1;
  --blue-soft:#eaf4fb;
  --orange:#ee7c24;
  --ink:#1c2733;
  --muted:#657382;
  --line:#dbe5ec;
  --bg:#f6f9fb;
  --white:#ffffff;
  --shadow:0 18px 44px rgba(16,36,61,.12);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.75;
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.container{width:min(1160px,calc(100% - 40px));margin:0 auto}
.topbar{background:var(--navy);color:#fff;font-size:.88rem}
.topbar .container{display:flex;justify-content:space-between;gap:20px;padding:8px 0}
.topbar a{color:#fff}
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)
}
.header-main{display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:78px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800}
.brand-mark{
  width:48px;height:48px;border-radius:13px;display:grid;place-items:center;
  color:#fff;background:linear-gradient(135deg,var(--navy),var(--blue));font-size:.9rem;letter-spacing:.05em;
  box-shadow:0 8px 20px rgba(22,117,193,.22)
}
.brand-text strong{display:block;font-size:1.18rem;line-height:1.2;letter-spacing:.02em}
.brand-text span{display:block;font-size:.72rem;color:var(--muted);font-weight:700}
.nav{display:flex;align-items:center;gap:4px}
.nav a{padding:12px 13px;border-radius:10px;font-weight:700;font-size:.94rem}
.nav a:hover,.nav a.active{background:var(--blue-soft);color:var(--blue)}
.nav .nav-cta{background:var(--orange);color:#fff;padding:12px 16px}
.nav .nav-cta:hover{background:#d96b18;color:#fff}
.menu-btn{display:none;border:0;background:var(--blue-soft);color:var(--navy);font-size:1.25rem;border-radius:10px;padding:10px 12px}
.hero{
  position:relative;overflow:hidden;background:
  linear-gradient(105deg,rgba(16,36,61,.98),rgba(24,57,86,.94)),
  repeating-linear-gradient(0deg,transparent,transparent 37px,rgba(255,255,255,.04) 38px),
  repeating-linear-gradient(90deg,transparent,transparent 37px,rgba(255,255,255,.04) 38px);
  color:#fff
}
.hero:after{
  content:"";position:absolute;right:-120px;top:-110px;width:480px;height:480px;border:1px solid rgba(255,255,255,.14);
  transform:rotate(25deg);border-radius:70px
}
.hero .container{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding:78px 0 72px}
.kicker{font-size:.9rem;font-weight:800;letter-spacing:.12em;color:#9bd3fb;text-transform:uppercase}
.hero h1{font-size:clamp(2.2rem,5vw,4.5rem);line-height:1.12;margin:12px 0 20px;letter-spacing:-.03em}
.hero h1 em{font-style:normal;color:#74c2fa}
.hero p{font-size:1.08rem;color:#d7e6f1;max-width:720px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:50px;
  padding:12px 22px;border-radius:12px;font-weight:800;border:1px solid transparent;transition:.2s
}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{transform:translateY(-1px);background:#dc6f1b}
.btn-outline{border-color:rgba(255,255,255,.45);color:#fff;background:rgba(255,255,255,.05)}
.btn-outline:hover{background:rgba(255,255,255,.12)}
.btn-blue{background:var(--blue);color:#fff}
.btn-light{background:#fff;color:var(--navy);border-color:var(--line)}
.hero-panel{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:24px;padding:28px;
  box-shadow:0 24px 54px rgba(0,0,0,.18)
}
.hero-panel-title{font-weight:800;font-size:1.12rem;margin-bottom:18px}
.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.metric{background:rgba(255,255,255,.08);border-radius:14px;padding:16px}
.metric strong{display:block;font-size:1.12rem}
.metric span{display:block;color:#c6d8e5;font-size:.82rem}
.section{padding:76px 0}
.section.alt{background:var(--bg)}
.section-head{max-width:760px;margin-bottom:34px}
.section-head .eyebrow{font-size:.78rem;color:var(--blue);font-weight:900;letter-spacing:.12em}
.section-head h2{font-size:clamp(1.8rem,3vw,2.8rem);line-height:1.25;margin:8px 0 12px}
.section-head p{color:var(--muted);margin:0}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  box-shadow:0 8px 24px rgba(16,36,61,.05)
}
.card-icon{
  width:48px;height:48px;border-radius:13px;background:var(--blue-soft);color:var(--blue);
  display:grid;place-items:center;font-weight:900;margin-bottom:18px
}
.card h3{margin:0 0 8px;font-size:1.18rem}
.card p{margin:0;color:var(--muted)}
.card ul{padding-left:1.15em;margin:14px 0 0}
.card li{margin:.35em 0}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{position:relative;padding:24px;background:#fff;border:1px solid var(--line);border-radius:16px}
.step:before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  display:block;color:var(--blue);font-weight:900;font-size:1.35rem;margin-bottom:10px
}
.band{background:linear-gradient(135deg,var(--blue),var(--navy-2));color:#fff;border-radius:28px;padding:42px}
.band-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
.band h2{margin:0 0 8px;font-size:clamp(1.55rem,3vw,2.25rem)}
.band p{margin:0;color:#dce9f3}
.page-hero{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;padding:64px 0}
.page-hero h1{font-size:clamp(2rem,4vw,3.4rem);margin:8px 0 10px}
.page-hero p{color:#d8e5ee;max-width:760px}
.breadcrumb{font-size:.82rem;color:#bcd0dd}
.product-table{width:100%;border-collapse:collapse;background:#fff;border-radius:16px;overflow:hidden;border:1px solid var(--line)}
.product-table th,.product-table td{padding:16px;border-bottom:1px solid var(--line);vertical-align:top}
.product-table th{width:28%;text-align:left;background:#f2f7fa;color:var(--navy)}
.notice{padding:18px 20px;border-radius:14px;background:#fff8ef;border:1px solid #f7d7b5;color:#694523}
.form-wrap{display:grid;grid-template-columns:1fr .62fr;gap:28px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:18px}
label{display:block;font-weight:800;margin-bottom:7px}
.required{font-size:.72rem;background:#d84a35;color:#fff;border-radius:5px;padding:2px 6px;margin-left:6px}
input,select,textarea{
  width:100%;border:1px solid #cbd8e1;border-radius:10px;padding:12px 13px;font:inherit;background:#fff;color:var(--ink)
}
textarea{min-height:160px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:3px solid rgba(22,117,193,.13);border-color:var(--blue)}
.checkline{display:flex;gap:9px;align-items:flex-start;font-size:.9rem;color:var(--muted)}
.checkline input{width:auto;margin-top:5px}
.side-info{background:var(--navy);color:#fff;border-radius:20px;padding:28px}
.side-info h3{margin-top:0}
.side-info p,.side-info li{color:#dce7ef}
.info-list{list-style:none;padding:0;margin:0}
.info-list li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.company-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:30px}
.company-message{background:linear-gradient(145deg,var(--blue-soft),#fff);border:1px solid var(--line);border-radius:22px;padding:32px}
.company-table{width:100%;border-collapse:collapse}
.company-table th,.company-table td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left}
.company-table th{width:30%;color:var(--navy)}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin-bottom:12px}
.faq summary{font-weight:800;cursor:pointer}
.faq p{color:var(--muted)}
.footer{background:#0b1a2b;color:#cbd8e1;padding:48px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(2,1fr);gap:30px}
.footer h4{color:#fff;margin:0 0 14px}
.footer a{display:block;padding:4px 0;color:#cbd8e1}
.footer-bottom{border-top:1px solid rgba(255,255,255,.11);margin-top:34px;padding-top:18px;font-size:.82rem}
.small{font-size:.86rem;color:var(--muted)}
.tag{display:inline-flex;padding:5px 9px;background:var(--blue-soft);color:var(--blue);font-size:.78rem;font-weight:800;border-radius:999px;margin:3px}
.checks{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:18px}
.check{background:#f4f8fb;border-radius:10px;padding:11px 12px;font-weight:700;font-size:.9rem}
@media(max-width:900px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:20px;right:20px;top:72px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:16px;padding:10px;flex-direction:column;align-items:stretch}
  .nav.open{display:flex}
  .nav a{padding:12px 14px}
  .hero .container,.form-wrap,.company-grid{grid-template-columns:1fr}
  .hero .container{padding:58px 0}
  .grid-3{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:620px){
  .container{width:min(100% - 26px,1160px)}
  .topbar .container{display:block;text-align:center}
  .topbar .container span:last-child{display:none}
  .header-main{min-height:68px}
  .brand-mark{width:42px;height:42px}
  .brand-text strong{font-size:1rem}
  .hero h1{font-size:2.3rem}
  .grid-3,.grid-2,.steps,.footer-grid,.form-row,.metric-grid,.checks{grid-template-columns:1fr}
  .section{padding:56px 0}
  .band{padding:30px 22px}
  .band-inner{display:block}
  .band .btn{margin-top:20px;width:100%}
  .product-table th,.product-table td{display:block;width:100%}
  .product-table th{border-bottom:0;padding-bottom:5px}
  .product-table td{padding-top:6px}
}