:root{
  --navy:#05265e;--blue:#1265a8;--sky:#eaf6ff;--ink:#12233b;--muted:#617188;
  --line:#d8e4ef;--white:#fff;--gold:#9b6b20;--shadow:0 18px 48px rgba(5,38,94,.11);
  --radius:18px;--max:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;line-height:1.78}
img{max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
.container{width:min(calc(100% - 36px),var(--max));margin:auto}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:#fff;padding:10px;z-index:999}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(216,228,239,.85)}
.header-inner{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--navy)}
.brand img{width:54px;height:54px;object-fit:cover}
.brand small{display:block;font-size:.68rem;letter-spacing:.14em;color:var(--muted)}
.nav{display:flex;align-items:center;gap:22px;font-size:.84rem;font-weight:700;letter-spacing:.06em}
.nav a{padding:28px 0 25px;border-bottom:3px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{color:var(--blue);border-color:var(--blue)}

.nav-item{position:relative}
.nav-parent-row{display:flex;align-items:center}
.nav-parent-link{white-space:nowrap}
.submenu-toggle{
  display:inline-grid;place-items:center;width:28px;height:28px;margin-left:3px;
  border:0;background:transparent;color:var(--navy);font-size:.64rem;cursor:pointer;
  border-radius:6px;transition:transform .2s ease,background .2s ease
}
.submenu-toggle:hover,.submenu-toggle:focus-visible{background:var(--sky);outline:2px solid transparent}
.has-sub.submenu-open .submenu-toggle{transform:rotate(180deg)}
.submenu{
  position:absolute;top:66px;left:-18px;min-width:230px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  pointer-events:none;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow);padding:10px;border-radius:12px;
  transition:opacity .18s ease,transform .18s ease,visibility .18s ease
}
.has-sub:hover .submenu,.has-sub:focus-within .submenu,.has-sub.submenu-open .submenu{
  opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto
}
.submenu a{
  display:block;padding:11px 12px!important;border:0!important;border-radius:8px;
  font-size:.84rem;letter-spacing:.03em;white-space:nowrap
}
.submenu a:hover,.submenu a:focus-visible{background:var(--sky);color:var(--blue)}

.menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:9px;padding:9px 11px;font-weight:700}
.hero{position:relative;min-height:650px;display:grid;align-items:center;overflow:hidden;background:linear-gradient(110deg,#fff 0%,#f8fcff 48%,#d9efff 100%)}
.hero:after{content:"";position:absolute;inset:0;background:url('../images/og-jbd-v2.jpg') center/cover no-repeat;opacity:.17}
.hero-content{position:relative;z-index:2;padding:82px 0;max-width:650px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--blue);font-size:.78rem;font-weight:800;letter-spacing:.18em;text-transform:uppercase}
.eyebrow:before{content:"";width:34px;height:2px;background:var(--blue)}
h1,h2,h3{line-height:1.25;margin-top:0}
.hero h1{font-family:"Noto Serif JP","Yu Mincho",serif;font-size:clamp(3.2rem,7vw,6.2rem);color:var(--navy);margin:.22em 0}
.hero p{font-size:1.16rem;max-width:570px}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 24px;border-radius:999px;font-weight:800;border:1px solid var(--navy)}
.btn-primary{background:var(--navy);color:#fff}.btn-light{background:#fff;color:var(--navy)}
.stats{margin-top:-54px;position:relative;z-index:4}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
.stat{padding:27px;text-align:center;border-right:1px solid var(--line)}.stat:last-child{border-right:0}
.stat strong{display:block;color:var(--navy);font-family:Georgia,serif;font-size:2.15rem}.stat span{font-size:.82rem;color:var(--muted)}
.section{padding:92px 0}.section-soft{background:#f6fbff}.section-dark{background:var(--navy);color:#fff}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:40px}
.section-head h2{font-size:clamp(2rem,4vw,3rem);color:var(--navy);margin:.2em 0}
.section-dark .section-head h2{color:#fff}
.section-head p{max-width:570px;color:var(--muted)}.section-dark .section-head p{color:#c8d8ef}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:0 8px 25px rgba(5,38,94,.055)}
.card h3{color:var(--navy);font-size:1.25rem}.card p{color:var(--muted)}
.card-link{display:inline-flex;margin-top:12px;color:var(--blue);font-weight:800}
.icon{width:50px;height:50px;border-radius:14px;background:var(--sky);display:grid;place-items:center;color:var(--navy);font-weight:900;margin-bottom:20px;font-size:1.2rem}
.page-hero{padding:92px 0 68px;background:linear-gradient(125deg,#edf8ff,#fff 55%);border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(2.5rem,5vw,4.6rem);color:var(--navy);margin:.15em 0}
.breadcrumb{font-size:.78rem;color:var(--muted)}
.two-col{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start}
.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:25px}
.feature{border-left:4px solid var(--blue);background:#f8fbfd;padding:18px 20px}
.kpi-band{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.25);border:1px solid rgba(255,255,255,.25)}
.kpi-band div{padding:30px;text-align:center;background:rgba(255,255,255,.06)}.kpi-band strong{display:block;font-size:2.4rem}
.brand-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.brand-card{min-height:230px;border:1px solid var(--line);border-radius:18px;padding:28px;display:flex;flex-direction:column;justify-content:space-between;background:#fff}
.wordmark{font-size:1.8rem;font-weight:900;letter-spacing:.03em;color:var(--navy)}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:15px}
table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:17px 20px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}th{width:230px;background:#f5f9fc;color:var(--navy)}
.notice{padding:20px 24px;background:#f5f9fc;border-left:4px solid var(--blue);border-radius:0 12px 12px 0}
.faq details{border-bottom:1px solid var(--line);padding:20px 0}.faq summary{font-weight:800;color:var(--navy);cursor:pointer}
.contact-form{display:grid;gap:18px}.field{display:grid;gap:7px}.field label{font-weight:800}.field input,.field textarea,.field select{width:100%;padding:14px;border:1px solid #bdcbd8;border-radius:9px;font:inherit}.field textarea{min-height:180px}
.footer{background:#031c48;color:#dbe7f7;padding:55px 0 28px}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px}.footer h3{color:#fff}.footer a{color:#dbe7f7}.footer-bottom{border-top:1px solid rgba(255,255,255,.18);margin-top:38px;padding-top:22px;font-size:.8rem;color:#aabbd2}
@media(max-width:900px){
 .menu-btn{display:block}.nav{display:none;position:absolute;top:78px;left:0;right:0;background:#fff;padding:14px 18px 20px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:0;max-height:calc(100vh - 78px);overflow:auto}
 .nav.open{display:flex}.nav>a,.nav-parent-link{padding:13px 10px!important;border-bottom:1px solid var(--line)!important}
 .nav-item{width:100%}.nav-parent-row{width:100%;border-bottom:1px solid var(--line)}
 .nav-parent-row .nav-parent-link{flex:1;border-bottom:0!important}
 .submenu-toggle{width:44px;height:44px;margin:0;font-size:.72rem}
 .submenu{position:static;min-width:0;max-height:0;overflow:hidden;opacity:1;visibility:visible;transform:none;pointer-events:auto;box-shadow:none;border:0;padding:0 0 0 14px;border-radius:0;transition:max-height .25s ease,padding .25s ease}
 .has-sub:hover .submenu,.has-sub:focus-within .submenu{max-height:0}
 .has-sub.submenu-open .submenu{max-height:260px;padding-top:6px;padding-bottom:6px}
 .submenu a{padding:11px 12px!important;border-bottom:1px solid #edf2f7!important}
 .hero{min-height:610px}.stats-grid,.cards,.brand-grid{grid-template-columns:repeat(2,1fr)}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
 .two-col,.footer-grid{grid-template-columns:1fr}
}
@media(max-width:600px){
 .container{width:min(calc(100% - 24px),var(--max))}.brand span{display:none}.hero h1{font-size:3.25rem}.hero-content{padding:65px 0 95px}
 .stats{margin-top:-65px}.stats-grid,.cards,.brand-grid,.feature-list,.kpi-band{grid-template-columns:1fr}.stat{border-right:0;border-bottom:1px solid var(--line)}
 .section{padding:68px 0}.section-head{display:block}th{width:120px}.page-hero{padding:65px 0 48px}
}