:root{--ink:#1f2937;--paper:#f4f7fb;--card:#fff;--line:#d8e2ee;--acc:#0056d2;--acc2:#0a7dff;--mut:#5b6b7c;--maxw:1120px;}
*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:"Hiragino Kaku Gothic ProN","Noto Sans JP",system-ui,sans-serif;line-height:1.75}
a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
header.site{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.top{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{font-weight:900;color:var(--acc);font-size:1.5rem}
nav.main{display:flex;gap:20px;align-items:center;font-size:.95rem}
nav.main a{padding:6px 2px;border-bottom:2px solid transparent;font-weight:700;color:#33475c}
nav.main a:hover,nav.main a.active{color:var(--acc);border-color:var(--acc)}
.nav-toggle{display:none;background:none;border:0;font-size:1.6rem;cursor:pointer}
.btn{display:inline-block;background:var(--acc);color:#fff;padding:12px 28px;border-radius:999px;font-weight:700;transition:transform .15s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(0,86,210,.28)}
.btn.ghost{background:#fff;color:var(--acc);border:1.5px solid var(--acc)}
.btn.sm{padding:8px 16px;font-size:.85rem}
.hero{padding:76px 0 60px;background:linear-gradient(135deg,#003a8c 0%,#0a7dff 100%);color:#fff;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border:34px solid rgba(255,255,255,.08);border-radius:50%}
.hero .wrap{position:relative;z-index:2}
.hero .eyebrow{display:inline-block;background:rgba(255,255,255,.2);padding:5px 14px;border-radius:999px;font-size:.8rem;letter-spacing:.16em;font-weight:700}
.hero h1{font-size:clamp(2.2rem,5.6vw,3.5rem);line-height:1.1;font-weight:900;margin:16px 0}
.hero p{color:rgba(255,255,255,.92);font-size:1.07rem;max-width:680px}
.hero .cta-row{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}
.hero .btn{background:#fff;color:var(--acc)}
.hero .btn.ghost{background:transparent;color:#fff;border:1.5px solid #fff}
.statrow{margin-top:36px;display:flex;gap:34px;flex-wrap:wrap}
.stat b{font-size:1.7rem;font-weight:900;display:block;color:#fff}
.stat span{font-size:.85rem;color:rgba(255,255,255,.85)}
section.blk{padding:60px 0}
section.blk.alt{background:#e9f0fa}
h2.sec{font-size:1.7rem;font-weight:900;margin-bottom:10px;color:var(--acc)}
p.sec-sub{color:var(--mut);margin-bottom:30px;max-width:660px}
.grid{display:grid;gap:20px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px;box-shadow:0 6px 18px rgba(20,60,110,.05)}
.card h3{font-size:1.12rem;margin-bottom:8px;color:var(--acc)}
.card p{color:#44566a;font-size:.95rem}
.card .tag{display:inline-block;background:#e4f0ff;color:var(--acc);font-size:.78rem;font-weight:700;padding:3px 11px;border-radius:999px;margin-bottom:10px}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:start}
.panel{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px}
.pline{padding:12px 0;border-bottom:1px dashed var(--line);font-size:.95rem}
.pline:last-child{border-bottom:0}.pline b{display:block;color:var(--acc)}
.narrow{max-width:820px!important}
.note{background:#eef4fb;border-left:4px solid var(--acc2);padding:16px 20px;border-radius:8px;color:#44566a;font-size:.92rem;margin-top:26px}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}
.chips a,.chips span{background:#fff;border:1px solid var(--line);padding:7px 15px;border-radius:999px;color:var(--acc);font-weight:600;font-size:.88rem}
.chips a:hover{background:var(--acc);color:#fff;border-color:var(--acc)}
.cta-card{background:linear-gradient(120deg,var(--acc),var(--acc2));color:#fff;border-radius:18px;padding:44px 38px;text-align:center}
.cta-card h2{color:#fff;font-size:1.5rem;font-weight:900}
.cta-card p{color:rgba(255,255,255,.9);margin:10px 0 24px}
.cta-card .btn{background:#fff;color:var(--acc)}
.phead{padding:54px 0 30px;border-bottom:1px solid var(--line);background:#fff}
.phead h1{font-size:clamp(1.9rem,4.4vw,2.9rem);color:var(--acc);font-weight:900;line-height:1.15}
.lede{margin-top:16px;max-width:700px;color:#44566a;font-size:1.05rem}
.crumb{font-size:.85rem;color:var(--mut);margin-bottom:16px}.crumb a{color:var(--acc)}
table.tb{width:100%;border-collapse:collapse;font-size:.95rem;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.tb th,.tb td{padding:13px 16px;border-bottom:1px solid var(--line);text-align:left}
.tb th{background:#e4f0ff;font-weight:800}
.faqwrap{display:flex;flex-direction:column;gap:12px}
.faq{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.faq summary{padding:18px 22px;cursor:pointer;font-weight:700;color:var(--acc);list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq .a{padding:4px 22px 18px;color:#44566a;font-size:.95rem}
footer.site{border-top:1px solid var(--line);margin-top:60px;padding:40px 0 34px;color:var(--mut);font-size:.9rem;background:#fff}
.ft{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.ft nav{display:flex;gap:18px;flex-wrap:wrap}
@media(max-width:820px){
 .g3{grid-template-columns:1fr}.g2{grid-template-columns:1fr}.split{grid-template-columns:1fr}
 .nav-toggle{display:block}
 nav.main{position:fixed;top:66px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:18px 24px;gap:15px;border-bottom:1px solid var(--line);display:none}
 nav.main.open{display:flex}
 .hero{padding:52px 0 44px}
}