:root{
  --navy:#062b5f;
  --navy2:#041d40;
  --blue:#0b67b2;
  --sky:#eaf6ff;
  --green:#22745a;
  --gold:#b99645;
  --ink:#102033;
  --muted:#627083;
  --bg:#f6f9fc;
  --line:#dbe7f2;
  --white:#fff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Hiragino Sans","Yu Gothic",Arial,sans-serif;color:var(--ink);line-height:1.85;background:#fff}
a{color:inherit}
img{max-width:100%}
.header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 36px;
}
.logo{width:420px;max-width:42vw;display:block}
.nav{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end}
.nav a{text-decoration:none;font-weight:800;font-size:14px;color:var(--ink);white-space:nowrap}
.nav a:hover{color:var(--blue)}
.lang{font-size:13px;color:var(--navy);font-weight:800}
.btn{display:inline-block;text-decoration:none;background:var(--navy);color:#fff!important;border:1px solid var(--navy);border-radius:999px;padding:10px 20px;font-weight:800}
.btn.white{background:#fff;color:var(--navy)!important}
.hero{
  min-height:620px;position:relative;display:flex;align-items:center;overflow:hidden;
  background:
    linear-gradient(90deg,rgba(255,255,255,.98) 0%,rgba(255,255,255,.86) 45%,rgba(255,255,255,.48) 100%),
    radial-gradient(circle at 78% 28%,rgba(11,103,178,.22),transparent 36%),
    linear-gradient(135deg,#dff2ff,#fff,#eaf7ff);
}
.hero:before{
  content:"";position:absolute;right:0;bottom:0;width:52%;height:72%;
  background:
    repeating-linear-gradient(90deg,rgba(6,43,95,.10) 0 2px,transparent 2px 34px),
    linear-gradient(135deg,rgba(11,103,178,.20),rgba(6,43,95,.08));
  clip-path:polygon(18% 7%,100% 0,100% 100%,0 100%);
}
.hero:after{content:"＋";position:absolute;right:13%;top:18%;font-size:150px;color:rgba(34,116,90,.14);font-weight:900}
.hero-inner{max-width:1180px;margin:0 auto;padding:86px 28px;position:relative;z-index:1;width:100%}
.eyebrow{display:inline-block;background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 14px;color:var(--green);font-weight:900;letter-spacing:.08em}
h1{font-size:clamp(38px,5vw,68px);line-height:1.18;color:var(--navy);margin:18px 0 10px;letter-spacing:.03em}
.hero-sub{font-family:Georgia,"Times New Roman",serif;color:var(--green);font-weight:700;font-size:clamp(22px,3vw,38px);margin-bottom:22px}
.hero p{max-width:760px;font-size:18px;font-weight:650;margin-bottom:28px}
.actions{display:flex;gap:14px;flex-wrap:wrap}
section{max-width:1180px;margin:0 auto;padding:74px 28px}
.alt{max-width:none;background:var(--bg)}
.alt>.inner{max-width:1180px;margin:0 auto}
h2{font-size:32px;line-height:1.35;color:var(--navy);border-left:7px solid var(--blue);padding-left:16px;margin:0 0 28px}
h3{color:var(--navy);font-size:21px;line-height:1.45;margin:0 0 12px}
.lead,.box,.card{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 12px 30px rgba(6,43,95,.07)}
.lead{padding:34px;font-size:17px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px}
.card{overflow:hidden}
.visual{height:150px;background:linear-gradient(135deg,#e5f5ff,#8fc8ec);display:flex;align-items:center;justify-content:center;color:var(--navy);font-size:44px;font-weight:900}
.body,.box{padding:26px}
.tag{display:inline-block;background:#eaf6ff;color:var(--navy);border:1px solid var(--line);padding:4px 11px;border-radius:999px;font-size:12px;font-weight:900;margin-bottom:12px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
ul{margin:0;padding-left:20px}
li{margin-bottom:8px}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.num{width:40px;height:40px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900;margin-bottom:14px}
.notice{max-width:1180px;margin:0 auto;background:var(--navy);color:#fff;border-radius:8px;overflow:hidden;display:grid;grid-template-columns:140px 140px 1fr}
.notice div{padding:14px 18px}
.notice .label{background:#073a7a;font-weight:900;text-align:center}
table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 10px 28px rgba(6,43,95,.06)}
th,td{padding:17px 18px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{width:28%;background:#eef7ff;color:var(--navy)}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin-bottom:12px;box-shadow:0 8px 22px rgba(6,43,95,.05)}
summary{cursor:pointer;font-weight:900;color:var(--navy)}
input,textarea,select{width:100%;padding:12px;border:1px solid #cbd5e1;border-radius:8px;font:inherit;margin-top:6px}
textarea{min-height:160px}
label{font-weight:800;color:var(--navy)}
.small{font-size:14px;color:var(--muted)}
footer{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;padding:48px 34px 16px}
.foot{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1.25fr 1fr 1fr 1fr;gap:30px}
.flogo{width:360px;max-width:100%;background:#fff;padding:8px;border-radius:8px;margin-bottom:16px}
footer h3{color:#fff}
footer ul{list-style:none;padding:0}
footer a{color:#fff;text-decoration:none}
.copy{text-align:center;border-top:1px solid rgba(255,255,255,.22);margin-top:28px;padding-top:14px;font-size:13px}
@media(max-width:900px){
  .header{position:static;display:block;text-align:center;padding:14px 18px}
  .logo{max-width:90vw;margin:0 auto 12px}
  .nav{justify-content:center}
  .hero{min-height:auto}
  .hero:before,.hero:after{display:none}
  .grid2,.grid3,.foot{grid-template-columns:1fr}
  .notice{grid-template-columns:1fr}
  th,td{display:block;width:100%}
  th{border-bottom:0}
}