:root{--navy:#0f2742;--blue:#1f5fbf;--accent:#e8a33d;--bg:#f6f8fb;--text:#1d2733;--muted:#64748b;--line:#e2e8f0}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic",Meiryo,sans-serif;color:var(--text);line-height:1.8;background:#fff}
a{color:inherit}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header{position:sticky;top:0;background:rgba(255,255,255,.95);backdrop-filter:blur(6px);border-bottom:1px solid var(--line);z-index:10}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:800;letter-spacing:.08em;color:var(--navy);text-decoration:none;font-size:20px}
.logo span{color:var(--accent)}
nav a{margin-left:24px;text-decoration:none;font-size:14px;color:var(--navy)}
nav a:hover{color:var(--blue)}
.hero{background:linear-gradient(135deg,var(--navy),#1b4a86);color:#fff;padding:120px 0 110px}
.hero p.en{letter-spacing:.3em;font-size:13px;color:var(--accent);margin-bottom:16px}
.hero h1{font-size:clamp(28px,5vw,46px);line-height:1.5;margin-bottom:20px}
.hero p.lead{max-width:560px;opacity:.9}
section{padding:88px 0}
section.alt{background:var(--bg)}
.sec-title{text-align:center;margin-bottom:48px}
.sec-title small{display:block;color:var(--blue);letter-spacing:.25em;font-size:12px;font-weight:700}
.sec-title h2{font-size:28px;color:var(--navy);margin-top:4px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:32px 28px}
.card h3{color:var(--navy);margin-bottom:10px;font-size:18px}
.card p{color:var(--muted);font-size:15px}
.card .num{color:var(--accent);font-weight:800;font-size:14px;letter-spacing:.1em}
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;list-style:none}
.steps li{background:#fff;border-radius:12px;padding:24px 20px;border:1px solid var(--line);font-size:15px;position:relative}
.steps li::before{counter-increment:s;content:"STEP " counter(s);display:block;color:var(--blue);font-weight:800;font-size:12px;letter-spacing:.1em;margin-bottom:6px}
.steps b{display:block;color:var(--navy);margin-bottom:4px}
.sub{font-size:18px;color:var(--navy);margin:0 0 20px;text-align:center}
table{width:100%;border-collapse:collapse;max-width:760px;margin:0 auto}
th,td{padding:18px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-size:15px}
th{width:200px;color:var(--navy);font-weight:700;background:var(--bg)}
footer{background:var(--navy);color:#cbd5e1;text-align:center;padding:36px 0;font-size:13px}
footer a{margin:0 10px}
.prose{max-width:760px;margin:0 auto;padding:64px 20px}
.prose h1{color:var(--navy);margin-bottom:24px}
.prose h2{color:var(--navy);font-size:18px;margin:32px 0 8px}
.prose p,.prose li{font-size:15px}
.prose ul{padding-left:1.4em}
@media(max-width:640px){nav a{margin-left:14px;font-size:13px}th,td{display:block;width:100%}th{border-bottom:0;padding-bottom:6px}.hero{padding:80px 0}}