:root{--navy:#07182e;--blue:#0b6b9a;--cyan:#58c8ef;--ink:#172233;--muted:#607184;--line:#dce5eb;--bg:#f5f8fa;--white:#fff;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;color:var(--ink);line-height:1.8;background:#fff}a{color:inherit}.container{width:min(var(--max),calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{text-decoration:none;font-size:19px;font-weight:800;letter-spacing:.04em;color:var(--navy)}.brand small{display:block;font-size:10px;letter-spacing:.16em;color:var(--blue)}nav{display:flex;gap:26px;align-items:center}nav a{text-decoration:none;font-size:14px;font-weight:700}nav .contact-link{padding:10px 18px;background:var(--blue);color:#fff;border-radius:999px}.hero{min-height:650px;display:flex;align-items:center;color:#fff;background:linear-gradient(90deg,rgba(7,24,46,.98) 0%,rgba(7,24,46,.86) 48%,rgba(7,24,46,.3) 100%),url('hero.svg') center/cover}.hero-content{max-width:770px;padding:90px 0}.eyebrow{color:#8ddfff;font-weight:800;letter-spacing:.14em;font-size:13px;text-transform:uppercase}.hero h1{font-size:clamp(38px,5vw,68px);line-height:1.25;margin:15px 0 22px;letter-spacing:.02em}.hero p{font-size:18px;max-width:680px}.buttons{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}.btn{display:inline-block;text-decoration:none;padding:13px 24px;border-radius:8px;background:var(--blue);color:#fff;font-weight:800}.btn.secondary{background:#fff;color:var(--navy)}section{padding:90px 0}.section-head{max-width:760px;margin-bottom:42px}.section-head h2,.page-hero h1{font-size:clamp(30px,4vw,48px);line-height:1.35;margin:10px 0 14px;color:var(--navy)}.section-head p{color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.card{border:1px solid var(--line);background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 14px 35px rgba(23,34,51,.06)}.card img{width:100%;height:210px;object-fit:cover;display:block}.card-body{padding:26px}.card h3{margin:0 0 10px;color:var(--navy);font-size:21px}.card p{margin:0;color:var(--muted)}.alt{background:var(--bg)}.split{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}.split img{width:100%;border-radius:20px;box-shadow:0 18px 45px rgba(0,0,0,.12)}.checklist{padding:0;list-style:none}.checklist li{padding:13px 0 13px 34px;border-bottom:1px solid var(--line);position:relative}.checklist li:before{content:'✓';position:absolute;left:0;color:var(--blue);font-weight:900}.cta{background:var(--navy);color:#fff;border-radius:22px;padding:50px;text-align:center}.cta h2{font-size:34px;margin:0 0 12px}.page-hero{padding:90px 0;background:linear-gradient(90deg,#eef8fd,#fff)}.page-hero p{max-width:760px;color:var(--muted)}.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.step{padding:26px;background:#fff;border:1px solid var(--line);border-radius:14px}.step:before{counter-increment:s;content:'0' counter(s);display:block;color:var(--cyan);font-weight:900;font-size:28px}.step h3{margin:8px 0}.company-table{width:100%;border-collapse:collapse}.company-table th,.company-table td{padding:18px;border-bottom:1px solid var(--line);text-align:left}.company-table th{width:28%;color:var(--navy);background:#f7fafc}.mail-box{padding:28px;border:1px solid var(--line);border-radius:16px;background:#fff}.mail-address{font-size:22px;font-weight:800;color:var(--blue);word-break:break-all}.site-footer{background:#061425;color:#dbe8f0;padding:55px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:30px}.footer-nav{display:flex;gap:18px;flex-wrap:wrap}.footer-nav a{text-decoration:none}.copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:34px;padding-top:22px;font-size:12px;color:#93a7b4}.mobile-menu{display:none}@media(max-width:850px){nav{display:none}.mobile-menu{display:block;font-size:13px}.hero{min-height:560px;background-position:63% center}.grid,.steps,.split,.footer-grid{grid-template-columns:1fr}.split{gap:30px}.company-table th,.company-table td{display:block;width:100%}.company-table th{padding-bottom:6px}.company-table td{padding-top:8px}.cta{padding:36px 22px}section{padding:68px 0}}