:root{--navy: #16384f;--navy-2: #1f4d6b;--teal: #2f9387;--teal-d: #237a70;--ink: #1f2a30;--muted: #5e6e76;--line: #e2e9ec;--bg: #f6f9fa;--card: #ffffff;--max: 1080px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Hiragino Kaku Gothic ProN,Hiragino Sans,Noto Sans JP,Meiryo,sans-serif;color:var(--ink);background:var(--bg);line-height:1.8;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}.site-header{position:sticky;top:0;z-index:50;background:#ffffffeb;backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}.brand{display:flex;align-items:center;gap:12px}.brand-mark{font-weight:800;letter-spacing:1px;color:#fff;background:linear-gradient(135deg,var(--navy),var(--teal));padding:8px 10px;border-radius:8px;font-size:15px}.brand-text{display:flex;flex-direction:column;line-height:1.25}.brand-name{font-size:14px;font-weight:700;color:var(--navy)}.brand-corp{margin-right:.4em}.brand-sub{font-size:10px;letter-spacing:1.5px;color:var(--muted)}.nav{display:flex;align-items:center;gap:4px}.nav-link{padding:8px 14px;font-size:14px;font-weight:600;color:var(--ink);border-radius:6px}.nav-link:hover,.nav-link.is-active{color:var(--teal-d)}.nav-cta{margin-left:8px;padding:9px 18px;font-size:13px;font-weight:700;color:#fff;background:var(--teal);border-radius:999px}.nav-cta:hover{background:var(--teal-d)}.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:0;margin:0;background:transparent;border:none;cursor:pointer}.nav-toggle span{display:block;width:24px;height:2px;margin:0 auto;background:var(--navy);border-radius:2px;transition:transform .25s ease,opacity .2s ease}section{padding:72px 0}.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}.cta .hero-actions{justify-content:center}.btn{display:inline-block;padding:14px 28px;border-radius:999px;font-weight:700;font-size:15px;transition:transform .15s,background .2s}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--teal);color:#fff}.btn-primary:hover{background:var(--teal-d)}.btn-ghost{background:#ffffff1f;color:#fff;border:1px solid rgba(255,255,255,.35)}.btn-light{background:#fff;color:var(--navy)}.btn-outline{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6)}.section-head{text-align:center;margin-bottom:44px}.section-head .en{display:block;font-size:12px;letter-spacing:3px;color:var(--teal-d);font-weight:700}.section-head h2{font-size:28px;color:var(--navy);margin-top:8px}.section-head p{color:var(--muted);margin-top:12px}.site-footer{background:var(--navy);color:#cdd9df;margin-top:40px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;padding:56px 24px 40px}.footer-name{color:#fff;font-weight:700;font-size:16px}.footer-desc{font-size:13px;margin-top:8px;color:#9fb2bb}.footer-nav{display:flex;flex-direction:column;gap:10px;font-size:14px}.footer-nav a:hover{color:#fff}.footer-contact{font-size:14px}.footer-mail{display:inline-block;margin-top:8px;color:#6fcabd;font-weight:700}.footer-copy{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;font-size:12px;color:#8fa4ad}@media(max-width:760px){.brand-name{font-size:12px}.brand-corp{display:block;margin-right:0}.nav-toggle{display:flex}.nav{position:fixed;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#fff;padding:6px 0 12px;border-bottom:1px solid var(--line);box-shadow:0 14px 26px #16384f1a;transform:translateY(-12px);opacity:0;pointer-events:none;transition:transform .22s ease,opacity .22s ease}body.nav-open .nav{transform:translateY(0);opacity:1;pointer-events:auto}.nav-link{padding:15px 24px;font-size:15px;border-radius:0;border-bottom:1px solid var(--line)}.nav-cta{display:block;margin:12px 24px 2px;padding:13px 18px;text-align:center;font-size:14px}body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}body.nav-open .nav-toggle span:nth-child(2){opacity:0}body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}section{padding:52px 0}.footer-grid{grid-template-columns:1fr;gap:24px}}