:root{--navy:#102a43;--blue:#1769aa;--sky:#eaf5ff;--teal:#087e8b;--ink:#243447;--muted:#5d6b78;--line:#dce5ed;--paper:#fff;--soft:#f5f8fb;--accent:#f5a623;--radius:18px;--shadow:0 12px 32px rgba(16,42,67,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI","Noto Sans JP",sans-serif;color:var(--ink);line-height:1.8;background:#fff}a{color:var(--blue);text-underline-offset:3px}a:hover{opacity:.82}img,svg{max-width:100%;height:auto}.container{width:min(1120px,calc(100% - 36px));margin:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:white;padding:10px;z-index:99}.site-header{position:sticky;top:0;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);z-index:20}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px}.brand{font-weight:800;color:var(--navy);text-decoration:none;line-height:1.25}.brand small{display:block;color:var(--muted);font-size:.68rem;letter-spacing:.08em}.nav{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.nav a{font-size:.92rem;font-weight:650;text-decoration:none;color:var(--ink)}.nav a[aria-current=page]{color:var(--blue)}.menu-toggle{display:none;border:1px solid var(--line);background:white;border-radius:10px;padding:8px 12px;font:inherit}.hero{background:linear-gradient(120deg,#eaf5ff 0%,#f7fbff 58%,#e9f8f5 100%);padding:76px 0 66px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}.eyebrow{font-size:.78rem;letter-spacing:.16em;font-weight:800;color:var(--teal)}h1,h2,h3{line-height:1.35;color:var(--navy)}h1{font-size:clamp(2rem,5vw,3.35rem);margin:.35em 0}h2{font-size:clamp(1.55rem,3vw,2.15rem);margin:0 0 18px}h3{font-size:1.15rem;margin:0 0 8px}p{margin:.5em 0 1em}.lead{font-size:1.12rem;color:#40566b;max-width:680px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:999px;background:var(--blue);color:#fff;text-decoration:none;font-weight:750;border:2px solid var(--blue)}.btn.secondary{background:#fff;color:var(--blue)}.btn.dark{background:var(--navy);border-color:var(--navy)}.hero-art{background:#fff;border-radius:28px;padding:22px;box-shadow:var(--shadow)}.section{padding:68px 0}.section.soft{background:var(--soft)}.section-head{max-width:720px;margin-bottom:28px}.section-head p{color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid.two{grid-template-columns:repeat(2,1fr)}.card{border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:white;box-shadow:0 4px 16px rgba(16,42,67,.035)}.card p{color:var(--muted);margin-bottom:0}.icon{font-size:1.9rem;display:block;margin-bottom:10px}.card-link{display:inline-block;margin-top:14px;font-weight:750;text-decoration:none}.pill{display:inline-block;background:var(--sky);color:var(--blue);border-radius:999px;padding:4px 11px;font-size:.8rem;font-weight:750}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:step}.step{padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.step:before{counter-increment:step;content:counter(step);display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--blue);color:white;font-weight:800;margin-bottom:14px}.notice{padding:16px 18px;border-left:4px solid var(--accent);background:#fff8e9;border-radius:8px;color:#604a21}.cta{background:var(--navy);color:#fff;padding:38px;border-radius:24px;display:flex;justify-content:space-between;align-items:center;gap:24px}.cta h2,.cta p{color:#fff}.cta h2{margin-bottom:8px}.cta p{opacity:.86}.cta .btn{background:#fff;color:var(--navy);border-color:#fff}.price-table{width:100%;border-collapse:collapse;background:white;border:1px solid var(--line);border-radius:12px;overflow:hidden}.price-table th,.price-table td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}.price-table th{background:#edf5fb;color:var(--navy)}.price-table td:last-child,.price-table th:last-child{white-space:nowrap;font-weight:700}.table-wrap{overflow-x:auto;margin:18px 0 32px}.faq details{border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:#fff;margin:10px 0}.faq summary{cursor:pointer;font-weight:750;color:var(--navy)}.contact-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.contact-item{padding:20px;border:1px solid var(--line);border-radius:14px;background:#fff}.contact-item strong{display:block;color:var(--navy);font-size:1.1rem}.site-footer{background:#0c2033;color:#dce8f2;padding:36px 0;margin-top:60px}.site-footer a{color:#dce8f2}.footer-inner{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}.footer-links{display:flex;gap:14px;flex-wrap:wrap}.small{font-size:.88rem;color:var(--muted)}.breadcrumb{padding:16px 0;color:var(--muted);font-size:.9rem}.page-hero{padding:48px 0 36px;background:var(--sky)}.page-hero p{max-width:760px;color:#40566b}.list-check{padding-left:1.2em}.list-check li{margin:.45em 0}.video-placeholder{border-radius:18px;background:#102a43;color:white;padding:50px 20px;text-align:center}.video-placeholder .play{font-size:3rem}.form-note{background:#eef8f7;padding:16px;border-radius:12px}.backtop{display:inline-block;margin-top:18px}
@media(max-width:800px){.hero-grid{grid-template-columns:1fr}.grid{grid-template-columns:repeat(2,1fr)}.header-inner{min-height:68px}.menu-toggle{display:block}.nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:18px;box-shadow:var(--shadow)}.nav.open{display:flex;flex-direction:column;align-items:flex-start}.cta{display:block}.cta .btn{margin-top:12px}}
@media(max-width:560px){.grid,.grid.two,.steps,.contact-list{grid-template-columns:1fr}.hero{padding:48px 0}.section{padding:48px 0}.cta{padding:26px}.price-table th,.price-table td{padding:10px;font-size:.92rem}}