*{box-sizing:border-box}:root{--bg:#fff;--text:#15171a;--muted:#f4f6f8;--line:#dfe3e8;--accent:#1f5eff;--accent-dark:#1748c8;--sub:#5d6673;--radius:18px;--shadow:0 10px 30px rgba(20,30,50,.08)}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;color:var(--text);background:var(--bg);line-height:1.75}a{color:inherit}.container{width:min(1120px,calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:16px}.brand{font-weight:800;text-decoration:none;font-size:14px}.header-cta{font-size:13px;font-weight:700;color:var(--accent);text-decoration:none}.hero{padding:86px 0 72px;background:linear-gradient(180deg,#f7f9ff 0%,#fff 100%)}.hero-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(280px,.7fr);gap:48px;align-items:center}.eyebrow{font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin:0 0 12px}h1{font-size:clamp(38px,6vw,68px);line-height:1.15;letter-spacing:-.04em;margin:0 0 24px}h2{font-size:clamp(28px,4vw,44px);line-height:1.28;letter-spacing:-.025em;margin:0 0 28px}h3{font-size:19px;line-height:1.4;margin:0 0 10px}p{margin:0 0 16px}.lead{font-size:18px;color:var(--sub);max-width:760px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 10px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 20px;border-radius:12px;font-weight:800;text-decoration:none;border:1px solid transparent;transition:.2s}.btn.primary{background:var(--accent);color:#fff}.btn.primary:hover{background:var(--accent-dark)}.btn.secondary{background:#fff;border-color:var(--line)}.btn.large{min-height:56px;padding:15px 26px}.micro{font-size:12px;color:var(--sub)}.hero-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}.hero-card ul{margin:10px 0 0;padding-left:1.2em}.card-kicker{font-size:12px;font-weight:800;color:var(--sub);letter-spacing:.06em}.section{padding:78px 0}.section.muted{background:var(--muted)}.cards{display:grid;gap:18px}.cards.three{grid-template-columns:repeat(3,1fr)}.cards.two{grid-template-columns:repeat(2,1fr)}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}.card p{color:var(--sub);margin:0}.steps{display:grid;gap:14px}.steps article{display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;padding:22px 0;border-top:1px solid var(--line)}.steps article:last-child{border-bottom:1px solid var(--line)}.steps span{display:flex;width:46px;height:46px;border-radius:50%;background:#eef3ff;color:var(--accent);align-items:center;justify-content:center;font-weight:800}.steps p{color:var(--sub);margin:0}.process{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;list-style:none;padding:0;margin:0}.process li{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:#fff}.process strong,.process span{display:block}.process span{font-size:14px;color:var(--sub);margin-top:8px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:48px}.check-list,.plain-list{margin:0;padding-left:1.2em}.check-list li,.plain-list li{margin:9px 0}.contact-box{display:grid;grid-template-columns:1.4fr .6fr;gap:36px;align-items:center;background:#111827;color:#fff;border-radius:24px;padding:44px}.contact-box .eyebrow{color:#8fb0ff}.contact-box .micro{color:#b9c0ca}.footer{border-top:1px solid var(--line);padding:30px 0 40px}.footer p{margin:0}@media(max-width:800px){.container{width:min(100% - 28px,1120px)}.hero{padding:58px 0 48px}.hero-grid,.grid-2,.contact-box{grid-template-columns:1fr}.cards.three,.cards.two,.process{grid-template-columns:1fr}.hero-card{padding:22px}.section{padding:56px 0}.contact-box{padding:28px}h1{font-size:40px}.header-cta{display:none}}