:root{--red:#e8345a;--red2:#f25f7e;--pink:#fff2f6;--ink:#2e252a;--muted:#746a70;--line:#f0e0e6}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;color:var(--ink);background:#fffafd;line-height:1.8}a{color:var(--red)}.wrap{max-width:940px;margin:auto;padding:0 22px}.top{position:sticky;top:0;z-index:20;background:rgba(255,250,253,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.top .wrap{height:72px;display:flex;align-items:center;justify-content:space-between}.brand img{height:38px;width:auto}.cta{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:999px;background:linear-gradient(135deg,var(--red2),var(--red));color:#fff;text-decoration:none;font-weight:800;box-shadow:0 8px 20px rgba(232,52,90,.2)}.hero{padding:74px 0 50px;text-align:center}.eyebrow{font-size:12px;font-weight:900;letter-spacing:.13em;color:var(--red)}h1{font-size:clamp(31px,6vw,54px);line-height:1.3;margin:12px 0 20px}h2{font-size:clamp(24px,4vw,34px);line-height:1.45;margin:0 0 16px}h3{font-size:19px;line-height:1.5;margin:0 0 8px}.lead{max-width:720px;margin:0 auto 28px;color:var(--muted);font-size:17px}.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.secondary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:999px;background:#fff;border:1px solid #ead6dd;color:var(--ink);text-decoration:none;font-weight:800}.section{padding:52px 0}.section.alt{background:#fff}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:0 14px 36px rgba(66,33,46,.05)}.card p{margin:0;color:var(--muted);font-size:14px}.steps{counter-reset:step;display:grid;gap:12px}.step{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px}.step:before{counter-increment:step;content:counter(step);flex:0 0 38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--pink);color:var(--red);font-weight:900}.step p{margin:3px 0 0;color:var(--muted)}.faq details{border-top:1px solid var(--line);padding:16px 0}.faq summary{font-weight:800;cursor:pointer}.faq p{color:var(--muted)}.link-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.link-card{display:block;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;text-decoration:none;color:var(--ink);font-weight:800}.link-card small{display:block;color:var(--muted);font-weight:500;margin-top:5px}.footer{padding:34px 0 50px;border-top:1px solid var(--line);color:#82777d;font-size:13px;text-align:center}.note{font-size:13px;color:#8b8086}.keyword-box{background:linear-gradient(135deg,#fff5f8,#fff);border:1px solid var(--line);border-radius:24px;padding:24px}.keyword-box ul{margin:8px 0 0;padding-left:20px}.keyword-box li{margin:7px 0}@media(max-width:720px){.grid,.link-grid{grid-template-columns:1fr}.hero{padding-top:52px}.top .wrap{height:64px}.brand img{height:32px}.section{padding:40px 0}}