:root{--color-text:#1d2330;--color-muted:#5b6475;--color-bg:#fff;--color-soft:#f4f6fa;--color-border:#e1e5ee;--color-accent:#2f5bea;--color-accent-ink:#fff;--color-ok:#137a4b;--color-err:#b42318;--radius:12px;--font:system-ui, -apple-system, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", Meiryo, sans-serif;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font);color:var(--color-text);background:var(--color-bg);-webkit-text-size-adjust:100%;margin:0;line-height:1.75}img{max-width:100%;height:auto}a{color:var(--color-accent)}:focus-visible{outline:3px solid var(--color-accent);outline-offset:2px}.container{width:min(1080px,100% - 32px);margin-inline:auto}.container--narrow{width:min(760px,100% - 32px)}.skip-link{position:absolute;left:-9999px}.skip-link:focus{z-index:10;background:#fff;padding:8px 12px;top:16px;left:16px}.btn{border:1px solid var(--color-border);min-height:44px;color:var(--color-text);font:inherit;cursor:pointer;background:#fff;border-radius:999px;justify-content:center;align-items:center;gap:.4em;padding:10px 20px;font-weight:700;text-decoration:none;display:inline-flex}.btn--primary{background:var(--color-accent);border-color:var(--color-accent);color:var(--color-accent-ink)}.btn--large{min-height:52px;padding:12px 28px;font-size:1.05rem}.btn[disabled]{opacity:.5;cursor:not-allowed}.site-header{z-index:5;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--color-border);background:#ffffffeb;position:sticky;top:0}.site-header__inner{justify-content:space-between;align-items:center;gap:16px;min-height:64px;display:flex}.site-logo{color:var(--color-text);align-items:center;gap:10px;font-size:1.15rem;font-weight:800;text-decoration:none;display:inline-flex}.site-logo__mark{background:var(--color-accent);color:#fff;border-radius:9px;place-items:center;width:32px;height:32px;font-size:1rem;display:grid}.site-nav{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:4px 18px;display:flex}.site-nav__link{color:var(--color-text);font-size:.95rem;text-decoration:none}.site-nav__link.btn{color:var(--color-accent-ink);min-height:40px;padding:6px 18px}@media (width<=720px){.site-header__inner{flex-wrap:wrap;padding-block:8px}.site-nav{flex-wrap:nowrap;justify-content:flex-start;width:100%;padding-bottom:4px;overflow-x:auto}.site-nav__link{white-space:nowrap}}.section{padding-block:72px}.section--soft{background:var(--color-soft)}.section__head{text-align:center;margin-bottom:40px}.section__head h2{margin:0 0 8px;font-size:clamp(1.5rem,3.5vw,2rem)}.section__head p{color:var(--color-muted);margin:0}.hero{background:linear-gradient(160deg,#eef2ff 0%,#fff 60%);padding-block:88px 72px}.hero h1{letter-spacing:.01em;margin:0 0 16px;font-size:clamp(2rem,6vw,3.2rem);line-height:1.3}.hero p{color:var(--color-muted);max-width:36em;margin:0 0 28px;font-size:1.1rem}.hero__actions{flex-wrap:wrap;gap:12px;display:flex}.features{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;display:grid}.feature{border:1px solid var(--color-border);border-radius:var(--radius);background:#fff;padding:24px}.feature h3{margin:0 0 8px;font-size:1.1rem}.feature p{color:var(--color-muted);margin:0}.plans{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));align-items:stretch;gap:20px;display:grid}.plan{border:1px solid var(--color-border);border-radius:var(--radius);background:#fff;flex-direction:column;padding:28px 24px;display:flex;position:relative}.plan--recommended{border:2px solid var(--color-accent);box-shadow:0 10px 30px #2f5bea1f}.plan__badge{background:var(--color-accent);color:#fff;border-radius:999px;padding:2px 12px;font-size:.8rem;font-weight:700;position:absolute;top:-13px;left:24px}.plan h3{margin:0;font-size:1.25rem}.plan__tagline{color:var(--color-muted);margin:4px 0 16px;font-size:.95rem}.plan__price{margin:0 0 16px;font-size:2rem;font-weight:800;line-height:1.2}.plan__price small{color:var(--color-muted);font-size:.9rem;font-weight:500}.plan__price--pending{color:var(--color-muted);font-size:1.1rem;font-weight:700}.plan ul{flex:1;margin:0 0 24px;padding:0;list-style:none}.plan li{border-top:1px dashed var(--color-border);padding:6px 0 6px 26px;position:relative}.plan li:before{content:"✓";color:var(--color-accent);font-weight:800;position:absolute;left:4px}.note{color:var(--color-muted);text-align:center;margin-top:20px;font-size:.9rem}.faq{gap:12px;display:grid}.faq details{border:1px solid var(--color-border);border-radius:var(--radius);background:#fff;padding:16px 20px}.faq summary{cursor:pointer;font-weight:700}.faq details p{color:var(--color-muted);white-space:pre-line;margin:10px 0 0}.cta{text-align:center}.cta h2{margin:0 0 12px}.page-header{padding-block:56px 24px}.page-header h1{margin:0 0 8px;font-size:clamp(1.6rem,4vw,2.2rem)}.page-header p{color:var(--color-muted);margin:0}.prose h2{margin-top:2em;font-size:1.3rem}.form{border:1px solid var(--color-border);border-radius:var(--radius);background:#fff;gap:22px;padding:28px;display:grid}.field{gap:6px;display:grid}.field label,.field legend{font-weight:700}.field .hint{color:var(--color-muted);margin:0;font-size:.9rem}.field input[type=text]{font:inherit;border:1px solid var(--color-border);border-radius:8px;width:100%;min-height:44px;padding:10px 12px}.subdomain{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.subdomain input{flex:200px}.subdomain span{color:var(--color-muted)}.status{min-height:1.5em;margin:0;font-size:.9rem}.status--ok{color:var(--color-ok)}.status--err{color:var(--color-err)}.choices{border:0;gap:8px;margin:0;padding:0;display:grid}.choice{border:1px solid var(--color-border);cursor:pointer;border-radius:8px;align-items:center;gap:10px;padding:10px 12px;display:flex}.choice:has(input:checked){border-color:var(--color-accent);background:#f3f6ff}.alert{color:var(--color-err);background:#fef3f2;border:1px solid #fecdca;border-radius:8px;padding:12px 16px}.site-footer{border-top:1px solid var(--color-border);margin-top:40px;padding-block:32px}.site-footer__inner{flex-wrap:wrap;justify-content:space-between;gap:12px;display:flex}.site-footer__nav{flex-wrap:wrap;gap:8px 20px;display:flex}.site-footer__nav a{color:var(--color-muted);font-size:.9rem;text-decoration:none}.site-footer__copy{color:var(--color-muted);margin:0;font-size:.85rem}