:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f7f8fb;--surface:#fff;--surface-soft:#eff6ff;--border:#d7dde8;--text:#111827;--muted:#526070;--blue:#2563eb;--blue-dark:#1d4ed8;--orange:#f97316}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--text);background:var(--bg);margin:0;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Yu Gothic,Meiryo,sans-serif}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.site-shell{min-height:100vh}.site-header{border-bottom:1px solid var(--border);background:var(--surface)}.header-inner,.hero,.section-inner,.setup-section{width:min(72rem,100% - 2.5rem);margin:0 auto}.header-inner{justify-content:space-between;align-items:center;padding:1rem 0;display:flex}.brand{color:var(--blue);letter-spacing:.08em;font-weight:800}.header-nav{color:var(--muted);gap:1.5rem;font-size:.95rem;font-weight:700;display:flex}.hero{grid-template-columns:1.05fr .95fr;gap:2rem;padding:6rem 0;display:grid}.eyebrow{background:var(--surface);color:var(--blue);border:1px solid #bfdbfe;border-radius:999px;margin:0 0 1rem;padding:.5rem 1rem;font-size:.95rem;font-weight:700;display:inline-flex}h1,h2,h3,p{overflow-wrap:anywhere}h1{max-width:48rem;color:var(--text);margin:0;font-size:clamp(2.4rem,7vw,4.2rem);line-height:1.12}.hero-lead{max-width:42rem;color:var(--muted);margin:1.5rem 0 0;font-size:1.125rem;line-height:2}.actions{gap:.75rem;margin-top:2rem;display:flex}.button{border-radius:.375rem;justify-content:center;align-items:center;min-height:3rem;padding:.75rem 1.5rem;font-weight:800;transition:color .16s,background-color .16s,border-color .16s;display:inline-flex}.button.primary{background:var(--blue);color:#fff}.button.primary:hover{background:var(--blue-dark)}.button.secondary{background:var(--surface);color:#1f2937;border:1px solid #cbd5e1}.button.secondary:hover{color:var(--blue);border-color:#93c5fd}.summary-card,.step-card,.setup-card{border:1px solid var(--border);background:var(--surface);border-radius:.5rem;box-shadow:0 1px 2px #0f172a0f}.summary-card{padding:1.5rem}.domain-box{background:var(--surface-soft);border-radius:.375rem;padding:1.25rem}.domain-box p{color:var(--blue);margin:0;font-size:.9rem;font-weight:800}.domain-box strong{color:var(--text);word-break:break-all;margin-top:.5rem;font-size:1.6rem;line-height:1.25;display:block}.feature-list{gap:.9rem;margin:1.5rem 0 0;padding:0;list-style:none;display:grid}.feature-list li{color:#394657;gap:.75rem;display:flex}.feature-list li span:first-child{background:var(--orange);border-radius:999px;flex:none;width:.5rem;height:.5rem;margin-top:.55rem}.flow-section{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--surface);padding:3.5rem 0}.section-heading{justify-content:space-between;align-items:flex-end;gap:1rem;margin-bottom:2rem;display:flex}.section-heading p:first-child,.setup-label{margin:0;font-weight:800}.section-heading p:first-child,.setup-label.orange{color:var(--orange)}.setup-label.blue{color:var(--blue)}.section-heading h2,.setup-card h2{color:var(--text);margin:.5rem 0 0}.section-heading>p{max-width:36rem;color:var(--muted);margin:0;line-height:1.75}.step-grid,.setup-grid{gap:1rem;display:grid}.step-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.step-card,.setup-card{padding:1.5rem}.step-card h3,.setup-card h2{margin:0}.step-card p,.setup-card p:not(.setup-label){color:var(--muted);margin:.9rem 0 0;line-height:1.75}.setup-section{padding:3.5rem 0}.setup-grid{grid-template-columns:repeat(2,minmax(0,1fr))}@media (max-width:760px){.header-nav{display:none}.hero,.step-grid,.setup-grid{grid-template-columns:1fr}.hero{padding:4rem 0}.section-heading,.actions{flex-direction:column;align-items:stretch}}