:root{--brand:#2563eb;--brand-600:#1d4ed8;--brand-700:#1e40af;--brand-50:#eff5ff;--brand-100:#dbe7ff;--ink:#0f172a;--muted:#56637a;--line:#e6ebf2;--bg:#fff;--gray-50:#f4f7fb;--surface:#fff;--dark:#0f1729;--navy:#1a1a2e;--radius:16px;--radius-sm:10px;--radius-pill:999px;--shadow-sm:0 1px 2px rgba(15,23,42,.06),0 1px 3px rgba(15,23,42,.05);--shadow:0 6px 20px rgba(15,23,42,.08);--shadow-lg:0 18px 48px rgba(30,64,175,.14);--shadow-xl:0 28px 64px rgba(30,64,175,.18);--maxw:1024px;--pad:20px;--band-y:64px;--font-jp:"Yu Gothic","游ゴシック","Hiragino Kaku Gothic 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var(--pad);display:flex;align-items:center;justify-content:space-between}.logo{font-weight:800;font-size:21px;letter-spacing:.04em;color:var(--ink)}.logo:hover{text-decoration:none}.logo .dot{color:var(--brand)}.site-header nav{display:flex;gap:22px;font-size:14px}.site-header nav a{color:var(--muted)}.site-header nav a:hover{color:var(--ink);text-decoration:none}.logo-link{display:inline-flex}.logo-link:hover{text-decoration:none}.logo-lockup{display:inline-flex;align-items:center;gap:10px}.logo-lockup.logo-vertical{flex-direction:column;gap:8px;text-align:center}.logo-mark{height:28px;width:auto;display:block}.logo-vertical .logo-mark{height:64px}.logo-text{display:flex;flex-direction:column;line-height:1}.logo-vertical .logo-text{align-items:center}.logo-word{font-weight:800;letter-spacing:2px;color:var(--navy);font-size:20px}.logo-sub{letter-spacing:3px;color:#8a94a6;font-size:10px;font-weight:700;margin-top:3px}.footer-brand .logo-word{font-size:18px}.hero-band{padding:64px 0 96px;border-bottom:1px solid var(--line);background-image:radial-gradient(rgba(37,99,235,.13) 1px,transparent 1.6px),linear-gradient(180deg,#fff 0,var(--brand-50) 100%);background-size:20px 20px,100% 100%}.hero,.hero-band{position:relative}.hero{text-align:center}.badge-pill{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--brand-100);color:var(--brand-700);border-radius:var(--radius-pill);padding:6px 14px;font-size:13px;font-weight:700;box-shadow:var(--shadow-sm);margin-bottom:20px}.hero .wordmark{display:block;font-weight:800;font-size:30px;letter-spacing:.08em;color:var(--brand);margin-bottom:10px}.hero .wordmark .dot{color:var(--ink)}.hero h1{font-size:clamp(27px,6.2vw,46px);font-weight:800;margin:0 auto 16px;max-width:20em;letter-spacing:.02em}.hero .lead,.hero h1{overflow-wrap:break-word}.hero .lead{color:var(--muted);font-size:clamp(16px,2.2vw,19px);max-width:36em;margin:0 auto}.phrase{display:inline-block}.tool-band{padding:0 0 var(--band-y)}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:24px}.tool-card{box-shadow:var(--shadow-xl);border-color:var(--brand-100);padding:28px;margin-top:-56px;position:relative;z-index:2}.field{display:grid;grid-gap:8px;gap:8px;margin-bottom:18px}.field>.label,.field>span{font-size:14px;font-weight:700;color:var(--ink)}.input,select.input,textarea.input{width:100%;font:inherit;font-size:15px;color:var(--ink);background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius-sm);padding:12px 14px;transition:border-color .15s,box-shadow .15s}textarea.input{resize:vertical;min-height:200px;line-height:1.7}.input:focus,select.input:focus,textarea.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-50)}.field .hint{font-size:12px;color:var(--muted)}.segment{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px}.seg-option{position:relative;border:1.5px solid var(--line);border-radius:var(--radius-sm);padding:12px 14px;cursor:pointer;transition:border-color .15s,background .15s}.seg-option:hover{border-color:var(--brand-100)}.seg-option input{position:absolute;opacity:0}.seg-option .t{font-weight:700}.seg-option .d{font-size:12.5px;color:var(--muted)}.seg-option:has(input:checked){border-color:var(--brand);background:var(--brand-50)}.seg-option:has(input:focus-visible){box-shadow:0 0 0 4px var(--brand-50)}.check{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted)}.btn{font:inherit;font-weight:700;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:transform .12s ease,background .15s,box-shadow .15s,opacity .15s}.btn-primary{background:var(--brand);color:#fff;min-height:52px;padding:0 24px;font-size:16px;box-shadow:0 8px 18px rgba(37,99,235,.28)}.btn-primary:hover{background:var(--brand-600);box-shadow:0 12px 24px rgba(37,99,235,.34);transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.btn-primary:disabled{opacity:.55;cursor:not-allowed;box-shadow:none;transform:none}.btn-block{width:100%}.fine{font-size:12.5px;color:var(--muted)}.guide-accordion{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--gray-50);margin-bottom:18px;overflow:hidden}.guide-accordion>summary{cursor:pointer;list-style:none;padding:12px 16px;font-weight:700;font-size:14px;color:var(--ink);display:flex;align-items:center;gap:8px}.guide-accordion>summary::-webkit-details-marker{display:none}.guide-accordion>summary:before{content:"▸";color:var(--brand);transition:transform .15s ease}.guide-accordion[open]>summary:before{transform:rotate(90deg)}.guide-body{padding:2px 16px 18px}.guide-steps{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:14px;gap:14px}.guide-step{text-align:center}.guide-step 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spin{to{transform:rotate(1turn)}}.loading .muted{color:var(--muted)}.alert{border-radius:var(--radius-sm);padding:16px 18px;border:1px solid #f3c2c2;background:#fdecec;color:#8f2020}.steps{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:18px;gap:18px;max-width:860px;margin:0 auto}.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;text-align:center;box-shadow:var(--shadow-sm)}.step .num{width:60px;height:60px;margin:0 auto 14px;display:grid;place-items:center;border-radius:50%;background:linear-gradient(180deg,var(--brand),var(--brand-600));color:#fff;font-weight:800;font-size:22px;box-shadow:0 8px 18px rgba(37,99,235,.3)}.step .step-title{display:inline-flex;align-items:center;gap:8px;margin:0 0 8px;font-size:18px;font-weight:800}.step .step-title svg{color:var(--brand)}.step p{margin:0;font-size:14px;color:var(--muted)}.deck-cover{background:linear-gradient(180deg,#16213b,var(--dark));color:#fff;border-radius:var(--radius);padding:24px 26px;margin-bottom:16px;box-shadow:var(--shadow)}.deck-cover h2{margin:0;font-size:22px}.deck-cover p{margin:6px 0 0;color:#b9c6df}.slide-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:16px}.slide-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}.slide-badge{flex:none;font-size:12px;font-weight:700;color:var(--brand);background:var(--brand-50);border:1px solid var(--brand-100);border-radius:var(--radius-pill);padding:3px 10px}.slide-title{margin:0;font-size:17px}.slide-sub{margin:-4px 0 10px;color:var(--muted);font-size:14px}.chip{background:var(--gray-50);border:1px solid var(--line);border-radius:var(--radius-sm);padding:10px 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6px}.waitlist{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:12px}.waitlist .input{flex:1 1 240px}.waitlist .btn-primary{min-height:48px}.site-footer{border-top:1px solid var(--line);background:var(--surface)}.site-footer .inner{max-width:var(--maxw);margin:0 auto;padding:40px var(--pad)}.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;grid-gap:32px;gap:32px;align-items:start}.footer-brand .logo{font-size:19px}.footer-brand p{margin:12px 0 0;font-size:13px;color:var(--muted);max-width:26em;line-height:1.7}.footer-col h4{margin:0 0 12px;font-size:12px;color:var(--muted);font-weight:700;letter-spacing:.06em;text-transform:uppercase}.footer-col ul{list-style:none;margin:0;padding:0;display:grid;grid-gap:10px;gap:10px}.footer-col a{color:var(--ink);font-size:14px;line-height:1.4}.footer-bottom{margin-top:28px;padding-top:18px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted)}@media 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