:root{
  --bg:#f5f5f2;
  --card:#fff;
  --text:#111;
  --muted:#6f6f68;
  --line:#deded7;
  --accent:#111;
  --radius:20px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;line-height:1.65}
a{color:inherit}
.topbar{max-width:1180px;margin:auto;padding:24px 24px 0;display:flex;justify-content:space-between;align-items:center;gap:20px}
.brand{font-weight:900;letter-spacing:-.03em}
.muted{color:var(--muted)}
.badge{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:5px 10px;font-size:12px;font-weight:700;background:#fff}
.shell{max-width:920px;margin:auto;padding:64px 24px 120px}
.hero{padding:30px 0 46px}
.eyebrow{font-size:12px;letter-spacing:.12em;font-weight:900;text-transform:uppercase}
h1{font-size:clamp(42px,8vw,82px);line-height:.98;letter-spacing:-.065em;margin:14px 0 22px}
h2{font-size:28px;letter-spacing:-.035em}
.lead{font-size:20px;max-width:720px;color:#444}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;margin-bottom:24px}
label{display:block;font-size:13px;font-weight:800;margin-bottom:18px}
input,textarea,select{width:100%;font:inherit;border:1px solid var(--line);background:#fafaf8;border-radius:12px;padding:13px 14px;margin-top:7px;color:var(--text)}
textarea{resize:vertical}
.grid{display:grid;gap:18px}
.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
button,.link-button{border:0;border-radius:12px;padding:13px 18px;font:inherit;font-weight:900;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}
.primary{background:var(--accent);color:#fff}
.secondary{background:#ecece7;color:#111}
.status{min-height:24px;color:var(--muted);font-size:13px}
.hidden{display:none!important}
.spec-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:20px 0}
.spec-grid div{border:1px solid var(--line);border-radius:12px;padding:14px}
.spec-grid span{display:block;color:var(--muted);font-size:11px;font-weight:800}
.spec-grid strong{display:block;margin-top:4px}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}
pre{overflow:auto;background:#111;color:#f7f7f2;padding:18px;border-radius:14px;font-size:12px}
.section-head{display:flex;justify-content:space-between;align-items:center}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.product-card{display:block;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;text-decoration:none}
.product-card h3{font-size:20px;margin:16px 0 8px}
.product-card p{color:#555;margin:0}
.product-shell{max-width:820px;margin:auto;padding:70px 24px 120px}
.product-hero{padding-bottom:40px}
.product-hero h1{font-size:clamp(46px,10vw,86px)}
.promise{font-size:18px;font-weight:800;border-left:4px solid #111;padding-left:15px;margin-top:24px}
.product-app,.product-meta{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;margin-bottom:20px}
.price-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}
.price-row strong{font-size:28px}
.demo-output{margin-top:30px;border-top:1px solid var(--line);padding-top:26px}
.skeleton{background:#f2f2ee;border-radius:10px;padding:14px;color:#777}
.tiny{font-size:11px}
.login-page{min-height:100vh;display:grid;place-items:center;padding:24px}
.login-card{width:min(460px,100%);background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.login-card h1{font-size:42px}
@media(max-width:680px){
  .grid.two,.spec-grid,.cards{grid-template-columns:1fr}
  .topbar{align-items:flex-start}
  .shell{padding-top:35px}
  .panel,.product-app,.product-meta{padding:20px}
}

.quality-note{border:1px solid var(--line);border-radius:12px;padding:13px 14px;margin-bottom:18px;background:#fafaf8;display:flex;flex-direction:column;justify-content:center}
.quality-note span{font-size:12px;color:var(--muted)}
.badge-row{display:flex;gap:8px;flex-wrap:wrap}
.payment-lock{border:1px dashed var(--line);background:#fafaf8;border-radius:14px;padding:16px;margin-bottom:22px}
.payment-lock p{margin:5px 0 0;color:var(--muted)}
button:disabled{opacity:.45;cursor:not-allowed}
.ai-result{white-space:pre-wrap;font-size:16px;line-height:1.8}

.nav{display:flex;align-items:center;gap:14px;font-size:14px;font-weight:700}.nav a{text-decoration:none}.three-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.three-steps div{padding:12px}.three-steps b{font-size:12px;color:var(--muted)}.compact{padding-bottom:28px}.compact h1{font-size:clamp(40px,7vw,70px)}.creator-status{display:flex;justify-content:space-between;gap:20px;align-items:center}.creator-status form{margin-top:10px}.status-good,.status-warn{display:inline-block;border-radius:999px;padding:7px 11px;font-size:12px;font-weight:900}.status-good{background:#e8f7ec}.status-warn{background:#fff5d8}.error-box,.warning{border:1px solid #e2c5c5;background:#fff4f4;border-radius:12px;padding:13px}.purchase-ok{border:1px solid #cce3d0;background:#f2fbf4;border-radius:14px;padding:16px;margin-bottom:22px}.checkline{display:flex;gap:10px;align-items:center}.checkline input{width:auto;margin:0}.legal-links{display:flex;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--muted);padding:20px 0}.legal-page{max-width:760px;margin:auto;padding:70px 24px 120px}.legal-page h1{font-size:clamp(42px,8vw,72px)}.legal-dl{display:grid;grid-template-columns:180px 1fr;border-top:1px solid var(--line)}.legal-dl dt,.legal-dl dd{margin:0;padding:14px;border-bottom:1px solid var(--line)}
@media(max-width:680px){.three-steps{grid-template-columns:1fr}.creator-status{align-items:flex-start;flex-direction:column}.legal-dl{grid-template-columns:1fr}.legal-dl dt{font-weight:900;padding-bottom:0}.legal-dl dd{padding-top:4px}.nav span{display:none}}


/* v0.3.1 — human-readable AI result renderer */
.ai-result{white-space:normal;font-size:16px;line-height:1.85}
.ai-result-title{font-size:clamp(26px,4vw,36px);line-height:1.2;letter-spacing:-.035em;margin:0 0 24px}
.ai-result-section{padding:22px 0;border-top:1px solid var(--line)}
.ai-result-section:first-of-type{border-top:0;padding-top:0}
.ai-result-section h3{font-size:20px;line-height:1.4;letter-spacing:-.02em;margin:0 0 12px}
.ai-result-section p{margin:8px 0;color:#292927}
.ai-result-list{margin:10px 0 0;padding-left:1.4em}
.ai-result-list li{margin:8px 0;padding-left:.2em}
.ai-result-detail{margin-top:16px;padding:14px 16px;background:#f7f7f3;border-radius:12px}
.ai-result-detail>strong{display:block;font-size:12px;letter-spacing:.04em;margin-bottom:5px}
.ai-result-detail p{margin:4px 0}