:root{
  --bg:#f4f7f9;
  --surface:#ffffff;
  --text:#1f2933;
  --muted:#637381;
  --line:#d9e2ec;
  --accent:#173f5f;
  --accent-dark:#102a43;
  --soft:#eaf2f8;
  --danger:#a4262c;
  --radius:16px;
  --shadow:0 18px 50px rgba(16,42,67,.08);
}
*{box-sizing:border-box}
html{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;color:var(--text);background:var(--bg);line-height:1.7}
body{margin:0;background:linear-gradient(180deg,#eef4f8 0,#f8fafb 36%,#f4f7f9 100%)}
a{color:var(--accent)}
button,input,select,textarea{font:inherit}
.page-wrap{min-height:100vh;padding:40px 18px}
.form-shell{width:min(860px,100%);margin:0 auto;background:var(--surface);border:1px solid rgba(217,226,236,.9);border-radius:22px;box-shadow:var(--shadow);overflow:hidden}
.form-header{padding:42px 42px 30px;background:linear-gradient(135deg,var(--accent-dark),var(--accent));color:#fff}
.form-header h1{margin:.2em 0 .3em;font-size:clamp(1.65rem,4vw,2.4rem);line-height:1.35}
.form-header p{margin:0;color:rgba(255,255,255,.84)}
.eyebrow{display:inline-block;font-size:.75rem;letter-spacing:.18em;font-weight:700;color:rgba(255,255,255,.7)}
.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:22px;padding:38px 42px 42px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-weight:700;font-size:.95rem}
.required{display:inline-block;margin-left:.35em;padding:.1em .45em;border-radius:5px;background:#fff0f0;color:#a4262c;font-size:.72rem;vertical-align:.1em}
input,select,textarea{width:100%;border:1px solid #bcccdc;border-radius:10px;background:#fff;padding:12px 13px;color:var(--text);outline:none;transition:border-color .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{border-color:#4d7c9f;box-shadow:0 0 0 3px rgba(77,124,159,.14)}
textarea{min-height:180px;resize:vertical}
.privacy-check{grid-column:1/-1;display:flex;gap:10px;align-items:flex-start;padding:15px 16px;background:var(--soft);border-radius:10px;font-size:.92rem}
.privacy-check input{width:auto;margin-top:.4em}
.form-note{grid-column:1/-1;margin:0;color:var(--muted);font-size:.9rem}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;border:0;border-radius:10px;padding:12px 22px;background:var(--accent);color:#fff;text-decoration:none;font-weight:700;cursor:pointer;transition:transform .15s,opacity .15s}
.button:hover{opacity:.92;transform:translateY(-1px)}
.contact-form>.button{grid-column:1/-1;justify-self:start}
.button.secondary{background:#eef3f6;color:var(--accent-dark);border:1px solid #ccd9e2}
.hp-field{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip:rect(1px,1px,1px,1px)!important;white-space:nowrap!important}
.result-card{margin:36px 42px;padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.lead{margin-top:0}
.confirm-table{margin:24px 0;border-top:1px solid var(--line)}
.confirm-row{display:grid;grid-template-columns:190px 1fr;border-bottom:1px solid var(--line)}
.confirm-row dt,.confirm-row dd{margin:0;padding:14px 12px}
.confirm-row dt{font-weight:700;background:#f7fafc}
.confirm-row dd{overflow-wrap:anywhere}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.error-card{border-color:#efc7c9;background:#fffafa}
.error-list{color:var(--danger)}
.thanks-card{text-align:center}
.thanks-mark{display:grid;place-items:center;width:58px;height:58px;margin:0 auto 14px;border-radius:50%;background:var(--soft);color:var(--accent);font-size:1.8rem;font-weight:800}
.muted{color:var(--muted);font-size:.92rem}
.privacy-text h2{margin-top:1.7em;font-size:1.15rem}
.form-footer{padding:18px 26px;text-align:center;border-top:1px solid var(--line);background:#fbfcfd;font-size:.82rem}
.form-footer a{color:#6b7c8a;text-decoration:none}
@media(max-width:680px){
  .page-wrap{padding:18px 10px}
  .form-shell{border-radius:14px}
  .form-header{padding:30px 22px 24px}
  .contact-form{grid-template-columns:1fr;padding:26px 22px 30px}
  .field.full,.privacy-check,.form-note,.contact-form>.button{grid-column:auto}
  .contact-form>.button{width:100%}
  .result-card{margin:24px 18px;padding:22px 18px}
  .confirm-row{grid-template-columns:1fr}
  .confirm-row dt{padding-bottom:6px}
  .confirm-row dd{padding-top:6px}
  .actions{flex-direction:column}
  .actions .button{width:100%}
}

/* ===== 公開デモ専用 ===== */
.demo-banner{
  position:sticky;top:0;z-index:50;
  display:flex;justify-content:center;align-items:center;gap:12px;flex-wrap:wrap;
  padding:9px 16px;background:#fff4d6;border-bottom:1px solid #e8c86f;
  color:#654b00;font-size:.88rem;text-align:center
}
.demo-banner strong{letter-spacing:.08em}
.demo-notice{
  margin:26px 42px 0;padding:18px 20px;border:1px solid #e6cf8a;
  border-radius:12px;background:#fffaf0;color:#5d4a16
}
.demo-notice strong{display:block;margin-bottom:4px}
.demo-notice p{margin:.25em 0}
.demo-example{font-size:.88rem;color:#806b31}
.center-actions{justify-content:center}
@media(max-width:680px){
  .demo-banner{font-size:.8rem;gap:6px}
  .demo-notice{margin:20px 18px 0;padding:15px 16px}
}