/* トランスフィード 共通フォームスタイル
   作成: 2026-07-23 / 埋め込み・独立ページ共通
   ブランド色は --tf-accent で一括変更可能 */

.tf-form {
  --tf-accent: #0b5394;
  --tf-border: #d0d5dd;
  --tf-text: #1f2933;
  --tf-muted: #667085;
  max-width: 560px;
  margin: 0 auto;
  font-family: system-ui, -apple-system, "Segoe UI", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  color: var(--tf-text);
}

.tf-field { margin-bottom: 16px; }

.tf-field label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 600;
}

.tf-field input,
.tf-field textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--tf-border);
  border-radius: 8px;
  font-size: 16px; /* 16px未満はiOSでズームするため16pxを維持 */
  box-sizing: border-box;
  background: #fff;
}

.tf-field input:focus,
.tf-field textarea:focus {
  outline: none;
  border-color: var(--tf-accent);
  box-shadow: 0 0 0 3px rgba(11, 83, 148, 0.12);
}

.tf-req { color: #d92d20; margin-left: 2px; }

.tf-submit {
  width: 100%;
  margin-top: 8px;
  padding: 14px 24px;
  background: var(--tf-accent);
  color: #fff;
  border: 0;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity .15s ease;
}
.tf-submit:hover { opacity: .92; }
.tf-submit:disabled { opacity: .5; cursor: default; }

.tf-note {
  margin-top: 14px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--tf-muted);
}
.tf-note a { color: var(--tf-muted); }