iframe埋め込み（Velociraptor）非表示

https://pi.pardot.com/form/read/id/25716?aid=982672

非表示なし

<iframe src="https://pardot.velociraptor.cf/l/982672/2023-06-29/ff46bm" width="100%" height="500" type="text/html" frameborder="0" allowTransparency="true" style="border: 0"></iframe>

非表示あり

<iframe src="https://pardot.velociraptor.cf/l/982672/2023-06-29/ff46bm?Prospect_Text3_CustomObject1652944400794=20240301_hidden_field" width="100%" height="500" type="text/html" frameborder="0" allowTransparency="true" style="border: 0"></iframe>

https://pi.pardot.com/prospectFieldCustom/read/id/17923?aid=982672

Prospect_Text3_CustomObject1652944400794