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I have cloned your form in order to test it on my side. As a solution, I have 2 options for you.
Firstly, you can make the font-size bigger as the following:
Then, your page will be lower as you can see the following screenshot:
Secondly, you can add page breaks into your form. But, your form will be multi-paged as the following screenshot:
Or, you can do both of them. Please try and If you need further assistance, do not hesitate to contact.