Thanks for the quick reply! See the code below for the content from the Form tab panel.
(When I remove the <ruby/rt/rb tags it shows you should except with the text and the input form in the following line like this page: https://nihongo.connectenglish.jp/grammar-check-and-pre-application/ )
<h3>Your name</h3>
<label>First Name / <ruby><rb>下</rb><rp>(</rp><rt>した</rt><rp>)</rp></ruby>の<ruby><rb>名前</rb><rp>(</rp><rt>なまえ</rt><rp>)</rp></ruby>:
[text* your-name] </label>
<label>Family Name / <ruby><rb>名字</rb><rp>(</rp><rt>みょうじ</rt><rp>)</rp></ruby>:
[text* text-301] </label>
<label>Email address / メールアドレス:
[email* your-email] </label>
<small>(results will be sent here) / (<ruby><rb>結果</rb><rp>(</rp><rt>けっか</rt><rp>)</rp></ruby>はこちらでお<ruby><rb>送</rb><rp>(</rp><rt>く</rt><rp>)</rp></ruby>りします)</small>
<label>Phone number / <ruby><rb>電話番号</rb><rp>(</rp><rt>でんわばんごう</rt><rp>)</rp></ruby>:
[text text-463]</label>