<p class="line-item-property__field"> <label for="">お名前</label> <input id="" type="text" name="properties[お名前]" form="product-form-{{ section.id }}" > </p>
<p class="line-item-property__field"> <label for="">お名前</label> <input id="" type="text" name="properties[お名前]" form="product-form-{{ section.id }}" > </p>