Content disappearing & layout issue on tablet/iPad

Hi! I’m having issues with a page on this website when viewed on tablet. This is what the page should look like:

This is how it looks on all my devices. ^^^

I haven’t experiences this issue personally but my client is seeing this on their iPad:

As you can see there is a diagonal shape cutting the content as well as the nav bar. I’m really confused about it…

Does anyone know what could be causing this? Thanks!

Read-Only link: Webflow - Shaddy City (Copy)

Live page link: Work