I am working on this very simple site landing page which at the moment works 99% right and it is responsive as far as I need it to be however when it reaches mobile sizes it starts to clip my text from the right hand side. I have deleted tablet and limited mobile design for this and made it with full width text boxes.

https://hosting242506.a4415.netcup.net/coming-soon/?lay_preview=true&preview_post_id=8&preview_nonce=c606d9b6be&t=1781190699670

Do you have any idea how I can avoid this?
Thanks so much for your help!