Wrap text span mobile issue

Hi, the headlines of the brand I am designing for uses 2 fonts for headlines, thus I used wrap text span to include the italic bit. It all looks alright on desktop and all breakpoints on my laptop, but once I open it from my phone all italics appear as plain Arial.

Does anyone know how to fix this or where the issue is coming from?

Here is my site Read-Only: Webflow - Responsible Life