No Text Elements in Apple Devices?

Hello, i need help special from apple users. my new site https://dlick.de show text-elements correctly in windows and anroid, but i heared from
apple users the text above the headline i no text. i changed the font from open-sans to arial a stanard font in the css. i use the theme minimize.

no i dont have any apple devices and i can´t check my changes. if you have an apple can you please check if the site is correct.

Thanks and Greets
Dirk