My site doesn’t work on iphone.

I’m pretty new to WordPress. I was basically left to update this site, the original authors, long gone. I’ve pretty much hit a wall here. All iphone or ipad users get is a loading animation. Could someone give me a nudge in the right direction?
Thank you.

Sorry if I’ve posted in the wrong topic.

The page I need help with: [log in to see the link]

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