Mobile Off Canvas Panel not covering screen

Hi,
If you check my website on mobile and use the search box to search for anything you'll notice that on the archives page the off canvas menu does not cover the full screen as it should.
It also happens on category and tag pages. I think pretty much all archive pages have this same problem.

Below is an example:
https://svpremier.com/tag/san-diego-luxury-real-estate-market-reports/

Tnx!