Problem with off-canvas menu

Hi. My english is very limited, sorry.

I just updated my website with version 7 and something happens to me that hasn’t happened before: the off-canvas menu navigation fails. It may not be a query about Pinegrow. When opening the web it is necessary to make two clicks or two touches for the navigation to work, then it works fine.
I don’t know if anyone can give me a clue.

If I delete the images and leave just the text, the navigation seems to work.

This is the site: