When I create a responsive menu on a webpage according to the really nice template at How TO - Responsive Top Navigation, Google Lighthouse claims that the links are not crawlable.
How can I make the links crawlable?
So, while I did not find out whether this is actually a weakness of Lighthouse, I did find an example which shows how the responsive menu can be done without this error:
Responsive Navigation Menu Bar In HTML & CSS
When putting the example code in this place on a web server, Lighthouse will find all links crawlable.