I’ve been recommended to check out Kanazawa: thoughts? Plus more tips, please!

I am planning a trip to Japan with my partner in May '25 and we're thinking of the following itinerary:

• 4 days in Tokyo, with potential daily trips from there
• 4 days in Kyoto, with potential daily trips from there
• 1 day in Osaka, I hear it's skippable but food is amazing
• 2/3 days of not sure where
• 4 days in Okinawa to explore beaches, maybe do some scuba and check out the history

I have 2/3 days that are not defined in terms of what to visit, and I've been recommended Kanazawa. Has anyone been? What else could we visit instead / or alongside it?

Any help is appreciated, thanks!