The storage laws not covered on your PAL/RPAL course? There are different rules for restricted and non. There is no requirement or definition of what constitutes a 'safe'. Nor is there a definition of what is considered "Hard to break into".
Storing firearms in a case isn't a good idea. Cases tend to attract moisture.
Go here. Note the operative word 'OR'.
http://www.rcmp-grc.gc.ca/en/firearm...aying-firearms
"...if the city council passes a NO GUN ZONE bylaw..." Currently, no city council has the jurisdiction to do that. Neither does a Province.