My car has been taking a little bit longer to start

I bought a Honda Civic from car max a few months ago and when I turn the key it starts after a second but when I haven't drove it all day it'll take a few more seconds to start. Like it use to be just "jujuju" but now it like 7 or 8. I don't know anything about cars but I was to fix the problem now before it gets worse.

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