The theme of your store really shouldn't matter because you should never be sending the traffic there anyways, you always want to be sending your traffic to a separate landing page or sales funnel beforehand because your conversion rates will be 300% higher, compared to your average conversion rates of 1-2% sending the traffic to your store. and on top of that 3/4 of your customers never return or do business with you again so your theme really doesn't matter as much as people think it does. but if you really are worried and have to pick one then I agree out of the sandbox ^^ just don't send the traffic there directly please, your killing your business by doing that