How to make popup window with storeview selection on first loading of M2 webshop?

Question

Magento

The question is in the title. There are 2 storeviews in the shop, the divisions are not by languages ​​or geography, but by the type of client - an individual, a legal entity. Those. it is necessary that a person entering the site immediately sees a pop-up and chooses a legal entity or an individual, followed by a redirect to acc. strove. Well, on the following pages it is natural that there are no more pop-ups.