Renewal of US style design_Woocommerce

We are managing this website of GMS company on VPS [login to view URL] We made this website 10 years ago and so we don't recommend this design 100%. Did you have good experience on this wordpress theme? if you have better theme than this theme, you can use your theme. [login to view URL] The Website of most US suppliers is such a design, but it is a design that is rarely used in Japan. We are imagining the US design adopted by many US suppliers. The reference website: [login to view URL] Please explore this website. The weak point of this theme is a filter. It is a bit heavy. I would like to make each one move faster. For example. this site is very good. [login to view URL] ***************************************** By the way, is it possible to convert and output the product to be registered this time for Yahoo! Shopping or Yahoo Auction!? Is there a recommendation in the payment system? Since the contract is going on, please give me advice if you know the best dealer. I will sign a VPS to store the EC site today. I can choose the type of OS, but do you have a recommended operating system? If there is no problem with CentOS, I will sign up at Ver. 7.6.