Variation Swatches not working in Mobile Product list page

https://jopokart.com/product-category/family-t-shirts-set-of-3-4-5/

I have created variation swatches for one product and in desktop site it is working fine but in mobile , if i click the color variation swatches showed in product list page it is not working , please help , once it solves only can create swatches for other products too , please lookinto it ASAP