Responsive issues

HI, I’ve just updated this website and now the site looks awful when on an iPhone – the main container is only 414px but the resolution is 1024. I’ve made no custom changes to the code or container CSS.

Please can you help?

http://jkangbeautyacademy.net/

Thanks

Anthony