It seems you're already over the hurdle of not assuming other languages have the same grammar as English. From my experience (internationalizing a site for Engl

It seems you're already over the hurdle of not assuming other languages have the same grammar as English. From my experience (internationalizing a site for English and Japanese with both heavy back and front end rendering) with that groundwork laid, at least Japanese is relatively simple. A favorite solution for varying lengths of content is html's flex box. Luckily I only had to support WebKit.