Kirby is a file based CMS. It works with text files. So why not create a DITA-OT plugin that generates txt-files made for Kirby CMS? As a result you can export your content to the web and add a comment function and much more. And most of all: You can customize the design.
Plugin for the DITA Open Toolkit
That is how ditalog.com.kirby.txt was built. A DITA-OT plugin that generates txt files for Kirby CMS out of DITA-xml source files.
Integrate you DITA files in 7 steps.
As a first reference serve the tutorials (in German).
the plugin and sample files on github.com.