"D.C. Re:tune ~Da Capo~ Retune" developer interview. Why is it a remake of "Da Capo" now? Asking about "what has changed" and "what has not changed" for the current era

"D.C. Re:tune ~Da Capo~ Retune" developer interview. Why is it a remake of "Da Capo" now? Asking about "what has changed" and "what has not changed" for the current era
We conducted an interview with Mr. Hayashi, the director of "D.C. Re:tune ~Da Capo~ Retune". We were able to ask about the background of the full remake and the development policy....

The linked article is in Japanese.