Considering that both this and Laputa practically inspired the genre...
Wow... Y'know I never noticed this before anon but you're right! Inuyasha really is like a JRPG.
Weird how uncanny the similarities in the story, setup and setting are to the genre... Is Rumiko Takahashi a gamer?
>Counterpart/original idea for Laputa
>secret, advanced ancient civilization
>Typical JRPG-trope sky pirates
>mysterious waif with a magical mcguffin
...What do you think?