Was Shinto from Korea or China?

Question:
Was Shinto from Korea or China?
Answer:
Shinto is original religion in Japan.
On the other hand, we imported lots of things from Korea and China or India since the ancient times.
We have incorporated foreign culture into our life.
Koma-Inu is one of them. It's said to be imported via Korea.
http://en.wikipedia.org/wiki/Komainu
Pic: city-discovery.com