Shintoism became Japan's main religion before.
Shintoism is the major religion in Japan.
Shintoism is a animistic religion heavily based around spirits and animals.
Jomon
Shintoism
Shintoism
Shintoism or belief in the sun God, Amaterasu
If you are talking simply of Shintoism, there have never been any holy writings.
Shintoism, a traditional religion of Japan
Japan, it is the major religion there
No recorded founder
Shinto