Ancient Japan can be divided into periods defined by the reign of each emperor. Key aspects of ancient Japanese culture included the Shinto and Buddhist religions, the social hierarchy led by emperors and warriors, and architectural styles like pit dwellings. Diet was centered around rice and seafood. Childhood differed based on social class, with education reserved for wealthy boys. Festivals celebrated events like the cherry blossom season. Art forms included origami, music genres, and the bonsai tree tradition.