The Castle of Cagliostro
Hosoda was born in Kamiichi, Nakaniikawa District, Toyama, Japan. His father worked as a railway engineer, and his mother was a tailor. Hosoda initially felt inspired to take up animation as a career after seeing "The Castle of Cagliostro", the first film directed by Hayao Miyazaki of Studio Ghibli fame. He majored in oil painting at the Kanazawa College of Art in Ishikawa Prefecture.