Nanyue Huisi and the Saddharmapundarika-sutra : The Background to the Legend of Huisi's Rebirth(The Transformation in Religious Consciousness in the Heian-Kamakura Period: Faith in the Lotus Sutra, Shotoku Taishi, and Kannon,Panels,THE PROCEEDINGS OF THE SIXTY-SEVENTH ANNUAL CONVENTION OF THE JAPANESE ASSOCIATION FOR RELIGIOUS STUDIES)