Religion in Japan capital at Heian (now Kyoto). The six Buddhist sects initially established in Nara are today together known as "Nara Buddhism" and are relatively small. When the capital moved to Heian, more forms of Buddhism arrived from China, including the still-popular Shingon Buddhism, an esoteric form of Buddhism similar to Tibet's Vajrayana Buddhism, and Tendai, a monastic conservative form known better by its Chinese name, Tiantai. When the shogunate took power in the 12th century and the administrative capital moved to Kamakura, more forms of Buddhism arrived. The most popular was Zen, which became the most popular type of Buddhism of
Reality in Buddhism of interdependent origination. One of the most discussed themes in Buddhism is that of the emptiness ("sunyata") of form (Pali: "rūpa"), an important corollary of the transient and conditioned nature of phenomena. Reality is seen, ultimately, in Buddhism as a form of 'projection', resulting from the fruition ("vipaka") of karmic seeds ("sankharas"). The precise nature of this 'illusion' that is the phenomenal universe is debated among different schools. For example; Buddhist sutras devote considerable space to the concept of reality, with each of two major doctrines—the Doctrine of Dependent Origination ("pratitya-samutpada") and the Doctrine of Cause and Effect ("karma" and