Ryōbu shintō

Ryōbu Shintō (両部神道) is a Japanese religious syncretism that follows a Shinto interpretation but developed from the standpoint of Shingon Buddhism (or 'Esoteric Buddhism').[1] It represents a school of Shinbutsu-shūgō (a syncretism of kami and buddhas) based on esoteric doctrine.[2] It is also known as Ryōbu Shūgō Shintō (両部習合神道) and Shingon Shintō (真言神道).[3][4]

Overview

In Esoteric Buddhism, the universe is considered a manifestation of Vairocana (Dainichi Nyorai).[5] This cosmic reality is expressed through the rituals of the twofold Mandala of the Two Realms—the Diamond Realm Mandala (Kongōkai) and the Womb Realm Mandala (Taizōkai).[6] Ryōbu Shintō interprets the kami of Japan as suijaku (manifest traces) of the buddhas and bodhisattvas depicted in these mandalas, which are regarded as their honji (original ground).[2]

Thought

In Ryōbu Shintō, the deity Amaterasu Ōmikami of the Inner Shrine of Ise Grand Shrine is identified with the Womb Realm Dainichi Nyorai, the Brilliant Great Brahmā King (Kōmyō Dai-Bonten), and the Sun Deva (Nitten).[1] The Outer Shrine’s deity Toyouke Ōkami is linked to the Diamond Realm Dainichi Nyorai, the Śikhin Great Brahmā King (Shiki Dai-Bonten), and the Moon Deva (Gatten).[7] The Inner and Outer Shrines together embody the two mandalic realms, forming Ise Grand Shrine as the manifestation of Vairocana (a view known as the Ninomiya Ikko theory).[8] The name “Ryōbu Shintō” highlights this attempt to explain the ultimate unity of kami and buddhas.[9]

The three primordial deities of the Nihon Shoki are matched with the three bodies of a Tathāgata:

  • Kuni-no-Tokotachi-no-Mikoto as the Dharmakāya (Law Body),
  • Kuni-no-Satsuchi-no-Mikoto as the Sambhogakāya (Reward Body),
  • Toyokumono-no-Mikoto as the Nirmāṇakāya (Manifest Body).

These three unite as Dainichi Nyorai, the esoteric main deity.[4]

The seven generations of heavenly deities in the Kojiki are equated with the Seven Buddhas of the Past and the seven stars of the Big Dipper.[10] Pairs such as Izanagi and Izanami, and the Upper and Lower Shrines of Suwa Shrine, are also compared to the dual mandalas.[1]

History

The origins of Ryōbu Shintō can be traced back to the arrival of Buddhism in Japan.[11] As Buddhism spread, the native kami faith was deeply influenced. It was believed that the kami desired liberation through the Buddha’s law, leading to Buddhist sutra chanting before kami, the construction of jingū-ji (shrine-temples), and the creation of shintai images influenced by Buddhist iconography.[4]

By the late 8th century, the doctrine of honji suijaku arose, asserting that Japanese kami were provisional manifestations of buddhas appearing to save sentient beings.[1] This became the foundation of later kami–Buddha syncretism.

In the late Heian period, Buddhist monks systematized theories explaining Shinto in Buddhist terms. Among the two major esoteric schools of the time, Tendai teachings gave rise to Sannō Shintō, while Shingon teachings produced Ryōbu Shintō.[11] Both interpreted texts such as the Ōharae no Kotoba and myths from the Kojiki and Nihon Shoki through esoteric Buddhist doctrine.[2]

These teachings were transmitted as secret texts attributed to founders such as Saichō and Kūkai, preserved as esoteric transmissions in various shrines, and also spread to the populace through Shugendō. They were further systematized in the Kamakura period, spawning many later Shintō theories.[4]

Among these writings, the most influential was the Reikiki, said to have been revealed to Emperor Daigo by a dragon maiden at the Shinsen’en.[1] This text compiled esoteric Shingon teachings concerning Ise Grand Shrine and, from the Nanboku-chō period onward, came to be regarded as one of the most important scriptures of medieval Shintō alongside the Nihon Shoki.[12]

Influence

Ryōbu Shintō strongly shaped later Shintō thought. During the medieval period it became the mainstream form of syncretic Shintō and gave rise to numerous branches such as Goryū Shintō and Miwa Shintō.[11]

However, from the late Kamakura into the Nanboku-chō period, a reaction emerged against Buddhist-led Shintō. Movements such as Ise Shintō and Yoshida Shintō proclaimed shinpon butsujaku—that the kami were the original reality and the buddhas only provisional manifestations.[4] This view became dominant in Shintō during the Edo period.[11]

From the late Edo through the Meiji Restoration, the Shinbutsu bunri (separation of kami and buddhas) and Haibutsu kishaku (abolition of Buddhism) policies of 1868 dealt a devastating blow to Ryōbu Shintō, ending its role as a mainstream doctrinal school.[2]

References

  1. ^ a b c d e Grapard, Allan G. (1992). The Protocol of the Gods: A Study of the Kasuga Cult in Japanese History. University of California Press. pp. 45–47. ISBN 978-0-520-07462-2. {{cite book}}: Check |isbn= value: checksum (help)
  2. ^ a b c d Teeuwen, Mark (2003). Buddhas and Kami in Japan: Honji Suijaku as a Combinatory Paradigm. Routledge. pp. 89–92. ISBN 978-0-415-29882-3. {{cite book}}: Check |isbn= value: checksum (help)
  3. ^ "Shinto Schools & Sects Glossary A to Z". OnMark Productions. Retrieved 2025-09-28.
  4. ^ a b c d e Breen, John (2000). Shinto in History: Ways of the Kami. Routledge. pp. 72–74. ISBN 978-0-7007-1286-5. {{cite book}}: Check |isbn= value: checksum (help)
  5. ^ Payne, Richard K. (2006). Tantric Buddhism in East Asia. Wisdom Publications. pp. 134–136. ISBN 978-0-86171-487-2.
  6. ^ Abe, Ryūichi (1999). The Weaving of Mantra: Kūkai and the Construction of Esoteric Buddhist Discourse. Columbia University Press. pp. 231–233. ISBN 978-0-231-11484-3. {{cite book}}: Check |isbn= value: checksum (help)
  7. ^ Itō, Satoshi (2012). What is Shintō?. Chūkō Shinsho (in Japanese). Chūōkōron Shinsha. pp. 112–115. ISBN 978-4-12-102158-8.
  8. ^ Earhart, H. Byron (2004). Japanese Religion: Unity and Diversity. Thomson Wadsworth. pp. 73–74. ISBN 978-0-534-61134-2. {{cite book}}: Check |isbn= value: checksum (help)
  9. ^ Itō, Satoshi (2012). What is Shintō?. Chūkō Shinsho (in Japanese). Chūōkōron Shinsha. pp. 118–119. ISBN 978-4-12-102158-8.
  10. ^ Hardacre, Helen (2017). Shinto: A History. Oxford University Press. pp. 102–103. ISBN 978-0-19-062171-1.
  11. ^ a b c d Hardacre, Helen (2017). Shinto: A History. Oxford University Press. pp. 87–89. ISBN 978-0-19-062171-1.
  12. ^ Itō, Satoshi (2012). What is Shintō?. Chūkō Shinsho (in Japanese). Chūōkōron Shinsha. pp. 124–126. ISBN 978-4-12-102158-8.

See also

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