Daianji Temple Main Hall

Daianji Main Hall: A Merchant's Mansion Turned Zen Temple

Tucked away in a quiet residential neighborhood in Sakai City, Osaka Prefecture, the Main Hall of Daianji Temple stands as a remarkable testament to the golden age of Sakai's merchant culture. Unlike most Buddhist temple halls, this building was originally the luxurious residence of one of Japan's most legendary traders — Naya Sukezaemon, famously known as "Luzon Sukezaemon" for his daring voyages to the Philippines. Designated as an Important Cultural Property of Japan, this all-cypress structure preserves the grandeur of a Momoyama-era merchant's mansion while serving as the heart of a Rinzai Zen temple.

Historical Background

Daianji Temple was founded during the Oei era (1394–1428) by the Zen monk Tokushu Shiin, under the command of Emperor Go-Komatsu. Established as a sub-temple of the great Tofukuji in Kyoto, Daianji originally occupied a vast compound in the center of Sakai, spanning two cho (approximately 218 meters) on each side and housing six sub-temples.

The temple's fortunes changed dramatically in 1615, when the devastating fires of the Summer Siege of Osaka (Osaka Natsu no Jin) reduced the compound to ashes. During the Keian era (1648–1652), the temple was relocated and rebuilt at its current site in the Minami-Hatago-cho district. The Main Hall, as it stands today, was reconstructed in 1683 (Tenna 3), incorporating a large quantity of timber and structural members salvaged from an early 17th-century mansion — traditionally believed to be the residence of the legendary merchant Naya Sukezaemon.

Naya Sukezaemon, also known as Luzon Sukezaemon, was a semi-legendary Sakai trader who reportedly amassed enormous wealth through trade with Southeast Asia, particularly the Philippines (Luzon). According to historical accounts, he presented exotic goods including Luzon jars, candles, musk, and rare tea utensils to the warlord Toyotomi Hideyoshi in 1594. His mansion was said to be so extravagantly decorated — with sliding door paintings by the master Kano Eitoku and inlays of cloisonné enamel — that the feudal lord Matsunaga Hisahide, upon being invited, carved a warning into a pillar with his sword, admonishing against such excess.

Why It Was Designated as an Important Cultural Property

The Main Hall of Daianji was designated as a national Important Cultural Property on June 22, 1955. It is valued as one of the very few surviving examples of hojo (abbot's quarters) architecture from the early Edo period. Conservation work carried out between 1996 and 1999 confirmed through ink inscriptions on timber and stamps on roof tiles that the structure was assembled in 1683, reusing the majority of materials from an earlier building constructed in the first half of the 17th century.

What makes this building particularly significant is its residential character. Rather than the austere hall one might expect in a Zen monastery, the Main Hall retains the layout and craftsmanship of a wealthy merchant's dwelling — complete with a formal raised dais (jodan no ma), an attached study (tsuke-shoin), and rooms arranged in the shoin-zukuri style. Every structural timber is made of fine-grained hinoki cypress, using what is known as "ito-masame" (thread-straight grain), indicating the extraordinary quality of the original construction.

Separately, the 76 panels of partition paintings (shohekiga) adorning the interior of four rooms were designated as an Important Cultural Property on June 9, 1981, as outstanding examples of the Kano school from the early 17th century.

Architectural Highlights and Treasures

Visitor Information

Daianji Temple is normally closed to the public. The interior of the Main Hall, including its Important Cultural Property partition paintings, is opened only during the Sakai Cultural Properties Special Exhibition (Sakai Bunkazai Tokubetsu Kokai), typically held in spring and autumn. Visitors are advised to check with the Sakai City Board of Education or the Sakai Tourism Convention Bureau for exact dates. Even when the interior is not accessible, the temple grounds, gate, and Kaisando (Founder's Hall) can be appreciated from outside.

The temple is located approximately a 10-minute walk from Goryomae Station on the Hankai Tramway Hankai Line. By train, visitors can also access the area from Minatoguchi Station on the Nankai Main Line, followed by a short walk. The surrounding neighborhood is part of Sakai's historic temple district, making it easy to combine a visit with nearby attractions.

Surrounding Attractions

Daianji is situated in the heart of Sakai's historic southern temple quarter, offering visitors numerous cultural sites within easy walking distance.

• Nanshuji Temple (approximately 2-minute walk): A major Rinzai Zen temple founded in 1557 by the warlord Miyoshi Nagayoshi. It features Important Cultural Property buildings including a Buddhist hall, main gate, and Chinese-style gate, as well as a nationally designated scenic karesansui (dry landscape) garden. The tea room Jissoan, favored by Sen no Rikyu, is also located here.
• Kaieji Temple (approximately 2-minute walk): Another historic Zen temple in the neighborhood, with its own Important Cultural Property main hall.
• Sakai Risho no Mori (approximately 15-minute walk): A cultural facility dedicated to Sen no Rikyu and the poet-novelist Yosano Akiko, both born in Sakai. Visitors can experience an authentic matcha tea service.
• Myokokuji Temple (approximately 15-minute walk): Famous for its connection to the warlord Oda Nobunaga and home to a designated garden with rare cycad trees gifted by Nobunaga himself.
• Mozu-Furuichi Kofun Group (approximately 20 minutes by bicycle): A UNESCO World Heritage Site comprising ancient burial mounds, including the enormous Tomb of Emperor Nintoku, one of the largest burial structures in the world.