{"id":48945,"date":"2026-07-05T06:17:46","date_gmt":"2026-07-04T21:17:46","guid":{"rendered":"https:\/\/kochihen.replan.ne.jp\/?p=48945"},"modified":"2026-07-05T06:17:46","modified_gmt":"2026-07-04T21:17:46","slug":"%e3%80%90%e5%a4%a9%e4%bf%9d%ef%bc%99%ef%bc%881838%ef%bc%89%e5%b9%b4%e5%86%8d%e5%bb%ba%e6%99%82%e3%81%ae%e5%be%a9%e5%85%83%e5%bb%ba%e7%af%89%e3%83%bb%e4%bd%90%e8%b3%80%e5%9f%8e%e3%81%ae%e6%a7%8b","status":"publish","type":"post","link":"https:\/\/kochihen.replan.ne.jp\/?p=48945","title":{"rendered":"\u3010\u5929\u4fdd\uff19\uff081838\uff09\u5e74\u518d\u5efa\u6642\u306e\u5fa9\u5143\u5efa\u7bc9\u30fb\u4f50\u8cc0\u57ce\u306e\u69cb\u9020\u3011"},"content":{"rendered":"

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\u25cf\u304a\u77e5\u3089\u305b
\n\u62d9\u66f8\u300c\u4f5c\u5bb6\u3068\u4f4f\u7a7a\u9593\u300d\u5e7b\u51ac\u820e\u304b\u3089\u96fb\u5b50\u66f8\u7c4d\u3067\u767a\u520a
\n\u304a\u6c42\u3081\u306fAmazon\u3067\u3002
\nhttps:\/\/amzn.asia\/d\/eUiv9yO<\/a>
\n\"\"<\/a><\/p>\n

English version\u2b07<\/p>\n

[The Structure of Saga Castle: A Reconstruction Based on the Design from Its Rebuilding in Tenp\u014d 9 (1838)]
\nAs a Hokkaido native with deep ties to the region, I found myself deep in thought, reflecting on the Saga Domain\u2019s progressive spirit\u2014evidenced by, among other things, the success of the \u201creflecting furnace,\u201d a steel-making process directly linked to innovations in cannon technology. …<\/p>\n

\u3000The Hizen Saga Domain exerted significant influence during the turbulent period from the end of the Edo period through the Meiji era. It was a powerful domain, ranking eighth in kokudaka (rice yield) among the outer domains, with a kokudaka of over 360,000 koku; its lord, Naomasa Nabeshima, is known as one of the most renowned rulers of the late Edo period. By being among the first to access information from overseas via Nagasaki, he revitalized the domain\u2019s economy and drove forward modernization in fields such as medicine, science and technology, and military technology at an astonishing pace. It was likely this foresight and track record that led to the strong trust he later earned from Emperor Meiji.
\nHe served as a councilor in the Meiji government and as the first \u201cCommissioner-General of the Hokkaido Development Commission,\u201d but he passed away prematurely in Meiji 4. Sometimes the thought crosses my mind that if he had lived a little longer, the subsequent history of Japan\u2014and by extension, the history of our Hokkaido\u2014might have unfolded somewhat differently.
\n\u3000The Saga Castle Honmaru History Museum that stands today is said to be a faithful reconstruction of the Honmaru Palace, which he rebuilt in Tenp\u014d 9 (1838). Seeing it in person, one is overwhelmed by the high level of craftsmanship in its architectural structure.
\n\u3000The first photo shows a scale model of the reconstructed Otsu-no-Shoin on display. The exhibition provided a visually clear understanding of the wisdom of the time\u2014from the floor structure built to protect the foundation stones, to the intricately interwoven roof trusses in the ceiling cavity, and the system of laying roof tiles over the \u201cdoi\u201d that serves as a waterproof layer.
\n\u3000The second photo shows the actual \u201croof trusses\u201d supporting the large roof; inside the museum, the ceiling was made of glass to allow visitors to view them. The wooden framework in the attic features massive round beams of camphor and cedar\u20142 meters in circumference and 10 meters long\u2014arranged in a crisscross pattern, and their sheer scale is breathtaking.
\n\u3000Furthermore, as shown in the third photo, there was a model of a unique timber-framing technique that firmly secures the vertical posts to the horizontal bracing. This construction method, designed to minimize building distortion to the utmost extent, is said to be a unique solution developed specifically for the Saga Plain, which is characterized by soft ground. Observing such rational and robust architectural techniques, I cannot help but feel that the cutting-edge scientific spirit of the Saga Domain\u2014which later enabled them to complete the iron-smelting \u201creflecting furnace\u201d that the Satsuma Domain came to \u201clearn\u201d from\u2014is very much alive in the structure of this wooden architecture.
\n\u3000When Naomasa Nabeshima, the first Commissioner of the Development Commission, fell ill, his retainer, Yoshiyuki Shima, assumed the role of \u201cVice-Commissioner\u201d and led the formulation of the basic policies for the development project as well as the grand design for the urban planning of the capital, Sapporo. However, following the subsequent \u201cSaga Rebellion,\u201d hegemony (leadership) over the development project gradually shifted into the hands of the Satsuma faction.
\n\"\"<\/a>
\nAs I gazed at the vast grounds of the Honmaru spread out in the fourth photograph, I wondered: if Naomasa Nabeshima had lived a long life, what kind of landscape would our Hokkaido have retained by now?
\n\u3000Amid the elegant spaces of Saga Castle, I quietly wandered through that alternate dimension of history.<\/p>\n

\u25cf Announcement
\nMy book, *Writers and Living Spaces*, has been published as an e-book by Gentosha.
\nAvailable on Amazon.
\n\u3000
\n\u3000<\/p>\n","protected":false},"excerpt":{"rendered":"

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