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first-class licensed architect
The highest level of architect certification in Japan, issued by the national government. Holders are qualified to design buildings of any size, including large commercial, industrial, and public structures.
Japan's architect licensing system has two levels: 一級建築士 (first class, national license) and 二級建築士 (second class, prefectural license). Only 一級建築士 can design large-scale buildings.