The new city hall project of Shibata-shi, Niigata which has 400 years of history as a castle town. This project is expected to become activation of a central city area, and a starting point on which a tourist takes a walk. The building consists of three layers. The high part is a work room which appears like white clouds. The medium-rise part is a parliamentary function. The low layer part has a citizen service function. There is a half-outdoor open space called “FUDANOTSUJI” in the first floor. The 44th Tokyo Association of Architectural Firms Award the Association Director’s Prize, The Illuminating Engineering Institute of Japan, the Tohoku Branch Award 2018, The Japan Prestressed Concrete Institute Award 2018.