引き算のデザインとはよく言うが、これは割り算の建築だと思う。規模を減らすだけでなく、機能を割ってエリアに分配するような、多面的な繋がりを生む開発になったのではないだろうか。
愛知県名古屋市熱田区に位置する名古屋鉄道神宮前駅西側街区の再開発プロジェクト。熱田エリアは名古屋の観光地の1つだ。名古屋鉄道が約7000ｍ²の敷地にあった既存大型商業施設を駅舎機能を残しつつ減築。そして、空いた場所に木造平屋3棟を建てた。観光商業施設機能と、通勤通学利用者や地域住民も日常的に活用される場所が求められた。また商店街も隣接するため、敷地内で完結しないエリアで回遊性のある建ち方も問われた。再開発というと低層に商業施設、高層にオフィス・ホテルのイメージがあるが、それとは一線を画すプロジェクトである。
120mのファサードを道路に向けた長い建物が特徴である。車の往来も多く、車で通行する人も立ち寄りたくなる建築を目指し、敷地の長さを生かした配置とした。またJR熱田駅方面へ向かう商店街との連続性を出すため、横断歩道の位置や通り抜けを意識し、3棟のバランスを考慮した。
A棟は既存大型商業施設の形状を踏襲した。解体時は鉄骨鉄筋コンクリート切断面が露わで、駅舎外観デザイン監修時はそのまま活かすことを構想をしていたが、駅という公共性の高い施設から断念。A棟では解体時の半端に切られた柱梁の形から断面寸法及び柱スパンを決め、骨太な木造建築を目指した。
B・C棟の反復する波屋根は各店舗が顔をもつことを意識した。日本の伝統的な木造建物をイメージソースとしながら、ここならではの体験を嗜むには名古屋らしさが必須と考え、写真家の大山顕が名付けた「名古屋根」に行き着いた。これはホテルや店の敷地から歩道に飛び出ているテント屋根のことで、サイン機能や道路から雨に濡れずに入れるもてなしの精神、そして目立つことに名古屋らしさを再認識した。商店街と連続した小店舗の繋がりによって賑やかさを出すためにも小割りの波屋根を連続させ、名古屋根のような象徴としている。B・C棟東側は、隣接商店街屋根の高さに揃え一体感をもたせ、商店街に掛かる赤黄緑の日除け（だと思われる）を意識したテントを店舗の看板として取り入れ、ここらしい屋根となるようにした。四角錐の木造フレームは往来が多い条件の中、人がぶつからないブレースを考えた結果、下向きに広がる向きを採用した。構造体に座面を設け居場所化し、賑やかに利用されている。また立面4面に加え、駅ホームや歩道橋から見られる5面ファサードであることも意識し、設備機器が露呈しないように設備配置にも注力した。
2024年9月に第1期A・B棟、12月に第2期C棟が開業した。神宮前駅 西街区は「おとなの行きたいまち」を目指し、〈あつたnagAya〉は「地域で 継がれる魅力を嗜み、再発見できる場所」を目的としている。食べ歩きや 地域の文化、ここならではの食事を楽しめる店が軒を連ねる。ワゴンなども出店し、縁日のような賑わいが生まれた。
2025年末にロータリーおよび駅舎のリニューアルも完成した。駅舎内の既存階段動線の壁面には熱田エリアの歴史を感じられるグラフィックを施し、電車を降りたときからまちへの期待感を高めるような仕掛けとした。
（ナノメートルアーキテクチャー）
People often talk about “subtractive design,” but I believe this is an example of “divisive architecture.” Rather than simply reducing the scale, this development seems to have created multifaceted connections by dividing functions and distributing them across different areas.
This is a redevelopment project for the block west of Nagoya Railway’s Jingumae Station, located in Atsuta Ward, Nagoya City, Aichi Prefecture. The Atsuta area is one of Nagoya’s tourist destinations. Nagoya Railway downsized an existing large-scale commercial facility on a site of approximately 7,000 m², while retaining the station building’s functions. Three single-story wooden buildings were then constructed on the vacated space. The project called for a space that would serve as a tourist and commercial facility while also being used daily by commuters, students, and residents. Furthermore, because a shopping district is adjacent to the site, the design needed to facilitate circulation beyond the site boundaries. While redevelopment projects are often associated with low-rise commercial facilities and high-rise offices or hotels, this project stands apart from that conventional model.
A defining feature is the long building with a 120-meter facade facing the street. Given the heavy traffic flow, the design aims to create architecture that entices even passing motorists to stop by, utilizing the site’s length to its fullest. Furthermore, to ensure continuity with the shopping district leading toward JR Atsuta Station, the layout was planned with careful consideration of crosswalk locations and pedestrian flow, while balancing the three buildings.
Building A follows the shape of the existing large-scale commercial facility. During demolition, the cross-sections of the steel-reinforced concrete structure were exposed. While the initial concept for supervising the station building’s exterior design was to incorporate these elements as-is, this idea was abandoned because of the highly public nature of a train station. For Building A, the cross-sectional dimensions and column spans were determined based on the irregular shapes of the columns and beams left from the demolition, aiming for a robust timber-frame structure.
The repeating wave-shaped roofs of Buildings B and C were designed to give each store its own distinct identity. While drawing inspiration from traditional Japanese wooden architecture, we believed that a distinctly Nagoya-esque character was essential to creating a unique experience specific to this location. This led us to the “Nagoyane,” a term coined by photographer Ken Oyama. This refers to the tent-like canopies that extend from the grounds of hotels and shops onto the sidewalk; we rediscovered the essence of Nagoya in their function as signage, their spirit of hospitality—allowing people to enter without getting wet from the rain—and their eye-catching presence. To create a lively atmosphere through the connection between the shopping street and the small shops, we arranged a series of small, undulating roofs, making them a symbolic feature akin to the “Nagoyane.” On the east side of Buildings B and C, we aligned the roof height with that of the adjacent shopping street to create a sense of unity. We incorporated tents—inspired by the red, yellow, and green awnings (presumably sunshades) spanning the shopping street—as store signs, crafting a roof design unique to this location. For the wooden frame of the square pyramid, we adopted a design that flares downward after considering bracing that would prevent people from bumping into it amid heavy foot traffic. We incorporated seating into the structural framework to create a welcoming space, and it is now bustling with activity. Furthermore, recognizing that the building features five facades—including the four main elevations plus those visible from the station platform and pedestrian bridge—we paid close attention to the layout of mechanical and electrical systems to ensure they remain concealed.
Phase 1 (Buildings A and B) opened in September 2024, followed by Phase 2 (Building C) in December. The Jingumae Station West District aims to be “a town adults want to visit,” while “Atsuta nagAya” is designed to be “a place where people can savor and rediscover the charm passed down through the community.” The area is lined with shops where visitors can enjoy street food, local culture, and unique culinary experiences. Food carts and other vendors have also set up shop, creating a lively atmosphere reminiscent of a festival.
By the end of 2025, the renovation of the rotary and the station building was also completed. Graphics depicting the history of the Atsuta area were applied to the walls along the existing staircase route inside the station building, creating an experience designed to heighten anticipation for the town from the moment passengers step off the train.
(nanometer architecture)
【あつたnagAya】
所在地：愛知県名古屋市熱田区神宮3-6-608
用途：商業複合施設
クライアント：名古屋鉄道
竣工：2025年
設計：ナノメートルアーキテクチャー
担当：野中あつみ、三谷裕樹（ナノメートルアーキテクチャー）
設計協力：池原健介（dddessin）
統括：エイトデザイン
構造設計：海野構造研究所
設備設計：Y’s ESD、大塚設備計画
サイン：Tailors
施工：エイトデザイン
撮影：ToLoLo studio
工事種別：新築
構造：木造
規模：平屋
敷地面積：942.28m²（A棟）、1,496.03m²（B棟）、914.50m²（C棟）
建築面積：454.15m²（A棟）、502.86m²（B棟）、474.16m²（C棟）
延床面積：1,253.75m²
設計期間：2023.07-2024.04（ABC棟）、2025.09-2024.12（駅舎デザイン監修）
施工期間：2025.04-2025.09（ABC棟）、2025.10-2025.11（駅舎デザイン監修）
【Atsuta nagAya】
Location: 3-6-608, Jingu, Atsuta-ku, Nagoya-shi, Aichi, Japan
Principal use: Commercial complex
Client: Nagoya Railroad
Completion: 2025
Architects: nanometer architecture
Design team: Atsumi Nonaka, Yuki Mitani
Design cooperation: Kensuke Ikehara / dddessin
Project Management: EIGHT DESIGN
Structural design: Unno Structural Research Institute
Equipment design: Y’s ESD, Otsuka Setsubi Keikaku
Sign: Tailors
Construction: EIGHT DESIGN
Photographs: ToLoLo studio
Construction type: New Building
Main structure: Wood
Building scale: 1 story
Site area: 942.28m² (Building A), 1,496.03m² (Building B), 914.50m² (Building C)
Building area: 454.15m² (Building A), 502.86m² (Building B),474.16m² (Building C)
Total floor area: 1,253.75m²
Design term: 2023.07-2024.04 (Building ABC), 2025.09-2024.12(Station Building)
Construction term: 2025.04-2025.09 (Building ABC), 2025.10-2025.11 (Station Building)
