兵庫県南西部的形地区に建てられた1階RC造、2・3階木造一部鉄骨造の混構造3階建ての住宅である。
的形地区は古くから商業、塩田で栄えた地域で街並みにはかつての趣を垣間見ることができる。敷地はこの的形地区の最南端エリア、入江と小山の狭間に位置する。敷地南西には神社、西側の小山を背に南に瀬戸内海と東に入江を望む。この豊かな眺望を享受する建築が望まれた。この土地に建つ建築として的形の美しい景観に違和感を与えない、主張しない建築であることを目指した。
入り江、海岸より数十mという敷地のため災害を考慮する要望があった1階はRC造とし、2・3階木造部分は的形地区の歴史ある家屋を踏襲し焼杉板貼りとした。この焼杉板も建物の規模、プロポーションに合わせて従来の既製品（165mm）の寸法より細幅（105mm）で制作した。防虫防腐効果が高く、瀬戸内地方の沿岸部の街並みにも古くから用いられてきた焼杉板という素材も、スケールを再考することで現代的な印象になった。屋根材には周囲の景観に違和感を与えず、自分たちの使う電気は自家発電したいという要望に応じて屋根一体型太陽光パネル（モノクローム）を採用した。
景観を楽しむためのテラスデッキ、RC造片持ちスラブとし、さらにデッキ下の梁を跳ね出してテラスデッキを支えた。奥行き3mのテラスデッキが2階LDKをぐるりと囲む。料理好きのご主人のために造作したキッチンは山側に向けて設置、木々を眺めながら料理が出来る。対面には同じ仕様で作業台兼用テーブル、作業スペースの床レベルを150mm下げることによりキッチン側からは作業台（875mm）、リビング側からはテーブル（725mm）という寸法高さを確保した。
この建築において開口部は採光・通風はもちろんのこと、どの部屋からも的形らしい景観のみが視界に入るように意識した。瀬戸内海と入江、木々の移ろい、美しいこの地の風景を切り取る。
平面配置計画において、もともとこの土地にあった樹木は可能な限り残し、樹木を交わすように建物を配置した。母屋は敷地中央にある枝張り10mのエノキ、隣地の神社より伸びた桜、楠などを交わす形状で配置した。建物の高さを抑えたプロポーションとすることにより将来的には敷地の樹木、神社、裏山の樹木に包まれてひっそりと佇む建築となる。この建築が年を経て的形の景観になることを望む。（黒木大亮）
A weekend house that blends into the landscape through manipulation of proportions
This is a three-story house with a mixed structure of RC on the first floor and wood and steel on the second and third floors. It was built in the Matogata district in the southwestern part of Hyogo Prefecture.
The Matogata district has long prospered from commerce and salt fields, and the streetscape offers glimpses of its former charm. The site is located in the southernmost area of the Matogata district, between an inlet and a small mountain. With a shrine to the southwest and a small mountain to the west, the site overlooks the Seto Inland Sea to the south and the inlet to the east. An architecture that would enjoy this rich view was desired. The aim was to create a building that would not be out of place in the site’s beautiful landscape and would not make a strong statement.
The first floor was to be an RC structure, as the site is located several dozen meters from a cove and the shore, and the second and third floors were made of wood with burned cedar boards, in keeping with the historic houses of the Matogata area. The cedar boards were made narrower (105mm) than the conventional ready-made boards (165mm) to match the scale and proportions of the building. The rethinking of scale gave a modern impression to this material, which is highly effective against insects and preservatives and has long been used in coastal townscapes in the Seto Inland Sea region. For the roof material, roof-integrated solar panels (monochrome) were adopted in response to the desire to generate their own electricity for their own use without creating a sense of incongruity with the surrounding landscape.
The terrace deck was designed to enjoy the landscape, and an RC cantilevered slab was used to support the terrace deck, with additional beams sprouting out from under the deck. The 3m deep terrace deck surrounds the second-floor LDK. The kitchen, built for the owner who loves to cook, faces the mountainside, allowing him to cook while enjoying the view of the trees. The same specifications are used for the work table on the opposite side. By lowering the floor level of the workspace by 150mm, the height of the work table (875mm) is secured from the kitchen side, and the table (725mm) is secured from the living room side.
In this building, the openings are designed to provide light, ventilation, and a view from every room that is typical of the target shape. The Seto Inland Sea, the bay, the changing of the trees, and the beautiful scenery of the area are all captured in the building.
In the layout plan, the trees that originally existed on the site were left as much as possible, and the buildings were placed to intersect with the trees. The main house is shaped like an enoki tree with 10-meter branches in the center of the site, cherry trees, and camphor trees growing from the neighboring shrine. By keeping the building’s proportions low, it will stand quietly among the trees on the site, the shrine, and the trees on the hill behind the house in the future. It is hoped that this building will become a landscape of a similar shape as it ages. (Daisuke Kuroki)
【的形の週末住宅】
所在地：兵庫県姫路市
用途：別荘
クライアント：個人
竣工：2024年
設計：lyhty
担当：黒木大亮、玉利尚美、小泉美由紀、稲垣 樹、森永未結
構造設計：太田 彰（ルート構造設計事務所）、浦野淳一（JUNTOS）
大工：たにもと建築工房
左官：梶原組
板金：雅笑会
建具：鳥本建具店
RC造：福田工務店
電気：寺田電機商会
設備：ツルタ住設
材木：共栄木材、IOC、日林マテリアル
太陽光：monochrome
鉄鋼：ASTEC、カジヤ金属工藝
施工：直営分離発注方式
撮影：笹倉洋平（笹の倉舎）
工事種別：新築
構造：混構造
規模：地上3階
敷地面積：593.92m²
建築面積：122.73m²
延床面積：175.04m²
設計期間：2021.03-2023.01
施工期間：2023.05-2024.04
【Weekend House in Matogata】
Location: Himeji-shi, Hyogo, Japan
Principal use: Villa
Client: Individual
Completion: 2024
Architects: lyhty
Design team: Daisuke Kuroki, Naomi Tamari, Miyuki Koizumi, Itsuki Inagaki, Miyu Morinaga
Structural design: Akira Ota / root structural design office, Junichi Urano / JUNTOS
Carpenter: Tanimoto Kenchiku Kobo
Plastering: Kajiwaragumi
Sheet metal: Miyabi Shoukai
Fittings: Torimoto Tategu
RC construction: Fukuda Koumuten
Electricity: Terada Denki Shokai
Equipment: Tsuruta Jusetsu
Lumber: Kyoei Lumber, IOC, Nichirin Material
Solar power: monochrome
Steel: ASTEC, Kajiya Kinzoku Kogei
Contruction: Direct management separate ordering method
Photographs: Yohei Sasakura / Sasanokurasha
Construction type: New Building
Main structure: Mixed structure
Building scale: 3 stories
Site area: 593.92m²
Building area: 122.73m²
Total floor area: 175.04m²
Design term: 2021.03-2023.01
Construction term: 2023.05-2024.04
