This house was designed for a couple involved in lighting design and their child. The project began with their desire to create a home that embodies “light within darkness,” questioning the uniform brightness common in ordinary residences.
Located on a small irregular site of less than 80 square meters in Toyonaka City, the plan makes use of the calm light at the rear of the lot to form spaces rich in contrast between light and shadow. The building takes a trapezoidal shape, with a low entrance leading to an LDK under an arched ceiling. Soft daylight filters from high windows during the day, while gentle indirect lighting at night creates serene shadows.
A stairway landing with a naguri-finished floor and a slit window adds a dynamic play of light to everyday movement, while the second floor includes a study and two private rooms that can be flexibly connected through sliding partitions.
Interior walls and ceilings are finished in plaster with three gradations of gray, producing depth in the light and shadow. The design allows the residents to experience subtle transitions of brightness throughout the day. The living room adopts a dimming system that adjusts lighting according to season and weather.