Front Addition
This whole $350K Büro für Bauform project is spectacular. They do the thing I've been wondering about, applying industrial materials to economize housing while making it luxurious. Check out translucent polycarbonate middle section. Admittedly, industrial materials in regions outside Germany may be a lot lower quality.
This is "a standing seam roof. It's most likely 26ga or 24 ga and was either installed by a roof contractor or a metal fabricator. Generally either company owns a machine that will break the profile of the panel from a coil. Then each panel is installed from eave to ridge. There are a few styles of fastening systems ie. snap lock, screws. A true standing seam is fastened with clips then a seamer is used to fold it into the next panel."
2nd floor interior. "Japanese houses are sited north-south, with the main rooms facing south, to ensure steady sunlight throughout the day. Views — ideally of mountains or water but more often of a garden — are essential. Natural light is considered a human right in Japan for homeowners and apartment dwellers alike."

sheltered, 2-storey black-trimmed glass box with plenty of balcony-verandah and sitting-stair connection to the outside. Functional and aesthetic.
Q