Miyanosawa House Yosuke Tomiya Architectural Design Co., Ltd. 4-8, 16-chome, 5-jo, Shinkawa, Kita-ku, Sapporo, Hokkaido Borrowed Scenery Wood Texture High Sidelight High Airtightness and High Insulation Exposed Beam Semi-Basement Skip Floor Second-Floor Living Two-Family House Ground‑source heat pump Underfloor central heating