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