What materials are most traditional Japanese houses made of?

There are three main types of houses in Japan: one is a traditional house, the so-called "single-family" house, which is called "single-family" house in Japanese. The building materials of houses are mainly wood, generally including "earth houses", "intermediary houses", "bedrooms", "connecting houses" and "bathrooms". ; The other is apartment-style residence, which is called "residence with * * *" in Japanese, and is mostly reinforced concrete structure, and its internal structure is similar to that of apartment-style residence in China. There is also an old-fashioned apartment, which is called "Longwoulou" in Japanese. The appearance is long and narrow, mostly wooden one-story or two-story buildings. The owner built it himself and rented it out to others. According to Japanese government statistics, by the end of 1998, there were 43.892 million occupied houses in Japan, including 25.278 million traditional houses (including 6.286 million first-floor houses); Apartment16458,000 sets, "longhouse" housing1948,000 sets.