It is what extended in an existing main building. A wooden structure material such as pillars and beams is shown, and the board material of [muku] is used for the ceiling, the floor, and the wall, etc.The floor is 40mm thickness. ?I think that I also have been aiming so far, and the result was good also though the idea of valuing the material feeling of the tree is a construction main idea. An existing main building is making a European style large wall, and it became atmosphere that entered even if it said the element of a European style private house and mixed with the Japanese-style room, too. and it draws out and it is possible the rise getting off in easiness from the slide gangway the closet the back of the ceiling. The structure is a design that the element also took ..[sasutei;naburu] (..sustainable.. life support ?) that is an internal space as it is.., and.