Magome, a former post-town of the Nakasendo Highway, flourishes now owning to historic environment. But people failed to keep building regulations by mutual consent the environment as a whole have become worse. On the other hand there have been lively diversity. But if leaving as it is, the diversity will be confusion. So we search for a different way of conservation from strict restoration. For that purpose we must find out the common language mediating between a building and environment, which can be found in the rationality of the historic building and environment.
