Fundamental and demonstrative research on the Japanese calligraphic style as phenomenon in the history of writing system

本研究计划首先从书法风格的角度对日本文字系统史料进行分类，并对其作为文字系统的特征进行重新考察。研究结果证明了以下几点。1)日本文字系统的双轨历史是由社会教育等级制度维持的。可以使用多种写作风格，这证明了教育程度的高度。3)这是描述完整的日本文字系统历史所不可缺少的一个观点。

In this research program, historical materials of Japanese writing system were classified from a viepoint of calligraphic style firstly, and their characteristics as writing system were re-investigated. As the result of the research, the following things were proved. 1) Double-tracked history of Japanese writing system was kept by social hierarchy of education. 2) It was the proof of the height of the degree of education that many styles of writing could be used. 3) This is a viewpoint indispensable to describe the complete history of the Japanese writing system.