Jodaiyo is a general term for the "Japanese calligraphy school Japanese style" and "kana calligraphy," such as the three great brush traces and ancient calligraphy in the Heian period.
上代様（じょうだいよう）とは、平安時代の三跡の書や古筆などの日本の書流和様と仮名書の総称である。