詳しくは、こちら https://www2.osaka-c.ed.jp/ibaraki-y/%E4%BB%A4%E5%92%8C3%E5%B9%B4%E5%BA%A6%E7%AC%AC%EF%BC%93%E5%9B%9E%E5%AD%A6%E6%A0%A1%E9%81%8B%E5%96%B6%E5%8D%94%E8%AD%B0%E4%BC%9A%E8%AD%B0%E4%BA%8B%E9%8C%B2%20.pdf
