http://itpro.nikkeibp.co.jp/atcl/news/17/040601047/?P=2&n_cid=nbpitp_ampn&ST=spleaf
https://www.google.co.jp/amp/s/news.careerconnection.jp/%3fp=34034&=1
https://www.google.co.jp/amp/www.mag2.com/p/money/169601/amp
http://business.nikkeibp.co.jp/atcl/interview/16/031800001/061000011/?P=5&ST=smart