https://www.youtube.com/watch?v=e3gSsd8N6PY
https://mainichi.jp/articles/20190402/k00/00m/010/175000c
毎日新聞 2019 4 2
https://www.nhk.or.jp/senkyo/database/shugiin/2017/#!skh_3404
https://www.asahi.com/articles/ASR9P5V8RR9PUTIL02K.html?iref=pc_photo_gallery_bottom