Looking for logging into the Line With Email site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Line With Email site. After that you can login as usual with your login credentials.
https://idmlab.eidentity.jp/2018/03/line-loginemailidtoken.html
https://developers.line.biz/en/docs/line-login/web/integrate-line-login/
https://help.line.me/line/mac/?contentId=20002407
http://pierre3.hatenablog.com/entry/2018/04/01/090850
https://qiita.com/nkjm/items/c8eac296dfee14fe5cf7
https://qiita.com/acro5piano/items/49921ca6ad6d177ce489
https://qiita.com/RingCaptcha/items/4e58bbfcb71972102e4a
https://z-code.hateblo.jp/entry/2018/04/22/105639
http://milk0824.hatenadiary.jp/entry/2016/04/08/021052
https://teratail.com/questions/107031
https://medium.com/linedevth/line-login-version-2-1-104cd32562c5
https://teratail.com/questions/74674
https://engineering.linecorp.com/ja/blog/introducing-the-line-login-platform/