.htaccess to force all accesses to go to an HTTPS site (SSL site), after you changed your site from HTTP to HTTPS.

Official Site

If all page-names are the same as before and after of your work, copy and paste the following content to your .htaccess.

RewriteEngine On
RewriteCond %{HTTPS} off
RewriteRule ^(.*)$ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]

RainbowLink Inc. ( 株式会社レインボーリンク )

https://jp.Rainbow-Link.com/

RainbowLink Inc.
https://www.Rainbow-Link.com/