On Safari, the link might be blocked in a different tab when setting up like below in Chat bot+.
With different setting method, you can open link in a different tab.
Paste the link in the message using original tag
(1)Click the setting button on the upper right of the management page.
(2)Click [Chat]>[Function]>[Chat bot+] on the left side of the screen.
(3)Click [Add parts]
(4)Enter "Part's name" and "Detail"
※Leave the box at the top right "ID" empty, it will automatically be filled when Chat bot+ is created.
(5)Set rules and in the section "Action", click [Message] from the pull down.
(6)Enter message and use original tag in where you want to insert link.
■[[cplink_target="URL":letters]]：Link in different tab
■[[cpb:letters]]：Letters becomes bold
■Punctuate with [;]：Designate multiple original tags
「Insert links and change the design in sentences」.