/id304878510 https://apps.apple.com/jp/app/slack/id618783545 https://apps.apple.com/jp/app/slack/id618783545 https://apps.apple.com/jp/app/quip-docs-chat-sh...
https://www.apple.com/jp/business/enterprise/docs/resources/Apps_in_Business_Getting_Started_Guide_JP.pdf