各SNSのブランド規約やロゴ

各SNSのブランド規約やロゴの置き場所めも

Facebook
https://www.facebookbrand.com/
https://www.facebookbrand.com/dos-donts

Twitter
https://about.twitter.com/press/brand-assets

Google+
https://developers.google.com/+/branding-guidelines

YouTube
https://www.youtube.com/yt/brand/ja/using-logo.html
https://www.youtube.com/yt/brand/ja/downloads.html

Tumblr
http://www.tumblr.com/logo

LinkedIn
http://press.linkedin.com/logo-images

mixi
http://developer.mixi.co.jp/about-platform/policies/image_guidelines/

LINE
http://line.me/logo/ja
http://line.me/logo/guideline/ja