監訳済み&原文削除
Merge pull request #31 from yukihr/master

監訳(#28)を反映
監訳済み&原文削除
Merge pull request #32 from mitsuruog/work

[監訳済み]css-style
Merge branch 'work' of https://github.com/enja-oss/stylus into work
Merge pull request #33 from mitsuruog/work

[監訳済み]conditionals