./bin:/usr/local/bin:/Users/hioki/.rbenv/shims:/Users/hioki/.rbenv/shims:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/opt/X11/bin:/Users/hioki/.rbenv/shims:/usr/local/sbin:/usr/local/sbin:/usr/local/heroku/binはわかりづらいので削除