[wpvideo tFnqC9XQ w=680]
VideoPress, especially as a video post format, usually provides some unique styling issues.
You will need to install Jetpack or Slim Jetpack plugin to turn the shortcode into a viewable video.
関連投稿
Post Format Test: Quote
Only one thing is impossible for God: To find any sense in any copyright law on the planet. Mark Twa...Post Format: Video (WordPress.tv)
Posted as per the instructions in the Codex.