Revert "141120_idを判別し、CSSを出し分けるサンプル"

This reverts commit e50a7dfaba6bb73875b8fa08614c6f3673ac5e27.
Revert "Revert "141120_idを判別し、CSSを出し分けるサンプル""

This reverts commit 3a0da4e7bc98e40b3e11f2cfab9046efa8be9c4c.
ｊｓの変数で読み込みCSSを出しわけ