参考サイト様
https://github.com/paulirish/matchMedia.js/
https://dev.mozilla.jp/2012/08/using-window-matchmedia-to-do-media-queries-in-javascript/
http://sozoen.com/yuichiro/javascript-responsive
http://webutubutu.com/webdesign/2523
MyDesign designer's dialy
参考サイト様
https://github.com/paulirish/matchMedia.js/
https://dev.mozilla.jp/2012/08/using-window-matchmedia-to-do-media-queries-in-javascript/
http://sozoen.com/yuichiro/javascript-responsive
http://webutubutu.com/webdesign/2523