/* CSS Document */

main{}
	main section{
		margin-top: 2em;
		}
	main footer{
		margin-top: 1em;
		text-align: center;
		}

#subject{}
	#subject:after{
		background-image: url( ../images/title-bg.jpg);
		background-position: center 55%;
		}

a[target="_blank"] :after {
	 color: #fff;
}

/* for mobile */
@media (max-width: 767px) {
/*767以下px*/
main{}
	main article+article{
		margin-top: 2em;
		}
}


/* for TabletPC */
@media (min-width: 768px) {
/*768px以上*/
main{}
	main article+article{
		margin-top: 3em;
		}
	main header+section{
		margin-top: 3em;
		}
}


/* for PC */
@media (min-width: 992px) {
/*992px以上*/
main{}
	main article+article{
		margin-top: 4em;
		}
	main section{
		margin-top: 3em;
		}
}


/* ie */
@media all and (-ms-high-contrast: none){}