@charset "UTF-8";

/*タイトル*/
#advertisement-top {
	height: 90px;
	margin-bottom: 15px;
	margin-left: calc(50% - 50vw);
	margin-right: calc(50% - 50vw);
	background: url(../img/top-bg.png) center center no-repeat;
}

#advertisement-top h1 {
	padding-top: 20px;
	margin: 0;
	color: #FFF;
	text-align: center;
	font-size: 32px;
	font-weight: bold;
	background: none;
}

.course {
	width: 1000px;
	margin: 0 auto;
}
.course div {
	margin-top: 50px;
}
.course img:hover {
	opacity: 0.7;
}

/* for smart phone & tablet*/
@media screen and (max-width: 1000px) {
	.course {
		width: 100%;
	}
	.course img {
		width: 100%;
		height: auto;
	}
	.course div {
		margin-top: 40px;
	}
}
/* for smart phone */
@media screen and (max-width: 500px) {
	#advertisement-top {
		height: 70px;
	}
	#advertisement-top h1 {
		font-size: 20px;
	}
	.course div {
		margin-top: 30px;
	}
}
/* for smart phone */
@media screen and (max-width: 320px) {
	#advertisement-top {
		height: 60px;
	}
	#advertisement-top h1 {
		padding-top: 10px;
		font-size: 16px;
	}
	.course div {
		margin-top: 20px;
	}
}