/*トップページ*/
.nav ul {
		display: flex;
		margin-right: 30px;
		margin-top: 10px;
}
.nav li {
		margin-left: 20px;
}
.mainimage-box img {
		width: 100%;
}
.header {
		display: flex;
		justify-content: space-between;
		padding: 10px;
		height: 180px;
}
.box {
		position: relative;
}
.copy {
		font-size: 8vw;
		font-weight: bold;
		position: absolute;
		top: -10%;
		left: 5vw;
		line-height: 1.5;
		z-index: 2;
}
.nav a {
		color: #2A2A2A;
		font-size: 16px;
		display: block;
}
.nav a:hover {
		font-weight: bold;
}