@charset "UTF-8";

body{
	font-family: sans-serif;
	background-color: #fffaf0;
background-image:url("../img/back4.jpg");
background-position: center;
background-size: cover;
min-height: 100vh;
}

img{
	vertical-align:bottom;
}

h1{
	color:black;
	font-size:2.6em;
	font-weight:bold;
	text-align:center;
}

header{
	background-color: darkgray;
	padding: 30px 0;
	margin-bottom: 40px;
}

main{
	width:640px;
	margin:0 auto;
	display:block;
}

figure{
	margin-bottom:20px;
}

ul{
	margin:0 auto;
}

ul li{
	margin-right:10px;
	margin-bottom: 10px;
	float:left;
	list-style-type:none;
}

ul li a:hover{
	transition:opacity .3s;
	opacity:.5;
}

ul li:last-child{
	margin-right:0;
}


/* レスポンシブへ変更 */

@media only screen and (max-width: 768px) {
	main {
		width: 98%;
	}
}

img{
max-width:100%;
height:auto;
}
.mo7{
width: 150px;
height: 100px;
margin: 0 auto;
overflow: hidden;
}
.mo7 img{
width: 100%;
transform: scale(1.1);
cursor: pointer;
filter: grayscale(100%);
transition-duration: 0.5s;
}
.mo7 img:hover{
filter: grayscale(0);
transition-duration: 0.5s;
}
footer {
    background:darkgray;
    text-align: center;
    padding: 15px 0;
	margin-top: 80px;
}
footer p {
    color: black;
    font-size: 1rem;