body, header, footer, #container, #headeropen, #footeropen, h1, h2, h3, h4, h5, h6{
    margin: 0;
}
body{
    font-size: 15px;
	line-height: 1.618;
    font-family: 'HelveticaNeue','Helvetica','Avenir','Arial','Hiragino Sans',YuGothic,'Yu Gothic', Meiryo,'MS PGothic',sans-serif;
    padding: 0;
}
p{
    margin: 15px 0 0 0;
}
.chapter h3, .chapter h4{
    color: white;
}
a:link{
	color: #2480cc;
}
a:visited{
	color: #fa1f8a;
}
#container{
    background-color: #ffdc00;
    padding: 0;
}
#headeropen, #footeropen{
    background-color: white;
    padding: 0;
    text-align: center;
}
.tab{
    display: table;
	table-layout: fixed;
	text-align: center;
	width: 100%;
    background-color: white;
    margin: 0;
    padding: 0;
}
.tab li{
    border-right: 1px solid #dddddd;
	display: table-cell;
	vertical-align: middle;
}
.tab li:last-child{
	border-right: 0;
}
.tab li a{
	display: block;
	text-decoration: none;
	padding: 10px 0;
}
.tab li:hover{
	background-color:#dddddd;
}
.tab li:active{
	background-color:#dddddd;
}
.pair{
    width: 100%;
    text-align: center;
}
.member{
    text-align: left;
    padding: 10px;
}
.member h2, .member h4{
    text-align: center;
    margin: 10px 0 5px 0;
}
.sub{
    font-size: 0.625em;
}
.member img{
	height: 150px;
	width: auto;
	vertical-align: middle;
}
.chapter{
    padding: 15px 40px 15px 40px;
}

.widepic img{
    width: 100%;
    max-width: 600px;
    margin-left: 0;
}

.menu{
    background-color: white;
    border-color: white;
    border-style: solid;
    border-width: 2px;
    border-radius: 15px;
    width: 90%;
    padding: 10px;
    vertical-align: middle;
	text-align: center;
    margin: 5px auto;
}

.menu:hover{
    background-color: #ffdc00;
}

@media screen and (min-width: 800px){

    #headeropen, #container, #footeropen{
	    width: 1060px; margin: auto;
    }
    .chapter{
	    width: 980px;
    }
    .widepic img{
        width: 600px;
        margin-left: 20px;
    }

    .member{
	    width: 40%;
    }
    .pair{
	    display: flex;
	    justify-content: space-around;
    }
    .flexbox{
        display: flex;
    }
}