body {
        font-family:Helvetica, Arial, sans-serif;
        margin:0;
        padding:0;
        font-size:100%;
        color: #fff;
        background-color: #000;
}


a { 
    color:#777777;
    text-decoration: none; 
}


a:hover{
    color:#777777;
}


hr {
    margin-bottom: 15px;
}


hr.hr001 {
    display:block; 
    width:95%; 
    height:1px; 
    border:0px; 
    border-top: 1px #345678 dashed ;
}


main {
    position: absolute;
    top: 60px;
	width: 100%;
}


.box1 {
    width:320px; 
    border:1px solid gray; 
    padding:20px; 
    font-size:16px; color:#ffffff; 
    line-height:220%; 
    text-align:left;
}


.slicknav_menu {
	display:none;
}




/* ----------------- ??? -------------------- */
@media screen and (max-width: 40em) {
	.js #menu {
		display:none;
	}
	.js .slicknav_menu {
		display:block;
	}
}












/* ----------- ドロップダウンの ドロップダウンする前 --------------- */
header {
    height: 40px;
    z-index: 1000;
    position: fixed;
    color: white;
    background-color: #333;
    width: 100%;
}


header .menu_button {
    border-left: solid 1px white;
    float: right;
    width: 70px;
    height: 100%;
    text-align: center;
}


header .menu_button span {
    line-height: 40px;
}






/* ----------- ドロップダウンの中 --------------- */
header nav {
    position: absolute;
    top: 100%;
    background-color: #333;
    color: white;
    width: 100%;
}


header nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
}


header nav ul li:first-child {
    border-top: solid 1px white;
}


header nav ul li {
    border-bottom: dotted 1px white;
    text-align: center;
    padding: 1em;
}