@charset "utf-8";

html {
font-size:62.5%;
}

body {
	-webkit-text-size-adjust:100%;
	background:#fff;
	color:#444;
	font-family:'Helvetica Neue',Helvetica,Arial,Roboto,'Droid Sans','Hiragino Kaku Gothic ProN','ヒラギノ角ゴ ProN W3','Hiragino Kaku Gothic Pro','ヒラギノ角ゴ Pro W3','メイリオ',Meiryo,sans-serif;
	text-align:justify;
}

a {
	color:#09f;
	text-decoration:underline;
}

img {
max-width:100%;
height:auto;

vertical-align:text-bottom;
}

ul, ol {
list-style:none;
}

.japanese {
font-family:'Hiragino Kaku Gothic ProN','ヒラギノ角ゴ ProN W3','メイリオ',Meiryo,Osaka,'ＭＳ Ｐゴシック','MS P Gothic',sans-serif;
}

.double-dash {
letter-spacing:-0.3em;
}

.back-to-top {
position:fixed;
right:10px;
bottom:40px;
z-index:2;
}

.back-to-top p a {
display:block;
padding:10px;
width:19px;
text-align:center;
background-color:#777;
background-color:rgba(0,0,0,0.4);
color:#fff;
text-decoration:none;
border-radius:3px;
}

.back-to-top p a:active {
background-color:#09f;
background-color:rgba(0,153,255,1);
text-decoration:none;
}

.back-to-top p a img {
width:19px;
}