@charset "utf-8";

/* ------------------------- メディア共通設定 ------------------------- */

/* ------------------------- サイト全体の設定 ------------------------- */

html {
    font-size: 62.5% ;/* rem単位へのベースとして10px */
}

/* ------ font family ------ */


@font-face {
    font-family: "source-han-serif-japanese";
    font-style: normal;
    font-weight: 400;
    src: url(../fonts/SourceHanSerifJP-Regular.otf) format('opentype');
}


@font-face {
    font-family: "source-han-serif-japanese";
    font-style: normal;
    font-weight: 600;
    src: url(../fonts/SourceHanSerifJP-SemiBold.otf) format('opentype');
}



body {
    font-family: "source-han-serif-japanese", serif;
    font-style: normal;
    font-weight: 200;
    color: #434343;
    font-size: 1rem;
    background: url(../images/bg.gif) repeat;

}

html, body {
    width: 100%;
    height: 100%;
}

/* ------ clearfix ------ */

.cf::after {
    content: "";
    display: block;
    height: 0;
    font-size: 0;
    clear: both;
    visibility: hidden;
}

div#container {
    width: 100%;
    height: 100%;
}


/* ------ トップへ戻るボタン ------ */

p#return_top {
    position: fixed;
    right: 5%;
    bottom: 5%;
    display: none;
}

p#return_top a {
    padding: 10px 18px;
    background: #7ebeab;;
    color: #fff;
    line-height: 1rem;
    font-size: 1.5rem;
    text-decoration: none;
    border: 2px solid #fff;
    border-radius: 10px;
    opacity: 0.3;
}


p#return_top a:hover {
    opacity: 1;
    color: #fff;
}