/* リセットここから */
html, body, div, span, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
abbr, address, cite, code,
del, dfn, em, img, ins, kbd, q, samp,
small, strong, sub, sup, var,
b, i,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, figcaption, figure,
footer, header, hgroup, menu, nav, section, summary,
time, mark, audio, video {
    margin:0;
    padding:0;
    border:0;
    outline:0;
    font-size:100%;
    vertical-align:baseline;
    background:transparent;
}

body {
    line-height:1;
}

article,aside,details,figcaption,figure,
footer,header,hgroup,menu,nav,section {
    display:block;
}

nav ul {
    list-style:none;
}

blockquote, q {
    quotes:none;
}

blockquote:before, blockquote:after,
q:before, q:after {
    content:'';
    content:none;
}

a {
    margin:0;
    padding:0;
    font-size:100%;
    vertical-align:baseline;
    background:transparent;
}

ins {
    background-color:#ff9;
    color:#000;
    text-decoration:none;
}

mark {
    background-color:#ff9;
    color:#000;
    font-style:italic;
    font-weight:bold;
}

del {
    text-decoration: line-through;
}

abbr[title], dfn[title] {
    border-bottom:1px dotted;
    cursor:help;
}

table {
    border-collapse:collapse;
    border-spacing:0;
}

hr {
    display:block;
    height:1px;
    border:0;  
    border-top:1px solid #cccccc;
    margin:1em 0;
    padding:0;
}

input, select {
    vertical-align:middle;
}
/* リセットここまで */

/* 変数 */
:root {

}

/* 基本設定 */
html {
    font-size: 62.5%;
}

body {
    font-size: 1.6rem;
    font-family: "Helvetica", "Helvetica Neue", "Arial", "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN", "游ゴシック", "メイリオ", "Meiryo", "verdana", sans-serif;
    overflow-x: hidden;

}

a {
    text-decoration: none;
    color: #000;
}

li {
    list-style-type: none;
}

/* トップへ戻るボタン */
#page_top{
    width: 50px;
    height: 50px;
    position: fixed;
    right: 22px;
    bottom: 25px;
    background: #fff;
    opacity: 0.6;
    border-radius: 50%;
}
#page_top a{
    position: relative;
    display: block;
    width: 50px;
    height: 50px;
    text-decoration: none;
    text-align: center;
}
#page_top a::before{
    font-family: "Font Awesome 5 Free";
    content: '\f106';
    font-weight: 900;
    font-size: 25px;
    color: #66C4D7;
    position: absolute;
    width: 25px;
    height: 25px;
    top: 10px;
    bottom: 10px;
    right: 0;
    left: 0;
    margin: auto;
}