body {
font-family: '游ゴシック Medium', 'Yu Gothic Medium', '游ゴシック体', YuGothic, 'ヒラギノ角ゴ Pro', 'Hiragino Kaku Gothic Pro', 'Noto Sans Japanese', 'メイリオ', 'Meiryo', Osaka, 'ＭＳ Ｐゴシック', 'MS PGothic', sans-serif;
font-size: 16px;
line-height: 1.7;
margin: 0;
padding: 0;
color: #fff;
background-color: #2B2B2B;
}

@font-face {
    font-family: 'font_woff';
    font-style: normal;
    font-weight: 400;
    src: url('https://use.fontawesome.com/releases/v5.6.1/webfonts/fa-solid-900.woff2') format('woff2');
    src: url('https://use.fontawesome.com/releases/v5.6.1/webfonts/fa-brands-400.woff2') format('woff2');
    font-display: swap;
}

h1, h2, h3, h4, h5, h6 {
font-weight: bold;
}
h1{
    font-size: 5vw;
}
.phone_font{
    font-size: 1.2em;
}

header,footer{
    width: auto;
    max-width: 100%;
    text-align: center;
}
.copyright{
    font-size: 0.6em;
}


.container{
    width: 100%;
    margin: 0 auto;
    padding: 1em 0;
    color: #333;
    background-color: #fff;
}
.contents{
    text-align: center;
}
.contents img {
    width: 100%;
    max-width: 660px;
    height: auto;
}

.contents img.icon {
    width: auto;
    vertical-align: middle;
}
h1 img.icon {
    height: 1em;
}
p.history{
    max-width: 330px;
    margin: 0 auto 0.5em;
    border-bottom: 2px dotted #2B2B2B;
}
p.box-s{
    max-width: 330px;
    margin: 0 auto 1em;
    text-align: left;
}

/* main */
.main{
  margin-bottom: 2em;
}
.main input[type="button"] {
    width: 100%;
    max-width: 300px;
    height: 3em;
    padding: 0  0.5em;
    font-size: 2em;
    background-image: linear-gradient(0deg, #a7d9f5, #eaf6fd);
    border: 1px solid #3c7fb1;
    border-radius: 5em;
}
.main input[type="button"]:hover {
   background-image: linear-gradient(0deg, #a7d9f5, #eaf6fd);
   border: 1px solid #2c628b;
}
.main input[type="button"]:active {
   background-image: linear-gradient(180deg, #a7d9f5, #eaf6fd);
   border: 1px solid skyblue;
}



/* Scratch */
.scratch{
    position:relative;
    width:100%;
    max-width: 600px;
    height:0;
    padding-top:75%;
    margin: 0 auto;
    background: #ddd;
    border-radius: 5px;
}
.scratch iframe{
    position:absolute;
    top:0;
    left:0;
    width:99%;
    height:99%;
}



/* アコーディオンメニュー */
.acd-check{
    display: none;
}
.acd-label{
    background: #333;
    color: #fff;
    display: block;
    margin-bottom: 1px;
    padding: 10px;
}
.acd-content{
    border: 1px solid #333;
    height: 0;
    opacity: 0;
    padding: 0 10px;
    transition: .5s;
    visibility: hidden;
}
.acd-check:checked + .acd-label + .acd-content{
    height: 100%;
    opacity: 1;
    padding: 10px;
    visibility: visible;
}
.acd-content a {
    display: block;
    width: 80%;
    margin: 0 auto;
    padding: 8px;
    box-sizing: border-box;
    text-decoration: none;
    color: #FFE967;
    border: 1px solid #222;
    border-bottom: 4px solid #222;
    background: #333;
}
.acd-content a:hover{
    color: #333;
    background-color: #FFE967;
    border: 1px solid #FFE967;
    border-bottom: 4px solid #FFE967;
    transition: all .3s;
}
.acd-content h3 {
    border-bottom: 1px dashed #ccc;
    width: 80%;
    margin: 1.5em auto 0.5em;
}
.acd-check:checked + .acd-label + .acd-content {
    height: auto;
    opacity: 1;
    padding: 10px;
    visibility: visible;
}
.acd-content {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    padding: 0 10px;
    transition: max-height .5s ease, opacity .5s ease;
}
.acd-check:checked + .acd-label + .acd-content {
    max-height: 100%; /* 十分大きな値 */
    opacity: 1;
    padding: 10px;
}


/* リストの基本設定 */
dl{
    width:100%;
    padding: 0 1em;
    margin: 4em auto 8em;
    box-sizing: border-box;
}
dt{
    font-size: 2em;
    font-weight: bold;
}
dd{
    font-size: 1.0em;
    margin: 1.6em 0;
}
dd img{
    width: 100%;
}
dd.author img{
    width: 50%;
    max-width: 300px;
}
dd a{
    color: #FFE967;
    text-decoration: none;
}



/*footerのリスト*/
dd.link{
    border: 1px solid #fff;
    border-radius: 5px;
}
dd.link:hover{
    background-color: #FFE967;
    border: 1px solid #FFE967;
    transition: all .3s;
}
dd.link a{
    display: block;
}
dd.link a:hover{
    color: #333;
}
dd.link a::before{
    content: '\f35d';
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    padding-right: 16px;
}
dd.circle img{
    width:100%;
}
footer dd{
    text-align:left;
}
footer dd.left{
    text-align:left;
}
footer dd.center{
    text-align:center;
}

/* 下部のSNSボタン */
ul.link-button{
    width:100%;
    max-width: 768px;
    margin: 0 auto;
    padding: 0;
}
ul.link-button::after{
content:"";
display:block;
clear:both;
}
ul.link-button li {
float: left;
display: table;
width: 100px;
height: 100px;
margin: 0.2em;
font-size: 2em;
border: 1px solid #fff;
border-radius: 50%;
-moz-border-radius: 50%;
-webkit-border-radius: 50%;
box-sizing: border-box;
}
ul.link-button li:hover{
border: 1px solid #FFE967;
}
ul.link-button li a{
    display: table-cell;
    vertical-align: middle;
    text-align: center;
    color: #fff;
    border-radius: 50%;
    -moz-border-radius: 50%;
    -webkit-border-radius: 50%;
    box-sizing: border-box;
}
ul.link-button li a:hover{
    color:  #2B2B2B;
    background-color: #FFE967;
    border: 1px solid #FFE967;
    transition: all .3s;
}



/* flex */
.link-button{
    display: flex;
    justify-content: center;
}


@media (min-width: 660px) {
    .contents,footer,header{
        max-width: 660px;
        margin: 0   auto;
    }
    .phone_font{
        font-size: 1.5em;
    }
    .copyright{
      font-size: 1em;
    }
    dd.circle img{
        width:100%;
        max-width: 660px;
    }
    footer dd{
        text-align:center;
    }
    h1{
        font-size: 2em;
    }
}