section#top {
    padding-top: 60px;
    text-align: center;
}

section#top h2 {
    width: 200px;
    margin: 0 auto 3px auto;

}

#brain {
    width: 220px;
    margin: 0 auto 7px auto;
}

section#top h1 {
    width: 260px;
    margin: 0 auto 40px auto;

}



a.btn1 {
    width: 180px;
    border: 3px solid #8333EA;
    padding: 8px 0px 8px;
    color: #8333EA;
    background: #fff;
    font-size: 18px;
    font-weight: bold;
    display: block;
    margin: 0 auto 25px auto;
    text-align: center;
    text-decoration: none;
}

a.btn1:hover {
    color: #fff;
    background: #8333EA;
}

nav#ui {
    width: 100%;
    position: fixed;
    bottom: 0;
    z-index: 9999;
    border-top: 1px solid #8333EA;
    background: rgba(255, 255, 255, 0.8);

}

#navUl {
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: flex;
    gap: 10px 15px;
    /* 余白 */
    margin-top: 10px;
    margin-bottom: 10px;
    margin-right: 15px;
    margin-left: auto;
    width: 200px;
    flex-direction: row-reverse;
}

#navUl li {
    width: 30px;
    padding: 2px;
    display: block;
    background: url('../img/icons.svg');
    -webkit-background-size: 150px;
    background-size: 150px;
    text-indent: -99999px;
    cursor: pointer;
    overflow: hidden;
    background-position: -0px 0px;

}

#navUl li.close {
    background-position: -30px 0px;
}



#navUl li.prev {
    background-position: -60px 0px;
}

#navUl li.back {
    background-position: -90px 0px;
}

#navUl li.twitter {
    background: none;
}

#navUl li.twitter a {
    background-size: 30px;
    display: block;
    background: url('../img/twicons.svg');
    width: 30px;
}

#navUl li.close.hide,
#navUl li.twitter.hide,
#navUl li.prev.hide,
#navUl li.back.hide,
#navUl li.menu.hide {
    display: none;
}

div#popMenu {
    position: fixed;
    top: 0;
    left: 0;
    background: #fff;
    z-index: 8000;
    width: 100%;
    height: 100%;
    color: #8333EA;
}

div#popMenu.hide {
    display: none;
}

div#popMenu h3 {
    font-size: 20px;
    font-weight: bold;
    padding-bottom: 6px;
    margin-bottom: 25px;
    text-align: center;
    border-bottom: 3px solid #8333EA;
}

div#popNenuInner {
    width: 330px;
    margin: 40px auto 0 auto;
}

#pageNav {
    width: 100%;
    padding: 15px;
}

#pageNav li {
    width: 100%;
    padding-bottom: 10px;
    margin-bottom: 10px;
}

#pageNav li a {
    color: #8333EA;
    text-decoration: none;

    border-bottom: 1px dotted #8333EA;
    width: 100%;
}

section#about {
    padding: 15px;
    max-width: 400px;
    color: #8333EA;
}

section#about h1 {
    font-size: 20px;
    margin-bottom: 10px;
}

section#about p {
    margin-bottom: 20px;
}

div#example {
    padding: 20px 5px;
    position: relative;
    text-align: center;
}

#exImg {
    max-width: 205px;
    margin: 0 auto;
    padding: 15px;
}

#expop {
    position: absolute;
    top: -5px;
    left: 5px;
    background: #8333EA;
    border-radius: 100%;
    width: 45px;
    height: 45px;
    text-align: center;
    line-height: 45px;
    color: #fff;
    padding: 0;
    vertical-align: text-bottom;
}

p.small {
    font-size: 12px;
    margin-top: -5px;
}

#kakusi {
    display: none;
}

#about {
    margin: 0 auto;
}

section#setting h1 {
    max-width: 220px;
    font-size: 12px;
    margin: 0 auto;
    margin-bottom: 5px;
    font-weight: 100;
    color: #8333E8;

}

#speedsetting {
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: flex;
    max-width: 220px;
    text-align: center;
    border: 1px solid #8333E8;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 10px;
}

#speedsetting li {
    border-right: 1px solid #8333E8;
    color: #8333E8;
    background: #fff;
    font-size: 12px;
    width: 25%;
    cursor: pointer;
}

#speedsetting li:last-child {
    border-right: none;
}

#speedsetting li.selected {
    border-right: 1px solid #8333E8;
    color: #fff;
    background: #8333E8;
}

#monNumsetting {
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: flex;
    max-width: 220px;
    text-align: center;
    border: 1px solid #8333E8;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 30px;
}

#monNumsetting li {
    border-right: 1px solid #8333E8;
    color: #8333E8;
    background: #fff;
    font-size: 12px;
    width: 25%;
    cursor: pointer;
}

#monNumsetting li:last-child {
    border-right: none;
}

#monNumsetting li.selected {
    border-right: 1px solid #8333E8;
    color: #fff;
    background: #8333E8;
}