body{
    background-color: #FFFFC0;
}

*{
    font-family: "UD Digi Kyokasho NK-R", "Meiryo UI";
    scroll-behavior: smooth;
}

.content{
    margin: 20px auto;
    width: 1024px;
    display: flex;
}

.m-top-20{
    margin-top: 20px;
}

h1, h2, h3, h4, h5, p{
    margin: 0;
}

h2{
    margin: 12px;
}
h3{
    margin: 10px;
}
h4{
    margin: 8px;
}

.share_btn{
    text-align:right;
    margin: 20px auto;
    width: 800px;
}

.info{
    border: 2px solid black;
    margin: 20px auto;
    padding: 20px;
    width: 800px;
    background-color: rgba(217, 213, 221, 0.95);
}

.info img.logo{
    margin: 20px 0;
}

.info img.img_border {
    border: 2px solid black;
}

.schedule-area{
    text-align: left;
    margin: 30px;
    padding: 10px;
    background-color: #ffb778;
}

span.red{
    color: rgb(200, 0, 0);
}

.sentence_block{
    background-color: #ffb778;
    text-align: left;
    padding: 20px;
}

.twitter-area{
    padding: 20px;
}

@media screen and (max-width: 768px){
    .twitter-area{
        display: none;
    }
}

ul{
    margin: 0;
}

ul.main_menu{
    list-style: none;
}


ul.main_menu li{
    font-size: 18px;
    margin: 0 0 6px;
}

.flex{
    display: flex;
}
#history{
    line-height: 1.6em;
}