/**
 * container
 */
@media screen and (max-width: 767px){
    .container {
        padding: 0;
        margin: 0;
    }
}

.page_title {
    font-size: 1.3rem;
}

h1 {
    margin-bottom: 20px;
}

.history_section {
    display: flex;
    max-width: 960px;
    margin: 0 auto;
}
@media screen and (max-width: 767px){
    .history_section {
        display: block;
        width: 100%;
    }
}

.archive_block {
    padding: 0;
}
@media screen and (max-width: 767px){
    .archive_block {
        width: 100%;
    }
}
.archive_block .archive_menu {
    position: sticky;
    position: -webkit-sticky;
    top: 10px;
}
.archive_block .archive_title {
    font-size: 120%;
    padding: 3px 10px;
    background-color: #00213B;
    color: #fff;
    margin-bottom: 10px;
}
@media screen and (max-width: 767px){
    .archive_block .archive_title {
        text-align: center;
        font-size: 110%;
    }
}
.archive_block ul {
    padding: 0 10px;
}
.archive_block li {
    list-style: none;
    padding: 5px;
    box-sizing: border-box;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -o-box-sizing: border-box;
    -ms-box-sizing: border-box;
    color: #00213B;
}
.archive_block li:hover {
    color: #00213B;
    text-decoration: underline;
    cursor: pointer;
}
.history_block {
    margin-left: 35px;
    margin-bottom: 10px;
}
@media screen and (max-width: 767px){
    .history_block {
        margin-left: 0;
    }
}
.history_detail {
    margin-bottom: 30px;
    width: 630px;
}
h3.title {
    font-size: 120%;
    background-color: #00213B;
    color: #fff;
    padding: 3px 10px;
    margin-bottom: 10px;
    font-weight: normal;
}
@media screen and (max-width: 767px){
    h3.title {
        font-size: 100%;
        text-align: center;
    }
    .member{
        font-size: 10px;
    }
}