main {
    box-sizing: content-box;
    min-height: 100vh;
    height: 100%;
}
.main_content {
    width: 90%;
    padding: 50px 0;
}
.list_wrap {
    background: white;
    margin-bottom: 40px;
}
.list_wrap .row {
    position: relative;
    display: block;
    max-width: 90%;
    margin: 0 auto;
    padding: 10px 50px 10px 20px;
}
.list_wrap .row::before {
    position: absolute;
    transform: rotate(-45deg);
    content: "";
    top: 0;
    bottom: 0;
    right: 5%;
    width: 10px;
    height: 10px;
    margin: auto;
    border-right: 3px solid #dad8d8;
    border-bottom: 3px solid #dad8d8;
}
.list_wrap .row:not(:last-child) {
    border-bottom: 1.5px solid #dad8d8;
}
.list_wrap .row h2 {
    font-size: 18px;
}
.list_wrap .row span {
    color: #dad8d8;
    font-size: 12px;
}
/* 詳細 */
.notice_detail > h1.tle {
    font-size: 20px;
    padding-bottom: 10px;
    margin-bottom: 40px;
    border-bottom: 2px solid #dad8d8;
}
.notice_detail > .txt {
    font-size: 18px;
    margin-bottom: 40px;
}
.notice_detail > .date {
    color: #828282;
    font-size: 14px;
    margin-bottom: 15px;
}
/* .詳細 */
@media screen and (max-width: 420px) {
    .list_wrap .row h2 {
        font-size: 16px;
    }
    .list_wrap .row {
        padding: 10px 35px 10px 10px;
    }
    /* 詳細 */
    .notice_detail > h1.tle {
        font-size: 16px;
        margin-bottom: 20px;
        border-bottom: 1.5px solid #dad8d8;
    }
    .notice_detail > .txt {
        font-size: 14px;
    }
    /* .詳細 */
}