.campaign__list__wrap {
    display: flex;
    width: 100%;
    flex-wrap: wrap;
    /* 折り返し */
    gap: 0px;
    /* 任意：余白 */
}

@media (max-width: 640px) {
    .campaign__list__wrap>details {
        flex: 0 0 100%;
    }
}


.main_section {
    width: 100%;
}

@media (max-width: 640px) {
    .main_section {
        width: 92%;
    }
}

.accordion-search-wrap {
    padding: 8px 0;
}

.accordion-search {
    width: 100%;
    max-width: 420px;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-size: 14px;
}

.accordion-search-empty {
    margin: 8px 0 0;
    font-size: 12px;
    opacity: 0.7;
}