div.news div.contents-outer {
    position: relative;
    width: 100%;
    min-height: 5rem;
    padding: 1rem 0;
    border-radius: 12px;
    box-sizing: initial;
}

div.news * {
    color: white;
}

div.news div.contents-outer div.contents {
    width: 100%;
    margin: 0;
    padding: 0;
}

div.news div.contents-outer div.contents :where(ul, li) {
    margin: 0;
    padding: 0;
    list-style: none;
}

div.news div.contents-outer div.contents > ul {
    gap: 0;
}

div.news div.contents-outer div.contents > ul > li {
    border-bottom: 2px solid #fff;
}


div.news div.contents-outer div.contents li.year-group:last-child {
    margin-bottom: 0;
}

div.news div.contents-outer div.contents li.year-group div.fiscal-year {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    padding: 0.5rem 0;
}

div.news div.contents-outer div.contents li.year-group div.fiscal-year h3 {
    font-weight: normal;
    margin: 0;
}

div.news div.contents-outer div.contents li.year-group div.news-list {
    max-height: 0;
    overflow: hidden;
}

div.news div.contents-outer div.contents li.year-group div.news-list.is-expanded {
    border-top: solid 1.5px #fff;
}

div.news div.contents-outer div.contents li.year-group div.news-list.is-expanded {
    max-height: 5000px;
}

div.news div.contents-outer div.contents li.year-group div.news-list ul {
    width: calc(100% - 1rem);
    margin: 1rem 0 1rem 1.1rem;
}

div.news div.contents-outer div.contents li.year-group div.news-list ul li  {
    margin-bottom: 1rem;
    list-style: disc;
}

/* 年度ごとの展開ボタン */
div.news .year-toggle-button {
    cursor: pointer;
    border: none;
    background-color: transparent;
    color: white;
    font-size: 1.5rem;
    font-weight: normal;
    padding: 0;
    flex-shrink: 0;
    line-height: 1;
}

div.news .year-toggle-button:hover {
    opacity: 0.7;
}

div.news .year-toggle-button .toggle-icon {
    width: 1.5rem;
    height: 1.5rem;
    display: block;
}