body {
    background-color: transparent;
    font-family: 'Noto Sans JP', sans-serif;
}

.selectedMonth {
    border-top: 1px solid var(--bs-border-color);
    padding-left: 15px;
}

.selectedMonth li {
    float: left;
    margin: 0.6em 21px 0 0;
    padding-right: 20px;
    border-right: 1px solid #cccccc;
    list-style: none;
}
.selectedMonth li:last-child{
    border-right: none;
}

.selectedMonth li a {
    text-decoration: none;
}

.table-h3 {
    padding-top: 2rem;
}

.headline_month {
    padding: 10px 0 10px 22px;
    border-left: 3px solid #999999;
    font-size: 20px;
    font-weight: 400;
}


/* 以下、装飾CSS 20250813 */
/* カテゴリータブ */
nav ul {
    list-style: none;
    display: flex;
    margin: 10px auto 20px auto;
    padding: 0 ;
    width: 100%;
    text-align: center;
}
nav li {
    flex: auto;
    min-width: 50px;
    margin-right: 10px;
    padding: 10px;
    background-color: #d9e3ea;
}
nav li:last-child {
    margin-right: 0;
}
nav a {
    display: block;
    width: 100%;
    text-decoration: none;
    font-size: 16px;
    font-weight: bold;
    color: #333;
}
nav li.current {
    background-color: #2073b8;
}
nav li.current a {
    color: #fff;
}
nav li:hover a {
    color: #2073b8;
}
/* コンテンツタイトル */
.contentsTitle {
    float: left;
    margin-bottom: 20px;
}
/* 年選択セレクトボックス */
.selectbox {
    float: right;
    margin-bottom: 20px;
    display: inline-flex;
    align-items: center;
    position: relative;
}
.selectbox::after {
    position: absolute;
    right: 15px;
    width: 10px;
    height: 7px;
    background-color: #535353;
    clip-path: polygon(0 0, 100% 0, 50% 100%);
    content: '';
    pointer-events: none;
}
.selectbox select {
    appearance: none;
    min-width: 230px;
    height: 2.8em;
    padding: .4em calc(.8em + 30px) .4em .8em;
    border: 1px solid #d0d0d0;
    border-radius: 3px;
    background-color: #fff;
    color: #333;
    font-size: 1em;
    cursor: pointer;
}
.newsList ul {
    clear: both;
    margin: 0;
    padding-left: 0;
    border-top: 1px dotted #ccc;
    list-style: none;
}
.newsList a {
    display: block;
    width: 100%;
    text-decoration: none;
    color: #333;
}
.newsList li {
    margin: 0;
    padding: 15px 0;
    text-decoration: none;
    border-bottom: 1px dotted #ccc;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}
.newsList li:hover {
    background-color: #eee;
}
.date {
    font-size: 12px;
    font-weight: bold;
    color: #2073b8;
    margin-right: 10px;
}
.category {
    display: inline-block;
    color: #fff;
    width: 120px;
    font-size: 12px;
    text-align: center;
    margin-right: 10px;
    padding: 2px 10px;
    background-color: #004F95;
}
.newsText {
    font-size: 14px;
}

#irlibrary section:not(:last-child) {
    margin-bottom: 3rem;
}

/*json出力用リンク*/
.json-tools {
    text-align: right;
    margin-bottom: 10px;
}