.back-to-top-button {
position:fixed;
right:50px;
bottom:50px;
width: 48px;
height: 48px;
background-image: url(../svg/back-to-top.svg);
background-repeat: no-repeat;
}



/****** Header ******/

.header-bg-color {
background: darkgreen;
}

.header-padding {
padding: 0px 0px 0px 18px;
}



/****** Height ******/

.tree-height {
min-height: 150px;
}

.card-height {
min-height: 400px;
}



/****** Tree menu ******/

.tree-menu {
margin: 0;
padding: 0;
}

.tree-menu ul {
display: none;
}

/* 階層のインデント間隔 */
.tree-menu ul {
margin-left: 10px;
padding-left: 10px;
}

.tree-menu li {
list-style-type: none;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}

.tree-menu input[type=checkbox] {
position: absolute;
opacity: 0;
display: none;
}

.tree-menu .label-title, .tree-menu .a-detail-view {
position: relative;
display: block;
padding: 7px 10px;
}

.tree-menu .label-title:before, .tree-menu .a-detail-view:before { /* アイコンの位置 */
content: '';
display: inline-block;
width: 16px;
height: 16px;
position: absolute;
top: 50%;
-webkit-transform: translateY(-50%);
-moz-transform: translateY(-50%);
-ms-transform: translateY(-50%);
-o-transform: translateY(-50%);
transform: translateY(-50%);
}

.tree-menu .button-link {
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
border: 0;
border-radius: 0;
width: 16px;
height: 16px;
background-image: url(../svg/filetype-xlsx.svg);
background-repeat: no-repeat;
}

.tree-menu .button-link img {
display: block;
}

.tree-menu .label-title:before { /* 生物分類階級 開閉アイコン（90度傾ける）*/
left:10px;
background-image: url(../svg/caret-down-fill.svg);
background-repeat: no-repeat;
background-position: 0 0;
-webkit-transform: translateY(-50%) rotate(-90deg);
-moz-transform: translateY(-50%) rotate(-90deg);
-ms-transform: translateY(-50%) rotate(-90deg);
-o-transform: translateY(-50%) rotate(-90deg);
transform: translateY(-50%) rotate(-90deg);
}

.tree-menu .a-detail-view:before { /* 矢印アイコン */
background-image: url(../svg/arrow-right-circle.svg);
background-repeat: no-repeat;
}

.tree-menu input[type=checkbox]:checked + .label-title:before { /* 開閉アイコンを回転する */
-webkit-transform: translateY(-50%) rotate(0deg);
-moz-transform: translateY(-50%) rotate(0deg);
-ms-transform: translateY(-50%) rotate(0deg);
-o-transform: translateY(-50%) rotate(0deg);
transform: translateY(-50%) rotate(0deg);
}

.tree-menu input[type=checkbox]:checked + .label-title + ul,
.tree-menu input[type=checkbox]:checked + .label-title:nth-of-type(n) + ul {
display: block;
}

/* 生物分類階級 文字の位置 */
.tree-menu .label-title {
cursor: pointer;
padding-left:35px;
}

/* 生物種名 文字の位置 */
.tree-menu ul .a-detail-view {
padding-left: 45px;
}

/* 生物種名 矢印アイコンの位置 */
.tree-menu ul .a-detail-view::before {
left: 22px;
}

/* アイコン回転の速さ */
.tree-menu.animated .label-title:before {
-webkit-transition: -webkit-transform 0.8s;
-moz-transition: -moz-transform 0.8s;
transition: transform 0.8s;
}



/****** About ******/

.list_about-wrap {
list-style:  none;                  /* デフォルトのアイコンを消す */
counter-reset: li_count;            /* カウンタをセット */
}

.list_about {
text-indent: -1.4em;
padding-top:5px;
}
 
.list_about:before  {
counter-increment: li_count;   /* カウンタの値を計算していく */
content: counter(li_count)")"; /* 数字出力 */
margin-right: 5px;             /* 余白指定 */
font-weight:bold;              /* 数字のみ太字 */
}



/****** Search ******/

.table_box{
  overflow-y: auto;
  height: 600px;
  width: 90%;
  margin: 20px 5% 0 5%;
  -webkit-overflow-scrolling: touch;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
  width: 100%;
}

th, td {
  min-width: 10em;
}

.sticky {
  position: sticky;
  top: 0;
  left: 0;
  border-top: none;
}

.sticky::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: #efefef;
  border-top: 1px solid #eeeeee;
  border-bottom: 1px solid #eeeeee;
}

.gcds-pagination {
  height: 60px
}