.event_table tr:hover td{background-color:#ffe4e1}thead{position:sticky;top:0}.event_table2 tr:hover td{background-color:#ffe4e1}img.wid70{width:70%;border:solid 1px gray}body{background-color:#f7fcfe;background-size:100%}.rgba{background-color:rgba(240,248,255,.95);padding:5px 15px}.rgba2{background-color:rgba(240,248,255,.70)}.rgba3{background-color:rgba(240,248,255,.60);padding:0 10px 0 5px}.brdr{border-color:#fff}summary{list-style:none;display:block;cursor:pointer}summary::-webkit-details-marker{display:none}summary::after{content:'＋'}details[open] summary:after{content:"－"}details[open] .details-content{animation:fadeIn .5s ease}@keyframes fadeIn {
  0% {
    opacity: 0; /* 透明 */
    transform: translateY(-10px); /* 上から表示 */
  }
  100% {
    opacity: 1;
    transform: none;
  }
}