body{
    background-color: #9fca99;
    width: 1200px;
    margin-top: 10px;
    margin-left: 20px;
    margin-right: 20px;
}

#top {
  text-align: right;
  font-size: 20px;
}
#back_button {
  float: left;
}

#video {
    float: left;
    margin: 9px;
    visibility: visible;
}

#dropArea {
    margin: 15px;
    float:right;
}

#dropArea ul {
    list-style-type: none;
    margin: 5px;
    /*枠とカードの間の余白*/
    padding: 0px;
    display: inline-block;
}

.sort-drop-area {
    height: 150px;
    width: 100px;
    border-style:solid; 
    border-width:2px; 
}

/* 下・ドラッグ枠 */

.tabs {
    clear: both;
    width: 1060px;
    height: 210px;
    padding: 5px;
    display: block;
    margin-left: auto;
    margin-right: auto;
    margin: 0 auto;
    background-color: rgb(248, 185, 66);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    cursor: hand;
}
  
  /*タブのスタイル*/
  .tab_item {
    width: calc(100%/5);
    height: 50px;
    border-bottom: 2px solid black;
    background-color: rgb(248, 185, 66);
    line-height: 50px;
    font-size: 16px;
    text-align: center;
    color: black;
    display: block;
    float: left;
    text-align: center;
    font-weight: bold;
    transition: all 0.2s ease;
    cursor: pointer;
    cursor: hand;
  }
  
  /*ラジオボタンを全て消す*/
  input[name="tab_item"] {
    display: none;
  }
  
  /*タブ切り替えの中身のスタイル*/
  .tab_content {
    display: none;
    padding: 5px;
    clear: both;
    overflow: hidden;
  }
  
  /*選択されているタブのコンテンツのみを表示*/
  #first:checked ~ #first_content,
  #second:checked ~ #second_content,
  #third:checked ~ #third_content,
  #forth:checked ~ #forth_content,
  #fifth:checked ~ #fifth_content {
    display: block;
  }
  
  /*選択されているタブのスタイルを変える*/
  .tabs input:checked + .tab_item {
    background-color: #d9d9d9;
    color: #fff;
  }

.btn {
    cursor: pointer;
    cursor: hand;
}
#deleteBtn1{
    position: absolute;
    right: 100px;
    top: 260px;
}

#explain_btn {
    position: absolute;
    left: 120px;
    top: 150px;
    visibility: hidden;

    display: inline-block;
	width: 180px;
	padding: 0.8em;
	text-align: center;
	text-decoration: none;
	color: white;
	background: rgb(255, 125, 216);
	border-bottom:4px solid rgb(199, 82, 189);
	border-radius: 4px;
	transition: .0s;
}
#explain_btn:hover {
    text-decoration: none;
	 background:rgb(255, 125, 216);
	 transform: translate3d(0, 4px, 0);
	 transition: .0s;
	 border-bottom: none;
}

#seikai {
    position: absolute;
    left: 70px;
    top: 50px;
    visibility: hidden;
}