/*==================================================
縲€5-2-1 3譛ｬ邱壹′ﾃ励↓
===================================*/
/*繝懊ち繝ｳ螟門�窶ｻ繝ｬ繧､繧｢繧ｦ繝医↓繧医▲縺ｦposition繧�ｽ｢迥ｶ縺ｯ驕ｩ螳懷､画峩縺励※縺上□縺輔＞*/
.openbtn{
	/*繝懊ち繝ｳ蜀��縺ｮ蝓ｺ轤ｹ縺ｨ縺ｪ繧九◆繧〉elative繧呈欠螳壹€�
霑ｽ蠕薙☆繧九リ繝薙ご繝ｼ繧ｷ繝ｧ繝ｳ縺ｮ蝣ｴ蜷医�fixed�逆op縲〉ight縺ｨ縺�▲縺滉ｽ咲ｽｮ繧偵そ繝�ヨ縺ｧ謖�ｮ�*/
	position: relative;
	background:#3d484d;
	cursor: pointer;
    width: 50px;
    height:50px;
	border-radius: 5px;
}

/*繝懊ち繝ｳ蜀��*/
.openbtn span{
    display: inline-block;
    transition: all .4s;/*繧｢繝九Γ繝ｼ繧ｷ繝ｧ繝ｳ縺ｮ險ｭ螳�*/
    position: absolute;
    left: 14px;
    height: 3px;
    border-radius: 2px;
	background: #fff;
  	width: 45%;
  }

.openbtn span:nth-of-type(1) {
	top:15px;	
}

.openbtn span:nth-of-type(2) {
	top:23px;
}

.openbtn span:nth-of-type(3) {
	top:31px;
}

/*active繧ｯ繝ｩ繧ｹ縺御ｻ倅ｸ弱＆繧後ｋ縺ｨ邱壹′蝗櫁ｻ｢縺励※ﾃ励↓*/

.openbtn.active span:nth-of-type(1) {
    top: 18px;
    left: 18px;
    transform: translateY(6px) rotate(-45deg);
    width: 30%;
}

.openbtn.active span:nth-of-type(2) {
	opacity: 0;/*逵溘ｓ荳ｭ縺ｮ邱壹�騾城℃*/
}

.openbtn.active span:nth-of-type(3){
    top: 30px;
    left: 18px;
    transform: translateY(-6px) rotate(45deg);
    width: 30%;
}