.but_start{
	position: absolute;
	transform-origin: top left;
	z-index: 20;
	top: 160px;
	left: 230px;
}

.mondai_aire_p{
	position: relative;
	height:400px;
	width:650px;
	border: 1px solid #666666;
	background-repeat: no-repeat;
	background-position: bottom right;
	font-family: "UD デジタル 教科書体 N-R","UD Digi Kyokasho N-R";
}


.anser_num{
	text-align: center;
	padding-top: 10px;	
	height: 18px;
	line-height: 18px;
}


.mondai_aire {
    width: 500px;
    margin: 10px auto;
    border: 2px solid #2589d0;
    border-radius: 3px;
    overflow: hidden;
    text-align: center;
}

.mondai_t {
    width: 100%;
    padding: 2px;
    background-color: #2589d0;
    color: #fff;
	font-size: 20px;
}

.mondai_k{
	text-align: left;
	padding-left: 100px;
	height: 100px;
	line-height: 100px;
}

.mondai {
    margin: 0;
    padding: 5px;
    color: #333;
	font-size: 50px;
	font-family: Verdana
}

.mondai_1{
	text-decoration:underline;
	text-decoration-color: orange;
	text-underline-offset: 5px;
	text-decoration-thickness: 3px;
}


.anser_aire {
    position: relative;
    max-width: 400px;
    margin: 20px auto;
    padding: 15px 5px 5px 5px;
    box-shadow: 0 2px 3px rgb(0 0 0 / 20%);
    background-color: #e0efff;
    color: #333333;
    //height: 45px;
}

.anser_title {
    position: absolute;
    top: -10px;
    transform: translateX(-.3em) rotate(-5deg);
    padding: 2px 20px;
    border-right: 2px dotted rgb(0 0 0 / 10%);
    border-left: 2px dotted rgb(0 0 0 / 10%);
    box-shadow: 0 0 5px rgb(0 0 0 / 20%);
    background-color: rgb(255 255 255 / 40%);
    font-weight: 600;
	font-size: 20px;
}

.anser_aire2{
	font-size: 30px;
	width: 100%;
	text-align: center;
	height: 55px;
    line-height: 65px;
}

.anser_0{
	color: #999;
}

.anser{
	padding: 5px;
	color: red;
	text-decoration: none;;
}


.anser > div{
	float: left;
	font-size: 25px;
	height: 30px;
    line-height: 30px;
	text-align: center;
}

.anser_1{
	border: 1px solid #000;
	width: 150px;
}

.sentaku_aire{
	padding-left: 5px;
	padding-top: 70px;
	height: 150px;
}


.sentaku {
	float: left;
	font-size: 33px;
	width: 44px;
	height: 44px;
    line-height: 48px;
    text-align: center;
	margin-left :18px;
	cursor:pointer;
    border: none;
    border-bottom: solid 2px #c0c0c0;
    border-radius: 50%;
    box-shadow: inset 15px 30px 40px rgba(255, 255, 255, 0.5), 0 3px 7px rgba(0, 0, 0, .2);
    background-image: linear-gradient(#1579c0 0%, #0569b0 100%);
    color: #ffffff;
}

.marubatu{
	//height: 100%;
	//width: 100%;
	display:none;
	opacity: 0.8;
	
	
	position: absolute;
	transform-origin: top left;
	z-index: 20;
	top: 0;
	left: 120px;
	
}

.button-47 {
	cursor:pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    //width: 70px;
    margin: 0 auto;
    padding: 0px 10px;
    border: none;
    box-shadow: inset -1px -1px #333, inset 1px 1px #fff, inset -2px -2px #999, inset 2px 2px #ffffff;
    background-color: #c0c0c0;
    color: #333;
    font-size: 13px;
    outline: 1px dotted #333;
    outline-offset: -4px;
    height: 35px;
}

.button-47:active {
    box-shadow: inset -1px -1px #fff, inset 1px 1px #333, inset -2px -2px #ffffff, inset 2px 2px #999;
}
.button-43 {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 180px;
    height: 50px;
    margin: 0 auto;
    //padding: 5px 20px;
    border: none;
    border-radius: 25px;
    background-image: linear-gradient(0deg, #2589d0 0%, #2589d080 100%);
    color: #fff;
    font-weight: 600;
    font-size: 1em;
	cursor: pointer;
}


.clear1{
    position: absolute;
	z-index:0;
	transform-origin: top left;
	top: 180px;
	left: 420px;

}

.clear_all{
    position: absolute;
	z-index:0;
	transform-origin: top left;
	top: 180px;	
	left: 540px;

}

.but_missstart{
	width: 300px;
	left 90px;
	top: 250px;
}

.anser_view{
    position: absolute;
	z-index:0;
	transform-origin: top left;
	top: 375px;
	left: 545px;
	font-size: 12px;
	cursor: pointer;
	text-decoration:underline;
}

.owari{
    position: absolute;
	z-index:50;
	transform-origin: top left;
	top: 80px;
	left: 160px;
	display:none;
}

.owari2{
    position: absolute;
	transform-origin: top left;
	top:-40px;
	left:20px;
	color:#fff;
	font-size: 25px;
}


.inputArea_colse{
	position: absolute;
	z-index:10;
	height: 180px;
	width: 450px;
	opacity: 0.5;
    background-color: #666666;
	display:none;
}


.re_start{
	position: absolute;
	z-index:11;
	display:none;
	top:130px;
	left: 470px;
}


.print_keisan{
	font-family: Verdana;
	font-size: 58px;
	padding-left: 20px;
}


.err{
	color: red;
	display:none;
	font-size: 13px;
	padding-left:3px;
}