body{
    background-size: 100vw 100vh;
    width:100%;max-width:100%;margin: 0;
    text-align:center; /*ページ全体を中央揃えにする*/
    background-color: rgba(213, 252, 255, 0.3);
    position: relative;
    overflow-x: hidden;
    font-size: 25px;
    font-family: 'Hiragino Mincho ProN','ヒラギノ明朝 ProN','Hiragino Mincho Pro','ヒラギノ明朝 Pro',serif;
}
.explane_btn{
    margin: 20px 0px 20px 0px;/*上右下左*/
    font-size: 25px;
    width: 200px;
    height: 3rem;
    background-color: rgb(204, 240, 253);
    border: 1px solid blue;
    cursor: pointer;
    outline: none;
    padding: 0;
    border-radius: 10%;
    appearance: none;
    font-family:'游明朝 Medium', serif;
}
.card_group{
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
  margin: 0px 50px 100px 50px;
  flex-basis: auto;
  position: relative;
}
.card{
    width:288px;
    height:280px;
    border-radius:8px;
    overflow:hidden;
    box-shadow:0 4px 15px rgba(0,0,0,.2);
    margin: 5px 15px 5px 15px;    
    display: flex;
    justify-items: center;
    flex-direction: column;
    z-index: 3;
}
.card li{
    list-style: none;
}
.img{
    vertical-align:bottom;
    z-index: 10;
}
.card_image{
    width:100%;
    height:140px;
    padding-top:0%;
    background:#fff;
    box-sizing:border-box;
    position: relative;
    z-index: 5;
}
.explane{
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    display: flex;
    align-items: center;
    margin: 5px 5px;
}
.explane_con{
    width: 100%;
    margin: 5px 5px;
    font-size: 22px;
    font-weight: bold;
    z-index: 20;
    color: white;
    /* background-color: aquamarine; */
}
.card_textbox{
    width:100%;
    height: 140px;
    padding:5px 18px;
    background:#fff;
    box-sizing:border-box;
    background-color: rgba(81, 112, 123, 0.4);
}
.card_textbox input{
    margin: 7px;
    height: 30px;
}
.decide{
    font-size: 17px;
    text-align: center;
    width: 100%;    
    background-color: transparent;
    cursor: pointer;
    outline: none;
    padding: 0;
    appearance: none;
    overflow: hidden;
    position: relative;
}
.dec_up{
    width: 0%;
    position: absolute;
    top:0;
    left: 0;
    border-top:1px blue solid;
}
.dec_down{
    width: 0%;
    position: absolute;
    bottom:0;
    right: 0;
    border-bottom:1px blue solid;
}
.decide_move{
    animation: border_move 0.5s ease-in-out forwards;
}
@keyframes border_move {
    0%{
        width: 4%;
    }
    100%{
        width: 100%;
    }
}
.message{
    display: flex;
    flex-direction: row;
    margin: 10px 5px;
}
.our_price{
    flex-basis: 40%;
}
.our_reason{
    flex-basis: 55%;
    text-align: left;
}
a{
	text-decoration: none;
}
.item-none{
    display: none;
}
.sumaho{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    font-size: 40px;
    color: rgb(0, 0, 0);
}

@media screen and (max-width: 600px){
    /* スマホの時 */
    body{
        background-color: rgba(213, 252, 255, 0.3);
        background-attachment: fixed;
        background-size: 100vw 100vh;  
        min-height: 100vh;
        width:100%;max-width:100%;
        text-align:center; /*ページ全体を中央揃えにする*/
        box-sizing:border-box;
        position: relative;
    }
}
@media screen and (max-width: 1300px){
    body{
        font-size: 20px;
    }.explane_btn{
        font-size: 20px;
    }
}
.blur{
    filter: blur(5px);
}
.back_white{    
    position: absolute;
    /* position: fixed; */
    z-index: 300;
    display: inline-block;
    width: 80%;
    /* height: 70%; */
    top: 50%;
    left: 50%;
    /* transform: translate(10px, 10px); */
    transform: translate(-50%,-50%);
    /* background-color: rgba(204, 204, 204, 0.9); */
    background-color: white;
    z-index: 500;
    margin: 120px 0px;
    border-right: 3px skyblue solid;
    border-left: 3px skyblue solid;
}

.how_much{
    font-size: 23px;
    margin: 60px 60px 60px 60px;
}
.close_btn{
    position: absolute;
    top: 0;right: 0;
    margin: 5px;
    font-size: 32px;
    cursor: pointer;
}