/*共通*/
body{
    overflow-x: hidden; /* 横スクロールの禁止 */
    background-size: 100vw 100vh;
    width:100%;max-width:100%;
    text-align:center; /*ページ全体を中央揃えにする*/
    background-color: rgb(58 200 213 / 30%);
    position: relative;
    margin: 0;
    font-family: 'Hiragino Mincho ProN','ヒラギノ明朝 ProN','Hiragino Mincho Pro','ヒラギノ明朝 Pro',serif;
    font-size: 25px;
}
.item-none{
    display: none;
}
.head_foot{
    display: flex;
    flex-direction: column;
}
header {
    z-index: 999;
    width: 100%;
    padding: 20px 40px;
    background: #eee;
    box-sizing: border-box;
}
header .inner {
    position: relative;
    display: flex;
    align-items: center;
    height: 100%;
}
.logo {
    position: relative;
    margin: 0;
    padding: 0;
    font-weight: bold;
}
.flex_box{
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: left;
    margin: 30px 10px;
}
.box{
    text-align: left;
    flex: 1;
}
.content_box{
    width: 60%;
    margin: 20px auto;
    text-align: left;
}
.pic_big{
    width: 60%;
    margin: 3%;
}
.pic_main{
    width: 30%;
}
.pic_main_margin{
    margin: 2%;
    width: 30%;
}
.trash_box{
    width: 20%;
    transform: rotate(20deg);
}
.big_title{
    width: 60%;
    margin: 10px auto;
    font-size: 36px;
}
.main_dis{
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: white;
    overflow-y: hidden;
    text-align: left;
}
.title{
    width: 100%;
    font-weight: bold;
    font-size: 24px;
    padding: 1rem 15px;
    border-left: 30px solid rgb(0, 191, 255);
    background-color: rgb(111, 229, 255);
}
.mini_title{
    width: auto;
    font-size: 35px;
    font-weight: bold;
    margin: 40px 0px;
    border-bottom: dashed 2px black;
}
.text{
    width: 60%;
    margin: 10px auto;
}
.text_mini{
    width: 50%;
    margin: 10px auto;
}
.country{
    padding: 5px 10px;
    background-color: rgba(255, 255, 6,0.5);
}
.back_how{
    width: 100%;
    height: 105vh;
    background-image: url(receipt/how_much.webp);
    background-size: cover;
    background-position: center top;
    background-attachment: fixed;
    position: relative;
    z-index: 4;
}
.back_not_reuse{
    width: 100%;
    height: 105vh;
    background-image: url(receipt/cannt_reuse.webp);
    background-size: cover;
    background-position: center top;
    background-attachment: fixed;
    position: relative;
    z-index: 4;
}
.back_use{
    width: 100%;
    height: 105vh;
    background-image: url(receipt/how_use.webp);
    background-size: cover;
    background-position: center top;
    background-attachment: fixed;
    position: relative;
    z-index: 4;
}
.back_our{
    width: 100%;
    height: 100vh;
    background-image: url(receipt/what_do.webp);
    background-size: cover;
    background-position: center top;
    background-attachment: fixed;
    position: relative;
    z-index: 4;
}
.back_valueKnow{
    width: 100%;
    height: 100vh;
    background-image: url(receipt/price_know.webp);
    background-size: cover;
    background-position: center top;
    background-attachment: fixed;
    position: relative;
    z-index: 4;
}
.back_text{
    width: 90%;
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%,-50%);
    font-size: 85px;
    color: rgba(0, 0, 0, 0.8);
    background-color: rgba(255,255,255,0.9);
    z-index: 10;
    clip-path: polygon(95% 0,100% 50%, 95% 100%, 5% 100%, 0 50%, 5% 0);
}
.point{
    width: 60%;
    margin: auto;
    background-color: #519dcb;
    color: white;
}
.point_title{
    padding: 1rem 2rem;
    text-align: left;
    font-weight: bold;
    font-size: 45px;
}
.point_content{
    padding: 2rem;
    text-align: center;
    font-size: 40px;
}
.cycle_action{
    width: 40%;
    height: 20rem;
    margin: 10px;
    background-color: #519dcb;
    position: relative;
}
.action{
    text-align: center;
    position: absolute;
    /* width: 25%; */
    padding: 2rem 3rem;
    border-radius: 15%;
    font-size: 35px;
    color: white;
}
.action_1{
    top:0;
    left: 50%;
    transform: translate(-50%,0);
    background-color: #5e9ec8;
}
.action_2{
    bottom: 0;
    right: 0;
    background-color: #4389a6;
}
.action_3{
    bottom: 0;
    left: 0;
    background-color: #2a518d;
}
.references{
    margin: 2rem 0;
    color: blue;
    border-bottom: 1px solid blue;
    cursor: pointer;
}
.references:hover{
    color: purple;
    border-bottom: 1px solid purple;
}
.fead_in{
    animation: anime_fead_in 0.8s ease-in forwards;
}
@keyframes anime_fead_in {
    0%{
        opacity: 0;
    }
    100%{
        opacity: 1;
    }
}
@media screen and (max-width: 480px){
    /*スマホ*/
        .sumaho{
            font-size: 28px;
            position: absolute;
            top:50%;
            left:50%;
            transform:translate(-50%,-50%);
        }
        .go_top{
            display: none;
        }
}
@media screen and (max-width: 1300px){
  body{
    font-size: 20px;
  }.big_title{
    font-size: 24px;
  }.back_text{
    font-size: 60px;
  }.mini_title{
    font-size: 30px;
    margin: 20px 0px;
  }.point_title{
    font-size: 30px;
  }.point_content{
    font-size: 26px;
  }
}