/*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:#fff9c491;
    position: relative;
    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;
    margin: 0;
}
.flex_box{
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: left;
    margin: 10px;
}
.box{
    text-align: left;
    flex: 1;
}
.content_box{
    width: 60%;
    margin: 20px auto;
    text-align: left;
}
.pic_main{
    width: 30%;
}
.pic_rank{
    width: 60%;
}
.trash_box{
    width: 20%;
    transform: rotate(10deg);
}
.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: #fefcda;
    overflow: hidden;
    text-align: left;
}
.main_dis_green{
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #189193;
    overflow: hidden;
    text-align: left;
}
.blown{
    position: relative;
}
.game_dis{
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%,-50%);
    width: 90%;
    height: 90%;
    background-color: #c7dddd;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.opening_dis{
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%,-50%);
    width: 80%;
    height: 60%;
    /* background-color: wheat;     */
    border-left: 2px #595959 dashed;
    border-right: 2px #595959 dashed;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.opening_dis div{
    font-size: 50px;
    margin: 5% auto;
    text-align: center;
}
.start{
    font-size: 26px;
    width: 30%;
    background-color: white;
    padding: 1rem 0;
    border-radius: 10%;
    color: black;
    border: 2px solid #595959;
    background-color: #189193;
    transition: .5s;
    cursor: pointer;
}
.start:hover{
    color: white;
    border: 2px solid #189193;
    background-color: #595959;
}
.quest{
    margin: 10px 5%;
    max-width: 1100px;
    width: 90%;
    height: 30%;
    color: #f2f4f3;
    background-color: #189191;
    display: flex;
    align-items: center;
}
.quest_num{
    font-size: 100px;
    padding: 0 10px;
    margin: 0 30px;
    border-right: 1px solid #595959;
}
.quest_con{
    font-size: 45px;
    margin: 10px;
}
.select{
    background-color: white;
    color: #595959;
    margin: 0 10%;
    width: 80%;
    height: 30%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.select div{
    font-size: 30px;
    margin: 5px 20px;
}
.answer{
    margin: 10px 10%;
    width: 80%;
    height: 30%;
    display: flex;
    justify-content: center;
}
.answer button{
    border-radius: 25%;
    margin: 0px 30px;
    width: 20%;
    font-size: 70px;
    background-color: #f2f4f3;
    border: 3px solid #189193;
    color: #595959;
    cursor: pointer;
}
.true_answer{
    color: red;
    font-size: 88px;
    font-weight: bold;
    margin: 50px auto;
    border-bottom: 2px red dashed;
}
.false_answer{
    color: blue;
    font-size: 88px;
    font-weight: bold;
    margin: 50px auto;
    border-bottom: 2px blue dashed;
}
.answer_box{
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: left;
    margin: 50px 10px;
}
.answer_pic{
    width: 20%;
}
.explane{
    width: 50%;
    font-size: 30px;
    text-align: left;
    margin: 0px 50px;
}
.explane_last{
    width: 90%;
    font-size: 25px;
    text-align: left;
}
.next_btn{
    background-color: #189191;
    border-radius: 30%;
    margin: 15px 30px;
    color: white;
    font-size: 30px;
    text-align: center;
    padding: 30px 60px;
    cursor: pointer;
}
.true_num{    
    font-size: 80px;
    margin: 35px 0px;
    color: red;
    border-bottom: 2px red dashed;
}
.end_quiz{
    font-size: 100px;
    color: #595959;
}
.one_more{
    background-color: black;
    border-radius: 30%;
    margin: 35px 30px;
    color: white;
    font-size: 30px;
    text-align: center;
    padding: 30px 60px;
}
.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);
}
.text{
    width: 60%;
    margin: 10px auto;
}
.text_mini{
    width: 52%;
    margin: 10px;
}.ranking{
    width: 60%;
    font-size: 22px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: left;
    margin: 10px;
}
.back_img{
    width: 100%;
    height: 110vh;
    background-image: url(our_pic/color_box.webp);
    background-size: cover;
    background-position: center top;
    background-attachment: fixed;
    position: relative;
    z-index: 4;
}
.back_img_2{
    width: 100%;
    height: 110vh;
    background-image: url(our_pic/throw_away.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: 79px;
    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);
}
.references{
    margin: 2rem 0;
    color: blue;
    border-bottom: 1px solid blue;
    cursor: pointer;
}
.references:hover{
    color: purple;
    border-bottom: 1px solid purple;
}
.mark{
    background: linear-gradient(transparent 40%, #00bbffb7 80%);
}
.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%);
    }
}
@media screen and (max-width: 1300px){
    /*パソコン（小）*/
    body{
        font-size: 20px;
    }
    .back_text{
        font-size: 54px;
    }.big_title{
        font-size: 24px;
    }.opening_dis div{
        font-size: 24px;
    }.quest_num{
        font-size: 80px;
    }.quest_con{
        font-size: 35px;
    }.select div{
        font-size: 20px;
    }.answer button{
        font-size: 40px;
    }.true_answer{
        font-size: 64px;
        margin: 20px auto;
    }.false_answer{
        font-size: 64px;
        margin: 10px auto;
    }.answer_pic{
        width: 30%;
    }.explane{
        font-size: 22px;
    }.explane_last{
        font-size: 22px;
    }.true_num{    
        font-size: 60px;
    }.answer_box{
        display: flex;
        justify-content: center;
        align-items: center;
        text-align: left;
        margin: 10px 10px;
    }
    .next_btn{
        border-radius: 30%;
        margin: 10px 30px;
        font-size: 30px;
        text-align: center;
        padding: 25px 60px;
    }
    .explane{
        width: 90%;
        font-size: 19px;
    }
    .explane_last{
        font-size: 18px;
    }
}
.item-none{
    display: none;
}
.item-hide{
    visibility: hidden;
}
@media screen and (max-width: 480px){
    /*スマホ*/
    .sumaho{
        font-size: 28px;
        position: absolute;
        top:50%;
        left:50%;
        transform:translate(-50%,-50%);
    }
    .game_dis{
        height: 50vh;
    }
    .main_dis_green{
        display: none;
    }
}