/*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:#ebe5da;
    position: relative;
    margin: 0;
    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;
}
.flex_box{
    width: 99%;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: left;
}
.content_box{
    width: 60%;
    margin: 20px auto;
    text-align: left;
}
.pic_main{
    width: 30%;
}
.pic_main_margin{
    width: 30%;
    margin: 20px 30px;
}
.pic_step{
    width: 60%;
    margin: 20px 0;
}
.graph{
    width: 40%;
    margin: 20px;
}
.big_title{
    position: absolute;
    top: 50%; right: 0;
    transform: translate(-5%,-50%);
    width: 60%;
    padding: 1rem 1rem;
    font-size: 30px;
    text-align: left;
    background-color: rgba(255, 255, 255, 0.9);
}
.summary{
    margin: 1rem;
}
.summary div{
    margin: 10px 0;
}
.main_dis{
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    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: 30px;
    font-weight: bold;
    margin: 40px 0px;
    border-bottom: dashed 2px black;
}
.text{
    width: 60%;
    margin: 40px auto;
    line-height: 3rem;
}
.problem{
    width: auto;
    margin: 10px auto 30px auto;
    line-height: 2rem;
}
.country{
    padding: 5px 10px;
    background-color: rgba(255, 255, 6,0.5);
}
.top_pic{
    width: 100%;
    height: 100vh;
    background-image: url(food_pic/foodloss.webp);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    z-index: 4;
    filter: grayscale(10%);
}
.back_img_2{
    width: 100%;
    height: 100vh;
    background-image: url(food_pic/what_loss.webp);
    background-size: cover;
    background-position: center top;
    background-attachment: fixed;
    position: relative;
    z-index: 4;
}
.back_img_3{
    width: 100%;
    height: 100vh;
    background-image: url(food_pic/warmer.webp);
    background-size: cover;
    background-position: center top;
    background-attachment: fixed;
    position: relative;
    z-index: 4;
}
.back_img_4{
    width: 100%;
    height: 100vh;
    background-image: url(food_pic/co2_img.webp);
    background-size: cover;
    background-position: center top;
    background-attachment: fixed;
    position: relative;
    z-index: 4;
}
.back_money{
    width: 100%;
    height: 100vh;
    background-image: url(food_pic/money.webp);
    background-size: cover;
    background-position: center top;
    background-attachment: fixed;
    background-color:rgba(255,255,255,0.5);
    background-blend-mode:lighten;
    position: relative;
    z-index: 4;
}
.back_rice{
    width: 100%;
    height: 100vh;
    background-image: url(food_pic/befor_rice.webp);
    background-size: cover;
    background-position: center top;
    background-attachment: fixed;
    position: relative;
    z-index: 4;
}
.back_solt{
    width: 100%;
    height: 100vh;
    background-image: url(food_pic/solt_art.webp);
    background-size: cover;
    background-position: center top;
    background-attachment: fixed;
    position: relative;
    z-index: 4;
}
.back_vege{
    width: 100%;
    height: 100vh;
    background-image: url(food_pic/vege.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: 72px;
    color: rgb(0 0 0);
    background-color: rgba(255,255,255,0.8);
    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;
}
.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: 1300px){
    /*パソコン（小）*/
    body{
        font-size: 20px;
    }.back_text{
        font-size: 60px;
    }.big_title{
        font-size: 22px;
    }.text{
        margin: 10px auto;
        line-height: 2rem;
    }.mini_title{
        font-size: 22px;
        margin: 20px 0px;
    }
}

.item-none{
    display: none;
}
@media screen and (max-width: 600px){
    /*スマホ*/
        .sumaho{
            font-size: 28px;
            position: absolute;
            top:50%;
            left:50%;
            transform:translate(-50%,-50%);
        }
        body{
            font-size: 14px;
        }
        .big_title{
            font-size: 14px;
        }
}