.oi-cases-contents{
    padding: 60px 25px;
}
@media screen and (min-width: 768px) {
    .oi-cases-contents{
        max-width: 1000px;
        margin: 0 auto;
        padding: 123px 10px 120px;
    }
}

.oi-cases-contents-list{
    margin-top: 62px;
}
.oi-cases-contents-list__item{
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 60px;
}
.oi-cases-contents-list__item:last-of-type{
    margin-bottom: 0;
}
.oi-cases-list__item-img-wrap{
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 35px;
}
.oi-cases-list__item-img-wrap::before{
    content: "";
    display: block;
    width: 186px;
    height: 186px;
    background-image: url(/challenge/innovation/images/img_cases_07.png);
    background-repeat: no-repeat;
    background-size: contain;
    position: absolute;
}
.oi-cases-contents-list__img{
    display: block;
    width: 154px;
    position: relative;
}
.oi-cases-contents-list__text-block{
    display: flex;
    flex-direction: column;
    align-items: center;
}
.oi-cases-contents-list__title{
    width: 100%;
    background-color: #FFFFFF;
    border-bottom: 3px solid;
    border-image: linear-gradient(-90deg, #40C8F4, #0071BC) 1;
    box-sizing: border-box;
    padding: 11px 15px;
    margin-bottom: 16px;
}
.oi-cases-contents-list__title-text{
    font-size: 133%;
    font-weight: bold;
    color: #000000;
    text-align: center;
    width: fit-content;
    margin: 0 auto;
}
.oi-cases-contents-list__sub-title{
    font-size: 117%;
    font-weight: bold;
    color: #000000;
    width: fit-content;
    margin-bottom: 16px;
    text-align: center;
}
.oi-cases-contents-list__text{
    font-size: 100%;
    color: #000000;
    width: fit-content;
    margin-bottom: 16px;
    text-align: justify;
}
.oi-cases-contents-list__link{
    display: block;
    border: 2px solid;
    border-image: linear-gradient(90deg, #40C8F4, #0071BC) 1;
}
.oi-cases-contents-list__link-inside{
    box-sizing: border-box;
    background: linear-gradient(90deg, #40C8F4, #0071BC);
    display: block;
    width: 244px;
    padding: 10px;
    margin: 2px;
}
.oi-cases-contents-list__link-text{
    display: flex;
    align-items: center;
    width: fit-content;
    margin: 0 auto;
    position: relative;
    left: 10px;
    font-size: 117%;
    text-align: center;
    color: #FFFFFF;
}
.oi-cases-contents-list__link-text::after{
    content: "";
    display: block;
    background-image: url(/challenge/innovation//images/img_cases_06.png);
    width: 20px;
    height: 6px;
    background-repeat: no-repeat;
    background-size: contain;
    margin-left: 5px;
}
@media screen and (min-width: 768px) {
    .oi-cases-contents-list{
        margin-top: 98px;
    }
    .oi-cases-contents-list__item{
        flex-direction: row;
        align-items: flex-start;
        justify-content: space-between;
        margin-bottom: 100px;
    }
    .oi-cases-contents-list__item:nth-of-type(2n){
        flex-direction: row-reverse
    }
    .oi-cases-list__item-img-wrap::before{
        width: 225px;
        height: 225px;
        right: 10px;
    }
    .fade-in-left .oi-cases-list__item-img-wrap::before{
        left: 10px;
    }
    .oi-cases-contents-list__img{
        width: 186px;
        margin-bottom: 0;
        padding-right: 30px;
    }
    .oi-cases-contents-list__item:nth-of-type(2n) .oi-cases-contents-list__img{
        padding-right: 0;
        padding-left: 30px;
    }
    .oi-cases-contents-list__text-block{
        align-items: flex-start;
        width: 722px;
    }
    .oi-cases-contents-list__title{
        width: 100%;
        padding: 20px;
        margin-bottom: 26px;
    }
    .oi-cases-contents-list__title-text{
        font-size: 179%;
    }
    .oi-cases-contents-list__sub-title{
        font-size: 143%;
        margin-bottom: 22px;
    }
    .oi-cases-contents-list__text{
        font-size: 128%;
    }
    .oi-cases-contents-list__link{
        transition: 0.3s all;
    }
    .oi-cases-contents-list__link:hover {
        text-decoration: none;
        transform: scale(1.05);
    }
    .oi-cases-contents-list__link-inside{
        width: 213px;
    }
    .oi-cases-contents-list__link-text{
        font-size: 128%;
    }
}

/* アニメーション */
.fade-in-left,.fade-in-right {
    opacity: 0;
    transform: translateY(100px);
}
/* フェードインアニメーション */
@keyframes fadeIn {
    0% {
    }
    100% {
        opacity: 1;
        transform: translate(0);
    }
}
/* フェードインさせるクラス */
.fade-in-active {
    animation-name: fadeIn;
    animation-duration: 1s;
    animation-fill-mode: forwards;
}
@media screen and (min-width: 768px) {
    /* 右から左に移動しながらフェードイン */
    .fade-in-left {
        opacity: 0;
        transform: translateX(80px);
    }
    /* 左から右に移動しながらフェードイン */
    .fade-in-right {
        opacity: 0;
        transform:  translate(-80px, 0);
    }
}