.case-block span.case-title {
        display: block;
        font-size: 28px;
        color: gray;
        text-align: center;
        padding: 10px;
    }
    .case-block span.case-title::before,
    .case-block span.case-title::after {
        content: "-";
        display: inline-block;
        color: #eb6506;
        transform: scaleX(4);
    }

    .case-block span.case-title::before {
        margin-right: 25px;
    }

    .case-block span.case-title::after {
        margin-left: 25px;
    }

    .case-block ul {
        width: 100%;
        overflow: hidden;
        margin-bottom: 40px;
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: flex-start;
        align-items: center;
        align-content: center;
    }
    .case-block li {
        display: block;
        width: 33.333333333333333333333333333333333333333%;
        padding: 5px;
        float: left;
    }

    .case-block a {
        text-decoration: none;
        transition: 0.2s;
        overflow: hidden;
        display: block;
        border-radius: 5px;
        background-color:#eb6506;
        color: white;
        text-align: center;
        padding: 15px;
        font-size: 14px;
        font-weight: normal;
        position: relative;
    }

    .case-block a::after {
        content: " ";
        display: inline-block;
        border: 5px solid transparent;
        border-left-color: white;
        position: absolute;
        right: 10px;
        top: 50%;
        transform: translateY(-50%);
    }

    .case-block a:hover {
        transform: scale(0.9);
        opacity: 0.5;
    }
    .case-block a span{
        font-family:  'Noto Sans JP',"メイリオ","Hiragino Kaku Gothic Pro W3","ヒラギノ角ゴ Pro W3","Osaka";
    }

@media screen and (max-width: 767px) {
    .case-block li{
        width: 50%;
    }
    .case-block a{
        padding: 8%;
    }
}