.area_btn ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    width: 100%;
    margin: 0 auto;
}

.area_btn ul li {
    margin-top: 10px;
    padding-left: 20px;
}

.area_btn .btn {
    width: 210px;
    max-width: 480px;
    margin: 0 auto;
    position: relative;
    display: inline-block;
    padding: 10px;
    border: 2px solid #959EA7;
    color: #959EA7;
    font-size: 20px;
    line-height: 1;
    font-weight: 700;
    text-align: center;
    border-radius: 2px;
    box-sizing: border-box;
    position: relative;
    padding-left: 10px;
}

.area_btn .btn:hover {
    background-color: #959EA7;
    color: #fff
}

.area_compe h2 {
    font-size: 26px;
    font-weight: 700;
    color: #1e814c;
    margin-top: 50px;
    margin-bottom: 5px;
    text-align: center;
}

div.compe_list div.none {
    margin: 5% 0 12%;
}

@media screen and (max-width: 779px) {
    body {
      font-size: 15px;
    }

    .area_btn ul {
        list-style: none;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        width: 80%;
        margin: 0 auto;
    }

    .area_btn .btn {
        width: 120px;
        max-width: 480px;
        margin: 0 auto;
        position: relative;
        display: inline-block;
        padding: 10px;
        border: 2px solid #959EA7;
        color: #959EA7;
        font-size: 10px;
        line-height: 1;
        font-weight: 700;
        text-align: center;
        border-radius: 2px;
        box-sizing: border-box;
        position: relative;
        padding-left: 10px;
    }
}