.customer-inner {
    width: 80%;
    margin: 0 auto;
    /* display: flex; */
    /* flex-wrap: wrap; */
    /* justify-content: center; */
    /* align-items: center; */
    /* gap: 30px; */
}

.customer-year-wrap {
    display: none;
}

.customer-box {
    width: 30%;
    height: 380px;
    border: 1px solid #ccc;
    padding: 10px;
    border-radius: 3px;
}

.customer-box dl {
    display: flex;
    flex-direction: column-reverse;
    justify-content: flex-end;
}

.customer-box dl dd > img {
    display: block;
    width: 100%;
    height: 252px;
}

.customer-color {
    color: var(--point-color);
    font-weight: 500;
    padding: 10px 0;
}

/* 고객사 연도별 리스트 */

.year_list {
    display: flex;
    width: 80%;
    margin: 0 auto 50px;
}

.year_item {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 50%;
    padding: 10px;
    background-color: #bdbdbdad;
    border: 1px solid #bdbdbdad;
    color: #666;
    margin-right: 3px;
}

.year_item:hover {
    opacity: 0.9;
}

.year_item > a {
    display: block;
    cursor: pointer;
    width: 100%;
    text-align: center;
}

.active_btn {
    background-color: var(--point-bg-color);
    color: #fff;
    border: 1px solid var(--point-bg-color);
}

.active_content {
    width: 80%;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 30px;
}

/* TOP 버튼 */

.topbtn_wrap {
    position: fixed;
    bottom: 300px;
    right: 10px;
    width: 50px;
    height: 50px;
    border-radius: 100%;
    background-color: var(--point-bg-color);
    cursor: pointer;
    opacity: 0;
    transition: all 0.5s;
}

.topbtn_wrap:hover {
    background-color: rgba(250, 139, 39, 0.8);
}

.topbtn_wrap > span {
    height: 45px;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
}

.on {
    opacity: 1;
}

@media (max-width: 1600px) {
    .customer-inner {
        width: 90%;
    }

    .customer-box {
        width: 45%;
    }

    .customer-box dt {
        font-size: 14px;
    }
}

/* 1200px */

@media (max-width: 1200px) {
    .customer-inner {
        width: 90%;
    }

    .customer-box dt {
        font-size: 14px;
    }
}

/* 960px */

@media (max-width: 960px) {
    .customer-box {
        width: 80%;
    }
}

/* 640px */

@media (max-width: 640px) {
    .customer-box {
        width: 100%;
    }

    .topbtn_wrap {
        width: 40px;
        height: 40px;
    }

    .topbtn_wrap > span {
        height: 38px;
    }
}

/* 400px */

@media (max-width: 640px) {
    .customer-box {
        height: auto;
    }

    .customer-inner {
        width: 90%;
    }
}