.first-section {
    padding: 80px 0 120px;
}

.first-section .content-inner {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 80px 0;
}

.merit-box {
    width: 100%;
}

.merit-box ul {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.merit-box ul li {
    border: 1px solid var(--colorGray400);
    box-sizing: border-box;
    padding: 40px;
    display: grid;
    align-items: flex-start;
    grid-template-columns: 80px 1fr;
    gap: 0 40px;
}

.merit-icon img {
    max-width: 100%;
}

.merit-box .title-group {
    gap: 5px 0;
}

.merit-box .title-group p {
    font-size: var(--fontSizeXl);
    font-weight: var(--fontWeightExtrabold);
    line-height: var(--lineHeightXl);
}

.merit-box .desc {
    color: var(--colorGray700);
}


.second-section {
    padding: 172px 0 184px;
    background-image: url(/images/about/about-bg.png);
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
}

.second-section .content-inner {
    display: flex;
    align-items: center;
    flex-direction: column;
    gap: 40px 0;
}

.banner-title-group {
    display: flex;
    align-items: center;
    flex-direction: column;
    gap: 20px 0;
}

.banner-title-group .section-title {
    text-align: center;
}

.second-section .btn {
    border: 1px solid var(--colorWhite);
    color: var(--colorWhite);
}


.third-section {
    padding: 120px 0 140px;
}

.third-section .content-inner {
    display: flex;
    align-items: center;
    flex-direction: column;
    gap: 60px 0;
}

.tariff-group {
    width: 100%;
    border-bottom: 1px solid var(--colorGray300);
}

.tariff-table table {
    width: 100%;
    table-layout: fixed;
}

.tariff-table thead {
    background-color: var(--colorGray100);
}

.tariff-table th {
    padding: 21px 0;
    font-size: var(--fontSizeBase);
    line-height: var(--lineHeightBase);
    font-weight: var(--fontWeightMedium);
}

.tariff-table tbody td {
    height: 70px;
    text-align: center;
}

.tariff-table tbody tr:first-child td{
    padding-top: 20px;
}

.tariff-table tbody tr:last-child td{
    padding-bottom: 20px;
}

.tariff-table tbody td.txt-primary {
    font-weight: var(--fontWeightExtrabold);
}





/* responsive css */
@media screen and (min-width: 768px) and (max-width: 1279px) {
    .first-section {
        padding: 40px 0 80px;
    }

    .first-section .content-inner {
        gap: 40px 0;
    }

    .merit-box ul {
        grid-template-columns: 1fr;
        gap: 10px 0;
    }

    .merit-box ul li {
        align-items: center;
    }

    .second-section {
        padding: 45px 0;
    }

    .second-section .content-inner {
        gap: 30px 0;
    }

    .banner-title-group {
        gap: 15px 0;
    }

    .banner-title-group img {
        width: 60px;
    }

    .second-section .btn-group {
        width: auto;
    }

    .third-section {
        padding: 80px 0 120px;
    }

    .third-section .content-inner {
        gap: 30px 0;
    }

    .third-section .btn-group {
        width: 100%;
    }

}


@media screen and (max-width: 767px) {
    .first-section {
        padding: 30px 0 60px;
    }

    .first-section .content-inner {
        gap: 20px 0;
    }

    .merit-box ul {
        grid-template-columns: 1fr;
        gap: 10px 0;
    }

    .merit-box ul li {
        padding: 30px 20px;
        align-items: center;
        grid-template-columns: 60px 1fr;
        gap: 0 20px;
    }

    .merit-box .title-group p {
        font-size: var(--fontSizeBase);
        line-height: var(--lineHeightBase);
    }

    .merit-box .desc {
        font-size: var(--fontSizeXs);
        line-height: var(--lineHeightXs);
    }

    .second-section {
        padding: 45px 0;
    }

    .second-section .content-inner {
        gap: 25px 0;
    }

    .banner-title-group {
        gap: 15px 0;
    }

    .banner-title-group img {
        width: 46px;
    }

    .banner-title-group .section-title {
        font-size: var(--fontSizeMd);
        line-height: var(--lineHeightMd);
    }

    .second-section .btn-group {
        width: auto;
    }

    .third-section {
        padding: 60px 0 80px;
    }

    .third-section .content-inner {
        gap: 30px 0;
    }

    .tariff-table th {
        padding: 15px 0;
        font-size: var(--fontSizeXs);
        line-height: var(--lineHeightXs);
    }

    .tariff-table tbody td {
        height: 60px;
        font-size: var(--fontSizeSm);
    }

    .tariff-table tbody tr:first-child td{
        padding-top: 0;
    }

    .tariff-table tbody tr:last-child td{
        padding-bottom: 0;
    }
}