.sub_wrap .sub_20_1 {
    padding-top: 70px;
    color: #222;
}

.sub_wrap .sub_20_1 * {
    box-sizing: border-box;
}

.sub_wrap .sub_20_1 img {
    display: block;
    max-width: 100%;
}

.sub_wrap .sub_20_1 .sub20_top {
    display: flex;
    align-items: center;
    gap: 48px;
    padding: 50px;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 32px;
    box-shadow: 0 18px 50px rgba(0,0,0,0.05);
}

.sub_wrap .sub_20_1 .txt_box {
    flex: 1;
    min-width: 0;
}

.sub_wrap .sub_20_1 .logo_box {
    margin-bottom: 28px;
}

.sub_wrap .sub_20_1 .logo_box img {
    width: 160px;
    object-fit: contain;
}

.sub_wrap .sub_20_1 .num {
    margin: 0 0 14px;
    font-size: 18px;
    font-weight: 700;
    color: #e97822;
}

.sub_wrap .sub_20_1 h2 {
    margin: 0 0 40px;
    font-size: 34px;
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.03em;
    color: #222;
    word-break: keep-all;
}

.sub_wrap .sub_20_1 h2 span {
    color: #e97822;
}

.sub_wrap .sub_20_1 h3 {
    margin: 0 0 20px;
    font-size: 25px;
    font-weight: 800;
    line-height: 1.4;
    letter-spacing: -0.03em;
    color: #333;
    word-break: keep-all;
}

.sub_wrap .sub_20_1 .desc {
    margin: 0 0 20px;
    font-size: 18px;
    line-height: 1.9;
    color: #555;
    word-break: keep-all;
}

.sub_wrap .sub_20_1 .point_list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.sub_wrap .sub_20_1 .point_list li {
    position: relative;
    padding-left: 17px;
    margin-bottom: 10px;
    font-size: 18px;
    line-height: 1.8;
    color: #333;
    word-break: keep-all;
}

.sub_wrap .sub_20_1 .point_list li:last-child {
    margin-bottom: 0;
}

.sub_wrap .sub_20_1 .point_list li::before {
    content: "·";
    position: absolute;
    left: 0;
    top: 0;
    color: #e97822;
    font-weight: 700;
}

.sub_wrap .sub_20_1 .case_box {
    margin-top: 38px;
    padding: 24px 28px;
    background: #fff7f0;
    border: 1px solid #f2dfcf;
    border-radius: 20px;
}

.sub_wrap .sub_20_1 .case_box strong {
    display: block;
    margin-bottom: 10px;
    font-size: 20px;
    font-weight: 700;
    color: #222;
}

.sub_wrap .sub_20_1 .case_box p {
    margin: 0;
    font-size: 17px;
    line-height: 1.8;
    color: #555;
    word-break: keep-all;
}

.sub_wrap .sub_20_1 .img_box {
    width: 44%;
    flex: 0 0 44%;
    border-radius: 28px;
    background: linear-gradient(135deg, #f3f3f3 0%, #e9e9e9 100%);
    overflow: hidden;
    position: relative;
}

.sub_wrap .sub_20_1 .img_box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media all and (max-width:1200px) {
    .sub_wrap .sub_20_1 {
        padding: 50px 0 70px;
    }

    .sub_wrap .sub_20_1 .sub20_top {
        flex-direction: column;
        gap: 28px;
        padding: 30px 20px;
        border-radius: 22px;
    }

    .sub_wrap .sub_20_1 .logo_box {
        margin-bottom: 22px;
    }

    .sub_wrap .sub_20_1 .logo_box img {
        width: 130px;
    }

    .sub_wrap .sub_20_1 .num {
        font-size: 16px;
        margin-bottom: 10px;
    }

    .sub_wrap .sub_20_1 h2 {
        font-size: 26px;
        margin-bottom: 16px;
    }

    .sub_wrap .sub_20_1 h2 span{display: block;}

    .sub_wrap .sub_20_1 h3 {
        font-size: 19px;
        margin-bottom: 18px;
    }

    .sub_wrap .sub_20_1 .desc {
        font-size: 16px;
        line-height: 1.75;
        margin-bottom: 26px;
    }

    .sub_wrap .sub_20_1 .point_list li {
        font-size: 16px;
        line-height: 1.7;
        margin-bottom: 10px;
    }

    .sub_wrap .sub_20_1 .case_box {
        margin-top: 28px;
        padding: 20px;
        border-radius: 16px;
    }

    .sub_wrap .sub_20_1 .case_box strong {
        font-size: 18px;
    }

    .sub_wrap .sub_20_1 .case_box p {
        font-size: 15px;
        line-height: 1.7;
    }

    .sub_wrap .sub_20_1 .img_box {
        width: 100%;
        flex: none;
        border-radius: 20px;
    }
}