.use-box {
    width: 100%;
}

.use-box ul {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px 0;
}

.use-box ul li {
    width: auto;
    padding: 80px 70px;
    background-color: var(--colorGray100);
    border-radius: var(--borderRadius2Xl);
    display: grid;
    align-items: flex-start;
    grid-template-columns: 540px auto;
    gap: 0 40px;
}

.title-group {
    padding-top: 20px;
}

.sub-title-group {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 10px 0;
}

.sub-title-group .title {
    font-size: var(--fontSize3Xl);
    line-height: var(--lineHeight3Xl);
}

.step {
    font-size: var(--fontSizeLg);
    line-height: var(--lineHeightLg);
    color: var(--colorPrimary);
    font-weight: var(--fontWeightBold);
}

.use-img {
    width: auto;
}





/* responsive css */
@media screen and (min-width: 768px) and (max-width: 1279px) {
    .use-box ul li {
        padding: 40px 60px;
        grid-template-columns: 1fr;
        gap: 40px 0;
    }

    .title-group {
        width: auto;
        gap: 20px 0;
    }

    .sub-title-group {
        gap: 6px 0;
    }

    .sub-title-group .title {
        font-size: var(--fontSize2Xl);
        line-height: var(--lineHeight2Xl);
    }

    .step {
        font-size: var(--fontSizeBase);
        line-height: var(--lineHeightBase);
    }

    .use-img img {
        width: 100%;
    }

}

@media screen and (max-width: 767px) {
    .use-box ul {
        gap: 20px 0;
    }

    .use-box ul li {
        padding: 20px 30px;
        grid-template-columns: 1fr;
        border-radius: var(--borderRadiusSm);
        gap: 20px 0;
    }

    .title-group {
        padding-top: 10px;
    }

    .sub-title-group {
        gap: 4px 0;
    }

    .sub-title-group .title {
        font-size: var(--fontSizeLg);
        line-height: var(--lineHeightLg);
    }

    .step,
    .title-group .desc {
        font-size: var(--fontSizeXs);
        line-height: var(--lineHeightXs);
    }

    .use-img {
        width: 100%;
    }

    .title-group .desc br{
        display: none;
    }
}