#how_to_use {
    width: 100%;
    padding-top: 5rem;
    padding-bottom: 5rem;

    box-sizing: border-box;

    background-color: white;
}

#how_to_use .title {
    color: #121518;
}

#how_to_use .sub_title {
    color: #121518;
}

.step_table {
    width: 100%;
    padding: 80px 40px;

    display: flex;
    justify-content: space-between;
    align-items: stretch;

    background-color: #F7F9FA;
    border-radius: 24px;
    border: 1px solid #C9CFD4;;
}

.step {
    width: 100%;
    max-width: calc( (100% - 40px*2)/3 );

    display: flex;
    flex-direction: column;
    align-items: center;
}

.step_titles {
    margin-bottom: 12px;

    display: flex;
    align-items: baseline;
}

.step_title_number {
    margin: 0;

    font-size: 40px;
    font-weight: 700;
    line-height: 40px;
}

.step_title {
    margin: 0;

    font-size: 2rem;
    font-weight: 500;
}

.step_discription {
    margin: 0;

    font-size: 1rem;
    font-weight: 400;
}

.step_img_area {
    display: flex;
    width: 100%;
    height: 209px;
    margin-bottom: 1rem;
    border-radius: 1rem;
}

.step_image {
    display: block;
    margin:0 auto;
    width: auto;
    height: 100%;

    object-fit: cover;
}

@media screen and (max-width: 1189px) {
    .step_discription{
        font-size: 1rem;
    }
}

@media screen and (max-width: 800px) {    
    .step_image {
        width: 100%;
        object-fit: contain;
    }
}

@media screen and (max-width: 620px) {
    .step{
        max-width: calc( (100% - 1rem*2)/3 );
    }
}

@media screen and (max-width: 585px) {
    .step_table {
        padding: 40px 24px;

        flex-direction: column;
    }
    .step{
        width: 100%;
        max-width: none;

        justify-content: center;
        
        margin-bottom: 3rem;
    }

    .step_title_number{
        font-size: 2rem;
    }

    .step_image {
        display: block;
        margin:0 auto;
        width: auto;
        height: 100%;
    
        object-fit: cover;
    }
}