/* PC */
#pc_about_block{
    display: block;
    margin-bottom: 100px;
}
#mobile_about_block{
    display: none;
    margin-bottom: 50px;
}
.full_height_block{
    
    margin-top: 132px;
}
#pc_about_block>div{
    position: relative;
    margin-top: 100px;
    display: inline-block;
    vertical-align: middle;
    z-index: 4;
}
.portrait_about_block{
    width: 25%;
}
.portrait_about_block>img{
    margin: 60px 30px 0 30px;
    width: calc(100% - 60px);
    max-width: 420px;
}
.text_about_block{
    padding-top: 100px;
    width: 50%;
}
.text_about_block>h1{
    font-weight: 400;
    font-size: 48px;
    color: #343434;
    margin-bottom: 30px;
}
.text_about_block>p{
    font-weight: 400;
    font-size: 32px;
    color: #4A595B;
}


@media screen and (max-width: 1750px){
    .full_height_block{
        margin-top: 112px;
    }
    #pc_about_block>div{
        margin-top: 80px;
    }
    .portrait_about_block>img{
        margin: 100px 30px 0 30px;
    }
    .portrait_about_block{
        width: 30%;
    }
    .text_about_block{
        width: 65%;
    }
}
@media screen and (max-width: 1550px){
    #pc_about_block{
        margin-bottom: 60px;
    }
    .full_height_block{
        margin-top: 90px;
    }
    #pc_about_block>div{
        margin-top: 60px;
    }
    .text_about_block>h1{
        font-size: 38px;
        margin-bottom: 20px;
    }
    .text_about_block>p{
        font-size: 25px;
    }
}
@media screen and (max-width: 1200px){
    .full_height_block{
        margin-top: 72px;
    }
    #pc_about_block>div{
        margin-top: 50px;
    }
}




/* MOBILE */
@media screen and (max-width: 1000px){
    #pc_about_block{
        display: none;
    }
    #mobile_about_block{
        display: block;
        padding: 0 50px;
    }
    .mobile_text_about_block{
        margin-top: 180px;
    }
    .mobile_text_about_block>h1{
        font-weight: 400;
        font-size: 38px;
        color: #343434;
        margin-bottom: 30px;
    }
    .mobile_text_about_block>p{
        font-weight: 400;
        font-size: 25px;
        color: #4A595B;
    }
    .mobile_portrait_about_block{
        display: flex;
        justify-content: center;
        margin-top: 50px;
    }
    .mobile_portrait_about_block>img{
        width: 40%;
        margin-bottom: 30px;
    }
}
@media screen and (max-width: 800px){
    .mobile_portrait_about_block>img{
        width: 60%;
    }
}
@media screen and (max-width: 675px){
    .mobile_text_about_block{
        margin-top: 165px;
    }
    .mobile_text_about_block>h1{
        font-size: 30px;
    }
    .mobile_text_about_block>p{
        font-size: 20px;
    }
}
@media screen and (max-width: 470px){
    .mobile_text_about_block{
        margin-top: 100px;
    }
    .mobile_text_about_block>h1{
        font-size: 25px;
    }
    .mobile_text_about_block>p{
        font-size: 15px;
    }
}