.about_main_box {
    width: 100%;
    padding-top: calc(15px + 4rem);
}
.about_main{
    max-width: 1640px;
    width: 85%;
    margin: auto;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: calc(10px + 2rem);
}
.about_item{
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.about_item:nth-of-type(1) .about_item_text{
    width: 46.8902%;
}
.about_item_text .p1{
font-family: Source_Han_Regular;
font-weight: 400;
font-size: calc(6px + 1.5rem);
color: #A22124;
line-height: calc(12px + 2rem);

}
.about_item_text .p2 {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: calc(5px + 0.25rem);
    margin-top: calc(10px + 0.5rem);
}
.about_item_text .p2 p{
font-family: Source_Han_normal;
font-weight: 350;
font-size: calc(8px + 0.5rem);
color: #666666;
line-height: calc(6px + 1.5rem);
}
.about_item:nth-of-type(1) .about_item_pic{
    width: 48.7805%;
    height: calc(75px + 30rem);
}
.about_item .about_item_pic img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.about_item:nth-of-type(2) .about_item_text{
    width: 53.9634%;
}
.about_item:nth-of-type(2) .about_item_pic{
    width: 39.6341%;
    height: calc(50px + 30rem);
}

.about_item:nth-of-type(3) .about_item_text{
    width: 50%;
}
.about_item:nth-of-type(3) .about_item_pic{
    width: 39.5732%;
    height: calc(48px + 40rem);
}
.icon_img{
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: calc(13px + 2rem);
    margin-top: calc(1px + 5rem);
}
.icon_img img{
    width: calc(20px + 5rem);
}
.equipment_box{
    padding-top: calc(50px + 5rem);
    padding-bottom: calc(30px + 5rem);
}
.equipment_box .p1{
font-family: Source_Han_Regular;
font-weight: 400;
font-size: calc(8px + 2rem);
color: #333333;
line-height: calc(10px + 3rem);
text-align: center;

}
.equipment{
    width: 100%;
    display: grid;
    grid-template-columns: 56.25% 42.7083%;
    gap: calc(10px + 0.5rem);
    margin-top: calc(17px + 3rem);
}
.equipment_pic{
    width: 100%;
    height: calc(40px + 20rem);
    
}
.equipment_pic:nth-of-type(1){
    height: calc(100px + 40rem);
    grid-row-start: 1;
    grid-row-end: 3;
}
.equipment_pic img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (max-width: 1100px){
    .about_item{
        flex-direction: column;
        justify-content: flex-start;
        gap: calc(10px + 1rem);
    }
    .about_item:nth-of-type(1) .about_item_text{
        width: 100%;
    }
    .about_item_text .p1{
        font-size: calc(14px + 1rem);
        line-height: 1.5;
    }
    .about_item_text .p2 p{
        font-size: calc(10px + 1rem) !important;
        line-height: 1.5;
    }
    .about_item:nth-of-type(1) .about_item_pic{
        width: 100%;
        height: calc(75px + 50rem);
    }
    .about_item:nth-of-type(2){
        flex-flow: column-reverse;
    }
    .about_item:nth-of-type(2) .about_item_pic{
        width: 100%;
        height: calc(50px + 60rem);
    }
    .about_item:nth-of-type(2) .about_item_text{
        width: 100%;
    }
    .about_item:nth-of-type(3) .about_item_text{
        width: 100%;
    }
    .about_item:nth-of-type(3) .about_item_pic{
        width: 100%;
        height: calc(48px + 95rem);
    }
    .equipment_box .p1{
        font-size: calc(18px + 1rem);
        line-height: 1.5;
        
    }
}