.banner_part{
    position: relative;
    width: 100%;
    height: 100vh;
}
.banner_part>img{
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.banner_title{
    position: relative;
    z-index: 1;
    color: #FFF;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
}
.banner_title>h2{
    align-self: baseline;
    font-size: 90px;
    background-color: rgba(0,0,0,.2);
    padding: 0 30px;
}
.banner_title>h2:last-child{
    align-self: center;
    margin-top: 30px;
}


/* positioning_part */
.positioning_part{
    padding:50px 0;
    background-color: #1b1c1b;
}

.positioning_item{
    color: #FFF;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 70px 0;
    border-bottom: 1px solid #333333;
}
.positioning_item:nth-child(2n){
    flex-flow: row-reverse;
}
.positioning_item:last-child{
    border-bottom: none;
}

.positioning_item>img{
    width: 40%;
    height: calc(40% * 3 / 4);
    max-height: 400px;
}
.positioning_item_detail{
    width: 50%;
    max-width: 530px;
}
.positioning_item_detail>p{
    letter-spacing: 2px;
    line-height: 30px;
}
.positioning_item_title{
    font-size: 14px;
    color: #999999;
}
.positioning_item_detail>h2{
    font-size: 34px;
    color: #88bb42;
    padding: 32px 0;
}


/* advantages_part */
.advantages_part{
    padding: 0 0 120px 0;
}
.advantages_part_list{
    display: grid;
    grid-template-columns: 3fr 3fr 3fr;
    grid-template-rows: 2fr 2fr;
    grid-gap: 20px;
}
.advantages_part_item{
    position: relative;
}
.advantages_part_item>img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.advantages_part_item>p{
    position: absolute;
    bottom: 30px;
    left: 30px;
    font-size: 32px;
    color: #FFF;
}


/* mobile */
@media screen and (max-width: 767px) {
    .banner_title{
        justify-content: flex-end;
        padding-bottom: 100px;
    }
    .banner_title>h2{
        font-size: 34px;
        align-self: center;
    }
    .positioning_part_main,.advantages_part_main{
        padding: 0 30px;
    }

    .positioning_part{
        padding: 0;
    }
    .positioning_item{
        padding: 30px 0;
        flex-direction: column;
        flex-flow: column-reverse;
    }
    .positioning_item_detail{
        padding-bottom: 24px;
        max-width: 100%;
    }
    .positioning_item_detail>h2{
        font-size: 28px;
    }
    .positioning_item:nth-child(2n){
        flex-flow: column-reverse;
    }
    .positioning_item>img{
        width: 100%;
    }
    .positioning_item_detail{
        width: 100%;
    }

    .advantages_part{
        padding: 0 0 50px 0;
    }
    .advantages_part_main{
        padding: 30px;
    }
    .advantages_part_list{
        grid-template-columns: 3fr;
        grid-template-rows: 2fr;
        grid-gap: 10px;
    }
    .advantages_part_item>p{
        font-size: 24px;
        left: 20px;
        bottom: 20px;
    }
    
}