.about-box{
    width: 100%;
    display: block;
    position: relative;
    font-size: 0;
    min-height: calc(100vh - 80px);
    margin-top: var(--mainMargin_Top);
}
.about-left-box,
.about-right-box{
    width: 50%;
    display: inline-block;
    vertical-align: top;
}
.about-img-box{
    width: 100%;
    height: 100%;
    display: block;
}
.about-img-box span{
    width: 100%;
    height: calc(50vw * (950 / (1920 / 2)));
    display: block;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}
.about-right-box{
    height: calc(50vw * (950 / (1920 / 2)));
    display: inline-flex;
    display: -webkit-inline-flex;
    align-items: center;
    -webkit-align-items: center;
    justify-content: center;
    -webkit-justify-content: center;
    flex-direction: column;
}
.about-text-box p{
    font-size: 16px;
    color: #888;
    letter-spacing: 0.06em;
    margin-top: 10px;
}
.about-text{
    font-size: 18px;
    color: #555;
    letter-spacing: 0.06em;
    margin: 40px 0;
    line-height: 2;
}
.about-text-box span{
    font-size: 20px;
    color: var(--mainColor);
    font-weight: bold;
    letter-spacing: 0.06em;
}



@media only screen and (max-width: 1200px){
    .about-text{
        font-size: 16px;
    }
    .about-right-box {
        box-sizing: border-box;
        padding: 10px;
    }
}
@media only screen and (max-width: 1000px){
    .about-box{
        margin-top: var(--rwd1000Margin_Top);
    }
    .about-text{
        margin: 20px 0;
    }
}
@media only screen and (max-width: 750px){
    .about-left-box, 
    .about-right-box{
        width: 100%;
    }
    .about-img-box span{
        height: calc(100vw * (950 / (1920 / 2)));
    }
    .about-right-box{
        height: inherit;
        display: block;
        text-align: center;
    }
    .about-text-box{
        display: inline-block;
    }
    .about-all-box{
        display: flex;
        display: -webkit-flex;
        align-items: center;
        -webkit-align-items: center;
        justify-content: center;
        -webkit-justify-content: center;
        flex-direction: column-reverse;
    }
}
@media only screen and (max-width: 550px){
    .about-box{
        margin-top: var(--rwd550Margin_Top);
    }
    .about-text-box p{
        font-size: 12px;
        letter-spacing: 0.03em;
    }
    .about-text{
        font-size: 14px;
        letter-spacing: 0.03em;
        margin: 10px 0;
    }
    .about-text-box span{
        font-size: 14px;
        letter-spacing: 0.03em;
    }
}



/*<-------------動畫------------->*/
@media only screen and (min-width: 1001px){
    .about-left-box, 
    .about-right-box{
        opacity: 0;
    }
    .about-left-box.anima{
        animation: fadeInLeft 1s ease 0s 1 both; 
    } 
    .about-right-box.anima{
        animation: fade 1s ease 0.3s 1 both; 
    }
}