.about-box{
    width: 1920px;
    max-width: 100%;
    display: block;
    margin: 0 auto;
    position: relative;
    font-size: 0;
    min-height: calc(100vh - 100px);
    background-color: #f5f5f5;
    overflow: hidden;
}
.about-all-box{
    width: 1300px;
    max-width: 100%;
    display: block;
    margin: 0 auto;
    background-color: #fff;
    position: relative;
    box-sizing: border-box;
    padding-top: 40px;
    border-top: 10px solid #f3cd05;
}
.about-info-box{
    display: block;
}
.about-info{
    width: 100%;
    display: block;
    box-sizing: border-box;
    padding: 0 25px;
}
.about-info-top-box{
    display: block;
    box-sizing: border-box;
    width: 70%;
    text-align: justify;
    margin: 0 auto;
    margin-bottom: 40px;
}
.about-info-top-box>p{
    font-size: 18px;
    color: #666;
    letter-spacing: 0.06em;
    font-weight: bold;
}
.about-history-box{
    width: 50%;
    box-sizing: border-box;
    padding: 30px 10px;
    border-top: 1px solid #ddd;
    display: inline-block;
    vertical-align: top;
}
.about-history-box:nth-child(1),
.about-history-box:nth-child(2){
    border-top: none;
    padding-top: 0;
}
.about-history-year{
    width: 90px;
    font-size: 24px;
    font-family: 'Roboto';
    color: #888;
    letter-spacing: 0.06em;
    font-weight: 500;
    display: inline-block;
    vertical-align: top;
}
.about-history-all-box{
    width: calc(100% - 90px);
    display: inline-block;
    vertical-align: top;
    margin-top: 5px;
}
.about-history-month{
    font-size: 18px;
    color: #f3cd05;
    letter-spacing: 0.06em;
    font-weight: bold;
    display: inline-block;
    vertical-align: middle;
}
.about-history-month span{
    font-family: 'Roboto';
    font-weight: 500;
}
.about-history-dash{
    font-size: 18px;
    color: #888;
    letter-spacing: 0.06em;
    font-weight: bold;
    display: inline-block;
    vertical-align: middle;
    margin: 0 25px;
}
.about-history-title{
    width: calc(100% - 101px);
    font-size: 18px;
    color: #000;
    letter-spacing: 0.06em;
    font-weight: bold;
    display: inline-block;
    vertical-align: middle;
}
.about-history-text{
    font-size: 16px;
    color: #555;
    line-height: 26px;
    letter-spacing: 0.06em;
    margin-top: 15px;
    margin-bottom: 25px;
}
.about-history:last-child .about-history-text{
    margin-bottom: 10px;
}

.about-info-right-box{
    padding-top: 5px;
    padding-right: 15px;
}
.about-info-title{
    font-size: 18px;
    color: #f3cd05;
    letter-spacing: 0.06em;
    font-weight: bold;
    margin-top: 35px;
}
.about-info-title:first-child{
    margin-top: 0;
}
.about-info-text{
    font-size: 16px;
    color: #555;
    letter-spacing: 0.06em;
    line-height: 36px;
    margin-top: 10px;
}
.about-text-m{
    color: #000;
}
.about-text-b{
    color: #000;
    font-weight: bold;
}
#about .index-advantage-info-box{
    margin-top: 40px;
}


@media only screen and (max-width: 1300px){
    .about-all-box{
        width: 1200px;
    }
}
@media only screen and (max-width: 1200px){
    .about-all-box{
        width: 1000px;
    }
}
@media only screen and (max-width: 1000px){
    .about-all-box{
        width: 750px;
    }
    .about-info{
        width: 100%;
    }
}
@media only screen and (max-width: 750px){
    .about-all-box{
        width: 100%;
        border-top: none;
    }
    .about-info-box{
        width: 100%;
    }
    #about .contact-info-form{
        padding: 0;
    }
    .about-history-year{
        font-size: 20px;
    }
    .about-history-month{
        font-size: 16px;
    }
    .about-history-dash{
        font-size: 16px;
        margin: 0 15px;
    }
    .about-history-title{
        font-size: 16px;
        width: calc(100% - 81px);
        vertical-align: top;
    }
    .about-history-text{
        font-size: 14px;
    }
    .about-info-title{
        font-size: 16px;
    }
    .about-info-text{
        font-size: 14px;
    }.about-history-box {
        width: 100%;
    }
}
@media only screen and (max-width: 550px){
    .about-info{
        padding: 0 15px;
    }
    #about .contact-info-form{
        padding: 0;
    }
    .about-history-year{
        font-size: 18px;
        width: 100%;
        display: block;
    }
    .about-history-all-box{
        width: 100%;
        display: block;
    }
    .about-history-month{
        font-size: 14px;
    }
    .about-history-dash{
        font-size: 14px;
        margin: 0 10px;
    }
    .about-history-title{
        font-size: 14px;
        width: calc(100% - 60px);
    }
    .about-history-text{
        font-size: 12px;
        margin-top: 5px;
        margin-bottom: 15px;
    }
    .about-info-title{
        font-size: 14px;
        margin-top: 20px;
    }
    .about-info-text{
        font-size: 12px;
        line-height: 2;
        margin-top: 5px;
    }
    .about-history-box{
        padding: 10px 0;
    }
    .about-info-top-box>p{
        font-size: 14px;
    }
}



@media only screen and (min-width: 1000px){
    .about-history-box,
    .about-info-title,
    .about-info-text{
        opacity: 0;
    }
    .about-history-box.anima,
    .about-info-text.anima{
        animation: fadeInUp 1s ease 0s 1 both;
    }
    .about-info-title.anima{
        animation: fadeInRight 1s ease 0s 1 both;
    }
}

.activity-box{
    width: 100%;
    display: block;
    margin: 0 auto;
    position: relative;
    font-size: 0;
    min-height: calc(100vh - 100px);
    background-color: #fff;
    overflow: hidden;
}
.activity-edit-box{
    font-size: 14px;
    color: #555;
    letter-spacing: 0.06em;
    line-height: 2;
}