.about-usbox {
    max-width: 90%;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    gap: 20px;
    margin: auto;
}

.about-ustitle {
    font-size: 50px;
    font-weight: bold;
    margin-top: 100px;
    margin-bottom: 40px;
}


.dot-line {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 30px;
}

.dot-line::before {
    content: "";
    position: absolute;
    width: 1px;
    height: 150px;
    background-color: black;
}

.dot {
    width: 15px;
    height: 15px;
    background: black;
    border-radius: 9999px;
    z-index: 1;
}

.string {
    align-self: stretch;
    justify-content: center;
    align-items: flex-start;
    gap: 30px;
    display: flex;
    margin-top: 30px;
}

.summary-box {
    width: 100px;
    height: 60px;
    position: relative;
    border-bottom: 2px #CC9D2D solid;
}

.summary {
    width: 170px;
    left: -1px;
    top: 20px;
    position: absolute;
    justify-content: center;
    display: flex;
    flex-direction: column;
    color: #0E1D31;
    font-size: 18px;
    font-weight: 700;
    word-wrap: break-word;
    text-align: left;
}

.detail {
    left: 0px;
    position: absolute;
    justify-content: center;
    display: flex;
    flex-direction: column;
    color: #0E1D31;
    font-size: 18px;
    font-weight: 600;
    word-wrap: break-word;
    text-align: left;
}

.detail-box {
    width: 800px;
    height: 60px;
    position: relative;
    border-bottom: 2px #CC9D2D solid;
}


.year {
    height: 50px;
    color: #8C8C8C;
    font-size: 27px;
    font-weight: 700;
    line-height: 50px;
    word-wrap: break-word;
    text-align: right;
}

.month {
    width: 80px;
    height: 50px;
    color: black;
    font-size: 20px;
    font-weight: 600;
    line-height: 50px;
    word-wrap: break-word
}

.history-box {
    height: auto;
    justify-content: flex-start;
    align-items: center;
    gap: 10px;
}

.history {
    width: 40%;
    height: 50px;
    color: black;
    font-size: 20px;
    font-weight: 600;
    line-height: 50px;
    word-wrap: break-word;
    text-align: left;
    line-height: 25px;
    padding-top: 10px;
}

.history-year {
    display: flex;
    justify-content: center;
    height: 100px;
    gap: 40px;
    margin: 20px;
}

.container {
    text-align: left;
}

.align-items-start {
    display: flex;
}

.partner {
    text-align: center;
    font-size: 40px;
    font-weight: bold;
    margin: 100px auto 30px auto;
}

.breadcrumb {
    margin: 0;
    padding: 0;
    list-style: none;
    margin-left: 90px;

}

.breadcrumb li {
    display: flex;
    /*横に並ぶように*/
    list-style: none;
    font-size: small;
    margin-top: 10px;

}

.breadcrumb li:after {
    /* >を表示*/
    content: '>';
    padding: 0 0.2em;

}

.breadcrumb li:last-child:after {
    content: '';
}

li[itemprop="itemListElement"] a {
    color: rgb(5, 5, 5);
    text-decoration: none;
}
@media (max-width: 1000px) {
.about-usbox {
    margin: 0px 10px;
}

.detail-box  {
    width: 500px;
}



}








@media (max-width: 600px) {
    .about-usbox {
        max-width: 95%;
        margin: 0px;
    }

    .string {
        display: block;
        max-width: 100%;
        margin: 20px;
    }

    .history {
        width: 90%;
        font-size: 15px;
        line-height: 20px;
        height: 70px;
    }

    .detail-box {
        width: 100%;
        height: 50px;
    }

    .detail {
        width: 100%;
        display: block;
        font-size: 15px;
    }

    .history-year {
        gap: 0px;
        padding: 5px 0px;
        height: auto;
    }

    .history-box {
        max-width: 100%;
    }

    .year {
        font-size: 20px;
        width: 100px;
    }

    .month {
        font-size: 18px;
    }

    .summary-box {
        height: 50px;
    }

    .dot {
        width: 10px;
        height: 10px;
    }

    .dot-line::before {
        height: 120px;
    }

    .year {
        font-size: 15px;
    }

    .row {
        max-width: 80%;
    }

    .img {
        width: 250px;
    }

    .span-url {
        max-width: 90%;
        margin-left: 15px;
    }

    .breadcrumb {
        margin-left: 15px;
    }

    .breadcrumb li {
        font-size: small;
        margin-top: 50px;
    }
}