.feature-third-upperclassman {
    position: relative;
    margin-top: 30px;
}

/*adding*/
.feature-first-kouza-kamokuBtn-wrap {
    display: flex;
    justify-content: center;
    gap: 36px;
    margin: 43px auto 0;
    width: 100%;
}

.feature-first-kouza-kamokuBtn {
    display: flex;
    align-items: center;
    justify-content: center;
    border: 4px solid #009c72;
    border-radius: 10px;
    padding: 0px;
    width: 128px;
    height: 57px;
    font-size: 30px;
    line-height: 57px;
    font-weight: bold;
    color: #009c72;
    box-shadow: inset 0px 0px 8px 0px rgba(0, 0, 0, 0.4);
    transition: .3s;
}

.feature-first-kouza-kamokuBtn:hover {
    box-shadow: inset 0px 0px 0 0px rgba(0, 0, 0, 0.4);
}

.kouza-block.toushin {
    padding: 0;
}

.pdf-container {
    position: relative;
}

.pdf-container img {
    vertical-align: middle;
}

.pdf-item {
    bottom: 56px;
    display: block;
    height: 55px;
    overflow: hidden;
    position: absolute;
    text-indent: 100%;
    white-space: nowrap;
    width: 128px;
}

.pdf-url1 {
    left: 79px;
}

.pdf-url2 {
    left: 223px;
}

.pdf-url3 {
    left: 365px;
}

.pdf-url4 {
    left: 506px;
}

.pdf-url5 {
    left: 650px;
}

.pdf-url6 {
    left: 794px;
}