button {
    margin-top: 10px;
    padding: 4px 8px;
    border: none;
    border-radius: 6px;
    background: #335fa1;
    color: white;
}

button:hover {
    background: #227aff;
}

.page_navi {
    display: flex;
    align-items: flex-end;
}

button#openModal {
    margin-left: auto;
    margin-right: 5px;
    margin-top: 2px;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: white;
    padding: 20px;
    border-radius: 12px;
    width: 90%;
    max-width: 320px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.modal-content h2 {
    margin-top: 0;
}

.modal-content label {
    display: block;
    margin: 10px 0;
}

.close {
    float: right;
    font-size: 1.2em;
    cursor: pointer;
    color: #666;
}

@media (max-width: 599px) {
    th:nth-child(1) {
        width: 0;
        display: none;

    }

    td:nth-child(1) {
        width: 0;
        display: none;
    }

    th:nth-child(n+4) {
        width: 0;
        display: none;

    }

    td:nth-child(n+4) {
        width: 0;
        display: none;
    }


}