body {
    font-family: 'Courier New', Courier, monospace, Arial, Helvetica, sans-serif;
    font-weight: Regular;
    margin: 0;
    overflow: hidden;
    background-color: #f0f0f0;
}

.cursor {
    position: absolute;
    width: 15px;
    height: 15px;
    background-color: black;
    border-radius: 0%;
}

.text {
    position: absolute;
    top: 0;
    left: 0;
    padding: 0 5px;
    font-size: 16px;
    white-space: nowrap;
    width: 100%;
    height: 100%;
}

.text span {
    position: absolute;
    font-size: 16px;
    white-space: nowrap;
    user-select: none;  /* 文字の選択を無効化 */
}