input[type="text"]:focus {
        box-shadow: 0 0 5px 0 rgba(255,153,0,1);
        border: 2px solid #FFF !important;
        outline: 0;
    }
    input[type="text"] {
        display: inline-block;
        width: 19ch;
        min-width: 50px;
    }
    button:focus {
        box-shadow: 0 0 5px 0 rgba(255,153,0,1);
        border: 2px solid #FFF !important;
        outline: 0;
    }
    button {
        display: inline-block;
        width: 19ch;
        min-width: 50px;
    }
    /* モーダルのスタイル */
    .modal {
        display: none;
        position: fixed;
        z-index: 1;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        overflow: auto;
        background-color: rgba(0,0,0,0.4);
    }
    .modal-content {
        background-color: #fefefe;
        margin: 5% auto;
        padding: 20px;
        border: 1px solid #888;
        width: 60%;
        position: absolute;
    }
    .close {
        color: #aaa;
        float: right;
        font-size: 28px;
        font-weight: bold;
    }
    .close:hover,
    .close:focus {
        color: black;
        text-decoration: none;
        cursor: pointer;
    }