.col-l {
    /* display: flex;
    flex-direction: column; */
    width: 25%;
    align-self: center;
}

.col-r {
    /* display: flex;
    flex-direction: column; */
    align-self: center;
    width: 75%;
    padding-left: 10px;
}

.row {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
}

.text-muted {
    color: gray;
}

.form-control {
    width: 100%;
    padding: 0.375em 0.75em;
    margin: 8px 0;
    display: inline-block;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
    font-size: 1em;
    font-family: inherit;
}

.btn {
    background-color: #4CAF50;
    color: white;
    padding: 0.375em 0.75em;
    margin: 8px 0;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    font-family: inherit;
    transition: 10ms;
}

.btn:hover {
    background-color: #45a049;
}

.btn:focus {
    box-shadow: 0 0 0 .2rem #4CAF50;
}

ul, ol {
    text-align: justify;
    text-justify: inter-ideograph;
    padding-left: 3em;
    margin-bottom: 1em;
}

hr {
    /* border: 1px solid #f1f1f1; */
    margin: 8px 0;
}


/* モバイル対応 */
@media screen and (max-width: 600px) {
    .row {
        flex-direction: column;
    }

    .col-l {
        width: 100%;
    }

    .col-r {
        width: 100%;
    }
}