.naka_h1 {
    text-align: center;
    margin: 1%;
    font-size: 1.2em;
}

.inquiry_form {
    text-align: center;
    margin: 2%;
}

.button_group {
    text-align: center;
}

.inquiry_box {
    text-align: center;
    padding: 5%;
}

.inquiry_box .pdf_btn {
    display: inline-block;
    background: #cb1717;
    padding: 0.7% 3%;
    margin: 1%;
    border-radius: 5px;
    color: #fff;
    text-decoration: none;
    border: 0;
}

.inquiry_box .next_btn {
    display: inline-block;
    background: #175fcb;
    padding: 0.2% 1%;
    margin: 0.3%;
    margin-top: 1%;
    border-radius: 5px;
    color: #fff;
    text-decoration: none;
}

.inquiry_box .end_btn {
    display: inline-block;
    background: #342121;
    padding: 0.2% 1%;
    margin: 0.3%;
    margin-top: 1%;
    border-radius: 5px;
    color: #fff;
    text-decoration: none;
}

.rec_num {
    font-weight: bold;
}

.inquiry_msg {
    color: #f00;
    margin-top: 1%;
    margin-bottom: 0.5%;
    display: block;
    font-size: 0.9em;
}

.inquiry_box a.back_btn_color {
    background: #2f3fb3;
}

.back_btn {
    padding: 1% 3%;
}

.tel_password {
    width: 100%;
    padding: 1%;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
}

.download_form_box {
    display: flex;
    margin-bottom: 2%;
}