.nau-cf7-preview {
    margin-bottom: 30px;
}

.nau-cf7-preview h2 {
    margin-bottom: 25px;
    text-align: center;
}

.nau-cf7-preview-list {
    margin: 0;
    border-top: 1px solid #ddd;
}

.nau-cf7-preview-list dt,
.nau-cf7-preview-list dd {
    box-sizing: border-box;
    margin: 0;
    padding: 16px 20px;
    border-bottom: 1px solid #ddd;
}

.nau-cf7-preview-list dt {
    background: #f5f5f5;
    font-weight: 600;
}

.nau-cf7-preview-list dd {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.btn_contact7 {
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: 20px;
}

.btn_contact7 .nau-cf7-preview-button,
.btn_contact7 .nau-cf7-back-button,
.btn_contact7 .wpcf7-submit {
    flex: 1 1 0;
    box-sizing: border-box;
    width: auto !important;
    max-width: 700px;
    min-height: 58px;
    margin: 0 !important;
}

.btn_contact7 .nau-cf7-preview-button,
.btn_contact7 .nau-cf7-back-button {
    padding: 0.6em 1em;
    border: 2px solid #66342e;
    background-color: #fff;
    color: #66342e;
    font-family: 'a-otf-ud-shin-maru-go-pr6n', sans-serif;
    font-size: 1em;
    font-weight: 500;
    letter-spacing: 0.2em;
    transition: 0.3s;
}

.btn_contact7 .nau-cf7-preview-button:hover,
.btn_contact7 .nau-cf7-back-button:hover {
    background-color: #66342e;
    color: #fff;
}

@media screen and (min-width: 768px) {
    .nau-cf7-preview-list {
        display: grid;
        grid-template-columns: minmax(160px, 30%) 1fr;
    }

    .nau-cf7-preview-list dt,
    .nau-cf7-preview-list dd {
        border-bottom: 1px solid #ddd;
    }
}

@media screen and (max-width: 767px) {
    .nau-cf7-preview-list dt,
    .nau-cf7-preview-list dd {
        padding: 14px 12px;
    }

    .btn_contact7 {
        flex-direction: column;
        gap: 12px;
    }

    .btn_contact7 .nau-cf7-back-button,
    .btn_contact7 .nau-cf7-preview-button,
    .btn_contact7 .wpcf7-submit {
        flex-basis: auto;
        width: 100% !important;
        max-width: none;
        margin: 0 !important;
    }
}