.form-container {
    max-width: 800px;
    margin: 0 auto;
    /* border: 1px solid #ccc; */
    border-radius: 5px;
    box-shadow: none;
}

.contact-form .form-field {
    margin-bottom: 15px;
}

.contact-form .form-label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.contact-form .form-input,
.contact-form .form-textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid #ccc;
    border-radius: 3px;
    font-size: 16px;
}

.contact-form .form-textarea {
    resize: vertical;
    min-height: 100px;
}

.contact-form .form-submit {
    display: block;
    margin: 0 auto;
    padding: 10px 25px;
    background-color: #007BFF;
    color: #fff;
    border: none;
    border-radius: 20px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.contact-form .form-submit:hover {
    background-color: #0056b3;
}

.form-textarea::placeholder {
    color: gray; /* グレーの色を指定 */
    opacity: 0.7; /* オパシティを調整して、より薄く見せることができます。 */
}

/*PC用*/
@media print, screen and (min-width: 641px){

    .form-container {
        max-width: 800px;
        padding: 20px;
    }

    .contact-form .form-submit {
        width: 40%;
    }
}

/*SP用*/
@media screen and (max-width:640px) {

    .form-container {
        max-width: 100%;
        padding-top: 20px;
    }

    .contact-form .form-submit {
        width: 60%;
    }
}