.header {
    background: #eaeaea;
    padding-top: 2em;
    padding-bottom: 2em;
}

.header .lang {
    padding-left: 0;
}

.brand_header .logo-brand {
    text-align: center;
}

.brand_header .logo-brand img {
    padding: 0;
    margin: 0;
    width: 100%;
}

.brand_header a {
    text-decoration: none;
}

.header .title {
    font-size: 1.9em;
    line-height: 1.2;
    font-family: 'Kanit', sans-serif;
    margin: 0;
    padding: 0;
    color: #202e31;
    margin-top: 20px;
}

.header .sub_title {
    font-size: 1.5em;
    font-weight: 300;
    line-height: 1.4;
    padding-top: 2px;
    font-family: 'Kanit', sans-serif;
    margin: 0;
    padding: 0;
    color: #202e31;
}

.header span {
    color: #202e31;
    font-family: 'THSarabun';
    font-size: 1.5em;
}

.header button {
    font-size: 1.5em;
    border: none;
    background: none;
    font-family: 'THSarabun';
}

.header input {
    font-size: 1.5em;
    border-radius: 0;
    border: solid 1px #202e31;
    margin-top: 5px;
    font-family: 'THSarabun';
}


/*responsive*/

@media (max-width: 767px) and (min-width: 320px) {
    .header {
        padding-top: 1em;
        padding-bottom: 1em;
    }
    .header .brand_header {
        margin-bottom: 10px;
    }
    .header .title {
        font-size: 1.2em;
        margin-top: 5px;
    }
    .header .sub_title {
        font-size: 0.8em;
    }
    .header h3 {
        margin-bottom: 10px;
    }
    .header span {
        font-size: 1.5em;
        display: none;
    }
    .header button {
        font-size: 1.5em;
        display: none;
    }
    .header input {
        margin-top: 15px;
    }
}

@media (max-width: 767px) and (min-width: 568px) {
    .brand_header .logo-brand img {
        width: 65%;
    }
    .header .title {
        font-size: 1.7em;
    }
    .header .sub_title {
        font-size: 1.5em;
    }
}

@media (max-width: 1024px) and (min-width: 767px) {
    .header form {
        padding-left: 25%;
    }
}

@media (max-width: 1024px) and (min-width: 992px) {
    .header .title {
        margin-top: 10px;
    }
    .header span {
        font-size: 1em;
    }
    .header button {
        font-size: 1em;
    }
    .header form {
        padding-left: 0;
    }
}

@media (max-width: 1199px) and (min-width: 1025px) {
    .header .title {
        margin-top: 10px;
    }
    .header span {
        font-size: 1.1em;
    }
    .header button {
        font-size: 1.1em;
    }
    .header form {
        padding-left: 0;
    }
}