@media screen and (max-width: 1270px) {
    .container {
        width: 900px;
    }

    .header-content {
        margin-top: 0;
    }

    .header-title {
        margin-top: 20px;
        font-size: 40px;
        line-height: 40px;
    }

    .help-content {
        width: 30%;
        padding: 50px 10px 45px;
    }    

    .usefulness {
        padding-bottom: 50px;
    }

    .pseudo-text {
        font-size: 40px;
    }

    .usefulness-bottle {
        display: none;
    }

    .usefulness-content-left, .usefulness-content-right {
        width: 45%;
    } 

    .video-content {
        width: 90%;
    }

    .field {
        width: 300px;
    }

    .button-form {
        width: 300px;
    }

    .form-content-left, .form-content-right {
        width: 50%;
    }

    .advantage-three-row {
        width: 45%;
    }

    .advantage-two-row {
        width: 45%;
        margin: 60px 0;
    }

    .how-content-left, .how-content-right {
        width: 45%;
    }

    .contacts-content {
        position: relative;
        width: 100%;
    }

    .contacts-contents iframe {
        margin-top: 0;
    }

    #to-whatsapp_wrapper {
        width: 300px;
    }

    .all-bt:hover {
        transform: none;
    }
}

@media screen and (max-width: 970px) {
    .container {
        width: 700px;
    }

    .nav-desc-text {
        display: none;
    }

    .header-block {
        margin-bottom: 7rem;
    }

    .header-list {
        width: 100%;
        margin-bottom: 0;
    }

    .header-second-title {
        left: 0;
        right: 0;
        bottom: -5rem;
        margin: auto;
    }

    .header-block {
        flex-direction: column-reverse;
    }

    .header-new {
        right: -20px;
    }

    .buy-content {
        flex-flow: column;
        justify-content: center;
        align-items: center;
    }

    .buy-right, .buy-left {
        width: 100%;
    }

    .buy-right {
        margin-top: 20px;
    }

    .buy img {
        height: 170px;
    }

    .general-contents {
        flex-direction: column;
    }

    .general-content {
        width: 100%;
        text-align: center;
    }

    .story {
        padding-bottom: 50px; 
    }

    .story-content:first-child {
        flex-direction: column-reverse;
    }

    .story-content:last-child {
        flex-direction: column;
    }

    .story-content-text {
        width: 100%;
    }

    .consist-list {
        flex-direction: column;
    }
}

@media screen and (max-width: 770px) {
    section {
        padding-top: 25px;
    }
    
    .container {
        width: 500px;
    }

    .nav-desc {
        display: none;
    }

    .header-block {
        margin-bottom: 0;
    }

    .header-content {
        display: flex;
        flex-direction: column;
        margin-top: 10px;
    }

    .header-second-title {
        bottom: 10px;
    }

    .header-list {
        width: 100%;
        margin-bottom: 90px;
    }

    .header-block-second {
        width: 100%;
    }
    
    .header-img-bottle {
        width: 100%;
        max-width: 300px;
        margin: auto;
    }    

    .header-new {
        right: 0;
    }

    .divider-circle {
        margin: 0 auto 20px;
    }

    .section-title {
        font-size: 40px;
    }

    .help-content {
        width: 45%;
    }

    .advantage {
        padding-bottom: 50px;
        background-position: center bottom;
    }

    .advantage::before {
        content: '';
        position: absolute;
        top: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(255, 255, 255, 0.7);
    }

    .advantage-column {
        max-width: 100%;
    }

    .form {
        background-position: bottom;
        padding-bottom: 0;
    }

    .form .section-text {
        font-size: 18px;
    }

    .form-contents {
        flex-direction: column;
        margin-top: 25px;
    }

    .form-content-left {
        width: 100%;
        padding: 0;
    }

    .form-content-left p {
        margin-right: auto;
        text-align: center;
    }

    .form-content-left p span {
        font-size: 28px;
    }

    .form-bottle {
        margin: auto;
    }

    .form-content-right {
        width: 100%;
        box-sizing: border-box;
        margin-bottom: 50px;
        text-align: center;
    }

    .form-group {
        align-items: center;
    }

    .usefulness-contents {
        flex-wrap: wrap;
    }

    .usefulness-content-left {
        width: 100%;
    }

    .usefulness-content-right {
        width: 100%;
        margin-top: 50px;
    }

    .usefulness-content-left .usefulness-content:nth-child(n+2), 
    .usefulness-content-right .usefulness-content:nth-child(n+2) {
        margin-top: 50px;
    }

    section.consist {
        padding-top: 0;
    }

    .consist-content {
        width: 100%;
    }

    .academy {
        position: relative;
    }

    .academy::before {
        content: "";
        position: absolute;
        top: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(255, 255, 255, 0.7);
    }

    .academy-content {
        width: 100%;
    }

    .how-content {
        flex-direction: column;
    }

    .how-stage {
        margin-top: 20px;
        width: 100%;
    }
}

@media screen and (max-width: 570px) {
    .container {
        width: 95%;
        padding-right: 5px;
        padding-left: 5px;
    }

    .nav {
        flex-direction: column;
        justify-content: center;
    }

    .nav-logo {
        width: 100%;
        max-width: 300px;
    }

    .nav-info {
        justify-content: center;
        margin-right: auto;
    }

    .nav-phone {
        align-items: center;
    }

    .header-title {
        font-size: 25px;
        line-height: 40px;
    }

    .header-third-title {
        top: 60px;
        width: 120px;
    }

    .header-img-bottle {
        width: 100%;
        margin: auto;
    } 

    .header-second-title {
        width: 100%;
    }

    .header-new {
        top: unset;
        bottom: -30px;
    }

    .nav-phone a {
        font-size: 16px;
    }

    .nav-info-second {
        margin-top: 5px;
    }

    .section-title {
        font-size: 30px;
        line-height: 30px;
    }

    .help-content {
        width: 100%;
    }

    .general-content {
        padding: 20px 0;
    }

    .usefulness-contents {
        flex-wrap: wrap;
    }

    .usefulness-content-left, .usefulness-content-right {
        width: 100%;
    }

    .pseudo-text {
        top: -15px;
        left: 0;
        line-height: 0;
        font-size: 30px;
    }

    .pseudo-text.long {
        top: -40px;
    }

    .advantage-contents {
        text-align: center;
    }

    .advantage-three-row {
        flex-direction: column;
        align-items: center;
        width: 100%;
        margin-top: 30px;
    }

    .advantage-two-row {
        flex-direction: column;
        align-items: center;
        width: 100%;    
        margin: 30px 0 0;
    }

    .advantage-two-row:last-child {
        margin-bottom: 30px;
    }

    .how-content-left, .how-content-right {
        width: 100%;
        padding-left: 20px;
    }

    .academy {
        height: auto;
        padding-bottom: 50px;
        background-position: 40% center;
    }

    .modal {
        padding: 40px 10px;
    }

    .button-form {
        width: 280px;
    }

    .field {
        width: 280px;
    }
    
    #to-whatsapp_wrapper_mob {
        display: block;
    }
}

@media screen and (max-width: 390px) {
    .header-second-title {
        width: 300px;
        font-size: 18px;
    }

    .footer-content-text {
        font-size: 22px;
    }
}