@media (max-width: 767px) {
    html,
    body {
        max-width: 100%;
        overflow-x: hidden;
    }

    #base-nav {
        min-height: 66px;
    }

    #base-nav > .container {
        padding-left: 12px !important;
        padding-right: 12px !important;
    }

    #base-nav .navbar-header {
        align-items: center;
        display: flex;
        justify-content: space-between;
        min-height: 66px;
    }

    #base-nav .navbar-brand {
        display: flex;
        float: none;
        height: auto;
        max-width: calc(100% - 64px);
        padding: 9px 0 7px;
    }

    #base-nav .navbar-brand img {
        height: auto;
        max-height: 50px;
        max-width: 168px;
        width: 68vw;
    }

    #base-nav .navbar-toggle {
        border-color: rgba(255, 255, 255, 0.5);
        flex: 0 0 auto;
        float: none;
        margin: 0;
        position: relative;
        right: auto;
    }

    #base-nav .navbar-toggle .icon-bar {
        background-color: #ffffff;
    }

    #base-nav #navbar {
        clear: both;
        margin-top: 0;
        max-height: calc(100vh - 66px);
        overflow-y: auto;
    }

    .corner-ribbon.top-left.sticky {
        font-size: 11px;
        left: -51px;
        line-height: 22px;
        top: 18px;
        width: 170px;
        z-index: 1000;
    }

    .corner-ribbon .ios-available {
        font-size: 11px;
    }

    #patent-pending {
        font-size: 10px;
    }

    header#home {
        height: 100svh;
        min-height: 560px;
    }

    header#home .container {
        padding-left: 20px !important;
        padding-right: 20px !important;
        top: 52%;
    }

    .mb-banner-text1 {
        font-size: 30px;
        line-height: 38px;
        margin-bottom: 18px;
    }

    .mb-sup {
        font-size: 16px;
    }

    .mb-banner-text {
        font-size: 16px;
        line-height: 24px;
        margin-bottom: 24px;
        margin-top: 16px;
    }

    .video-btn {
        padding-top: 14px;
    }

    .video-btn a {
        display: block;
        margin: 0 auto 10px;
        max-width: 280px;
    }

    .banner-btn,
    .banner-btn-watch {
        font-size: 15px;
        line-height: 1.25;
        margin: 6px auto;
        max-width: 280px;
        padding: 11px 12px;
        white-space: normal;
        width: 100% !important;
    }

    .qa-float-btn.qa-float-btn--with-public-grace {
        align-items: center;
        bottom: calc(12px + env(safe-area-inset-bottom, 0px)) !important;
        display: inline-flex !important;
        font-size: 14px !important;
        justify-content: center;
        left: 12px !important;
        min-height: 48px;
        padding: 0 18px !important;
        right: auto !important;
        white-space: nowrap;
        z-index: 10010;
    }
}

@media (max-width: 380px) {
    .mb-banner-text1 {
        font-size: 26px;
        line-height: 34px;
    }

    .mb-banner-text {
        font-size: 14px;
        line-height: 22px;
    }

    .banner-btn,
    .banner-btn-watch {
        font-size: 14px;
        max-width: 260px;
    }
}