@media (max-width: 1434px) {
    .nav__item > a {
        padding: 10px 15px;
        font-size: 14px;
    }
}
@media (max-width: 1186px) {
    .nav__item > a {
        padding: 10px 15px;
        font-size: 10px;
    }
}
@media (max-width: 930px) {
    .nav__item > a {
        padding: 10px 5px;
        font-size: 10px;
    }
    .nav__item:last-child {
        margin-left: 10px;
    }
}
body.index .nav__index::after, body.about .nav__about::after, body.corporate .nav__corporate::after, body.service .nav__service::after, body.drone .nav__drone::after {
    position: absolute;
    top: 0;
    left: 50%;
    content: "";
    display: block;
    width: 1px;
    height: 100%;
    background: #F2832D;
}
body.index .nav__index a, body.about .nav__about a, body.corporate .nav__corporate a, body.service .nav__service a, body.drone .nav__drone a {
    color: #F2832D;
}
.nav__drone a {
    text-align: center;
}
.nav__drone a span {
    letter-spacing: 0.3px;
}


@mmedia (max-width: 560px) {
    .drone__txt_sp span {
        position: relative;
        text-align: center;
        font-size: 24px;
        line-height: 1.6;
        background: -webkit-gradient(linear, left top, left bottom, color-stop(80%, transparent), color-stop(20%, #ccc));
        background: linear-gradient(transparent 80%, #ccc 20%);
    }
}
.drone-text-box {
    padding: 20px 15px 40px;
}

.drone__txt {
    display: inline-block;
    position: relative;
    text-align: center;
    font-size: 36px;
    line-height: 1.3;
    letter-spacing: 0.05em;
    margin-bottom: 50px;
}

.drone__txt02 {
    text-align: left;
    font-size: 16px;
    line-height: 1.75;
    letter-spacing: 0.05em;
    margin: 0;
}
.drone__txt_sp {
 display: none;   
}
@media screen and (max-width: 940px) {
    .drone__txt_sp {
        display: block;
        text-align: center;
        margin-bottom: 50px;
    }
        .drone__txt_sp span {
        position: relative;
        text-align: center;
        font-size: 24px;
        line-height: 1.6;
        background: -webkit-gradient(linear, left top, left bottom, color-stop(80%, transparent), color-stop(20%, #ccc));
        background: linear-gradient(transparent 80%, #ccc 20%);
    }
    .drone__txt_br {
        display: block;
    }
    .drone-text-box .drone__txt {
        display: none;
    }
    .drone-movie-box .drone__txt {
        font-size: 20px;
    }
}

.drone-br-mobile {
    display: none;
}
@media (max-width: 1329px) {
    .drone-br-mobile {
        display: block;
    }
}

.drone-movie-box video {
    width: 100%;
}
.drone-movie-box {
    padding-top: 20px;
    padding-bottom: 40px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.drone-movie-box .drone__txt {
    margin-bottom: 20px;
}
.drone-movie-box:last-child {
    align-items: center;
}