@charset "UTF-8";
.mv {
    width: 100%;
    height: 400px;
    position: relative;
    background: url(../img/mv.png) center;
    -webkit-background-size: cover;
    background-size: cover;
    padding-top: 120px;
    box-sizing: border-box;
}
.hd_inner {
    position: absolute;
    bottom: 0;
    width: 100%;
    transform: translateY(50px);
    opacity: 0;
    transition: ease-in-out 1s;
}
.hd_inner.scrollin {
    transform: translateX(0px);
    opacity: 1;
}
/*↑固定↑*/
.main_bg{
    background: url("../img/bk_up.png")left top no-repeat;
    -webkit-background-size: contain;
    background-size: contain;
    padding-top: 100px;
    padding-bottom: 130px;
    position: relative;
    overflow-x: hidden;
}
.main_bg::before {
    content: url(../img/airplane.png);
    position: absolute;
    right: 200px;
    top: 430px;
    z-index: -2;
}
.main_bg::after{
    content: ' ';
    display: block;
    background: url("../img/bk_dwn.png") left bottom no-repeat;
    -webkit-background-size: contain;
    background-size: contain;
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 77.26vw;
    min-height: 989px;
    z-index: -1
}
.intro {
    padding-bottom: 70px;
    position: relative;
}
.intro::after {
    content: ' ';
    background: url(../img/effort.svg) no-repeat;
    position: absolute;
    width: 414px;
    height: 122px;
    right: 200px;
    bottom: 0px;
}
.intro_midashi {
    color: #004CA6;
    font-size: 4rem;
    font-weight: bold;
    letter-spacing: 8px;
    text-indent: -.5em;
}
.intro_text {
    max-width: 755px;
    margin-top: 40px;
    letter-spacing: 3.2px;
}
.mt_1{
    display: inline-block;
    margin-top: 1em;
}
.menu_box.color_01 {
    padding-top: 120px;
    position: relative;
}
.about{
    margin-top: 90px;
    margin-bottom: 100px;
}
.about_title {
    font-size: 7.6rem;
    font-weight: bold;
    color: #0055AB;
    display: flex;
    justify-content: center;
    align-items: flex-end;
}
.about_sub {
    font-size: 2.3rem;
    font-weight: bold;
    color: #0055AB;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1.15;
}

@media screen and (max-width: 767px) {
.mv {
    height: 200px;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}
.main_bg::before {
    left: auto;
    top: 450px;
    right: 0;
}
.intro {
    max-width: 90%;
}
.intro::after {
    width: 80%;
    -webkit-background-size: contain;
    background-size: contain;
    right: 0px;
    bottom: 0px;
}
.intro_midashi {
    font-size: 6vw;
}
.menu_box.color_01 {
    padding-top: 0;
    position: relative;
}
.about {
    margin: 50px 5%;
}
.about_title {
    font-size: 14vw;
}
.about_title img {
    max-width: 30vw;
}
.about_sub {
    white-space: nowrap;
    font-size: 5.5vw;
}
}