@charset "UTF-8";

/* main visual and catch copy */
#mainvisual_section {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
}

#mainvisual_section>div {
    position: absolute;
    width: 100%;
    height: 100%;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    animation-iteration-count: infinite;
    animation-duration: 20s;
    animation-name: crossFade;
}

#mainvisual_section>div:nth-child(1) {
    background-image: url("/common/img/main/4.jpg");
}

#mainvisual_section>div:nth-child(2) {
    background-image: url("/common/img/main/2.jpg");
    animation-delay: 5s;
    opacity: 0;
}

#mainvisual_section>div:nth-child(3) {
    background-image: url("/common/img/main/3.jpg");
    animation-delay: 10s;
    opacity: 0;
}

#mainvisual_section>div:nth-child(4) {
    background-image: url("/common/img/main/5.jpg");
    animation-delay: 15s;
    opacity: 0;
}

@keyframes crossFade {
    0% {
        opacity: 0;
    }

    7% {
        opacity: 1;
    }

    25% {
        opacity: 1;
    }

    32% {
        opacity: 0;
    }

    100% {
        opacity: 0;
    }
}

#copy_section {
    position: relative;
}

#catchcopy_section {
    position: relative;
    height: 100vh;
    min-height: 500px;
}

#catchcopy_section>h1 {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: 11em;
    height: 8.75rem;
    margin: auto;
    padding-left: 5rem;
    color: #fff;
    font-size: 4.5rem;
    font-weight: bold;
    letter-spacing: -1px;
    text-shadow: 1px 1px #666;
    opacity: 0;
    animation: fadeIn 2s ease 1s 1 normal forwards;
}

/* scroll down */
#scroll_down {
    position: absolute;
    right: 0;
    bottom: 20px;
    left: 0;
    margin: auto;
    color: #fff;
    font-weight: bold;
    width: 100px;
    margin: 0 auto;
    text-align: center;
    letter-spacing: 2px;
    opacity: 0;
    animation: fadeIn 2s ease 1s 1 normal forwards;
}

#scroll_down>div {
    width: 3px;
    height: 80px;
    margin: 30px auto 0;
    position: relative;
    overflow: hidden;
}

#scroll_down>div::before {
    content: '';
    width: 3px;
    height: 80px;
    margin: 50px auto 0;
    background-color: #fff;
    position: absolute;
    top: -150px;
    left: 0;
    animation: scroll-down-arrow 2.5s ease 2.5s infinite normal;
}

@keyframes scroll-down-arrow {
    0% {
        -webkit-transform: translate3d(-50%, 0, 0);
        transform: translate3d(-50%, 0, 0);
    }

    60% {
        -webkit-transform: translate3d(-50%, 100px, 0);
        transform: translate3d(-50%, 100px, 0);
    }

    100% {
        -webkit-transform: translate3d(-50%, 100px, 0);
        transform: translate3d(-50%, 100px, 0);
    }
}

/* body copy */
#bodycopy_section {
    width: 40rem;
    margin: 10px auto 6.25rem;
    padding: 1.875rem 4rem;
    background-color: rgba(73, 161, 183, 0.8);
    color: #fff;
    font-size: 1.25rem;
    border-radius: 15px;
}

#bodycopy_section>p {
    min-width: 280px;
    line-height: 2.3rem;
    margin-bottom: 2rem;
}

#bodycopy_section>h1 {
    text-align: center;
    margin-top: 3.125rem;
    font-size: 1.875rem;
}

#bodycopy_section>h1+p {
    text-align: center;
    margin-bottom: 1rem;
}

/* contents */
#top_contents_section {
    position: relative;
    background-color: #fff;
    padding-bottom: 1.875rem;
}

/* intro */
#intro_section {
    padding: 6.25rem;
}

#intro_section>h1 {
    font-size: 2.5rem;
    line-height: 4rem;
    font-weight: bold;
    text-align: center;
    margin-bottom: 5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

#intro_section>p {
    font-size: 1.125rem;
    font-weight: bold;
    line-height: 2.5rem;
    margin: 1.875rem auto;
    width: 37.5rem;
}

/* offerbox */
#offerbox_section {
    margin: 0 auto 6.25rem;
    padding: 1rem 2rem;
    background: #f3f1f1;
    width: 40rem;
}

#offerbox_section p {
    line-height: 1.75rem;
    margin-bottom: 1rem;
}

#offerbox_section>div.artwork>a>img {
    width: 300px;
}

#offerbox_section a {
    text-decoration: none;
    color: rgb(15, 86, 141);
}

#offerbox_section a:hover {
    opacity: 0.7;
}

#offerbox_section>.award {
    text-align: center;
}

#offerbox_section>.award img {
    width: 700px;
}

/* ikugyo */
#ikugyo_section {
    margin: 0 auto 6.25rem;
    padding: 1rem 2rem;
    background: #f3f1f1;
    width: 40rem;
}

#ikugyo_section p {
    line-height: 1.75rem;
    margin-bottom: 1rem;
}

#ikugyo_section a {
    text-decoration: none;
    color: rgb(15, 86, 141);
}

#ikugyo_section a:hover {
    opacity: 0.7;
}

#ikugyo_section>.award {
    text-align: center;
}

#ikugyo_section>.award img {
    width: 700px;
}

/* contents menu */
#contents_menu_section>div {
    margin-bottom: 3.125rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 0px 10px rgba(0, 0, 0, 0.25);
}

#contents_menu_section>div:after {
    position: absolute;
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    top: 0;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -ms-background-size: cover;
    background-size: cover;
    -webkit-transition: all .3s ease-out;
    -moz-transition: all .3s ease-out;
    -ms-transition: all .3s ease-out;
    transition: all .3s ease-out;
}

#contents_menu_section>div:hover:after {
    opacity: 0.7;
    -moz-transform: scale(1.05);
    -webkit-transform: scale(1.05);
    -ms-transform: scale(1.05);
    transform: scale(1.05);
}

#contents_menu_section>div>a {
    width: 100%;
    height: 30vw;
    min-height: 25rem;
    max-height: 27rem;
    cursor: pointer;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: left;
    z-index: 1;
    text-decoration: none;
}

#contents_menu_section>div>a>div {
    box-sizing: border-box;
    background: linear-gradient(150deg, rgb(13, 106, 183, 50%), rgb(42, 42, 112, 100%));
    color: #fff;
    width: 25%;
    min-width: 22rem;
    max-width: 25rem;
    height: 100%;
    padding: 4.375rem 3.125rem;
    position: relative;
}

#contents_menu_section>div:nth-child(even)>a>div {
    margin-left: auto;
}

#contents_menu_section>div>a>div>h1 {
    font-size: 1.75rem;
}

#contents_menu_section>div>a>div>p {
    font-size: 1.125rem;
    line-height: 2rem;
}

#contents_menu_section>div>a>div>div {
    background-color: #fff;
    color: rgb(42, 42, 112);
    width: 13rem;
    line-height: 3.125rem;
    text-align: center;
    border-radius: 10px;
    position: absolute;
    bottom: 15%;
    left: 0;
    right: 0;
    margin: auto;
    transition: 0.3s;
}

#contents_menu_section>div:hover>a>div>div {
    background-color: rgb(13, 106, 183);
    color: #fff;
}

#menu_people:after {
    background-image: url("/common/img/menu/people.jpg");
    background-position: center;
}

#menu_statistics:after {
    background-image: url("/common/img/menu/statistics.jpg");
    background-position: center;
}

#menu_company:after {
    background-image: url("/common/img/menu/company.jpg");
    background-position: center;
}

#menu_education:after {
    background-image: url("/common/img/menu/education.jpg");
    background-position: center;
}

#menu_recruit:after {
    background-image: url("/common/img/menu/recruit.jpg");
    background-position: center;
}

/* footer */
#map {
    display: none;
}