@font-face {
    font-family: fz;
    src: url(../font/fz.TTF);
}

.translate-btn a {
    font-family: fz;
    letter-spacing: 0.2em;
    padding: 0 15px;
    border: 0.5px solid black;
    text-align: center;
    background-color: transparent;
    border-radius: 5px;
    font-size: 1.3rem;
    line-height: 1.4;
    position: fixed;
    right: 100px;
    top: 10px;
    cursor: pointer;
    transition: background-color 0.3s;
    z-index: 9999;
}

.translate-btn:hover a {
    background-color: black;
    color: white;
}

html {
    /* touch-action: none; */
    font-family: fz;
}

body {
    font-family: fz;
    margin: 0px;
    padding: 0px;
    width: 100%;
    position: relative;
    background-color: white;
    scroll-behavior: smooth;
}

ul {
    list-style: none;
    margin: 0px;
    padding: 0px;
}

img {
    width: 100%;
    height: auto;
    vertical-align: bottom;
}

.first_word {
    font-weight: 800;
    font-size: 5vh;
    line-height: 1;
}

.main_body_text {
    font-family: fz;
    font-size: 2.5vh;
    max-width: 900px;
    position: relative;
    z-index: 1;
    color: black;
    margin: 0px;
    margin-bottom: 30px;
    line-height: 2.5;
    text-align: justify;
    -webkit-box-ordinal-group: 4;
    -ms-flex-order: 3;
    order: 3;
}

@media screen and (max-width: 768px) {
    .main_body_text {
        max-width: 500px;
        line-height: 2;
        margin: 0px auto;
        margin-bottom: 15px;
        font-size: 2vh;
    }

    .first_word {
        font-weight: 800;
        font-size: 4vh;
        line-height: 1;
    }
}


/* ============================================================================================== */


/* main                                                                                           */


/* ============================================================================================== */

.main {
    visibility: hidden;
    width: 100%;
    overflow: hidden;
    position: relative;
    z-index: 1;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    transition: .6s;
    /* padding-left: 100px;
    padding-right: 100px; */
}

.contents {
    padding: 0 calc(40px + 4vw);
    overflow: hidden;
}

@media screen and (max-width: 768px) {
    .contents {
        padding: 0 8vw;
    }
}


/* ============================================================================================== */


/* page_head                                                                                      */


/* ============================================================================================== */

.page_head {
    width: 100%;
    height: 100vh;
    height: calc(var(--vh, 1vh) * 100);
    padding: calc(40px + 4vw);
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    position: relative;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}

.page_head_title {
    width: 35px;
}
.page_head_title_en {
    font-size: 48px;
}

.page_head_title {
    font-family: "fz";
    letter-spacing: 0.2em;
    font-size: 3.6rem;
    line-height: 1.6;
    -webkit-writing-mode: vertical-rl;
    -ms-writing-mode: tb-rl;
    writing-mode: vertical-rl;
    -webkit-font-feature-settings: normal;
    font-feature-settings: normal;
    position: relative;
    z-index: 1;
    line-height: 1.4;
    color: black;
    letter-spacing: 0.5em;
}

@media screen and (max-width: 768px) {
    .page_head {
        padding: 8vw;
    }

    /* .page_head_title {
        font-size: 2rem;
    } */
}


/* ============================================================================================== */


/* introduction                                                                                   */


/* ============================================================================================== */

.introduction {
    width: 100%;
    height: calc(100vh - 80px);
    height: calc(var(--vh, 1vh) * 100 - 80px);
    min-height: 700px;
    margin-bottom: 150px;
    padding: 0 5vw;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    position: relative;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}

.introduction_img {
    width: 100%;
    height: 100%;
    margin: 0 auto;
    border-radius: 5px;
    overflow: hidden;
    /* background-color: black; */
    position: absolute;
    top: 0;
    left: 0;
    z-index: 0;
    overflow: hidden;
}

.introduction_img img {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    -o-object-fit: cover;
    object-fit: cover;
    /* opacity: 0.5; */
}

.introduction_text {
    /* max-width: 900px;  */
    margin: 0px auto 150px;
}

.intro_sec {
    text-indent: 40px;
    max-width: 600px;
    margin: 0px auto;
}

@media screen and (max-width: 768px) {
    .introduction {
        width: calc(100% + 16vw);
        height: 100vh;
        height: calc(var(--vh, 1vh) * 100);
        min-height: 600px;
        margin-bottom: 100px;
        left: -8vw;
    }

    .introduction_img {
        border-radius: 0;
    }

    .introduction_text {
        max-width: 900px;
        margin: 0px auto 100px;
    }

    .intro_sec {
        text-indent: 25px;
    }
}


/* ============================================================================================== */


/* img-multi                                                                                      */


/* ============================================================================================== */

.image_single {
    margin: 110px auto 0px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    animation-duration: 3s;
}

.image_multi {
    max-width: 650px;
    margin: 110px auto 0px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
}

@media screen and (max-width: 768px) {

    .image_multi,
    .image_single {
        margin: 60px auto 0px;
    }
}

.image_multi img,
.image_single img {
    border-radius: 5px;
}

.image_multi li {
    max-width: calc(50% - 5px);
    -ms-flex-preferred-size: calc(50% - 5px);
    flex-basis: calc(50% - 5px);
    margin: 5px 0;
}

@media screen and (max-width: 768px) {
    .image_multi li {
        max-width: calc(50% - 2px);
        -ms-flex-preferred-size: calc(50% - 2px);
        flex-basis: calc(50% - 2px);
        margin: 2px 0;
    }
}

.image_multi_wide {
    max-width: 100% !important;
    -ms-flex-preferred-size: 100% !important;
    flex-basis: 100% !important;
}


/* ============================================================================================== */


/* separator_line                                                                                 */


/* ============================================================================================== */

.separator_line {
    position: relative;
}

.separator_line:before {
    content: "";
    width: 100%;
    height: 0;
    margin: 180px 0;
    display: block;
    border-top: 0;
    border-top: 1px solid transparent;
    border-image-source: url(../images/common/img_border_bk_1px.png);
    border-image-slice: 2;
    border-image-repeat: repeat;
    border-image-outset: 0px;
    border-image-width: 1px;
    opacity: 0.3;
    -webkit-transition: all 600ms cubic-bezier(0.37, 0, 0.63, 1);
    transition: all 600ms cubic-bezier(0.37, 0, 0.63, 1);
}

@media screen and (max-width: 768px) {
    .separator_line:before {
        margin: 15vw 0;
    }
}


/* ============================================================================================== */


/* footer                                                                           */


/* ============================================================================================== */

#global-footer {
    margin: 0;
    text-align: center;
    width: 100%;
    margin: 150px auto 0;
    padding-top: 100px;
    clear: both;
    font-size: 11px;
    /*color: #777;
    background-color: #111;*/
    /* 方案一  */
    background-color: #e2e1e4;
    background-image:
        radial-gradient(closest-side, rgba(164, 203, 236, 1), rgba(235, 105, 78, 0)),
        radial-gradient(closest-side, rgba(185, 194, 227, 1), rgba(243, 11, 164, 0)),
        radial-gradient(closest-side, rgba(125, 162, 206, 1), rgba(254, 234, 131, 0)),
        radial-gradient(closest-side, rgba(104, 149, 191, 1), rgba(170, 142, 245, 0)),
        radial-gradient(closest-side, rgba(151, 167, 190, 1), rgba(248, 192, 147, 0));

    /* 方案二*/
    /* background-color: #1c1c1d;
    background-image: 
        radial-gradient(closest-side, rgba(52, 108, 156, 1), rgba(235, 105, 78, 0)),
        radial-gradient(closest-side, rgb(48, 60, 68, 1), rgba(243, 11, 164, 0)), 
        radial-gradient(closest-side, rgb(38, 67, 87, 1), rgba(254, 234, 131, 0)), 
        radial-gradient(closest-side, rgba(17, 101, 154, 1), rgba(170, 142, 245, 0)), 
        radial-gradient(closest-side, rgb(12, 17, 39, 1), rgba(248, 192, 147, 0)); */
    background-size:
        130vmax 130vmax,
        80vmax 80vmax,
        90vmax 90vmax,
        110vmax 110vmax,
        90vmax 90vmax;
    background-position:
        -80vmax -80vmax,
        60vmax -30vmax,
        10vmax 10vmax,
        -30vmax -10vmax,
        50vmax 50vmax;
    background-repeat: no-repeat;
    animation: 5s movement linear infinite;
    -webkit-transition: opacity 0.25s ease;
    transition: opacity 0.25s ease;
}

#global-footer .footer-text {
    margin-bottom: 40px;
    font-size: 1em;
    line-height: 1.7em;
    color: #131124;
}

#global-footer .footer_img {
    width: 5%;
    height: 5%;
    padding-bottom: 0;
}

@keyframes movement {

    0%,
    100% {
        background-size:
            130vmax 130vmax,
            80vmax 80vmax,
            90vmax 90vmax,
            110vmax 110vmax,
            90vmax 90vmax;
        background-position:
            -80vmax -80vmax,
            60vmax -30vmax,
            10vmax 10vmax,
            -30vmax -10vmax,
            50vmax 50vmax;
    }

    25% {
        background-size:
            100vmax 100vmax,
            90vmax 90vmax,
            100vmax 100vmax,
            90vmax 90vmax,
            60vmax 60vmax;
        background-position:
            -60vmax -90vmax,
            50vmax -40vmax,
            0vmax -20vmax,
            -40vmax -20vmax,
            40vmax 60vmax;
    }

    50% {
        background-size:
            80vmax 80vmax,
            110vmax 110vmax,
            80vmax 80vmax,
            60vmax 60vmax,
            80vmax 80vmax;
        background-position:
            -50vmax -70vmax,
            40vmax -30vmax,
            10vmax 0vmax,
            20vmax 10vmax,
            30vmax 70vmax;
    }

    75% {
        background-size:
            90vmax 90vmax,
            90vmax 90vmax,
            100vmax 100vmax,
            90vmax 90vmax,
            70vmax 70vmax;
        background-position:
            -50vmax -40vmax,
            50vmax -30vmax,
            20vmax 0vmax,
            -10vmax 10vmax,
            40vmax 60vmax;
    }
}

@media screen and (max-width: 980px) {
    #global-footer {
        margin: 100px auto 0;
        padding-top: 60px;
    }

    #global-footer .footer_img {
        height: 10%;
        width: 10%;
        padding-bottom: 0;
    }
}


/* ============================================================================================== */


/* scrollIndicatorAnimation                                                                      */


/* ============================================================================================== */

@-webkit-keyframes scrollIndicatorAnimation {
    0% {
        -webkit-transform: scaleY(0);
        transform: scaleY(0);
    }

    5% {
        -webkit-transform: scaleY(0);
        transform: scaleY(0);
    }

    45% {
        -webkit-transform: scaleY(1);
        transform: scaleY(1);
    }

    55% {
        -webkit-transform: translateY(0) scaleY(1);
        transform: translateY(0) scaleY(1);
    }

    95% {
        -webkit-transform: translateY(100%) scaleY(1);
        transform: translateY(100%) scaleY(1);
    }

    100% {
        -webkit-transform: translateY(100%) scaleY(1);
        transform: translateY(100%) scaleY(1);
    }
}

@keyframes scrollIndicatorAnimation {
    0% {
        -webkit-transform: scaleY(0);
        transform: scaleY(0);
    }

    5% {
        -webkit-transform: scaleY(0);
        transform: scaleY(0);
    }

    45% {
        -webkit-transform: scaleY(1);
        transform: scaleY(1);
    }

    55% {
        -webkit-transform: translateY(0) scaleY(1);
        transform: translateY(0) scaleY(1);
    }

    95% {
        -webkit-transform: translateY(100%) scaleY(1);
        transform: translateY(100%) scaleY(1);
    }

    100% {
        -webkit-transform: translateY(100%) scaleY(1);
        transform: translateY(100%) scaleY(1);
    }
}

.scrollIndicator {
    width: 1px;
    height: 80px;
    background-color: rgba(255, 255, 255, 0.5);
    overflow: hidden;
    position: absolute;
    left: 50%;
    top: calc(var(--vh, 1vh) * 100 - 40px);
    z-index: 5;
    color: #fff;
    mix-blend-mode: exclusion;
    opacity: 1;
    -webkit-transition: opacity 600ms cubic-bezier(0.65, 0, 0.35, 1);
    transition: opacity 600ms cubic-bezier(0.65, 0, 0.35, 1);
}

.scrollIndicator:before {
    content: "";
    width: 100%;
    height: 100%;
    background-color: black;
    position: absolute;
    top: 0;
    left: 0;
    -webkit-transform-origin: top;
    transform-origin: top;
    -webkit-animation: scrollIndicatorAnimation 3s infinite cubic-bezier(0.83, 0, 0.17, 1);
    animation: scrollIndicatorAnimation 3s infinite cubic-bezier(0.83, 0, 0.17, 1);
}

.pageCompleted .scrollIndicator {
    opacity: 1;
}

#loader {
    width: 100%;
    height: 1px;
    overflow: hidden;
    position: fixed;
    top: 50%;
    left: 0;
    z-index: 5;
    color: #fff;
    opacity: 0;
    -webkit-transition: opacity 1s cubic-bezier(0.37, 0, 0.63, 1);
    transition: opacity 1s cubic-bezier(0.37, 0, 0.63, 1);
}

#loader div {
    width: 100%;
    height: 1px;
    background-color: black;
    position: absolute;
    top: 0;
    left: 0;
    -webkit-transform-origin: left;
    transform-origin: left;
    -webkit-transition: all 1s cubic-bezier(0.37, 0, 0.63, 1);
    transition: all 1s cubic-bezier(0.37, 0, 0.63, 1);
    animation-duration: 2s;
}

.pageLoading #loader {
    opacity: 1;
}

.pageCompleted #loader {
    opacity: 0;
}