* {
    margin: 0;
    padding: 0;
    -ms-overflow-style: none;
    /* IE, Edge 対応 */
    scrollbar-width: none;
    cursor: default;
}

::-webkit-scrollbar {
    display: none;
}

@font-face {
    font-family: 'Topic';
    src: url(./ChunkFive-Regular.otf);
}

@font-face {
    font-family: 'normal';
    src: url(./orbitron-medium.otf);
}

@font-face {
    font-family: 'mincho';
    src: url(./SoukouMincho.ttf);
}

body {
    background: linear-gradient(45deg, rgb(250, 250, 250) 25%, transparent 25%, transparent 75%, rgb(250, 250, 250) 75%), linear-gradient(45deg, rgb(250, 250, 250) 25%, transparent 25%, transparent 75%, rgb(250, 250, 250) 75%);
    background-color: rgb(236, 236, 236);
    background-size: 10vw 10vw;
    background-position: 0 0, 5vw 5vw;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    transition: all 0.3s;
    letter-spacing: 0.15em;
}

.normal-string {
    display: block;
    font-family: 'mincho';
    text-align: right;
    width: 50%;
    height: 45vh;
    overflow-y: scroll;
    overflow-x: hidden;
    position: fixed;
    z-index: 30;
    line-height: 2em;
    top: 100px;
    right: 5%;
    color: white;
}

h1 {
    font-family: 'Topic';
    font-weight: normal;
}

.back-black {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgb(0, 0, 0, 0.7);
    z-index: 3;
}

video {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    margin: auto;
    z-index: 2;
    overflow: hidden;
}

.menubar {
    position: fixed;
    top: 0;
    left: 0;
    height: 75px;
    width: 100%;
    z-index: 48;
    box-sizing: content-box;
    display: flex;
    background-color: #002151;
    text-align: right;
}

.menubar .goto-next {
    font-family: 'normal';
    height: 30px;
    display: block;
    position: absolute;
    z-index: 49;
    top: 0;
    right: 0;
    padding-top: 20px;
    padding-right: 60px;
    justify-content: right;
}

.menubar .goto-next-en {
    font-family: 'normal';
    height: 30px;
    display: block;
    position: absolute;
    z-index: 49;
    top: 0;
    left: 0;
    padding-top: 29px;
    padding-left: 30px;
    justify-content: left;
}

.menubar .goto-next a {
    display: block;
    text-decoration: none;
    color: white;
    font-weight: bold;
    font-size: 30px;
    position: relative;
    text-align: right;
    z-index: 100;
}

.menubar .goto-next-en a {
    display: block;
    text-decoration: none;
    color: white;
    font-weight: bold;
    font-size: medium;
    position: relative;
    text-align: left;
    z-index: 100;
}

.menubar .goto-next-en a:hover::after {
    display: inline-block;
    content: "→EN";
    position: relative;
}

.menubar .goto-next a:hover {
    animation-name: bound;
    animation-delay: 0s;
    animation-duration: 1.5s;
    animation-fill-mode: backwards;
    animation-iteration-count: infinite;
}

.menubar .goto-next a:hover::after {
    display: inline-block;
    content: "";
    width: 17px;
    height: 17px;
    border-width: 4px 4px 0 0;
    transform: rotate(45deg);
    border-color: white;
    border-style: solid;
    position: relative;
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -o-transform: rotate(45deg);
}

.triangle1 {
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 50vh 0 0 55vw;
    border-color: transparent transparent transparent #4ce0c7;
    position: fixed;
    z-index: 46;
    left: 0;
    bottom: 0;
    opacity: 100%;
    animation-name: triangle-fade;
    animation-fill-mode: forwards;
    animation-delay: 3.2s;
    animation-duration: 0.7s;
}

.triangle2 {
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 0 25vh 100vw;
    border-color: transparent transparent #be4ff5 transparent;
    position: fixed;
    z-index: 47;
    bottom: 0;
    right: 0;
    opacity: 100%;
    animation-name: zto30;
    animation-fill-mode: forwards;
    animation-delay: 4.9s;
    animation-duration: 0.1s;
}

.obj1, .obj2, .obj3, .obj4, .obj5, .obj6 {
    width: 2vw;
    height: 2vw;
    display: block;
    border-style: solid;
    border-width: 2px;
    border-color: aqua;
    top: 75vh;
    left: 45vw;
    position: fixed;
    z-index: 31;
    transform: rotate(0);
    animation-name: obj-rotate;
    animation-fill-mode: forwards;
    animation-duration: 3s;
    animation-delay: 1s;
    animation-iteration-count: infinite;
    -webkit-transform: rotate(0);
    -moz-transform: rotate(0);
    -ms-transform: rotate(0);
    -o-transform: rotate(0);
}

.obj2 {
    top: 39vh;
    left: 24vw;
    width: 1vw;
    height: 1vw;
    animation-delay: 2.3s;
    animation-duration: 2.3s;
}

.obj3 {
    top: 17vh;
    left: 45vw;
    width: 1.9vw;
    height: 1.9vw;
    animation-delay: 5s;
    animation-duration: 3s;
}

.obj4 {
    top: 68vh;
    left: 75vw;
    width: 2.3vw;
    height: 2.3vw;
    animation-delay: 4s;
    animation-duration: 2s;
}

.obj5 {
    top: 32vh;
    left: 80vw;
    width: 1.4vw;
    height: 1.4vw;
    animation-delay: 7s;
    animation-duration: 3s;
}

.obj6 {
    top: 15vh;
    left: 5vw;
    width: 1vw;
    height: 1vw;
    animation-delay: 1s;
    animation-duration: 4s;
}

.obj1:hover, .obj2:hover, .obj3:hover, .obj4:hover, .obj5:hover, .obj6:hover {
    animation: obj-rotate 3s linear infinite alternate, haretsu 3s linear infinite alternate;
}

.first-fade-back {
    width: 100%;
    height: 100%;
    position: fixed;
    z-index: 35;
    top: 0;
    left: 0;
    background-color: #00242b;
    animation-name: fadeup-back1;
    animation-delay: 0s;
    animation-duration: 3.9s;
    animation-fill-mode: forwards;
    opacity: 1;
}

.fade-in-out-1, .fade-in-out-2 {
    font-family: 'mincho';
    vertical-align: 50vh;
    position: fixed;
    top: 30vh;
    right: 10%;
    z-index: 36;
    opacity: 0;
    font-size: 8vw;
    color: white;
    animation-name: fadeup1;
    animation-duration: 2s;
    animation-delay: .5s;
    animation-iteration-count: 1;
    animation-fill-mode: forwards;
}

.fade-in-out-2 {
    animation-delay: 2s;
}

.wf-sawarabimincho {
    font-family: "Sawarabi Mincho";
}

@keyframes haretsu {
    0% {
        opacity: 1;
        visibility: visible;
    }
    12% {
        opacity: 0;
        transform: scale(5);
        -webkit-transform: scale(5);
        -moz-transform: scale(5);
        -ms-transform: scale(5);
        -o-transform: scale(5);
}
    100% {
        opacity: 0;
    }
}

@keyframes triangle-fade {
    0% {
        border-width: 50vh 0 0 55vw;
    }
    50% {
        border-width: 225vh 0 0 247.5vw;
    }
    99% {
        z-index: 46;
    }
    100% {
        z-index: 20;
        border-width: 50vh 0 0 55vw;
    }
}

@keyframes zto30 {
    0% {
        z-index: 47;
    }
    100% {
        z-index: 21;
    }
}

@keyframes obj-rotate {
    0% {
        transform: rotate(0);
        -webkit-transform: rotate(0);
        -moz-transform: rotate(0);
        -ms-transform: rotate(0);
        -o-transform: rotate(0);
}
    3% {
        transform: rotate(90deg);
        -webkit-transform: rotate(90deg);
        -moz-transform: rotate(90deg);
        -ms-transform: rotate(90deg);
        -o-transform: rotate(90deg);
}
    10% {
        transform: rotate(90deg);
        -webkit-transform: rotate(90deg);
        -moz-transform: rotate(90deg);
        -ms-transform: rotate(90deg);
        -o-transform: rotate(90deg);
}
    13% {
        transform: rotate(180deg);
        -webkit-transform: rotate(180deg);
        -moz-transform: rotate(180deg);
        -ms-transform: rotate(180deg);
        -o-transform: rotate(180deg);
}
    20% {
        transform: rotate(180deg);
        -webkit-transform: rotate(180deg);
        -moz-transform: rotate(180deg);
        -ms-transform: rotate(180deg);
        -o-transform: rotate(180deg);
}
    23% {
        transform: rotate(270deg);
        -webkit-transform: rotate(270deg);
        -moz-transform: rotate(270deg);
        -ms-transform: rotate(270deg);
        -o-transform: rotate(270deg);
}
    30% {
        transform: rotate(270deg);
        -webkit-transform: rotate(270deg);
        -moz-transform: rotate(270deg);
        -ms-transform: rotate(270deg);
        -o-transform: rotate(270deg);
}
    33% {
        transform: rotate(360deg);
        -webkit-transform: rotate(360deg);
        -moz-transform: rotate(360deg);
        -ms-transform: rotate(360deg);
        -o-transform: rotate(360deg);
}
    40% {
        transform: rotate(360deg);
        -webkit-transform: rotate(360deg);
        -moz-transform: rotate(360deg);
        -ms-transform: rotate(360deg);
        -o-transform: rotate(360deg);
}
    100% {
        transform: rotate(360deg);
        -webkit-transform: rotate(360deg);
        -moz-transform: rotate(360deg);
        -ms-transform: rotate(360deg);
        -o-transform: rotate(360deg);
}
}

@keyframes fadeup1 {
    0% {
        transform: translateX(100px);
        opacity: 0;
        -webkit-transform: translateX(100px);
        -moz-transform: translateX(100px);
        -ms-transform: translateX(100px);
        -o-transform: translateX(100px);
}
    50% {
        transform: translateX(0);
        opacity: 100%;
        -webkit-transform: translateX(0);
        -moz-transform: translateX(0);
        -ms-transform: translateX(0);
        -o-transform: translateX(0);
}
    75% {
        opacity: 0;
    }
    100% {
        transform: translateX(-100vw);
        opacity: 0;
        visibility: hidden;
        -webkit-transform: translateX(-100vw);
        -moz-transform: translateX(-100vw);
        -ms-transform: translateX(-100vw);
        -o-transform: translateX(-100vw);
}
}

@keyframes fadeup-back1 {
    0% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    99% {
        z-index: 36;
    }
    100% {
        opacity: 0;
        display: none;
        visibility: hidden;
    }
}

@keyframes bound {
    0% {
        transform: translateX(0);
        -webkit-transform: translateX(0);
        -moz-transform: translateX(0);
        -ms-transform: translateX(0);
        -o-transform: translateX(0);
}
    12% {
        transform: translateX(-20px);
        -webkit-transform: translateX(-20px);
        -moz-transform: translateX(-20px);
        -ms-transform: translateX(-20px);
        -o-transform: translateX(-20px);
}
    25% {
        transform: translateX(0);
        -webkit-transform: translateX(0);
        -moz-transform: translateX(0);
        -ms-transform: translateX(0);
        -o-transform: translateX(0);
}
    33% {
        transform: translateX(-10px);
        -webkit-transform: translateX(-10px);
        -moz-transform: translateX(-10px);
        -ms-transform: translateX(-10px);
        -o-transform: translateX(-10px);
}
    37% {
        transform: translateX(0);
        -webkit-transform: translateX(0);
        -moz-transform: translateX(0);
        -ms-transform: translateX(0);
        -o-transform: translateX(0);
}
    43% {
        transform: translateX(-5px);
        -webkit-transform: translateX(-5px);
        -moz-transform: translateX(-5px);
        -ms-transform: translateX(-5px);
        -o-transform: translateX(-5px);
}
    50% {
        transform: translateX(0);
        -webkit-transform: translateX(0);
        -moz-transform: translateX(0);
        -ms-transform: translateX(0);
        -o-transform: translateX(0);
}
}

@media screen and (max-width: 1000px) {
    .obj1 {
        width: 4vw;
        height: 4vw;
    }
    .obj2 {
        width: 2vw;
        height: 2vw;
    }
    .obj3 {
        width: 3.8vw;
        height: 3.8vw;
    }
    .obj4 {
        width: 4.6vw;
        height: 4.6vw;
    }
    .obj5 {
        width: 2.8vw;
        height: 2.8vw;
    }
    .obj6 {
        width: 2vw;
        height: 2vw;
    }
}