@charset "UTF-8";

body{
    background:linear-gradient(#000000,#001122);
    color: azure;
}

/* カーテン用 */
.leftCurtainbg, .rightCurtainbg {
    display: block;
    content: "";
    position:fixed;
    z-index: 999;
    width: 100%;
    height: 100vh;
    top: 0;
    background-color: #000000;
    animation-duration:1.2s;
    animation-timing-function:ease-in-out;
    animation-fill-mode:forwards;
}

.leftCurtainbg {
    right: 50%;
    transform: scaleX(0);
    animation-name:curtainAnimeLeft;
}

.rightCurtainbg {
    left: 50%;
    transform: scaleX(1);
    animation-name:curtainAnimeRight;
}

@keyframes curtainAnimeLeft {
	0% {
		transform-origin:right;
		transform:scaleX(1);
	}
	50% {
		transform-origin:left;
	}
	100% {
		transform-origin:left;
		transform:scaleX(0);
	}
}

@keyframes curtainAnimeRight {
	0% {
		transform-origin:left;
		transform:scaleX(1);
	}
	50% {
		transform-origin:right;
	}
	100% {
		transform-origin:right;
		transform:scaleX(0);
	}
}

main{
    position: relative;
    width: 100%;
    height: 100vh;
    margin: 0;
}

.bg_base{
    position: fixed;
    top: 0;
    z-index: -10000;
    width: 100%;
    height: 100vh;
}

.glass_filter{
    position: fixed;
    background: linear-gradient(90deg,rgba(112, 162, 255, 0.171), rgba(0,0,0,0), rgba(112, 162, 255, 0.137));
    width: 100%;
    height: 100vh;
}

.field_bubbles{
    width: 100%;
}

.model_base{
    width: 100%;
    margin: auto;
    overflow: hidden;
    text-align: center;
    position: relative;
}

.unit_drone{
    background: url("../img/Drone_unit.png") no-repeat no-repeat center center;
    position: fixed;
    z-index: -10;
    bottom: -30px;
    width: 100%;
    height: 100vh;
    max-width: 1080px;
    animation-name: droneAnime;
    animation-duration: 2.5s;
    animation-iteration-count:infinite;
    animation-timing-function:ease-in-out;
    animation-direction: alternate;
    transform: translate(0%, 0%);
    background-size: cover;
    overflow: hidden;
}

.model_base:after{
    position: fixed;
    content: "";
    left: 0;
    top: 0;
    background: linear-gradient(180deg,#000,#002739,rgba(0, 195, 255, 0.5));
    width: 100%;
    max-width: 1080px;
    height: 100vh;
    mix-blend-mode: soft-light;
}

.unit_drone:after{
    position: fixed;
    content: "";
    left: 0;
    top: 0;
    width: 100%;
    height: 100vh;
    mix-blend-mode: soft-light;
}

@keyframes droneAnime{
	0% {
        bottom: -30px;
	}
	100% {
        bottom: 0;
	}
}

/* 泡アニメーション */

.move {
    animation: move 5s cubic-bezier(0.47, 0, 0.745, 0.715) 0s infinite normal;
    -webkit-animation: move 5s cubic-bezier(0.47, 0, 0.745, 0.715) 0s infinite normal;
    position: fixed;
    bottom: -10%;
    left: 50%;
}

@keyframes move {
    0% { transform: translateY(0px); }
    100% { transform: translateY(-1000px); opacity: 0; bottom: 100%; }
}
@-webkit-keyframes move {
    0% { -webkit-transform: translateY(0px); }
    100% { -webkit-transform: translateY(-1000px); opacity: 0; }
}

.item {
    display: block;
    width: 40px;
    height: 40px;
    border-radius: 100%;
    box-shadow: 0px 0px 15px 0px rgba(158, 236, 255, 0.6) inset;
    -webkit-box-shadow: 0px 0px 15px 0px rgba(166, 255, 251, 0.6) inset;
    position: relative;
}
.item:after {
    content: "";
    display: block;
    width: 20%;
    height: 20%;
    border-radius: 100%;
    background: rgba(255, 255, 255, 0.8);
    position: absolute;
    right: 15%;
    top: 15%;
    filter: blur(2px);
    -webkit-filter: blur(2px);
    transform: rotateZ(45deg) scaleY(0.8);
    -webkit-transform: rotateZ(45deg) scaleY(0.8);
}

.shake {
    animation: shake 2s ease 0s infinite normal;
    -webkit-animation: shake 2s ease 0s infinite normal;
}

@keyframes shake {
    0% { transform: translateX(10px); }
    50% { transform: translateX(-10px); }
    100% { transform: translateX(10px); }
}
@-webkit-keyframes shake {
    0% { -webkit-transform: translateX(10px); }
    50% { -webkit-transform: translateX(-10px); }
    100% { -webkit-transform: translateX(10px); }
}

main .bg_fillter{
  position: fixed;
  left: 0;
  z-index: 11;
  width: 100%;
  height: 100vh;
  margin: auto;
  display: block;
}

main .title-area{
    width: 100%;
    height:300px;
    background: #1e252c;
}

main .content-area{
    position: relative;flex-wrap: wrap;
    flex: 4;
    display: flex;
    justify-content: space-around;
    align-items: center;
    max-width: 1480px;margin: auto;
}

main .content-area article{
    width: 300px;
    height: 200px;
    background: wheat;
    margin:50px 20px;
    animation: all 10s;
}

main .content-area article:hover{
    box-shadow: 0px 0px 10px 10px white;
    animation: all 10s;
    cursor: pointer;
}

main .contents{
    position: relative;
    height: 100vh;
}

main .top_h1{
    position: relative;
    z-index: 1000;
    font-family: "Libre Barcode 39 Text", system-ui;
    font-weight: 400;
    text-align: center;
    margin: 0;
    padding-top: 90px;
    font-size: 60px;
    background: none;
}

.link_flex{
    position: absolute;
    bottom: 20px;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    text-align: center;
}

.link_flex .contents_flex{
    width: 80%;
    font-family: "Audiowide", sans-serif;
    padding-top: 10px;
    padding-bottom: 10px;
    margin-top: 10px;
    margin-bottom: 10px;
    text-decoration: none;
    color: aliceblue;
    border: double aliceblue;
    border-radius: 10px;
    font-size: 24px;
    animation: ease .3s;
}

.link_flex .contents_flex:hover{
    background: rgba(255, 255, 255, 0.5);
}


/* ここからタブレット --------------------- */
@media screen and (max-width:928px) {

    .link_flex{
        left: 0;
        right: 0;
    }
    
}

/* ここからPC --------------------- */
@media screen and (min-width:1080px) {

    .model_base{
        max-width: 1080px;
        height: 100vh;
        border-left: 10px solid #aaa;
        border-right: 10px solid #aaa;
    }

    .model_base:after{
        left: 50%;
        /* right: 50%; */
        max-width: 1080px;
        margin: auto;
        transform: translate(-50%,0%)
    }

    .unit_drone{
        left: 50%;
        right: 50%;
        transform: translate(-50%, 0%);
    }
}