@charset "UTF-8";

/* 全体 */
.site-main {
  display: grid;
  place-items: center;  /* 縦横センター */
  /* padding: 2rem;        余白（任意） */
}

 body {
        font-family: sans-serif;
        /* background-color: 
            radial-gradient(2px 2px at 20px 30px, rgba(255,255,255,0.8), transparent),
            radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.6), transparent),
            radial-gradient(1px 1px at 90px 40px, rgba(255,255,255,0.5), transparent),
            radial-gradient(1px 1px at 130px 80px, rgba(255,255,255,0.4), transparent),
            radial-gradient(2px 2px at 160px 30px, rgba(255,255,255,0.6), transparent),
            linear-gradient(135deg, #0a0e27 0%, #1a1a3e 25%, #0f0f23 50%, #1e1e42 75%, #0a0a1f 100%); */
        background-size: 200px 100px, 200px 100px, 200px 100px, 200px 100px, 200px 100px, 100% 100%;
        min-height: 100vh;
        position: relative;
        animation: cosmic-shift 0.5s ease-in-out infinite;
    }

       /* @keyframes cosmic-shift {
        0%, 100% {
            background-position: 0% 0%, 50% 50%, 100% 0%, 0% 100%, 50% 0%, 0% 0%;
        }
        50% {
            background-position: 100% 100%, 0% 100%, 0% 50%, 100% 0%, 0% 100%, 0% 0%;
        }
    } */


/* アニメーション層 */

.animation-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -100;
    align-content: center;
    perspective: 1000px;
    /* transform-style: preserve-3d; */
    padding: 150px 0 0;
    pointer-events: none;
}

 /* パーティクル効果 */
    .cosmic-particle {
        position: absolute;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(255,255,255,0.8) 0%, transparent 70%);
        animation: cosmic-float 1s ease-in-out infinite;
        pointer-events: none;
    }
    
    @keyframes cosmic-float {
        0% {
            transform: translateY(100vh) translateX(-50px) scale(0);
            opacity: 1;
        }
        10% {
            opacity: 1;
        }
        90% {
            opacity: 1;
        }
        100% {
            transform: translateY(-100px) translateX(50px) scale(1);
            opacity: 1;
        }
    }

.dot {
    position: absolute;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 1;
}

 /* 軌跡エフェクト */
    .dot::after {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 200%;
        height: 200%;
        background: radial-gradient(circle, transparent 30%, currentColor 40%, transparent 70%);
        border-radius: 50%;
        transform: translate(-50%, -100%);
        opacity: 0;
        transition: opacity 0.3s ease;
        z-index: -1;
    }
    
    .dot.floating::after {
        opacity: 0.2;
        animation: trail-pulse 5s ease-in-out infinite;
    }
    
    /* @keyframes trail-pulse {
        0%, 100% {
            transform: translate(-50%, -50%) scale(0.8);
            opacity: 0.1;
        }
        50% {
            transform: translate(-50%, -50%) scale(1.5);
            opacity: 0.3;
        }
    } */

.dot.floating {
    animation: float 10s ease-in-out infinite;
    filter: blur(1.4px);
}

.dot.floating-random-small {
    animation: float 10s linear infinite;
    /* transform: scale(0.4); */
    filter: blur(2px);
    opacity: 0.2;
}
.dot.floating-random-medium {
    animation: float-small 10s linear infinite;
    /* transform: scale(2); */
    filter: blur(0.8px);
    opacity: 0.8;
}
.dot.floating-random-large {
    animation: float-large 10s linear infinite;
    /* transform: scale(4); */
    filter: blur(0.4px);
    opacity: 0.6;
}
.dot.floating-random-extra-large {
    animation: float-extra-large 10s linear infinite;
    /* transform: scale(6); */
    filter: blur(0.2px);
    opacity: 0.8;
}

 /* ランダムサイズ効果（常時適用） */
    .dot.size-small {
        transform: scale(0.2) !important;
        filter: blur(1px) !important;
        opacity: 0.8 !important;
    }
    
    .dot.size-medium {
        transform: scale(1.2) !important;
        filter: blur(0.5px) !important;
        opacity: 0.6 !important;
    }
    
    .dot.size-large {
        transform: scale(4) !important;
        filter: blur(1.5px) !important;
        opacity: 0.4 !important;
    }
    
    .dot.size-extra-large {
        transform: scale(6) !important;
        filter: blur(0.3px) !important;
        opacity: 0.2 !important;
    }

    /* 浮遊アニメーション */
    @keyframes float-flow {
        0% {
            transform: translateX(-150px) translateY(0px) translateZ(20px);
        }
        100% {
            transform: translateX(calc(100vw+150px)) translateY(-20px) translateZ(20px);
        }
    }

@keyframes float {
    0% {
        transform: translateY(0) translateX(-100px);
    }
    100% {
        transform: translateY(0) translateX(calc(100vw) + 100px);
    }
}

/* ランダムサイズ効果のfloat版 */

    @keyframes float-small {
        0% {
            transform: scale(0.4) translateY(0) translateX(-120px);
        }  
        100% {
            transform: scale(0.4)  translateY(0) translateX(calc(200vw) + 120px);
        }
    }

    @keyframes float-medium {
        0% {
            transform: scale(2) translateY(0) translateX(-110px);
        }
        100% {
            transform: scale(2)  translateY(0) translateX(calc(200vw) + 110px);
        }
    }

    @keyframes float-large {
        0% {
            transform: scale(4)  translateY(0) translateX(-180px);
        }
        100% {
            transform: scale(4)  translateY(0) translateX(calc(200vw) + 180px);
        }
    }

    @keyframes float-extra-large {
        0% {
            transform: scale(8) translateX(-140px);
        }
        100% {
            transform: scale(8)  translateY(0) translateX(calc(200vw) + 140px);
        }
    }

  /* パルス効果 */
    /* @keyframes cosmic-pulse {
        0%, 100% {
            box-shadow: 
                0 0 20px rgba(255, 140, 0, 0.6),
                0 0 40px rgba(255, 140, 0, 0.3),
                0 0 60px rgba(255, 107, 53, 0.2);
        }
        50% {
            box-shadow: 
                0 0 30px rgba(255, 140, 0, 0.8),
                0 0 60px rgba(255, 140, 0, 0.5),
                0 0 90px rgba(255, 107, 53, 0.3);
        }
    } */

    .dot.orange.floating {
        animation: float 20s ease-in-out infinite, cosmic-pulse 30s linear infinite;
    }
    
    .dot.white.floating {
        animation: float 20s ease-in-out infinite, cosmic-pulse 30s linear infinite;
    }
    
    
.dot.orange {
    background: rgba(255, 102, 0);
     opacity: 0.6;
     filter: blur(0.8px);
    /* box-shadow: 2px #ff6600; */
}

.dot.white{
    background: rgb(122, 122, 122);
     opacity: 0.7;
     filter: blur(0.8px);
    /* box-shadow: 0 0 10px #fff, 0 0 20px #fff, 0 0 30px #fff; */
}

.dot.grey {
    background-color: rgba(255, 102, 0, 0.7);
    opacity: 0.6;
    filter: blur(0.8px);
    transform: scale(0.6);
}

.dot.grey2 {
    background-color: rgba(148, 148, 148, 0.5);
    opacity: 0.6;
    filter: blur(0.8px);
    transform: scale(0.6);   
}

.content-overlay {
        position: relative;
        z-index: 10;
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 100vh;
        color: white;
        text-align: center;
        background: rgba(10, 14, 39, 0.4);
        backdrop-filter: blur(3px) saturate(1.2);
    }

@keyframes fadeInUp2 {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dot.forming {
    animation: pulse 0.4s infinite;
}

/* about PC */
/* アニメーション */

@media screen and (min-width:769px) {
    .animation-container {
        margin: 0 auto;
        width: 70%;
        padding: 0 10%;
        align-content: left;
        max-width: 1600px;
    }   
}


/* フェードインアニメーション */
.text-container {
    padding: 50% 3.6% 50px;
    margin: 0 auto;
   }

.line {
    margin: 0 auto;
    padding: 5px;
    opacity: 0;
    transform: translateX(-50px);
   }

.animated-text {
    font-size: 1.8rem;
    font-weight: 600;
    color: #fff;
    text-align: left;
   } 

.line1 {
    animation: fadeInLeft 1s ease-out 3.0s forwards;
    white-space: nowrap;
   }

.line2 {
    animation: fadeInLeft 1s ease-out 3.5s forwards;
    white-space: nowrap;
   }

@keyframes fadeInLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
   }

/* about PC */
/* フェードインアニメーション */

@media screen and (min-width:769px) {
    .text-container {
        width: 1200px;
        margin-right: auto ;
        padding: 250px 9.6% 50px;
        text-align: left;
    }

    .animated-text {
        font-size: 2.8rem;
    }

    .line {
        margin: 10px 0;
    }
}

/* コンテンツ */

.top {
    padding-top: 10px;
}
.section__contents {
    font-size: 1.8rem;
    text-align: center;
    color: #fff;
    font-weight: 300;
    padding-top: 150px;
    padding-bottom: 50px;
    margin: 0 auto;
}

.contents {
    margin: 30px 6.4%;
}

.contents__item {
    padding: 60px 10.0%;
    display: flex;
    position: relative;
}

.contents__box {
    margin: 60px 0 20px;
    padding: 50px 6.0% 20px;
    background-color: #fff;
    height: 250px;
    width: 45%;
    /* box-shadow: 0 0 15px #fff; */
    z-index: 10;
}

.contents__title {
    text-align: center;
    font-size: 2rem;
    margin: 10px 0 30px;
}

.contents__txt {
    font-size: 1.1rem;
    padding-top: 20px;
    padding-bottom: 20px;
    line-height: 1.6;
}

.contents__img {
    width: 60%;
    max-width: 700px;
    padding-bottom: 30px;
    z-index: 10;
}

.contents__img1 {
    display: none;
}

.contents__img2 {
    width: 60%;
    padding-bottom: 30px;
    max-width: 700px;
}

.home__link {
    padding: 0 20px 20px;
    color: #ff6600;
    font-size: 1.1rem;
    margin: 0 auto;
    text-align: center;
    justify-content: center;
    position: relative;
    z-index: 10;

}

.link__line {
    display: none;
}

/* News */
.news {
    width: 100vw;
    padding: 24px 4.2%;
    background-color: #051320;
}

.section__topic--news {
    color: #FFF;
    text-align: center;
    font-size: 2.4rem;
    font-weight: 700;
    line-height: 1.3;
}

.news__line {
    display: block;
    border-color: #ff6600;
    margin:10px 15%;
}

.news__list {
    padding: 24px 15%;
    background-color: #051320;
    margin-top: 32px;
}

.news__topic {
    color: #fff;
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1;
    margin-top: 24px;
    display: flex;
}

.news__topic:first-of-type {
    margin-top: 0;
}

.news__topic time {
    color: #fff;
    text-align: center;
    font-weight: 400;
    line-height: 1;
    /* background-color: #FFF;
    padding: 4px 16px; */
}

.news__topic span {
    margin-top: 0;
    margin-left: 20px;
}

.news__txt {
    color: #FFF;
    margin-top: 16px;
    line-height: 1.3;
}

.news__link1 {
    color: #ff6600;
}


/* about SP */
/* コンテンツ */

@media screen and (max-width:768px) {
    .section__contents {
        font-size: 1.4rem;
        text-align: center;
        color: #fff;
        font-weight: 300;
        padding-top: 200px;
        padding-bottom: 100px;
    }

    .contents {
        margin: 0 auto;
        align-items: center;
    }

    .contents__item {
        padding: 20px 0;
        flex-direction: column;
        margin: 0 auto;
        width: 100%;
    }

    .contents__item .contents__box {
        margin: 0 auto;
        padding: 20px 0 0;
        background-color: #fff;
        height: 100%;
        width: 90%;
        max-width: 600px;
        /* box-shadow: 0 0 10px #fff; */
    }

    .contents__title {
        font-size: 1.8rem;
    }

    .contents__txt {
        font-size: 1.1rem;
        padding : 0 6.4% 30px;
        line-height: 1.6;
    }

    .contents__item .contents__img {
        width: 90%;
        max-width: 600px;
        padding: 0;
        margin: 0 auto;
    }

    .contents__item .contents__img2 {
        display: none;
    }

    .contents__item .contents__img1 {
        display: block;
        width: 90%;
        max-width: 600px;
        padding: 0;
        margin: 0 auto;
    }

    .home__link {
        padding: 30px 6.4% 20px;
        font-size: 1.1rem;
        /* margin: 0 25% 30px; */
        text-align: center;
        justify-content: center;
    }

    .contents__box {
        margin-bottom: 20px;
    }

    .news__topic {
    font-size: 1.1rem;
    }

    .news__line {
    display: block;
    border-color: #ff6600;
    margin:10px 8%;
}

.news__list {
    padding: 24px 8%;
    background-color: #051320;
    margin-top: 32px;
}
}