/* Splash Screen Styles */
.splash-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.splash-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.splash-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.splash-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    animation: splashLogoFadeIn 1s ease-out;
}

.splash-logo-icon {
    width: 120px;
    height: 120px;
    object-fit: contain;
    animation: splashLogoScale 1.2s ease-out;
}

.splash-logo-text {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 24px;
    letter-spacing: 8px;
    color: #333333;
    animation: splashTextFadeIn 1s ease-out 0.3s both;
}

.splash-loader {
    width: 200px;
    height: 2px;
    background-color: rgba(51, 51, 51, 0.1);
    position: relative;
    overflow: hidden;
    animation: splashLoaderFadeIn 0.8s ease-out 0.5s both;
}

.loader-line {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #333333 0%, #666666 50%, #333333 100%);
    animation: loaderProgress 2s ease-in-out infinite;
}

@keyframes splashLogoFadeIn {
    0% {
        opacity: 0;
        transform: translateY(-20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes splashLogoScale {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes splashTextFadeIn {
    0% {
        opacity: 0;
        letter-spacing: 12px;
    }
    100% {
        opacity: 1;
        letter-spacing: 8px;
    }
}

@keyframes splashLoaderFadeIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

@keyframes loaderProgress {
    0% {
        width: 0%;
        left: 0%;
    }
    50% {
        width: 70%;
        left: 0%;
    }
    100% {
        width: 100%;
        left: 100%;
    }
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: #fff;
    color: #333333;
    overflow-x: hidden !important;
}

/* スクロールバーを非表示にする（Webkit系ブラウザ） */
body::-webkit-scrollbar {
    display: none;
}

/* スクロールバーを非表示にする（Firefox） */
body {
    scrollbar-width: none;
    -ms-overflow-style: none;
}

/* 全要素のスクロールバーを非表示 */
* {
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

*::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.container {
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.container.loaded {
    opacity: 1;
    visibility: visible;
}

/* Header Styles */
.header {
    width: 100%;
    height: 100px;
    position: relative;
}

/* Logo Link */
.logo-link {
    text-decoration: none;
    display: block;
}

.logo-link:hover {
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.header-content {
    position: fixed;
    left: 66px;
    top: 0;
    width: calc(100% - 132px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10000;
    padding: 0;
}

.logo-section {
    display: flex;
    flex-direction: column;
    gap: 15.957px;
    align-items: flex-start;
}

.logo-container {
    height: 99.638px;
    width: 100.043px;
    position: relative;
}

.logo-icon {
    position: absolute;
    left: 28.09px;
    top: 18.51px;
    width: 61.316px;
    height: 59.043px;
    object-fit: contain;
}
.logo-icon img {
    width: 100%;
    height: 100%;
}
.logo-text {
    position: absolute;
    bottom: 5.71px;
    left: 27.81px;
    right: 15.48px;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 10px;
    line-height: normal;
    color: #333333;
    text-align: center;
    letter-spacing: 4.273px;
}

.menu-section {
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: flex-start;
    padding: 0;
    width: 33px;
    margin-top: -10px;
    cursor: pointer;
    z-index: 1000;
    position: relative;
}

.menu-text {
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    font-size: 11px;
    line-height: normal;
    color: #333333;
    letter-spacing: 1.82px;
    width: 100%;
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
}

.hamburger-line {
    width: 100%;
    height: 3px;
    background-color: #333333;
    transition: all 0.3s ease;
}

.hamburger.active .hamburger-line:first-child {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .hamburger-line:last-child {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Main Content Styles - PC Design */
.main {
    width: 100%;
    position: relative;
    flex: 1;
}
/* Index Page Background */
body.index-page {
    background: url('../../assets/images/back_ground.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

/* Index Page Logo Icon - White Color */
body.index-page .logo-icon {
    filter: brightness(0) invert(1);
}

/* Index Page Logo Text - White Color */
body.index-page .logo-text {
    color: #fff;
}

/* Index Page Hamburger Line - White Color */
body.index-page .hamburger-line {
    background-color: #fff;
}

/* Index Page Menu Overlay Active - Dark Color */
body.index-page .menu-overlay.active ~ .container .logo-container {
    color: #333;
}

body.index-page .menu-overlay.active ~ .container .logo-icon {
    filter: brightness(0) saturate(100%);
}

body.index-page .menu-overlay.active ~ .container .logo-text {
    color: #333;
}

body.index-page .menu-overlay.active ~ .container .hamburger-line {
    background-color: #333;
}

/* Index Page Header Active - Dark Color */
body.index-page .header.active .logo-container {
    color: #333;
}

body.index-page .header.active .logo-icon {
    filter: brightness(0) saturate(100%);
}

body.index-page .header.active .logo-text {
    color: #333;
}

body.index-page .header.active .hamburger-line {
    background-color: #333;
}

/* Index Page Footer - White Color */
body.index-page .footer {
    color: #fff;
}

body.index-page .footer .copyright {
    color: #fff;
}

/* Index Page Glitch Effect - Single Color */
body.index-page .group14 .glitch-container:hover .glitch-layer-1,
body.index-page .group14 .glitch-container:hover .glitch-layer-2,
body.index-page .group14 .glitch-container:hover .glitch-layer-3,
body.index-page .group14 .glitch-container:hover .glitch-layer-4,
body.index-page .group14 .glitch-container:hover .glitch-layer-5,
body.index-page .group14 .glitch-container:hover .glitch-layer-6,
body.index-page .group14 .glitch-container:hover .glitch-layer-7,
body.index-page .group14 .glitch-container:hover .glitch-layer-8,
body.index-page .group15 .glitch-container:hover .glitch-layer-1,
body.index-page .group15 .glitch-container:hover .glitch-layer-2,
body.index-page .group15 .glitch-container:hover .glitch-layer-3,
body.index-page .group15 .glitch-container:hover .glitch-layer-4,
body.index-page .group15 .glitch-container:hover .glitch-layer-5,
body.index-page .group15 .glitch-container:hover .glitch-layer-6,
body.index-page .group15 .glitch-container:hover .glitch-layer-7,
body.index-page .group15 .glitch-container:hover .glitch-layer-8 {
    filter: brightness(1.1) contrast(1.1) hue-rotate(0deg);
}

body.index-page .group14 .glitch-layer-2,
body.index-page .group14 .glitch-layer-3,
body.index-page .group14 .glitch-layer-4,
body.index-page .group14 .glitch-layer-5,
body.index-page .group14 .glitch-layer-6,
body.index-page .group14 .glitch-layer-7,
body.index-page .group14 .glitch-layer-8,
body.index-page .group15 .glitch-layer-2,
body.index-page .group15 .glitch-layer-3,
body.index-page .group15 .glitch-layer-4,
body.index-page .group15 .glitch-layer-5,
body.index-page .group15 .glitch-layer-6,
body.index-page .group15 .glitch-layer-7,
body.index-page .group15 .glitch-layer-8 {
    filter: brightness(1.1) contrast(1.1) hue-rotate(0deg);
}

.main.kv {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: visible; /* canvasが切れないように */
    margin-top: -4em;
}
.content-container {
    width: 1106px;
    position: relative;
    margin: 0 auto;
    padding-top:0px;
}

/* Content Container KV - Center Alignment */
.content-container.kv {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    margin: auto;
    width: auto;
    transition: width 0.3s ease, height 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: visible; /* canvasが切れないように */
}

.image-group {
    position: absolute;
}

.image-group img {
    display: block;
    max-width: none;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Glitch Effect Styles */
.glitch-container {
    position: relative;
    display: block;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.glitch-layers {
    position: relative;
    width: 100%;
    height: 100%;
}

.glitch-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    filter: brightness(1.1) contrast(1.1);
}

/* Show first layer by default */
.glitch-layer-1 {
    opacity: 1;
    filter: none;
    mask-image: none;
    -webkit-mask-image: none;
}

.glitch-layer img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Layer 1: base layer (no mask on hover to keep image smooth) */
.glitch-container:hover .glitch-layer-1 {
    filter: brightness(1.05) contrast(1.05);
}

/* Layer 2: 12.5% - 25% */
.glitch-container:hover .glitch-layer-2 {
    mask-image: linear-gradient(transparent 0%, transparent 12.5%, black 12.5%, black 25%, transparent 25%);
    -webkit-mask-image: linear-gradient(transparent 0%, transparent 12.5%, black 12.5%, black 25%, transparent 25%);
    filter: brightness(1.1) contrast(1.1) hue-rotate(180deg);
}

/* Layer 3: 25% - 37.5% */
.glitch-container:hover .glitch-layer-3 {
    mask-image: linear-gradient(transparent 0%, transparent 25%, black 25%, black 37.5%, transparent 37.5%);
    -webkit-mask-image: linear-gradient(transparent 0%, transparent 25%, black 25%, black 37.5%, transparent 37.5%);
    filter: brightness(1.1) contrast(1.1) hue-rotate(300deg);
}

/* Layer 4: 37.5% - 50% */
.glitch-container:hover .glitch-layer-4 {
    mask-image: linear-gradient(transparent 0%, transparent 37.5%, black 37.5%, black 50%, transparent 50%);
    -webkit-mask-image: linear-gradient(transparent 0%, transparent 37.5%, black 37.5%, black 50%, transparent 50%);
    filter: brightness(1.1) contrast(1.1) hue-rotate(60deg);
}

/* Layer 5: 50% - 62.5% */
.glitch-container:hover .glitch-layer-5 {
    mask-image: linear-gradient(transparent 0%, transparent 50%, black 50%, black 62.5%, transparent 62.5%);
    -webkit-mask-image: linear-gradient(transparent 0%, transparent 50%, black 50%, black 62.5%, transparent 62.5%);
    filter: brightness(1.1) contrast(1.1) hue-rotate(120deg);
}

/* Layer 6: 62.5% - 75% */
.glitch-container:hover .glitch-layer-6 {
    mask-image: linear-gradient(transparent 0%, transparent 62.5%, black 62.5%, black 75%, transparent 75%);
    -webkit-mask-image: linear-gradient(transparent 0%, transparent 62.5%, black 62.5%, black 75%, transparent 75%);
    filter: brightness(1.1) contrast(1.1) hue-rotate(240deg);
}

/* Layer 7: 75% - 87.5% */
.glitch-container:hover .glitch-layer-7 {
    mask-image: linear-gradient(transparent 0%, transparent 75%, black 75%, black 87.5%, transparent 87.5%);
    -webkit-mask-image: linear-gradient(transparent 0%, transparent 75%, black 75%, black 87.5%, transparent 87.5%);
    filter: brightness(1.1) contrast(1.1) hue-rotate(30deg);
}

/* Layer 8: 87.5% - 100% */
.glitch-container:hover .glitch-layer-8 {
    mask-image: linear-gradient(transparent 0%, transparent 87.5%, black 87.5%);
    -webkit-mask-image: linear-gradient(transparent 0%, transparent 87.5%, black 87.5%);
    filter: brightness(1.1) contrast(1.1) hue-rotate(90deg);
}

/* Group 16: Single color for all layers on hover */
.group16 .glitch-container:hover .glitch-layer-1,
.group16 .glitch-container:hover .glitch-layer-2,
.group16 .glitch-container:hover .glitch-layer-3,
.group16 .glitch-container:hover .glitch-layer-4,
.group16 .glitch-container:hover .glitch-layer-5,
.group16 .glitch-container:hover .glitch-layer-6,
.group16 .glitch-container:hover .glitch-layer-7,
.group16 .glitch-container:hover .glitch-layer-8 {
    filter: brightness(1.1) contrast(1.1) hue-rotate(0deg);
}

/* Hover Effect */
.glitch-container:hover .glitch-layer {
    opacity: 1;
}

/* Animation for continuous glitch effect */
@keyframes glitch-animation-1 {
    0%, 100% {
        transform: translateX(0) translateY(0);
    }
    20% {
        transform: translateX(-8px) translateY(-3px);
    }
    40% {
        transform: translateX(6px) translateY(3px);
    }
    60% {
        transform: translateX(-4px) translateY(-2px);
    }
    80% {
        transform: translateX(5px) translateY(2px);
    }
}

@keyframes glitch-animation-2 {
    0%, 100% {
        transform: translateX(0) translateY(0);
    }
    25% {
        transform: translateX(7px) translateY(3px);
    }
    50% {
        transform: translateX(-6px) translateY(-3px);
    }
    75% {
        transform: translateX(4px) translateY(2px);
    }
}

@keyframes glitch-animation-3 {
    0%, 100% {
        transform: translateX(0) translateY(0);
    }
    30% {
        transform: translateX(-7px) translateY(-2px);
    }
    60% {
        transform: translateX(8px) translateY(3px);
    }
    90% {
        transform: translateX(-5px) translateY(-2px);
    }
}

@keyframes glitch-animation-4 {
    0%, 100% {
        transform: translateX(0) translateY(0);
    }
    15% {
        transform: translateX(6px) translateY(2px);
    }
    45% {
        transform: translateX(-8px) translateY(-3px);
    }
    75% {
        transform: translateX(5px) translateY(2px);
    }
}

@keyframes glitch-animation-5 {
    0%, 100% {
        transform: translateX(0) translateY(0);
    }
    20% {
        transform: translateX(7px) translateY(-2px);
    }
    40% {
        transform: translateX(-8px) translateY(3px);
    }
    60% {
        transform: translateX(5px) translateY(-2px);
    }
    80% {
        transform: translateX(-6px) translateY(2px);
    }
}

@keyframes glitch-animation-6 {
    0%, 100% {
        transform: translateX(0) translateY(0);
    }
    25% {
        transform: translateX(-7px) translateY(2px);
    }
    50% {
        transform: translateX(8px) translateY(-3px);
    }
    75% {
        transform: translateX(-5px) translateY(2px);
    }
}

@keyframes glitch-animation-7 {
    0%, 100% {
        transform: translateX(0) translateY(0);
    }
    30% {
        transform: translateX(6px) translateY(3px);
    }
    60% {
        transform: translateX(-8px) translateY(-2px);
    }
    90% {
        transform: translateX(5px) translateY(2px);
    }
}

@keyframes glitch-animation-8 {
    0%, 100% {
        transform: translateX(0) translateY(0);
    }
    15% {
        transform: translateX(-7px) translateY(-2px);
    }
    45% {
        transform: translateX(8px) translateY(3px);
    }
    75% {
        transform: translateX(-6px) translateY(-2px);
    }
}

.glitch-container:hover .glitch-layer-1 {
    animation: glitch-animation-1 0.2s forwards;
    animation-delay: 0s;
}

.glitch-container:hover .glitch-layer-2 {
    animation: glitch-animation-2 0.2s forwards;
    animation-delay: 0.025s;
}

.glitch-container:hover .glitch-layer-3 {
    animation: glitch-animation-3 0.2s forwards;
    animation-delay: 0.05s;
}

.glitch-container:hover .glitch-layer-4 {
    animation: glitch-animation-4 0.2s forwards;
    animation-delay: 0.075s;
}

.glitch-container:hover .glitch-layer-5 {
    animation: glitch-animation-5 0.2s forwards;
    animation-delay: 0.1s;
}

.glitch-container:hover .glitch-layer-6 {
    animation: glitch-animation-6 0.2s forwards;
    animation-delay: 0.125s;
}

.glitch-container:hover .glitch-layer-7 {
    animation: glitch-animation-7 0.2s forwards;
    animation-delay: 0.15s;
}

.glitch-container:hover .glitch-layer-8 {
    animation: glitch-animation-8 0.2s forwards;
    animation-delay: 0.175s;
}
/* Hero Area - PC Design */
.hero_area {
    height: auto;
    min-height: auto;
    position: relative;
    width: auto;
    transition: width 0.3s ease, height 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Canvas要素のスタイル */
#heroCanvas {
    position: relative;
    cursor: pointer;
    z-index: 1;
    transition: width 0.3s ease, height 0.3s ease;
    /* FirefoxとChromeで同じ見た目にするため、transformは使用しない */
}

.hero_area_content {
    display: none;
}

/* Group 16: MALE MODELS - PC Position */
.group16 {
    position: absolute;
    left: 161.66px;
    top: 84.4px;
    width: 433.79px;
    height: 354.24px;
}

/* Group 15: Vertical MODELS - PC Position */
.group15 {
    position: absolute;
    left: 631.13px;
    top: 72.4px;
    width: 313.60px;
    height: 573.96px;
}

/* Group 14: VIDEO PRODUCTION - PC Position */
.group14 {
    position: absolute;
    left: 155.66px;
    top: 463.27px;
    width: 782.40px;
    height: 352.20px;
}

/* Group 14, 15, 16: 通常時でもランダムにグリッチエフェクトを動かす */
/* デフォルトではアニメーションを無効化（JavaScriptで制御） */
.group14 .glitch-layer-2,
.group15 .glitch-layer-2,
.group16 .glitch-layer-2 {
    animation: none;
    mask-image: linear-gradient(transparent 0%, transparent 12.5%, black 12.5%, black 25%, transparent 25%);
    -webkit-mask-image: linear-gradient(transparent 0%, transparent 12.5%, black 12.5%, black 25%, transparent 25%);
}

.group14 .glitch-layer-3,
.group15 .glitch-layer-3,
.group16 .glitch-layer-3 {
    animation: none;
    mask-image: linear-gradient(transparent 0%, transparent 25%, black 25%, black 37.5%, transparent 37.5%);
    -webkit-mask-image: linear-gradient(transparent 0%, transparent 25%, black 25%, black 37.5%, transparent 37.5%);
}

.group14 .glitch-layer-4,
.group15 .glitch-layer-4,
.group16 .glitch-layer-4 {
    animation: none;
    mask-image: linear-gradient(transparent 0%, transparent 37.5%, black 37.5%, black 50%, transparent 50%);
    -webkit-mask-image: linear-gradient(transparent 0%, transparent 37.5%, black 37.5%, black 50%, transparent 50%);
}

.group14 .glitch-layer-5,
.group15 .glitch-layer-5,
.group16 .glitch-layer-5 {
    animation: none;
    mask-image: linear-gradient(transparent 0%, transparent 50%, black 50%, black 62.5%, transparent 62.5%);
    -webkit-mask-image: linear-gradient(transparent 0%, transparent 50%, black 50%, black 62.5%, transparent 62.5%);
}

.group14 .glitch-layer-6,
.group15 .glitch-layer-6,
.group16 .glitch-layer-6 {
    animation: none;
    mask-image: linear-gradient(transparent 0%, transparent 62.5%, black 62.5%, black 75%, transparent 75%);
    -webkit-mask-image: linear-gradient(transparent 0%, transparent 62.5%, black 62.5%, black 75%, transparent 75%);
}

.group14 .glitch-layer-7,
.group15 .glitch-layer-7,
.group16 .glitch-layer-7 {
    animation: none;
    mask-image: linear-gradient(transparent 0%, transparent 75%, black 75%, black 87.5%, transparent 87.5%);
    -webkit-mask-image: linear-gradient(transparent 0%, transparent 75%, black 75%, black 87.5%, transparent 87.5%);
}

.group14 .glitch-layer-8,
.group15 .glitch-layer-8,
.group16 .glitch-layer-8 {
    animation: none;
    mask-image: linear-gradient(transparent 0%, transparent 87.5%, black 87.5%);
    -webkit-mask-image: linear-gradient(transparent 0%, transparent 87.5%, black 87.5%);
}

/* アクティブなグループのレイヤーを表示（ホバー時と同じように） */
.group14.glitch-active .glitch-layer,
.group15.glitch-active .glitch-layer,
.group16.glitch-active .glitch-layer {
    opacity: 1;
}

/* アクティブなグループのみアニメーションを有効化 */
.group14.glitch-active .glitch-layer-2 {
    animation: glitch-random-2 3s;
    animation-delay: 0.5s;
}

.group14.glitch-active .glitch-layer-3 {
    animation: glitch-random-3 4s;
    animation-delay: 1.2s;
}

.group14.glitch-active .glitch-layer-4 {
    animation: glitch-random-4 3.5s;
    animation-delay: 0.8s;
}

.group14.glitch-active .glitch-layer-5 {
    animation: glitch-random-5 4.5s;
    animation-delay: 1.5s;
}

.group14.glitch-active .glitch-layer-6 {
    animation: glitch-random-6 3.2s;
    animation-delay: 0.3s;
}

.group14.glitch-active .glitch-layer-7 {
    animation: glitch-random-7 4.2s;
    animation-delay: 1.8s;
}

.group14.glitch-active .glitch-layer-8 {
    animation: glitch-random-8 3.8s;
    animation-delay: 0.7s;
}

.group15.glitch-active .glitch-layer-2 {
    animation: glitch-random-2 3s;
    animation-delay: 0.5s;
}

.group15.glitch-active .glitch-layer-3 {
    animation: glitch-random-3 4s;
    animation-delay: 1.2s;
}

.group15.glitch-active .glitch-layer-4 {
    animation: glitch-random-4 3.5s;
    animation-delay: 0.8s;
}

.group15.glitch-active .glitch-layer-5 {
    animation: glitch-random-5 4.5s;
    animation-delay: 1.5s;
}

.group15.glitch-active .glitch-layer-6 {
    animation: glitch-random-6 3.2s;
    animation-delay: 0.3s;
}

.group15.glitch-active .glitch-layer-7 {
    animation: glitch-random-7 4.2s;
    animation-delay: 1.8s;
}

.group15.glitch-active .glitch-layer-8 {
    animation: glitch-random-8 3.8s;
    animation-delay: 0.7s;
}

.group16.glitch-active .glitch-layer-2 {
    animation: glitch-random-2 3s;
    animation-delay: 0.5s;
}

.group16.glitch-active .glitch-layer-3 {
    animation: glitch-random-3 4s;
    animation-delay: 1.2s;
}

.group16.glitch-active .glitch-layer-4 {
    animation: glitch-random-4 3.5s;
    animation-delay: 0.8s;
}

.group16.glitch-active .glitch-layer-5 {
    animation: glitch-random-5 4.5s;
    animation-delay: 1.5s;
}

.group16.glitch-active .glitch-layer-6 {
    animation: glitch-random-6 3.2s;
    animation-delay: 0.3s;
}

.group16.glitch-active .glitch-layer-7 {
    animation: glitch-random-7 4.2s;
    animation-delay: 1.8s;
}

.group16.glitch-active .glitch-layer-8 {
    animation: glitch-random-8 3.8s;
    animation-delay: 0.7s;
}

/* Group 16用のフィルター（通常時） */
.group16 .glitch-layer-2,
.group16 .glitch-layer-3,
.group16 .glitch-layer-4,
.group16 .glitch-layer-5,
.group16 .glitch-layer-6,
.group16 .glitch-layer-7,
.group16 .glitch-layer-8 {
    filter: brightness(1.1) contrast(1.1) hue-rotate(0deg);
}

/* Group 14, 15用のフィルター（通常時） */
.group14 .glitch-layer-2,
.group15 .glitch-layer-2 {
    filter: brightness(1.1) contrast(1.1) hue-rotate(180deg);
}

.group14 .glitch-layer-3,
.group15 .glitch-layer-3 {
    filter: brightness(1.1) contrast(1.1) hue-rotate(300deg);
}

.group14 .glitch-layer-4,
.group15 .glitch-layer-4 {
    filter: brightness(1.1) contrast(1.1) hue-rotate(60deg);
}

.group14 .glitch-layer-5,
.group15 .glitch-layer-5 {
    filter: brightness(1.1) contrast(1.1) hue-rotate(120deg);
}

.group14 .glitch-layer-6,
.group15 .glitch-layer-6 {
    filter: brightness(1.1) contrast(1.1) hue-rotate(240deg);
}

.group14 .glitch-layer-7,
.group15 .glitch-layer-7 {
    filter: brightness(1.1) contrast(1.1) hue-rotate(30deg);
}

.group14 .glitch-layer-8,
.group15 .glitch-layer-8 {
    filter: brightness(1.1) contrast(1.1) hue-rotate(90deg);
}

/* ランダムなグリッチアニメーション（通常時用） */
@keyframes glitch-random-2 {
    0%, 85% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    5% {
        opacity: 0.8;
        transform: translateX(-5px) translateY(-2px);
    }
    10% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    20% {
        opacity: 0.6;
        transform: translateX(4px) translateY(2px);
    }
    25% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    40% {
        opacity: 0.7;
        transform: translateX(-3px) translateY(1px);
    }
    45% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    60% {
        opacity: 0.5;
        transform: translateX(6px) translateY(-1px);
    }
    65% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
}

@keyframes glitch-random-3 {
    0%, 80% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    8% {
        opacity: 0.7;
        transform: translateX(5px) translateY(2px);
    }
    13% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    25% {
        opacity: 0.6;
        transform: translateX(-4px) translateY(-2px);
    }
    30% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    50% {
        opacity: 0.8;
        transform: translateX(3px) translateY(-1px);
    }
    55% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    70% {
        opacity: 0.5;
        transform: translateX(-6px) translateY(1px);
    }
    75% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
}

@keyframes glitch-random-4 {
    0%, 75% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    3% {
        opacity: 0.6;
        transform: translateX(-6px) translateY(1px);
    }
    8% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    18% {
        opacity: 0.7;
        transform: translateX(4px) translateY(-2px);
    }
    23% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    38% {
        opacity: 0.5;
        transform: translateX(-3px) translateY(2px);
    }
    43% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    58% {
        opacity: 0.8;
        transform: translateX(5px) translateY(-1px);
    }
    63% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
}

@keyframes glitch-random-5 {
    0%, 82% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    6% {
        opacity: 0.5;
        transform: translateX(4px) translateY(-1px);
    }
    11% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    22% {
        opacity: 0.8;
        transform: translateX(-5px) translateY(2px);
    }
    27% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    42% {
        opacity: 0.6;
        transform: translateX(3px) translateY(1px);
    }
    47% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    62% {
        opacity: 0.7;
        transform: translateX(-4px) translateY(-2px);
    }
    67% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
}

@keyframes glitch-random-6 {
    0%, 78% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    4% {
        opacity: 0.7;
        transform: translateX(-4px) translateY(2px);
    }
    9% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    19% {
        opacity: 0.5;
        transform: translateX(5px) translateY(-1px);
    }
    24% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    39% {
        opacity: 0.8;
        transform: translateX(-3px) translateY(-2px);
    }
    44% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    59% {
        opacity: 0.6;
        transform: translateX(6px) translateY(1px);
    }
    64% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
}

@keyframes glitch-random-7 {
    0%, 83% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    7% {
        opacity: 0.6;
        transform: translateX(5px) translateY(1px);
    }
    12% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    24% {
        opacity: 0.7;
        transform: translateX(-4px) translateY(-1px);
    }
    29% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    45% {
        opacity: 0.5;
        transform: translateX(3px) translateY(2px);
    }
    50% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    65% {
        opacity: 0.8;
        transform: translateX(-6px) translateY(-2px);
    }
    70% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
}

@keyframes glitch-random-8 {
    0%, 79% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    5% {
        opacity: 0.8;
        transform: translateX(-5px) translateY(-1px);
    }
    10% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    21% {
        opacity: 0.5;
        transform: translateX(4px) translateY(2px);
    }
    26% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    41% {
        opacity: 0.7;
        transform: translateX(-3px) translateY(1px);
    }
    46% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
    61% {
        opacity: 0.6;
        transform: translateX(6px) translateY(-2px);
    }
    66% {
        opacity: 0;
        transform: translateX(0) translateY(0);
    }
}

/* ============================================
   RESPONSIVE DESIGN (Mobile/Tablet)
   ============================================ */
/* Footer Styles */
.footer {
    width: 100%;
    height: 96px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.copyright {
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 11.7px;
    line-height: 19.5px;
    color: #090c22;
    text-align: center;
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 50px;
    height: 50px;
    background-color: #333333;
    color: #f6f6f6;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background-color 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    background-color: #2C405A;
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.scroll-to-top:active {
    transform: translateY(-3px);
}

.scroll-to-top svg {
    width: 20px;
    height: 20px;
}

/* Mobile Design (768px and below) */
@media screen and (max-width: 768px) {
    /* Header - Mobile */
    .header {
        height: 139px;
    }

    .header-content {
        left: 54px;
        width: calc(100% - 108px);
    }

    .logo-container {
        height: 85px;
        width: 84px;
    }

    .logo-icon {
        left: 27px;
        top: 21px;
        width: 38.425px;
        height: 37px;
        object-fit: contain;
    }

    .logo-text {
        font-size: 8.93px;
        letter-spacing: 3.3041px;
        bottom: 4.71px;
        left: 23.81px;
        right: 15.48px;
    }

    .menu-section {
        margin-top: 0;
        width: 46px;
        padding: 0;
    }

    /* Main Content - Mobile */
    .main.kv {
        min-height: 55vh;
        height: auto;
        margin-top: -6em;
    }

    .content-container {
        width: auto;
        height: auto;
        padding: 0;
    }
    
    .content-container.kv {
        position: absolute;
        top: 40%;
        left: 50%;
        transform: translate(-50%, -5%);
        margin: 0;
        overflow: visible; /* canvasが切れないように */
    }

    .hero_area {
        height: auto;
        min-height: 0;
        display: block; /* flexboxを解除 */
        position: relative;
        overflow: visible; /* canvasが切れないように */
    }
    
    /* Canvas要素の位置調整（レスポンシブ時） */
    #heroCanvas {
        position: absolute;
        top: -37px;
        left: 20px;
    }

    /* Group 16: MALE MODELS - Mobile Position */
    .group16 {
        left: 0px;
        top: 71.4px;
        width: 271px;
        height: 221px;
    }

    /* Group 15: Vertical MODELS - Mobile Position */
    .group15 {
        left: 304px;
        top: 62.4px;
        width: 196px;
        height: 358px;
    }

    /* Group 14: VIDEO PRODUCTION - Mobile Position */
    .group14 {
        left: 0px;
        top: 302px;
        width: 496px;
        height: 239px;
    }

    /* Footer - Mobile */
    .footer {
        height: 155px;
    }

    .copyright {
        font-size: 11.7px;
        line-height: 19.5px;
    }

    /* Scroll to Top Button - Mobile */
    .scroll-to-top {
        bottom: 30px;
        right: 30px;
        width: 45px;
        height: 45px;
    }

    .scroll-to-top svg {
        width: 18px;
        height: 18px;
    }

    /* Menu - Mobile */
    .menu-link {
        font-size: 36px;
    }

    .menu-list {
        gap: 30px;
    }
}

/* Small Mobile Design (480px and below) */
@media screen and (max-width: 480px) {
    body.index-page {
    overflow-x: hidden !important;
    }
    .main.kv {
        min-height: auto;   
        margin-top: -8em; 
    }
    .header-content {
        left: 20px;
        width: calc(100% - 40px);
    }

    .content-container {
        width: auto;
        height: auto;
        padding: 0;
    }
    
    .content-container.kv {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        margin: 0;
        overflow: visible; /* canvasが切れないように */
    }

    .hero_area {
        height: auto;
        min-height: 0;
        display: block; /* flexboxを解除 */
        position: relative;
        overflow: visible; /* canvasが切れないように */
    }
    
    /* Canvas要素の位置調整（小さいモバイル時） */
    #heroCanvas {
        position: absolute;
        top: 40px;
        left: 25px;
    }

    .main {
        height: auto;
    }

    /* Group 15: Vertical MODELS - Small Mobile Position */
    .group15 {
        left: 190px;
        top: 80.4px;
        width: 196px;
        height: 358px;
    }

    /* Group 14: VIDEO PRODUCTION - Small Mobile Position */
    .group14 {
        left: 0px;
        top: 246px;
        width: 489px;
        height: 220px;
    }

    /* Image adjustments for small mobile */
    .image-group.group16 a img.group-image {
        display: block;
        width: 53.6vw;
        height: 49.6vw;
        object-fit: contain;
    }

    .image-group.group15 a img.group-image {
        display: block;
        width: 60.6vw;
        height: 59.6vw;
        object-fit: contain;
    }

    .image-group.group14 a img.group-image {
        display: block;
        width: 90.6vw;
        height: 59.6vw;
        object-fit: contain;
    }

    /* Menu - Small Mobile */
    .menu-link {
        font-size: 28px;
    }

    .menu-list {
        gap: 25px;
    }

    /* Scroll to Top Button - Small Mobile */
    .scroll-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }

    .scroll-to-top svg {
        width: 16px;
        height: 16px;
    }
}

/* Full Screen Overlay Menu */
.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color:#fff;
    backdrop-filter: blur(10px);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    overflow-y: auto;
}

.menu-close-btn {
    position: absolute;
    top: 42.82px;
    right: 66px;
    width: 46px;
    height: 46px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.close-icon {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
}

.close-line {
    width: 100%;
    height: 3px;
    background-color: #333333;
    transition: all 0.3s ease;
    position: absolute;
}

.close-line:first-child {
    transform: rotate(45deg);
}

.close-line:last-child {
    transform: rotate(-45deg);
}

.menu-close-btn:hover .close-line {
    background-color: #2C405A;
}

.menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.menu-overlay-content {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
}

.menu-nav {
    width: 100%;
    max-width: 1200px;
}

.menu-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-items: center;
    justify-content: center;
}

.menu-item {
    width: 100%;
    text-align: center;
}

.menu-link {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 20px;
    line-height: 1.2;
    color: #333333;
    text-decoration: none;
    letter-spacing: 2px;
    display: inline-block;
    transition: all 0.3s ease;
    position: relative;
    padding: 10px 0;
}

.menu-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: #333333;
    transition: width 0.3s ease;
}

.menu-link:hover {
    color: #2C405A;
    transform: translateY(-2px);
}

.menu-link:hover::after {
    width: 100%;
}