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

        body {
            font-family: 'Helvetica Neue', Arial, sans-serif;
            background: #000;
            color: white;
            user-select: none;
            overflow: hidden;
            height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* Top Navigation Styles - Fixed height, no longer following */
        .top-navigation {
            background: rgba(0, 0, 0, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 1rem 2rem;
            flex-shrink: 0;
            height: 80px;
            display: flex;
            align-items: center;
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
            position: relative;
        }

        .nav-menu {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 2rem;
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
        }

        .nav-item {
            position: relative;
            padding: 0.5rem 1rem;
            cursor: pointer;
            font-size: 0.9rem;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: rgba(255, 255, 255, 0.7);
            transition: all 0.3s ease;
            border-radius: 20px;
        }

        .nav-item:hover {
            color: white;
            background: rgba(255, 255, 255, 0.1);
        }

        .nav-item.active {
            color: white;
            background: rgba(255, 255, 255, 0.2);
        }

        .nav-item.active::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 4px;
            background: white;
            border-radius: 50%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            cursor: pointer;
            transition: all 0.3s ease;
            height: 40px;
        }

        .nav-logo:hover {
            transform: scale(1.05);
            opacity: 0.8;
        }

        .nav-logo img {
            height: 100%;
            width: auto;
            max-width: 120px;
            object-fit: contain;
            filter: brightness(1);
            transition: filter 0.3s ease;
        }

        .nav-logo:hover img {
            filter: brightness(0.9);
        }

        /* Main content area - takes remaining space */
        .main-content {
            flex: 1;
            display: flex;
            position: relative;
            overflow: hidden;
        }

        /* Image display area - full width */
        .image-container {
            flex: 1;
            position: relative;
            overflow: hidden;
            display: flex;
            justify-content: center;
            align-items: center;
            background: #1a1a1a;
        }

        .slide {
            position: absolute;
            width: 100%;
            height: 100%;
            background-size: contain;
            background-position: center;
            background-repeat: no-repeat;
            background-color: #1a1a1a;
            transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.8s ease;
            transform: translateY(100%);
            opacity: 0;
        }

@media (min-width: 768px) {
    .slide {
        width: 95%;           /* 80% → 95% に変更 */
        max-width: 900px;     /* 600px → 900px に変更 */
        height: 95%;          /* 90% → 95% に変更 */
        border-radius: 20px;
        overflow: hidden;
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    }
}

        .slide.active {
            transform: translateY(0);
            opacity: 1;
        }

        .slide.prev {
            transform: translateY(-100%);
            opacity: 0;
        }

        .slide::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.1);
            z-index: 1;
        }

        /* Side navigation area - minimal overlay */
        .side-navigation {
            position: absolute;
            right: 1rem;
            top: 50%;
            transform: translateY(-50%);
            z-index: 10;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            background: rgba(0, 0, 0, 0.3);
            backdrop-filter: blur(8px);
            padding: 1rem 0.5rem;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: all 0.3s ease;
            opacity: 0.6;
        }

        .side-navigation:hover {
            opacity: 1;
            background: rgba(0, 0, 0, 0.5);
        }

        .nav-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.4);
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
        }

        .nav-dot:hover {
            background: rgba(255, 255, 255, 0.7);
            transform: scale(1.3);
        }

        .nav-dot.active {
            background: white;
            transform: scale(1.5);
            box-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
        }

        .nav-dot.active::after {
            content: '';
            position: absolute;
            left: -12px;
            top: 50%;
            transform: translateY(-50%);
            width: 2px;
            height: 2px;
            background: white;
            border-radius: 50%;
            opacity: 0.8;
        }
		
		
		 /* 動画スライド用スタイル */
        .video-slide {
            background: #000;
            padding: 0;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .slide-video {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
        }

        /* モバイル向けレスポンシブ調整 */
@media screen and (max-width: 767px) {
    .slide {
        width: 100%;          /* 画面幅いっぱい */
        height: 100%;         /* 高さも最大化 */
        border-radius: 0;     /* スマホでは角丸なし */
        background-size: cover; /* contain → cover に変更 */
        background-position: center center;
    }
    
    .slide-video {
        object-fit: cover;    /* contain → cover に変更 */
        width: 100%;
        height: 100%;
    }
}
            
            .cta-area {
                height: 90px;
            }
            
            .slide {
                background-size: contain;
                background-position: center center;
            }

        

        /* Bottom CTA area - fixed height */
        .bottom-cta {
            height: 80px;
            background: rgba(0, 0, 0, 0.95);
            backdrop-filter: blur(10px);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            flex-shrink: 0;
            gap: 0.5rem;
        }

        .swipe-indicator {
            display: flex;
            align-items: center;
            gap: 1rem;
            opacity: 0.7;
            transition: opacity 0.3s ease;
        }

        .footer-copyright {
            display: flex;
            justify-content: center;
            align-items: center;
            opacity: 0.6;
        }

        .copyright-text {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.8);
            text-align: center;
            letter-spacing: 0.5px;
        }

        .swipe-text {
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 2px;
        }

        .swipe-arrow {
            width: 2px;
            height: 20px;
            background: white;
            position: relative;
            animation: bounce 2s infinite;
        }

        .swipe-arrow::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: -3px;
            width: 8px;
            height: 8px;
            border-right: 2px solid white;
            border-bottom: 2px solid white;
            transform: rotate(45deg);
        }

        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
            40% { transform: translateY(-5px); }
            60% { transform: translateY(-2px); }
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .top-navigation {
                padding: 0.8rem 1rem;
                height: 100px;
            }
            
            .nav-menu {
                gap: 1rem;
                flex-wrap: wrap;
                position: static;
                transform: none;
                order: 1;
            }
            
            .nav-container {
                flex-direction: column;
                gap: 0.5rem;
            }
            
            .nav-logo {
                order: 0;
                height: 32px;
            }
            
            .nav-logo img {
                max-width: 100px;
            }
            
            .nav-item {
                font-size: 0.8rem;
                padding: 0.4rem 0.8rem;
            }
            
            .side-navigation {
                right: 0.5rem;
                gap: 0.6rem;
                padding: 0.8rem 0.3rem;
            }
            
            .nav-dot {
                width: 6px;
                height: 6px;
            }
            
            .bottom-cta {
                height: 70px;
            }
            
            .copyright-text {
                font-size: 0.6rem;
            }
            
            .swipe-text {
                font-size: 0.8rem;
            }
        }

        @media (max-width: 480px) {
            .top-navigation {
                height: 120px;
                padding: 0.6rem;
            }
            
            .nav-menu {
                gap: 0.5rem;
            }
            
            .nav-item {
                font-size: 0.7rem;
                padding: 0.3rem 0.6rem;
            }
            
            .nav-logo {
                height: 28px;
            }
            
            .nav-logo img {
                max-width: 80px;
            }
            
            .side-navigation {
                right: 0.3rem;
                gap: 0.5rem;
                padding: 0.6rem 0.2rem;
                opacity: 0.5;
            }
            
            .nav-dot {
                width: 5px;
                height: 5px;
            }
            
            .copyright-text {
                font-size: 0.55rem;
                line-height: 1.2;
            }
        }
    </style>