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

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

.header {
    padding: 2rem 0;
    text-align: center;
}

.brand-title {
    font-size: 4rem;
    font-weight: 900;
    color: #2c3e50;
    letter-spacing: -0.02em;
    margin: 0;
    text-transform: lowercase;
    transition: all 0.3s ease;
}

.brand-title:hover {
    transform: scale(1.05);
    color: #34495e;
}

.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1200px;
    width: 100%;
    align-items: center;
}

.text-section {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.tagline {
    font-size: 1.5rem;
    color: #2c3e50;
    font-weight: 400;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.coming-soon {
    font-size: 2.5rem;
    font-weight: 700;
    color: #3498db;
    letter-spacing: 0.1em;
    margin: 2rem 0;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.05);
    }
}

.contact-btn {
    background-color: #2c3e50;
    color: white;
    border: none;
    padding: 1rem 3rem;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    align-self: flex-start;
    position: relative;
    overflow: hidden;
}

.contact-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.contact-btn:hover::before {
    left: 100%;
}

.contact-btn:hover {
    background-color: #34495e;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(44, 62, 80, 0.3);
}

.contact-btn:active {
    transform: translateY(0);
}

.visual-section {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hexagon-container {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

.hexagon-image {
    width: 300px;
    height: 300px;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.1));
    transition: all 0.3s ease;
}

.hexagon-image:hover {
    transform: scale(1.1) rotate(10deg);
    filter: drop-shadow(0 25px 50px rgba(0,0,0,0.2));
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .brand-title {
        font-size: 3rem;
    }
    
    .content-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .tagline {
        font-size: 1.2rem;
    }
    
    .coming-soon {
        font-size: 2rem;
    }
    
    .hexagon-image {
        width: 250px;
        height: 250px;
    }
    
    .main-content {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .brand-title {
        font-size: 2.5rem;
    }
    
    .tagline {
        font-size: 1rem;
    }
    
    .coming-soon {
        font-size: 1.5rem;
    }
    
    .contact-btn {
        padding: 0.8rem 2rem;
        font-size: 1rem;
    }
    
    .hexagon-image {
        width: 200px;
        height: 200px;
    }
}

/* 背景アニメーション */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.1) 0%, transparent 50%);
    animation: backgroundMove 20s ease-in-out infinite;
    z-index: -1;
}

@keyframes backgroundMove {
    0%, 100% {
        transform: scale(1) rotate(0deg);
    }
    50% {
        transform: scale(1.1) rotate(5deg);
    }
}