/* ヒーローセクション専用CSS */
.hero-section {
    min-height: 70vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    color: white;
    animation: slideInLeft 1s ease-out;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 25px;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-subtitle {
    font-size: 1.2rem;
    font-weight: 300;
    margin-bottom: 30px;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-cta {
    display: inline-block;
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: white;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
    animation: fadeInUp 1s ease-out 0.8s both;
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.6);
}

.hero-visual {
    position: relative;
    animation: slideInRight 1s ease-out;
    display: block;
}

.illustration-container {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    position: relative;
    display: block;
}

.hero-character-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 15px;
    margin-bottom: 20px;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.2));
    object-fit: contain;
    /* レスポンシブ画像の最適化 */
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.illustration-text {
    font-size: 1.3rem;
    font-weight: 600;
    color: white;
    margin-bottom: 10px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.illustration-subtext {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* フローティング要素 */
.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.floating-element {
    position: absolute;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    top: 60%;
    left: 80%;
    animation-delay: 2s;
}

.floating-element:nth-child(3) {
    top: 80%;
    left: 20%;
    animation-delay: 4s;
}

/* アニメーション */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .illustration-container {
        padding: 30px;
    }
    
    .hero-character-image {
        max-width: 300px;
    }
}