/* リセット & 基本設定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* カラーパレット - ライブストリーミング風 */
    --primary-color: #8b5cf6;
    --primary-light: #a78bfa;
    --primary-dark: #7c3aed;
    --secondary-color: #ec4899;
    --accent-color: #f97316;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    /* ライトテーマカラー */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-card: #ffffff;
    
    /* テキストカラー */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    /* ボーダー */
    --border-light: #e2e8f0;
    --border-medium: #cbd5e1;
    --border-dark: #94a3b8;
    
    /* グラデーション */
    --gradient-primary: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    --gradient-secondary: linear-gradient(135deg, #faf5ff 0%, #ffffff 100%);
    --gradient-hero: linear-gradient(135deg, rgba(139, 92, 246, 0.03) 0%, rgba(236, 72, 153, 0.03) 100%);
    
    /* シャドウ */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* フォント */
    --font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Poppins', 'Plus Jakarta Sans', 'Inter', sans-serif;
    
    /* スペーシング */
    --container-max-width: 1400px;
    --section-padding: 120px 0;
    --element-spacing: 2rem;
    
    /* 新しいデザインシステム */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    --border-radius-xl: 32px;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1rem;
}

/* ヘッダー & ナビゲーション */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav {
    padding: 1.5rem 0;
    transition: padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.04em;
    position: relative;
}

.logo::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: -0.01em;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
    background: rgba(139, 92, 246, 0.1);
}

.nav-icon {
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    transition: transform 0.3s ease;
}

.nav-link:hover .nav-icon {
    transform: scale(1.1) rotate(5deg);
}

.nav-text {
    position: relative;
    z-index: 1;
}

/* アクティブ状態のナビゲーション */
.nav-link.active {
    color: var(--primary-color);
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(236, 72, 153, 0.05) 100%);
}

.nav-link.active .nav-icon {
    color: var(--primary-color);
}

.nav-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* ハンバーガーメニュー */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* ボタンスタイル */
.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: var(--font-heading);
    letter-spacing: -0.01em;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 8px 24px rgba(139, 92, 246, 0.25);
    border: none;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 32px rgba(139, 92, 246, 0.3);
}

.btn-primary span,
.btn-primary i {
    position: relative;
    z-index: 1;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-primary);
    border: 2px solid rgba(226, 232, 240, 0.8);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(139, 92, 246, 0.05);
    color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 8px 24px rgba(139, 92, 246, 0.15);
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-medium);
}

.btn-outline:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--primary-color);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

/* ヒーローセクション */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: flex-end;
    position: relative;
    overflow: hidden;
    background: var(--gradient-secondary);
    padding-bottom: 8vh;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    opacity: 1;
}

.hero-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    pointer-events: none;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.08), rgba(236, 72, 153, 0.04));
    animation: float 6s ease-in-out infinite;
}

.decoration-circle-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    right: 15%;
    animation-delay: 0s;
}

.decoration-circle-2 {
    width: 200px;
    height: 200px;
    bottom: 20%;
    left: 10%;
    animation-delay: 2s;
}

.decoration-circle-3 {
    width: 150px;
    height: 150px;
    top: 50%;
    left: 70%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: left;
    max-width: 1000px;
    margin: 0 auto;
    padding: 6rem 2rem 4rem;
    transform: translateY(14vh);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    margin-bottom: 2rem;
    color: var(--text-primary);
    line-height: 1.1;
    letter-spacing: -0.04em;
    max-width: 800px;
}

.hero-subtitle {
    font-size: 1.375rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.7;
    font-weight: 400;
    letter-spacing: 0.01em;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 5rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.stat {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 2rem 1.5rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    border: 1px solid rgba(226, 232, 240, 0.5);
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.stat:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(139, 92, 246, 0.15);
    border-color: var(--primary-color);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    font-family: var(--font-heading);
    letter-spacing: -0.02em;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.75rem;
    font-weight: 500;
}

/* セクション共通スタイル */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title-icon {
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    margin: 0 auto 2rem;
    box-shadow: 0 16px 40px rgba(139, 92, 246, 0.25);
    animation: float 8s ease-in-out infinite;
}

.section-title {
    font-family: var(--font-heading);
    text-align: center;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin: 0;
    color: var(--text-primary);
    letter-spacing: -0.03em;
}

/* プロフィールセクション */
.about {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.about-content {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: start;
}

.profile-image-container {
    position: sticky;
    top: 120px;
}

.profile-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    object-fit: cover;
}

.about-text {
    text-align: left;
}

.about-description {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-weight: 400;
    letter-spacing: -0.005em;
}

.highlight-box {
    background: var(--primary-color);
    padding: 1.5rem;
    border-radius: 12px;
    margin-top: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.highlight-box i {
    font-size: 1.5rem;
    color: white;
}

.highlight-box p {
    margin: 0;
    color: white;
    font-size: 1rem;
    line-height: 1.6;
}

/* サービスセクション */
.services {
    padding: var(--section-padding);
    background: var(--bg-primary);
}

.service-block {
    margin-bottom: 3rem;
    transition: all 0.3s ease;
    border-radius: 16px;
    overflow: hidden;
}

.service-block:hover {
    transform: translateY(-5px);
}

.service-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.service-block:hover .service-icon {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
}

.service-main-title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    text-align: left;
    letter-spacing: -0.02em;
}

.service-content {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.service-block:hover .service-content {
    box-shadow: var(--shadow-lg);
    border-color: rgba(37, 99, 235, 0.2);
}

.service-features {
    display: grid;
    gap: 1.5rem;
}

.service-feature h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.service-feature p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0;
}

.service-feature ul {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    padding-left: 1.25rem;
}

/* 実績セクション */
.achievements-section {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(59, 130, 246, 0.03) 100%);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid rgba(37, 99, 235, 0.1);
}

.achievements-section h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    color: var(--primary-color);
}

.achievements-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.achievement-card {
    background: white;
    padding: 1.25rem;
    border-radius: 12px;
    border: 1px solid rgba(37, 99, 235, 0.1);
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.achievement-card:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.achievement-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.125rem;
    flex-shrink: 0;
}

.achievement-content h5 {
    margin: 0 0 0.25rem 0;
    font-size: 0.875rem;
    color: var(--primary-color);
    font-weight: 600;
    font-family: var(--font-heading);
}

.achievement-content p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.achievement-content strong {
    color: var(--primary-color);
    font-weight: 700;
}

/* メッセージセクション */
.message-section {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(5, 150, 105, 0.03) 100%);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid rgba(16, 185, 129, 0.15);
    position: relative;
    overflow: hidden;
}

.message-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #059669 100%);
}

.message-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.message-header i {
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.message-header h4 {
    margin: 0;
    color: var(--secondary-color);
    font-size: 1.25rem;
}

.message-content {
    position: relative;
}

.message-text {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin: 0;
    font-weight: 400;
    text-align: left;
}

.highlight-text {
    color: var(--secondary-color);
    font-weight: 600;
    position: relative;
    padding: 0 4px;
}

.highlight-text::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--secondary-color), transparent);
    opacity: 0.3;
}

.service-divider {
    border: none;
    height: 1px;
    background: var(--border-light);
    margin: 3rem 0;
}

/* 会社概要セクション */
.company {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.company-info {
    max-width: 700px;
    margin: 0 auto;
}

.company-details {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.company-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.company-item:last-child {
    margin-bottom: 0;
}

.company-item strong {
    color: var(--primary-color);
    font-weight: 600;
    min-width: 120px;
    margin-right: 1rem;
}

.company-item span {
    color: var(--text-secondary);
}

/* お問い合わせセクション */
.contact {
    padding: var(--section-padding);
    background: var(--bg-primary);
    text-align: center;
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.6;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.contact-method {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-light);
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.contact-method:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    color: white;
}

.contact-info h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.contact-info p {
    margin: 0;
}

.contact-info a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-info a:hover {
    color: var(--text-primary);
}

/* 特徴セクション（既存） */
.features {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(99, 102, 241, 0.1);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.feature-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: -0.015em;
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ライブストリーム一覧 */
.live-streams {
    padding: var(--section-padding);
    background: var(--bg-primary);
}

.streams-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stream-card {
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.stream-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.stream-thumbnail {
    position: relative;
    aspect-ratio: 16/9;
    background: var(--bg-tertiary);
    overflow: hidden;
}

.stream-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.live-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    background: var(--error-color);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.viewer-count {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: 4px;
}

.stream-info {
    padding: 1rem;
}

.stream-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.stream-creator {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.stream-category {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* フォロー中・おすすめセクション */
.following {
    padding: var(--section-padding);
    background: var(--bg-secondary);
}

.creators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.creator-card {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(99, 102, 241, 0.1);
    transition: all 0.3s ease;
}

.creator-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.creator-avatar {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
}

.creator-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-color);
}

.live-indicator {
    position: absolute;
    bottom: -2px;
    right: -2px;
    background: var(--error-color);
    color: white;
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 0.625rem;
    font-weight: 600;
    border: 2px solid var(--bg-card);
}

.creator-name {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.creator-category {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

/* CTAセクション */
.cta {
    padding: var(--section-padding);
    background: var(--bg-primary);
    text-align: center;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.cta-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* フッター */
.footer {
    background: var(--bg-secondary);
    padding: 3rem 0 1rem;
    border-top: 1px solid var(--border-light);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-color);
    letter-spacing: -0.02em;
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
}

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-list {
    list-style: none;
}

.footer-list li {
    margin-bottom: 0.5rem;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--primary-color);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-light);
}

.copyright {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    color: var(--text-secondary);
    border-radius: 50%;
    border: 1px solid var(--border-light);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

/* ユーティリティクラス */
.text-center {
    text-align: center;
}

/* レスポンシブデザイン */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero {
        padding-bottom: 5vh;
    }
    
    .hero-content {
        text-align: center;
        padding: 2.5rem 1.25rem 2rem;
        transform: translateY(8vh);
        max-width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.15;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        line-height: 1.6;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .creators-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .feature-card,
    .creator-card {
        padding: 1.5rem;
    }
    
    .streams-grid {
        grid-template-columns: 1fr;
    }
    
    .service-content,
    .company-details,
    .contact-method {
        padding: 1.5rem;
    }
    
    .service-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .service-main-title {
        text-align: center;
    }
    
    .service-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .achievement-card {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }
    
    .achievement-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .message-text {
        font-size: 1rem;
        text-align: center;
    }
    
    .achievements-section,
    .message-section {
        padding: 1.5rem;
    }
    
    .company-item {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }
    
    .company-item strong {
        min-width: auto;
        margin-right: 0;
        margin-bottom: 0.25rem;
    }
    
    .contact-methods {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .profile-image-container {
        position: static;
        text-align: center;
    }
    
    .profile-image {
        max-width: 300px;
    }
}

/* アニメーション */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* モーダル共通スタイル */
.video-modal,
.contact-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.video-modal.show,
.contact-modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal-content {
    background: var(--bg-card);
    border-radius: 12px;
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-light);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    color: white;
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    transition: background 0.3s ease;
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.7);
}

/* ビデオモーダル */
.video-container {
    width: 100%;
    min-width: 400px;
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-placeholder {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.video-placeholder i {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.video-placeholder h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.video-placeholder p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.video-placeholder small {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* お問い合わせフォームモーダル */
.contact-modal .modal-content {
    width: 100%;
    max-width: 600px;
}

.form-container {
    padding: 2rem;
}

.form-container h3 {
    color: var(--text-primary);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.required {
    color: var(--error-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* モバイル対応 */
@media (max-width: 768px) {
    .modal-overlay {
        padding: 1rem;
    }
    
    .video-container {
        min-width: 300px;
    }
    
    .video-placeholder {
        padding: 2rem 1rem;
    }
    
    .video-placeholder i {
        font-size: 3rem;
    }
    
    .form-container {
        padding: 1.5rem;
    }
    
    .contact-modal .modal-content {
        max-width: 95vw;
    }
}

/* ハンバーガーメニュー用CSS */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--bg-primary);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 3rem 2rem;
        gap: 1rem;
        transition: right 0.3s ease;
        box-shadow: var(--shadow-lg);
        border-left: 1px solid var(--border-light);
        backdrop-filter: blur(10px);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu .nav-item {
        width: 100%;
        max-width: 280px;
    }
    
    .nav-link {
        font-size: 1.125rem;
        padding: 1rem 1.5rem;
        width: 100%;
        justify-content: center;
        border-radius: 12px;
        background: var(--bg-card);
        border: 1px solid var(--border-light);
        box-shadow: var(--shadow-sm);
    }
    
    .nav-link:hover {
        box-shadow: var(--shadow-md);
        border-color: var(--primary-color);
    }
    
    .nav-icon {
        width: 20px;
        height: 20px;
        font-size: 1rem;
    }
    
    .nav-text {
        font-weight: 600;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
}

/* スクロールバーカスタマイズ */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}