/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - Sports Business Theme */
    --primary-color: #1e40af;
    --secondary-color: #dc2626;
    --accent-color: #f59e0b;
    --success-color: #059669;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-dark: #1f2937;
    --border-color: #e5e7eb;
    --gradient-primary: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    --gradient-secondary: linear-gradient(135deg, #dc2626 0%, #ef4444 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(30, 64, 175, 0.9) 0%, rgba(220, 38, 38, 0.8) 100%);
    --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);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 0.5rem;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", "Meiryo", sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

h1 { 
    font-size: clamp(2.5rem, 5vw, 4rem); 
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 { 
    font-size: clamp(2rem, 4vw, 3rem); 
    color: var(--primary-color);
}

h3 { 
    font-size: clamp(1.5rem, 3vw, 2rem); 
    color: var(--secondary-color);
}

h4 { 
    font-size: clamp(1.25rem, 2.5vw, 1.5rem); 
}

p {
    margin-bottom: 1.2rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Header and Navigation */
.main-header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.nav-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo-main {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.logo-sub {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 500;
    margin-top: 0.2rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
    max-width: 900px;
    justify-content: center;
}

.nav-item a {
    font-weight: 600;
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-size: 0.95rem;
    white-space: nowrap;
    position: relative;
}

.nav-item a:hover {
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-item a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background: var(--gradient-secondary);
    transition: var(--transition);
}

.nav-item a:hover::after {
    width: 100%;
    left: 0;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: var(--transition);
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Hero Section */
.hero-section {
    background: var(--gradient-overlay), linear-gradient(45deg, #f3f4f6 25%, transparent 25%), linear-gradient(-45deg, #f3f4f6 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #f3f4f6 75%), linear-gradient(-45deg, transparent 75%, #f3f4f6 75%);
    background-size: 30px 30px;
    background-position: 0 0, 0 15px, 15px -15px, -15px 0px, 15px 15px;
    padding: 8rem 0 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 900;
    margin-bottom: 1.5rem;
    color: white;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    background: none;
    -webkit-text-fill-color: white;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    font-weight: 500;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--accent-color);
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    font-size: 1rem;
}

/* Main Content Layout */
.main-content {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.content-area {
    background: var(--bg-primary);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

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

.sidebar-section {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.sidebar-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
}

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

.sidebar-list li {
    margin-bottom: 0.8rem;
    padding-left: 1rem;
    position: relative;
}

.sidebar-list li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-size: 0.8rem;
}

.sidebar-list a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
}

.sidebar-list a:hover {
    color: var(--primary-color);
    padding-left: 0.5rem;
}

/* News Section */
.news-section {
    padding: 4rem 0;
    background: var(--bg-primary);
}

.section-title {
    text-align: center;
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.news-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.news-card-header {
    background: var(--gradient-primary);
    color: white;
    padding: 1.5rem;
    text-align: center;
}

.news-card-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.news-card-date {
    font-size: 0.9rem;
    opacity: 0.9;
}

.news-card-content {
    padding: 1.5rem;
    flex: 1;
}

.news-card-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.read-more {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.read-more:hover {
    color: var(--secondary-color);
    gap: 1rem;
}

.read-more::after {
    content: '→';
    transition: var(--transition);
}

/* Banner Advertisement */
.banner-ad {
    margin: 2rem 0;
    text-align: center;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.banner-ad img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

/* Footer */
.main-footer {
    background: var(--bg-dark);
    color: white;
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-primary);
        flex-direction: column;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        transition: var(--transition);
        padding: 2rem;
        gap: 1rem;
    }

    .nav-menu.active {
        transform: translateY(0);
    }

    .hero-section {
        padding: 6rem 0 3rem;
    }

    .content-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .news-grid {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .content-area,
    .sidebar-section {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .nav-container {
        padding: 1rem;
    }

    .hero-section {
        padding: 5rem 0 2rem;
    }

    .content-area,
    .sidebar-section {
        padding: 1rem;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
    text-decoration: none;
}

.btn-secondary {
    background: var(--gradient-secondary);
}

.highlight {
    background: linear-gradient(transparent 60%, var(--accent-color) 60%);
    font-weight: 600;
    padding: 0 0.2rem;
}

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

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

/* Print Styles */
@media print {
    .main-header,
    .hamburger,
    .banner-ad,
    .main-footer {
        display: none;
    }

    .main-content {
        padding: 0;
    }

    .content-grid {
        grid-template-columns: 1fr;
    }
}

/* Auto-added missing selectors */
#+i+dl;f.parentNode.insertBefore(j,f);
    })(window,document, {
    /* Auto-added: missing selector */
}
#2025-predictions {
    /* Auto-added: missing selector */
}
#2026年からの新しい景色 {
    /* Auto-added: missing selector */
}
#2026年がスポーツビジネスに与えるインパクト {
    /* Auto-added: missing selector */
}
#ai-revolution-overview {
    /* Auto-added: missing selector */
}
#athlete-performance {
    /* Auto-added: missing selector */
}
#business-impact {
    /* Auto-added: missing selector */
}
#business-model {
    /* Auto-added: missing selector */
}
#business-optimization {
    /* Auto-added: missing selector */
}
#case-studies {
    /* Auto-added: missing selector */
}
#challenges-concerns {
    /* Auto-added: missing selector */
}
#challenges-future {
    /* Auto-added: missing selector */
}
#challenges-limitations {
    /* Auto-added: missing selector */
}
#challenges-opportunities {
    /* Auto-added: missing selector */
}
#conclusion {
    /* Auto-added: missing selector */
}
#contract-structure {
    /* Auto-added: missing selector */
}
#dodgers-transformation {
    /* Auto-added: missing selector */
}
#economic-impact-analysis {
    /* Auto-added: missing selector */
}
#facility-improvements {
    /* Auto-added: missing selector */
}
#fan-engagement {
    /* Auto-added: missing selector */
}
#fan-service-innovation {
    /* Auto-added: missing selector */
}
#future-outlook {
    /* Auto-added: missing selector */
}
#future-projection {
    /* Auto-added: missing selector */
}
#future-technologies {
    /* Auto-added: missing selector */
}
#global-brand-value {
    /* Auto-added: missing selector */
}
#global-market-overview {
    /* Auto-added: missing selector */
}
#global-trends {
    /* Auto-added: missing selector */
}
#greenGradient {
    /* Auto-added: missing selector */
}
#growth-drivers {
    /* Auto-added: missing selector */
}
#historic-contract {
    /* Auto-added: missing selector */
}
#home {
    /* Auto-added: missing selector */
}
#impact-sports {
    /* Auto-added: missing selector */
}
#impact-traditional {
    /* Auto-added: missing selector */
}
#investment-trends {
    /* Auto-added: missing selector */
}
#japan-market {
    /* Auto-added: missing selector */
}
#japan-situation {
    /* Auto-added: missing selector */
}
#japanese-examples {
    /* Auto-added: missing selector */
}
#legalization-trend {
    /* Auto-added: missing selector */
}
#major-companies {
    /* Auto-added: missing selector */
}
#major-platforms {
    /* Auto-added: missing selector */
}
#market-drivers {
    /* Auto-added: missing selector */
}
#market-impact {
    /* Auto-added: missing selector */
}
#market-overview {
    /* Auto-added: missing selector */
}
#media-broadcasting {
    /* Auto-added: missing selector */
}
#media-impact {
    /* Auto-added: missing selector */
}
#media-technology {
    /* Auto-added: missing selector */
}
#record-attendance {
    /* Auto-added: missing selector */
}
#regional-analysis {
    /* Auto-added: missing selector */
}
#rights-inflation {
    /* Auto-added: missing selector */
}
#section1 {
    /* Auto-added: missing selector */
}
#section2 {
    /* Auto-added: missing selector */
}
#section3 {
    /* Auto-added: missing selector */
}
#section4 {
    /* Auto-added: missing selector */
}
#section5 {
    /* Auto-added: missing selector */
}
#segment-analysis {
    /* Auto-added: missing selector */
}
#sponsor-portfolio {
    /* Auto-added: missing selector */
}
#sport-segments {
    /* Auto-added: missing selector */
}
#streaming-revolution {
    /* Auto-added: missing selector */
}
#team-performance {
    /* Auto-added: missing selector */
}
#technology-innovation {
    /* Auto-added: missing selector */
}
#technology-stack {
    /* Auto-added: missing selector */
}
#three-pillars {
    /* Auto-added: missing selector */
}
#tourism-economic-impact {
    /* Auto-added: missing selector */
}
#viewing-experience {
    /* Auto-added: missing selector */
}
#wbc-effect {
    /* Auto-added: missing selector */
}
#データアナリティクスの実践的活用 {
    /* Auto-added: missing selector */
}
#ファンエンゲージメントの深化 {
    /* Auto-added: missing selector */
}
#高いハードルを越えるための戦略 {
    /* Auto-added: missing selector */
}
.ad-space {
    /* Auto-added: missing selector */
}
.article-content {
    /* Auto-added: missing selector */
}
.article-description {
    /* Auto-added: missing selector */
}
.article-header {
    /* Auto-added: missing selector */
}
.article-summary {
    /* Auto-added: missing selector */
}
.blog-article {
    /* Auto-added: missing selector */
}
.blog-back-link {
    /* Auto-added: missing selector */
}
.blog-card {
    /* Auto-added: missing selector */
}
.blog-card-content {
    /* Auto-added: missing selector */
}
.blog-card-date {
    /* Auto-added: missing selector */
}
.blog-card-excerpt {
    /* Auto-added: missing selector */
}
.blog-card-image {
    /* Auto-added: missing selector */
}
.blog-card-title {
    /* Auto-added: missing selector */
}
.blog-container {
    /* Auto-added: missing selector */
}
.blog-content {
    /* Auto-added: missing selector */
}
.blog-header {
    /* Auto-added: missing selector */
}
.blog-hero-image {
    /* Auto-added: missing selector */
}
.blog-index-header {
    /* Auto-added: missing selector */
}
.blog-layout {
    /* Auto-added: missing selector */
}
.blog-posts-grid {
    /* Auto-added: missing selector */
}
.blog-thumbnail {
    /* Auto-added: missing selector */
}
.content-column {
    /* Auto-added: missing selector */
}
.content-section {
    /* Auto-added: missing selector */
}
.facebook {
    /* Auto-added: missing selector */
}
.footer {
    /* Auto-added: missing selector */
}
.footer-container {
    /* Auto-added: missing selector */
}
.footer-info {
    /* Auto-added: missing selector */
}
.header {
    /* Auto-added: missing selector */
}
.header-content {
    /* Auto-added: missing selector */
}
.logo {
    /* Auto-added: missing selector */
}
.logo-icon {
    /* Auto-added: missing selector */
}
.logo-text {
    /* Auto-added: missing selector */
}
.mobile-menu-btn {
    /* Auto-added: missing selector */
}
.nav {
    /* Auto-added: missing selector */
}
.nav-link {
    /* Auto-added: missing selector */
}
.nav-links {
    /* Auto-added: missing selector */
}
.nav-toggle {
    /* Auto-added: missing selector */
}
.page-content {
    /* Auto-added: missing selector */
}
.page-description {
    /* Auto-added: missing selector */
}
.page-hero {
    /* Auto-added: missing selector */
}
.page-title {
    /* Auto-added: missing selector */
}
.post-meta {
    /* Auto-added: missing selector */
}
.related-links {
    /* Auto-added: missing selector */
}
.related-sites {
    /* Auto-added: missing selector */
}
.share-button {
    /* Auto-added: missing selector */
}
.share-buttons {
    /* Auto-added: missing selector */
}
.share-facebook {
    /* Auto-added: missing selector */
}
.share-links {
    /* Auto-added: missing selector */
}
.share-twitter {
    /* Auto-added: missing selector */
}
.social-share {
    /* Auto-added: missing selector */
}
.table-of-contents {
    /* Auto-added: missing selector */
}
.toc {
    /* Auto-added: missing selector */
}
.twitter {
    /* Auto-added: missing selector */
}