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

:root {
    /* Color Palette - Unique to Competitive Eating Business */
    --primary-color: #d32f2f;      /* Bold Red */
    --secondary-color: #1b3a4b;    /* Deep Navy */
    --accent-color: #ff9800;       /* Orange */
    --text-primary: #1a1a1a;
    --text-secondary: #4a5568;
    --bg-light: #fafafa;
    --bg-white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #d32f2f 0%, #ff5722 100%);
    --gradient-dark: linear-gradient(135deg, #1b3a4b 0%, #0d1b2a 100%);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.12);
    --shadow-lg: 0 10px 20px rgba(0,0,0,0.15);
    --shadow-xl: 0 20px 30px rgba(0,0,0,0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

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

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

/* Header and Navigation */
.main-header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-sub {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-left: 0.5rem;
}

.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: 500;
    color: var(--text-primary);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    transition: var(--transition);
    font-size: 0.9rem;
    white-space: nowrap;
    position: relative;
}

.nav-item a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-item a:hover::after {
    width: 80%;
}

.nav-item a:hover {
    background-color: rgba(211, 47, 47, 0.1);
    color: var(--primary-color);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

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

/* Hero Section */
.hero {
    background: var(--gradient-dark);
    color: white;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('images/hero.png') center/cover;
    opacity: 0.3;
    z-index: 1;
}

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

.hero h1 {
    margin-bottom: 1.5rem;
    color: white;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    color: #f0f0f0;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    color: white;
}

/* Two Column Layout */
.content-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.main-content {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.sidebar {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    height: fit-content;
    position: sticky;
    top: 100px;
}

/* Section Styles */
.section {
    padding: 4rem 0;
    background: white;
}

.section:nth-child(even) {
    background: var(--bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Card Styles */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid rgba(211, 47, 47, 0.1);
}

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

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* News List */
.news-list {
    list-style: none;
    margin: 2rem 0;
}

.news-item {
    padding: 1rem;
    border-left: 4px solid var(--primary-color);
    background: rgba(211, 47, 47, 0.05);
    margin-bottom: 1rem;
    border-radius: 0 8px 8px 0;
}

.news-date {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.news-title {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.news-summary {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Latest News Spotlight */
.latest-news-section {
    margin-top: 3rem;
    padding-top: 3rem;
}

.latest-news-list {
    display: grid;
    gap: 1rem;
}

.latest-news-list .news-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 14px;
    padding: 1.25rem;
    border: 1px solid rgba(211, 47, 47, 0.15);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.latest-news-list .news-item.highlight {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.news-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    gap: 1rem;
    width: 100%;
}

.news-icon {
    font-size: 2rem;
    line-height: 1;
}

.latest-news-list .news-title {
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.latest-news-list .news-summary {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.95rem;
}

.latest-news-footer {
    margin-top: 1.5rem;
}

.news-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    padding: 0.75rem 1.25rem;
    border-radius: 999px;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.news-cta:hover {
    background: var(--primary-color);
    color: #fff;
}

/* Sidebar Styles */
.sidebar-section {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #eee;
}

.sidebar-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

.sidebar-nav li {
    margin-bottom: 0.5rem;
}

.sidebar-nav a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 0.3rem 0;
    display: block;
    transition: var(--transition);
}

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

/* Ad Banner Styles */
.ad-banner {
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    border: 1px dashed #ccc;
    text-align: center;
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 8px;
    color: #666;
    font-size: 0.9rem;
}

.inline-ad {
    margin: 3rem 0;
}

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

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

.footer-section h3 {
    color: white;
    margin-bottom: 1rem;
}

.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: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

/* Statistics and Data */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.stat-card {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border-top: 4px solid var(--primary-color);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        box-shadow: var(--shadow-lg);
        flex-direction: column;
        padding: 1rem;
        gap: 0.5rem;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-item a {
        padding: 1rem;
        border-radius: 8px;
        width: 100%;
        text-align: center;
    }
    
    .content-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .sidebar {
        position: static;
    }
    
    .hero {
        padding: 100px 0 60px;
        min-height: 60vh;
    }
    
    .card-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 1rem;
    }
    
    .hero-content {
        padding: 0 1rem;
    }
    
    .main-content,
    .sidebar {
        padding: 1.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-30px);
    animation: slideInLeft 0.6s ease forwards;
}

@keyframes slideInLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.py-1 { padding: 1rem 0; }
.py-2 { padding: 2rem 0; }

/* Special Highlight Boxes */
.highlight-box {
    background: linear-gradient(135deg, rgba(211, 47, 47, 0.1) 0%, rgba(255, 152, 0, 0.1) 100%);
    border-left: 4px solid var(--primary-color);
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 0 8px 8px 0;
}

.highlight-box h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Table Styles */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.data-table th,
.data-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.data-table th {
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
}

.data-table tr:hover {
    background: rgba(211, 47, 47, 0.05);
}



/* === Mobile fix v3 (auto-injected) === */
html, body { overflow-x: hidden; }
img, video, iframe, table { max-width: 100%; }

@media (max-width: 768px) {
  /* ヒーローテキストがviewportからはみ出さないようにする */
  h1, h2, h3 {
    font-size: clamp(1.3rem, 5vw, 2.5rem) !important;
    word-break: break-word;
    overflow-wrap: break-word;
  }
  p, li, td, th, span, a {
    overflow-wrap: break-word;
    word-break: break-word;
  }
  /* 全要素の幅を100vw以内に */
  .container, main, section, article, header, footer, nav,
  [class*="container"], [class*="wrapper"], [class*="content"] {
    max-width: 100vw;
    padding-left: max(1rem, env(safe-area-inset-left));
    padding-right: max(1rem, env(safe-area-inset-right));
  }
}
/* === End Mobile fix v3 === */