/* ============================================
   はりま産学交流会 - リブランディング
   ロゴの赤と青を基調としたデザイン
============================================ */

:root {
    /* プライマリカラー（青系） */
    --primary-blue: #284a94;
    --primary-blue-light: #3d5fb8;
    --primary-blue-dark: #1a3366;
    
    /* セカンダリカラー（赤系） */
    --accent-red: #b82b2c;
    --accent-red-light: #d63f40;
    --accent-red-dark: #8a2122;
    
    /* 旧カラー（互換性のため残す） */
    --old-blue: #003d7c;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', 'Meiryo', sans-serif;
    line-height: 1.8;
    color: #333;
    background: #fff;
    font-size: 16px;
    letter-spacing: 0.03em;
}

/* ============================================
   ヘッダー
============================================ */
header {
    background: #fff;
    border-bottom: 1px solid #e5e5e5;
    padding: 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: box-shadow 0.3s ease;
}

header:hover {
    box-shadow: 0 2px 8px rgba(40, 74, 148, 0.08);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.logo:hover {
    opacity: 0.85;
    transform: translateY(-1px);
}

.logo-image {
    height: 45px;
    width: auto;
    display: block;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--primary-blue);
    transition: all 0.3s ease;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    color: #333;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s;
    letter-spacing: 0.05em;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-blue-light));
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary-blue);
}

.nav-links a:hover::after {
    width: 100%;
}

/* ============================================
   ヒーローセクション
============================================ */
.hero {
    margin-top: 73px;
    background: url('/BcThemeSample/img/hero-bg.jpg') center center / cover no-repeat;
    background-attachment: fixed;
    padding: 8rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(40, 74, 148, 0.85) 0%,
        rgba(184, 43, 44, 0.75) 30%,
        rgba(40, 74, 148, 0.85) 100%
    );
    z-index: 1;
}

.hero-content-wrapper {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #fff, rgba(255, 255, 255, 0.5), #fff);
    background-size: 200% 100%;
    animation: gradientMove 8s ease infinite;
    z-index: 3;
}

@keyframes gradientMove {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero h1 {
    font-size: 2.75rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
    color: #fff;
    letter-spacing: 0.05em;
    line-height: 1.4;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.125rem;
    margin-bottom: 3rem;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 400;
    letter-spacing: 0.05em;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
}

.hero-badges {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.badge {
    background: rgba(255, 255, 255, 0.95);
    padding: 0.75rem 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    font-size: 0.875rem;
    color: var(--primary-blue);
    font-weight: 500;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.badge:hover {
    background: #fff;
    border-color: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

/* ============================================
   ボタン
============================================ */
.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 0.9375rem;
    letter-spacing: 0.05em;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, #fff, #f0f0f0);
    color: var(--primary-blue);
    background-size: 200% 200%;
    font-weight: 600;
}

.btn-primary:hover {
    background: #fff;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
    transform: translateY(-3px);
}

/* コンテストバナー以降のプライマリボタン */
.contest-banner .btn-primary,
.container .btn-primary,
.cta-section .btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    color: white;
}

.contest-banner .btn-primary:hover,
.container .btn-primary:hover,
.cta-section .btn-primary:hover {
    background-position: 100% 0;
    box-shadow: 0 4px 12px rgba(40, 74, 148, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 1);
    color: var(--primary-blue);
    border-color: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* コンテナ内やホワイト背景での btn-secondary */
.container .btn-secondary,
.contact-section .btn-secondary,
.cta-section .btn-secondary {
    background: white;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
    backdrop-filter: none;
}

.container .btn-secondary:hover,
.contact-section .btn-secondary:hover,
.cta-section .btn-secondary:hover {
    background: var(--primary-blue);
    color: white;
    border-color: var(--primary-blue);
}

/* ============================================
   コンテスト告知
============================================ */
.contest-banner {
    background: url('/BcThemeSample/img/procon.jpg') center center no-repeat;
    background-size: contain;
    color: white;
    padding: 4rem 2rem;
    text-align: center;
    position: relative;
}

.contest-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(40, 74, 148, 0.88) 0%, rgba(184, 43, 44, 0.85) 50%, rgba(40, 74, 148, 0.88) 100%);
    z-index: 0;
}

.contest-content {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.contest-label {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    padding: 0.5rem 1.25rem;
    margin-bottom: 1.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    backdrop-filter: blur(10px);
}

.contest-title {
    font-size: 2.25rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    line-height: 1.4;
}

.contest-description {
    font-size: 1.0625rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    letter-spacing: 0.05em;
    line-height: 1.8;
}

.contest-stats {
    display: flex;
    gap: 3rem;
    justify-content: center;
    flex-wrap: wrap;
    margin: 2.5rem 0;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 300;
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
    letter-spacing: 0.05em;
}

.contest-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   メインコンテンツ
============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 5rem 2rem;
}

.section-title {
    font-size: 2rem;
    text-align: left;
    margin-bottom: 3rem;
    font-weight: 600;
    color: var(--primary-blue);
    letter-spacing: 0.05em;
}

.section-title-center {
    text-align: center;
}

.lead-text {
    text-align: center;
    font-size: 1.0625rem;
    color: #666;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

/* ============================================
   カードグリッド
============================================ */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.card {
    background: white;
    border: 1px solid #e5e5e5;
    overflow: hidden;
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 4px 16px rgba(40, 74, 148, 0.1);
    transform: translateY(-4px);
    border-color: var(--primary-blue);
}

.card-header {
    background: #f8f9fa;
    padding: 2rem;
    border-bottom: 1px solid #e5e5e5;
    transition: background 0.3s ease;
}

.card:hover .card-header {
    background: linear-gradient(135deg, #f0f7ff, #f8f9fa);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary-blue);
    letter-spacing: 0.05em;
}

.card-body {
    padding: 2rem;
}

.card-description {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-size: 0.9375rem;
}

.card-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.2s;
}

.card-link:hover {
    gap: 0.75rem;
}

/* ============================================
   イベントハイライト（次回イベント案内）
============================================ */
.event-highlight {
    background: url('/BcThemeSample/img/sozorekai.jpg') center center no-repeat;
    background-size: contain;
    border: 2px solid var(--primary-blue);
    padding: 3rem;
    margin: 0 auto;
    max-width: 900px;
    position: relative;
}

.event-highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.92);
    z-index: 0;
}

.event-highlight > * {
    position: relative;
    z-index: 1;
}

.event-highlight-title {
    font-size: 1.75rem;
    color: var(--primary-blue);
    font-weight: 600;
    text-align: center;
    margin-bottom: 2rem;
    letter-spacing: 0.05em;
}

.event-highlight-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.event-highlight-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.info-row {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid #e5e5e5;
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    font-weight: 600;
    color: var(--primary-blue);
    min-width: 100px;
    font-size: 0.9375rem;
}

.info-value {
    color: #333;
    font-size: 0.9375rem;
}

.event-highlight-cta {
    text-align: center;
    padding-top: 1rem;
}

/* ============================================
   イベント情報
============================================ */
.event-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.event-item {
    background: white;
    padding: 2.5rem;
    border: 1px solid #e5e5e5;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 2.5rem;
    align-items: center;
    transition: all 0.3s ease;
}

.event-item:hover {
    box-shadow: 0 4px 16px rgba(40, 74, 148, 0.1);
    border-color: var(--primary-blue);
    transform: translateX(4px);
}

.event-date {
    text-align: center;
    background: #f8f9fa;
    border: 1px solid #e5e5e5;
    padding: 1.5rem 1rem;
    min-width: 100px;
    transition: all 0.3s ease;
}

.event-item:hover .event-date {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    border-color: var(--primary-blue);
}

.event-month {
    font-size: 0.75rem;
    color: #666;
    font-weight: 500;
    letter-spacing: 0.1em;
    margin-bottom: 0.25rem;
    transition: color 0.3s ease;
}

.event-item:hover .event-month {
    color: rgba(255, 255, 255, 0.9);
}

.event-day {
    font-size: 2rem;
    font-weight: 300;
    display: block;
    color: var(--primary-blue);
    transition: color 0.3s ease;
}

.event-item:hover .event-day {
    color: white;
}

.event-info h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--primary-blue);
    font-weight: 600;
    letter-spacing: 0.05em;
}

.event-details {
    color: #666;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.event-meta {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: #666;
}

/* ============================================
   ビデオセクション
============================================ */
.video-section {
    background: linear-gradient(135deg, #f0f7ff 0%, #f8f9fa 100%);
    padding: 5rem 2rem;
}

.video-cta {
    text-align: center;
    margin-top: 2rem;
}

/* ============================================
   メニューグリッド
============================================ */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.menu-card {
    background: white;
    border: 1px solid #e5e5e5;
    padding: 2.5rem 2rem;
    text-align: center;
    text-decoration: none;
    transition: all 0.3s ease;
    display: block;
}

.menu-card:hover {
    box-shadow: 0 4px 16px rgba(40, 74, 148, 0.12);
    transform: translateY(-4px);
    border-color: var(--primary-blue);
}

.menu-card-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.menu-card-title {
    font-size: 1.125rem;
    color: var(--primary-blue);
    font-weight: 600;
    letter-spacing: 0.05em;
    margin: 0;
}

/* ============================================
   実績セクション
============================================ */
.achievements {
    background: linear-gradient(135deg, #f8f9fa 0%, #f0f7ff 100%);
    padding: 5rem 2rem;
    margin: 5rem 0;
}

.achievement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.achievement-item {
    text-align: center;
    padding: 2.5rem 1.5rem;
    background: white;
    border: 1px solid #e5e5e5;
    transition: all 0.3s ease;
}

.achievement-item:hover {
    box-shadow: 0 4px 16px rgba(40, 74, 148, 0.12);
    transform: translateY(-4px);
    border-color: var(--primary-blue);
}

.achievement-number {
    font-size: 3rem;
    font-weight: 300;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.achievement-label {
    color: #666;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
}

/* ============================================
   連携組織
============================================ */
.partner-category {
    margin-bottom: 3rem;
}

.partner-category-title {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--primary-blue);
    font-weight: 600;
    letter-spacing: 0.05em;
}

.tags {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.tag {
    background: #f8f9fa;
    color: #666;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    border: 1px solid #e5e5e5;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
}

.tag:hover {
    background: var(--primary-blue);
    color: white;
    border-color: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(0, 61, 124, 0.15);
}

.cta-box {
    margin-top: 3rem;
    padding: 2rem;
    background: #f8f9fa;
    border: 1px solid #e5e5e5;
    text-align: center;
}

.cta-box p {
    color: #666;
    margin-bottom: 1.5rem;
    font-size: 1.0625rem;
}

/* ============================================
   CTAセクション
============================================ */
.cta-section {
    text-align: center;
    padding: 5rem 2rem;
    background: #f8f9fa;
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--primary-blue);
    letter-spacing: 0.05em;
}

.cta-section p {
    font-size: 1.0625rem;
    color: #666;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

/* ============================================
   お問い合わせセクション
============================================ */
.contact-section {
    background: white;
    padding: 5rem 0;
}

.contact-section .cta-buttons {
    justify-content: center;
}

/* ============================================
   フッター
============================================ */
footer {
    background: #1a1a1a;
    color: white;
    padding: 4rem 2rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    margin-bottom: 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.footer-section p {
    color: #999;
    line-height: 1.8;
    font-size: 0.875rem;
}

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

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: #999;
    text-decoration: none;
    transition: color 0.2s;
    font-size: 0.875rem;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #333;
    color: #666;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-column a {
    color: #66a3ff;
    text-decoration: none;
}

.footer-column a:hover {
    text-decoration: none;
    opacity: 0.8; 
}

/* ============================================
   レスポンシブ
============================================ */
@media (max-width: 768px) {
    .hero {
        padding: 4rem 1.5rem;
        background-attachment: scroll;
        min-height: 500px;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .contest-title {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem 2rem;
        border-bottom: 1px solid #e5e5e5;
        gap: 1rem;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a::after {
        display: none;
    }

    .event-item {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1.5rem;
    }

    .event-date {
        margin: 0 auto;
    }

    .event-meta {
        justify-content: center;
    }

    nav {
        padding: 1rem 1.5rem;
    }

    .logo-image {
        height: 35px;
    }

    .contest-stats {
        gap: 2rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

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

    .achievement-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .event-highlight {
        padding: 2rem;
    }

    .event-highlight-title {
        font-size: 1.5rem;
    }

    .info-row {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }

    .info-label {
        min-width: auto;
    }

    .menu-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .logo-image {
        height: 30px;
    }

    .hero {
        min-height: 450px;
        padding: 3rem 1rem;
    }

    .hero h1 {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 0.9375rem;
    }

    .hero-badges {
        gap: 1rem;
    }

    .badge {
        padding: 0.625rem 1.25rem;
        font-size: 0.8125rem;
    }

    .contest-title {
        font-size: 1.25rem;
    }

    .btn {
        padding: 0.875rem 2rem;
        font-size: 0.875rem;
    }

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

    .event-highlight {
        padding: 1.5rem;
    }

    .event-highlight-title {
        font-size: 1.25rem;
    }

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

/* ============================================
   ヒーローセクション - シンプル版
============================================ */
.hero-simple {
    position: relative;
    height: 500px;
    background-image: url('/BcThemeSample/img/hero-industry-academic.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 50px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(0, 61, 124, 0.75) 0%,
        rgba(0, 74, 153, 0.65) 50%,
        rgba(0, 61, 124, 0.75) 100%
    );
}

.hero-content-simple {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #fff;
    max-width: 1200px;
    padding: 0 2rem;
}

.hero-content-simple h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.hero-subtitle-simple {
    font-size: 1.125rem;
    font-weight: 400;
    opacity: 0.95;
    letter-spacing: 0.05em;
}

/* ============================================
   メニューセクション - コンパクト版
============================================ */
.menu-section {
    background: #f8f9fa;
    padding: 2rem 0;
    border-bottom: 1px solid #e5e5e5;
}

.menu-grid-compact {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
}

.menu-card-compact {
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    padding: 1.25rem;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    position: relative;
}

.menu-card-compact a::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.menu-card-compact:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 4px 12px rgba(40, 74, 148, 0.1);
    transform: translateY(-2px);
}

.menu-card-compact h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
    letter-spacing: 0.02em;
}

.menu-card-compact p {
    font-size: 0.75rem;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

.menu-card-compact a {
    text-decoration: none; 
    color: inherit; 
    display: block;
}

/* ============================================
   イベントセクション
============================================ */
.event-section {
    padding: 2rem 2rem;
}

/* ============================================
   コンテストセクション - コンパクト版
============================================ */
.contest-section {
    background: linear-gradient(135deg, #e3f2fd, #f3e5f5);
    padding: 2rem 0;
    border-top: 1px solid #e5e5e5;
    border-bottom: 1px solid #e5e5e5;
}

.contest-content-compact {
    max-width: 1200px;
    margin: 0 auto;
}

.contest-header {
    margin-bottom: 1rem;
}

.contest-label {
    display: inline-block;
    background: #ff6b6b;
    color: #fff;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.contest-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    letter-spacing: 0.02em;
}

.contest-description {
    font-size: 0.95rem;
    color: #333;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.contest-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.detail-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.detail-value {
    font-size: 0.9rem;
    color: #333;
}

.contest-cta {
    text-align: left;
}

/* ============================================
   Aboutセクション
============================================ */
.about-section {
    padding: 2rem 2rem;
}

.about-content {
    max-width: 1000px;
    margin: 0 auto;
}

.about-text {
    font-size: 0.95rem;
    line-height: 1.9;
    color: #333;
    margin-bottom: 2rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.stat-label {
    font-size: 0.875rem;
    color: #666;
}

/* ============================================
   活動内容セクション
============================================ */
.activities-section {
    padding: 2rem 2rem;
    background: #f8f9fa;
}

.activities-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.activity-card {
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    padding: 0;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.activity-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 61, 124, 0.15);
}

.activity-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.activity-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.activity-card:hover .activity-image img {
    transform: scale(1.05);
}

.activity-card h3,
.activity-card p {
    padding: 0 1.5rem;
}

.activity-card h3 {
    padding-top: 1.5rem;
}

.activity-card p {
    padding-bottom: 1.5rem;
}

.activity-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 0.75rem;
}

.activity-description {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.8;
}

/* ============================================
   メリットセクション
============================================ */
.benefits-section {
    padding: 2rem 0;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.benefit-card {
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    padding: 1.5rem;
}

.benefit-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #e3f2fd;
}

.benefit-list {
    list-style: none;
    padding: 0;
}

.benefit-list li {
    font-size: 0.9rem;
    color: #666;
    padding: 0.5rem 0;
    padding-left: 1.25rem;
    position: relative;
}

.benefit-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: 600;
}

/* ============================================
   会員企業セクション
============================================ */
.members-section {
    padding: 2rem 2rem;
}

.section-description {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.8;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 2rem;
}

/* ============================================
   連携組織セクション
============================================ */
.partners-section-wrapper {
    position: relative;
    background-image: url('/BcThemeSample/img/himeji-castle-modern.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.partners-section-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.92);
    z-index: 0;
}

.partners-section {
    position: relative;
    z-index: 1;
    padding: 2rem 2rem;
}

/* ============================================
   お問い合わせセクション
============================================ */
.contact-section {
    padding: 2rem 0;
}

.contact-info-grid {
    max-width: 800px;
    margin: 0 auto 2rem;
}

.contact-label {
    font-weight: 600;
    color: var(--primary-blue);
    min-width: 80px;
}

.contact-value {
    color: #333;
}

/* ============================================
   レスポンシブ対応
============================================ */
@media (max-width: 1024px) {
    .menu-grid-compact {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-simple {
        height: 400px;
    }
    
    .hero-content-simple h1 {
        font-size: 1.75rem;
    }
    
    .hero-subtitle-simple {
        font-size: 0.95rem;
    }
    
    .menu-grid-compact {
        grid-template-columns: 1fr;
    }
    
    .activities-grid {
        grid-template-columns: 1fr;
    }
    
    .contest-details {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

/* ============================================
   赤色アクセント要素
============================================ */

/* 重要なCTAボタンに赤色を使用 */
.btn-accent {
    background: linear-gradient(135deg, var(--accent-red), var(--accent-red-light));
    color: white;
    padding: 1rem 2.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 0.9375rem;
    letter-spacing: 0.05em;
    position: relative;
    overflow: hidden;
}

.btn-accent:hover {
    background: linear-gradient(135deg, var(--accent-red-dark), var(--accent-red));
    box-shadow: 0 6px 20px rgba(184, 43, 44, 0.4);
    transform: translateY(-3px);
}

/* 赤色のバッジ */
.badge-accent {
    background: var(--accent-red);
    color: white;
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    display: inline-block;
    transition: all 0.3s ease;
}

.badge-accent:hover {
    background: var(--accent-red-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(184, 43, 44, 0.3);
}

/* セクションタイトルに赤のアクセント */
.section-title-accent {
    font-size: 2rem;
    text-align: left;
    margin-bottom: 3rem;
    font-weight: 600;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.05em;
}

/* 赤青グラデーションボーダー */
.border-gradient {
    border: 2px solid transparent;
    background-image: linear-gradient(white, white), 
                      linear-gradient(90deg, var(--primary-blue), var(--accent-red));
    background-origin: border-box;
    background-clip: padding-box, border-box;
}

/* ホバー時に赤色に変化するリンク */
.link-red-hover {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

.link-red-hover:hover {
    color: var(--accent-red);
}

/* 赤青グラデーション背景セクション */
.section-gradient-bg {
    background: linear-gradient(135deg, 
                rgba(40, 74, 148, 0.05) 0%, 
                rgba(184, 43, 44, 0.05) 50%, 
                rgba(40, 74, 148, 0.05) 100%);
    padding: 5rem 2rem;
}