```css
/*
Theme Name: JIN Child
Template: jin
Version: 1.0
Author: Aichi Exchange
Description: 愛知交流会のカスタムテーマ
*/

/* ============================================================
 * AICHI EXCHANGE - BRAND COLORS & FONTS
 * ============================================================ */

:root {
    --color-primary: #1E40AF;
    --color-secondary: #EA580C;
    --color-background: #FFFFFF;
    --color-foreground: #1F2937;
    --color-muted: #F3F4F6;
    --color-border: #E5E7EB;
    --font-sans: "Noto Sans JP", sans-serif;
    --radius: 0.65rem;
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Noto Sans JP', sans-serif !important;
    color: var(--color-foreground);
    line-height: 1.6;
}

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

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

/* ============================================================
 * ヘッダー・ナビゲーション設定 (横並び & ドット消去)
 * ============================================================ */

#header {
    border-top: 5px solid var(--color-secondary) !important;
    background-color: var(--color-primary) !important;
}

/* 1. ナビゲーション全体の箇条書きドットと余白をリセット */
.navigation, 
.navigation ul, 
.navigation li, 
.navigation-inner ul, 
.menu-box, 
#g-menu .g-menu-list {
    list-style: none !important;
    list-style-type: none !important;
    padding: 0 !important;
    margin: 0 !important;
    text-indent: 0 !important;
    background-color: var(--color-primary) !important;
}

/* 前後の「・」などのJIN標準の擬似要素を強制消去 */
.navigation li::before, 
.navigation li::after,
.navigation-inner li::before,
#g-menu .g-menu-list li::before {
    content: none !important;
    display: none !important;
}

/* 2. メニューを中央寄せで横並びに固定 */
.navigation,
.navigation-inner {
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
}

.navigation ul,
#g-menu .g-menu-list,
.navigation-inner ul {
    display: flex !important;
    flex-direction: row !important; /* 横一列 */
    flex-wrap: wrap;
    justify-content: center !important;
    align-items: center !important;
    width: 100%;
}

/* 3. 各項目のリンクデザイン */
.navigation a,
#g-menu .g-menu-list a,
.navigation-inner a {
    display: block !important;
    padding: 18px 25px !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    color: #ffffff !important;
    text-decoration: none !important;
    transition: all 0.3s ease !important;
    border-bottom: 3px solid transparent !important;
}

.navigation a:hover,
#g-menu .g-menu-list a:hover {
    background-color: rgba(255, 255, 255, 0.1) !important;
    color: var(--color-secondary) !important;
    border-bottom-color: var(--color-secondary) !important;
}

/* モバイル対応：縦並びを回避しつつ横スクロールまたは折り返し */
@media (max-width: 768px) {
    .navigation ul,
    #g-menu .g-menu-list {
        flex-direction: row !important;
        justify-content: space-around !important;
    }

    .navigation a,
    #g-menu .g-menu-list a {
        padding: 12px 15px !important;
        font-size: 14px !important;
    }
}

/* ============================================================
 * ホームページ - ヒーロー セクション
 * ============================================================ */

.hero-section {
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.85) 0%, rgba(15, 40, 71, 0.85) 100%),
                url('https://images.unsplash.com/photo-1511632765486-a01980e01a18?q=80&w=2000' );
    background-size: cover;
    background-position: center;
    color: white;
    padding: 120px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

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

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: 1.6;
    margin-bottom: 40px;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-buttons .btn {
    padding: 12px 30px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-decoration: none;
}

.hero-buttons .btn-primary {
    background-color: white;
    color: #1E40AF;
}

.hero-buttons .btn-primary:hover {
    background-color: #f3f4f6;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.hero-buttons .btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.hero-buttons .btn-secondary:hover {
    background-color: white;
    color: #1E40AF;
    transform: translateY(-2px);
}

/* ============================================================
 * セクション共通スタイル
 * ============================================================ */

.section-wrapper {
    width: 100%;
    padding: 60px 0;
}

.section-wrapper.light {
    background-color: #f9fafb;
}

.section-wrapper.dark {
    background-color: #1f2937;
    color: white;
}

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

.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: #6B7280;
    font-size: 1.125rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================================
 * 特徴セクション
 * ============================================================ */

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-card {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
    border-color: #1E40AF;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #1E40AF 0%, #3B82F6 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 28px;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1E40AF;
    margin-bottom: 15px;
}

.feature-description {
    color: #6b7280;
    line-height: 1.8;
    font-size: 0.95rem;
}

/* ============================================================
 * イベント セクション
 * ============================================================ */

.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.event-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border-top: 4px solid #1E40AF;
}

.event-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.event-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background-color: #f3f4f6;
}

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

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

.event-content {
    padding: 25px;
}

.event-date {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: #f3f4f6;
    color: #1E40AF;
    padding: 8px 15px;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.event-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 10px;
}

.event-location {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #6b7280;
    font-size: 0.875rem;
    margin-bottom: 15px;
}

.event-description {
    color: #6b7280;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.event-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #1E40AF;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.event-link:hover {
    color: #EA580C;
    transform: translateX(5px);
}

/* ============================================================
 * ターゲットオーディエンス セクション
 * ============================================================ */

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
    margin-top: 50px;
}

.audience-card {
    background: white;
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.audience-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
    border-color: #EA580C;
}

.audience-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #1E40AF 0%, #3B82F6 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    margin: 0 auto 15px;
}

.audience-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: #1E40AF;
    margin-bottom: 10px;
}

.audience-description {
    color: #6b7280;
    font-size: 0.875rem;
}

/* ============================================================
 * FAQ セクション
 * ============================================================ */

.faq-container {
    max-width: 800px;
    margin: 50px auto 0;
}

.faq-item {
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: #1E40AF;
}

.faq-question {
    width: 100%;
    padding: 20px;
    background-color: white;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.125rem;
    font-weight: 600;
    color: #1E40AF;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background-color: #f9fafb;
}

.faq-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    background-color: #f3f4f6;
    border-radius: 50%;
    color: #EA580C;
    font-size: 18px;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.open .faq-toggle {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 20px;
    background-color: #f9fafb;
    border-top: 1px solid #e5e7eb;
    color: #6b7280;
    line-height: 1.8;
    display: none;
}

.faq-item.open .faq-answer {
    display: block;
}

.faq-answer p {
    margin: 0;
}

/* ============================================================
 * CTA セクション
 * ============================================================ */

.cta-section {
    background: linear-gradient(135deg, #1E40AF 0%, #EA580C 100%);
    color: white;
    padding: 60px 20px;
    text-align: center;
    border-radius: 12px;
    margin: 60px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.cta-description {
    font-size: 1.125rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn {
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-decoration: none;
}

.cta-buttons .btn-primary {
    background-color: white;
    color: #1E40AF;
}

.cta-buttons .btn-primary:hover {
    background-color: #f3f4f6;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.cta-buttons .btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.cta-buttons .btn-secondary:hover {
    background-color: white;
    color: #1E40AF;
    transform: translateY(-2px);
}

/* ============================================================
 * ボタン共通スタイル
 * ============================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background-color: #1E3A8A;
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: #D94D00;
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: white;
}

/* ============================================================
 * レスポンシブ対応
 * ============================================================ */

@media (max-width: 768px) {
    .section-title {
        font-size: 1.75rem;
    }

    .hero-title {
        font-size: clamp(1.5rem, 4vw, 2.5rem);
    }

    .hero-section {
        padding: 80px 20px;
    }

    .features-grid,
    .events-grid,
    .audience-grid {
        grid-template-columns: 1fr;
    }

    .cta-section {
        padding: 40px 20px;
    }

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

@media (max-width: 480px) {
    .section-title {
        font-size: 1.5rem;
    }

    .hero-title {
        font-size: clamp(1.3rem, 3vw, 2rem);
    }

    .hero-section {
        padding: 60px 15px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
        text-align: center;
    }

    .features-grid,
    .events-grid,
    .audience-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .faq-question {
        font-size: 1rem;
        padding: 15px;
    }

    .faq-answer {
        padding: 15px;
    }

    .cta-section {
        padding: 30px 15px;
    }

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

    .cta-description {
        font-size: 1rem;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .cta-buttons .btn {
        width: 100%;
        text-align: center;
    }
}

/* ============================================================
 * アニメーション
 * ============================================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card,
.event-card,
.audience-card {
    animation: fadeInUp 0.5s ease-out;
}

/* ============================================================
 * ユーティリティクラス
 * ============================================================ */

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

.text-primary {
    color: var(--color-primary);
}

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

.bg-primary {
    background-color: var(--color-primary);
}

.bg-secondary {
    background-color: var(--color-secondary);
}

.bg-muted {
    background-color: var(--color-muted);
}

.rounded {
    border-radius: 12px;
}

.shadow-md {
    box-shadow: var(--shadow-md);
}

.shadow-lg {
    box-shadow: var(--shadow-lg);
}

/* ============================================================
 * JINテーマ互換性
 * ============================================================ */

.btn-orange {
    background-color: var(--color-primary) !important;
}

.btn-orange:hover {
    background-color: #1E3A8A !important;
}

.content-title {
    background-color: var(--color-primary) !important;
    color: white !important;
}

#footer {
    background-color: var(--color-primary) !important;
}

#footer a {
    color: #ffffff !important;
}

#footer a:hover {
    color: var(--color-secondary) !important;
}

.sidebar-widget-title {
    background-color: var(--color-primary) !important;
    color: white !important;
}

.entry-content a {
    color: var(--color-primary);
}

.entry-content a:hover {
    color: var(--color-secondary);
}

/* ============================================================
 * 下層ページ共通スタイル
 * ============================================================ */

.page-header {
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.9) 0%, rgba(15, 40, 71, 0.9) 100%),
                url('https://images.unsplash.com/photo-1511632765486-a01980e01a18?q=80&w=2000' );
    background-size: cover;
    background-position: center;
    color: white;
    padding: 80px 20px;
    text-align: center;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 10px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.page-breadcrumb {
    font-size: 0.95rem;
    opacity: 0.9;
}

.page-content {
    max-width: 1000px;
    margin: 60px auto;
    padding: 0 20px;
}

.page-section {
    margin-bottom: 60px;
}

.page-section-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--color-secondary);
}

/* ============================================================
 * ホームページ特別設定
 * ============================================================ */

body.home .entry-content {
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
}

body.home #sidebar {
    display: none !important;
}

body.home .breadcrumb {
    display: none !important;
}

body.home .entry-title {
    display: none !important;
}

body.home .ent-entry-footer {
    display: none !important;
}
```





/* ------------------------------------------------------------
 * ナビゲーションの強制横並び設定
 * ------------------------------------------------------------ */
/* リスト全体をフレックスボックス化 */
.navigation ul, 
.navigation-inner ul, 
#g-menu .g-menu-list {
    display: flex !important;
    flex-direction: row !important; /* 横並び */
    flex-wrap: wrap !important;
    justify-content: flex-start !important; /* 左寄せ（中央ならcenter） */
    align-items: center !important;
}

/* 各メニュー項目の縦並びを解除 */
.navigation li, 
.navigation-inner li, 
#g-menu .g-menu-list li {
    display: inline-block !important;
    float: none !important;
    width: auto !important; /* 幅を固定させない */
    margin-right: 20px !important; /* 項目間の余白 */
}

/* 文字色とパディングの微調整 */
.navigation li a {
    padding: 10px 15px !important;
    white-space: nowrap !important; /* 改行させない */
}


/* ------------------------------------------------------------
 * 全ページから投稿者名（tamaitaeko）を非表示にする
 * ------------------------------------------------------------ */
/* JIN標準の投稿者表示クラスを隠す */
.author-name,
.ent-author-name,
.entry-author,
.author-info {
    display: none !important;
}

/* もし上記で消えない場合、投稿者名が含まれるメタ情報エリア全体を非表示 */
.post-meta .author,
.entry-meta .author {
    display: none !important;
}

/* 特定のユーザー名（tamaitaeko）がテキストとして出ている場合の対策 */
body::before, body::after {
    content: none !important;
}