/*
Theme Name: Fusion Research
Theme URI: https://fusion-r.com
Author: Fusion Research Inc.
Author URI: https://fusion-r.com
Description: フュージョン・リサーチ株式会社の公式WordPressテーマ。海外投資家の企業調査サポートと上場企業の経営コンサルティングを提供する専門サイト。
Version: 1.0.1
Requires at least: 6.0
Tested up to: 6.9
Requires PHP: 8.0
License: Proprietary
License URI: https://fusion-r.com
Text Domain: fusion-research
Tags: business, consulting, corporate, professional, responsive, two-columns
*/

/* ============================================
   CSS変数定義
============================================ */
:root {
    /* カラーパレット */
    --primary-color: #0046AD;
    --primary-dark: #002F73;
    --primary-light: #2B5FCC;
    --secondary-color: #1A3A52;
    --accent-color: #4A90E2;
    --accent-light: #6BA5E7;
    --accent-gold: #C9A961;
    
    /* テキストカラー */
    --text-color: #1A2332;
    --text-light: #4A5568;
    --text-lighter: #718096;
    
    /* 背景カラー */
    --bg-color: #FFFFFF;
    --bg-light: #F8FAFC;
    --bg-gray: #EDF2F7;
    --bg-blue-light: #EBF4FF;
    
    /* ボーダー */
    --border-color: #E2E8F0;
    
    /* シャドウ */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow: 0 4px 16px rgba(0,70,173,0.08);
    --shadow-md: 0 6px 24px rgba(0,70,173,0.12);
    --shadow-lg: 0 12px 40px rgba(0,70,173,0.15);
    --shadow-hover: 0 8px 32px rgba(0,70,173,0.18);
    
    /* トランジション */
    --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
    --transition-fast: all 0.15s cubic-bezier(0.4,0,0.2,1);
    
    /* スペーシング */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
}

/* ============================================
   リセット & 基本スタイル
============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Meiryo UI', 'Meiryo', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--bg-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
    color: var(--primary-dark);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ============================================
   レイアウト
============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   ヘッダー
============================================ */
.header {
    background: white;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

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

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
}

/* ロゴ */
.site-branding {
    display: flex;
    align-items: center;
}

.custom-logo-link {
    display: block;
    line-height: 0;
}

.custom-logo {
    height: 50px;
    width: auto;
}

.site-title {
    font-size: 24px;
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
}

.site-title a {
    color: var(--primary-color);
}

.site-description {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 4px;
}

/* ナビゲーション */
.main-navigation {
    display: flex;
    align-items: center;
    gap: 8px;
}

.main-navigation ul {
    list-style: none;
    display: flex;
    gap: 8px;
    margin: 0;
    padding: 0;
}

.main-navigation li {
    position: relative;
}

.main-navigation a {
    display: block;
    padding: 12px 20px;
    color: var(--text-color);
    font-weight: 500;
    font-size: 15px;
    border-radius: 6px;
    transition: var(--transition);
}

.main-navigation a:hover,
.main-navigation .current-menu-item > a {
    background: var(--bg-blue-light);
    color: var(--primary-color);
}

/* ドロップダウンメニュー */
.main-navigation .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: white;
    box-shadow: var(--shadow-md);
    border-radius: 8px;
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 100;
}

.main-navigation li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.main-navigation .sub-menu a {
    padding: 12px 20px;
    border-radius: 0;
}

.main-navigation .sub-menu a:hover {
    background: var(--bg-light);
}

/* 言語切り替えボタン */
.language-switcher {
    margin-left: 16px;
}

.language-switcher .lang-item {
    padding: 8px 16px;
    background: var(--primary-color);
    color: white;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}

.language-switcher .lang-item:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* モバイルメニュートグル */
.menu-toggle {
    display: none;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    transition: var(--transition);
}

.menu-toggle:hover {
    background: var(--primary-dark);
}

/* ============================================
   ページヘッダー
============================================ */
.page-header {
    background: linear-gradient(135deg, rgba(0, 70, 173, 0.9), rgba(26, 58, 82, 0.9)),
                url('images/corporate-building.jpg');
    background-size: cover;
    background-position: center;
    padding: 80px 24px;
    text-align: center;
    color: white;
}

.page-title {
    font-size: 48px;
    font-weight: 700;
    margin: 0;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

/* ============================================
   セクション共通スタイル
============================================ */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 16px;
    line-height: 1.3;
}

.section-lead {
    font-size: 18px;
    color: var(--text-light);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 48px;
    line-height: 1.8;
}

/* ============================================
   メインメッセージセクション
============================================ */
.main-message-section {
    background: linear-gradient(135deg, rgba(0, 70, 173, 0.88), rgba(26, 58, 82, 0.88)),
                url('images/business-cityscape.jpg');
    background-size: cover;
    background-position: center;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
}

.main-message {
    font-size: 42px;
    font-weight: 700;
    line-height: 1.6;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    max-width: 900px;
    margin: 0 auto;
}

/* ============================================
   新着情報セクション
============================================ */
.news-section {
    background: var(--bg-light);
}

.news-list {
    max-width: 900px;
    margin: 0 auto;
}

.news-item {
    background: white;
    border-radius: 8px;
    padding: 24px 32px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.news-item:hover {
    box-shadow: var(--shadow);
    transform: translateX(8px);
}

.news-link {
    display: flex;
    align-items: center;
    gap: 24px;
}

.news-date {
    font-size: 15px;
    color: var(--text-lighter);
    font-weight: 600;
    min-width: 100px;
}

.news-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
    flex: 1;
}

/* ============================================
   サービス概要セクション
============================================ */
.services-overview {
    background: white;
}

.services-grid {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 32px !important;
    margin-top: 48px !important;
}

.service-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.service-image {
    width: 100%;
    height: 240px;
    overflow: hidden;
}

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

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

.service-content {
    padding: 32px 24px;
}

.service-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 16px;
    line-height: 1.4;
}

.service-description {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
    margin: 0;
}

/* ============================================
   企業の強みセクション - 横3列レイアウト（強制）
============================================ */
.strengths-section {
    background: var(--bg-light);
}

.strengths-grid {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 32px !important;
    margin-top: 48px !important;
    list-style: none !important;
}

.strength-card {
    background: white !important;
    border-radius: 12px !important;
    overflow: hidden !important;
    box-shadow: var(--shadow) !important;
    transition: var(--transition) !important;
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    float: none !important;
    clear: none !important;
}

.strength-card:hover {
    transform: translateY(-8px) !important;
    box-shadow: var(--shadow-hover) !important;
}

.strength-image {
    width: 100% !important;
    height: 240px !important;
    overflow: hidden !important;
    position: relative !important;
}

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

.strength-card:hover .strength-image img {
    transform: scale(1.05) !important;
}

.strength-content {
    padding: 32px 24px !important;
    flex: 1 !important;
    display: flex !important;
    flex-direction: column !important;
}

.strength-title {
    font-size: 20px !important;
    font-weight: 700 !important;
    color: var(--primary-color) !important;
    margin-bottom: 16px !important;
    line-height: 1.4 !important;
}

.strength-description {
    font-size: 15px !important;
    color: var(--text-light) !important;
    line-height: 1.7 !important;
    margin: 0 !important;
}

/* ============================================
   CTAセクション
============================================ */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
    padding: 100px 24px;
}

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

.cta-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.4;
}

.cta-description {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.95;
    line-height: 1.7;
}

.cta-button {
    display: inline-block;
    padding: 18px 48px;
    background: white;
    color: var(--primary-color);
    font-size: 18px;
    font-weight: 700;
    border-radius: 50px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.cta-button:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
    color: var(--primary-dark);
}

/* ============================================
   会社情報テーブル
============================================ */
.company-info-table {
    width: 100%;
    max-width: 900px;
    margin: 48px auto;
    border-collapse: collapse;
    background: white;
    box-shadow: var(--shadow);
    border-radius: 8px;
    overflow: hidden;
}

.company-info-table th,
.company-info-table td {
    padding: 20px 24px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.company-info-table th {
    background: var(--bg-light);
    font-weight: 700;
    color: var(--primary-color);
    width: 200px;
}

.company-info-table td {
    color: var(--text-color);
}

.company-info-table tr:last-child th,
.company-info-table tr:last-child td {
    border-bottom: none;
}

/* ============================================
   リンクカード
============================================ */
.link-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin: 48px auto;
    max-width: 900px;
}

.link-card {
    display: block;
    padding: 32px 24px;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
}

.link-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.link-card-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
}

/* ============================================
   Insightsアーカイブ
============================================ */
.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-bottom: 48px;
}

.filter-btn {
    padding: 12px 24px;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--bg-blue-light);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.insights-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.insight-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.insight-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.insight-thumbnail {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

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

.insight-content {
    padding: 24px;
}

.insight-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.insight-category {
    padding: 4px 12px;
    background: var(--bg-blue-light);
    color: var(--primary-color);
    font-size: 12px;
    font-weight: 600;
    border-radius: 4px;
}

.insight-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 12px;
    line-height: 1.4;
}

.insight-meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--text-lighter);
    margin-bottom: 12px;
}

.insight-excerpt {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* ============================================
   ページネーション
============================================ */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 64px;
}

.pagination a {
    padding: 12px 20px;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-weight: 600;
    color: var(--text-color);
    transition: var(--transition);
}

.pagination a:hover {
    background: var(--bg-blue-light);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* ============================================
   フッター
============================================ */
.footer {
    background: var(--secondary-color);
    color: white;
    padding: 80px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
    margin-bottom: 48px;
}

.footer-block {
    
}

.footer-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    color: white;
}

.footer-subtitle {
    font-size: 14px;
    margin-bottom: 12px;
    opacity: 0.9;
}

.footer-description {
    font-size: 14px;
    line-height: 1.7;
    opacity: 0.8;
}

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

.footer-menu li {
    margin-bottom: 12px;
}

.footer-menu a {
    color: white;
    font-size: 15px;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-menu a:hover {
    opacity: 1;
    padding-left: 8px;
}

.office-info {
    margin-bottom: 24px;
}

.office-title {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--accent-light);
}

.office-address {
    font-size: 14px;
    line-height: 1.6;
    opacity: 0.8;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 24px 0;
    text-align: center;
}

.copyright {
    font-size: 14px;
    opacity: 0.7;
    margin: 0;
}

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

/* タブレット（1024px以下） */
@media (max-width: 1024px) {
    .services-grid,
    .strengths-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 24px !important;
    }
    
    .insights-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
}

/* タブレット小（768px以下） */
@media (max-width: 768px) {
    /* ヘッダー */
    .menu-toggle {
        display: block;
    }
    
    .main-navigation {
        position: fixed;
        top: 0;
        left: -100%;
        width: 280px;
        height: 100vh;
        background: white;
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 24px 24px;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
        overflow-y: auto;
        z-index: 999;
    }
    
    .main-navigation.active {
        left: 0;
    }
    
    .main-navigation ul {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }
    
    .main-navigation li {
        width: 100%;
    }
    
    .main-navigation a {
        width: 100%;
        padding: 16px 20px;
        border-radius: 0;
    }
    
    .main-navigation .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding: 0 0 0 20px;
        display: none;
    }
    
    .main-navigation .has-dropdown.active .sub-menu,
    .main-navigation .menu-item-has-children.active .sub-menu {
        display: block;
    }
    
    .language-switcher {
        margin: 16px 0 0;
        width: 100%;
    }
    
    /* セクション */
    section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .section-lead {
        font-size: 16px;
    }
    
    /* メインメッセージ */
    .main-message-section {
        min-height: 400px;
        padding: 60px 20px;
    }
    
    .main-message {
        font-size: 28px;
    }
    
    /* グリッドレイアウト */
    .services-grid,
    .strengths-grid,
    .insights-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }
    
    .service-image,
    .strength-image {
        height: 180px !important;
    }
    
    /* CTA */
    .cta-section {
        padding: 60px 24px;
    }
    
    .cta-title {
        font-size: 24px;
    }
    
    .cta-description {
        font-size: 16px;
    }
    
    .cta-button {
        padding: 16px 40px;
        font-size: 16px;
    }
    
    /* 会社情報テーブル */
    .company-info-table {
        font-size: 14px;
    }
    
    .company-info-table th,
    .company-info-table td {
        display: block;
        width: 100%;
        padding: 16px;
    }
    
    .company-info-table th {
        border-bottom: none;
        padding-bottom: 8px;
    }
    
    /* リンクカード */
    .link-cards {
        grid-template-columns: 1fr;
    }
    
    /* フッター */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    /* ニュース */
    .news-link {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .news-date {
        min-width: auto;
    }
}

/* ============================================
   横幅いっぱい表示の強制適用
============================================ */

/* bodyとhtmlの基本設定 */
html, body {
    margin: 0 !important;
    padding: 0 !important;
    width: 100% !important;
    overflow-x: hidden !important;
}

/* ヘッダーを横幅いっぱいに */
.header {
    width: 100% !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 0 !important;
    box-sizing: border-box !important;
}

/* ヘッダー内のコンテナは1200pxで中央寄せ */
.header .container {
    max-width: 1200px !important;
    margin: 0 auto !important;
    padding: 0 24px !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

/* 全セクションを横幅いっぱいに */
.main-message-section,
.news-section,
.services-overview,
.strengths-section,
.cta-section,
.footer {
    width: 100vw !important;
    max-width: none !important;
    margin-left: calc(-50vw + 50%) !important;
    margin-right: calc(-50vw + 50%) !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    box-sizing: border-box !important;
}

/* 各セクション内のコンテナは1200pxで中央寄せ */
.main-message-section .container,
.news-section .container,
.services-overview .container,
.strengths-section .container,
.cta-section .container,
.footer .container {
    max-width: 1200px !important;
    margin: 0 auto !important;
    padding: 0 24px !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

/* メインコンテンツエリアのラッパー除去 */
.site-content,
.site-main,
.site-wrapper,
.site-inner,
#content,
#primary {
    max-width: none !important;
    width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
}

/* メインビジュアルの高さ固定 */
.main-message-section {
    min-height: 500px !important;
    max-height: 600px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    position: relative !important;
}

/* Twenty Twenty-Four テーマの上書き */
.wp-site-blocks {
    padding: 0 !important;
}

.wp-block-group {
    margin: 0 !important;
    padding: 0 !important;
}