/* ========================================
   リセット & ベース設定
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* カラーパレット - 濃紺・黒・グレー */
    --navy-900: #0A1628;
    --navy-800: #0F1F3A;
    --navy-700: #1A2F4D;
    --navy-600: #243E5F;
    --gray-900: #111827;
    --gray-800: #1F2937;
    --gray-700: #374151;
    --gray-600: #4B5563;
    --gray-500: #6B7280;
    --gray-400: #9CA3AF;
    --gray-300: #D1D5DB;
    --gray-200: #E5E7EB;
    --gray-100: #F3F4F6;
    --white: #FFFFFF;
    
    /* タイポグラフィ */
    --font-sans: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* スペーシング */
    --section-padding: 120px;
    --container-width: 1200px;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* サイト全体のリンクスタイルをリセット */
a {
    text-decoration: none !important;
    color: inherit;
}

a:visited {
    color: inherit !important;
}

a:hover {
    text-decoration: none !important;
}

a:active {
    color: inherit !important;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   ナビゲーション
   ======================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: baseline;
    gap: 8px;
    line-height: 1;
    text-decoration: none !important;
    border-bottom: none !important;
    box-shadow: none !important;
}

/* 訪問済みリンク色を無効化 */
.nav-logo:visited,
.nav-logo:visited .logo-main,
.nav-logo:visited .logo-sub {
    color: var(--navy-900);
    text-decoration: none !important;
    border-bottom: none !important;
}

.nav-logo:hover {
    text-decoration: none !important;
    border-bottom: none !important;
}

.nav-logo:hover .logo-main,
.nav-logo:hover .logo-sub {
    color: var(--navy-800);
}

.logo-main {
    font-size: 28px;
    font-weight: 400;
    color: var(--navy-900);
    letter-spacing: 0.08em;
    font-family: 'Georgia', 'Times New Roman', serif;
    text-decoration: none !important;
}

.logo-sub {
    font-size: 18px;
    font-weight: 300;
    color: var(--navy-900);
    letter-spacing: 0.05em;
    font-family: 'Georgia', 'Times New Roman', serif;
    text-decoration: none !important;
}

.nav-menu {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-menu a {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    text-decoration: none;
    transition: color 0.2s;
    letter-spacing: 0.02em;
}

.nav-menu a:hover {
    color: var(--navy-800);
}

/* ========================================
   ヒーローセクション
   ======================================== */
.hero {
    position: relative;
    padding: 160px 0 120px;
    background: linear-gradient(180deg, var(--gray-100) 0%, var(--white) 100%);
    border-bottom: 1px solid var(--gray-200);
    overflow: hidden;
}

/* 背景装飾要素 */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 0;
}

.hero-bg-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(var(--gray-200) 1px, transparent 1px),
        linear-gradient(90deg, var(--gray-200) 1px, transparent 1px);
    background-size: 100px 100px;
    opacity: 0.2;
}

@keyframes gridMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(100px, 100px);
    }
}

/* AIパーティクル効果 */
.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.hero-particles::before,
.hero-particles::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(10, 22, 40, 0.03) 0%, transparent 70%);
}

.hero-particles::before {
    top: 10%;
    left: 10%;
}

.hero-particles::after {
    bottom: 10%;
    right: 10%;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(50px, 30px) scale(1.1);
    }
}

/* スキャンライン効果 */
.hero-scan-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(10, 22, 40, 0.1) 50%, 
        transparent 100%);
}

@keyframes scan {
    0% {
        top: 0;
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        top: 100%;
        opacity: 0;
    }
}



.hero-container {
    position: relative;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    z-index: 1;
}

.hero-label {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--gray-600);
    margin-bottom: 24px;
}

.hero-title {
    font-size: 64px;
    font-weight: 900;
    line-height: 1.1;
    color: var(--navy-900);
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--gray-600);
    margin-bottom: 48px;
    font-weight: 500;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 80px;
}

.btn-primary,
.btn-secondary {
    padding: 16px 32px;
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s;
    display: inline-block;
    letter-spacing: 0.02em;
}

.btn-primary {
    background: var(--navy-900) !important;
    color: var(--white) !important;
    border: 2px solid var(--navy-900) !important;
}

.btn-primary:hover {
    background: var(--navy-800) !important;
    color: var(--white) !important;
    transform: translateY(-1px);
}

.btn-primary:visited,
.btn-primary:active,
.btn-primary:focus {
    background: var(--navy-900) !important;
    color: var(--white) !important;
    border: 2px solid var(--navy-900) !important;
}

.btn-secondary {
    background: transparent;
    color: var(--navy-900);
    border: 2px solid var(--navy-900);
}

.btn-secondary:hover {
    background: var(--navy-900);
    color: var(--white);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
    padding-top: 48px;
    border-top: 1px solid var(--gray-300);
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-size: 48px;
    font-weight: 900;
    color: var(--navy-900);
    line-height: 1;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 14px;
    color: var(--gray-600);
    font-weight: 600;
}

/* ========================================
   セクション共通
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.15em;
    color: var(--gray-600);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 32px;
    font-weight: 700;
    color: var(--navy-900);
    letter-spacing: -0.02em;
}

/* ========================================
   サービスセクション
   ======================================== */
.services {
    padding: var(--section-padding) 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.service-card {
    padding: 40px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    transition: all 0.3s;
}

.service-card:hover {
    border-color: var(--navy-900);
    transform: translateY(-4px);
}

.service-number {
    font-size: 48px;
    font-weight: 900;
    color: var(--gray-300);
    letter-spacing: 0.05em;
    margin-bottom: 16px;
    line-height: 1;
}

.service-title-row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.service-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--navy-900);
    letter-spacing: -0.01em;
    margin: 0;
}

.service-duration {
    font-size: 14px;
    color: var(--gray-600);
    font-weight: 600;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.service-desc {
    font-size: 15px;
    color: var(--gray-600);
    margin-bottom: 24px;
    line-height: 1.7;
}

.service-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.service-list li {
    font-size: 14px;
    color: var(--gray-700);
    padding-left: 20px;
    position: relative;
    font-weight: 500;
}

.service-list li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--navy-900);
    font-weight: 900;
}

.service-price {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-200);
    font-size: 12px;
    color: var(--gray-500);
    font-weight: 600;
    text-align: right;
    letter-spacing: 0.02em;
}

/* ========================================
   プロセスセクション
   ======================================== */
.process {
    padding: var(--section-padding) 0;
    background: var(--gray-100);
}

.process-timeline {
    display: grid;
    gap: 40px;
}

.process-step {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 32px;
    padding: 40px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
}

.process-icon {
    width: 64px;
    height: 64px;
    background: var(--navy-900);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.process-content h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--navy-900);
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.process-duration {
    font-size: 13px;
    font-weight: 700;
    color: var(--gray-500);
    margin-bottom: 16px;
    letter-spacing: 0.05em;
}

.process-content > p {
    font-size: 15px;
    color: var(--gray-600);
    margin-bottom: 20px;
    line-height: 1.7;
}

.process-deliverable {
    font-size: 14px;
    font-weight: 600;
    color: var(--navy-900);
    padding: 12px 16px;
    background: var(--gray-100);
    border-radius: 4px;
    border-left: 3px solid var(--navy-900);
}

/* ========================================
   強みセクション
   ======================================== */
.strengths {
    padding: var(--section-padding) 0;
    background: var(--navy-900);
    color: var(--white);
}

.strengths .section-header h2 {
    color: var(--gray-400);
}

.strengths .section-header p {
    color: var(--white);
}

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

.strength-card {
    padding: 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
}

.strength-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
    color: var(--white);
}

.strength-card p {
    font-size: 15px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
}

/* ========================================
   市場レポートセクション
   ======================================== */
.reports {
    padding: 140px 0 60px;
    background: var(--white);
}

/* 無償提供案内 */
.report-free-notice {
    padding: 20px 32px 20px 28px;
    margin-bottom: 40px;
    background: var(--gray-50);
    border-left: 4px solid var(--navy-900);
    position: relative;
}

.report-free-notice::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--navy-900) 0%, var(--navy-800) 100%);
}

.free-notice-content {
    flex: 1;
}

.free-notice-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    color: var(--navy-900);
    letter-spacing: 0.1em;
    margin-bottom: 6px;
    text-transform: uppercase;
}

.free-notice-text {
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-700);
    margin: 0;
    line-height: 1.6;
}

.free-notice-text strong {
    font-weight: 800;
    color: var(--navy-900);
}

/* シンプルな箇条書きリスト */
.report-simple-list {
    list-style: none;
    padding: 0;
    margin: 0 0 48px 0;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
}

.report-simple-item {
    padding: 24px 32px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    transition: background-color 0.2s;
}

.report-simple-item:last-child {
    border-bottom: none;
}

.report-simple-item:hover {
    background-color: var(--gray-50);
}

.report-simple-date {
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-600);
    min-width: 90px;
}

.report-simple-category {
    display: inline-block;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 500;
    color: var(--navy-700);
    background: var(--gray-100);
    border-radius: 4px;
}

.report-simple-link {
    font-size: 16px;
    font-weight: 600;
    color: var(--navy-900) !important;
    flex: 1;
    min-width: 300px;
}

.report-simple-link:hover {
    color: var(--navy-800) !important;
}

.report-simple-link:visited {
    color: var(--navy-900) !important;
}

/* PDFダウンロードリンク - 目立つ色 */
.report-pdf-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 700;
    color: var(--white) !important;
    background: var(--navy-900) !important;
    border: 2px solid var(--navy-900) !important;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
}

.report-pdf-link:hover {
    background: var(--navy-800) !important;
    border-color: var(--navy-800) !important;
    color: var(--white) !important;
    transform: translateY(-1px) scale(1.05);
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
}

.report-pdf-link:visited,
.report-pdf-link:active,
.report-pdf-link:focus {
    color: var(--white) !important;
    background: var(--navy-900) !important;
    border: 2px solid var(--navy-900) !important;
}

.report-pdf-link svg {
    flex-shrink: 0;
}

/* 新しいシンプルなお知らせ風リストデザイン */
.reports-list-simple {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-bottom: 48px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    overflow: hidden;
}

.report-list-item {
    display: block;
    padding: 28px 32px;
    text-decoration: none;
    border-bottom: 1px solid var(--gray-200);
    transition: background-color 0.2s;
    color: inherit;
}

.report-list-item:visited {
    color: inherit;
}

.report-list-item:last-child {
    border-bottom: none;
}

.report-list-item:hover {
    background-color: var(--gray-50);
}

.report-list-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
}

.report-list-date {
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-600);
    font-family: 'Inter', sans-serif;
}

.report-list-tag {
    display: inline-block;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 500;
    color: var(--navy-700);
    background: var(--gray-100);
    border-radius: 4px;
}

.report-list-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--navy-900);
    margin-bottom: 8px;
    line-height: 1.5;
}

.report-list-item:visited .report-list-title {
    color: var(--navy-900);
}

.report-list-item:hover .report-list-title {
    color: var(--navy-800);
}

.report-list-excerpt {
    font-size: 14px;
    line-height: 1.7;
    color: var(--gray-700);
    margin: 0;
}

.report-list-item:visited .report-list-excerpt {
    color: var(--gray-700);
}

.report-list-item:visited .report-list-date {
    color: var(--gray-600);
}

.report-list-item:visited .report-list-tag {
    color: var(--navy-700);
}

.reports-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 48px;
}

.report-item {
    padding: 32px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    transition: all 0.3s;
}

.report-item:hover {
    border-color: var(--navy-800);
    box-shadow: 0 4px 12px rgba(10, 22, 40, 0.08);
    transform: translateY(-2px);
}

.report-meta {
    display: flex;
    flex-wrap: nowrap;
    gap: 20px;
    margin-bottom: 16px;
    align-items: center;
}

.report-meta span {
    font-size: 13px;
    color: var(--gray-600);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.report-meta svg {
    width: 14px;
    height: 14px;
    stroke-width: 2;
    vertical-align: middle;
    opacity: 0.7;
}

.report-date {
    color: var(--gray-700);
}

.report-date svg {
    stroke: var(--gray-700);
}

.report-industry {
    color: var(--navy-800);
}

.report-industry svg {
    stroke: var(--navy-800);
}

.report-category {
    color: var(--gray-600);
}

.report-category svg {
    stroke: var(--gray-600);
}

.report-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--navy-900);
    margin-bottom: 12px;
    line-height: 1.4;
}

.report-summary {
    font-size: 15px;
    line-height: 1.7;
    color: var(--gray-700);
    margin-bottom: 16px;
}

.report-link {
    display: inline-flex;
    align-items: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--navy-800);
    text-decoration: none;
    transition: color 0.2s;
}

.report-link:hover {
    color: var(--navy-900);
}

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

/* レポートページ専用スタイル */
.reports-filter {
    display: flex;
    gap: 24px;
    margin-bottom: 48px;
    padding: 24px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.filter-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-800);
    white-space: nowrap;
}

.filter-group select {
    padding: 8px 16px;
    font-size: 14px;
    color: var(--gray-800);
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-group select:hover {
    border-color: var(--navy-800);
}

.filter-group select:focus {
    outline: none;
    border-color: var(--navy-800);
    box-shadow: 0 0 0 3px rgba(10, 22, 40, 0.1);
}

.report-highlights {
    margin: 16px 0;
    padding-left: 20px;
}

.report-highlights li {
    font-size: 14px;
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.report-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.tag {
    display: inline-block;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 500;
    color: var(--navy-800);
    background: var(--gray-100);
    border-radius: 4px;
}

.report-coming-soon {
    opacity: 0.6;
    pointer-events: none;
}

.report-coming-soon .report-title {
    color: var(--gray-600);
}

/* ========================================
   実績セクション
   ======================================== */
.case-studies {
    padding: 60px 0 var(--section-padding);
    background: var(--white);
}

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

.case-card {
    padding: 32px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.case-card:hover {
    border-color: var(--navy-900);
    transform: translateY(-4px);
}

.case-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    color: var(--navy-900);
    background: var(--gray-100);
    padding: 5px 10px;
    border-radius: 4px;
    margin-bottom: 16px;
    letter-spacing: 0.05em;
}

.case-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--navy-900);
    margin-bottom: 14px;
    letter-spacing: -0.01em;
    min-height: 2.8em;
}

.case-card > p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.65;
    margin-bottom: 24px;
    flex-grow: 1;
}

.case-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: auto;
}

.case-metric {
    padding: 14px 12px;
    background: var(--gray-100);
    border-radius: 6px;
    text-align: center;
}

.metric-value {
    font-size: 28px;
    font-weight: 900;
    color: var(--navy-900);
    line-height: 1;
    margin-bottom: 6px;
    letter-spacing: -0.02em;
}

.metric-label {
    font-size: 12px;
    color: var(--gray-600);
    font-weight: 600;
}

/* ========================================
   会社概要セクション
   ======================================== */
.about-section {
    padding: var(--section-padding) 0;
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    margin-top: 48px;
}

.about-text {
    max-width: 900px;
}

.about-text h3 {
    font-size: 32px;
    font-weight: 700;
    color: var(--navy-900);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.about-text h4 {
    font-size: 22px;
    font-weight: 700;
    color: var(--navy-900);
    margin-top: 48px;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
    padding-left: 16px;
    border-left: 4px solid var(--navy-900);
}

.about-text h4:first-of-type {
    margin-top: 32px;
}

.about-text p {
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.9;
    margin-bottom: 24px;
}

.about-features {
    list-style: none;
    padding: 0;
    margin: 28px 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px 24px;
}

.about-features li {
    font-size: 15px;
    color: var(--gray-700);
    padding: 16px 20px;
    padding-left: 48px;
    position: relative;
    line-height: 1.6;
    background: var(--gray-100);
    border-radius: 6px;
    transition: all 0.3s;
}

.about-features li:hover {
    background: var(--gray-200);
    transform: translateX(4px);
}

.about-features li:before {
    content: "✓";
    position: absolute;
    left: 16px;
    top: 16px;
    color: var(--navy-900);
    font-weight: 900;
    font-size: 20px;
}

.about-features strong {
    color: var(--navy-900);
    font-weight: 700;
    display: block;
    margin-bottom: 4px;
}

.about-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.info-card {
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: 40px;
    transition: all 0.3s;
}

.info-card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.info-card h4 {
    font-size: 22px;
    font-weight: 700;
    color: var(--navy-900);
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 3px solid var(--navy-900);
    letter-spacing: -0.01em;
}

.info-list {
    display: grid;
    gap: 24px;
}

.info-list dt {
    font-size: 12px;
    font-weight: 700;
    color: var(--gray-500);
    margin-bottom: 6px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.info-list dd {
    font-size: 15px;
    color: var(--gray-700);
    font-weight: 500;
    line-height: 1.7;
    margin: 0;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--gray-300);
}

.info-list dd:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.info-list dd a {
    color: var(--navy-900);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.info-list dd a:hover {
    color: var(--navy-800);
    text-decoration: underline;
}

/* ========================================
   ダウンロードセクション
   ======================================== */
.download-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--navy-900) 0%, #0F1F3A 100%);
}

.download-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 48px;
    backdrop-filter: blur(10px);
    transition: all 0.3s;
}

.download-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.download-content {
    display: flex;
    align-items: center;
    gap: 32px;
    flex: 1;
}

.download-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
}

.download-text h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.download-text p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin: 0;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 36px;
    background: var(--white);
    color: var(--navy-900);
    text-decoration: none;
    font-size: 16px;
    font-weight: 700;
    border-radius: 8px;
    transition: all 0.3s;
    white-space: nowrap;
    letter-spacing: 0.02em;
}

.btn-download:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.btn-download svg {
    flex-shrink: 0;
}

/* ========================================
   コンタクトセクション
   ======================================== */
.contact {
    padding: var(--section-padding) 0;
    background: var(--gray-100);
}

.contact-content {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 80px;
}

.contact-info h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--navy-900);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.contact-lead {
    font-size: 16px;
    color: var(--gray-600);
    margin-bottom: 48px;
    line-height: 1.7;
}

.contact-details {
    display: grid;
    gap: 24px;
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    gap: 16px;
}

.contact-icon {
    width: 40px;
    height: 40px;
    background: var(--navy-900);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
}

.contact-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--gray-500);
    margin-bottom: 4px;
    letter-spacing: 0.05em;
}

.contact-value {
    font-size: 15px;
    font-weight: 600;
    color: var(--navy-900);
}

.contact-hours {
    padding: 24px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    font-size: 14px;
}

.contact-hours strong {
    color: var(--navy-900);
    font-weight: 700;
}

.contact-hours p {
    color: var(--gray-600);
    margin-bottom: 8px;
}

.contact-note {
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 12px;
}

/* フォーム */
.contact-form {
    background: var(--white);
    padding: 48px;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
}

.form-group {
    margin-bottom: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.required {
    color: var(--navy-900);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    font-family: var(--font-sans);
    color: var(--gray-800);
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    transition: all 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--navy-900);
}

.form-group textarea {
    resize: vertical;
}

.btn-submit {
    width: 100%;
    padding: 16px;
    font-size: 15px;
    font-weight: 700;
    color: var(--white);
    background: var(--navy-900);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: 0.02em;
}

.btn-submit:hover {
    background: var(--navy-800);
    transform: translateY(-1px);
}

/* ========================================
   サンキューページ
   ======================================== */
.thank-you-page {
    padding: 160px 0 120px;
    background: var(--white);
    min-height: calc(100vh - 72px);
    display: flex;
    align-items: center;
}

.thank-you-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 32px;
    background: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.success-icon svg {
    width: 40px;
    height: 40px;
    stroke: var(--navy-900);
    stroke-width: 3;
}

.thank-you-content h1 {
    font-size: 32px;
    font-weight: 900;
    color: var(--navy-900);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.thank-you-text {
    font-size: 16px;
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: 12px;
}

.info-box {
    margin: 40px 0;
    padding: 24px;
    background: var(--gray-100);
    border-radius: 8px;
    border-left: 3px solid var(--navy-900);
}

.info-box p {
    font-size: 14px;
    margin: 0;
    color: var(--gray-700);
}

.info-box strong {
    color: var(--navy-900);
    font-weight: 700;
}

/* ========================================
   フッター
   ======================================== */
.footer {
    padding: 80px 0 40px;
    background: var(--navy-900);
    color: var(--white);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    display: flex;
    align-items: baseline;
    gap: 10px;
    line-height: 1;
    margin-bottom: 8px;
}

.footer-logo .logo-main {
    font-size: 32px;
    font-weight: 400;
    color: var(--white);
    letter-spacing: 0.08em;
    font-family: 'Georgia', 'Times New Roman', serif;
}

.footer-logo .logo-sub {
    font-size: 20px;
    font-weight: 300;
    color: var(--white);
    letter-spacing: 0.05em;
    font-family: 'Georgia', 'Times New Roman', serif;
}

.footer-brand p {
    font-size: 14px;
    color: var(--gray-400);
    font-weight: 600;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-300);
    text-decoration: none;
    transition: color 0.2s;
}

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

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

.footer-bottom p {
    font-size: 13px;
    color: var(--gray-500);
}

/* ========================================
   レスポンシブデザイン
   ======================================== */
/* タブレット・PC小向け（～1024px） */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }

    .hero-title {
        font-size: 48px;
    }

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

    .strengths-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .download-card {
        padding: 40px;
    }

    .about-features {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .about-info {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .report-item {
        padding: 20px;
    }

    /* シンプルリストのレスポンシブ対応 */
    .report-simple-item {
        padding: 16px 20px;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 12px;
    }

    .report-simple-date {
        font-size: 12px;
        min-width: auto;
        flex-shrink: 0;
    }

    .report-simple-category {
        font-size: 11px;
        padding: 3px 10px;
        flex-shrink: 0;
    }

    .report-simple-link {
        font-size: 15px;
        width: 100%;
        flex-basis: 100%;
    }
    
    .report-pdf-link {
        font-size: 12px;
        padding: 6px 12px;
        margin-top: 8px;
    }
    
    .report-pdf-link svg {
        width: 16px;
        height: 16px;
    }

    /* サンキューページのレスポンシブ */
    .thank-you-page {
        padding: 120px 0 80px;
    }

    .thank-you-content h1 {
        font-size: 24px;
    }

    .thank-you-text {
        font-size: 15px;
    }

    .success-icon {
        width: 64px;
        height: 64px;
        margin-bottom: 24px;
    }

    .success-icon svg {
        width: 32px;
        height: 32px;
    }

    .info-box {
        padding: 20px;
    }

    /* 新しいシンプルリストのレスポンシブ対応 */
    .report-list-item {
        padding: 20px 16px;
    }

    .report-list-meta {
        flex-wrap: wrap;
        gap: 8px;
    }

    .report-list-date {
        font-size: 12px;
    }

    .report-list-tag {
        font-size: 11px;
        padding: 3px 10px;
    }

    .report-list-title {
        font-size: 16px;
    }

    .report-list-excerpt {
        font-size: 13px;
        line-height: 1.6;
    }

    .report-meta {
        flex-wrap: wrap;
        gap: 12px;
    }

    .report-title {
        font-size: 16px;
    }

    .report-summary {
        font-size: 13px;
    }

    .reports-filter {
        flex-direction: column;
        gap: 16px;
        padding: 20px;
    }

    .filter-group {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }

    .filter-group select {
        width: 100%;
    }

    .report-highlights {
        font-size: 13px;
    }
}

@media (max-width: 768px) {
    /* ナビゲーション - スマホ用調整 */
    .nav-logo .logo-main {
        font-size: 20px;
    }

    .nav-logo .logo-sub {
        font-size: 14px;
    }

    .nav-menu {
        gap: 16px;
    }

    .nav-menu a {
        font-size: 11px;
    }

    .hero {
        padding: 120px 0 80px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 15px;
    }

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

    .btn-primary,
    .btn-secondary {
        width: 100%;
        text-align: center;
    }

    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
        padding-top: 32px;
    }
    
    .stat-item {
        text-align: center;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .stat-label {
        font-size: 11px;
    }

    .section-header p {
        font-size: 24px;
    }

    .report-free-notice {
        padding: 16px 20px 16px 24px;
        margin-bottom: 32px;
    }

    .free-notice-label {
        font-size: 10px;
    }

    .free-notice-text {
        font-size: 13px;
    }

    .service-number {
        font-size: 36px;
        margin-bottom: 12px;
    }

    .service-title-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        margin-bottom: 12px;
    }

    .service-card h3 {
        font-size: 20px;
    }

    .service-duration {
        font-size: 13px;
    }

    .service-list {
        grid-template-columns: 1fr;
    }

    .service-price {
        font-size: 11px;
        margin-top: 16px;
        padding-top: 12px;
    }

    .report-item {
        padding: 24px;
    }

    .report-meta {
        flex-direction: column;
        gap: 8px;
    }

    .report-title {
        font-size: 18px;
    }

    .report-summary {
        font-size: 14px;
    }

    .process-step {
        grid-template-columns: 1fr;
    }

    .process-icon {
        width: 48px;
        height: 48px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 32px 20px;
    }

    .contact-value {
        font-size: 14px;
        word-break: break-all;
    }

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

    .case-card {
        padding: 24px 20px;
    }

    .strength-card {
        padding: 32px 24px;
    }

    .download-section {
        padding: 60px 0;
    }

    .download-card {
        flex-direction: column;
        padding: 32px 24px;
        gap: 32px;
        text-align: center;
    }

    .download-content {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }

    .download-text h3 {
        font-size: 20px;
    }

    .download-text p {
        font-size: 14px;
    }

    .btn-download {
        width: 100%;
        justify-content: center;
        padding: 16px 24px;
        font-size: 15px;
    }

    .about-text h3 {
        font-size: 26px;
        margin-bottom: 20px;
    }

    .about-text h4 {
        font-size: 20px;
        margin-top: 36px;
        margin-bottom: 16px;
        padding-left: 12px;
    }

    .about-text p {
        font-size: 15px;
        line-height: 1.8;
        margin-bottom: 20px;
    }

    .about-features {
        grid-template-columns: 1fr;
        gap: 12px;
        margin: 20px 0;
    }

    .about-features li {
        font-size: 14px;
        padding: 14px 16px;
        padding-left: 40px;
    }

    .about-features li:before {
        left: 12px;
        top: 14px;
        font-size: 18px;
    }

    .about-features strong {
        font-size: 14px;
    }

    .about-info {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .info-card {
        padding: 28px 24px;
    }

    .info-card h4 {
        font-size: 20px;
        margin-bottom: 24px;
        padding-bottom: 16px;
    }

    .info-list {
        gap: 20px;
    }

    .info-list dd {
        font-size: 14px;
        padding-bottom: 20px;
    }

    .footer-content {
        flex-direction: column;
        gap: 32px;
        text-align: center;
    }

    .footer-links {
        flex-direction: column;
        gap: 16px;
    }
}

/* さらに小さい画面（iPhone SE等） */
@media (max-width: 375px) {
    .nav-logo .logo-main {
        font-size: 18px;
    }

    .nav-logo .logo-sub {
        font-size: 12px;
    }

    .nav-menu a {
        font-size: 10px;
    }

    .hero-title {
        font-size: 28px;
    }

    .stat-number {
        font-size: 36px;
    }

    .section-header p {
        font-size: 20px;
    }
}