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

:root {
    /* カラーパレット（薄めのオレンジ基調） */
    --primary-color: #FF9D5C;
    --primary-dark: #FF7A33;
    --primary-light: #FFB380;
    --secondary-color: #FFD4A3;
    --accent-color: #FF8C42;
    
    /* IT業界カラー */
    --it-color: #3B82F6;
    --it-light: #DBEAFE;
    
    /* 医療業界カラー */
    --medical-color: #EF4444;
    --medical-light: #FEE2E2;
    
    /* ドライバー業界カラー */
    --driver-color: #F59E0B;
    --driver-light: #FEF3C7;
    
    /* グレースケール */
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* テキストカラー */
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-white: #FFFFFF;
    
    /* 背景カラー */
    --bg-white: #FFFFFF;
    --bg-light: #F9FAFB;
    --bg-dark: #1F2937;
    
    /* シャドウ */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* トランジション */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* フォント */
    --font-ja: 'Noto Sans JP', sans-serif;
    --font-en: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-ja);
    color: var(--text-primary);
    line-height: 1.7;
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

/* ==========================================
   タイポグラフィ
   ========================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
}

.section-title .highlight {
    color: var(--primary-color);
    position: relative;
    display: inline-block;
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.subsection-title {
    font-size: 1.75rem;
    text-align: center;
    margin: 3rem 0 2rem;
    color: var(--text-primary);
}

/* ==========================================
   ナビゲーション
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-base);
}

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

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--font-en);
}

.logo i {
    font-size: 1.75rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition-base);
}

.nav-link:hover {
    color: var(--primary-color);
}

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

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

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    transition: var(--transition-base);
}

/* ==========================================
   ボタン
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    font-family: var(--font-ja);
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-service {
    width: 100%;
    justify-content: center;
    margin-top: 1.5rem;
    background-color: var(--gray-800);
    color: var(--text-white);
}

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

/* ==========================================
   ヒーローセクション
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 0 4rem;
    overflow: hidden;
}

.hero-background-images {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    z-index: -2;
}

.hero-image-section {
    position: relative;
    flex: 1;
    overflow: hidden;
    transform-origin: center;
}

.hero-image-section img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
}

/* 各画像の顔が映るように位置調整 */
.hero-image-1 img {
    object-position: 65% center; /* ドライバーの顔を右寄りに */
}

.hero-image-2 img {
    object-position: 45% 40%; /* IT業界の人物を中心に */
}

.hero-image-3 img {
    object-position: 55% 45%; /* 医療スタッフの顔を中心に */
}

/* 斜めの区切り効果 - 平行四辺形で面積を均等に */
.hero-image-1 {
    clip-path: polygon(0 0, 100% 0, 80% 100%, 0 100%);
    flex: 1;
    min-width: 40%;
}

.hero-image-2 {
    clip-path: polygon(20% 0, 100% 0, 80% 100%, 0 100%);
    margin-left: -15%;
    flex: 1;
    min-width: 40%;
}

.hero-image-3 {
    clip-path: polygon(20% 0, 100% 0, 100% 100%, 0 100%);
    margin-left: -10%;
    flex: 1;
    min-width: 40%;
}

.hero-background-images::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: none;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.3));
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: var(--text-white);
    position: relative;
    z-index: 1;
}

.hero-text-box {
    background-color: rgba(0, 0, 0, 0.6);
    padding: 2.5rem 3rem;
    border-radius: 12px;
    display: inline-block;
    backdrop-filter: blur(5px);
    max-width: 900px;
}

.hero-title {
    font-size: 2.0rem;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
    color: var(--text-white);
    line-height: 1.4;
    white-space: nowrap;
}

.hero-title .highlight {
    color: #FCD34D;
    text-shadow: 0 0 20px rgba(252, 211, 77, 0.5);
}

.hero-subtitle {
    font-size: 1.1rem;
    margin-bottom: 0;
    opacity: 1;
    line-height: 1.8;
    color: var(--text-white);
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 3rem;
    margin-bottom: 4rem;
}

.hero-trust {
    margin-top: 3rem;
}

.trust-label {
    font-size: 0.875rem;
    opacity: 0.8;
    margin-bottom: 1rem;
}

.trust-logos {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 0.5rem;
}

.trust-logo-item {
    padding: 0.75rem 1.5rem;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    backdrop-filter: blur(10px);
    font-weight: 500;
    font-size: 0.875rem;
}

.trust-logo-link {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
    display: inline-block;
}

.trust-logo-link:hover {
    transform: translateY(-3px);
    background-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.trust-note {
    font-size: 0.75rem;
    opacity: 0.7;
    margin-top: 0.5rem;
}

/* スクロールインジケーター */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: #4B3621;
    opacity: 0.8;
}

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid #4B3621;
    border-radius: 15px;
    position: relative;
}

.wheel {
    width: 3px;
    height: 8px;
    background-color: #4B3621;
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 24px; }
}

/* アニメーション */
.animate-fade-in {
    animation: fadeIn 1s ease-out;
}

.animate-fade-in-delay-1 {
    animation: fadeIn 1s ease-out 0.3s both;
}

.animate-fade-in-delay-2 {
    animation: fadeIn 1s ease-out 0.6s both;
}

.animate-fade-in-delay-3 {
    animation: fadeIn 1s ease-out 0.9s both;
}

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

/* ==========================================
   提携企業詳細セクション
   ========================================== */
.partners-showcase-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #FEF3C7 0%, #FED7AA 100%);
}

.partners-showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.partner-showcase-card {
    background-color: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
    border: 2px solid transparent;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
}

.partner-showcase-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.partner-card-header {
    background: linear-gradient(135deg, var(--gray-100), var(--gray-50));
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    min-height: 90px;
}

.partner-logo-large {
    width: 60px;
    height: 60px;
    background-color: var(--bg-white);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
}

.partner-logo-large img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
}

.partner-logo-placeholder {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.partner-card-title {
    flex: 1;
}

.partner-card-title h3 {
    font-size: 1.1rem;
    margin-bottom: 0.35rem;
    color: var(--text-primary);
}

.partner-industry-tag {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    border-radius: 16px;
    font-size: 0.75rem;
    font-weight: 600;
}

.partner-industry-tag.it {
    background-color: #DBEAFE;
    color: #1E40AF;
}

.partner-industry-tag.medical {
    background-color: #FEE2E2;
    color: #991B1B;
}

.partner-industry-tag.driver {
    background-color: #FEF3C7;
    color: #92400E;
}

.partner-industry-tag.other {
    background-color: var(--gray-200);
    color: var(--text-primary);
}

.partner-card-body {
    padding: 1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.partner-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.75rem;
    font-size: 0.85rem;
}

.partner-highlights {
    margin-bottom: 1rem;
}

.partner-highlights h4 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.4rem;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.partner-highlights ul {
    list-style: none;
    padding: 0;
}

.partner-highlights li {
    padding: 0.25rem 0;
    color: var(--text-secondary);
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.8rem;
}

.partner-highlights li::before {
    content: '✓';
    color: var(--secondary-color);
    font-weight: 700;
    font-size: 0.95rem;
    flex-shrink: 0;
}

.partner-meta {
    display: flex;
    gap: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--gray-200);
    font-size: 0.75rem;
    color: var(--text-secondary);
    flex-wrap: wrap;
}

.partner-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.partner-meta-item i {
    color: var(--primary-color);
}

.partner-card-footer {
    padding: 0.75rem 1rem;
    background-color: var(--gray-50);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.partner-cta {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 0.875rem;
}

.partner-cta i {
    transition: var(--transition-base);
}

.partner-showcase-card:hover .partner-cta i {
    transform: translateX(5px);
}

.loading-partners {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem;
    color: var(--text-secondary);
}

.no-partners {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem;
    color: var(--text-secondary);
}

.no-partners i {
    font-size: 3rem;
    color: var(--gray-300);
    margin-bottom: 1rem;
}

.partners-view-all {
    text-align: center;
    margin-top: 3rem;
}

.partners-view-all .btn {
    min-width: 300px;
}

/* ==========================================
   課題提示セクション
   ========================================== */
.problem-section {
    padding: 6rem 0;
    background-color: var(--bg-light);
}

.section-header {
    margin-bottom: 4rem;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.problem-card {
    background-color: var(--bg-white);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

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

/* アイコンと題名を横並びに */
.problem-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.problem-icon {
    font-size: 3rem;
    flex-shrink: 0;
}

.learner-problems .problem-icon {
    color: var(--primary-color);
}

.company-problems .problem-icon {
    color: var(--secondary-color);
}

.problem-card-title {
    font-size: 1.5rem;
    margin: 0;
}

.problem-list {
    list-style: none;
}

.problem-list li {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    align-items: flex-start;
}

.problem-list i {
    color: var(--medical-color);
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.industry-challenges {
    margin-top: 4rem;
}

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

.industry-card {
    background-color: var(--bg-white);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

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

.industry-card i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.industry-card:nth-child(1) i {
    color: var(--it-color);
}

.industry-card:nth-child(2) i {
    color: var(--medical-color);
}

.industry-card:nth-child(3) i {
    color: var(--driver-color);
}

.industry-card h4 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

/* ==========================================
   ソリューションセクション
   ========================================== */
.solution-section {
    padding: 6rem 0;
    background-color: var(--bg-white);
}

.solution-diagram {
    max-width: 1000px;
    margin: 0 auto;
}

.diagram-flow {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.flow-item {
    background-color: var(--bg-light);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    min-width: 200px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

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

.flow-item.platform {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-white);
}

.flow-item.platform h4,
.flow-item.platform p {
    color: var(--text-white);
}

.flow-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.flow-item.platform .flow-icon {
    color: var(--text-white);
}

.flow-item h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.flow-item p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.flow-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
}

.flow-arrow i {
    font-size: 1.5rem;
}

.flow-step {
    background-color: var(--primary-color);
    color: var(--text-white);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
}

.flow-arrow-down {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    margin: 2rem 0;
}

.flow-arrow-down i {
    font-size: 2rem;
}

.diagram-process {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.process-card {
    background-color: var(--bg-light);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    min-width: 180px;
    position: relative;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.process-card:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.process-number {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--secondary-color);
    color: var(--text-white);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
}

.process-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.process-card h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.process-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.process-arrow {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

/* ==========================================
   ISAセクション
   ========================================== */
.isa-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #FEF3C7 0%, #FED7AA 100%);
}

.isa-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.feature-card {
    background-color: var(--bg-white);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    border: 2px solid transparent;
}

.feature-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.feature-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card h4 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

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

/* 比較テーブル */
.comparison-table {
    margin: 4rem 0;
}

.table-wrapper {
    overflow-x: auto;
    box-shadow: var(--shadow-md);
    border-radius: 12px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-white);
}

thead {
    background-color: var(--gray-800);
    color: var(--text-white);
}

th, td {
    padding: 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

th {
    font-weight: 700;
}

tbody tr:hover {
    background-color: var(--gray-50);
}

.traditional {
    background-color: #FEE2E2;
    color: var(--text-primary);
}

.isa {
    background-color: #DBEAFE;
    color: var(--text-primary);
}

.isa strong {
    color: var(--primary-color);
}

/* ISAフロー */
.isa-flow {
    margin-top: 4rem;
}

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

.isa-step {
    background-color: var(--bg-white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.isa-step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.step-number {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.step-content i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.step-content h4 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
}

.step-content p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.isa-disclaimer {
    background-color: #FEF3C7;
    border-left: 4px solid var(--driver-color);
    padding: 1.25rem;
    border-radius: 8px;
    margin-top: 2rem;
}

.isa-disclaimer i {
    color: var(--driver-color);
    margin-right: 0.5rem;
}

/* ==========================================
   サービスセクション
   ========================================== */
.services-section {
    padding: 6rem 0;
    background-color: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.service-card {
    background-color: var(--bg-white);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
    border-top: 4px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.it-service {
    border-top-color: var(--it-color);
}

.medical-service {
    border-top-color: var(--medical-color);
}

.driver-service {
    border-top-color: var(--driver-color);
}

/* アイコンと題名を横並びに */
.service-card-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.service-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    flex-shrink: 0;
}

.it-service .service-icon {
    background-color: var(--it-light);
    color: var(--it-color);
}

.medical-service .service-icon {
    background-color: var(--medical-light);
    color: var(--medical-color);
}

.driver-service .service-icon {
    background-color: var(--driver-light);
    color: var(--driver-color);
}

.service-title {
    font-size: 1.75rem;
    margin: 0;
}

.service-content {
    margin-bottom: 1.5rem;
}

.service-detail {
    margin-bottom: 1.5rem;
}

.service-detail h4 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.service-detail h4 i {
    color: var(--primary-color);
}

.service-detail ul {
    list-style: none;
    padding-left: 1.5rem;
}

.service-detail ul li {
    position: relative;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.service-detail ul li::before {
    content: '✓';
    position: absolute;
    left: -1.5rem;
    color: var(--secondary-color);
    font-weight: 700;
}

.service-goal {
    background-color: var(--bg-light);
    padding: 1rem;
    border-radius: 8px;
    font-weight: 600;
    color: var(--primary-color);
}

.company-use {
    background-color: var(--gray-50);
    padding: 1.25rem;
    border-radius: 8px;
    margin-top: 1.5rem;
}

.company-use h4 {
    color: var(--secondary-color);
}

/* ==========================================
   メリットセクション
   ========================================== */
.benefits-section {
    padding: 6rem 0;
}

.learner-benefits {
    background: linear-gradient(135deg, #FEF3C7 0%, #FED7AA 100%);
}

.company-benefits {
    background: linear-gradient(135deg, #FFD4A3 0%, #FFBF8B 100%);
    color: var(--text-white);
}

.company-benefits .section-title,
.company-benefits .section-subtitle {
    color: var(--text-white);
}

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

.benefit-card {
    background-color: var(--bg-white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.company-benefits .benefit-card {
    background-color: rgba(255, 255, 255, 0.95);
}

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

/* アイコンと題名を横並びに */
.benefit-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.benefit-icon i {
    font-size: 1.75rem;
    color: var(--text-white);
}

.benefit-card h3 {
    font-size: 1.25rem;
    margin: 0;
}

.benefit-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==========================================
   ストーリーセクション
   ========================================== */
.stories-section {
    padding: 6rem 0;
    background-color: var(--bg-white);
}

.stories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.story-card {
    background-color: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

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

.story-image {
    background: linear-gradient(135deg, var(--gray-200), var(--gray-300));
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--gray-400);
}

.story-content {
    padding: 2rem;
}

.story-tag {
    display: inline-block;
    background-color: var(--primary-light);
    color: var(--text-white);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.story-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.story-preview {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.story-status {
    font-size: 0.875rem;
    color: var(--driver-color);
    font-weight: 600;
}

.pilot-cta {
    text-align: center;
    background-color: var(--bg-white);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.pilot-text {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

/* ==========================================
   フローセクション
   ========================================== */
.flow-section {
    padding: 6rem 0;
}

.learner-flow {
    background-color: var(--bg-white);
}

.company-flow {
    background-color: var(--bg-light);
}

.flow-type {
    font-size: 1.25rem;
    color: var(--primary-color);
    font-weight: 500;
}

/* 利用の流れ図のスタイル */
.flow-diagram {
    margin-bottom: 4rem;
}

.flow-diagram:last-child {
    margin-bottom: 0;
}

.diagram-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2rem;
    text-align: center;
}

.flow-image-wrapper {
    max-width: 1000px;
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
    border-radius: 12px;
    overflow: hidden;
    background-color: var(--bg-white);
}

.flow-diagram-image {
    width: 100%;
    height: auto;
    display: block;
}

.flow-steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.flow-steps.horizontal {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 100%;
}

.flow-step-card {
    background-color: var(--bg-white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.flow-steps.horizontal .flow-step-card {
    flex: 1;
    min-width: 200px;
    flex-direction: column;
    text-align: center;
}

.flow-step-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-xl);
}

.flow-steps.horizontal .flow-step-card:hover {
    transform: translateY(-10px);
}

.flow-step-number {
    min-width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.flow-step-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.flow-steps.horizontal .flow-step-icon {
    margin-bottom: 1rem;
}

.flow-step-card h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.flow-step-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.flow-connector {
    width: 2px;
    height: 30px;
    background-color: var(--primary-color);
    margin: 0 auto;
}

.flow-steps.horizontal .flow-connector {
    width: 30px;
    height: 2px;
    align-self: center;
}

/* ==========================================
   安全セクション
   ========================================== */
.safety-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #FEF3C7 0%, #FED7AA 100%);
}

.safety-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.safety-card {
    background-color: var(--bg-light);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition-base);
    border: 2px solid transparent;
}

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

.safety-card i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.safety-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.safety-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==========================================
   料金セクション
   ========================================== */
.pricing-section {
    padding: 6rem 0;
    background-color: var(--bg-light);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2.5rem;
}

.pricing-card {
    background-color: var(--bg-white);
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    transition: var(--transition-base);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.pricing-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-white);
    padding: 2rem;
    text-align: center;
}

.pricing-header i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.pricing-header h3 {
    font-size: 1.75rem;
    color: var(--text-white);
}

.pricing-content {
    padding: 2.5rem;
}

.pricing-item {
    margin-bottom: 2rem;
}

.pricing-item:last-child {
    margin-bottom: 0;
}

.pricing-item h4 {
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
}

.pricing-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.pricing-list {
    list-style: none;
}

.pricing-list li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

.pricing-list strong {
    color: var(--text-primary);
    font-weight: 700;
}

.pricing-item.pilot {
    background: linear-gradient(135deg, #FEF3C7, #FCD34D);
    padding: 1.5rem;
    border-radius: 8px;
}

.pricing-item.pilot h4 {
    color: var(--driver-color);
}

.pricing-item.pilot p {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.125rem;
}

.pricing-note {
    background-color: var(--bg-light);
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1.5rem;
}

.pricing-note i {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

/* ==========================================
   FAQセクション
   ========================================== */
.faq-section {
    padding: 6rem 0;
    background-color: var(--bg-white);
}

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

.faq-item {
    background-color: var(--bg-white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    margin-bottom: 1.5rem;
    overflow: hidden;
    transition: var(--transition-base);
}

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

.faq-question {
    padding: 1.5rem 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    background-color: var(--bg-light);
    transition: var(--transition-base);
}

.faq-question:hover {
    background-color: var(--gray-100);
}

.faq-question h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
}

.faq-question i {
    color: var(--primary-color);
    transition: var(--transition-base);
    flex-shrink: 0;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 1.5rem 2rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin: 0;
}

/* ==========================================
   コンタクトセクション
   ========================================== */
.contact-section {
    padding: 6rem 0;
    background: linear-gradient(to bottom, var(--bg-light), var(--bg-white));
}

.contact-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.contact-tab {
    padding: 1rem 2rem;
    font-size: 1.125rem;
    font-weight: 600;
    background-color: var(--bg-white);
    color: var(--text-secondary);
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-base);
    font-family: var(--font-ja);
}

.contact-tab:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.contact-tab.active {
    background-color: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-color);
}

.contact-forms {
    max-width: 700px;
    margin: 0 auto;
}

.contact-form-wrapper {
    display: none;
}

.contact-form-wrapper.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.contact-form {
    background-color: var(--bg-white);
    border-radius: 16px;
    padding: 3rem;
    box-shadow: var(--shadow-xl);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.required {
    color: var(--medical-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    font-size: 1rem;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    transition: var(--transition-base);
    font-family: var(--font-ja);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 400;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

.contact-form button[type="submit"] {
    width: 100%;
    margin-top: 1rem;
}

/* ==========================================
   運営者情報セクション
   ========================================== */
.about-us-section {
    padding: 6rem 0;
    background-color: var(--bg-light);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.about-content h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.mission, .vision, .message {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.mission h3, .vision h3, .message h3 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.mission h3 i, .vision h3 i, .message h3 i {
    font-size: 1.5rem;
}

.mission p {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.company-info {
    background-color: var(--bg-white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    height: fit-content;
}

.company-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.info-table {
    width: 100%;
}

.info-table tr {
    border-bottom: 1px solid var(--gray-200);
}

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

.info-table th,
.info-table td {
    padding: 1rem 0;
    text-align: left;
}

.info-table th {
    font-weight: 600;
    color: var(--text-primary);
    width: 120px;
}

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

/* ==========================================
   フッター
   ========================================== */
.footer {
    background-color: var(--gray-900);
    color: var(--gray-300);
    padding: 4rem 0 2rem;
}

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

.footer-section h4 {
    color: var(--text-white);
    font-size: 1.125rem;
    margin-bottom: 1.25rem;
}

.footer-section p {
    line-height: 1.7;
    margin-bottom: 1rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: var(--gray-800);
    color: var(--text-white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition-base);
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

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

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

.footer-section ul li a {
    color: var(--gray-300);
    text-decoration: none;
    transition: var(--transition-base);
}

.footer-section ul li a:hover {
    color: var(--text-white);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-800);
}

/* ==========================================
   トップに戻るボタン
   ========================================== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-5px);
}

/* ==========================================
   レスポンシブデザイン
   ========================================== */
@media (max-width: 1024px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    /* ヒーロー画像をモバイルで縦に配置 */
    .hero-background-images {
        flex-direction: column;
    }
    
    .hero-image-section {
        height: 33.33%;
        margin-left: 0 !important;
    }
    
    .hero-image-1 {
        clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
    }
    
    .hero-image-2 {
        clip-path: polygon(0 0, 100% 10%, 100% 90%, 0 100%);
    }
    
    .hero-image-3 {
        clip-path: polygon(0 10%, 100% 0, 100% 100%, 0 100%);
    }
    
    /* ナビゲーションをコンパクトに */
    .nav-menu {
        position: fixed;
        top: 50px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 50px);
        background-color: var(--bg-white);
        flex-direction: column;
        padding: 1.5rem;
        gap: 1rem;
        transition: var(--transition-base);
        box-shadow: var(--shadow-lg);
        align-items: flex-start;
    }
    
    .navbar {
        padding: 0.5rem 0;
    }
    
    .nav-wrapper {
        padding: 0.5rem 0;
    }
    
    .logo {
        font-size: 1rem;
    }
    
    .logo i {
        font-size: 1.25rem;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    /* ヒーローセクションをコンパクトに */
    .hero {
        padding-top: calc(50px + 2rem) !important;
        padding-bottom: 1.5rem !important;
        min-height: auto !important;
        margin-top: 0 !important;
    }
    
    .hero-content {
        padding-top: 0 !important;
        margin-top: 0 !important;
    }
    
    .hero-text-box {
        padding: 1.5rem 1.5rem;
        max-width: 100%;
    }
    
    .hero-title {
        font-size: 1.2rem;
        line-height: 1.4;
        margin-bottom: 1rem;
        white-space: normal;
    }
    
    .hero-subtitle {
        font-size: 0.85rem;
        line-height: 1.6;
        margin-bottom: 0;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: 0.75rem;
        margin-top: 1.5rem;
        margin-bottom: 0;
    }
    
    .hero-cta .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
        white-space: normal;
        text-align: center;
        line-height: 1.4;
    }
    
    .hero-cta .btn i,
    .btn i {
        font-size: 0.9rem;
    }
    
    /* セクション全体をコンパクトに */
    section {
        padding: 2.5rem 0 !important;
    }
    
    .section-header {
        margin-bottom: 1.5rem;
    }
    
    .section-title {
        font-size: 1.4rem;
        line-height: 1.4;
        margin-bottom: 0.75rem;
    }
    
    .section-subtitle {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    .subsection-title {
        font-size: 1rem;
        margin-bottom: 0.75rem;
    }
    
    /* 利用の流れの画像をコンパクトに */
    .flow-diagram {
        margin-bottom: 2rem;
    }
    
    .flow-image-wrapper {
        border-radius: 8px;
    }
    
    .diagram-flow {
        flex-direction: column;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
    }
    
    .process-arrow {
        display: none;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .flow-steps.horizontal {
        flex-direction: column;
    }
    
    .flow-steps.horizontal .flow-connector {
        width: 2px;
        height: 30px;
    }
    
    .flow-steps.horizontal .flow-step-card {
        text-align: left;
        flex-direction: row;
    }
    
    /* その他の要素もコンパクトに */
    .problem-grid,
    .benefits-grid,
    .safety-grid,
    .services-grid,
    .pricing-grid {
        gap: 0.75rem;
    }
    
    .problem-card,
    .benefit-card,
    .safety-card,
    .service-card,
    .pricing-card {
        padding: 1rem;
        border-radius: 8px;
    }
    
    /* アイコンサイズを調整 */\n    .problem-card-header {\n        gap: 0.75rem;\n        margin-bottom: 0.75rem;\n    }\n    \n    .problem-icon {\n        font-size: 1.75rem;\n    }\n    \n    .service-card-header {\n        gap: 1rem;\n        margin-bottom: 0.75rem;\n    }\n    \n    .service-icon {\n        width: 50px;\n        height: 50px;\n        font-size: 1.5rem;\n    }\n    \n    .benefit-card-header {\n        gap: 0.75rem;\n        margin-bottom: 0.5rem;\n    }\n    \n    .benefit-icon {\n        width: 40px;\n        height: 40px;\n    }\n    \n    .benefit-icon i {\n        font-size: 1.25rem;\n    }
    
    .problem-list i {
        font-size: 0.85rem;
    }
    
    .problem-card h3,
    .benefit-card h3,
    .safety-card h3,
    .service-card h3 {
        font-size: 0.95rem;
        margin-bottom: 0.5rem;
    }
    
    .problem-list li,
    .benefit-list li {
        font-size: 0.8rem;
        padding: 0.35rem 0;
    }
    
    .contact-form {
        padding: 1.25rem;
    }
    
    .form-group {
        margin-bottom: 0.75rem;
    }
    
    .form-group label {
        font-size: 0.875rem;
        margin-bottom: 0.35rem;
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        padding: 0.625rem 0.875rem;
        font-size: 0.875rem;
    }
    
    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.875rem;
    }
    
    .flow-step-card {
        padding: 0.875rem;
        gap: 0.75rem;
    }
    
    .flow-step-icon {
        font-size: 1.25rem;
    }
    
    .flow-step-number {
        min-width: 35px;
        height: 35px;
        font-size: 1.125rem;
    }
    
    .flow-step-card h3 {
        font-size: 0.9rem;
    }
    
    .flow-step-card p {
        font-size: 0.8rem;
    }
    
    .faq-item {
        padding: 0.875rem;
    }
    
    .faq-question {
        font-size: 0.9rem;
    }
    
    .faq-answer {
        font-size: 0.85rem;
        padding: 0.75rem 0 0;
    }
    
    /* 提携企業セクション - 2列表示 */
    .partners-showcase-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .partner-showcase-card {
        border-radius: 12px;
    }
    
    .partner-card-header {
        flex-direction: row;
        text-align: left;
        padding: 0.75rem;
        min-height: auto;
        gap: 0.75rem;
    }
    
    .partner-logo-large {
        width: 50px;
        height: 50px;
        border-radius: 6px;
    }
    
    .partner-card-title h3 {
        font-size: 0.9rem;
        margin-bottom: 0.25rem;
    }
    
    .partner-industry-tag {
        padding: 0.2rem 0.4rem;
        font-size: 0.65rem;
    }
    
    .partner-card-body {
        padding: 0.75rem;
    }
    
    .partner-description {
        font-size: 0.7rem;
        line-height: 1.4;
        margin-bottom: 0.5rem;
    }
    
    .partner-highlights {
        margin-bottom: 0.5rem;
    }
    
    .partner-highlights h4 {
        font-size: 0.75rem;
        margin-bottom: 0.25rem;
    }
    
    .partner-highlights li {
        font-size: 0.7rem;
        padding: 0.2rem 0;
    }
    
    .partner-highlights li::before {
        font-size: 0.75rem;
    }
    
    .partner-meta {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0.5rem;
        font-size: 0.65rem;
        padding-top: 0.5rem;
    }
    
    .partner-card-footer {
        padding: 0.6rem 0.75rem;
    }
    
    .partner-cta {
        font-size: 0.75rem;
        padding: 0.5rem 1rem;
    }
    
    .partners-view-all {
        margin-top: 1rem;
    }
    
    .partners-view-all .btn {
        min-width: auto;
        width: 100%;
        padding: 0.75rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    /* iPhone SE/8 (375px)基準 - モバイル標準サイズ */
    .container {
        padding: 0 1.25rem; /* 20px左右余白 */
        max-width: 375px;
    }
    
    /* ヘッダー: 50-60px */
    .navbar {
        padding: 0.75rem 0; /* 12px = 56px total */
    }
    
    .nav-wrapper {
        padding: 0.5rem 0;
    }
    
    .logo {
        font-size: 1rem;
    }
    
    .logo i {
        font-size: 1.25rem;
    }
    
    .nav-menu {
        top: 56px;
        height: calc(100vh - 56px);
    }
    
    /* ヒーロー: ナビゲーションバーの下に完全表示 */
    .hero {
        padding-top: calc(56px + 5rem) !important; /* ナビゲーション56px + 余白80px = 136px */
        padding-bottom: 2rem !important; /* 32px */
        min-height: auto !important;
        max-height: none !important;
        margin-top: 0 !important;
    }
    
    .hero-content {
        margin-top: 0 !important;
        padding-top: 0 !important;
    }
    
    /* H1: 24-28px */
    .hero-title {
        font-size: 1.5rem; /* 24px */
        line-height: 1.4;
        margin-bottom: 0.75rem; /* 12px */
    }
    
    /* Body: 14-16px */
    .hero-subtitle {
        font-size: 0.875rem; /* 14px */
        line-height: 1.6;
        margin-bottom: 1rem; /* 16px */
    }
    
    /* ボタン: 327px幅 x 48-52px高さ */
    .btn-large {
        width: calc(100% - 3rem); /* 327px (375 - 48) */
        max-width: 327px;
        padding: 0.875rem 1rem; /* 14px + 16px = 48px total */
        font-size: 0.875rem; /* 14px */
        min-height: 48px;
    }
    
    .hero-cta {
        gap: 0.75rem; /* 12px */
        margin-bottom: 1rem;
    }
    
    .hero-cta .btn i,
    .btn i {
        font-size: 0.875rem; /* 14px */
    }
    
    /* セクション間: 40-60px */
    section {
        padding: 2.5rem 0 !important; /* 40px */
    }
    
    /* H2: 20-24px */
    .section-title {
        font-size: 1.375rem; /* 22px */
        line-height: 1.4;
        margin-bottom: 0.75rem; /* 12px */
    }
    
    /* Body: 14-16px */
    .section-subtitle {
        font-size: 0.875rem; /* 14px */
        line-height: 1.6;
    }
    
    /* セクションヘッダー */
    .section-header {
        margin-bottom: 1.5rem; /* 24px */
    }
    
    /* 提携企業: 2列表示 */
    .partners-showcase-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem; /* 12px */
    }
    
    /* カード内部パディング: 16-20px */
    .partner-card-header {
        padding: 1rem; /* 16px */
        gap: 0.5rem; /* 8px */
    }
    
    .partner-logo-large {
        width: 50px;
        height: 50px;
    }
    
    .partner-card-title h3 {
        font-size: 0.9rem;
    }
    
    .partner-industry-tag {
        font-size: 0.65rem;
        padding: 0.2rem 0.4rem;
    }
    
    .partner-card-body {
        padding: 1rem; /* 16px */
    }
    
    /* 提携企業カード */
    .partner-description {
        font-size: 0.875rem; /* 14px */
        line-height: 1.6;
        margin-bottom: 0.75rem; /* 12px */
    }
    
    .partner-highlights {
        margin-bottom: 0.75rem; /* 12px */
    }
    
    /* Small: 12-14px */
    .partner-highlights h4 {
        font-size: 0.875rem; /* 14px */
        margin-bottom: 0.5rem; /* 8px */
    }
    
    .partner-highlights li {
        font-size: 0.8125rem; /* 13px */
        padding: 0.25rem 0; /* 4px */
        line-height: 1.6;
    }
    
    /* Small: 12-14px */
    .partner-meta {
        font-size: 0.75rem; /* 12px */
        gap: 0.5rem; /* 8px */
        padding-top: 0.75rem; /* 12px */
    }
    
    .partner-card-footer {
        padding: 0.75rem 1rem; /* 12px 16px */
    }
    
    .partner-cta {
        font-size: 0.875rem; /* 14px */
    }
    
    .trust-logos {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    /* アイコンサイズ */
    .problem-card-header {
        gap: 0.75rem; /* 12px */
        margin-bottom: 0.75rem; /* 12px */
    }
    
    .problem-icon {
        font-size: 1.75rem; /* 28px */
    }
    
    .service-card-header {
        gap: 1rem; /* 16px */
        margin-bottom: 0.75rem; /* 12px */
    }
    
    .service-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem; /* 24px */
    }
    
    /* H3: 18-20px */
    .service-title {
        font-size: 1.125rem; /* 18px */
    }
    
    .benefit-card-header {
        gap: 0.75rem; /* 12px */
        margin-bottom: 0.5rem; /* 8px */
    }
    
    .benefit-icon {
        width: 40px;
        height: 40px;
    }
    
    .benefit-icon i {
        font-size: 1.25rem; /* 20px */
    }
    
    .problem-list i {
        font-size: 0.75rem;
    }
    
    /* カードコンポーネント */
    .problem-card,
    .benefit-card,
    .safety-card,
    .service-card {
        padding: 1.125rem; /* 18px */
        border-radius: 0.75rem; /* 12px */
        margin-bottom: 1rem; /* 16px */
        width: 100%;
        max-width: 327px;
        margin-left: auto;
        margin-right: auto;
    }
    
    /* H3: 18-20px */
    .problem-card h3,
    .benefit-card h3 {
        font-size: 1.125rem; /* 18px */
        margin-bottom: 0.5rem; /* 8px */
    }
    
    /* Body: 14-16px */
    .problem-list li,
    .benefit-list li {
        font-size: 0.875rem; /* 14px */
        padding: 0.5rem 0; /* 8px */
        line-height: 1.6;
    }
    
    /* フローカード */
    .flow-step-card {
        padding: 1rem; /* 16px */
        gap: 0.75rem; /* 12px */
    }
    
    .flow-step-icon {
        font-size: 1.25rem; /* 20px */
    }
    
    /* タッチターゲット: 最小44px */
    .flow-step-number {
        min-width: 44px;
        height: 44px;
        font-size: 1.125rem; /* 18px */
    }
    
    /* H3: 18-20px */
    .flow-step-card h3 {
        font-size: 1rem; /* 16px */
    }
    
    /* Body: 14-16px */
    .flow-step-card p {
        font-size: 0.875rem; /* 14px */
        line-height: 1.6;
    }
    
    /* ボタン */
    .btn {
        font-size: 0.875rem; /* 14px */
        padding: 0.75rem 1rem; /* 12px 16px */
        min-height: 44px; /* タッチターゲット */
    }
    
    /* FAQ */
    .faq-item {
        padding: 1rem; /* 16px */
        border-radius: 0.5rem; /* 8px */
    }
    
    /* H3: 18-20px */
    .faq-question {
        font-size: 1rem; /* 16px */
        line-height: 1.5;
    }
    
    /* Body: 14-16px */
    .faq-answer {
        font-size: 0.875rem; /* 14px */
        padding: 0.75rem 0 0; /* 12px */
        line-height: 1.6;
    }
    
    /* 要素間マージン: 16-24px */
    .partners-view-all {
        margin-top: 1.5rem; /* 24px */
    }
    
    /* フォーム要素 */
    .form-group {
        margin-bottom: 1rem; /* 16px */
    }
    
    /* Small: 12-14px */
    .form-group label {
        font-size: 0.875rem; /* 14px */
        margin-bottom: 0.5rem; /* 8px */
    }
    
    /* Body: 14-16px */
    .form-group input,
    .form-group select,
    .form-group textarea {
        font-size: 0.875rem; /* 14px */
        padding: 0.75rem 1rem; /* 12px 16px */
        min-height: 44px; /* タッチターゲット */
        border-radius: 0.5rem; /* 8px */
    }
    
    /* コンタクトフォーム */
    .contact-form {
        padding: 1.25rem; /* 20px */
        border-radius: 0.75rem; /* 12px */
        max-width: 327px;
        margin: 0 auto;
    }
    
    /* 本文テキスト: 14-16px, 行間1.5-1.8 */
    p, li, span {
        font-size: 0.875rem; /* 14px */
        line-height: 1.6;
    }
    
    /* Small: 12-14px */
    small, .small-text {
        font-size: 0.75rem; /* 12px */
        line-height: 1.5;
    }
}