/* ========================================
   Reset & Base Styles
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Primary Colors */
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #60a5fa;
    
    /* Secondary Colors */
    --secondary-color: #10b981;
    --secondary-dark: #059669;
    
    /* Accent Colors */
    --accent-red: #ef4444;
    --accent-orange: #f59e0b;
    --accent-purple: #8b5cf6;
    --accent-teal: #14b8a6;
    
    /* Neutral Colors */
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Typography - Universal Design Fonts for Better Accessibility */
    /* BIZ UDPMincho: ユニバーサルデザイン明朝体（可読性重視） */
    /* BIZ UDPGothic: ユニバーサルデザインゴシック体（視認性重視） */
    --font-mincho: 'BIZ UDPMincho', 'Yu Mincho', 'YuMincho', 'Hiragino Mincho ProN', 'Hiragino Mincho Pro', 'MS PMincho', serif;
    --font-gothic: 'BIZ UDPGothic', 'Yu Gothic', 'YuGothic', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Meiryo', sans-serif;
    --font-sans: var(--font-mincho);
    --font-display: var(--font-mincho);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-gothic); /* ゴシック体で視認性向上 */
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
}

.section-title {
    font-family: var(--font-gothic); /* ゴシック体で視認性向上 */
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    font-weight: 700;
}

.section-title .highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.125rem;
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    font-family: var(--font-gothic); /* ボタンはゴシック体で視認性向上 */
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

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

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

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

.btn-urgent {
    background: var(--gradient-warning);
    color: white;
    animation: pulse 2s infinite;
}

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

.btn-block {
    display: flex;
    justify-content: center;
    width: 100%;
}

.btn-header {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
}

/* ========================================
   Header
   ======================================== */
.header {
    background: white;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

/* ========================================
   Breadcrumb Navigation
   ======================================== */
.breadcrumb-nav {
    background: var(--bg-light);
    padding: 0.75rem 0;
    font-size: 0.875rem;
}

.breadcrumb {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.breadcrumb li {
    display: flex;
    align-items: center;
}

.breadcrumb li:not(:last-child)::after {
    content: '›';
    margin-left: 0.5rem;
    color: var(--text-secondary);
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i {
    font-size: 1.5rem;
}

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

/* デスクトップナビゲーション（768px以下では非表示） */
@media (max-width: 768px) {
    .header-nav.desktop-nav {
        display: none;
    }
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* ========================================
   Mobile Menu
   ======================================== */
/* ハンバーガーメニューボタン（デフォルトは非表示、768px以下で表示） */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 2.5rem;
    height: 2.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1100;
    transition: all 0.3s ease;
    position: relative;
    border-radius: var(--radius-md);
}

.mobile-menu-toggle:hover {
    background: var(--bg-light);
}

/* モバイル（768px以下）でハンバーガーボタンを表示 */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex !important;
    }
}

.hamburger-line {
    width: 100%;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* メニューが開いている時のハンバーガーアイコン */
.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* モバイルメニュー（デフォルトは画面外に配置） */
.mobile-menu {
    display: block;
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: white;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
    z-index: 9999;
    overflow-y: auto;
    transition: right 0.3s ease;
    visibility: hidden;
}

.mobile-menu.active {
    right: 0;
    visibility: visible;
    z-index: 9999;
}

.mobile-menu-content {
    padding: 5rem 0 2rem;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1061;
}

.mobile-menu-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 2rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
    position: relative;
    z-index: 1062;
    cursor: pointer;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
}

.mobile-menu-link:hover,
.mobile-menu-link:active {
    background: var(--bg-light);
    border-left-color: var(--primary-color);
    color: var(--primary-color);
}

.mobile-menu-link i {
    font-size: 1.25rem;
    width: 1.5rem;
    text-align: center;
    color: var(--primary-color);
}

.mobile-menu-link span {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.mobile-menu-link small {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* 電話リンクのスタイル */
.mobile-menu-phone {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white !important;
    border-left: none !important;
    margin: 1rem 1rem 0;
    border-radius: var(--radius-lg);
}

.mobile-menu-phone i {
    color: white !important;
}

.mobile-menu-phone:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* CTAリンクのスタイル */
.mobile-menu-cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e40af 100%);
    color: white !important;
    border-left: none !important;
    margin: 0.5rem 1rem 1rem;
    border-radius: var(--radius-lg);
}

.mobile-menu-cta i {
    color: white !important;
}

.mobile-menu-cta:hover {
    background: linear-gradient(135deg, #1e40af 0%, #1e3a8a 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* オーバーレイ */
.mobile-menu-overlay {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1040;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    pointer-events: none;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}
    visibility: visible;
    pointer-events: auto;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: inherit;
    opacity: 0;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-badge {
    font-family: var(--font-gothic); /* バッジはゴシック体 */
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1.5rem;
    border-radius: 9999px;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.badge-icon {
    display: flex;
    align-items: center;
    color: #f59e0b;
}

.hero-title {
    font-family: var(--font-gothic); /* タイトルはゴシック体 */
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.title-emphasis {
    font-family: var(--font-gothic); /* 強調テキストはゴシック体 */
    font-size: 1.5rem;
    font-weight: 700;
    color: #fbbf24;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.6),
                 0 0 10px rgba(0, 0, 0, 0.4);
}

.title-main {
    font-family: var(--font-gothic); /* メインタイトルはゴシック体 */
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    color: white;
    text-shadow: 1px 1px 6px rgba(0, 0, 0, 0.7),
                 0 0 12px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    line-height: 1.8;
    color: white;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.6),
                 0 0 8px rgba(0, 0, 0, 0.4);
}

.hero-audio {
    max-width: 700px;
    margin: 0 auto 2.5rem;
    background: rgba(255, 255, 255, 0.95);
    padding: 1.25rem;
    border-radius: var(--radius-xl);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.audio-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
}

.audio-label i {
    font-size: 1.25rem;
    color: var(--primary-color);
}

.hero-audio iframe {
    border-radius: var(--radius-md);
    display: block;
}

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

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

.stat-number {
    font-family: var(--font-gothic); /* 数値はゴシック体で視認性向上 */
    font-size: 2.5rem;
    font-weight: 700;
    color: #fbbf24;
    line-height: 1;
    margin-bottom: 0.5rem;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.6),
                 0 0 10px rgba(0, 0, 0, 0.4);
}

.stat-label {
    font-family: var(--font-gothic); /* ラベルもゴシック体 */
    font-size: 0.875rem;
    opacity: 0.95;
    color: white;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.6),
                 0 0 8px rgba(0, 0, 0, 0.4);
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.btn-listen {
    font-size: 1.25rem;
    padding: 1.25rem 3rem;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    animation: pulse-glow 2s infinite;
}

.btn-listen:hover {
    background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(245, 158, 11, 0.4);
    }
    50% {
        box-shadow: 0 0 30px rgba(245, 158, 11, 0.6);
    }
}

.hero-trust {
    font-size: 0.875rem;
    opacity: 0.95;
    color: white;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.6),
                 0 0 6px rgba(0, 0, 0, 0.4);
}

.hero-trust i {
    color: #10b981;
    margin-right: 0.25rem;
    filter: drop-shadow(1px 1px 2px rgba(0, 0, 0, 0.5));
}

/* ========================================
   Urgency Section
   ======================================== */
.urgency {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    padding: 2rem 0;
}

.urgency-content {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.urgency-icon {
    font-size: 3rem;
    color: #d97706;
}

.urgency-text {
    flex: 1;
    min-width: 300px;
}

.urgency-text h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.urgency-text .highlight {
    color: #dc2626;
    font-weight: 900;
}

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

/* ========================================
   Target Section
   ======================================== */
.target {
    padding: 5rem 0;
    background: var(--bg-light);
}

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

.target-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

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

.target-icon {
    width: 4rem;
    height: 4rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

.target-icon-red {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #dc2626;
}

.target-icon-blue {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #2563eb;
}

.target-icon-green {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #059669;
}

.target-icon-orange {
    background: linear-gradient(135deg, #fed7aa 0%, #fdba74 100%);
    color: #ea580c;
}

.target-icon-purple {
    background: linear-gradient(135deg, #ede9fe 0%, #ddd6fe 100%);
    color: #7c3aed;
}

.target-icon-teal {
    background: linear-gradient(135deg, #ccfbf1 0%, #99f6e4 100%);
    color: #0d9488;
}

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

.target-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* ========================================
   Solution Section
   ======================================== */
.solution {
    padding: 4rem 0 2rem;
    background: white;
}

.solution-header {
    text-align: center;
    margin-bottom: 3rem;
}

.solution-image-wrapper {
    max-width: 1000px;
    margin: 0 auto;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    background: white;
}

.solution-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.solution-image-caption {
    padding: 1.5rem 2rem;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    display: flex;
    align-items: center;
    gap: 1rem;
    border-top: 3px solid var(--primary-color);
}

.solution-image-caption i {
    font-size: 2rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.solution-image-caption p {
    margin: 0;
    color: var(--text-primary);
    font-size: 1rem;
    line-height: 1.6;
    font-weight: 500;
}

/* ========================================
   Certification Section
   ======================================== */
.certification {
    padding: 3rem 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.certification-box {
    background: white;
    border-radius: var(--radius-2xl);
    padding: 3rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    border: 3px solid #2563eb;
}

.certification-icon {
    flex-shrink: 0;
    width: 5rem;
    height: 5rem;
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    box-shadow: var(--shadow-md);
}

.certification-content h3 {
    font-family: var(--font-gothic); /* 認定タイトルはゴシック体 */
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 700;
}

.certification-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

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

.certification-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.cert-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.cert-feature i {
    color: var(--secondary-color);
    font-size: 1.25rem;
}

/* ========================================
   Benefits Section
   ======================================== */
.benefits {
    padding: 3rem 0 5rem;
    background: white;
}

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

.benefit-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2rem;
    position: relative;
    transition: all 0.3s ease;
}

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

.benefit-number {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 3rem;
    font-weight: 900;
    color: var(--border-color);
    line-height: 1;
}

.benefit-icon {
    width: 4rem;
    height: 4rem;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
    margin-bottom: 1.5rem;
}

.benefit-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.benefit-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.benefit-tag {
    display: inline-block;
    background: var(--bg-light);
    color: var(--primary-color);
    padding: 0.375rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* ========================================
   Mechanism Section
   ======================================== */
.mechanism {
    padding: 5rem 0;
    background: var(--bg-light);
}

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

.mechanism-step {
    background: white;
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.step-number {
    flex-shrink: 0;
    width: 4rem;
    height: 4rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 900;
    color: white;
}

.step-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.step-content h3 i {
    color: var(--primary-color);
}

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

.mechanism-arrow {
    text-align: center;
    font-size: 2rem;
    color: var(--primary-color);
    margin: 1rem 0;
}

/* ========================================
   Case Study Section
   ======================================== */
.case-study {
    padding: 5rem 0;
    background: white;
}

.case-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.case-tab {
    padding: 0.75rem 1.5rem;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.case-tab.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

.case-content {
    position: relative;
}

.case-panel {
    display: none;
}

.case-panel.active {
    display: block;
}

.case-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    background: var(--bg-light);
    padding: 2rem;
    border-radius: var(--radius-xl);
}

.case-info h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.case-stats {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.case-stat-item {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.case-stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.case-stat-value {
    font-size: 2rem;
    font-weight: 900;
    font-family: var(--font-display);
    color: var(--primary-color);
}

.case-stat-value span {
    font-size: 1rem;
    font-weight: 600;
    margin-left: 0.25rem;
}

.case-calculation {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.case-calculation h4 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.calc-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
}

.calc-table th,
.calc-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.calc-table th {
    font-weight: 600;
    color: var(--text-secondary);
}

.calc-table td {
    font-weight: 700;
    text-align: right;
}

.calc-table .positive {
    color: var(--secondary-color);
}

.calc-table .total-row {
    background: var(--bg-light);
    font-size: 1.125rem;
}

.calc-table .total-row td {
    border-bottom: none;
}

.highlight-value {
    font-size: 1.5rem !important;
    color: var(--primary-color) !important;
}

.calc-note {
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.calc-note i {
    color: var(--secondary-color);
}

/* ========================================
   Comparison Section
   ======================================== */
.comparison {
    padding: 5rem 0;
    background: var(--bg-light);
}

.comparison-table-wrapper {
    overflow-x: auto;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    padding: 1rem;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
}

.comparison-table thead {
    background: var(--gradient-primary);
    color: white;
}

.comparison-table th,
.comparison-table td {
    padding: 1.25rem 1rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th:first-child,
.comparison-table td:first-child {
    text-align: left;
    font-weight: 600;
}

.comparison-table .highlight-col {
    background: rgba(37, 99, 235, 0.05);
    font-weight: 700;
}

.comparison-table .success {
    color: var(--secondary-color);
    font-size: 1.25rem;
}

.comparison-table .danger {
    color: var(--accent-red);
    font-size: 1.25rem;
}

.comparison-table .warning {
    color: var(--accent-orange);
    font-size: 1.25rem;
}

.comparison-note {
    margin-top: 2rem;
    text-align: center;
    color: var(--text-secondary);
}

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

/* ========================================
   FAQ Section
   ======================================== */
.faq {
    padding: 5rem 0;
    background: white;
}

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

.faq-item {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--primary-color);
}

.faq-question {
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: var(--bg-light);
}

.faq-question i:first-child {
    color: var(--primary-color);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.faq-question i:last-child {
    margin-left: auto;
    transition: transform 0.3s ease;
}

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

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

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ========================================
   Testimonials Section
   ======================================== */
.testimonials {
    padding: 5rem 0;
    background: var(--bg-light);
}

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

.testimonial-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.testimonial-icon {
    width: 3rem;
    height: 3rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.testimonial-info h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

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

.testimonial-content {
    margin-bottom: 1rem;
}

.testimonial-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 0.9375rem;
}

.testimonial-rating {
    color: #fbbf24;
}

/* ========================================
   Flow Section
   ======================================== */
.flow {
    padding: 5rem 0;
    background: white;
}

.flow-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.flow-timeline::before {
    content: '';
    position: absolute;
    left: 2rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-color), var(--primary-light));
}

.flow-step {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.flow-step-number {
    flex-shrink: 0;
    width: 4rem;
    height: 4rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 900;
    color: white;
    box-shadow: var(--shadow-lg);
    z-index: 1;
}

.flow-step-content {
    flex: 1;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.flow-step-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.flow-step-content h3 i {
    color: var(--primary-color);
}

.flow-step-content p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 0.75rem;
}

.flow-duration {
    display: inline-block;
    background: var(--bg-light);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* ========================================
   Audio Section
   ======================================== */
.audio-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.audio-section-content {
    max-width: 900px;
    margin: 0 auto;
}

.audio-header {
    text-align: center;
    margin-bottom: 3rem;
}

.audio-title {
    font-family: var(--font-gothic); /* 音声タイトルはゴシック体 */
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.audio-title i {
    color: var(--primary-color);
    font-size: 2.5rem;
}

.audio-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto;
}

.audio-player-wrapper {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    margin-bottom: 3rem;
    border: 2px solid rgba(37, 99, 235, 0.1);
}

.audio-player-wrapper iframe {
    border-radius: var(--radius-lg);
}

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

.audio-point {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    transition: all 0.3s ease;
}

.audio-point:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.point-icon {
    flex-shrink: 0;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--gradient-success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.point-text h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.point-text p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========================================
   CTA Section
   ======================================== */
.cta {
    padding: 5rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

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

.cta-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-subtitle {
    font-size: 1.125rem;
    margin-bottom: 3rem;
    opacity: 0.95;
}

.cta-form {
    background: white;
    border-radius: var(--radius-2xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-xl);
    margin-bottom: 3rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    text-align: left;
}

.form-group label {
    font-family: var(--font-gothic); /* ラベルはゴシック体 */
    display: block;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.required {
    color: var(--accent-red);
    font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    font-family: var(--font-gothic); /* フォーム入力はゴシック体で視認性向上 */
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.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(37, 99, 235, 0.1);
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-checkbox input {
    width: auto;
}

.form-checkbox label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.form-checkbox a {
    color: var(--primary-color);
    text-decoration: underline;
}

.form-note {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    font-style: italic;
}

.cta-contact-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    text-align: left;
}

.contact-info-item i {
    font-size: 2rem;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.contact-info-item h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: white;
}

.contact-info-item p {
    font-size: 0.875rem;
    opacity: 0.9;
    margin: 0;
}

.phone-number {
    font-size: 1.5rem !important;
    font-weight: 700 !important;
    font-family: var(--font-display) !important;
}

.phone-hours {
    font-size: 0.75rem !important;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-col h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: white;
}

.footer-col h4 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: white;
}

.footer-col p {
    font-size: 0.875rem;
    opacity: 0.8;
    line-height: 1.7;
}

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

.footer-col ul li {
    margin-bottom: 0.5rem;
}

.footer-col ul li a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-col ul li a:hover {
    opacity: 1;
}

.footer-trust {
    margin-top: 1rem;
}

.footer-trust p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.footer-trust i {
    color: #10b981;
}

.footer-address {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-address p {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
    font-size: 0.875rem;
}

.footer-address i {
    color: #10b981;
    margin-top: 0.25rem;
}

.footer-phone,
.footer-email {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    font-size: 0.875rem;
    opacity: 0.7;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: white;
    text-decoration: none;
    font-size: 0.875rem;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
}

/* ========================================
   Scroll to Top Button
   ======================================== */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 998;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

/* ========================================
   Floating Contact Button (PC Only)
   ======================================== */
.floating-contact {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    padding: 1.5rem;
    z-index: 1000;
    max-width: 320px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

.floating-contact.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.floating-contact-content {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.floating-contact-icon {
    flex-shrink: 0;
    width: 3.5rem;
    height: 3.5rem;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.floating-contact-text {
    flex: 1;
}

.floating-contact-label {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.floating-contact-number {
    display: inline-block;
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 0.25rem;
    letter-spacing: 0.02em;
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.3s ease;
}

.floating-contact-number:hover {
    color: var(--primary-color);
}

.floating-contact-hours {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.floating-contact-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.floating-contact-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ========================================
   Fixed Bottom Contact (Mobile/Tablet Only)
   ======================================== */
.fixed-bottom-contact {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 0.75rem;
    gap: 0.75rem;
}

.fixed-bottom-phone,
.fixed-bottom-form {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    text-decoration: none;
    font-weight: 700;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    gap: 0.5rem;
}

.fixed-bottom-phone {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
}

.fixed-bottom-phone i {
    font-size: 1.5rem;
}

.fixed-bottom-phone span {
    font-size: 0.875rem;
}

.fixed-bottom-form {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
}

.fixed-bottom-form i {
    font-size: 1.5rem;
}

.fixed-bottom-form span {
    font-size: 0.875rem;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .section-title {
        font-size: 2rem;
    }
    
    .title-main {
        font-size: 2rem;
    }
    
    .case-grid {
        grid-template-columns: 1fr;
    }
    
    .solution-image-wrapper {
        border-radius: var(--radius-xl);
    }
    
    .solution-image-caption {
        padding: 1.25rem 1.5rem;
    }
    
    .solution-image-caption i {
        font-size: 1.5rem;
    }
    
    .solution-image-caption p {
        font-size: 0.9rem;
    }
    
    /* Show fixed bottom contact on tablet */
    .fixed-bottom-contact {
        display: flex;
    }
    
    /* Hide floating contact on tablet */
    .floating-contact {
        display: none;
    }
    
    /* Adjust scroll top button position */
    .scroll-top {
        bottom: 6rem;
    }
    
    /* Show hero CTA on tablet */
    .hero-cta {
        display: flex;
    }
}

@media (max-width: 768px) {
    /* ===================================
       モバイル版: 情報量最小化最適化
       =================================== */
    
    /* ヘッダー簡略化 */
    .header-nav {
        gap: 1rem;
    }
    
    /* デスクトップナビゲーションを非表示 */
    .desktop-nav {
        display: none !important;
    }
    
    /* ハンバーガーメニューボタンを表示（!importantで確実に表示） */
    .mobile-menu-toggle {
        display: flex !important;
    }
    
    /* ファーストビュー: キャッチコピーと「今すぐ聴く」のみ */
    .hero {
        padding: 2rem 0;
        min-height: auto;
    }
    
    .title-emphasis {
        font-size: 1rem;
        padding: 0.5rem 0.75rem;
        margin-bottom: 0.75rem;
    }
    
    .title-main {
        font-size: 1.5rem;
        line-height: 1.4;
        margin-bottom: 0.75rem;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }
    
    /* ステータスを簡略化（3つから2つに） */
    .hero-stats {
        gap: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .stat-item:nth-child(2) {
        display: none; /* 中間の項目を非表示 */
    }
    
    .stat-number {
        font-size: 1.75rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    .hero-cta {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        padding: 0 1rem;
        margin-bottom: 1rem;
    }
    
    .btn-listen {
        font-size: 1rem;
        padding: 1rem 1.5rem;
        width: 100%;
    }
    
    /* 信頼バッジを簡略化 */
    .trust-badges {
        font-size: 0.75rem;
        gap: 0.75rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .trust-badges .badge {
        padding: 0.25rem 0.5rem;
        font-size: 0.7rem;
    }
    
    /* 中小企業庁承認セクションを簡略化 */
    .certification-box {
        flex-direction: column;
        padding: 1.5rem;
        text-align: center;
        align-items: center;
    }
    
    .certification-icon {
        width: 3rem;
        height: 3rem;
        font-size: 1.5rem;
    }
    
    .certification-title {
        font-size: 1.25rem;
    }
    
    .certification-description {
        font-size: 0.875rem;
    }
    
    .certification-features {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }
    
    .certification-feature {
        font-size: 0.8rem;
    }
    
    /* 音声セクション簡略化 */
    .audio-section {
        padding: 2rem 0;
    }
    
    .solution {
        padding: 2rem 0 1rem;
    }
    
    .solution-header {
        margin-bottom: 2rem;
    }
    
    .solution-image-wrapper {
        border-radius: var(--radius-lg);
        margin: 0 0.5rem;
    }
    
    .solution-image-caption {
        padding: 1rem 1.25rem;
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }
    
    .solution-image-caption i {
        font-size: 1.75rem;
    }
    
    .solution-image-caption p {
        font-size: 0.875rem;
    }
    
    .audio-title {
        font-size: 1.25rem;
        flex-direction: column;
        gap: 0.5rem;
        margin-bottom: 1rem;
    }
    
    .audio-title i {
        font-size: 1.5rem;
    }
    
    .audio-player-wrapper {
        padding: 1rem;
        margin-bottom: 1.5rem;
    }
    
    /* 音声ポイントを2つまで表示（3つ目は非表示） */
    .audio-points {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .audio-point:nth-child(3) {
        display: none;
    }
    
    .audio-point h3 {
        font-size: 1rem;
    }
    
    .audio-point p {
        font-size: 0.875rem;
    }
    
    /* ターゲット/メリットセクション簡略化 */
    .section-title {
        font-size: 1.5rem;
        margin-bottom: 0.75rem;
    }
    
    .section-subtitle {
        font-size: 0.875rem;
        margin-bottom: 2rem;
    }
    
    /* カードグリッドを1列に */
    .target-grid,
    .benefits-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    /* カード内容を簡略化 */
    .target-card h3,
    .benefit-card h3 {
        font-size: 1.125rem;
    }
    
    .target-card p,
    .benefit-card p {
        font-size: 0.875rem;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    
    /* フローステップを簡略化 */
    .flow-step-content h3 {
        font-size: 1rem;
    }
    
    .flow-step-content p {
        font-size: 0.85rem;
    }
    
    /* 比較表を簡略化 */
    .comparison-table {
        font-size: 0.75rem;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 0.5rem 0.25rem;
    }
    
    /* 実績事例を簡略化（タブは維持、内容は簡略） */
    .case-tabs {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .case-tab {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }
    
    /* FAQ: 全項目を表示（小型モバイルでも7つ全て表示） */
    .faq-question {
        padding: 1rem;
        font-size: 0.9rem;
    }
    
    .faq-answer {
        font-size: 0.85rem;
    }
    
    /* モバイル版で不要なセクションを非表示 */
    /* 比較セクション（情報過多のため） */
    .comparison {
        display: none !important;
    }
    
    /* お客様の声（3件→1件のみ表示） */
    .testimonial-card:nth-child(n+2) {
        display: none;
    }
    
    /* メリットカード（7つ→上位4つのみ表示） */
    .benefit-card:nth-child(n+5) {
        display: none;
    }
    
    /* ターゲットカード（3つすべて表示するがコンパクトに） */
    .target-card {
        padding: 1.25rem;
    }
    
    /* フォームを簡略化 */
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .form-group label {
        font-size: 0.875rem;
    }
    
    .form-input,
    .form-select,
    .form-textarea {
        font-size: 0.875rem;
        padding: 0.75rem;
    }
    
    .cta-title {
        font-size: 1.5rem;
    }
    
    .cta-form {
        padding: 1.5rem;
    }
    
    /* 緊急性セクション簡略化 */
    .urgency-content {
        text-align: center;
        justify-content: center;
        padding: 1.5rem;
    }
    
    .urgency-text h2 {
        font-size: 1.125rem;
    }
    
    .urgency-text p {
        font-size: 0.875rem;
    }
    
    /* フッターを簡略化 */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-section {
        text-align: center;
    }
    
    .footer-section h3 {
        font-size: 1rem;
    }
    
    .footer-section p,
    .footer-section a {
        font-size: 0.875rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
        padding-bottom: 6rem; /* 固定ボタンの高さ分の余白を確保 */
    }
    
    /* Show fixed bottom contact on mobile */
    .fixed-bottom-contact {
        display: flex;
    }
    
    /* Hide floating contact on mobile */
    .floating-contact {
        display: none;
    }
    
    /* Adjust scroll top button position for mobile */
    .scroll-top {
        bottom: 6rem;
        right: 1rem;
    }
    
    /* Add padding to last section to avoid overlap with fixed bottom */
    .cta {
        padding-bottom: 7rem;
    }
}

@media (max-width: 480px) {
    /* ===================================
       超小型モバイル: さらに情報量削減
       =================================== */
    
    .container {
        padding: 0 0.75rem;
    }
    
    /* ボタンをより小さく */
    .btn-large {
        padding: 0.875rem 1.25rem;
        font-size: 0.95rem;
    }
    
    .btn-listen {
        font-size: 0.95rem;
        padding: 0.875rem 1.25rem;
    }
    
    /* タイトルをより小さく */
    .title-emphasis {
        font-size: 0.875rem;
        padding: 0.4rem 0.6rem;
    }
    
    .title-main {
        font-size: 1.35rem;
        line-height: 1.35;
    }
    
    .hero-subtitle {
        font-size: 0.85rem;
        line-height: 1.5;
    }
    
    /* ステータスを1つのみ表示（即時償却のみ） */
    .hero-stats {
        gap: 0;
        margin-bottom: 1.25rem;
    }
    
    .stat-item:nth-child(2),
    .stat-item:nth-child(3) {
        display: none;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.7rem;
    }
    
    /* 信頼バッジをさらに簡略化 */
    .trust-badges {
        font-size: 0.7rem;
        gap: 0.5rem;
    }
    
    .trust-badges .badge {
        padding: 0.2rem 0.4rem;
        font-size: 0.65rem;
    }
    
    /* 音声セクション */
    .audio-title {
        font-size: 1.125rem;
    }
    
    .audio-player-wrapper {
        padding: 0.75rem;
    }
    
    /* 音声ポイントを1つのみ表示 */
    .audio-point:nth-child(2),
    .audio-point:nth-child(3) {
        display: none;
    }
    
    .audio-point h3 {
        font-size: 0.95rem;
    }
    
    .audio-point p {
        font-size: 0.8rem;
    }
    
    /* セクションタイトル */
    .section-title {
        font-size: 1.35rem;
        margin-bottom: 0.5rem;
    }
    
    .section-subtitle {
        font-size: 0.8rem;
        margin-bottom: 1.5rem;
    }
    
    /* カード内容をさらに簡略化 */
    .target-card h3,
    .benefit-card h3 {
        font-size: 1rem;
    }
    
    .target-card p,
    .benefit-card p {
        font-size: 0.8rem;
        -webkit-line-clamp: 2;
    }
    
    /* メカニズムステップ */
    .mechanism-step {
        flex-direction: column;
        text-align: center;
        padding: 1rem;
    }
    
    .mechanism-step h3 {
        font-size: 1rem;
    }
    
    .mechanism-step p {
        font-size: 0.8rem;
    }
    
    /* フロー */
    .flow-timeline::before {
        left: 0.75rem;
    }
    
    .flow-step {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 0.75rem;
    }
    
    .flow-step-number {
        font-size: 0.875rem;
        width: 1.75rem;
        height: 1.75rem;
    }
    
    .flow-step-content h3 {
        font-size: 0.95rem;
    }
    
    .flow-step-content p {
        font-size: 0.75rem;
    }
    
    /* 比較表をさらに簡略化 */
    .comparison-table {
        font-size: 0.7rem;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 0.4rem 0.2rem;
    }
    
    /* FAQ: 全項目を表示（モバイルでも7つ全て表示） */
    .faq-question {
        padding: 0.875rem;
        font-size: 0.875rem;
    }
    
    .faq-question span {
        font-size: 0.875rem;
        line-height: 1.5;
    }
    
    .faq-question i:first-child {
        font-size: 1rem;
    }
    
    .faq-answer {
        font-size: 0.8125rem;
        line-height: 1.6;
    }
    
    .faq-answer p {
        font-size: 0.8125rem;
    }
    
    /* 超小型モバイルでさらに情報削減 */
    /* メリットカードを3つのみ表示 */
    .benefit-card:nth-child(n+4) {
        display: none;
    }
    
    /* ターゲットカードを2つのみ表示 */
    .target-card:nth-child(3) {
        display: none;
    }
    
    /* 実績事例のメトリクスを簡略化 */
    .case-metrics {
        grid-template-columns: 1fr 1fr;
        gap: 0.5rem;
    }
    
    /* 最後のメトリクスを非表示 */
    .case-metric:last-child {
        grid-column: 1 / -1;
    }
    
    /* 実績事例のタブをさらに簡略化 */
    .case-tab {
        padding: 0.6rem 0.75rem;
        font-size: 0.8rem;
    }
    
    /* フォーム */
    .cta-title {
        font-size: 1.35rem;
    }
    
    .cta-form {
        padding: 1.25rem;
    }
    
    .form-group label {
        font-size: 0.8rem;
    }
    
    .form-input,
    .form-select,
    .form-textarea {
        font-size: 0.8rem;
        padding: 0.6rem;
    }
    
    /* スクロールトップボタン */
    .scroll-top {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 0.95rem;
        bottom: 5.5rem;
        right: 0.75rem;
    }
    
    /* フッター */
    .footer-section h3 {
        font-size: 0.95rem;
    }
    
    .footer-section p,
    .footer-section a {
        font-size: 0.8rem;
    }
    
    .footer-bottom {
        font-size: 0.75rem;
    }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .header,
    .hero-cta,
    .cta,
    .footer,
    .scroll-top {
        display: none;
    }
    
    body {
        font-size: 12pt;
    }
    
    .section-title {
        page-break-after: avoid;
    }
    
    .benefit-card,
    .target-card,
    .testimonial-card {
        page-break-inside: avoid;
    }
}