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

:root {
    /* カラーパレット */
    --primary-color: #FF4444;
    --secondary-color: #2563eb;
    --gold-color: #FFB000;
    --green-color: #10B981;
    --dark-bg: #0F172A;
    --light-bg: #F8FAFC;
    --gray-bg: #F1F5F9;
    --text-dark: #1E293B;
    --text-light: #64748B;
    --white: #FFFFFF;
    --urgent-red: #DC2626;
    --warning-orange: #F59E0B;
    
    /* タイポグラフィ */
    --font-primary: 'Noto Serif JP', 'ヒラギノ明朝 ProN', 'Hiragino Mincho ProN', '游明朝', 'Yu Mincho', 'YuMincho', 'HG明朝E', 'ＭＳ Ｐ明朝', 'MS PMincho', serif;
    --font-accent: 'Shippori Mincho', 'ヒラギノ明朝 ProN', 'Hiragino Mincho ProN', serif;
    
    /* スペーシング */
    --section-padding: 80px 0;
    --container-padding: 0 20px;
    
    /* トランジション */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* シャドウ */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.7;
    background-color: var(--white);
    overflow-x: hidden;
    min-height: 100vh;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* ========================================
   アクセシビリティ
   ======================================== */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--dark-bg);
    color: var(--white);
    padding: 8px 16px;
    text-decoration: none;
    z-index: 10000;
    font-weight: 700;
}

.skip-link:focus {
    top: 0;
}

/* ========================================
   ヘッダー
   ======================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9998;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 15px 0;
    transition: all var(--transition-normal);
    transform: translateZ(0);
    will-change: transform;
}

.site-header.scrolled {
    padding: 10px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0;
    width: 100%;
}

.header-logo {
    flex: 0 0 auto;
    order: 1;
}

.header-nav {
    flex: 1 1 auto;
    order: 2;
    display: flex;
    justify-content: flex-end;
    padding-right: 20px;
}

.header-nav ul {
    display: flex;
    align-items: center;
    gap: 30px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.header-contact {
    flex: 0 0 auto;
    order: 3;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: transform var(--transition-normal);
}

.logo-link:hover {
    transform: translateY(-2px);
}

.logo-image {
    width: 50px;
    height: 50px;
    object-fit: contain;
    flex-shrink: 0;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), #FF6B6B);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
    box-shadow: 0 4px 15px rgba(255, 68, 68, 0.3);
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.site-title {
    font-size: 24px;
    font-weight: 900;
    color: #FFFFFF !important;
    line-height: 1.2;
    font-family: var(--font-accent);
    letter-spacing: 0.5px;
}

.company-name {
    font-size: 18px;
    font-weight: 900;
    color: var(--white);
    line-height: 1.2;
    font-family: var(--font-accent);
}

.tagline {
    font-size: 12px;
    color: var(--gold-color);
    font-weight: 600;
    line-height: 1.2;
}

.header-nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: color var(--transition-fast);
    position: relative;
}

.header-nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold-color);
    transition: width var(--transition-normal);
}

.header-nav a:hover {
    color: var(--gold-color);
}

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

.header-nav .nav-cta {
    background: linear-gradient(135deg, var(--gold-color), #FF8C00);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 700;
}

.header-nav .nav-cta::after {
    display: none;
}

.header-nav .nav-cta:hover {
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 176, 0, 0.4);
}

.header-contact {
    flex-shrink: 0;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
    text-decoration: none;
    font-weight: 700;
    font-size: 18px;
    font-family: var(--font-accent);
    padding: 10px 20px;
    border: 2px solid var(--gold-color);
    border-radius: 25px;
    transition: all var(--transition-normal);
}

.header-phone:hover {
    background: var(--gold-color);
    color: var(--dark-bg);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 176, 0, 0.4);
}

.header-phone i {
    font-size: 16px;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--white);
    border-radius: 3px;
    transition: all var(--transition-normal);
}

.mobile-menu-toggle:hover span {
    background: var(--gold-color);
}

/* ========================================
   固定CTAボタン
   ======================================== */
.fixed-cta {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    opacity: 0;
    transform: translateY(100px);
    transition: all var(--transition-normal);
    transform: translateZ(0);
    will-change: opacity, transform;
}

.fixed-cta.visible {
    opacity: 1;
    transform: translateY(0) translateZ(0);
}

.fixed-cta-card {
    background: var(--white);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    padding: 30px 25px;
    text-align: center;
    min-width: 280px;
    border: 2px solid #E2E8F0;
}

.fixed-cta-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 15px;
    background: var(--dark-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 32px;
}

.fixed-cta-label {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.fixed-cta-phone {
    display: block;
    font-size: 24px;
    font-weight: 900;
    color: var(--text-dark);
    text-decoration: none;
    margin-bottom: 8px;
    font-family: var(--font-accent);
    letter-spacing: 1px;
    transition: color var(--transition-fast);
}

.fixed-cta-phone:hover {
    color: var(--primary-color);
}

.fixed-cta-hours {
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.4;
}

.fixed-cta-button {
    display: block;
    background: linear-gradient(135deg, var(--gold-color), #FF8C00);
    color: var(--white);
    text-decoration: none;
    padding: 15px 20px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 15px;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(255, 176, 0, 0.3);
}

.fixed-cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 176, 0, 0.4);
}

/* ========================================
   ヒーローセクション
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: 
        linear-gradient(135deg, rgba(102, 126, 234, 0.6) 0%, rgba(118, 75, 162, 0.6) 100%),
        url('../images/hero-bg.jpg') center center / cover no-repeat;
    background-attachment: scroll;
    overflow: hidden;
    padding: 160px 0 80px;
    will-change: auto;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 176, 0, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.15) 0%, transparent 50%);
    animation: gradientShift 10s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    animation: fadeInUp 1s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.emergency-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(220, 38, 38, 0.95);
    color: var(--white);
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 16px;
    margin-bottom: 30px;
    animation: shake 2s ease infinite;
    box-shadow: 0 4px 15px rgba(220, 38, 38, 0.4);
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-3px); }
    20%, 40%, 60%, 80% { transform: translateX(3px); }
}

.hero-price-simple {
    text-align: center;
    margin-bottom: 30px;
    color: var(--white);
    font-family: var(--font-accent);
    background: rgba(0, 0, 0, 0.4);
    padding: 12px 24px;
    border-radius: 8px;
    backdrop-filter: blur(5px);
    display: inline-block;
}

.hero-price-simple span {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 1px;
    text-shadow: 0 3px 15px rgba(0, 0, 0, 0.8), 0 0 30px rgba(255, 255, 255, 0.3);
    display: block;
}

.hero-price-simple strong {
    font-size: 32px;
    color: #FFD700;
    font-weight: 900;
    text-shadow: 0 3px 15px rgba(0, 0, 0, 0.9), 0 0 30px rgba(255, 215, 0, 0.6);
}

.hero-title {
    font-size: 52px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 25px;
    font-family: var(--font-accent);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.highlight-text {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 60px;
    display: inline-block;
    animation: glow 2s ease-in-out infinite;
}

.highlight-text.gold {
    background: linear-gradient(135deg, #FFB000, #FF6B00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@keyframes glow {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.2); }
}

.plus-icon {
    display: inline-block;
    margin: 0 15px;
    font-size: 48px;
    opacity: 0.8;
}

.hero-subtitle {
    margin-bottom: 40px;
}

.hero-subtitle .large-text {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 10px;
}

.hero-subtitle .sub-text {
    font-size: 18px;
    opacity: 0.95;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 15px 25px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-normal);
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 32px;
    color: var(--gold-color);
}

.feature-text {
    text-align: left;
}

.feature-text strong {
    display: block;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 3px;
}

.feature-text span {
    font-size: 13px;
    opacity: 0.9;
}

.hero-urgent-message {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.95), rgba(245, 158, 11, 0.95));
    color: var(--dark-bg);
    padding: 15px 30px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 30px;
    box-shadow: 0 4px 20px rgba(251, 191, 36, 0.4);
    animation: slideInDown 0.8s ease;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.hero-urgent-message i {
    font-size: 24px;
    animation: flash 2s infinite;
}

.hero-urgent-message strong {
    font-weight: 900;
    color: var(--urgent-red);
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes flash {
    0%, 50%, 100% { opacity: 1; }
    25%, 75% { opacity: 0.3; }
}

.hero-audio-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    margin-top: 40px;
}

.audio-description {
    color: var(--white);
    font-size: 14px;
    opacity: 0.9;
    text-align: center;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.social-proof {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}

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

.proof-item strong {
    display: block;
    font-size: 32px;
    font-weight: 900;
    color: var(--gold-color);
    margin-bottom: 5px;
}

.proof-item span {
    font-size: 14px;
    opacity: 0.9;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 32px;
    color: var(--white);
    opacity: 0.7;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ========================================
   ボタンスタイル
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    border-radius: 50px;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    font-family: var(--font-primary);
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    user-select: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #FF6B6B);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(255, 68, 68, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 68, 68, 0.4);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.btn-audio {
    background: linear-gradient(135deg, #FFB000, #FF8C00) !important;
    color: #0F172A !important;
    box-shadow: 0 4px 15px rgba(255, 176, 0, 0.4) !important;
    font-size: 18px !important;
    padding: 18px 40px !important;
    font-weight: 900 !important;
    border: none !important;
}

.btn-audio:hover {
    transform: translateY(-3px) !important;
    box-shadow: 0 8px 25px rgba(255, 176, 0, 0.6) !important;
    background: linear-gradient(135deg, #FFC000, #FFA500) !important;
}

.btn-urgent {
    background: linear-gradient(135deg, var(--urgent-red), #B91C1C);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(220, 38, 38, 0.3);
    animation: pulse 2s infinite;
}

.btn-urgent:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(220, 38, 38, 0.4);
}

.btn-phone {
    background: linear-gradient(135deg, var(--green-color), #059669);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-phone:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

.btn-large {
    padding: 18px 40px;
    font-size: 18px;
}

.btn i {
    font-size: 20px;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 68, 68, 0.7);
        transform: scale(1);
    }
    70% {
        box-shadow: 0 0 0 20px rgba(255, 68, 68, 0);
        transform: scale(1);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 68, 68, 0);
        transform: scale(1);
    }
}

.pulse {
    animation: pulse 2s infinite;
    will-change: transform, box-shadow;
}

/* ========================================
   セクション共通スタイル
   ======================================== */
section {
    padding: var(--section-padding);
}

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

.section-header.centered {
    text-align: center;
}

.section-badge {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-badge.urgent {
    background: linear-gradient(135deg, var(--urgent-red), #B91C1C);
    color: var(--white);
}

.section-badge.warning {
    background: linear-gradient(135deg, var(--warning-orange), #D97706);
    color: var(--white);
}

.section-title {
    font-size: 42px;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 20px;
    font-family: var(--font-accent);
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-light);
    line-height: 1.7;
}

.section-subtitle.large {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
}

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

.highlight.gold {
    background: linear-gradient(135deg, var(--gold-color), #FF8C00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.highlight.red {
    color: var(--urgent-red);
}

.highlight.green {
    color: var(--green-color);
}

/* ========================================
   診断セクション
   ======================================== */
.diagnosis-section {
    background: var(--gray-bg);
}

.diagnosis-tool {
    max-width: 800px;
    margin: 0 auto;
}

.diagnosis-input {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.diagnosis-input label {
    display: block;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.fiscal-select {
    width: 100%;
    max-width: 400px;
    padding: 15px 20px;
    font-size: 18px;
    border: 2px solid #E2E8F0;
    border-radius: 12px;
    background: var(--white);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-family: var(--font-primary);
}

.fiscal-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 68, 68, 0.1);
}

.diagnosis-result {
    margin-top: 30px;
    animation: fadeInUp 0.5s ease;
}

.diagnosis-result.hidden {
    display: none;
}

.result-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.result-header {
    padding: 30px;
    text-align: center;
}

.result-header h3 {
    font-size: 28px;
    font-weight: 900;
    margin-bottom: 15px;
}

.countdown-timer {
    font-size: 48px;
    font-weight: 900;
    font-family: var(--font-accent);
    background: linear-gradient(135deg, var(--primary-color), var(--gold-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.result-body {
    padding: 40px;
    background: var(--gray-bg);
}

/* ========================================
   問題セクション
   ======================================== */
.problems-section {
    background: var(--white);
}

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

.problem-card {
    background: linear-gradient(135deg, #FEF3C7, #FDE68A);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: all var(--transition-normal);
    border: 2px solid #FCD34D;
}

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

.problem-icon {
    font-size: 48px;
    color: var(--warning-orange);
    margin-bottom: 20px;
}

.problem-card h3 {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.6;
    color: var(--text-dark);
}

.solution-banner {
    background: linear-gradient(135deg, var(--green-color), #059669);
    color: var(--white);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.3);
}

.solution-banner h3 {
    font-size: 28px;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.solution-banner i {
    font-size: 36px;
}

/* ========================================
   なぜGPUセクション
   ======================================== */
.why-gpu-section {
    background: var(--dark-bg);
    color: var(--white);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.why-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
    position: relative;
}

.why-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-10px);
}

.why-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 48px;
    font-weight: 900;
    color: rgba(255, 176, 0, 0.3);
    font-family: var(--font-accent);
}

.why-card h3 {
    font-size: 24px;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.4;
}

.why-list {
    list-style: none;
    margin-bottom: 15px;
}

.why-list li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.why-list li:last-child {
    border-bottom: none;
}

.why-text {
    line-height: 1.8;
    opacity: 0.95;
}

.source {
    margin-top: 15px;
    font-size: 13px;
    opacity: 0.7;
    font-style: italic;
}

/* ========================================
   メリットセクション
   ======================================== */
.merits-section {
    background: var(--light-bg);
}

.merits-wrapper {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.merit-card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
}

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

.merit-header {
    margin-bottom: 25px;
}

.merit-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), #FF6B6B);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 15px;
}

.merit-header h3 {
    font-size: 28px;
    font-weight: 900;
    line-height: 1.4;
}

.merit-description {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 30px;
    color: var(--text-light);
}

.simulation-box,
.revenue-box {
    background: var(--gray-bg);
    padding: 30px;
    border-radius: 15px;
    border: 2px solid #E2E8F0;
}

.simulation-box h4,
.revenue-box h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.simulation-table,
.revenue-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.simulation-table tr,
.revenue-table tr {
    border-bottom: 1px solid #E2E8F0;
}

.simulation-table td,
.revenue-table td,
.revenue-table th {
    padding: 15px;
    text-align: left;
}

.revenue-table th {
    background: var(--white);
    font-weight: 700;
    font-size: 14px;
}

.simulation-table .amount,
.revenue-table td {
    text-align: right;
    font-weight: 600;
}

.total-row td,
.highlight-row td {
    padding-top: 20px;
    border-top: 2px solid var(--text-dark);
}

.total-row .amount {
    font-size: 24px;
}

.simulation-result,
.revenue-result {
    background: var(--white);
    padding: 20px;
    border-radius: 10px;
    font-size: 18px;
    font-weight: 700;
    text-align: center;
}

.revenue-result-content {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
}

.revenue-main {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    line-height: 1.6;
}

.revenue-sub {
    font-size: 14px;
    color: #64748B;
    font-weight: 600;
    line-height: 1.6;
}

.merit-checklist {
    list-style: none;
}

.merit-checklist li {
    padding: 15px 0;
    border-bottom: 1px solid #E2E8F0;
    display: flex;
    gap: 15px;
    line-height: 1.8;
}

.merit-checklist li:last-child {
    border-bottom: none;
}

.merit-checklist i {
    color: var(--green-color);
    font-size: 24px;
    flex-shrink: 0;
}

/* ========================================
   代替商品セクション
   ======================================== */
.alternative-products-section {
    background: linear-gradient(135deg, #FEE2E2, #FECACA);
}

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

.product-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    position: relative;
    transition: all var(--transition-normal);
    border: 3px solid var(--urgent-red);
}

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

.product-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--gold-color), #FF8C00);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
}

.product-badge.hot {
    background: linear-gradient(135deg, var(--urgent-red), #B91C1C);
}

.product-icon {
    font-size: 64px;
    color: var(--primary-color);
    margin: 20px 0;
}

.product-card h3 {
    font-size: 24px;
    font-weight: 900;
    margin-bottom: 15px;
}

.product-tag {
    display: inline-block;
    background: var(--gray-bg);
    color: var(--text-dark);
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 20px;
}

.product-features {
    list-style: none;
    text-align: left;
    margin-bottom: 25px;
}

.product-features li {
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.product-features i {
    color: var(--green-color);
    font-size: 18px;
}

.product-highlight {
    background: linear-gradient(135deg, var(--urgent-red), #B91C1C);
    color: var(--white);
    padding: 15px;
    border-radius: 10px;
    font-size: 18px;
    font-weight: 900;
}

.alternative-cta {
    text-align: center;
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.alternative-cta .large-text {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.alternative-cta i {
    color: var(--urgent-red);
    font-size: 28px;
}

/* ========================================
   スキームセクション
   ======================================== */
.scheme-section {
    background: var(--white);
}

.scheme-diagram {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.scheme-step {
    flex: 1;
    min-width: 200px;
    max-width: 250px;
    background: var(--gray-bg);
    padding: 30px 20px;
    border-radius: 15px;
    text-align: center;
    position: relative;
    transition: all var(--transition-normal);
}

.scheme-step:hover {
    background: var(--light-bg);
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), #FF6B6B);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 18px;
}

.step-icon {
    font-size: 48px;
    color: var(--primary-color);
    margin: 15px 0;
}

.scheme-step h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 10px;
}

.scheme-step p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

.scheme-arrow {
    font-size: 32px;
    color: var(--text-light);
}

.scheme-roles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.role-card {
    background: var(--gray-bg);
    padding: 40px;
    border-radius: 20px;
}

.role-card h4 {
    font-size: 22px;
    font-weight: 900;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.role-card ul {
    list-style: none;
}

.role-card li {
    padding: 12px 0;
    padding-left: 25px;
    position: relative;
    border-bottom: 1px solid #E2E8F0;
}

.role-card li:last-child {
    border-bottom: none;
}

.role-card li::before {
    content: '●';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* ========================================
   比較表セクション
   ======================================== */
.comparison-section {
    background: var(--light-bg);
}

.comparison-table-wrapper {
    overflow-x: auto;
    margin-bottom: 40px;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.comparison-table thead {
    background: var(--dark-bg);
    color: var(--white);
}

.comparison-table th {
    padding: 20px;
    font-weight: 700;
    text-align: center;
}

.comparison-table td {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid #E2E8F0;
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

.comparison-table .highlight-col {
    background: linear-gradient(180deg, #FEF3C7, #FDE68A);
    font-weight: 700;
}

.comparison-table .best {
    color: var(--green-color);
}

.comparison-table .good {
    color: var(--secondary-color);
}

.comparison-table .bad {
    color: var(--text-light);
}

.comparison-table .warning {
    color: var(--warning-orange);
}

.comparison-conclusion {
    background: linear-gradient(135deg, var(--gold-color), #FF8C00);
    color: var(--white);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    font-size: 20px;
    font-weight: 900;
}

.comparison-conclusion i {
    font-size: 36px;
}

/* ========================================
   導入事例セクション
   ======================================== */
.cases-section {
    background: var(--white);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.case-card {
    background: var(--gray-bg);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
}

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

.case-header {
    background: linear-gradient(135deg, var(--secondary-color), #1D4ED8);
    color: var(--white);
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.case-industry {
    font-size: 18px;
    font-weight: 700;
}

.case-label {
    background: rgba(255, 255, 255, 0.3);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
}

.case-content {
    padding: 30px;
}

.case-content h4 {
    font-size: 16px;
    font-weight: 700;
    margin: 20px 0 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.case-content h4:first-child {
    margin-top: 0;
}

.case-content p {
    line-height: 1.8;
    margin-bottom: 15px;
}

.case-results {
    list-style: none;
}

.case-results li {
    padding: 10px 0;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.8;
}

.case-results i {
    color: var(--green-color);
    margin-top: 3px;
}

/* ========================================
   FAQセクション
   ======================================== */
.faq-section {
    background: var(--gray-bg);
}

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

.faq-item {
    background: var(--white);
    border-radius: 15px;
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.faq-question {
    padding: 25px 30px;
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
}

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

.faq-question i.fa-question-circle {
    color: var(--primary-color);
    font-size: 24px;
    flex-shrink: 0;
}

.faq-question h4 {
    flex: 1;
    font-size: 18px;
    font-weight: 700;
}

.toggle-icon {
    color: var(--text-light);
    font-size: 20px;
    transition: transform var(--transition-normal);
    flex-shrink: 0;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 1000px;
    padding: 0 30px 30px 69px;
}

.faq-answer ul,
.faq-answer ol {
    margin-left: 20px;
    margin-top: 15px;
}

.faq-answer li {
    padding: 8px 0;
    line-height: 1.8;
}

.faq-products {
    background: var(--gray-bg);
    padding: 20px;
    border-radius: 10px;
    margin-top: 15px;
}

.faq-products h5 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 12px;
}

/* ========================================
   デメリットセクション
   ======================================== */
.demerits-section {
    background: var(--light-bg);
}

.demerits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.demerit-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    text-align: center;
}

.demerit-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
}

.demerit-icon.warning {
    background: linear-gradient(135deg, #FEF3C7, #FDE68A);
    color: var(--warning-orange);
}

.demerit-icon.info {
    background: linear-gradient(135deg, #DBEAFE, #BFDBFE);
    color: var(--secondary-color);
}

.demerit-card h4 {
    font-size: 20px;
    font-weight: 900;
    margin-bottom: 15px;
}

.demerit-card p {
    line-height: 1.8;
    margin-bottom: 12px;
}

.demerit-solution {
    background: var(--gray-bg);
    padding: 15px;
    border-radius: 10px;
    font-size: 14px;
    margin-top: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    text-align: left;
}

.demerit-solution i {
    color: var(--green-color);
}

/* ========================================
   強みセクション
   ======================================== */
.strengths-section {
    background: var(--dark-bg);
    color: var(--white);
}

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

.strength-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: 40px 30px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    transition: all var(--transition-normal);
}

.strength-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-10px);
}

.strength-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gold-color), #FF8C00);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--white);
}

.strength-card h4 {
    font-size: 22px;
    font-weight: 900;
    margin-bottom: 15px;
}

.strength-card p {
    line-height: 1.8;
    opacity: 0.95;
}

/* ========================================
   フローセクション
   ======================================== */
.flow-section {
    background: var(--gray-bg);
}

.flow-steps {
    max-width: 700px;
    margin: 0 auto;
}

.flow-step {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    position: relative;
    transition: all var(--transition-normal);
}

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

.flow-number {
    position: absolute;
    top: 30px;
    left: -20px;
    background: linear-gradient(135deg, var(--primary-color), #FF6B6B);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 900;
    font-size: 14px;
}

.flow-icon {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
    text-align: center;
}

.flow-step h4 {
    font-size: 22px;
    font-weight: 900;
    margin-bottom: 12px;
    text-align: center;
}

.flow-step p {
    line-height: 1.8;
    text-align: center;
}

.flow-arrow {
    text-align: center;
    margin: 30px 0;
    font-size: 32px;
    color: var(--text-light);
}

/* ========================================
   音声プレイヤーセクション
   ======================================== */
.audio-section {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: var(--white);
    padding: 80px 0;
}

.section-badge.audio {
    background: linear-gradient(135deg, #FF5500, #FF7722);
    color: var(--white);
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 14px;
    display: inline-block;
    margin-bottom: 20px;
}

.audio-player-wrapper {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.audio-player-container {
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.audio-player-container iframe {
    border-radius: 12px;
    width: 100%;
}

.audio-content-description {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.audio-content-description h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--gold-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.audio-benefits {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.audio-benefits li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 16px;
    line-height: 1.6;
}

.audio-benefits i {
    color: var(--green-color);
    margin-top: 4px;
    font-size: 18px;
}

/* ========================================
   お問い合わせセクション
   ======================================== */
.contact-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
}

.contact-wrapper {
    max-width: 1000px;
    margin: 0 auto;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.contact-method {
    background: var(--white);
    color: var(--text-dark);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
}

.method-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), #FF6B6B);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--white);
}

.contact-method h4 {
    text-align: center;
    font-size: 22px;
    font-weight: 900;
    margin-bottom: 20px;
}

.phone-number {
    text-align: center;
    font-size: 36px;
    font-weight: 900;
    color: var(--primary-color);
    margin: 20px 0;
    font-family: var(--font-accent);
}

.business-hours {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 25px;
}

/* フォームスタイル */
.contact-form {
    width: 100%;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group label {
    display: block;
    font-weight: 700;
    margin-bottom: 8px;
}

.form-note {
    font-size: 13px;
    color: #666;
    margin: 5px 0;
    line-height: 1.5;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #E2E8F0;
    border-radius: 8px;
    font-size: 16px;
    font-family: var(--font-primary);
    transition: all var(--transition-normal);
}

.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(255, 68, 68, 0.1);
}

.form-privacy {
    margin: 25px 0;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
}

.privacy-link {
    color: var(--primary-color);
    text-decoration: underline;
}

.btn-submit {
    width: 100%;
    justify-content: center;
}

.contact-benefits {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-benefits h4 {
    font-size: 22px;
    font-weight: 900;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.benefits-list li {
    padding: 12px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    line-height: 1.6;
}

.benefits-list i {
    color: var(--gold-color);
    font-size: 20px;
}

/* ========================================
   プランセクション
   ======================================== */
.plans-section {
    background: var(--gray-bg);
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.plan-card {
    background: var(--white);
    padding: 50px 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    position: relative;
    transition: all var(--transition-normal);
}

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

.plan-card.recommended {
    border: 4px solid var(--gold-color);
}

.plan-card.urgent {
    border: 4px solid var(--urgent-red);
}

.plan-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    padding: 10px 25px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    white-space: nowrap;
}

.plan-card.recommended .plan-badge {
    background: linear-gradient(135deg, var(--gold-color), #FF8C00);
    color: var(--white);
}

.plan-card.urgent .plan-badge {
    background: linear-gradient(135deg, var(--urgent-red), #B91C1C);
    color: var(--white);
}

.plan-label {
    text-align: center;
    font-size: 18px;
    font-weight: 900;
    color: var(--text-light);
    margin-bottom: 15px;
}

.plan-card h3 {
    text-align: center;
    font-size: 26px;
    font-weight: 900;
    line-height: 1.4;
    margin-bottom: 25px;
}

.plan-description {
    text-align: center;
    margin-bottom: 25px;
    line-height: 1.8;
}

.plan-features {
    list-style: none;
    margin-bottom: 30px;
}

.plan-features li {
    padding: 12px 0;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    line-height: 1.6;
}

.plan-features i {
    color: var(--green-color);
    font-size: 20px;
    margin-top: 2px;
    flex-shrink: 0;
}

.plan-card.urgent .plan-features i {
    color: var(--urgent-red);
}

.plan-amount {
    background: var(--gray-bg);
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    margin-bottom: 25px;
}

.amount-label {
    display: block;
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 8px;
}

.amount-value {
    display: block;
    font-size: 48px;
    font-weight: 900;
    color: var(--primary-color);
    font-family: var(--font-accent);
}

/* ========================================
   フッター
   ======================================== */
.footer {
    background: var(--dark-bg);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
}

.company-name {
    font-size: 20px;
    font-weight: 900;
    color: var(--gold-color);
    margin-bottom: 15px;
}

.company-info {
    line-height: 1.8;
    opacity: 0.9;
}

.footer-links ul,
.footer-legal ul {
    list-style: none;
}

.footer-links li,
.footer-legal li {
    padding: 8px 0;
}

.footer-links a,
.footer-legal a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.footer-links a:hover,
.footer-legal a:hover {
    opacity: 1;
    text-decoration: underline;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    margin-bottom: 10px;
    opacity: 0.8;
}

.disclaimer {
    font-size: 13px;
    opacity: 0.7;
    line-height: 1.6;
}

/* ========================================
   PC専用スタイル（769px以上）
   ======================================== */
@media (min-width: 769px) {
    .header-content {
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        gap: 0 !important;
        width: 100% !important;
    }
    
    .header-logo {
        flex: 0 0 auto !important;
        order: 1 !important;
    }
    
    .header-nav {
        flex: 1 1 auto !important;
        order: 2 !important;
        display: flex !important;
        justify-content: flex-end !important;
        padding-right: 20px !important;
    }
    
    .header-nav ul {
        display: flex !important;
        align-items: center !important;
        gap: 30px !important;
        margin: 0 !important;
        padding: 0 !important;
        justify-content: flex-end !important;
    }
    
    .header-contact {
        flex: 0 0 auto !important;
        order: 3 !important;
    }
}

/* ========================================
   レスポンシブデザイン
   ======================================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 42px;
    }
    
    .highlight-text {
        font-size: 48px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .scheme-arrow {
        display: none;
    }
    
    /* ヘッダー - タブレット最適化 */
    .header-nav ul {
        gap: 20px;
    }
    
    .header-nav a {
        font-size: 14px;
    }
    
    .header-nav .nav-cta {
        padding: 8px 16px;
        font-size: 14px;
    }
    
    .header-phone {
        font-size: 16px;
        padding: 8px 16px;
    }
    
    .header-phone span {
        display: none;
    }
    
    .header-phone i {
        font-size: 20px;
    }
    
    .logo-image {
        width: 45px;
        height: 45px;
    }
    
    .logo-icon {
        width: 45px;
        height: 45px;
        font-size: 22px;
    }
    
    .site-title {
        font-size: 20px;
        color: #FFFFFF !important;
    }
    
    .company-name {
        font-size: 16px;
    }
    
    .tagline {
        font-size: 11px;
    }
}

/* タブレット中サイズ（iPad等）専用調整 */
@media (max-width: 900px) {
    .header-content {
        gap: 15px;
    }
    
    .header-nav ul {
        gap: 15px;
    }
    
    .header-nav a {
        font-size: 13px;
    }
    
    .header-phone {
        padding: 8px 12px;
    }
}

/* タブレット小サイズ */
@media (max-width: 820px) {
    .header-nav {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(10px);
        padding: 30px 20px;
        transition: left var(--transition-normal);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .header-nav.mobile-open {
        left: 0;
    }
    
    .header-nav ul {
        flex-direction: column;
        gap: 20px;
        align-items: flex-start;
    }
    
    .header-nav a {
        font-size: 16px;
        display: block;
        width: 100%;
        padding: 10px 0;
    }
    
    .header-nav .nav-cta {
        margin-top: 10px;
        text-align: center;
        padding: 15px 30px;
        display: block;
        font-size: 16px;
    }
    
    .header-contact {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* フローティングメニュー - タブレット/モバイル */
    .fixed-cta {
        bottom: 0;
        right: 0;
        left: 0;
        width: 100%;
    }
    
    .fixed-cta-card {
        border-radius: 0;
        padding: 0;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
        border: none;
        border-top: 2px solid #E2E8F0;
        min-width: 100%;
    }
    
    .fixed-cta-icon,
    .fixed-cta-label,
    .fixed-cta-phone,
    .fixed-cta-hours {
        display: none;
    }
    
    .fixed-cta-button {
        border-radius: 0;
        font-size: 16px;
        padding: 18px 20px;
        font-weight: 700;
        display: block;
        width: 100%;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 40px 0;
    }
    
    .site-header {
        padding: 12px 0;
    }
    
    section {
        padding: 40px 0 !important;
    }
    
    .container {
        padding: 0 15px;
    }
    
    /* スマホで非表示にする要素 */
    .hide-mobile {
        display: none !important;
    }
    
    /* 携帯版：情報量を大幅削減 */
    /* ヒーローセクション - 価格表示は残す */
    .hero-subtitle .sub-text {
        display: none !important;
    }
    
    .audio-description {
        display: none !important;
    }
    
    .hero-urgent-message {
        display: none !important;
    }
    
    /* メリットセクション - 詳細説明を非表示 */
    .merit-checklist li:nth-child(n+3) {
        display: none !important;
    }
    
    .merit-checklist li br {
        display: none !important;
    }
    
    /* 商品カードの詳細を削減 */
    .product-features li:nth-child(n+3) {
        display: none !important;
    }
    
    .product-highlight {
        font-size: 13px;
    }
    
    /* 比較表を完全非表示 */
    .comparison-section {
        display: none !important;
    }
    
    /* シミュレーションの詳細テキストを非表示 */
    .simulation-box p:not(:first-child) {
        display: none !important;
    }
    
    .revenue-box p:not(:first-child) {
        display: none !important;
    }
    
    /* FAQ項目を更に削減（4→2） */
    .faq-item:nth-child(n+3) {
        display: none !important;
    }
    
    /* フローステップを削減（5→3） */
    .flow-step:nth-child(4),
    .flow-step:nth-child(5) {
        display: none !important;
    }
    
    /* デメリット項目を削減（3→2） */
    .demerit-card:nth-child(3) {
        display: none !important;
    }
    
    /* 強み項目を削減（3→2） */
    .strength-card:nth-child(3) {
        display: none !important;
    }
    
    /* ソース表記を非表示 */
    .source {
        display: none !important;
    }
    
    /* テーブルの列を簡略化 */
    .revenue-table th:nth-child(2),
    .revenue-table td:nth-child(2),
    .revenue-table th:nth-child(5),
    .revenue-table td:nth-child(5) {
        display: none;
    }
    
    /* シミュレーション表の行を削減（初年度と3年目のみ表示） */
    .simulation-table tbody tr:nth-child(2),
    .simulation-table tbody tr:nth-child(3) {
        display: none !important;
    }
    
    /* 収益表の行を削減（1年目と3年目のみ） */
    .revenue-table tbody tr:nth-child(2) {
        display: none !important;
    }
    
    /* セクション間隔を詰める */
    section {
        padding: 40px 0;
    }
    
    /* カードの余白を詰める */
    .merit-card,
    .problem-card,
    .product-card,
    .case-card,
    .demerit-card,
    .strength-card {
        margin-bottom: 20px;
        padding: 25px 20px;
    }
    
    /* テキストを簡潔に */
    p {
        line-height: 1.6;
    }
    
    /* セクションサブタイトルの改行を削減 */
    .section-subtitle br {
        display: none;
    }
    
    .section-subtitle {
        font-size: 14px;
    }
    
    /* 音声プレイヤー - モバイル */
    .audio-section {
        padding: 50px 0;
    }
    
    .audio-player-wrapper {
        gap: 30px;
    }
    
    .audio-player-container {
        padding: 15px;
    }
    
    .audio-content-description {
        padding: 20px;
    }
    
    .audio-content-description h3 {
        font-size: 20px;
    }
    
    .audio-benefits li {
        font-size: 14px;
    }
    
    .hero-audio-cta {
        margin-top: 30px;
    }
    
    .btn-audio {
        font-size: 16px !important;
        padding: 15px 30px !important;
        background: linear-gradient(135deg, #FFB000, #FF8C00) !important;
        color: #0F172A !important;
    }
    
    .audio-description {
        font-size: 12px;
    }
    
    .hero {
        min-height: auto;
        padding: 100px 0 50px !important;
    }
    
    .hero-content {
        padding-top: 10px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .highlight-text {
        font-size: 36px;
    }
    
    .plus-icon {
        display: block;
        margin: 10px 0;
    }
    
    .hero-subtitle .large-text {
        font-size: 20px;
    }
    
    .hero-subtitle .sub-text {
        font-size: 16px;
    }
    
    .hero-price-simple {
        margin-bottom: 20px;
        padding: 10px 20px;
        background: rgba(0, 0, 0, 0.5);
    }
    
    .hero-price-simple span {
        font-size: 18px;
        font-weight: 800;
        text-shadow: 0 2px 10px rgba(0, 0, 0, 0.9), 0 0 20px rgba(255, 255, 255, 0.4);
    }
    
    .hero-price-simple strong {
        font-size: 22px;
        color: #FFD700;
        font-weight: 900;
        text-shadow: 0 2px 10px rgba(0, 0, 0, 0.9), 0 0 20px rgba(255, 215, 0, 0.6);
    }
    
    .hero-title {
        font-size: 32px;
        margin-bottom: 20px;
    }
    
    .highlight-text {
        font-size: 36px;
        font-weight: 900;
    }
    
    .plus-icon {
        font-size: 28px;
        margin: 0 8px;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 15px;
    }
    
    .hero-urgent-message {
        font-size: 16px;
        padding: 12px 25px;
        text-align: center;
    }
    
    .hero-urgent-message i {
        font-size: 20px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .social-proof {
        gap: 30px;
    }
    
    .proof-item strong {
        font-size: 24px;
    }
    
    .section-title {
        font-size: 24px;
        line-height: 1.4;
    }
    
    .section-subtitle {
        font-size: 16px;
    }
    
    .btn-large {
        padding: 15px 30px;
        font-size: 16px;
    }
    
    .diagnosis-input {
        padding: 30px 20px;
    }
    
    .countdown-timer {
        font-size: 36px;
    }
    
    .problems-grid,
    .why-grid,
    .products-grid,
    .cases-grid,
    .demerits-grid,
    .strengths-grid {
        grid-template-columns: 1fr;
    }
    
    .merit-header h3 {
        font-size: 22px;
    }
    
    .simulation-table td,
    .revenue-table td,
    .revenue-table th {
        padding: 10px;
        font-size: 14px;
    }
    
    .comparison-table {
        font-size: 14px;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 12px 8px;
    }
    
    .scheme-roles {
        grid-template-columns: 1fr;
    }
    
    .contact-methods {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .phone-number {
        font-size: 28px;
    }
    
    .plans-grid {
        grid-template-columns: 1fr;
    }
    
    .plan-card {
        padding: 40px 25px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    /* ヘッダー - モバイル */
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .logo-image {
        width: 40px;
        height: 40px;
    }
    
    .logo-icon {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
    .company-name {
        font-size: 14px;
    }
    
    .tagline {
        font-size: 10px;
    }
    
    .hero {
        padding: 120px 0 40px !important;
        min-height: auto;
    }
    
    .hero-content {
        padding-top: 10px;
    }
    
    .header-nav a {
        font-size: 18px;
    }
    
    .fixed-cta {
        bottom: 0;
        right: 0;
        left: 0;
        width: 100%;
        border-radius: 0;
    }
    
    .fixed-cta-card {
        border-radius: 0;
        padding: 0;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
        border: none;
        border-top: 2px solid #E2E8F0;
        min-width: 100%;
    }
    
    .fixed-cta-icon,
    .fixed-cta-label,
    .fixed-cta-phone,
    .fixed-cta-hours {
        display: none;
    }
    
    .fixed-cta-button {
        border-radius: 0;
        font-size: 16px;
        padding: 18px 20px;
        font-weight: 700;
    }
}

@media (max-width: 480px) {
    .site-header {
        padding: 10px 0;
    }
    
    section {
        padding: 30px 0 !important;
    }
    
    .container {
        padding: 0 12px;
    }
    
    .section-header {
        margin-bottom: 25px;
    }
    
    .site-title {
        font-size: 16px;
        color: #FFFFFF !important;
    }
    
    .hero-title {
        font-size: 24px;
        line-height: 1.4;
        margin-bottom: 10px;
    }
    
    .highlight-text {
        font-size: 32px !important;
        font-weight: 900 !important;
        display: block !important;
        margin: 8px 0 !important;
        text-shadow: 0 4px 15px rgba(0, 0, 0, 1), 
                     0 0 30px rgba(255, 215, 0, 0.8) !important;
    }
    
    .highlight-text.gold {
        text-shadow: 0 4px 15px rgba(0, 0, 0, 1), 
                     0 0 30px rgba(255, 140, 0, 0.8) !important;
    }
    
    .plus-icon {
        font-size: 20px;
        margin: 5px 0;
        display: block;
    }
    
    .hero-price-simple {
        margin-bottom: 10px !important;
        padding: 10px 20px !important;
        background: rgba(0, 0, 0, 0.85) !important;
        border-radius: 8px !important;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.8) !important;
        display: inline-block !important;
    }
    
    .hero-price-simple span {
        font-size: 16px !important;
        font-weight: 900 !important;
        display: block !important;
        line-height: 1.8 !important;
        color: #FFFFFF !important;
        text-shadow: 0 3px 10px rgba(0, 0, 0, 1), 
                     0 0 20px rgba(255, 255, 255, 0.8),
                     0 0 40px rgba(255, 255, 255, 0.4) !important;
    }
    
    .hero-price-simple strong {
        font-size: 20px !important;
        color: #FFD700 !important;
        font-weight: 900 !important;
        text-shadow: 0 3px 10px rgba(0, 0, 0, 1), 
                     0 0 25px rgba(255, 215, 0, 1),
                     0 0 45px rgba(255, 215, 0, 0.6) !important;
        display: inline-block !important;
    }
    
    .hero-subtitle {
        margin-bottom: 15px;
    }
    
    .hero-subtitle .large-text {
        font-size: 16px !important;
        font-weight: 700 !important;
        color: #FFFFFF !important;
        text-shadow: 0 2px 8px rgba(0, 0, 0, 0.9), 
                     0 0 15px rgba(255, 255, 255, 0.5) !important;
        line-height: 1.6 !important;
        margin-bottom: 10px;
    }
    
    .hero-features {
        margin-bottom: 15px;
    }
    
    .hero-audio-cta {
        margin-top: 15px;
    }
    
    .section-title {
        font-size: 20px;
        line-height: 1.4;
    }
    
    .hero-urgent-message {
        font-size: 14px;
        padding: 10px 20px;
        flex-direction: column;
        gap: 5px;
    }
    
    .hero-urgent-message i {
        font-size: 18px;
    }
    
    .emergency-badge {
        font-size: 14px;
        padding: 10px 20px;
    }
    
    .merit-card,
    .product-card,
    .case-content,
    .strength-card {
        padding: 25px 20px;
    }
    
    .simulation-box,
    .revenue-box {
        padding: 20px;
    }
    
    .revenue-result {
        padding: 15px;
    }
    
    .revenue-main {
        font-size: 15px;
        flex-direction: column;
        gap: 5px;
        text-align: center;
    }
    
    .revenue-main i {
        font-size: 16px;
    }
    
    .revenue-sub {
        font-size: 12px;
        line-height: 1.8;
    }
    
    .contact-method {
        padding: 30px 20px;
    }
}