/* ========================================
   リセット & 基本設定
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* カラーパレット */
    --primary-color: #1e40af;
    --primary-dark: #1e3a8a;
    --primary-light: #3b82f6;
    --secondary-color: #f59e0b;
    --accent-color: #ef4444;
    --success-color: #10b981;
    --danger-color: #dc2626;
    
    /* グレースケール */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* テキストカラー */
    --text-primary: #1f2937;
    --text-secondary: #4b5563;
    --text-light: #6b7280;
    
    /* 背景カラー */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-dark: #0f172a;
    --bg-gradient: linear-gradient(135deg, #1e40af 0%, #7c3aed 100%);
    
    /* フォント */
    --font-sans: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Noto Serif JP', serif;
    
    /* スペーシング */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* ボーダー半径 */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* シャドウ */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* トランジション */
    --transition-fast: 0.15s ease-in-out;
    --transition-base: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

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

body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   ユーティリティクラス
   ======================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.sp-only {
    display: none;
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.25rem;
    }
    
    .sp-only {
        display: inline;
    }
}

/* ========================================
   ヘッダー
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-base);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo h1 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--font-serif);
}

.nav {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
    padding: 0.5rem 0;
}

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

.nav-link.cta-button {
    background: var(--primary-color);
    color: white;
    padding: 0.625rem 1.5rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.nav-link.cta-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

@media (max-width: 768px) {
    .nav {
        gap: var(--spacing-sm);
    }
    
    .nav-link {
        font-size: 0.85rem;
    }
    
    .nav-link.cta-button {
        padding: 0.5rem 1rem;
    }
}

/* ========================================
   ヒーローセクション
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

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

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(30, 64, 175, 0.88) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: white;
    padding: var(--spacing-lg) 0;
    animation: fadeInUp 1s ease-out;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
    opacity: 0.95;
    letter-spacing: 0.05em;
}

.hero-title {
    font-size: 3rem;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-serif);
}

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

.hero-description {
    font-size: 1.15rem;
    line-height: 2;
    margin-bottom: var(--spacing-lg);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
}

.text-emphasis {
    color: var(--secondary-color);
    font-weight: 700;
    font-size: 1.25rem;
}

.hero-cta {
    margin-top: var(--spacing-lg);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: white;
    font-size: 0.875rem;
    opacity: 0.7;
    z-index: 10;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: white;
    margin-top: 0.5rem;
    animation: scrollAnimation 2s infinite;
}

@keyframes scrollAnimation {
    0%, 100% {
        transform: translateY(0);
        opacity: 0.7;
    }
    50% {
        transform: translateY(10px);
        opacity: 0.3;
    }
}

@media (max-width: 768px) {
    .hero-subtitle {
        font-size: 1.1rem;
        line-height: 1.7;
        margin-bottom: 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.5;
        margin-bottom: 1.5rem;
        padding: 0 1rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
        line-height: 2;
        padding: 0 1rem;
    }
    
    .text-emphasis {
        font-size: 1.2rem;
        display: block;
        margin-top: 1rem;
    }
}

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

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

.btn-primary:hover {
    background: #d97706;
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.15rem;
}

.btn-cta {
    padding: 1.5rem 3rem;
    font-size: 1.25rem;
}

.btn-submit {
    width: 100%;
    justify-content: center;
    padding: 1.25rem 2rem;
    font-size: 1.1rem;
}

@media (max-width: 768px) {
    .btn {
        padding: 1.25rem 2rem;
        font-size: 1.1rem;
        width: 100%;
        justify-content: center;
    }
    
    .btn-large, .btn-cta {
        padding: 1.5rem 2rem;
        font-size: 1.2rem;
    }
    
    .btn-submit {
        padding: 1.5rem 2rem;
        font-size: 1.2rem;
    }
}

/* ========================================
   セクション共通
   ======================================== */
section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1.4;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-serif);
    color: var(--text-primary);
}

.section-title.white {
    color: white;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.section-subtitle.white {
    color: rgba(255, 255, 255, 0.9);
}

@media (max-width: 768px) {
    section {
        padding: 3rem 0;
    }
    
    .section-title {
        font-size: 2rem;
        line-height: 1.6;
        padding: 0 1rem;
        margin-bottom: 1.5rem;
    }
    
    .section-subtitle {
        font-size: 1.15rem;
        line-height: 2;
        padding: 0 1rem;
    }
}

/* ========================================
   問題提起セクション
   ======================================== */
.problem-section {
    background: var(--bg-secondary);
}

.problem-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.bucket-metaphor {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.bucket {
    text-align: center;
    flex: 1;
    padding: var(--spacing-md);
}

.bucket i {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
}

.bucket.leaky i {
    color: var(--danger-color);
}

.bucket.solid i {
    color: var(--success-color);
}

.water-drops {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: var(--spacing-sm);
    animation: dripping 1.5s infinite;
}

.water-drops i {
    font-size: 1.5rem !important;
    color: var(--primary-light);
}

@keyframes dripping {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(10px);
    }
}

.growth-arrow {
    margin-top: var(--spacing-sm);
    animation: growthArrow 2s infinite;
}

.growth-arrow i {
    font-size: 2rem !important;
    color: var(--success-color);
}

@keyframes growthArrow {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.bucket-label {
    margin-top: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.1rem;
}

.bucket-label.danger {
    color: var(--danger-color);
}

.bucket-label.success {
    color: var(--success-color);
}

.vs-text {
    font-size: 2rem;
    font-weight: 900;
    color: var(--gray-400);
}

.problem-box {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-md);
}

.problem-box.alert {
    border-left: 5px solid var(--danger-color);
}

.problem-box-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
}

.problem-box-title i {
    color: var(--secondary-color);
}

.problem-box.alert .problem-box-title i {
    color: var(--danger-color);
}

.problem-box p {
    font-size: 1.1rem;
    line-height: 1.9;
    margin-bottom: var(--spacing-sm);
}

.emphasis-text {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1.15rem !important;
    margin-top: var(--spacing-md) !important;
}

.loss-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.loss-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-sm);
    background: var(--gray-50);
    border-radius: var(--radius-md);
}

.loss-item i {
    font-size: 2.5rem;
    color: var(--danger-color);
}

.loss-item span {
    font-weight: 600;
    font-size: 0.95rem;
}

.final-message {
    font-weight: 600;
    color: var(--danger-color);
    font-size: 1.15rem !important;
    margin-top: var(--spacing-md) !important;
}

.conclusion-box {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    text-align: center;
}

.conclusion-text {
    color: white;
    font-size: 1.5rem;
    line-height: 1.8;
    font-weight: 500;
}

.highlight-large {
    display: block;
    font-size: 2rem;
    font-weight: 900;
    color: var(--secondary-color);
    margin-top: var(--spacing-sm);
    font-family: var(--font-serif);
}

@media (max-width: 768px) {
    .bucket-metaphor {
        flex-direction: column;
        gap: var(--spacing-md);
        padding: 1.5rem;
    }
    
    .bucket {
        padding: 1.5rem;
    }
    
    .bucket-label {
        font-size: 1.1rem;
    }
    
    .vs-text {
        font-size: 2.5rem;
        margin: 1rem 0;
    }
    
    .problem-box {
        padding: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .problem-box-title {
        font-size: 1.4rem;
        line-height: 1.6;
        flex-wrap: wrap;
    }
    
    .problem-box p {
        font-size: 1.1rem;
        line-height: 2;
        margin-bottom: 1rem;
    }
    
    .emphasis-text {
        font-size: 1.2rem !important;
        line-height: 1.8;
    }
    
    .loss-items {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .loss-item {
        padding: 1.5rem;
    }
    
    .loss-item span {
        font-size: 1.1rem;
    }
    
    .final-message {
        font-size: 1.2rem !important;
        line-height: 2;
    }
    
    .conclusion-box {
        padding: 2rem 1.5rem;
    }
    
    .conclusion-text {
        font-size: 1.3rem;
        line-height: 2;
    }
    
    .highlight-large {
        font-size: 1.8rem;
        line-height: 1.6;
        margin-top: 1rem;
    }
}

/* ========================================
   解決策セクション
   ======================================== */
.solution-section {
    background: var(--bg-gradient);
    color: white;
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    align-items: center;
}

.solution-image img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.solution-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.solution-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
}

.solution-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.solution-card p {
    font-size: 1.05rem;
    line-height: 1.8;
    opacity: 0.95;
}

.case-study {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    color: var(--text-primary);
}

.case-study-title {
    font-size: 1.75rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.case-study-title i {
    color: var(--secondary-color);
}

.case-study-content {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-md);
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.case-before, .case-after {
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
}

.case-before {
    background: #fef2f2;
}

.case-after {
    background: #f0fdf4;
}

.case-before h4, .case-after h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.case-stat {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.case-result {
    font-size: 1.75rem;
    font-weight: 900;
    margin: var(--spacing-sm) 0;
}

.case-result.negative {
    color: var(--danger-color);
}

.case-result.positive {
    color: var(--success-color);
}

.case-reason {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.case-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.case-arrow i {
    font-size: 2rem;
    color: var(--primary-color);
}

.case-arrow span {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 0.95rem;
}

.case-conclusion {
    text-align: center;
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.8;
}

.highlight {
    color: var(--secondary-color);
    font-weight: 700;
}

@media (max-width: 768px) {
    .solution-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .solution-card {
        padding: 2rem 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .solution-card h3 {
        font-size: 1.5rem;
        line-height: 1.6;
        margin-bottom: 1rem;
    }
    
    .solution-card p {
        font-size: 1.15rem;
        line-height: 2;
    }
    
    .case-study {
        padding: 2rem 1.5rem;
    }
    
    .case-study-title {
        font-size: 1.5rem;
        line-height: 1.6;
        margin-bottom: 2rem;
    }
    
    .case-study-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .case-before, .case-after {
        padding: 1.5rem;
    }
    
    .case-before h4, .case-after h4 {
        font-size: 1.3rem;
        margin-bottom: 1rem;
    }
    
    .case-stat {
        font-size: 1.15rem;
        margin-bottom: 0.75rem;
    }
    
    .case-result {
        font-size: 2rem;
        margin: 1rem 0;
    }
    
    .case-reason {
        font-size: 1.05rem;
        line-height: 1.7;
    }
    
    .case-arrow {
        margin: 1rem 0;
    }
    
    .case-arrow i {
        transform: rotate(90deg);
    }
    
    .case-arrow span {
        font-size: 1.05rem;
    }
    
    .case-conclusion {
        font-size: 1.3rem;
        line-height: 2;
        padding: 0 1rem;
    }
}

/* ========================================
   私の立場セクション
   ======================================== */
.identity-section {
    background: var(--bg-secondary);
}

.identity-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.identity-image img {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.identity-title {
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1.4;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-serif);
}

.identity-description {
    font-size: 1.15rem;
    line-height: 1.9;
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
}

.identity-role {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border-left: 5px solid var(--secondary-color);
}

.role-icon {
    font-size: 4rem;
    color: var(--secondary-color);
    flex-shrink: 0;
}

.role-text h3 {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .identity-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .identity-title {
        font-size: 2rem;
        line-height: 1.5;
        padding: 0 1rem;
        margin-bottom: 1.5rem;
    }
    
    .identity-description {
        font-size: 1.15rem;
        line-height: 2;
        padding: 0 1rem;
    }
    
    .identity-role {
        flex-direction: column;
        text-align: center;
        padding: 2rem 1.5rem;
    }
    
    .role-icon {
        font-size: 4.5rem;
    }
    
    .role-text h3 {
        font-size: 1.4rem;
        line-height: 1.8;
    }
}

/* ========================================
   プロセスセクション
   ======================================== */
.process-section {
    background: white;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.process-card {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    position: relative;
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

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

.process-number {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    font-size: 3rem;
    font-weight: 900;
    color: var(--gray-200);
    font-family: var(--font-serif);
}

.process-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.process-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.process-description {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.highlight-card {
    grid-column: 1 / -1;
    background: var(--bg-gradient);
    color: white;
    text-align: center;
    padding: var(--spacing-xl);
}

.highlight-card .process-icon {
    color: var(--secondary-color);
}

.highlight-card .process-icon.large {
    font-size: 5rem;
}

.highlight-card .process-title {
    color: white;
}

.highlight-card .process-title.large {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.highlight-card .process-description.large {
    font-size: 1.35rem;
    color: white;
}

@media (max-width: 768px) {
    .process-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .process-card {
        padding: 2rem 1.5rem;
    }
    
    .process-icon {
        font-size: 3.5rem;
    }
    
    .process-title {
        font-size: 1.5rem;
        line-height: 1.6;
        margin-bottom: 1rem;
    }
    
    .process-description {
        font-size: 1.15rem;
        line-height: 2;
    }
    
    .highlight-card {
        padding: 2.5rem 1.5rem;
    }
    
    .highlight-card .process-icon.large {
        font-size: 5.5rem;
    }
    
    .highlight-card .process-title.large {
        font-size: 1.8rem;
        line-height: 1.6;
    }
    
    .highlight-card .process-description.large {
        font-size: 1.3rem;
        line-height: 2;
    }
}

/* ========================================
   緊急性セクション
   ======================================== */
.urgency-section {
    background: #fef2f2;
    border-top: 5px solid var(--danger-color);
    border-bottom: 5px solid var(--danger-color);
}

.urgency-content {
    text-align: center;
}

.urgency-icon {
    font-size: 5rem;
    color: var(--danger-color);
    margin-bottom: var(--spacing-md);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

.urgency-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--danger-color);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-serif);
}

.urgency-text {
    font-size: 1.25rem;
    line-height: 1.9;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.urgency-calculation {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    max-width: 900px;
    margin: 0 auto;
}

.calc-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: var(--spacing-sm);
}

.calc-item.result {
    background: #fef2f2;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.calc-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.calc-value {
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--text-primary);
}

.calc-value.highlight {
    color: var(--danger-color);
    font-size: 2.5rem;
}

.calc-operator {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-400);
}

@media (max-width: 768px) {
    .urgency-icon {
        font-size: 5.5rem;
    }
    
    .urgency-title {
        font-size: 2rem;
        line-height: 1.5;
        padding: 0 1rem;
        margin-bottom: 1.5rem;
    }
    
    .urgency-text {
        font-size: 1.15rem;
        line-height: 2;
        padding: 0 1rem;
        margin-bottom: 2rem;
    }
    
    .urgency-calculation {
        flex-direction: column;
        padding: 2rem 1.5rem;
        margin: 0 1rem;
    }
    
    .calc-item {
        padding: 1rem;
        width: 100%;
    }
    
    .calc-item.result {
        padding: 1.5rem;
    }
    
    .calc-label {
        font-size: 1.05rem;
        line-height: 1.6;
    }
    
    .calc-value {
        font-size: 2rem;
    }
    
    .calc-value.highlight {
        font-size: 3rem;
    }
    
    .calc-operator {
        font-size: 2.5rem;
        margin: 0.5rem 0;
    }
}

/* ========================================
   オファーセクション
   ======================================== */
.offer-section {
    background: white;
}

.offer-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.benefit-card {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-base);
}

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

.benefit-icon {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.benefit-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.benefit-card p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* オファーセクションのモバイル対応 */
@media (max-width: 768px) {
    .offer-benefits {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .benefit-card {
        padding: 2rem 1.5rem;
    }
    
    .benefit-icon {
        font-size: 4rem;
    }
    
    .benefit-card h3 {
        font-size: 1.5rem;
        line-height: 1.6;
        margin-bottom: 1rem;
    }
    
    .benefit-card p {
        font-size: 1.15rem;
        line-height: 2;
    }
}

/* ========================================
   CTAセクション
   ======================================== */
.cta-section {
    background: var(--bg-gradient);
    color: white;
}

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

.cta-title {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-serif);
}

.cta-description {
    font-size: 1.35rem;
    line-height: 1.9;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.cta-choice {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-md);
    align-items: center;
    margin: var(--spacing-xl) 0;
}

.choice-box {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.choice-box h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.choice-box p {
    font-size: 1.15rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.choice-box i {
    font-size: 3rem;
}

.choice-box.option-a {
    border-color: var(--success-color);
}

.choice-box.option-a i {
    color: var(--success-color);
}

.choice-box.option-b {
    border-color: var(--danger-color);
}

.choice-box.option-b i {
    color: var(--danger-color);
}

.choice-vs {
    font-size: 2rem;
    font-weight: 900;
    color: white;
}

.cta-decision {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
}

.cta-box {
    background: white;
    color: var(--text-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 800px;
    margin: 0 auto;
}

.cta-box-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.cta-box-title i {
    color: var(--secondary-color);
}

.cta-box-text {
    font-size: 1.15rem;
    line-height: 1.9;
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
}

.cta-note {
    margin-top: var(--spacing-md);
    font-size: 0.95rem;
    color: var(--text-light);
}

@media (max-width: 768px) {
    .cta-title {
        font-size: 2rem;
        line-height: 1.5;
        padding: 0 1rem;
        margin-bottom: 1.5rem;
    }
    
    .cta-description {
        font-size: 1.15rem;
        line-height: 2;
        padding: 0 1rem;
    }
    
    .cta-choice {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .choice-box {
        padding: 2rem 1.5rem;
    }
    
    .choice-box h3 {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }
    
    .choice-box p {
        font-size: 1.2rem;
        line-height: 1.8;
        margin-bottom: 1.5rem;
    }
    
    .choice-box i {
        font-size: 3.5rem;
    }
    
    .choice-vs {
        font-size: 2.5rem;
        margin: 1rem 0;
    }
    
    .cta-decision {
        font-size: 1.5rem;
        line-height: 1.7;
        padding: 0 1rem;
        margin: 2rem 0;
    }
    
    .cta-box {
        padding: 2rem 1.5rem;
        margin: 0 1rem;
    }
    
    .cta-box-title {
        font-size: 1.6rem;
        line-height: 1.6;
        flex-direction: column;
        gap: 0.75rem;
        margin-bottom: 1.5rem;
    }
    
    .cta-box-text {
        font-size: 1.15rem;
        line-height: 2;
    }
    
    .cta-note {
        font-size: 1rem;
        line-height: 1.7;
    }
}

/* ========================================
   フォームセクション
   ======================================== */
.form-section {
    background: var(--bg-secondary);
}

.form-container {
    max-width: 700px;
    margin: 0 auto;
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.form-title {
    font-size: 2.25rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
    font-family: var(--font-serif);
}

.form-description {
    text-align: center;
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.diagnostic-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-label i {
    color: var(--primary-color);
}

.required {
    color: var(--danger-color);
    font-size: 0.875rem;
    font-weight: 700;
}

.form-input,
.form-textarea,
.form-select {
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-help {
    font-size: 0.875rem;
    color: var(--text-light);
}

.checkbox-group {
    margin-top: var(--spacing-sm);
}

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

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.checkbox-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

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

.form-submit {
    margin-top: var(--spacing-md);
}

.form-message {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 600;
}

.form-message.success {
    background: #f0fdf4;
    color: var(--success-color);
    border: 2px solid var(--success-color);
}

.form-message.error {
    background: #fef2f2;
    color: var(--danger-color);
    border: 2px solid var(--danger-color);
}

/* フォームのモバイル対応 */
@media (max-width: 768px) {
    .form-container {
        padding: 2rem 1.5rem;
    }
    
    .form-title {
        font-size: 1.8rem;
        line-height: 1.5;
        margin-bottom: 1.5rem;
    }
    
    .form-description {
        font-size: 1.1rem;
        line-height: 2;
        margin-bottom: 2rem;
    }
    
    .diagnostic-form {
        gap: 1.5rem;
    }
    
    .form-label {
        font-size: 1.1rem;
        margin-bottom: 0.5rem;
    }
    
    .form-input,
    .form-textarea,
    .form-select {
        padding: 1.25rem;
        font-size: 1.1rem;
        border-width: 2px;
    }
    
    .form-textarea {
        min-height: 150px;
    }
    
    .form-help {
        font-size: 1rem;
        line-height: 1.7;
    }
    
    .checkbox-label input[type="checkbox"] {
        width: 24px;
        height: 24px;
        min-width: 24px;
    }
    
    .checkbox-text {
        font-size: 1.05rem;
        line-height: 1.7;
    }
    
    .required {
        font-size: 0.95rem;
    }
}

/* ========================================
   フッター
   ======================================== */
.footer {
    background: var(--gray-900);
    color: white;
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--gray-700);
}

.footer-logo h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    font-family: var(--font-serif);
}

.footer-logo p {
    font-size: 0.95rem;
    color: var(--gray-400);
}

.footer-nav {
    display: flex;
    gap: var(--spacing-md);
}

.footer-nav a {
    color: var(--gray-300);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.footer-nav a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--gray-500);
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .footer-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* ========================================
   アニメーション
   ======================================== */
.fade-in {
    opacity: 0;
    animation: fadeIn 0.8s ease-out forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.slide-up {
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.8s ease-out forwards;
}

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}