/*
 * TYA LP — main stylesheet (migrated from Genspark output 2026-04-28)
 *
 * !! TODO: external image references requiring confirmation/replacement !!
 *
 *   1. Hero background — line ~461
 *      url('https://page.gensparksite.com/v1/base64_upload/38d9524833642b9d6e941f73a3a57142')
 *
 *   2. Problem-section background — line ~684
 *      url('https://page.gensparksite.com/v1/base64_upload/55cd6b1ef1b55d5a74fa49c7eecfe332')
 *
 *   3. Cause-section background — line ~782
 *      url('https://page.gensparksite.com/v1/base64_upload/b0297f1bba28d540fb7b31b5dd4bdd85')
 *
 * These point to Genspark's CDN. Once Yoshimoto confirms image rights:
 *   - if rights OK, download and swap to local paths under
 *     /wp-content/themes/tya-sydney-child/assets/images/
 *   - if not OK, replace with licensed alternatives.
 *
 * Local images are already optimized (JPG/PNG + WebP) under assets/images/.
 * Backgrounds NOT in the list above (problem-background.jpg, cause-background.jpg,
 * hero-stressed-professional.jpg, etc.) are local and bundled.
 */

/* ==========================================
   TYA Landing Page - CSS Stylesheet
   ========================================== */

/* ==========================================
   1. CSS Variables & Reset
   ========================================== */

:root {
    /* Primary Colors */
    --color-primary: #1e3a8a;
    --color-primary-dark: #1e40af;
    --color-primary-light: #3b82f6;
    
    /* Secondary Colors */
    --color-secondary: #0ea5e9;
    --color-accent: #06b6d4;
    
    /* Neutral Colors */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /* Semantic Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    
    /* Typography */
    --font-family: 'Noto Sans JP', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.7;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Container */
    --container-max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-family);
    line-height: var(--line-height-base);
    color: var(--color-gray-800);
    background-color: var(--color-white);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

ul, ol {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* ==========================================
   2. Utility Classes
   ========================================== */

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

.section {
    padding: 100px 0;
    position: relative;
    margin: 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 5px;
    background: linear-gradient(90deg, 
        var(--color-primary) 0%, 
        var(--color-secondary) 50%,
        var(--color-primary) 100%
    );
    border-radius: 0 0 10px 10px;
}

.section::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 40px;
    background: linear-gradient(180deg, 
        var(--color-secondary) 0%, 
        transparent 100%
    );
}

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

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

.bg-white {
    background-color: var(--color-white);
    border-left: 8px solid var(--color-secondary);
    border-right: 8px solid var(--color-secondary);
}

.bg-gray {
    background: linear-gradient(135deg, var(--color-gray-50) 0%, #e8eaf0 100%);
    border-left: 8px solid var(--color-primary);
    border-right: 8px solid var(--color-primary);
}

.bg-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-left: 8px solid #ffdf00;
    border-right: 8px solid #ffdf00;
    box-shadow: 0 10px 30px rgba(30, 58, 138, 0.3);
}

.bg-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 50%, var(--color-primary-light) 100%);
    border-left: 8px solid #ffdf00;
    border-right: 8px solid #ffdf00;
    box-shadow: 0 10px 30px rgba(14, 165, 233, 0.3);
}

.bg-light-blue {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-left: 8px solid var(--color-primary-light);
    border-right: 8px solid var(--color-primary-light);
}

.bg-accent {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-left: 8px solid var(--color-secondary);
    border-right: 8px solid var(--color-secondary);
}

/* Fade In Animation */
.fade-in {
    opacity: 0;
    transform: translateY(50px) scale(0.95);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* 段階的なアニメーション */
.fade-in:nth-child(1) { transition-delay: 0.1s; }
.fade-in:nth-child(2) { transition-delay: 0.2s; }
.fade-in:nth-child(3) { transition-delay: 0.3s; }
.fade-in:nth-child(4) { transition-delay: 0.4s; }
.fade-in:nth-child(5) { transition-delay: 0.5s; }

/* ==========================================
   3. Typography
   ========================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-900);
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.875rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: var(--spacing-md);
}

/* ==========================================
   4. Buttons
   ========================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    text-align: center;
    white-space: nowrap;
}

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

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

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

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

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

.btn-white:hover {
    background-color: var(--color-gray-50);
    transform: translateY(-2px);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

/* ==========================================
   5. Header & Navigation
   ========================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-base);
}

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

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

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 50px;
    width: auto;
    transition: transform var(--transition-base);
    mix-blend-mode: multiply;
    filter: brightness(1.1);
}

.logo-img:hover {
    transform: scale(1.05);
}

.logo h1 {
    font-size: 1.875rem;
    font-weight: 900;
    color: var(--color-primary);
    margin: 0;
    letter-spacing: 0.05em;
}

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

.nav-link {
    font-weight: 500;
    color: var(--color-gray-700);
    position: relative;
    padding: var(--spacing-xs) 0;
}

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

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

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

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--color-primary);
}

.mobile-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-menu-list {
    padding: var(--spacing-lg);
}

.mobile-menu-link {
    display: block;
    padding: var(--spacing-md);
    font-weight: 500;
    color: var(--color-gray-700);
    border-bottom: 1px solid var(--color-gray-200);
}

.mobile-menu-link:hover {
    color: var(--color-primary);
    background-color: var(--color-gray-50);
}

/* Language switcher (JP ⇄ EN). Sits at the end of .nav-list and .mobile-menu-list. */
.nav-lang-item {
    margin-left: var(--spacing-sm);
}

.lang-toggle {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    border: 1.5px solid var(--color-primary);
    border-radius: var(--radius-sm);
    background-color: transparent;
    transition: background-color var(--transition-base), color var(--transition-base);
    line-height: 1;
}

.lang-toggle:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.lang-toggle--mobile {
    display: block;
    text-align: center;
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
}

/* ==========================================
   6. Hero Section
   ========================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    /* FV hero background — licensed iStock photo (asset ID 451961475), provided by client */
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.50) 0%, rgba(59, 130, 246, 0.50) 100%), url('../img/hero-bg.jpg') center/cover no-repeat;
    background-position: center 40%;
    color: var(--color-white);
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.55) 0%, rgba(59, 130, 246, 0.55) 100%);
    z-index: 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 3rem 1rem;
}

.hero-title {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 2rem;
    color: var(--color-white);
    line-height: 1.5;
}

.highlight-text {
    position: relative;
    display: inline-block;
    padding: 0 0.2em;
    z-index: 1;
}

.highlight-text::before {
    content: '';
    position: absolute;
    bottom: 0.1em;
    left: -0.1em;
    right: -0.1em;
    height: 0.6em;
    background: linear-gradient(
        104deg,
        rgba(255, 223, 0, 0) 0.9%,
        rgba(255, 223, 0, 0.8) 2.4%,
        rgba(255, 223, 0, 0.7) 5.8%,
        rgba(255, 223, 0, 0.6) 93%,
        rgba(255, 223, 0, 0.5) 96%,
        rgba(255, 223, 0, 0) 98%
    ),
    linear-gradient(
        183deg,
        rgba(255, 223, 0, 0) 0%,
        rgba(255, 223, 0, 0.3) 7.9%,
        rgba(255, 223, 0, 0) 15%
    );
    border-radius: 0.3em 0.2em;
    transform: skewX(-10deg);
    z-index: -1;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2.5rem;
    color: var(--color-white);
}

.hero-description {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    justify-content: center;
    align-items: center;
    margin-top: 3rem;
}

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-white);
    font-size: 0.875rem;
    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);
    }
}

/* ==========================================
   7. Section Headers
   ========================================== */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    position: relative;
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, transparent 0%, rgba(30, 58, 138, 0.03) 50%, transparent 100%);
}

.section-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: 50%;
    box-shadow: 0 8px 25px rgba(30, 58, 138, 0.3);
    z-index: 1;
}

.section-icon {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    z-index: 2;
}

.section-header::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 6px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--color-secondary) 20%,
        var(--color-primary) 50%, 
        var(--color-secondary) 80%,
        transparent 100%
    );
    border-radius: 3px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-xl);
    color: var(--color-gray-900);
    position: relative;
    padding: var(--spacing-md);
    background: linear-gradient(180deg, transparent 0%, rgba(255, 255, 255, 0.8) 100%);
    border-radius: var(--radius-lg);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.section-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ==========================================
   8. Problem Section
   ========================================== */

.problem-section {
    position: relative;
    /* Problem section background — licensed iStock photo (asset ID 155381323), provided by client */
    background: linear-gradient(135deg, rgba(239, 246, 255, 0.75) 0%, rgba(219, 234, 254, 0.75) 100%), url('../img/problem-bg.jpg') center/cover no-repeat;
}

.problem-visual {
    margin-bottom: var(--spacing-3xl);
    text-align: center;
}



.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 769px) {
    .problem-grid {
        grid-template-rows: repeat(2, 1fr);
    }
}

.problem-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

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

.problem-card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.problem-icon {
    width: 70px;
    height: 70px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    font-size: 1.75rem;
}

.problem-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
}

.problem-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-900);
}

.problem-description {
    font-size: 1rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.problem-details {
    list-style: disc;
    padding-left: var(--spacing-lg);
}

.problem-details li {
    color: var(--color-gray-600);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-xs);
}

/* ==========================================
   9. Cause Section
   ========================================== */

.cause-section {
    position: relative;
    /* Cause section background — licensed iStock photo (asset ID 2232018632), provided by client */
    background: linear-gradient(135deg, rgba(249, 250, 251, 0.40) 0%, rgba(232, 234, 240, 0.40) 100%), url('../img/cause-bg.jpg') center/cover no-repeat;
}

.cause-timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    padding-left: 80px;
}

.cause-timeline::before {
    display: none;
}

.cause-timeline-item {
    position: relative;
    margin-bottom: var(--spacing-3xl);
}

.cause-timeline-marker {
    position: absolute;
    left: -80px;
    top: 0;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(30, 58, 138, 0.3);
    z-index: 2;
}

.cause-timeline-content {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.cause-timeline-item:hover .cause-timeline-content {
    box-shadow: var(--shadow-xl);
    transform: translateX(10px);
}

.cause-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    position: relative;
    z-index: 1;
}

.cause-description {
    font-size: 1rem;
    color: var(--color-gray-600);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* ==========================================
   10. Root Cause Section
   ========================================== */



.root-cause-list {
    max-width: 1000px;
    margin: 0 auto var(--spacing-3xl);
}

.root-cause-item {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition-base);
}

.root-cause-item:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-3px);
}

.root-cause-item-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.root-cause-icon {
    width: 70px;
    height: 70px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: 50%;
    color: var(--color-white);
    font-size: 2rem;
}

.root-cause-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-900);
}

.root-cause-description {
    font-size: 1rem;
    color: var(--color-gray-600);
    line-height: 1.7;
}

.quote-box {
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.75) 0%, rgba(59, 130, 246, 0.75) 100%), url('../images/pirate-treasure-map.jpg') center/cover no-repeat;
    background-size: cover;
    background-position: center;
    background-size: cover;
    background-position: center;
    background-color: var(--color-primary);
    background-blend-mode: overlay;
    padding: var(--spacing-3xl) var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    position: relative;
}

.quote-icon {
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.3);
    margin-bottom: var(--spacing-md);
}

.quote-text {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-white);
    line-height: 1.8;
    margin: 0;
}

/* ==========================================
   11. Solution Section
   ========================================== */

.solution-hero-visual {
    margin-bottom: var(--spacing-3xl);
    text-align: center;
}

.solution-hero-image {
    width: 100%;
    max-width: 700px;
    margin: 0 auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.solution-title {
    color: var(--color-white) !important;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.solution-description {
    color: rgba(255, 255, 255, 0.95) !important;
    font-weight: 500;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.solution-hero {
    margin-bottom: var(--spacing-3xl);
    text-align: center;
}

.solution-hero-image {
    width: 100%;
    max-width: 700px;
    margin: 0 auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.solution-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    position: relative;
}

.solution-steps::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 12.5%;
    right: 12.5%;
    height: 3px;
    background: linear-gradient(90deg, 
        rgba(255, 255, 255, 0.3) 0%,
        rgba(255, 255, 255, 0.5) 25%,
        rgba(255, 255, 255, 0.5) 50%,
        rgba(255, 255, 255, 0.5) 75%,
        rgba(255, 255, 255, 0.3) 100%
    );
    transform: translateY(-50%);
    z-index: 0;
}

.solution-step {
    position: relative;
    z-index: 1;
}

.step-number {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    font-size: 0.875rem;
    font-weight: 700;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.step-content {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    min-height: 280px;
    display: flex;
    flex-direction: column;
}

.solution-step:hover .step-content {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.step-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
}

.step-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-gray-900);
}

.step-subtitle {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.step-description {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* ==========================================
   12. Full Funnel Section
   ========================================== */

.funnel-section {
    position: relative;
    background: linear-gradient(135deg, rgba(249, 250, 251, 0.70) 0%, rgba(232, 234, 240, 0.70) 100%), url('../images/customer-journey-funnel.jpg') center center/contain no-repeat;
    background-attachment: scroll;
}

.funnel-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
}

.funnel-stages-container {
    display: flex;
    flex-direction: column;
    max-width: 800px;
    width: 100%;
}

.funnel-stage {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border-left: 4px solid var(--color-primary);
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.funnel-stage:hover {
    box-shadow: var(--shadow-xl);
    transform: translateX(5px);
    border-left-width: 6px;
}

.funnel-stage:hover .funnel-stage-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary-light) 100%);
}

.funnel-stage-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: 50%;
    color: var(--color-white);
    font-size: 1.75rem;
    box-shadow: 0 4px 10px rgba(30, 58, 138, 0.2);
    transition: all var(--transition-base);
}

.funnel-stage > div:not(.funnel-stage-icon) {
    flex: 1;
}

.funnel-stage-header {
    margin-bottom: var(--spacing-sm);
}

.funnel-stage-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
}

.funnel-stage-subtitle {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-600);
}

.funnel-stage-content {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.6;
}

.funnel-stage-content p {
    margin: 0;
}

.funnel-arrow {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-md);
    color: var(--color-primary);
    font-size: 1.5rem;
}

.funnel-visual-side {
    position: sticky;
    top: 100px;
    text-align: center;
}

.funnel-visual-stack {
    position: relative;
    width: 100%;
}

.persona-image-container {
    position: relative;
    margin-bottom: var(--spacing-xl);
}

.persona-image-overlay {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.persona-label {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    font-size: 1.125rem;
    font-weight: 700;
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

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

.funnel-note {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
    box-shadow: var(--shadow-md);
}

.funnel-note p {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-gray-700);
    margin: 0;
}

.persona-visual {
    margin-top: var(--spacing-3xl);
    text-align: center;
}

.persona-image {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

/* ==========================================
   13. Results Section
   ========================================== */

.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.result-card {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    text-align: center;
    border: 3px solid transparent;
    display: flex;
    flex-direction: column;
    min-height: 500px;
}

.result-card-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary-light);
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.result-brand {
    margin-bottom: var(--spacing-lg);
    min-height: 100px;
    max-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.result-logo {
    max-width: 200px;
    max-height: 80px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.result-brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.result-number {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.result-value {
    font-size: 7rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.result-unit {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-left: var(--spacing-xs);
}

.result-label {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.result-description {
    font-size: 1rem;
    color: var(--color-gray-600);
    line-height: 1.7;
    flex-grow: 1;
    display: flex;
    align-items: center;
}

/* ==========================================
   Start and Goal Section (PDCA Cycle)
   ========================================== */

.start-goal-section {
    position: relative;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: var(--color-white);
}

.start-goal-intro {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--color-white);
    text-align: center;
    max-width: 800px;
    margin: var(--spacing-lg) auto;
    padding: var(--spacing-lg) var(--spacing-xl);
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    font-weight: 500;
}

.pdca-cycle {
    position: relative;
    max-width: 900px;
    height: 650px;
    margin: 0 auto var(--spacing-3xl);
    padding: var(--spacing-xl) 0;
}

.pdca-center {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 220px;
    height: 220px;
    background: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    border: 8px solid rgba(255, 255, 255, 0.4);
    z-index: 2;
}

.pdca-center::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 50%;
    bottom: 0;
    left: 0;
    border-radius: 0 0 110px 110px;
    background: conic-gradient(
        from 180deg at 50% 100%,
        transparent 0deg 60deg,
        rgba(59, 130, 246, 0.1) 60deg 120deg,
        transparent 120deg 180deg
    );
    animation: rotate 30s linear infinite;
    transform-origin: 50% 0;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.pdca-pentagon {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

.pdca-center-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    position: absolute;
    bottom: 25%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    animation: pulse-rotate 3s ease-in-out infinite;
}

.pdca-center-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    position: absolute;
    top: 25%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    letter-spacing: 0.1em;
}

@keyframes pulse-rotate {
    0%, 100% {
        transform: translateX(-50%) rotate(0deg) scale(1);
    }
    50% {
        transform: translateX(-50%) rotate(180deg) scale(1.1);
    }
}

/* 円形矢印のスタイル */
.pdca-circular-arrow {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 1;
}

.pdca-item {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    width: 240px;
    text-align: center;
}

.pdca-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
    background: rgba(255, 255, 255, 1);
    z-index: 3;
}

/* 5つの要素を円形に配置 */

/* 課題分析: 真上（少し上げる） */
.pdca-analysis {
    left: 50%;
    top: -5%;
    transform: translateX(-50%);
}

/* ゴール設定: 右上（縦位置を下げる） */
.pdca-goal {
    right: 6%;
    top: 28%;
}

/* 戦略立案: 右下（中央寄りに） */
.pdca-strategy {
    right: 18%;
    bottom: -3%;
}

/* クリエイティブ制作: 左下（中央寄りに） */
.pdca-creative {
    left: 18%;
    bottom: -3%;
}

/* 効果測定: 左上（縦位置を下げる） */
.pdca-measurement {
    left: 6%;
    top: 28%;
}

.pdca-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.25rem;
    margin: 0 auto var(--spacing-sm);
}

.pdca-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
    text-align: center;
}

.pdca-description {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    line-height: 1.5;
    text-align: center;
}

.pdca-note {
    text-align: center;
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.pdca-note p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.8;
    margin: 0;
}

.results-note {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
}

.results-note p {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-gray-700);
    margin: 0;
}

/* ==========================================
   13.5 Clients Logo Section
   ========================================== */

.clients-section {
    overflow: hidden;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-xl);
    align-items: center;
    justify-items: center;
}

.client-logo-item {
    width: 100%;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

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

.client-logo {
    max-width: 100%;
    max-height: 120px;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: transform var(--transition-base);
}

.client-logo-item:hover .client-logo {
    transform: scale(1.05);
}

/* ==========================================
   13.6 Works Gallery Section
   ========================================== */

.works-gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.work-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    aspect-ratio: 4/3;
}

.work-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.work-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.work-item:hover .work-image {
    transform: scale(1.1);
}

.work-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.8) 100%);
    padding: var(--spacing-lg);
    transform: translateY(100%);
    transition: transform var(--transition-base);
}

.work-item:hover .work-overlay {
    transform: translateY(0);
}

.work-title {
    color: var(--color-white);
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 var(--spacing-xs) 0;
}

.work-description {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    font-weight: 400;
    margin: 0;
    line-height: 1.5;
}

/* ==========================================
   14. Service Section
   ========================================== */

.service-intro {
    margin-bottom: var(--spacing-3xl);
    text-align: center;
}

.service-intro-image {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.service-card {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    text-align: center;
}

.service-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-10px);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.service-card:hover .service-icon {
    background-color: var(--color-white);
    color: var(--color-primary);
}

.service-card:hover .service-title,
.service-card:hover .service-description {
    color: var(--color-white);
}

.service-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    font-size: 2rem;
    margin: 0 auto var(--spacing-md);
    transition: all var(--transition-base);
}

.service-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-900);
    transition: color var(--transition-base);
}

.service-description {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.7;
    transition: color var(--transition-base);
}

.service-flow-diagram {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.service-flow-image {
    width: 100%;
    max-width: 1200px;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-base);
}

.service-flow-image:hover {
    transform: scale(1.02);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.25);
}

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

.service-note p {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-white);
    line-height: 1.8;
    margin: 0;
}

/* ==========================================
   15. Download Section
   ========================================== */

.download-visual {
    margin-bottom: var(--spacing-3xl);
    text-align: center;
}

.download-visual-image {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.download-section {
    position: relative;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.85) 0%, rgba(59, 130, 246, 0.85) 100%), url('../img/download-bg.jpg') center/cover no-repeat;
}

.download-highlight {
    display: inline-block;
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    color: var(--color-white) !important;
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-size: 1.75rem;
    font-weight: 800;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    box-shadow: 0 4px 12px rgba(251, 191, 36, 0.4);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.download-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.download-intro {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--spacing-3xl);
    line-height: 1.8;
}

.download-tools {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.download-tool {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

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

.download-tool-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    font-size: 2.5rem;
    margin: 0 auto var(--spacing-md);
}

.download-tool-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-900);
}

.download-tool-description {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.7;
}

.download-benefit {
    margin-bottom: var(--spacing-xl);
}

.download-benefit p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.8;
    margin: 0;
}

.download-cta {
    margin-bottom: var(--spacing-lg);
}

.download-note {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.9);
}

/* ==========================================
   16. Contact Section
   ========================================== */

.contact-plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.contact-plan {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    text-align: center;
    border: 3px solid transparent;
}

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

.contact-plan-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    font-size: 2rem;
    margin: 0 auto var(--spacing-md);
}

.contact-plan-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-gray-900);
}

.contact-plan-duration {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.contact-plan-description {
    font-size: 1rem;
    color: var(--color-gray-600);
    line-height: 1.7;
}

.contact-note {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--color-gray-50);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
    margin-bottom: var(--spacing-3xl);
}

.contact-note p {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-gray-700);
    line-height: 1.8;
    margin: 0;
}

.contact-form-container {
    max-width: 800px;
    margin: 0 auto;
}

.contact-form {
    background-color: var(--color-white);
    padding: var(--spacing-3xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

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

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-xs);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-base);
}

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

.form-group textarea {
    resize: vertical;
}

.form-submit {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* ==========================================
   17. Footer
   ========================================== */

.footer {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: var(--color-white);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.footer-section {
    display: flex;
    flex-direction: column;
}

.footer-title {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.footer-subtitle {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer-description {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: color var(--transition-base);
    font-size: 0.9375rem;
}

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

.footer-contact {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
}

.footer-logo {
    max-height: 80px;
    width: auto;
    margin-bottom: var(--spacing-md);
    object-fit: contain;
    mix-blend-mode: lighten;
}

.footer-logo-img {
    height: 80px;
    width: auto;
    transition: transform var(--transition-base);
}

.footer-logo-img:hover {
    transform: scale(1.05);
}

.footer-tagline {
    font-size: 1rem;
    line-height: 1.7;
}



.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
    margin: 0;
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    margin: 0;
}

/* ==========================================
   18. Modal
   ========================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 2000;
    padding: var(--spacing-lg);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--color-white);
    padding: var(--spacing-3xl);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9);
    transition: transform var(--transition-base);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-gray-200);
    border-radius: 50%;
    font-size: 1.25rem;
    color: var(--color-gray-600);
    transition: all var(--transition-base);
}

.modal-close:hover {
    background-color: var(--color-gray-300);
    color: var(--color-gray-900);
}

.modal-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-900);
}

.modal-description {
    font-size: 1rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.modal-form {
    /* Form styles already defined */
}

.modal-success {
    text-align: center;
}

.modal-success-icon {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-success);
    border-radius: 50%;
    color: var(--color-white);
    font-size: 3rem;
    margin: 0 auto var(--spacing-xl);
}

/* ==========================================
   19. Responsive Design
   ========================================== */

@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .solution-steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: 100vh;
        padding: 100px 0 60px;
    }
    
    .nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .logo-img {
        height: 40px;
    }
    
    .hero-title {
        font-size: 2rem;
        margin-bottom: 1.5rem;
        line-height: 1.4;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
        margin-bottom: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-subtitle {
        font-size: 1.25rem;
    }
    
    .funnel-wrapper {
        padding: 0 var(--spacing-md);
    }
    
    .funnel-stages-container {
        max-width: 100%;
    }
    
    .funnel-visual-side {
        position: static;
        order: -1;
        margin-bottom: var(--spacing-lg);
    }
    
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .client-logo-item {
        height: 100px;
    }
    
    .works-gallery {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .problem-grid,
    .solution-steps,
    .results-grid,
    .service-grid,
    .contact-plans,
    .download-tools {
        grid-template-columns: 1fr;
    }
    
    .solution-steps::before {
        display: none;
    }
    
    .cause-timeline {
        padding-left: 0;
    }
    
    .cause-timeline::before {
        display: none;
    }
    
    .cause-timeline-marker {
        position: relative;
        left: 0;
        margin: 0 auto var(--spacing-md);
    }
    
    .pdca-cycle {
        height: auto;
        display: flex;
        flex-direction: column;
        gap: var(--spacing-lg);
        padding: var(--spacing-lg) 0;
    }
    
    .pdca-center {
        position: relative;
        left: auto;
        top: auto;
        transform: none;
        width: 180px;
        height: 180px;
        margin: 0 auto var(--spacing-xl);
    }
    
    .pdca-center-text {
        font-size: 1rem;
    }
    
    .pdca-item {
        position: relative;
        left: auto !important;
        right: auto !important;
        top: auto !important;
        bottom: auto !important;
        transform: none !important;
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .root-cause-item-header {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: var(--spacing-xl);
    }
    
    .modal-content {
        padding: var(--spacing-xl);
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-base: 14px;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .result-value {
        font-size: 4rem;
    }
    
    .result-unit {
        font-size: 2rem;
    }
}

/* ==========================================
   20. Print Styles
   ========================================== */

@media print {
    .header,
    .mobile-menu,
    .hero-scroll,
    .modal,
    .btn {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    .section {
        page-break-inside: avoid;
    }
}