/* ==================== CSS Variables ==================== */
:root {
    /* Colors */
    --primary-color: #1a5490;
    --primary-dark: #0f3a5f;
    --primary-light: #2a6bb0;
    --secondary-color: #ff8c42;
    --accent-color: #ffd23f;
    --success-color: #06d6a0;
    --danger-color: #e63946;
    --text-dark: #1a1a1a;
    --text-medium: #4a4a4a;
    --text-light: #757575;
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #2a2a2a;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    
    /* Typography */
    --font-primary: 'Noto Sans JP', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
}

/* ==================== Reset & Base Styles ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    word-wrap: break-word;
    overflow-wrap: break-word;
    -webkit-hyphens: auto;
    -moz-hyphens: auto;
    hyphens: auto;
}

*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
    width: 100%;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.7;
    background-color: var(--bg-white);
    overflow-x: hidden !important;
    width: 100%;
    max-width: 100vw;
    position: relative;
}

@media (max-width: 480px) {
    body {
        font-size: 14px;
    }
}

img,
video,
iframe,
embed,
object {
    max-width: 100%;
    height: auto;
    display: block;
}

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

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

ul, ol {
    list-style: none;
}

/* ==================== Container ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    width: 100%;
    overflow-x: hidden;
}

* {
    min-width: 0;
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
        max-width: 100%;
        width: 100%;
    }
}

/* ==================== Section Styles ==================== */
section {
    padding: var(--spacing-3xl) 0;
    position: relative;
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
}

@media (max-width: 768px) {
    section {
        padding: var(--spacing-2xl) 0;
    }
    
    .container {
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
        width: 100%;
    }
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
    word-break: keep-all;
    overflow-wrap: break-word;
    max-width: 100%;
}

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

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

@media (max-width: 768px) {
    .section-title {
        font-size: 1.75rem;
        line-height: 1.4;
    }
    
    .section-subtitle {
        font-size: 0.95rem;
        line-height: 1.7;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 1.4rem;
    }
    
    .section-subtitle {
        font-size: 0.85rem;
        line-height: 1.6;
    }
}

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
    text-align: center;
}

.btn i {
    font-size: 1.2em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--bg-white);
    box-shadow: var(--shadow-md);
}

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

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
}

@media (max-width: 768px) {
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.95rem;
        white-space: normal;
        text-align: center;
    }
    
    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .btn {
        padding: 0.65rem 1rem;
        font-size: 0.85rem;
    }
    
    .btn-large {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
}

/* ==================== Navigation ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-normal);
}

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

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

.logo a {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--primary-color);
    font-family: var(--font-secondary);
    letter-spacing: 2px;
}

.logo-subtitle {
    font-size: 0.7rem;
    color: var(--text-light);
    font-weight: 400;
    letter-spacing: 1px;
}

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

.nav-menu a {
    font-weight: 500;
    color: var(--text-dark);
    transition: var(--transition-fast);
}

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

.nav-menu .btn-nav-cta {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--bg-white);
    padding: 0.625rem 1.5rem;
    border-radius: var(--radius-full);
}

.nav-menu .btn-nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition-fast);
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: var(--bg-white);
        width: 100%;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transition: var(--transition-normal);
        align-items: flex-start;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .logo-text {
        font-size: 1.5rem;
    }
    
    .logo-subtitle {
        font-size: 0.6rem;
    }
}

/* ==================== Hero Section ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 84, 144, 0.05) 0%, rgba(42, 107, 176, 0.1) 100%);
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255, 140, 66, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

@media (max-width: 768px) {
    .hero-background::before {
        width: 400px;
        height: 400px;
        right: -30%;
    }
}

@media (max-width: 480px) {
    .hero-background::before {
        width: 250px;
        height: 250px;
        right: -40%;
    }
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-50px, 50px) rotate(180deg); }
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
    padding: 0 1rem;
}

@media (max-width: 480px) {
    .hero-content {
        padding: 0 0.5rem;
    }
}

.hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: var(--bg-white);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.hero-title {
    font-size: 3rem;
    font-weight: 900;
    line-height: 1.4;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
    word-break: keep-all;
    overflow-wrap: break-word;
}

.hero-title .highlight {
    color: var(--primary-color);
    position: relative;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-medium);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.9;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    min-width: 140px;
    flex: 1;
    max-width: 200px;
}

.stat-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary-color);
    display: inline-block;
    font-family: var(--font-secondary);
}

.stat-unit {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: inline-block;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-medium);
    margin-top: var(--spacing-xs);
    line-height: 1.5;
}

.stat-note {
    display: block;
    font-size: 0.7rem;
    color: var(--text-light);
    margin-top: 0.25rem;
    font-weight: 400;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--text-light);
    animation: bounce 2s infinite;
}

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid var(--text-light);
    border-radius: 20px;
    margin: 0 auto var(--spacing-xs);
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--text-light);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

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

@keyframes scroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(15px); }
}

@media (max-width: 992px) {
    .hero-title {
        font-size: 2.3rem;
        line-height: 1.4;
    }
    
    .hero-subtitle {
        font-size: 1.05rem;
        line-height: 1.8;
    }
    
    .hero-stats {
        gap: var(--spacing-sm);
    }
    
    .stat-item {
        min-width: 110px;
        flex: 1 1 auto;
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding: 120px 0 var(--spacing-3xl);
    }
    
    .hero-title {
        font-size: 1.65rem;
        line-height: 1.5;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        line-height: 1.8;
    }
    
    .hero-stats {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
        justify-content: center;
    }
    
    .stat-item {
        min-width: 140px;
        flex: 1 1 calc(50% - var(--spacing-sm));
        max-width: 180px;
    }
    
    .stat-note {
        font-size: 0.7rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .scroll-indicator {
        display: none;
    }
}

/* 小型スマホ用 */
@media (max-width: 480px) {
    .hero-title {
        font-size: 1.3rem;
        line-height: 1.6;
        padding: 0 0.5rem;
    }
    
    .hero-subtitle {
        font-size: 0.85rem;
        line-height: 1.7;
        padding: 0 0.5rem;
    }
    
    .hero-badge {
        font-size: 0.8rem;
        padding: 0.4rem 1.2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .stat-item {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        padding: var(--spacing-sm);
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-unit {
        font-size: 1.2rem;
    }
    
    .stat-icon {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 0.8rem;
        line-height: 1.4;
    }
    
    .stat-note {
        font-size: 0.65rem;
        margin-top: 0.2rem;
    }
}

/* ==================== Challenges Section ==================== */
.challenges {
    background: var(--bg-light);
}

.challenges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

@media (max-width: 480px) {
    .challenges-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .challenges-grid {
        grid-template-columns: 1fr;
    }
}

.challenge-card {
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    text-align: center;
}

@media (max-width: 480px) {
    .challenge-card {
        padding: var(--spacing-lg);
    }
}

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

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

.challenge-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.challenge-text {
    color: var(--text-medium);
    line-height: 1.6;
}

.challenges-cta {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-xl);
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

@media (max-width: 480px) {
    .challenges-cta {
        padding: var(--spacing-lg) var(--spacing-md);
    }
}

.challenges-cta-text {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

@media (max-width: 480px) {
    .challenges-cta-text {
        font-size: 1rem;
        line-height: 1.6;
    }
}

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

@media (max-width: 768px) {
    .challenges-grid {
        grid-template-columns: 1fr;
    }
}

/* ==================== Target Section ==================== */
.target-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.target-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(26, 84, 144, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

@media (max-width: 768px) {
    .target-section::before {
        width: 300px;
        height: 300px;
        right: -30%;
    }
}

.target-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.target-card {
    background: var(--bg-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    position: relative;
    transition: var(--transition-normal);
    border: 3px solid transparent;
}

.target-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.target-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--bg-white);
    font-size: 0.85rem;
    font-weight: 700;
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.5px;
}

.target-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.target-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
    word-break: keep-all;
    overflow-wrap: break-word;
}

.target-description {
    font-size: 1rem;
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.target-list {
    margin-bottom: var(--spacing-lg);
}

.target-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--text-medium);
    font-size: 0.95rem;
    line-height: 1.6;
}

.target-list i {
    color: var(--success-color);
    font-size: 1.1rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.target-example {
    background: linear-gradient(135deg, rgba(26, 84, 144, 0.05), rgba(42, 107, 176, 0.08));
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-color);
}

.target-example-title {
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.95rem;
}

.target-example-title i {
    color: var(--accent-color);
}

.target-example-text {
    color: var(--text-medium);
    font-size: 0.9rem;
    line-height: 1.6;
}

.target-cta {
    text-align: center;
    background: var(--bg-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.target-cta-text {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

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

@media (max-width: 992px) {
    .target-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .target-card {
        padding: var(--spacing-lg);
    }
    
    .target-icon {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }
    
    .target-title {
        font-size: 1.3rem;
    }
    
    .target-description {
        font-size: 0.95rem;
    }
    
    .target-cta {
        padding: var(--spacing-lg);
    }
    
    .target-cta-text {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .target-card {
        padding: var(--spacing-md);
    }
    
    .target-title {
        font-size: 1.15rem;
    }
    
    .target-description {
        font-size: 0.9rem;
    }
    
    .target-cta {
        padding: var(--spacing-md);
    }
    
    .target-cta-text {
        font-size: 0.95rem;
    }
}

/* ==================== About Section ==================== */
.about-main {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.about-image-placeholder {
    width: 100%;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 5rem;
    box-shadow: var(--shadow-lg);
}

.about-heading {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    word-break: keep-all;
    overflow-wrap: break-word;
}

.about-description {
    color: var(--text-medium);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

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

.about-features {
    margin-top: var(--spacing-xl);
}

.about-feature-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.feature-icon-wrap {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--success-color), #05b491);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 1.5rem;
}

.feature-text h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.feature-text p {
    color: var(--text-medium);
    font-size: 0.95rem;
}

.about-quote {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    padding: var(--spacing-2xl) var(--spacing-xl);
    border-radius: var(--radius-xl);
    color: var(--bg-white);
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-lg);
}

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

.quote-text {
    font-size: 1.2rem;
    line-height: 1.8;
    font-weight: 500;
}

.quote-text .text-primary {
    color: var(--accent-color);
    font-weight: 700;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    text-decoration: underline;
    text-decoration-color: var(--accent-color);
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
}

@media (max-width: 992px) {
    .about-main {
        grid-template-columns: 1fr;
    }
}

/* ==================== Company Intro Section ==================== */
.company-intro {
    background: var(--bg-white);
}

.company-content {
    max-width: 1100px;
    margin: 0 auto;
}

.company-main {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    align-items: center;
}

.company-logo-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.3);
    font-size: 6rem;
    box-shadow: var(--shadow-lg);
}

.company-heading {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    word-break: keep-all;
    overflow-wrap: break-word;
    line-height: 1.4;
}

.company-description {
    color: var(--text-medium);
    line-height: 1.9;
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.company-services {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-light);
    border-radius: var(--radius-lg);
}

.services-heading {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.services-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.service-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1rem;
    background: var(--bg-white);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-full);
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
}

.service-tag i {
    color: var(--success-color);
}

.company-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.highlight-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.highlight-item:hover {
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.highlight-item-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 1.8rem;
}

.highlight-item-content h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.highlight-item-content p {
    color: var(--text-medium);
    font-size: 0.9rem;
    line-height: 1.6;
}

.company-message {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-2xl);
    background: linear-gradient(135deg, rgba(26, 84, 144, 0.05), rgba(42, 107, 176, 0.1));
    border-radius: var(--radius-xl);
}

.company-message-text {
    font-size: 1.3rem;
    color: var(--text-dark);
    font-weight: 600;
    line-height: 1.8;
    font-style: italic;
}

.company-message-text i {
    color: var(--primary-color);
    opacity: 0.5;
    font-size: 1rem;
    margin: 0 var(--spacing-xs);
}

@media (max-width: 992px) {
    .company-main {
        grid-template-columns: 1fr;
    }
    
    .company-heading {
        font-size: 1.65rem;
        line-height: 1.4;
    }
    
    .company-description {
        font-size: 1.05rem;
        line-height: 1.8;
    }
}

@media (max-width: 768px) {
    .company-heading {
        font-size: 1.4rem;
        line-height: 1.5;
    }
    
    .company-description {
        font-size: 1rem;
        line-height: 1.8;
    }
    
    .company-highlights {
        grid-template-columns: 1fr;
    }
    
    .company-message-text {
        font-size: 1rem;
        line-height: 1.7;
    }
    
    .services-tags {
        gap: var(--spacing-xs);
    }
    
    .service-tag {
        font-size: 0.85rem;
    }
}

/* ==================== Vision Section ==================== */
.vision-section {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    position: relative;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

.vision-content {
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
    overflow-x: hidden;
}

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

.vision-text-large {
    font-size: 1.8rem;
    font-weight: 500;
    color: var(--text-dark);
    line-height: 1.8;
}

.vision-story {
    margin-bottom: var(--spacing-3xl);
}

.vision-block {
    background: var(--bg-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-2xl);
    box-shadow: var(--shadow-sm);
    width: 100%;
    max-width: 100%;
    overflow-wrap: break-word;
    word-break: keep-all;
}

.vision-block-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 3px solid var(--primary-color);
}

.vision-block-text {
    font-size: 1.1rem;
    color: var(--text-medium);
    line-height: 1.9;
    margin-bottom: var(--spacing-md);
    word-break: keep-all;
    overflow-wrap: break-word;
    max-width: 100%;
}

.vision-block-text:last-child {
    margin-bottom: 0;
}

.emphasis-text {
    font-size: 1.2rem;
    color: var(--text-dark);
    font-weight: 500;
}

.vision-quote-box {
    background: linear-gradient(135deg, rgba(230, 57, 70, 0.05), rgba(230, 57, 70, 0.1));
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--danger-color);
    margin: var(--spacing-lg) 0;
}

@media (max-width: 480px) {
    .vision-quote-box {
        padding: var(--spacing-md);
    }
}

.vision-quote {
    font-size: 1.15rem;
    color: var(--text-dark);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    font-style: italic;
}

@media (max-width: 480px) {
    .vision-quote {
        font-size: 1rem;
    }
}

.vision-quote:last-child {
    margin-bottom: 0;
}

.highlight-block {
    background: linear-gradient(135deg, rgba(26, 84, 144, 0.02), rgba(42, 107, 176, 0.05));
    border: 2px solid var(--primary-color);
}

.vision-misconception-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

@media (max-width: 992px) {
    .vision-misconception-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
}

.misconception-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-white);
    border-radius: var(--radius-md);
    border: 2px solid var(--danger-color);
    width: 100%;
    max-width: 100%;
}

.misconception-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.misconception-item p {
    font-size: 0.95rem;
    color: var(--text-dark);
    font-weight: 500;
    line-height: 1.5;
    margin: 0;
}

.vision-truth-box {
    background: linear-gradient(135deg, rgba(6, 214, 160, 0.05), rgba(6, 214, 160, 0.1));
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--success-color);
    margin: var(--spacing-lg) 0;
}

@media (max-width: 480px) {
    .vision-truth-box {
        padding: var(--spacing-md);
    }
}

.truth-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--success-color);
    margin-bottom: var(--spacing-md);
}

@media (max-width: 480px) {
    .truth-title {
        font-size: 1.05rem;
    }
}

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

.truth-list li {
    font-size: 1.05rem;
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-lg);
    position: relative;
}

@media (max-width: 480px) {
    .truth-list li {
        font-size: 0.95rem;
    }
}

.truth-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: 700;
    font-size: 1.2rem;
}

.solution-block {
    background: linear-gradient(135deg, rgba(26, 84, 144, 0.05), rgba(42, 107, 176, 0.08));
    border: 3px solid var(--primary-color);
}

.vision-benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.vision-benefit-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    width: 100%;
    max-width: 100%;
}

.vision-benefit-item i {
    color: var(--success-color);
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.vision-benefit-item p {
    font-size: 1rem;
    color: var(--text-dark);
    font-weight: 500;
    line-height: 1.6;
    margin: 0;
}

.vision-message {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    padding: var(--spacing-3xl) var(--spacing-2xl);
    border-radius: var(--radius-xl);
    text-align: center;
    color: var(--bg-white);
    box-shadow: var(--shadow-xl);
    margin-bottom: var(--spacing-2xl);
    width: 100%;
    max-width: 100%;
    overflow-wrap: break-word;
    word-break: keep-all;
}

.vision-message-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--bg-white);
}

.vision-message-text {
    font-size: 1.2rem;
    line-height: 1.9;
    margin-bottom: var(--spacing-md);
}

.vision-message-text:last-of-type {
    margin-bottom: 0;
}

.vision-message .text-primary {
    color: var(--accent-color);
    font-weight: 700;
}

.vision-footer {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 100%;
    overflow-wrap: break-word;
}

.vision-footer-text {
    font-size: 1.1rem;
    color: var(--text-dark);
    line-height: 1.8;
    margin: 0;
}

.vision-footer-text strong {
    color: var(--primary-color);
    font-size: 1.3rem;
}

@media (max-width: 480px) {
    .vision-footer {
        padding: var(--spacing-md);
    }
    
    .vision-footer-text {
        font-size: 1rem;
    }
    
    .vision-footer-text strong {
        font-size: 1.15rem;
    }
}

@media (max-width: 768px) {
    .vision-text-large {
        font-size: 1.4rem;
    }
    
    .vision-block {
        padding: var(--spacing-lg);
    }
    
    .vision-block-title {
        font-size: 1.3rem;
    }
    
    .vision-block-text {
        font-size: 1rem;
    }
    
    .vision-benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .vision-message {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }
    
    .vision-message-title {
        font-size: 1.5rem;
    }
    
    .vision-message-text {
        font-size: 1.05rem;
    }
}

@media (max-width: 480px) {
    .vision-text-large {
        font-size: 1.2rem;
    }
    
    .vision-block {
        padding: var(--spacing-md);
    }
    
    .vision-block-title {
        font-size: 1.15rem;
    }
    
    .vision-block-text {
        font-size: 0.95rem;
    }
    
    .emphasis-text {
        font-size: 1.05rem;
    }
    
    .vision-message {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .vision-message-title {
        font-size: 1.3rem;
    }
    
    .vision-message-text {
        font-size: 1rem;
    }
}

/* ==================== Customer Voice Section ==================== */
.customer-voice {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.customer-voice::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(26, 84, 144, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.voice-content {
    max-width: 1000px;
    margin: 0 auto;
}

.voice-main-card {
    background: var(--bg-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-2xl);
    position: relative;
}

.voice-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: linear-gradient(135deg, #1a5490, #2a6bb0);
    color: var(--bg-white);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.voice-badge i {
    color: #ffd23f;
}

.voice-quote-large {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: linear-gradient(135deg, rgba(26, 84, 144, 0.03), rgba(42, 107, 176, 0.05));
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-2xl);
    position: relative;
}

.voice-quote-large i {
    font-size: 2rem;
    color: var(--primary-color);
    opacity: 0.3;
}

.voice-quote-large .fa-quote-left {
    display: block;
    margin-bottom: var(--spacing-md);
}

.voice-quote-large .fa-quote-right {
    display: block;
    margin-top: var(--spacing-md);
}

.voice-text-large {
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--text-dark);
    line-height: 1.9;
    margin: 0;
}

.voice-benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.voice-benefit-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.voice-benefit-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.voice-benefit-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--success-color), #05b491);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 1.5rem;
}

.voice-benefit-content h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.voice-benefit-content p {
    font-size: 0.95rem;
    color: var(--text-medium);
    line-height: 1.6;
}

.voice-message-box {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    color: var(--bg-white);
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.voice-message-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.voice-message-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.voice-message-text {
    font-size: 1.1rem;
    line-height: 1.9;
    margin: 0;
}

.voice-message-text .text-primary {
    color: var(--accent-color);
    font-weight: 700;
}

@media (max-width: 768px) {
    .voice-benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .voice-main-card {
        padding: var(--spacing-lg);
    }
    
    .voice-text-large {
        font-size: 1.1rem;
        line-height: 1.8;
    }
    
    .voice-message-title {
        font-size: 1.3rem;
        line-height: 1.5;
    }
    
    .voice-message-text {
        font-size: 0.95rem;
        line-height: 1.8;
    }
    
    .voice-message-box {
        padding: var(--spacing-lg);
    }
    
    .voice-benefit-item {
        padding: var(--spacing-md);
    }
    
    .voice-quote-large {
        padding: var(--spacing-lg) var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .voice-text-large {
        font-size: 1rem;
        line-height: 1.7;
    }
    
    .voice-message-title {
        font-size: 1.15rem;
        line-height: 1.5;
    }
    
    .voice-message-text {
        font-size: 0.9rem;
        line-height: 1.7;
    }
    
    .voice-main-card {
        padding: var(--spacing-md);
    }
    
    .voice-message-box {
        padding: var(--spacing-md);
    }
    
    .voice-quote-large {
        padding: var(--spacing-md);
    }
}

/* ==================== Why Support Section ==================== */
.why-support {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    position: relative;
}

.why-content {
    max-width: 1000px;
    margin: 0 auto;
}

.why-story {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, rgba(26, 84, 144, 0.05), rgba(42, 107, 176, 0.08));
    border-radius: var(--radius-xl);
    border-left: 5px solid var(--primary-color);
}

.why-heading {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
    line-height: 1.4;
}

.why-text {
    font-size: 1.1rem;
    color: var(--text-medium);
    line-height: 1.9;
    margin-bottom: var(--spacing-md);
}

.why-text:last-child {
    margin-bottom: 0;
}

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

.why-reason-card {
    background: var(--bg-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border-top: 4px solid var(--primary-color);
}

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

.why-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.why-reason-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.why-reason-text {
    font-size: 1rem;
    color: var(--text-medium);
    line-height: 1.8;
}

.why-future {
    background: var(--bg-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-3xl);
}

.why-future-title {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xl);
}

.why-future-content {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.why-future-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--bg-light);
    border-radius: var(--radius-lg);
}

.future-label {
    display: inline-block;
    background: var(--primary-color);
    color: var(--bg-white);
    font-size: 0.9rem;
    font-weight: 700;
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
}

.future-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.6;
}

.why-arrow {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.why-message {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-2xl);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    position: relative;
}

.why-message .quote-icon {
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.3);
    display: block;
    margin-bottom: var(--spacing-md);
}

.why-message .quote-icon:last-of-type {
    margin-top: var(--spacing-md);
    margin-bottom: 0;
}

.why-message-text {
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--bg-white);
    line-height: 1.9;
}

@media (max-width: 992px) {
    .why-reasons {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .why-heading {
        font-size: 1.5rem;
    }
    
    .why-text {
        font-size: 1rem;
    }
    
    .why-future-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .why-arrow {
        transform: rotate(90deg);
        font-size: 2rem;
    }
    
    .why-message-text {
        font-size: 1.1rem;
    }
    
    .why-story {
        padding: var(--spacing-lg);
    }
    
    .why-reason-card {
        padding: var(--spacing-lg);
    }
}

/* ==================== Benefits Section ==================== */
.benefits {
    background: var(--bg-light);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-lg);
}

@media (max-width: 768px) {
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}

.benefit-card {
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    transition: var(--transition-normal);
}

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

.benefit-number {
    position: absolute;
    top: -20px;
    right: var(--spacing-md);
    font-size: 5rem;
    font-weight: 900;
    color: rgba(26, 84, 144, 0.05);
    font-family: var(--font-secondary);
}

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

.benefit-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    word-break: keep-all;
    overflow-wrap: break-word;
}

.benefit-description {
    color: var(--text-medium);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.benefit-list {
    margin-top: var(--spacing-md);
}

.benefit-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-medium);
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
}

.benefit-list i {
    color: var(--success-color);
    font-size: 1rem;
}

@media (max-width: 768px) {
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}

/* ==================== Chemical Section ==================== */
.chemical-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
}

.chemical-intro-text {
    font-size: 1.1rem;
    color: var(--text-medium);
    line-height: 1.8;
}

.chemical-content-simple {
    max-width: 1000px;
    margin: 0 auto;
}

.chemical-main-message {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, rgba(26, 84, 144, 0.05), rgba(42, 107, 176, 0.1));
    border-radius: var(--radius-xl);
}

.chemical-icon-large {
    font-size: 5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.chemical-heading {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    word-break: keep-all;
    overflow-wrap: break-word;
}

.chemical-description {
    font-size: 1.1rem;
    color: var(--text-medium);
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

.chemical-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

@media (max-width: 768px) {
    .chemical-features-grid {
        grid-template-columns: 1fr;
    }
}

.chemical-feature-box {
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition-normal);
}

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

.feature-box-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 2rem;
}

.feature-box-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.feature-box-text {
    color: var(--text-medium);
    line-height: 1.6;
    font-size: 0.95rem;
}

.chemical-cta {
    text-align: center;
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(26, 84, 144, 0.05), rgba(42, 107, 176, 0.1));
    border-radius: var(--radius-lg);
}

.chemical-cta-text {
    font-size: 1.2rem;
    color: var(--text-dark);
    font-weight: 600;
}

@media (max-width: 768px) {
    .chemical-heading {
        font-size: 1.5rem;
    }
    
    .chemical-description {
        font-size: 1rem;
    }
    
    .chemical-features-grid {
        grid-template-columns: 1fr;
    }
}

/* ==================== Flow Section ==================== */
.flow-steps {
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
}

.flow-step {
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
}

.flow-step-number {
    display: inline-block;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: var(--bg-white);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
}

.flow-step-content {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.flow-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 2rem;
    box-shadow: var(--shadow-md);
}

.flow-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    word-break: keep-all;
    overflow-wrap: break-word;
}

.flow-description {
    color: var(--text-medium);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.flow-list {
    padding-left: var(--spacing-md);
}

.flow-list li {
    color: var(--text-medium);
    margin-bottom: var(--spacing-xs);
    position: relative;
    padding-left: var(--spacing-md);
}

.flow-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

.flow-arrow {
    text-align: center;
    padding: var(--spacing-md) 0;
    color: var(--primary-color);
    font-size: 2rem;
}

.flow-cta {
    text-align: center;
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, rgba(26, 84, 144, 0.05), rgba(42, 107, 176, 0.1));
    border-radius: var(--radius-xl);
}

.flow-cta-text {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

@media (max-width: 768px) {
    .flow-step-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .flow-icon {
        margin: 0 auto;
    }
    
    .flow-list {
        padding-left: 0;
        text-align: left;
    }
}

/* ==================== Reasons Section ==================== */
.reasons {
    background: var(--bg-white);
}

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

.reason-card {
    padding: var(--spacing-xl);
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-normal);
}

.reason-card:hover {
    background: var(--bg-white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.reason-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 2.5rem;
}

.reason-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    word-break: keep-all;
    overflow-wrap: break-word;
}

.reason-text {
    color: var(--text-medium);
    line-height: 1.7;
}

@media (max-width: 768px) {
    .reasons-grid {
        grid-template-columns: 1fr;
    }
}

/* ==================== FAQ Section ==================== */
.faq {
    background: var(--bg-light);
}

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

.faq-item {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    text-align: left;
    background: var(--bg-white);
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
}

.faq-question:hover {
    background: rgba(26, 84, 144, 0.05);
}

.faq-q-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.faq-q-text {
    flex: 1;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
}

.faq-toggle {
    flex-shrink: 0;
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: var(--transition-fast);
}

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

.faq-answer {
    display: none;
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.faq-item.active .faq-answer {
    display: flex;
    gap: var(--spacing-md);
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.faq-a-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: var(--secondary-color);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.faq-a-text {
    flex: 1;
    color: var(--text-medium);
    line-height: 1.8;
}

/* ==================== Contact Section ==================== */
.contact {
    background: var(--bg-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.contact-info-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.contact-info-text {
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.contact-methods {
    margin-bottom: var(--spacing-xl);
}

.contact-method {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
}

.method-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 1.5rem;
}

.method-title {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-xs);
}

.method-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.method-value a {
    color: var(--primary-color);
}

.method-value a:hover {
    text-decoration: underline;
}

.method-note {
    font-size: 0.85rem;
    color: var(--text-light);
}

.contact-company {
    padding: var(--spacing-lg);
    background: var(--bg-light);
    border-radius: var(--radius-lg);
}

.company-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.company-address,
.company-fax {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    color: var(--text-medium);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.company-address i,
.company-fax i {
    color: var(--primary-color);
    margin-top: 0.25rem;
}

.contact-form-wrapper {
    background: var(--bg-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
}

.form-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.form-row {
    margin-bottom: var(--spacing-md);
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

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

.required {
    color: var(--danger-color);
    font-size: 0.85rem;
    margin-left: var(--spacing-xs);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    max-width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-fast);
    box-sizing: border-box;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 84, 144, 0.1);
}

.form-input.valid {
    border-color: var(--success-color);
}

.form-input.invalid {
    border-color: var(--danger-color);
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-sm);
}

@media (max-width: 768px) {
    .checkbox-group {
        grid-template-columns: 1fr;
    }
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

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

@media (max-width: 992px) {
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .form-row-2 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .contact-form-wrapper {
        padding: var(--spacing-md);
    }
    
    .form-title {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .contact-form-wrapper {
        padding: var(--spacing-sm);
    }
    
    .form-title {
        font-size: 1.1rem;
    }
    
    .form-input,
    .form-select,
    .form-textarea {
        font-size: 0.9rem;
        padding: 0.65rem;
    }
    
    .form-label {
        font-size: 0.9rem;
    }
}

/* ==================== Footer ==================== */
.footer {
    background: var(--bg-dark);
    color: var(--bg-light);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

.footer-title {
    font-size: 2rem;
    font-weight: 900;
    color: var(--bg-white);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-secondary);
}

.footer-text {
    color: var(--bg-light);
    line-height: 1.6;
    font-size: 0.9rem;
}

.footer-heading {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--bg-white);
    margin-bottom: var(--spacing-md);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-links a {
    color: var(--bg-light);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--secondary-color);
    padding-left: var(--spacing-xs);
}

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

.footer-contact li {
    display: flex;
    gap: var(--spacing-sm);
    color: var(--bg-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-contact i {
    color: var(--secondary-color);
    margin-top: 0.25rem;
}

.footer-contact a {
    color: var(--bg-light);
}

.footer-contact a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    font-size: 0.9rem;
}

/* ==================== Scroll Top Button ==================== */
.scroll-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 999;
}

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

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

@media (max-width: 768px) {
    .scroll-top {
        width: 45px;
        height: 45px;
        bottom: var(--spacing-md);
        right: var(--spacing-md);
    }
}

/* ==================== Utility Classes ==================== */
.text-center {
    text-align: center;
}

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

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

/* レスポンシブ改行 */
.br-mobile {
    display: none;
}

@media (max-width: 768px) {
    .br-mobile {
        display: inline;
    }
}

@media (min-width: 769px) {
    .br-desktop {
        display: inline;
    }
}

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.hidden {
    display: none !important;
}

/* ==================== Animations ==================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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