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

:root {
    /* Color Palette - 売れるブランド設計 */
    --primary-color: #1a4d8f;
    --primary-dark: #0f3460;
    --primary-light: #2563a8;
    --secondary-color: #e94560;
    --accent-color: #f39c12;
    --gold-accent: #d4af37;
    --text-dark: #2c3e50;
    --text-light: #6c757d;
    --text-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --bg-gradient: linear-gradient(135deg, #0f3460 0%, #1a4d8f 100%);
    --border-color: #e0e0e0;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 20px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.2);
    
    /* Typography */
    --font-main: 'Noto Sans JP', sans-serif;
    --font-accent: 'Montserrat', sans-serif;
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-max-width: 1200px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    line-height: 1.8;
    overflow-x: hidden;
    background-color: var(--bg-white);
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

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

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

ul {
    list-style: none;
}

/* ============================================
   Header & Navigation
   ============================================ */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: var(--transition-normal);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

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

.logo-image {
    height: 50px;
    width: auto;
    display: block;
}

.nav-menu {
    display: flex;
    gap: 36px;
    align-items: center;
}

.nav-menu li a {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
    padding: 8px 0;
    position: relative;
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: var(--transition-normal);
}

.nav-menu li a:hover::after,
.nav-menu li a.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 10px;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition-normal);
}

/* ============================================
   Hero Section - 売上装置
   ============================================ */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-gradient);
    margin-top: 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(233, 69, 96, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(243, 156, 18, 0.15) 0%, transparent 50%);
    animation: gradientShift 20s ease infinite;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.25);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--text-white);
    animation: fadeInUp 1s ease;
    max-width: 900px;
    margin: 0 auto;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-label {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 20px;
    opacity: 0.9;
}

.hero-title {
    font-size: 56px;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 24px;
    text-shadow: 2px 2px 12px rgba(0, 0, 0, 0.4);
}

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

.hero-subtitle {
    font-size: 20px;
    font-weight: 400;
    margin-bottom: 40px;
    opacity: 0.95;
    line-height: 1.6;
}

.hero-cta {
    margin-top: 40px;
}

.hero-description {
    font-size: 18px;
    margin-bottom: 30px;
    font-weight: 500;
}

.btn-hero {
    font-size: 18px;
    padding: 18px 48px;
    background: var(--secondary-color);
    color: var(--text-white);
    border-radius: 50px;
    font-weight: 700;
    border: 3px solid var(--secondary-color);
    transition: var(--transition-normal);
    display: inline-block;
}

.btn-hero:hover {
    background: transparent;
    border-color: var(--text-white);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(233, 69, 96, 0.4);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--text-white);
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    display: block;
    font-size: 12px;
    letter-spacing: 2px;
    margin-bottom: 10px;
    opacity: 0.8;
}

.scroll-line {
    width: 2px;
    height: 30px;
    background: var(--text-white);
    margin: 0 auto;
    opacity: 0.6;
}

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

/* ============================================
   Section Common Styles
   ============================================ */
section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
}

.section-label {
    font-family: var(--font-accent);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--secondary-color);
    margin-bottom: 16px;
}

.section-title {
    font-size: 48px;
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.3;
}

.section-title .subtitle-small {
    font-size: 28px;
    font-weight: 600;
    display: block;
    color: var(--text-light);
    margin-top: 10px;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    margin: 0 auto 24px;
    border-radius: 2px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

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

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

.lead-text {
    font-size: 24px;
    line-height: 1.8;
    font-weight: 500;
    margin-bottom: 30px;
    color: var(--text-dark);
}

.lead-text strong {
    color: var(--secondary-color);
    font-weight: 700;
}

.concept-pillars {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-top: 50px;
}

.pillar-item {
    background: var(--bg-light);
    padding: 36px 28px;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.pillar-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
}

.pillar-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;
    margin: 0 auto 24px;
}

.pillar-icon i {
    font-size: 36px;
    color: var(--text-white);
}

.pillar-item h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.pillar-item p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
}

.concept-message {
    text-align: center;
    margin-top: 60px;
}

.message-text {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
}

/* ============================================
   Strengths Section - 4つの強み
   ============================================ */
.strengths {
    background: var(--bg-light);
}

.strengths-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.strength-card {
    background: var(--bg-white);
    padding: 40px 32px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    position: relative;
    border: 3px solid transparent;
}

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

.strength-card.featured {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: var(--text-white);
    border-color: var(--gold-accent);
}

.strength-card.featured h3,
.strength-card.featured p,
.strength-card.featured .strength-motto,
.strength-card.featured .strength-result {
    color: var(--text-white);
}

.strength-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--gold-accent);
    color: var(--text-white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
}

.strength-number {
    font-family: var(--font-accent);
    font-size: 56px;
    font-weight: 900;
    color: var(--accent-color);
    line-height: 1;
    margin-bottom: 20px;
}

.strength-card.featured .strength-number {
    color: var(--gold-accent);
}

.strength-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.strength-card.featured .strength-icon {
    background: rgba(255, 255, 255, 0.2);
}

.strength-icon i {
    font-size: 32px;
    color: var(--text-white);
}

.strength-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.4;
}

.strength-card p {
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.strength-points {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin: 20px 0;
}

.strength-points li {
    padding: 8px 12px;
    background: var(--bg-light);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
}

.strength-motto {
    font-size: 16px;
    font-weight: 700;
    font-style: italic;
    color: var(--primary-color);
    margin-top: 20px;
    padding-top: 20px;
    border-top: 2px solid var(--border-color);
}

.strength-card.featured .strength-motto {
    border-top-color: rgba(255, 255, 255, 0.2);
}

.emotion-flow {
    margin: 24px 0;
}

.flow-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 16px 20px;
    border-radius: 12px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.flow-item i {
    font-size: 20px;
    color: var(--gold-accent);
}

.flow-item span {
    font-size: 15px;
    line-height: 1.6;
}

.flow-arrow {
    text-align: center;
    font-size: 24px;
    color: var(--gold-accent);
    margin: 8px 0;
}

.strength-result {
    margin-top: 20px;
    font-size: 16px;
    line-height: 1.7;
}

.strength-result strong {
    color: var(--gold-accent);
    font-size: 18px;
}

.funnel-flow {
    margin: 24px 0;
}

.funnel-step {
    background: var(--bg-light);
    padding: 14px 20px;
    margin-bottom: 8px;
    border-radius: 8px;
    font-weight: 700;
    color: var(--primary-color);
    font-size: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.funnel-step span {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-light);
}

.funnel-step.highlight {
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    color: var(--text-white);
}

.funnel-step.highlight span {
    color: var(--text-white);
    opacity: 0.9;
}

.strength-services {
    list-style: none;
    margin: 20px 0;
}

.strength-services li {
    padding: 10px 0;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.strength-services i {
    color: var(--secondary-color);
    font-size: 18px;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.service-card {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 36px 28px;
    transition: var(--transition-normal);
}

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

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.service-icon i {
    font-size: 32px;
    color: var(--text-white);
}

.service-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
}

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

.service-list li {
    padding: 10px 0;
    padding-left: 24px;
    position: relative;
    color: var(--text-dark);
    font-size: 15px;
}

.service-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: 700;
}

/* ============================================
   Method Section - 6つの必勝構成
   ============================================ */
.method {
    background: var(--bg-white);
}

.method-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.method-card {
    background: var(--bg-white);
    border: 3px solid var(--border-color);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
}

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

.method-number {
    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;
    margin: 0 auto 20px;
}

.method-number span {
    font-family: var(--font-accent);
    font-size: 24px;
    font-weight: 900;
    color: var(--text-white);
}

.method-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
    line-height: 1.4;
}

.method-card h3 small {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-light);
    margin-top: 6px;
}

.method-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

/* ============================================
   Value Section - 提供価値
   ============================================ */
.value {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: var(--text-white);
}

.value .section-label {
    color: var(--gold-accent);
}

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

.value-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.value-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 36px 28px;
    text-align: center;
    transition: var(--transition-normal);
}

.value-card:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--gold-accent);
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.value-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.value-icon i {
    font-size: 32px;
    color: var(--text-white);
}

.value-card h3 {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.5;
}

.mission-statement {
    text-align: center;
    margin-top: 70px;
    padding: 50px 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.mission-text {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.6;
}

.mission-highlight {
    color: var(--gold-accent);
    font-size: 36px;
    display: inline-block;
    margin: 10px 0;
}

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

.profile-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: start;
    max-width: 1100px;
    margin: 0 auto;
}

.profile-image-wrapper {
    position: relative;
}

.profile-image {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
}



.profile-name {
    font-size: 36px;
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.profile-romaji {
    font-family: var(--font-accent);
    font-size: 18px;
    font-weight: 600;
    color: var(--text-light);
    margin-left: 16px;
}

.profile-title {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 28px;
    line-height: 1.6;
    font-weight: 500;
}

.profile-description p {
    margin-bottom: 20px;
    line-height: 1.9;
    font-size: 16px;
}

.profile-description strong {
    color: var(--secondary-color);
    font-weight: 700;
}

.profile-expertise,
.profile-activities {
    margin-top: 32px;
}

.profile-expertise h4,
.profile-activities h4 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.expertise-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    background: var(--primary-color);
    color: var(--text-white);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.profile-activities ul {
    list-style: none;
}

.profile-activities li {
    padding: 10px 0;
    padding-left: 28px;
    position: relative;
    font-size: 16px;
}

.profile-activities li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: 700;
    font-size: 18px;
}

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

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

.gallery-intro {
    text-align: center;
    margin-bottom: 40px;
}

.gallery-intro p {
    font-size: 18px;
    line-height: 1.9;
    color: var(--text-dark);
}

.photography-credentials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 40px;
    text-align: left;
}

.credential-item {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: 24px;
    border-radius: 12px;
    border-left: 4px solid var(--gold-accent);
    display: flex;
    gap: 16px;
    align-items: start;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.credential-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.credential-item i {
    font-size: 28px;
    color: var(--gold-accent);
    flex-shrink: 0;
    margin-top: 4px;
}

.credential-item h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.credential-item p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-light);
    margin: 0;
}

.gallery-slide-wrapper {
    margin-bottom: 50px;
}

.slide-container {
    background: var(--bg-white);
    padding: 20px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.slide-container iframe {
    border-radius: 8px;
}

.gallery-note {
    text-align: center;
    margin-top: 16px;
    font-size: 14px;
    color: var(--text-light);
}

.gallery-philosophy {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.gallery-philosophy h3 {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.gallery-philosophy h3 i {
    color: var(--secondary-color);
    font-size: 28px;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.philosophy-item {
    text-align: center;
    padding: 24px 16px;
}

.philosophy-item h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.philosophy-item p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

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

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

.blog-intro {
    margin-bottom: 50px;
}

.blog-platform {
    display: flex;
    gap: 24px;
    align-items: center;
    background: var(--bg-light);
    padding: 32px;
    border-radius: 16px;
}

.note-icon {
    width: 80px;
    height: 80px;
    border-radius: 16px;
    flex-shrink: 0;
}

.blog-info h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.blog-info p {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.7;
}

.btn-note {
    background: #00a472;
    color: var(--text-white);
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-normal);
}

.btn-note:hover {
    background: #008c5f;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.note-articles {
    margin-bottom: 50px;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.article-card {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition-normal);
    cursor: pointer;
}

.article-card:hover {
    border-color: #00a472;
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.article-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    background: var(--bg-light);
}

.article-content {
    padding: 20px;
}

.article-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-excerpt {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-date {
    font-size: 13px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 6px;
}

.no-articles {
    text-align: center;
    padding: 60px 20px;
    background: var(--bg-light);
    border-radius: 16px;
}

.no-articles-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.no-articles-icon i {
    font-size: 48px;
    color: var(--text-white);
}

.no-articles h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.no-articles p {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 28px;
    line-height: 1.8;
}

.blog-topics {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 16px;
}

.blog-topics h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.blog-topics h3 i {
    color: var(--accent-color);
    font-size: 26px;
}

.topics-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.topic-tag {
    background: var(--bg-white);
    padding: 10px 18px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-normal);
}

.topic-tag:hover {
    background: var(--primary-color);
    color: var(--text-white);
}

.topic-tag i {
    color: var(--secondary-color);
    font-size: 12px;
}

.topic-tag:hover i {
    color: var(--text-white);
}

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

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

.lecture-hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: var(--text-white);
    padding: 50px 40px;
    border-radius: 20px;
    margin-bottom: 60px;
    text-align: center;
}

.lecture-hero-text h3 {
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.4;
}

.lecture-hero-text p {
    font-size: 18px;
    line-height: 1.8;
    opacity: 0.95;
}

.lecture-topics {
    margin-bottom: 60px;
}

.lecture-topics-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.lecture-topics-title i {
    color: var(--secondary-color);
    font-size: 32px;
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.topic-card {
    background: var(--bg-light);
    padding: 32px 24px;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.topic-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
}

.topic-icon {
    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;
    margin: 0 auto 20px;
}

.topic-icon i {
    font-size: 26px;
    color: var(--text-white);
}

.topic-card h4 {
    font-size: 19px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.topic-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

.lecture-benefits {
    margin-bottom: 60px;
}

.lecture-benefits-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.lecture-benefits-title i {
    color: var(--accent-color);
    font-size: 32px;
}

.benefits-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.benefit-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    background: var(--bg-white);
    padding: 24px;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    transition: var(--transition-normal);
}

.benefit-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.benefit-icon {
    flex-shrink: 0;
}

.benefit-icon i {
    font-size: 28px;
    color: var(--secondary-color);
}

.benefit-text h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.benefit-text p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

.lecture-cta {
    margin-bottom: 60px;
}

.cta-box {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--accent-color) 100%);
    border-radius: 20px;
    padding: 50px 40px;
    text-align: center;
    color: var(--text-white);
    box-shadow: var(--shadow-xl);
}

.cta-content h3 {
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.cta-content > p {
    font-size: 18px;
    margin-bottom: 32px;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.btn-lecture-primary {
    background: var(--text-white);
    color: var(--secondary-color);
    padding: 16px 36px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 17px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition-normal);
    border: 3px solid var(--text-white);
}

.btn-lecture-primary:hover {
    background: transparent;
    color: var(--text-white);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.btn-lecture-secondary {
    background: transparent;
    color: var(--text-white);
    padding: 16px 36px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 17px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 3px solid var(--text-white);
    transition: var(--transition-normal);
}

.btn-lecture-secondary:hover {
    background: var(--text-white);
    color: var(--secondary-color);
    transform: translateY(-3px);
}

.cta-note {
    font-size: 14px;
    opacity: 0.85;
    margin-top: 16px;
}

.lecture-target {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 16px;
}

.lecture-target-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 24px;
    text-align: center;
}

.target-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.target-item {
    padding: 14px 20px;
    background: var(--bg-white);
    border-radius: 8px;
    font-size: 15px;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition-normal);
}

.target-item:hover {
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
}

.target-item i {
    color: var(--secondary-color);
    font-size: 14px;
    flex-shrink: 0;
}

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

.company-info {
    max-width: 900px;
    margin: 0 auto;
}

.company-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    border-radius: 12px;
    overflow: hidden;
}

.company-table tr {
    border-bottom: 1px solid var(--border-color);
}

.company-table tr:last-child {
    border-bottom: none;
}

.company-table th,
.company-table td {
    padding: 24px 32px;
    text-align: left;
}

.company-table th {
    background: var(--bg-light);
    color: var(--primary-color);
    font-weight: 700;
    font-size: 16px;
    width: 200px;
}

.company-table td {
    color: var(--text-dark);
    font-size: 15px;
    line-height: 1.9;
}

.company-table td a {
    color: var(--primary-color);
    font-weight: 600;
}

.company-table td a:hover {
    color: var(--secondary-color);
}

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

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    max-width: 1100px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

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

.contact-icon i {
    font-size: 24px;
    color: var(--text-white);
}

.contact-details h4 {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 8px;
    font-weight: 700;
}

.contact-details p {
    font-size: 15px;
    color: var(--text-dark);
    line-height: 1.8;
}

.contact-details a {
    color: var(--primary-color);
    font-weight: 600;
}

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

.contact-cta-box {
    background: var(--bg-white);
    padding: 28px 24px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    margin-top: 20px;
}

.contact-cta-box h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.contact-cta-box ul {
    list-style: none;
}

.contact-cta-box li {
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
}

.contact-cta-box i {
    color: var(--secondary-color);
    font-size: 16px;
}

.contact-form-wrapper {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.contact-form .form-group {
    margin-bottom: 24px;
}

.contact-form label {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.contact-form .required {
    color: var(--secondary-color);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 15px;
    font-family: var(--font-main);
    transition: var(--transition-normal);
    background: var(--bg-white);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 77, 143, 0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

.btn {
    display: inline-block;
    padding: 14px 36px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

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

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

.btn-large {
    padding: 16px 48px;
    font-size: 18px;
    width: 100%;
    margin-top: 8px;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--text-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo-image {
    height: 60px;
    width: auto;
    margin-bottom: 16px;
    display: block;
}

.footer-description {
    font-size: 14px;
    line-height: 1.8;
    opacity: 0.8;
}

.footer-contact h4,
.footer-links h4,
.footer-mission h4 {
    font-size: 18px;
    color: var(--text-white);
    margin-bottom: 16px;
    font-weight: 700;
}

.footer-contact p {
    margin-bottom: 10px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.8);
}

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

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links li a {
    font-size: 14px;
    opacity: 0.8;
    transition: var(--transition-normal);
}

.footer-links li a:hover {
    opacity: 1;
    color: var(--accent-color);
    padding-left: 8px;
}

.footer-mission p {
    font-size: 14px;
    line-height: 1.8;
    opacity: 0.8;
    margin-bottom: 20px;
}

.footer-signature p {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-white);
    margin-top: 20px;
}

.footer-signature span {
    font-size: 13px;
    font-weight: 400;
    color: var(--secondary-color);
    display: block;
    margin-top: 4px;
}

.footer-privacy {
    padding: 30px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 20px;
}

.footer-privacy h4 {
    font-size: 16px;
    color: var(--text-white);
    margin-bottom: 12px;
}

.footer-privacy p {
    font-size: 13px;
    line-height: 1.8;
    opacity: 0.7;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
}

.footer-bottom p {
    font-size: 14px;
    opacity: 0.7;
}

/* ============================================
   Scroll to Top Button
   ============================================ */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--secondary-color);
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

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

.scroll-top:hover {
    background: var(--primary-color);
    transform: translateY(-4px);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 300px;
        height: calc(100vh - 80px);
        background: var(--bg-white);
        flex-direction: column;
        padding: 40px 20px;
        box-shadow: var(--shadow-xl);
        transition: var(--transition-normal);
        gap: 0;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu li {
        width: 100%;
        text-align: center;
        padding: 16px 0;
        border-bottom: 1px solid var(--border-color);
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }
    
    .concept-pillars {
        grid-template-columns: 1fr;
    }
    
    .strengths-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .method-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .value-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .philosophy-grid {
        grid-template-columns: 1fr;
    }
    
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .topics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .benefits-list {
        grid-template-columns: 1fr;
    }
    
    .target-grid {
        grid-template-columns: 1fr;
    }
    
    .profile-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .lead-text {
        font-size: 20px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .method-grid {
        grid-template-columns: 1fr;
    }
    
    .value-grid {
        grid-template-columns: 1fr;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .blog-platform {
        flex-direction: column;
        text-align: center;
    }
    
    .topics-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .lecture-hero {
        padding: 40px 24px;
    }
    
    .lecture-hero-text h3 {
        font-size: 26px;
    }
    
    .lecture-target {
        padding: 30px 20px;
    }
    
    .gallery-philosophy {
        padding: 30px 20px;
    }
    
    .blog-topics {
        padding: 30px 20px;
    }
    
    .company-table th,
    .company-table td {
        padding: 16px 20px;
    }
    
    .contact-form-wrapper {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .logo-image {
        height: 40px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .mission-text {
        font-size: 24px;
    }
    
    .mission-highlight {
        font-size: 28px;
    }
}

/* ============================================
   Animation Classes
   ============================================ */
.fade-in {
    animation: fadeIn 0.6s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}