/* ==========================================
   1. Reset & Base Settings
   ========================================== */
   :root {
    /* Colors */
    --bg-dark: #050508;
    --bg-card: #101016;
    --bg-glass: rgba(255, 255, 255, 0.03);
    --border-glass: rgba(255, 255, 255, 0.1);
    
    /* Gradients */
    --primary-grad: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --text-grad: linear-gradient(to right, #ffffff, #a0a0b0);
    
    /* Accents */
    --gold: #D4AF37;
    --gold-glow: rgba(212, 175, 55, 0.5);
    
    /* Text */
    --text-main: #FFFFFF;
    --text-sub: #A0A0B0;
    
    /* Layout */
    --container-width: 1100px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.8;
    overflow-x: hidden; /* 横スクロール防止 */
    -webkit-font-smoothing: antialiased;
}

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

a { text-decoration: none; }
ul { list-style: none; }

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ==========================================
   2. Utilities & Animations
   ========================================== */
/* フェードインアニメーション */
.fade-in, .slide-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.fade-in-delay {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease 0.3s, transform 0.8s ease 0.3s;
}
.fade-in-delay.visible {
    opacity: 1;
    transform: translateY(0);
}

/* セクション共通パーツ */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    color: var(--gold);
    border: 1px solid var(--gold);
    padding: 6px 16px;
    font-size: 0.75rem;
    border-radius: 50px;
    letter-spacing: 0.15em;
    margin-bottom: 16px;
    background: rgba(212, 175, 55, 0.05);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    background: linear-gradient(to right, #fff, #bbb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ボタン */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: bold;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary-grad);
    color: white;
    box-shadow: 0 10px 30px rgba(118, 75, 162, 0.4);
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(118, 75, 162, 0.6);
}

/* ==========================================
   3. Navigation
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: 80px;
    background: rgba(5, 5, 8, 0.9);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-glass);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 40px;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(102, 126, 234, 0.5);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    letter-spacing: 0.05em;
}

.nav-menu {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-menu a {
    color: var(--text-sub);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s;
}
.nav-menu a:hover { color: white; }

.nav-cta {
    background: rgba(255,255,255,0.1) !important;
    padding: 10px 24px;
    border-radius: 100px;
    color: white !important;
    border: 1px solid rgba(255,255,255,0.2);
    transition: all 0.3s;
}
.nav-cta:hover {
    background: var(--primary-grad) !important;
    border-color: transparent;
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
    transform: scale(1.05);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle, transparent 0%, var(--bg-dark) 90%);
}

/* グローエフェクト */
.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: pulse 8s infinite alternate;
}
.glow-1 { top: 20%; left: 20%; width: 300px; height: 300px; background: #764ba2; }
.glow-2 { bottom: 20%; right: 20%; width: 400px; height: 400px; background: #21d4fd; animation-delay: 2s; }

@keyframes pulse {
    0% { opacity: 0.3; transform: scale(1); }
    100% { opacity: 0.5; transform: scale(1.2); }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
    padding: 60px 24px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.1;
    font-weight: 900;
    margin-bottom: 20px;
}

.hero-title-main { display: block; color: white; }
.hero-title-sub {
    display: block;
    background: linear-gradient(135deg, var(--gold) 0%, #F8F3D4 50%, #B07A4C 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-sub);
    margin-bottom: 40px;
    max-width: 500px;
}

.device-mockup {
    width: 100%;
    max-width: 340px;
    margin: 0 auto;
    filter: drop-shadow(0 0 60px rgba(118, 75, 162, 0.4));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* ==========================================
   4.5 Hero Badges & Value Proposition
   ========================================== */
.hero-badges {
    display: flex;
    gap: 16px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.hero-badge {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--text-sub);
    backdrop-filter: blur(10px);
}

.value-proposition {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, #0a0a10 100%);
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.value-grid.two-columns {
    grid-template-columns: repeat(2, 1fr);
    max-width: 800px;
    margin: 0 auto;
}

.value-card {
    text-align: center;
    padding: 40px 24px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    transition: all 0.3s ease;
}

.value-card:hover {
    border-color: var(--gold);
    transform: translateY(-5px);
}

.value-number {
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--gold) 0%, #F8F3D4 50%, #B07A4C 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 16px;
}

.value-unit {
    font-size: 1.5rem;
    margin-left: 4px;
}

.value-desc {
    color: var(--text-sub);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ==========================================
   5. Features (Bento Grid)
   ========================================== */
.features {
    padding: 120px 0;
    background: #08080c;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    grid-auto-rows: minmax(250px, auto);
}

.feature-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    padding: 32px;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    display: flex;
    flex-direction: column;
}

/* グリッドレイアウト調整 */
.feature-card.wide { grid-column: span 2; }
.feature-card.tall { grid-row: span 2; }

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.05);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 20px;
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,0.1);
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    color: white;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--text-sub);
    line-height: 1.7;
}

/* ==========================================
   6. Advanced Features
   ========================================== */
.advanced-features {
    padding: 100px 0;
}

.advanced-card {
    background: linear-gradient(145deg, #0f0f16, #0a0a0f);
    border: 1px solid var(--border-glass);
    border-radius: 32px;
    padding: 50px;
    display: flex;
    align-items: center;
    gap: 50px;
    overflow: hidden;
}

.advanced-text { flex: 1; }
.advanced-text h3 { font-size: 2rem; margin-bottom: 20px; color: white; }
.advanced-text p { color: var(--text-sub); font-size: 1.05rem; }

.advanced-visual { 
    flex: 1; 
    display: flex; 
    justify-content: center; 
    gap: 20px;
    flex-wrap: wrap;
}
.advanced-visual img {
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    max-height: 400px;
    object-fit: contain;
}

/* ==========================================
   6.5 AI Section & Personalize Section
   ========================================== */
.ai-section {
    padding: 120px 0;
    background: #08080c;
}

.ai-content {
    display: flex;
    gap: 60px;
    align-items: center;
}

.ai-text {
    flex: 1;
}

.ai-lead {
    font-size: 1.2rem;
    color: white;
    line-height: 1.9;
    margin-bottom: 30px;
}

.ai-benefits {
    margin-bottom: 30px;
}

.ai-benefit-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.ai-check {
    color: var(--gold);
    font-size: 1.2rem;
    font-weight: bold;
}

.ai-benefit-item span:last-child {
    color: var(--text-sub);
    font-size: 1rem;
}

.ai-summary {
    color: var(--text-sub);
    font-size: 1rem;
    line-height: 1.8;
}

.ai-visual {
    flex: 0 0 300px;
}

.ai-visual img {
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* パーソナライズセクション */
.personalize-section {
    padding: 120px 0;
    background: linear-gradient(180deg, #08080c 0%, #050508 100%);
}

.personalize-content {
    display: flex;
    gap: 60px;
    align-items: center;
}

.personalize-visual {
    flex: 0 0 300px;
}

.personalize-visual img {
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.2);
}

.personalize-text {
    flex: 1;
}

.personalize-text h3 {
    font-size: 2rem;
    color: white;
    margin-bottom: 20px;
}

.personalize-text p {
    color: var(--text-sub);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 20px;
}

.personalize-highlight {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-left: 3px solid var(--gold);
    padding: 20px 24px;
    border-radius: 0 12px 12px 0;
}

/* ==========================================
   7. Use Cases (Tabs)
   ========================================== */
.use-cases {
    padding: 120px 0;
    background: #050508;
}

.tab-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.tab-btn {
    background: transparent;
    border: 1px solid var(--border-glass);
    color: var(--text-sub);
    padding: 12px 30px;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 600;
}

.tab-btn.active, .tab-btn:hover {
    background: var(--border-glass);
    color: white;
    border-color: white;
}
.tab-btn.active { background: white; color: black; }

/* タブコンテンツ */
.tab-content { display: none; animation: fadeIn 0.5s ease; }
.tab-content.active { display: block; }

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

.use-case-card {
    display: flex;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 30px;
    overflow: hidden;
    max-width: 900px;
    margin: 0 auto;
}

.use-case-img { width: 50%; position: relative; }
.use-case-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0; left: 0;
}

.use-case-info {
    width: 50%;
    padding: 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.use-case-info h3 {
    font-size: 1.8rem;
    margin-bottom: 25px;
    color: var(--gold);
}

.use-case-info ul li {
    margin-bottom: 15px;
    color: var(--text-sub);
    font-size: 1.05rem;
}

/* ==========================================
   7.5 Privacy & Why Choose Sections
   ========================================== */
.privacy-section {
    padding: 80px 0;
    background: #050508;
}

.privacy-card {
    display: flex;
    align-items: center;
    gap: 40px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08), rgba(118, 75, 162, 0.08));
    border: 1px solid var(--border-glass);
    border-radius: 30px;
    padding: 50px;
}

.privacy-icon {
    font-size: 4rem;
    flex-shrink: 0;
}

.privacy-content h3 {
    font-size: 1.6rem;
    color: white;
    margin-bottom: 16px;
}

.privacy-content p {
    color: var(--text-sub);
    margin-bottom: 24px;
    line-height: 1.8;
}

.privacy-badges {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.privacy-badge {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-sub);
}

/* Why Choose Section */
.why-choose {
    padding: 120px 0;
    background: linear-gradient(180deg, #050508 0%, #08080c 100%);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.why-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 32px;
    transition: all 0.3s ease;
    position: relative;
}

.why-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.why-number {
    font-size: 3rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.08);
    position: absolute;
    top: 20px;
    right: 24px;
}

.why-card h4 {
    font-size: 1.2rem;
    color: var(--gold);
    margin-bottom: 12px;
}

.why-card p {
    color: var(--text-sub);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ==========================================
   8. About Qimen (Content Rich)
   ========================================== */
.about-qimen {
    padding: 120px 0;
    background: radial-gradient(circle at 50% 0%, #12121a 0%, #050508 100%);
    position: relative;
}

/* 導入部分 */
.about-intro {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 100px;
}

.about-text-content { flex: 1; }
.about-lead {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: white;
    line-height: 1.9;
}
.about-sub {
    color: var(--text-sub);
    line-height: 1.8;
}

.about-visual-side {
    flex: 1;
    display: flex;
    justify-content: center;
}

.plate-image {
    width: 100%;
    max-width: 420px;
    filter: drop-shadow(0 0 40px rgba(212, 175, 55, 0.15));
    animation: rotateSlow 60s linear infinite;
}
@keyframes rotateSlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 仕組み（三盤） */
.mechanism-section {
    text-align: center;
    margin-bottom: 80px;
}

.subsection-title {
    font-size: 2rem;
    color: white;
    margin-bottom: 16px;
}

.subsection-desc {
    color: var(--text-sub);
    margin-bottom: 40px;
}

.plates-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.plate-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s;
}

.plate-card:hover {
    transform: translateY(-5px);
    border-color: var(--gold);
    background: rgba(212, 175, 55, 0.05);
}

.plate-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.plate-card h4 {
    font-size: 1.4rem;
    color: white;
    margin-bottom: 12px;
}

.plate-summary {
    color: var(--text-sub);
    font-size: 0.9rem;
    margin-bottom: 20px;
    min-height: 3em;
}

.plate-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}

.plate-tags span {
    font-size: 0.8rem;
    padding: 4px 10px;
    border-radius: 6px;
    background: rgba(255,255,255,0.05);
    color: var(--text-sub);
    border: 1px solid rgba(255,255,255,0.1);
}

.gold-tags span {
    color: var(--gold);
    border-color: rgba(212, 175, 55, 0.3);
    background: rgba(212, 175, 55, 0.05);
}

/* 時間の質チャート */
.time-quality-section {
    background: linear-gradient(135deg, #121218, #0a0a0e);
    border-radius: 30px;
    padding: 50px;
    border: 1px solid var(--border-glass);
}

.quality-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.quality-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: white;
}
.quality-text p { color: var(--text-sub); }

.chart-row { margin-bottom: 24px; }
.chart-label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    font-weight: bold;
}
.chart-label.gold { color: var(--gold); }

.chart-bar {
    height: 44px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    padding-left: 20px;
    font-size: 0.95rem;
    font-weight: bold;
    color: white;
    white-space: nowrap;
    overflow: hidden;
}

.standard {
    width: 50%;
    background: #333;
}

.boost {
    width: 0; /* アニメーション開始時 */
    background: linear-gradient(90deg, var(--gold), #F8F3D4);
    color: black;
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
    animation: growBar 1.5s ease-out forwards 0.5s; /* 遅延実行 */
}

@keyframes growBar {
    to { width: 95%; }
}

/* ==========================================
   8.5 FAQ Section
   ========================================== */
.faq-section {
    padding: 120px 0;
    background: linear-gradient(180deg, #08080c 0%, #050508 100%);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 28px 32px;
    margin-bottom: 16px;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.faq-question {
    font-size: 1.15rem;
    color: white;
    margin-bottom: 12px;
    font-weight: 600;
}

.faq-answer {
    color: var(--text-sub);
    font-size: 0.95rem;
    line-height: 1.8;
}

@media (max-width: 768px) {
    .faq-item {
        padding: 20px 24px;
    }

    .faq-question {
        font-size: 1rem;
    }
}

/* ==========================================
   9. CTA & Footer
   ========================================== */
.cta-section {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(to bottom, #050508, #151020);
}

.cta-box {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    padding: 80px 20px;
    border-radius: 40px;
    border: 1px solid var(--border-glass);
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.cta-box h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: white;
}

.cta-box p {
    font-size: 1.2rem;
    color: var(--text-sub);
    margin-bottom: 40px;
    line-height: 1.8;
}

.cta-note {
    font-size: 0.9rem !important;
    margin-top: 20px !important;
    margin-bottom: 0 !important;
    opacity: 0.7;
}

.footer {
    background: #020203;
    padding: 60px 0 30px;
    border-top: 1px solid #1a1a1a;
    font-size: 0.9rem;
}

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

.footer-brand p { color: var(--text-sub); margin-top: 10px; }

.footer-column h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 1rem;
}

.footer-column ul li { margin-bottom: 10px; }

.footer-column a {
    color: var(--text-sub);
    transition: color 0.2s;
}
.footer-column a:hover { color: var(--gold); }

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #1a1a1a;
    color: #555;
}

/* ==========================================
   10. Mobile Responsive
   ========================================== */
@media (max-width: 992px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .feature-card.wide, .feature-card.tall { grid-column: span 1; grid-row: span 1; }
}

@media (max-width: 992px) {
    .why-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    /* Nav */
    .nav-menu { display: none; }
    
    /* Hero */
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 20px;
        gap: 40px;
    }
    .hero-description { margin: 0 auto 30px; }
    .hero-badges { justify-content: center; }
    
    /* Value Proposition */
    .value-grid { grid-template-columns: 1fr; gap: 24px; }
    .value-number { font-size: 3rem; }
    
    /* Features */
    .features-grid { grid-template-columns: 1fr; }
    
    /* Advanced */
    .advanced-card {
        flex-direction: column;
        text-align: center;
        padding: 30px;
    }
    .advanced-visual img { width: 100%; height: auto; }

    /* AI Section */
    .ai-content { flex-direction: column; text-align: center; }
    .ai-visual { flex: 0 0 auto; }
    .ai-visual img { max-width: 280px; margin: 0 auto; }
    .ai-benefit-item { justify-content: center; }
    
    /* Personalize Section */
    .personalize-content { flex-direction: column; text-align: center; }
    .personalize-visual { flex: 0 0 auto; }
    .personalize-visual img { max-width: 280px; margin: 0 auto; }
    .personalize-highlight { text-align: left; }

    /* Use Cases */
    .use-case-card { flex-direction: column; }
    .use-case-img { width: 100%; height: 250px; position: relative; }
    .use-case-info { width: 100%; padding: 30px; }
    
    /* Privacy */
    .privacy-card { flex-direction: column; text-align: center; padding: 30px; }
    .privacy-badges { justify-content: center; }
    
    /* Why Choose */
    .why-grid { grid-template-columns: 1fr; }
    
    /* About Qimen */
    .about-intro { flex-direction: column; text-align: center; }
    .plates-grid { grid-template-columns: 1fr; }
    .quality-box { grid-template-columns: 1fr; }
    .chart-bar { font-size: 0.8rem; }
    
    /* Footer */
    .footer-content { grid-template-columns: 1fr; text-align: center; }
    .footer-brand { align-items: center; justify-content: center; }
    .logo { justify-content: center; }
}