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

html {
    scroll-behavior: smooth;
}

body {
    /* オフライン対応: システムにインストールされているフォントを使用 */
    font-family: 
        'Noto Sans JP',
        'Hiragino Sans', 'ヒラギノ角ゴシック', 'Hiragino Kaku Gothic ProN', 'ヒラギノ角ゴ ProN W3',
        'Yu Gothic', '游ゴシック', 'Yu Gothic UI',
        'Meiryo', 'メイリオ',
        -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif,
        'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol';
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(37, 99, 235, 0.1);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    height: 40px;
    width: auto;
    display: block;
    filter: drop-shadow(0 1px 0.5px rgba(0,0,0,0.08));
}

/* 見出しテキストはロゴ画像に置換したため未使用 */

.logo-subtitle {
    font-size: 15px;
    font-weight: 700;
    line-height: 1;
    letter-spacing: 0.02em;
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: #374151;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #2563eb;
}

.nav-menu a.active {
    color: #2563eb;
    font-weight: 600;
    position: relative;
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border-radius: 2px;
}

.nav-cta {
    background: linear-gradient(135deg, #2563eb, #3b82f6) !important;
    color: white !important;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
    color: white !important;
}

/* Hero Section */
.hero {
    margin-top: 70px;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f8faff 0%, #e0f2fe 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="%232563eb" opacity="0.1"/><circle cx="80" cy="80" r="2" fill="%233b82f6" opacity="0.1"/><circle cx="40" cy="60" r="1.5" fill="%23059669" opacity="0.1"/></svg>') repeat;
    animation: float 20s ease-in-out infinite;
}

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

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    z-index: 2;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #1f2937;
}

.highlight {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border-radius: 2px;
}

.hero-description {
    font-size: 18px;
    color: #6b7280;
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-stats {
    display: flex;
    justify-content: flex-start;
    gap: 50px;
    margin-bottom: 40px;
    margin-left: 60px;
}

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

.stat-number {
    display: block;
    font-size: 32px;
    font-weight: 700;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 14px;
    color: #6b7280;
    font-weight: 500;
}

.hero-cta {
    display: flex;
    justify-content: flex-start;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-cta .btn {
    flex: 0 1 auto;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* モダンなデモインターフェース */
.demo-interface {
    position: relative;
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* 音声認識ビジュアライザー */
.voice-visualizer {
    position: relative;
    background: linear-gradient(135deg, #ffffff, #f8faff);
    border: 2px solid rgba(37,99,235,0.15);
    border-radius: 20px;
    padding: 50px 24px 30px;
    box-shadow: 0 20px 50px rgba(37, 99, 235, 0.15);
    text-align: center;
    min-height: 180px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.voice-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(37,99,235,0.08), transparent 70%);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { 
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.6;
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.3;
    }
}

.voice-wave-container {
    position: relative;
    display: flex;
    gap: 8px;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    z-index: 2;
}

.voice-wave {
    width: 5px;
    border-radius: 3px;
    background: linear-gradient(180deg, #2563eb, #3b82f6);
    animation: waveAnimation 1.2s ease-in-out infinite;
}

.voice-wave:nth-child(1) {
    height: 20px;
    animation-delay: 0s;
}

.voice-wave:nth-child(2) {
    height: 35px;
    animation-delay: 0.1s;
}

.voice-wave:nth-child(3) {
    height: 55px;
    animation-delay: 0.2s;
}

.voice-wave:nth-child(4) {
    height: 40px;
    animation-delay: 0.3s;
}

.voice-wave:nth-child(5) {
    height: 25px;
    animation-delay: 0.4s;
}

@keyframes waveAnimation {
    0%, 100% { 
        transform: scaleY(0.3);
        opacity: 0.6;
    }
    50% { 
        transform: scaleY(1);
        opacity: 1;
    }
}

.voice-text {
    position: relative;
    font-size: 15px;
    font-weight: 600;
    color: #1f2937;
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    padding: 12px 20px;
    border-radius: 12px;
    border: 1px solid rgba(37,99,235,0.12);
    z-index: 2;
}

/* 処理フローインジケーター */
.processing-indicator {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: white;
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    gap: 8px;
}

.process-step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 12px;
    border-radius: 12px;
    background: #f9fafb;
    transition: all 0.5s ease;
    opacity: 0.5;
}

.process-step.active {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    opacity: 1;
    animation: glow 1.5s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 0 rgba(37,99,235,0); }
    50% { box-shadow: 0 0 20px rgba(37,99,235,0.3); }
}

.step-icon {
    width: 28px;
    height: 28px;
    color: #2563eb;
}

.step-label {
    font-size: 11px;
    font-weight: 700;
    color: #1f2937;
    white-space: nowrap;
}

.process-arrow {
    width: 24px;
    height: 24px;
    color: #2563eb;
    flex-shrink: 0;
}

.process-arrow svg {
    width: 100%;
    height: 100%;
}


/* Buttons */
.btn {
    padding: 14px 26px;
    border: none;
    border-radius: 30px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
    background: white;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.btn-secondary:hover {
    background: #2563eb;
    color: white;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.btn-outline:hover {
    background: #2563eb;
    color: white;
}

.btn.large {
    padding: 18px 40px;
    font-size: 18px;
}

/* Problems Section */
.problems {
    padding: 100px 0;
    background: #f9fafb;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: #1f2937;
}

.problems-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.problem-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border-left: 5px solid;
}

.problem-card.customer {
    border-left-color: #dc2626;
}

.problem-card.company {
    border-left-color: #d97706;
}

.problem-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #1f2937;
}

.problem-card ul {
    list-style: none;
}

.problem-card li {
    padding: 8px 0;
    position: relative;
    padding-left: 25px;
    color: #6b7280;
}

.problem-card li::before {
    content: '●';
    position: absolute;
    left: 0;
    top: 8px;
    color: #dc2626;
    font-weight: bold;
}

/* Solutions Section */
.solutions {
    padding: 100px 0;
    background: white;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.solution-card {
    background: linear-gradient(135deg, #f8faff, #e0f2fe);
    padding: 32px 28px 28px;
    border-radius: 20px;
    border: 1px solid rgba(37, 99, 235, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 24px 48px rgba(37, 99, 235, 0.18);
}

.solution-badge {
    position: absolute;
    top: -14px;
    left: 28px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    padding: 7px 18px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
    letter-spacing: 0.02em;
}

.solution-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin: 18px 0 12px;
    color: #1f2937;
    line-height: 1.4;
    min-height: 60px;
    display: flex;
    align-items: center;
}

.solution-card p {
    color: #6b7280;
    line-height: 1.75;
    margin-bottom: 20px;
    font-size: 15px;
    flex-grow: 1;
    min-height: 80px;
}

.solution-image {
    margin-top: auto;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(37, 99, 235, 0.12);
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    min-height: 280px;
}

.solution-image img {
    width: 100%;
    height: auto;
    display: block;
    opacity: 1 !important;
    max-height: 260px;
    border-radius: 12px;
    border: 1px solid rgba(37,99,235,0.08);
    box-shadow: 0 8px 20px rgba(2,6,23,0.06);
    object-fit: contain;
}

/* 抽象: 既存システムとの連携 - データフロー表現 */
.integration-abstract {
    position: relative;
    width: 100%;
    max-width: 560px;
    aspect-ratio: 16/9;
    border-radius: 14px;
    background: linear-gradient(180deg, #ffffff, #f8fafc);
    border: 1px solid rgba(37, 99, 235, 0.2);
    overflow: hidden;
    display: grid;
    grid-template-columns: 1.3fr auto 1.3fr;
    align-items: center;
    padding: 32px 20px;
    gap: 16px;
}

/* 既存システム（左） */
.integration-abstract .legacy-sys {
    background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
    border: 1px solid rgba(71, 85, 105, 0.3);
    border-radius: 12px;
    padding: 20px 14px;
    position: relative;
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.08);
    text-align: center;
    font-size: 14px;
    font-weight: 700;
    color: #475569;
    line-height: 1.5;
    min-height: 68px;
    display: flex;
    align-items: center;
    justify-content: center;
    word-break: keep-all;
    overflow-wrap: break-word;
}

/* データフロー（中央） */
.integration-abstract .data-flow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.integration-abstract .csv-file {
    background: #dbeafe;
    border: 1px solid #3b82f6;
    border-radius: 8px;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 800;
    color: #1d4ed8;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
}

.integration-abstract .flow-arrows {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.integration-abstract .arrow-right,
.integration-abstract .arrow-left {
    width: 0;
    height: 0;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
}

.integration-abstract .arrow-right {
    border-left: 14px solid #10b981;
    animation: pulse-right 2s ease-in-out infinite;
}

.integration-abstract .arrow-left {
    border-right: 14px solid #3b82f6;
    animation: pulse-left 2s ease-in-out infinite 1s;
}

@keyframes pulse-right {
    0%, 100% { opacity: 0.4; transform: scale(0.9) translateX(-2px); }
    50% { opacity: 1; transform: scale(1.1) translateX(2px); }
}

@keyframes pulse-left {
    0%, 100% { opacity: 0.4; transform: scale(0.9) translateX(2px); }
    50% { opacity: 1; transform: scale(1.1) translateX(-2px); }
}

/* ai-borneシステム（右） */
.integration-abstract .aiborne-sys {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    border: 1px solid rgba(59, 130, 246, 0.4);
    border-radius: 12px;
    padding: 20px 14px;
    position: relative;
    box-shadow: 0 8px 18px rgba(37, 99, 235, 0.12);
    text-align: center;
    font-size: 14px;
    font-weight: 700;
    color: #1d4ed8;
    line-height: 1.5;
    min-height: 68px;
    display: flex;
    align-items: center;
    justify-content: center;
    word-break: keep-all;
    overflow-wrap: break-word;
}

/* 抽象: UIフロー（ログイン→発注） */
.ui-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.step-icon-wrapper {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    border: 2px solid rgba(37, 99, 235, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
    transition: all 0.3s ease;
}

.flow-step:hover .step-icon-wrapper {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
    background: linear-gradient(135deg, #bfdbfe, #93c5fd);
}

.step-icon {
    width: 32px;
    height: 32px;
    color: #1d4ed8;
}

.step-label {
    font-size: 14px;
    font-weight: 700;
    color: #1f2937;
    text-align: center;
}

.flow-arrow {
    width: 40px;
    height: 40px;
    color: #60a5fa;
    flex-shrink: 0;
}

.flow-arrow svg {
    width: 100%;
    height: 100%;
}



/* 全ての画像の表示を保護 */
img {
    opacity: 1 !important;
}


/* Features Section */
.features {
    padding: 100px 0;
    background: #f9fafb;
}

.features-list {
    max-width: 1000px;
    margin: 0 auto;
}

.feature-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.feature-item.reverse {
    direction: rtl;
}

.feature-item.reverse > * {
    direction: ltr;
}

.feature-content h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #1f2937;
}

.feature-content p {
    font-size: 18px;
    color: #6b7280;
    line-height: 1.7;
}

.feature-visual {
    background: white;
    padding: 28px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    text-align: center;
}


/* Feature Visuals */
.time-comparison {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.before, .after {
    text-align: center;
}

.time {
    display: block;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 10px;
}

.before .time {
    color: #dc2626;
}

.after .time {
    background: linear-gradient(135deg, #10b981, #059669);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.label {
    font-size: 16px;
    color: #6b7280;
    font-weight: 500;
}

.arrow {
    font-size: 24px;
    color: #2563eb;
}

.error-elimination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.traditional-methods,
.digital-method {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px;
    border-radius: 12px;
    min-width: 140px;
}

.traditional-methods {
    background: linear-gradient(135deg, #fee2e2, #fecaca);
    border: 1px solid rgba(220, 38, 38, 0.2);
    position: relative;
}

.digital-method {
    background: linear-gradient(135deg, #d1fae5, #a7f3d0);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.method-icons {
    display: flex;
    gap: 12px;
    margin-bottom: 8px;
}

.method-icon {
    width: 40px;
    height: 40px;
    color: currentColor;
}

.traditional-methods .method-icon {
    color: #dc2626;
}

.digital-method .method-icon {
    width: 48px;
    height: 48px;
    color: #059669;
}

.method-label {
    font-size: 14px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 4px;
}

.error-indicator {
    font-size: 12px;
    color: #dc2626;
    font-weight: 600;
    text-align: center;
    line-height: 1.4;
}

.accuracy-indicator {
    font-size: 12px;
    color: #059669;
    font-weight: 700;
    padding: 6px 12px;
    background: rgba(16, 185, 129, 0.15);
    border-radius: 6px;
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #1e3a8a, #1d4ed8);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-actions {
    margin-top: 50px;
}

.demo-login-card {
    display: inline-block;
    background: white;
    border-radius: 20px;
    padding: 40px 50px;
    box-shadow: 0 20px 60px rgba(37, 99, 235, 0.25);
    text-decoration: none;
    transition: all 0.4s ease;
    border: 2px solid rgba(37, 99, 235, 0.1);
    position: relative;
    overflow: hidden;
}

.demo-login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.08), transparent);
    transition: left 0.6s ease;
}

.demo-login-card:hover::before {
    left: 100%;
}

.demo-login-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 80px rgba(37, 99, 235, 0.35);
    border-color: rgba(37, 99, 235, 0.3);
}

.demo-logo {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 2px solid rgba(37, 99, 235, 0.1);
}

.demo-logo-image {
    height: 60px;
    width: auto;
    filter: drop-shadow(0 4px 8px rgba(37, 99, 235, 0.2));
}

.demo-logo-text {
    text-align: left;
}

.demo-logo-text h3 {
    font-size: 24px;
    font-weight: 800;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 5px;
    line-height: 1.2;
}

.demo-logo-text p {
    font-size: 14px;
    color: #6b7280;
    font-weight: 500;
    margin: 0;
}

.demo-cta-text {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 700;
    color: #2563eb;
}

.demo-arrow {
    font-size: 24px;
    transition: transform 0.3s ease;
}

.demo-login-card:hover .demo-arrow {
    transform: translateX(5px);
}


/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 50px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-brand h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    color: #9ca3af;
}

.footer-info p {
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    .logo-img { height: 30px; }
    .logo-subtitle { font-size: 12px; letter-spacing: 0.01em; }
    .nav-menu {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 30px;
        line-height: 1.3;
    }
    
    .hero-title br {
        display: none;
    }
    
    .hero-description {
        font-size: 15px;
        line-height: 1.7;
    }
    
    .hero-description br {
        display: none;
    }
    
    .hero-stats {
        justify-content: center;
        margin-left: 0;
        gap: 40px;
        margin-bottom: 30px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .stat-label {
        font-size: 13px;
    }

    .demo-interface { 
        max-width: 100%;
        padding: 0 10px;
    }
    
    .voice-visualizer {
        padding: 35px 16px 20px;
        min-height: 140px;
    }
    
    .voice-pulse {
        width: 160px;
        height: 160px;
    }
    
    .voice-wave-container {
        gap: 6px;
        margin-bottom: 20px;
    }
    
    .voice-wave {
        width: 4px;
    }
    
    .voice-wave:nth-child(1) {
        height: 16px;
    }
    
    .voice-wave:nth-child(2) {
        height: 28px;
    }
    
    .voice-wave:nth-child(3) {
        height: 44px;
    }
    
    .voice-wave:nth-child(4) {
        height: 32px;
    }
    
    .voice-wave:nth-child(5) {
        height: 20px;
    }
    
    .voice-text {
        font-size: 13px;
        padding: 10px 16px;
    }
    
    .processing-indicator {
        padding: 14px 10px;
        gap: 4px;
    }
    
    .process-step {
        padding: 8px 6px;
    }
    
    .step-icon {
        width: 22px;
        height: 22px;
    }
    
    .step-label {
        font-size: 9px;
    }
    
    .process-arrow {
        width: 18px;
        height: 18px;
    }
    
    .hero-cta {
        justify-content: center;
        flex-wrap: wrap;
        gap: 12px;
    }
    
    .hero-cta .btn {
        min-width: 140px;
        font-size: 14px;
        padding: 12px 22px;
    }
    
    .problems-grid {
        grid-template-columns: 1fr;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .integration-abstract {
        padding: 26px 12px;
        gap: 10px;
        grid-template-columns: 1.2fr auto 1.2fr;
    }
    
    .integration-abstract .legacy-sys,
    .integration-abstract .aiborne-sys {
        font-size: 12px;
        padding: 16px 10px;
        min-height: 56px;
        line-height: 1.6;
    }
    
    .integration-abstract .csv-file {
        font-size: 12px;
        padding: 8px 14px;
    }
    
    .integration-abstract .flow-arrows {
        gap: 10px;
    }
    
    .integration-abstract .arrow-right,
    .integration-abstract .arrow-left {
        border-top: 6px solid transparent;
        border-bottom: 6px solid transparent;
    }
    
    .integration-abstract .arrow-right {
        border-left-width: 11px;
    }
    
    .integration-abstract .arrow-left {
        border-right-width: 11px;
    }
    
    .feature-item {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .feature-item.reverse {
        direction: ltr;
        display: flex;
        flex-direction: column-reverse;
    }
    
    .ui-flow {
        flex-direction: column;
        gap: 20px;
    }
    
    .flow-arrow {
        width: 32px;
        height: 32px;
        transform: rotate(90deg);
    }
    
    .step-icon-wrapper {
        width: 56px;
        height: 56px;
    }
    
    .step-icon {
        width: 28px;
        height: 28px;
    }
    
    .step-label {
        font-size: 13px;
    }
    
    .time-comparison,
    .error-elimination {
        flex-direction: column;
        gap: 20px;
    }
    
    .traditional-methods,
    .digital-method {
        min-width: 100%;
        padding: 18px 16px;
    }
    
    .method-icons {
        gap: 10px;
    }
    
    .method-icon {
        width: 36px;
        height: 36px;
    }
    
    .digital-method .method-icon {
        width: 42px;
        height: 42px;
    }
    
    .arrow {
        transform: rotate(90deg);
    }
    
    .demo-login-card {
        padding: 30px 25px;
        border-radius: 16px;
    }
    
    .demo-logo {
        flex-direction: column;
        text-align: center;
        gap: 15px;
        margin-bottom: 25px;
        padding-bottom: 25px;
    }
    
    .demo-logo-image {
        height: 50px;
    }
    
    .demo-logo-text {
        text-align: center;
    }
    
    .demo-logo-text h3 {
        font-size: 20px;
    }
    
    .demo-logo-text p {
        font-size: 12px;
    }
    
    .demo-cta-text {
        font-size: 16px;
    }
    
    .demo-arrow {
        font-size: 20px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}
