/* リセット&基本設定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Yu Gothic', Meiryo, sans-serif;
    line-height: 1.8;
    color: #333;
    background: #fff;
    overflow-x: hidden;
}

/* コンテナ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ヒーローセクション */
.hero {
    position: relative;
    min-height: 100vh;
    background: linear-gradient(135deg, #ffffff 0%, #e3f2fd 50%, #90caf9 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(144, 202, 249, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(100, 181, 246, 0.3) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 40px 20px;
    animation: fadeInUp 1s ease-out;
}

.hero-logo {
    margin-bottom: 30px;
    animation: fadeIn 1.5s ease-out;
}

.logo-image {
    max-width: 500px;
    width: 90%;
    height: auto;
    display: block;
    margin: 0 auto;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
}

.hero-icon {
    font-size: 80px;
    margin-bottom: 20px;
    animation: bounce 2s infinite;
}

.hero-title {
    font-size: clamp(32px, 6vw, 64px);
    font-weight: 900;
    color: #1976d2;
    margin-bottom: 20px;
    line-height: 1.3;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: clamp(20px, 3vw, 32px);
    font-weight: 700;
    color: #0d47a1;
    margin-bottom: 30px;
}

.hero-decorations {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 40px;
}

.decoration-icon {
    font-size: 48px;
    animation: float 3s ease-in-out infinite;
}

.decoration-icon:nth-child(2) {
    animation-delay: 0.5s;
}

.decoration-icon:nth-child(3) {
    animation-delay: 1s;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: #1976d2;
    font-weight: 600;
    animation: fadeIn 2s ease-out 1s both;
}

.scroll-arrow {
    font-size: 24px;
    margin-top: 10px;
    animation: bounce 2s infinite;
}

/* 波状ディバイダー */
.wave-divider {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.wave-divider svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 80px;
}

.wave-divider path {
    fill: #ffffff;
}

/* ご挨拶セクション */
.greeting {
    padding: 100px 0;
    background: #fff;
}

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

.greeting-text {
    font-size: 18px;
    line-height: 2;
    margin-bottom: 30px;
    color: #555;
}

.greeting-text strong {
    color: #1976d2;
    font-weight: 700;
    background: linear-gradient(transparent 60%, #e3f2fd 60%);
}

.greeting-signature {
    font-size: 20px;
    font-weight: 700;
    color: #0d47a1;
    margin-top: 50px;
    text-align: right;
}

/* 新コースセクション */
.new-courses {
    padding: 100px 0;
    background: linear-gradient(to bottom, #ffffff 0%, #e3f2fd 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: clamp(28px, 5vw, 42px);
    font-weight: 900;
    color: #0d47a1;
    margin-bottom: 20px;
}

.section-description {
    font-size: 18px;
    line-height: 2;
    color: #555;
    max-width: 900px;
    margin: 0 auto;
}

/* コースカード */
.course-card {
    background: #fff;
    border-radius: 24px;
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, #42a5f5, #1976d2);
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.course-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.course-title {
    font-size: 28px;
    font-weight: 900;
    color: #0d47a1;
    margin-bottom: 15px;
}

.course-badge {
    display: inline-block;
    background: linear-gradient(135deg, #42a5f5, #1976d2);
    color: #fff;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 30px;
}

.course-badge.already-available {
    background: linear-gradient(135deg, #66bb6a, #43a047);
}

.course-content {
    margin-top: 30px;
}

.course-section {
    margin-bottom: 30px;
}

.course-section h4 {
    font-size: 20px;
    font-weight: 700;
    color: #1976d2;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
}

.course-section p {
    font-size: 16px;
    line-height: 1.9;
    color: #555;
    margin-bottom: 10px;
}

.course-section ul {
    list-style: none;
    padding-left: 0;
}

.course-section li {
    font-size: 16px;
    line-height: 1.9;
    color: #555;
    padding-left: 24px;
    margin-bottom: 10px;
    position: relative;
}

.course-section li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #1976d2;
    font-weight: 700;
}

.course-subsection {
    background: #f5f9ff;
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 20px;
}

.course-subsection h4 {
    font-size: 22px;
    font-weight: 700;
    color: #0d47a1;
    margin-bottom: 15px;
}

.course-features {
    margin-top: 20px;
}

.course-features p strong {
    color: #1976d2;
}

.detail-link {
    display: inline-block;
    margin-top: 15px;
    color: #1976d2;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
}

.detail-link:hover {
    color: #0d47a1;
    transform: translateX(5px);
}

.note {
    font-size: 14px;
    color: #777;
    font-style: italic;
}

/* 特徴セクション */
.features {
    padding: 100px 0;
    background: #fff;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.feature-card {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 56px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #0d47a1;
    margin-bottom: 15px;
    line-height: 1.5;
}

.feature-card p {
    font-size: 15px;
    color: #555;
    line-height: 1.7;
}

/* 価格セクション */
.pricing {
    padding: 100px 0;
    background: linear-gradient(to bottom, #e3f2fd 0%, #ffffff 100%);
}

.pricing-notice {
    background: #fff3e0;
    border-left: 5px solid #ff9800;
    padding: 30px;
    border-radius: 12px;
    margin-top: 30px;
}

.pricing-notice p {
    font-size: 16px;
    line-height: 1.9;
    color: #555;
    margin-bottom: 10px;
}

.pricing-notice strong {
    color: #e65100;
    font-weight: 700;
}

/* 料金表 */
.pricing-table {
    margin-top: 60px;
    margin-bottom: 40px;
}

.table-title {
    font-size: 26px;
    font-weight: 900;
    color: #0d47a1;
    margin-bottom: 10px;
    padding-left: 20px;
    border-left: 6px solid #1976d2;
}

.table-note {
    font-size: 14px;
    color: #777;
    font-style: italic;
    margin-bottom: 20px;
    padding-left: 26px;
}

.table-wrapper {
    background: #fff;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: linear-gradient(135deg, #1976d2, #0d47a1);
}

thead th {
    color: #fff;
    font-weight: 700;
    font-size: 16px;
    padding: 20px;
    text-align: left;
}

tbody tr {
    border-bottom: 1px solid #e3f2fd;
    transition: all 0.3s ease;
}

tbody tr:hover {
    background: #f5f9ff;
    transform: scale(1.01);
}

tbody td {
    padding: 20px;
    font-size: 16px;
    color: #555;
}

tbody td:first-child {
    font-weight: 600;
    color: #333;
}

tbody td strong {
    font-size: 20px;
    font-weight: 900;
    color: #1976d2;
}

/* 特典セクション */
.benefits {
    padding: 100px 0;
    background: #fff;
}

.benefit-box {
    background: linear-gradient(135deg, #fff9c4 0%, #fff59d 100%);
    border-radius: 24px;
    padding: 60px 40px;
    text-align: center;
    box-shadow: 0 15px 50px rgba(255, 193, 7, 0.3);
    border: 3px solid #fbc02d;
}

.benefit-icon {
    font-size: 72px;
    margin-bottom: 20px;
}

.benefit-title {
    font-size: 28px;
    font-weight: 900;
    color: #f57f17;
    margin-bottom: 20px;
}

.benefit-text {
    font-size: 20px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 30px;
}

.benefit-text strong {
    color: #f57f17;
    font-weight: 700;
    font-size: 22px;
}

.event-info {
    background: rgba(255, 255, 255, 0.7);
    border-radius: 12px;
    padding: 20px;
    margin-top: 30px;
}

.event-info h4 {
    font-size: 22px;
    font-weight: 700;
    color: #f57f17;
    margin-bottom: 10px;
}

.event-link {
    color: #f57f17;
    font-weight: 700;
    text-decoration: none;
    border-bottom: 2px solid #f57f17;
    transition: all 0.3s ease;
    display: inline-block;
    padding-bottom: 2px;
}

.event-link:hover {
    color: #e65100;
    border-bottom-color: #e65100;
    transform: translateX(5px);
}

.event-details {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 16px;
    padding: 25px;
    margin: 25px 0;
    border: 2px solid #fbc02d;
}

.event-schedule {
    font-size: 17px;
    line-height: 1.9;
    color: #555;
    margin-bottom: 15px;
}

.event-schedule strong {
    color: #f57f17;
    font-weight: 700;
    font-size: 18px;
}

.event-note {
    font-size: 15px;
    line-height: 1.8;
    color: #666;
    font-style: italic;
    padding-top: 15px;
    border-top: 1px dashed #fbc02d;
}

.survey-box {
    background: linear-gradient(135deg, #fff8e1 0%, #ffecb3 100%);
    border-radius: 16px;
    padding: 30px;
    margin-top: 30px;
    border: 3px solid #ffb300;
    text-align: center;
}

.survey-title {
    font-size: 22px;
    font-weight: 900;
    color: #e65100;
    margin-bottom: 20px;
}

.survey-text {
    font-size: 16px;
    line-height: 1.9;
    color: #555;
    margin-bottom: 25px;
}

.survey-button {
    display: inline-block;
    background: linear-gradient(135deg, #ff9800, #f57c00);
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 152, 0, 0.3);
}

.survey-button:hover {
    background: linear-gradient(135deg, #fb8c00, #ef6c00);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 152, 0, 0.4);
}

/* 締めの挨拶セクション */
.closing {
    padding: 100px 0;
    background: linear-gradient(to bottom, #ffffff 0%, #e3f2fd 100%);
}

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

.closing-text {
    font-size: 18px;
    line-height: 2;
    color: #555;
    margin-bottom: 50px;
}

.company-info {
    background: #fff;
    border-radius: 24px;
    padding: 50px 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.company-info h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1976d2;
    margin-bottom: 10px;
}

.company-info h2 {
    font-size: 32px;
    font-weight: 900;
    color: #0d47a1;
    margin-bottom: 20px;
}

.company-link {
    color: #0d47a1;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
}

.company-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    bottom: -5px;
    left: 0;
    background: linear-gradient(90deg, #1976d2, #42a5f5);
    transition: width 0.3s ease;
}

.company-link:hover {
    color: #1976d2;
    transform: translateY(-2px);
}

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

.company-subtitle {
    font-size: 16px;
    font-weight: 600;
    color: #42a5f5;
    margin-bottom: 20px;
}

.company-description {
    font-size: 15px;
    line-height: 2;
    color: #555;
}

/* フッター */
.footer {
    padding: 40px 0;
    background: linear-gradient(135deg, #0d47a1, #1976d2);
    color: #fff;
    text-align: center;
}

.footer p {
    font-size: 14px;
    font-weight: 500;
}

/* アニメーション */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

/* フェードインクラス */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

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

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .logo-image {
        max-width: 350px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 22px;
    }
    
    .hero-decorations {
        gap: 20px;
    }
    
    .decoration-icon {
        font-size: 32px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .course-card {
        padding: 30px 20px;
    }
    
    .course-icon {
        font-size: 48px;
    }
    
    .course-title {
        font-size: 24px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .table-wrapper {
        padding: 15px;
    }
    
    thead th,
    tbody td {
        padding: 12px;
        font-size: 14px;
    }
    
    .benefit-box {
        padding: 40px 20px;
    }
    
    .company-info {
        padding: 40px 20px;
    }
}

@media (max-width: 480px) {
    .logo-image {
        max-width: 280px;
    }
    
    .hero-icon {
        font-size: 60px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .greeting,
    .new-courses,
    .features,
    .pricing,
    .benefits,
    .closing {
        padding: 60px 0;
    }
    
    .course-icon {
        font-size: 40px;
    }
    
    .course-title {
        font-size: 20px;
    }
    
    .feature-icon {
        font-size: 40px;
    }
    
    .benefit-icon {
        font-size: 56px;
    }
}