/* リセットCSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Hiragino Sans', 'ヒラギノ角ゴシック', 'Yu Gothic', 'メイリオ', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* ヘッダー */
.header {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.logo {
    font-size: 28px;
    font-weight: bold;
    text-align: center;
}

/* ヒーローセクション */
.hero {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 80px 0;
    min-height: 600px;
    display: flex;
    align-items: center;
}

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

.hero-image {
    text-align: center;
}

.expert-photo {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    transition: transform 0.3s ease;
}

.expert-photo:hover {
    transform: translateY(-5px);
}

.hero-title {
    font-size: 42px;
    font-weight: bold;
    margin-bottom: 30px;
    line-height: 1.3;
}

.highlight {
    color: #1e3c72;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 18px;
    color: #666;
    margin-bottom: 40px;
    line-height: 1.8;
}

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

.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 60px;
    color: #333;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-item {
    text-align: center;
    padding: 40px 30px;
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.feature-item h4 {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #333;
}

.feature-item p {
    color: #666;
    line-height: 1.8;
}

/* LINEセクション */
.line-section {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.line-title {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 30px;
}

.line-description {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.9;
    line-height: 1.8;
}

.line-button-container {
    margin-bottom: 30px;
}

.line-button {
    display: inline-block;
    background: white;
    color: #1e3c72;
    padding: 20px 40px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 20px;
    font-weight: bold;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.line-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
    color: #2a5298;
}

.line-icon {
    margin-right: 10px;
    width: 24px;
    height: 24px;
    vertical-align: middle;
}

.line-note {
    font-size: 14px;
    opacity: 0.8;
}

/* 注意事項 */
.disclaimer {
    background: #f1f5f9;
    padding: 60px 0;
}

.disclaimer-title {
    text-align: center;
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 40px;
    color: #333;
}

.disclaimer-content {
    max-width: 800px;
    margin: 0 auto;
}

.disclaimer-content p {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.8;
    font-size: 16px;
}

/* フッター */
.footer {
    background: #1e293b;
    color: white;
    text-align: center;
    padding: 40px 0;
}

.footer p {
    font-size: 14px;
    opacity: 0.8;
}

/* モーダルスタイル */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 0;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: 24px 24px 16px 24px;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 20px;
    font-weight: bold;
    color: #1e293b;
}

.close {
    color: #94a3b8;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
    transition: color 0.3s ease;
}

.close:hover {
    color: #64748b;
}

.modal-body {
    padding: 24px;
    text-align: center;
}

.modal-icon {
    margin-bottom: 20px;
}

.modal-body h4 {
    font-size: 18px;
    font-weight: bold;
    color: #1e293b;
    margin-bottom: 16px;
}

.modal-body p {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 0;
}

.modal-footer {
    padding: 16px 24px 24px 24px;
    display: flex;
    gap: 12px;
    justify-content: center;
}

.modal-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 120px;
}

.modal-btn-cancel {
    background-color: #f1f5f9;
    color: #64748b;
    border: 1px solid #e2e8f0;
}

.modal-btn-cancel:hover {
    background-color: #e2e8f0;
    color: #475569;
}

.modal-btn-confirm {
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    color: white;
}

.modal-btn-confirm:hover {
    background: linear-gradient(135deg, #2a5298, #1e3c72);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30, 60, 114, 0.3);
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .line-title {
        font-size: 28px;
    }
    
    .line-button {
        padding: 15px 30px;
        font-size: 18px;
    }
    
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .features {
        padding: 60px 0;
    }
    
    .line-section {
        padding: 60px 0;
    }
    
    .line-title {
        font-size: 24px;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
    }
    
    .modal-footer {
        flex-direction: column;
        gap: 8px;
    }
    
    .modal-btn {
        width: 100%;
    }
}