/* ========================================
   LINE登録オファーセクション専用CSS
   ======================================== */

.line-offer-section {
    background: linear-gradient(135deg, #1e3a5f 0%, #2d5a8f 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.line-offer-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.05)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,165.3C1248,171,1344,149,1392,138.7L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.3;
}

.line-offer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

/* ヘッダー */
.line-offer-header {
    text-align: center;
    margin-bottom: 50px;
}

.line-offer-badge {
    display: inline-block;
    background: linear-gradient(135deg, #06C755 0%, #00B900 100%);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 20px;
    box-shadow: 0 4px 12px rgba(6, 199, 85, 0.3);
}

.line-offer-main-title {
    font-size: 2.2rem;
    font-weight: 900;
    color: white;
    line-height: 1.4;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.line-offer-main-title .gift-icon {
    color: #FFD700;
    margin-right: 10px;
}

.line-offer-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

/* コンテンツエリア */
.line-offer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 50px;
}

/* 左側：モックアップ画像 */
.line-offer-mockups {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: center;
}

.line-phone-mockup {
    flex: 0 0 auto;
    max-width: 280px;
}

.line-phone-mockup img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.4));
}

.line-pdf-mockups {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.pdf-cover {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    transform: rotate(-2deg);
    transition: transform 0.3s ease;
}

.pdf-cover:hover {
    transform: rotate(0deg) scale(1.05);
}

.pdf-cover:nth-child(2) {
    transform: rotate(2deg);
}

.pdf-cover-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 5px;
}

.pdf-cover-subtitle {
    font-size: 0.85rem;
    color: var(--accent-color);
    font-weight: 600;
}

/* 右側：特典リスト */
.line-offer-benefits {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.benefit-item {
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.benefit-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.benefit-icon {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.benefit-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: white;
    margin-bottom: 10px;
}

.benefit-description {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
}

/* CTAボタンエリア */
.line-offer-cta {
    text-align: center;
    margin-bottom: 40px;
}

.line-cta-note {
    font-size: 1.1rem;
    color: #FFD700;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.line-btn {
    display: inline-block;
    background: linear-gradient(135deg, #06C755 0%, #00B900 100%);
    color: white;
    font-size: 1.3rem;
    font-weight: 700;
    padding: 20px 50px;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(6, 199, 85, 0.4);
    transition: all 0.3s ease;
    border: 3px solid rgba(255, 255, 255, 0.3);
}

.line-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(6, 199, 85, 0.5);
    background: linear-gradient(135deg, #00B900 0%, #06C755 100%);
}

.line-btn i {
    margin-right: 12px;
    font-size: 1.5rem;
}

.line-btn-arrow {
    margin-left: 10px;
    font-size: 1rem;
}

/* 安心マイクロコピー */
.line-safety-notes {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 25px;
}

.safety-note {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.safety-note i {
    color: #06C755;
    font-size: 1.1rem;
}

/* QRコードエリア */
.line-qr-area {
    text-align: center;
    padding: 40px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    max-width: 500px;
    margin: 0 auto;
}

.qr-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 20px;
}

.qr-code-wrapper {
    background: white;
    padding: 20px;
    border-radius: 16px;
    display: inline-block;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    margin-bottom: 15px;
}

.qr-code-wrapper img {
    width: 200px;
    height: 200px;
    display: block;
}

.qr-caption {
    font-size: 0.95rem;
    color: var(--text-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.qr-caption i {
    font-size: 1.2rem;
    color: var(--primary-color);
}

/* FAQ */
.line-faq {
    margin-top: 40px;
    padding-top: 40px;
    border-top: 2px solid rgba(255, 255, 255, 0.2);
    text-align: center;
}

.line-faq-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #1e3a5f;
    text-align: center;
    margin-bottom: 30px;
    background: white;
    padding: 15px 30px;
    border-radius: 12px;
    display: inline-block;
    width: auto;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.faq-item {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 15px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    text-align: left;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.faq-question {
    font-size: 1rem;
    font-weight: 700;
    color: #1e3a5f;
    margin-bottom: 10px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.faq-question-icon {
    color: #06C755;
    flex-shrink: 0;
}

.faq-answer {
    font-size: 0.9rem;
    color: #4a5568;
    line-height: 1.7;
    padding-left: 28px;
}

/* レスポンシブ */
@media (max-width: 1200px) {
    .line-offer-main-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .line-offer-section {
        padding: 60px 0;
    }
    
    .line-offer-main-title {
        font-size: 1.6rem;
    }
    
    .line-offer-subtitle {
        font-size: 1rem;
    }
    
    .line-offer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .line-offer-mockups {
        flex-direction: column;
    }
    
    .line-offer-benefits {
        padding: 30px 20px;
    }
    
    .line-btn {
        font-size: 1.1rem;
        padding: 18px 40px;
        width: 100%;
    }
    
    .line-safety-notes {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .line-offer-main-title {
        font-size: 1.4rem;
    }
    
    .line-offer-subtitle {
        font-size: 0.95rem;
    }
    
    .line-btn {
        font-size: 1rem;
        padding: 16px 30px;
    }
    
    .qr-code-wrapper img {
        width: 180px;
        height: 180px;
    }
}