/* 全体のスタイル設定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

section {
    padding: 60px 0;
}

.section-title {
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
}

/* プレースホルダー画像のスタイル（実際の画像に置き換える前の仮スタイル） */
.placeholder-image {
    background-color: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 20px;
    color: #666;
    font-size: 14px;
    min-height: 150px;
    margin-bottom: 15px;
    border-radius: 8px;
    width: 100%;
}

/* 1. ファーストビュー（FV） */
.fv {
    background-color: #FFFFFF;
    text-align: center;
    padding: 60px 0 40px;
}

.fv .image-box {
    max-width: 400px;
    margin: 0 auto 30px;
}

.fv .placeholder-image {
    min-height: 300px;
    background-color: #e8e8e8;
}

.main-copy {
    font-size: 32px;
    font-weight: 700;
    color: #000000;
    margin-bottom: 15px;
}

.sub-copy {
    font-size: 20px;
    font-weight: 400;
    color: #555555;
    margin-bottom: 30px;
    line-height: 1.6em;
}

.cta-button-container {
    margin: 30px 0;
    text-align: center;
}

.cta-button {
    display: inline-block;
    background-color: #FF6600;
    color: #FFFFFF;
    text-decoration: none;
    padding: 16px 24px;
    border-radius: 4px;
    font-size: 18px;
    font-weight: 500;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background-color: #E55A00;
}

/* 2. 特徴紹介セクション */
.features {
    background-color: #F5F7FA;
}

.feature-boxes {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 30px;
}

.feature-box {
    flex: 1;
    min-width: 250px;
    background-color: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    text-align: center;
}

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

.feature-icon .placeholder-image {
    min-height: 100px;
    background-color: #e5e9f0;
    margin-bottom: 20px;
}

.feature-box h3 {
    font-size: 18px;
    margin-bottom: 15px;
    font-weight: 600;
}

/* 3. ダイエットのやり方紹介 */
.how-to {
    background-color: #FFFFFF;
}

.schedule-container {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 30px;
}

.schedule-text {
    flex: 1;
    min-width: 300px;
}

.schedule-chart {
    flex: 1;
    min-width: 300px;
}

.schedule-text h3 {
    font-size: 20px;
    margin-bottom: 20px;
}

.schedule-text ul {
    list-style-position: inside;
    margin-left: 10px;
}

.schedule-text ul ul {
    margin-left: 25px;
    margin-bottom: 15px;
}

.note {
    background-color: #f8f8f8;
    padding: 15px;
    border-radius: 6px;
    font-style: italic;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

/* 4. ユーザー体験談 */
.testimonials {
    background-color: #F0F4F8;
}

.testimonial-boxes {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.testimonial-box {
    flex: 1;
    min-width: 300px;
    background-color: #fff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.testimonial-image {
    margin-bottom: 20px;
}

.testimonial-image .placeholder-image {
    min-height: 120px;
    background-color: #e5e9f0;
    margin-bottom: 20px;
}

.testimonial-box h3 {
    font-size: 18px;
    margin-bottom: 15px;
}

.testimonial-box blockquote {
    font-style: italic;
    padding: 10px 20px;
    border-left: 3px solid #ddd;
    margin-bottom: 15px;
}

/* 5. FAQセクション */
.faq {
    background-color: #FFFFFF;
}

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

.faq-item {
    display: flex;
    margin-bottom: 30px;
    background-color: #f9f9f9;
    border-radius: 8px;
    overflow: hidden;
}

.faq-icon {
    flex: 0 0 60px;
}

.faq-icon .placeholder-image {
    height: 100%;
    margin-bottom: 0;
    border-radius: 0;
    background-color: #f0f0f0;
    font-size: 24px;
    font-weight: bold;
}

.faq-content {
    flex: 1;
    padding: 20px;
}

.faq-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
    font-weight: 600;
}

/* 6. 登録案内セクション */
.registration {
    background-color: #EAF5FF;
    text-align: center;
}

.check-list {
    list-style: none;
    max-width: 600px;
    margin: 0 auto 30px;
    text-align: left;
}

.check-list li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 15px;
}

.check-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #4CAF50;
    font-weight: bold;
}

/* 7. 限定キャンペーンセクション */
.campaign {
    background-color: #FFF0F0;
    text-align: center;
}

.highlight-number {
    color: #FF0000;
    font-weight: bold;
}

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

.badge-container {
    margin: 30px auto;
    max-width: 200px;
}

.badge-container .placeholder-image {
    min-height: 100px;
    background-color: #ffe5e5;
    border-radius: 50%;
    width: 100px;
    height: 100px;
    margin: 0 auto;
}

/* 8. クロージングメッセージ */
.closing {
    background-color: #FFFFFF;
    text-align: center;
}

.closing-message {
    max-width: 700px;
    margin: 0 auto 30px;
}

.closing-message p {
    margin-bottom: 15px;
    font-size: 18px;
}

.emphasis {
    font-size: 18px;
    margin-bottom: 20px;
}

/* フッター */
footer {
    background-color: #F9FAFB;
    padding: 30px 0;
    text-align: center;
    font-size: 12px;
    color: #666;
}

footer a {
    color: #999999;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

footer p {
    margin-bottom: 10px;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .container {
        padding: 30px 15px;
    }
    
    section {
        padding: 40px 0;
    }
    
    .main-copy {
        font-size: 28px;
    }
    
    .sub-copy {
        font-size: 18px;
    }
    
    .feature-boxes, 
    .testimonial-boxes {
        flex-direction: column;
    }
    
    .feature-box, 
    .testimonial-box {
        width: 100%;
    }
    
    .cta-button {
        width: 90%;
        padding: 14px 20px;
    }
    
    .schedule-container {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .main-copy {
        font-size: 24px;
    }
    
    .section-title {
        font-size: 20px;
    }
    
    .faq-item {
        flex-direction: column;
    }
    
    .faq-icon {
        height: 50px;
    }
}