/* =====================================================
   自然栽培とは ページ専用スタイル
   高級感とナチュラル感のあるデザイン
===================================================== */

/* ページ全体 */
.about-natural-page {
    background-color: #f9f7f4;
}

.about-natural-page .main-section {
    padding: 0;
}

/* ===================== ページヘッダー ===================== */
.about-natural-page .page-header {
    text-align: center;
    padding: 50px 20px 40px;
    background: linear-gradient(135deg, rgba(143, 169, 104, 0.08) 0%, rgba(255, 255, 255, 0) 100%);
    border-bottom: 1px solid rgba(143, 169, 104, 0.15);
    margin-bottom: 0;
}

.about-natural-page .page-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 32px;
    font-weight: 600;
    color: #3a3a3a;
    letter-spacing: 0.15em;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.about-natural-page .page-title .sub-title {
    font-family: 'Playfair Display', serif;
    font-size: 14px;
    font-weight: 400;
    color: #8fa968;
    letter-spacing: 0.2em;
    font-style: italic;
}

.about-natural-page .page-intro {
    font-family: 'Noto Serif JP', serif;
    font-size: 15px;
    color: #666;
    line-height: 2;
    letter-spacing: 0.08em;
}

/* ===================== ヒーローバナー ===================== */
.hero-banner {
    position: relative;
    width: 100%;
    height: 350px;
    overflow: hidden;
    border-radius: 0;
}

.hero-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.2) 0%,
        rgba(0, 0, 0, 0.5) 100%
    );
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-text {
    font-family: 'Noto Serif JP', serif;
    font-size: 28px;
    color: #fff;
    text-align: center;
    line-height: 1.8;
    letter-spacing: 0.1em;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-text .highlight {
    color: #c8e6a0;
    font-weight: 600;
}

/* ===================== コンテンツセクション共通 ===================== */
.content-section {
    padding: 60px 30px;
    border-bottom: 1px solid rgba(143, 169, 104, 0.1);
}

.content-section:last-of-type {
    border-bottom: none;
}

/* セクションタイトル */
.section-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 22px;
    font-weight: 600;
    color: #3a3a3a;
    letter-spacing: 0.1em;
    margin-bottom: 35px;
    padding-bottom: 15px;
    border-bottom: 2px solid #8fa968;
    display: flex;
    align-items: center;
    gap: 12px;
}

.title-icon {
    display: inline-block;
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #8fa968 0%, #7d9056 100%);
    border-radius: 4px;
    flex-shrink: 0;
}

/* ===================== イントロダクション ===================== */
.intro-section {
    background: linear-gradient(135deg, #f5f8f0 0%, #ffffff 100%);
}

.intro-question {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.intro-question > p:first-child {
    font-family: 'Noto Serif JP', serif;
    font-size: 20px;
    color: #4a4a4a;
    margin-bottom: 25px;
    letter-spacing: 0.08em;
}

.question-bubbles {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
}

.bubble {
    display: inline-block;
    padding: 12px 20px;
    background: #fff;
    border: 1px solid #d4dcc8;
    border-radius: 25px;
    font-size: 14px;
    color: #666;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.intro-answer {
    font-family: 'Noto Serif JP', serif;
    font-size: 16px;
    color: #4a4a4a;
    line-height: 1.9;
}

.intro-answer strong {
    color: #5a7a3a;
    font-size: 18px;
}

/* ===================== 特徴カード ===================== */
.feature-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.feature-card {
    background: 
        url('https://gigaplus.makeshop.jp/gcom373/img/texture/leaf-texture.png') center/cover no-repeat,
        linear-gradient(135deg, #fdfcfa 0%, #f8f6f2 100%);
    background-blend-mode: soft-light;
    padding: 35px 25px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(143, 169, 104, 0.15);
    position: relative;
    overflow: hidden;
}

/* テクスチャ画像がない場合のフォールバック（CSSのみで自然な模様を作成） */
.feature-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 30%, rgba(143, 169, 104, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(143, 169, 104, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(200, 180, 140, 0.03) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

.feature-card > * {
    position: relative;
    z-index: 1;
}

/* ホバー時も動かさない */
.feature-card:hover {
    transform: none !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06) !important;
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, rgba(143, 169, 104, 0.15) 0%, rgba(143, 169, 104, 0.05) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon i {
    font-size: 28px;
    color: #7d9056;
}

.feature-card h3 {
    font-family: 'Noto Serif JP', serif;
    font-size: 18px;
    font-weight: 600;
    color: #3a3a3a;
    margin-bottom: 12px;
    letter-spacing: 0.08em;
}

.feature-card p {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
}

/* ===================== 説明ボックス ===================== */
.explanation-box {
    background: #fff;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    border-left: 4px solid #8fa968;
}

.explanation-content {
    margin-bottom: 35px;
}

.explanation-content p {
    font-family: 'Noto Serif JP', serif;
    font-size: 16px;
    color: #4a4a4a;
    line-height: 2;
    margin-bottom: 15px;
}

.explanation-content strong {
    color: #5a7a3a;
    background: linear-gradient(transparent 60%, rgba(143, 169, 104, 0.2) 60%);
    padding: 0 2px;
}

/* サイクル図 */
.cycle-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    padding: 25px;
    background: linear-gradient(135deg, #f8faf5 0%, #fff 100%);
    border-radius: 8px;
}

.cycle-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 15px 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    min-width: 100px;
}

.cycle-item.highlight-item {
    background: linear-gradient(135deg, #8fa968 0%, #7d9056 100%);
}

.cycle-item.highlight-item .cycle-icon,
.cycle-item.highlight-item .cycle-label {
    color: #fff;
}

.cycle-icon {
    font-size: 24px;
    color: #8fa968;
}

.cycle-label {
    font-size: 12px;
    font-weight: 500;
    color: #555;
    white-space: nowrap;
}

.cycle-arrow {
    color: #ccc;
    font-size: 16px;
}

/* ===================== 未来セクション ===================== */
.future-section {
    background: linear-gradient(135deg, #fdfcfa 0%, #f9f7f4 100%);
}

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

.future-text p {
    font-size: 15px;
    color: #555;
    line-height: 1.9;
    margin-bottom: 20px;
}

.future-text .intro-emphasis {
    font-family: 'Noto Serif JP', serif;
    font-size: 16px;
    color: #3a3a3a;
    line-height: 2.1;
    margin-bottom: 35px;
    padding: 25px 30px;
    background: linear-gradient(135deg, rgba(143, 169, 104, 0.08) 0%, rgba(255, 255, 255, 0.5) 100%);
    border-left: 3px solid #8fa968;
    border-radius: 0 8px 8px 0;
}

.future-text .intro-emphasis strong {
    color: #5a7a3a;
}

/* 無肥料のメリットリスト */
.benefits-list {
    margin: 30px 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.benefit-item {
    background: #fff;
    border-left: 4px solid #8fa968;
    border-radius: 8px;
    padding: 20px 25px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
    transition: box-shadow 0.3s ease;
}

.benefit-item:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.benefit-header {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
}

.benefit-header i {
    color: #8fa968;
    font-size: 20px;
    margin-top: 2px;
    flex-shrink: 0;
}

.benefit-header h4 {
    font-family: 'Noto Serif JP', serif;
    font-size: 16px;
    font-weight: 600;
    color: #3a3a3a;
    line-height: 1.6;
    margin: 0;
    letter-spacing: 0.03em;
}

.benefit-header h4 .sub-label {
    display: block;
    font-size: 13px;
    font-weight: 400;
    color: #888;
    margin-top: 4px;
    letter-spacing: 0.02em;
}

.benefit-description {
    font-size: 14px;
    color: #666;
    line-height: 1.9;
    margin: 0;
    padding-left: 32px;
}

.benefit-description strong {
    color: #5a7a3a;
    font-weight: 500;
    background: linear-gradient(transparent 60%, rgba(143, 169, 104, 0.15) 60%);
    padding: 0 2px;
}

.future-quote {
    background: linear-gradient(135deg, #f0f5e8 0%, #fff 100%);
    border-left: 4px solid #8fa968;
    padding: 25px 30px;
    margin-top: 30px;
    border-radius: 0 8px 8px 0;
    font-family: 'Noto Serif JP', serif;
    font-size: 16px;
    color: #4a4a4a;
    line-height: 1.9;
    font-style: normal;
}

.future-quote strong {
    color: #5a7a3a;
    display: block;
    margin-top: 10px;
    font-size: 17px;
}

/* ===================== 定義セクション ===================== */
.definition-section {
    background: #fff;
}

.definition-box {
    background: linear-gradient(135deg, #8fa968 0%, #6a8550 100%);
    padding: 50px 40px;
    border-radius: 12px;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
}

.definition-box::before {
    content: "";
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    pointer-events: none;
}

.definition-main {
    font-family: 'Noto Serif JP', serif;
    font-size: 18px;
    color: #fff;
    line-height: 2.2;
    letter-spacing: 0.08em;
    position: relative;
    z-index: 1;
}

.definition-main strong {
    font-size: 20px;
    display: block;
    margin: 10px 0;
}

.definition-detail {
    max-width: 700px;
    margin: 0 auto;
}

.definition-detail p {
    font-size: 15px;
    color: #555;
    line-height: 2;
    margin-bottom: 20px;
}

.definition-detail strong {
    color: #4a4a4a;
}

.emphasis-text {
    text-align: center;
    font-family: 'Noto Serif JP', serif;
    font-size: 16px;
    color: #4a4a4a;
    margin-top: 30px;
}

.highlight-text {
    display: block;
    margin-top: 10px;
    font-size: 20px;
    color: #5a7a3a;
    font-weight: 600;
}

/* ===================== エピソードセクション ===================== */
.episode-section {
    background: linear-gradient(135deg, #fdfaf5 0%, #f9f7f4 100%);
}

.episode-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin-bottom: 30px;
}

.episode-card {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(143, 169, 104, 0.1);
}

.episode-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    background: linear-gradient(135deg, rgba(200, 160, 80, 0.15) 0%, rgba(200, 160, 80, 0.05) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.episode-icon i {
    font-size: 24px;
    color: #c8a050;
}

.episode-card p {
    font-family: 'Noto Serif JP', serif;
    font-size: 15px;
    color: #555;
    line-height: 1.8;
}

.episode-conclusion {
    text-align: center;
    font-family: 'Noto Serif JP', serif;
    font-size: 17px;
    color: #4a4a4a;
}

.episode-conclusion strong {
    color: #5a7a3a;
}

/* ===================== 基準セクション ===================== */
.standards-section {
    background: #fff;
}

.standards-list {
    list-style: none;
    padding: 0;
    max-width: 700px;
    margin: 0 auto;
}

.standards-list li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px 0;
    border-bottom: 1px solid rgba(143, 169, 104, 0.15);
}

.standards-list li:last-child {
    border-bottom: none;
}

.standard-icon {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #8fa968 0%, #7d9056 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.standard-icon i {
    color: #fff;
    font-size: 12px;
}

.standard-text {
    font-size: 15px;
    color: #555;
    line-height: 1.7;
}

/* ===================== 締めのメッセージ ===================== */
.closing-section {
    background: linear-gradient(135deg, #f5f8f0 0%, #fff 100%);
    padding: 70px 30px;
}

.closing-message {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.closing-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, rgba(143, 169, 104, 0.2) 0%, rgba(143, 169, 104, 0.08) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.closing-icon i {
    font-size: 36px;
    color: #7d9056;
}

.closing-message h3 {
    font-family: 'Noto Serif JP', serif;
    font-size: 20px;
    font-weight: 600;
    color: #3a3a3a;
    margin-bottom: 25px;
    letter-spacing: 0.1em;
}

.closing-message p {
    font-family: 'Noto Serif JP', serif;
    font-size: 15px;
    color: #555;
    line-height: 2;
    margin-bottom: 15px;
}

.closing-message strong {
    color: #4a4a4a;
}

/* ===================== CTAボタン ===================== */
.cta-section {
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 50px 30px 60px;
    flex-wrap: wrap;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 35px;
    border-radius: 30px;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-decoration: none;
    transition: all 0.3s ease;
}

.cta-button.primary {
    background: linear-gradient(135deg, #8fa968 0%, #7d9056 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(143, 169, 104, 0.3);
}

.cta-button.primary:hover {
    background: linear-gradient(135deg, #7d9056 0%, #6a8044 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(143, 169, 104, 0.4);
}

.cta-button.secondary {
    background: #fff;
    color: #7d9056;
    border: 2px solid #8fa968;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.cta-button.secondary:hover {
    background: #f8faf5;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

/* ===================== レスポンシブ ===================== */
@media (max-width: 900px) {
    .feature-cards {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .episode-cards {
        grid-template-columns: 1fr;
    }
    
    .cycle-diagram {
        flex-direction: column;
    }
    
    .cycle-arrow {
        transform: rotate(90deg);
    }
}

@media (max-width: 768px) {
    .about-natural-page .page-title {
        font-size: 26px;
    }
    
    .hero-banner {
        height: 280px;
    }
    
    .hero-text {
        font-size: 22px;
        padding: 0 20px;
    }
    
    .content-section {
        padding: 45px 20px;
    }
    
    .section-title {
        font-size: 19px;
    }
    
    .explanation-box {
        padding: 25px 20px;
    }
    
    .definition-box {
        padding: 35px 25px;
    }
    
    .definition-main {
        font-size: 16px;
    }
    
    .definition-main strong {
        font-size: 18px;
    }
    
    .cta-section {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-button {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .about-natural-page .page-header {
        padding: 35px 15px 30px;
    }
    
    .about-natural-page .page-title {
        font-size: 22px;
    }
    
    .about-natural-page .page-intro {
        font-size: 14px;
    }
    
    .hero-banner {
        height: 220px;
    }
    
    .hero-text {
        font-size: 18px;
        line-height: 1.7;
    }
    
    .content-section {
        padding: 35px 15px;
    }
    
    .section-title {
        font-size: 17px;
        gap: 10px;
    }
    
    .title-icon {
        width: 20px;
        height: 20px;
    }
    
    .question-bubbles {
        flex-direction: column;
    }
    
    .bubble {
        font-size: 13px;
    }
    
    .feature-card {
        padding: 25px 20px;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
    }
    
    .feature-icon i {
        font-size: 24px;
    }
    
    .feature-card h3 {
        font-size: 16px;
    }
    
    .cycle-item {
        padding: 12px 15px;
        min-width: 85px;
    }
    
    .cycle-icon {
        font-size: 20px;
    }
    
    .cycle-label {
        font-size: 11px;
    }
    
    .intro-emphasis {
        font-size: 14px !important;
        padding: 18px !important;
        line-height: 1.85 !important;
    }
    
    .benefit-item {
        padding: 16px 18px;
    }
    
    .benefit-header {
        gap: 10px;
    }
    
    .benefit-header i {
        font-size: 18px;
    }
    
    .benefit-header h4 {
        font-size: 14px;
    }
    
    .benefit-header h4 .sub-label {
        font-size: 11px;
        margin-top: 3px;
    }
    
    .benefit-description {
        font-size: 12px;
        padding-left: 28px;
        line-height: 1.8;
    }
    
    .future-quote {
        padding: 18px;
        font-size: 13px;
    }
    
    .future-quote strong {
        font-size: 14px;
    }
    
    .highlight-text {
        font-size: 17px;
    }
    
    .episode-card {
        padding: 25px 20px;
    }
    
    .episode-icon {
        width: 50px;
        height: 50px;
    }
    
    .episode-icon i {
        font-size: 20px;
    }
    
    .closing-icon {
        width: 65px;
        height: 65px;
    }
    
    .closing-icon i {
        font-size: 28px;
    }
    
    .closing-message h3 {
        font-size: 18px;
    }
    
    .closing-message p {
        font-size: 14px;
    }
}