/* --- カラーパレット --- */
:root {
    --color-primary: #004d40;      /* メインカラー（深い緑） */
    --color-secondary: #ff5722;    /* アクセントカラー（オレンジ） */
    --color-cta: #2dcc70;          /* CTAボタン（明るい緑） */
    --color-text: #333333;         /* 標準テキスト */
    --color-light-bg: #f7f7f7;     /* 薄い背景色 */
    --color-white: #ffffff;        /* 白 */
}

/* --- リンク設定 --- */
a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: var(--color-secondary);
}

/* --- レイアウト（コンテナ） --- */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 15px;
}

/* --- 汎用ユーティリティ --- */
.section-padding {
    /* padding: 80px 0; */
    margin-top: 160px;
}

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

/* ================================================= */
/* アニメーション共通設定 (ふわっと表示) */
/* ================================================= */

.fade-in,
.flow-item,
.benefit-card-large,
.use-card,
.pricing-card
{
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out var(--animation-delay, 0s), 
                transform 0.8s ease-out var(--animation-delay, 0s);
}

.fade-in.visible,
.flow-item.visible,
.benefit-card-large.visible,
.use-card.visible,
.pricing-card.visible
{
    opacity: 1;
    transform: translateY(0);
}

/* --- 共通ボタン（CTA）スタイル --- */
.btn-cta-sky {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 50px;
    font-weight: bold;
    text-decoration: none;
    font-size: 20px;
    transition: all 0.3s ease;
}

.btn-primary-sky {
    background-color: var(--color-secondary); /* オレンジ */
    color: var(--color-white);
    box-shadow: 0 5px 15px rgba(255, 87, 34, 0.4);
}

.btn-primary-sky:hover {
    background-color: #e64a19;
    transform: translateY(-2px);
}

.btn-large-sky {
    font-size: 24px;
    padding: 20px 40px;
}

.btn-detail-link {
    display: inline-block;
    color: var(--color-secondary);
    font-weight: bold;
    margin-top: 15px;
}

/* --- CTAボックス（共通） --- */
.cta-box-sky {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 60px 0;
    text-align: center;
    border-radius: 8px; /* 料金セクションのCTAに合わせて調整 */
    margin-top: 60px;
}
.cta-box-sky h2 {
    color: var(--color-white);
    font-size: 34px;
    margin-bottom: 15px;
}
.cta-box-sky p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}


/* ================================================= */
/* 枝木粉砕ページ固有のスタイル */
/* ================================================= */

.bg-light-gray-machine {
    background-color: var(--color-light-bg);
    padding-top: 60px;
    padding-bottom: 70px;
}

.section-title-machine,
.type-title-machine {
    font-size: 32px;
    text-align: center;
    margin-bottom: 50px;
    color: var(--color-primary);
}

.type-title-machine i {
    color: var(--color-secondary);
    margin-right: 10px;
}

.type-description-machine {
    text-align: center;
    font-size: 17px;
    margin-bottom: 60px;
    color: #555;
}
.type-description-machine.wide-text {
    max-width: 850px;
    margin-left: auto;
    margin-right: auto;
}

/* --- ヒーローセクション --- */
.hero-chipper {
    background-color: var(--color-primary);
    color: var(--color-white);
    text-align: center;
    padding: 100px 0;
}
.hero-chipper p {
    font-size: 20px;
    color: var(--color-cta);
    font-weight: bold;
    margin-bottom: 10px;
}
.hero-chipper h1 {
    font-size: 48px;
    margin-bottom: 25px;
    color: var(--color-white);
}
.lead-text-chipper {
    font-size: 20px;
    opacity: 0.9;
    margin-bottom: 40px;
}

/* --- 導入セクション (フローチャート) --- */
.intro-chipper h2, .intro-chipper h3 {
    text-align: center;
}
.intro-chipper h2 {
    margin-bottom: 10px;
    color: var(--color-secondary);
}
.intro-chipper .strong-message {
    color: var(--color-primary);
    font-size: 26px;
    margin: 30px 0 40px;
    border-bottom: 2px solid var(--color-secondary);
    display: block;
    padding-bottom: 5px;
}

.flow-chart {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 40px;
}

.flow-item {
    flex: 0 0 250px;
    text-align: center;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: var(--color-light-bg);
}

.flow-item i {
    font-size: 40px;
    color: var(--color-cta);
    margin-bottom: 10px;
}

.flow-arrow {
    font-size: 30px;
    color: #ccc;
}

/* --- ウッドチッパーとは --- */
.chipper-definition {
    display: flex;
    align-items: center;
    gap: 40px;
}
.chipper-definition img {
    width: 45%;
    height: 300px;
    object-fit: cover;
    border-radius: 8px;
}
.chipper-text {
    width: 55%;
}
.feature-callout {
    /* font-style: italic; */
    font-weight: bold;
    color: var(--color-secondary);
    margin-top: 20px;
    padding: 10px;
    border: 1px dashed var(--color-secondary);
    border-radius: 5px;
}

/* --- メリットセクション（写真付き強調） --- */
.benefit-card-large {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-bottom: 60px;
    padding: 40px;
    background-color: var(--color-white);
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.benefit-card-large.reverse {
    flex-direction: row-reverse;
}

.benefit-card-large img {
    flex-shrink: 0;
    width: 50%;
    height: 350px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.benefit-info {
    flex-grow: 1;
}

.benefit-info h3 {
    font-size: 28px;
    color: var(--color-secondary);
    border-bottom: 3px solid var(--color-primary);
    padding-bottom: 5px;
    margin-bottom: 15px;
}

.keyword-info {
    font-weight: bold;
    color: #ff9800; /* 補足的なオレンジ */
    font-size: 16px;
    margin-bottom: 15px;
}

.benefit-small {
    text-align: center;
    padding: 30px;
    background-color: #fff9f5; /* 淡いオレンジの背景 */
    border: 1px solid #ffd8c7;
    border-radius: 8px;
    margin-top: 30px;
}
.benefit-small i {
    font-size: 30px;
    color: var(--color-secondary);
    margin-bottom: 10px;
}
.benefit-small h4 {
    color: var(--color-primary);
    font-size: 22px;
}

/* --- その他の活用法（グリッド） --- */
.uses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.use-card {
    background-color: var(--color-white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border-top: 4px solid var(--color-cta);
}

.use-card h3 {
    font-size: 20px;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.use-card h3 i {
    color: var(--color-cta);
    margin-right: 8px;
}

/* --- 料金体系 --- */
.pricing-card-group {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 60px;
}

.pricing-card {
    flex: 1 1 45%;
    max-width: 450px;
    text-align: center;
    padding: 40px 30px;
    border-radius: 10px;
    transition: transform 0.3s;
}

.primary-pricing {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 10px 20px rgba(0, 77, 64, 0.2);
}
.primary-pricing h4 {
    color: var(--color-white);
    font-size: 22px;
}

.secondary-pricing {
    background-color: var(--color-white);
    border: 2px solid var(--color-secondary);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}
.secondary-pricing h4 {
    color: var(--color-primary);
}

.price-callout {
    font-size: 18px;
    margin-top: 15px;
    opacity: 0.8;
}

.primary-pricing .price-value {
    font-size: 56px;
    font-weight: bold;
    color: var(--color-cta); /* 明るい緑 */
    margin: 5px 0 10px;
}
.secondary-pricing .price-value {
    font-size: 48px;
    font-weight: bold;
    color: var(--color-secondary);
    margin: 5px 0 10px;
}

.discount-price {
    font-size: 80px;
}

.caption-text {
    font-size: 14px;
    margin-bottom: 25px;
    line-height: 1.5;
    text-align: left;
}

.primary-pricing .btn-secondary-pricing {
    /* プライマリカード内のボタンは白文字にする */
    background-color: var(--color-cta);
    color: var(--color-white);
}

.secondary-pricing .btn-secondary-pricing {
    /* セカンダリカード内のボタンはオレンジにする */
    background-color: var(--color-secondary);
    color: var(--color-white);
}

/* --- レスポンシブ対応 --- */
@media (max-width: 992px) {
    .hero-chipper h1 {
        font-size: 40px;
    }
    .chipper-definition {
        flex-direction: column;
    }
    .chipper-definition img,
    .chipper-text {
        width: 100%;
    }
    .flow-chart {
        flex-wrap: wrap;
    }
    .flow-item {
        flex: 1 1 100%;
    }
    .flow-arrow {
        display: none;
    }
    .benefit-card-large,
    .benefit-card-large.reverse {
        flex-direction: column;
        padding: 25px;
        gap: 20px;
    }
    .benefit-card-large img {
        width: 100%;
        height: 250px;
    }
    .pricing-card-group {
        flex-direction: column;
        align-items: center;
    }
    .pricing-card {
        flex: 1 1 100%;
        max-width: 100%;
    }
    .discount-price {
        font-size: 60px;
    }
    .btn-large-sky {
        font-size: 20px;
        padding: 15px 30px;
    }
    .intro-chipper .strong-message {
        font-size: 18px;
        text-align: left !important;
    }
    .pc-only {
        display: none;
    }
}

@media (max-width: 576px) {
    .hero-chipper h1 {
        font-size: 32px;
    }
    .uses-grid {
        grid-template-columns: 1fr;
    }

    .section-padding {
        /* padding: 80px 0; */
        margin-top: 70px;
        padding-bottom: 40px;
    }

    .section-title-machine, .type-title-machine {
        font-size: 22px;
        text-align: center;
        margin-bottom: 20px;
    }

    .benefit-card-large img {
        border-radius: 0;
    }

    #what-is-chipper {
    padding-top: 50px;
    margin-top: 0;
    }

    .benefit-info h3 {
        font-size: 19px;
        padding-bottom: 5px;
        margin-bottom: 15px;
    }
}