/* ========================================================================== 
   feature-rows.css (完全版：SP表示の縦長問題を根本修正)
   ========================================================================== */

/* --- 1. タイトルエリア --- */
.concept-intro-section .section-title-area {
    position: relative !important;
    width: 100% !important;
    padding: 100px 20px 40px !important;
    background-image: url('../img/background_wave01.jpg') !important;
    background-size: cover !important;
    background-position: center !important;
    background-repeat: no-repeat !important;
    background-color: #ffffff !important;
    text-align: center !important;
    box-sizing: border-box !important;
    overflow: hidden;
}

.concept-intro-section .section-title-area::before {
    content: "" !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    background-color: rgba(255, 255, 255, 0.85) !important;
    z-index: 1 !important;
}

.concept-intro-section .section-title-area > * {
    position: relative !important;
    z-index: 2 !important;
}

.concept-intro-section .lead-text {
    margin-bottom: 0 !important;
}

/* --- 2. カード部分 --- */
.feature-rows-container {
    width: 100% !important;
    background-color: #ffffff;
}

/* --- 奇数番目セクション背景カラー --- */
.feature-rows-container article.feature-row:nth-of-type(odd) {
    background-color: #f9f7f2 !important;
}

.feature-rows-container .feature-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 60px;
    margin: 0 !important;
    padding: 30px 20px !important; 
    width: 100% !important;
    box-sizing: border-box;
}

.feature-rows-container .feature-row.is-reverse {
    flex-direction: row-reverse;
}

/* 画像設定（PC） */
.feature-rows-container .feature-row-img {
    flex: 0 1 600px;
    max-width: 650px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
}

.feature-rows-container .feature-row-img img {
    width: 100%;
    height: auto;
    display: block;
}

/* テキスト設定（PC） */
.feature-rows-container .feature-row-content {
    flex: 0 1 420px;
    text-align: left;
    position: relative;
    z-index: 2;
}

.feature-rows-container .feature-row-content h3 {
    font-size: 26px;
    margin-bottom: 20px;
    color: #5e3611; /* 変更済み：青系→茶系 */
}

.feature-rows-container .row-number {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    font-size: 150px;
    font-weight: 700;
    color: rgba(166, 139, 90, 0.08); /* 変更済み：青系→茶系 */
    z-index: -1;
    font-family: serif;
}

/* --- 3. アニメーション --- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1.0s ease-out, transform 1.0s ease-out;
}

.reveal.is-visible {
    opacity: 1 !important;
    transform: translate(0, 0) !important;
}

/* --- 4. スマホ対応 (SP) : ここを根本修正しました --- */
@media (max-width: 768px) {
    .concept-intro-section .section-title-area {
        padding: 40px 15px 15px !important;
    }

    /* 各カードの縦幅を縮小 */
    .feature-rows-container .feature-row,
    .feature-rows-container .feature-row.is-reverse {
        flex-direction: column-reverse !important; /* 文字が上、画像が下 */
        gap: 10px !important; /* 文字と画像の隙間を最小限に */
        padding: 20px 15px !important; /* 上下の余白を大幅カット */
    }

    /* 画像コンテナの縦長化を防止 */
    .feature-rows-container .feature-row-img {
        width: 100% !important;
        max-width: 100% !important;
        flex: none !important; /* flexによる伸びを防止 */
        height: auto !important; /* 固定値を排除 */
        box-shadow: none !important; /* SPではスッキリさせるため影を消去 */
    }

    /* 画像自体の高さを自動にし、不自然な余白を消去 */
    .feature-rows-container .feature-row-img img {
        width: 100% !important;
        height: auto !important; 
        object-fit: cover !important; /* 絞っても画像が歪まないように設定 */
        border-radius: 4px; /* 少し角を丸めて柔らかく */
    }

    .feature-rows-container .feature-row-content {
        width: 100% !important;
        flex: none !important;
        text-align: center !important; /* 親要素で中央揃えを指定 */
        padding-top: 10px !important;
    }

    .feature-rows-container .feature-row-content h3 {
        font-size: 19px !important;
        margin-bottom: 8px !important;
        line-height: 1.4 !important;
    }
    
    /* 中見出し(h3)の中にある改行タグを非表示にする */
    .feature-rows-container .feature-row-content h3 br {
        display: none !important;
    }

    .feature-rows-container .feature-row-content p {
        font-size: 13.5px !important;
        line-height: 1.6 !important; /* 少し行間を広げると読みやすくなります */
        margin: 0 auto !important; /* 中央に配置 */
        text-align: center !important; /* 左寄せ(left)から中央(center)へ変更 */
        display: block;
    }

    /* 背景数字をさらに邪魔にならない場所へ */
    .feature-rows-container .row-number {
        font-size: 50px !important;
        top: -5px !important;
        left: 50% !important;
        transform: translateX(-50%) !important;
    }
}