@charset "UTF-8";

/* ============================================
建設DX点群活用クラウドプラットフォーム 個別CSS
============================================ */

/* メインビジュアル タイトル */
.c-kv-1__ttl-subtitle {
    font-size: 70%;
}

/* セクション見出し（赤） */
.section-heading-red {
    font-size: 3rem;
    font-weight: bold;
    margin: 3rem 0 2rem;
    color: #d62518;
}

/* 課題カードグリッド */
.challenge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin: 3rem 0;
}

/* 課題カード */
.challenge-card {
    background: linear-gradient(to bottom, #fff 0%, #fafafa 100%);
    padding: 3rem 2.5rem;
    border-radius: 16px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
    border-left: 6px solid #d62518;
}

/* 課題番号バッジ */
.challenge-badge {
    background: #d62518;
    color: white;
    display: inline-block;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
}

/* 課題タイトル */
.challenge-title {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    color: #333;
    line-height: 1.4;
}

/* 課題説明テキスト */
.challenge-text {
    font-size: 1.5rem;
    color: #555;
    line-height: 1.8;
}

/* 図版コンテナ */
.figure-container {
    margin: 3rem auto;
    text-align: center;
    max-width: 700px;
}

.figure-container figure {
    margin: 0 auto;
    text-align: center;
}

.figure-container img {
    width: 100%;
    border-radius: 12px;
    display: block;
    margin: 0 auto;
}

.figure-container figcaption {
    text-align: center;
    margin-top: 1rem;
}

/* 背景グレーセクション */
.bg-gray-section {
    background: #f5f5f5;
    padding: 4rem 0;
}

/* 技術グリッド */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    align-items: center;
    margin-bottom: 4rem;
}

.tech-grid-white {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    align-items: center;
    margin-bottom: 4rem;
    background: white;
    padding: 2rem;
    border-radius: 12px;
}

/* 技術コンテンツエリア */
.tech-content {
    padding: 2rem;
}

.tech-content-order-2 {
    order: 2;
    padding: 2rem;
}

/* 技術画像エリア */
.tech-image-order-1 {
    order: 1;
}

/* 技術バッジエリア */
.tech-badges {
    margin-bottom: 1.5rem;
}

/* Technology バッジ */
.tech-badge {
    display: inline-block;
    background: linear-gradient(135deg, #d62518 0%, #ff4136 100%);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 1.2rem;
    font-weight: bold;
    margin-right: 0.8rem;
}

/* ステータスバッジ - 開発中 */
.status-badge-developing {
    display: inline-block;
    background: #ff9800;
    color: white;
    padding: 0.6rem 1.5rem;
    border-radius: 20px;
    font-size: 1.1rem;
    font-weight: bold;
}

/* ステータスバッジ - 技術確立済 */
.status-badge-established {
    display: inline-block;
    background: #4caf50;
    color: white;
    padding: 0.6rem 1.5rem;
    border-radius: 20px;
    font-size: 1.1rem;
    font-weight: bold;
}

/* 技術タイトル */
.tech-title {
    font-size: 2.4rem;
    font-weight: bold;
    margin-bottom: 2rem;
    color: #333;
    line-height: 1.3;
}

.tech-title-subtitle {
    font-size: 70%;
    font-weight: normal;
}

/* 課題説明ブロック */
.tech-challenge-block {
    margin-bottom: 2rem;
}

.tech-challenge-title {
    font-weight: bold;
    font-size: 1.6rem;
    margin-bottom: 0.5rem;
    color: #555;
}

.tech-challenge-text {
    font-size: 1.6rem;
    color: #666;
}

/* 解決策ブロック */
.tech-solution-block {
    padding-left: 1.5rem;
    border-left: 4px solid #d62518;
}

.tech-solution-title {
    font-weight: bold;
    font-size: 1.8rem;
    margin-bottom: 0.2rem;
    color: #d62518;
}

.tech-solution-text {
    line-height: 1.8;
    font-size: 1.6rem;
    color: #333;
    margin-top: 0;
}

.tech-solution-note {
    font-size: 1.2rem;
    color: #888;
}

/* 技術画像 */
.tech-image {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* 活用シーンセクション */
.usecase-container {
    margin-top: 4rem;
}

.usecase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.usecase-card {
    border: 2px solid #e5e5e5;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.usecase-card-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.usecase-card-content {
    padding: 2rem;
}

.usecase-card-title {
    font-size: 2rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 1rem;
}

/* レスポンシブ対応 */
@media screen and (max-width: 767px) {
    .challenge-grid,
    .tech-grid,
    .tech-grid-white {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .challenge-card {
        padding: 2rem 1.5rem;
    }

    .challenge-title {
        font-size: 1.6rem;
    }

    .challenge-text {
        font-size: 1.4rem;
    }

    .tech-title {
        font-size: 1.8rem;
        margin-bottom: 1.5rem;
    }

    .tech-challenge-title {
        font-size: 1.4rem;
    }

    .tech-challenge-text,
    .tech-solution-text {
        font-size: 1.4rem;
    }

    .tech-content,
    .tech-content-order-2 {
        padding: 1rem;
    }

    .figure-container {
        margin: 2rem auto;
    }

    .usecase-card-title {
        font-size: 1.6rem;
    }

    .usecase-card-image {
        height: 200px;
    }

    .usecase-card-content {
        padding: 1.5rem;
    }
}