/* ==========================================================================
           CSSリセット & 基本スタイル
           ========================================================================== */
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    html {
        scroll-behavior: smooth;
        /* スクロールを滑らかにする */
        scroll-padding-top: 70px;
        /* 固定ヘッダーの高さ分だけ、スクロール位置を下にずらす（数値はヘッダーに合わせて調整） */
    }

    body {
        font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
        font-size: 1rem;
        line-height: 1.7;
        color: #333333;
        background-color: #fcfcfc;
    }

    a {
        color: #d32f2f;
        /* ブランドカラーの赤 */
        text-decoration: none;
        transition: color 0.3s;
    }

    ul,
    ol {
        list-style: none;
    }

    img {
        max-width: 100%;
        height: auto;
        vertical-align: middle;
        border-radius: 4px;
    }

    /* 共通コンテナ */
    .container {
        max-width: 1100px;
        margin: 0 auto;
        padding: 0 20px;
    }

    /* ==========================================================================
           ヘッダー
           ========================================================================== */
    .site-header {
        background-color: #ffffff;
        border-bottom: 1px solid #e0e0e0;
        position: sticky;
        top: 0;
        z-index: 1000;
    }

    .header-inner {
        display: flex;
        justify-content: space-between;
        align-items: center;
        height: 70px;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }

    .logo {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .logo-img {
        height: 40px;
        /* ロゴサイズ最適化 */
        width: auto;
        border-radius: 0;
    }

    .logo-text h2 {
        font-size: 1rem;
        font-weight: bold;
        color: #1a1a1a;
        line-height: 1.2;
        display: none;
        /* 画像内にテキストが含まれているためテキストh1は隠す、または補助として残す */
    }

    .logo-text span {
        font-size: 0.8rem;
        display: block;
        color: #666;
        font-weight: normal;
        margin-bottom: 2px;
    }

    .main-nav ul {
        display: flex;
        gap: 20px;
    }

    .main-nav a {
        color: #333;
        font-weight: bold;
        font-size: 1rem;
    }

    .main-nav a:hover {
        color: #d32f2f;
        text-decoration: none;
    }
    /* ==========================================================================
           ヒーローセクション（訓練トップ用）
           ========================================================================== */
    .hero {
        position: relative;
        background-color: #000;
        color: #ffffff;
        padding: 90px 0;
        text-align: center;
        overflow: hidden;
    }

    .hero-bg-img {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        min-width: 100%;
        min-height: 100%;
        object-fit: cover;
        opacity: 0.5;
        /* office画像Background用の透過度 */
        z-index: 1;
    }

    .hero .container {
        position: relative;
        z-index: 2;
    }

    .hero h2 {
        font-size: 2rem;
        margin-bottom: 15px;
        font-weight: bold;
        letter-spacing: 2px;
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    }

    .hero p {
        font-size: 1.2rem;
        opacity: 0.95;
        max-width: 800px;
        margin: 0 auto;
        text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    }

    /* ==========================================================================
   HERO SECTION (PDFデザイン反映版)
   ========================================================================== */
    .hero-pdf-style {
        background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%);
        padding: 80px 0 60px 0;
        position: relative;
        overflow: hidden;
        border-bottom: 4px solid #d32f2f;
        /* ブランドカラーの赤で引き締め */
    }

    /* 背景にPDFのような柔らかい円の装飾（CSSのみで表現） */
    .hero-pdf-style::before {
        content: "";
        position: absolute;
        top: -100px;
        right: -100px;
        width: 400px;
        height: 400px;
        background: rgba(211, 47, 47, 0.03);
        border-radius: 50%;
        z-index: 1;
    }

    .hero-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 40px;
        position: relative;
        z-index: 2;
    }

    /* 左側テキストコンテンツ */
    .hero-text-content {
        flex: 1;
    }

    .hero-sub-badge {
        display: inline-block;
        background-color: #d32f2f;
        color: #ffffff;
        font-size: 0.9rem;
        font-weight: bold;
        padding: 4px 12px;
        border-radius: 50px;
        margin-bottom: 15px;
    }

    .hero-main-title {
        font-size: 1.85rem;
        line-height: 1.5;
        color: #1a1a1a;
        font-weight: 700;
        margin-bottom: 20px;
    }

    /* PDFの蛍光ペン風マーカー装飾 */
    .highlight-marker {
        background: linear-gradient(transparent 60%, #fff200 60%);
        font-weight: 900;
    }

    .hero-course-name {
        font-size: 2.4rem;
        font-weight: 900;
        color: #d32f2f;
        margin-bottom: 20px;
        letter-spacing: -0.5px;
    }

    .hero-lead-text {
        font-size: 1.15rem;
        line-height: 1.6;
        color: #444444;
        border-left: 4px solid #ff6600;
        /* PDFのアクセントオレンジ */
        padding-left: 15px;
        margin-bottom: 25px;
    }

    .hero-lead-text strong {
        color: #ff6600;
    }

    .hero-support-badge {
        background-color: #ffffff;
        border: 2px dashed #d32f2f;
        padding: 12px 18px;
        border-radius: 8px;
        font-size: 0.95rem;
        font-weight: bold;
        color: #333333;
        display: inline-flex;
        align-items: center;
        gap: 10px;
    }

    .hero-support-badge i {
        color: #d32f2f;
        font-size: 1.2rem;
    }

    /* 右側ビジュアルコンテンツ（78%×22%のカード） */
    .hero-visual-content {
        flex: 0 0 420px;
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .hybrid-badge-box {
        background-color: #ffffff;
        border: 3px solid #005bac;
        /* 知的な印象のブルー */
        border-radius: 16px;
        padding: 24px;
        text-align: center;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    }

    .hybrid-title {
        font-size: 1.1rem;
        font-weight: bold;
        color: #005bac;
        margin-bottom: 15px;
    }

    .hybrid-ratio-wrapper {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 12px;
        margin-bottom: 15px;
    }

    .ratio-card {
        background-color: #f5f9fc;
        border-radius: 12px;
        padding: 10px 15px;
        width: 140px;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .online-card {
        border-bottom: 5px solid #005bac;
    }

    .campus-card {
        border-bottom: 5px solid #ff6600;
    }

    .ratio-label {
        font-size: 0.85rem;
        font-weight: bold;
        color: #666666;
    }

    .ratio-number {
        font-size: 2.6rem;
        font-weight: 900;
        line-height: 1.1;
        margin-top: 5px;
    }

    .online-card .ratio-number {
        color: #005bac;
    }

    .campus-card .ratio-number {
        color: #ff6600;
    }

    .ratio-percent {
        font-size: 1.2rem;
        font-weight: 700;
        margin-left: 2px;
    }

    .ratio-x {
        font-size: 1.5rem;
        font-weight: bold;
        color: #999999;
    }

    .hybrid-note {
        font-size: 0.8rem;
        color: #666666;
    }

    /* 応募締め切りボックス */
    .hero-deadline-box {
        background-color: #ff6600;
        color: #ffffff;
        border-radius: 12px;
        padding: 12px 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 15px;
        box-shadow: 0 6px 20px rgba(255, 102, 0, 0.2);
    }

    .deadline-label {
        background-color: #ffffff;
        color: #ff6600;
        font-size: 0.85rem;
        font-weight: bold;
        padding: 2px 8px;
        border-radius: 4px;
    }

    .deadline-date {
        font-size: 1.3rem;
        font-weight: bold;
    }

    .deadline-date .day-of-week {
        font-size: 1rem;
        margin-left: 3px;
    }

    /* ==========================================================================
   レスポンシブ対応（スマホ・タブレット環境）
   ========================================================================== */
    @media screen and (max-width: 992px) {
        .hero-container {
            flex-direction: column;
            text-align: center;
            gap: 30px;
        }

        .hero-visual-content {
            width: 100%;
            max-width: 450px;
        }
    }

    @media screen and (max-width: 576px) {
        .hero-pdf-style {
            padding: 50px 0 40px 0;
        }

        .hero-main-title {
            font-size: 1.3rem;
        }

        .hero-course-name {
            font-size: 1.75rem;
        }

        .ratio-card {
            width: 110px;
        }

        .ratio-number {
            font-size: 2rem;
        }

        .deadline-date {
            font-size: 1.1rem;
        }
    }

    /* ==========================================================================
   PDFダウンロードコンポーネント
   ========================================================================== */
    /* 候補①用：ヒーロー下の幅広エリア */
    .pdf-download-area {
        background-color: #fff9f5;
        /* 優しい薄オレンジ */
        border-top: 1px solid #ffe0cc;
        border-bottom: 1px solid #ffe0cc;
        padding: 20px 0;
    }

    .pdf-download-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
    }

    .pdf-download-text {
        font-size: 1rem;
        font-weight: bold;
        color: #444444;
    }

    .pdf-download-text i {
        color: #d32f2f;
        /* PDFアイコンは赤 */
        margin-right: 5px;
        font-size: 1.2rem;
    }

    /* 共通・ダウンロードボタン */
    .btn-pdf-download {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        background-color: #ff6600;
        /* アクセントオレンジ */
        color: #ffffff !important;
        font-weight: bold;
        padding: 14px 28px;
        border-radius: 8px;
        box-shadow: 0 4px 12px rgba(255, 102, 0, 0.15);
        transition: all 0.3s ease;
        white-space: nowrap;
    }

    .btn-pdf-download:hover {
        background-color: #e05500;
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(255, 102, 0, 0.25);
    }

    /* 候補②用：セクション内に馴染むインラインボックス */
    .pdf-download-box-inline {
        max-width: 1000px;
        margin: 30px auto;
        padding: 20px;
        background-color: #ffffff;
        border: 2px solid #e0e0e0;
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
    }

    .pdf-info h3 {
        font-size: 1.1rem;
        color: #333333;
        margin-bottom: 5px;
    }

    .pdf-info h3 i {
        color: #005bac;
    }

    .pdf-info p {
        font-size: 0.9rem;
        color: #666666;
        line-height: 1.5;
    }

    .btn-pdf-download-sm {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background-color: #ffffff;
        color: #ff6600 !important;
        border: 2px solid #ff6600;
        font-weight: bold;
        padding: 10px 20px;
        border-radius: 6px;
        transition: all 0.2s ease;
        white-space: nowrap;
    }

    .btn-pdf-download-sm:hover {
        background-color: #ff6600;
        color: #ffffff !important;
    }

    /* レスポンシブ（スマホ対応） */
    @media screen and (max-width: 768px) {

        .pdf-download-container,
        .pdf-download-box-inline {
            flex-direction: column;
            text-align: center;
            padding: 20px;
        }

        .btn-pdf-download,
        .btn-pdf-download-sm {
            width: 100%;
            justify-content: center;
        }
    }

    /* ==========================================================================
           メインコンテンツ・各セクション
           ========================================================================== */
    .main-content {
        padding: 30px 0;
    }

    .section-block {
        background-color: #ffffff;
        border-radius: 8px;
        padding: 40px;
        margin-bottom: 40px;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    }

    .section-title {
        font-size: 1.4rem;
        color: #b71c1c;
        margin-bottom: 25px;
        padding-bottom: 10px;
        border-bottom: 3px solid #b71c1c;
        display: inline-block;
        line-height: 1.0;
    }

    #now_enrolling {
        background-color: #fff5f5;
        border: 2px solid #b71c1c;
    }

    /* 講座案内カード（2カラム：画像 + 案内テキスト） */
    .course-card {
        border: 1px solid #e0e0e0;
        border-radius: 6px;
        padding: 25px;
        margin-bottom: 30px;
        background-color: #fafafa;
    }

    .course-card h3 {
        font-size: 1.3rem;
        color: #333;
        margin-bottom: 15px;
        border-left: 5px solid #d32f2f;
        padding-left: 10px;
    }

    .course-body {
        display: grid;
        grid-template-columns: 1fr;
        gap: 25px;
        margin-bottom: 15px;
    }

    @media(min-width: 768px) {
        .course-body {
            grid-template-columns: 320px 1fr;
            /* 左側アセット画像、右側テキスト固定 */
        }
    }

    .course-img-wrapper {
        width: 100%;
    }

    .course-img {
        width: 100%;
        height: 180px;
        object-fit: cover;
        border: 1px solid #eaeaea;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    }

    .course-sub {
        font-weight: bold;
        color: #444;
        margin-bottom: 15px;
        font-size: 1.1rem;
    }

    .course-meta {
        display: grid;
        grid-template-columns: 1fr;
        gap: 10px;
        background-color: #ffffff;
        padding: 15px;
        border-radius: 4px;
        border: 1px solid #eaeaea;
    }

    @media(min-width: 992px) {
        .course-meta {
            grid-template-columns: auto 1fr;
        }
    }

    .meta-label {
        font-weight: bold;
        color: #ffffff;
        background-color: #555;
        padding: 2px 8px;
        border-radius: 3px;
        font-size: 1rem;
        text-align: center;
        display: inline-block;
        align-self: start;
    }

    .meta-value {
        font-size: 1rem;
        color: #333;
    }

    /* ボタン */
    .btn-container {
        text-align: right;
        margin-top: 15px;
    }

    .btn {
        display: inline-block;
        background-color: #d32f2f;
        color: #ffffff;
        padding: 12px 35px;
        font-weight: bold;
        border-radius: 4px;
        transition: background-color 0.3s;
    }

    .btn:hover {
        background-color: #b71c1c;
        color: #ffffff;
        text-decoration: none;
        transform: translateY(-3px);
    }

    /* 修了生の声（Voices Section）- Swiper用レイアウト調整 */
    #voice h3 {
        font-size: 1.2rem;
        margin: 30px 0 15px 0;
    }

    .voice-swiper {
        padding: 20px 5px 50px 5px !important;
        /* 下部ナビ用の余白 */
    }

    .voice-item {
        background-color: #ffffff;
        border-radius: 16px;
        overflow: hidden;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        height: auto;
    }

    .voice-item:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
    }

    .voice-item a {
        display: block;
        cursor: zoom-in;
        /* 虫眼鏡のカーソルにして拡大可能を明示 */
    }

    .voice-item img {
        width: 100%;
        height: auto;
        display: block;
    }

    /* Swiperのドット（ページネーション）の色をブランドカラーに */
    .swiper-pagination-bullet-active {
        background: #d32f2f !important;
    }

    /* 資格合格率（Achievements Section） */
    .achievements-section .section-title {
        color: #d32f2f;
    }

    .achievements-grid {
        display: flex;
        margin: 20px 0;
        gap: 40px;
    }

    .achievements-item {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        text-align: center;
        width: 50%;
        padding: 30px 20px;
        background-color: #fce8e8;
        color: #d32f2f;
        border-radius: 16px;
        text-shadow: none;
    }

    .achievements-section p {
        max-width: 750px;
        margin: 0 auto 10px auto;
        font-size: 1.1rem;
        font-weight: 400;
        letter-spacing: 0.05em;
        line-height: 1.8;
    }

    .achievements-section span {
        font-size: 2rem;
        color: #ff6600;
    }

    /* 求職者支援訓練とは概要 */
    .about-box {
        background-color: #fff5f5;
        border-left: 5px solid #d32f2f;
        padding: 25px;
        margin-bottom: 25px;
        border-radius: 0 4px 4px 0;
    }

    .about-box p {
        margin-bottom: 15px;
    }

    .about-box p:last-child {
        margin-bottom: 0;
    }

    h4 {
        font-size: 1.2rem;
        margin-top: 30px;
        color: #333;
    }

    /* 条件リスト */
    .target-list {
        margin-top: 20px;
    }

    .target-list li {
        position: relative;
        padding-left: 25px;
        margin-bottom: 12px;
        font-size: 1rem;
    }

    .target-list li::before {
        content: "✔";
        position: absolute;
        left: 0;
        top: 0;
        color: #d32f2f;
        font-weight: bold;
    }

    /* CTA・下部ボタン（CTA Section） */
    .cta-section {
        padding: 50px 0;
        background-color: #ffffff;
        text-align: center;
    }

    .cta-section p {
        margin-bottom: 40px;
        font-size: 1.2rem;
        color: #444444;
        font-weight: 500;
    }

    .btn-container {
        display: flex;
        justify-content: center;
    }

    .btn-external {
        display: inline-flex;
        align-items: center;
        background-color: #d32f2f;
        color: #ffffff;
        font-weight: 700;
        font-size: 1.2rem;
        padding: 20px 40px;
        border-radius: 60px;
        box-shadow: 0 10px 30px rgba(255, 152, 0, 0.35);
        transition: all 0.3s ease;
    }

    .btn-external:hover {
        background-color: #e65100;
        box-shadow: 0 15px 40px rgba(230, 81, 0, 0.5);
        transform: translateY(-3px);
    }

    .btn-external i {
        margin-right: 15px;
        font-size: 1.2rem;
    }

    ._sp {
        display: none;
    }

    /* ==========================================================================
           フッター
           ========================================================================== */
    .site-footer {
        padding: 10px 0;
        font-size: 1rem;
    }

    .footer-inner {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    @media(min-width: 768px) {
        .footer-inner {
            flex-direction: row;
            flex-grow: 2;
            justify-content: space-between;
        }
    }

    .footer-block h4 {
        font-size: 1.1rem;
        padding-bottom: 20px;
        color: #d32f2f;
    }

    .footer-block ul li {
        margin-bottom: 8px;
    }

    .copyright {
        text-align: center;
        margin-top: 40px;
        padding-top: 20px;
        border-top: 1px solid #333;
        color: #888;
        font-size: 0.9rem;
    }

    /* ==========================================================================
           モバイル用レスポンシブ調整
           ========================================================================== */
    @media (max-width: 767px) {
        .header-inner {
            flex-direction: column;
            height: auto;
            padding: 15px;
            gap: 10px;
        }

        .main-nav ul {
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px 15px;
        }

        ._pc {
            display: none;
        }

        ._sp {
            display: block;
        }

        .container {
            padding: 25px 15px;
        }

        .section-block {
            padding: 25px 15px;
        }

        .achievements-grid {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .achievements-item {
            width: 100%;
        }

        .achievements-item h3 {
            font-size: 1.1rem;
        }

        .achievements-section span {
            font-size: 1.8rem;
        }
    }

    /* ==========================================
   スマホ用アコーディオン（過去の開講コース）
   ========================================== */
    /* デフォルト（スマホ・タブレット共通）の挙動 */
    .sp-accordion {
        display: block;
        width: 100%;
    }

    /* 矢印（マーカー）を消す（Safari含む） */
    .sp-accordion summary::-webkit-details-marker {
        display: none;
    }

    .sp-accordion summary {
        display: block;
        position: relative;
        padding: 15px 20px;
        background-color: #ffffff;
        /* 背景色（サイトに合わせて調整してください） */
        border: 1px solid #ddd;
        border-radius: 5px;
        cursor: pointer;
        font-weight: bold;
        text-align: center;
        list-style: none;
        /* 標準の矢印を消す */
        margin-bottom: 15px;
    }

    /* 開閉を示すプラス・マイナスアイコンを右側に配置 */
    .sp-accordion summary::after {
        content: '+';
        position: absolute;
        right: 20px;
        top: 50%;
        transform: translateY(-50%);
        font-size: 20px;
    }

    .sp-accordion[open] summary::after {
        content: '−';
    }

    /* 開いたときの中身の余白 */
    .sp-accordion .accordion-content {
        padding-top: 10px;
    }


    /* ------------------------------------------
   PC用の記述（ブレイクポイントは既存サイトに合わせて調整してください）
   ------------------------------------------ */
    @media screen and (min-width: 768px) {

        /* PCではクリックできないようにし、ボタン風の見た目を消す */
        .sp-accordion summary {
            display: none;
            /* 開閉ボタンを隠す */
        }

        /* 万が一スマホ側で閉じられていても、PCでは常に表示させるための保険 */
        .sp-accordion {
            display: block !important;
        }

        .sp-accordion .accordion-content {
            display: block !important;
        }
    }

    /* ==========================================
   修了生の声（Swiper）の画像引き伸ばし対策
   ========================================== */
    .voice-swiper .swiper-slide a {
        display: block;
        width: 100%;
        height: 100%;
    }

    .voice-swiper .swiper-slide img {
        width: 100%;
        height: auto;
        /* 縦幅を自動計算にしてアスペクト比を維持 */
        object-fit: contain;
        /* 枠内に収まるように比率を維持 */
        max-height: 350px;
        /* 必要に応じてスマホで見やすい最大高さを制限（任意） */
        display: block;
    }

    /* 丁寧なイメージを補強するための微調整用インラインスタイル */
    .badge-info {
        display: inline-block;
        background-color: #555555;
        color: #ffffff;
        font-size: 0.85rem;
        padding: 2px 8px;
        border-radius: 3px;
        margin-bottom: 5px;
    }

    .text-notice {
        color: #d32f2f;
        font-weight: bold;
    }

    .curriculum-table {
        width: 100%;
        border-collapse: collapse;
        margin-top: 15px;
        font-size: 0.95rem;
    }

    .curriculum-table th,
    .curriculum-table td {
        border: 1px solid #e0e0e0;
        padding: 12px;
        text-align: left;
    }

    .curriculum-table th {
        background-color: #f5f5f5;
        font-weight: bold;
    }

    .step-list {
        margin: 20px 0;
        padding-left: 0;
    }

    .step-item {
        background: #fafafa;
        border: 1px solid #e0e0e0;
        border-radius: 6px;
        padding: 15px;
        margin-bottom: 15px;
        position: relative;
    }

    .step-num {
        display: inline-block;
        background: #b71c1c;
        color: #fff;
        padding: 2px 10px;
        border-radius: 3px;
        font-weight: bold;
        margin-bottom: 8px;
    }

    /* --- 今回新しく追加したアコーディオン＆横スクロール用スタイル --- */
    .curriculum-accordion {
        border: 1px solid #e0e0e0;
        border-radius: 6px;
        background: #ffffff;
        overflow: hidden;
        margin-top: 20px;
    }

    .curriculum-summary {
        background-color: #f5f5f5;
        padding: 15px 20px;
        font-weight: bold;
        font-size: 1.1rem;
        cursor: pointer;
        position: relative;
        list-style: none;
        /* デフォルトの矢印を非表示 */
    }

    .curriculum-summary::-webkit-details-marker {
        display: none;
        /* Safari用のデフォルト矢印非表示 */
    }

    /* カスタムの矢印アイコン（右端に配置） */
    .curriculum-summary::after {
        content: '\f107';
        font-family: 'Font Awesome 5 Free';
        font-weight: 900;
        position: absolute;
        right: 20px;
        top: 50%;
        transform: translateY(-50%);
        transition: transform 0.3s;
    }

    .curriculum-accordion[open] .curriculum-summary::after {
        transform: translateY(-50%) rotate(180deg);
    }

    .curriculum-content {
        padding: 20px;
        border-top: 1px solid #e0e0e0;
    }

    /* スマホ環境（画面幅767px以下）用の設定 */
    @media screen and (max-width: 767px) {
        .table-scroll-container {
            width: 100%;
            overflow-x: auto;
            /* 横スクロールを許可 */
            -webkit-overflow-scrolling: touch;
            border: 1px solid #e0e0e0;
        }

        .table-scroll-wrapper {
            width: 180%;
            /* 横幅を1.8倍にする */
        }

        .curriculum-table {
            margin-top: 0;
            table-layout: fixed;
            /* 列幅の固定・最大幅の指定を有効にする */
        }

        /* スマホ時の各列の幅制限（th, td双方に適用） */
        .curriculum-table th:nth-child(1),
        .curriculum-table tbody tr th {
            width: 30% !important;
            word-break: break-all;
            /* 枠内での折り返しを強制 */
        }

        .curriculum-table th:nth-child(3),
        .curriculum-table td:nth-child(3) {
            width: 12% !important;
            word-break: break-all;
            /* 枠内での折り返しを強制 */
        }

        /* スクロールを促すナビゲーションテキスト */
        .scroll-notice {
            display: block;
            font-size: 0.8rem;
            color: #666;
            text-align: right;
            margin-bottom: 5px;
        }
    }

    @media screen and (min-width: 768px) {
        .scroll-notice {
            display: none;
        }
    }