/* ========================================
   プロジェクトカード カラー＆固有スタイル
   ======================================== */

/* ツールリンク用のスタイル */
.tool-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 15px;
}

.tool-links .view-button {
    margin: 0;
    font-size: 0.9em;
    padding: 6px 12px;
}

/* カードヘッダーの透過調整 */
.project-header {
    background-color: rgba(255, 255, 255, 0.3) !important;
}

/* プロジェクトコンテンツ部分の透明化 */
.project-content {
    background-color: transparent !important;
    background: transparent !important;
}

/* プロジェクトカード全体の更なる透明化 */
.project-card {
    background-color: rgba(255, 255, 255, 0.3) !important;
}

/* AI技術最新情報カード */
.project-card:nth-child(1) .project-header h2 {
    color: #1976d2;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
}
.project-card:nth-child(1) .project-header i {
    color: #1976d2;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
}

/* AI入門カード（元7番目） */
.project-card:nth-child(2) .project-header h2 {
    color: #7b1fa2;
    font-weight: 700;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
    font-family: 'Zen Maru Gothic', sans-serif;
    letter-spacing: 0.5px;
}
.project-card:nth-child(2) .project-header .book-icon {
    color: #7b1fa2;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
    font-size: 32px;
    transform-origin: center;
    animation: book-open-close 3s ease-in-out infinite;
}
.project-card:nth-child(2) .view-button {
    background-color: #7b1fa2 !important;
    color: white !important;
    font-weight: 600;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}
.project-card:nth-child(2) .view-button:hover {
    background-color: #6a1b9a !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(123, 31, 162, 0.3);
}

/* AI協調プログラミング入門カード（元8番目） */
.project-card:nth-child(3) .project-header h2 {
    color: #1565c0;
    font-weight: 700;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
    font-family: 'Orbitron', monospace;
    letter-spacing: 0.5px;
}
.project-card:nth-child(3) .project-header .code-icon {
    color: #1565c0;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
    font-size: 32px;
    animation: code-pulse 2s ease-in-out infinite;
}
.project-card:nth-child(3) .view-button {
    background-color: #1565c0 !important;
    color: white !important;
    font-weight: 600;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}
.project-card:nth-child(3) .view-button:hover {
    background-color: #1976d2 !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(21, 101, 192, 0.3);
}

/* 数学的アートギャラリーカード（元6番目） */
.project-card:nth-child(4) .project-header h2 {
    color: #6a1b9a;
    font-weight: 700;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
    font-family: 'Orbitron', monospace;
    letter-spacing: 1px;
}
.project-card:nth-child(4) .project-header i {
    color: #6a1b9a;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
}
.project-card:nth-child(4) .view-button {
    background-color: #6a1b9a !important;
    color: white !important;
    font-weight: 600;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}
.project-card:nth-child(4) .view-button:hover {
    background-color: #4a148c !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(106, 27, 154, 0.3);
}

/* 画像処理ツールカード（元3番目） */
.project-card:nth-child(5) .project-header h2 {
    color: #f57c00;
    font-weight: 700;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
    font-family: 'Audiowide', cursive;
    letter-spacing: 1px;
}
.project-card:nth-child(5) .project-header i {
    color: #f57c00;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
}
.project-card:nth-child(5) .view-button {
    background-color: #f57c00 !important;
    color: white !important;
    font-weight: 600;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}
.project-card:nth-child(5) .view-button:hover {
    background-color: #e65100 !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(245, 124, 0, 0.3);
}

/* テキスト処理ツールカード（元4番目） */
.project-card:nth-child(6) .project-header h2 {
    color: #0288d1;
    font-weight: 700;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
    font-family: 'Audiowide', cursive;
    letter-spacing: 1px;
}
.project-card:nth-child(6) .project-header i {
    color: #0288d1;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
}
.project-card:nth-child(6) .view-button {
    background-color: #0288d1 !important;
    color: white !important;
    font-weight: 600;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}
.project-card:nth-child(6) .view-button:hover {
    background-color: #0277bd !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(2, 136, 209, 0.3);
}

/* 赤シート式英語動詞学習カード（元5番目） */
.project-card:nth-child(7) .project-header h2 {
    color: #dc143c;
    font-weight: 700;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
}
.project-card:nth-child(7) .project-header i {
    color: #dc143c;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
}
.project-card:nth-child(7) .view-button {
    background-color: #dc143c !important;
    color: white !important;
    font-weight: 600;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}
.project-card:nth-child(7) .view-button:hover {
    background-color: #b71c1c !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(220, 20, 60, 0.3);
}

/* はとはとブログカード（元2番目、最後） */
.project-card:nth-child(8) .project-header h2 {
    color: #2e7d32;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
}
.project-card:nth-child(8) .project-header i {
    color: #2e7d32;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
}

/* モバイル用のスタイル */
@media (max-width: 768px) {
    .project-grid {
        grid-template-columns: 1fr;
    }
    
    /* フッターのモバイル対応 */
    .footer-links {
        display: flex;
        flex-direction: column;
        align-items: center;
        line-height: 2.5;
    }
    
    .footer-links a {
        padding: 8px 16px;
        display: block;
    }
    
    /* 区切り文字を非表示 */
    footer br,
    footer span {
        display: none;
    }
    
    /* モバイルで右側のロゴを非表示 */
    .logo-image-right {
        display: none;
    }
}