/**
 * 初回表示カード専用スタイル
 * クラス名は initial-display- プレフィックスで統一
 */


/* オーバーレイ */

.initial-display-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0);
    -webkit-backdrop-filter: blur(0px);
    backdrop-filter: blur(0px);
    z-index: var(--z-popup-overlay);
    opacity: 0;
    transition: all 0.3s ease;
}

.initial-display-overlay.active {
    background-color: rgba(0, 0, 0, 0.7);
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
    opacity: 1;
}


/* カード本体 */

.initial-display-card {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    max-width: 480px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    z-index: var(--z-popup);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.initial-display-card.active {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}


/* 閉じるボタン */

.initial-display-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 24px;
    line-height: 1;
    color: #666;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.initial-display-close:hover {
    background: #ffffff;
    color: #333;
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.initial-display-close:focus {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
}


/* コンテンツコンテナ */

.initial-display-content {
    padding: 32px 24px 24px;
    overflow-y: auto;
    max-height: 90vh;
}


/* ヘッダー */

.initial-display-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.initial-display-badge {
    background: #ef4444;
    color: white;
    font-size: 11px;
    font-weight: bold;
    padding: 4px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.initial-display-date {
    color: #6b7280;
    font-size: 14px;
}


/* タイトル */

.initial-display-title {
    font-size: 24px;
    font-weight: bold;
    color: #1f2937;
    line-height: 1.3;
    margin: 0 0 16px;
}


/* 概要 */

.initial-display-excerpt {
    font-size: 16px;
    line-height: 1.6;
    color: #4b5563;
    margin: 0 0 24px;
}


/* 画像コンテナ */

.initial-display-image {
    width: calc(100% + 48px);
    margin: 0 -24px 24px;
    position: relative;
    overflow: hidden;
    background: #f3f4f6;
}

.initial-display-image img {
    width: 100%;
    height: auto;
    max-height: 240px;
    object-fit: cover;
    display: block;
}


/* CTAボタン */

.initial-display-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #2563eb;
    color: white;
    font-size: 16px;
    font-weight: 600;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.initial-display-cta:hover {
    background: #1d4ed8;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.3);
    color: white;
    text-decoration: none;
}

.initial-display-cta:focus {
    outline: 2px solid #60a5fa;
    outline-offset: 2px;
}

.initial-display-cta i {
    font-size: 14px;
    transition: transform 0.2s ease;
}

.initial-display-cta:hover i {
    transform: translateX(2px);
}


/* モバイル対応 */

@media (max-width: 640px) {
    .initial-display-card {
        max-width: calc(100% - 32px);
        margin: 16px;
    }
    .initial-display-content {
        padding: 24px 16px 20px;
    }
    .initial-display-title {
        font-size: 20px;
        margin-bottom: 12px;
    }
    .initial-display-excerpt {
        font-size: 14px;
        margin-bottom: 20px;
    }
    .initial-display-image {
        width: calc(100% + 32px);
        margin: 0 -16px 20px;
    }
    .initial-display-image img {
        max-height: 180px;
    }
    .initial-display-cta {
        font-size: 15px;
        padding: 12px 24px;
        width: 100%;
        justify-content: center;
    }
    .initial-display-close {
        width: 32px;
        height: 32px;
        font-size: 20px;
        top: 12px;
        right: 12px;
    }
}


/* アニメーション */

@keyframes initial-display-bounce {
    0% {
        transform: translate(-50%, -50%) scale(0.9);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.02);
    }
    100% {
        transform: translate(-50%, -50%) scale(1);
    }
}


/* アクセシビリティ対応 */

@media (prefers-reduced-motion: reduce) {
    .initial-display-overlay,
    .initial-display-card,
    .initial-display-close,
    .initial-display-cta {
        transition: none;
    }
    .initial-display-card.active {
        animation: none;
    }
}


/* ダークモード対応（オプション） */

@media (prefers-color-scheme: dark) {
    .initial-display-card {
        background: #1f2937;
        color: #f3f4f6;
    }
    .initial-display-title {
        color: #f9fafb;
    }
    .initial-display-excerpt {
        color: #d1d5db;
    }
    .initial-display-date {
        color: #9ca3af;
    }
    .initial-display-close {
        background: rgba(31, 41, 55, 0.9);
        color: #d1d5db;
    }
    .initial-display-close:hover {
        background: #374151;
        color: #f3f4f6;
    }
    .initial-display-image {
        background: #374151;
    }
}


/* 印刷時は非表示 */

@media print {
    .initial-display-overlay,
    .initial-display-card {
        display: none !important;
    }
}