/* メニュー関連 */
.menu-button-container { position: fixed; top: 16px; left: 16px; z-index: 2000; }

.menu-button {
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    background: rgba(255,255,255,0.9);
    color: #333;
    font-size: 1.5em;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
}

.menu-button:hover {
    background: rgba(255,255,255,1);
    transform: scale(1.1);
    box-shadow: 0 6px 12px rgba(0,0,0,0.3);
}

.menu-overlay, .log-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.menu-overlay.hidden, .log-overlay.hidden {
    display: none;
}

.menu-content, .log-content {
    background: rgba(255,255,255,0.95);
    border-radius: 15px;
    padding: 30px;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.log-content {
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
}

.menu-header, .log-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #eee;
}

.menu-header h3, .log-header h3 {
    margin: 0;
    color: #2c3e50;
    font-size: 1.5em;
}

.close-menu-btn {
    background: none;
    border: none;
    font-size: 2em;
    color: #666;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.close-menu-btn:hover {
    background: #f0f0f0;
    color: #333;
}

.menu-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.menu-option-btn {
    padding: 15px 20px;
    border: none;
    border-radius: 10px;
    font-size: 1.1em;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    background: linear-gradient(45deg, #3498db, #2980b9);
    color: white;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.menu-option-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.3);
}

.menu-option-btn.surrender {
    background: linear-gradient(45deg, #e74c3c, #c0392b);
}

.log-sections {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.log-section {
    background: rgba(52, 152, 219, 0.1);
    padding: 15px;
    border-radius: 10px;
    border-left: 4px solid #3498db;
}

.log-section h4 {
    margin: 0 0 10px 0;
    color: #2c3e50;
    font-size: 1.1em;
}

.log-items {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.log-item {
    background: white;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.9em;
    color: #333;
    border: 1px solid #ddd;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.log-item.empty {
    color: #999;
    font-style: italic;
}

/* カード説明枠 */
.card-description {
    position: fixed;
    bottom: 20px;
    left: 20px;
    width: 25%;
    max-width: 400px;
    min-width: 300px;
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid #3498db;
    border-radius: 10px;
    padding: 15px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transition: opacity 0.3s ease;
}

.card-description.fusion-rule-description {
    border-color: #f97316;
    background:
        radial-gradient(circle at 12% 0%, rgba(255, 187, 115, 0.30), transparent 42%),
        rgba(255, 250, 242, 0.97);
    box-shadow:
        0 0 0 1px rgba(249, 115, 22, 0.24),
        0 12px 28px rgba(124, 45, 18, 0.28);
}

.card-description.fusion-rule-description .card-description-header {
    border-bottom-color: rgba(249, 115, 22, 0.32);
}

.card-description.fusion-rule-description .card-description-section h4 {
    color: #9a3412;
}

.card-description.inscription-rule-description {
    border-color: #0ea5e9;
    background:
        radial-gradient(circle at 12% 0%, rgba(125, 211, 252, 0.32), transparent 42%),
        rgba(241, 249, 255, 0.97);
    box-shadow:
        0 0 0 1px rgba(14, 165, 233, 0.24),
        0 12px 28px rgba(12, 74, 110, 0.24);
}

.card-description.inscription-rule-description .card-description-header {
    border-bottom-color: rgba(14, 165, 233, 0.32);
}

.card-description.inscription-rule-description .card-description-section h4 {
    color: #075985;
}

.card-description.ongoing-effect-description {
    border-color: #2563eb;
    background:
        radial-gradient(circle at 12% 0%, rgba(147, 197, 253, 0.28), transparent 42%),
        rgba(245, 249, 255, 0.97);
    box-shadow:
        0 0 0 1px rgba(37, 99, 235, 0.20),
        0 12px 28px rgba(30, 64, 175, 0.20);
}

.card-description.ongoing-effect-description-block {
    border-color: #dc2626;
    background:
        radial-gradient(circle at 12% 0%, rgba(252, 165, 165, 0.28), transparent 42%),
        rgba(255, 246, 246, 0.97);
    box-shadow:
        0 0 0 1px rgba(220, 38, 38, 0.18),
        0 12px 28px rgba(127, 29, 29, 0.20);
}

.card-description.ongoing-effect-description-shield {
    border-color: #16a34a;
    background:
        radial-gradient(circle at 12% 0%, rgba(134, 239, 172, 0.30), transparent 42%),
        rgba(242, 253, 246, 0.97);
    box-shadow:
        0 0 0 1px rgba(22, 163, 74, 0.18),
        0 12px 28px rgba(20, 83, 45, 0.18);
}

.card-description.ongoing-effect-description .card-description-header,
.card-description.ongoing-effect-description-block .card-description-header,
.card-description.ongoing-effect-description-shield .card-description-header {
    border-bottom-color: rgba(37, 99, 235, 0.24);
}

.card-description.ongoing-effect-description .card-description-section h4 {
    color: #1d4ed8;
}

.card-description.ongoing-effect-description-block .card-description-section h4 {
    color: #991b1b;
}

.card-description.ongoing-effect-description-shield .card-description-section h4 {
    color: #166534;
}

.card-description.hidden {
    opacity: 0;
    pointer-events: none;
}

.card-description-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 7px;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid #ddd;
}

.card-description-back {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    flex: 0 0 24px;
    border: 1px solid rgba(51, 65, 85, 0.22);
    border-radius: 999px;
    background: rgba(248, 250, 252, 0.92);
    color: #334155;
    font-size: 0.92rem;
    font-weight: 900;
    line-height: 1;
    cursor: pointer;
}

.card-description-back:hover,
.card-description-back:focus-visible {
    border-color: rgba(37, 99, 235, 0.42);
    background: rgba(219, 234, 254, 0.95);
    color: #1d4ed8;
}

.card-description-back.hidden {
    display: none;
}

.card-description-header h3 {
    flex: 1 1 auto;
    margin: 0;
    color: #2c3e50;
    font-size: 1.1em;
    min-width: 0;
}

.rarity-badge {
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.8em;
    font-weight: bold;
    color: white;
}

.rarity-badge.common {
    background: #95a5a6;
}

.rarity-badge.rare {
    background: #3498db;
}

.rarity-badge.epic {
    background: #9b59b6;
}

.rarity-badge.legendary {
    background: #f39c12;
}

.rarity-badge.special {
    background: #e11d48;
}

.rarity-badge.fusion {
    background: #f97316;
}

.rarity-badge.inscription {
    background: #0ea5e9;
}

.rarity-badge.effect {
    background: #2563eb;
}

.card-description-content {
    font-size: 0.9em;
    line-height: 1.4;
}

.card-description-section {
    margin-bottom: 10px;
}

.card-description-section h4 {
    margin: 0 0 5px 0;
    color: #34495e;
    font-size: 0.9em;
    font-weight: bold;
}

.card-description-section p {
    margin: 0;
    color: #555;
    font-size: 0.8em;
}

#card-description-effect,
#card-description-inscription {
    margin: 0;
    color: #555;
    font-size: 0.8em;
}

.card-effect-slots {
    display: grid;
    gap: 8px;
}

.card-effect-slot {
    position: relative;
    overflow: hidden;
    padding: 7px 8px 8px;
    border: 1px solid rgba(71, 85, 105, 0.22);
    border-radius: 8px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(241, 245, 249, 0.76));
    box-shadow: 0 6px 14px rgba(15, 23, 42, 0.08);
}

.card-effect-slot.is-active {
    border-color: rgba(14, 165, 233, 0.54);
    box-shadow:
        0 0 0 1px rgba(14, 165, 233, 0.16),
        0 7px 18px rgba(14, 165, 233, 0.14);
}

.card-effect-slot-inscription.is-active {
    border-color: rgba(249, 115, 22, 0.56);
    box-shadow:
        0 0 0 1px rgba(249, 115, 22, 0.16),
        0 7px 18px rgba(249, 115, 22, 0.14);
}

.card-effect-slot.is-aura-active {
    border-color: rgba(14, 165, 233, 0.9);
    background:
        radial-gradient(circle at 12% 0%, rgba(56, 189, 248, 0.42), transparent 42%),
        linear-gradient(180deg, rgba(224, 247, 255, 0.98), rgba(186, 230, 253, 0.84));
    box-shadow:
        0 0 0 2px rgba(14, 165, 233, 0.24),
        0 0 18px rgba(14, 165, 233, 0.36),
        0 8px 22px rgba(14, 165, 233, 0.22);
    animation: cardDescriptionAuraPulse 1.9s ease-in-out infinite;
}

.card-effect-slot.is-inscription-aura-active {
    border-color: rgba(236, 72, 153, 0.88);
    background:
        radial-gradient(circle at 12% 0%, rgba(244, 63, 94, 0.34), transparent 42%),
        radial-gradient(circle at 88% 0%, rgba(168, 85, 247, 0.28), transparent 42%),
        linear-gradient(180deg, rgba(255, 241, 242, 0.98), rgba(253, 224, 231, 0.86));
    box-shadow:
        0 0 0 2px rgba(236, 72, 153, 0.22),
        0 0 18px rgba(236, 72, 153, 0.34),
        0 8px 22px rgba(190, 24, 93, 0.20);
    animation: cardDescriptionInscriptionAuraPulse 1.9s ease-in-out infinite;
}

.card-effect-slot.is-condition-missing {
    border-color: rgba(148, 163, 184, 0.46);
    background:
        linear-gradient(180deg, rgba(248, 250, 252, 0.78), rgba(226, 232, 240, 0.62));
}

.card-effect-slot.is-locked {
    border-color: rgba(100, 116, 139, 0.32);
    background:
        linear-gradient(180deg, rgba(241, 245, 249, 0.76), rgba(203, 213, 225, 0.52));
}

.card-effect-slot.is-locked::before,
.card-effect-slot.is-locked::after {
    content: "";
    position: absolute;
    left: -12%;
    top: 50%;
    width: 124%;
    height: 2px;
    border-radius: 999px;
    background:
        repeating-linear-gradient(
            90deg,
            rgba(71, 85, 105, 0.62) 0 10px,
            rgba(148, 163, 184, 0.48) 10px 18px
        );
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.24);
    pointer-events: none;
}

.card-effect-slot.is-locked::before {
    transform: rotate(10deg);
}

.card-effect-slot.is-locked::after {
    transform: rotate(-10deg);
}

.card-effect-slot-meta {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 5px;
}

.card-effect-slot-badge {
    display: inline-flex;
    align-items: center;
    min-height: 18px;
    padding: 1px 6px;
    border: 1px solid rgba(100, 116, 139, 0.24);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.72);
    color: #475569;
    font-size: 0.72rem;
    font-weight: 800;
    line-height: 1.1;
}

.card-effect-slot-badge.badge-normal {
    color: #334155;
    background: rgba(226, 232, 240, 0.88);
}

.card-effect-slot-badge.badge-aura-active {
    color: #075985;
    border-color: rgba(14, 165, 233, 0.34);
    background: rgba(186, 230, 253, 0.86);
}

.card-effect-slot-badge.badge-inscription-active {
    color: #9a3412;
    border-color: rgba(249, 115, 22, 0.36);
    background: rgba(255, 237, 213, 0.88);
}

.card-effect-slot-badge.badge-locked {
    color: #475569;
    background: rgba(226, 232, 240, 0.82);
}

.card-effect-slot-badge.badge-condition-met {
    color: #166534;
    border-color: rgba(34, 197, 94, 0.3);
    background: rgba(220, 252, 231, 0.82);
}

.card-effect-slot-badge.badge-condition-missing {
    color: #92400e;
    border-color: rgba(245, 158, 11, 0.28);
    background: rgba(254, 243, 199, 0.82);
}

.card-effect-slot-body {
    position: relative;
    z-index: 1;
    color: #1f2937;
    font-size: 0.82rem;
    font-weight: 700;
    line-height: 1.42;
    white-space: pre-line;
}

.card-effect-slot.is-empty .card-effect-slot-body {
    color: #94a3b8;
    font-weight: 600;
}

@keyframes cardDescriptionAuraPulse {
    0%,
    100% {
        box-shadow:
            0 0 0 2px rgba(14, 165, 233, 0.20),
            0 0 14px rgba(14, 165, 233, 0.30),
            0 8px 20px rgba(14, 165, 233, 0.18);
    }

    50% {
        box-shadow:
            0 0 0 2px rgba(14, 165, 233, 0.34),
            0 0 24px rgba(14, 165, 233, 0.48),
            0 8px 24px rgba(14, 165, 233, 0.26);
    }
}

@keyframes cardDescriptionInscriptionAuraPulse {
    0%,
    100% {
        box-shadow:
            0 0 0 2px rgba(236, 72, 153, 0.18),
            0 0 14px rgba(236, 72, 153, 0.28),
            0 8px 20px rgba(190, 24, 93, 0.17);
    }

    50% {
        box-shadow:
            0 0 0 2px rgba(236, 72, 153, 0.32),
            0 0 24px rgba(236, 72, 153, 0.46),
            0 8px 24px rgba(190, 24, 93, 0.25);
    }
}

#card-description-fusion {
    white-space: pre-line;
}

.fusion-destination-list {
    display: grid;
    gap: 4px;
    white-space: normal;
}

.fusion-destination-line {
    display: block;
    color: inherit;
    line-height: 1.45;
}

.fusion-destination-prefix {
    color: inherit;
}

.fusion-destination-link {
    display: inline;
    margin: 0;
    padding: 0 2px;
    border: 0;
    background: transparent;
    color: #d97706;
    font: inherit;
    font-weight: 900;
    text-align: left;
    text-decoration: underline;
    text-underline-offset: 2px;
    cursor: pointer;
}

.fusion-destination-link:hover,
.fusion-destination-link:focus-visible {
    color: #b45309;
}

.fusion-destination-link:focus-visible {
    outline: 2px solid rgba(245, 158, 11, 0.6);
    outline-offset: 2px;
    border-radius: 3px;
}

.fusion-destination-link:disabled {
    color: inherit;
    cursor: default;
    text-decoration: none;
}

.card-choice-detail-section.fusion-lines p:has(.fusion-destination-list),
.deck-list-detail-section.fusion-lines p:has(.fusion-destination-list) {
    white-space: normal;
}

/* エラーメッセージ用スタイル */
.game-message.error {
    background: linear-gradient(45deg, #e74c3c, #c0392b);
    color: white;
    border: 2px solid #c0392b;
    box-shadow: 0 4px 8px rgba(231, 76, 60, 0.3);
}