/* キーボード */
.keyboard {
    display: grid;
    grid-template-columns: repeat(13, 1fr);
    gap: 8px;
    margin: 25px 0;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    padding: 20px;
    background:
            linear-gradient(145deg,
            rgba(139, 69, 19, 0.1) 0%,
            rgba(101, 67, 33, 0.2) 100%
            );
    border-radius: 15px;
    border: 1px solid rgba(139, 69, 19, 0.3);
}

.key {
    width: 55px;
    height: 55px;
    background:
            linear-gradient(145deg,
            rgba(139, 69, 19, 0.8) 0%,
            rgba(101, 67, 33, 0.9) 50%,
            rgba(62, 39, 35, 0.95) 100%
            );
    border: 2px solid rgba(0, 255, 65, 0.3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    color: #00ff41;
    transition: all 0.15s ease;
    text-shadow: 0 0 5px #00ff41;
    box-shadow:
            0 4px 8px rgba(0, 0, 0, 0.4),
            inset 0 0 10px rgba(0, 0, 0, 0.2);
    font-family: 'Courier Prime', monospace;
}

.key:hover {
    transform: translateY(-2px);
    box-shadow:
            0 6px 12px rgba(0, 0, 0, 0.6),
            0 0 15px rgba(0, 255, 65, 0.3),
            inset 0 0 10px rgba(0, 0, 0, 0.2);
    border-color: rgba(0, 255, 65, 0.6);
}

.key.pressed {
    background:
            radial-gradient(circle at center,
            rgba(255, 165, 0, 0.9) 0%,
            rgba(255, 140, 0, 0.95) 100%
            );
    color: #000;
    transform: translateY(1px) scale(0.98);
    box-shadow:
            0 2px 4px rgba(0, 0, 0, 0.8),
            0 0 20px rgba(255, 165, 0, 0.8),
            inset 0 0 10px rgba(0, 0, 0, 0.3);
    border-color: #ffa500;
    text-shadow: 0 0 8px #ffa500;
}

/* ランプボード */
.lampboard {
    display: grid;
    grid-template-columns: repeat(13, 1fr);
    gap: 8px;
    margin: 25px 0;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    padding: 20px;
    background:
            linear-gradient(145deg,
            rgba(10, 10, 10, 0.9) 0%,
            rgba(25, 35, 25, 0.9) 100%
            );
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 65, 0.4);
}

.lamp {
    width: 55px;
    height: 55px;
    background:
            radial-gradient(circle at center,
            rgba(20, 20, 20, 0.9) 0%,
            rgba(10, 10, 10, 0.95) 100%
            );
    border: 2px solid rgba(0, 255, 65, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    color: rgba(0, 255, 65, 0.3);
    transition: all 0.3s ease;
    font-family: 'Courier Prime', monospace;
    box-shadow:
            inset 0 0 15px rgba(0, 0, 0, 0.8),
            0 0 5px rgba(0, 255, 65, 0.1);
}

.lamp.lit {
    background:
            radial-gradient(circle at center,
            rgba(255, 255, 0, 0.9) 0%,
            rgba(255, 215, 0, 0.8) 30%,
            rgba(255, 165, 0, 0.7) 70%,
            rgba(255, 69, 0, 0.9) 100%
            );
    color: #000;
    box-shadow:
            0 0 30px rgba(255, 255, 0, 0.8),
            0 0 50px rgba(255, 215, 0, 0.6),
            0 0 70px rgba(255, 165, 0, 0.4),
            inset 0 0 15px rgba(255, 255, 255, 0.2);
    border-color: #ffd700;
    text-shadow: 0 0 10px rgba(255, 255, 0, 0.8);
    transform: scale(1.1);
}

/* キーボード・ランプボードのレスポンシブ対応 */
@media (min-width: 1600px) {
    .keyboard,
    .lampboard {
        max-width: 1400px;
    }

    .key,
    .lamp {
        width: 75px;
        height: 75px;
        font-size: 24px;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .keyboard,
    .lampboard {
        grid-template-columns: repeat(11, 1fr);
        gap: 7px;
        padding: 18px;
        max-width: 900px;
    }

    .key,
    .lamp {
        width: 58px;
        height: 58px;
        font-size: 18px;
    }
}

@media (min-width: 481px) and (max-width: 768px) {
    .keyboard,
    .lampboard {
        grid-template-columns: repeat(10, 1fr);
        gap: 6px;
        padding: 15px;
        max-width: 100%;
    }

    .key,
    .lamp {
        width: 50px;
        height: 50px;
        font-size: 16px;
        border-radius: 10px;
    }
}

@media (max-width: 480px) {
    .keyboard,
    .lampboard {
        grid-template-columns: repeat(8, 1fr);
        gap: 4px;
        padding: 10px;
        max-width: 100%;
    }

    .key,
    .lamp {
        width: 42px;
        height: 42px;
        font-size: 14px;
        border-radius: 8px;
    }
}

@media (max-width: 360px) {
    .keyboard,
    .lampboard {
        grid-template-columns: repeat(7, 1fr);
        gap: 3px;
        padding: 8px;
    }

    .key,
    .lamp {
        width: 36px;
        height: 36px;
        font-size: 12px;
        border-radius: 6px;
    }
}

@media (max-height: 500px) and (orientation: landscape) {
    .keyboard,
    .lampboard {
        grid-template-columns: repeat(13, 1fr);
        gap: 4px;
        padding: 10px;
    }

    .key,
    .lamp {
        width: 42px;
        height: 42px;
        font-size: 14px;
    }
}

/* タッチデバイス用の調整 */
@media (hover: none) and (pointer: coarse) {
    .key,
    .lamp {
        /* タッチしやすいサイズに調整 */
        min-width: 44px;
        min-height: 44px;
    }

    .key:hover,
    .lamp:hover {
        /* ホバー効果を無効化 */
        transform: none;
        box-shadow: inherit;
    }
}