ダイアログボックス:ネオン|Dialog Box: Neon

Neon Dialog

This dialog uses neon effects. It creates a glowing impression and evokes a cyberpunk atmosphere.

HTML
<div class="container">
    <button class="dialog-btn">Neon<br>Dialog</button>     
</div>

<!-- Dialog Window -->
<div class="dialog">
    <div class="dialog-content">
        <div class="neon-header">
            <span>Neon Dialog</span>
        </div>
        <div class="neon-body">
            <p>This dialog uses neon effects. It creates a glowing impression and evokes a cyberpunk atmosphere.</p>
        </div>
        <div class="neon-footer">
            <button class="neon-btn">OK</button>
        </div>
    </div>
</div>
CSS
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f5f5f5;
}

.container {
    text-align: center;
    margin: 50px auto;
}

.dialog-btn {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    min-width: 200px;
    min-height: 60px;
    display: inline-block;
    text-align: center;
    line-height: 1.4;
    vertical-align: middle;
}

.dialog-btn:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
}

.dialog {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s;
}

.dialog-content {
    background-color: #0a0a0a;
    border-radius: 12px;
    border: 2px solid #00ffff;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.5), inset 0 0 20px rgba(0, 255, 255, 0.1);
    overflow: hidden;
    width: 80%;
    max-width: 500px;
    margin: 8% auto;
    animation: slideInFromTop 0.2s ease-out;
}

.neon-header {
    background: linear-gradient(135deg, #00ffff, #0080ff);
    color: #0a0a0a;
    padding: 20px;
    text-align: center;
    border-bottom: 2px solid #00ffff;
}

.neon-header span {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.8);
}

.neon-body {
    padding: 20px;
    background-color: #0a0a0a;
}

.neon-body p {
    margin: 0;
    line-height: 1.6;
    color: #00ffff;
    text-shadow: 0 0 5px rgba(0, 255, 255, 0.5);
}

.neon-footer {
    padding: 20px;
    text-align: center;
    background-color: #0a0a0a;
    border-top: 2px solid #00ffff;
}

.neon-btn {
    background-color: #00ffff;
    color: #0a0a0a;
    border: 2px solid #00ffff;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
    font-weight: 600;
}

.neon-btn:hover {
    background-color: #0a0a0a;
    color: #00ffff;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.8);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInFromTop {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@media (max-width: 768px) {
    .dialog-content {
        width: 90%;
        margin: 15% auto;
    }
    
    .neon-header span {
        font-size: 18px;
    }
    
    .neon-body p {
        font-size: 14px;
    }
}
JavaScript
document.addEventListener('DOMContentLoaded', function() {
    const dialogBtn = document.querySelector('.dialog-btn');
    const dialog = document.querySelector('.dialog');
    const closeBtn = document.querySelector('.neon-btn');

    dialogBtn.addEventListener('click', function() {
        dialog.style.display = 'block';
        document.body.style.overflow = 'hidden';
    });

    closeBtn.addEventListener('click', function() {
        dialog.style.display = 'none';
        document.body.style.overflow = 'auto';
    });
});
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