* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fafafa;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.header {
    text-align: center;
    margin-bottom: 3rem;
}

.title {
    font-family: 'Cal Sans', sans-serif;
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease-out;
}

.subtitle {
    font-size: 1.1rem;
    color: #7f8c8d;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.main {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.status-selector h2 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    text-align: center;
}

.status-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.status-btn {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1.2rem 1.5rem;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    text-align: left;
}

.status-btn:hover {
    border-color: #3498db;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.2);
}

.status-btn.active {
    border-color: #3498db;
    background: #3498db;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.status-btn .icon {
    font-size: 1.5rem;
}

.advice-section {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.advice-section.show {
    opacity: 1;
    transform: translateY(0);
}

.advice-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid #e0e0e0;
}

.advice-card h3 {
    font-size: 1.4rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.advice-content {
    margin-bottom: 1.5rem;
}

#adviceText {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 1.5rem;
}

.techniques {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1rem;
}

.technique-tag {
    background: #ecf0f1;
    color: #2c3e50;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.technique-tag:hover {
    background: #3498db;
    color: white;
    transform: translateY(-1px);
}

.refresh-btn {
    background: #3498db;
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.refresh-btn:hover {
    background: #2980b9;
    transform: translateY(-1px);
}

.tools-section h2 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    text-align: center;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.tool-card {
    background: white;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid #e0e0e0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.tool-card h3 {
    font-size: 1.2rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.tool-card p {
    color: #7f8c8d;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.random-word-display,
.question-display,
.constraint-display {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 1rem;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    color: #2c3e50;
    text-align: center;
    border: 2px dashed #e0e0e0;
    transition: all 0.3s ease;
}

.tool-card:hover .random-word-display,
.tool-card:hover .question-display,
.tool-card:hover .constraint-display {
    border-color: #3498db;
    background: #ebf3fd;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.generating {
    animation: pulse 1s ease-in-out infinite;
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .title {
        font-size: 2rem;
    }
    
    .status-buttons {
        grid-template-columns: 1fr;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
}