/**
 * Project Diagnostic Tool Styles
 * プロジェクト診断ツールのスタイル
 */

/* ==========================================================================
   診断セクション基本スタイル
   ========================================================================== */

.project-diagnostic-section {
    padding: var(--spacing-5xl) 0;
    background: linear-gradient(135deg, var(--section-bg-white) 0%, var(--section-bg-light) 100%);
    position: relative;
}

.project-diagnostic-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(102, 126, 234, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 115, 170, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.diagnostic-header {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
    position: relative;
    z-index: 1;
}

.diagnostic-header .section-title {
    font-size: var(--font-size-3xl);
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.diagnostic-header .section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================================================
   診断ツール本体
   ========================================================================== */

.diagnostic-tool {
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    position: relative;
    z-index: 1;
}

/* ==========================================================================
   プログレスバー
   ========================================================================== */

.diagnostic-progress {
    padding: var(--spacing-xl) var(--spacing-2xl) 0;
    background: var(--section-bg-light);
}

.progress-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.progress-steps::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 0;
    right: 0;
    height: 2px;
    background: #e2e8f0;
    z-index: 0;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    position: relative;
    z-index: 1;
}

.step-number {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: #e2e8f0;
    color: #94a3b8;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    transition: all var(--transition-base);
}

.step.active .step-number {
    background: var(--color-primary);
    color: var(--color-white);
}

.step.completed .step-number {
    background: var(--color-accent);
    color: var(--color-white);
}

.step-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    text-align: center;
    font-weight: var(--font-weight-medium);
}

.step.active .step-label {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

.progress-bar {
    height: 4px;
    background: #e2e8f0;
    border-radius: var(--border-radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: var(--border-radius-full);
    transition: width 0.4s ease;
}

/* ==========================================================================
   診断ステップ
   ========================================================================== */

.diagnostic-form {
    padding: var(--spacing-2xl);
}

.diagnostic-step {
    display: none;
    animation: fadeInUp 0.4s ease;
}

.diagnostic-step.active {
    display: block;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.step-title {
    font-size: var(--font-size-2xl);
    color: var(--color-text);
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    font-weight: var(--font-weight-semibold);
}

/* ==========================================================================
   選択肢グリッド
   ========================================================================== */

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.checkbox-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.option-card {
    position: relative;
    cursor: pointer;
    display: block;
}

.option-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.option-content {
    background: var(--color-white);
    border: 2px solid #e2e8f0;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.option-card:hover .option-content {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-card);
}

.option-card input:checked + .option-content {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(0, 115, 170, 0.05) 0%, rgba(102, 126, 234, 0.05) 100%);
    box-shadow: var(--shadow-card);
}

.option-icon {
    font-size: 2.4rem;
    margin-bottom: var(--spacing-md);
}

.option-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.option-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* ==========================================================================
   2カラムオプション（予算・期間）
   ========================================================================== */

.two-column-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.column h4 {
    font-size: var(--font-size-xl);
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    font-weight: var(--font-weight-semibold);
}

.options-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.option-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border: 2px solid #e2e8f0;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.option-item:hover {
    border-color: var(--color-primary);
    background: rgba(0, 115, 170, 0.05);
}

.option-item input {
    margin: 0;
}

.option-item input:checked + .option-text {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

.option-item:has(input:checked) {
    border-color: var(--color-primary);
    background: rgba(0, 115, 170, 0.05);
}

.option-text {
    font-size: var(--font-size-base);
    color: var(--color-text);
    transition: all var(--transition-base);
}

/* ==========================================================================
   診断結果
   ========================================================================== */

.result-content {
    text-align: center;
}

.result-header {
    margin-bottom: var(--spacing-2xl);
}

.result-title {
    font-size: var(--font-size-3xl);
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    font-weight: var(--font-weight-bold);
}

.result-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
}

.result-card {
    background: linear-gradient(135deg, var(--section-bg-light) 0%, rgba(102, 126, 234, 0.05) 100%);
    border: 2px solid rgba(102, 126, 234, 0.1);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.recommended-service {
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-lg);
}

.result-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.detail-item {
    text-align: center;
}

.detail-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
}

.detail-value {
    font-size: var(--font-size-xl);
    color: var(--color-text);
    font-weight: var(--font-weight-semibold);
}

.result-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-xl);
}

.result-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
}

.result-actions .btn-primary {
    min-width: 280px;
}

.result-note {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-md);
}

/* ==========================================================================
   ナビゲーション
   ========================================================================== */

.diagnostic-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid #e2e8f0;
}

.diagnostic-navigation button {
    min-width: 120px;
}

/* ==========================================================================
   レスポンシブ対応
   ========================================================================== */

@media (max-width: 768px) {
    .project-diagnostic-section {
        padding: var(--spacing-4xl) 0;
    }
    
    .diagnostic-header .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .diagnostic-tool {
        margin: 0;
        border-radius: 0;
    }
    
    .diagnostic-progress {
        padding: var(--spacing-lg) var(--spacing-md) 0;
    }
    
    .progress-steps {
        overflow-x: auto;
        gap: var(--spacing-lg);
        padding-bottom: var(--spacing-sm);
    }
    
    .step {
        min-width: 60px;
    }
    
    .step-label {
        font-size: 10px;
        white-space: nowrap;
    }
    
    .diagnostic-form {
        padding: var(--spacing-lg);
    }
    
    .step-title {
        font-size: var(--font-size-xl);
    }
    
    .options-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .two-column-options {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .result-details {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .result-actions .btn-primary {
        min-width: 100%;
    }
    
    .diagnostic-navigation {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .diagnostic-navigation button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .option-content {
        padding: var(--spacing-md);
    }
    
    .option-icon {
        font-size: 2rem;
    }
    
    .option-title {
        font-size: var(--font-size-base);
    }
    
    .option-desc {
        font-size: var(--font-size-xs);
    }
}