/* ========================================
   リセット & 基本設定
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* カラーパレット */
    --color-navy: #1a1f36;
    --color-coral: #f97316;
    --color-off-white: #f8f9fa;
    --color-charcoal: #2d3748;
    --color-gray-light: #e2e8f0;
    --color-gray-medium: #94a3b8;
    --color-white: #ffffff;
    
    /* フォント */
    --font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* スペーシング */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* ブレークポイント */
    --breakpoint-mobile: 768px;
}

html {
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-off-white);
    color: var(--color-charcoal);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   レイアウト
   ======================================== */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

.page {
    display: none;
    min-height: 100vh;
    padding: var(--spacing-lg) 0;
}

.page.active {
    display: block;
}

/* ========================================
   ヘッダー
   ======================================== */
.site-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.site-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: var(--spacing-xs);
    letter-spacing: 0.02em;
}

.site-subtitle {
    font-size: 1.125rem;
    color: var(--color-coral);
    font-weight: 500;
    letter-spacing: 0.1em;
}

/* ========================================
   イントロセクション
   ======================================== */
.intro-section {
    background: var(--color-white);
    border-radius: 16px;
    padding: var(--spacing-2xl) var(--spacing-xl);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.08);
}

.intro-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-navy);
    text-align: center;
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

.intro-description {
    text-align: center;
    font-size: 1rem;
    color: var(--color-charcoal);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.intro-features {
    margin: var(--spacing-xl) 0;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-off-white);
    border-radius: 12px;
    transition: transform 0.2s ease;
}

.feature-item:hover {
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 2rem;
    margin-right: var(--spacing-md);
    flex-shrink: 0;
}

.feature-text h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: var(--spacing-xs);
}

.feature-text p {
    font-size: 0.9375rem;
    color: var(--color-gray-medium);
    line-height: 1.6;
}

.intro-meta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-md);
    background: var(--color-off-white);
    border-radius: 8px;
}

.intro-meta p {
    font-size: 1rem;
    color: var(--color-charcoal);
    font-weight: 500;
}

/* ========================================
   ボタン
   ======================================== */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-family);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--color-coral);
    color: var(--color-white);
}

.btn-primary:hover:not(:disabled) {
    background-color: #ea580c;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}

.btn-primary:disabled {
    background-color: var(--color-gray-light);
    color: var(--color-gray-medium);
    cursor: not-allowed;
}

.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-navy);
    border: 2px solid var(--color-navy);
}

.btn-secondary:hover {
    background-color: var(--color-navy);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.125rem;
    display: block;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.btn-icon .btn-icon {
    font-size: 1.25rem;
}

/* ========================================
   診断ページ
   ======================================== */
.quiz-header {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.quiz-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-navy);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.progress-container {
    max-width: 500px;
    margin: 0 auto;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background-color: var(--color-gray-light);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
}

.progress-fill {
    height: 100%;
    background-color: var(--color-coral);
    transition: width 0.3s ease;
    border-radius: 4px;
}

.progress-text {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-gray-medium);
    font-weight: 500;
}

.question-card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.08);
}

.question-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
    text-align: center;
}

.options-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

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

.option-label input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.option-text {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--color-off-white);
    border: 2px solid transparent;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.option-label input[type="radio"]:checked + .option-text {
    background: var(--color-white);
    border-color: var(--color-coral);
    box-shadow: 0 2px 8px rgba(249, 115, 22, 0.15);
}

.option-label:hover .option-text {
    background: var(--color-white);
    border-color: var(--color-gray-light);
}

.option-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--color-white);
    border-radius: 50%;
    font-weight: 700;
    color: var(--color-coral);
    margin-right: var(--spacing-md);
    flex-shrink: 0;
}

.option-label input[type="radio"]:checked + .option-text .option-number {
    background: var(--color-coral);
    color: var(--color-white);
}

.option-label-text {
    font-size: 1rem;
    color: var(--color-charcoal);
    font-weight: 500;
}

.quiz-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: space-between;
}

.quiz-actions .btn {
    flex: 1;
}

/* ========================================
   結果ページ
   ======================================== */
.result-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.result-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-navy);
}

.result-type-card {
    background: linear-gradient(135deg, var(--color-navy) 0%, #2d3e50 100%);
    color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: 16px;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    box-shadow: 0 8px 16px rgba(26, 31, 54, 0.2);
}

.type-code {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
    color: var(--color-coral);
}

.type-name {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.type-subtitle {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-md);
}

.type-catchphrase {
    font-size: 1.25rem;
    font-style: italic;
    opacity: 0.95;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    border-left: 4px solid var(--color-coral);
}

.result-section {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    margin-bottom: var(--spacing-md);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.result-section.alert-section {
    background: #fef3c7;
    border-left: 4px solid #f59e0b;
}

.section-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.section-content {
    font-size: 1rem;
    color: var(--color-charcoal);
    line-height: 1.8;
}

.section-content ul {
    list-style: none;
    padding-left: 0;
}

.section-content li {
    padding-left: 1.5rem;
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.section-content li::before {
    content: "•";
    position: absolute;
    left: 0.5rem;
    color: var(--color-coral);
    font-weight: 700;
}

.work-style-table {
    display: grid;
    gap: var(--spacing-sm);
}

.work-style-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--color-off-white);
    border-radius: 8px;
}

.work-style-label {
    font-weight: 600;
    color: var(--color-navy);
}

.work-style-rating {
    font-size: 1.25rem;
}

.result-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.result-actions .btn {
    flex: 1;
}

/* ========================================
   フッター
   ======================================== */
.site-footer {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--color-gray-medium);
    font-size: 0.875rem;
}

.site-footer p {
    margin-bottom: var(--spacing-xs);
}

.footer-company {
    margin-top: var(--spacing-xs);
}

.footer-company a {
    color: var(--color-coral);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.footer-company a:hover {
    color: #ea580c;
    text-decoration: underline;
}

.footer-company a {
    color: var(--color-coral);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.footer-company a:hover {
    color: var(--color-navy);
    text-decoration: underline;
}

/* ========================================
   レスポンシブデザイン
   ======================================== */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 2.5rem;
    }
    
    .container {
        padding: var(--spacing-sm);
    }
    
    .site-title {
        font-size: 1.75rem;
    }
    
    .site-subtitle {
        font-size: 1rem;
    }
    
    .intro-section {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .intro-title {
        font-size: 1.5rem;
    }
    
    .intro-description {
        font-size: 0.9375rem;
    }
    
    .feature-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .feature-icon {
        margin-right: 0;
        margin-bottom: var(--spacing-sm);
    }
    
    .intro-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .question-card {
        padding: var(--spacing-lg);
    }
    
    .question-text {
        font-size: 1.125rem;
    }
    
    .option-text {
        padding: var(--spacing-sm);
    }
    
    .option-number {
        width: 28px;
        height: 28px;
        font-size: 0.875rem;
    }
    
    .option-label-text {
        font-size: 0.9375rem;
    }
    
    .quiz-actions {
        flex-direction: column;
    }
    
    .type-code {
        font-size: 2.5rem;
    }
    
    .type-name {
        font-size: 1.75rem;
    }
    
    .type-subtitle {
        font-size: 1rem;
    }
    
    .type-catchphrase {
        font-size: 1.125rem;
    }
    
    .result-actions {
        flex-direction: column;
    }
    
    .pc-only {
        display: none;
    }
}

@media (min-width: 769px) {
    .mobile-only {
        display: none;
    }
}

/* ========================================
   アニメーション
   ======================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page.active {
    animation: fadeIn 0.4s ease;
}