/* ============================================================
   Job Hunting Vitals - Official Manual Stylesheet (style.css)
   ============================================================ */

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #eff6ff;
    --color-primary-border: #bfdbfe;
    
    --color-success: #10b981;
    --color-success-light: #ecfdf5;
    --color-success-border: #a7f3d0;
    
    --color-warning: #f59e0b;
    --color-warning-light: #fffbeb;
    --color-warning-border: #fde68a;
    
    --color-danger: #ef4444;
    --color-danger-light: #fef2f2;
    --color-danger-border: #fecaca;
    
    --color-info: #0284c7;
    --color-info-light: #f0f9ff;
    --color-info-border: #bae6fd;
    
    --color-bg-page: #f8fafc;
    --color-bg-card: #ffffff;
    --color-bg-subtle: #f1f5f9;
    
    --color-text-main: #1e293b;
    --color-text-secondary: #475569;
    --color-text-muted: #64748b;
    
    --color-border: #e2e8f0;
    --color-border-dark: #cbd5e1;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

/* --- Base Reset & Typography --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--color-bg-page);
    color: var(--color-text-main);
    line-height: 1.75;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.15s ease;
}

a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* --- Layout --- */
.manual-header {
    background-color: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.manual-header-inner {
    max-width: 1040px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--color-text-main);
    text-decoration: none;
}

.header-brand-icon {
    font-size: 1.4rem;
}

.header-badge {
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
    border: 1px solid var(--color-primary-border);
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-weight: 600;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-link-app {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: var(--color-primary);
    color: #ffffff;
    padding: 7px 16px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    box-shadow: var(--shadow-sm);
    transition: background-color 0.15s ease;
}

.btn-link-app:hover {
    background-color: var(--color-primary-dark);
    color: #ffffff;
    text-decoration: none;
}

.btn-print {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: var(--color-bg-card);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border-dark);
    padding: 6px 14px;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
}

.btn-print:hover {
    background-color: var(--color-bg-subtle);
    color: var(--color-text-main);
}

.manual-container {
    max-width: 1040px;
    margin: 0 auto;
    padding: 32px 20px 80px;
}

/* --- Hero Section --- */
.hero-section {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
    color: #ffffff;
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    margin-bottom: 32px;
    box-shadow: var(--shadow-md);
}

.hero-title {
    font-size: 1.85rem;
    font-weight: 800;
    margin-bottom: 12px;
    line-height: 1.3;
}

.hero-subtitle {
    font-size: 1rem;
    opacity: 0.92;
    line-height: 1.6;
    margin-bottom: 20px;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.hero-tag-item {
    background-color: rgba(255, 255, 255, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.28);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
}

/* --- Table of Contents --- */
.toc-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 36px;
    box-shadow: var(--shadow-sm);
}

.toc-header {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}

.toc-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px 24px;
}

.toc-link {
    display: flex;
    align-items: baseline;
    gap: 8px;
    color: var(--color-text-secondary);
    font-size: 0.92rem;
    padding: 4px 0;
    border-bottom: 1px dashed var(--color-border);
    text-decoration: none;
}

.toc-link:hover {
    color: var(--color-primary);
    text-decoration: none;
    border-bottom-color: var(--color-primary);
}

.toc-num {
    background-color: var(--color-bg-subtle);
    color: var(--color-text-muted);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

/* --- Section Styling --- */
.manual-section {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    margin-bottom: 32px;
    box-shadow: var(--shadow-sm);
}

.section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: 24px;
}

.section-num {
    background-color: var(--color-primary);
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 700;
    width: 34px;
    height: 34px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.section-title {
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--color-text-main);
    line-height: 1.3;
}

.subsection-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-top: 28px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.subsection-title::before {
    content: "";
    display: inline-block;
    width: 4px;
    height: 18px;
    background-color: var(--color-primary);
    border-radius: 2px;
}

.manual-text {
    margin-bottom: 16px;
    color: var(--color-text-secondary);
}

.manual-list {
    margin-left: 24px;
    margin-bottom: 20px;
    color: var(--color-text-secondary);
}

.manual-list li {
    margin-bottom: 6px;
}

/* --- Feature Grid --- */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 20px 0;
}

.feature-box {
    background-color: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 16px;
}

.feature-icon {
    font-size: 1.75rem;
    margin-bottom: 8px;
}

.feature-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 6px;
}

.feature-desc {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* --- Step Steps Flow --- */
.step-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 16px;
    background-color: var(--color-bg-card);
}

.step-header {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 10px;
    color: var(--color-primary-dark);
}

.step-badge {
    background-color: var(--color-primary);
    color: #ffffff;
    font-size: 0.75rem;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    font-weight: 700;
}

/* --- Screenshot Container & Placeholder --- */
.screenshot-container {
    margin: 20px 0;
    text-align: center;
}

.manual-screenshot {
    display: block;
    width: 100%;
    max-width: 820px;
    margin: 0 auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-dark);
    box-shadow: var(--shadow-sm);
    background-color: var(--color-bg-subtle);
    min-height: 180px;
    object-fit: cover;
}

/* 画像が未配置（読み込み失敗時やファイルなし）のプレースホルダー代替表示 */
.manual-screenshot:not([src]),
.manual-screenshot[src=""],
.manual-screenshot[src$=".png"]:empty {
    border: 2px dashed var(--color-border-dark);
    background: repeating-linear-gradient(
        45deg,
        #f8fafc,
        #f8fafc 10px,
        #f1f5f9 10px,
        #f1f5f9 20px
    );
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.screenshot-caption {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 8px;
    display: inline-block;
}

/* --- Callout Boxes --- */
.callout {
    padding: 16px 20px;
    border-radius: var(--radius-md);
    margin: 20px 0;
    font-size: 0.92rem;
    line-height: 1.6;
    border-left: 4px solid;
}

.callout-info {
    background-color: var(--color-info-light);
    border-color: var(--color-info);
    color: #0c4a6e;
}

.callout-success {
    background-color: var(--color-success-light);
    border-color: var(--color-success);
    color: #064e3b;
}

.callout-warning {
    background-color: var(--color-warning-light);
    border-color: var(--color-warning);
    color: #78350f;
}

.callout-title {
    font-weight: 700;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.callout-link-wrap {
    margin-top: 8px;
    margin-bottom: 0;
}

/* --- Q&A / FAQ --- */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--color-bg-card);
}

.faq-q {
    background-color: var(--color-bg-subtle);
    padding: 14px 20px;
    font-weight: 700;
    font-size: 0.98rem;
    color: var(--color-text-main);
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--color-border);
}

.faq-q-badge {
    background-color: var(--color-primary);
    color: #ffffff;
    font-size: 0.8rem;
    padding: 2px 7px;
    border-radius: var(--radius-sm);
    font-weight: 700;
}

.faq-a {
    padding: 16px 20px;
    color: var(--color-text-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
}

/* --- Footer --- */
.manual-footer {
    background-color: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    padding: 32px 20px;
    text-align: center;
    margin-top: 48px;
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 16px;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .manual-container {
        padding: 20px 14px 60px;
    }

    .hero-section {
        padding: 24px 20px;
    }

    .hero-title {
        font-size: 1.45rem;
    }

    .toc-grid {
        grid-template-columns: 1fr;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .manual-section {
        padding: 20px 16px;
    }

    .section-title {
        font-size: 1.2rem;
    }

    .btn-print {
        display: none;
    }
}

/* --- Print Styles (@media print) --- */
@media print {
    body {
        background-color: #ffffff;
        color: #000000;
        font-size: 12pt;
    }

    .manual-header,
    .btn-print,
    .btn-link-app,
    .manual-footer,
    .hero-tags {
        display: none !important;
    }

    .manual-container {
        max-width: 100%;
        padding: 0;
    }

    .manual-section,
    .hero-section,
    .toc-card {
        border: none;
        box-shadow: none;
        padding: 12px 0;
        margin-bottom: 24px;
        page-break-inside: avoid;
    }

    .hero-section {
        background: none;
        color: #000000;
        border-bottom: 2px solid #000000;
        border-radius: 0;
    }

    .hero-title {
        color: #000000;
    }

    a {
        color: #000000;
        text-decoration: none;
    }

    .screenshot-container {
        page-break-inside: avoid;
    }

    .manual-screenshot {
        border: 1px solid #999999;
        box-shadow: none;
    }
}