/* === Base Styles === */
:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-secondary: #64748b;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-bg: #f8fafc;
  --color-card: #ffffff;
  --color-text: #1e293b;
  --color-text-light: #475569;
  /* コントラスト比改善: #64748b → #475569 (4.5:1以上を確保) */
  --color-border: #e2e8f0;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-lg: 0 4px 6px rgba(0,0,0,0.1);
}

/* === Toast Notifications === */
.toast-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 10000;
  max-width: min(420px, calc(100vw - 2rem));
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 0.75rem 0.75rem 0.9rem;
  border-radius: 10px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
}

.toast-message {
  flex: 1;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--color-text);
  word-break: break-word;
}

.toast-close {
  border: none;
  background: transparent;
  color: var(--color-text-light);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  padding: 0.15rem 0.25rem;
}

.toast-close:hover {
  color: var(--color-text);
}

.toast-success {
  border-left: 4px solid var(--color-success);
}

.toast-error {
  border-left: 4px solid var(--color-danger);
}

.toast-warning {
  border-left: 4px solid var(--color-warning);
}

.toast-info {
  border-left: 4px solid var(--color-primary);
}

.toast-hide {
  opacity: 0;
  transform: translateY(-2px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

/* === Preview Banner === */
.preview-banner {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: white;
  padding: 0.75rem 0;
  text-align: center;
  font-weight: 500;
}

.preview-banner .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.preview-badge {
  background: #fef3c7;
  color: #92400e;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
/* コントラスト比: #92400e on #fef3c7 ≈ 5.8:1 (WCAG AA準拠) */

.preview-message {
  font-size: 0.875rem;
}

.tentative-badge {
  font-size: 0.75rem;
  font-weight: normal;
  color: var(--color-text-light);
  margin-left: 0.25rem;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Hiragino Sans", "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* === Header === */
.header {
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  z-index: 100;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Header search box (input pages only) */
.site-brand .search-box {
  position: relative;
  margin: 0;
  padding: 0;
  border: none;
  margin-left: auto;
}

.site-brand .search-input-wrapper {
  min-width: 200px;
  max-width: 280px;
}

.site-brand .search-results {
  position: absolute;
  right: 0;
  top: 100%;
  min-width: 200px;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  z-index: 1000;
}

.site-brand .site-title {
  margin: 0;
}

.site-tagline {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.site-tagline .site-subtitle,
.site-tagline .site-description-ja {
  margin: 0;
}

.site-title {
  font-size: 1.5rem;
  font-weight: 700;
}

.site-title a {
  color: var(--color-primary);
  text-decoration: none;
}

.site-subtitle {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-top: 0.25rem;
}

.site-description-ja {
  font-size: 0.8125rem;
  color: var(--color-secondary);
  margin-top: 0.25rem;
}

.nav {
  margin-top: 1rem;
  display: flex;
  gap: 1rem;
}

.nav-link {
  color: var(--color-text);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  transition: background 0.2s;
}

.nav-link:hover,
.nav-link.active {
  background: var(--color-primary);
  color: white;
}

/* === Main === */
.main {
  padding: 2rem 0;
  min-height: calc(100vh - 200px);
}

/* === Hero === */
.hero {
  text-align: center;
  padding: 3rem 0;
}

.hero h1 {
  font-size: 3rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.hero h1 .tentative-badge {
  font-size: 1rem;
  vertical-align: middle;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

/* CORES略称の強調 */
.acronym-letter {
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1.15em;
}

.hero-description {
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
}

.feedback-callout {
  background: linear-gradient(135deg, #dbeafe 0%, #e0e7ff 100%);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.feedback-callout p {
  margin: 0;
  color: var(--color-primary-dark);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* === Buttons === */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
}

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

.btn-outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

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

.btn-accent {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-color: transparent;
  color: white;
}

.btn-accent:hover {
  background: linear-gradient(135deg, #5a6fd6 0%, #6a4190 100%);
  color: white;
}

/* === Section (統合ホームページ用) === */
.section {
  padding: 3rem 0;
  border-bottom: 1px solid var(--color-border);
}

.section:last-of-type {
  border-bottom: none;
}

.section h2 {
  text-align: center;
  margin-bottom: 1rem;
  font-size: 1.75rem;
}

.section-lead {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: 2rem;
  font-size: 1rem;
}

.section-cta {
  text-align: center;
  margin-top: 1.5rem;
}

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

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

/* === Features === */
.features {
  padding: 3rem 0;
}

.features h2 {
  text-align: center;
  margin-bottom: 2rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--color-card);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.feature-card h3 {
  color: var(--color-primary);
  margin-bottom: 0.75rem;
  font-size: 1.125rem;
}

.feature-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-card li {
  padding: 0.375rem 0;
  padding-left: 1.25rem;
  position: relative;
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

.feature-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: bold;
}

/* === Categories Overview === */
.categories-overview {
  padding: 3rem 0;
}

.categories-overview h2 {
  text-align: center;
  margin-bottom: 2rem;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.category-card {
  background: var(--color-card);
  padding: 1.25rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-left: 4px solid var(--color-primary);
}

.category-card h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.category-card p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: 0.5rem;
}

.item-count {
  font-size: 0.75rem;
  background: var(--color-bg);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

/* === Input Page === */
.input-page {
  max-width: 900px;
  margin: 0 auto;
}

.input-page.with-sidebar {
  max-width: 1200px;
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 2rem;
  align-items: start;
}

.input-page.with-sidebar .input-main {
  order: 1;
}

.input-page.with-sidebar .sidebar-legend {
  order: 2;
}

.input-main {
  min-width: 0;
}

.sidebar-legend {
  position: sticky;
  top: 160px;
  max-height: calc(100vh - 180px);
  overflow-y: auto;
  align-self: flex-start;
}

.sidebar-legend .legend-content {
  background: var(--color-card);
  padding: 1rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
  font-size: 0.8125rem;
}

.sidebar-legend .legend-title {
  font-size: 1rem;
  margin: 0 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.sidebar-legend .legend-description {
  font-size: 0.75rem;
  color: var(--color-text);
  line-height: 1.6;
  margin: 0 0 1rem;
  padding: 0.75rem;
  background: #f0f9ff;
  border-radius: var(--radius);
  border-left: 3px solid var(--color-primary);
}

.sidebar-legend .legend-block {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-legend .legend-block:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.sidebar-legend .legend-block-title {
  font-weight: 700;
  font-size: 0.8125rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.sidebar-legend .legend-block-content {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.sidebar-legend .legend-block-content.levels {
  flex-direction: column;
  gap: 0.25rem;
}

.sidebar-legend .legend-tag {
  background: var(--color-bg);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.6875rem;
  color: var(--color-text-light);
}

.sidebar-legend .level-item {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.75rem;
}

.sidebar-legend .level-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  background: var(--color-primary);
  color: white;
  border-radius: 4px;
  font-size: 0.6875rem;
  font-weight: 700;
}

.sidebar-legend .interest-desc {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  width: 100%;
}

.sidebar-legend .interest-desc span:last-child {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

.sidebar-legend .interest-examples {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.5rem;
  background: var(--color-bg);
  border-radius: var(--radius);
}

.sidebar-legend .interest-example {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.6875rem;
}

.sidebar-legend .interest-example .arrow {
  color: var(--color-text-light);
}

.sidebar-legend .interest-example .meaning {
  color: var(--color-primary);
  font-weight: 600;
}

/* Company Legend Styles */
.sidebar-legend .req-desc {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  margin-bottom: 0.375rem;
}

.sidebar-legend .req-desc:last-child {
  margin-bottom: 0;
}

.sidebar-legend .req-desc span:last-child {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

.legend-btn-sample.required {
  background: #b91c1c;
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.6875rem;
  font-weight: 600;
}
/* コントラスト比: white on #b91c1c ≈ 5.9:1 (WCAG AA準拠) */

.legend-btn-sample.welcome {
  background: #b45309;
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.6875rem;
  font-weight: 600;
}
/* コントラスト比: white on #b45309 ≈ 4.7:1 (WCAG AA準拠) */

.legend-btn-sample.task {
  background: #6d28d9;
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.6875rem;
  font-weight: 600;
}
/* コントラスト比: white on #6d28d9 ≈ 7.5:1 (WCAG AA準拠) */

.legend-btn-sample.inexperienced {
  background: #047857;
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.6875rem;
  font-weight: 600;
}
/* コントラスト比: white on #047857 ≈ 5.0:1 (WCAG AA準拠) */

.sidebar-legend .legend-sub-hint {
  font-size: 0.6875rem;
  color: var(--color-text-light);
  margin: 0.375rem 0 0;
  font-style: italic;
}

.sidebar-legend .legend-note-box {
  background: #fef3c7;
  padding: 0.75rem;
  border-radius: var(--radius);
  border-left: 3px solid #f59e0b;
}

.sidebar-legend .legend-note-box strong {
  display: block;
  font-size: 0.75rem;
  margin-bottom: 0.375rem;
}

.sidebar-legend .legend-note-box p {
  font-size: 0.6875rem;
  color: var(--color-text);
  margin: 0;
  line-height: 1.5;
}

/* Level Type Blocks in Legend - スクロール連動表示 */
.sidebar-legend .level-types {
  border-bottom: none;
  padding-bottom: 0;
}

.sidebar-legend .level-type-block {
  display: none;  /* デフォルトは非表示 */
  background: var(--color-bg);
  padding: 0.75rem;
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  border-left: 3px solid var(--color-border);
  transition: all 0.3s ease;
}

.sidebar-legend .level-type-block:last-child {
  margin-bottom: 0;
}

.sidebar-legend .level-type-block.active {
  display: block;  /* アクティブなものだけ表示 */
}

/* アクティブ時の強調表示 */
.sidebar-legend .level-type-block[data-level-type="tech"].active {
  border-left-color: #3b82f6;
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
}

.sidebar-legend .level-type-block[data-level-type="operation"].active {
  border-left-color: #8b5cf6;
  background: linear-gradient(135deg, #f5f3ff 0%, #ede9fe 100%);
}

.sidebar-legend .level-type-block[data-level-type="management"].active {
  border-left-color: #ec4899;
  background: linear-gradient(135deg, #fdf2f8 0%, #fce7f3 100%);
}

.sidebar-legend .level-type-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.375rem;
}

.sidebar-legend .level-type-name {
  font-weight: 600;
  font-size: 0.75rem;
  color: var(--color-text);
}

.sidebar-legend .level-type-desc {
  font-size: 0.6875rem;
  color: var(--color-text-light);
  margin: 0 0 0.5rem 0;
  line-height: 1.4;
}

.sidebar-legend .level-type-block .level-item {
  padding: 0.125rem 0;
  cursor: help;
}

.sidebar-legend .level-type-block .level-item:hover {
  background: rgba(255,255,255,0.5);
}

/* 展開可能なレベル項目 */
.sidebar-legend .level-item-expandable {
  border-bottom: 1px solid rgba(0,0,0,0.05);
  margin-bottom: 0.25rem;
  padding-bottom: 0.25rem;
}

.sidebar-legend .level-item-expandable:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.sidebar-legend .level-item-header {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0;
  cursor: pointer;
  border-radius: 4px;
  transition: background 0.15s ease;
}

.sidebar-legend .level-item-header:hover {
  background: rgba(255,255,255,0.5);
}

.sidebar-legend .level-item-header .level-label {
  flex: 1;
  font-size: 0.75rem;
}

.sidebar-legend .level-item-header .level-toggle {
  font-size: 0.625rem;
  color: var(--color-text-light);
  transition: transform 0.2s ease;
}

.sidebar-legend .level-item-expandable.expanded .level-toggle {
  transform: rotate(90deg);
}

.sidebar-legend .level-item-detail {
  display: none;
  padding: 0.5rem;
  margin: 0.25rem 0;
  background: rgba(255,255,255,0.7);
  border-radius: 6px;
  font-size: 0.6875rem;
  line-height: 1.5;
}

.sidebar-legend .level-item-expandable.expanded .level-item-detail {
  display: block;
}

.sidebar-legend .level-description {
  color: var(--color-text);
  margin: 0 0 0.5rem 0;
  font-weight: 500;
}

.sidebar-legend .level-examples {
  color: var(--color-text-light);
}

.sidebar-legend .level-examples .examples-title {
  display: block;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.25rem;
  font-size: 0.625rem;
}

.sidebar-legend .level-examples ul {
  margin: 0;
  padding-left: 1rem;
}

.sidebar-legend .level-examples li {
  margin-bottom: 0.25rem;
}

.sidebar-legend .level-examples li:last-child {
  margin-bottom: 0;
}

.sidebar-legend .legend-note {
  font-size: 0.6875rem;
  color: var(--color-text-light);
  margin-top: 0.5rem;
  font-style: italic;
}

@media (max-width: 1024px) {
  .input-page.with-sidebar {
    grid-template-columns: 1fr;
  }

  .sidebar-legend {
    position: relative;
    top: 0;
    max-height: none;
    order: -1;
  }

  .sidebar-legend .legend-content {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-start;
  }

  .sidebar-legend h3 {
    width: 100%;
  }

  .sidebar-legend .legend-section {
    margin-bottom: 0;
  }

  .sidebar-legend .legend-examples {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
  }
}

/* Input Tabs */
.input-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 2rem;
  border-bottom: 2px solid var(--color-border);
}

.input-tab {
  padding: 1rem 2rem;
  text-decoration: none;
  color: var(--color-text-light);
  font-weight: 600;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: all 0.2s;
}

.input-tab:hover {
  color: var(--color-primary);
}

.input-tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.input-description {
  color: var(--color-text-light);
  margin-bottom: 2rem;
}

.level-legend {
  background: var(--color-card);
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  margin-bottom: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
}

.level-legend h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.legend-hint {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  margin: 0.5rem 0 0;
  font-style: italic;
}

.level-legend ul {
  list-style: none;
  font-size: 0.875rem;
}

.level-legend li {
  margin-bottom: 0.25rem;
}

/* === Work Experience Section (Parent) === */
.work-experience-section {
  margin-bottom: 2rem;
}

.work-experience-header {
  padding: 1rem 1.5rem;
  background: var(--color-primary-dark, #1d4ed8);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: bold;
  line-height: 1.2;
  border-radius: var(--radius) var(--radius) 0 0;
  margin-bottom: 0;
}

.work-experience-header:hover {
  background: var(--color-primary, #2563eb);
}

.work-experience-header .toggle-icon {
  font-size: 0.875rem;
  transition: transform 0.2s;
}

.qualifications-section .section-title .toggle-icon {
  font-size: 0.875rem;
}

.work-experience-header .section-description {
  font-size: 0.875rem;
  font-weight: normal;
  color: rgba(255, 255, 255, 0.9);
  margin: 0 0 0 0.5rem;
  display: flex;
  align-items: center;
  line-height: 1.2;
}

.work-experience-content {
  padding: 1rem;
  background: #f3f6ff;
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-top: 0;
  border-radius: 0 0 var(--radius) var(--radius);
}

.work-experience-section.collapsed .work-experience-content {
  display: none;
}

.work-experience-section.collapsed .work-experience-header {
  border-radius: var(--radius);
}

.work-experience-section.collapsed .work-experience-header .toggle-icon {
  transform: rotate(-90deg);
}

.work-experience-content .skill-category {
  margin: 0 0 1rem 1rem;
  border-left: 4px solid var(--color-primary);
}

.work-experience-content .skill-category:last-child {
  margin-bottom: 0;
}
/* === Category Section === */
.category-section,
.skill-category {
  background: var(--color-card);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.category-title {
  padding: 1rem 1.5rem;
  background: var(--color-primary);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.125rem;
}

.category-title:hover {
  background: var(--color-primary-dark);
}

.toggle-icon {
  font-size: 0.75rem;
  transition: transform 0.2s;
}

.category-section.collapsed .toggle-icon,
.skill-category.collapsed .toggle-icon {
  transform: rotate(-90deg);
}

.category-description {
  font-size: 0.875rem;
  font-weight: normal;
  color: #ffffff;
  margin-left: auto;
}
/* category-titleは青背景(#2563eb)なので、白テキスト(コントラスト比4.5:1) */

/* === Level Type Badge === */
.level-type-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.level-type-badge.tech {
  background: #1d4ed8;
  color: white;
}
/* コントラスト比: white on #1d4ed8 ≈ 6.1:1 (WCAG AA準拠) */

.level-type-badge.operation {
  background: #6d28d9;
  color: white;
}
/* コントラスト比: white on #6d28d9 ≈ 7.5:1 (WCAG AA準拠) */

.level-type-badge.management {
  background: #be185d;
  color: white;
}
/* コントラスト比: white on #be185d ≈ 5.5:1 (WCAG AA準拠) */

/* Category title badge */
.category-title .level-type-badge {
  margin-left: 0.5rem;
  font-size: 0.625rem;
}

/* Skill item level type badge (for overrides) */
.skill-info .level-type-badge.small {
  font-size: 0.5625rem;
  padding: 0.125rem 0.375rem;
  margin-left: 0.375rem;
  vertical-align: middle;
}

.category-items {
  padding: 1rem;
}

.category-section.collapsed .category-items,
.skill-category.collapsed .category-items {
  display: none;
}

/* === Skill Item === */
.skill-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  border-bottom: 1px solid var(--color-border);
  gap: 1rem;
  background: var(--color-bg);
  opacity: 0.85;
  transition: all 0.2s;
}
/* opacity改善: 0.6→0.85 (アクセシビリティ向上) */

.skill-item.has-input {
  background: white;
  opacity: 1;
}

/* 業務ありがOFFの時のグレーアウト（企業側） */
.skill-item.task-disabled .skill-controls {
  opacity: 0.35;
  pointer-events: none;
}

.skill-item.task-disabled .task-btn {
  pointer-events: auto; /* 業務ありボタンは操作可能 */
  opacity: 1;
}

.skill-item:last-child {
  border-bottom: none;
}

.skill-info {
  flex: 1;
}

.skill-name {
  font-weight: 600;
  display: block;
  margin-bottom: 0.25rem;
}

.skill-id {
  /* スキルコード（NET-001等）はUIから非表示。内部キーとしては維持 */
  display: none;
}

.skill-description {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-top: 0.25rem;
}

/* === Interest Button === */
.interest-buttons {
  display: flex;
  margin-right: 0.75rem;
}

.interest-btn {
  padding: 0.375rem 0.75rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  background: white;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  color: #075985;
}
/* コントラスト改善: #0369a1 → #075985 (opacity影響下でも4.5:1以上を確保) */

.interest-btn:hover {
  border-color: #7dd3fc;
  background: #f0f9ff;
}

.interest-btn.active {
  background: #0369a1;
  border-color: #0369a1;
  color: white;
}
/* コントラスト比: white on #0369a1 ≈ 5.4:1 (WCAG AA準拠) */

/* === Skill Years === */
.skill-years {
  margin-left: 0.5rem;
}

.skill-years select {
  padding: 0.375rem 0.5rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.75rem;
  background: white;
  cursor: pointer;
}

.skill-years select:focus {
  outline: none;
  border-color: var(--color-primary);
}

.skill-years select.needs-input {
  border-color: #f59e0b;
  background: #fffbeb;
  animation: pulse-warning 2s ease-in-out infinite;
}

.skill-years select:disabled {
  background: #f1f5f9;
  color: #94a3b8;
  cursor: not-allowed;
  opacity: 0.6;
}

.skill-level input[type="radio"]:disabled + .level-label {
  opacity: 0.4;
  cursor: not-allowed;
}

.req-buttons.needs-selection {
  padding: 0.25rem;
  border-radius: var(--radius);
  background: #fffbeb;
  border: 2px solid #f59e0b;
  animation: pulse-warning 2s ease-in-out infinite;
}

@keyframes pulse-warning {
  0%, 100% { border-color: #f59e0b; }
  50% { border-color: #d97706; }
}

.skill-level.needs-input {
  padding: 0.25rem;
  border-radius: var(--radius);
  background: #fffbeb;
  border: 2px solid #f59e0b;
  animation: pulse-warning 2s ease-in-out infinite;
}

/* === Skill Level === */
.skill-level {
  display: flex;
  gap: 0.25rem;
}

.level-option {
  cursor: pointer;
}

.level-option input {
  display: none;
}

.level-label {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  font-weight: 600;
  transition: all 0.2s;
}

.level-option input:checked + .level-label {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.level-option:hover .level-label {
  border-color: var(--color-primary);
}

/* === Form Actions === */
.form-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  padding: 2rem 0;
  position: sticky;
  bottom: 0;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

/* === Modal === */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: var(--color-card);
  padding: 2rem;
  border-radius: var(--radius);
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
}

.modal-content h2 {
  margin-bottom: 1rem;
}

.modal-actions {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  margin-top: 1.5rem;
}

#preview-content {
  background: var(--color-bg);
  padding: 1rem;
  border-radius: var(--radius);
  font-family: monospace;
  font-size: 0.875rem;
  white-space: pre-wrap;
}

/* === Company Input Page === */
.legend-row {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  font-size: 0.875rem;
}

.legend-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.legend-group strong {
  margin-right: 0.25rem;
}

.legend-section {
  margin-bottom: 0.75rem;
}

.legend-btn-sample {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-right: 0.5rem;
}

.legend-btn-sample.small {
  padding: 0.125rem 0.375rem;
  font-size: 0.6875rem;
}

.legend-btn-sample.interest {
  background: #0369a1;
  color: white;
}
/* コントラスト比: white on #0369a1 ≈ 5.4:1 (WCAG AA準拠) */

.legend-examples {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.legend-example {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
}

.example-label {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  min-width: 180px;
}

.example-meaning {
  color: var(--color-text-light);
}

@media (max-width: 768px) {
  .legend-example {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
  
  .example-label {
    min-width: auto;
  }
}

.legend-note {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--color-border);
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.req-badge-inline {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-right: 0.25rem;
}

.req-badge-inline.req-required {
  background: #fee2e2;
  color: #991b1b;
}

.req-badge-inline.req-welcome {
  background: #fef3c7;
  color: #92400e;
}

/* Skill Controls - 統一レイアウト */
.skill-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.req-buttons {
  display: flex;
  gap: 0.25rem;
}

.req-btn {
  padding: 0.375rem 0.75rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  background: white;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.req-btn-required {
  color: #7f1d1d;
}
/* コントラスト改善: #991b1b → #7f1d1d (opacity影響下でも4.5:1以上を確保) */

.req-btn-required:hover {
  border-color: #fca5a5;
  background: #fef2f2;
}

.req-btn-required.active {
  background: #b91c1c;
  border-color: #b91c1c;
  color: white;
}
/* コントラスト比: white on #b91c1c ≈ 5.9:1 (WCAG AA準拠) */

.req-btn-welcome {
  color: #78350f;
}
/* コントラスト改善: #92400e → #78350f (opacity影響下でも4.5:1以上を確保) */

.req-btn-welcome:hover {
  border-color: #fcd34d;
  background: #fefce8;
}

.req-btn-welcome.active {
  background: #b45309;
  border-color: #b45309;
  color: white;
}
/* コントラスト比: white on #b45309 ≈ 4.7:1 (WCAG AA準拠) */

/* Task Button */
.task-buttons {
  display: flex;
  margin-right: 0.5rem;
}

.task-btn {
  padding: 0.375rem 0.75rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  background: white;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  color: #5b21b6;
}
/* コントラスト改善: #7c3aed → #5b21b6 (opacity影響下でも4.5:1以上を確保) */

.task-btn:hover {
  border-color: #c4b5fd;
  background: #f5f3ff;
}

.task-btn.active {
  background: #6d28d9;
  border-color: #6d28d9;
  color: white;
}
/* コントラスト比: white on #6d28d9 ≈ 7.5:1 (WCAG AA準拠) */

/* Inexperienced OK Button */
.req-btn-inexperienced {
  color: #065f46;
}
/* コントラスト改善: #059669 → #065f46 (opacity影響下でも5.5:1以上を確保) */

.req-btn-inexperienced:hover {
  border-color: #6ee7b7;
  background: #ecfdf5;
}

.req-btn-inexperienced.active {
  background: #047857;
  border-color: #047857;
  color: white;
}
/* コントラスト比: white on #047857 ≈ 5.0:1 (WCAG AA準拠) */

@media (max-width: 768px) {
  .legend-row {
    flex-direction: column;
    gap: 1rem;
  }

  .skill-controls {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}

/* === Footer === */
.footer {
  background: var(--color-card);
  border-top: 1px solid var(--color-border);
  padding: 1.5rem 0;
  text-align: center;
  color: var(--color-text-light);
  font-size: 0.875rem;
}

/* === About Page === */
.about-page {
  max-width: 900px;
  margin: 0 auto;
}

.about-hero {
  text-align: center;
  padding: 2rem 0 3rem;
}

.about-hero h1 {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.about-lead {
  font-size: 1.25rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.about-section {
  margin-bottom: 3rem;
}

.about-section h2 {
  font-size: 1.5rem;
  color: var(--color-text);
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 3px solid var(--color-primary);
  display: inline-block;
}

.section-description {
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
}

/* Problem Cards */
.problem-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.problem-card {
  background: var(--color-card);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
}

.problem-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.problem-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.problem-card p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* Solution Box */
.solution-box {
  background: linear-gradient(135deg, #dbeafe 0%, #e0e7ff 100%);
  border-left: 4px solid var(--color-primary);
  padding: 2rem;
  border-radius: var(--radius);
  text-align: center;
}

.solution-box p {
  font-size: 1.125rem;
  line-height: 1.8;
  margin: 0;
}

.solution-box .highlight {
  background: var(--color-primary);
  color: white;
  padding: 0.125rem 0.5rem;
  border-radius: 4px;
}

/* Category List */
.category-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.category-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--color-card);
  padding: 1.25rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.category-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  font-weight: 700;
  flex-shrink: 0;
}

.category-content h3 {
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
}

.category-content p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: 0.5rem;
}

.category-content .item-count {
  font-size: 0.75rem;
  background: var(--color-bg);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  color: var(--color-text-light);
}

/* Level Table */
.level-table {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.level-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--color-card);
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.level-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.level-info {
  display: flex;
  flex-direction: column;
}

.level-name {
  font-weight: 600;
  font-size: 1rem;
}

.level-desc {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* Usage Steps */
.usage-steps {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.usage-step {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  background: var(--color-card);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  border-radius: 50%;
  font-weight: 700;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.step-content h3 {
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
}

.step-content p {
  font-size: 0.9375rem;
}

/* === Usage Section (Detailed) === */
.usage-section .section-lead {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: 2rem;
}

.usage-steps-detailed {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.usage-step-card {
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.usage-step-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.step-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
}

.step-header .step-number {
  width: 2.5rem;
  height: 2.5rem;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.step-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0;
}

.step-body {
  padding: 1.25rem 1.5rem;
}

.step-description {
  color: var(--color-text);
  margin-bottom: 1rem;
  font-size: 0.9375rem;
}

.step-details {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem 0;
}

.step-details li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.step-details li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 600;
}

.step-details li strong {
  color: var(--color-text);
}

.step-tip {
  background: #fef3c7;
  color: #92400e;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  font-size: 0.8125rem;
  margin: 0;
}

.usage-section .section-cta {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .usage-steps-detailed {
    grid-template-columns: 1fr;
  }
  
  .usage-section .section-cta {
    flex-direction: column;
    align-items: stretch;
  }
  
  .usage-section .section-cta .btn {
    text-align: center;
  }
}

.step-content a {
  color: var(--color-primary);
}

/* Feedback Section */
.feedback-section {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  padding: 2rem;
  border-radius: var(--radius);
  border: 2px solid var(--color-warning);
}

.feedback-section h2 {
  border-bottom-color: var(--color-warning);
}

.feedback-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.feedback-list li {
  padding: 0.5rem 0 0.5rem 1.5rem;
  position: relative;
}

.feedback-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-warning);
  font-weight: bold;
}

/* Privacy Notice */
.privacy-notice {
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
  border: 1px solid #86efac;
  border-left: 4px solid #22c55e;
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-top: 2rem;
}

.privacy-notice h3 {
  font-size: 1.125rem;
  color: #166534;
  margin: 0 0 1rem 0;
}

.privacy-notice p {
  font-size: 0.9375rem;
  color: #15803d;
  line-height: 1.7;
  margin: 0 0 0.75rem 0;
}

.privacy-notice p:last-of-type {
  margin-bottom: 0;
}

.privacy-notice strong {
  color: #166534;
}

.privacy-notice-future {
  font-size: 0.875rem !important;
  color: #4b5563 !important;
  margin-top: 1rem !important;
  padding-top: 1rem;
  border-top: 1px dashed #86efac;
}

/* 企業向けプライバシーノーティス */
.privacy-notice-company {
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  border: 1px solid #93c5fd;
  border-left: 4px solid #3b82f6;
}

.privacy-notice-company h3 {
  color: #1e40af;
}

.privacy-notice-company p {
  color: #1d4ed8;
}

.privacy-notice-company strong {
  color: #1e40af;
}

.privacy-notice-company .privacy-notice-future {
  border-top-color: #93c5fd;
}

/* About CTA */
.about-cta {
  text-align: center;
  padding: 2rem 0;
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

/* === Features Grid (実現すること) === */
.features-grid {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.feature-card {
  background: var(--color-card);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  color: var(--color-text);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-border);
}

.feature-two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.feature-column h4 {
  font-size: 1rem;
  margin-bottom: 0.75rem;
  color: var(--color-primary);
}

.feature-column ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-column li {
  padding: 0.5rem 0;
  padding-left: 1.25rem;
  position: relative;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--color-text-light);
}

.feature-column li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: bold;
}

/* Match Types */
.match-types {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.match-type {
  background: var(--color-bg);
  padding: 1rem;
  border-radius: var(--radius);
  border-left: 4px solid var(--color-border);
}

.match-type p {
  margin: 0.5rem 0;
  font-size: 0.9375rem;
}

.match-label {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 600;
}

.match-label.skill {
  background: #dbeafe;
  color: #1e40af;
}

.match-label.growth {
  background: #d1fae5;
  color: #065f46;
}

.match-label.continue {
  background: #fef3c7;
  color: #92400e;
}

.match-example {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  font-style: italic;
}

/* Axis Comparison */
.axis-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.axis-item {
  background: var(--color-bg);
  padding: 1.25rem;
  border-radius: var(--radius);
}

.axis-item h4 {
  font-size: 1rem;
  margin-bottom: 1rem;
  color: var(--color-primary);
}

.axis-visual {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.axis-x, .axis-y {
  display: inline-block;
  padding: 0.375rem 0.75rem;
  background: var(--color-card);
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 500;
}

.axis-x {
  border-left: 3px solid var(--color-primary);
}

.axis-y {
  border-left: 3px solid var(--color-success);
}

.axis-item p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* No Experience Comparison */
.noexp-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.noexp-item {
  background: var(--color-bg);
  padding: 1.25rem;
  border-radius: var(--radius);
  text-align: center;
}

.noexp-item h4 {
  font-size: 1rem;
  margin-bottom: 0.75rem;
  color: var(--color-primary);
}

.noexp-item p {
  margin: 0 0 0.5rem 0;
  font-size: 1rem;
}

.noexp-item strong {
  color: var(--color-primary);
}

.noexp-hint {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

/* === Qualifications Section === */
.qualifications-section {
  margin-top: 2rem;
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.qualifications-section .section-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  margin: 0;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: white;
  font-size: 1.25rem;
  cursor: pointer;
  line-height: 1.2;
}

.qualifications-section .section-description {
  font-size: 0.875rem;
  font-weight: normal;
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 0 0.5rem;
  display: flex;
  align-items: center;
  line-height: 1.2;
}

.qualifications-content {
  padding: 1rem;
}

.qualifications-section.collapsed .qualifications-content {
  display: none;
}

.qualifications-section.collapsed .section-title .toggle-icon {
  transform: rotate(-90deg);
}

.qual-category {
  margin-bottom: 1rem;
}

.qual-category:last-child {
  margin-bottom: 0;
}

.qual-category-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  margin: 0;
  background: #10b981;
  border-radius: var(--radius);
  font-size: 1.125rem;
  color: white;
  cursor: pointer;
  transition: background-color 0.2s;
}

.qual-category-title:hover {
  background: #059669;
}

.toggle-icon-small {
  font-size: 0.75rem;
  color: white;
}

.qual-items {
  padding: 0.5rem 0 0 0;
}

.qual-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  margin: 0.25rem 0;
  background: var(--color-bg);
  border-radius: var(--radius);
  opacity: 0.85;
  transition: opacity 0.2s, background-color 0.2s;
}
/* opacity改善: 0.6→0.85 (アクセシビリティ向上) */

.qual-item.has-input {
  opacity: 1;
  background: white;
  box-shadow: var(--shadow);
}

.qual-info {
  flex: 1;
  min-width: 0;
}

.qual-name {
  font-weight: 500;
  font-size: 0.9375rem;
  display: block;
}

.qual-id {
  display: none;
  font-size: 0.75rem;
  color: var(--color-text-light);
  font-family: monospace;
}

.qual-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.qual-status {
  display: flex;
  gap: 0.5rem;
}

/* === カード型資格入力UI === */
.qual-status-cards {
  display: flex;
  gap: 0.75rem;
  flex: 1;
}

.qual-card {
  flex: 1;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.75rem;
  cursor: pointer;
  transition: all 0.2s ease;
  background: var(--color-card);
  min-width: 160px;
}

.qual-card-label {
  white-space: nowrap;
}

.qual-card:hover:not(.inactive) {
  border-color: var(--color-primary);
  box-shadow: var(--shadow);
}

.qual-card.active {
  border-color: var(--color-primary);
  background: #eff6ff;
}

.qual-card.inactive {
  opacity: 0.4;
  cursor: default;
  background: #f1f5f9;
}

.qual-card-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.qual-card-check {
  display: none;
  color: var(--color-primary);
  font-weight: bold;
}

.qual-card.active .qual-card-check {
  display: inline;
}

.qual-card-label {
  font-weight: 600;
  font-size: 0.875rem;
}

.qual-card-acquired .qual-card-label {
  color: #166534;
}

.qual-card-studying .qual-card-label {
  color: #92400e;
}

.qual-card.active.qual-card-acquired {
  background: #dcfce7;
  border-color: #16a34a;
}

.qual-card.active.qual-card-studying {
  background: #fef3c7;
  border-color: #d97706;
}

.qual-card-body {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--color-border);
}

.qual-card.active .qual-card-body {
  display: flex;
}

.qual-date-label {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

.qual-date-label-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.qual-card-date {
  padding: 0.375rem 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 0.875rem;
  flex: 1;
  background: white;
}

.qual-card-date:focus {
  outline: none;
  border-color: var(--color-primary);
}

.qual-date-optional {
  font-size: 0.625rem;
  color: var(--color-text-light);
  white-space: nowrap;
}

/* カスタム資格入力フォーム */
.custom-qual-input-area {
  padding: 1rem;
}

.custom-qual-form-row {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.custom-qual-input {
  flex: 1;
  min-width: 150px;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.875rem;
}

.custom-qual-cards {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.custom-qual-cards .qual-card {
  min-width: 140px;
}

.custom-qual-add-btn {
  flex-shrink: 0;
  align-self: flex-start;
  white-space: nowrap;
}

.qual-btn {
  padding: 0.375rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: white;
  font-size: 0.8125rem;
  cursor: pointer;
  transition: all 0.2s;
}

.qual-btn:hover {
  border-color: var(--color-text-light);
}

.qual-btn-acquired.active {
  background: var(--color-success);
  border-color: var(--color-success);
  color: white;
}

.qual-btn-studying.active {
  background: var(--color-warning);
  border-color: var(--color-warning);
  color: white;
}

.qual-date input[type="month"] {
  padding: 0.375rem 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 0.8125rem;
  background: white;
}

.qual-date input[type="month"]:disabled {
  background: var(--color-bg);
  opacity: 0.5;
}

/* Company Qualification Section */
.company-qual .qual-btn-required.active {
  background: #dc2626;
  border-color: #dc2626;
  color: white;
}

.company-qual .qual-btn-welcome.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.qual-req {
  display: flex;
  gap: 0.5rem;
}

/* === Search Box === */
.search-box {
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.search-input-wrapper {
  display: flex;
  align-items: center;
  background: white;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.5rem 0.75rem;
  transition: border-color 0.2s;
}

.search-input-wrapper:focus-within {
  border-color: var(--color-primary);
}

.search-icon {
  margin-right: 0.5rem;
  font-size: 1rem;
}

.search-input-wrapper input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 0.9375rem;
  background: transparent;
}

.search-input-wrapper input::placeholder {
  color: var(--color-text-light);
}

.search-clear {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-light);
  font-size: 1rem;
  padding: 0.25rem;
  line-height: 1;
  border-radius: 50%;
  transition: background-color 0.2s;
}

.search-clear:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.search-results {
  margin-top: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: #dbeafe;
  border-radius: var(--radius);
}

.search-results-count {
  font-size: 0.875rem;
  color: var(--color-primary);
  font-weight: 500;
}

/* Search Match Styles */
.search-hidden {
  display: none !important;
}

.search-match {
  background: #fef9c3 !important;
  opacity: 1 !important;
}

.search-match.has-input {
  background: linear-gradient(135deg, #fef9c3 0%, #fef3c7 100%) !important;
}

.search-highlight {
  background-color: #fde047;
  padding: 0 2px;
  border-radius: 2px;
}

/* === Responsive === */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .skill-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .skill-level {
    margin-top: 0.75rem;
  }

  .form-actions {
    flex-wrap: wrap;
  }

  .about-hero h1 {
    font-size: 2rem;
  }

  .about-lead {
    font-size: 1rem;
  }

  .problem-cards {
    grid-template-columns: 1fr;
  }

  .category-item,
  .usage-step {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .feature-two-column,
  .axis-comparison,
  .noexp-comparison {
    grid-template-columns: 1fr;
  }

  .qual-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .qual-controls {
    width: 100%;
    flex-wrap: wrap;
  }
}

/* === Custom Qualifications === */
.custom-qual-category {
  border-top: 2px dashed var(--color-border);
  margin-top: 1rem;
  padding-top: 1rem;
}

.custom-qual-input-area {
  background: var(--color-bg);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
}

.custom-qual-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.custom-qual-input {
  flex: 1;
  min-width: 200px;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.875rem;
}

.custom-qual-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

.custom-qual-select {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  background: white;
  min-width: 120px;
}

.custom-qual-date {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.875rem;
}

.custom-qual-hint {
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: 0.5rem;
}

.custom-qual-empty {
  text-align: center;
  color: var(--color-text-light);
  font-size: 0.875rem;
  padding: 1rem;
}

.custom-qual-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  border-left: 3px solid var(--color-primary);
}

.custom-qual-item .qual-info {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.custom-qual-item .qual-name {
  font-weight: 500;
  margin-right: 0.5rem;
}

.qual-status-badge {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
}

.qual-status-badge.status-acquired {
  background: #dcfce7;
  color: #166534;
}

.qual-status-badge.status-studying {
  background: #fef3c7;
  color: #92400e;
}

.qual-status-badge.status-required {
  background: #fee2e2;
  color: #991b1b;
}

.qual-status-badge.status-welcome {
  background: #dbeafe;
  color: #1e40af;
}

.custom-qual-item-date {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

.btn-remove {
  background: none;
  border: none;
  color: var(--color-danger);
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  font-size: 1rem;
  border-radius: var(--radius);
  transition: background 0.2s;
}

.btn-remove:hover {
  background: #fef2f2;
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
}

@media (max-width: 768px) {
  .custom-qual-form {
    flex-direction: column;
    align-items: stretch;
  }

  .custom-qual-input {
    min-width: 100%;
  }

  .custom-qual-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .custom-qual-item .qual-controls {
    align-self: flex-end;
  }
}

/* === Tools Section === */
.tools-section {
  margin-top: 2rem;
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.tools-section .section-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  margin: 0;
  background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
  color: white;
  font-size: 1.25rem;
  cursor: pointer;
  line-height: 1.2;
}

.tools-section .section-description {
  font-size: 0.875rem;
  font-weight: normal;
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 0 0.5rem;
  display: flex;
  align-items: center;
  line-height: 1.2;
}

.tools-content {
  padding: 1rem;
}

.tools-section.collapsed .tools-content {
  display: none;
}

.tools-section.collapsed .section-title .toggle-icon {
  transform: rotate(-90deg);
}

/* Tool Search */
.tool-search-area {
  margin-bottom: 1.5rem;
}

.tool-search-input-wrapper {
  position: relative;
  max-width: 400px;
}

.tool-search-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.tool-search-input:focus {
  outline: none;
  border-color: #8b5cf6;
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

.tool-search-hint {
  margin: 0.5rem 0 0;
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

/* Tool Suggestions */
.tool-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  z-index: 100;
  max-height: 300px;
  overflow-y: auto;
  margin-top: 4px;
}

.tool-suggestion-item {
  padding: 0.75rem 1rem;
  cursor: pointer;
  border-bottom: 1px solid var(--color-border);
  transition: background 0.15s;
}

.tool-suggestion-item:last-child {
  border-bottom: none;
}

.tool-suggestion-item:hover {
  background: #f5f3ff;
}

.tool-suggestion-name {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-text);
}

.tool-suggestion-vendor {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  margin-left: 0.5rem;
}

.tool-suggestion-category {
  display: block;
  font-size: 0.75rem;
  color: #8b5cf6;
  margin-top: 0.25rem;
}

.tool-suggestion-empty {
  padding: 1rem;
  text-align: center;
  color: var(--color-text-light);
  font-size: 0.875rem;
}

.tool-suggestion-error {
  padding: 1rem;
  text-align: center;
  color: var(--color-danger);
  font-size: 0.875rem;
}

.tool-suggestion-loading {
  padding: 1rem;
  text-align: center;
  color: var(--color-text-light);
  font-size: 0.875rem;
}

/* Tool List */
.tool-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.tool-empty-state {
  text-align: center;
  padding: 2rem;
  color: var(--color-text-light);
}

.tool-empty-state p {
  margin: 0;
}

.tool-empty-hint {
  font-size: 0.8125rem;
  margin-top: 0.5rem !important;
}

/* Tool Category Group */
.tool-category-group {
  background: var(--color-bg);
  border-radius: var(--radius);
  overflow: hidden;
}

.tool-category-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: #8b5cf6;
  color: white;
  font-size: 0.9375rem;
  font-weight: 600;
}

.tool-category-count {
  font-size: 0.75rem;
  font-weight: normal;
  background: rgba(255,255,255,0.2);
  padding: 0.125rem 0.5rem;
  border-radius: 9999px;
}

.tool-items {
  padding: 0.5rem;
}

/* Tool Item */
.tool-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  margin: 0.25rem 0;
  background: var(--color-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: background 0.2s;
}

.tool-item:hover {
  background: #faf5ff;
}

.tool-info {
  flex: 1;
  min-width: 0;
}

.tool-name {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-text);
}

.tool-vendor {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  margin-left: 0.5rem;
}

/* Tool Controls */
.tool-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.tool-years select {
  padding: 0.375rem 0.5rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.75rem;
  background: white;
  cursor: pointer;
}

.tool-years select:focus {
  outline: none;
  border-color: #8b5cf6;
}

.tool-level {
  display: flex;
  gap: 0.25rem;
}

.tool-level-option {
  cursor: pointer;
}

.tool-level-option input {
  display: none;
}

.tool-level-label {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: white;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.875rem;
  transition: all 0.2s;
}

.tool-level-option input:checked + .tool-level-label {
  background: #8b5cf6;
  border-color: #8b5cf6;
  color: white;
}

.tool-level-option:hover .tool-level-label {
  border-color: #8b5cf6;
}

.tool-interest-btn {
  padding: 0.375rem 0.75rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  background: white;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
  color: #6d28d9;
}

.tool-interest-btn:hover {
  border-color: #a78bfa;
  background: #f5f3ff;
}

.tool-interest-btn.active {
  background: #7c3aed;
  border-color: #7c3aed;
  color: white;
}

.tool-remove-btn {
  background: none;
  border: none;
  color: var(--color-text-light);
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  font-size: 1.125rem;
  border-radius: var(--radius);
  transition: all 0.2s;
}

.tool-remove-btn:hover {
  color: var(--color-danger);
  background: #fef2f2;
}

/* Responsive */
@media (max-width: 768px) {
  .tool-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .tool-controls {
    flex-wrap: wrap;
    width: 100%;
    justify-content: flex-start;
  }

  .tool-search-input-wrapper {
    max-width: 100%;
  }
}

/* === Phase1: Auth Section === */
.auth-section {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  margin-bottom: 1.5rem;
}

/* === Phase5.13: Pre-review Banner === */
.pre-review-banner {
  background: #fef3c7;
  border: 1px solid #f59e0b;
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  margin-bottom: 1.5rem;
}

.pre-review-banner-content {
  font-size: 0.875rem;
  color: #92400e;
}

.pre-review-banner-content strong {
  color: #78350f;
}

.auth-logged-out {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.auth-form {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.auth-input {
  flex: 1;
  min-width: 200px;
  max-width: 300px;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.875rem;
}

.auth-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

.auth-note {
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin: 0;
}

.auth-logged-in {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.auth-user-email {
  font-size: 0.875rem;
  color: var(--color-text);
  font-weight: 500;
}

.auth-save-status {
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.auth-save-status.saving {
  color: var(--color-primary);
  background: rgba(37, 99, 235, 0.1);
}

.auth-save-status.saved {
  color: var(--color-success);
  background: rgba(16, 185, 129, 0.1);
}

.auth-save-status.error {
  color: var(--color-danger);
  background: rgba(239, 68, 68, 0.1);
}

/* === MVP: Login Modal === */
.login-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.login-modal {
  background: var(--color-card);
  border-radius: var(--radius-lg, 12px);
  padding: 1.5rem;
  max-width: 400px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.login-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.login-modal-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.login-modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text-light);
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
}

.login-modal-close:hover {
  color: var(--color-text);
}

.login-modal-benefit {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: rgba(37, 99, 235, 0.05);
  border-radius: var(--radius);
}

.login-modal-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.login-modal-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.login-modal-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

.login-modal-input {
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.875rem;
}

.login-modal-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

.login-modal-input.error {
  border-color: var(--color-danger);
}

.login-modal-hint {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

.login-modal-hint.error {
  color: var(--color-danger);
}

.login-modal-consent {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-text);
  padding: 0.75rem;
  background: rgba(245, 158, 11, 0.05);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: var(--radius);
}

.login-modal-consent input[type="checkbox"] {
  margin-top: 0.125rem;
  flex-shrink: 0;
}

.login-modal-consent-text {
  line-height: 1.5;
}

.login-modal-consent-text a {
  color: var(--color-primary);
  text-decoration: underline;
}

.login-modal-buttons {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.login-modal-buttons .btn {
  flex: 1;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.login-modal-buttons .btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.login-modal-footer {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.login-modal-footer a {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  text-decoration: underline;
}

.login-modal-footer a.disabled {
  color: var(--color-text-lighter, #aaa);
  cursor: not-allowed;
  pointer-events: none;
}

.login-modal-error {
  font-size: 0.8125rem;
  color: var(--color-danger);
  padding: 0.5rem 0.75rem;
  background: rgba(239, 68, 68, 0.1);
  border-radius: var(--radius);
  display: none;
}

.login-modal-error.show {
  display: block;
}

/* Header login button */
.header-auth-btn {
  margin-left: auto;
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-primary);
  background: transparent;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s ease;
}

.header-auth-btn:hover {
  background: var(--color-primary);
  color: white;
}

.header-auth-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
  font-size: 0.8125rem;
}

.header-auth-status .user-email {
  color: var(--color-text);
  font-weight: 500;
}

.header-auth-status .save-status {
  font-size: 0.75rem;
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
}

.header-auth-status .save-status.saving {
  color: var(--color-primary);
  background: rgba(37, 99, 235, 0.1);
}

.header-auth-status .save-status.saved {
  color: var(--color-success);
  background: rgba(16, 185, 129, 0.1);
}

.header-auth-status .logout-btn {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  color: var(--color-text-light);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
}

.header-auth-status .logout-btn:hover {
  background: var(--color-bg);
}

/* Nav auth area */
.nav-auth-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: 1.5rem;
}

/* 2.2: Per-item save status badges */
.item-save-status {
  font-size: 0.625rem;
  padding: 0.125rem 0.375rem;
  border-radius: 3px;
  margin-left: 0.5rem;
  white-space: nowrap;
}

.item-save-status.dirty {
  color: #b45309;
  background: rgba(245, 158, 11, 0.15);
}

.item-save-status.saving {
  color: var(--color-primary);
  background: rgba(37, 99, 235, 0.1);
}

.item-save-status.saved {
  color: var(--color-success);
  background: rgba(16, 185, 129, 0.1);
}

.item-save-status.error {
  color: var(--color-danger);
  background: rgba(239, 68, 68, 0.1);
}

/* Data linking modal styles */
#data-linking-modal .modal-content,
#data-conflict-modal .modal-content {
  max-width: 500px;
}

#data-linking-modal .modal-note,
#data-conflict-modal .modal-note {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-top: 0.5rem;
}

/* 2.2: Modal error styles */
.modal-error {
  color: var(--color-danger);
  font-size: 0.875rem;
  margin-top: 0.5rem;
  padding: 0.5rem;
  background: rgba(239, 68, 68, 0.1);
  border-radius: 4px;
}

/* Modal button disabled state (saving in progress) */
.modal-actions .btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

@media (max-width: 768px) {
  .auth-form {
    flex-direction: column;
    align-items: stretch;
  }

  .auth-input {
    max-width: none;
  }

  .auth-logged-in {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* === Category Guide (レベル説明) === */
/* カテゴリが閉じている時はレベル説明を非表示 */
.skill-category.collapsed .category-guide {
  display: none;
}

.category-guide {
  margin: 0.5rem 0 1rem;
  padding: 0.75rem 1rem;
  background: #f8fafc;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.85rem;
}

.category-guide summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--color-text);
  user-select: none;
  list-style: none;
}

.category-guide summary::-webkit-details-marker {
  display: none;
}

.category-guide summary::before {
  content: "▼ ";
  font-size: 0.7em;
  margin-right: 0.25em;
}

.category-guide:not([open]) summary::before {
  content: "▶ ";
}

.category-guide .guide-content {
  margin-top: 0.75rem;
}

.category-guide .level-guide {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.category-guide .level-guide-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem;
  line-height: 1.5;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  transition: background 0.15s;
}

.category-guide .level-guide-item .level-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  background: white;
  color: var(--color-text);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  flex-shrink: 0;
}

.category-guide .level-guide-item strong {
  color: var(--color-text);
}

.category-guide .examples-toggle {
  color: var(--color-primary);
  font-size: 0.8em;
  margin-left: 0.5em;
  cursor: pointer;
  user-select: none;
}

.category-guide .examples-toggle::after {
  content: " ▶";
  font-size: 0.7em;
}

.category-guide .level-guide-item.expanded .examples-toggle::after {
  content: " ▼";
}

.category-guide .level-examples-inline {
  display: none;
  width: 100%;
  margin: 0.5rem 0 0.25rem 1.8em;
  padding-left: 1em;
  font-size: 0.9em;
  color: var(--color-text-light);
  list-style: disc;
}

.category-guide .level-examples-inline li {
  margin-bottom: 0.25em;
}

/* PC: ホバーで例を表示 */
@media (hover: hover) {
  .category-guide .level-guide-item:hover {
    background: #e0f2fe;
  }
  .category-guide .level-guide-item:hover .level-examples-inline {
    display: block;
  }
}

/* スマホ/タップ: クリックで開閉 */
.category-guide .level-guide-item.expanded {
  background: #e0f2fe;
}

.category-guide .level-guide-item.expanded .level-examples-inline {
  display: block;
}

/* 興味ありガイド */
.category-guide .interest-guide {
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border);
}

.category-guide .interest-guide-title {
  display: flex;
  align-items: center;
  gap: 0.5em;
  margin: 0 0 0.5rem;
  font-weight: 500;
}

.category-guide .interest-examples {
  margin: 0 0 0.5rem;
  padding-left: 0.5rem;
}

.category-guide .interest-example {
  display: flex;
  align-items: center;
  gap: 0.5em;
  margin-bottom: 0.25rem;
  font-size: 0.95em;
}

.category-guide .interest-example .arrow {
  color: var(--color-text-light);
}

.category-guide .interest-example .meaning {
  font-weight: 500;
  color: var(--color-primary);
}

.category-guide .interest-guide p {
  margin: 0 0 0.3rem;
  line-height: 1.5;
}

/* 興味ありバッジ: .interest-btn と同じ見た目に統一 */
.category-guide .interest-badge {
  display: inline-block;
  padding: 0.375rem 0.75rem;
  border: 2px solid #0369a1;
  border-radius: var(--radius);
  background: #0369a1;
  font-size: 0.75rem;
  font-weight: 500;
  color: white;
}