/* ============================================================
   BASE
   ============================================================ */
:root {
  --color-primary: #1f4e5f;
  --color-primary-dark: #173c49;
  --color-primary-light: #2d6377;
  --color-paper: #f4f1e8;
  --color-paper-deep: #ece7da;
  --color-accent: #e86a58;
  --color-accent-dark: #d45543;
  --color-ink: #2b2b2b;
  --color-gray: #7a7a7a;
  --color-gray-light: #b8b3a8;
  --color-white: #ffffff;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "WenQuanYi Micro Hei", sans-serif;
  --font-mono: "SF Mono", "Cascadia Code", "Consolas", "Liberation Mono", monospace;
  --container-width: 1160px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --shadow-card: 0 1px 3px rgba(31, 78, 95, 0.08), 0 1px 2px rgba(31, 78, 95, 0.04);
  --shadow-hover: 0 4px 12px rgba(31, 78, 95, 0.12), 0 2px 4px rgba(31, 78, 95, 0.06);
  --transition-base: 0.2s ease;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-ink);
  background-color: var(--color-paper);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-accent);
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--color-primary);
  line-height: 1.4;
  font-weight: 700;
}

h1 {
  font-size: 30px;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 18px;
}

p {
  margin-bottom: 12px;
}

strong {
  font-weight: 700;
  color: var(--color-primary);
}

/* ============================================================
   LAYOUT
   ============================================================ */
.site-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-main {
  flex: 1 0 auto;
  width: 100%;
}

.home-main {
  padding-bottom: 64px;
}

.inner-main {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.site-header {
  background-color: var(--color-white);
  border-bottom: 3px solid var(--color-primary);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 24px;
}

.brand-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-name {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 1px;
  line-height: 1.2;
}

.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  gap: 4px;
  list-style: none;
}

.nav-list li a {
  display: block;
  padding: 10px 14px;
  color: var(--color-ink);
  font-size: 15px;
  font-weight: 500;
  border-bottom: 3px solid transparent;
  margin-bottom: -3px;
  transition: color var(--transition-base), border-color var(--transition-base);
}

.nav-list li a:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-gray-light);
}

.nav-list li a.is-current {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
  font-weight: 700;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.nav-toggle:hover {
  background-color: var(--color-paper);
}

.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 1px;
  margin: 0 auto;
}

.site-footer {
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.85);
  flex-shrink: 0;
  margin-top: auto;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.2fr;
  gap: 48px;
}

.footer-brand-link {
  display: inline-flex;
  align-items: center;
  margin-bottom: 12px;
}

.footer-brand-name {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-white);
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
}

.footer-nav h2,
.footer-note h2 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-nav ul {
  list-style: none;
}

.footer-nav ul li {
  margin-bottom: 8px;
}

.footer-nav ul li a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
  transition: color var(--transition-base);
}

.footer-nav ul li a:hover {
  color: var(--color-accent);
}

.footer-note p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 16px 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 0;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  margin-bottom: 20px;
  color: var(--color-gray);
}

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

.breadcrumb a:hover {
  color: var(--color-accent);
}

.breadcrumb-sep {
  color: var(--color-gray-light);
  font-size: 12px;
}

.breadcrumb-current {
  color: var(--color-gray);
  font-weight: 500;
}

/* Page header */
.page-header {
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-paper-deep);
}

.page-title {
  font-size: 30px;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 8px;
  line-height: 1.3;
}

.page-description {
  font-size: 16px;
  color: var(--color-gray);
  line-height: 1.8;
  margin-bottom: 0;
  max-width: 720px;
}

/* Section title shared */
.section-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section-intro {
  font-size: 15px;
  color: var(--color-gray);
  margin-bottom: 28px;
  max-width: 680px;
}

/* ============================================================
   COMPONENTS
   ============================================================ */
/* Section tag */
.section-tag {
  display: inline-block;
  padding: 3px 12px;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
  line-height: 1.6;
}

.section-tag.coral {
  background-color: var(--color-accent);
}

/* Text link */
.text-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-base), color var(--transition-base);
}

.text-link:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* Section head */
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.section-head h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0;
}

.section-head p {
  font-size: 14px;
  color: var(--color-gray);
  margin-bottom: 0;
}

/* Content media */
.content-media {
  margin: 0 0 24px;
}

.content-media img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.content-media-inline {
  max-width: 720px;
}

.content-media figcaption {
  font-size: 13px;
  color: var(--color-gray);
  margin-top: 8px;
  line-height: 1.6;
  text-align: center;
}

/* ============================================================
   HOME PAGE
   ============================================================ */
/* Editorial headline area */
.editorial-headline-area {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px 8px;
}

.headline-main {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  align-items: stretch;
}

.headline-feature {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
}

.headline-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.headline-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.headline-content {
  padding: 24px 28px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.headline-content .section-tag {
  margin-bottom: 12px;
}

.headline-content h1 {
  font-size: 26px;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 12px;
  line-height: 1.4;
}

.headline-content p {
  font-size: 15px;
  color: var(--color-gray);
  margin-bottom: 16px;
  line-height: 1.8;
}

.headline-secondary {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.secondary-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

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

.secondary-card .section-tag {
  margin-bottom: 10px;
}

.secondary-card h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.secondary-card p {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: 0;
}

/* Category quickview */
.category-quickview {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px 24px;
}

.category-quickview .section-head {
  align-items: flex-start;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.category-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.category-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.category-cover {
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
}

.category-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.category-card:hover .category-cover img {
  transform: scale(1.03);
}

.category-info {
  padding: 16px 16px 20px;
}

.category-info h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.category-info p {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.6;
  margin-bottom: 0;
}

/* Recent updates preview */
.recent-updates-preview {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-paper-deep);
  border-bottom: 1px solid var(--color-paper-deep);
  padding: 40px 0;
}

.recent-updates-preview .section-head,
.recent-updates-preview .updates-list {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.updates-list {
  display: flex;
  flex-direction: column;
}

.update-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-paper-deep);
  align-items: start;
}

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

.update-date {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-gray);
  background-color: var(--color-paper);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  display: inline-block;
  text-align: center;
  line-height: 1.5;
  transition: background-color var(--transition-base), color var(--transition-base);
}

.update-item:hover .update-date {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.update-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.update-body p {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: 8px;
}

/* Scene recommendations */
.scene-recommendations {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px 24px;
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.scene-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.scene-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.scene-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background-color: var(--color-paper);
  border-radius: var(--radius-md);
  font-size: 20px;
  margin-bottom: 14px;
  color: var(--color-primary);
}

.scene-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.scene-genre {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.scene-card p:last-child {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: 0;
}

.scene-more {
  margin-top: 24px;
  text-align: center;
}

/* Guide highlight */
.guide-highlight {
  background-color: var(--color-primary);
  padding: 48px 0;
}

.guide-highlight .section-tag {
  background-color: var(--color-accent);
  margin-bottom: 12px;
}

.guide-intro {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.guide-intro h2 {
  font-size: 24px;
  color: var(--color-white);
  margin-bottom: 8px;
}

.guide-intro p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 16px;
  max-width: 640px;
}

.guide-intro .text-link {
  color: var(--color-white);
  border-bottom-color: rgba(255, 255, 255, 0.4);
}

.guide-intro .text-link:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.guide-steps-preview {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.guide-steps-preview .guide-step {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.guide-steps-preview .step-number {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  flex-shrink: 0;
  min-width: 32px;
}

.guide-steps-preview .step-text h3 {
  font-size: 16px;
  color: var(--color-white);
  margin-bottom: 4px;
}

.guide-steps-preview .step-text p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
  margin-bottom: 0;
}

/* FAQ preview */
.faq-preview {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px 24px;
}

.faq-preview-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.faq-preview .faq-item {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-paper-deep);
  padding: 0;
  overflow: hidden;
}

.faq-preview .faq-item summary {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 40px;
}

.faq-preview .faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-preview .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  color: var(--color-accent);
}

.faq-preview .faq-item[open] summary::after {
  content: "−";
}

.faq-preview .faq-item p {
  padding: 0 20px 16px;
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: 0;
}

/* Notice preview */
.notice-preview {
  background-color: var(--color-paper-deep);
  padding: 40px 0;
}

.notice-preview-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.notice-preview-inner .section-tag {
  background-color: var(--color-accent);
  flex-shrink: 0;
}

.notice-preview-content h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.notice-preview-content p {
  font-size: 14px;
  color: var(--color-gray);
  margin-bottom: 8px;
}

/* ============================================================
   INNER PAGES
   ============================================================ */
/* Categories page */
.category-directory-list {
  margin-bottom: 48px;
}

.category-directory-list h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 24px;
}

.directory-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.category-entry {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  padding: 16px;
  transition: box-shadow var(--transition-base);
}

.category-entry:hover {
  box-shadow: var(--shadow-hover);
}

.category-media {
  width: 200px;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.category-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.category-info h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.category-highlight {
  font-size: 14px;
  color: var(--color-ink);
  margin-bottom: 6px;
  line-height: 1.7;
}

.category-audience {
  font-size: 13px;
  color: var(--color-gray);
  margin-bottom: 4px;
}

.category-collection {
  font-size: 13px;
  color: var(--color-accent);
  margin-bottom: 0;
}

/* Comparison table */
.comparison-dimensions {
  margin-bottom: 48px;
}

.comparison-dimensions h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.comparison-dimensions > p {
  font-size: 14px;
  color: var(--color-gray);
  margin-bottom: 20px;
}

.comparison-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  background-color: var(--color-white);
  box-shadow: var(--shadow-card);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 640px;
}

.comparison-table thead th {
  background-color: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
  padding: 12px 16px;
  text-align: left;
  white-space: nowrap;
}

.comparison-table tbody th {
  background-color: var(--color-paper);
  color: var(--color-primary);
  font-weight: 700;
  padding: 12px 16px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--color-paper-deep);
}

.comparison-table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-paper-deep);
  color: var(--color-ink);
  line-height: 1.6;
}

.comparison-table tbody tr:last-child th,
.comparison-table tbody tr:last-child td {
  border-bottom: none;
}

/* Adjacent recommendations */
.adjacent-recommendations {
  margin-bottom: 40px;
}

.adjacent-recommendations h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.adjacent-recommendations > p {
  font-size: 14px;
  color: var(--color-gray);
  margin-bottom: 20px;
}

.adjacent-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.adjacent-item {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-card);
}

.adjacent-item h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.adjacent-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.adjacent-links a {
  display: inline-block;
  padding: 4px 12px;
  background-color: var(--color-paper);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  transition: background-color var(--transition-base), color var(--transition-base);
}

.adjacent-links a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.adjacent-item p {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.6;
  margin-bottom: 0;
}

/* Scenes page */
.scene-card-grid {
  margin-bottom: 48px;
}

.scene-card-grid .scene-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.scene-card-grid .scene-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  padding: 0;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.scene-card-grid .scene-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.scene-card-media {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
}

.scene-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scene-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
}

.scene-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  flex: 1;
}

.scene-card-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.scene-fit {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.scene-desc {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: 0;
}

/* Scene mapping notes */
.scene-mapping-notes {
  margin-bottom: 48px;
}

.mapping-list {
  display: flex;
  flex-direction: column;
}

.mapping-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-paper-deep);
  align-items: start;
}

.mapping-row:last-child {
  border-bottom: none;
}

.mapping-scene h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.mapping-scene p {
  font-size: 13px;
  color: var(--color-gray);
  margin-bottom: 0;
}

.mapping-content p {
  font-size: 14px;
  color: var(--color-ink);
  line-height: 1.8;
  margin-bottom: 0;
}

/* Cross scene tips */
.cross-scene-tips {
  margin-bottom: 48px;
}

.tips-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.tip-item {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-card);
}

.tip-item h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.tip-item p {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: 0;
}

/* Scene guide link */
.scene-guide-link {
  background-color: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
}

.scene-guide-link h2 {
  color: var(--color-white);
  margin-bottom: 8px;
}

.scene-guide-link p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  margin-bottom: 8px;
}

.scene-guide-link a {
  display: inline-block;
  color: var(--color-white);
  font-weight: 600;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 2px;
}

.scene-guide-link a:hover {
  color: var(--color-accent);
}

/* Guide page */
.guide-steps {
  margin-bottom: 48px;
}

.guide-steps .guide-step {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--color-paper-deep);
  align-items: start;
}

.guide-steps .guide-step:last-child {
  border-bottom: none;
}

.guide-steps .step-number-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background-color: var(--color-primary);
  border-radius: var(--radius-lg);
}

.guide-steps .step-number {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1;
}

.step-content h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.step-content > p {
  font-size: 15px;
  color: var(--color-ink);
  line-height: 1.8;
  margin-bottom: 16px;
}

.step-figure {
  margin: 0 0 16px;
}

.step-figure img {
  width: 100%;
  max-width: 640px;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.step-content .text-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-paper-deep);
  padding-bottom: 2px;
}

.step-content .text-link:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* Step checkpoints */
.step-checkpoints {
  margin-bottom: 48px;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
}

.checkpoint-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.checkpoint-card {
  background-color: var(--color-paper);
  border-radius: var(--radius-md);
  padding: 20px;
}

.checkpoint-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.checkpoint-card ul {
  list-style: none;
}

.checkpoint-card ul li {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.7;
  padding-left: 16px;
  position: relative;
  margin-bottom: 6px;
}

.checkpoint-card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

/* Common mistakes */
.common-mistakes {
  margin-bottom: 48px;
}

.mistake-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.mistake-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-card);
  border-left: 3px solid var(--color-accent);
}

.mistake-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.mistake-card p {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: 8px;
}

.mistake-card p:last-child {
  margin-bottom: 0;
}

/* Guide related */
.guide-related {
  margin-bottom: 40px;
}

.related-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.related-link {
  display: block;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.related-link:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.related-link-title {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.related-link-desc {
  display: block;
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.6;
}

/* Updates page */
.recent-update-list {
  margin-bottom: 48px;
}

.recent-update-list h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.recent-update-list .content-media {
  max-width: 640px;
}

.recent-update-list .update-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-paper-deep);
  align-items: start;
}

.recent-update-list .update-item:last-child {
  border-bottom: none;
}

.recent-update-list .update-date {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-gray);
  background-color: var(--color-paper);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  display: inline-block;
  text-align: center;
  line-height: 1.5;
  transition: background-color var(--transition-base), color var(--transition-base);
}

.recent-update-list .update-item:hover .update-date {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.update-content h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.update-content h3 a {
  color: var(--color-primary);
}

.update-content h3 a:hover {
  color: var(--color-accent);
}

.update-content p {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: 0;
}

/* Update category notes */
.update-category-notes {
  margin-bottom: 48px;
}

.update-category-notes h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.update-category-notes > p {
  font-size: 14px;
  color: var(--color-gray);
  margin-bottom: 20px;
}

.category-note-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.category-note-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-card);
}

.category-note-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-paper-deep);
}

.category-note-card p {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: 8px;
}

.category-note-card p:last-child {
  margin-bottom: 0;
}

/* Archive links */
.archive-links {
  margin-bottom: 40px;
}

.archive-links h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.archive-links > p {
  font-size: 14px;
  color: var(--color-gray);
  margin-bottom: 16px;
}

.archive-month-list {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.archive-month-list li a {
  display: inline-block;
  padding: 8px 20px;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  box-shadow: var(--shadow-card);
  transition: background-color var(--transition-base), color var(--transition-base);
}

.archive-month-list li a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.archive-more-note a {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-paper-deep);
  padding-bottom: 2px;
}

.archive-more-note a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* FAQ page */
.faq-group-tabs {
  margin-bottom: 40px;
}

.faq-group-tabs .section-title {
  margin-bottom: 16px;
}

.group-tab-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.group-tab-item a {
  display: inline-block;
  padding: 8px 20px;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-paper-deep);
  transition: background-color var(--transition-base), color var(--transition-base);
}

.group-tab-item a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.faq-accordion-list {
  margin-bottom: 40px;
}

.faq-accordion-list .section-title {
  margin-bottom: 16px;
}

.faq-accordion-list .faq-item {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-paper-deep);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-accordion-list .faq-item details {
  padding: 0;
}

.faq-accordion-list .faq-item summary {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 44px;
  transition: background-color var(--transition-base);
}

.faq-accordion-list .faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-accordion-list .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  color: var(--color-accent);
  font-weight: 700;
}

.faq-accordion-list .faq-item[open] summary {
  background-color: var(--color-paper);
}

.faq-accordion-list .faq-item[open] summary::after {
  content: "−";
}

.faq-answer {
  padding: 0 20px 20px;
  border-top: 1px solid var(--color-paper-deep);
  padding-top: 16px;
}

.faq-answer p {
  font-size: 14px;
  color: var(--color-ink);
  line-height: 1.8;
  margin-bottom: 12px;
}

.faq-answer a {
  font-weight: 600;
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-paper-deep);
  padding-bottom: 1px;
}

.faq-answer a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* Feedback entry */
.feedback-entry {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
  margin-bottom: 40px;
}

.feedback-entry .section-title {
  margin-bottom: 12px;
}

.feedback-entry p {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.8;
  margin-bottom: 8px;
}

.feedback-entry a {
  font-weight: 600;
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-paper-deep);
  padding-bottom: 1px;
}

.feedback-entry a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* Notice page */
.notice-list {
  margin-bottom: 48px;
}

.notice-list h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.notice-item {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-card);
  margin-bottom: 12px;
}

.notice-item h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 4px;
}

.notice-item h3 a {
  color: var(--color-primary);
}

.notice-item h3 a:hover {
  color: var(--color-accent);
}

.notice-date {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-gray);
  margin-bottom: 8px;
}

.notice-item p:last-child {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: 0;
}

.notice-full-content {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
  margin-bottom: 40px;
}

.notice-full-content h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.notice-full-content .notice-date {
  margin-bottom: 16px;
}

.notice-figure {
  margin: 0 0 20px;
}

.notice-figure img {
  width: 100%;
  max-width: 640px;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.notice-figure figcaption {
  font-size: 13px;
  color: var(--color-gray);
  margin-top: 8px;
  line-height: 1.6;
}

.notice-full-content p {
  font-size: 15px;
  color: var(--color-ink);
  line-height: 1.9;
  margin-bottom: 16px;
}

.related-notices {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
  margin-bottom: 40px;
}

.related-notices h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-paper-deep);
}

.related-notices ul {
  list-style: none;
}

.related-notices ul li {
  margin-bottom: 8px;
}

.related-notices ul li a {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
}

.related-notices ul li a:hover {
  color: var(--color-accent);
}

.related-notices p {
  font-size: 13px;
  color: var(--color-gray);
  margin-bottom: 8px;
}

.related-notices p a {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  margin-right: 12px;
}

.related-notices p a:hover {
  color: var(--color-accent);
}

.notice-related-links {
  margin-bottom: 40px;
}

.notice-related-links h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.notice-related-links p {
  font-size: 14px;
  color: var(--color-gray);
  margin-bottom: 8px;
}

.notice-related-links a {
  font-weight: 600;
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-paper-deep);
  padding-bottom: 1px;
  margin-right: 12px;
}

.notice-related-links a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ============================================================
   404 PAGE
   ============================================================ */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  flex: 1;
}

.error-content {
  text-align: center;
  max-width: 560px;
}

.error-code {
  font-family: var(--font-mono);
  font-size: 72px;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 16px;
}

.error-content h1 {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.error-lead {
  font-size: 16px;
  color: var(--color-gray);
  margin-bottom: 24px;
  line-height: 1.8;
}

.error-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 24px;
}

.btn-back-home {
  display: inline-block;
  padding: 12px 28px;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-base);
}

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

.error-actions a:not(.btn-back-home) {
  display: inline-block;
  padding: 12px 28px;
  background-color: var(--color-white);
  color: var(--color-primary);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-paper-deep);
  transition: background-color var(--transition-base), color var(--transition-base);
}

.error-actions a:not(.btn-back-home):hover {
  background-color: var(--color-paper);
  color: var(--color-primary);
}

.error-help {
  font-size: 14px;
  color: var(--color-gray);
  margin-bottom: 0;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .guide-steps-preview {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .adjacent-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .checkpoint-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .mistake-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .related-links {
    grid-template-columns: repeat(2, 1fr);
  }

  .category-note-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .header-inner {
    min-height: 60px;
    gap: 12px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-paper-deep);
    box-shadow: 0 4px 12px rgba(31, 78, 95, 0.1);
    display: block;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    padding: 8px 0;
    max-height: calc(100vh - 60px);
    overflow-y: auto;
  }

  .nav-list.is-open {
    display: flex;
  }

  .nav-list li a {
    padding: 12px 24px;
    border-bottom: none;
    border-left: 3px solid transparent;
    margin-bottom: 0;
  }

  .nav-list li a:hover {
    border-left-color: var(--color-accent);
    background-color: var(--color-paper);
  }

  .nav-list li a.is-current {
    border-left-color: var(--color-accent);
    background-color: var(--color-paper);
  }

  .headline-main {
    grid-template-columns: 1fr;
  }

  .headline-secondary {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

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

  .scene-card-grid .scene-grid {
    grid-template-columns: 1fr;
  }

  .faq-preview-list {
    grid-template-columns: 1fr;
  }

  .category-entry {
    grid-template-columns: 140px 1fr;
    gap: 16px;
  }

  .category-media {
    width: 140px;
  }

  .mapping-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .tips-list {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-brand {
    grid-column: auto;
  }

  .inner-main {
    padding: 24px 16px 48px;
  }

  .header-inner {
    padding: 0 16px;
  }

  .footer-inner {
    padding: 32px 16px 24px;
  }
}

@media (max-width: 560px) {
  h1 {
    font-size: 26px;
  }

  h2 {
    font-size: 21px;
  }

  .page-title {
    font-size: 26px;
  }

  .headline-content h1 {
    font-size: 22px;
  }

  .headline-secondary {
    grid-template-columns: 1fr;
  }

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

  .update-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .recent-update-list .update-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .category-entry {
    grid-template-columns: 1fr;
  }

  .category-media {
    width: 100%;
    aspect-ratio: 16 / 9;
  }

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

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

  .mistake-list {
    grid-template-columns: 1fr;
  }

  .related-links {
    grid-template-columns: 1fr;
  }

  .category-note-grid {
    grid-template-columns: 1fr;
  }

  .notice-preview-inner {
    flex-direction: column;
    gap: 12px;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .guide-steps .guide-step {
    grid-template-columns: 56px 1fr;
    gap: 16px;
  }

  .guide-steps .step-number-wrap {
    width: 44px;
    height: 44px;
  }

  .guide-steps .step-number {
    font-size: 20px;
  }

  .step-checkpoints {
    padding: 20px;
  }

  .notice-full-content {
    padding: 20px;
  }

  .error-code {
    font-size: 56px;
  }

  .error-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn-back-home,
  .error-actions a:not(.btn-back-home) {
    width: 100%;
    max-width: 240px;
    text-align: center;
  }
}

@media (max-width: 390px) {
  .brand-name {
    font-size: 19px;
  }

  .header-inner {
    padding: 0 12px;
  }

  .inner-main {
    padding: 20px 12px 40px;
  }

  .headline-content {
    padding: 20px;
  }

  .headline-content h1 {
    font-size: 20px;
  }

  .secondary-card {
    padding: 16px 20px;
  }

  .category-info {
    padding: 12px 12px 16px;
  }

  .scene-card {
    padding: 20px;
  }

  .scene-card-body {
    padding: 16px;
  }

  .guide-steps .guide-step {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .guide-steps .step-number-wrap {
    width: 40px;
    height: 40px;
  }

  .mapping-row {
    padding: 16px 0;
  }

  .footer-bottom {
    padding: 12px 16px;
  }
}

/* Print styles */
@media print {
  .site-header,
  .site-nav,
  .nav-toggle,
  .breadcrumb,
  .footer-inner {
    display: none !important;
  }

  .footer-bottom {
    display: block;
    border-top: 1px solid #ccc;
  }

  .site-main {
    padding: 0;
  }

  .inner-main {
    max-width: 100%;
    padding: 0;
  }
}