:root {
  --bg: #f7f4ee;
  --ink: #1f1d1a;
  --ink-soft: #4a463f;
  --accent: #9c3b2e;
  --accent-soft: #b8564a;
  --sage: #5a6b5d;
  --line: #e3ddd2;
  --card: #ffffff;
  --serif: "Songti SC", "SimSun", "Source Han Serif SC", "Noto Serif SC", Georgia, serif;
  --mono: "SFMono-Regular", "Menlo", "Consolas", "Courier New", monospace;
  --wrap: 1120px;
  --gap: 32px;
  --radius: 6px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body.site-body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--ink);
  text-decoration: none;
}

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

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
}

p {
  margin: 0;
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

dl, dd, dt, figure, figcaption {
  margin: 0;
}

table {
  border-collapse: collapse;
  width: 100%;
}

/* ============ layout ============ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-sub {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  color: var(--sage);
  letter-spacing: 0.08em;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 44px;
  height: 44px;
  padding: 0 10px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
}

.site-nav {
  margin-left: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link:focus-visible {
  border-bottom-color: var(--accent-soft);
}

.nav-link.is-current {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 700;
}

.site-main {
  display: block;
}

.home-main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px 24px;
}

.inner-main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 24px 24px 56px;
}

.section {
  padding: 44px 0;
  border-bottom: 1px solid var(--line);
}

.section:last-child {
  border-bottom: 0;
}

.section-head {
  margin-bottom: 24px;
}

.section-title {
  font-size: 24px;
  margin-bottom: 8px;
}

.section-desc,
.section-intro,
.section-lead {
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 74ch;
}

.section-foot {
  margin-top: 20px;
}

.section-footnote {
  margin-top: 18px;
  font-size: 13px;
  color: var(--sage);
}

/* ============ breadcrumb / page header ============ */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-family: var(--mono);
  color: var(--sage);
  padding: 8px 0 4px;
}

.breadcrumb a {
  color: var(--sage);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.breadcrumb-sep {
  color: var(--line);
}

.breadcrumb-current {
  color: var(--ink-soft);
}

.page-header {
  padding: 20px 0 28px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 32px;
}

.page-title {
  font-size: 34px;
  margin-bottom: 12px;
}

.page-description {
  font-size: 16px;
  color: var(--ink-soft);
  max-width: 74ch;
}

.page-meta {
  margin-top: 12px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--sage);
  letter-spacing: 0.04em;
}

/* ============ components ============ */

.btn {
  display: inline-block;
  padding: 12px 22px;
  font-size: 15px;
  border-radius: var(--radius);
  border: 1px solid var(--accent);
  transition: background-color 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--accent-soft);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--accent);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: var(--accent);
  color: #fff;
}

.text-link {
  font-size: 14px;
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

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

.status-tag {
  display: inline-block;
  padding: 2px 9px;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.7;
  border: 1px solid var(--sage);
  border-radius: 4px;
  color: var(--sage);
  white-space: nowrap;
}

.status-ongoing {
  border-color: var(--sage);
  color: var(--sage);
}

.status-complete,
.status-completed {
  border-color: var(--accent);
  color: var(--accent);
}

.status-paused {
  border-color: var(--line);
  color: #8a857c;
}

.field-list {
  display: grid;
  gap: 10px;
}

.field-row {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px dotted var(--line);
}

.field-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.field-name {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.field-value,
.field-desc {
  font-size: 14px;
  color: var(--ink-soft);
}

.status-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 16px;
}

.status-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--ink-soft);
}

.status-item {
  font-size: 13px;
  color: var(--sage);
}

/* ============ header nav mobile ============ */

@media (max-width: 960px) {
  .header-inner {
    flex-wrap: nowrap;
    gap: 12px;
  }

  .nav-toggle {
    display: flex;
    margin-left: auto;
  }

  .site-nav {
    order: 3;
    flex-basis: 100%;
    margin-left: 0;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 0 4px;
    border-top: 1px solid var(--line);
  }

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

  .nav-link {
    padding: 12px 4px;
    border-bottom: 1px solid var(--line);
    border-left: 2px solid transparent;
  }

  .nav-link.is-current {
    border-bottom-color: var(--line);
    border-left-color: var(--accent);
    padding-left: 10px;
  }
}

/* ============ home: hero ============ */

.hero-section {
  padding: 40px 0 44px;
  border-bottom: 1px solid var(--line);
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--gap);
  align-items: start;
}

.hero-copy {
  min-width: 0;
}

.hero-kicker {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 12px;
}

.hero-title {
  font-size: 34px;
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 16px;
  color: var(--ink-soft);
  margin-bottom: 22px;
  max-width: 46ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.hero-fact dt {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--sage);
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.hero-fact dd {
  font-size: 15px;
  color: var(--ink);
}

.hero-media {
  min-width: 0;
}

.hero-figure {
  border: 1px solid var(--line);
  background: var(--card);
  padding: 10px;
  border-radius: var(--radius);
}

.hero-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 4px;
}

.hero-figure figcaption {
  margin-top: 8px;
  font-size: 12px;
  color: var(--sage);
  font-family: var(--mono);
}

.hero-update-list {
  margin-top: 16px;
  display: grid;
  gap: 10px;
}

.hero-update-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 12px;
  padding: 10px 12px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.hero-update-name {
  font-size: 15px;
  font-weight: 700;
}

.hero-update-meta {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--sage);
  text-align: right;
}

.hero-update-note {
  grid-column: 1 / -1;
  font-size: 13px;
  color: var(--ink-soft);
}

/* ============ home: genre index ============ */

.genre-list {
  display: grid;
  gap: 0;
}

.genre-row {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: baseline;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.genre-row:last-child {
  border-bottom: 0;
}

.genre-no {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
}

.genre-body {
  min-width: 0;
}

.genre-name {
  font-size: 18px;
  margin-bottom: 4px;
}

.genre-desc {
  font-size: 14px;
  color: var(--ink-soft);
}

.genre-samples {
  margin-top: 6px;
  font-size: 13px;
  color: var(--sage);
}

.genre-enter {
  font-size: 14px;
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 4px;
  white-space: nowrap;
}

.genre-enter:hover {
  color: var(--accent-soft);
}

/* ============ home: cover wall ============ */

.cover-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.cover-card {
  min-width: 0;
}

.cover-figure {
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}

.cover-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 4px;
}

.cover-name {
  margin-top: 10px;
  font-size: 16px;
}

.cover-meta {
  font-size: 13px;
  color: var(--sage);
  margin: 4px 0 8px;
}

/* ============ home: update log ============ */

.update-list {
  display: grid;
  gap: 0;
}

.update-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) 92px auto;
  gap: 16px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.update-row:last-child {
  border-bottom: 0;
}

.update-date {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--sage);
}

.update-body {
  min-width: 0;
}

.update-name {
  font-size: 16px;
  margin-bottom: 2px;
}

.update-desc {
  font-size: 13px;
  color: var(--ink-soft);
}

.update-genre {
  font-size: 13px;
  color: var(--sage);
}

/* ============ home: ranking summary ============ */

.ranking-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap);
}

.ranking-col {
  min-width: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.ranking-name {
  font-size: 18px;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.ranking-list {
  display: grid;
  gap: 0;
}

.ranking-item {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: baseline;
  padding: 9px 0;
  border-bottom: 1px dotted var(--line);
}

.ranking-item:last-child {
  border-bottom: 0;
}

.ranking-no {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
}

.ranking-title {
  font-size: 15px;
}

.ranking-tag {
  font-size: 12px;
  color: var(--sage);
  font-family: var(--mono);
}

.ranking-col .text-link {
  display: inline-block;
  margin-top: 14px;
}

/* ============ home: guide summary ============ */

.guide-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap);
}

.guide-col {
  min-width: 0;
  padding: 20px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.guide-subtitle {
  font-size: 17px;
  margin-bottom: 12px;
}

/* ============ home: site index ============ */

.index-columns {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 20px;
}

.index-col {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
}

.index-link {
  display: block;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
}

.index-desc {
  font-size: 13px;
  color: var(--ink-soft);
}

/* ============ inner: layout with sidebar ============ */

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(220px, 1fr);
  gap: var(--gap);
  align-items: start;
}

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

.sidebar {
  min-width: 0;
  display: grid;
  gap: 20px;
}

.sidebar-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}

.sidebar-title {
  font-size: 16px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.sidebar-links {
  display: grid;
  gap: 8px;
  font-size: 14px;
}

.sidebar-links a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ============ genres page ============ */

.filter-section .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-label {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--sage);
  letter-spacing: 0.04em;
}

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

.filter-tag {
  padding: 6px 14px;
  font-family: var(--serif);
  font-size: 14px;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
}

.filter-tag:hover {
  border-color: var(--accent-soft);
  color: var(--accent);
}

.filter-tag.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.filter-clear {
  margin-left: auto;
  padding: 7px 16px;
  font-family: var(--serif);
  font-size: 14px;
  color: var(--accent);
  background: transparent;
  border: 1px solid var(--accent);
  border-radius: 4px;
  cursor: pointer;
}

.filter-clear:hover {
  background: var(--accent);
  color: #fff;
}

.filter-note {
  margin-top: 12px;
  font-size: 13px;
  color: var(--sage);
}

.genre-section {
  padding-top: 32px;
}

.genre-block {
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.genre-block:last-child {
  border-bottom: 0;
}

.genre-block-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
}

.genre-block .genre-no {
  font-size: 13px;
}

.genre-block .genre-name {
  font-size: 20px;
}

.genre-figure {
  margin: 14px 0;
  max-width: 420px;
}

.genre-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--line);
}

.genre-figure figcaption {
  margin-top: 6px;
  font-size: 12px;
  color: var(--sage);
  font-family: var(--mono);
}

.genre-block .genre-desc {
  margin-bottom: 14px;
}

.entry-list {
  display: grid;
  gap: 0;
}

.entry-row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) 96px 84px;
  gap: 12px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px dotted var(--line);
}

.entry-row:last-child {
  border-bottom: 0;
}

.entry-no {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
}

.entry-name {
  font-size: 15px;
}

.entry-genre {
  font-size: 13px;
  color: var(--sage);
}

.entry-note {
  grid-column: 2 / -1;
  font-size: 13px;
  color: var(--ink-soft);
}

.entry-link {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.entry-status {
  display: inline-block;
  padding: 2px 8px;
  font-family: var(--mono);
  font-size: 11px;
  border: 1px solid var(--sage);
  border-radius: 4px;
  color: var(--sage);
  white-space: nowrap;
}

.entry-status--completed {
  border-color: var(--accent);
  color: var(--accent);
}

.entry-status--paused {
  border-color: var(--line);
  color: #8a857c;
}

.advice-section .advice-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.advice-item {
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.advice-title {
  font-size: 16px;
  margin-bottom: 6px;
}

.advice-text {
  font-size: 14px;
  color: var(--ink-soft);
}

.cross-table {
  font-size: 14px;
  border: 1px solid var(--line);
}

.cross-table caption {
  caption-side: top;
  text-align: left;
  font-size: 13px;
  color: var(--sage);
  padding-bottom: 8px;
}

.cross-table th,
.cross-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.cross-table thead th {
  background: #efeae0;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink);
  letter-spacing: 0.04em;
}

.cross-table tbody tr:last-child td {
  border-bottom: 0;
}

.cross-note {
  margin-top: 12px;
  font-size: 13px;
  color: var(--sage);
}

.cross-note a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ============ updates page ============ */

.updates-filter {
  padding: 24px 0 32px;
  border-bottom: 1px solid var(--line);
}

.filter-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 1fr);
  gap: var(--gap);
  align-items: start;
  margin-top: 16px;
}

.filter-controls {
  min-width: 0;
  padding: 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.filter-hint {
  font-size: 13px;
  color: var(--sage);
  margin-bottom: 12px;
}

.filter-controls .filter-group {
  margin-bottom: 14px;
}

.filter-note {
  min-width: 0;
  padding: 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.filter-note-title {
  font-size: 16px;
  margin-bottom: 8px;
}

.filter-note p {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 8px;
}

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

.updates-timeline {
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.timeline-group {
  margin-top: 26px;
}

.timeline-date {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 14px;
}

.timeline-list {
  display: grid;
  gap: 16px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.timeline-thumb {
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  background: var(--card);
}

.timeline-thumb img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.timeline-body {
  min-width: 0;
}

.timeline-work {
  font-size: 16px;
  margin-bottom: 4px;
}

.timeline-fields {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--sage);
  margin-bottom: 6px;
}

.timeline-desc {
  font-size: 14px;
  color: var(--ink-soft);
}

.updates-status {
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.status-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 16px;
}

.status-card {
  padding: 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.status-name {
  font-size: 16px;
  margin-bottom: 8px;
  color: var(--accent);
}

.status-meaning {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 8px;
}

.status-example {
  font-size: 13px;
  color: var(--sage);
  font-family: var(--mono);
}

/* ============ rankings page ============ */

.rank-basis {
  padding: 8px 0 32px;
  border-bottom: 1px solid var(--line);
}

.rank-basis-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap);
  margin-top: 16px;
}

.rank-basis-col {
  min-width: 0;
  padding: 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.rank-basis-col p {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 10px;
}

.rank-basis-col p:last-child {
  margin-bottom: 0;
}

.rank-basis-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
  font-size: 14px;
}

.rank-basis-links a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.rank-block {
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.rank-list {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.rank-item {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding-bottom: 16px;
  border-bottom: 1px dotted var(--line);
}

.rank-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.rank-cover {
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  background: var(--card);
}

.rank-cover img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.rank-body {
  min-width: 0;
}

.rank-index {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  margin-bottom: 4px;
}

.rank-name {
  font-size: 17px;
  margin-bottom: 4px;
}

.rank-genre {
  font-size: 13px;
  color: var(--sage);
  margin-bottom: 6px;
}

.rank-reason {
  font-size: 14px;
  color: var(--ink-soft);
}

.rank-notes {
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.note-list {
  display: grid;
  gap: 16px;
  margin-top: 16px;
}

.note-item {
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.note-title {
  font-size: 16px;
  margin-bottom: 6px;
}

.note-text {
  font-size: 14px;
  color: var(--ink-soft);
}

/* ============ guide page ============ */

.guide-section {
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.guide-section:last-child {
  border-bottom: 0;
}

.guide-figure {
  margin: 18px 0;
  max-width: 620px;
}

.guide-image {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 4px;
}

.guide-caption {
  margin-top: 8px;
  font-size: 12px;
  color: var(--sage);
  font-family: var(--mono);
}

.field-list .field-item {
  padding: 14px 0;
  border-bottom: 1px dotted var(--line);
}

.field-list .field-item:last-child {
  border-bottom: 0;
}

.field-item .field-name {
  font-size: 13px;
  margin-bottom: 4px;
}

.field-mean {
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 4px;
}

.field-example {
  font-size: 13px;
  color: var(--sage);
}

.rule-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap);
  margin-top: 16px;
}

.rule-column {
  min-width: 0;
  padding: 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.rule-title {
  font-size: 16px;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.rule-list {
  display: grid;
  gap: 8px;
}

.rule-item {
  font-size: 14px;
  color: var(--ink-soft);
  padding-left: 16px;
  position: relative;
}

.rule-item::before {
  content: "·";
  position: absolute;
  left: 2px;
  color: var(--accent);
  font-weight: 700;
}

.logic-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 12px;
}

.logic-item {
  padding: 14px 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--ink-soft);
}

.faq-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 18px;
}

.faq-question {
  cursor: pointer;
  padding: 14px 0;
  font-size: 16px;
  font-weight: 700;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::before {
  content: "＋";
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
}

.faq-item[open] .faq-question::before {
  content: "－";
}

.faq-answer {
  padding: 0 0 16px 24px;
  font-size: 14px;
  color: var(--ink-soft);
}

/* ============ related nav ============ */

.related-nav,
.related-bar {
  padding: 28px 0;
  border-top: 1px solid var(--line);
  margin-top: 8px;
}

.related-title {
  font-size: 18px;
  margin-bottom: 14px;
}

.related-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.related-item a,
.related-list a {
  display: inline-block;
  padding: 9px 18px;
  font-size: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  transition: border-color 0.15s ease, color 0.15s ease;
}

.related-item a:hover,
.related-list a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ============ link list (rankings) ============ */

.link-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
}

.link-list a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-size: 14px;
}

/* ============ 404 ============ */

.error-main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 64px 24px 72px;
}

.error-block {
  max-width: 640px;
  padding: 32px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.error-code {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin-bottom: 10px;
}

.error-block h1 {
  font-size: 30px;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 15px;
  color: var(--ink-soft);
  margin-bottom: 20px;
}

.error-paths {
  display: grid;
  gap: 8px;
  margin-bottom: 24px;
}

.error-paths a {
  font-size: 15px;
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.error-home-link {
  display: inline-block;
  padding: 11px 22px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius);
  font-size: 15px;
}

.error-home-link:hover {
  background: var(--accent-soft);
  color: #fff;
}

/* ============ footer ============ */

.site-footer {
  background: #efeae0;
  border-top: 1px solid var(--line);
  margin-top: 24px;
}

.footer-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 44px 24px 32px;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(4, minmax(0, 1fr));
  gap: 28px;
}

.footer-brand-name {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.footer-brand-desc {
  font-size: 13px;
  color: var(--ink-soft);
  max-width: 34ch;
}

.footer-title {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}

.footer-list {
  display: grid;
  gap: 8px;
}

.footer-list a {
  font-size: 14px;
  color: var(--ink-soft);
}

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

.footer-bottom {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 16px 24px 28px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
}

.footer-note,
.footer-copy {
  font-size: 12px;
  color: var(--sage);
  font-family: var(--mono);
}

/* ============ responsive ============ */

@media (max-width: 960px) {
  .home-main,
  .inner-main,
  .error-main {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-title {
    font-size: 28px;
  }

  .page-title {
    font-size: 28px;
  }

  .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .cover-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .ranking-columns,
  .guide-columns,
  .rank-basis-grid,
  .rule-columns,
  .filter-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .index-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .sidebar {
    margin-top: 8px;
  }

  .status-columns {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

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

@media (max-width: 640px) {
  body.site-body {
    font-size: 15px;
  }

  .home-main,
  .inner-main,
  .error-main {
    padding-left: 16px;
    padding-right: 16px;
  }

  .header-inner {
    padding: 12px 16px;
  }

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

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

  .hero-facts {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .genre-row {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 12px;
  }

  .genre-enter {
    grid-column: 2 / -1;
  }

  .cover-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .update-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .update-date {
    font-size: 11px;
  }

  .entry-row {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 8px 12px;
  }

  .entry-genre,
  .entry-status {
    grid-column: 2 / -1;
  }

  .entry-note {
    grid-column: 2 / -1;
  }

  .timeline-item {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 12px;
  }

  .rank-item {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 14px;
  }

  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-clear {
    margin-left: 0;
    width: 100%;
  }

  .index-columns {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    padding: 32px 16px 24px;
  }

  .footer-bottom {
    padding: 14px 16px 24px;
  }

  .cross-table th,
  .cross-table td {
    padding: 8px 10px;
    font-size: 13px;
  }

  .error-block {
    padding: 24px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}