:root {
  --ink: #0F1B2D;
  --ink-2: #3A4A63;
  --ink-3: #7A8699;
  --line: #E8ECF2;
  --paper: #F6F8FB;
  --accent: #C2410C;
  --surface: #FFFFFF;
  --container: 1180px;
  --body-col: 720px;
  --aside-col: 340px;
  --header-h: 64px;
  --radius: 6px;
  --radius-sm: 4px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "Menlo", "Consolas", "Liberation Mono", monospace;
}

/* =========================================================
   base
   ========================================================= */

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

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-2);
  background-color: var(--paper);
  font-variant-numeric: tabular-nums;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--ink);
  font-weight: 600;
  line-height: 1.35;
}

p {
  margin: 0;
}

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

figure {
  margin: 0;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  background-color: var(--line);
}

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

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

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

:target {
  scroll-margin-top: calc(var(--header-h) + 16px);
}

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

.site-body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--paper);
}

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

.inner-main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 24px 24px 72px;
}

.home-main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px 72px;
}

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

/* =========================================================
   header / navigation
   ========================================================= */

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

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

.site-brand {
  display: flex;
  flex-direction: column;
  flex: 0 0 auto;
  line-height: 1.2;
}

.site-brand-name {
  font-size: 19px;
  font-weight: 600;
  color: var(--ink);
}

.site-brand-tag {
  font-size: 12px;
  color: var(--ink-3);
}

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

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

.nav-link {
  display: inline-block;
  padding: 8px 12px;
  font-size: 15px;
  color: var(--ink-2);
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

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

.nav-link.is-current {
  color: var(--ink);
  font-weight: 600;
  border-bottom-color: var(--accent);
}

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

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--ink);
}

/* =========================================================
   fact bar
   ========================================================= */

.fact-bar {
  background-color: var(--ink);
  color: #C7D0DD;
}

.fact-bar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 8px 24px;
  font-size: 13px;
}

.fact-brand {
  color: #FFFFFF;
  font-weight: 600;
}

.fact-meta {
  color: #9AA7B8;
}

.fact-bar-text {
  max-width: var(--container);
  margin: 0 auto;
  padding: 10px 24px 0;
  font-size: 13px;
}

.fact-bar-meta {
  max-width: var(--container);
  margin: 0 auto;
  padding: 2px 24px 10px;
  font-size: 13px;
  color: var(--ink-3);
}

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

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--ink-3);
}

.breadcrumb a {
  color: var(--ink-3);
}

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

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

.breadcrumb-current {
  color: var(--ink-2);
}

.page-header {
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.page-description {
  margin-bottom: 8px;
  font-size: 13px;
  font-family: var(--mono);
  color: var(--accent);
}

.page-title {
  font-size: 32px;
  font-weight: 600;
  color: var(--ink);
}

.page-lead {
  max-width: 720px;
  margin-top: 12px;
  font-size: 16px;
  color: var(--ink-2);
}

/* =========================================================
   section head (shared)
   ========================================================= */

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

.section-index {
  margin-bottom: 6px;
  font-size: 13px;
  font-family: var(--mono);
  color: var(--accent);
}

.section-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
}

.section-desc {
  max-width: 720px;
  margin-top: 8px;
  font-size: 15px;
  color: var(--ink-3);
}

.inline-link {
  color: var(--accent);
  border-bottom: 1px solid currentColor;
}

.section-note {
  margin-top: 20px;
  font-size: 14px;
  color: var(--ink-3);
}

.section-note a {
  color: var(--accent);
  border-bottom: 1px solid currentColor;
}

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

.home-hero {
  padding: 48px 0 56px;
  border-bottom: 1px solid var(--line);
}

.home-hero-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 48px;
  align-items: start;
}

.hero-eyebrow {
  margin-bottom: 12px;
  font-size: 13px;
  font-family: var(--mono);
  color: var(--accent);
}

.hero-title {
  font-size: 34px;
  font-weight: 600;
  color: var(--ink);
}

.hero-lead {
  margin-top: 16px;
  font-size: 16px;
  color: var(--ink-2);
}

.hero-paths {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 28px;
  border-top: 1px solid var(--line);
}

.hero-paths li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.hero-path-link {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 2px solid transparent;
}

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

.hero-path-note {
  font-size: 13px;
  color: var(--ink-3);
}

.hero-visual {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
  align-items: start;
}

.hero-figure {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--surface);
}

.hero-figure img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.hero-figure figcaption {
  padding: 12px 14px;
  font-size: 13px;
  color: var(--ink-3);
  border-top: 1px solid var(--line);
}

.hero-recent {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
  padding: 16px;
}

.hero-recent-title {
  margin-bottom: 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.hero-recent-list {
  display: flex;
  flex-direction: column;
}

.hero-recent-item {
  padding: 10px 0;
  font-size: 14px;
  color: var(--ink-2);
  border-bottom: 1px solid var(--line);
}

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

.hero-recent-item .recent-name {
  display: block;
  font-weight: 600;
  color: var(--ink);
}

.hero-recent-item .recent-genre,
.hero-recent-item .recent-date {
  font-size: 12px;
  color: var(--ink-3);
}

/* =========================================================
   home genres
   ========================================================= */

.home-genres {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

.genre-columns {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background-color: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.genre-column {
  display: flex;
  flex-direction: column;
  padding: 20px;
  background-color: var(--surface);
}

.genre-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}

.genre-trait {
  margin-top: 8px;
  font-size: 14px;
  color: var(--ink-3);
}

.genre-samples {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.genre-samples li {
  font-size: 14px;
}

.genre-samples a {
  color: var(--ink-2);
  border-bottom: 1px solid transparent;
}

.genre-samples a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

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

.home-wall {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

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

.cover-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
  overflow: hidden;
  transition: border-color 0.15s ease;
}

.cover-card:hover {
  border-color: var(--accent);
}

.cover-figure {
  overflow: hidden;
}

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

.cover-name {
  padding: 14px 16px 0;
  font-size: 16px;
  font-weight: 600;
}

.cover-name a {
  color: var(--ink);
  border-bottom: 2px solid transparent;
}

.cover-name a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.cover-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  padding: 8px 16px 16px;
  font-size: 13px;
  color: var(--ink-3);
}

.cover-genre {
  color: var(--ink-2);
}

/* =========================================================
   home updates
   ========================================================= */

.home-updates {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

.update-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.update-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) 120px 160px;
  gap: 16px;
  align-items: baseline;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line);
}

.update-date {
  font-size: 13px;
  font-family: var(--mono);
  color: var(--ink-3);
}

.update-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 2px solid transparent;
}

.update-name:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.update-genre {
  font-size: 13px;
  color: var(--ink-2);
}

.update-chapter {
  font-size: 13px;
  color: var(--ink-3);
}

/* =========================================================
   home ranking + editor picks
   ========================================================= */

.home-ranking {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

.ranking-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--aside-col);
  gap: 40px;
  align-items: start;
}

.rank-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.rank-row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) 110px;
  gap: 4px 16px;
  align-items: baseline;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line);
}

.rank-no {
  font-size: 15px;
  font-family: var(--mono);
  color: var(--accent);
}

.rank-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 2px solid transparent;
}

.rank-name:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.rank-genre {
  font-size: 13px;
  color: var(--ink-2);
}

.rank-reason {
  grid-column: 2 / -1;
  font-size: 13px;
  color: var(--ink-3);
}

.ranking-side {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.side-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}

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

.topic-name {
  font-size: 16px;
  font-weight: 600;
}

.topic-name a {
  color: var(--ink);
  border-bottom: 2px solid transparent;
}

.topic-name a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.topic-cover {
  margin-top: 8px;
  font-size: 14px;
  color: var(--ink-2);
}

.topic-count {
  margin-top: 6px;
  font-size: 13px;
  color: var(--ink-3);
}

/* =========================================================
   home fields
   ========================================================= */

.home-fields {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

.fields-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--aside-col);
  gap: 40px;
  align-items: start;
}

.fields-table-wrap {
  overflow-x: auto;
}

.fields-table {
  font-size: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
}

.fields-caption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--ink-3);
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.fields-table th,
.fields-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.fields-table th {
  font-weight: 600;
  color: var(--ink);
  background-color: var(--paper);
}

.fields-table td {
  color: var(--ink-2);
}

.fields-table tr:last-child th,
.fields-table tr:last-child td {
  border-bottom: 0;
}

.fields-steps {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
}

.steps-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.steps-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 14px;
}

.step-row {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  font-size: 14px;
  color: var(--ink-2);
}

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

/* =========================================================
   home index
   ========================================================= */

.home-index {
  padding: 56px 0 0;
}

.index-columns {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  background-color: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.index-cell {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px;
  background-color: var(--surface);
  transition: background-color 0.15s ease;
}

.index-cell:hover {
  background-color: var(--paper);
}

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

.index-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.index-note {
  font-size: 13px;
  color: var(--ink-3);
}

/* =========================================================
   inner page shared section rhythm
   ========================================================= */

.section {
  padding: 0 0 56px;
}

.section + .section {
  padding-top: 8px;
}

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

.genre-stream {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.genre-row {
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.genre-row-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.genre-index {
  font-size: 13px;
  font-family: var(--mono);
  color: var(--accent);
}

.genre-row-body {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.genre-cover {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--surface);
}

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

.genre-info {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.genre-info .genre-trait {
  margin-top: 0;
  font-size: 15px;
  color: var(--ink-2);
}

.genre-focus {
  font-size: 14px;
  color: var(--ink-3);
}

.genre-rep {
  font-size: 14px;
  color: var(--ink-2);
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.genre-advice {
  padding-top: 8px;
}

.advice-table {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background-color: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.advice-row {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 12px;
  padding: 20px;
  background-color: var(--surface);
}

.advice-pref-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.advice-pref-desc {
  margin-top: 6px;
  font-size: 14px;
  color: var(--ink-3);
}

.advice-match {
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.advice-combo {
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
}

.advice-note {
  margin-top: 6px;
  font-size: 14px;
  color: var(--ink-2);
}

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

.path-step {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
}

.path-index {
  display: block;
  font-size: 13px;
  font-family: var(--mono);
  color: var(--accent);
}

.path-title {
  margin-top: 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.path-desc {
  margin-top: 8px;
  font-size: 14px;
  color: var(--ink-2);
}

/* =========================================================
   related band / strip (shared)
   ========================================================= */

.related-band {
  padding: 32px 0 0;
  border-top: 1px solid var(--line);
}

.related-band-title {
  margin-bottom: 16px;
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
}

.related-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.related-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
  padding: 16px;
  min-width: 0;
}

.related-item a {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 2px solid transparent;
}

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

.related-strip {
  padding: 32px 0 0;
  border-top: 1px solid var(--line);
}

.related-strip .related-list {
  margin-top: 16px;
}

.related-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 2px solid transparent;
}

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

.related-desc {
  margin-top: 6px;
  font-size: 13px;
  color: var(--ink-3);
}

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

.field-bar {
  margin-bottom: 40px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
}

.field-bar-desc {
  margin-top: 8px;
  font-size: 14px;
  color: var(--ink-3);
}

.field-bar-desc a {
  color: var(--accent);
  border-bottom: 1px solid currentColor;
}

.field-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.field-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.field-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.field-desc {
  font-size: 13px;
  color: var(--ink-3);
}

.update-log {
  margin-bottom: 48px;
}

.update-group {
  margin-top: 28px;
}

.update-group .update-date {
  display: block;
  padding-bottom: 10px;
  font-size: 14px;
  font-family: var(--mono);
  color: var(--accent);
  border-bottom: 1px solid var(--line);
}

.update-group .update-list {
  border-top: 0;
}

.update-group .update-row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  padding: 12px 4px;
  border-bottom: 1px solid var(--line);
}

.update-thumb {
  width: 56px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

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

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

.update-info .update-name {
  display: block;
  font-size: 16px;
  font-weight: 600;
}

.update-meta {
  margin-top: 2px;
  font-size: 13px;
  color: var(--ink-3);
}

.path-guide {
  margin-bottom: 48px;
}

.step-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 20px;
}

.step-item {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
}

.step-index {
  display: block;
  font-size: 13px;
  font-family: var(--mono);
  color: var(--accent);
}

.step-title {
  margin-top: 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.step-text {
  margin-top: 8px;
  font-size: 14px;
  color: var(--ink-2);
}

/* =========================================================
   ranking page
   ========================================================= */

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--aside-col);
  gap: 48px;
  align-items: start;
  margin-bottom: 48px;
}

.ranking-list-section {
  min-width: 0;
}

.ranking-list {
  display: flex;
  flex-direction: column;
  margin-top: 20px;
  border-top: 1px solid var(--line);
}

.ranking-item {
  display: grid;
  grid-template-columns: 48px 64px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 16px 4px;
  border-bottom: 1px solid var(--line);
}

.ranking-position {
  font-size: 18px;
  font-family: var(--mono);
  font-weight: 600;
  color: var(--accent);
}

.ranking-cover {
  width: 64px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

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

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

.ranking-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}

.ranking-genre {
  margin-top: 2px;
  font-size: 13px;
  color: var(--ink-2);
}

.ranking-reason {
  margin-top: 8px;
  font-size: 14px;
  color: var(--ink-3);
}

.ranking-aside {
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-width: 0;
}

.aside-block {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
}

.aside-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}

.aside-desc {
  margin-top: 8px;
  font-size: 14px;
  color: var(--ink-3);
}

.dimension-list {
  margin: 16px 0 0;
  border-top: 1px solid var(--line);
}

.dimension-row {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.dimension-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.dimension-value {
  margin: 0;
  font-size: 14px;
  color: var(--ink-2);
}

.aside-note {
  margin-top: 14px;
  font-size: 13px;
  color: var(--ink-3);
}

.aside-note a {
  color: var(--accent);
  border-bottom: 1px solid currentColor;
}

.pick-card {
  margin-top: 16px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--paper);
}

.pick-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.pick-meta {
  margin-top: 4px;
  font-size: 13px;
  color: var(--ink-3);
}

.pick-desc {
  margin-top: 10px;
  font-size: 14px;
  color: var(--ink-2);
}

.pick-count {
  margin-top: 8px;
  font-size: 13px;
  color: var(--accent);
}

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

.guide-section {
  padding: 0 0 56px;
}

.guide-figure {
  margin-bottom: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--surface);
}

.guide-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.guide-figure-caption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--ink-3);
  border-top: 1px solid var(--line);
}

.field-table {
  font-size: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
}

.field-table-caption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--ink-3);
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.field-table th,
.field-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.field-table thead th {
  font-weight: 600;
  color: var(--ink);
  background-color: var(--paper);
}

.field-table tbody th {
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

.field-table td {
  color: var(--ink-2);
}

.field-table tr:last-child th,
.field-table tr:last-child td {
  border-bottom: 0;
}

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

.boundary-col {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
}

.boundary-col-out {
  background-color: var(--paper);
}

.boundary-title {
  padding-bottom: 12px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}

.boundary-list {
  margin-top: 12px;
}

.boundary-item {
  position: relative;
  padding: 6px 0 6px 18px;
  font-size: 14px;
  color: var(--ink-2);
}

.boundary-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 6px;
  height: 6px;
  background-color: var(--accent);
  border-radius: 50%;
}

.boundary-col-out .boundary-item::before {
  background-color: var(--ink-3);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
}

.faq-question {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  padding: 14px 18px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.faq-question::before {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
  transition: transform 0.15s ease;
}

.faq-item[open] .faq-question::before {
  transform: rotate(45deg);
}

.faq-question:hover {
  color: var(--accent);
}

.faq-body {
  padding: 0 18px 18px 38px;
  border-top: 1px solid var(--line);
}

.faq-line {
  padding-top: 12px;
  font-size: 14px;
  color: var(--ink-2);
}

.faq-label {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 8px;
  font-size: 12px;
  color: var(--accent);
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
}

/* =========================================================
   error page
   ========================================================= */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 64px 24px 96px;
}

.error-panel {
  width: 100%;
  max-width: 640px;
  padding: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
  text-align: left;
}

.error-code {
  font-size: 13px;
  font-family: var(--mono);
  color: var(--accent);
}

.error-title {
  margin-top: 10px;
  font-size: 32px;
  font-weight: 600;
  color: var(--ink);
}

.error-desc {
  margin-top: 14px;
  font-size: 16px;
  color: var(--ink-2);
}

.error-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.error-action-link,
.error-action-primary {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background-color: var(--paper);
  transition: border-color 0.15s ease, color 0.15s ease;
}

.error-action-link:hover,
.error-action-primary:hover {
  color: var(--accent);
  border-color: var(--accent);
}

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

.site-footer {
  flex: 0 0 auto;
  margin-top: 48px;
  background-color: var(--surface);
  border-top: 1px solid var(--line);
}

.site-footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: 32px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 48px 24px 32px;
}

.footer-brand-name {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}

.footer-brand-desc {
  margin-top: 8px;
  max-width: 320px;
  font-size: 14px;
  color: var(--ink-3);
}

.footer-group-title {
  margin-bottom: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-list a {
  display: inline-block;
  font-size: 14px;
  color: var(--ink-2);
  border-bottom: 1px solid transparent;
}

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

.footer-bottom {
  max-width: var(--container);
  margin: 0 auto;
  padding: 16px 24px 28px;
  border-top: 1px solid var(--line);
}

.footer-copy {
  font-size: 13px;
  color: var(--ink-3);
}

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

@media (max-width: 1024px) {
  .home-hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

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

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

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

  .ranking-columns,
  .fields-columns,
  .page-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

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

  .path-steps,
  .step-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .site-footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }
}

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

  .site-header-inner {
    gap: 12px;
    padding: 0 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    flex: 1 1 100%;
    margin-left: 0;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    padding-bottom: 12px;
    border-top: 1px solid var(--line);
  }

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

  .nav-link {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 10px 4px;
    border-bottom: 1px solid var(--line);
  }

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

  .site-header-inner {
    flex-wrap: wrap;
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .fact-bar-inner,
  .fact-bar-text,
  .fact-bar-meta {
    padding-left: 16px;
    padding-right: 16px;
  }

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

  .home-hero {
    padding: 32px 0 40px;
  }

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

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

  .home-genres,
  .home-wall,
  .home-updates,
  .home-ranking,
  .home-fields {
    padding: 40px 0;
  }

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

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

  .cover-name {
    padding: 12px 12px 0;
    font-size: 15px;
  }

  .cover-meta {
    padding: 6px 12px 14px;
    gap: 2px 10px;
  }

  .update-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
    padding: 14px 2px;
  }

  .update-row .update-date {
    order: 2;
  }

  .rank-row {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 2px 12px;
  }

  .rank-genre {
    grid-column: 2;
  }

  .rank-reason {
    grid-column: 2;
  }

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

  .page-header {
    margin-bottom: 28px;
    padding-bottom: 20px;
  }

  .page-title {
    font-size: 24px;
  }

  .section-title {
    font-size: 20px;
  }

  .genre-row-body {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 16px;
  }

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

  .path-steps,
  .step-list {
    grid-template-columns: minmax(0, 1fr);
  }

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

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

  .update-group .update-row {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 12px;
  }

  .update-thumb {
    width: 48px;
  }

  .ranking-item {
    grid-template-columns: 36px 56px minmax(0, 1fr);
    gap: 12px;
  }

  .ranking-cover {
    width: 56px;
  }

  .ranking-position {
    font-size: 16px;
  }

  .dimension-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

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

  .faq-body {
    padding: 0 16px 16px 16px;
  }

  .error-main {
    padding: 40px 16px 64px;
  }

  .error-panel {
    padding: 24px;
  }

  .error-title {
    font-size: 24px;
  }

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

  .site-footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding: 36px 16px 24px;
  }

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