:root {
  --bg: #FBFAF7;
  --card: #FFFFFF;
  --text: #23262B;
  --text-sub: #6B7076;
  --accent: #3F6B5A;
  --accent-dark: #2E5044;
  --line: #E6E3DC;
  --tag-1: #C97B4A;
  --tag-2: #5C7FA3;
  --tag-3: #8A6BA8;
  --tag-4: #B4574F;
  --radius: 6px;
  --wrap: 1180px;
}

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

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

body.site-body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
}

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

p {
  margin: 0;
}

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

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

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

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

time {
  font-variant-numeric: tabular-nums;
}

button {
  font: inherit;
  cursor: pointer;
}

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

/* ================= layout ================= */
.site-factbar {
  background: #F3F1EB;
  border-bottom: 1px solid var(--line);
}

.site-factbar p {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 8px 24px;
  font-size: 13px;
  color: var(--text-sub);
}

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

.header-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 19px;
  font-weight: 700;
  text-decoration: none;
}

.brand:hover {
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  width: 26px;
  height: 26px;
  border-radius: 4px;
  background: var(--accent);
  position: relative;
  flex: none;
}

.brand-mark::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  width: 12px;
  height: 14px;
  border-radius: 1px;
  background: #FBFAF7;
}

.brand-name {
  white-space: nowrap;
}

.site-nav {
  display: flex;
}

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

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  border-radius: var(--radius);
  font-size: 15px;
  color: var(--text);
  text-decoration: none;
}

.nav-link:hover {
  background: #F3F1EB;
  color: var(--accent-dark);
  text-decoration: none;
}

.nav-link.is-current {
  color: var(--accent);
  font-weight: 700;
  box-shadow: inset 0 -2px 0 var(--accent);
  border-radius: 0;
}

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

.nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
}

.site-main {
  display: block;
}

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

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

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 20px 0 0;
  font-size: 13px;
  color: var(--text-sub);
}

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

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

.breadcrumb-sep {
  color: #B6B2A9;
}

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

.page-header {
  padding: 18px 0 28px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 40px;
}

.page-title {
  font-size: 32px;
  font-weight: 700;
}

.page-description {
  margin-top: 12px;
  max-width: 820px;
  color: var(--text-sub);
  font-size: 15px;
}

.site-footer {
  background: #F3F1EB;
  border-top: 1px solid var(--line);
}

.footer-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 44px 24px 28px;
  display: grid;
  grid-template-columns: repeat(3, minmax(160px, 1fr)) minmax(240px, 1.4fr);
  gap: 28px 32px;
}

.footer-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 12px;
}

.footer-list li + li {
  margin-top: 8px;
}

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

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

.footer-about {
  grid-column: 4;
}

.footer-brand {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
}

.footer-text {
  font-size: 14px;
  color: var(--text-sub);
}

.footer-copy {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--text-sub);
}

/* ================= components ================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
}

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

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

.btn-ghost {
  background: var(--card);
  color: var(--accent);
  border: 1px solid var(--accent);
}

.btn-ghost:hover {
  background: #EEF3F0;
  color: var(--accent-dark);
}

.text-link {
  font-size: 14px;
  font-weight: 700;
}

.section-head {
  margin-bottom: 22px;
}

.section-head h2 {
  font-size: 22px;
}

.section-note,
.section-desc {
  margin-top: 8px;
  color: var(--text-sub);
  font-size: 14px;
  max-width: 860px;
}

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

.tag {
  display: inline-flex;
  align-items: center;
  padding: 1px 9px;
  border-radius: 4px;
  font-size: 13px;
  line-height: 1.6;
  color: #FFFFFF;
  white-space: nowrap;
}

.tag-1,
.tag-a,
.tag-mystery {
  background: var(--tag-1);
}

.tag-2,
.tag-b,
.tag-fantasy {
  background: var(--tag-2);
}

.tag-3,
.tag-c,
.tag-scifi {
  background: var(--tag-3);
}

.tag-4,
.tag-d,
.tag-daily {
  background: var(--tag-4);
}

.status {
  display: inline-flex;
  align-items: center;
  padding: 1px 9px;
  border-radius: 4px;
  font-size: 13px;
  line-height: 1.6;
  white-space: nowrap;
  border: 1px solid var(--line);
  background: #F7F5F0;
  color: var(--text-sub);
}

.status-ongoing {
  border-color: #B9D0C5;
  background: #EEF3F0;
  color: #2E5044;
}

.status-completed {
  border-color: #C9C4B8;
  background: #F1EFE9;
  color: #5A5F63;
}

.status-hiatus {
  border-color: #DFC9C2;
  background: #F7EFEC;
  color: #8A4A3E;
}

/* ================= pages: index ================= */
.home-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
  padding: 46px 0 52px;
  border-bottom: 1px solid var(--line);
}

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

.hero-title {
  font-size: 32px;
  max-width: 22em;
}

.hero-lead {
  margin-top: 16px;
  max-width: 620px;
  color: var(--text-sub);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.hero-tags .tag {
  min-height: 32px;
  padding: 0 12px;
}

.hero-tags a.tag:hover {
  text-decoration: none;
  filter: brightness(0.92);
}

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

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

.hero-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #EFEDE7;
}

.hero-media figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-sub);
}

.home-section {
  padding: 46px 0 0;
}

.genre-columns {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

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

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

.genre-scope {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-sub);
}

.genre-works {
  margin-top: 14px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.genre-works li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 6px 0;
  min-width: 0;
}

.genre-works .work-name {
  font-size: 14px;
  min-width: 0;
  overflow-wrap: anywhere;
}

.genre-works .work-status {
  flex: none;
  font-size: 13px;
  color: var(--text-sub);
}

.wall-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.cover-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  min-width: 0;
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.cover-card:hover {
  transform: translateY(-2px);
  border-color: #CFCABF;
}

.cover-media {
  margin: 0;
}

.cover-media img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 4px;
  background: #EFEDE7;
}

.cover-title {
  margin-top: 12px;
  font-size: 16px;
}

.cover-fields {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

.cover-fields .field-status {
  font-size: 13px;
  color: var(--text-sub);
}

.cover-date {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--text-sub);
}

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

.update-row {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr) 96px 84px;
  align-items: center;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.update-row .update-date {
  font-size: 13px;
  color: var(--text-sub);
}

.update-row .update-name {
  font-size: 15px;
  min-width: 0;
  overflow-wrap: anywhere;
}

.update-row .update-genre {
  justify-self: start;
}

.update-row .update-status {
  justify-self: start;
  font-size: 13px;
  color: var(--text-sub);
}

.rank-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(260px, 1fr);
  gap: 32px;
  align-items: start;
}

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

.rank-subtitle {
  font-size: 18px;
  margin-bottom: 14px;
}

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

.rank-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.rank-no {
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.rank-name {
  font-size: 15px;
  min-width: 0;
  overflow-wrap: anywhere;
}

.rank-aside {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  min-width: 0;
}

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

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

.editor-item {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

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

.editor-reason {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: var(--text-sub);
}

.rank-more {
  margin-top: 16px;
}

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

.guide-col {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  min-width: 0;
}

.guide-subtitle {
  font-size: 18px;
  margin-bottom: 12px;
}

.guide-item {
  display: flex;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.guide-key {
  flex: none;
  width: 96px;
  color: var(--text-sub);
}

.guide-val {
  min-width: 0;
}

.guide-more {
  margin-top: 14px;
}

.index-columns {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

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

.index-name {
  font-size: 16px;
}

.index-desc {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-sub);
}

/* ================= pages: tese ================= */
.section {
  padding: 40px 0 0;
}

.tese-list {
  border-top: 1px solid var(--line);
}

.tese-row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.tese-index {
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

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

.tese-name {
  font-size: 18px;
}

.tese-scope {
  margin-top: 6px;
  font-size: 14px;
  color: var(--text-sub);
}

.tese-sample {
  margin-top: 8px;
  font-size: 14px;
}

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

.method-col {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  min-width: 0;
}

.method-title {
  font-size: 18px;
  margin-bottom: 12px;
}

.method-list li {
  position: relative;
  padding: 7px 0 7px 16px;
  font-size: 14px;
  color: var(--text-sub);
}

.method-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.method-figure {
  margin: 24px 0 0;
}

.method-figure img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #EFEDE7;
}

.method-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-sub);
}

.tese-group {
  margin-top: 28px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  min-width: 0;
}

.group-title {
  font-size: 18px;
}

.group-note {
  margin-top: 6px;
  font-size: 13px;
  color: var(--text-sub);
}

.work-list {
  margin-top: 14px;
  border-top: 1px solid var(--line);
}

.work-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 110px 100px 120px;
  align-items: center;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.work-row .work-name {
  min-width: 0;
  overflow-wrap: anywhere;
}

.work-row .work-field {
  font-size: 13px;
  color: var(--text-sub);
}

.work-row .work-date {
  font-variant-numeric: tabular-nums;
}

.field-legend {
  margin-top: 28px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}

.legend-title {
  font-size: 18px;
  margin-bottom: 12px;
}

.legend-list {
  margin: 0;
}

.legend-term {
  font-size: 14px;
  font-weight: 700;
  margin-top: 10px;
}

.legend-desc {
  margin: 4px 0 0;
  font-size: 14px;
  color: var(--text-sub);
}

/* ================= pages: gengxin ================= */
.update-log,
.field-guide,
.rhythm-note,
.site-index {
  padding: 40px 0 0;
}

.section-title {
  font-size: 22px;
}

.section-lead {
  margin-top: 8px;
  margin-bottom: 22px;
  color: var(--text-sub);
  font-size: 14px;
  max-width: 860px;
}

.update-log .update-list {
  border-top: 1px solid var(--line);
}

.update-item {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.update-item .update-date {
  font-size: 14px;
  color: var(--text-sub);
}

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

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

.update-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

.update-note {
  margin-top: 8px;
  font-size: 14px;
  color: var(--text-sub);
}

.field-figure {
  margin: 0 0 22px;
}

.field-figure img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #EFEDE7;
}

.field-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-sub);
}

.field-list {
  margin: 0;
}

.field-item {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 18px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.field-name {
  font-size: 14px;
  font-weight: 700;
}

.field-desc {
  margin: 0;
  font-size: 14px;
  color: var(--text-sub);
}

.rhythm-list li {
  position: relative;
  padding: 8px 0 8px 18px;
  font-size: 14px;
  color: var(--text-sub);
}

.rhythm-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.index-list {
  border-top: 1px solid var(--line);
}

.index-item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}

.index-item .index-note {
  font-size: 13px;
  color: var(--text-sub);
}

/* ================= pages: bangdan ================= */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(280px, 1fr);
  gap: 32px;
  align-items: start;
  padding-top: 8px;
}

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

.rank-entry {
  display: grid;
  grid-template-columns: 52px 96px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.rank-index {
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.rank-cover {
  margin: 0;
}

.rank-cover img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--line);
  background: #EFEDE7;
}

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

.rank-body .rank-name {
  display: block;
  font-size: 16px;
  font-weight: 700;
}

.rank-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

.rank-label {
  font-size: 13px;
  color: var(--text-sub);
}

.rank-reason {
  margin-top: 8px;
  font-size: 14px;
  color: var(--text-sub);
}

.rank-footnote,
.guide-footnote {
  margin-top: 18px;
  font-size: 14px;
}

.rank-aside .aside-title {
  font-size: 18px;
}

.rank-aside .aside-text {
  margin-top: 10px;
  font-size: 14px;
  color: var(--text-sub);
}

.rank-aside .editor-list {
  margin-top: 14px;
}

.rank-aside .editor-item {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.rank-aside .editor-name {
  font-size: 15px;
}

.rank-aside .editor-text {
  margin-top: 4px;
  font-size: 13px;
  color: var(--text-sub);
}

.aside-note {
  margin-top: 16px;
  font-size: 14px;
}

.guide-section,
.index-section {
  padding: 40px 0 0;
}

.guide-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

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

.guide-step-title {
  font-size: 16px;
}

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

.index-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

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

.index-cell a {
  font-size: 15px;
  font-weight: 700;
}

.index-cell .index-desc {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-sub);
}

/* ================= pages: shuoming ================= */
.field-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 1fr);
  gap: 32px;
  align-items: start;
}

.field-layout .field-list {
  min-width: 0;
}

.field-layout .field-item {
  display: block;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.field-layout .field-name {
  font-size: 15px;
}

.field-layout .field-text {
  margin-top: 6px;
  font-size: 14px;
  color: var(--text-sub);
}

.field-layout .field-figure {
  margin: 0;
}

.field-layout .field-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #EFEDE7;
}

.figure-caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-sub);
}

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

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

.step-title {
  font-size: 16px;
}

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

.feedback-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 24px;
}

.feedback-note,
.feedback-entry {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  min-width: 0;
}

.feedback-subtitle {
  font-size: 18px;
  margin-bottom: 12px;
}

.feedback-list li,
.entry-list li {
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  color: var(--text-sub);
}

.entry-list li:last-child,
.feedback-list li:last-child {
  border-bottom: 0;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-question {
  display: flex;
  align-items: center;
  min-height: 52px;
  padding: 12px 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  list-style: none;
}

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

.faq-question::after {
  content: "＋";
  margin-left: auto;
  padding-left: 16px;
  color: var(--accent);
  font-weight: 400;
}

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

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

.faq-answer p {
  font-size: 14px;
  color: var(--text-sub);
  max-width: 900px;
}

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

.error-panel {
  max-width: 720px;
  margin: 64px auto 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: left;
}

.error-code {
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.error-title {
  margin-top: 10px;
  font-size: 32px;
}

.error-text {
  margin-top: 12px;
  font-size: 15px;
  color: var(--text-sub);
}

.error-text + .error-text {
  margin-top: 8px;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.error-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.error-links a {
  font-size: 14px;
}

/* ================= responsive ================= */
@media (max-width: 960px) {
  .home-hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding: 34px 0 40px;
  }

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

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

  .rank-layout,
  .page-layout,
  .field-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .guide-layout,
  .method-grid,
  .feedback-layout,
  .path-steps {
    grid-template-columns: minmax(0, 1fr);
  }

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

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

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

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

@media (max-width: 640px) {
  .site-factbar p,
  .header-inner,
  .home-main,
  .inner-main,
  .error-main,
  .footer-inner {
    padding-left: 16px;
    padding-right: 16px;
  }

  .header-inner {
    flex-wrap: wrap;
    min-height: 60px;
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    flex-basis: 100%;
    width: 100%;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    padding-bottom: 8px;
    border-top: 1px solid var(--line);
  }

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

  .nav-link {
    min-height: 48px;
    padding: 0 4px;
    border-radius: 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-link.is-current {
    box-shadow: none;
    border-left: 3px solid var(--accent);
    padding-left: 12px;
  }

  .page-header {
    padding: 14px 0 22px;
    margin-bottom: 28px;
  }

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

  .home-section,
  .section,
  .update-log,
  .field-guide,
  .rhythm-note,
  .site-index,
  .guide-section,
  .index-section {
    padding-top: 34px;
  }

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

  .update-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
    padding: 14px 0;
  }

  .update-row .update-status {
    justify-self: start;
  }

  .rank-item {
    grid-template-columns: 36px minmax(0, 1fr);
    row-gap: 6px;
  }

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

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

  .field-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .work-row {
    grid-template-columns: minmax(0, 1fr) auto;
    row-gap: 4px;
  }

  .work-row .work-field {
    grid-column: 1 / -1;
  }

  .rank-entry {
    grid-template-columns: 40px 72px minmax(0, 1fr);
    gap: 12px;
  }

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

  .guide-item {
    flex-direction: column;
    gap: 2px;
  }

  .guide-key {
    width: auto;
  }

  .error-panel {
    margin-top: 32px;
    padding: 28px 20px;
  }

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