:root {
  --ink: #141414;
  --paper: #f6f4ef;
  --white: #ffffff;
  --accent: #ff4d2e;
  --highlight: #ffe14d;
  --gray: #5b5b5b;
  --line: #c9c4ba;
  --line-soft: #e3dfd6;
  --radius: 6px;
  --container: 1160px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-mono: "SFMono-Regular", "Menlo", "Consolas", "Liberation Mono", monospace;
}

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

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

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

body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
}

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

figure {
  margin: 0;
}

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

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

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

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 800;
  line-height: 1.3;
  color: var(--ink);
}

p {
  margin: 0;
}

button {
  font-family: inherit;
}

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

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

.site-body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

.inner-main {
  padding-top: 20px;
}

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 64px;
  padding-bottom: 80px;
}

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

.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 30;
}

.header-bar {
  max-width: var(--container);
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.brand {
  font-size: 20px;
  font-weight: 900;
  color: var(--ink);
  white-space: nowrap;
  flex: 0 0 auto;
}

.brand::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 8px;
  background: var(--accent);
  vertical-align: middle;
}

.site-nav {
  flex: 1 1 auto;
  min-width: 0;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 18px;
  align-items: center;
}

.nav-list a {
  display: inline-block;
  padding: 6px 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 2px solid transparent;
}

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

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

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  background: var(--white);
  cursor: pointer;
  position: relative;
}

.nav-toggle::before {
  content: "";
  position: absolute;
  left: 11px;
  right: 11px;
  top: 14px;
  height: 2px;
  background: var(--ink);
  box-shadow: 0 7px 0 var(--ink), 0 14px 0 var(--ink);
}

.update-badge {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.4;
  color: var(--ink);
  background: var(--highlight);
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  padding: 4px 10px;
  white-space: nowrap;
}

.mobile-nav {
  display: none;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.mobile-nav-list {
  max-width: var(--container);
  margin: 0 auto;
  padding: 4px 24px 12px;
}

.mobile-nav-list a {
  display: flex;
  align-items: center;
  min-height: 48px;
  font-size: 16px;
  font-weight: 600;
  border-bottom: 1px solid var(--line-soft);
}

.mobile-nav-list a.is-current {
  color: var(--accent);
}

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

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: var(--gray);
  padding: 14px 0 10px;
  border-bottom: 1px solid var(--line-soft);
}

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

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

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

.breadcrumb-current {
  color: var(--ink);
  font-weight: 600;
}

.page-header {
  padding: 22px 0 6px;
}

.page-title {
  font-size: 32px;
  font-weight: 900;
  line-height: 1.25;
}

.page-head,
.page-title-block,
.page-hero {
  padding: 6px 0 20px;
  border-bottom: 1px solid var(--line-soft);
  margin-bottom: 28px;
}

.page-lead {
  font-size: 15px;
  color: var(--gray);
  max-width: 900px;
}

/* ============ buttons ============ */

.btn-primary,
.btn-outline,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius);
  border: 1px solid var(--ink);
  cursor: pointer;
  text-align: center;
}

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

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

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

.btn-outline:hover {
  background: var(--highlight);
  color: var(--ink);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.btn-ghost:hover {
  border-color: var(--ink);
  background: var(--white);
}

/* ============ section head ============ */

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding-bottom: 8px;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--ink);
}

.section-head h2 {
  font-size: 24px;
}

.section-note,
.section-lead {
  font-size: 14px;
  color: var(--gray);
}

.section-title {
  font-size: 24px;
  padding-bottom: 8px;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--ink);
}

.section-more {
  margin-top: 14px;
  font-size: 14px;
}

.section-more a {
  font-weight: 700;
  color: var(--accent);
  margin-right: 16px;
  border-bottom: 1px solid transparent;
}

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

/* ============ tags & states ============ */

.genre-tag,
.tag {
  display: inline-block;
  font-size: 12px;
  line-height: 1.6;
  padding: 1px 8px;
  border: 1px solid var(--ink);
  border-radius: 3px;
  background: var(--white);
  color: var(--ink);
  white-space: nowrap;
}

.genre-tag:hover,
.tag:hover {
  color: var(--ink);
}

.tag-hotblood,
.genre-hot {
  background: var(--highlight);
}

.tag-mystery,
.tag-suspense {
  background: #e6e2f5;
}

.tag-daily {
  background: #e2f0e6;
}

.tag-romance {
  background: #fbe3ea;
}

.tag-fantasy {
  background: #e3eefb;
}

.tag-scifi {
  background: #e0f2f1;
}

.tag-shonen {
  background: #fdeacd;
}

.update-state,
.status {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 1px 7px;
  border-radius: 3px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--gray);
  white-space: nowrap;
}

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

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

.status-steady {
  border-color: var(--line);
  color: var(--gray);
}

.status-hiatus {
  border-color: var(--line);
  color: var(--gray);
  background: var(--paper);
}

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 32px;
  padding: 32px 0 28px;
  border-bottom: 2px solid var(--ink);
}

.hero-text {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero-text h1 {
  font-size: 40px;
  font-weight: 900;
  line-height: 1.2;
}

.hero-lead {
  font-size: 16px;
  color: var(--gray);
  max-width: 620px;
}

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

.hero-visual {
  min-width: 0;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  background: var(--white);
  overflow: hidden;
}

.hero-visual img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.hero-visual figcaption {
  font-size: 13px;
  color: var(--gray);
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
}

.hero-points {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 4px;
}

.hero-points li {
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 14px;
  color: var(--ink);
}

/* ============ home page layout ============ */

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 40px;
  padding-top: 36px;
}

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

.layout-side {
  min-width: 0;
}

.layout-main > section,
.layout-side > section {
  margin-bottom: 44px;
}

/* ============ today updates ============ */

.update-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.update-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.update-card:hover {
  transform: translateY(-2px);
  border-color: var(--ink);
  box-shadow: 0 4px 0 var(--ink);
}

.update-card .cover {
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: 4px;
  overflow: hidden;
  background: var(--paper);
}

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

.card-title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
}

/* ============ timeline (home) ============ */

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

.timeline-row {
  display: grid;
  grid-template-columns: 96px 96px minmax(0, 1fr) 88px;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}

.timeline-row:hover {
  background: var(--white);
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gray);
}

.timeline-name {
  font-size: 15px;
  font-weight: 600;
  min-width: 0;
}

/* ============ genre wall ============ */

.wall-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 28px;
}

.wall-group {
  border-top: 2px solid var(--ink);
  padding-top: 10px;
}

.group-title {
  font-size: 18px;
  margin-bottom: 10px;
}

.wall-covers {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.wall-covers li {
  min-width: 0;
}

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

/* ============ reading notes (home) ============ */

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

.note-block {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.note-block h3 {
  font-size: 17px;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line-soft);
}

.note-block p {
  font-size: 14px;
  color: var(--gray);
}

/* ============ rank brief (home aside) ============ */

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

.rank-row {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-soft);
}

.rank-row:hover .rank-num {
  background: var(--highlight);
}

.rank-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  border-radius: 3px;
  padding: 1px 0;
}

.rank-name {
  font-size: 14px;
  font-weight: 600;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ============ picks brief (home aside) ============ */

.pick-row {
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}

.pick-name {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}

.pick-idea {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 6px;
}

.pick-count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gray);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 1px 7px;
  background: var(--white);
}

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

.tag-anchor-bar {
  margin-bottom: 30px;
}

.tag-anchor-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-anchor {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 6px 16px;
  font-size: 14px;
  font-weight: 600;
  background: var(--white);
  border: 1px solid var(--ink);
  border-radius: var(--radius);
}

.tag-anchor:hover {
  background: var(--highlight);
  color: var(--ink);
}

.genre-group {
  padding-top: 8px;
  margin-bottom: 40px;
  scroll-margin-top: 80px;
}

.genre-group-head {
  border-bottom: 2px solid var(--ink);
  padding-bottom: 8px;
  margin-bottom: 18px;
}

.genre-group-head h2 {
  font-size: 24px;
}

.genre-group-desc {
  font-size: 14px;
  color: var(--gray);
  margin-top: 4px;
}

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

.cover-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.cover-card:hover {
  transform: translateY(-2px);
  border-color: var(--ink);
  box-shadow: 0 4px 0 var(--ink);
}

.cover-media {
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: 4px;
  overflow: hidden;
  background: var(--paper);
}

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

.cover-name {
  font-size: 16px;
  font-weight: 700;
}

.cover-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.cover-note {
  font-size: 13px;
  color: var(--gray);
}

/* ============ field table ============ */

.field-table-section,
.guide-fields {
  margin-bottom: 40px;
}

.field-table {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.field-table caption {
  text-align: left;
  font-size: 13px;
  color: var(--gray);
  padding: 10px 14px;
  border-bottom: 1px solid var(--line-soft);
}

.field-table th,
.field-table td {
  text-align: left;
  padding: 12px 14px;
  font-size: 14px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
}

.field-table thead th {
  background: var(--ink);
  color: var(--white);
  font-weight: 700;
}

.field-table tbody th {
  width: 180px;
  font-weight: 700;
  background: var(--paper);
}

.field-table tbody td {
  color: var(--gray);
}

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

/* ============ related entries ============ */

.related-entry,
.related-links,
.about-links {
  margin-bottom: 40px;
}

.related-entry h2,
.related-links h2,
.about-links h2,
.collect-basis h2,
.guide-boundary h2,
.guide-faq h2,
.guide-steps h2,
.guide-fields h2,
.calendar-notes h2,
.week-board h2,
.overview-strip h2,
.reading-order h2,
.topic-cards h2,
.topic-index h2 {
  font-size: 24px;
  padding-bottom: 8px;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--ink);
}

.entry-links,
.related-links ul,
.about-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.entry-link,
.related-list a,
.entry-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  background: var(--white);
  border: 1px solid var(--ink);
  border-radius: var(--radius);
}

.entry-link:hover,
.related-list a:hover,
.entry-links a:hover {
  background: var(--highlight);
  color: var(--ink);
}

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

.rank-criteria {
  margin-bottom: 40px;
}

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

.criteria-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.criteria-name {
  font-size: 17px;
  margin-bottom: 6px;
}

.criteria-text {
  font-size: 14px;
  color: var(--gray);
}

.rank-block {
  margin-bottom: 44px;
}

.rank-block-head {
  border-bottom: 2px solid var(--ink);
  padding-bottom: 8px;
  margin-bottom: 14px;
}

.rank-block-head .section-title {
  border-bottom: 0;
  padding-bottom: 0;
  margin-bottom: 4px;
}

.rank-block .rank-list {
  border-top: 0;
}

.rank-block .rank-row {
  grid-template-columns: 40px 64px minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  padding: 12px 0;
}

.rank-no {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  text-align: center;
  border-radius: 3px;
  padding: 2px 0;
}

.rank-row:hover .rank-no {
  background: var(--highlight);
}

.rank-thumb {
  width: 64px;
  aspect-ratio: 3 / 4;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--paper);
}

.rank-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.rank-body {
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}

.rank-body .rank-name {
  font-size: 16px;
  font-weight: 700;
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
}

.rank-meta {
  flex: 1 1 220px;
  font-size: 13px;
  color: var(--gray);
}

.rank-genre-links {
  margin-bottom: 40px;
}

.genre-link-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.genre-link-list a {
  display: inline-block;
  min-height: 40px;
  padding: 6px 16px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius);
}

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

.page-container {
  min-width: 0;
}

.overview-strip {
  margin-bottom: 40px;
}

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

.overview-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 14px 18px;
}

.overview-label {
  font-size: 13px;
  color: var(--gray);
}

.overview-value {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  margin: 2px 0 4px;
}

.overview-note {
  font-size: 13px;
  color: var(--gray);
}

.week-board {
  margin-bottom: 40px;
}

.week-columns {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 14px;
}

.day-column {
  min-width: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 10px;
}

.day-title {
  font-size: 14px;
  font-weight: 700;
  text-align: center;
  padding-bottom: 8px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--line-soft);
}

.day-column .timeline-list {
  border-top: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.timeline-item {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}

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

.timeline-thumb {
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--paper);
}

.timeline-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.timeline-body .timeline-name {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.45;
}

.timeline-status {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gray);
}

.calendar-notes {
  margin-bottom: 40px;
}

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

/* ============ picks page ============ */

.topic-index {
  margin-bottom: 36px;
}

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

.topic-index-list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  background: var(--white);
  border: 1px solid var(--ink);
  border-radius: var(--radius);
}

.topic-index-list a:hover {
  background: var(--highlight);
  color: var(--ink);
}

.topic-cards {
  margin-bottom: 40px;
}

.topic-card {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 24px;
  scroll-margin-top: 80px;
}

.topic-card-media {
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--paper);
}

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

.topic-card-body {
  min-width: 0;
}

.topic-card-body h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.topic-card-idea {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 8px;
}

.topic-card-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gray);
  margin-bottom: 12px;
}

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

.topic-card-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
}

.topic-card-list a {
  font-weight: 600;
  min-width: 0;
}

.reading-order {
  margin-bottom: 40px;
}

.reading-order-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  counter-reset: reading-step;
}

.reading-order-item {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px 16px 56px;
  counter-increment: reading-step;
}

.reading-order-item::before {
  content: counter(reading-step, decimal-leading-zero);
  position: absolute;
  left: 16px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
}

.reading-order-item h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.reading-order-item p {
  font-size: 14px;
  color: var(--gray);
}

.collect-basis {
  margin-bottom: 40px;
}

.collect-basis p {
  font-size: 15px;
  color: var(--gray);
  margin-bottom: 12px;
  max-width: 900px;
}

.collect-basis-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.collect-basis-links a {
  font-weight: 700;
  color: var(--accent);
  border-bottom: 1px solid transparent;
}

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

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

.guide-figure {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  overflow: hidden;
  margin-bottom: 36px;
}

.guide-figure img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.guide-figure figcaption {
  font-size: 13px;
  color: var(--gray);
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
}

.guide-steps,
.guide-faq,
.guide-boundary {
  margin-bottom: 40px;
}

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

.step-item {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px 16px 56px;
  counter-increment: guide-step;
}

.step-item::before {
  content: counter(guide-step);
  position: absolute;
  left: 16px;
  top: 16px;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  background: var(--accent);
  border-radius: 4px;
}

.step-name {
  font-size: 17px;
  margin-bottom: 6px;
}

.step-item p {
  font-size: 14px;
  color: var(--gray);
}

.step-item p a {
  font-weight: 700;
  color: var(--accent);
  border-bottom: 1px solid transparent;
}

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

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

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

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 40px 14px 16px;
  font-size: 16px;
  font-weight: 700;
  position: relative;
}

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

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

.faq-item[open] summary::after {
  content: "\2212";
}

.faq-item summary:hover {
  background: var(--paper);
}

.faq-item p {
  padding: 0 16px 16px;
  font-size: 14px;
  color: var(--gray);
}

.guide-boundary p {
  font-size: 15px;
  color: var(--gray);
  margin-bottom: 12px;
  max-width: 900px;
}

.guide-boundary .entry-links {
  margin-top: 16px;
}

/* ============ about page ============ */

.about-intro,
.about-maintain,
.about-feedback,
.about-limits {
  margin-bottom: 40px;
}

.about-intro h2,
.about-maintain h2,
.about-feedback h2,
.about-limits h2 {
  font-size: 24px;
  padding-bottom: 8px;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--ink);
}

.about-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 360px);
  gap: 28px;
  align-items: start;
  margin-bottom: 24px;
}

.about-intro-text {
  min-width: 0;
}

.about-intro-text p {
  font-size: 15px;
  color: var(--gray);
  margin-bottom: 12px;
}

.about-intro-figure {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  overflow: hidden;
}

.about-intro-figure img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.about-intro-figure figcaption {
  font-size: 13px;
  color: var(--gray);
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
}

.about-scope-list h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.scope-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 24px;
}

.scope-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--gray);
}

.scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 2px;
}

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

.maintain-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.maintain-item h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.maintain-item p {
  font-size: 14px;
  color: var(--gray);
}

.maintain-note {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  color: var(--gray);
}

.feedback-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.feedback-step {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.feedback-step .step-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
  background: var(--ink);
  border-radius: 3px;
  padding: 1px 8px;
  margin-bottom: 8px;
}

.feedback-step h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.feedback-step p {
  font-size: 14px;
  color: var(--gray);
}

.limits-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 24px;
}

.limits-list li {
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 18px;
}

.limits-list h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.limits-list p {
  font-size: 14px;
  color: var(--gray);
}

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

.error-panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 6px solid var(--accent);
  border-radius: var(--radius);
  padding: 40px 36px;
  max-width: 720px;
  width: 100%;
}

.error-code {
  font-family: var(--font-mono);
  font-size: 56px;
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
  margin-bottom: 12px;
}

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

.error-lead {
  font-size: 15px;
  color: var(--gray);
  margin-bottom: 18px;
}

.error-hint {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.error-hint li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--gray);
}

.error-hint li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background: var(--ink);
  border-radius: 2px;
}

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

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

.site-footer {
  background: var(--ink);
  color: #e8e5df;
  margin-top: 40px;
}

.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 40px 24px 24px;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: 32px;
}

.footer-brand-name {
  font-size: 18px;
  font-weight: 900;
  color: var(--white);
  margin-bottom: 8px;
}

.footer-desc {
  font-size: 13px;
  line-height: 1.7;
  color: #b8b4ac;
}

.footer-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid #3a3a3a;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  font-size: 13px;
  color: #c9c5bd;
}

.footer-links a:hover {
  color: var(--highlight);
}

.footer-bottom {
  max-width: var(--container);
  margin: 0 auto;
  padding: 16px 24px 28px;
  font-size: 12px;
  color: #8f8b84;
  border-top: 1px solid #3a3a3a;
}

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

@media (max-width: 1024px) {
  .home-main,
  .inner-main,
  .error-main {
    padding-left: 20px;
    padding-right: 20px;
  }

  .header-bar,
  .footer-inner,
  .footer-bottom {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .hero-text h1 {
    font-size: 34px;
  }

  .hero-visual img {
    height: 260px;
  }

  .page-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 36px;
  }

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

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

  .week-columns {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .topic-card {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .about-intro-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
  }

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

@media (max-width: 768px) {
  .header-bar {
    gap: 12px;
  }

  .brand {
    font-size: 18px;
    flex: 1 1 auto;
  }

  .site-nav {
    display: none;
  }

  .nav-toggle {
    display: block;
    flex: 0 0 auto;
    order: 3;
  }

  .update-badge {
    order: 2;
  }

  .mobile-nav.is-open,
  .mobile-nav:not([hidden]) {
    display: block;
  }

  .hero {
    padding: 24px 0 22px;
  }

  .hero-text h1 {
    font-size: 28px;
  }

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

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

  .timeline-row {
    grid-template-columns: 84px minmax(0, 1fr) 76px;
    gap: 10px;
  }

  .timeline-row .genre-tag {
    grid-column: 2 / 3;
    justify-self: start;
  }

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

  .notes-grid,
  .criteria-grid,
  .overview-list,
  .note-grid,
  .reading-order-list,
  .step-list,
  .maintain-grid,
  .feedback-steps {
    grid-template-columns: minmax(0, 1fr);
  }

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

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

  .topic-card {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .topic-card-media {
    max-width: 260px;
  }

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

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

  .rank-block .rank-row {
    grid-template-columns: 34px 56px minmax(0, 1fr);
    gap: 10px;
  }

  .rank-thumb {
    width: 56px;
  }

  .rank-meta {
    flex-basis: 100%;
  }

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

@media (max-width: 480px) {
  body {
    font-size: 15px;
  }

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

  .header-bar,
  .footer-inner,
  .footer-bottom {
    padding-left: 16px;
    padding-right: 16px;
  }

  .mobile-nav-list {
    padding-left: 16px;
    padding-right: 16px;
  }

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

  .hero-text h1 {
    font-size: 25px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn-primary,
  .hero-actions .btn-outline {
    width: 100%;
  }

  .hero-visual img {
    height: 200px;
  }

  .section-head h2,
  .section-title,
  .related-entry h2,
  .related-links h2,
  .about-links h2,
  .collect-basis h2,
  .guide-boundary h2,
  .guide-faq h2,
  .guide-steps h2,
  .guide-fields h2,
  .calendar-notes h2,
  .week-board h2,
  .overview-strip h2,
  .reading-order h2,
  .topic-cards h2,
  .topic-index h2,
  .about-intro h2,
  .about-maintain h2,
  .about-feedback h2,
  .about-limits h2 {
    font-size: 21px;
  }

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

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

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

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

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

  .timeline-row .genre-tag {
    grid-column: auto;
  }

  .rank-block .rank-row {
    grid-template-columns: 30px 52px minmax(0, 1fr);
  }

  .rank-thumb {
    width: 52px;
  }

  .field-table tbody th {
    width: auto;
  }

  .field-table th,
  .field-table td {
    padding: 10px 12px;
    font-size: 13px;
  }

  .topic-card {
    padding: 14px;
  }

  .topic-card-list li {
    flex-wrap: wrap;
    gap: 6px;
  }

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

  .error-code {
    font-size: 44px;
  }

  .error-panel h1 {
    font-size: 24px;
  }

  .entry-links,
  .related-links ul,
  .about-links ul,
  .topic-index-list,
  .genre-link-list,
  .tag-anchor-list {
    flex-direction: column;
    align-items: stretch;
  }

  .entry-link,
  .related-list a,
  .entry-links a,
  .topic-index-list a,
  .genre-link-list a,
  .tag-anchor {
    justify-content: center;
    width: 100%;
  }
}