:root {
  --paper: #f7f3ea;
  --paper-deep: #efe7d8;
  --ink: #1f2b3a;
  --ink-soft: #40505f;
  --red: #d24b3e;
  --teal: #6f8794;
  --gold: #e0a83c;
  --line: #d8cfbe;
  --line-soft: #e6ded0;
  --white: #fffdf8;
  --shadow: 0 1px 2px rgba(31, 43, 58, 0.08), 0 6px 18px rgba(31, 43, 58, 0.06);
  --radius: 8px;
  --radius-sm: 6px;
  --wrap: 1120px;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

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

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

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

body {
  margin: 0;
  background-color: var(--paper);
  color: var(--ink);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--ink);
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

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

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

p {
  margin: 0;
}

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

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

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

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

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

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

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

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

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

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

/* ---------- header ---------- */

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

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

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  color: var(--ink);
}

.brand:hover {
  color: var(--ink);
}

.brand-mark {
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  border-radius: var(--radius-sm);
  background-color: var(--ink);
  position: relative;
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 8px 8px 8px 8px;
  border-left: 2px solid var(--paper);
  border-bottom: 2px solid var(--paper);
}

.brand-name {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand-sub {
  font-size: 12px;
  color: var(--teal);
  padding-left: 10px;
  border-left: 1px solid var(--line);
  line-height: 1.2;
}

.site-nav {
  flex: 1 1 auto;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  justify-content: flex-end;
}

.site-nav a {
  display: inline-block;
  padding: 8px 12px;
  font-size: 15px;
  color: var(--ink-soft);
  border-radius: var(--radius-sm);
  border-bottom: 2px solid transparent;
}

.site-nav a:hover {
  color: var(--ink);
  background-color: var(--paper-deep);
}

.site-nav a.is-current {
  color: var(--red);
  border-bottom-color: var(--red);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background-color: var(--white);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--ink);
}

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

.mobile-nav ul {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 8px 24px 16px;
}

.mobile-nav a {
  display: block;
  padding: 12px 4px;
  min-height: 44px;
  font-size: 15px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--ink-soft);
}

.mobile-nav li:last-child a {
  border-bottom: 0;
}

.mobile-nav a.is-current {
  color: var(--red);
  font-weight: 600;
}

/* ---------- footer ---------- */

.site-footer {
  background-color: var(--ink);
  color: #d9d2c4;
  margin-top: auto;
}

.footer-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 40px 24px 28px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 28px;
}

.footer-title {
  font-size: 15px;
  color: var(--white);
  margin-bottom: 12px;
}

.footer-about p {
  font-size: 14px;
  line-height: 1.8;
  color: #b9b1a3;
}

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

.footer-col a {
  font-size: 14px;
  color: #b9b1a3;
}

.footer-col a:hover {
  color: var(--gold);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-bottom p {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 14px 24px;
  font-size: 13px;
  color: #8f887b;
}

.footer-bottom p + p {
  padding-top: 0;
}

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

/* ---------- breadcrumb & page header ---------- */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--teal);
  padding: 4px 0 14px;
}

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

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

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

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

.page-header {
  padding-bottom: 18px;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 26px;
}

.page-title {
  font-size: 34px;
  font-weight: 700;
  color: var(--ink);
}

/* ---------- buttons & text links ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
}

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

.btn-primary:hover {
  background-color: #b93d31;
  color: var(--white);
}

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

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

.text-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--red);
  border-bottom: 1px solid rgba(210, 75, 62, 0.4);
  padding-bottom: 1px;
}

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

/* ---------- section head ---------- */

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

.section-head h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.section-head p {
  font-size: 14px;
  color: var(--ink-soft);
  max-width: 720px;
}

.section-intro {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 18px;
  max-width: 720px;
}

.section-lead {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 16px;
}

/* ---------- genre chips ---------- */

.genre-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
  padding: 7px 14px;
  font-size: 14px;
  color: var(--ink);
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
  white-space: nowrap;
}

.genre-chip:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.genre-chip--red {
  border-left: 4px solid var(--red);
}

.genre-chip--blue {
  border-left: 4px solid var(--teal);
}

.genre-chip--gold {
  border-left: 4px solid var(--gold);
}

.genre-chip--teal {
  border-left: 4px solid #4f7d72;
}

/* ---------- figure ---------- */

figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background-color: var(--paper-deep);
}

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

/* ---------- faq ---------- */

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background-color: var(--white);
  margin-bottom: 10px;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 44px 14px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  position: relative;
  min-height: 44px;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  font-weight: 400;
  color: var(--red);
  line-height: 1;
}

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

.faq-item[open] summary {
  border-bottom: 1px solid var(--line-soft);
}

.faq-item p {
  padding: 14px 16px;
  font-size: 14.5px;
  color: var(--ink-soft);
}

.faq-answer p {
  padding: 14px 16px;
  font-size: 14.5px;
  color: var(--ink-soft);
}

/* ---------- aside blocks ---------- */

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

.aside-block h2 {
  font-size: 17px;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}

.aside-links li {
  margin-bottom: 10px;
}

.aside-links a {
  font-size: 14.5px;
  color: var(--ink-soft);
  display: inline-block;
  padding: 4px 0;
}

.aside-links a:hover {
  color: var(--red);
}

/* ---------- related links ---------- */

.related-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.related-links-label {
  font-size: 14px;
  color: var(--teal);
}

.related-links-item {
  font-size: 14px;
  font-weight: 600;
  color: var(--red);
}

.related-links-item:hover {
  color: var(--ink);
}

/* ==========================================================================
   pages
   ========================================================================== */

/* ---------- home: genre strip ---------- */

.genre-strip {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--line-soft);
}

.strip-track {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  scroll-behavior: smooth;
  padding: 4px 2px;
  flex: 1 1 auto;
  scrollbar-width: thin;
}

.strip-track::-webkit-scrollbar {
  height: 6px;
}

.strip-track::-webkit-scrollbar-thumb {
  background-color: var(--line);
  border-radius: 3px;
}

.strip-arrow {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background-color: var(--white);
  position: relative;
}

.strip-arrow span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9px;
  height: 9px;
  border-top: 2px solid var(--ink);
  border-right: 2px solid var(--ink);
}

.strip-arrow-prev span {
  transform: translate(-30%, -50%) rotate(-135deg);
}

.strip-arrow-next span {
  transform: translate(-70%, -50%) rotate(45deg);
}

.strip-arrow:hover {
  border-color: var(--ink);
}

.strip-note {
  flex: 0 0 auto;
  max-width: 240px;
  font-size: 13px;
  color: var(--teal);
  line-height: 1.5;
  text-align: right;
}

/* ---------- home: hero ---------- */

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
  padding: 40px 0 48px;
}

.hero-kicker {
  display: inline-block;
  font-size: 13px;
  color: var(--red);
  border: 1px solid rgba(210, 75, 62, 0.35);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 16px;
}

.hero-copy h1 {
  font-size: 34px;
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 16px;
  color: var(--ink-soft);
  max-width: 520px;
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

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

.hero-facts dt {
  font-size: 13px;
  color: var(--teal);
  margin-bottom: 4px;
}

.hero-facts dd {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.hero-stack {
  position: relative;
  min-height: 340px;
}

.cover-card {
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.cover-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}

.cover-card figcaption {
  padding: 8px 12px;
  margin-top: 0;
  font-size: 13px;
  color: var(--ink-soft);
  background-color: var(--white);
}

.cover-card-main {
  position: absolute;
  left: 0;
  top: 0;
  width: 62%;
  height: 300px;
  z-index: 2;
}

.cover-card-side {
  position: absolute;
  width: 46%;
  height: 220px;
}

.cover-card-side:nth-child(2) {
  right: 0;
  top: 28px;
  z-index: 1;
}

.cover-card-side:nth-child(3) {
  right: 12%;
  bottom: 0;
  z-index: 3;
}

/* ---------- home: scope ---------- */

.scope-block {
  padding: 44px 0;
  border-top: 1px solid var(--line);
}

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

.scope-item {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}

.scope-item h3 {
  font-size: 17px;
  margin-bottom: 10px;
}

.scope-item p {
  font-size: 14.5px;
  color: var(--ink-soft);
  margin-bottom: 14px;
}

/* ---------- home: path ---------- */

.path-block {
  padding: 44px 0;
  border-top: 1px solid var(--line);
}

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

.path-step {
  position: relative;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 22px 22px;
}

.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background-color: var(--ink);
  color: var(--paper);
  font-size: 15px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  margin-bottom: 14px;
}

.path-step h3 {
  font-size: 17px;
  margin-bottom: 10px;
}

.path-step p {
  font-size: 14.5px;
  color: var(--ink-soft);
  margin-bottom: 14px;
}

/* ---------- home: updates ---------- */

.updates-block {
  padding: 44px 0;
  border-top: 1px solid var(--line);
}

.update-list {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--white);
  overflow: hidden;
}

.update-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 0.9fr 0.7fr auto;
  align-items: center;
  gap: 12px;
  padding: 13px 18px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14.5px;
}

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

.update-row:hover {
  background-color: var(--paper-deep);
}

.update-title {
  font-weight: 600;
  color: var(--ink);
}

.update-meta {
  color: var(--teal);
  font-size: 13.5px;
  font-variant-numeric: tabular-nums;
}

.update-change {
  font-size: 13px;
  color: var(--red);
  border: 1px solid rgba(210, 75, 62, 0.35);
  border-radius: 999px;
  padding: 2px 10px;
  justify-self: start;
  white-space: nowrap;
}

.update-time {
  font-size: 13.5px;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

.update-link {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--red);
  white-space: nowrap;
}

.update-link:hover {
  color: var(--ink);
}

/* ---------- home: cover wall ---------- */

.coverwall-block {
  padding: 44px 0;
  border-top: 1px solid var(--line);
}

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

.cover-tile {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

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

.cover-tile figure {
  height: 190px;
  overflow: hidden;
}

.cover-tile figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}

.cover-tile h3 {
  font-size: 16px;
  padding: 12px 14px 6px;
}

.tile-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--ink-soft);
  padding: 0 14px;
}

.tag-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex: 0 0 auto;
  background-color: var(--teal);
}

.tag-dot-mystery {
  background-color: var(--teal);
}

.tag-dot-scifi {
  background-color: #4f7d72;
}

.tag-dot-history {
  background-color: var(--gold);
}

.tag-dot-daily {
  background-color: var(--red);
}

.tag-dot-heal {
  background-color: #b07a86;
}

.tile-meta {
  font-size: 13px;
  color: var(--teal);
  padding: 6px 14px 0;
  font-variant-numeric: tabular-nums;
}

.tile-link {
  margin: 12px 14px 16px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--red);
  align-self: flex-start;
}

.tile-link:hover {
  color: var(--ink);
}

/* ---------- home: rank ---------- */

.rank-block {
  padding: 44px 0;
  border-top: 1px solid var(--line);
}

.rank-rows {
  display: grid;
  gap: 18px;
}

.rank-row {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  display: grid;
  grid-template-columns: 220px 1fr auto;
  grid-template-areas:
    "title desc link"
    "title items link";
  align-items: center;
  gap: 6px 24px;
}

.rank-row h3 {
  grid-area: title;
  font-size: 17px;
}

.rank-desc {
  grid-area: desc;
  font-size: 13.5px;
  color: var(--teal);
}

.rank-item {
  grid-area: items;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
  color: var(--ink-soft);
  padding: 4px 0;
  border-top: 1px dashed var(--line-soft);
}

.rank-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  border-radius: var(--radius-sm);
  background-color: var(--paper-deep);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.rank-sub {
  color: var(--teal);
  font-size: 13px;
  margin-left: auto;
}

.rank-row .text-link {
  grid-area: link;
  align-self: center;
}

/* ---------- home: notes entry ---------- */

.notes-entry {
  padding: 44px 0;
  border-top: 1px solid var(--line);
}

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

.note-card {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}

.note-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.note-card p {
  font-size: 14.5px;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.note-meta {
  font-size: 13px;
  color: var(--teal);
  font-variant-numeric: tabular-nums;
}

/* ---------- home: faq preview ---------- */

.faq-preview {
  padding: 44px 0 8px;
  border-top: 1px solid var(--line);
}

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

/* ---------- genres page ---------- */

.page-head {
  margin-bottom: 26px;
}

.page-head-desc {
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 760px;
}

.page-genres .genre-strip {
  align-items: flex-start;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  padding: 16px 0;
  margin-bottom: 32px;
}

.genre-strip-track {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  scroll-behavior: smooth;
  padding: 4px 2px;
  flex: 1 1 auto;
  scrollbar-width: thin;
}

.genre-strip-track::-webkit-scrollbar {
  height: 6px;
}

.genre-strip-track::-webkit-scrollbar-thumb {
  background-color: var(--line);
  border-radius: 3px;
}

.genre-strip-side {
  flex: 0 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  max-width: 260px;
}

.genre-strip-btn {
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background-color: var(--white);
  position: relative;
}

.genre-strip-btn::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  border-top: 2px solid var(--ink);
  border-right: 2px solid var(--ink);
}

.genre-strip-btn--prev::after {
  transform: translate(-30%, -50%) rotate(-135deg);
}

.genre-strip-btn--next::after {
  transform: translate(-70%, -50%) rotate(45deg);
}

.genre-strip-btn:hover {
  border-color: var(--ink);
}

.genre-strip-note {
  flex: 1 1 100%;
  font-size: 13px;
  color: var(--teal);
  line-height: 1.55;
}

.genre-table-section {
  margin-bottom: 44px;
}

.genre-figure {
  margin-bottom: 22px;
  height: 260px;
}

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

.genre-row {
  display: grid;
  grid-template-columns: 1.1fr 0.8fr 1.4fr 1.2fr 0.9fr;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14.5px;
}

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

.genre-row:hover {
  background-color: var(--paper-deep);
}

.genre-row--head {
  background-color: var(--ink);
  color: var(--paper);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.genre-row--head:hover {
  background-color: var(--ink);
}

.genre-cell {
  color: var(--ink-soft);
  min-width: 0;
  overflow-wrap: anywhere;
}

.genre-row--head .genre-cell {
  color: var(--paper);
}

.genre-cell--name {
  font-weight: 600;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
}

.genre-cell a {
  color: var(--red);
  font-weight: 600;
  font-size: 13.5px;
}

.genre-cell a:hover {
  color: var(--ink);
}

.swatch {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  flex: 0 0 auto;
  display: inline-block;
}

.swatch--red {
  background-color: var(--red);
}

.swatch--blue {
  background-color: var(--teal);
}

.swatch--gold {
  background-color: var(--gold);
}

.swatch--teal {
  background-color: #4f7d72;
}

.swatch--mix {
  background-color: #b07a86;
}

.genre-swatch-section {
  margin-bottom: 44px;
}

.swatch-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.swatch-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.swatch-item .swatch {
  margin-top: 6px;
}

.swatch-hint {
  font-size: 14.5px;
  color: var(--ink-soft);
}

/* ---------- volumes page ---------- */

.page-hero {
  margin-bottom: 30px;
}

.page-lead {
  font-size: 15px;
  color: var(--ink-soft);
  max-width: 780px;
  margin-bottom: 20px;
}

.page-media {
  height: 280px;
}

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 32px;
  align-items: start;
}

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

.layout-aside {
  position: sticky;
  top: 84px;
}

.volumes-list {
  margin-bottom: 44px;
}

.volume-group {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 18px;
}

.volume-group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.volume-group-head h3 {
  font-size: 17px;
}

.volume-meta {
  font-size: 13.5px;
  color: var(--teal);
  font-variant-numeric: tabular-nums;
}

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

.volume-table caption {
  text-align: left;
  font-size: 13px;
  color: var(--teal);
  padding-bottom: 8px;
}

.volume-table th,
.volume-table td {
  text-align: left;
  padding: 9px 10px;
  border-bottom: 1px solid var(--line-soft);
  font-variant-numeric: tabular-nums;
}

.volume-table th {
  font-size: 13px;
  font-weight: 600;
  color: var(--teal);
  white-space: nowrap;
}

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

.volume-table tbody tr:hover {
  background-color: var(--paper-deep);
}

.tag-genre {
  display: inline-block;
  font-size: 12.5px;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 1px 9px;
  white-space: nowrap;
}

.status {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 600;
  border-radius: 999px;
  padding: 1px 9px;
  white-space: nowrap;
}

.status-full {
  color: #2f6b5c;
  background-color: rgba(79, 125, 114, 0.14);
}

.status-ongoing {
  color: #a6372b;
  background-color: rgba(210, 75, 62, 0.13);
}

.status-partial {
  color: #8a6415;
  background-color: rgba(224, 168, 60, 0.18);
}

.change-log {
  margin-bottom: 20px;
}

.change-list {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--white);
  overflow: hidden;
}

.change-row {
  display: grid;
  grid-template-columns: 110px 1.2fr 0.8fr 1.6fr;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
}

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

.change-row time {
  color: var(--teal);
  font-size: 13.5px;
}

.change-target {
  font-weight: 600;
}

.change-type {
  font-size: 13px;
  color: var(--red);
  white-space: nowrap;
}

.change-note {
  color: var(--ink-soft);
  font-size: 13.5px;
}

.field-list dt {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink);
  margin-top: 12px;
}

.field-list dt:first-child {
  margin-top: 0;
}

.field-list dd {
  font-size: 13.5px;
  color: var(--ink-soft);
  margin-top: 4px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line-soft);
}

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

.related-links ul {
  display: grid;
  gap: 10px;
}

.related-links li a {
  font-size: 14.5px;
  color: var(--ink-soft);
  display: inline-block;
  padding: 4px 0;
}

.related-links li a:hover {
  color: var(--red);
}

/* ---------- notes page ---------- */

.page-notes .page-head {
  margin-bottom: 24px;
}

.anchor-nav {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 36px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
}

.anchor-nav-title {
  font-size: 15px;
  color: var(--teal);
  font-weight: 600;
}

.anchor-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.anchor-nav a {
  font-size: 14.5px;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
  padding-bottom: 1px;
}

.anchor-nav a:hover {
  color: var(--red);
  border-bottom-color: var(--red);
}

.note-article {
  max-width: 820px;
}

.note-block {
  margin-bottom: 44px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--line);
}

.note-block:last-child {
  border-bottom: 0;
  margin-bottom: 20px;
}

.note-block h2 {
  font-size: 22px;
  margin-bottom: 14px;
}

.note-block > p {
  font-size: 15.5px;
  color: var(--ink-soft);
  margin-bottom: 14px;
}

.note-media {
  margin: 20px 0;
  height: 300px;
}

.note-ref {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--gold);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  margin-top: 22px;
}

.note-ref h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.note-ref p {
  font-size: 14.5px;
  color: var(--ink-soft);
}

.note-ref-links {
  margin-top: 10px;
}

.note-ref-links a {
  font-size: 14px;
  font-weight: 600;
  color: var(--red);
}

.note-ref-links a:hover {
  color: var(--ink);
}

.symbol-list {
  margin: 18px 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--white);
  overflow: hidden;
}

.symbol-list dt {
  font-size: 15px;
  font-weight: 600;
  padding: 12px 18px 2px;
}

.symbol-list dd {
  font-size: 14px;
  color: var(--ink-soft);
  padding: 0 18px 12px;
  border-bottom: 1px solid var(--line-soft);
}

.symbol-list dd:last-child {
  border-bottom: 0;
}

.related-entries {
  max-width: 820px;
  margin-top: 20px;
}

.related-entries h2 {
  font-size: 20px;
  margin-bottom: 12px;
}

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

.entry-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
}

.entry-list a {
  font-size: 15px;
  font-weight: 600;
  color: var(--red);
}

.entry-list a:hover {
  color: var(--ink);
}

.entry-list span {
  font-size: 13.5px;
  color: var(--teal);
}

/* ---------- start page ---------- */

.page-start .page-hero {
  margin-bottom: 26px;
}

.start-path {
  margin-bottom: 44px;
}

.path-figure {
  height: 260px;
  margin-bottom: 24px;
}

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

.start-path .path-step {
  display: flex;
  flex-direction: column;
}

.start-path .path-step p {
  flex: 1 0 auto;
}

.step-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--red);
  align-self: flex-start;
}

.step-link:hover {
  color: var(--ink);
}

.start-order {
  margin-bottom: 44px;
}

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

.order-card {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}

.order-card h3 {
  font-size: 17px;
  margin-bottom: 10px;
}

.order-card p {
  font-size: 14.5px;
  color: var(--ink-soft);
}

.start-faq {
  margin-bottom: 20px;
}

/* ---------- faq page ---------- */

.page-faq .page-title-area {
  padding-top: 8px;
}

.page-faq .page-media {
  height: 260px;
  margin-bottom: 30px;
}

.faq-group {
  margin-bottom: 40px;
}

.faq-group h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.page-layout .content-aside {
  min-width: 0;
}

/* ---------- about page ---------- */

.page-about .page-hero {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 28px;
  margin-bottom: 40px;
}

.page-hero-kicker {
  font-size: 13px;
  color: var(--red);
  margin-bottom: 10px;
}

.page-hero-lead {
  font-size: 15.5px;
  color: var(--ink-soft);
  max-width: 780px;
  margin-bottom: 18px;
}

.page-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  border-top: 1px solid var(--line-soft);
  padding-top: 14px;
}

.page-hero-meta li {
  font-size: 13.5px;
  color: var(--teal);
  font-variant-numeric: tabular-nums;
}

.section {
  margin-bottom: 44px;
}

.positioning-body > p {
  font-size: 15.5px;
  color: var(--ink-soft);
  max-width: 820px;
  margin-bottom: 16px;
}

.positioning-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.positioning-list li {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.positioning-list h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.positioning-list p {
  font-size: 14.5px;
  color: var(--ink-soft);
}

.positioning-list a {
  color: var(--red);
  font-weight: 600;
}

.positioning-list a:hover {
  color: var(--ink);
}

.method-figure {
  height: 260px;
  margin-bottom: 24px;
}

.method-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  counter-reset: method;
}

.method-steps li {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  position: relative;
  padding-left: 62px;
}

.method-steps li::before {
  counter-increment: method;
  content: counter(method, decimal-leading-zero);
  position: absolute;
  left: 20px;
  top: 20px;
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--red);
}

.method-steps h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.method-steps p {
  font-size: 14.5px;
  color: var(--ink-soft);
}

.boundary-list {
  display: grid;
  gap: 12px;
}

.boundary-list li {
  background-color: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--red);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
}

.boundary-list h3 {
  font-size: 15.5px;
  margin-bottom: 6px;
}

.boundary-list p {
  font-size: 14.5px;
  color: var(--ink-soft);
}

.section-related .related-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.section-related .related-links li a {
  display: block;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.section-related .related-links li a:hover {
  border-color: var(--red);
  color: var(--red);
}

/* ---------- 404 ---------- */

.site-error .error-main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 60px 24px 64px;
}

.error-panel {
  max-width: 640px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 36px;
}

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

.error-title {
  font-size: 30px;
  margin-bottom: 14px;
}

.error-text {
  font-size: 15.5px;
  color: var(--ink-soft);
  margin-bottom: 10px;
  max-width: 560px;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.error-links h2 {
  font-size: 20px;
  margin-bottom: 14px;
}

.error-links ul {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.error-links a {
  display: block;
  background-color: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.error-links a:hover {
  border-color: var(--red);
  color: var(--red);
}

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

@media (max-width: 1000px) {
  .site-nav ul {
    gap: 0;
  }

  .site-nav a {
    padding: 8px 9px;
    font-size: 14px;
  }

  .brand-sub {
    display: none;
  }

  .hero {
    gap: 28px;
  }

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

  .page-layout {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 24px;
  }

  .update-row {
    grid-template-columns: 1.4fr 1fr 0.9fr auto;
  }

  .update-change {
    display: none;
  }
}

@media (max-width: 900px) {
  .site-nav {
    display: none;
  }

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

  .mobile-nav {
    display: none;
  }

  .mobile-nav.is-open {
    display: block;
  }

  .header-inner {
    flex-wrap: wrap;
  }

  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr);
    padding: 32px 0 40px;
  }

  .hero-stack {
    min-height: 320px;
  }

  .cover-card-main {
    width: 58%;
    height: 280px;
  }

  .cover-card-side {
    width: 44%;
    height: 200px;
  }

  .scope-grid,
  .path-block .path-steps,
  .start-path .path-steps,
  .positioning-list,
  .section-related .related-links,
  .error-links ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .rank-row {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "title link"
      "desc desc"
      "items items";
  }

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

  .layout-aside {
    position: static;
  }

  .change-row {
    grid-template-columns: 100px 1fr 0.8fr;
  }

  .change-note {
    grid-column: 1 / -1;
  }

  .genre-row {
    grid-template-columns: 1.1fr 0.8fr 1.4fr;
  }

  .genre-row .genre-cell:nth-child(4),
  .genre-row .genre-cell:nth-child(5) {
    display: none;
  }

  .note-media {
    height: 240px;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 15.5px;
  }

  .home-main,
  .inner-main {
    padding: 0 16px 48px;
  }

  .header-inner {
    padding: 10px 16px;
    gap: 12px;
  }

  .brand-name {
    font-size: 17px;
  }

  .footer-inner {
    padding: 32px 16px 22px;
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

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

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

  .hero-copy h1 {
    font-size: 26px;
  }

  .hero-actions {
    gap: 10px;
  }

  .hero-actions .btn {
    flex: 1 1 auto;
  }

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

  .hero-stack {
    min-height: 0;
    display: grid;
    gap: 12px;
  }

  .cover-card-main,
  .cover-card-side {
    position: static;
    width: 100%;
    height: 200px;
  }

  .genre-strip {
    flex-wrap: wrap;
    gap: 10px;
  }

  .strip-track {
    order: 2;
    flex: 1 1 100%;
  }

  .strip-arrow {
    order: 1;
  }

  .strip-note {
    order: 3;
    flex: 1 1 100%;
    max-width: none;
    text-align: left;
  }

  .scope-grid,
  .path-block .path-steps,
  .start-path .path-steps,
  .notes-cards,
  .order-grid,
  .positioning-list,
  .method-steps,
  .section-related .related-links,
  .error-links ul,
  .swatch-list {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .cover-tile figure {
    height: 160px;
  }

  .update-row {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 4px 10px;
    padding: 12px 14px;
  }

  .update-meta {
    grid-column: 1 / -1;
  }

  .update-time {
    grid-column: 1 / -1;
    font-size: 13px;
  }

  .update-link {
    grid-row: 1;
    grid-column: 2;
  }

  .rank-row {
    padding: 18px 16px;
    gap: 8px 12px;
  }

  .rank-sub {
    display: none;
  }

  .genre-strip-side {
    max-width: none;
    flex: 1 1 100%;
  }

  .genre-strip-note {
    flex: 1 1 100%;
  }

  .genre-table {
    border: 0;
    background-color: transparent;
  }

  .genre-row--head {
    display: none;
  }

  .genre-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
    background-color: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    margin-bottom: 12px;
    padding: 16px;
  }

  .genre-row .genre-cell:nth-child(4),
  .genre-row .genre-cell:nth-child(5) {
    display: block;
  }

  .genre-cell {
    font-size: 14px;
  }

  .volume-table th,
  .volume-table td {
    padding: 8px 6px;
    font-size: 13.5px;
  }

  .change-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
    padding: 12px 16px;
  }

  .change-note {
    grid-column: auto;
  }

  .note-article,
  .related-entries {
    max-width: none;
  }

  .note-media,
  .page-media,
  .genre-figure,
  .method-figure,
  .path-figure {
    height: 200px;
  }

  .page-about .page-hero {
    padding: 20px;
  }

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

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

  .site-error .error-main {
    padding: 40px 16px 48px;
  }
}