:root {
  --paper: #f6f5f2;
  --ink: #1f2328;
  --ink-soft: #3c4248;
  --accent: #0f6b6b;
  --accent-dark: #0b5252;
  --muted: #8a8f94;
  --panel: #ffffff;
  --line: #d9d6cf;
  --line-soft: #e7e4de;
  --radius: 6px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "Menlo", "Consolas", "Liberation Mono", monospace;
  --wrap: 1120px;
  --wrap-narrow: 780px;
}

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

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

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

body.site-body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

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;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 3px;
}

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

figure {
  margin: 0;
}

dl,
dd,
dt {
  margin: 0;
}

strong {
  font-weight: 700;
  color: var(--ink);
}

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

.site-main {
  display: block;
  width: 100%;
}

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

.home-main {
  padding-bottom: 0;
}

.section {
  margin: 0 0 56px;
}

.section-title {
  font-size: 24px;
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.section-lead,
.section-intro {
  color: var(--ink-soft);
  font-size: 15px;
  margin: 0 0 20px;
  max-width: 76ch;
}

.section-text {
  color: var(--ink-soft);
  font-size: 15px;
  margin: 0 0 16px;
  max-width: 76ch;
}

.section-text a {
  border-bottom: 1px solid rgba(15, 107, 107, 0.35);
}

.section-more {
  margin: 18px 0 0;
  font-size: 14px;
}

.text-link {
  color: var(--accent);
  font-weight: 600;
  border-bottom: 1px solid rgba(15, 107, 107, 0.35);
}

.text-link:hover {
  color: var(--accent-dark);
  border-bottom-color: var(--accent-dark);
  text-decoration: none;
}

.sub-title {
  font-size: 17px;
  margin: 0 0 14px;
  color: var(--ink);
}

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

.fact-bar {
  margin: 0;
  padding: 10px 24px;
  background: var(--ink);
  color: #eceae5;
  font-size: 13px;
  line-height: 1.6;
  text-align: center;
}

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

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

.header-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  color: var(--ink);
  text-decoration: none;
  padding: 8px 0;
}

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

.brand-name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-slogan {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.site-nav {
  display: block;
}

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

.nav-list > li {
  display: block;
}

.nav-link {
  display: block;
  padding: 10px 14px;
  color: var(--ink-soft);
  font-size: 15px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

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

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

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

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
}

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

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  padding: 20px 0 0;
  font-size: 14px;
  color: var(--muted);
}

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

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

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

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

.page-header {
  padding: 14px 0 26px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.page-title {
  font-size: 30px;
  line-height: 1.3;
  margin: 0 0 12px;
}

.page-description {
  color: var(--ink-soft);
  font-size: 15px;
  max-width: 76ch;
}

.page-description a {
  border-bottom: 1px solid rgba(15, 107, 107, 0.35);
}

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

.hero-section {
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.hero-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 48px 24px 52px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 44px;
  align-items: center;
}

.hero-text {
  min-width: 0;
  max-width: 620px;
}

.hero-title {
  font-size: 38px;
  line-height: 1.25;
  margin: 0 0 16px;
}

.hero-desc {
  color: var(--ink-soft);
  font-size: 16px;
  margin: 0 0 26px;
  max-width: 60ch;
}

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

.btn {
  display: inline-block;
  min-height: 44px;
  padding: 11px 22px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  text-align: center;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

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

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  border: 1px solid var(--accent);
}

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

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

.btn-ghost:hover {
  background: rgba(15, 107, 107, 0.08);
  color: var(--accent-dark);
}

.hero-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper);
}

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

/* ============ org section ============ */

.org-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.org-item {
  padding: 22px 20px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.org-item-title {
  font-size: 17px;
  margin: 0 0 10px;
  color: var(--accent);
}

.org-item p {
  font-size: 15px;
  color: var(--ink-soft);
}

.org-example {
  margin-top: 12px;
  padding-left: 12px;
  border-left: 3px solid var(--line);
  font-size: 14px;
  color: var(--muted);
}

/* ============ genre section (home) ============ */

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

.genre-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 18px;
  align-items: baseline;
  padding: 18px 4px;
  border-bottom: 1px solid var(--line-soft);
  transition: background-color 0.15s ease;
}

.genre-row:hover {
  background: rgba(15, 107, 107, 0.04);
}

.genre-no {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent);
  font-weight: 700;
}

.genre-name {
  font-size: 17px;
  margin: 0;
}

.genre-scope,
.genre-rep {
  font-size: 14px;
  color: var(--ink-soft);
  margin: 0;
}

.genre-rep a {
  border-bottom: 1px solid rgba(15, 107, 107, 0.35);
}

/* ============ update section (home) ============ */

.update-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 36px;
  align-items: start;
}

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

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

.update-day {
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.update-date {
  font-size: 15px;
  margin: 0 0 10px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 700;
}

.update-items {
  display: grid;
  gap: 8px;
}

.update-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  color: var(--ink-soft);
  padding: 8px 10px;
  border-left: 2px solid var(--line);
  background: var(--panel);
}

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

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

.update-aside {
  min-width: 0;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.update-aside .status-list {
  display: grid;
  grid-template-columns: minmax(88px, auto) minmax(0, 1fr);
  gap: 10px 14px;
  font-size: 14px;
}

.update-aside .status-list dt {
  font-weight: 700;
  color: var(--accent);
}

.update-aside .status-list dd {
  color: var(--ink-soft);
}

.aside-note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  color: var(--muted);
}

/* ============ rank section (home) ============ */

.rank-figure {
  margin: 0 0 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper);
}

.rank-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
}

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

.rank-row {
  display: grid;
  grid-template-columns: 52px minmax(0, 1.4fr) minmax(0, 0.8fr) minmax(0, 0.9fr);
  gap: 16px;
  align-items: baseline;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15px;
}

.rank-row:hover {
  background: rgba(15, 107, 107, 0.04);
}

.rank-no {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--accent);
}

.rank-work {
  font-weight: 600;
}

.rank-chapter {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
}

.tag {
  display: inline-block;
  padding: 2px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  color: var(--ink-soft);
  background: var(--paper);
  justify-self: start;
}

/* ============ guide section (home) ============ */

.guide-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
}

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

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

.guide-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  color: var(--ink-soft);
}

.guide-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
}

/* ============ site index (home) ============ */

.site-index {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.site-index-item {
  padding: 20px 16px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  min-width: 0;
}

.site-index-item a {
  display: block;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.site-index-item p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.65;
}

/* ============ works page ============ */

.genre-index {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.genre-index-item a {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--ink-soft);
  background: var(--panel);
  min-height: 40px;
  line-height: 1.6;
}

.genre-index-item a:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

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

.genre-block:last-child {
  border-bottom: none;
}

.genre-title {
  font-size: 19px;
  margin: 0 0 8px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.genre-code {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  font-weight: 700;
}

.genre-desc {
  font-size: 14px;
  color: var(--ink-soft);
  margin: 0 0 18px;
  max-width: 76ch;
}

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

.work-item {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.work-item:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.work-cover {
  margin: 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper);
}

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

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

.work-name {
  font-size: 16px;
  margin: 0 0 8px;
}

.work-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 8px;
}

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

.status {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink-soft);
}

.status-ongoing {
  border-color: rgba(15, 107, 107, 0.4);
  color: var(--accent);
  background: rgba(15, 107, 107, 0.06);
}

.status-completed {
  border-color: var(--line);
  color: var(--muted);
}

.status-paused {
  border-color: #d8c9a8;
  color: #8a6d2f;
  background: #faf6ec;
}

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

/* ============ field table (works + guide) ============ */

.field-table {
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background: var(--panel);
}

.field-row {
  display: grid;
  grid-template-columns: minmax(120px, 0.55fr) minmax(0, 1.45fr);
  border-bottom: 1px solid var(--line);
}

.field-name,
.field-desc {
  padding: 12px 16px;
  font-size: 14px;
  border-right: 1px solid var(--line);
}

.field-name {
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
  background: var(--paper);
}

.field-desc {
  color: var(--ink-soft);
}

.field-row-head .field-name,
.field-row-head .field-desc {
  background: #efece6;
  color: var(--ink);
  font-weight: 700;
  font-family: var(--font-sans);
}

/* ============ adjust list (works) ============ */

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

.adjust-item {
  position: relative;
  padding: 20px 18px 20px 52px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
}

.adjust-item::before {
  counter-increment: adjust;
  content: counter(adjust, decimal-leading-zero);
  position: absolute;
  left: 16px;
  top: 20px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
}

.adjust-title {
  font-size: 16px;
  margin: 0 0 8px;
}

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

/* ============ calendar page ============ */

.calendar-intro-body {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-bottom: 24px;
}

.intro-block {
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
}

.intro-title {
  font-size: 16px;
  margin: 0 0 10px;
  color: var(--accent);
}

.intro-block p {
  font-size: 15px;
  color: var(--ink-soft);
}

.calendar-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

.calendar-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
}

.calendar-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--line-soft);
}

.calendar-groups {
  display: grid;
  gap: 24px;
}

.calendar-group {
  padding: 18px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.calendar-date {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--accent);
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}

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

.chapter-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1.4fr) minmax(0, 0.8fr) minmax(0, 0.8fr);
  gap: 14px;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line-soft);
  font-size: 14px;
}

.chapter-item:last-child {
  border-bottom: none;
}

.chapter-thumb {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line-soft);
  background: var(--paper);
}

.chapter-work {
  font-weight: 600;
  color: var(--ink);
}

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

.chapter-tag {
  justify-self: start;
  padding: 2px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  color: var(--ink-soft);
  background: var(--paper);
}

/* ============ status list (calendar) ============ */

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

.section-status .status-item {
  padding: 18px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
}

.section-status .status-name {
  font-size: 16px;
  margin: 0 0 8px;
  color: var(--accent);
}

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

/* ============ path steps (calendar) ============ */

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

.path-step {
  position: relative;
  padding: 20px 18px 20px 52px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
}

.path-step::before {
  counter-increment: path;
  content: counter(path);
  position: absolute;
  left: 16px;
  top: 20px;
  width: 24px;
  height: 24px;
  line-height: 24px;
  text-align: center;
  border-radius: 50%;
  background: var(--accent);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.step-name {
  font-size: 16px;
  margin: 0 0 8px;
}

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

.path-note {
  margin-top: 20px;
  padding: 14px 16px;
  background: var(--panel);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 14px;
  color: var(--ink-soft);
}

.path-note a {
  border-bottom: 1px solid rgba(15, 107, 107, 0.35);
}

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

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 40px;
  align-items: start;
}

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

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

.guide-aside {
  position: sticky;
  top: 88px;
  display: grid;
  gap: 20px;
}

.aside-block {
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.aside-title {
  font-size: 15px;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--accent);
}

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

.aside-list li {
  font-size: 14px;
}

.aside-list a {
  display: block;
  padding: 4px 0;
}

.aside-list-plain li {
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

.section-figure {
  margin: 0 0 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

.section-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.section-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--line-soft);
}

.step-list {
  display: grid;
  gap: 16px;
  counter-reset: gstep;
}

.step-item {
  position: relative;
  padding: 18px 20px 18px 60px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
}

.step-item::before {
  counter-increment: gstep;
  content: counter(gstep, decimal-leading-zero);
  position: absolute;
  left: 20px;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
}

.guide-steps .step-name {
  font-size: 16px;
  margin: 0 0 6px;
}

.guide-steps .step-action,
.guide-steps .step-result {
  font-size: 14px;
  color: var(--ink-soft);
  margin: 0 0 4px;
}

.guide-steps .step-result {
  color: var(--muted);
}

.term-block {
  padding: 18px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 16px;
  min-width: 0;
}

.term-name {
  font-size: 16px;
  margin: 0 0 10px;
  color: var(--accent);
}

.term-def {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 8px;
}

.term-detail {
  font-size: 14px;
  color: var(--ink-soft);
  margin: 0 0 10px;
}

.term-example {
  padding: 10px 14px;
  border-left: 3px solid var(--line);
  background: var(--paper);
  font-size: 13px;
  color: var(--muted);
}

/* ============ FAQ ============ */

.faq-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-question {
  padding: 16px 44px 16px 18px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  position: relative;
  list-style: none;
}

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

.faq-question::after {
  content: "";
  position: absolute;
  right: 18px;
  top: 50%;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.2s ease;
}

.faq-item[open] .faq-question::after {
  transform: translateY(-30%) rotate(-135deg);
}

.faq-answer {
  padding: 0 18px 16px;
  font-size: 14px;
  color: var(--ink-soft);
  border-top: 1px solid var(--line-soft);
  padding-top: 14px;
}

/* ============ feedback page ============ */

.feedback-section {
  margin: 0 0 56px;
}

.feedback-type-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.feedback-type-item {
  padding: 18px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
}

.feedback-type-name {
  font-size: 16px;
  margin: 0 0 8px;
  color: var(--accent);
}

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

.feedback-figure {
  margin: 0 0 56px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

.feedback-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
}

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

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

.feedback-info-item {
  position: relative;
  padding: 18px 20px 18px 56px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
}

.feedback-info-item::before {
  counter-increment: finfo;
  content: counter(finfo, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
}

.feedback-info-name {
  font-size: 16px;
  margin: 0 0 8px;
}

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

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

.scope-column {
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
}

.scope-column-title {
  font-size: 16px;
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}

.scope-handled .scope-column-title {
  color: var(--accent);
}

.scope-excluded .scope-column-title {
  color: #8a6d2f;
}

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

.scope-item {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--ink-soft);
}

.scope-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.scope-excluded .scope-item::before {
  background: #c0a878;
}

.scope-note {
  margin-top: 18px;
  padding: 14px 16px;
  background: var(--panel);
  border-left: 3px solid var(--line);
  font-size: 14px;
  color: var(--ink-soft);
}

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

.related-link-item a {
  display: block;
  min-height: 44px;
  padding: 12px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--ink-soft);
  text-align: center;
  line-height: 1.6;
}

.related-link-item a:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

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

.error-main {
  padding: 0;
}

.error-block {
  max-width: var(--wrap-narrow);
  margin: 0 auto;
  padding: 80px 24px 96px;
  text-align: center;
}

.error-code {
  font-family: var(--font-mono);
  font-size: 64px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin: 0 0 16px;
}

.error-title {
  font-size: 26px;
  margin: 0 0 14px;
}

.error-text {
  font-size: 15px;
  color: var(--ink-soft);
  margin: 0 0 28px;
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
}

.error-btn {
  display: inline-block;
  min-height: 44px;
  padding: 11px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.5;
}

.error-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

.error-btn.is-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.error-btn.is-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #ffffff;
}

.error-note {
  font-size: 14px;
  color: var(--muted);
}

.error-note a {
  border-bottom: 1px solid rgba(15, 107, 107, 0.35);
}

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

.site-footer {
  background: var(--ink);
  color: #c9ccce;
  padding: 48px 0 0;
  margin-top: 0;
}

.footer-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px 36px;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(4, minmax(0, 1fr));
  gap: 32px;
}

.footer-brand {
  min-width: 0;
}

.footer-name {
  font-size: 19px;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 10px;
}

.footer-desc {
  font-size: 13px;
  line-height: 1.75;
  color: #9fa4a8;
  max-width: 34ch;
}

.footer-group {
  min-width: 0;
}

.footer-title {
  font-size: 14px;
  color: #ffffff;
  margin: 0 0 14px;
  font-weight: 700;
}

.footer-group ul {
  display: grid;
  gap: 9px;
}

.footer-group a {
  color: #b8bdc1;
  font-size: 13px;
}

.footer-group a:hover {
  color: #ffffff;
}

.footer-copy {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 18px 24px;
  text-align: center;
  font-size: 12px;
  color: #8a8f94;
}

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

@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    gap: 32px;
  }

  .hero-title {
    font-size: 32px;
  }

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

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

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

  .page-layout {
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 28px;
  }

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

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

@media (max-width: 860px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--panel);
    border-bottom: 1px solid var(--line);
    padding: 8px 24px 16px;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

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

  .nav-link {
    padding: 13px 4px;
    border-bottom: 1px solid var(--line-soft);
    font-size: 16px;
  }

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

  .header-inner {
    position: relative;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding: 36px 24px 40px;
  }

  .hero-text {
    max-width: none;
  }

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

  .genre-row {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 6px 14px;
    align-items: start;
  }

  .genre-scope,
  .genre-rep {
    grid-column: 2;
  }

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

  .rank-row {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 6px 12px;
    align-items: start;
  }

  .rank-row .tag,
  .rank-row .rank-chapter {
    grid-column: 2;
  }

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

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

  .genre-index {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
  }

  .genre-index-item {
    flex: 0 0 auto;
  }

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

  .chapter-item {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 6px 12px;
    align-items: start;
  }

  .chapter-thumb {
    width: 48px;
    height: 48px;
    grid-row: 1 / span 3;
  }

  .chapter-no,
  .chapter-tag {
    grid-column: 2;
  }

  .section-status .status-list,
  .calendar-intro-body,
  .feedback-type-list,
  .feedback-info-list,
  .scope-columns {
    grid-template-columns: minmax(0, 1fr);
  }

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

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

  .guide-aside {
    position: static;
  }

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

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

@media (max-width: 560px) {
  body.site-body {
    font-size: 15px;
  }

  .fact-bar {
    padding: 10px 16px;
    font-size: 12px;
    text-align: left;
  }

  .header-inner {
    padding: 0 16px;
    min-height: 62px;
  }

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

  .site-nav {
    padding: 6px 16px 14px;
  }

  .inner-main {
    padding: 0 16px 56px;
  }

  .hero-inner {
    padding: 28px 16px 32px;
  }

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

  .hero-desc {
    font-size: 15px;
  }

  .hero-actions .btn {
    flex: 1 1 100%;
  }

  .section {
    margin-bottom: 40px;
  }

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

  .page-title {
    font-size: 23px;
  }

  .page-header {
    padding: 12px 0 20px;
  }

  .org-item,
  .intro-block,
  .update-aside,
  .guide-col,
  .calendar-group,
  .section-status .status-item,
  .term-block,
  .feedback-type-item,
  .feedback-info-item,
  .scope-column {
    padding: 16px;
  }

  .step-item {
    padding: 16px 16px 16px 52px;
  }

  .step-item::before {
    left: 16px;
  }

  .adjust-item {
    padding: 16px 16px 16px 48px;
  }

  .adjust-item::before {
    left: 14px;
  }

  .path-step {
    padding: 16px 16px 16px 48px;
  }

  .path-step::before {
    left: 14px;
  }

  .feedback-info-item {
    padding: 16px 16px 16px 52px;
  }

  .feedback-info-item::before {
    left: 16px;
  }

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

  .field-name,
  .field-desc {
    border-right: none;
  }

  .field-name {
    border-bottom: 1px solid var(--line-soft);
  }

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

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

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    padding: 0 16px 28px;
  }

  .footer-copy {
    padding: 16px;
  }

  .error-block {
    padding: 56px 16px 68px;
  }

  .error-code {
    font-size: 48px;
  }

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

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}