:root {
  --c-primary: #5B4BD6;
  --c-primary-dark: #4A3CBE;
  --c-accent: #F26D85;
  --c-ongoing: #7BB661;
  --c-rest: #E8963C;
  --c-bg: #F8F6F2;
  --c-surface: #FFFFFF;
  --c-text: #1E1C2A;
  --c-text-sub: #5C5A6B;
  --c-border: #E4E1DA;
  --c-border-strong: #D5D1C8;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --radius: 8px;
  --radius-sm: 4px;
  --container: 1120px;
  --pad-desk: 32px;
  --pad-mob: 16px;
  --header-h: 64px;
  --shadow-sm: 0 1px 2px rgba(30, 28, 42, 0.04);
  --shadow-hover: 0 6px 18px rgba(30, 28, 42, 0.08);
}

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

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

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

body.site-body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-text);
  background-color: var(--c-bg);
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 12px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--c-text);
}

p {
  margin: 0 0 14px;
}

ul, ol {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}

a {
  color: var(--c-primary);
  text-decoration: none;
  transition: color 0.16s ease;
}

a:hover {
  color: var(--c-primary-dark);
}

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

figure {
  margin: 0;
}

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

button {
  font-family: inherit;
  cursor: pointer;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background-color: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
}

.header-inner {
  max-width: var(--container);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--pad-desk);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--c-text);
  font-weight: 700;
  flex-shrink: 0;
}

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

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.brand-name {
  font-size: 18px;
  line-height: 1;
  white-space: nowrap;
}

.site-nav {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  list-style: none;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  font-size: 15px;
  color: var(--c-text-sub);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: color 0.16s ease, background-color 0.16s ease;
}

.nav-link:hover {
  color: var(--c-primary);
  background-color: rgba(91, 75, 214, 0.06);
}

.nav-link.is-current {
  color: var(--c-primary);
  font-weight: 600;
  background-color: rgba(91, 75, 214, 0.08);
}

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

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

.site-main {
  display: block;
}

.home-main {
  padding-bottom: 24px;
}

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

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--c-text-sub);
  letter-spacing: 0.02em;
}

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

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

.breadcrumb-sep {
  color: var(--c-border-strong);
}

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

.page-header {
  margin-bottom: 16px;
}

.page-title {
  font-size: 30px;
  line-height: 1.3;
  font-weight: 700;
  margin: 0;
  color: var(--c-text);
}

.page-hero {
  margin-bottom: 32px;
  padding: 20px 24px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
}

.page-hero-text,
.page-lead {
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text-sub);
  margin: 0 0 14px;
}

.page-hero-text:last-child,
.page-lead:last-child {
  margin-bottom: 0;
}

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 32px;
  align-items: start;
}

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

.content-article {
  min-width: 0;
}

.content-sidebar,
.page-sidebar,
.page-aside {
  min-width: 0;
  position: sticky;
  top: calc(var(--header-h) + 16px);
  align-self: start;
}

.sidebar-left .page-layout {
  grid-template-columns: 320px minmax(0, 1fr);
}

.sidebar-left .page-layout > .page-content,
.sidebar-left .page-layout > .content-article,
.sidebar-left .page-layout > main {
  order: 2;
}

.sidebar-left .page-layout > .content-sidebar,
.sidebar-left .page-layout > .page-sidebar,
.sidebar-left .page-layout > .page-aside {
  order: 1;
}

@media (min-width: 769px) {
  .page-content,
  .content-article {
    min-width: 520px;
  }
}

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

.section {
  margin-bottom: 40px;
}

.section-head {
  margin-bottom: 20px;
}

.section-title {
  font-size: 24px;
  line-height: 1.35;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--c-text);
}

.section-desc,
.section-intro {
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text-sub);
  margin: 0;
}

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

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 600;
  color: var(--c-primary);
}

.text-link:hover {
  color: var(--c-primary-dark);
}

.subsection-title {
  font-size: 18px;
  margin: 0 0 12px;
}

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

@media (max-width: 1024px) {
  .nav-link {
    padding: 8px 10px;
    font-size: 14px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-h: 56px;
  }

  .header-inner {
    padding: 0 var(--pad-mob);
    gap: 12px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    display: block;
    background-color: var(--c-surface);
    border-bottom: 1px solid var(--c-border);
    box-shadow: 0 8px 20px rgba(30, 28, 42, 0.08);
    padding: 8px 0;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }

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

  .nav-list li {
    width: 100%;
  }

  .nav-link {
    display: flex;
    width: 100%;
    min-height: 48px;
    padding: 12px var(--pad-mob);
    border-radius: 0;
    font-size: 16px;
    justify-content: flex-start;
  }
}

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

.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;
  transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

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

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

.btn-outline {
  background-color: var(--c-surface);
  color: var(--c-primary);
  border-color: var(--c-primary);
}

.btn-outline:hover {
  background-color: rgba(91, 75, 214, 0.08);
  color: var(--c-primary-dark);
}

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

.hero {
  padding: 40px 0 32px;
  background-color: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
}

.hero-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad-desk);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

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

.hero-eyebrow {
  display: inline-block;
  margin: 0 0 12px;
  padding: 4px 10px;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--c-primary);
  background-color: rgba(91, 75, 214, 0.08);
  border-radius: var(--radius-sm);
}

.hero-copy h1 {
  font-size: 40px;
  line-height: 1.25;
  margin: 0 0 16px;
  font-weight: 700;
}

.hero-lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-text-sub);
  margin: 0 0 24px;
  max-width: 520px;
}

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

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

.hero-figure img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--c-border);
}

.hero-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--c-text-sub);
  line-height: 1.6;
}

/* ========== home: anchor bar ========== */

.anchor-bar {
  position: sticky;
  top: var(--header-h);
  z-index: 50;
  background-color: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  padding: 0;
}

.anchor-label {
  display: none;
}

.anchor-list {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad-desk);
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  overflow-x: auto;
}

.anchor-list li {
  flex-shrink: 0;
}

.anchor-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  font-size: 14px;
  color: var(--c-text-sub);
  border-bottom: 2px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.anchor-link:hover {
  color: var(--c-primary);
}

.anchor-link.is-active {
  color: var(--c-primary);
  border-bottom-color: var(--c-primary);
  font-weight: 600;
}

/* ========== home: entry cards ========== */

.entry-section {
  max-width: var(--container);
  margin: 40px auto;
  padding: 0 var(--pad-desk);
}

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

.entry-card {
  padding: 24px 22px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}

.entry-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: var(--c-border-strong);
}

.entry-card-title {
  font-size: 18px;
  margin: 0 0 10px;
}

.entry-card-text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-sub);
  margin: 0 0 16px;
  flex: 1;
}

.entry-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-primary);
}

.entry-link:hover {
  color: var(--c-primary-dark);
}

/* ========== home: topic band ========== */

.topic-band-section {
  max-width: var(--container);
  margin: 0 auto 40px;
  padding: 0 var(--pad-desk);
}

.topic-band {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0;
}

.topic-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-left-width: 4px;
  border-radius: var(--radius-sm);
  font-size: 14px;
}

.topic-name {
  font-weight: 600;
  color: var(--c-text);
}

.topic-form {
  font-size: 13px;
  color: var(--c-text-sub);
}

.topic-chip--red { border-left-color: #E05B5B; }
.topic-chip--green { border-left-color: #7BB661; }
.topic-chip--purple { border-left-color: #5B4BD6; }
.topic-chip--blue { border-left-color: #3E8FD4; }
.topic-chip--orange { border-left-color: #E8963C; }
.topic-chip--pink { border-left-color: #F26D85; }
.topic-chip--teal { border-left-color: #3FAE9E; }
.topic-chip--indigo { border-left-color: #4C5BC4; }

/* ========== home: updates list ========== */

.updates-section {
  max-width: var(--container);
  margin: 0 auto 40px;
  padding: 0 var(--pad-desk);
}

.update-list {
  list-style: none;
  margin: 0;
  padding: 0;
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.update-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) 88px 96px 110px;
  align-items: center;
  gap: 12px;
  min-height: 52px;
  padding: 10px 20px;
  border-bottom: 1px solid var(--c-border);
  font-size: 14px;
  transition: background-color 0.16s ease, transform 0.16s ease;
}

.update-row:last-child {
  border-bottom: none;
}

.update-row:hover {
  background-color: rgba(91, 75, 214, 0.04);
  transform: translateY(-2px);
}

.update-date {
  font-size: 13px;
  color: var(--c-text-sub);
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}

.update-work {
  font-weight: 600;
  color: var(--c-text);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.update-tag {
  display: inline-block;
  font-size: 13px;
  color: var(--c-primary);
  background-color: rgba(91, 75, 214, 0.08);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  text-align: center;
}

.update-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  text-align: center;
}

.status-ongoing {
  color: #4E7A38;
  background-color: rgba(123, 182, 97, 0.16);
}

.status-done {
  color: #4A4870;
  background-color: rgba(92, 90, 107, 0.12);
}

.status-rest {
  color: #A96A1F;
  background-color: rgba(232, 150, 60, 0.16);
}

.update-range {
  font-size: 13px;
  color: var(--c-text-sub);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ========== home: charts ========== */

.charts-section {
  max-width: var(--container);
  margin: 0 auto 40px;
  padding: 0 var(--pad-desk);
}

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

.chart-col {
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 20px 22px;
}

.chart-col-title {
  font-size: 18px;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-border);
}

.chart-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: chart;
}

.chart-item {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  grid-template-areas:
    "rank work"
    "rank tag"
    "rank reason";
  gap: 2px 10px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--c-border);
}

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

.chart-rank {
  grid-area: rank;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  margin-top: 2px;
  font-size: 13px;
  font-weight: 700;
  color: #FFFFFF;
  background-color: var(--c-accent);
  border-radius: var(--radius-sm);
}

.chart-item:nth-child(n+4) .chart-rank {
  background-color: var(--c-text-sub);
}

.chart-work {
  grid-area: work;
  font-weight: 600;
  color: var(--c-text);
  font-size: 15px;
}

.chart-tag {
  grid-area: tag;
  font-size: 13px;
  color: var(--c-primary);
}

.chart-reason {
  grid-area: reason;
  font-size: 13px;
  color: var(--c-text-sub);
  line-height: 1.6;
}

/* ========== home: topics ========== */

.topics-section {
  max-width: var(--container);
  margin: 0 auto 40px;
  padding: 0 var(--pad-desk);
}

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

.topic-card {
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.topic-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.topic-figure {
  margin: 0;
  overflow: hidden;
}

.topic-figure img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.topic-card-title {
  font-size: 17px;
  margin: 16px 18px 8px;
}

.topic-card-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-sub);
  margin: 0 18px 14px;
  flex: 1;
}

.topic-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin: 0 18px 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-primary);
}

/* ========== home: start steps ========== */

.start-section {
  max-width: var(--container);
  margin: 0 auto 40px;
  padding: 0 var(--pad-desk);
}

.start-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.start-step {
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 22px;
  display: flex;
  flex-direction: column;
}

.start-step .step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin-bottom: 12px;
  font-size: 15px;
  font-weight: 700;
  color: #FFFFFF;
  background-color: var(--c-primary);
  border-radius: var(--radius-sm);
}

.start-step .step-title {
  font-size: 17px;
  margin: 0 0 8px;
}

.start-step .step-text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-sub);
  margin: 0 0 14px;
  flex: 1;
}

.start-step .step-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-primary);
}

/* ========== home: log list ========== */

.log-section {
  max-width: var(--container);
  margin: 0 auto 40px;
  padding: 0 var(--pad-desk);
}

.log-list {
  list-style: none;
  margin: 0;
  padding: 0;
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.log-item {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 16px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--c-border);
  font-size: 14px;
}

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

.log-date {
  font-size: 13px;
  color: var(--c-text-sub);
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}

.log-text {
  color: var(--c-text);
}

/* ========== home: field section ========== */

.field-section {
  max-width: var(--container);
  margin: 0 auto 48px;
  padding: 0 var(--pad-desk);
}

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

.field-col {
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 22px;
}

.field-col-title {
  font-size: 17px;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-border);
}

.field-list {
  margin: 0;
  padding: 0;
}

.field-item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--c-border);
}

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

.field-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text);
  margin: 0;
}

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

.swatch-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.swatch-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--c-text-sub);
}

.swatch {
  display: inline-block;
  width: 20px;
  height: 20px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(30, 28, 42, 0.08);
}

.swatch-red { background-color: #E05B5B; }
.swatch-green { background-color: #7BB661; }
.swatch-purple { background-color: #5B4BD6; }
.swatch-ongoing { background-color: #7BB661; }
.swatch-done { background-color: #5C5A6B; }
.swatch-rest { background-color: #E8963C; }

/* ========== inner: page header fields ========== */

.page-hero-fields,
.page-meta,
.page-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin: 0;
  font-size: 13px;
}

.page-hero-fields dt,
.page-meta-item dt,
.page-fields dt,
.field-label,
.field-key {
  font-size: 13px;
  color: var(--c-text-sub);
  letter-spacing: 0.02em;
  margin: 0;
  font-weight: 400;
}

.page-hero-fields dd,
.page-meta-item dd,
.page-fields dd,
.field-value {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text);
}

.page-meta-item,
.page-fields .field-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
}

.page-meta-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
}

.page-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.fact-item {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
}

.fact-label {
  color: var(--c-text-sub);
  letter-spacing: 0.02em;
}

.fact-value {
  color: var(--c-text);
  font-weight: 600;
}

.page-field {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-size: 13px;
  color: var(--c-text-sub);
}

/* ========== inner: genre page ========== */

.section-genre-overview,
.section-genre-pace,
.section-genre-length {
  margin-bottom: 40px;
}

.genre-figure {
  margin: 0 0 24px;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--c-border);
}

.genre-figure img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.figure-caption {
  padding: 10px 16px;
  font-size: 13px;
  color: var(--c-text-sub);
  line-height: 1.65;
  background-color: var(--c-surface);
  border-top: 1px solid var(--c-border);
}

.genre-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.genre-item {
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 20px 22px;
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.genre-name {
  font-size: 18px;
  margin: 0 0 8px;
}

.genre-def {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-sub);
  margin: 0 0 12px;
}

.genre-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
}

.genre-tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: 13px;
  color: var(--c-primary);
  background-color: rgba(91, 75, 214, 0.08);
  border-radius: var(--radius-sm);
}

.genre-form {
  font-size: 13px;
  color: var(--c-text-sub);
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--c-border);
}

.pace-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.pace-card {
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 20px;
}

.pace-card-title {
  font-size: 17px;
  margin: 0 0 8px;
}

.pace-card-text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-sub);
  margin: 0;
}

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

.length-col {
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 20px 22px;
}

.length-col-title {
  font-size: 17px;
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-border);
}

.length-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.length-item {
  position: relative;
  padding: 6px 0 6px 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-sub);
}

.length-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--c-primary);
}

/* ========== inner: sidebar blocks ========== */

.sidebar-block,
.aside-group {
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 20px;
}

.sidebar-block:last-child,
.aside-group:last-child {
  margin-bottom: 0;
}

.sidebar-title,
.aside-title {
  font-size: 16px;
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-border);
}

.aside-title {
  font-size: 16px;
  margin: 0 0 16px;
  padding: 0;
  border: none;
  color: var(--c-text-sub);
  letter-spacing: 0.02em;
}

.sidebar-desc,
.aside-group-desc {
  font-size: 13px;
  color: var(--c-text-sub);
  line-height: 1.65;
  margin: 0 0 10px;
}

.sidebar-list,
.sidebar-links,
.aside-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar-item,
.aside-item {
  border-bottom: 1px dashed var(--c-border);
}

.sidebar-item:last-child,
.aside-item:last-child {
  border-bottom: none;
}

.sidebar-link,
.aside-link {
  display: flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  color: var(--c-primary);
  line-height: 1.5;
}

.sidebar-link:hover,
.aside-link:hover {
  color: var(--c-primary-dark);
}

.aside-group-title {
  font-size: 15px;
  margin: 0 0 6px;
}

/* ========== inner: update page ========== */

.update-list-section,
.field-explain-section,
.update-type-section {
  margin-bottom: 40px;
}

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

.update-name {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
}

.update-eps {
  display: block;
  font-size: 13px;
  color: var(--c-text-sub);
  margin-top: 2px;
}

.update-row .update-status {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}

.update-row .status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px 8px;
  font-size: 13px;
  border-radius: var(--radius-sm);
}

.update-row .tag {
  display: inline-block;
  padding: 2px 8px;
  font-size: 13px;
  border-radius: var(--radius-sm);
  color: var(--c-primary);
  background-color: rgba(91, 75, 214, 0.08);
}

.tag-shonen { color: #C24A4A; background-color: rgba(224, 91, 91, 0.12); }
.tag-daily { color: #4E7A38; background-color: rgba(123, 182, 97, 0.14); }
.tag-mystery { color: #3E6FB0; background-color: rgba(62, 143, 212, 0.12); }
.tag-fantasy { color: #6B4BC4; background-color: rgba(107, 75, 196, 0.12); }
.tag-sports { color: #1F8A7A; background-color: rgba(63, 174, 158, 0.14); }
.tag-school { color: #C4782A; background-color: rgba(232, 150, 60, 0.14); }

.media-block {
  margin: 0 0 24px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--c-surface);
}

.media-image {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.media-caption {
  padding: 14px 18px;
  font-size: 13px;
  color: var(--c-text-sub);
  line-height: 1.7;
  border-top: 1px solid var(--c-border);
}

.media-caption-text,
.media-caption-line {
  margin: 0 0 6px;
}

.media-caption-text:last-child,
.media-caption-line:last-child {
  margin-bottom: 0;
}

.field-list {
  display: grid;
  gap: 0;
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.field-list .field-item {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--c-border);
}

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

.field-list .field-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text);
  margin: 0;
}

.field-list .field-desc {
  margin: 0;
  font-size: 14px;
  color: var(--c-text-sub);
  line-height: 1.7;
}

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

.type-card {
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 20px 22px;
}

.type-card-title {
  font-size: 17px;
  margin: 0 0 8px;
}

.type-card-text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-sub);
  margin: 0 0 12px;
}

.type-card-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.type-card-list li {
  position: relative;
  padding: 5px 0 5px 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-sub);
}

.type-card-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--c-accent);
}

/* ========== inner: rank page ========== */

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

.rank-list {
  list-style: none;
  margin: 0;
  padding: 0;
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.rank-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--c-border);
  transition: background-color 0.16s ease, transform 0.16s ease;
}

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

.rank-item:hover {
  background-color: rgba(91, 75, 214, 0.04);
  transform: translateY(-2px);
}

.rank-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: 14px;
  font-weight: 700;
  color: #FFFFFF;
  background-color: var(--c-accent);
  border-radius: var(--radius-sm);
}

.rank-item:nth-child(n+4) .rank-no {
  background-color: var(--c-text-sub);
}

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

.rank-name {
  display: inline-block;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 4px;
}

.rank-name:hover {
  color: var(--c-primary);
}

.rank-meta {
  font-size: 13px;
  color: var(--c-text-sub);
  margin: 0 0 6px;
}

.rank-chapter {
  color: var(--c-text-sub);
}

.rank-reason {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-sub);
  margin: 0;
}

.criteria-section,
.cross-section {
  margin-bottom: 40px;
}

.criteria-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.criteria-card {
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 20px;
}

.criteria-title {
  font-size: 17px;
  margin: 0 0 8px;
}

.criteria-text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-sub);
  margin: 0;
}

.tag-band {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.tag-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 16px;
  font-size: 14px;
  color: var(--c-primary);
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  transition: border-color 0.16s ease, background-color 0.16s ease;
}

.tag-link:hover {
  border-color: var(--c-primary);
  background-color: rgba(91, 75, 214, 0.06);
}

.related-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
}

.related-links-label {
  font-size: 13px;
  color: var(--c-text-sub);
  letter-spacing: 0.02em;
}

.related-links-item {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-primary);
}

/* ========== inner: guide page ========== */

.guide-steps,
.reading-methods,
.field-reading {
  margin-bottom: 40px;
}

.step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.step-card {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  grid-template-areas:
    "idx title"
    "idx text"
    "idx link";
  gap: 4px 16px;
  padding: 20px 22px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
}

.step-card .step-index {
  grid-area: idx;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-size: 15px;
  font-weight: 700;
  color: #FFFFFF;
  background-color: var(--c-primary);
  border-radius: var(--radius-sm);
}

.step-card .step-title {
  grid-area: title;
  font-size: 17px;
  margin: 0;
  align-self: center;
}

.step-card .step-text {
  grid-area: text;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-sub);
  margin: 6px 0 12px;
}

.step-card .step-link {
  grid-area: link;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-primary);
}

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

.method-col {
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 20px 22px;
}

.method-title {
  font-size: 17px;
  margin: 0 0 8px;
}

.method-intro {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-sub);
  margin: 0 0 12px;
}

.method-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.method-item {
  position: relative;
  padding: 6px 0 6px 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-sub);
}

.method-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--c-primary);
}

.field-figure {
  margin: 0 0 24px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--c-surface);
}

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

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

.field-reading .field-item {
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.field-reading .field-name {
  font-size: 16px;
  margin: 0 0 6px;
}

.field-reading .field-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-sub);
  margin: 0;
}

/* ========== inner: faq page ========== */

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

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

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

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 52px;
  padding: 14px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
  cursor: pointer;
  list-style: none;
}

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

.faq-question::after {
  content: "+";
  flex-shrink: 0;
  font-size: 20px;
  font-weight: 400;
  color: var(--c-primary);
  line-height: 1;
}

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

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

.faq-answer {
  padding: 0 20px 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-text-sub);
  border-top: 1px solid var(--c-border);
  padding-top: 14px;
}

.faq-answer p {
  margin: 0 0 10px;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

.content-figure {
  margin: 0 0 20px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--c-surface);
}

.content-image {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.figure-note {
  margin: 0 0 6px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-sub);
}

.figure-note:last-child {
  margin-bottom: 0;
}

.inline-link {
  color: var(--c-primary);
  font-weight: 600;
}

/* ========== inner: about page ========== */

.section-positioning,
.section-structure,
.section-boundary,
.section-correct {
  margin-bottom: 40px;
}

.page-head {
  margin-bottom: 32px;
  padding: 20px 24px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
}

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

.positioning-text {
  min-width: 0;
}

.positioning-text p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text-sub);
  margin: 0 0 14px;
}

.positioning-text p:last-child {
  margin-bottom: 0;
}

.positioning-media {
  margin: 0;
}

.structure-table {
  margin-bottom: 24px;
  font-size: 14px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.structure-caption {
  caption-side: top;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--c-text-sub);
  text-align: left;
  background-color: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
}

.structure-table thead th {
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 600;
  text-align: left;
  color: var(--c-text-sub);
  background-color: rgba(91, 75, 214, 0.06);
  border-bottom: 1px solid var(--c-border);
}

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

.structure-table tbody tr:last-child th,
.structure-table tbody tr:last-child td {
  border-bottom: none;
}

.structure-table tbody th {
  font-weight: 600;
  color: var(--c-text);
  white-space: nowrap;
}

.structure-table tbody td {
  color: var(--c-text-sub);
  line-height: 1.7;
}

.structure-table tbody tr:nth-child(even) {
  background-color: rgba(248, 246, 242, 0.6);
}

.table-link {
  color: var(--c-primary);
  font-weight: 600;
}

.term-notes {
  padding: 20px 22px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
}

.term-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.term-item {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--c-border);
  font-size: 14px;
}

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

.term-name {
  font-weight: 600;
  color: var(--c-text);
}

.term-desc {
  color: var(--c-text-sub);
  line-height: 1.7;
}

.boundary-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.boundary-item {
  position: relative;
  padding: 12px 18px 12px 40px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-sub);
}

.boundary-item::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 20px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--c-accent);
}

.correct-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.correct-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  grid-template-areas:
    "idx title"
    "idx text"
    "idx link";
  gap: 4px 16px;
  padding: 20px 22px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
}

.correct-step .step-index {
  grid-area: idx;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-size: 15px;
  font-weight: 700;
  color: #FFFFFF;
  background-color: var(--c-primary);
  border-radius: var(--radius-sm);
}

.correct-step .step-title {
  grid-area: title;
  font-size: 17px;
  margin: 0;
  align-self: center;
}

.correct-step .step-text {
  grid-area: text;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text-sub);
  margin: 6px 0 12px;
}

.correct-step .step-link {
  grid-area: link;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-primary);
}

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

.site-error .error-main {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px var(--pad-desk) 72px;
  text-align: center;
}

.error-panel {
  margin-bottom: 40px;
}

.error-code {
  font-size: 72px;
  font-weight: 700;
  color: var(--c-primary);
  margin: 0 0 8px;
  line-height: 1;
}

.error-title {
  font-size: 26px;
  margin: 0 0 12px;
}

.error-text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text-sub);
  margin: 0 0 24px;
}

.error-home-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 600;
  color: #FFFFFF;
  background-color: var(--c-primary);
  border-radius: var(--radius-sm);
}

.error-home-link:hover {
  background-color: var(--c-primary-dark);
  color: #FFFFFF;
}

.error-routes {
  text-align: left;
}

.error-routes-title {
  font-size: 18px;
  margin: 0 0 16px;
  text-align: center;
}

.error-routes-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.error-route-item {
  padding: 16px 20px;
  background-color: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
}

.error-route-link {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-primary);
}

.error-route-text {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-sub);
}

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

.site-footer {
  background-color: var(--c-surface);
  border-top: 1px solid var(--c-border);
  margin-top: 24px;
}

.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 40px var(--pad-desk) 28px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.4fr;
  gap: 32px;
}

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

.footer-brand-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--c-text);
  margin: 0 0 8px;
}

.footer-brand-text {
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-text-sub);
  margin: 0;
}

.footer-col-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text);
  margin: 0 0 12px;
  letter-spacing: 0.02em;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links li {
  margin-bottom: 4px;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  font-size: 13px;
  color: var(--c-text-sub);
}

.footer-link:hover {
  color: var(--c-primary);
}

.footer-text {
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-text-sub);
  margin: 0;
}

.footer-bottom {
  border-top: 1px solid var(--c-border);
}

.footer-copy {
  max-width: var(--container);
  margin: 0 auto;
  padding: 16px var(--pad-desk);
  font-size: 13px;
  color: var(--c-text-sub);
}

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

@media (max-width: 1024px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .inner-main {
    padding: 16px var(--pad-mob) 40px;
  }

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

  .page-hero,
  .page-head {
    padding: 16px;
    margin-bottom: 24px;
  }

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

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

  .content-sidebar,
  .page-sidebar,
  .page-aside {
    position: static;
    top: auto;
  }

  .site-footer {
    margin-top: 16px;
  }

  .footer-inner {
    padding: 28px var(--pad-mob) 20px;
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-copy {
    padding: 14px var(--pad-mob);
  }

  /* home */
  .hero {
    padding: 28px 0 24px;
  }

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

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

  .hero-figure img {
    height: 220px;
  }

  .anchor-list {
    padding: 0 var(--pad-mob);
  }

  .entry-section,
  .topic-band-section,
  .updates-section,
  .charts-section,
  .topics-section,
  .start-section,
  .log-section,
  .field-section {
    padding: 0 var(--pad-mob);
    margin-bottom: 32px;
  }

  .entry-grid,
  .topic-grid,
  .start-steps,
  .charts-grid,
  .field-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .update-row {
    grid-template-columns: 1fr;
    grid-template-areas:
      "date"
      "work"
      "tag"
      "status"
      "range";
    gap: 4px;
    padding: 14px 16px;
  }

  .update-date { grid-area: date; }
  .update-work { grid-area: work; white-space: normal; }
  .update-tag { grid-area: tag; justify-self: start; }
  .update-status { grid-area: status; justify-self: start; }
  .update-range { grid-area: range; text-align: left; }

  .log-item {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 12px 16px;
  }

  .topic-figure img,
  .genre-figure img,
  .media-image,
  .content-image,
  .field-figure img {
    height: 200px;
  }

  /* inner page grids */
  .pace-grid,
  .length-grid,
  .type-columns,
  .method-columns,
  .criteria-grid,
  .field-reading .field-grid,
  .positioning-body {
    grid-template-columns: minmax(0, 1fr);
  }

  .field-list .field-item,
  .term-item {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .structure-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .structure-table tbody td,
  .structure-table thead th {
    white-space: normal;
  }
}

@media (max-width: 480px) {
  .hero-copy h1 {
    font-size: 26px;
  }

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

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

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

  .rank-item {
    grid-template-columns: 36px minmax(0, 1fr);
    padding: 14px 16px;
  }

  .step-card,
  .correct-step {
    grid-template-columns: 36px minmax(0, 1fr);
    padding: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}