/* Shared opt-in reading design for the 12 Japanese guides. */
.article-reading .article-body mark {
  color: inherit;
  background: #fff0a8;
  padding: .05em .08em;
  border-radius: 2px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  font-weight: 700;
}
.article-reading .breadcrumb { margin-bottom: 20px; }
.article-reading .article-header h1 { line-height: 1.42; letter-spacing: -.015em; text-wrap: balance; word-break: keep-all; }
.article-reading .article-body :is(p, li) { line-height: 1.82; }
.article-reading .guide-overview .guide-kicker { margin-bottom: 10px; }
.article-reading .guide-overview .guide-summary { margin-block: 14px 18px; }
.article-reading .guide-overview .guide-takeaway { padding-top: 18px; }
.article-reading .guide-overview .guide-read-link { margin-top: 18px; }
.article-reading .article-toc > h2 { margin: 0 0 12px; padding: 0; border: 0; font-size: 20px; line-height: 1.4; }
.article-reading .article-toc a:focus-visible,
.article-reading .guide-read-link:focus-visible,
.article-reading .guide-quick-links a:focus-visible { outline: 3px solid #2476ad; outline-offset: 3px; border-radius: 4px; }
.article-reading .article-body > section.guide-chapter:is(.metrics-quick-answer, .guide-quick-answer) > h2 { margin-top: 0; }
.article-reading .article-body > section:not(.guide-overview) > h3 {
  border-left: 3px solid #bd633f;
  padding-left: 14px;
  margin-top: 38px;
  line-height: 1.65;
  text-wrap: pretty;
}
.article-reading .article-body > section:not(.guide-overview) > h2 {
  margin-top: 64px;
  margin-bottom: 28px;
  text-wrap: pretty;
}
.article-reading .article-body > section > p { margin-block: 18px; }
.article-reading .article-toc a { text-underline-offset: 4px; }
.article-reading .guide-chapter > section > h3 {
  border-left: 3px solid #bd633f;
  padding-left: 14px;
  margin-top: 32px;
  line-height: 1.65;
  text-wrap: pretty;
}
.article-reading .guide-chapter h4 {
  margin: 24px 0 10px;
  font-size: 17px;
  line-height: 1.7;
  color: var(--guide-ink);
}
.article-reading .guide-anchor { display: block; scroll-margin-top: 120px; }
.article-reading .article-toc a:hover { color: #a44829; }
.article-reading .article-table-wrap { border-color: #ded5c8; border-radius: 9px; }
.article-reading .article-table { min-width: 0; font-variant-numeric: tabular-nums; }
.article-reading .article-table th { background: #eee9de; color: #443b32; }
.article-reading .article-table td { background: transparent; }
.article-reading .article-table tbody tr:nth-child(even) { background: #faf7f0; }
.article-reading .score-table-scroll { border-color: #ded5c8; border-radius: 9px; }
.article-reading .score-table thead th { background: #eee9de; color: #443b32; }
.article-reading .score-table--dealer thead th { background: #e9f3fb; }
.article-reading .score-table--sanma thead th { background: #e8f3e9; }
.article-reading .article-table .metric-row-emphasis { background: #eaf1e5; font-weight: 700; }
.article-reading .metrics-quick-answer > h2 { margin-top: 0; }
.article-reading .guide-quick-answer > h2 { margin-top: 0; }
.article-reading .guide-quick-answer > :is(ol, .formula-box, .article-table-wrap) { margin-top: 20px; }
.article-reading .guide-quick-answer > .guide-quick-caption { margin: 18px 0 0; color: #50483f; font-size: 14px; font-weight: 700; }
.article-reading .guide-quick-answer > .guide-quick-caption + .formula-box { margin-top: 8px; }
.article-reading .guide-quick-links { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 24px; }
.article-reading .guide-quick-links a {
  display: inline-block;
  padding: 9px 12px;
  border: 1px solid #ded5c8;
  border-radius: 6px;
  background: #faf7f0;
  color: #7b3a1d;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  text-decoration: none;
}
.article-reading .guide-quick-links a:hover,
.article-reading .guide-quick-links a:focus-visible { border-color: #a44829; text-decoration: underline; text-underline-offset: 3px; }
.article-reading .metrics-reference-table { min-width: 620px; }
.article-reading .metrics-reference-table caption { padding: 12px 16px; color: #50483f; font-size: 14px; font-weight: 700; text-align: left; }
.article-reading .metrics-reference-table tbody th { background: transparent; color: #443b32; font-size: inherit; }
.article-reading .metrics-reference-table tbody tr.metric-row-baseline { background: #fff0a8; font-weight: 700; }
.article-reading .metrics-reference-table :is(td:nth-child(2), td:nth-child(3)) { white-space: nowrap; font-weight: 700; }
.article-reading .reading-wide-table { min-width: 550px; }
.article-reading .formula-box {
  overflow-x: visible;
  padding: 20px 24px;
  border: 1px solid #ded5c8;
  border-radius: 12px;
  background: #faf7f0;
  color: #443b32;
  font-variant-numeric: tabular-nums;
}
.article-reading .formula-box p {
  max-width: none;
  margin: 0;
  color: #443b32;
  font-family: inherit;
  font-size: clamp(16px, 2.1vw, 18px);
  font-weight: 650;
  line-height: 1.7;
  overflow-wrap: anywhere;
  text-wrap: pretty;
}
.article-reading .formula-box p + p {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid #e7dfd3;
}
.article-reading .formula-box strong { color: #7b3a1d; font-weight: 800; }
.article-reading .formula-box--steps p { display: grid; gap: 4px; }
.article-reading .formula-box--steps strong { font-size: 14px; line-height: 1.5; }
.article-reading .formula-box--steps .formula-equation { display: block; }
.article-reading .oka-calculation {
  margin: var(--guide-space-block) 0;
  padding: 20px 24px;
  border: 1px solid #ded5c8;
  border-radius: 12px;
  background: #faf7f0;
}
.article-reading .oka-calculation-label {
  margin: 0 0 8px;
  color: #50483f;
  font-size: 14px;
  font-weight: 700;
}
.article-reading .oka-calculation-equation {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  margin: 0;
  color: #443b32;
  font-size: clamp(17px, 2.5vw, 20px);
  font-weight: 650;
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
}
.article-reading .oka-calculation-equation > * { white-space: nowrap; }
.article-reading .oka-calculation-equation strong {
  padding: 2px 8px;
  border-radius: 4px;
  background: #fff0a8;
  color: #7b3a1d;
  font-size: 26px;
  font-weight: 800;
}
.article-reading .oka-calculation-equation small {
  margin-left: 3px;
  font-size: 15px;
  font-weight: 700;
}
.article-reading .metrics-figure {
  margin: 30px 0;
  padding: 26px;
  background: #fffdf9;
  border: 1px solid #e5dccf;
  border-radius: 12px;
  break-inside: avoid;
}
.article-reading .metrics-figure img { display: block; width: 100%; height: auto; }
.article-reading .metrics-figure figcaption { margin-top: 16px; color: #726658; font-size: 13px; line-height: 1.8; }
.article-reading .metrics-baselines { display: grid; grid-template-columns: 1fr 1fr; margin: 0; }
.article-reading .metrics-baselines > div { text-align: center; padding: 10px 16px; }
.article-reading .metrics-baselines > div + div { border-left: 1px solid #ded5c8; }
.article-reading .metrics-baselines dt { color: #50483f; font-size: 16px; font-weight: 700; }
.article-reading .metrics-baselines dd { margin: 12px 0 0; color: #a44829; font-size: clamp(40px, 6vw, 64px); font-weight: 800; line-height: 1.15; font-variant-numeric: tabular-nums; }
.article-reading .metrics-baselines small { display: block; margin-bottom: 8px; color: #726658; font-size: 13px; font-weight: 400; }
.article-reading .metrics-baseline-caption { text-align: center; }
.article-reading .guide-infographic { align-self: center; }
.article-reading .guide-image-link:focus-visible { outline: 3px solid #2476ad; outline-offset: 5px; border-radius: 10px; }
.article-reading #sample-size + p { margin-top: 24px; }
.article-reading .article-body :where(h2[id], section[id]) { scroll-margin-top: 120px; }
@media (max-width: 680px) {
  .article-reading .article-toc a { display: inline-flex; align-items: center; min-height: 44px; padding-block: 7px; }
  .article-reading .m-toc-jump { display: inline-flex; align-items: center; min-height: 44px; }
  .article-reading .guide-quick-links a { display: inline-flex; align-items: center; min-height: 44px; }
  .article-reading :is(.article-table-wrap:has(> :is(.reading-wide-table, .metrics-reference-table)), .score-table-scroll)::before {
    content: "表を横にスクロール →";
    display: block;
    position: sticky;
    left: 0;
    width: fit-content;
    padding: 8px 10px;
    color: #6a5949;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.5;
  }
  .article-reading .guide-overview { gap: 20px; }
  .article-reading .formula-box { padding: 16px; }
  .article-reading .oka-calculation { padding: 16px; }
  .article-reading .oka-calculation-equation { gap: 6px 10px; }
  .article-reading .oka-calculation-equation strong { padding: 2px 6px; font-size: 20px; }
  .article-reading .oka-calculation-equation small { font-size: 14px; }
  .article-reading .guide-overview .guide-infographic { grid-row: auto; }
  .article-reading .guide-chapter > section > h3 { font-size: 19px; padding-left: 11px; }
  .article-reading .article-body > section:not(.guide-overview) > h2 { margin-top: 48px; font-size: 24px; }
  .article-reading .article-body > section:not(.guide-overview) > h3 { font-size: 19px; padding-left: 11px; margin-top: 30px; }
  .article-reading .article-body > section > p { font-size: 16px; }
  .article-reading .metrics-figure { padding: 18px 10px; margin-block: 26px; }
  .article-reading .metrics-figure figcaption { padding-inline: 6px; font-size: 12px; }
  .article-reading .metrics-baselines > div { padding-inline: 6px; }
  .article-reading .metrics-baselines dt { font-size: 14px; }
  .article-reading .article-table th, .article-reading .article-table td { padding: 12px 10px; font-size: 14px; }
  .article-reading .metrics-quick-answer > h2 { margin-top: 0; }
  .article-reading .guide-infographic { width: 100%; max-width: 440px; margin-inline: auto; }
}
@media (prefers-contrast: more) {
  .article-reading .article-body mark { text-decoration: underline; }
}
@media print {
  .article-reading .article-body mark { font-weight: 700; }
  .article-reading .reading-wide-table { min-width: 0; }
  .article-reading .metrics-figure { max-width: 600px; }
}