/* 既存ツールページのSEO補足コンテンツ -------------------------------- */
body.gt-seo-tool-page .gt-tool-trust-note {
  margin: 18px 0 0;
  padding: 15px 18px;
  border-left: 4px solid var(--gt-accent-strong);
  background: #fff8f0;
  color: var(--gt-ink-soft);
  font-size: 12px;
  line-height: 1.85;
}

body.gt-seo-tool-page .gt-tool-trust-note strong {
  color: var(--gt-ink);
}

body.gt-seo-tool-page .gt-tool-trust-note a {
  color: #984516;
  font-weight: 750;
}

body.gt-seo-tool-page .gt-tool-seo {
  width: 100%;
  margin-top: clamp(48px,7vw,86px);
}

body.gt-seo-tool-page .gt-tool-seo-section {
  padding: clamp(36px,5vw,66px) 0;
  border-top: 1px solid var(--gt-line);
}

body.gt-seo-tool-page .gt-tool-seo-kicker {
  margin: 0 0 9px;
  color: var(--gt-accent-strong);
  font: 800 10px/1.4 Arial,sans-serif;
  letter-spacing: .16em;
}

body.gt-seo-tool-page .gt-tool-seo-section > h2,
body.gt-seo-tool-page .gt-tool-related h2 {
  margin: 0 0 28px;
  color: var(--gt-ink);
  font-size: clamp(23px,3.2vw,38px);
  line-height: 1.45;
  letter-spacing: -.04em;
}

body.gt-seo-tool-page .gt-tool-howto-list {
  display: grid;
  grid-template-columns: repeat(3,minmax(0,1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: gt-tool-step;
}

body.gt-seo-tool-page .gt-tool-howto-list li {
  position: relative;
  min-height: 182px;
  margin: 0;
  padding: 64px 22px 22px;
  border: 1px solid var(--gt-line);
  background: rgba(255,255,255,.5);
  counter-increment: gt-tool-step;
}

body.gt-seo-tool-page .gt-tool-howto-list li::before {
  content: "0" counter(gt-tool-step);
  position: absolute;
  top: 20px;
  left: 22px;
  color: var(--gt-accent-strong);
  font: 800 11px/1 Arial,sans-serif;
  letter-spacing: .12em;
}

body.gt-seo-tool-page .gt-tool-howto-list strong {
  display: block;
  margin-bottom: 10px;
  color: var(--gt-ink);
  font-size: 17px;
  line-height: 1.5;
}

body.gt-seo-tool-page .gt-tool-howto-list span,
body.gt-seo-tool-page .gt-tool-card-grid p,
body.gt-seo-tool-page .gt-tool-spec-grid p {
  display: block;
  margin: 0;
  color: var(--gt-ink-soft);
  font-size: 12px;
  line-height: 1.9;
}

body.gt-seo-tool-page .gt-tool-card-grid {
  display: grid;
  grid-template-columns: repeat(2,minmax(0,1fr));
  gap: 12px;
}

body.gt-seo-tool-page .gt-tool-card-grid article {
  padding: 24px;
  border: 1px solid var(--gt-line);
  background: rgba(255,255,255,.45);
}

body.gt-seo-tool-page .gt-tool-card-grid article > span {
  display: block;
  margin-bottom: 18px;
  color: var(--gt-accent-strong);
  font: 800 9px/1.4 Arial,sans-serif;
  letter-spacing: .14em;
}

body.gt-seo-tool-page .gt-tool-card-grid h3,
body.gt-seo-tool-page .gt-tool-spec-grid h3 {
  margin: 0 0 9px;
  color: var(--gt-ink);
  font-size: 17px;
  line-height: 1.5;
}

body.gt-seo-tool-page .gt-tool-spec-grid {
  display: grid;
  grid-template-columns: repeat(3,minmax(0,1fr));
  gap: 28px;
}

body.gt-seo-tool-page .gt-tool-spec-grid article {
  padding-top: 20px;
  border-top: 3px solid #dfbd9d;
}

body.gt-seo-tool-page .gt-tool-note {
  margin: 28px 0 0;
  padding: 16px 18px;
  background: #efe7dd;
  color: var(--gt-ink-soft);
  font-size: 12px;
  line-height: 1.85;
}

body.gt-seo-tool-page .gt-tool-note strong {
  color: var(--gt-ink);
}

body.gt-seo-tool-page .gt-tool-faq-list {
  border-top: 1px solid var(--gt-line);
}

body.gt-seo-tool-page .gt-tool-faq-list details {
  border-bottom: 1px solid var(--gt-line);
}

body.gt-seo-tool-page .gt-tool-faq-list summary {
  position: relative;
  padding: 20px 48px 20px 4px;
  color: var(--gt-ink);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.7;
  cursor: pointer;
  list-style: none;
}

body.gt-seo-tool-page .gt-tool-faq-list summary::-webkit-details-marker {
  display: none;
}

body.gt-seo-tool-page .gt-tool-faq-list summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 10px;
  color: var(--gt-accent-strong);
  font: 300 25px/1 Arial,sans-serif;
  transform: translateY(-50%);
}

body.gt-seo-tool-page .gt-tool-faq-list details[open] summary::after {
  content: "−";
}

body.gt-seo-tool-page .gt-tool-faq-list details p {
  margin: -2px 0 0;
  padding: 0 48px 22px 4px;
  color: var(--gt-ink-soft);
  font-size: 13px;
  line-height: 1.95;
}

body.gt-seo-tool-page .gt-tool-related {
  display: grid;
  grid-template-columns: 1.2fr repeat(3,minmax(0,1fr));
  gap: 12px;
  align-items: stretch;
  padding: clamp(36px,5vw,66px) 0 0;
  border-top: 1px solid var(--gt-line);
}

body.gt-seo-tool-page .gt-tool-related > div {
  padding-right: 20px;
}

body.gt-seo-tool-page .gt-tool-related h2 {
  margin-bottom: 0;
}

body.gt-seo-tool-page .gt-tool-related > a {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 150px;
  padding: 20px;
  border: 1px solid var(--gt-line);
  background: rgba(255,255,255,.55);
  color: var(--gt-ink);
  text-decoration: none;
  transition: transform .16s,border-color .16s;
}

body.gt-seo-tool-page .gt-tool-related > a:hover {
  border-color: #d59a61;
  transform: translateY(-3px);
}

body.gt-seo-tool-page .gt-tool-related > a span {
  margin-bottom: 16px;
  color: var(--gt-muted);
  font-size: 11px;
  line-height: 1.7;
}

body.gt-seo-tool-page .gt-tool-related > a strong {
  font-size: 15px;
  line-height: 1.55;
}

@media (max-width: 900px) {
  body.gt-seo-tool-page .gt-tool-howto-list,
  body.gt-seo-tool-page .gt-tool-spec-grid {
    grid-template-columns: 1fr;
  }

  body.gt-seo-tool-page .gt-tool-howto-list li {
    min-height: 0;
  }

  body.gt-seo-tool-page .gt-tool-related {
    grid-template-columns: repeat(3,minmax(0,1fr));
  }

  body.gt-seo-tool-page .gt-tool-related > div {
    grid-column: 1 / -1;
  }
}

@media (max-width: 690px) {
  body.gt-seo-tool-page .gt-tool-card-grid,
  body.gt-seo-tool-page .gt-tool-related {
    grid-template-columns: 1fr;
  }

  body.gt-seo-tool-page .gt-tool-related > div {
    grid-column: auto;
    padding-right: 0;
  }

  body.gt-seo-tool-page .gt-tool-related > a {
    min-height: 118px;
  }
}