/* SEO記事共通 — 本文400、リードは青ボックス（.tool-lead） */
.page-wrap--article {
  font-weight: 400;
}

.tool-hero {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 32px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--gray-200);
}
.tool-hero--article {
  display: block;
  margin-bottom: 28px;
  padding-bottom: 24px;
}
.tool-hero--article h1 {
  margin-bottom: 10px;
}
.tool-hero-sub {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: 14px;
}
.tool-hero--split {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 28px;
  align-items: start;
}
.tool-hero-body {
  min-width: 0;
  --hero-text-indent: 66px;
}
.tool-hero-maker,
.tool-hero-meta,
.tool-hero-body .tool-platform-bar,
.tool-hero-body .tool-product-links {
  margin-left: var(--hero-text-indent);
}
.tool-hero-brand {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 12px;
}
.tool-hero-app-icon {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  border: 1px solid var(--gray-200);
}
.tool-hero-eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--blue);
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}
.tool-hero-meta .tool-category {
  background: var(--blue-soft);
  color: var(--blue);
  border-color: var(--blue-mid);
}
.tool-hero-icon {
  width: 64px;
  height: 64px;
  border-radius: 0;
  background: var(--white);
  border: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.tool-hero-icon img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}
.tool-hero h1 {
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 6px;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.tool-hero-maker {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: 10px;
}
.tool-hero-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.tool-hero-visual {
  margin: 0;
  border: 1px solid var(--gray-200);
  background: var(--gray-100);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-self: end;
  width: 100%;
  max-width: 100%;
}
.tool-hero-visual img {
  display: block;
  flex: 1 1 0;
  min-height: 0;
  width: 100%;
  height: 0; /* maxHeight 制約下で flex 配分により高さを得る */
  object-fit: contain;
  object-position: center top;
  vertical-align: middle;
}
.tool-hero-visual figcaption {
  padding: 8px 12px;
  font-size: var(--text-xs);
  color: var(--text-muted);
  background: var(--white);
  border-top: 1px solid var(--gray-200);
}

.tool-platform-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--gray-200);
}
.tool-platform-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-muted);
}
.tool-platform-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.tool-platform-chips li {
  font-size: var(--text-xs);
  font-weight: 500;
  padding: 4px 10px;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  color: var(--text-body);
}
.tool-store-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}
.tool-store-badges--center {
  justify-content: center;
  margin-top: 18px;
}
.tool-store-badges a {
  display: block;
  line-height: 0;
}
.tool-store-badges img {
  height: 40px;
  width: auto;
}

.tool-figure {
  margin: 20px 0 28px;
  border: 1px solid var(--gray-200);
  background: var(--gray-100);
}
.tool-figure img {
  display: block;
  width: 100%;
  height: auto;
}
.tool-figure figcaption {
  padding: 10px 14px;
  font-size: var(--text-xs);
  color: var(--text-muted);
  border-top: 1px solid var(--gray-200);
  background: var(--white);
  line-height: 1.6;
}
.tool-split {
  display: grid;
  grid-template-columns: minmax(0, 13fr) minmax(0, 7fr);
  gap: 28px;
  align-items: start;
  margin-top: 16px;
}
.tool-split__media {
  max-width: 70%;
  justify-self: end;
}
.tool-split__media .tool-figure {
  margin: 0;
}
.tool-split__media .tool-figure img {
  width: 100%;
  height: auto;
  max-height: 220px;
  object-fit: contain;
}
.tool-plan-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 16px 0 24px;
  align-items: stretch;
}
.tool-plan-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  height: 100%;
  min-height: 118px;
  padding: 18px 14px;
  border: 1px solid var(--gray-200);
  background: var(--white);
  text-align: center;
}
.tool-plan-card--highlight {
  border-color: var(--blue);
  background: var(--blue-soft);
  box-shadow: inset 0 0 0 1px var(--blue-mid);
}
.tool-plan-card--highlight .tool-plan-name {
  color: var(--blue);
}
.tool-plan-name {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
}
.tool-plan-price {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.2;
}
.tool-plan-price small {
  display: block;
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--text-muted);
  margin-top: 4px;
}
.tool-plan-note {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: auto;
  padding-top: 8px;
  line-height: 1.5;
}

.tool-usecase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 16px 0 20px;
  align-items: stretch;
}
.tool-usecase-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 20px 22px;
  border: 1px solid var(--gray-200);
  background: var(--white);
}
.tool-usecase-card h3 {
  font-size: var(--text-base);
  font-weight: 700;
  margin: 0 0 12px;
  padding: 0 0 10px;
  border: none;
  border-bottom: 1px solid var(--gray-200);
  color: var(--ink);
  line-height: 1.4;
}
.tool-usecase-card ul {
  margin: 0;
  padding-left: 1.2em;
  flex: 1;
}
.tool-usecase-card li {
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--ink);
}

.tool-product-links {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-top: 14px;
  line-height: 1.8;
}
.tool-product-links a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.tool-product-links a:hover { opacity: 0.65; }
.tool-product-links span { margin: 0 4px; color: var(--gray-300); }
.tool-product-links--footer {
  margin: 36px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--gray-200);
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.tool-meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  font-size: var(--text-sm);
  color: var(--text-body);
  margin-bottom: 28px;
}
.tool-meta-bar time {
  color: var(--blue);
  font-weight: var(--font-semibold);
}

.tool-lead {
  font-size: var(--text-base);
  line-height: 1.9;
  color: var(--ink);
  margin-bottom: 28px;
  padding: 18px 22px;
  background: var(--blue-soft);
  border-radius: 0;
  border: 1px solid var(--blue-mid);
  border-left: 4px solid var(--blue);
}
.tool-lead strong,
.tool-content strong,
.tool-callout strong,
.tool-example-list strong {
  color: var(--ink);
  font-weight: var(--font-bold);
}

.tool-toc {
  margin-bottom: 36px;
  padding: 22px 26px;
  background: var(--gray-100);
  border-radius: 0;
  border: 1px solid var(--gray-200);
}
.tool-toc-title {
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--ink);
  letter-spacing: 0.02em;
}
.tool-toc ol {
  padding-left: 1.4em;
  margin: 0;
}
.tool-toc li {
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--ink);
}
.tool-toc li + li { margin-top: 6px; }
.tool-toc a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--gray-300);
  text-underline-offset: 3px;
  transition: color 0.15s, text-decoration-color 0.15s;
}
.tool-toc a:hover {
  color: var(--blue);
  text-decoration-color: var(--blue);
}

.tool-content section {
  margin-bottom: 44px;
  scroll-margin-top: calc(var(--nav-h) + 16px);
}
.tool-content > section h2 {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: 16px;
  padding: 0 0 10px;
  border-bottom: 1px solid var(--gray-200);
  color: var(--ink);
  letter-spacing: -0.01em;
  display: flex;
  align-items: stretch;
  gap: 12px;
  line-height: 1.4;
}
.tool-content > section h2::before {
  content: '';
  width: 4px;
  flex-shrink: 0;
  background: var(--blue);
}
.tool-content > section > h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin: 24px 0 12px;
  padding: 0;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 10px;
  line-height: 1.4;
}
.tool-content > section > h3::before {
  content: '';
  width: 2px;
  height: 1em;
  flex-shrink: 0;
  background: var(--blue-mid);
}
.tool-content p,
.tool-content li,
.tool-content td {
  font-size: var(--text-base);
  line-height: 1.85;
  color: var(--ink);
}
.tool-content p + p { margin-top: 14px; }
.tool-content ul,
.tool-content ol {
  padding-left: 1.4em;
  margin-top: 12px;
}
.tool-content ol.tool-steps {
  padding-left: 0;
  margin-top: 16px;
}
.tool-content li + li { margin-top: 8px; }
.tool-steps li + li { margin-top: 0; }

.tool-content a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--gray-300);
  text-underline-offset: 2px;
  transition: color 0.15s, text-decoration-color 0.15s, opacity 0.15s;
}
/* 内部リンク — ホバーで青くして回遊を促す */
.tool-content a[href^="#"]:hover,
.tool-content a[href^="../"]:hover,
.tool-content a[href^="../../"]:hover,
.tool-content a[href^="index"]:hover {
  color: var(--blue);
  text-decoration-color: var(--blue);
  opacity: 1;
}
/* 外部リンク — 控えめなホバー */
.tool-content a[href^="http"]:hover {
  opacity: 0.65;
}

.tool-spec-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  margin-top: 16px;
  font-size: var(--text-base);
}
.tool-spec-table th,
.tool-spec-table td {
  padding: 12px 16px;
  border: 1px solid var(--border-default);
  text-align: left;
  vertical-align: top;
  overflow-wrap: anywhere;
}
.tool-spec-table thead th {
  background: var(--surface-table-head);
  color: var(--ink);
  font-weight: 700;
  white-space: nowrap;
}
.tool-spec-table tbody th {
  color: var(--ink);
  font-weight: 600;
  transition: background 0.12s;
}
.tool-spec-table td {
  color: var(--ink);
  transition: background 0.12s;
}
.tool-spec-table td small {
  font-size: var(--text-sm);
  color: var(--text-muted);
}
.tool-spec-table tbody tr:nth-child(odd) td,
.tool-spec-table tbody tr:nth-child(odd) th {
  background: var(--white);
}
.tool-spec-table tbody tr:nth-child(even) td,
.tool-spec-table tbody tr:nth-child(even) th {
  background: var(--surface-table-row);
}
.tool-spec-table tbody tr:hover td,
.tool-spec-table tbody tr:hover th {
  background: var(--blue-soft);
}

.tool-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 16px;
  align-items: stretch;
}
.tool-feature-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 20px 22px;
  border: 1px solid var(--gray-200);
  border-radius: 0;
  background: var(--white);
}
.tool-feature-card__icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  margin-bottom: 12px;
  padding: 6px;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  object-fit: contain;
}
.tool-feature-card h3 {
  font-size: var(--text-base);
  font-weight: 700;
  margin: 0 0 10px;
  padding: 0;
  border: none;
  color: var(--ink);
  line-height: 1.4;
}
.tool-feature-card p {
  font-size: var(--text-base);
  line-height: 1.75;
  margin: 0;
  color: var(--ink);
}

.tool-pros-cons-table { margin-top: 16px; }
.tool-pros-cons-th {
  width: 50%;
}
.tool-pros-cons-th--pro {
  border-top: 3px solid var(--green);
}
.tool-pros-cons-th--con {
  border-top: 3px solid var(--red);
}
.tool-pros-cons-table td {
  font-size: var(--text-base);
  vertical-align: top;
}
.tool-pros-cons-table td:empty {
  background: var(--white);
}

.tool-steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin-top: 16px;
}
.tool-steps li {
  counter-increment: step;
  position: relative;
  padding-left: 40px;
  margin-bottom: 14px;
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--ink);
}
.tool-steps li:last-child {
  margin-bottom: 0;
}
.tool-steps a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.tool-steps a:hover { opacity: 0.65; }
.tool-steps li strong {
  display: block;
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  line-height: 1.4;
  margin-bottom: 2px;
  color: var(--ink);
}
.tool-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 1px;
  width: 26px;
  height: 26px;
  border-radius: 0;
  background: var(--blue-soft);
  color: var(--blue);
  border: 1px solid var(--blue-mid);
  font-size: var(--text-sm);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tool-faq { margin-top: 16px; }
.tool-faq details {
  border: 1px solid var(--gray-200);
  border-radius: 0;
  margin-bottom: 8px;
  overflow: hidden;
}
.tool-faq details[open] {
  background: var(--blue-soft);
  border-color: var(--blue-mid);
}
.tool-faq details[open] summary {
  color: var(--blue);
}
.tool-faq summary {
  padding: 14px 18px;
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  line-height: 1.5;
  transition: color 0.15s;
}
.tool-faq summary:hover {
  color: var(--blue);
}
.tool-faq summary::-webkit-details-marker { display: none; }
.tool-faq summary::after {
  content: '+';
  float: right;
  color: var(--text-muted);
  font-weight: 400;
  font-size: var(--text-lg);
}
.tool-faq details[open] summary::after { content: '−'; }
.tool-faq .tool-faq-a {
  padding: 0 18px 16px;
  font-size: var(--text-base);
  line-height: 1.85;
  color: var(--ink);
}

.tool-callout {
  margin-top: 16px;
  padding: 18px 22px;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
}
.tool-callout p {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--ink);
  margin: 0;
}
.tool-callout p + p {
  margin-top: 10px;
}
.tool-callout a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.tool-callout a:hover {
  color: var(--blue);
}

.tool-example-list {
  margin-top: 14px;
  padding: 0;
  list-style: none;
}
.tool-example-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-200);
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--ink);
}
.tool-example-list li:last-child {
  border-bottom: none;
}
.tool-example-list strong {
  display: block;
  margin-bottom: 4px;
}

.tool-related-wrap {
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--gray-200);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px 40px;
  align-items: start;
}
.tool-related-block {
  min-width: 0;
}
.tool-related-block + .tool-related-block {
  margin-top: 0;
}
.tool-related-heading {
  font-size: var(--text-lg);
  font-weight: 700;
  margin: 0 0 12px;
  padding: 0 0 8px;
  border: none;
  border-bottom: 1px solid var(--gray-200);
  color: var(--ink);
  letter-spacing: 0;
}
.tool-related-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.tool-related-list li {
  display: flex;
  align-items: center;
  min-height: 40px;
  padding: 0;
  border-bottom: 1px solid var(--gray-200);
}
.tool-related-list li:last-child {
  border-bottom: none;
}
.tool-related-list__index {
  border-top: 1px solid var(--gray-200);
  margin-top: 4px;
  padding-top: 2px;
}
.tool-related-list__index a {
  color: var(--text-body);
  font-size: var(--text-sm);
}
.tool-related-list__index a:hover {
  color: var(--blue);
}
.tool-related-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 10px 0;
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--ink);
  background: none;
  border: none;
  text-decoration: underline;
  text-decoration-color: var(--gray-300);
  text-underline-offset: 3px;
  transition: color 0.15s, text-decoration-color 0.15s;
}
.tool-related-list a img {
  width: 16px;
  height: 16px;
  object-fit: contain;
  flex-shrink: 0;
}
.tool-related-list a:hover {
  color: var(--blue);
  text-decoration-color: var(--blue);
}
.tool-related-list__soon {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 10px 0;
  font-size: var(--text-sm);
  color: var(--text-muted);
}
.tool-related-list__soon img {
  width: 16px;
  height: 16px;
  object-fit: contain;
  flex-shrink: 0;
  opacity: 0.7;
}
.tool-soon-badge {
  margin-left: auto;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  padding: 2px 7px;
  border-radius: 20px;
  background: var(--gray-100);
  color: var(--gray-600);
  border: 1px solid var(--gray-200);
  white-space: nowrap;
}

@media (max-width: 900px) {
  .tool-hero--split,
  .tool-split { grid-template-columns: 1fr; }
  .tool-split__media {
    max-width: min(320px, 100%);
    justify-self: center;
  }
  .tool-hero-visual {
    order: -1;
    max-width: 520px;
    height: auto !important;
    max-height: none !important;
    margin: 0 auto;
    justify-self: center;
  }
  .tool-hero-visual img {
    flex: none;
    width: 100%;
    height: auto;
    object-fit: initial;
  }
  .tool-plan-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .tool-hero-body { --hero-text-indent: 0; }
  .tool-hero h1,
  .tool-hero--article h1 { font-size: var(--text-xl); }
  .tool-content > section h2 { font-size: var(--text-lg); }
  .tool-related-wrap { grid-template-columns: 1fr; gap: 28px; }
  .tool-feature-grid,
  .tool-usecase-grid { grid-template-columns: 1fr; }
  .tool-plan-grid { grid-template-columns: 1fr; }
  .tool-spec-table { font-size: var(--text-sm); }
  .tool-spec-table th,
  .tool-spec-table td { padding: 10px 12px; }
  .tool-store-badges img { height: 36px; }
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--gray-300);
  text-underline-offset: 2px;
  margin-top: 16px;
  transition: color 0.15s, text-decoration-color 0.15s;
}
.back-link:hover {
  color: var(--blue);
  text-decoration-color: var(--blue);
}