:root {
  --category-ink: #18211f;
  --category-muted: #66736d;
  --category-line: #dce5e0;
  --category-soft-line: #eaf0ed;
  --category-surface: #ffffff;
  --category-surface-soft: #f5f8f6;
  --category-accent: #1d7660;
  --category-accent-dark: #145344;
  --category-accent-pale: #e7f3ee;
  --category-shadow: 0 12px 32px rgba(24, 33, 31, 0.08);
}

.category-page {
  margin: 0;
  color: var(--category-ink);
  background:
    radial-gradient(circle at top right, rgba(221, 240, 232, 0.8), transparent 34rem),
    #eef3f0;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 15px;
  line-height: 1.7;
}

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

.category-page h1,
.category-page h2,
.category-page h3,
.category-page h4,
.category-page p {
  overflow-wrap: anywhere;
}

.category-page h1,
.category-page h2,
.category-page h3,
.category-page h4 {
  line-height: 1.35;
}

.category-main {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 20px 0 40px;
}

.category-main a {
  color: inherit;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--category-accent);
  font-family: "DM Sans", sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.tool-intro,
.search-panel,
.results-card,
.tool-guide {
  border: 1px solid var(--category-line);
  border-radius: 16px;
  background: var(--category-surface);
  box-shadow: var(--category-shadow);
}

.tool-intro {
  padding: 34px 38px 30px;
}

.tool-intro h1 {
  margin: 0 0 12px;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  letter-spacing: -0.03em;
}

.tool-intro p {
  margin: 7px 0 0;
  color: var(--category-muted);
}

.tool-intro .lead {
  color: var(--category-ink);
  font-size: 1rem;
}

.ad-inline {
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(728px, 100%);
  min-height: 90px;
  margin: 18px auto 0;
  overflow: hidden;
}

.search-panel {
  margin-top: 18px;
  padding: 24px 28px 22px;
}

.section-heading,
.results-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.category-page h2 {
  margin: 0;
  font-size: clamp(1.25rem, 2vw, 1.55rem);
}

.search-mode,
.result-count {
  flex: 0 0 auto;
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--category-accent-dark);
  background: var(--category-accent-pale);
  font-size: 12px;
  font-weight: 700;
}

.search-form {
  margin-top: 20px;
}

.search-form label {
  display: block;
  margin-bottom: 7px;
  color: var(--category-muted);
  font-size: 13px;
  font-weight: 700;
}

.search-controls {
  display: flex;
  gap: 10px;
}

.search-input {
  min-width: 0;
  flex: 1 1 auto;
  height: 48px;
  padding: 0 15px;
  border: 1px solid #bdcbc4;
  border-radius: 8px;
  color: var(--category-ink);
  background: #fff;
  font: inherit;
  outline: none;
}

.search-input:focus {
  border-color: var(--category-accent);
  box-shadow: 0 0 0 3px rgba(29, 118, 96, 0.14);
}

.search-button {
  flex: 0 0 96px;
  height: 48px;
  border: 0;
  border-radius: 8px;
  color: #fff;
  background: var(--category-accent);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.search-button:hover {
  background: var(--category-accent-dark);
}

.form-help {
  margin: 8px 0 0;
  color: var(--category-muted);
  font-size: 12px;
}

.search-error {
  margin: 16px 0 0;
  padding: 10px 14px;
  border-left: 4px solid #b85a48;
  color: #7a3024;
  background: #fff2ef;
}

.results-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 160px;
  align-items: start;
  gap: 18px;
  margin-top: 18px;
}

.results-card {
  min-width: 0;
  padding: 26px 28px 30px;
}

.result-summary {
  margin: 9px 0 18px;
  color: var(--category-muted);
  font-size: 13px;
}

.results-table-wrap {
  width: 100%;
  overflow-x: auto;
}

.query-result {
  width: 100%;
  table-layout: fixed;
  border: 1px solid var(--category-line);
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 10px;
  overflow: hidden;
  font-size: 14px;
}

.query-result .category-id-column {
  width: 132px;
}

.query-result th {
  padding: 12px 14px;
  border-bottom: 1px solid #236d5a;
  color: #fff;
  background: var(--category-accent);
  font-size: 12px;
  font-weight: 700;
  text-align: left;
}

.query-result th:first-child {
  text-align: center;
}

.query-result td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--category-soft-line);
  vertical-align: top;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.query-result td:first-child {
  color: var(--category-muted);
  font-family: "DM Sans", sans-serif;
  font-size: 12px;
  text-align: center;
}

.query-result tbody tr:not(.ad-row) {
  background: #fff;
}

.query-result tbody tr:nth-child(odd of :not(.ad-row)) {
  background: #f1f7f4;
}

.query-result tbody tr:not(.ad-row):hover {
  background: #d8ece5;
}

.query-result tbody tr:last-child td {
  border-bottom: 0;
}

.query-result .ad-row td {
  padding: 16px;
  background: var(--category-surface-soft);
}

.ad-pair {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.ad-pair-item {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 1 300px;
  width: min(300px, 100%);
  height: 250px;
  min-height: 250px;
  max-width: 300px;
  overflow: hidden;
}

.results-sidebar {
  width: 160px;
  min-height: 600px;
  overflow: hidden;
}

.tool-guide {
  margin-top: 18px;
  padding: 26px 28px 30px;
}

.tool-guide > p:not(.eyebrow) {
  margin: 10px 0 0;
  color: var(--category-muted);
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.guide-grid > div {
  padding: 18px 20px;
  border: 1px solid var(--category-soft-line);
  border-radius: 10px;
  background: var(--category-surface-soft);
}

.category-page h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.guide-example {
  grid-column: 1 / -1;
}

.guide-example h4 {
  margin: 16px 0 4px;
  font-size: 14px;
}

.guide-example h4:first-of-type {
  margin-top: 4px;
}

.guide-example p {
  margin: 0;
  color: var(--category-muted);
  font-size: 13px;
}

.guide-grid ol,
.guide-grid ul {
  margin: 0;
  padding-left: 1.4em;
  color: var(--category-muted);
  font-size: 13px;
}

.service-note {
  margin: 20px 0 0;
  padding: 12px 14px;
  border-left: 4px solid #9abeb0;
  color: var(--category-muted);
  background: var(--category-surface-soft);
  font-size: 12px;
}

@media (max-width: 960px) {
  .results-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .results-sidebar {
    order: 2;
    margin: 0 auto;
  }
}

@media (max-width: 680px) {
  .category-page {
    font-size: 14px;
  }

  .category-main {
    width: min(100% - 20px, 560px);
    padding-top: 10px;
  }

  .tool-intro,
  .search-panel,
  .results-card,
  .tool-guide {
    border-radius: 12px;
  }

  .tool-intro {
    padding: 24px 20px;
  }

  .search-panel,
  .results-card,
  .tool-guide {
    padding: 20px;
  }

  .section-heading,
  .results-heading {
    gap: 10px;
  }

  .search-mode,
  .result-count {
    padding: 4px 8px;
    font-size: 11px;
  }

  .search-controls {
    align-items: stretch;
    flex-direction: column;
  }

  .search-button {
    flex-basis: auto;
    width: 100%;
  }

  .guide-grid {
    grid-template-columns: 1fr;
  }

  .query-result {
    font-size: 13px;
  }

  .query-result .category-id-column {
    width: 86px;
  }

  .query-result th,
  .query-result td {
    padding: 10px 8px;
  }

  .query-result td:first-child {
    font-size: 11px;
  }

  .query-result .ad-row td {
    padding: 12px 8px;
  }

  .ad-pair-item {
    width: 100%;
    max-width: 300px;
  }

  .results-sidebar {
    min-height: 600px;
  }
}