.rw-notation-checker {
  --rw-nc-bg: #fff8ef;
  --rw-nc-panel: #fff;
  --rw-nc-soft: #fff3e0;
  --rw-nc-text: #2b2118;
  --rw-nc-muted: #6e6258;
  --rw-nc-border: #ead8c0;
  --rw-nc-border-strong: #d7b88e;
  --rw-nc-accent: #e87518;
  --rw-nc-accent-dark: #b95206;
  --rw-nc-green: #2d7a52;
  --rw-nc-red: #b3261e;
  --rw-nc-warning: #8f5a00;
  --rw-nc-radius: 8px;
  color: var(--rw-nc-text);
  background: linear-gradient(180deg, #fff7eb 0, #fffaf5 100%);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  padding: 28px 0 42px;
}

.rw-notation-checker *,
.rw-notation-checker *::before,
.rw-notation-checker *::after {
  box-sizing: border-box;
}

.rw-notation-checker button,
.rw-notation-checker input,
.rw-notation-checker textarea {
  font: inherit;
}

.rw-nc-wrap {
  width: calc(100% - 32px);
  max-width: 1180px;
  margin: 0 auto;
}

.rw-nc-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: 24px;
  align-items: end;
  margin-bottom: 24px;
}

.rw-nc-kicker {
  margin: 0 0 10px;
  color: var(--rw-nc-accent-dark);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.rw-nc-title {
  margin: 0 0 12px;
  font-size: clamp(2rem, 3.7vw, 3.45rem);
  line-height: 1.15;
  letter-spacing: 0;
}

.rw-nc-lead,
.rw-nc-note p,
.rw-nc-panel-head p,
.rw-nc-guidance li {
  color: var(--rw-nc-muted);
}

.rw-nc-lead {
  max-width: 760px;
  margin: 0 0 18px;
  font-size: 1.05rem;
}

.rw-nc-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.rw-nc-badges span,
.rw-nc-count,
.rw-nc-summary-card,
.rw-nc-tag {
  border: 1px solid var(--rw-nc-border);
  border-radius: var(--rw-nc-radius);
  background: var(--rw-nc-panel);
}

.rw-nc-badges span {
  padding: 7px 10px;
  color: #4d3b2d;
  font-size: 0.9rem;
  font-weight: 700;
}

.rw-nc-note,
.rw-nc-panel {
  border: 1px solid var(--rw-nc-border);
  border-radius: var(--rw-nc-radius);
  background: rgba(255, 255, 255, 0.96);
}

.rw-nc-note {
  padding: 18px;
  background: #fffaf2;
}

.rw-nc-note strong {
  display: block;
  margin-bottom: 8px;
}

.rw-nc-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 22px;
  align-items: start;
}

.rw-nc-main,
.rw-nc-side {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.rw-nc-panel {
  padding: 20px;
  min-width: 0;
}

.rw-nc-panel-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 14px;
}

.rw-nc-panel h2,
.rw-nc-panel h3,
.rw-nc-panel h4,
.rw-nc-note p {
  margin-top: 0;
}

.rw-nc-panel h2 {
  margin-bottom: 4px;
  font-size: 1.18rem;
}

.rw-nc-panel-head p {
  margin: 0;
  font-size: 0.92rem;
}

.rw-nc-count {
  flex: 0 0 auto;
  padding: 6px 10px;
  color: var(--rw-nc-accent-dark);
  background: var(--rw-nc-soft);
  font-size: 0.86rem;
  font-weight: 800;
}

.rw-nc-textarea,
.rw-nc-input {
  width: 100%;
  border: 1px solid var(--rw-nc-border-strong);
  border-radius: var(--rw-nc-radius);
  background: #fffdfa;
  color: var(--rw-nc-text);
}

.rw-nc-textarea {
  min-height: 320px;
  padding: 14px;
  resize: vertical;
}

.rw-nc-input {
  min-height: 38px;
  padding: 7px 9px;
}

.rw-nc-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 12px;
}

.rw-nc-row-split {
  justify-content: space-between;
}

.rw-nc-button {
  min-height: 40px;
  border: 1px solid var(--rw-nc-border-strong);
  border-radius: var(--rw-nc-radius);
  padding: 9px 14px;
  background: #fff7ec;
  color: var(--rw-nc-accent-dark);
  font-weight: 800;
  cursor: pointer;
}

.rw-nc-button-primary {
  border-color: transparent;
  background: var(--rw-nc-accent);
  color: #fff;
}

.rw-nc-button-ghost {
  border-color: var(--rw-nc-border);
  background: #fff;
  color: #5c4634;
}

.rw-nc-button-small {
  min-height: 34px;
  padding: 6px 10px;
  font-size: 0.86rem;
}

.rw-nc-button:disabled {
  opacity: 0.58;
  cursor: not-allowed;
}

.rw-nc-message {
  margin: 12px 0 0;
  padding: 10px 12px;
  border-radius: var(--rw-nc-radius);
  background: #edf6fb;
  color: #17445f;
  font-size: 0.92rem;
  font-weight: 700;
}

.rw-nc-message-error {
  background: #fff0ee;
  color: var(--rw-nc-red);
}

.rw-nc-message-warning {
  background: #fff7d6;
  color: var(--rw-nc-warning);
}

.rw-nc-toggle {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--rw-nc-accent-dark);
  font-weight: 900;
}

.rw-nc-toggle input,
.rw-nc-category-toggle input,
.rw-nc-group-item input {
  width: 18px;
  height: 18px;
  accent-color: var(--rw-nc-accent);
}

.rw-nc-list {
  display: grid;
  gap: 12px;
  max-height: 360px;
  margin-top: 12px;
  overflow: auto;
}

.rw-nc-dictionary-stats {
  margin: 0;
  padding: 9px 10px;
  border: 1px solid var(--rw-nc-border);
  border-radius: var(--rw-nc-radius);
  background: var(--rw-nc-soft);
  color: var(--rw-nc-accent-dark);
  font-size: 0.86rem;
  font-weight: 900;
}

.rw-nc-group-category {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--rw-nc-border);
  border-radius: var(--rw-nc-radius);
  background: #fffdf8;
}

.rw-nc-group-category-heading {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.rw-nc-category-toggle {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--rw-nc-text);
  font-weight: 900;
}

.rw-nc-category-note {
  margin: 0;
  color: var(--rw-nc-muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.rw-nc-category-list {
  display: grid;
  gap: 8px;
}

.rw-nc-group-item {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 9px;
  padding: 10px;
  border: 1px solid var(--rw-nc-border);
  border-radius: var(--rw-nc-radius);
  background: #fffaf2;
}

.rw-nc-group-item strong {
  display: block;
}

.rw-nc-muted {
  color: var(--rw-nc-muted);
}

.rw-nc-group-note {
  display: block;
  margin-top: 4px;
  color: var(--rw-nc-warning);
  font-size: 0.82rem;
  line-height: 1.45;
}

.rw-nc-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--rw-nc-border);
  border-radius: var(--rw-nc-radius);
}

.rw-nc-table {
  width: 100%;
  border-collapse: collapse;
}

.rw-nc-table th,
.rw-nc-table td {
  padding: 10px;
  border-bottom: 1px solid var(--rw-nc-border);
  vertical-align: top;
  text-align: left;
}

.rw-nc-table th {
  background: #fff7ec;
  color: #5c3b1e;
  font-size: 0.86rem;
  white-space: nowrap;
}

.rw-nc-empty {
  padding: 18px;
  border: 1px dashed var(--rw-nc-border-strong);
  border-radius: var(--rw-nc-radius);
  background: #fffaf2;
}

.rw-nc-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 12px 0 18px;
}

.rw-nc-summary-card {
  padding: 14px;
  background: #fffaf2;
}

.rw-nc-summary-card span {
  display: block;
  color: var(--rw-nc-muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.rw-nc-summary-card strong {
  display: block;
  margin-top: 2px;
  color: var(--rw-nc-accent-dark);
  font-size: 1.55rem;
  line-height: 1.2;
}

.rw-nc-result-list {
  display: grid;
  gap: 10px;
}

.rw-nc-result-item {
  padding: 14px;
  border: 1px solid var(--rw-nc-border);
  border-radius: var(--rw-nc-radius);
  background: #fffdfa;
}

.rw-nc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.rw-nc-tag {
  display: inline-flex;
  gap: 6px;
  padding: 5px 8px;
  background: #fff7ec;
  font-size: 0.86rem;
  font-weight: 800;
}

.rw-nc-tag-custom {
  border-color: #b7d7c4;
  background: #e9f6ee;
  color: var(--rw-nc-green);
}

.rw-nc-context mark {
  padding: 1px 3px;
  border-radius: 4px;
  background: #ffe0b8;
  color: #3c2512;
}

.rw-nc-guidance ul {
  margin: 10px 0 0;
  padding-left: 1.2em;
}

.rw-nc-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 980px) {
  .rw-nc-hero,
  .rw-nc-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .rw-notation-checker {
    padding-top: 18px;
  }

  .rw-nc-wrap {
    width: calc(100% - 22px);
  }

  .rw-nc-title {
    font-size: 1.78rem;
    line-height: 1.22;
  }

  .rw-nc-panel,
  .rw-nc-note {
    padding: 16px;
  }

  .rw-nc-panel-head,
  .rw-nc-row-split {
    flex-direction: column;
    align-items: stretch;
  }

  .rw-nc-badges,
  .rw-nc-summary {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .rw-nc-row > .rw-nc-button {
    width: 100%;
  }

  .rw-nc-summary {
    grid-template-columns: 1fr;
  }
}

/* Layout only for this tool's custom-rule editor. */
.rw-notation-checker .rw-nc-panel:has([data-rw-nc-rules]) .rw-nc-panel-head {
  flex-wrap: wrap;
  align-items: flex-start;
}
.rw-notation-checker .rw-nc-panel:has([data-rw-nc-rules]) .rw-nc-panel-head > div {
  flex: 1 1 160px;
  min-width: 0;
}
.rw-notation-checker [data-rw-nc-add-rule],
.rw-notation-checker [data-rw-nc-rules] button {
  flex: 0 0 auto;
  min-width: 5.5em;
  min-height: 44px;
  padding: 10px 14px;
  font-size: 1rem;
  line-height: 1.4;
  white-space: nowrap;
}
.rw-notation-checker [data-rw-nc-add-rule] { min-width: 7em; }
.rw-notation-checker table:has([data-rw-nc-rules]) { table-layout: fixed; }
.rw-notation-checker table:has([data-rw-nc-rules]) th:last-child { width: 108px; }
.rw-notation-checker [data-rw-nc-rules] input {
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  min-height: 44px;
  font-size: 1rem;
}
@media (max-width: 680px) {
  .rw-notation-checker .rw-nc-panel:has([data-rw-nc-rules]) .rw-nc-panel-head > div { flex: none; }
  .rw-notation-checker .rw-nc-table-wrap:has([data-rw-nc-rules]) { overflow: visible; }
  .rw-notation-checker table:has([data-rw-nc-rules]),
  .rw-notation-checker [data-rw-nc-rules] { display: block; width: 100%; }
  .rw-notation-checker table:has([data-rw-nc-rules]) thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
  }
  .rw-notation-checker [data-rw-nc-rules] tr {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    padding: 12px;
    border-bottom: 1px solid var(--rw-nc-border);
  }
  .rw-notation-checker [data-rw-nc-rules] tr:last-child { border-bottom: 0; }
  .rw-notation-checker [data-rw-nc-rules] td { display: block; padding: 0; border: 0; min-width: 0; }
  .rw-notation-checker [data-rw-nc-rules] td:nth-child(1)::before,
  .rw-notation-checker [data-rw-nc-rules] td:nth-child(2)::before {
    display: block;
    margin-bottom: 6px;
    font-weight: 700;
  }
  .rw-notation-checker [data-rw-nc-rules] td:nth-child(1)::before { content: "避ける表記"; }
  .rw-notation-checker [data-rw-nc-rules] td:nth-child(2)::before { content: "推奨表記"; }
  .rw-notation-checker [data-rw-nc-rules] td:last-child { text-align: right; }
}