#main-content:has([data-csv-app]) {
  background:
    linear-gradient(180deg, rgb(19 78 74 / 0.05), transparent 240px),
    #e7eef3;
}

.csvk-app {
  --csvk-ink: #1f2937;
  --csvk-muted: #4b5563;
  --csvk-line: #d6dee8;
  --csvk-bg: #e7eef3;
  --csvk-card: #ffffff;
  --csvk-teal: #134e4a;
  --csvk-teal-2: #0f766e;
  --csvk-focus: #0f172a;
  box-sizing: border-box;
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.25rem 1rem 2.5rem;
  color: var(--csvk-ink);
  font-family: 'Noto Sans JP', 'Segoe UI', sans-serif;
  line-height: 1.65;
}

.csvk-app *,
.csvk-app *::before,
.csvk-app *::after {
  box-sizing: border-box;
}

.csvk-app :focus-visible {
  outline: 3px solid var(--csvk-focus);
  outline-offset: 2px;
}

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

.csvk-help {
  margin: 0 0 0.75rem;
  text-align: right;
}

.csvk-help a {
  color: #1d4ed8;
  font-weight: 700;
}

.csvk-hero h1 {
  margin: 0;
  font-size: clamp(1.6rem, 2.4vw, 2.1rem);
  line-height: 1.3;
  color: var(--csvk-teal);
}

.csvk-lead {
  margin: 0.4rem 0 0;
  color: var(--csvk-muted);
}

.csvk-privacy {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin: 1rem 0 0;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  background: #ecfdf5;
  color: #14532d;
  font-weight: 700;
}

.csvk-privacy svg {
  flex: 0 0 auto;
  margin-top: 0.15rem;
}

.csvk-card {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--csvk-card);
  border: 1px solid var(--csvk-line);
  border-radius: 16px;
  box-shadow: 0 8px 24px rgb(15 23 42 / 0.05);
}

.csvk-kicker {
  margin: 0 0 0.35rem;
  color: var(--csvk-teal-2);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.csvk-drop {
  border: 2px dashed #7c98a3;
  border-radius: 14px;
  padding: 1.35rem 1rem 1.2rem;
  text-align: center;
  background:
    linear-gradient(rgb(255 255 255 / 0.72), rgb(255 255 255 / 0.72)),
    repeating-linear-gradient(90deg, transparent, transparent 27px, rgb(15 118 110 / 0.08) 28px),
    repeating-linear-gradient(0deg, transparent, transparent 21px, rgb(15 118 110 / 0.08) 22px),
    #f3faf8;
  cursor: pointer;
}

.csvk-drop__icon {
  display: block;
  margin: 0 auto 0.45rem;
  color: var(--csvk-teal);
}

.csvk-drop.is-over {
  border-color: var(--csvk-teal-2);
  background: #f0fdfa;
}

.csvk-drop strong {
  display: block;
  font-size: 1.125rem;
}

.csvk-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.csvk-btn {
  appearance: none;
  min-height: 44px;
  padding: 0.55rem 1rem;
  border: 2px solid transparent;
  border-radius: 10px;
  background: var(--csvk-teal);
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.csvk-btn:hover {
  background: #0f3f3c;
}

.csvk-btn--ghost {
  background: #fff;
  color: var(--csvk-teal);
  border-color: var(--csvk-teal);
}

.csvk-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.csvk-progress {
  margin-top: 1rem;
}

.csvk-progress progress {
  width: 100%;
  height: 0.8rem;
}

.csvk-error {
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  background: #fef2f2;
  color: #7f1d1d;
  border: 1px solid #fecaca;
}

.csvk-health h2 {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
}

.csvk-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.6rem;
  margin: 0.8rem 0 0;
  padding: 0;
  list-style: none;
}

.csvk-stat {
  padding: 0.7rem 0.75rem;
  border-radius: 12px;
  background: #f8fafc;
  border: 1px solid var(--csvk-line);
}

.csvk-stat b {
  display: block;
  font-size: 1.25rem;
}

.csvk-stat--error { background: #fef2f2; }
.csvk-stat--warning { background: #fffbeb; }
.csvk-stat--caution { background: #eff6ff; }
.csvk-stat--ok { background: #f0fdf4; }

.csvk-filemeta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.8rem;
  margin: 0.8rem 0 0;
  padding: 0;
  list-style: none;
  color: var(--csvk-muted);
  font-size: 0.95rem;
}

.csvk-check {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  margin-top: 0.8rem;
  font-weight: 700;
}

.csvk-issue {
  margin-top: 0.8rem;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--csvk-line);
  background: #fff;
}

.csvk-issue--error { border-left: 6px solid #b91c1c; }
.csvk-issue--warning { border-left: 6px solid #b45309; }
.csvk-issue--caution { border-left: 6px solid #1d4ed8; }

.csvk-issue h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.csvk-badge {
  display: inline-block;
  margin-right: 0.4rem;
  padding: 0.05rem 0.45rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 800;
  vertical-align: 0.1em;
}

.csvk-badge--error { background: #fee2e2; color: #7f1d1d; }
.csvk-badge--warning { background: #fef3c7; color: #92400e; }
.csvk-badge--caution { background: #dbeafe; color: #1e3a8a; }
.csvk-badge--ok { background: #dcfce7; color: #14532d; }

.csvk-issue p,
.csvk-note,
.csvk-lead,
.csvk-privacy span {
  overflow-wrap: anywhere;
}

.csvk-issue p {
  margin: 0.35rem 0;
}

.csvk-samples {
  margin: 0.4rem 0 0;
  padding-left: 1.1rem;
}

.csvk-pad {
  margin-top: 0.8rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--csvk-line);
  border-radius: 12px;
  background: #f8fafc;
}

.csvk-pad h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.csvk-pad p {
  margin: 0.25rem 0;
}

.csvk-pad-label {
  font-weight: 800;
}

.csvk-pad ul {
  margin: 0.25rem 0 0.5rem;
  padding-left: 1.2rem;
}

.csvk-pad-preview {
  font-weight: 800;
}

.csvk-pad-warn {
  margin-top: 0.6rem;
  padding: 0.7rem 0.8rem;
  border-radius: 10px;
  background: #fffbeb;
  color: #92400e;
  font-weight: 700;
}

.csvk-fix {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-top: 0.7rem;
}

.csvk-fix input,
.csvk-toolbar input,
.csvk-toolbar select,
.csvk-save select {
  min-height: 44px;
  padding: 0.4rem 0.6rem;
  border: 2px solid #94a3b8;
  border-radius: 10px;
  font: inherit;
  background: #fff;
  color: var(--csvk-ink);
}

.csvk-section,
.csvk-panel {
  margin-top: 1rem;
}

.csvk-panel {
  padding: 1rem 1.05rem 1.15rem;
  background: var(--csvk-card);
  border: 1px solid var(--csvk-line);
  border-radius: 16px;
  box-shadow: 0 1px 2px rgb(15 23 42 / 0.04);
}

.csvk-section h2 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
  color: var(--csvk-teal);
}

.csvk-safe {
  margin-top: 1rem;
  padding: 0.85rem;
  border-radius: 14px;
  background: #f0fdfa;
  border: 1px solid #99f6e4;
}

.csvk-btn--safe {
  background: var(--csvk-teal);
}

.csvk-viewbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.7rem;
}

.csvk-tabs {
  background: #f1f5f9;
  padding: 0.25rem;
  border-radius: 12px;
  gap: 0.25rem;
}

.csvk-tabs .csvk-btn {
  background: transparent;
  color: var(--csvk-teal);
  border-color: transparent;
}

.csvk-tabs .csvk-btn[aria-pressed='true'] {
  background: #fff;
  color: var(--csvk-teal);
  box-shadow: 0 1px 2px rgb(15 23 42 / 0.08);
}

.csvk-search {
  flex: 1 1 16rem;
  justify-content: flex-end;
}

.csvk-search input {
  flex: 1 1 10rem;
  min-width: 0;
}

.csvk-bars {
  display: grid;
  gap: 0.35rem;
  margin: 0.35rem 0 0.6rem;
}

.csvk-bar {
  display: grid;
  grid-template-columns: 3.2rem 1fr auto;
  gap: 0.45rem;
  align-items: center;
}

.csvk-bar__label,
.csvk-bar__count {
  font-size: 0.88rem;
  font-weight: 700;
}

.csvk-bar__meter {
  display: block;
  height: 0.55rem;
  border-radius: 999px;
  background: #e2e8f0;
  overflow: hidden;
}

.csvk-bar__fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: #0f766e;
}

.csvk-save {
  background: #f0fdf4;
  border-color: #bbf7d0;
}

.csvk-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.csvk-columns article {
  padding: 0.75rem;
  border: 1px solid var(--csvk-line);
  border-radius: 12px;
  background: #f8fafc;
}

.csvk-columns h3 {
  margin: 0;
  font-size: 1rem;
}

.csvk-columns p {
  margin: 0.3rem 0 0;
  color: var(--csvk-muted);
  font-size: 0.92rem;
}

.csvk-toolbar,
.csvk-save-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

.csvk-table-wrap {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--csvk-line);
  border-radius: 12px;
  background: #fff;
}

.csvk-table {
  width: max-content;
  min-width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.csvk-table th,
.csvk-table td {
  max-width: 18rem;
  padding: 0.5rem 0.65rem;
  border-bottom: 1px solid var(--csvk-line);
  border-right: 1px solid #eef2f6;
  text-align: left;
  white-space: nowrap;
  vertical-align: top;
}

.csvk-table tbody tr:nth-child(even) td,
.csvk-table tbody tr:nth-child(even) th {
  background: #f8fafc;
}

.csvk-table tbody tr:hover td,
.csvk-table tbody tr:hover th {
  background: #f0fdfa;
}

.csvk-table th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: #ecfeff;
  color: var(--csvk-teal);
}

.csvk-table tbody th {
  position: sticky;
  left: 0;
  z-index: 1;
  background: #f8fafc;
}

.csvk-table thead th:first-child {
  left: 0;
  z-index: 3;
}

.csvk-cell--problem {
  background: #fffbeb !important;
  box-shadow: inset 3px 0 0 #d97706;
}

.csvk-mark {
  font-weight: 800;
  font-size: 0.75rem;
}

.csvk-note,
.csvk-ok li {
  color: var(--csvk-muted);
}

.csvk-ok {
  margin: 0.4rem 0 0;
}

.csvk-banner {
  margin: 0.8rem 0 0;
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  background: #ecfdf5;
  color: #14532d;
}

.csvk-pager {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-top: 0.6rem;
}

.csvk-save p {
  margin: 0.45rem 0;
}

.csvk-diff-before {
  color: #7f1d1d;
  background: #fef2f2;
}

.csvk-diff-after {
  color: #14532d;
  background: #f0fdf4;
  font-weight: 700;
}

@media (prefers-reduced-motion: reduce) {
  .csvk-app *,
  .csvk-app *::before,
  .csvk-app *::after {
    transition: none !important;
    animation: none !important;
  }
}

@media (max-width: 720px) {
  .csvk-stats {
    grid-template-columns: 1fr 1fr;
  }

  .csvk-actions,
  .csvk-fix,
  .csvk-save-row,
  .csvk-toolbar:not(.csvk-tabs) {
    flex-direction: column;
    align-items: stretch;
  }

  .csvk-tabs {
    width: 100%;
  }

  .csvk-tabs .csvk-btn {
    width: auto;
    flex: 1 1 auto;
  }

  .csvk-btn,
  .csvk-fix input,
  .csvk-toolbar input,
  .csvk-toolbar select,
  .csvk-save select {
    width: 100%;
  }
}

.csv-ad-section {
  background: #f4f7f8;
  padding-block: clamp(1.25rem, 3vw, 2rem);
  padding-inline: clamp(1rem, 2vw, 1.5rem);
}

.csv-ad-section__inner {
  max-width: 72rem;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  text-align: center;
}

.csv-ad-section__inner [id^='msmaflink-'] {
  display: flex;
  justify-content: center;
  width: 100%;
}

.csv-ad-section__inner [id^='msmaflink-'] > * {
  margin-right: auto !important;
  margin-left: auto !important;
}

.csv-ad-section .easyLink-info-btn-rakuten {
  background-color: #c44524 !important;
}

.csv-ad-section .easyLink-info-btn-amazon {
  background-color: #b45309 !important;
}