/* ===== 英語利用者向けガイド ===== */
.article-body .kanken-english-guide {
  margin: 30px 0;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid #cbd5e1;
  border-left: 5px solid #15803d;
  border-radius: 14px;
  color: #1e293b;
  background: linear-gradient(135deg, #f8fafc, #f0fdf4);
  font-family: Arial, Helvetica, sans-serif;
}

.article-body .kanken-english-guide__eyebrow {
  margin: 0 0 6px;
  color: #15803d;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
}

.article-body .kanken-english-guide h2 {
  margin: 0 0 16px;
  color: #14532d;
  font-size: clamp(23px, 4vw, 31px);
  line-height: 1.3;
}

.article-body .kanken-english-guide h3 {
  margin: 24px 0 8px;
  color: #334155;
  font-size: 18px;
}

.article-body .kanken-english-guide p,
.article-body .kanken-english-guide li {
  font-size: 15px;
  line-height: 1.75;
}

.article-body .kanken-english-guide ol {
  margin: 10px 0 18px;
  padding-left: 1.5rem;
}

.article-body .kanken-english-guide__quiz {
  margin-top: 26px;
  padding: 18px 20px;
  border-radius: 11px;
  background: #fff;
  box-shadow: 0 6px 20px rgba(20, 83, 45, .08);
}

.article-body .kanken-english-guide__quiz h3 {
  margin-top: 0;
}

.article-body .kanken-english-guide__quiz a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 9px 15px;
  border-radius: 9px;
  color: #fff;
  background: #15803d;
  font-weight: 800;
  text-decoration: none;
  margin: 4px 6px 4px 0;
}

.article-body .kanken-english-guide__quiz a:hover {
  color: #fff;
  background: #14532d;
}

.article-body .kanken-answer-guide {
  margin-top: 22px;
  overflow: hidden;
  border: 1px solid #b7c9bc;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 6px 20px rgba(20, 83, 45, .06);
}

.article-body .kanken-answer-guide > summary {
  display: flex;
  min-height: 56px;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 18px;
  color: #fff;
  background: #166534;
  cursor: pointer;
  list-style: none;
}

.article-body .kanken-answer-guide > summary::-webkit-details-marker {
  display: none;
}

.article-body .kanken-answer-guide > summary::after {
  content: "+";
  flex: 0 0 auto;
  font-size: 26px;
  font-weight: 400;
  line-height: 1;
}

.article-body .kanken-answer-guide[open] > summary::after {
  content: "−";
}

.article-body .kanken-answer-guide > summary:hover {
  background: #14532d;
}

.article-body .kanken-answer-guide > summary:focus-visible {
  outline: 3px solid #fbbf24;
  outline-offset: -4px;
}

.article-body .kanken-answer-guide > summary strong {
  display: block;
  font-size: 16px;
}

.article-body .kanken-answer-guide > summary [lang="ja"] {
  display: block;
  margin-top: 2px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 12px;
  font-weight: 600;
  opacity: .9;
}

.article-body .kanken-answer-guide__content {
  padding: 20px;
}

.article-body .kanken-answer-guide__content h3 {
  margin-top: 0;
  color: #14532d;
}

.article-body .kanken-answer-guide__figure {
  margin: 18px 0;
}

.article-body .kanken-answer-guide__figure a {
  display: block;
  overflow-x: auto;
  border: 1px solid #dbe4dd;
  border-radius: 9px;
  background: #fff;
  -webkit-overflow-scrolling: touch;
}

.article-body .kanken-answer-guide__figure img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0;
}

.article-body .kanken-answer-guide__figure figcaption {
  margin-top: 7px;
  color: #64748b;
  font-size: 12px;
  line-height: 1.55;
}

.article-body .kanken-answer-guide__table-wrap {
  margin: 16px 0;
  overflow-x: auto;
  border: 1px solid #dbe4dd;
  border-radius: 9px;
  -webkit-overflow-scrolling: touch;
}

.article-body .kanken-answer-guide__table {
  width: 100%;
  min-width: 620px;
  margin: 0;
  border-collapse: collapse;
  table-layout: auto;
}

.article-body .kanken-answer-guide__table th,
.article-body .kanken-answer-guide__table td {
  padding: 11px 12px;
  border: 0;
  border-right: 1px solid #e5ebe7;
  border-bottom: 1px solid #e5ebe7;
  text-align: left;
  vertical-align: top;
  font-size: 13px;
  line-height: 1.55;
}

.article-body .kanken-answer-guide__table tr > :last-child {
  border-right: 0;
}

.article-body .kanken-answer-guide__table tbody tr:last-child > * {
  border-bottom: 0;
}

.article-body .kanken-answer-guide__table thead th {
  color: #334155;
  background: #eef5f0;
  font-weight: 800;
}

.article-body .kanken-answer-guide__table thead th:first-child,
.article-body .kanken-answer-guide__table tbody th {
  width: 68px;
  text-align: center;
}

.article-body .kanken-answer-guide__table td[lang="ja"] {
  width: 150px;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 800;
  white-space: nowrap;
}

.article-body .kanken-answer-guide__important {
  background: #fffbeb;
}

.article-body .kanken-answer-guide__note {
  margin: 12px 0 0;
  padding: 12px 14px;
  border-left: 4px solid #ca8a04;
  color: #475569;
  background: #fffbeb;
  font-size: 13px;
}

.article-body .kanken-answer-guide__additional {
  margin-top: 28px;
  padding-top: 2px;
  border-top: 1px solid #dbe4dd;
}

.article-body .kanken-answer-guide__additional > h3 {
  margin-top: 22px;
}

.article-body .kanken-answer-guide__grade {
  margin-top: 12px;
  overflow: hidden;
  border: 1px solid #cbdad0;
  border-radius: 9px;
  background: #fff;
}

.article-body .kanken-answer-guide__grade > summary {
  display: flex;
  min-height: 50px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 15px;
  color: #14532d;
  background: #eef5f0;
  cursor: pointer;
  list-style: none;
}

.article-body .kanken-answer-guide__grade > summary::-webkit-details-marker {
  display: none;
}

.article-body .kanken-answer-guide__grade > summary::after {
  content: "+";
  flex: 0 0 auto;
  font-size: 23px;
  font-weight: 400;
  line-height: 1;
}

.article-body .kanken-answer-guide__grade[open] > summary::after {
  content: "−";
}

.article-body .kanken-answer-guide__grade > summary:hover {
  background: #e2eee6;
}

.article-body .kanken-answer-guide__grade > summary:focus-visible {
  outline: 3px solid #fbbf24;
  outline-offset: -4px;
}

.article-body .kanken-answer-guide__grade > summary strong {
  font-size: 14px;
  line-height: 1.45;
}

.article-body .kanken-answer-guide__grade-content {
  padding: 16px;
}

.article-body .kanken-answer-guide__grade-content > :first-child {
  margin-top: 0;
}

.article-body .kanken-answer-guide__grade-content > :last-child {
  margin-bottom: 0;
}

@media (max-width: 600px) {
  .article-body .kanken-answer-guide > summary {
    padding: 12px 14px;
  }

  .article-body .kanken-answer-guide__content {
    padding: 16px 14px;
  }

  .article-body .kanken-answer-guide__grade > summary {
    padding: 11px 12px;
  }

  .article-body .kanken-answer-guide__grade-content {
    padding: 12px;
  }

  .article-body .kanken-answer-guide__figure img {
    width: 760px;
    max-width: none;
  }
}

/* ===== 漢検解答用紙：級別ダウンロード表 ===== */
.article-body .kanken-answer-table-wrap {
  margin: 28px 0;
  overflow: hidden;
  border: 1px solid #dbe4ee;
  border-radius: 14px;
  background: #fff;
}

.article-body .kanken-answer-table {
  display: table;
  width: 100%;
  margin: 0;
  border: 0;
  border-collapse: collapse;
  table-layout: fixed;
  white-space: normal;
}

.article-body .kanken-answer-table th,
.article-body .kanken-answer-table td {
  padding: 14px 16px;
  border: 0;
  border-right: 1px solid #e6edf4;
  border-bottom: 1px solid #e6edf4;
  text-align: center;
  vertical-align: middle;
}

.article-body .kanken-answer-table tr > :last-child {
  border-right: 0;
}

.article-body .kanken-answer-table tbody tr:last-child > * {
  border-bottom: 0;
}

.article-body .kanken-answer-table thead th {
  color: #334155;
  background: #f1f5f9;
  font-size: 13px;
  font-weight: 800;
}

.article-body .kanken-answer-table__grade {
  width: 15%;
  color: #14532d;
  background: #f0fdf4;
  font-size: 18px;
  font-weight: 800;
  white-space: normal;
}

.article-body .kanken-answer-table__level {
  display: block;
  margin-top: 3px;
  color: #3f684e;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.35;
}

.article-body .kanken-answer-table__level [lang="en"] {
  display: block;
  color: #64748b;
  font-size: 10px;
  font-weight: 600;
}

.article-body .kanken-answer-table__level-note {
  margin: 10px 4px 0;
  color: #526158;
  font-size: 12px;
  line-height: 1.65;
}

.article-body .kanken-answer-table__level-note [lang="en"] {
  display: block;
  color: #64748b;
}

.article-body .kanken-answer-table__practice {
  width: 42%;
}

.article-body .kanken-answer-table__answer {
  width: 43%;
}

.article-body .kanken-answer-table__quiz {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  width: min(100%, 210px);
  min-height: 48px;
  margin: 0 auto;
  padding: 9px 12px;
  border: 1px solid #0f766e;
  border-radius: 9px;
  color: #fff;
  background: #0f766e;
  box-shadow: 0 4px 10px rgba(15, 118, 110, .18);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.4;
  text-align: center;
  text-decoration: none;
}

.article-body .kanken-answer-table__quiz span,
.article-body .kanken-answer-table__download span,
.article-body .kanken-answer-table__pending span {
  display: block;
  margin-top: 2px;
  font-size: .82em;
  font-weight: 700;
}

.article-body .kanken-answer-table__quiz:hover {
  color: #fff;
  background: #115e59;
}

.article-body .kanken-answer-table__quiz:focus-visible,
.article-body .kanken-answer-table__download:focus-visible {
  outline: 3px solid #f59e0b;
  outline-offset: 3px;
}

.article-body .kanken-answer-table__download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 15px;
  border-radius: 9px;
  color: #fff;
  background: #15803d;
  box-shadow: 0 4px 10px rgba(21, 128, 61, .15);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.45;
  text-align: center;
  text-decoration: none;
}

.article-body .kanken-answer-table__download::before {
  margin-right: 7px;
  content: "PDF";
  font-size: 9px;
  letter-spacing: .04em;
}

.article-body .kanken-answer-table__download:hover {
  color: #fff;
  background: #14532d;
}

.kanken-answer-table__pending {
  color: #94a3b8;
  font-size: 12px;
  font-weight: 700;
}

/* JavaScript無効時も、旧6列表が記事幅からはみ出さないようにする。 */
.article-body .wp-block-table img {
  max-width: 100%;
}

/* ===== YouTube動画 ===== */
.article-body .kanken-video {
  width: 100%;
  margin: 24px 0 8px;
}

.kanken-video__frame {
  position: relative;
  overflow: hidden;
  width: 100%;
  padding-top: 56.25%;
  border-radius: 14px;
  background: #0f172a;
  box-shadow: 0 10px 28px rgba(15, 23, 42, .16);
}

.article-body .kanken-video__frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 0;
  margin: 0;
  border: 0;
}

@media (max-width: 600px) {
  .article-body .kanken-answer-table th,
  .article-body .kanken-answer-table td {
    padding: 10px 7px;
  }

  .article-body .kanken-answer-table thead th {
    font-size: 11px;
  }

  .article-body .kanken-answer-table__grade {
    width: 16%;
    font-size: 15px;
  }

  .article-body .kanken-answer-table__practice {
    width: 42%;
  }

  .article-body .kanken-answer-table__answer {
    width: 42%;
  }

  .article-body .kanken-answer-table__download {
    min-height: 40px;
    padding: 8px 7px;
    font-size: 11px;
  }

  .article-body .kanken-answer-table__download::before {
    display: none;
  }

  .article-body .kanken-answer-table__quiz {
    min-height: 42px;
    padding: 7px 5px;
    font-size: 10px;
  }

  .kanken-answer-table__pending {
    font-size: 10px;
  }
}