/*
 * 「EPUBのコツ〜電子書籍づくりのヒント集」一覧ページ・記事ページ 共通スタイル
 * common.css（ヘッダー・フッター・パンくず・CTAの帯）の上に読み込む。
 */

.page.k-page {
  max-width: 760px;
}

/* ---- 一覧ページ ---- */
.k-hero {
  margin-bottom: 20px;
}

.k-hero h1 {
  font-size: 26px;
  margin: 0 0 8px;
}

.k-hero p {
  margin: 0;
  font-size: 14px;
  color: var(--color-text-sub);
}

.k-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 28px;
}

.k-jump a {
  font-size: 13px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  color: var(--color-text-sub);
  text-decoration: none;
  background: var(--color-surface);
}

.k-jump a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}

.k-group {
  margin-bottom: 36px;
}

.k-group h2 {
  font-family: "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 19px;
  margin: 0 0 4px;
}

.k-group .k-group-lead {
  font-size: 13px;
  color: var(--color-text-sub);
  margin: 0 0 12px;
}

.k-list {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.k-item {
  display: block;
  padding: 14px 18px;
  text-decoration: none;
  color: var(--color-text);
  border-top: 1px solid var(--color-border);
}

.k-item:first-child {
  border-top: none;
}

.k-item:hover {
  background: rgba(47, 107, 87, 0.05);
}

.k-item h3 {
  font-size: 15px;
  margin: 0 0 2px;
  color: var(--color-primary-dark);
}

.k-item p {
  margin: 0;
  font-size: 13px;
  color: var(--color-text-sub);
}

.k-item .k-tag {
  display: inline-block;
  margin-left: 8px;
  padding: 0 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-primary-dark);
  background: rgba(47, 107, 87, 0.1);
  vertical-align: 1px;
}

.k-note {
  font-size: 12px;
  color: var(--color-text-sub);
}

/* ---- 記事ページ ---- */
.k-article-head h1 {
  font-size: 26px;
  line-height: 1.4;
  margin: 0 0 10px;
}

.k-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-size: 12px;
  color: var(--color-text-sub);
  margin: 0 0 18px;
}

.k-meta a {
  color: var(--color-text-sub);
}

.k-lead {
  font-size: 15px;
  margin: 0 0 20px;
}

.k-toc {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin: 0 0 28px;
  font-size: 13px;
}

.k-toc .k-toc-title {
  font-weight: 700;
  margin: 0 0 6px;
}

.k-toc ol {
  margin: 0;
  padding-left: 20px;
}

.k-toc a {
  color: var(--color-text);
}

/* 本文：読み物なので、無料ツールの解説より大きく・濃くする */
.k-body h2 {
  font-family: "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 20px;
  margin: 40px 0 12px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--color-border);
}

.k-body h3 {
  font-size: 16px;
  margin: 26px 0 8px;
}

.k-body p,
.k-body li {
  font-size: 15px;
  line-height: 1.9;
}

.k-body p {
  margin: 0 0 14px;
}

.k-body ul,
.k-body ol {
  margin: 0 0 14px;
  padding-left: 22px;
}

.k-body .k-answer {
  background: var(--color-surface);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 14px 18px;
  margin: 0 0 20px;
}

.k-body .k-answer p:last-child {
  margin-bottom: 0;
}

.k-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin: 0 0 18px;
  background: var(--color-surface);
}

.k-body th,
.k-body td {
  border: 1px solid var(--color-border);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}

.k-body th {
  background: var(--color-bg);
  font-weight: 700;
}

.k-table-wrap {
  overflow-x: auto;
}

.k-body .k-warn {
  background: var(--color-warn-bg);
  border: 1px solid var(--color-warn-border);
  color: var(--color-warn-text);
  border-radius: 8px;
  padding: 12px 14px;
  margin: 0 0 18px;
  font-size: 14px;
}

.k-body .k-warn p {
  font-size: 14px;
  margin: 0;
}

/* 記事の途中に入れる、自社サービスへの案内（強い記事だけ） */
.k-inline-cta {
  border: 1px solid var(--color-primary);
  border-radius: var(--radius);
  background: rgba(47, 107, 87, 0.06);
  padding: 16px 18px;
  margin: 0 0 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.k-inline-cta p {
  margin: 0;
  font-size: 14px;
}

.k-inline-cta strong {
  display: block;
  font-size: 15px;
}

.k-body .faq-heading {
  border-top: 1px solid var(--color-border);
  border-bottom: none;
  padding-top: 28px;
  margin-top: 44px;
}

/* 出典・確認日 */
.k-sources {
  margin: 40px 0 28px;
  padding: 14px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  font-size: 12px;
  color: var(--color-text-sub);
}

.k-sources h2 {
  font-size: 13px;
  margin: 0 0 6px;
  color: var(--color-text);
}

.k-sources ul {
  margin: 0;
  padding-left: 18px;
}

.k-sources li,
.k-sources p {
  font-size: 12px;
  line-height: 1.7;
  color: var(--color-text-sub);
}

.k-sources p {
  margin: 0 0 6px;
}

/* 関連記事 */
.k-related h2 {
  font-size: 15px;
  margin: 0 0 10px;
}

.k-related .k-list {
  margin-bottom: 24px;
}

@media (max-width: 480px) {
  .k-article-head h1,
  .k-hero h1 {
    font-size: 22px;
  }

  .k-inline-cta {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }
}

.k-body pre {
  background: #1c1c1a;
  color: #f4f2ec;
  border-radius: 8px;
  padding: 12px 14px;
  overflow-x: auto;
  margin: 0 0 16px;
  font-size: 13px;
  line-height: 1.6;
}

.k-body code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.9em;
}

.k-body :not(pre) > code {
  background: rgba(0, 0, 0, 0.06);
  padding: 1px 5px;
  border-radius: 4px;
}

/* ---- 記事ページ（読み物の見た目） ---- */
.k-article-page .k-article-head {
  background: #eef3f0;
  box-shadow: 0 0 0 100vmax #eef3f0;
  clip-path: inset(0 -100vmax);
  padding: 28px 0 22px;
  margin-bottom: 28px;
}

.k-article-page .k-article-head h1 {
  font-size: 30px;
  line-height: 1.45;
  font-weight: 800;
  margin: 0 0 10px;
}

.k-subtitle {
  font-size: 15px;
  color: var(--color-text-sub);
  margin: 0 0 14px;
}

.k-article-page .k-meta {
  margin: 0;
}

.k-narrow {
  max-width: 680px;
  margin: 0 auto;
}

/* この記事のポイント（3行まとめ） */
.k-summary {
  margin: 0 0 28px;
}

.k-summary-label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--color-text-sub);
  margin: 0 0 12px;
}

.k-summary-label::before,
.k-summary-label::after {
  content: "";
  flex: 1;
  border-top: 1px solid var(--color-border);
}

.k-summary ul {
  list-style: none;
  margin: 0;
  padding: 16px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  border-radius: var(--radius);
}

.k-summary li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 8px;
}

.k-summary li:last-child {
  margin-bottom: 0;
}

.k-summary li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.k-article-page .k-lead,
.k-article-page .k-lead p {
  font-size: 16px;
}

.k-article-page .k-lead p {
  line-height: 2;
  margin: 0 0 16px;
}

/* 本文：16px・ゆったりした行間 */
.k-article-page .k-body p,
.k-article-page .k-body li {
  font-size: 16px;
  line-height: 2;
}

.k-article-page .k-body h2 {
  font-family: inherit;
  font-size: 22px;
  font-weight: 800;
  line-height: 1.5;
  padding: 2px 0 2px 14px;
  border-bottom: none;
  border-left: 6px solid var(--color-primary);
  margin: 52px 0 18px;
}

.k-article-page .k-body h3 {
  font-size: 18px;
  line-height: 1.6;
  margin: 32px 0 10px;
  padding-left: 16px;
  position: relative;
}

.k-article-page .k-body h3::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.65em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
}

.k-article-page .k-body .faq-heading {
  position: relative;
  border-top: none;
  padding-top: 2px;
  margin-top: 72px;
}

/* 罫線は見出しの枠の外に置く（左の縦線と接しないように） */
.k-article-page .k-body .faq-heading::before {
  content: "";
  position: absolute;
  top: -36px;
  left: 0;
  right: 0;
  border-top: 1px solid var(--color-border);
}

.k-article-page .k-toc {
  margin-bottom: 36px;
}

@media (max-width: 480px) {
  .k-article-page .k-article-head h1 {
    font-size: 24px;
  }

  .k-article-page .k-body h2 {
    font-size: 20px;
  }
}