/* ============================================
   single.css - 記事・会社詳細ページ
   サイドバー付き2カラムレイアウト
   サイトカラーに合わせた見出し・強調スタイル
============================================ */

/* ========================================
   2カラムレイアウト
======================================== */
.single-wrap {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  padding-top: 40px;
  padding-bottom: 80px;
  align-items: start;
}

.single-main {
  min-width: 0;
}

/* ========================================
   記事ヘッダー
======================================== */
.article-header {
  margin-bottom: 32px;
}

.article-header__meta {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
  font-size: 0.8rem;
  color: var(--color-text-lt);
}

.article-header__meta .cat-item a {
  background: var(--color-main);
  color: #fff;
  padding: 3px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
}

.article-header__title {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: 12px;
}

.article-header__author {
  font-size: 0.82rem;
  color: var(--color-text-lt);
}

.article-header__author-label {
  background: var(--color-warm);
  padding: 2px 8px;
  border-radius: 4px;
  margin-right: 6px;
  font-size: 0.75rem;
}

.article-eyecatch {
  margin-bottom: 32px;
  border-radius: var(--r-md);
  overflow: hidden;
}

.article-eyecatch img {
  width: 100%;
  height: auto;
}

/* ========================================
   記事本文スタイル（見出し・強調など）
======================================== */
.article-body {
  font-size: 0.96rem;
  line-height: 1.9;
  color: var(--color-text);
}

/* h2見出し（サイトカラーに合わせた強調） */
.article-body h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text);
  padding: 12px 16px 12px 20px;
  background: var(--color-warm);
  border-left: 4px solid var(--color-main);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  margin: 48px 0 24px;
  line-height: 1.5;
}

/* h3見出し */
.article-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-main);
  margin: 36px 0 18px;
  line-height: 1.5;
}

/* h4見出し */
.article-body h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-main);
  padding-left: 12px;
  border-left: 3px solid var(--color-point2);
  margin: 28px 0 14px;
  line-height: 1.5;
}

/* h5・h6 */
.article-body h5,
.article-body h6 {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 24px 0 12px;
}

/* 段落 */
.article-body p {
  margin-bottom: 20px;
}

/* 太字（修正：アンダーラインを引く） */
.article-body strong,
.article-body b {
  font-weight: 700;
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
}

/* イタリック */
.article-body em {
  font-style: italic;
  color: var(--color-text-mid);
}

/* リンク */
.article-body a {
  color: var(--color-main);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-body a:hover {
  opacity: 0.75;
}

/* リスト */
.article-body ul {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.article-body ul li {
  padding-left: 20px;
  position: relative;
  margin-bottom: 8px;
  font-size: 0.95rem;
  line-height: 1.75;
}

.article-body ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-main);
}

.article-body ol {
  padding-left: 0;
  margin: 0 0 20px;
  counter-reset: ol-counter;
}

.article-body ol li {
  counter-increment: ol-counter;
  padding-left: 32px;
  position: relative;
  margin-bottom: 10px;
  font-size: 0.95rem;
  line-height: 1.75;
}

.article-body ol li::before {
  content: counter(ol-counter);
  position: absolute;
  left: 0;
  top: 0;
  width: 22px;
  height: 22px;
  background: var(--color-main);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* テーブル */
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.9rem;
}

.article-body th {
  background: var(--color-main);
  color: #fff;
  padding: 10px 14px;
  text-align: left;
  font-weight: 700;
}

.article-body td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.article-body tr:nth-child(even) td {
  background: var(--color-warm);
}

/* 引用 */
.article-body blockquote {
  background: var(--color-warm);
  border-left: 4px solid var(--color-point2);
  padding: 16px 20px;
  margin: 24px 0;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-size: 0.92rem;
  color: var(--color-text-mid);
}

/* コード */
.article-body code {
  background: #f0f0f0;
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.85rem;
  font-family: monospace;
}

.article-body pre {
  background: #f0f0f0;
  padding: 16px;
  border-radius: var(--r-sm);
  overflow-x: auto;
  margin: 20px 0;
}

/* 画像 */
.article-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--r-sm);
  margin: 16px 0;
}

/* マーカー（蛍光ペン風） */
.article-body mark {
  background: linear-gradient(transparent 50%, rgba(183,139,62,0.3) 50%);
  padding: 0 2px;
}

/* ポイントボックス（記事内で使えるクラス） */
.article-body .point-box {
  background: var(--color-warm);
  border: 1px solid var(--color-border);
  border-radius: var(--r-md);
  padding: 20px 24px;
  margin: 24px 0;
}

.article-body .point-box__title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-main);
  margin-bottom: 10px;
}

/* 警告ボックス */
.article-body .warn-box {
  background: #fff8f0;
  border: 1px solid var(--color-point2);
  border-radius: var(--r-md);
  padding: 20px 24px;
  margin: 24px 0;
}

/* ========================================
   記事フッター
======================================== */
.article-footer {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.article-footer__tags {
  font-size: 0.82rem;
  color: var(--color-text-lt);
}

.article-footer__tags .tag-links a {
  background: var(--color-warm);
  border: 1px solid var(--color-border);
  padding: 3px 10px;
  border-radius: 4px;
  margin: 0 4px 4px 0;
  font-size: 0.78rem;
  color: var(--color-text-mid);
  display: inline-block;
}

/* ========================================
   前後の記事ナビ
======================================== */
.post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 48px;
}

.post-nav__prev,
.post-nav__next {
  background: var(--color-warm);
  border-radius: var(--r-md);
  padding: 16px 20px;
}

.post-nav__next {
  text-align: right;
}

.post-nav__prev a,
.post-nav__next a {
  color: var(--color-text);
  display: block;
}

.post-nav__label {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-lt);
  margin-bottom: 4px;
}

.post-nav__title {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.5;
}

/* ========================================
   会社詳細ページ
======================================== */
.co-single {
  background: var(--color-white);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.co-single__header {
  background: var(--color-main);
  padding: 28px 32px;
}

.co-single__name {
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

/* 修正：コピーを大きく・太く */
.co-single__copy {
  font-size: 1.1rem;
  font-weight: 700;
  color: rgba(255,255,255,0.92);
  margin-bottom: 12px;
}

.co-single__tel {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.15);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--r-sm);
  font-size: 0.9rem;
  font-weight: 700;
}

/* 修正：HP画像は枠なし・大きく */
.co-single__hp-img {
  padding: 0;
}

.co-single__hp-img img {
  width: 100%;
  border-radius: 0;
  border: none;
}

.co-single__ext-btns {
  padding: 16px 32px;
  background: var(--color-warm);
  display: flex;
  gap: 12px;
}

.co-single__section {
  padding: 28px 32px;
  border-bottom: 1px solid var(--color-border);
}

.co-single__section:last-child {
  border-bottom: none;
}

.co-single__section-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-main);
  margin-bottom: 20px;
}

.co-single__features {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.co-single__points {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.co-single__desc {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--color-text);
}

.co-single__info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.co-single__btns {
  display: flex;
  gap: 12px;
  padding: 24px 32px;
  background: var(--color-warm);
}

/* ========================================
   サイドバー
======================================== */
.sidebar {
  position: sticky;
  top: 80px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-cta {
  background: var(--color-main);
  border-radius: var(--r-md);
  padding: 20px;
  text-align: center;
}

.sidebar-cta__title {
  font-size: 0.92rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.sidebar-cta__text {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 14px;
  line-height: 1.6;
}

.sidebar-cta__btn {
  display: block;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 10px 16px;
  border-radius: var(--r-sm);
  text-align: center;
  transition: background 0.2s;
}

.sidebar-cta__btn:hover {
  background: #9a7232;
  opacity: 1;
}

.sidebar-section {
  background: var(--color-white);
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.sidebar-section__title {
  font-size: 0.88rem;
  font-weight: 700;
  padding: 12px 16px;
  background: var(--color-warm);
  border-bottom: 2px solid var(--color-main);
}

.sidebar-section__title a {
  color: var(--color-text);
}

.sidebar-posts {
  padding: 8px 0;
}

.sidebar-post {
  display: flex;
  gap: 10px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--color-border);
  align-items: flex-start;
}

.sidebar-post:last-child {
  border-bottom: none;
}

.sidebar-post__img {
  width: 64px;
  height: 48px;
  flex-shrink: 0;
  overflow: hidden;
  border-radius: var(--r-sm);
  display: block;
  background: var(--color-warm);
}

.sidebar-post__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sidebar-post__body {
  flex: 1;
  min-width: 0;
}

.sidebar-post__title {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: 4px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.sidebar-post__title:hover {
  color: var(--color-main);
}

.sidebar-post__date {
  font-size: 0.72rem;
  color: var(--color-text-lt);
}

.sidebar-post__sub {
  font-size: 0.75rem;
  color: var(--color-text-lt);
  margin-top: 2px;
}

.sidebar-section__more {
  display: block;
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-main);
  padding: 10px;
  background: var(--color-warm);
  border-top: 1px solid var(--color-border);
}

.sidebar-section__more:hover {
  background: var(--color-border);
  opacity: 1;
}

/* ========================================
   レスポンシブ
======================================== */
@media (max-width: 1024px) {
  .single-wrap {
    grid-template-columns: 1fr 280px;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .single-wrap {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .post-nav {
    grid-template-columns: 1fr;
  }

  .co-single__section {
    padding: 20px;
  }

  .co-single__header {
    padding: 20px;
  }

  .co-single__btns {
    flex-direction: column;
    padding: 16px 20px;
  }

  .co-single__info-grid {
    grid-template-columns: 1fr;
  }

  .co-single__ext-btns {
    padding: 12px 20px;
  }
}