/* ==============================
   コラム詳細ページ single-column
============================== */

@import url("https://fonts.googleapis.com/css2?family=Zen+Kaku+Gothic+New:wght@400;500;700&display=swap");

.column-single,
.column-single * {
  font-family: "Zen Kaku Gothic New", sans-serif;
}

.column-single {
  padding-top: 180px;
  background: #fffcf4;
  color: #3a2205;
}

/* H1はHTML上に残して視覚的に非表示 */
.seo-hidden-h1 {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* タイトルエリア */
.column-single__head {
  position: relative;
  background: url(../images/lower/lower-bg.png) no-repeat center/cover;
  padding: 53px 0 100px 0;
  text-align: center;
  overflow: hidden;
}

.column-single__inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
}

/* タイトルや日付を装飾より前面に */
.column-single__head .column-single__inner {
  position: relative;
  z-index: 2;
}

/* 下部の木ライン装飾 */
.column-single__head::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  z-index: 1;
  width: 100%;
  height: 70px;
  background: url(../images/top/tree-line.png) repeat-x center top / auto 70px;
  pointer-events: none;
}

/* 見た目用タイトル */
.column-single__title {
  margin: 0;
  color: #3a2205;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.5;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-align: center;
}

/* 日付 */
.column-single__meta {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.6;
  color: #3a2205;
  text-align: center;
}

.column-single__body {
  padding: 80px 0;
}

/* 本文全体 */
.column-single__content {
  color: #3a2205;
  font-size: 16px;
  line-height: 2;
  letter-spacing: 0.03em;
}

/* 本文・リストの横幅は900px */
.column-single__content p,
.column-single__content ul,
.column-single__content ol,
.column-single__content blockquote,
.column-single__content table,
.column-single__content .wp-block-table {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

/* 段落 */
.column-single__content p {
  margin-top: 0;
  margin-bottom: 2em;
}

/* H2：中央寄せ＋下線 */
.column-single__content h2 {
  position: relative;
  max-width: 1000px;
  margin: 72px auto 48px;
  padding-bottom: 18px;
  color: #3a2205;
  font-size: 32px;
  line-height: 1.5;
  font-weight: 500;
  text-align: center;
  letter-spacing: 0.04em;
}

.column-single__content h2::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 52px;
  height: 3px;
  background: #6e9617;
  transform: translateX(-50%);
  border-radius: 999px;
}

/* H3：緑帯 */
.column-single__content h3 {
  max-width: 900px;
  margin: 56px auto 32px;
  padding: 14px 24px;
  background: #6e9617;
  border-radius: 8px;
  color: #fffcf4;
  font-size: 24px;
  line-height: 1.6;
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* H4：黄色ライン */
.column-single__content h4 {
  max-width: 900px;
  margin: 40px auto 24px;
  padding-left: 14px;
  border-left: 4px solid #ffc600;
  color: #3a2205;
  font-size: 20px;
  line-height: 1.6;
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* 画像 */
.column-single__content figure,
.column-single__content .wp-block-image {
  max-width: 600px;
  margin: 48px auto;
}

.column-single__content img,
.column-single__content .wp-block-image img {
  display: block;
  width: 100%;
  max-width: 600px;
  aspect-ratio: 600 / 400;
  height: auto;
  object-fit: cover;
  border-radius: 16px;
}

/* 画像キャプション */
.column-single__content figcaption {
  margin-top: 10px;
  color: #3a2205;
  font-size: 13px;
  line-height: 1.7;
  text-align: center;
}

/* リスト */
.column-single__content ul,
.column-single__content ol {
  margin-top: 32px;
  margin-bottom: 40px;
  padding-left: 0;
  list-style: none;
}

.column-single__content li {
  position: relative;
  margin-bottom: 12px;
  padding-left: 24px;
  color: #3a2205;
  font-size: 16px;
  line-height: 1.8;
}

.column-single__content ul li::before {
  content: "";
  position: absolute;
  top: 0.75em;
  left: 0;
  width: 8px;
  height: 8px;
  background: #6e9617;
  border-radius: 50%;
}

.column-single__content ol {
  counter-reset: column-counter;
}

.column-single__content ol li {
  counter-increment: column-counter;
}

.column-single__content ol li::before {
  content: counter(column-counter) ".";
  position: absolute;
  top: 0;
  left: 0;
  color: #6e9617;
  font-weight: 700;
}

/* 引用 */
.column-single__content blockquote {
  margin-top: 40px;
  margin-bottom: 40px;
  padding: 24px 28px;
  background: rgba(110, 150, 23, 0.08);
  border-left: 4px solid #6e9617;
  border-radius: 8px;
}

/* テーブル */
.column-single__content table {
  width: 100%;
  margin-top: 40px;
  margin-bottom: 40px;
  border-collapse: collapse;
  background: #fffcf4;
}

.column-single__content th,
.column-single__content td {
  padding: 16px 18px;
  border: 1px solid rgba(58, 34, 5, 0.2);
  color: #3a2205;
  line-height: 1.8;
  vertical-align: top;
}

.column-single__content th {
  background: rgba(110, 150, 23, 0.12);
  font-weight: 700;
}

/* ボタンブロック */
.column-single__content .wp-block-button {
  max-width: 900px;
  margin: 48px auto;
}

.column-single__content .wp-block-button__link {
  padding: 14px 32px;
  background: #6e9617;
  border-radius: 999px;
  color: #fffcf4;
  font-weight: 700;
  text-decoration: none;
}

/* 余白調整 */
.column-single__content > *:first-child {
  margin-top: 0;
}

.column-single__content > *:last-child {
  margin-bottom: 0;
}

/* ==============================
   SP
============================== */

@media screen and (max-width: 767px) {
  .column-single__head {
    padding: 53px 0 80px 0;
  }
	
  .column-single__head::after {
    height: 65px;
    background: url(../images/top/tree-line.png) repeat-x center top / auto 65px;
  }

  .column-single__title {
    margin-bottom: 32px;
    font-size: 28px;
  }
	
  .column-single__body {
    padding: 56px 0;
  }

  .column-single__inner {
    padding: 0 18px;
  }

  .column-single__meta {
    margin-bottom: 36px;
  }

  .column-single__content {
    font-size: 15px;
    line-height: 1.9;
  }

  .column-single__content h2 {
    margin: 56px auto 36px;
    padding-bottom: 14px;
    font-size: 26px;
  }

  .column-single__content h3 {
    margin: 44px auto 28px;
    padding: 12px 18px;
    font-size: 21px;
    border-radius: 7px;
  }

  .column-single__content h4 {
    margin: 32px auto 20px;
    font-size: 18px;
  }

  .column-single__content figure,
  .column-single__content .wp-block-image {
    margin: 36px auto;
  }

  .column-single__content li {
    font-size: 15px;
  }

  .column-single__content th,
  .column-single__content td {
    display: block;
    width: 100%;
    padding: 14px 16px;
  }
}