@import url('https://fonts.googleapis.com/css2?family=Zen+Maru+Gothic:wght@300;400;500&display=swap');

body {
  font-family: 'Zen Maru Gothic', sans-serif;
}

/* -----------------------------------
   アコーディオン基本設定
----------------------------------- */

.accordion-header,
.sub-accordion-header {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 12px 0;
  font-size: 0.95rem;
  cursor: pointer;
  position: relative;
  color: #000;
  font-weight: 500;
}

/* 三角アイコン（閉じている時） */
.accordion-header::before,
.sub-accordion-header::before {
  content: "▶";
  display: inline-block;
  margin-right: 8px;
  transition: transform 0.2s ease;
  font-size: 0.9rem;
}

/* 開いた時の三角アイコン */
.accordion-item.active > .accordion-header::before,
.sub-accordion-item.active > .sub-accordion-header::before {
  transform: rotate(90deg);
}

/* -----------------------------------
   コンテンツの開閉
----------------------------------- */

.accordion-content,
.sub-accordion-content {
  display: none;
  padding: 0 0 12px 0;
  overflow: visible; /* ← SNSアイコンが切れない */
}

.accordion-item.active > .accordion-content {
  display: block;
}

.sub-accordion-item.active > .sub-accordion-content {
  display: block;
}

/* -----------------------------------
   階層の左ライン
----------------------------------- */

.sub-accordion-content section {
  margin-left: 4px;
  padding-left: 8px;
  border-left: 3px solid #ccc;
}

.sub-accordion-item {
  border-left: 3px solid #ccc;
  margin-left: 4px;
  padding-left: 8px;
  border-bottom: 1px solid #ccc;
  padding-bottom: 8px;
  margin-bottom: 8px;
}

.sub-accordion-item .sub-accordion-item {
  border-left: 3px solid #ccc;
  margin-left: 4px;
  padding-left: 8px;
}

/* -----------------------------------
   ページ全体の基本レイアウト
----------------------------------- */

body {
  margin: 0;
  font-family: sans-serif;
  line-height: 1.7;
  padding-bottom: 40px;
}

.container {
  width: 92%;
  max-width: 900px;
  margin: 0 auto;
  padding-top: 20px;
}

.site-title {
  font-size: 1.8rem;
  font-weight: bold;
  margin-bottom: 12px;
}

.lead {
  margin-bottom: 24px;
}

/* アプリリンク */
.app-links {
  display: flex;
  align-items: center;
  margin: 16px 0;
}

.app-icon {
  width: 64px;
  height: 64px;
  margin-right: 12px;
}

/* スクショのグリッド */
.screenshot-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.screenshot-grid img {
  width: 100%;
  margin-bottom: 12px;
  border-radius: 6px;
}

/* 動画中央寄せ */
.video-wrap {
  text-align: center;
}

/* Instagram */
.insta-icon {
  color: #E1306C;
  text-decoration: none;
  display: inline-block;
  margin-top: 12px;
}

/* 表中央寄せ */
.table-wrap {
  display: flex;
  justify-content: center;
  margin: 24px 0;
}

/* quantum-table */
.quantum-table {
  width: 100%;
  max-width: 600px;
  border-collapse: collapse;
  font-size: 1rem;
}

.quantum-table th,
.quantum-table td {
  border: 1px solid #ccc;
  padding: 10px 14px;
}

.quantum-table th {
  background: #f5f5f5;
  font-weight: 500;
}

/* -----------------------------------
   ヘッダー画像
----------------------------------- */

.header-image {
  width: 100%;
  height: 40vh;
  object-fit: cover;
  object-position: center;
  display: block;
}

/* -----------------------------------
   フッター
----------------------------------- */

.site-footer {
  text-align: center;
  padding: 24px 0 32px;
  color: #777;
  font-size: 0.85rem;
  line-height: 1.2;
}

/* SNSアイコンの横並び（完全揃え） */
.sns-icons {
  margin-left: 1em; /* ← テキストと左位置を揃える */
  margin-top: 12px;
}

.sns-icons a {
  display: inline-block;
  margin-right: 12px; /* ← 均等な間隔 */
}

.sns-icons a:last-child {
  margin-right: 0;
}

.sns-icon {
  width: 19px;   /* ← 表示サイズを統一 */
  height: 19px;
  vertical-align: middle; /* ← 高さズレ防止 */
  display: inline-block;
}

/* -----------------------------------
   外部HTMLの見出しに番号を付けない
----------------------------------- */

.no-number::before {
  content: "" !important;
  counter-increment: none !important;
}

/* -----------------------------------
   外部HTMLの段落を下げる
----------------------------------- */

.accordion-content p,
.sub-accordion-content p {
  margin-left: 1em;
  margin-bottom: 1em;
}

/* -----------------------------------
   外部HTMLの h3
----------------------------------- */

.sub-accordion-content h3 {
  font-size: 1rem;
  margin: 12px 0 6px;
  font-weight: 600;
}

/* -----------------------------------
   通常 table の自然な罫線
----------------------------------- */

.sub-accordion-content table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
}

.sub-accordion-content th,
.sub-accordion-content td {
  border: 1px solid #ccc;
  padding: 8px 10px;
  text-align: left;
}

.sub-accordion-content th {
  background: #f7f7f7;
  font-weight: 500;
}

/* -----------------------------------
   目次（アンカーリンク）を非表示
----------------------------------- */
.toc {
  display: none;
}