/* Google Fonts - Interを読み込み */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap");

/* --- PC/タブレット向けデフォルトスタイル (PCファースト) --- */

/* --- Style.cssの影響削除用 --- */
/* Style.cssの強制中央配置削除 */
* {
  margin: 0;
}

/* FlexBoxを効かせるために設定 */
header,
footer,
.foot-navi,
.wrap {
  margin: 0 auto !important;
}

.foot-navi {
  justify-content: space-evenly;
}

/* --- CBDX用設定 --- */
/* 基本スタイル */
body {
  font-family: "Inter", sans-serif;
  margin: 0;
  padding: 0;
  background-color: #ffffff;
  color: #374151;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem; /* PC向け */
  padding-right: 1.5rem; /* PC向け */
}

/* メインコンテンツのパディング */
main.container {
  padding-top: 3rem; /* PC向け */
  padding-bottom: 3rem; /* PC向け */
}

section {
  margin-bottom: 4rem;
}

/* 各セクションの段落テキスト */
#products p,
#main-product-series p,
#contact p {
  font-size: 1.125rem;
  color: #4b5563;
  margin-bottom: 2.5rem; /* mb-10 */
  text-align: left;
}

#product-top img {
  width: 80%;
}

#product-top div {
  text-align: center;
}

/* 製品概要セクション */
.product-categories {
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* PCでは3カラム */
  gap: 2rem; /* gap-8 */
  margin-bottom: 3rem; /* mb-12 */
}

.product-card {
  background-color: #ffffff;
  padding: 1.5rem; /* p-6 */
  border-radius: 0.5rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  transition: box-shadow 0.3s ease;
  border: 1px solid #e5e7eb;
}

.product-card:hover {
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.product-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 0.75rem;
}

.product-card p {
  color: #4b5563;
  margin-bottom: 0;
  font-size: 1rem;
}

/* 主要製品シリーズの紹介 */
.product-detail-card {
  background-color: #ffffff;
  padding: 2rem; /* p-8 */
  border-radius: 0.5rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  margin-bottom: 2rem; /* mb-8 */
  border: 1px solid #e5e7eb;
}

.product-detail-card h3 {
  font-size: 1.875rem;
  font-weight: 700;
  color: #372f88;
  margin-bottom: 1rem; /* mb-4 */
}

.product-detail-card > p {
  color: #4b5563;
  margin-bottom: 1.5rem; /* mb-6 */
  font-size: 1rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* PCでは2カラム */
  gap: 1.5rem; /* gap-6 */
  margin-bottom: 1.5rem;
}

.feature-grid h4 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 0.5rem; /* mb-2 */
}

.feature-grid ul {
  padding-left: 1.25rem;
  padding-bottom: 1.25rem;
  color: #4b5563;
}

.feature-grid ul li {
  margin-bottom: 0.25rem;
  font-size: 1rem;
  position: relative;
  list-style-type: none;
}

.feature-grid li::before {
  content: "";
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #2ec4b6;
  position: absolute;
  left: -15px;
  top: calc(0.75em - 3px);
}

.feature-grid div span {
  font-size: 0.6rem;
}

/* 詳細ボタンのスタイル */
.detail-button {
  display: inline-block;
  background-color: #372f88;
  color: #ffffff;
  padding: 0.75rem 1.5rem; /* py-3 px-6 */
  border-radius: 0.375rem;
  text-decoration: none;
  font-weight: 600;
  transition: background-color 0.3s ease, transform 0.2s ease;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.06);
  font-size: 1rem;
  margin-top: 0.75rem;
}

.detail-button:hover {
  background-color: #534ab0;
}

.detail-button:link {
  color: #ffffff;
  text-decoration: none;
}

.detail-button:visited {
  color: #ffffff;
  text-decoration: none;
}

/* ボードリストテーブル */
#board-list-table .overflow-x-auto {
  overflow-x: auto; /* 小さい画面で横スクロールを可能にする */
  background-color: #ffffff;
  border-radius: 0.5rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  padding: 1rem; /* p-4 */
}

/* 新しいテーブルスタイル */
.table_02 {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
  text-align: left;
  margin-top: 0.625rem; /* mt10 */
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  overflow: hidden; /* 角丸を適用するために必要 */
}

.table_02 th,
.table_02 td {
  padding: 1rem 1.5rem; /* px-6 py-4 */
  font-size: 0.875rem;
  white-space: nowrap; /* セル内のテキストが改行されないようにする */
  border: 1px solid #e5e7eb;
}

.table_02 th {
  font-weight: 600;
  color: #374151;
  background-color: #f3f4f6;
  text-align: center;
}

.table_02 td {
  color: #4b5563;
  text-align: center;
}

.table_02 tr.bk_01 {
  background-color: #f9fafb;
}

.table_02 tr:first-child th {
  border-top: none;
}
.table_02 tr:last-child td {
  border-bottom: none;
}
.table_02 th:first-child,
.table_02 td:first-child {
  border-left: none;
}
.table_02 th:last-child,
.table_02 td:last-child {
  border-right: none;
}

.table_02 td[rowspan] {
  text-align: left;
  font-weight: 500;
  color: #1f2937;
}

/* お問い合わせセクション */
#contact {
  text-align: center;
}

#contact .section-title {
  margin-left: auto;
  margin-right: auto;
  width: fit-content;
}

#contact .btn_wrap {
  width: 310px;
  height: auto;
  position: relative;
  margin: auto;
  padding-top: 4rem;
}

#contact .btn_balloon {
  width: 280px;
  height: 30px;
  padding-left: 0.1em;
  border-radius: 20px;
  border: solid 2px #372f88;
  background-color: #ffffff;
  font-size: 90%;
  font-family: "Noto Sans Japanese";
  font-weight: 700;
  line-height: 1;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  bottom: 55px;
  left: 50%;
  transform: translate(-50%, 0%);
  pointer-events: none;
  transition: 0.2s;
  color: #372f88;
  z-index: 2;
}

#contact .btn_balloon::before,
#contact .btn_balloon::after {
  content: "";
  width: 0;
  height: 0;
  border-style: solid;
  position: absolute;
  left: 50%;
  transform: translate(-50%, 100%);
}

#contact .btn_balloon::before {
  bottom: 1px;
  border-width: 8px 5px 0 5px;
  border-color: #ffffff transparent transparent transparent;
  z-index: 2;
}

#contact .btn_balloon::after {
  bottom: 0;
  border-width: 11px 8px 0 8px;
  border-color: #372f88 transparent transparent transparent;
  z-index: 1;
}

#contact .button_contact {
  width: 100%;
  padding: 25px 30px;
  border-radius: 8px;
  font-size: 100%;
  font-weight: 500;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  display: flex;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;
  background: #372f88;
  -webkit-box-shadow: 0 5px 0 #372f88;
  box-shadow: 0 5px 0 #837bda;
  transition: 0.2s;
  font-family: "Noto Sans JP", "メイリオ", "Meiryo", "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN", sans-serif;
}

#contact .button_contact:after {
  content: "";
  position: absolute;
  top: 50%;
  bottom: 0;
  right: 2rem;
  font-size: 90%;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: right 0.3s;
}

#contact .button_contact:hover {
  background: #372f88;
  color: #ffffff;
  -webkit-box-shadow: 0 2px 0 #372f88;
  box-shadow: 0 2px 0 #372f88;
  transform: translateY(3px);
}

#contact .button_contact:link {
  color: #ffffff;
}

#contact .button_contact:visited {
  color: #ffffff;
}

/* フィルターボタンのコンテナスタイル */
.filter-group {
  margin-bottom: 1.5rem; /* グループ間のスペース */
  text-align: left;
  margin-left: 0 !important;
  margin-right: 0 !important;
  width: 100% !important;
}

.filter-group-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 0.75rem;
  text-align: left;
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: flex-start !important;
  margin-left: 0 !important;
  margin-right: 0 !important;
  width: 100% !important;
  max-width: 100%;
}

.filter-btn {
  background-color: #e5e7eb;
  color: #374151;
  padding: 0.5rem 1rem; /* py-2 px-4 */
  border-radius: 0.375rem;
  border: none;
  cursor: pointer;
  font-weight: 500;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.1s ease;
  white-space: nowrap; /* ボタン内のテキストが改行されないように */
}

.filter-btn:hover {
  background-color: #d1d5db;
  transform: translateY(-1px);
}

.filter-btn.active {
  background-color: #372f88;
  color: #ffffff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* カードの表示/非表示 */
.hidden {
  display: none;
}

/* 製品タグ表示 */
.product-tags {
  margin-top: 0.5rem;
  margin-bottom: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-item {
  background-color: #e0e7ff;
  color: #372f88;
  padding: 0.25rem 0.625rem; /* py-1 px-2.5 */
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
}

/* モデル画像表示 */
.model-images {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.model-image {
  width: 100px; /* PCでの画像の幅 */
  height: 100px; /* PCでの画像の高さ */
  border-radius: 0.375rem;
  object-fit: cover; /* 画像がコンテナに収まるように */
  border: 1px solid #d1d5db;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

/* ------------------------------------------ */
/* ---          CBDX詳細ページ             --- */
/* ------------------------------------------ */

/* 製品概要セクション */
.product-overview-content {
  display: flex;
  flex-direction: row;
  gap: 4rem;
}

.product-overview-text {
  flex: 1;
}

.product-overview-text p {
  font-size: 1rem;
  color: #4b5563;
  margin-bottom: 1.5rem;
}

.product-overview-text ul {
  list-style: disc;
  padding-left: 1.25rem;
  color: #4b5563;
  margin: 0;
  padding: 0;
}

.product-overview-text ul li {
  margin-bottom: 0.5rem;
  margin-left: 1rem;
  position: relative;
}

.product-overview-text li::before {
  content: "";
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #2ec4b6;
  position: absolute;
  left: -15px;
  top: calc(0.75em - 3px);
}

.image-gallery-container {
  flex: 1;
}

.image-gallery-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 1rem;
}

.itemization ul {
  list-style: disc;
  padding-left: 1.25rem;
  color: #4b5563;
  margin: 0;
  padding: 0;
}

.itemization ul li {
  margin-bottom: 0.5rem;
  margin-left: 1rem;
  position: relative;
}

.itemization li::before {
  content: "";
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #2ec4b6;
  position: absolute;
  left: -15px;
  top: calc(0.75em - 3px);
}

/* PC表示: 4列2段 */
.image-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.image-gallery-item {
  position: relative; /* ツールチップの基準にする */
  cursor: pointer;
}

.image-gallery img {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.image-gallery img:hover {
  transform: scale(1.05);
}

/* ツールチップのスタイル */
.image-gallery-item::after {
  content: attr(data-tooltip); /* data-tooltip属性の値を取得 */
  position: absolute;
  bottom: -2.5rem;
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(0, 0, 0, 0.75);
  color: #ffffff;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none; /* ホバーイベントを邪魔しないように */
  transition: opacity 0.3s ease;
  font-size: 0.875rem;
  z-index: 10;
}

.image-gallery-item:hover::after {
  opacity: 1;
}

.image-gallery-notes {
  list-style-type: none;
  padding-left: 0;
  margin-top: 1rem;
  color: #4b5563;
  font-size: 0.7rem;
}

.image-gallery-notes li {
  position: relative;
  margin-bottom: 0.25rem;
  line-height: 1.3;
  padding-left: 1rem;
}

.image-gallery-notes li::before {
  content: "※";
  position: absolute;
  left: 0;
}

/* タグのスタイル */
.tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
  justify-content: flex-start;
}

.tag {
  /* background-color: #e5e7eb;
  color: #4b5563; */
  background-color: #e0e7ff;
  color: #372f88;
  padding: 0.25rem 0.75rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
}

/* 特徴セクションのスタイル */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.feature-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background-color: #ffffff;
  border-radius: 0.75rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.feature-icon-container {
  flex-shrink: 0;
  width: 4rem;
  height: 4rem;
  background-color: #dbeafe;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon {
  font-size: 2rem;
  color: #372f88;
}

.feature-content h3 {
  font-size: 1.25rem;
  font-weight: 500;
  color: #1f2937;
  margin-bottom: 0.75rem;
}

.feature-content p {
  font-size: 1rem;
  color: #4b5563;
  letter-spacing: -0.01em;
  text-align: left;
  line-height: 1.4;
}

.feature-disclaimer {
  font-size: 0.75rem;
  color: #6b7280;
  margin-top: 0.5rem;
  line-height: 1.3;
  text-align: left;
}

.product-image-section {
  text-align: center;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.product-image-section img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
}

.product-image-notes {
  list-style-type: none; /* デフォルトの記号を非表示に */
  text-align: left;
  margin: 0.5rem auto 0;
  padding-left: 0;
  color: #4b5563;
  font-size: 0.75rem;
}

.product-image-notes li {
  position: relative;
  margin-bottom: 0.25rem;
  line-height: 1.3;
  padding-left: 1rem;
}

.product-image-notes li::before {
  content: "※"; /* 疑似要素で「※」を表示 */
  position: absolute;
  left: 0;
}

.product-notes {
  list-style-type: none; /* デフォルトの記号を非表示に */
  text-align: left;
  margin: 0.5rem auto 0;
  max-width: 800px;
  padding-left: 0;
  color: #4b5563;
  font-size: 0.75rem;
}

.product-notes li {
  position: relative;
  margin-bottom: 0.25rem;
  line-height: 1.3;
  padding-left: 0.65rem;
}

.product-notes li::before {
  content: "※"; /* 疑似要素で「※」を表示 */
  position: absolute;
  left: 0;
}

/* 対応機器・製品仕様セクション */
.table-wrapper {
  overflow-x: auto;
  border-radius: 0.5rem;
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
  border: 1px solid #e2e8f0;
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 600px;
}

.custom-table th,
.custom-table td {
  padding: 1rem;
  border: 1px solid #e2e8f0;
}

.custom-table th {
  background-color: #f3f4f6;
  font-weight: 600;
  color: #1f2937;
}

.custom-table tr:nth-child(even) td {
  background-color: #f9fafb;
}

.custom-table tbody tr:hover td {
  background-color: #f3f4f6;
}

.custom-table th[scope="row"] {
  vertical-align: middle;
  text-align: left;
}

.custom-table td {
  vertical-align: middle;
}

.custom-table .tx-c {
  text-align: center;
  width: 5%;
}

.table-notes-list {
  list-style-type: none;
  padding-left: 0;
  margin-top: 1.5rem;
  color: #4b5563;
  font-size: 0.875rem;
}

.table-notes-list li {
  position: relative;
  margin-bottom: 0.25rem;
  line-height: 1.3;
  padding-left: 1.5rem;
}

.table-notes-list li::before {
  content: "※";
  position: absolute;
  left: 0;
}

/* 用途セクションのスタイル */
.applications-text {
  color: #4b5563;
  font-size: 1rem;
  line-height: 1.8;
  letter-spacing: -0.01em;
}

/* ダウンロードサービスのご利用条件セクション */
.download-terms p {
  color: #4b5563;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.download-terms p:last-child {
  margin-bottom: 0;
}

/*  ダウンロードセクション */
.download-list {
  list-style: none;
  padding: 0;
  margin-top: 1.5rem;
}

.download-list li {
  margin-bottom: 1rem;
}

.download-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background-color: #e5e7eb;
  border-radius: 0.5rem;
  color: #1f2937;
  font-weight: 500;
  transition: background-color 0.3s ease;
}

.download-link:hover {
  background-color: #d1d5db;
}

.download-icon {
  width: 1.5rem;
  height: 1.5rem;
  /* color: #3b82f6; */
  flex-shrink: 0;
}

/* 動画セクションのスタイル */
.video-grid {
  display: flex;
  gap: 2rem;
  justify-content: center;
}

.video-item {
  flex: 1;
  max-width: 560px;
  border-radius: 0.75rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.video-item video {
  width: 100%;
  height: auto;
  display: block;
  border: 0;
  border-radius: 0.75rem;
  object-fit: contain; /* 動画がコンテナに収まるように変更 */
}

/* 試し */
.video-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #e2e8f0;
  width: 100%;
  height: 100%;
}

.video-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 使用メーカーセクションのスタイル */
.manufacturers-list {
  list-style-type: none;
  padding-left: 0;
  margin-top: 1.5rem;
  color: #4b5563;
  font-size: 1rem;
  line-height: 1.6;
}

.manufacturers-list li {
  margin-bottom: 0.5rem;
  margin-left: 1rem;
  position: relative;
}

.manufacturers-list li::before {
  content: "";
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #2ec4b6;
  position: absolute;
  left: -15px;
  top: calc(0.75em - 3px);
}

.under_line_vio {
  background: linear-gradient(transparent 60%, #e0e7ff 60%);
}
/* ------------------------------------------ */
/* ---            モバイル向け             --- */
/* ------------------------------------------ */
@media (max-width: 767px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  main.container {
    padding-top: 2rem;
    padding-bottom: 2rem;
  }

  .section-title {
    padding-bottom: 0.75rem;
    margin-bottom: 1.5rem;
    font-size: 1.75rem;
  }
  .section-title::after {
    width: 40px;
    height: 3px;
  }

  #products p,
  #main-product-series p,
  #contact p {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }

  #product-top img {
    width: 100%;
  }

  .product-categories {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
  }

  .product-card {
    padding: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  }

  .product-card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  }

  .product-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
  }

  .product-card p {
    font-size: 0.875rem;
  }

  .product-detail-card {
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    margin-bottom: 1.5rem;
  }

  .product-detail-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
  }

  .product-detail-card > p {
    margin-bottom: 1rem;
    font-size: 0.9375rem;
  }

  .feature-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
  }

  .feature-grid h4 {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
  }

  .feature-grid ul li {
    font-size: 0.875rem;
  }

  .detail-button {
    padding: 0.625rem 1.25rem;
    box-shadow: 0 2px 4px -1px rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.06);
    font-size: 0.875rem;
  }

  #board-list-table .overflow-x-auto {
    padding: 0.75rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  }

  .table_02 th,
  .table_02 td {
    padding: 0.75rem 1rem;
  }

  footer .container {
    font-size: 0.875rem;
  }

  .foot-navi2 {
    padding-left: 15px;
  }

  .model-image {
    width: 80px;
    height: 80px;
  }

  .product-overview-content {
    display: block; /* flex Boxを解除するため設定 */
    padding-top: 1rem;
  }

  .image-gallery-container {
    padding-top: 1rem;
  }

  .image-gallery {
    grid-template-columns: repeat(2, 1fr); /* タブレットやモバイルでは2カラム */
  }

  .tag {
    margin-bottom: 0.5rem;
  }

  .feature-content h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
  }

  .features-grid {
    grid-template-columns: repeat(1, 1fr); /* タブレットやモバイルでは1カラム */
  }

  .product-image-section img {
    max-width: 100%;
  }

  .applications-text {
    font-size: 0.95rem;
  }

  .video-grid {
    flex-direction: column;
    gap: 1.5rem;
  }

  .video-item {
    max-width: 100%;
  }
}