/**
 * SQUARES - SWELL サブページ（お知らせ一覧・ブログ一覧・個別記事・アーカイブ）専用スタイルシート
 * 
 * トップページ（ニューモーフィズム × グラスモーフィズム）の世界観を、
 * SWELL標準のアーカイブ一覧、個別記事、固定ページへ完全に継承・同期します。
 */

/* ========================================================
   1. デザイントークン & 全体ベース設定
   ======================================================== */
:root {
  --sq-primary: #0F172A;
  --sq-primary-light: #1E293B;
  --sq-accent: #FF5E1E;
  --sq-accent-hover: #E04E15;
  --sq-accent-glow: rgba(255, 94, 30, 0.35);
  --sq-bg: #F8FAFC;
  --sq-bg-white: #FFFFFF;
  --sq-border: rgba(226, 232, 240, 0.85);
  --sq-border-light: rgba(241, 245, 249, 0.9);
  --sq-text-main: #0F172A;
  --sq-text-body: #334155;
  --sq-text-muted: #64748B;
  --sq-text-light: #94A3B8;
  --sq-font-en: 'Outfit', sans-serif;
  --sq-font-base: 'Outfit', 'Noto Sans JP', sans-serif;
  --sq-radius-card: 20px;
  --sq-radius-pill: 9999px;
  --sq-shadow-card: 6px 10px 28px rgba(15, 23, 42, 0.04), -4px -4px 16px rgba(255, 255, 255, 0.85);
  --sq-shadow-hover: 12px 20px 36px rgba(15, 23, 42, 0.08), 0 0 16px rgba(255, 94, 30, 0.12);
}

body, html {
  background-color: var(--sq-bg) !important;
  color: var(--sq-text-main) !important;
  font-family: var(--sq-font-base) !important;
  -webkit-font-smoothing: antialiased !important;
  -moz-osx-font-smoothing: grayscale !important;
}

#content,
.l-content,
.l-container {
  background: transparent !important;
}

.l-container {
  max-width: 1240px !important;
  padding-left: 24px !important;
  padding-right: 24px !important;
}

/* ========================================================
   背景・正方形の方眼紙（グラフペーパー）グリッド（パララックス連動）
   ======================================================== */
.bg-iso-grid {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  pointer-events: none !important;
  z-index: 0 !important;
  opacity: 0.55 !important;
  background-size: 36px 36px !important;
  background-image: 
    linear-gradient(to right, rgba(148, 163, 184, 0.18) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(148, 163, 184, 0.18) 1px, transparent 1px) !important;
  will-change: background-position !important;
}

/* コンテンツ層の重なり順（背景グリッドの上に配置） */
#content,
.l-content,
.l-container,
.l-main,
.l-sidebar,
.c-pageTitle,
#breadcrumb,
.c-breadcrumb,
.squares-unified-footer {
  position: relative !important;
  z-index: 1 !important;
}

/* ========================================================
   2. SWELL標準ヘッダー & トップバー & フッターの非表示化
   ======================================================== */
#header,
.l-header,
#header_top,
.l-header__bar,
.l-topBar {
  display: none !important;
}

#footer,
.l-footer {
  display: none !important;
}

/* ========================================================
   3. SQUARES 統一ヘッダー（サブページ共通）
   ======================================================== */
.squares-unified-header {
  position: sticky !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  z-index: 9999 !important;
  padding: 18px 0 !important;
  background: rgba(255, 255, 255, 0.38) !important;
  backdrop-filter: blur(14px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(14px) saturate(180%) !important;
  border-bottom: 1px solid rgba(226, 232, 240, 0.45) !important;
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.02) !important;
  transition: background 0.3s ease, padding 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease !important;
}

.squares-unified-header.is-scrolled {
  background: rgba(255, 255, 255, 0.78) !important;
  backdrop-filter: blur(20px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
  box-shadow: 0 8px 32px rgba(15, 23, 42, 0.06) !important;
  padding: 13px 0 !important;
  border-bottom: 1px solid rgba(226, 232, 240, 0.8) !important;
}

body.admin-bar .squares-unified-header {
  top: 32px !important;
}
@media screen and (max-width: 782px) {
  body.admin-bar .squares-unified-header {
    top: 46px !important;
  }
}

.squares-unified-header .header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
}

.squares-unified-header .logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}

.squares-unified-header .logo-mark {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.squares-unified-header .logo:hover .logo-mark {
  transform: rotate(5deg) scale(1.05);
}

.squares-unified-header .logo-svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.squares-unified-header .logo-type-wrap {
  display: flex;
  align-items: baseline;
  gap: 2px;
}

/* トップページと完全に揃えた Outfit 400（レギュラー）/ 字間 0.35em */
.logo-type,
.squares-unified-header .logo-type {
  font-family: 'Outfit', sans-serif !important;
  font-size: 16px !important;
  font-weight: 400 !important;
  color: var(--sq-primary) !important;
  letter-spacing: 0.35em !important;
  -webkit-font-smoothing: antialiased !important;
}

.logo-domain,
.squares-unified-header .logo-domain {
  font-family: 'Outfit', sans-serif !important;
  font-size: 12px !important;
  font-weight: 900 !important;
  color: var(--sq-accent) !important;
}

.squares-unified-header .nav-list {
  display: flex;
  list-style: none;
  gap: 28px;
  margin: 0;
  padding: 0;
  align-items: center;
}

.squares-unified-header .nav-link {
  font-family: 'Outfit', sans-serif !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  letter-spacing: 0.12em !important;
  color: #475569 !important;
  text-decoration: none !important;
  transition: color 0.2s ease !important;
  position: relative !important;
  padding: 8px 0 !important;
}

.squares-unified-header .nav-link:hover {
  color: var(--sq-accent) !important;
}

.squares-unified-header .header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.squares-unified-header .header-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #FF6B2B 0%, #FF5E1E 100%);
  color: #FFFFFF !important;
  font-family: var(--sq-font-base) !important;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 10px 24px;
  border-radius: 9999px;
  text-decoration: none;
  box-shadow: 0 4px 14px var(--sq-accent-glow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  border: none;
}

.squares-unified-header .header-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 94, 30, 0.45);
}

@media screen and (max-width: 960px) {
  .squares-unified-header .nav {
    display: none;
  }
}

/* ========================================================
   4. SQUARES 統一フッター（サブページ共通）
   ======================================================== */
.squares-unified-footer {
  background: #FFFFFF !important;
  border-top: 1px solid var(--sq-border) !important;
  padding: 72px 0 36px !important;
  margin-top: 80px !important;
  position: relative !important;
  z-index: 10 !important;
  clear: both !important;
}

.squares-unified-footer .footer-content {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 48px;
}

.squares-unified-footer .footer-brand {
  max-width: 320px;
}

.squares-unified-footer .logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.squares-unified-footer .logo-mark {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.squares-unified-footer .logo-svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.squares-unified-footer .logo-type-wrap {
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.squares-unified-footer .logo-type {
  font-family: 'Outfit', sans-serif !important;
  font-size: 16px !important;
  font-weight: 400 !important;
  color: var(--sq-primary) !important;
  letter-spacing: 0.35em !important;
  -webkit-font-smoothing: antialiased !important;
}

.squares-unified-footer .logo-domain {
  font-family: 'Outfit', sans-serif !important;
  font-size: 12px !important;
  font-weight: 900 !important;
  color: var(--sq-accent) !important;
}

.squares-unified-footer .footer-tagline {
  font-family: var(--sq-font-base) !important;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--sq-text-muted);
  margin-top: 14px;
  margin-bottom: 0;
  letter-spacing: 0.02em;
}

.squares-unified-footer .footer-links {
  display: flex;
  gap: 64px;
  flex-wrap: wrap;
}

.squares-unified-footer .footer-col h4 {
  font-family: var(--sq-font-base) !important;
  font-size: 13px !important;
  font-weight: 800 !important;
  color: var(--sq-primary) !important;
  margin-bottom: 18px !important;
  text-transform: uppercase !important;
  letter-spacing: 0.12em !important;
}

.squares-unified-footer .footer-col ul {
  list-style: none !important;
  padding: 0 !important;
  margin: 0 !important;
}

.squares-unified-footer .footer-col ul li {
  margin-bottom: 10px !important;
  font-size: 13px !important;
  line-height: 1.8 !important;
  color: var(--sq-text-muted) !important;
  font-family: var(--sq-font-base) !important;
}

.squares-unified-footer .footer-col ul li a {
  text-decoration: none !important;
  color: var(--sq-text-muted) !important;
  font-size: 13.5px !important;
  transition: color 0.2s ease !important;
  font-family: var(--sq-font-base) !important;
}

.squares-unified-footer .footer-col ul li a:hover {
  color: var(--sq-accent) !important;
}

.squares-unified-footer .footer-bottom {
  max-width: 1240px;
  margin: 48px auto 0;
  padding: 24px 24px 0;
  border-top: 1px solid var(--sq-border);
  text-align: center;
}

.squares-unified-footer .copyright {
  font-family: var(--sq-font-en) !important;
  font-size: 12.5px !important;
  color: var(--sq-text-light) !important;
  margin: 0 !important;
}

@media screen and (max-width: 768px) {
  .squares-unified-footer {
    padding: 48px 0 28px !important;
    margin-top: 48px !important;
  }
  .squares-unified-footer .footer-content {
    flex-direction: column;
    gap: 36px;
  }
  .squares-unified-footer .footer-links {
    flex-direction: column;
    gap: 32px;
  }
}

/* ========================================================
   5. パンくずリスト（上品でミニマルなデザイン）
   ======================================================== */
#breadcrumb,
.c-breadcrumb {
  background: transparent !important;
  border: none !important;
  font-family: var(--sq-font-base) !important;
  font-size: 12.5px !important;
  color: var(--sq-text-muted) !important;
  padding: 24px 0 16px !important;
  margin: 0 !important;
}

.c-breadcrumb__item a,
.c-breadcrumb__item span {
  color: var(--sq-text-muted) !important;
  text-decoration: none !important;
  font-family: var(--sq-font-base) !important;
  font-weight: 600 !important;
  letter-spacing: 0.06em !important;
  transition: color 0.2s ease;
}

.c-breadcrumb__item a:hover {
  color: var(--sq-accent) !important;
}

/* ========================================================
   6. 個別記事ページ（Single）のコンテナ & タイポグラフィ
   ======================================================== */
/* 記事カード本体（ソフト・ニューモーフィズム） */
.l-main__inner,
.p-article,
.c-entry {
  background: #FFFFFF !important;
  border-radius: var(--sq-radius-card) !important;
  border: 1px solid var(--sq-border) !important;
  box-shadow: var(--sq-shadow-card) !important;
  padding: 48px 52px !important;
  margin-bottom: 40px !important;
}

@media screen and (max-width: 768px) {
  .l-main__inner,
  .p-article,
  .c-entry {
    padding: 28px 20px !important;
    border-radius: 16px !important;
  }
}

/* 記事ヘッダー・タイトル */
.c-postTitle,
.p-article__header {
  margin-bottom: 28px !important;
}

.c-postTitle__title,
.p-article__title,
.c-entry__title {
  font-family: var(--sq-font-base) !important;
  font-weight: 800 !important;
  font-size: 28px !important;
  line-height: 1.45 !important;
  color: var(--sq-primary) !important;
  letter-spacing: 0.02em !important;
  margin-bottom: 16px !important;
}

@media screen and (max-width: 768px) {
  .c-postTitle__title,
  .p-article__title,
  .c-entry__title {
    font-size: 22px !important;
  }
}

/* カテゴリーバッジ（NEWS: ダークスレート / BLOG: SQUARESオレンジ） */
.c-categoryBadge,
.c-catBadge,
.c-postMeta__cat a,
.p-articleMetas__cat a {
  background: var(--sq-primary) !important;
  color: #FFFFFF !important;
  font-family: var(--sq-font-base) !important;
  font-size: 11px !important;
  font-weight: 700 !important;
  letter-spacing: 0.08em !important;
  border-radius: 6px !important;
  padding: 4px 10px !important;
  text-decoration: none !important;
  display: inline-block !important;
  transition: opacity 0.2s ease !important;
}

.c-categoryBadge:hover,
.c-catBadge:hover,
.c-postMeta__cat a:hover {
  opacity: 0.85 !important;
}

/* ブログカテゴリー用オレンジアクセント */
.c-categoryBadge[href*="blog"],
.c-catBadge[href*="blog"],
.c-postMeta__cat a[href*="blog"],
.cat-item-blog a {
  background: var(--sq-accent) !important;
}

/* 投稿日時（等幅 Outfit 数字） */
.c-postTimes,
.p-articleMetas__times {
  font-family: var(--sq-font-en) !important;
  font-size: 13px !important;
  color: var(--sq-text-muted) !important;
}

/* 記事アイキャッチ画像 */
.p-article__thumb,
.c-postThumb {
  border-radius: 16px !important;
  overflow: hidden !important;
  margin-bottom: 32px !important;
  border: 1px solid var(--sq-border) !important;
}

/* 本文テキスト */
.post_content,
.c-entryContent {
  font-size: 15.5px !important;
  line-height: 1.85 !important;
  color: var(--sq-text-body) !important;
  font-family: 'Noto Sans JP', sans-serif !important;
}

/* 記事本文内の見出し（H2）: SQUARES左オレンジバー */
.post_content h2,
.c-entryContent h2 {
  font-family: var(--sq-font-base) !important;
  font-weight: 800 !important;
  font-size: 21px !important;
  color: var(--sq-primary) !important;
  border-left: 5px solid var(--sq-accent) !important;
  background: rgba(248, 250, 252, 0.95) !important;
  padding: 14px 20px !important;
  border-radius: 0 12px 12px 0 !important;
  margin-top: 48px !important;
  margin-bottom: 24px !important;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.02) !important;
  border-bottom: none !important;
}

/* 記事本文内の見出し（H3）: SQUARESオレンジ下線 */
.post_content h3,
.c-entryContent h3 {
  font-family: var(--sq-font-base) !important;
  font-weight: 700 !important;
  font-size: 18px !important;
  color: var(--sq-primary) !important;
  border-bottom: 2px solid var(--sq-border) !important;
  padding-bottom: 10px !important;
  margin-top: 38px !important;
  margin-bottom: 20px !important;
  position: relative !important;
}

.post_content h3::after,
.c-entryContent h3::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 36px;
  height: 2px;
  background: var(--sq-accent);
}

/* 目次（Table of Contents） */
.p-toc,
#toc_container {
  background: #FFFFFF !important;
  border: 1px solid var(--sq-border) !important;
  border-radius: 18px !important;
  box-shadow: 0 6px 24px rgba(15, 23, 42, 0.04) !important;
  padding: 28px !important;
  margin: 36px 0 !important;
}

.p-toc__title,
.toc_title {
  font-family: var(--sq-font-base) !important;
  font-weight: 800 !important;
  font-size: 15px !important;
  color: var(--sq-primary) !important;
  letter-spacing: 0.05em !important;
}

/* ========================================================
   不要なSNSシェアボタン・著者ボックス等の非表示
   （管理画面を操作せずコード側で一括非表示）
   ======================================================== */
/* 記事下シェアボタン & 「よかったらシェアしてね！」 */
.c-shareBtns,
.c-shareBtns__message,
.p-article__share,
.p-shareBtns,
.p-articleMetas__share,
.w-shareBtns {
  display: none !important;
}

/* 画面左端の固定シェアボタン群 */
#fix_share_btns,
.c-fixShareBtns,
.c-fixBtn--share,
.p-fixShareBtns,
.w-fixBtns {
  display: none !important;
}

/* 「この記事を書いた人」著者ボックス */
.p-authorBox,
.c-authorBox,
.w-authorBox,
.author-box {
  display: none !important;
}

/* 前後記事ナビゲーションカード */
.p-postNav,
.c-postNav {
  margin: 48px 0 32px !important;
}

.p-postNav__link,
.c-postNav__link {
  background: #FFFFFF !important;
  border-radius: 16px !important;
  border: 1px solid var(--sq-border) !important;
  padding: 16px 20px !important;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.03) !important;
  transition: all 0.25s ease !important;
  color: var(--sq-primary) !important;
  font-weight: 600 !important;
}

.p-postNav__link:hover,
.c-postNav__link:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08) !important;
  border-color: rgba(255, 94, 30, 0.35) !important;
  color: var(--sq-accent) !important;
}

/* この記事を書いた人（Author Box） */
.p-authorBox,
.c-authorBox {
  background: #FFFFFF !important;
  border: 1px solid var(--sq-border) !important;
  border-radius: 20px !important;
  box-shadow: 0 6px 24px rgba(15, 23, 42, 0.03) !important;
  padding: 32px !important;
  margin-top: 48px !important;
}

.p-authorBox__name,
.c-authorBox__name {
  font-family: var(--sq-font-base) !important;
  font-weight: 800 !important;
  color: var(--sq-primary) !important;
}

/* ========================================================
   7. サイドバー（各ウィジェットの個別カード化）
   ======================================================== */
.c-widget,
.w-sidebar .widget {
  background: #FFFFFF !important;
  border-radius: 20px !important;
  border: 1px solid var(--sq-border) !important;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.03) !important;
  padding: 26px !important;
  margin-bottom: 28px !important;
  transition: box-shadow 0.25s ease !important;
}

.c-widget:hover,
.w-sidebar .widget:hover {
  box-shadow: 0 8px 26px rgba(15, 23, 42, 0.06) !important;
}

.c-widget__title,
.widget-title {
  font-family: var(--sq-font-base) !important;
  font-weight: 800 !important;
  font-size: 13.5px !important;
  color: var(--sq-primary) !important;
  letter-spacing: 0.12em !important;
  text-transform: uppercase !important;
  border-bottom: 2px solid var(--sq-accent) !important;
  padding-bottom: 8px !important;
  margin-bottom: 18px !important;
  position: relative !important;
}

/* サイドバーリスト項目のホバースライド効果 */
.c-widget ul {
  list-style: none !important;
  padding: 0 !important;
  margin: 0 !important;
}

.c-widget ul li {
  padding: 10px 0 !important;
  border-bottom: 1px dashed rgba(226, 232, 240, 0.8) !important;
  font-size: 13.5px !important;
  color: var(--sq-text-muted) !important;
  transition: padding-left 0.2s ease, color 0.2s ease !important;
}

.c-widget ul li:last-child {
  border-bottom: none !important;
}

.c-widget ul li a {
  color: var(--sq-text-muted) !important;
  text-decoration: none !important;
  transition: color 0.2s ease !important;
}

.c-widget ul li:hover {
  padding-left: 6px !important;
}

.c-widget ul li:hover a {
  color: var(--sq-accent) !important;
}

/* 検索ボックスのピル型モダン化 */
.c-searchBox__input,
.c-widget input[type="search"],
.c-widget input[type="text"] {
  border-radius: 9999px !important;
  border: 1px solid var(--sq-border) !important;
  padding: 10px 20px !important;
  font-family: var(--sq-font-base) !important;
  font-size: 13.5px !important;
  outline: none !important;
  transition: border-color 0.25s ease, box-shadow 0.25s ease !important;
}

.c-searchBox__input:focus,
.c-widget input[type="search"]:focus,
.c-widget input[type="text"]:focus {
  border-color: var(--sq-accent) !important;
  box-shadow: 0 0 0 3px rgba(255, 94, 30, 0.15) !important;
}

.c-searchBox__btn,
.c-widget input[type="submit"] {
  background: var(--sq-primary) !important;
  color: #FFFFFF !important;
  border-radius: 9999px !important;
  font-family: var(--sq-font-base) !important;
  font-weight: 700 !important;
  font-size: 13px !important;
  padding: 9px 22px !important;
  border: none !important;
  cursor: pointer !important;
  transition: background 0.2s ease, transform 0.2s ease !important;
}

.c-searchBox__btn:hover,
.c-widget input[type="submit"]:hover {
  background: var(--sq-accent) !important;
  transform: translateY(-1px) !important;
}

/* ========================================================
   8. 一覧ページ（お知らせ / ブログ / カテゴリーアーカイブ）
   ======================================================== */
.c-pageTitle {
  padding: 56px 0 36px !important;
  text-align: center !important;
}

.c-pageTitle__title {
  font-family: var(--sq-font-base) !important;
  font-weight: 800 !important;
  font-size: 34px !important;
  color: var(--sq-primary) !important;
  letter-spacing: 0.04em !important;
}

.c-pageTitle__sub {
  font-family: var(--sq-font-en) !important;
  font-size: 12px !important;
  font-weight: 800 !important;
  letter-spacing: 0.24em !important;
  color: var(--sq-accent) !important;
  text-transform: uppercase !important;
  margin-bottom: 8px !important;
}

/* 記事カード（ソフト・ニューモーフィズム） */
.p-postList__item {
  background: #FFFFFF !important;
  border-radius: var(--sq-radius-card) !important;
  border: 1px solid var(--sq-border) !important;
  box-shadow: var(--sq-shadow-card) !important;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1) !important;
  overflow: hidden !important;
}

.p-postList__item:hover {
  transform: translateY(-6px) !important;
  box-shadow: var(--sq-shadow-hover) !important;
  border-color: rgba(255, 94, 30, 0.35) !important;
}

.p-postList__thumb {
  border-radius: 14px !important;
  overflow: hidden !important;
}

.p-postList__thumb img {
  transition: transform 0.4s ease !important;
}

.p-postList__item:hover .p-postList__thumb img {
  transform: scale(1.04) !important;
}

.p-postList__title {
  font-family: var(--sq-font-base) !important;
  font-weight: 700 !important;
  font-size: 16.5px !important;
  line-height: 1.6 !important;
  color: var(--sq-primary) !important;
  transition: color 0.2s ease !important;
}

.p-postList__item:hover .p-postList__title {
  color: var(--sq-accent) !important;
}

/* ページネーション */
.c-pagination__item a,
.c-pagination__item span {
  font-family: var(--sq-font-en) !important;
  border-radius: 10px !important;
  border: 1px solid var(--sq-border) !important;
  font-weight: 600 !important;
  transition: all 0.2s ease !important;
}

.c-pagination__item a:hover {
  border-color: var(--sq-accent) !important;
  color: var(--sq-accent) !important;
}

.c-pagination__item.is-active span {
  background: linear-gradient(135deg, #FF6B2B 0%, #FF5E1E 100%) !important;
  border-color: transparent !important;
  color: #FFFFFF !important;
  box-shadow: 0 4px 14px var(--sq-accent-glow) !important;
}

/* ========================================================
   9. トップへ戻るボタン
   ======================================================== */
.c-pagetopBtn,
#pagetop,
#page_top {
  border-radius: 50% !important;
  background: rgba(255, 255, 255, 0.88) !important;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
  border: 1px solid var(--sq-border) !important;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08) !important;
  color: var(--sq-primary) !important;
  transition: all 0.3s ease !important;
}

.c-pagetopBtn:hover,
#pagetop:hover,
#page_top:hover {
  background: rgba(255, 255, 255, 0.98) !important;
  border-color: rgba(255, 94, 30, 0.4) !important;
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.12), 0 0 14px var(--sq-accent-glow) !important;
  color: var(--sq-accent) !important;
  transform: translateY(-2px) !important;
}