/* =================================================
   カラーテーマ / CSS変数
================================================= */
:root {
  --primary-orange: #ff9800;
  --primary-orange-dark: #e68900;
  --text-color: #333333;
  --border-color: #eeeeee;
  --header-height: 70px;
  --bg-white: #ffffff;
  --primary-orange: #ff9800;
  --light-orange: #fff8e1;
  --dark-orange: #e68900;
  --border-color: #ffe0b2;
}
/* =================================================
   ヘッダー全体（固定ヘッダー）
================================================= */
.help-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  width: 100%;
  height: var(--header-height);
  background-color: var(--bg-white);
  border-bottom: 2px solid var(--border-color);
}

/* =================================================
   ボディ余白（固定ヘッダー対策）
================================================= */
body {
  padding-top: var(--header-height);
}

/* =================================================
   ヘッダーコンテナ
================================================= */
.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* =================================================
   ロゴエリア
================================================= */
.header-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.header-logo img {
  width: 70px;
  height: auto;
}

/* =================================================
   ヘルプタイトル
================================================= */
.help-title {
  padding-left: 12px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  color: var(--text-color);
  border-left: 1px solid #ccc;
}

/* =================================================
   ナビゲーション
================================================= */
.header-nav {
  display: flex;
  gap: 12px;
}

.header-nav a {
  padding: 10px 20px;
  font-size: 14px;
  font-weight: bold;
  text-decoration: none;
  border-radius: 6px;
  transition: all 0.3s ease;
}

/* =================================================
   ボタン：セカンダリー（枠ボタン）
================================================= */
.btn-secondary {
  background: transparent;
  border: 2px solid var(--primary-orange);
  color: var(--primary-orange);
}

.btn-secondary:hover {
  background: rgba(255, 152, 0, 0.05);
}

/* =================================================
   ボタン：プライマリー（塗りボタン）
================================================= */
.btn-primary {
  background-color: var(--primary-orange);
  border: 2px solid var(--primary-orange);
  color: #fff !important;
}

.btn-primary:hover {
  background-color: var(--primary-orange-dark);
  border-color: var(--primary-orange-dark);
}

/* =================================================
   レスポンシブ（タブレット / スマホ）
================================================= */
@media (max-width: 768px) {
  .help-title {
    display: none;
  }

  .header-nav a {
    padding: 6px 12px;
    font-size: 13px;
  }
}
/* =================================================
   フッター全体
================================================= */
.help-footer {
  margin-top: 50px;
  padding: 60px 0 30px;
  color: var(--text-color);
  background-color: #f9f9f9;
  border-top: 1px solid var(--border-color);
}

/* =================================================
   フッターコンテナ
================================================= */
.footer-container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* =================================================
   フッター左側（ロゴ / コピーライト）
================================================= */
.footer-left {
  flex: 1;
  min-width: 250px;
}

.footer-logo img {
  height: 35px;
  margin-bottom: 20px;
  opacity: 0.7;
}

.footer-logo img:hover {
  opacity: 1;
  filter: none;
}

.copyright {
  font-size: 12px;
  color: #888;
}

/* =================================================
   フッター右側（リンクナビ）
================================================= */
.footer-right {
  display: flex;
  flex-wrap: wrap;
  gap: 60px;
}

/* =================================================
   フッターナビグループ
================================================= */
.footer-nav-group h4 {
  margin-bottom: 20px;
  font-size: 15px;
  font-weight: bold;
  color: var(--primary-orange);
}

.footer-nav-group ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-nav-group ul li {
  margin-bottom: 12px;
}

.footer-nav-group ul li a {
  font-size: 14px;
  text-decoration: none;
  color: #666;
  transition: color 0.3s;
}

.footer-nav-group ul li a:hover {
  color: var(--primary-orange);
  text-decoration: underline;
}

/* =================================================
   レスポンシブ（スマホ）
================================================= */
@media (max-width: 768px) {
  .help-footer {
    padding: 40px 0 20px;
  }

  .footer-container {
    flex-direction: column;
    gap: 30px;
  }

  .footer-right {
    gap: 30px;
    justify-content: space-between;
  }
}
/* =================================================
   カテゴリーセクション
================================================= */
.main-categories {
  padding: 60px 20px;
  background-color: #ffffff;
}

.category-container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
  max-width: 1200px;
  margin: 0 auto;
}

/* =================================================
   カテゴリーカード
================================================= */
.category-card {
  position: relative;
  overflow: visible;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 30px;
  text-align: center;
  text-decoration: none;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

/* =================================================
   カードホバー
================================================= */
.category-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-orange);
  box-shadow: 0 10px 25px rgba(255, 152, 0, 0.15);
}

/* =================================================
   カードアイコン / テキスト
================================================= */
.card-icon {
  font-size: 50px;
  margin-bottom: 20px;
}

.category-card h3 {
  margin-bottom: 15px;
  font-size: 18px;
  font-weight: bold;
  color: var(--text-color);
}

.category-card p {
  font-size: 14px;
  line-height: 1.6;
  color: #666;
}

/* =================================================
   強調カード（おすすめ）
================================================= */
.card-featured {
  position: relative;
  overflow: hidden;
  background-color: #fff9f0 !important;
  border: 2px solid var(--primary-orange) !important;
}

.card-featured:hover {
  background-color: #fff2e0 !important;
}

/* =================================================
   「まずはここから」バッジ
================================================= */
.badge-first {
  position: absolute;
  top: 0;
  left: 0;
  padding: 5px 15px;
  font-size: 12px;
  font-weight: bold;
  color: #fff;
  background: linear-gradient(#ff6b00, #ff8c1a);
  border-bottom-right-radius: 12px;
}

/* =================================================
   STEPラベル
================================================= */
.step-label-main {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: bold;
  color: #fff;
  background: var(--primary-orange);
  border-radius: 20px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
}

/* =================================================
   誘導リンク
================================================= */
.btn-guide {
  margin-top: 15px;
  font-size: 14px;
  font-weight: bold;
  color: var(--primary-orange);
  text-decoration: underline;
}

/* =================================================
   カード矢印
================================================= */
.category-card {
  position: relative;
  overflow: visible;
}

.category-card::after {
  content: "➜";
  position: absolute;
  top: 50%;
  right: -18px;
  transform: translateY(-50%);
  font-size: 34px;
  font-weight: 900;
  color: var(--primary-orange);
  z-index: 9999;
  pointer-events: none;
}

.category-card:last-child::after {
  display: none;
}

/* =================================================
   レスポンシブ
================================================= */
@media (max-width: 768px) {
  .main-categories {
    padding: 40px 20px;
  }

  .category-card {
    padding: 30px 20px;
  }

  .category-card::after {
    display: none;
  }

  .badge-first {
    font-size: 11px;
    padding: 4px 10px;
  }
}
/* =================================================
   検索ヒーローセクション
================================================= */
.search-hero {
  padding: 80px 20px;
  text-align: center;
  background: linear-gradient(135deg, #fff5e6 0%, #ffffff 100%);
}

/* =================================================
   検索ヘッダー
================================================= */
.search-container h1 {
  margin-bottom: 10px;
  font-size: 32px;
  font-weight: 700;
  color: var(--text-color);
}

.search-container p {
  margin-bottom: 30px;
  color: #666;
}

/* =================================================
   検索フォーム
================================================= */
.search-form {
  max-width: 650px;
  margin: 0 auto;
}

.search-input-wrapper {
  display: flex;
  padding: 8px;
  background: #fff;
  border: 2px solid var(--primary-orange);
  border-radius: 50px;
  box-shadow: 0 4px 15px rgba(255, 152, 0, 0.1);
}

/* =================================================
   検索入力フィールド
================================================= */
.search-field {
  flex: 1;
  width: 100%;
  padding: 10px 20px;
  font-size: 18px;
  border: none;
  outline: none;
  border-radius: 50px 0 0 50px;
}

/* =================================================
   検索ボタン
================================================= */
.search-submit {
  padding: 10px 30px;
  font-size: 16px;
  font-weight: bold;
  color: #fff;
  background-color: var(--primary-orange);
  border: none;
  border-radius: 50px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.3s;
}

.search-submit:hover {
  background-color: var(--primary-orange-dark);
}

.search-icon {
  margin-right: 5px;
}

/* =================================================
   レスポンシブ（スマホ）
================================================= */
@media (max-width: 768px) {
  .search-hero {
    padding: 50px 20px;
  }

  .search-container h1 {
    font-size: 24px;
  }

  .search-input-wrapper {
    padding: 5px;
  }

  .search-field {
    padding: 8px 15px;
    font-size: 16px;
  }

  .search-submit {
    padding: 8px 20px;
  }
  .search-container p {
    text-align: left;
  }
}
/* =================================================
   最新の更新情報セクション
================================================= */
.latest-release-section {
  padding: 48px 24px;
}

.latest-release-section .section-container {
  max-width: 760px;
  margin: 0 auto;
}

/* =================================================
   セクションヘッダー
================================================= */
.latest-release-section .panel-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.latest-release-section .panel-header h2 {
  position: relative;
  margin: 0;
  padding-left: 16px;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #2d6a9f;
}

.latest-release-section .panel-header h2::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  width: 5px;
  height: 1.2em;
  background: linear-gradient(180deg, #5bb8f5, #f9a825);
  border-radius: 4px;
}

/* =================================================
   最新リリースカード
================================================= */
.latest-release-card {
  position: relative;
  overflow: hidden;
  padding: 24px 28px;
  background: #ffffff;
  border: 1.5px solid #daeeff;
  border-radius: 16px;
  box-shadow:
    0 2px 8px rgba(45, 106, 159, 0.08),
    0 1px 2px rgba(0, 0, 0, 0.04);
  transition:
    box-shadow 0.22s ease,
    transform 0.22s ease,
    border-color 0.22s ease;
}

.latest-release-card::before {
  content: "🆕";
  position: absolute;
  top: 18px;
  right: 22px;
  font-size: 1.3rem;
  opacity: 0.7;
}

.latest-release-card:hover {
  transform: translateY(-3px);
  border-color: #5bb8f5;
  box-shadow:
    0 8px 24px rgba(45, 106, 159, 0.14),
    0 2px 6px rgba(0, 0, 0, 0.06);
}

/* =================================================
   カードリンクオーバーレイ
================================================= */
.card-link-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: 16px;
}

/* =================================================
   カード内情報
================================================= */
.release-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* 日付 */
.release-info .date {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  width: fit-content;
  padding: 3px 10px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: #7eb8e0;
  background: #f0f9ff;
  border-radius: 20px;
}

.release-info .date::before {
  content: "📅";
  font-size: 0.75rem;
}

/* タイトル */
.release-info h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: #1e3a52;
}

/* =================================================
   セクションフッター
================================================= */
.section-footer {
  display: flex;
  justify-content: flex-end;
  margin-top: 16px;
}

.archive-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 18px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: #2d6a9f;
  text-decoration: none;
  background: #f0f9ff;
  border: 1.5px solid #b3d9f7;
  border-radius: 20px;
  transition:
    background 0.18s,
    color 0.18s,
    border-color 0.18s;
}

.archive-link:hover {
  color: #ffffff;
  background: #2d6a9f;
  border-color: #2d6a9f;
  text-decoration: none;
}

/* =================================================
   レスポンシブ
================================================= */
@media (max-width: 480px) {
  .latest-release-section {
    padding: 32px 16px;
  }

  .latest-release-card {
    padding: 20px 20px;
  }

  .release-info h3 {
    font-size: 0.95rem;
  }
}
/* =================================================
   機能パネルセクション
================================================= */
.function-panel-section {
  padding: 60px 20px;
  background-image: url(../img/back.jpg);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

/* =================================================
   セクションヘッダー
================================================= */
.panel-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 40px;
}

.panel-header h2 {
  font-size: 20px;
  font-weight: bold;
  color: #333;
}

.deco-line {
  font-size: 24px;
  font-weight: bold;
  color: var(--primary-orange);
}

/* =================================================
   パネルグリッド
================================================= */
.panel-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1100px;
  margin: 0 auto;
}

/* =================================================
   パネルカード
================================================= */
.panel-card {
  display: flex;
  align-items: center;
  padding: 20px;
  background: #fff;
  border: 1px solid transparent;
  border-radius: 12px;
  text-decoration: none;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.panel-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary-orange);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

/* =================================================
   パネルアイコン
================================================= */
.panel-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  margin-right: 15px;
  font-size: 24px;
  background: #f0f0f0;
  border-radius: 8px;
}

/* =================================================
   パネルテキスト
================================================= */
.panel-text {
  flex: 1;
  font-size: 15px;
  font-weight: bold;
  color: #444;
}

/* =================================================
   パネル矢印
================================================= */
.panel-arrow {
  font-size: 18px;
  color: #ccc;
}

/* =================================================
   アクティブ状態（青）
================================================= */
.active-blue {
  background-color: #f0f7ff;
  border: 1px solid #007bff;
}

.active-blue .panel-icon {
  color: #fff;
  background-color: #007bff;
}

/* =================================================
   レスポンシブ
================================================= */
@media (max-width: 992px) {
  .panel-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .panel-grid {
    grid-template-columns: 1fr;
  }

  .panel-card {
    padding: 15px;
  }
}
/* =================================================
   プラン注釈
================================================= */
.plan-notation {
  max-width: 1100px;
  margin: 30px auto 0;
  padding: 15px 20px;
  background-color: #fff;
  border: 1px solid #ffe0b2;
  border-radius: 8px;
}

/* =================================================
   注釈テキスト
================================================= */
.plan-notation p {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: #666;
}
.notice-link {
  display: inline-block;
  padding: 8px 16px; /* ボタンらしい内側の余白 */
  background-color: #2563eb; /* 背景色 */
  color: #ffffff; /* 文字色を白に */
  font-size: 0.9rem;
  font-weight: bold;
  text-decoration: none;
  border-radius: 6px; /* 角を丸く */
  transition: background-color 0.2s ease;
  margin-top: 15px; /* 上のテキストとの間隔 */
}

.notice-link:hover {
  background-color: #1d4ed8; /* ホバー時は少し濃い青に */
  text-decoration: none;
}

/* =================================================
   ミニバッジ
================================================= */
.mini-badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: bold;
  color: #fff;
  background: linear-gradient(90deg, #ffbb1e, #ff9158);
  border-radius: 4px;
}

/* =================================================
   レスポンシブ
================================================= */
@media (max-width: 600px) {
  .plan-notation p {
    font-size: 13px;
  }
}
/* パネルカード基準 */
.panel-card {
  position: relative;
}

.section-container {
  max-width: 1100px;
  margin: 0 auto;
}

/* ヘッダー */
.panel-header {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 15px;
  margin-bottom: 40px;
}

.panel-header h2 {
  font-size: 22px;
  font-weight: bold;
  color: #333;
  margin: 0;
}

.deco-line {
  color: var(--primary-orange);
  font-size: 24px;
  font-weight: bold;
}

/* グリッド */
.panel-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* 共通カードスタイル */
.panel-card {
  position: relative;
  display: flex;
  align-items: center;
  background: #fff;
  padding: 25px 20px;
  border-radius: 12px;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  border: 1px solid #eee;
  overflow: hidden;
}

.panel-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(255, 152, 0, 0.15);
  border-color: var(--primary-orange);
}

/* スタンダード限定のデザイン変更 */
.standard-only {
  background-color: var(--light-orange) !important; /* 薄いオレンジ背景 */
  border-color: var(--border-color) !important;
  padding-top: 35px !important; /* バッジ用の余白 */
}

.standard-only:hover {
  background-color: #fff3e0 !important;
  border-color: var(--primary-orange) !important;
}

/* 限定バッジ（濃いオレンジ） */
.plan-badge {
  position: absolute;
  top: 0;
  left: 0;
  background: linear-gradient(#ff6b00, #ff8c1a);
  color: #fff;
  font-size: 10px;
  font-weight: bold;
  padding: 4px 12px;
  border-bottom-right-radius: 10px;
  box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.05);
}

/* アイコンと文字色 */
.panel-icon {
  font-size: 24px;
  margin-right: 15px;
  width: 30px;
  text-align: center;
}

.panel-text {
  flex: 1;
  font-size: 15px;
  font-weight: bold;
  color: #444;
}

.panel-arrow {
  color: #ddd;
  font-size: 18px;
  transition: color 0.3s;
}

.panel-card:hover .panel-arrow {
  color: var(--primary-orange);
}

/* レスポンシブ */
@media (max-width: 992px) {
  .panel-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .panel-grid {
    grid-template-columns: 1fr;
  }
  .panel-header h2 {
    font-size: 18px;
  }
}
/* コンタクトセクション */
.contact-section {
  padding: 60px 20px 80px;
  background-color: #ffffff;
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 900px; /* 少し幅を狭めて中央に寄せると綺麗です */
  margin: 0 auto;
}
.contact-card {
  display: flex;
  align-items: center;
  padding: 25px;
  border: 2px solid transparent;
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.3s ease;
}

/* LINEボタン（緑） */
.line-btn {
  background-color: #f0fdf4;
  border-color: #06c755;
}
.line-btn:hover {
  background-color: #06c755;
}

/* 電話ボタン（オレンジ） */
.tel-btn {
  background-color: #fff9f0;
  border-color: var(--primary-orange);
}
.tel-btn:hover {
  background-color: var(--primary-orange);
}

/* 各パーツ */
.contact-icon {
  font-size: 32px;
  margin-right: 20px;
}
.contact-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.contact-label {
  font-size: 18px;
  font-weight: bold;
  color: #333;
  margin-bottom: 4px;
}
.contact-detail {
  font-size: 13px;
  color: #666;
}

/* スマホ */
@media (max-width: 600px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .contact-card {
    padding: 20px;
  }
}
/* ========================================
     プラン変更セクション
  ======================================== */
.plan-change-section {
  padding: 0 20px;
  margin: 0 auto;
  max-width: 1200px;
}

.plan-change-container {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 60%, #0f3460 100%);
  border-radius: 16px;
  padding: 40px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
}

/* 背景の装飾円 */
.plan-change-container::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255, 140, 26, 0.08);
  pointer-events: none;
}

.plan-change-container::after {
  content: "";
  position: absolute;
  bottom: -80px;
  left: 30%;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 140, 26, 0.05);
  pointer-events: none;
}

/* 左：テキスト情報 */
.plan-info {
  flex: 1;
  position: relative;
  z-index: 1;
}

.plan-label {
  display: inline-block;
  background: rgba(255, 140, 26, 0.2);
  color: var(--primary-orange);
  font-size: 12px;
  font-weight: bold;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
  border: 1px solid rgba(255, 140, 26, 0.4);
  letter-spacing: 0.5px;
}

.plan-info h3 {
  font-size: 22px;
  font-weight: bold;
  color: #ffffff;
  margin: 0 0 12px;
  line-height: 1.4;
}

.plan-info p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
  margin: 0;
}

/* 年間バッジ（NEW） */
.annual-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #ff6b00, #ff8c1a);
  color: #fff;
  font-size: 13px;
  font-weight: bold;
  padding: 8px 16px;
  border-radius: 8px;
  margin-top: 18px;
  box-shadow: 0 4px 12px rgba(255, 140, 26, 0.4);
  line-height: 1.4;
}

.annual-badge .badge-icon {
  font-size: 16px;
  flex-shrink: 0;
}

.annual-badge .badge-sub {
  font-size: 11px;
  font-weight: normal;
  opacity: 0.9;
  display: block;
}

/* 右：ボタングループ */
.plan-action {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

/* 申請ボタン */
.btn-plan-change {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #ff6b00, #ff8c1a);
  color: #fff;
  font-size: 15px;
  font-weight: bold;
  padding: 14px 28px;
  border-radius: 50px;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(255, 140, 26, 0.45);
  transition: all 0.3s ease;
}

.btn-plan-change:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 140, 26, 0.55);
  background: linear-gradient(135deg, #e55e00, #ff7a00);
}

.arrow-white {
  font-size: 18px;
  line-height: 1;
}

/* 料金詳細ボタン（NEW） */
.btn-pricing {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: rgba(255, 255, 255, 0.75);
  font-size: 13px;
  font-weight: bold;
  padding: 10px 20px;
  border-radius: 50px;
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid rgba(255, 255, 255, 0.25);
  transition: all 0.3s ease;
}

.btn-pricing:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

.btn-pricing .arrow-sm {
  font-size: 14px;
}

.pc-only {
  display: inline;
}

/* ========================================
     レスポンシブ
  ======================================== */
@media (max-width: 860px) {
  .plan-change-container {
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 28px;
    gap: 24px;
  }

  .plan-action {
    align-items: stretch;
    width: 100%;
  }

  .btn-plan-change,
  .btn-pricing {
    justify-content: center;
    text-align: center;
  }

  .pc-only {
    display: none;
  }
}

@media (max-width: 480px) {
  .plan-change-container {
    padding: 28px 20px;
  }

  .plan-info h3 {
    font-size: 18px;
  }

  .btn-plan-change {
    font-size: 14px;
    padding: 13px 20px;
  }
}
.btn-pricing[target="_blank"]::after {
  content: " ↗"; /* ↗ や 外部サイトアイコンなどを表示 */
  font-size: 0.8em;
  opacity: 0.7;
}
/* キャンペーンセクション全体 */
.campaign-banner {
  padding: 40px 20px;
  background-color: #fff;
}
.campaign-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px;
  position: relative;
  text-align: center;
  background: linear-gradient(135deg, #fff9f0 0%, #fff2e0 100%);
  border: 2px dashed var(--primary-orange);
  border-radius: 20px;
}

/* キャンペーンバッジ */
.campaign-badge {
  display: inline-block;
  background-color: #ff4500;
  color: #fff;
  font-weight: bold;
  font-size: 14px;
  padding: 5px 20px;
  margin-bottom: 20px;
  border-radius: 50px;
  box-shadow: 0 4px 10px rgba(255, 69, 0, 0.3);
}
.campaign-container h2 {
  font-size: 26px;
  color: var(--text-color);
  margin-bottom: 20px;
  line-height: 1.4;
}
.campaign-text {
  font-size: 16px;
  color: #555;
  margin-bottom: 25px;
  line-height: 1.8;
}

/* 価格 */
.price-large {
  font-size: 42px;
  font-weight: 800;
  color: var(--primary-orange);
  margin: 0 5px;
  font-family: "Arial", sans-serif;
}
.price-unit {
  font-size: 18px;
  font-weight: bold;
  color: var(--primary-orange);
}

/* ボタン */
.btn-campaign {
  display: inline-block;
  background: linear-gradient(#ff6b00, #ff8c1a);
  color: #fff !important;
  text-decoration: none;
  padding: 15px 40px;
  border-radius: 50px;
  font-weight: bold;
  font-size: 18px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(255, 152, 0, 0.3);
}
.btn-campaign:hover {
  background-color: var(--primary-orange-dark);
  transform: scale(1.05);
}

/* PC / SP */
.pc-only {
  display: block;
}
.sp-only {
  display: none;
}

/* レスポンシブ */
@media (max-width: 768px) {
  .campaign-container {
    padding: 30px 15px;
  }
  .campaign-container h2 {
    font-size: 20px;
  }
  .price-large {
    font-size: 32px;
  }
  .pc-only {
    display: none;
  }
  .sp-only {
    display: block;
  }
  .btn-campaign {
    font-size: 16px;
    padding: 12px 25px;
    width: 100%;
    box-sizing: border-box;
  }
}
/* =========================================
   スマホ固定 LINE バナー
   ========================================= */

/* PC では非表示 */
.sns-fixed-line {
  display: none;
}

/* スマホのみ表示 */
@media (max-width: 768px) {
  .sns-fixed-line {
    display: block;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 9999;
    /* 下に安全領域（iPhoneのホームバー対応） */
    padding-bottom: env(safe-area-inset-bottom);
    background-color: #06c755; /* LINE グリーン */
    box-shadow: 0 -3px 10px rgba(0, 0, 0, 0.15);
  }

  .sns-fixed-line__link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 20px;
    text-decoration: none;
    color: #fff;
  }

  .sns-fixed-line__icon {
    width: 30px;
    height: 30px;
    flex-shrink: 0;
  }

  .sns-fixed-line__text {
    font-size: 1rem;
    font-weight: bold;
    letter-spacing: 0.05em;
  }

  .sns-fixed-line__arrow {
    font-size: 1.4rem;
    font-weight: bold;
    margin-left: 4px;
    line-height: 1;
  }
}