/* ui-basic.css */
/* 基本的なUI要素のスタイル */

/* スライダーインジケーター */
.slider-indicator {
  display: flex;
  justify-content: center;
  gap: var(--spacing-small);
  margin-top: var(--spacing-medium);
}

.slider-indicator__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-light-gray);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.slider-indicator__dot.is-active {
  background-color: var(--color-secondary);
}

/* ボタン */
.btn {
  display: inline-block;
  padding: var(--spacing-medium) var(--spacing-large);
  border-radius: 50px;
  font-weight: bold;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-small);
  background-color: var(--color-secondary); /* 押した時の色をゴールドに */
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: #3A6B96; /* Darken the primary color */
  color: var(--color-white);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-text);
}

.btn-secondary:hover {
  background-color: #BFA27D; /* Darken the secondary color */
  color: var(--color-text);
}

/* ヘッダーボタン */
.header-btn {
  color: white !important;
}

/* キャンペーンバナー */
.campaign-banner {
  padding: var(--spacing-medium) 0;
  background-color: var(--color-light-gray);
}

.campaign-banner__image {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  border-radius: var(--border-radius);
}

.campaign-banner__img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--border-radius);
}

/* スライダーナビゲーション */
.slider-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: calc(100% - 40px);
  left: 20px;
  display: flex;
  justify-content: space-between;
  padding: 0;
  pointer-events: none;
  z-index: 10;
}

.slider-nav__btn {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-circle);
  background-color: var(--color-white);
  box-shadow: var(--shadow-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  pointer-events: auto;
  border: none;
  position: relative;
  transition: background-color var(--transition-fast);
}

.slider-nav__btn:active {
  background-color: var(--color-secondary);
}

.slider-nav__btn::before {
  content: '';
  width: 10px;
  height: 10px;
  border-top: 2px solid var(--color-text);
  border-right: 2px solid var(--color-text);
  position: absolute;
}

.slider-nav__btn--prev::before {
  transform: rotate(-135deg);
  left: 16px;
}

.slider-nav__btn--next::before {
  transform: rotate(45deg);
  left: 14px;
}

/* フッターリンク */
.footer__links-container {
  width: 100%;
  display: flex;
  justify-content: center;
  margin: var(--spacing-medium) 0;
}

.footer__links {
  width: 80%;
  max-width: 500px;
  display: flex;
  flex-direction: column;
  align-items: flex-start; /* 左寄せ */
  gap: var(--spacing-small);
}

.footer__link {
  color: var(--color-white);
  opacity: 0.8;
  transition: opacity var(--transition-fast);
  font-size: 80%; /* フォントサイズを50%から80%に拡大 */
  display: block;
  padding: 4px 0;
  position: relative;
}

.footer__link:hover {
  opacity: 1;
}

/* TOPへ戻るボタン */
.back-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top__btn {
  width: 70px;
  height: 35px;
  border-radius: 4px;
  background-color: rgba(255, 255, 255, 0.8); /* 半透明の白 */
  color: var(--color-text); /* 文字色を黒に変更 */
  font-size: 11px; /* 小さいフォントサイズ */
  font-weight: normal; /* フォントの太さを通常に */
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-small);
  transition: transform 0.3s, background-color 0.3s;
}

.back-to-top__btn:hover {
  transform: translateY(-3px);
  background-color: rgba(255, 255, 255, 0.95);
}

.back-to-top__btn:active {
  transform: translateY(0);
}