/* レイアウトスタイル */

/* ヘッダー */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-index-header);
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* フッター */
.footer {
  position: relative;
  min-height: 60vh;
  background-color: transparent;
  color: var(--color-bg);
  padding: 0;
  overflow: hidden;
  text-align: center;
}

.footer .parallax-bg {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: -1;
}

.footer-content {
  position: relative;
  z-index: 1;
  background-color: transparent;
  padding: var(--section-space-y) 0;
  min-height: 60vh;
}

.footer-banners {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--spacing-md);
  margin: 0 auto var(--spacing-xl);
  padding: var(--spacing-xl);
  background-color: #FFFFFF;
  border-radius: 8px;
  max-width: var(--container-max-width);
}

.footer-banner {
  display: block;
  max-width: 240px;
  width: 100%;
  transition: opacity var(--transition-base);
}

.footer-banner:nth-child(7) {
  grid-column: 1 / -1;
  justify-self: center;
  max-width: 240px;
}

.footer-banner:hover {
  opacity: 0.9;
}

.footer-banner img {
  width: 100%;
  height: auto;
  max-height: 240px;
  object-fit: contain;
}

.footer-logo {
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.footer-logo a {
  display: inline-block;
  text-decoration: none;
}

.footer-logo img {
  max-width: 420px;
  width: auto;
  height: auto;
}

@media (max-width: 767px) {
  .footer {
    min-height: auto;
  }
  
  .footer-content {
    min-height: auto;
  }
  
  .footer-logo img {
    max-width: 70vw;
  }
  
  .footer-banners {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
  }
  
  .footer-banner {
    max-width: 180px;
  }
}

@media (max-width: 480px) {
  .footer-banners {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* フッター下部 */
.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  margin-top: var(--spacing-lg);
}

.footer-copyright {
  color: #FFFFFF;
  font-size: var(--font-size-small);
  margin-bottom: var(--spacing-sm);
}

.footer-nav {
  display: flex;
  justify-content: center;
}

.footer-nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-md);
}

.footer-nav-item {
  margin: 0;
}

.footer-nav-link {
  color: #FFFFFF;
  font-size: var(--font-size-small);
  text-decoration: none;
  transition: all var(--transition-base);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 4px;
}

.footer-nav-link:hover {
  color: #FFFFFF;
  background-color: rgba(255, 255, 255, 0.1);
}

.footer-nav-link:focus {
  outline: 2px solid #FFFFFF;
  outline-offset: 2px;
}