/* トップのバナー（ホームページ側の見た目） */
.lb-area{
  /* 背景は画面幅いっぱい、中身だけ他のセクションと同じ幅にそろえる */
  padding: 20px max(16px, calc((100% - var(--maxw, 720px)) / 2)) 4px;
  display: grid;
  gap: 16px;
  background: var(--cream, #fbf6ec);
}
.lb-area[hidden], .lb-item[hidden]{ display: none !important; }
.lb-link{
  display: block;
  color: var(--ink, #1d2c5b);
  text-decoration: none;
  background: #fff;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 2px 4px rgba(29,44,91,0.06), 0 10px 24px rgba(29,44,91,0.10);
  transition: transform .15s ease, box-shadow .15s ease;
}
a.lb-link:hover{ transform: translateY(-2px); box-shadow: 0 4px 8px rgba(29,44,91,0.08), 0 16px 32px rgba(29,44,91,0.14); }
a.lb-link:active{ transform: translateY(1px); }
a.lb-link:focus-visible{ outline: 3px solid var(--coral, #ed8a6c); outline-offset: 3px; }
.lb-media{ position: relative; display: block; line-height: 0; }
.lb-img{ display: block; width: 100%; height: auto; }
.lb-title{
  display: block;
  padding: 12px 16px;
  font-family: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "Yu Gothic", system-ui, sans-serif;
  font-weight: 700;
  font-size: clamp(16px, 4.4vw, 20px);
  line-height: 1.4;
  letter-spacing: .04em;
  text-align: center;
}
a.lb-link .lb-title::after{ content: " →"; color: var(--coral, #ed8a6c); }
.lb-pos-overlay .lb-media .lb-title{
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 36px 16px 14px;
  color: #fff;
  line-height: 1.4;
  text-shadow: 0 1px 3px rgba(0,0,0,.45);
  background: linear-gradient(to top, rgba(0,0,0,.62), rgba(0,0,0,0));
}
.lb-pos-overlay .lb-media .lb-title::after{ color: #fff; }
@media (prefers-reduced-motion: reduce){
  .lb-link{ transition: none; }
  a.lb-link:hover{ transform: none; }
}
.lb-preview-note{
  max-width: var(--maxw, 720px); margin: 12px auto 0; padding: 8px 14px;
  font-size: 14px; font-weight: 700; text-align: center;
  color: #7a4b00; background: #fff4d6; border: 2px dashed #f3b945; border-radius: 10px;
}