@charset "utf-8";
@import url(common.css);

#archiveList {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
  background: transparent;
  border: 0;
  outline: 0;
  box-shadow: none;
  filter: none;
  backdrop-filter: none;
}

.activity-Card {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  background: rgb(24, 28, 30);
  transition:
    background-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.activity-Card:hover {
  background: rgb(18, 60, 58);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.35);
  transform: translateY(-2px);
}

.activity-Card a {
  display: block;
  color: inherit;
  text-decoration: none;
}

.activity-Card-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
}

.activity-Card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;

  /* 追加 */
  transition:
    transform 0.28s ease,
    filter 0.28s ease;
  transform: scale(1);
  will-change: transform;
}

.activity-Card:hover .activity-Card-img img {
  /* サムネ画像だけ拡大 */
  transform: scale(1.08);
  filter: brightness(1.08);
}

.activity-Card-text {
  padding: 12px;
}

.activity-Card-text time {
  display: block;
  margin-bottom: 8px;
  color: #4fa3a5;
  font-size: 12px;
  opacity: 0.75;
}

.activity-Card-text p {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
}

.loadMoreBtn {
  display: block;
  width: clamp(160px, 30vw, 250px);
  margin: 20px auto;
}

.loadMoreBtn img {
  width: 100%;
  height: auto;
  display: block;
  transition:
    transform 0.2s ease,
    opacity 0.2s ease;
}

.loadMoreBtn:hover img {
  transform: translateY(-2px) scale(1.02);
  opacity: 0.92;
}

#app .header,
.containar .header {
  width: 100%;
  margin: 0;
  padding: 44px var(--side) 34px;
  text-align: center;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.03),
    rgba(255, 255, 255, 0.02)
  );
  border-top: 1px solid rgba(230, 232, 234, 0.1);
  border-bottom: 1px solid rgba(230, 232, 234, 0.1);
  backdrop-filter: blur(2px);
}

#app .header h1,
.containar .header h1 {
  margin: 0 0 8px;
  font-size: clamp(28px, 3.2vw, 44px);
  letter-spacing: 0.06em;
  font-weight: 1000;
}

#app .top,
.containar .top {
  width: 120px;
  margin: 10px 20px 10px auto;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  position: relative;
  z-index: 2;
}

#app .top a,
.containar .top a {
  width: 120px;
  display: inline-flex;
  justify-content: flex-end;
  align-items: center;
}

#app .top img,
.containar .top img {
  width: 120px;
  height: auto;
  display: block;
  transition:
    transform 0.2s ease,
    opacity 0.2s ease;
}

.top a:hover img[src*="IMG/TOP.png"] {
  transform: translateY(-2px) scale(1.06);
  opacity: 0.9;
}

ul .noneli {
  display: none;
}

@media (max-width: 900px) {
  #archiveList {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    padding: 20px;
  }
}

@media (max-width: 520px) {
  #archiveList {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 16px;
  }

  .activity-Card-text {
    padding: 12px 14px;
  }

  .activity-Card-text p {
    font-size: 13px;
  }
}
