* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Pretendard", sans-serif;
  background: #fff;
  color: #000;
}

/* info button */
.info-btn {
  position: fixed;
  top: 20px;
  right: 20px;
  width: 28px;
  height: 28px;
  border: 1px solid #000;
  background: #fff;
  font-size: 14px;
  cursor: pointer;
}

/* info popup */
.info-popup {
  position: fixed;
  top: 60px;
  right: 20px;
  width: 220px;
  padding: 12px;
  border: 1px solid #000;
  background: #fff;
  font-size: 12px;
  line-height: 1.5;
  display: none;
}

.info-popup.show {
  display: block;
}

/* grid layout */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 32px;
  padding: 80px 40px;
}

/* item */
.item {
  text-decoration: none;
  color: inherit;
}

.item img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: #000;
  display: block;
}

/* caption */
.caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.4;
}

/* mobile */
@media (max-width: 768px) {
  .grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 20px;
    padding: 60px 20px;
  }

  .caption {
    font-size: 12px;
  }
}