header {
  margin-bottom: 2rem;
}
header h1 {
  font-size: 38px;
  font-weight: normal;
  letter-spacing: 0.01em;
}
.grid {
  display: flex;
  gap: 2rem;
  justify-content: flex-start;
  flex-wrap: nowrap;
}
.item a {
  text-decoration: none;
  color: #aaa;
}
.img-frame {
  width: 260px;
  height: 260px;
  overflow: hidden;
  border: 1.5px solid #aaa;
}
.img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(100%);
  opacity: 0.88;
  transition: opacity 0.3s ease;
}
.img-frame img:hover {
  opacity: 1;
}
.caption {
  margin-top: 0.6rem;
  font-size: 13px;
  color: #aaa;
  letter-spacing: 0.04em;
}
.about-section {
  margin-top: 0.2rem;
  width: 100%;
}
.about-toggle {
  font-size: 14px;
  color: #888;
  letter-spacing: 0.08em;
  cursor: pointer;
  display: inline-block;
  text-decoration: none;
  font-family: 'IM Fell English', serif;
}
.about-toggle:hover {
  color: #1a1a1a;
}
.about-text {
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.4s ease, visibility 0.4s ease;
  margin-top: 1rem;
  font-size: 15px;
  color: #888;
  line-height: 1.8;
  max-width: 540px;
}
.about-text.open {
  visibility: visible;
  opacity: 1;
}
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding-left: 4rem;
}
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.img-frame {
  width: 100%;
  height: 200px;
  overflow: hidden;
  border: 1.5px solid #aaa;
}
.img-frame {
  width: 100%;
  aspect-ratio: 1 / 1;
  height: auto;
  overflow: hidden;
  border: 1.5px solid #aaa;
}