/* =======================================================
* photo
* ======================================================= */
#photo ul {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr 1fr 1fr 1fr 1fr;
  margin-bottom: 10px;
}

#photo ul li img {
  object-fit: contain;
  height: 100%;
  width: 100%;
}

.readmore {
  position: relative;
  margin: 3em auto;
  display: block;
  color: #666;
  border: none;
  outline: 0;
  cursor: pointer;
  background: none;
  letter-spacing: 0.1em;
}

.readmore:before {
  content: "";
  width: 50px;
  height: 50px;
  text-align: center;
  border-radius: 50%;
  display: block;
  margin: 0 auto .5em;
  background: var(--color-green);
  transition: .3s;
}

.readmore:after {
  font-family: "Font Awesome 5 Free";
  content: "\f078";
  font-weight: 900;
  position: absolute;
  top: 17px;
  left: 33px;
  font-size: 2rem;
  color: var(--color-white);
}

.readmore.on-click:before {
  transform: rotate(180deg);
}

.readmore .open {
  display: block;
}

.readmore.on-click .open {
  display: none;
}

.readmore .close {
  display: none;
}

.readmore.on-click .close {
  display: block;
}

.readmore.on-click::after {
  content: "\f077";
  top: 15px;
  left: 23px;
}

#photo .linkBtn {
  margin-top: 90px;
}

@media screen and (max-width:768px) {
  #photo ul {
    grid-template-columns: 1fr 1fr;
  }
}