.grid-item {
  margin: 0 0 20px 0;
}
.grid-item a {
  display: block;
  font-weight: normal;
  font-size: 12px;
}
.grid-item figure {
  display: block;
  position: relative;
  margin: 0;
}

img {
  max-width: 100%;
  width: 100%;
  height: auto;
  vertical-align: bottom;
}
a {
  text-decoration: none;
  color: #000;
  font-weight: bold;
}

.water_mark_square {
  margin: auto;
  position: absolute;
  width: 60px;
  height: 60px;
  background-color: rgba(34, 34, 34, 0.5);
  border-radius: 5px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.water_mark_square::before {
  content: "";
  position: absolute !important;
  top: 21%;
  left: 32%;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 17px 0 17px 29.4px;
  border-color: transparent transparent transparent #ffffff;
  line-height: 0px;
}

.modal-wrap {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 200;
  width: 100%;
  height: 100vh;
  display: none;
  justify-content: center;
  align-items: center;
  background: rgba(0, 0, 0, 0.7);
}
.modal-wrap.shown {
  display: flex;
}
.modal-panel {
  width: 80%;
  /* width: calc(100% - calc(10/750 * 100vw)); */
  max-width: 1280px;
  position: relative;
}
.modal-frame {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
}
.modal-frame iframe {
  display: none;
  position: absolute;
  top: 0;
  right: 0;
  width: 100% !important;
  height: 100% !important;
}
.modal-close {
  display: block;
  width: calc(64 / 750 * 100vw);
  height: calc(84 / 750 * 100vw);
  border: none;
  background: url(../img/index/icon_close.svg) no-repeat center;
  background-size: contain;
  white-space: nowrap;
  text-indent: 140%;
  overflow: hidden;
  margin: 0 0 calc(10 / 750 * 100vw) auto;
  padding: 0;
  z-index: 10;
}
@media screen and (min-width: 960px) {
  .modal-close {
    width: 44px;
    height: 64px;
    position: absolute;
    top: -25px;
    right: -60px;
    cursor: pointer;
    margin-bottom: 10px;
  }
  .modal-panel {
    max-width: 710px;
    height: 400px;
    position: relative;
  }
}