#load-more {
  float: right;
  display: inline-block;
  padding: 0 5px;
  margin: 30px 2% 0 0;
  background: #eee;
  border: none;
  border-radius: 5px;
  /*background-image: linear-gradient( to bottom, hsla(0, 0%, 0%, 0), hsla(0, 0%, 0%, 0.2) );*/
  color: #222;
  font-family: ;
  font-size: 1.5em;
  /*text-shadow: 0 1px white;*/
  cursor: pointer;
}
#load-more:hover {
  background-color: #d50000;
  color: #fff;
}

.hidden {
  visibility: hidden;
  width: 0px !important;
  height: 0px !important;
  margin: 0px !important;
  padding: 0px !important;
  display: none;
}

*:focus {
  outline: none;
}

* {
  box-sizing: border-box;
}

/* ---- button ---- */

.button {
  display: inline-block;
  padding: 0 5px;
  margin-bottom: 5px;
  background: #eee;
  border: none;
  border-radius: 5px;
  /*background-image: linear-gradient( to bottom, hsla(0, 0%, 0%, 0), hsla(0, 0%, 0%, 0.2) );*/
  color: #222;
  font-family: ;
  font-size: 0.9em;
  /*text-shadow: 0 1px white;*/
  cursor: pointer;
}

.button:hover {
  background-color: #8c7a49;
  /*text-shadow: 0 1px hsla(0, 0%, 100%, 0.5);*/
  color: #fff;
}

.button:active,
.button.is-checked {
  background-color: #000;
}

.button.is-checked {
  color: white;
  /*text-shadow: 0 -1px hsla(0, 0%, 0%, 0.8);*/
}

.button:active {
  /*box-shadow: inset 0 1px 10px hsla(0, 0%, 0%, 0.8);*/
}

/* ---- button-group ---- */

.button-group:after {
  content: "";
  display: block;
  clear: both;
}

.button-group .button {
  float: left;
  border-radius: 0;
  margin-left: 0;
  margin-right: 5px;
  border-radius: 0.5em;
}

/*
.button-group .button:first-child { border-radius: 0.5em 0 0 0.5em; }
.button-group .button:last-child { border-radius: 0 0.5em 0.5em 0; }
*/

/* ---- isotope ---- */

.grid {
  border: none;
}

/* clear fix */
.grid:after {
  content: "";
  display: block;
  clear: both;
}

/* ---- .element-item ---- */

.element-item {
  position: relative;
  float: left;
  width: 96%;
  margin: 2%;
  padding-bottom: 24px;
  background: #fff;
  color: #262524;
  box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.16), 0 2px 10px 0 rgba(0, 0, 0, 0.12);
  text-align: left !important;
}
@media only screen and (min-width: 321px) {
  .element-item {
    width: 46%;
    margin: 2%;
  }
}
@media only screen and (min-width: 768px) {
  .element-item {
    width: 29.3333%;
    height: ;
    margin: 2%;
  }
}
@media only screen and (min-width: 1025px) {
  .element-item {
    width: 29.3333%;
    height: ;
    margin: 2%;
  }
}

.element-item > * {
  margin: 0;
  padding: 0;
}

.element-item .banner {
  position: relative;
  left: 0;
  top: 0;
}
.element-item .date {
  position: relative;
  margin: 5px 10px 0 10px;
  font-size: 0.8em;
}
.element-item .title {
  position: relative;
  margin: 5px 10px 0 10px;
  text-transform: none;
  letter-spacing: 0;
  font-size: 1em;
  line-height: 1.4;
  font-weight: bold;
  text-decoration: underline;
}
.element-item .caption {
  position: relative;
  margin: 5px 10px 0 10px;
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.9em;
  line-height: 1.4;
  font-weight: normal;
}
.element-item .symbol {
  position: absolute;
  left: 0;
  top: 0;
  font-family: "Bahagia", sans-serif;
  font-size: 30px;
  font-weight: normal;
  color: white;
  text-shadow: -2px -2px 2px rgba(0, 0, 0, 0.5), 2px 2px 2px rgba(0, 0, 0, 0.5);
}
.element-item .symbol::before {
  content: "";
  top: 0;
  left: 0;
  border-bottom: 2em solid transparent;
  border-left: 2em solid rgba(255, 0, 0, 0.6); /* ラベルの色はここで変更 */
  position: absolute;
  z-index: 100;
}
.element-item .symbol::after {
  content: "New!";
  display: block;
  top: 5px;
  transform: rotate(-45deg);
  color: #fff; /* 文字色はここで変更 */
  left: 0;
  position: absolute;
  z-index: 101;
}

.element-item .link {
  position: absolute;
  right: 10px;
  bottom: 8px;
  font-size: 18px;
  font-weight: normal;
  color: white;
  text-shadow: -1px -1px 2px rgba(0, 0, 0, 0.3), 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.element-item .name {
  position: relative;

  left: 10px;
  top: 60px;
  text-transform: none;
  letter-spacing: 0;
  font-size: 12px;
  font-weight: normal;
}

.element-item .number {
  position: relative;
  right: 8px;
  top: 5px;
}

.element-item .weight {
  position: relative;
  left: 10px;
  top: 76px;
  font-size: 12px;
}

.element-item.alkali {
  background: #f00;
  background: hsl(0, 100%, 50%);
}
.element-item.alkaline-earth {
  background: #f80;
  background: hsl(36, 100%, 50%);
}
.element-item.lanthanoid {
  background: #ff0;
  background: hsl(72, 100%, 50%);
}
.element-item.actinoid {
  background: #0f0;
  background: hsl(108, 100%, 50%);
}
.element-item.transition {
  background: #0f8;
  background: hsl(144, 100%, 50%);
}
.element-item.post-transition {
  background: #0ff;
  background: hsl(180, 100%, 50%);
}
.element-item.metalloid {
  background: #08f;
  background: hsl(216, 100%, 50%);
}
.element-item.diatomic {
  background: #00f;
  background: hsl(252, 100%, 50%);
}
.element-item.halogen {
  background: #f0f;
  background: hsl(288, 100%, 50%);
}
.element-item.noble-gas {
  background: #f08;
  background: hsl(324, 100%, 50%);
}
