@-webkit-keyframes blink_animation {
  0% {
    opacity: 0;
  }
  10% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

@keyframes blink_animation {
  0% {
    opacity: 0;
  }
  10% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

.box4-list {
  width: 100%;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-wrap: wrap;
      -ms-flex-wrap: wrap;
          flex-wrap: wrap;
  -webkit-box-pack: justify;
  -webkit-justify-content: space-between;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-transition: opacity 0.5s ease-out, -webkit-transform 0.5s cubic-bezier(0.13, 0.38, 0.12, 1);
  transition: opacity 0.5s ease-out, -webkit-transform 0.5s cubic-bezier(0.13, 0.38, 0.12, 1);
  -o-transition: opacity 0.5s ease-out, transform 0.5s cubic-bezier(0.13, 0.38, 0.12, 1);
  transition: opacity 0.5s ease-out, transform 0.5s cubic-bezier(0.13, 0.38, 0.12, 1);
  transition: opacity 0.5s ease-out, transform 0.5s cubic-bezier(0.13, 0.38, 0.12, 1), -webkit-transform 0.5s cubic-bezier(0.13, 0.38, 0.12, 1);
  -webkit-transform: translateY(5em);
      -ms-transform: translateY(5em);
          transform: translateY(5em);
  opacity: 0;
}

.box4-list.show {
  -webkit-transform: translateY(0);
      -ms-transform: translateY(0);
          transform: translateY(0);
  opacity: 1;
}

.box4-list__item {
  -webkit-box-flex: 0;
  -webkit-flex: 0 0 30.9%;
      -ms-flex: 0 0 30.9%;
          flex: 0 0 30.9%;
  background-color: #ebecef;
  border-radius: 1.9vw;
  padding: 2.77vw 0 2.8vw;
  overflow: hidden;
}

.box4-list__item.active .box4-list-bg__inner {
  background-color: #fff;
}

.box4-list__item.active .box4-list__pic img {
  -webkit-transform: scale(1.1);
      -ms-transform: scale(1.1);
          transform: scale(1.1);
}

.box4-list__item.active .box4-list-bg__line > div {
  -webkit-transition: -webkit-transform 0.05s cubic-bezier(0.16, 1, 0.3, 1);
  transition: -webkit-transform 0.05s cubic-bezier(0.16, 1, 0.3, 1);
  -o-transition: transform 0.05s cubic-bezier(0.16, 1, 0.3, 1);
  transition: transform 0.05s cubic-bezier(0.16, 1, 0.3, 1);
  transition: transform 0.05s cubic-bezier(0.16, 1, 0.3, 1), -webkit-transform 0.05s cubic-bezier(0.16, 1, 0.3, 1);
  -webkit-transform: scaleX(1);
      -ms-transform: scaleX(1);
          transform: scaleX(1);
}

.box4-list__item.active .box4-list-bg__line > div:nth-child(2) {
  -webkit-transition: -webkit-transform 0.05s cubic-bezier(0.16, 1, 0.3, 1) 0.05s;
  transition: -webkit-transform 0.05s cubic-bezier(0.16, 1, 0.3, 1) 0.05s;
  -o-transition: transform 0.05s cubic-bezier(0.16, 1, 0.3, 1) 0.05s;
  transition: transform 0.05s cubic-bezier(0.16, 1, 0.3, 1) 0.05s;
  transition: transform 0.05s cubic-bezier(0.16, 1, 0.3, 1) 0.05s, -webkit-transform 0.05s cubic-bezier(0.16, 1, 0.3, 1) 0.05s;
  -webkit-transform: scaleY(1);
      -ms-transform: scaleY(1);
          transform: scaleY(1);
}

.box4-list__item.active .box4-list-bg__line > div:nth-child(3) {
  -webkit-transition: -webkit-transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
  transition: -webkit-transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
  -o-transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) 0.1s, -webkit-transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
  -webkit-transform: scaleX(1);
      -ms-transform: scaleX(1);
          transform: scaleX(1);
}

.box4-list__item.active .box4-list-bg__line > div:nth-child(4) {
  -webkit-transition: -webkit-transform 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
  transition: -webkit-transform 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
  -o-transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.2s, -webkit-transform 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
  -webkit-transform: scaleY(1);
      -ms-transform: scaleY(1);
          transform: scaleY(1);
}

.box4-list__item.active .box4-list-bg__line > div:nth-child(5) {
  -webkit-transition: -webkit-transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.35s;
  transition: -webkit-transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.35s;
  -o-transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.35s;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.35s;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.35s, -webkit-transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.35s;
  -webkit-transform: scaleX(1);
      -ms-transform: scaleX(1);
          transform: scaleX(1);
}

.box4-list__item.active .box4-list__arrow {
  background-color: #f0642b;
}

.box4-list__item a {
  display: block;
  width: 100%;
  height: 100%;
}

.box4-list-bg__inner {
  width: calc(100% - 0.5vw);
  height: calc(100% - 0.5vw);
  position: absolute;
  left: 50%;
  top: 50%;
  border-radius: 1.7vw;
  background-color: #ebecef;
  -webkit-transition: background-color 1s ease-out;
  -o-transition: background-color 1s ease-out;
  transition: background-color 1s ease-out;
  -webkit-transform: translate(-50%, -50%);
      -ms-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
}

.box4-list-bg__line {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
}

.box4-list-bg__line > div {
  width: 50%;
  height: 1vw;
  position: absolute;
  left: 0;
  top: 0;
  -webkit-transform-origin: right center;
      -ms-transform-origin: right center;
          transform-origin: right center;
  background-color: #eb3c13;
  -webkit-transition: -webkit-transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.4s;
  transition: -webkit-transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.4s;
  -o-transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.4s;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.4s;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.4s, -webkit-transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.4s;
  -webkit-transform: scaleX(0);
      -ms-transform: scaleX(0);
          transform: scaleX(0);
}

.box4-list-bg__line > div:nth-child(2) {
  width: 1vw;
  height: 100%;
  -webkit-transform-origin: left top;
      -ms-transform-origin: left top;
          transform-origin: left top;
  -webkit-transition: -webkit-transform 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
  transition: -webkit-transform 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
  -o-transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.2s, -webkit-transform 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
  -webkit-transform: scaleY(0);
      -ms-transform: scaleY(0);
          transform: scaleY(0);
}

.box4-list-bg__line > div:nth-child(3) {
  width: 100%;
  top: auto;
  bottom: 0;
  -webkit-transform-origin: left center;
      -ms-transform-origin: left center;
          transform-origin: left center;
  -webkit-transition: -webkit-transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
  transition: -webkit-transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
  -o-transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) 0.1s, -webkit-transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
  -webkit-transform: scaleX(0);
      -ms-transform: scaleX(0);
          transform: scaleX(0);
}

.box4-list-bg__line > div:nth-child(4) {
  width: 1vw;
  height: 100%;
  left: auto;
  right: 0;
  top: 0;
  -webkit-transform-origin: center bottom;
      -ms-transform-origin: center bottom;
          transform-origin: center bottom;
  -webkit-transition: -webkit-transform 0.05s cubic-bezier(0.16, 1, 0.3, 1) 0.05s;
  transition: -webkit-transform 0.05s cubic-bezier(0.16, 1, 0.3, 1) 0.05s;
  -o-transition: transform 0.05s cubic-bezier(0.16, 1, 0.3, 1) 0.05s;
  transition: transform 0.05s cubic-bezier(0.16, 1, 0.3, 1) 0.05s;
  transition: transform 0.05s cubic-bezier(0.16, 1, 0.3, 1) 0.05s, -webkit-transform 0.05s cubic-bezier(0.16, 1, 0.3, 1) 0.05s;
  -webkit-transform: scaleY(0);
      -ms-transform: scaleY(0);
          transform: scaleY(0);
}

.box4-list-bg__line > div:nth-child(5) {
  left: auto;
  right: 0;
  -webkit-transform-origin: right center;
      -ms-transform-origin: right center;
          transform-origin: right center;
  -webkit-transition: -webkit-transform 0.05s cubic-bezier(0.16, 1, 0.3, 1);
  transition: -webkit-transform 0.05s cubic-bezier(0.16, 1, 0.3, 1);
  -o-transition: transform 0.05s cubic-bezier(0.16, 1, 0.3, 1);
  transition: transform 0.05s cubic-bezier(0.16, 1, 0.3, 1);
  transition: transform 0.05s cubic-bezier(0.16, 1, 0.3, 1), -webkit-transform 0.05s cubic-bezier(0.16, 1, 0.3, 1);
}

.box4-list__title {
  font-size: 1.62vw;
  text-align: center;
  color: #3d272b;
  font-weight: 900;
  line-height: 1.46;
  margin-bottom: 2.1vw;
}

.box4-list__pic {
  margin-bottom: 1.8vw;
}

.box4-list__pic img {
  -webkit-transition: -webkit-transform 0.5s ease-out;
  transition: -webkit-transform 0.5s ease-out;
  -o-transition: transform 0.5s ease-out;
  transition: transform 0.5s ease-out;
  transition: transform 0.5s ease-out, -webkit-transform 0.5s ease-out;
}

.box4-list-textarea {
  width: 100%;
  margin: 0 auto;
}

.box4-list-textarea p {
  font-size: 1vw;
  line-height: 1.75;
  text-align: center;
}

.box4-list__arrow {
  width: 1.88vw;
  height: 1.88vw;
  border-radius: 1.88vw;
  background-color: #3d272b;
  position: absolute;
  right: 1.4vw;
  bottom: 1.2vw;
  -webkit-transition: background-color 0.5s ease-out;
  -o-transition: background-color 0.5s ease-out;
  transition: background-color 0.5s ease-out;
}

.box4-list__arrow img {
  width: 0.57vw;
  display: block;
  position: relative;
  left: 50%;
  top: 50%;
  -webkit-transform: translate(-50%, -50%);
      -ms-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
}

@media screen and (min-width: 769px) {
  .box4-list__item:hover .box4-list-bg__inner {
    background-color: #fff;
  }
  .box4-list__item:hover .box4-list__pic img {
    -webkit-transform: scale(1.1);
        -ms-transform: scale(1.1);
            transform: scale(1.1);
  }
  .box4-list__item:hover .box4-list-bg__line > div {
    -webkit-transition: -webkit-transform 0.05s cubic-bezier(0.16, 1, 0.3, 1);
    transition: -webkit-transform 0.05s cubic-bezier(0.16, 1, 0.3, 1);
    -o-transition: transform 0.05s cubic-bezier(0.16, 1, 0.3, 1);
    transition: transform 0.05s cubic-bezier(0.16, 1, 0.3, 1);
    transition: transform 0.05s cubic-bezier(0.16, 1, 0.3, 1), -webkit-transform 0.05s cubic-bezier(0.16, 1, 0.3, 1);
    -webkit-transform: scaleX(1);
        -ms-transform: scaleX(1);
            transform: scaleX(1);
  }
  .box4-list__item:hover .box4-list-bg__line > div:nth-child(2) {
    -webkit-transition: -webkit-transform 0.05s cubic-bezier(0.16, 1, 0.3, 1) 0.05s;
    transition: -webkit-transform 0.05s cubic-bezier(0.16, 1, 0.3, 1) 0.05s;
    -o-transition: transform 0.05s cubic-bezier(0.16, 1, 0.3, 1) 0.05s;
    transition: transform 0.05s cubic-bezier(0.16, 1, 0.3, 1) 0.05s;
    transition: transform 0.05s cubic-bezier(0.16, 1, 0.3, 1) 0.05s, -webkit-transform 0.05s cubic-bezier(0.16, 1, 0.3, 1) 0.05s;
    -webkit-transform: scaleY(1);
        -ms-transform: scaleY(1);
            transform: scaleY(1);
  }
  .box4-list__item:hover .box4-list-bg__line > div:nth-child(3) {
    -webkit-transition: -webkit-transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
    transition: -webkit-transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
    -o-transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) 0.1s, -webkit-transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
    -webkit-transform: scaleX(1);
        -ms-transform: scaleX(1);
            transform: scaleX(1);
  }
  .box4-list__item:hover .box4-list-bg__line > div:nth-child(4) {
    -webkit-transition: -webkit-transform 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
    transition: -webkit-transform 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
    -o-transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.2s, -webkit-transform 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
    -webkit-transform: scaleY(1);
        -ms-transform: scaleY(1);
            transform: scaleY(1);
  }
  .box4-list__item:hover .box4-list-bg__line > div:nth-child(5) {
    -webkit-transition: -webkit-transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.35s;
    transition: -webkit-transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.35s;
    -o-transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.35s;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.35s;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.35s, -webkit-transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.35s;
    -webkit-transform: scaleX(1);
        -ms-transform: scaleX(1);
            transform: scaleX(1);
  }
  .box4-list__item:hover .box4-list__arrow {
    background-color: #f0642b;
  }
}

@media screen and (max-width: 768px) {
  .main-contents {
    padding-bottom: 20.3vw;
  }
  .box4-list__item {
    -webkit-box-flex: 0;
    -webkit-flex: 0 0 100%;
        -ms-flex: 0 0 100%;
            flex: 0 0 100%;
    border-radius: 3.5vw;
    padding-top: 4.6vw;
    margin-bottom: 4.1vw;
    overflow: hidden;
  }
  .box4-list__item:nth-child(2) .box4-list__pic {
    width: 51.5%;
    left: -4.6%;
  }
  .box4-list__item:last-child {
    margin-bottom: 0;
  }
  .box4-list__item:last-child .box4-list__pic {
    width: 52%;
    left: -2.2%;
  }
  .box4-list-bg__inner {
    width: calc(100% - 2vw);
    height: calc(100% - 2vw);
    border-radius: 3vw;
  }
  .box4-list-bg__line > div {
    height: 2vw;
  }
  .box4-list-bg__line > div:nth-child(2) {
    width: 2vw;
  }
  .box4-list-bg__line > div:nth-child(4) {
    width: 2vw;
  }
  .box4-list__title {
    font-size: 4.55vw;
    letter-spacing: -0.075em;
    margin-bottom: 3.3vw;
  }
  .box4-list__pic {
    width: 52%;
    left: -2.3%;
    margin-bottom: 1.3vw;
  }
  .box4-list-textarea {
    width: 53%;
    position: absolute;
    right: 6%;
    top: 61%;
    -webkit-transform: translateY(-50%);
        -ms-transform: translateY(-50%);
            transform: translateY(-50%);
  }
  .box4-list-textarea p {
    font-size: 3.7vw;
    line-height: 1.57;
    text-align: justify;
    letter-spacing: -0.05em;
  }
  .box4-list__arrow {
    width: 5.6vw;
    height: 5.6vw;
    border-radius: 5.6vw;
    right: 2.6vw;
    bottom: 2.7vw;
  }
  .box4-list__arrow img {
    width: 1.6vw;
  }
}
/*# sourceMappingURL=refractories_inner.css.map */