@charset "utf-8";

.c-ground-01 {
  padding: 0;
}

.contents {
  margin: 54px;
}

@media only screen and (max-width: 640px){
  .contents {
  margin: 16px 10px;
  }
}

/* ========== category ========== */
.c-category-01 {
  display:-webkit-box;
  display:-ms-flexbox;
  display:flex;
  flex-wrap: wrap;
  padding-left: 0;
  margin-top: 3em;
  margin-bottom: -10px;
}
.c-category-01 .c-category-item {
  list-style: none;
  background-color: #e6e6e6;
  color: #535252;
  border-radius: 4px;
  font-size: 14px;
  font-weight: bold;
  text-align: center;
  padding: 7px 10px;
  margin-bottom: 10px;
}
.c-category-01 .c-category-item:not(:last-child) {
  margin-right: 10px;
}

.cpn-banner {
  margin-top: 14px;
}
@media only screen and (max-width: 640px){
  .c-category-01 {
    margin-top: calc(30/640*100%);
  }
  .c-category-01 .c-category-item {
    font-size: 10px;
  }
  .cpn-banner {
    margin-top: calc(20/640*100%);
  }
}

.contents_inner {
  border: 2px solid #47a3ec;
  position: relative;
}
.contents_inner:before, .contents_inner:after {
  position: absolute;
  content: "";
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: calc( 118 / 868 * 100% );
}
@media only screen and (min-width: 641px) {
  .contents_inner {
    padding: 68px 20px;
  }
  .contents_inner:before {
    background: url(/announcement/app/img/2023_winter/img_01_pc.png) center / contain no-repeat;
    top: -9.5%;
  }
  .contents_inner:after {
    background: url(/announcement/app/img/2023_winter/img_02_pc.png) center / contain no-repeat;
    bottom: -10%;
  }
}
@media only screen and (max-width: 640px) {
  .contents_inner {
    padding: 40px 10px;
  }
  .contents_inner:before {
    background: url(/announcement/app/img/2023_winter/img_01_sp.png) center / contain no-repeat;
    top: -9%;
  }
  .contents_inner:after {
    background: url(/announcement/app/img/2023_winter/img_02_sp.png) center / contain no-repeat;
    bottom: -9%;
  }
}