@charset "UTF-8";
/* CSS INFORMATION -====================================================
File name : backnumber.css
Description : バックナンバー
===================================================================== */
/* =====================================================================
    backnumber
======================================================================*/
.backnumber {
  position: relative;
  width: 100%;
  padding: 0;
}
.backnumber .inner {
  width: 90.6666666667%;
}
@media screen and (min-width: 768px) {
  .backnumber .inner {
    width: 75%;
    max-width: 1200px;
  }
}
.backnumber .sec_ttl {
  position: relative;
  margin: 0 0 0 calc(50% - 52vw);
  font-size: 17rem;
  line-height: 0.7;
  text-align: left;
  letter-spacing: -0.02em;
}
@media screen and (min-width: 768px) {
  .backnumber .sec_ttl {
    margin: 0 0 0 calc(50% - 51.3vw);
    font-size: 26rem;
  }
}
.backnumber_column {
  position: relative;
  width: 100%;
  padding: 10rem 0 26rem 0;
}
@media screen and (min-width: 768px) {
  .backnumber_column {
    padding: 5rem 0 18rem 0;
  }
}
.backnumber_list {
  position: relative;
  width: 100%;
  margin-top: -22rem;
}
@media screen and (min-width: 768px) {
  .backnumber_list {
    margin-top: -14rem;
  }
}
.backnumber_list > li {
  position: relative;
  width: 100%;
  margin-top: 22rem;
}
@media screen and (min-width: 768px) {
  .backnumber_list > li {
    margin-top: 14rem;
  }
}
.backnumber_list > li:nth-child(2n+1)::before {
  content: "";
  position: absolute;
  left: calc(50% - 50vw);
  bottom: -14rem;
  width: 100vw;
  height: calc(100% + 22rem);
  background: #e6e6e6;
  transform: skewY(170deg);
  transform-origin: center;
  z-index: -1;
}
@media screen and (min-width: 768px) {
  .backnumber_list > li:nth-child(2n+1)::before {
    bottom: -12rem;
    height: calc(100% + 14rem);
  }
}
.backnumber_item {
  position: relative;
  display: block;
  width: 100%;
}
@media screen and (min-width: 768px) {
  .backnumber_item {
    display: grid;
    align-items: center;
    justify-content: space-between;
    grid-template-columns: 60.8333333333% 30.8333333333%;
    grid-template-rows: auto auto auto;
    grid-auto-flow: row;
    grid-template-areas: "backnumber_img backnumber_subttl" "backnumber_img backnumber_date" "backnumber_img backnumber_btn";
  }
}
.backnumber_subttl {
  position: relative;
  width: 100%;
  color: #aea054;
  font-family: "Noto Serif JP", serif;
  font-size: 6.2rem;
  font-weight: 900;
  text-align: center;
}
@media screen and (min-width: 768px) {
  .backnumber_subttl {
    font-size: 5.4rem;
    grid-area: backnumber_subttl;
  }
}
.backnumber_date {
  position: relative;
  width: 100%;
  margin-top: 3.6rem;
  font-size: 6rem;
  font-weight: 900;
  text-align: center;
}
@media screen and (min-width: 768px) {
  .backnumber_date {
    margin-top: -7.2rem;
    font-size: 4.6rem;
    grid-area: backnumber_date;
  }
}
.backnumber_date > span {
  font-size: 70%;
}
.backnumber_img {
  position: relative;
  width: 100%;
  margin-top: 4.8rem;
  padding: 2rem;
}
@media screen and (min-width: 768px) {
  .backnumber_img {
    margin-top: 0;
    grid-area: backnumber_img;
  }
}
.backnumber_img::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  display: block;
  width: 100%;
  height: 100%;
  background-image: url(../images/bg_pattern4.png);
  background-repeat: repeat;
  background-position: center center;
  background-size: 90.4rem 52.6rem;
  opacity: 0.3;
  z-index: -1;
}
.backnumber_btn {
  position: relative;
  width: 91.7647058824%;
  margin: 4.8rem auto 0 auto;
}
@media screen and (min-width: 768px) {
  .backnumber_btn {
    width: 100%;
    margin: -4.8rem auto 0 auto;
    grid-area: backnumber_btn;
  }
}
.backnumber_btn > a > svg {
  transform: translateY(-50%) rotate(90deg);
}
@media screen and (min-width: 768px) {
  .backnumber_btn > a > svg {
    right: 1em;
  }
}/*# sourceMappingURL=backnumber.css.map */