.lower__mv {
  background-image: url(../../img/archive-equipment/mv__bg.jpg);
}

.post__common .inner {
  width: 93%;
}
/* ------------------------------------------------------------------------------------------------ */
/* main__contents */
.main__contents {
  background-color: #f6f6f6;
  padding-bottom: 180px;
}

.main__contents .inner {
  max-width: 1180px;
  width: 90%;
  margin: auto;
}

.main__contents .container {
  display: flex;
  flex-wrap: wrap;
}

.main__contents .container .item__box {
  width: 48.3%;
}

.main__contents .container .item__box:nth-child(odd) {
  margin-right: calc(100% - (48.3% * 2));
  position: relative;
}
.main__contents .container .item__box:nth-child(odd)::before {
  position: absolute;
  content: "";
  background-color: #ffffff;
  width: 200vw;
  height: 180px;
  top: 12%;
  left: -50%;
}

.main__contents .container .item__box:nth-child(n + 3) {
  margin-top: 75px;
}

.main__contents .container .item__box .post__img {
  width: 82.4%;
  margin-right: auto;
  height: 25vw;
  max-height: 350px;
  position: relative;
  z-index: 1;
  margin-top: 90px;
}

.main__contents .container .item__box .post__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.main__contents .container .item__box .post__img .post__bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  background-color: #d5040a;
  height: 100%;
  transform: rotate(2.08deg);
  transform-origin: bottom;
  z-index: -1;
  max-height: 350px;
}

.main__contents .container .item__box .text__area {
  margin-top: 60px;
}

.main__contents .container .item__box .text__area p.post__type {
  font-size: calc(14px + 6 * (100vw - 320px) / 1080);
  line-height: 1.2;
  letter-spacing: 0.08em;
}
@media screen and (min-width: 1440px) {
  .main__contents .container .item__box .text__area p.post__type {
    font-size: 20px;
  }
}

.main__contents .container .item__box .text__area p.post__detail {
  font-size: calc(13px + 3 * (100vw - 320px) / 1080);
  line-height: 1.875;
  letter-spacing: 0.04em;
  padding-top: 20px;
}
@media screen and (min-width: 1440px) {
  .main__contents .container .item__box .text__area p.post__detail {
    font-size: 16px;
  }
}

.main__contents .container .item__box .post__list {
  margin-top: 20px;
  display: flex;
}

.main__contents .container .item__box .post__list .value {
  background-color: #d9d9d9;
  padding: 20px 30px;
  display: grid;
  place-items: center;
  font-size: calc(12px + 2 * (100vw - 320px) / 1080);
  line-height: 1.4;
  letter-spacing: 0.04em;
}
@media screen and (min-width: 1440px) {
  .main__contents .container .item__box .post__list .value {
    font-size: 14px;
  }
}

.main__contents .container .item__box .post__list .key {
  background-color: #ececec;
  flex: 1;
  padding: 20px 30px;
  font-size: calc(12px + 2 * (100vw - 320px) / 1080);
  line-height: 1.4;
  letter-spacing: 0.04em;
}
@media screen and (min-width: 1440px) {
  .main__contents .container .item__box .post__list .key {
    font-size: 14px;
  }
}

.main__contents .container .item__box .post__img2 {
  margin-top: 45px;
  width: 100%;
  height: 56.14vw;
  max-height: 320px;
}
.main__contents .container .item__box .post__img2 img {
  object-fit: cover;
  width: 100%;
  height: 100%;
}
/* ------------------------------------------------------------------------------------------------ */

/* ------------------------------------------------------------------------------------------------ */
/* responsive */
@media screen and (max-width: 768px) {
  .main__contents .container {
    flex-direction: column;
  }

  .main__contents .container .item__box:nth-child(odd) {
    margin-right: unset;
  }

  .main__contents .container .item__box {
    width: 90%;
    margin-left: auto;
  }

  .main__contents .container .item__box .post__img {
    height: 50vw;
  }

  .main__contents .container .item__box:nth-child(n + 3) {
    margin-top: unset;
  }

  .main__contents .container .item__box:nth-child(n + 2) {
    margin-top: 70px;
  }
}

@media screen and (max-width: 480px) {
  .main__contents {
    padding-bottom: 100px;
  }

  .main__contents .container .item__box {
    width: 95%;
  }

  .main__contents .container .item__box .text__area {
    margin-top: 30px;
  }

  .main__contents .container .item__box .post__img {
    margin-top: 60px;
  }

  .main__contents .container .item__box .post__list .value {
    padding: 15px;
  }

  .main__contents .container .item__box .post__list .key {
    padding: 10px;
  }
}
/* ------------------------------------------------------------------------------------------------ */