#air--wrapper .air_h201 {
  letter-spacing: 0.2em;
}

@media (min-width: 769px) {
  #air--wrapper .air_h201 {
    font-size: 30px;
  }
  #air--wrapper .air_box {
    align-items: flex-end;
  }
  #air--wrapper .air_bgbox01 {
    background: url(../../../../../img/usr/goods/air/si/2024/air-si_det-bg01.jpg) no-repeat center;
  }
  #air--wrapper .det_box04 {
    padding: 0;
  }
  #air--wrapper .air_bgbox02 {
    background: url(../../../../../img/usr/goods/air/si/2024/air-si_det-bg02.jpg) no-repeat center;
  }
  #air--wrapper .air_bgbox03 {
    margin-top: 100px;
    background: url(../../../../../img/usr/goods/air/si/2024/air-si_det-bg03.jpg) no-repeat center;
  }
  #air--wrapper .air_bgbox03 .det_box04 {
    margin-bottom: 70px;
  }
}

.det_box01 figcaption {
  margin-top: 5px;
  text-align: right;
}

.air_p03_03 + .note {
  text-align: right;
}

@media (max-width: 768px) {
  #air--wrapper .air_bgbox04 .air_h303 {
    margin-top: calc(50 / 750 * 100vw);
  }
  #air--wrapper .air_bgbox04 .air_h303 img {
    display: block;
    margin: 0 auto calc(20 / 750 * 100vw);
    width: calc(118 / 750 * 100vw);
  }
}

@media (min-width: 769px) {
  .air_bgbox04 .det_box07 {
    margin: 0 auto;
    width: 860px;
  }
  #air--wrapper .air_bgbox04 .det_box07 .air_h303 {
    margin-bottom: 30px;
  }
}

.hardness-use_box {
  background-color: unset;
  color: unset;
}

@media (min-width: 769px) {
  .hardness-use_box {
    margin-top: 140px;
    border: 1px solid #fff;
  }
}

.hardness-use_box .title {
  position: relative;
  margin: 0 auto 25px;
  padding: 5px 0;
  font-size: 14px;
  font-weight: bold;
  text-align: center;
  background-color: unset;
}

@media (min-width: 769px) {
  .hardness-use_box .title {
    width: 400px;
  }
}

.hardness-use_box .title::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 1px solid #fff;
  transform: skew(-25deg);
  content: '';
}

.hardness-use_box .text {
  flex: 1;
}

@media (min-width: 769px) {
  .hardness-use_box .image {
    width: 428px;
  }
}

.hardness-use_box .note {
  margin-top: 0;
}

.hardness-use_box .note span {
  width: 50px;
  height: 50px;
  background-color: #b25260;
}

@media (max-width: 768px) {
  .hardness-use_box .note span {
    margin-right: 20px;
  }
}

@media (min-width: 769px) {
  .hardness-use_box .text img {
    width: 276px;
  }
}

.hardness-use_box .use_item div:first-child {
  margin-right: 50px;
}

.hardness-use_box .use_item div:nth-child(2) {
  flex: 1;
}

.hardness-use_box .note {
  text-align: left;
}

.hardness-use_box .note,
.hardness-use_box .use_item .note {
  background-color: unset;
}

.hardness-use_box .use_item img {
  margin-right: 0;
}

@media (max-width: 768px) {
  .hardness-use_box .use_item img + p {
    margin-top: 5px;
    font-size: 13px;
  }
}

.hardness-use_box .text {
  width: auto;
}

.section-movie {
  background-color: #373737;
  text-align: center;
}

@media (min-width: 769px) {
  .section-movie {
    padding: 70px 0 100px;
  }
}

@media (max-width: 768px) {
  .section-movie {
    padding: calc(40*(100vw / 750)) calc(45*(100vw / 750)) calc(100*(100vw / 750));
  }
}

#air--wrapper .section-movie .title {
  margin-bottom: 20px;
  font-size: 20px;
  font-weight: bold;
  letter-spacing: .02em;
}

.section-movie .item:not(:last-child) {
  margin-bottom: 40px;
}

#video_wrapper2 .video_wrapper {
  margin: 0 auto;
  width: 100%;
}

@media (min-width: 769px) {
  #video_wrapper2 .video_wrapper {
    width: 828px;
  }
}

#video_wrapper2 .video iframe {
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 565;
}