.links {
  width: calc(100% - 100px);
  max-width: 1600px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}
@media (max-width: 767px) {
  .links {
    width: 92vw;
  }
}
.links a {
  text-align: center;
  border-bottom: 1px solid #000;
  line-height: 54px;
  font-size: 1.6rem;
  font-family: var(--ff-shippri);
}
@media (max-width: 767px) {
  .links a {
    font-size: 1.4rem;
  }
}
.links a:not(.is-active) {
  color: #999;
  border-bottom-color: #ddd;
}
@media (hover: hover) and (min-width: 1000px) {
  .links a:hover {
    color: #333;
  }
}

.workslist {
  margin-top: 80px;
}
@media (max-width: 767px) {
  .workslist {
    margin-top: 10.6666666667vw;
  }
}
.workslist__selects {
  width: 1200px;
  margin: 0 auto;
  background-color: #f5f5f5;
  padding: 30px 50px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
@media (max-width: 767px) {
  .workslist__selects {
    width: 92vw;
    padding: 4vw 6.6666666667vw;
    gap: 2.6666666667vw;
    grid-template-columns: 1fr;
  }
}
.workslist__select {
  position: relative;
}
.workslist__select::after {
  content: "";
  background: url(../images/common/select.webp) center/contain no-repeat;
  background-image: -webkit-image-set(url(../images/common/select.webp) 1x, url(../images/common/select@2x.webp) 2x);
  background-image: image-set(url(../images/common/select.webp) 1x, url(../images/common/select@2x.webp) 2x);
  width: 16px;
  height: 9px;
  position: absolute;
  right: 30px;
  top: 50%;
  translate: 0 -50%;
  pointer-events: none;
}
@media (max-width: 767px) {
  .workslist__select::after {
    right: 4vw;
  }
}
.workslist__select select {
  background-color: #fff;
  border: none;
}
.workslist__wrap {
  width: calc(100% - 100px);
  max-width: 1600px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 80px;
  margin-top: 110px;
}
@media (max-width: 767px) {
  .workslist__wrap {
    width: 92vw;
    grid-template-columns: repeat(2, 1fr);
    gap: 5.3333333333vw;
  }
}
.workslist__item {
  position: relative;
}
@media (hover: hover) and (min-width: 1000px) {
  .workslist__item img {
    transition: scale var(--speed) ease-out;
  }
  .workslist__item .workslist__title a {
    transition: color var(--speed) ease-out;
  }
  .workslist__item:hover img {
    scale: 1.05;
  }
  .workslist__item:hover .workslist__title a {
    color: #999;
  }
  .workslist__item .workslist__lists a:hover {
    text-decoration: none;
  }
}
.workslist__tag {
  background-color: #333;
  color: #fff;
  width: 30px;
  height: 100px;
  writing-mode: vertical-rl;
  text-orientation: upright;
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  right: 10px;
  top: -10px;
  pointer-events: none;
  z-index: 2;
}
@media (max-width: 767px) {
  .workslist__tag {
    font-size: 1.2rem;
    width: 25px;
    height: 80px;
    right: 5px;
    top: -5px;
  }
}
.workslist__image {
  overflow: hidden;
}
.workslist__image img {
  width: 100%;
  aspect-ratio: 480/360;
  -o-object-fit: cover;
     object-fit: cover;
}
.workslist__title {
  font-size: 1.8rem;
  font-family: var(--ff-shippri);
  letter-spacing: normal;
  line-height: 1.77;
  padding: 20px 0;
}
@media (max-width: 767px) {
  .workslist__title {
    padding: 2.6666666667vw 0;
    font-size: 1.4rem;
    line-height: 1.5;
  }
}
.workslist__lists span,
.workslist__lists a {
  text-decoration: underline;
  color: #999;
  font-size: 1.4rem;
  margin-right: 5px;
}
@media (max-width: 767px) {
  .workslist__lists span,
  .workslist__lists a {
    font-size: 1rem;
  }
}

.post__header {
  width: 1200px;
  margin: 0 auto;
}
@media (max-width: 767px) {
  .post__header {
    width: 92vw;
  }
}
.post__header__type {
  background-color: #333;
  color: #fff;
  width: 140px;
  line-height: 36px;
  text-align: center;
}
@media (max-width: 767px) {
  .post__header__type {
    font-size: 1.2rem;
    width: 100px;
    line-height: 30px;
  }
}
.post__header__title {
  font-size: 4rem;
  font-family: var(--ff-shippri);
  margin-top: 40px;
}
@media (max-width: 767px) {
  .post__header__title {
    font-size: 2.6rem;
    margin-top: 5.3333333333vw;
  }
}
.post__image {
  width: 1200px;
  margin: 40px auto 0;
  position: relative;
  z-index: 2;
}
@media (max-width: 767px) {
  .post__image {
    width: 100%;
  }
}
.post__concept {
  background-color: #e9f3eb;
  margin-top: -200px;
  padding-top: 300px;
  padding-bottom: 160px;
}
@media (max-width: 767px) {
  .post__concept {
    margin-top: 0;
    padding-top: 6.6666666667vw;
    padding-bottom: 21.3333333333vw;
  }
}
.post__concept__text {
  width: 1200px;
  margin: 0 auto;
}
@media (max-width: 767px) {
  .post__concept__text {
    width: 92vw;
  }
}
.post__features {
  background-color: #fff;
  width: 1200px;
  margin: 120px auto 0;
  padding: 60px 100px 80px;
}
@media (max-width: 767px) {
  .post__features {
    width: 92vw;
    margin-top: 8vw;
    padding: 4vw 4vw 8vw;
  }
}
.post__features__heading {
  font-size: 2.4rem;
  font-family: var(--ff-shippri);
}
@media (max-width: 767px) {
  .post__features__heading {
    font-size: 1.8rem;
  }
}
.post__features dl {
  display: grid;
  grid-template-columns: 300px auto;
  border-top: 1px solid #ddd;
  margin-top: 30px;
}
@media (max-width: 767px) {
  .post__features dl {
    margin-top: 4vw;
    grid-template-columns: 1fr;
  }
}
.post__features dt,
.post__features dd {
  border-bottom: 1px solid #ddd;
  padding: 30px 40px;
  line-height: 1.75;
}
@media (max-width: 767px) {
  .post__features dt,
  .post__features dd {
    padding: 4vw;
    font-size: 1.4rem;
  }
}
.post__features dt {
  background-color: #f5f5f5;
}
.post__contents {
  width: 800px;
  margin: 160px auto 0;
  display: grid;
  gap: 50px;
}
@media (max-width: 767px) {
  .post__contents {
    width: 80vw;
    margin-top: 21.3333333333vw;
    gap: 6.6666666667vw;
  }
}
.post__contents .heading {
  font-size: 2.4rem;
  font-family: var(--ff-shippri);
}
@media (max-width: 767px) {
  .post__contents .heading {
    font-size: 1.8rem;
  }
}
.post__contents .image {
  text-align: center;
}
@media (max-width: 767px) {
  .post__contents .description {
    font-size: 1.4rem;
  }
}
.post__gallary {
  width: 800px;
  margin: 100px auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}
@media (max-width: 767px) {
  .post__gallary {
    width: 92vw;
    gap: 1.3333333333vw;
    margin-top: 13.3333333333vw;
  }
}
.post__gallary img {
  aspect-ratio: 1/1;
  -o-object-fit: cover;
     object-fit: cover;
}

.toback {
  width: 1200px;
  margin: 120px auto 0;
  border-top: 1px solid #ddd;
  padding-top: 48px;
  text-align: center;
}
@media (max-width: 767px) {
  .toback {
    width: 92vw;
    margin-top: 16vw;
    padding-top: 6.4vw;
  }
}
.toback a {
  font-family: var(--ff-shippri);
}
.toback a img {
  margin-right: 18px;
}
@media (hover: hover) and (min-width: 1000px) {
  .toback a {
    transition: color var(--speed) ease-out, opacity var(--speed) ease-out;
  }
  .toback a:hover {
    color: #999;
  }
  .toback a:hover img {
    opacity: 0.6;
  }
}