.hero>:last-child {
  margin-bottom: 0
}
.hero-visual {
  position: relative
}
.hero-visual__ico {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translate(-50%, 50%);
  background-color: #8bc1d9;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center
}
.hero-subtitle {
  position: relative;
  margin-bottom: 24px;
  text-align: center;
  line-height: 1
}
.hero-subtitle__inner {
  display: inline-block;
  padding-bottom: 4px;
  border-bottom: solid 1px #000
}
.hero-title {
  text-align: center;
  color: #83b9d1;
  font-weight: 500;
  letter-spacing: .03em
}
.hero-btn {
  display: flex;
  justify-content: center
}
.relate .ttl-line {
  font-family: YuGothic, "Yu Gothic", sans-serif;
  font-weight: 500
}
.relate-list__btn {
  display: block
}
.relate-list__pic, .relate-list__ttl-sub {
  text-align: center
}
.relate-list__ttl-main {
  text-align: center;
  font-weight: 500
}
.collection-head__ttl, .collection-head__ttl-sub {
  margin-left: auto;
  margin-right: auto
}
.collection-list {
  display: flex;
  flex-wrap: wrap
}
.collection-list__pic {
  position: relative
}
.collection-list__ttl {
  text-align: center;
  line-height: 1.4
}
.collection-list__price {
  text-align: center
}
.collection-list__price-num {
  margin-right: .5em
}
.collection-list__color {
  display: flex;
  justify-content: center
}
.collection-list__color-item {
  display: flex;
  align-items: baseline
}
.collection-list__color-item:not(:first-child):before {
  content: "/";
  margin-left: .5em;
  margin-right: .5em
}
.collection-list__color-circle {
  position: relative;
  flex-grow: 0;
  flex-shrink: 0;
  margin-left: 1em;
  display: inline-block;
  border-radius: 50%;
  background-color: #000
}
.modal-box {
  margin-left: auto;
  margin-right: auto
}
.modal-ttl, .modal-txt {
  font-family: YuGothic, "Yu Gothic", sans-serif
}
.modal-ttl {
  margin-bottom: 24px;
  text-align: center;
  font-weight: 700;
  font-size: 1rem;
  line-height: 2.125
}
.modal-txt {
  font-weight: 500;
  font-size: .9375rem;
  line-height: 2.13333
}
@media screen and (max-width:640px) {
  .hero {
    padding-bottom: 72px
  }
  .hero-visual {
    margin-bottom: 44px
  }
  .hero-visual__ico {
    width: 53px;
    height: 53px
  }
  .hero-visual__ico-txt {
    width: 24px;
    height: 12px
  }
  .page.page-topics01 .hero-subtitle-img {
    width: 162px;
    height: 18px
  }
  .page.page-topics02 .hero-subtitle-img {
    width: 196px;
    height: 13px
  }
  .hero-title {
    margin-bottom: 24px;
    font-size: 1.5rem;
    line-height: 1.45833
  }
  .hero-lead {
    margin-bottom: 40px
  }
  .hero-lead__txt {
    letter-spacing: 0;
    font-size: .875rem;
    line-height: 2.14286
  }
  .hero-btn {
    margin-bottom: 32px
  }
  .archives-btn {
    margin-left: auto;
    margin-right: auto;
    display: block;
    max-width: 196px
  }
  .archives-pic {
    margin-bottom: 16px
  }
  .relate .ttl-line {
    font-size: .625rem;
    line-height: 1.7
  }
  .relate-list__pic {
    margin-bottom: 12px
  }
  .relate-list__ttl-sub {
    margin-bottom: 8px;
    font-size: .625rem;
    line-height: 2.3
  }
  .relate-list__ttl-main {
    font-size: 1rem;
    line-height: 1.75
  }
  .collection {
    padding-top: 48px;
    padding-bottom: 44px
  }
  .collection-head {
    margin-bottom: 33px
  }
  .collection-head__ttl {
    width: 241px;
    height: 39px
  }
  .collection-head__ttl-sub {
    margin-top: 24px
  }
  .collection.is-pearl .collection-head__ttl-sub {
    width: 174px;
    height: 12px
  }
  .collection.is-knit .collection-head__ttl-sub {
    width: 143px;
    height: 15px
  }
  .collection-list__item:not(:last-child) {
    margin-bottom: 40px
  }
  .collection-list__pic {
    margin-bottom: 16px
  }
  .collection-list__ttl {
    margin-bottom: 4px;
    font-size: 1.125rem
  }
  .collection-list__price-num {
    font-size: .75rem
  }
  .collection-list__price-tax {
    font-size: .5rem
  }
  .collection-list__color {
    margin-top: 8px;
    margin-bottom: 4px
  }
  .collection-list__color-name {
    font-size: .8125rem
  }
  .collection-list__color-circle {
    top: 1px;
    flex-basis: 12px;
    width: 12px;
    height: 12px
  }
}
@media screen and (min-width:641px) {
  .hero {
    padding-bottom: 88px
  }
  .hero-visual {
    margin-bottom: 64px
  }
  .hero-visual__ico {
    width: 81px;
    height: 81px
  }
  .hero-visual__ico-txt {
    width: 32px;
    height: 16px
  }
  .page.page-topics01 .hero-subtitle-img {
    width: 223px;
    height: 24px
  }
  .page.page-topics02 .hero-subtitle-img {
    width: 280px;
    height: 18px
  }
  .hero-title {
    margin-bottom: 24px;
    font-size: 2.4375rem;
    line-height: 1.5641
  }
  .hero-lead {
    margin-bottom: 80px
  }
  .hero-lead__txt {
    text-align: center;
    font-size: 1rem;
    line-height: 2.5
  }
  .hero-btn {
    margin-bottom: 40px
  }
  .archives-btn {
    display: inline-flex;
    align-items: center
  }
  .archives-pic {
    flex: 0 0 240px;
    width: 240px
  }
  .archives-info {
    margin-left: 38px;
    flex: 1 1 auto
  }
  .relate .ttl-line {
    font-size: 1.25rem;
    line-height: 1.41667
  }
  .relate-list {
    display: flex;
    justify-content: center
  }
  .relate-list__pic {
    margin-bottom: 32px
  }
  .relate-list__pic-img {
    width: 226px
  }
  .relate-list__ttl-sub {
    margin-bottom: 8px;
    font-size: 1rem;
    line-height: 1.875
  }
  .relate-list__ttl-main {
    font-size: 1.5rem;
    line-height: 1.75
  }
  .collection {
    padding-top: 120px;
    padding-bottom: 166px
  }
  .collection-head {
    margin-bottom: 90px
  }
  .collection-head__ttl {
    width: 430px;
    height: 70px
  }
  .collection-head__ttl-sub {
    margin-top: 45px
  }
  .collection.is-pearl .collection-head__ttl-sub {
    width: 319px;
    height: 22px
  }
  .collection.is-knit .collection-head__ttl-sub {
    width: 255px;
    height: 26px
  }
  .collection-list__item {
    flex: 0 0 460px;
    width: 460px
  }
  .collection-list__item:nth-child(odd) {
    margin-right: 60px
  }
  .collection-list__item:not(:nth-last-child(-n+2)) {
    margin-bottom: 60px
  }
  .collection-list__pic {
    margin-bottom: 24px
  }
  .collection-list__ttl {
    font-size: 1.3125rem
  }
  .collection-list__price-num {
    font-size: .9375rem
  }
  .collection-list__price-tax {
    font-size: .625rem
  }
  .collection-list__color {
    margin-top: 16px;
    margin-bottom: 8px
  }
  .collection-list__color-name {
    font-size: 1rem
  }
  .collection-list__color-circle {
    top: 2px;
    flex-basis: 17px;
    width: 17px;
    height: 17px
  }
  .modal-txt {
    text-align: center
  }
}
@media (hover:hover), (-ms-high-contrast:active), (-ms-high-contrast:none) {
  .archives-btn:hover .archives-pic {
    box-shadow: 0 6px 6px rgba(0, 0, 0, .16)
  }
  .archives-btn:hover .btn-underline {
    border-color: #83b9d1
  }
  .archives-btn:hover .btn-underline__txt {
    color: #83b9d1
  }
  .archives-btn:hover .btn-underline__arrow {
    fill: #83b9d1
  }
  .archives-pic, .relate-list__pic-img {
    transition: box-shadow .5s
  }
  .relate-list__btn:hover .relate-list__pic-img {
    box-shadow: 0 6px 6px rgba(0, 0, 0, .16)
  }
  .relate-list__btn:hover .relate-list__ttl-main, .relate-list__btn:hover .relate-list__ttl-sub {
    color: #83b9d1
  }
  .relate-list__ttl-main, .relate-list__ttl-sub {
    transition: color .5s
  }
  .collection-list__pic {
    transition: box-shadow .5s
  }
}
@media screen and (min-width:641px) and (max-width:1000px) {
  .collection-list {
    display: block
  }
  .collection-list__item:not(:last-child) {
    margin-bottom: 64px
  }
  .collection-list__item {
    margin-left: auto;
    margin-right: auto
  }
  .collection-list__item:nth-child(odd) {
    margin-right: auto
  }
}