.product-detail {
  display: flex;
  justify-content: space-between;
  max-width: 1080px;
  margin: 0 auto 100px;
  padding: 0 20px;
}
.product-detail-img {
  width: 56.48148148148148%;
  overflow: hidden;
  opacity: 0;
}
.product-detail-img-main {
  position: relative;
  margin: 0 0 13px;
}
.slick-arrow {
  position: absolute;
  top: 50%;
  display: block;
  width: 26px;
  height: 26px;
  overflow: hidden;
  margin: 0;
  padding: 0;
  border: none;
  text-indent: -100vw;
  z-index: 10;
}
.slick-prev {
  left: 20px;
  background: url(https://file003.shop-pro.jp/PA01482/945/assets/img/common/icon-arrow-01.svg) no-repeat 0 0;
  background-size: 26px;
  transform: translateY(-50%) rotate(180deg);
}
.slick-next {
  right: 20px;
  background: url(https://file003.shop-pro.jp/PA01482/945/assets/img/common/icon-arrow-01.svg) no-repeat 0 0;
  background-size: 26px;
  transform: translateY(-50%);
}
.product-detail-img-thumb img {
  display: inline-block;
  max-width: 78px;
  margin: 0 10px 10px 0;
  cursor: pointer;
}
.product-detail-img-thumb img:nth-child(7) {
  margin-right: 0;
}
.product-detail-data {
  width: 37.03703703703704%;
}
.product-ttl {
  margin: 0 0 10px;
  font-size: 24px;
  font-weight: normal;
  font-family: 'Noto Serif JP', serif;
}
.product-price {
  margin: 0 0 10px;
  font-size: 28px;
  font-weight: normal;
  font-family: 'Noto Serif JP', serif;
}
.product-price span {
  font-size: 14px;
  font-weight: normal;
}
input[type="number"] {
  -webkit-appearance: textfield;
  -moz-appearance: textfield;
  appearance: textfield;
}
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
  -webkit-appearance: none;
}
.product-num {
  display: flex;
  align-items: center;
  margin: 0 0 25px;
}
.product-num-label {
  margin: 0 10px 0 0;
  color: #4B3830;
  font-size: 13px;
}
.product-num-input {
  position: relative;
}
.product-num-input button {
  position: absolute;
  top: 0;
  left: 10px;
  width: 9px;
  height: 26px;
  margin: 0;
  padding: 0;
  border: none;
  outline:none;
  background: none;
  cursor: pointer;
}
.product-num-input button.plus {
  right: 10px;
  left: auto;
}
.product-num-input button:before,
.product-num-input button:after {
  content: '';
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9px;
  height: 1px;
  background-color: #000;
  transform: translate(-50%, -50%);
}
.product-num-input button.plus:after {
  transform: translate(-50%, -50%) rotate(90deg);
}
.product-num-input input[type=number] {
  width: 70px;
  height: 26px;  
  margin: 0;
  padding: 0;
  border: 1px solid #ccc;
  border-radius: 0;
  outline: none;
  color: #000;
  text-align: center;
  background: #fff;
  box-sizing: border-box;
}
.product-btn-cart {
  margin: 0 0 20px;
}
.product-btn-cart input {
  display: block;
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #1F2F40;
  border-radius: 4px;
  color: #fff;
  font-weight: normal;
  font-family: 'Noto Serif JP', serif;
  text-align: center;
  background: #1F2F40;
  box-sizing: border-box;
}
.product-btn-cart input:hover {
  color: #1F2F40;
  background: #fff;
}
.product-btn-cart input[disabled] {
  opacity: .5;
}
.product-btn-cart input[disabled]:hover {
  color: #fff;
  background: #1F2F40;
}
.product-btn-contact {
  margin: 0 0 25px;
}
.product-btn-contact a {
  display: block;
  padding: 12px 15px;
  border: 1px solid #707070;
  border-radius: 4px;
  color: #4B3830;
  font-size: 14px;
  font-family: 'Noto Serif JP', serif;
  text-align: center;
  box-sizing: border-box;
}
.product-btn-contact a:hover {
  color: #fff;
  text-decoration: none;
  background: #707070;
}
.product-info {
  width: 100%;
  font-size: 13px;
}
.product-info th {
  width: 100px;
  vertical-align: top;
  padding: 5px 0;
  border-bottom: 1px solid rgba(31, 47, 64, .2);
  color: #45484E;
  font-weight: normal;
  text-align: left;
}
.product-info td {
  padding: 5px 0;
  border-bottom: 1px solid rgba(31, 47, 64, .2);
}
.product-explain {
  margin: 0 0 150px;
}
.product-explain-ttl {
  margin: 0 0 40px;
  font-size: 30px;
  font-weight: normal;
  font-family: 'Noto Serif JP', serif;
  text-align: center;
}
.product-lead {
  max-width: 676px;
  margin: 0 auto 150px;
  padding: 0 20px;
  font-family: 'Noto Serif JP', serif;
}
.product-explain-detail {
  margin: 0 0 150px;
  padding: 0 20px;
}
.product-explain-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1222px;
  margin: 0 auto 60px;
}
.product-explain-row:nth-child(2n) {
  flex-direction: row-reverse;
}
.product-explain-img {
  width: 51.22749590834697%;
}
.product-explain-txt {
  width: 44.189852700491%;
  color: #414141;
  font-size: 15px;
  font-family: 'Noto Serif JP', serif;
}
.product-explain-txt h3 {
  margin: 0 0 20px;
  font-size: 22px;
  font-weight: normal;
}
.product-howto-ttl {
  margin: 0 0 50px;
  font-size: 30px;
  font-weight: normal;
  font-family: 'Noto Serif JP', serif;
  text-align: center;
}
.product-howto {
  max-width: 1080px;
  margin: 0 auto 150px;
  padding: 0 20px;
}
.product-howto-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 0 40px;
}
.product-howto-img {
  width: 44.72222222222222%;
}
.product-howto-img iframe {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
}
.product-howto-txt {
  width: 50%;
  color: #414141;
  font-size: 15px;
  font-family: 'Noto Serif JP', serif;
}
.product-howto-txt h3 {
  margin: 0 0 20px;
  font-size: 22px;
  font-weight: normal;
}
.product-btn-continue {
  margin: 0 0 100px;
}
.product-btn-continue a {
  display: block;
  max-width: 500px;
  margin: 0 auto;
  padding: 10px 0;
  border: 1px solid #1F2F40;
  color: #1F2F40;
  font-weight: normal;
  font-family: 'Noto Serif JP', serif;
  text-align: center;
}
.product-btn-continue a:hover {
  color: #fff;
  text-decoration: none;
  background: #1F2F40;
}

@media only screen and (min-width: 768px) {
  .product-detail-img-thumb .slick-track {
    width: auto !important;
    transform: none !important;
  }
}

@media only screen and (max-width: 767px) {
  .product-detail {
    display: block;
    margin: 0 0 50px;
  }
  .product-detail-img {
    width: auto;
    margin: 0 -20px 40px;
  }
  .product-detail-img-main {
    margin: 0 0 15px;
  }
  .product-detail-img-thumb {
    position: relative;
    max-width: 280px;
    margin: 0 auto;
  }
  .product-detail-img-thumb .slick-list {
    max-width: 280px;
    overflow: hidden;
    margin: 0 auto;
  }
  .product-detail-img-thumb img {
    max-width: 52px;
    margin: 0 5px 0 0;
  }
  .product-detail-img-thumb img:nth-child(7) {
    margin-right: 5px;
  }
  .product-detail-img-thumb .slick-arrow {
    width: 10px;
    height: 19px;
  }
  .product-detail-img-thumb .slick-prev {
    left: -25px;
    background-image: url(https://file003.shop-pro.jp/PA01482/945/assets/img/common/icon-arrow-02.svg);
    background-size: 10px 19px;
  }
  .product-detail-img-thumb .slick-next {
    right: -25px;
    background-image: url(https://file003.shop-pro.jp/PA01482/945/assets/img/common/icon-arrow-02.svg);
    background-size: 10px 19px;
  }
  .product-detail-data {
    width: auto;
  }
  .product-ttl {
    font-size: 22px;
  }
  .product-num-input button {
    height: 30px;
  }
  .product-num-input input[type=number] {
    height: 30px;
  }
  .product-btn-cart input {
    font-size: 17px;
  }
  .product-btn-contact {
    margin: 0 0 50px;
  }
  .product-explain {
    margin: 0 0 60px;
  }
  .product-explain-ttl {
    margin: 0 0 20px;
    font-size: 22px;
  }
  .product-lead {
    margin: 0 0 70px;
    font-size: 15px;
  }
  .product-explain-detail {
    margin: 0 0 60px;
  }
  .product-explain-row {
    display: block;
  }
  .product-explain-img {
    width: auto;
    margin: 0 -20px 30px;
  }
  .product-explain-txt {
    width: auto;
  }
  .product-explain-txt h3 {
    font-size: 20px;
  }
  .product-howto-ttl {
    margin: 0 20px 20px;
    font-size: 22px;
  }
  .product-howto {
    margin: 0 0 60px;
  }
  .product-howto-row {
    display: block;
    margin: 0 0 60px;
  }
  .product-howto-img {
    width: auto;
    margin: 0 -20px 30px;
  }
  .product-howto-txt {
    width: auto;
  }
  .product-howto-txt h3 {
    font-size: 20px;
  }
  .product-btn-continue {
    margin: 0 20px 60px;
  }
}