/*******************
** item pc styling **
********************/
.container {
  height: auto;
}

.colL {
  float: left;
  width: 62.5%;
}

.colR {
  background-color: rgba(252, 251, 249, 0.8);
  float: right;
  width: 34.8%;
  padding: 1.5%;
}

.top {
  text-align: center;
}

.nav_top {
  color: #fff;
  display: inline-block;
  text-decoration: none;
  margin-top: 5%;
  border-bottom: solid 3px #fff;
  transition: none;
  font-size: 20px;
}

.nav_top:hover {
  border: none;
  opacity: 1;
  padding-bottom: 3px;
}

.mainImage {
  width: 100%;
  display: block;
  position: relative;
}

.noStockOverlay {
  display: none;
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: rgba(102, 102, 102, 0.4);
  color: #fff;
  text-align: center;
  padding-top: 28%;
  font-weight: bold;
  font-size: 60px;
}

.mainImage img {
  text-align: center;
}

.thumbnails {
  width: 100%;
  margin: 3% auto 0;
  text-align: center;
}

.holder {
  float: left;
  width: 23.85%;
  padding-top: 23.85%;
  margin-right: 1.5%;
  margin-top: 1.5%;
  position: relative;
  background-color: transparent;
  z-index: 2;
  cursor: pointer;
}

.thumbnails img, .border {
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
}

.thumbnails img {
  z-index: 1;
}

.border {
  z-index: 2;
}

.holder:nth-child(4n) {
  margin-right: 0;
}

.active {
  border: solid 3px #f00;
}

/** right column **/
h1.tit_item {
  font-weight: bold;
  font-size: 16px;
}
h1.tit_item span {
  display: block;
}

h2 {
  background-color: #727171;
  color: #fff;
  padding: 2px;
  font-size: 12px;
}

.txt_dscr {
  line-height: 1.2;
  letter-spacing: 0.01rem;
  margin: 5% 0;
  font-size: 14px;
}

ul.list_size {
  margin-bottom: 8%;
}
ul.list_size li {
  margin-top: 2%;
  font-size: 14px;
}

.btn_cartIn.cart_off {
  cursor: default;
  pointer-events: none;
}

.btn_cartIn img:hover {
  opacity: 0.8;
}

.txt_info {
  margin-top: 3%;
  font-size: 14px;
}
.txt_info span {
  margin-left: 4%;
}

.model span {
  margin-left: 0;
}

.price span {
  font-size: 120%;
  font-weight: bold;
}

.size, select {
  margin-top: 3%;
  display: inline-block;
}

select {
  height: 24px;
}

input {
  display: block;
  outline: none;
  cursor: pointer;
  margin-top: 2%;
  width: 100%;
  max-width: 308px;
}

/**************************************
** media queries small PC & tablet   **
**************************************/
@media screen and (max-width: 960px) {
  .nav_top {
    font-size: 2.5vw;
  }

  /** right column **/
  h1.tit_item {
    font-size: 1.6vw;
  }

  h2 {
    font-size: 1.2vw;
  }

  .txt_dscr {
    font-size: 1.4vw;
  }

  ul.list_size li {
    font-size: 1.4vw;
  }

  .txt_info {
    font-size: 1.4vw;
  }

  .noStockOverlay {
    font-size: 6.25vw;
  }
}
/**************************************
** BP1 small tablet and mobile phone **
**************************************/
/*** item row ***/
@media screen and (max-width: 600px) {
  .colL, .colR {
    float: none;
    width: 100%;
  }

  .colL {
    margin-top: 12%;
  }

  .colR {
    margin-top: 32.85%;
    padding: 3.5%;
  }

  .nav_top {
    margin-top: 12%;
    font-size: 20px;
  }

  .nav_top:hover {
    padding-bottom: 0;
    border-bottom: solid 3px #fff;
  }

  select {
    font-size: 16px;
    transform: scale(0.8);
    height: 26px;
  }

  input {
    display: block;
    margin: 5% auto;
    width: 100%;
  }

  /** right column **/
  h1.tit_item {
    font-size: 16px;
  }

  h2 {
    font-size: 12px;
  }

  .txt_dscr {
    font-size: 14px;
  }

  ul.list_size li {
    font-size: 14px;
  }

  .txt_info {
    font-size: 14px;
  }

  .noStockOverlay {
    font-size: 8.25vw;
  }
}
@media screen and (max-width: 430px) {
  .colL {
    margin-top: 20px;
  }
}