@charset "utf-8";
/* CSS Document */


/*--------------------------------------------------------------
// header - 共通
--------------------------------------------------------------*/
.gk-header-news {
  background-color: #F47A00;
  margin: 0;
  padding: 0;
  position: fixed;
  top: 0;
  z-index: 1000;
  text-align: center;
  transition: top 0.3s ease;
  width: 100%;
}

.gk-header-news a {
  color: #fff;
  display: inline-block;
  font-size: .8rem;
  line-height: 1.2;
  padding: 6px 20px 4px;
  text-decoration: underline;
}

.gk-header {
  background-color: #fff;
  position: fixed;
  top: 28px;
  left: 0;
  right: 0;
  z-index: 999;
  transition: top 0.3s ease;
  width: 100%;
  height: 60px;
}

.gk-header-inner {
  display: -webkit-box;
  display: flex;
  -webkit-box-align: center;
        align-items: center;
  -webkit-box-pack: end;
  justify-content: flex-end;
  padding: 16px 20px;
  height: inherit;
}

.gk-header-pc { /*PC*/
  height: auto;
}

.gk-header-pc .gk-header-inner { /*PC*/
  -webkit-box-pack: justify;
  justify-content: space-between;
  margin: 0 auto;
  padding: 16px 60px;
  max-width: 1600px;
}

.fs-body-login .gk-header-btn,
.fs-body-login .gk-header-ham,
.fs-body-register .gk-header-btn,
.fs-body-register .gk-header-ham { /*ログイン画面で非表示*/
  display: none;
}


/*---------- ヘッダーロゴ ----------*/
.gk-header-logo {
  margin-right: auto;
}

.gk-header-logo a {
  display: block;
  width: 130px;
}

.gk-header-logo a:hover {
  text-decoration: none;
}

.gk-header-logo a img {
  width: 130px;
}

.gk-header-pc .gk-header-logo a,
.gk-header-pc .gk-header-logo a img { /*PC*/
  width: 200px;
}

/*---------- ヘッダー カート/マイページ ----------*/
.gk-header-btn  {
  line-height: 0;
}

.gk-header-btn li {
  display: inline-block;
  margin: 4px 0 0;
  width: 40px;
}

.gk-header-btn li a {
  color: #222;
  display: block;
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 1px;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
}

.gk-header-btn li a img {
  margin: 0 auto 6px;
  width: 20px;
}

.gk-header-btn li a span {
  display: inline-block;
}

.gk-header-pc .gk-header-btn li { /*PC*/
  margin: 0;
  position: relative;
  width: 70px;
}

.gk-header-pc .gk-header-btn li a { /*PC*/
  font-size: .6rem;
  font-weight: 500;
}

.gk-header-pc .gk-header-btn li:hover,
.gk-header-pc .gk-header-btn li a:hover { /*PC*/
  color: #F47A00;
  -webkit-transition: 0.2s;
          transition: 0.2s;
}

.gk-header-pc .gk-header-btn li a:hover::before { /*PC*/
  content: "";
  position: absolute;
  bottom: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  -webkit-transition: 0.2s;
          transition: 0.2s;
  width: 22px;
  height: 22px;
}

.gk-header-pc .gk-header-btn li a.gk-header-btn_cart:hover::before { /*PC*/
  background: url(https://gaskigu.itembox.design/item/img/parts/cart_on.svg) no-repeat;
}
.gk-header-pc .gk-header-btn li a.gk-header-btn_mypage:hover::before { /*PC*/
  background: url(https://gaskigu.itembox.design/item/img/parts/mypage_on.svg) no-repeat;
}

.gk-header-pc .gk-header-btn li a img { /*PC*/
  margin: 0 auto 6px;
  width: 22px;
}

.gk-header-pc .gk-header-btn li a:hover img { /*PC*/
  display: none;
}


/*--------------------------------------------------------------
// SP - ハンバーガーメニュー
--------------------------------------------------------------*/
.gk-header-ham {
  background-color: transparent;
  border: 0;
  cursor: pointer;
  margin: 8px 0 0 14px;
  padding: 0;
  width: 28px;
  height: 100%;
  z-index: 999;
}

.gk-header-ham span {
  background-color: #222;
  color: #222;
  display: block;
  position: relative;
  -webkit-transition: ease 0.3s;
          transition: ease 0.3s;
  width: 100%;
  height: 1.6px;
}

.gk-header-ham span:nth-child(1) {
  top: 0;
}
.gk-header-ham span:nth-child(2) {
  margin: 4px 0;
}
.gk-header-ham span:nth-child(3) {
  top: 0;
}

.gk-header-ham.active {
  transform: translateX(0);
}
.gk-header-ham.active span:nth-child(1) {
  top: 6px;
  transform: rotate(30deg);
}
.gk-header-ham.active span:nth-child(2) {
  opacity: 0;
}
.gk-header-ham.active span:nth-child(3) {
  top: -5px;
  transform: rotate(-30deg);
}

.gk-header-ham span.gk-header-ham_txt {
  background-color: transparent;
  border: 0;
  display: inline-block;
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 1px;
  margin: 3px 0 0 -4px;
  vertical-align: text-top;
  white-space: nowrap;
}


/*--------------------------------------------------------------
// SP - ナビゲーション
--------------------------------------------------------------*/
.noscroll{
  overflow: hidden;
}

.gk-header-nav {
  opacity: 0;
  position: absolute;
  top: 60px;
  right: 0;
  left: 0;
  -webkit-transition: all .5s ease;
          transition: all .5s ease;
  transform: translate(100%, 0);
  width: 100%;
  height: 100vh;
  z-index: 998;
}

.gk-header-nav.active {
  background-color: #fff;
  opacity: 1;
  transform: translate(0, 0)
}

.gk-header-nav-inner {
  overflow-y: scroll;
  padding: 40px 30px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
}

/*---------- アコーディオン ----------*/
.gk-header-nav_list > li {
  margin: 0 0 1rem 4px;
  position: relative;
}

.gk-header-nav_list > li:last-child {
  margin-bottom: 0;
}

.gk-header-nav_list > li > a {
  color: #222;
  display: block;
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-decoration: none;
}

.gk-header-nav_list > li > a:hover {
  text-decoration: none;
}

.gk-header-nav_list > li > a::after { /* > */
  content: "";
  width: 12px;
  height: 12px;
  border-right: 2px solid #F47A00;
  border-bottom: 2px solid #F47A00;
  position: absolute;
  right: 12px;
  top: 0;
  bottom: 0;
  margin: auto;
  -webkit-transform: rotate(-45deg);
          transform: rotate(-45deg);
}

.gk-header-nav_list > li.gk-header-nav_level01 > a { /* + */
  cursor: pointer;
  position: relative;
}
.gk-header-nav_list > li.gk-header-nav_level01 > a::before { /* + */
  content: "";
  width: 16px;
  height: 2px;
  background-color: #F47A00;
  position: absolute;
  right: 6px;
  top: 0;
  bottom: 0;
  margin: auto;
}
.gk-header-nav_list > li.gk-header-nav_level01 > a::after { /* + */
  border: 0;
  content: "";
  width: 16px;
  height: 2px;
  background-color: #F47A00;
  position: absolute;
  right: 6px;
  top: 0;
  bottom: 0;
  margin: auto;
  -webkit-transform: rotate(90deg);
          transform: rotate(90deg);
  -webkit-transition: all .4s;
          transition: all .4s;
}
.gk-header-nav_list > li.gk-header-nav_level01 > a.open::after { /* + */
  -webkit-transform: rotate(0);
          transform: rotate(0);
}

.gk-header-nav_list > li .gk-header-nav_level02 {
  padding: 30px;
  margin: 15px -30px 0 -34px;
  background-color: #f6f6f9;
  display: none;
}

.gk-header-nav_list > li .gk-header-nav_level03_list {
  display: -webkit-box;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.gk-header-nav_list > li .gk-header-nav_level03_list > li {
  background-color: #fff;
  border: 1px solid #EAE6E4;
  border-radius: 5px;
  padding: 8px 10px;
  width: calc((100% - 5px) / 2);
}

.gk-header-nav_list > li .gk-header-nav_level03_list > li a {
  display: -webkit-box;
  display: flex;
  -webkit-box-align: center;
        align-items: center;
  -webkit-column-gap: 10px;
          column-gap: 10px;
  text-decoration: none;
}

.gk-header-nav_list > li .gk-header-nav_level03_list > li a:hover {
  text-decoration: none;
}

.gk-header-nav_list > li .gk-header-nav_level03_list > li a img {
  border-radius: 5px;
  flex-shrink: 0;
  width: 40px;
}

.gk-header-nav_list > li .gk-header-nav_level03_list > li a span {
  color: #222;
  font-size: 12px;
  letter-spacing: 0.05em;
  line-height: 1.2;
}

.gk-header-nav_list > li .gk-header-nav_mfr > li { /*メーカーロゴ*/
  padding: 20px 10px;
  width: calc((100% - 10px) / 3);
}

.gk-header-nav_list > li .gk-header-nav_mfr > li a img { /*メーカーロゴ*/
  margin: 0 auto;
  width: auto;
  height: 25px;
}

.gk-header-nav_list > li .gk-header-nav_level03_btn {
  background-color: #fff;
  border: 1px solid #EAE6E4;
  border-radius: 50px;
  display: -webkit-box;
  display: flex;
  -webkit-box-align: center;
        align-items: center;
  -webkit-box-pack: center;
  justify-content: center;
  font-size: 13px;
  letter-spacing: 0.1em;
  margin: 15px auto 0;
  padding: 0 20px;
  width: -webkit-fit-content;
  width: fit-content;
  min-width: 130px;
  height: 40px;
}

.gk-header-nav_list > li .gk-header-nav_level03_btn:hover {
  text-decoration: none;
}

/*---------- お問い合わせ ----------*/
.gk-header-nav .gk-contact-btn {
  border-bottom: 1px solid #eee;
  padding: 2rem 0;
}

/*---------- その他リスト ----------*/
.gk-header-nav_sublist {
  border-bottom: 1px solid #eee;
  padding: 2rem 0;
}

.gk-header-nav_sublist li a {
  color: #aaa;
  font-size: .9rem;
  line-height: 2;
  text-decoration: none;
}

.gk-header-nav_sublist li a:hover {
  text-decoration: none;
}

/*---------- 新規会員登録 / ログイン / マイページ ----------*/
.fs-clientInfo .fs-clientInfo--true .fs-clientInfo_falseOnly { /*ログイン状態に応じて表示／非表示*/
  display: none !important;
}
.fs-clientInfo .fs-clientInfo--false .fs-clientInfo_trueOnly { /*ログイン状態に応じて表示／非表示*/
  display: none !important;
}

.gk-header-nav_member {
  padding: 2rem 0 4rem;
  position: relative;
}

.gk-header-nav_member ul {
  display: -webkit-box;
  display: flex;
  flex-wrap: wrap;
  -webkit-box-pack: center;
  justify-content: center;
  -webkit-column-gap: 8px;
          column-gap: 8px;
}

.gk-header-nav_member ul li {
  width: calc((100% - 8px) / 2);
}

.gk-header-nav_member ul li a {
  background-color: #fff;
  border: 1px solid #E2E2E2;
  border-radius: 100px;
  color: #222;
  font-size: .8rem;
  display: -webkit-box;
  display: flex;
  -webkit-box-align: center;
        align-items: center;
  -webkit-box-pack: center;
  justify-content: center;
  -webkit-column-gap: 4px;
          column-gap: 4px;
  line-height: 1.0;
  letter-spacing: 0.1em;
  padding: 18px 20px;
  text-decoration: none;
}

.gk-header-nav_member ul li a img {
  width: 14px;
}

.gk-header-nav_member ul li a span {
  -webkit-box-flex: 1;
        flex-grow: 1;
  text-align: center;
}


/*--------------------------------------------------------------
// PC
--------------------------------------------------------------*/
.fs-l-page::before {
  background: rgba(0, 0, 0, 0.2);
  content: "";
  opacity: 0;
  position: fixed;
  top: 0;
  left: 0;
  -webkit-transition: all 0.3s;
          transition: all 0.3s;
  visibility: hidden;
  width: 100%;
  height: 100%;
  z-index: 500;
}

.fs-l-page.open::before {
  opacity: 1;
  visibility: visible;
}

.gk-header-pcnav {
  display: -webkit-box;
  display: flex;
  -webkit-box-pack: end;
  justify-content: flex-end;
  -webkit-column-gap: 30px;
          column-gap: 30px;
  flex-shrink: 0;
  margin-left: auto;
}

.gk-header-pcnav_list {
  display: -webkit-box;
  display: flex;
  -webkit-column-gap: 30px;
          column-gap: 30px;
  font-size: .9rem;
  letter-spacing: 0.15em;
}

.gk-header-pcnav_list > li {
  display: -webkit-box;
  display: flex;
  -webkit-box-align: center;
        align-items: center;
}

.gk-header-pcnav_list > li > a {
  cursor: pointer;
  text-decoration: none;
}

.gk-header-pcnav_list > li > a:hover {
  color: #F47A00;
  font-weight: 500;
}

.gk-header-pcnav_list .gk-pcnav-parent {
  height: calc(100% + 32px);
  margin: -16px 0;
}

.gk-header-pcnav_list .gk-pcnav-parent > a {
  display: -webkit-box;
  display: flex;
  -webkit-box-align: center;
        align-items: center;
  position: relative;
  height: 100%;
}

.gk-header-pcnav_list .gk-pcnav-parent:hover > a::after {
  background-color: #F47A00;
  border-radius: 7px;
	content: "";
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  -webkit-transition: all 0.3s;
          transition: all 0.3s;
  width: 6px;
  height: 6px;
}

.gk-header-pcnav_list .gk-pcnav-parent:hover .gk-pcnav-children {
  opacity: 1;
  visibility: visible;
}

.gk-header-pcnav_list .gk-pcnav-children {
  background: #fff;
  position: absolute;
  top: 100%;
  left: 0;
  opacity: 0;
  padding: 70px 0;
  -webkit-transition: all 0.3s;
          transition: all 0.3s;
  visibility: hidden;
  width: 100%;
  z-index: -1;
}

.gk-pcnav-parent .gk-pcnav-children .gk-pcnav-inner {
  max-width: 1200px;
  padding: 0 70px;
  margin: 0 auto;
}

.gk-pcnav-parent .gk-pcnav-children .gk-pcnav-inner p {
  border-left: 6px solid #6F9283;
  font-size: 1.2rem;
  font-weight: 500;
  margin: 0 0 1rem;
  padding: 2px 0 0 .8rem;
}

.gk-header-pcnav_list .gk-pcnav-children_list {
  display: -webkit-box;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 10px;
  margin-bottom: 20px;
}

.gk-header-pcnav_list .gk-pcnav-children_list li {
  width: calc((100% - 40px) / 5);
}

.gk-header-pcnav_list .gk-pcnav-children_list li a {
  border: 1px solid #ccc;
  border-radius: 5px;
  display: -webkit-box;
  display: flex;
  -webkit-box-align: center;
        align-items: center;
  -webkit-column-gap: 10px;
          column-gap: 10px;
  overflow: hidden;
  padding: 8px 10px;
  text-decoration: none;
}

.gk-header-pcnav_list .gk-pcnav-children_list li a img {
  flex-shrink: 0;
  width: 50px;
}

.gk-header-pcnav_list .gk-pcnav-children_list_mfr li a { /*メーカーロゴ*/
  padding: 16px 10px;
}

.gk-header-pcnav_list .gk-pcnav-children_list_mfr li a img { /*メーカーロゴ*/
  width: 100%;
  height: 30px;
}

.gk-header-pcnav_list .gk-pcnav-children_list li a span {
  font-size: .9rem;
  font-weight: 500;
  -webkit-box-flex: 1;
        flex-grow: 1;
  letter-spacing: 0.05em;
  line-height: 1.2;
}

.gk-header-pcnav_list .gk-pcnav-children_list li a:hover {
  border-color: #F47A00;
  color: #F47A00;
}

/*.gk-pcnav-parent .gk-pcnav-children .gk-pcnav_btn {
  background-color: #fff;
  border: 1px solid #ccc;
  border-radius: 50px;
  display: -webkit-box;
  display: flex;
  -webkit-box-align: center;
        align-items: center;
  -webkit-box-pack: center;
  justify-content: center;
  font-size: .8rem;
  letter-spacing: 0.1em;
  margin: 0 auto 2rem;
  padding: 0 30px;
  width: -webkit-fit-content;
  width: fit-content;
  min-width: 150px;
  height: 50px;
}

.gk-pcnav-parent .gk-pcnav-children .gk-pcnav_btn:hover {
  border-color: #F47A00;
  color: #F47A00;
  text-decoration: none;
}*/

/*---------- 検索窓 ----------*/
.gk-header-pcnav_search {
  display: -webkit-box;
  display: flex;
  -webkit-box-align: center;
        align-items: center;
  position: relative;
}

.gk-header-pcnav_search input[type=text] {
  -webkit-appearance: none;
          appearance: none;
  border: 0;
  border-radius: 50px;
  color: #222;
  cursor: pointer;
  font-size: 0;
  outline: 0;
  padding: 0;
  -webkit-transition: all 0.3s;
          transition: all 0.3s;
  width: 0;
  height: 38px;
}

.gk-header-pcnav_search input[type=text] + label {
  font-size: .8rem;
  display: -webkit-inline-box;
  display: inline-flex;
  -webkit-box-align: center;
        align-items: center;
  -webkit-column-gap: 5px;
          column-gap: 5px;
  letter-spacing: 0.15em;
  -webkit-transition: all 0.2s;
          transition: all 0.2s;
  vertical-align: middle;
}

.gk-header-pcnav_search input[type=text] + label::before {
  background: url(https://gaskigu.itembox.design/item/img/parts/search.svg) no-repeat center/20px;
  content: "";
  -webkit-transition: all 0.2s;
          transition: all 0.2s;
  width: 24px;
  height: 38px;
}

.gk-header-pcnav_search input[type=text]:hover + label {
  color: #F47A00;
  font-weight: 700;
}

.gk-header-pcnav_search input[type=text]:hover + label::before {
  background: url(https://gaskigu.itembox.design/item/img/parts/search_on.svg) no-repeat center/20px;
}

.gk-header-pcnav_search input[type=text]:focus {
  background: url(https://gaskigu.itembox.design/item/img/parts/search.svg) no-repeat right 16px center/20px, #F2F2F2;
  cursor: text;
  font-size: 100%;
  margin: 0 -40px 0 -20px;
  padding: 0 1em;
  width: 250px;
}

.gk-header-pcnav_search input[type=text]:focus + label {
  margin-left: calc(-2em - 15px);
  -webkit-transform: scale(0, 1);
          transform: scale(0, 1);
}