body {
  font-family: var(--NotoSerif);
}

/* ヘッダー部分 */
header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
}

.header_wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 1.5rem 5rem 1.5rem 2rem;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.logo {
  width: 22.313rem;
  height: 5rem;
}

.navi {
  display: flex;
  gap: 3.5rem;
}

.navi_links_box {
  width: 12rem;
  height: 4rem;
  border: solid 0.1rem #ffffff;
  display: flex;
  cursor: pointer;
}

.navi_links {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.5rem;
  font-weight: normal;
  color: #ffffff;
}

.open_btn {
  display: none;
  cursor: pointer;
}

/* メイン動画 */
.mainvisual {
  width: 100%;
  height: 72rem;
  position: relative;
}

.main_video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.logo_box {
  width: 16rem;
  height: 14.933rem;
  position: absolute;
  top: 26.433rem;
  left: 56rem;
}

.video_logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* セクション(since) */
.since {
  background-color: #000000;
  position: relative;
  width: 100%;
  height: 78rem;
}

/* 作業風景の画像 */
.working_appearance1 {
  width: 41.5rem;
  height: 26rem;
  position: absolute;
  top: 7.8rem;
  left: 7.5rem;
  border-radius: 0.5rem;
}

.working_appearance2 {
  width: 41.5rem;
  height: 26rem;
  position: absolute;
  top: 48.8rem;
  left: 3rem;
  border-radius: 0.5rem;
}

.working_appearance3 {
  width: 47.9rem;
  height: 30rem;
  position: absolute;
  top: 36.4rem;
  left: 78.1rem;
  border-radius: 0.5rem;
}

/* テキスト部分 */
.since_text_area {
  margin: 0 auto;
  max-width: 108rem;
  width: 100%;
  position: absolute;
  top: 24%;
  left: 7%;
  right: 7%;
  text-align: center;
  z-index: 99;
}

.since_headline {
  font-size: 5rem;
  font-weight: 800;
  text-align: center;
  color: #ffffff;
  white-space: nowrap;
}

.since_text {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 4.7rem;
  text-align: center;
  color: #ffffff;
  margin-top: 4rem;
}

/* セクション(pickup_item) */
.pickup_item {
  width: 100%;
  padding-top: 5rem;
  overflow-y: scroll;
  /*IE(Internet Explorer)・Microsoft Edgeへの対応*/
  -ms-overflow-style: none;
  /*Firefoxへの対応*/
  scrollbar-width: none;
}

.pickup_item::-webkit-scrollbar {
  display: none;
}

.pickup_img {
  width: 30rem;
  height: 53.5rem;
}

.img_sp_only {
  display: none;
}

/* 背景の動画 */
.video_block {
  width: 100%;
  height: 100%;

  /* 背景に動画を固定 */
  position: fixed;
  z-index: -1;
  top: 0;
  right: 0;
  left: 0;
  bottom: 0;
}

.video_block video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pickup_item_wrapper {
  max-width: 108rem;
  width: 100%;
  text-align: center;
  margin: 0 auto;
  padding-bottom: 8rem;
}

.sec_title {
  font-size: 4rem;
  font-weight: 800;
  line-height: 5.5rem;
  margin-bottom: 5rem;
  color: #ffffff;
}

.pickup_container {
  display: flex;
  gap: 3rem;
}

.pickup_container.is-active {
  /*要素を表示させる*/
  opacity: 1;
  visibility: visible;
  /*元の位置に戻す*/
  transform: translateY(0);
}



.about_item {
  max-width: 75rem;
}

/* 商品名 */
.product_name {
  font-size: 3rem;
  font-weight: normal;
  text-align: left;
  line-height: 4.1rem;
  color: #FFFFFF;
  padding-bottom: 1.5rem;
}

/* 商品紹介文 */
.product_text {
  font-size: 1.6rem;
  font-weight: normal;
  text-align: left;
  line-height: 2.2rem;
  color: #FFFFFF;
  border-top: solid 0.1rem #FFFFFF;
  padding-top: 1.5rem;
}

/* 商品についてのリスト */
.item_description_list {
  border: solid 0.1rem #ffffff;
  width: 75rem;
  background-color: rgba(0, 0, 0, 0.25);
  margin-top: 3rem;
  position: relative;
}

/* 縦線 */
.item_description_list::before {
  content: "";
  height: 100%;
  width: 0.1rem;
  background-color: #fff;
  position: absolute;
  left: 40%;
}

.item_description_list dt,
.item_description_list dd {
  color: #FFFFFF;
  font-size: 1.6rem;
  font-weight: normal;
  text-align: left;
  opacity: 1 !important;
}

.item_description_list dt {
  width: 40%;
}

.item_description_list dd {
  width: 60%;
  padding-left: 1rem;
}

.flex_wrap {
  display: flex;
  padding: 1rem;
}

/* 楕円形 */
.product_feature_list {
  display: flex;
  gap: 1rem;
  margin-top: 1.2rem;
}

.product_feature_list li {
  width: 12.5rem;
  height: 8.1rem;
  border: solid 0.1rem #FFFFFF;
  border-radius: 4.1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #C39E4C;
}

.product_feature {
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 2rem;
  text-align: center;
  color: #FFFFFF;
}

.warning_note {
  font-size: 1.6rem;
  font-weight: 800;
  color: #FFFFFF;
  text-align: left;
  margin-top: 1.5rem;
}

.link_box {
  width: 23rem;
  height: 5rem;
  background-color: #fff;
  display: flex;
  margin: 1.8rem auto 7rem;
  font-size: 2rem;
  font-weight: normal;
  color: #707070;
  cursor: pointer;
}

.link_box a {
  width: 100%;
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.link_box:last-child {
  margin-bottom: 0;
}

.link_box:hover {
  background-color: #C39E4C;
  color: #000000;
}


/* セクション(item_glid) */
.item_glid {
  width: 100%;
  background-image: url(../img/画像\ 2.png);
  margin-top: 0;
}

.item_glid_wrapper {
  width: 102rem;
  margin: 0 auto;
  padding-top: 8rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6rem;
  padding-bottom: 8rem;
}

.glid_item {
  text-align: center;
}

.item_img_area {
  width: 30rem;
  height: 39rem;
  background-color: #fff;
  margin-bottom: 2rem;
}

.item_img {
  object-fit: contain;
}

.item_name {
  font-size: 2.5rem;
  font-weight: normal;
  line-height: 3.4rem;
  color: #FFFFFF;
  text-align: center;
  height: 6.8rem;
}

.buy_btn_box {
  width: 23rem;
  height: 5rem;
  background-color: #fff;
  display: flex;
  color: #707070;
  font-size: 2rem;
  font-weight: normal;
  line-height: 2.7rem;
  margin: 2rem auto 0;
  cursor: pointer;
}

.buy_btn_box a {
  width: 100%;
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.buy_btn_box:hover {
  background-color: #C39E4C;
  color: #FFFFFF;
}

/* 
Store's Strengths
*/
.store_strengths_area {
  display: flex;
}

.strengths_img_area {
  width: 68rem;
}

.strengths_text_area {
  width: 60rem;
  padding: 2rem 2.5rem;
  background-color: #fff;
  font-family: var(--NotoSans);
}

.strengths_title {
  margin-bottom: 1.5rem;
  color: #302D2C;
  font-weight: bold;
  font-size: 3rem;
  line-height: 1.35em;
}

.strengths_text {
  color: #302D2C;
  font-size: 2rem;
  line-height: 1.25em;
}

.strengths_text:nth-of-type(1) {
  margin-bottom: 2rem;
}

.strengths_text:nth-of-type(2) {
  margin-bottom: 9rem;
}

.official_website_link {
  display: block;
  width: 51rem;
  padding: 1rem 0;
  margin: 0 auto;
  text-align: center;
  font-family: "Noto Serif", serif;
  font-size: 2.5rem;
  color: #ffffff;
  background-color: #B35601;
  border: 0.1rem solid #B35601;
  border-radius: 2.6rem;
  transition: letter-spacing .3s;
}

.official_website_link:hover {
  letter-spacing: 0.15em;
}

/* 
Heritage
*/

.heritage_section {
  width: 100%;
  background-image: url(../img/画像\ 2.png);
  font-family: "Noto Serif", serif;

}

.heritage_inner {
  max-width: 112rem;
  padding: 5rem 2rem 8rem;
  margin: 0 auto;
}

.heritage_section_title {
  margin-bottom: 3rem;
  text-align: center;
  color: #ffffff;
  font-weight: bold;
  font-size: 4rem;
}

.heritage_content {
  margin-bottom: 9rem;
  color: #ffffff;
}

.heritage_content:last-of-type {
  margin-bottom: 0;
}

.heritage_text_area {
  display: flex;
  align-items: flex-start;
  margin-left: 0.5rem;
  margin-bottom: 5.5rem;
  gap: 2.5rem;

}

.heritage_number {
  position: relative;
  font-weight: bold;
  font-size: 5rem;
  text-shadow: 0 0.3rem 0.6rem #00000029;
  z-index: 1;
}

.heritage_number::before {
  content: "";
  display: block;
  width: 2.5rem;
  height: 100%;
  position: absolute;
  top: 0;
  left: -0.5rem;
  z-index: -1;
  background-color: #C39E4C;
}

.heritage_title {
  margin-bottom: 2rem;
  font-weight: bold;
  font-size: 3rem;
  text-shadow: 0 0.3rem 0.6rem #00000029;
}

.heritage_description {
  width: 94rem;
  color: #ffffff;
  font-size: 1.6rem;
  overflow-wrap: anywhere;
  word-break: normal;
  line-break: strict;
}

.heritage_img_area {
  padding-left: 6rem;
}

.heritage_3grid_img {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.heritage_3grid_img .heritage_img_container {
  width: 30rem;
  height: 19.4rem;
}

.heritage_1grid_img .heritage_img_container {
  width: 100%;
  height: 39rem;
}

.heritage_product_img {
  object-fit: contain;
}

.heritage_product_bg {
  background-color: #ffffff;
}

.heritage_video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.contact-footer_flex {
  display: flex;
}


/* --------- コンタクトフォーム＆インフォセクション --------- */
.contact_info {
  font-family: 'Noto Serif', serif;
  width: 100%;
  height: 78rem;
  color: #000000;
  position: relative;
}

/* video設定 */
.wave_video {
  width: 100%;
  height: 78rem;
  object-fit: cover;
  z-index: 7;
}

/* フィルター */
.filter_div {
  width: 100%;
  height: 78rem;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.7;
  backdrop-filter: blur(20px);
  background-color: rgb(255, 255, 255, 0.7);
  z-index: 8;
}

/* videoに重ねるコンテンツのコンテナ */
.overlap_container {
  width: 100%;
  position: absolute;
  /* セクション左上に張り付く */
  top: 0;
  left: 0;
  right: 9.956rem;
  z-index: 9;
}

/* ここを溢れた部分はスクロールする */
.overflow_outer {
  width: 104.9rem;
  height: 58rem;
  margin: 0 auto;
  overflow-y: scroll;
  overflow: auto;
  position: absolute;
  margin-left: 11.45rem;
}

/* 実際にスクロールする部分 */
.overflow_inner {
  width: 85rem;
  margin: 0 auto;
}

/* ------スクロールバーのスタイル------ */
/* 全体 */
.overflow_outer::-webkit-scrollbar {
  width: 1.5rem;
}

/* レール */
.overflow_outer::-webkit-scrollbar-track {
  background-color: #FFFFFF;
  border-radius: 1rem;
  border: 1px solid #000000;
}

/* つまみ */
.overflow_outer::-webkit-scrollbar-thumb {
  background-color: #000000;
  border-radius: 1rem;
}

/* 各グループ(テキストエリア以外) */
.info_group,
.form_group {
  width: 85rem;
  height: 7.8rem;
  border-bottom: 1px solid #000000;
  padding-top: 1rem;
}

/* テキストエリアのグループ */
.form_group_textarea {
  width: 85rem;
  height: 30rem;
  margin-bottom: 1.957rem;
  border-bottom: 1px solid #000000;
  padding-top: 1rem;
}

/* インフォ */
.info {
  margin-bottom: 6.966rem;
  font-weight: 800;
}

.info_icon_area {
  width: 28.65rem;
  display: flex;
  align-items: center;
}

.info_icon {
  width: 3rem;
  height: 3rem;
  margin-left: 1.35rem;
  object-fit: contain;
}

.contact_info_title {
  font-size: 4rem;
  width: 42.7rem;
  margin: 6rem auto 2.667rem;
  font-weight: 800;
}

.contact_info_text {
  font-size: 1.8rem;
  width: 56.35rem;
  display: flex;
  align-items: center;
}

/* コンタクトフォーム */
.contact_title {
  font-size: 4rem;
  width: 22.3rem;
  margin: 0 auto 4rem;
  font-weight: 800;
}

.contact {
  width: 85rem;
  margin: 0 auto;
}

.label {
  width: 28.65rem;
  font-size: 1.8rem;
  margin-left: 1.35rem;
  margin-top: 1.5rem;
  font-weight: bold;
  font-style: italic;
}

.input {
  width: 56.3rem;
  height: 5.4rem;
  display: flex;
  align-items: center;
  border: 1px solid black;
  border-radius: 0.5rem;
  background-color: #fff;
  font-size: 1.8rem;
  padding: 1rem;
}

.textarea {
  width: 56.3rem;
  height: 27rem;
  display: flex;
  align-items: center;
  border: 1px solid black;
  border-radius: 0.5rem;
  background-color: #fff;
  resize: none;
  font-size: 1.8rem;
  padding: 1rem;
}

/* 送信ボタン */
.submit_area {
  width: 12rem;
  height: 4rem;
  border: 1px solid black;
  margin: 0 auto 14.87rem;
  display: flex;
  font-size: 1.8rem;
  font-weight: bold;
}

.submit_area input {
  width: 100%;
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}


/* --------- ストアリンク --------- */
.store_link {
  width: 100%;
  margin: 0 auto;
  color: #302D2C;
  font-family: 'Noto Sans JP', serif;
}

.store_img {
  width: 68rem;
  height: 42.5rem;
}

.store_link_title {
  font-size: 3rem;
  font-weight: bold;
  margin: 2.03rem 0 1.5rem 2.5rem;
}

.store_link_text_wrap {
  font-size: 2rem;
  margin: 0 0 9.1rem 2.5rem;
}

.store_link_text:first-child {
  margin-bottom: 2rem;
}

.store_link_button_wrap {
  text-align: center;
}

.store_link_button {
  width: 51rem;
  height: 5.8rem;
}

/* --------- フッター --------- */
.footer {
  background-color: #000000;
  color: #FFFFFF;
  font-family: 'Noto Serif', serif;
  width: 100%;
  height: 9rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  font-size: 1.6rem;
}

.footer_logo {
  width: 22.313rem;
  height: 5rem;
  margin-left: 2.044rem;
}

.nav {
  margin-left: 4.987rem;
  gap: 3.5rem;
}

@media screen and (max-width:699.98px) {
  header {
    width: 100vw;
  }

  .header_wrapper {
    width: 100vw;
    padding: 0.5rem;
    background-color: #000000;
  }

  .logo {
    width: 17.85rem;
    height: 4rem;
  }

  .navi {
    width: 100%;
    height: 15rem;
    padding-top: 2rem;
    padding-left: 5.1rem;
    padding-bottom: 4rem;
    flex-direction: column;
    row-gap: 1.2rem;
    background-image: url(../img/画像\ 2.png);
    position: fixed;
    top: 5rem;
    left: 0;
    visibility: hidden;
    opacity: 0;
  }

  .open.navi {
    visibility: visible;
    opacity: 1;
    transition: 0.5s;
  }

  .navi_links_box {
    border: none;
    justify-content: start;
    list-style: inherit !important;
    position: relative;
  }

  .navi_links_box::before {
    content: "・";
    color: #FFFFFF;
    position: absolute;
    top: 25%;
    left: -2.5rem;
  }

  .navi_links {
    font-size: 1.6rem;
    font-weight: normal;
    line-height: 2.2rem;
    text-align: left;
    flex: none;
  }

  .open_btn {
    display: flex;
    gap: 0.9rem;
  }

  .open_btn.active {
    position: relative;
    padding-left: 2rem;
  }

  .open_btn span {
    width: 0.1rem;
    height: 3.5rem;
    background-color: #fff;
  }

  /* 押されたときに×型に変わる */
  .open_btn.active span:nth-of-type(1) {
    position: absolute;
    transform: rotate(-30deg);
    top: 0;
    left: 0;
  }

  .open_btn.active span:nth-of-type(2) {
    position: absolute;
    transform: rotate(30deg);
    top: 0;
    left: 0;
  }

  .open_btn.active span:nth-of-type(3) {
    opacity: 0;
  }

  .mainvisual {
    width: 100%;
    height: 61.7rem;
  }

  .logo_box {
    width: 16rem;
    height: 14.933rem;
    position: absolute;
    top: 25.25rem;
    left: 30%;
  }

  .since {
    height: 41.9rem;
  }

  /* 二枚の画像を重ねて2秒ごと交互に表示 */
  .working_appearance1 {
    width: 27.5rem;
    height: 17rem;
    top: 3.9rem;
    left: 0;
    opacity: 0;
    animation: slideAnimation 4s infinite;
    animation-delay: 0s;
  }

  .working_appearance2 {
    width: 21rem;
    height: 13.3rem;
    top: 23.9rem;
    left: 13.8rem;
  }

  .working_appearance3 {
    width: 27.5rem;
    height: 17rem;
    top: 3.9rem;
    left: 0;
    opacity: 0;
    animation: slideAnimation 4s infinite;
    animation-delay: 2s;
  }


  /* 画像を交互に表示する際のアニメーション */
  @keyframes slideAnimation {
    0% {
      opacity: 0;
    }

    10% {
      opacity: 1;
    }

    /* フェードイン */

    33% {
      opacity: 1;
    }

    /* 表示 */

    43% {
      opacity: 0;
    }

    /* フェードアウト */

    100% {
      opacity: 0;
    }
  }

  .since_text_area {
    margin: 0 auto;
    max-width: 33.5rem;
    width: 100%;
    position: absolute;
    top: 20%;
    left: 5%;
    right: 5%;
    text-align: center;
    z-index: 99;
  }

  .since_headline {
    font-size: 2rem;
    font-weight: 800;
    text-align: center;
    color: #ffffff;
    white-space: nowrap;
  }

  .since_text {
    font-size: 1.6rem;
    font-weight: bold;
    line-height: 2.2rem;
    text-align: center;
    color: #ffffff;
    margin-top: 2rem;
  }

  .pickup_item {
    padding-top: 1rem;
  }

  .pickup_img {
    width: 33.5rem;
    height: 20rem;
    object-fit: cover;
    margin: 0 auto;
  }

  .img_pc_only {
    display: none;
  }

  .img_sp_only {
    display: block;
  }

  .video_block {
    width: 100%;
    height: 100%;
    position: fixed;
    z-index: -1;
    top: 4rem;
    right: 0;
    left: 0;
    bottom: 0;
  }

  .video_block video {
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
  }

  .pickup_item_weapper {
    max-width: 33.5rem;
    width: 100%;
    margin: 0 auto;
    text-align: center;
  }

  .sec_title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 4.1rem;
    color: #ffffff;
    margin-bottom: 1.5rem;
  }

  .pickup_container {
    flex-direction: column;
    gap: 1rem;
  }

  .about_item {
    max-width: 33.5rem;
    margin: 0 auto;
  }

  .product_name {
    font-size: 2rem;
    font-weight: normal;
    text-align: left;
    line-height: 2.7rem;
    color: #FFFFFF;
    padding-bottom: 1rem;
  }

  .product_text {
    font-size: 1.6rem;
    font-weight: normal;
    text-align: left;
    line-height: 2.2rem;
    color: #FFFFFF;
    border-top: solid 0.1rem #FFFFFF;
    padding-top: 1rem;
  }

  .item_description_list {
    border: solid 0.1rem #ffffff;
    width: 33.5rem;
    background-color: rgba(0, 0, 0, 0.25);
    margin-top: 2.5rem;
    position: relative;
  }

  .product_feature_list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    text-align: center;
    column-gap: 1.5rem;
    row-gap: 0;
    margin-top: 1.5rem;
  }

  .product_feature_list li {
    width: 9rem;
    height: 9rem;
    border: solid 0.1rem #FFFFFF;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #C39E4C;
  }

  .product_feature {
    font-size: 1.3rem;
    font-weight: 800;
    line-height: 1.6rem;
    text-align: center;
    color: #FFFFFF;
  }

  .warning_note {
    font-size: 1.6rem;
    font-weight: medium;
    color: #FFFFFF;
    text-align: left;
    margin-top: 2rem;
  }

  .link_box {
    width: 23rem;
    height: 5rem;
    background-color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 2.5rem auto 4rem;
    font-size: 2rem;
    font-weight: normal;
    color: #707070;
  }

  .block {
    width: 100%;
    height: 55.3rem;
    background-color: #000000;
  }

  .item_glid_wrapper {
    width: 30rem;
    margin: 0 auto;
    padding-top: 8rem;
    grid-template-columns: 1fr;
    gap: 3rem;
    padding-bottom: 5rem;
  }

  .item_name {
    font-size: 2rem;
    width: 30rem;
    height: fit-content;
    text-align: left;
    line-height: 2.7rem;
  }

  /* ------グリッドを重ねて5秒ごとに入れ替え表示------ */
  .glid_item:nth-child(1),
  .glid_item:nth-child(4),
  .glid_item:nth-child(7) {
    grid-area: 1/1;

  }

  .glid_item:nth-child(2),
  .glid_item:nth-child(5),
  .glid_item:nth-child(8) {
    grid-area: 2/1;
  }

  .glid_item:nth-child(3),
  .glid_item:nth-child(6),
  .glid_item:nth-child(9) {
    grid-area: 3/1;
  }

  /* -----アニメーション----- */
  .glid_item:nth-child(1),
  .glid_item:nth-child(2),
  .glid_item:nth-child(3) {
    opacity: 0;
    animation: slideAnimation 15s infinite;
    animation-delay: 0s;
  }

  .glid_item:nth-child(4),
  .glid_item:nth-child(5),
  .glid_item:nth-child(6) {
    opacity: 0;
    animation: slideAnimation 15s infinite;
    animation-delay: 5s;
  }

  .glid_item:nth-child(7),
  .glid_item:nth-child(8),
  .glid_item:nth-child(9) {
    opacity: 0;
    animation: slideAnimation 15s infinite;
    animation-delay: 10s;
  }

  /* --------------------------------------------------------- */

  /* 
Store's Strengths
*/
  .store_strengths_area {
    flex-direction: column;
  }

  .strengths_img_area {
    width: 100%;
    height: 24rem;
  }

  .strengths_text_area {
    width: 100%;
    padding: 1.5rem 2rem;
  }

  .strengths_title {
    margin-bottom: 1rem;
    font-size: 2rem;
    text-align: center;
  }

  .strengths_text {
    font-size: 1.6rem;
  }

  .strengths_text:nth-of-type(2) {
    margin-bottom: 1.5rem;
  }

  .official_website_link {
    width: 100%;
    font-size: 1.8rem;
  }

  /* 
heritage
*/
  .heritage_inner {
    padding: 3rem 2rem 5rem;
  }

  .heritage_section_title {
    margin-bottom: 2rem;
    font-size: 3rem;
  }

  .heritage_content {
    margin-bottom: 3rem;
  }

  .heritage_text_area {
    margin-bottom: 1.5rem;
    gap: 1.5rem;
  }

  .heritage_content:last-of-type .heritage_text_area {
    margin-bottom: 1.5rem;
  }

  .heritage_number {
    font-size: 2.5rem;
  }

  .heritage_title {
    margin-bottom: 1.5rem;
    font-size: 2rem;
  }

  .heritage_description {
    width: 100%;
  }

  .heritage_img_area {
    padding-left: 4.8rem;
  }

  .heritage_3grid_img {
    grid-template-columns: repeat(1, 1fr);
  }

  .heritage_3grid_img .heritage_img_container {
    width: 100%;
    height: 18.5rem;
    grid-area: 1/1;
    opacity: 0;
    animation: slideAnimation 6s infinite;
    animation-delay: 0s;
  }

  .heritage_3grid_img .heritage_img_container:nth-child(2) {
    animation: slideAnimation 6s infinite;
    animation-delay: 2s;
  }

  .heritage_3grid_img .heritage_img_container:nth-child(3) {
    animation: slideAnimation 6s infinite;
    animation-delay: 4s;
  }

  .heritage_1grid_img .heritage_img_container {
    height: 18.5rem;
  }

  /* --------- 共通css --------- */
  .contact-footer_flex {
    display: block;
  }

  /* --------- コンタクトへのリンクボックス --------- */
  .contact_link_box {
    position: fixed;
    bottom: 2rem;
    right: 0;
    width: 5rem;
    height: 18rem;
    border-radius: 2rem 0 0 2rem;
    background-color: #C39E4C;
    display: block;
    color: #FFFFFF;
    padding: 1.5rem 1.3rem 0.7rem 1.7rem;
    z-index: 100;
  }

  .contact_link_img {
    width: 2rem;
    height: 1.445rem;
  }

  .contact_link_text {
    display: flex;
    justify-content: center;
    width: 1.2rem;
    margin: 0 auto;
    font-size: 1.35rem;
    letter-spacing: 0.2px;
  }

  /* --------- コンタクトフォーム＆インフォセクション --------- */
  /* セクション全体 */
  .contact_info {
    width: 100%;
    height: 66.7rem;
  }

  /* video設定 */
  .wave_video {
    width: 100%;
    height: 66.7rem;
  }

  /* videoに重ねるコンテンツのコンテナ */
  .overlap_container {
    width: 100%;
    height: 66.7rem;
    /* 左上に張り付く */
    top: 0;
    left: 0;
  }

  /* フィルター */
  .filter_div {
    width: 100%;
    height: 66.7rem;
  }

  /* ここを溢れた部分はスクロールする */
  .overflow_outer {
    width: 35.9rem;
    margin-left: 0.8rem;
    height: 54rem;
  }

  /* 実際にスクロールする部分 */
  .overflow_inner {
    width: 33.5rem;
  }

  /* ------スクロールバーのスタイル------ */
  /* 全体 */
  .overflow_outer::-webkit-scrollbar {
    width: 1.2rem;
  }

  /* 各グループ（テキストエリア以外） */
  .info_group,
  .form_group {
    width: 33.5rem;
    height: auto;
    border: none;
    margin-bottom: 3rem;
    padding: 0;
  }

  /* テキストエリアのグループ */
  .form_group_textarea {
    width: 33.5rem;
    height: 32.7rem;
    border: none;
    padding: 0 0 1rem;
    border-bottom: 1px solid black;
    margin-bottom: 3rem;
  }

  .contact_info_title {
    font-size: 3rem;
    width: 32.1rem;
    margin: 3rem auto 3rem;
  }

  .contact_info_text {
    width: 33.5rem;
    font-size: 1.6rem;
    display: flex;
    flex-wrap: wrap;
    border-top: 1px solid black;
  }

  /* インフォ */
  .info_icon_area {
    width: 3rem;
    margin-bottom: 0.7rem;
    display: flex;
    align-items: center;
  }

  .info_icon {
    margin-left: 0;
  }


  /* コンタクトフォーム */
  .contact {
    width: 33.5rem;
  }

  .contact_title {
    font-size: 3rem;
    width: 16.7rem;
    margin-bottom: 2rem;
  }

  .label {
    margin-left: 0;
    margin-bottom: 1rem;
    margin-top: 0;
    border-bottom: 1px solid black;
    display: flex;
    width: 33.5rem;
    padding-bottom: 1rem;
  }

  .input {
    width: 33.5rem;
    height: 5rem;
    font-size: 1.6rem;
    padding: 0.8rem;
  }

  .textarea {
    width: 33.5rem;
    font-size: 1.6rem;
    padding: 0.8rem;
  }

  .submit_area {
    margin-bottom: 2.8rem;
  }

  /* フッター */
  .footer {
    width: 100%;
    height: 14.2rem;
  }

  .footer_logo {
    width: 22.313rem;
    height: 5rem;
    margin: 1rem 0 1rem 1rem;
  }

  .nav {
    display: flex;
    gap: 1.5rem;
    margin-left: 1rem;
  }
}