@charset "utf-8";

body {
  font-family: "Noto Serif JP", serif;
  overflow-x: auto;
  position: relative;
  width: 100vw;
  max-width: 100%;
  margin: 0 auto;
}

/* 横幅を超えないように設定 */
.container,
.content,
.wrapper {
  width: 100%;
  /*横幅100%に制限 */
  max-width: 100%;
  /* 最大幅も100%に制限 */
  overflow-x: hidden;
  /* 横スクロール防止 */
  margin-inline: auto;
}

.wrapper {
  margin: 0 auto;
  background-color: #911E2B;
  max-width: 100%;
}

html {
  overflow-x: hidden;
}

/* ヘッダー */
header {
  position: fixed;
  width: 100%;
  height: 75px;
  z-index: 100;
  background-color: #070002;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 50px;
}

header h1 {
  width: auto;
  max-width: 175px;
}

/* ハンバーガーメニューアイコン */
.hamburger-menu {
  display: none;
  width: 50px;
  height: 50px;
  position: relative;
  border: none;
  background: transparent;
  appearance: none;
  padding: 0;
  cursor: pointer;
}

/* ナビゲーション */
.navigation {
  display: block;
}

.navigation_list {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.navigation_link {
  display: block;
  font-size: 1.6rem;
  line-height: 3.0;
  font-weight: 700;
  letter-spacing: .03em;
  color: #A58866;
  text-decoration: none;
  transition: all 0.5s ease;
  /* なめらかな変化 */
  position: relative;
}

/* ナビ */
.navigation_list-item .navigation__link::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -4px;
  width: 0;
  height: 1px;
  background: #A58866;
  transition: width 0.3s ease, left 0.3s ease;
}

.navigation_list-item .navigation_link:hover {
  color: #fff;
  opacity: 1.0;
}

/* カタログ請求ボタン */
.navigation_list-item:last-child .navigation_link {
  border-radius: 50px;
  background-color: #fff;
  border: 1px solid #333333;
  padding: 0px 20px;
}

.navigation_list-item:last-child .navigation_link:hover {
  background-color: #A58866;
  color: #fff;
}

.navigation_list-item:last-child .navigation_link::before {
  content: none;
  /* 疑似要素を無効化 */
}


/* ファーストビュー画像 */
#visual_img {
  max-width: 100%;
  margin-top: 75px;
  height: 1080px;
  background-color: #dcdcdc;
  background-image: url(../images/top.jpg);
  background-size: cover;
  background-position: 20% top;
  margin-bottom: 120px;
  position: relative;
}

#visual_img img {
  width: 400px;
  max-width: 550px;
  display: block;
  position: absolute;
  top: 50%;
  left: 65%;
  transform: translate(-50%, -50%) scale(0.9);
  /* 少し縮小から開始 */
  opacity: 0;
  /* 初期は非表示 */
  animation: fadeInScale 1s ease-out 0.5s forwards;
  /* ↑ 1秒で表示, 0.5秒遅れて開始 */
}

/* アニメーション定義 */
@keyframes fadeInScale {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.9);
  }

  100% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
}

/* コンセプト */
.concept {
  width: 100%;
  padding: 150px 0 250px;
  margin-bottom: 50px;
  position: relative;
}

.cake {
  width: 18%;
  margin: 0 auto;
}

.concept .c_text {
  text-align: center;
  width: 100%;
  color: #fff;
  letter-spacing: 0.2em;
}

.concept .c_text h2 {
  font-size: 5.0rem;
  font-weight: 600;
  margin-bottom: 30px;
  font-family: 'ゴシックMB101 DB JIS2004 A1ゴシック R JIS2004', Tahoma, sans-serif;
  text-align: center;
  /* 横中央寄せ */
  opacity: 0;
  /* 初期は透明 */
  transform: translateY(20px);
  /* 少し下にずらしておく */
  transition: opacity 1s ease-out, transform 0.7s ease-out;
}

.concept .c_text p {
  font-size: 1.6rem;
  line-height: 2.1em;
}

/* コンセプトアニメーション */
.concept h2.show {
  opacity: 1;
  /* 表示 */
  transform: translateY(0);
  /* 元の位置 */
}

.c_img1 {
  width: 4%;
  position: absolute;
  top: 1vh;
  left: 31vh;
}

.c_img2 {
  width: 2%;
  position: absolute;
  top: 18%;
  left: 9%;
}

.c_img3 {
  width: 4%;
  position: absolute;
  top: -1vh;
  right: 50vh;
}

.c_img4 {
  width: 2%;
  position: absolute;
  top: 35%;
  right: 14%;
}

.c_img5 {
  width: 4%;
  position: absolute;
  top: 50%;
  right: 5%;
}

.c_img6 {
  width: 3%;
  position: absolute;
  bottom: 29vh;
  right: 33vh;
}

.c_img7 {
  width: 4%;
  position: absolute;
  top: 40vh;
  left: 12vh;
}

.c_img8 {
  width: 2%;
  position: absolute;
  top: 75%;
  left: 8%;
}

.c_img9 {
  width: 4%;
  position: absolute;
  top: 90%;
  right: 18%;
}

.c_img10 {
  width: 2%;
  position: absolute;
  top: 94%;
  left: 21%;
}

.c_img11 {
  width: 4%;
  position: absolute;
  top: 11vh;
  right: 20vh;
}

.c_img12 {
  width: 3%;
  position: absolute;
  top: 12%;
  left: 6%;
}

.c_img13 {
  width: 4%;
  position: absolute;
  top: 60%;
  left: 3%;
}

.c_img14 {
  width: 3%;
  position: absolute;
  bottom: 20%;
  right: 10%;
}

.c_img15 {
  width: 4%;
  position: absolute;
  bottom: 7vh;
  left: 35vh;
}

/* コンセプトの光アニメーション */
.c_img img {
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.8s ease-out, transform 1s ease-out;
}

.c_img img.show {
  opacity: 1;
  transform: scale(1);
}


/* ラインナップ */
.block {
  background: #fff;
  width: 1280px;
  max-width: 90%;
  padding: 70px 25px;
  border-radius: 50px;
  margin: 0 auto 200px;
}

.icon {
  margin-bottom: 50px;
}

.icon h2 {
  font-size: 5.6em;
  color: #A58866;
  font-family: 'Amiri', serif;
  letter-spacing: 0.2rem;
}

#lineup .item ul {
  width: 100%;
  margin: 0 auto 100px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
  justify-content: center;
}

#lineup .item ul li {
  transition: all 0.3s ease-in-out;
}

#lineup .item ul li a {
  display: block;
  transition: all 0.3s ease-in-out;
}

#lineup .item ul li a img {
  width: 100%;
  display: block;
  transition: all 0.3s ease-in-out;
  border-radius: 5px;
  /* 初期状態でも角丸を適用 */
}

#lineup .item ul li:hover a img {
  border-radius: 40px;
  /* ホバー時に画像のみ丸みを増やす */
  opacity: 0.6;
}

#lineup .item ul li a h3 {
  margin-top: 5px;
  color: #333333;
  font-size: 1.6rem;
}


article {
  margin-bottom: 150px;
}

article .img {
  max-width: 50%;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1),
    0 6px 10px rgba(0, 0, 0, 0.05);
  /* 柔らかい影 */
}

.img .pc-img {
  display: block;
}

/* アニメーション */
/* 初期状態：左から隠れてる */
.slide-in {
  opacity: 0;
  transform: translateX(100px);
  transition: opacity 1s ease-out, transform 0.8s ease-out;
}

/* 表示状態：元の位置にスライド */
.slide-in.show {
  opacity: 1;
  transform: translateX(0);
}

.frame {
  max-width: 1280px;
  margin: 0 auto 100px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}


.frame .box .t_a {
  color: #A58866;
  font-size: 4.6em;
  font-family: 'Merriweather', 'Amiri', serif;
  font-weight: 400;
  line-height: 1.2;
}

.frame .box .t_b {
  color: #A58866;
  font-size: 3.6em;
  font-family: 'Merriweather', 'Amiri', serif;
  font-weight: 400;
  margin-bottom: 35px;
}

.box {
  width: 50%;
}

.box h4 {
  color: #333333;
  font-size: calc(16px + 0.5vw);
  letter-spacing: 0.05em;
  font-weight: 400;
  font-family: "ヒラギノ明朝 ProN W3", HiraMinProN-W3, 游明朝体, "Yu Mincho", YuMincho, HG明朝E, "ＭＳ Ｐ明朝", "MS PMincho", "MS 明朝", serif;
  line-break: strict;
  margin-top: 20px;
}

.box p {
  color: #333333;
  font-size: 1.5em;
  font-family: "Noto Serif JP", serif;
  letter-spacing: 0.12em;
  line-height: 2.8rem;
  line-break: strict;
  margin: 20px 0 50px;
}

/* アクセサリー */
#l_19 .frame_2 {
  max-width: 1280px;
  margin: 0 auto 100px;
}

.frame_2 .img {
  width: 70%;
  margin: 0 auto 30px;
}

.l_19_img {
  width: 30%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 50px;
}

.l_19_img p {
  margin-top: 10px;
  font-size: 1.4em;
  text-align: center;
}

.t_a_a {
  color: #A58866;
  font-family: 'Amiri', serif;
  font-size: 4.6rem;
  font-weight: 400;
  letter-spacing: .05em;
  margin-bottom: 30px;
  text-align: center;
}


/* ボタン */
.btn_b {
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  text-align: center;
  gap: 10px;
}

.btn_c {
  width: 50%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  text-align: center;
}

.btn_b li a,
.btn_c li a {
  display: block;
  width: 100%;
  color: #333333;
  background-color: #fff;
  font-size: 1.5em;
  font-weight: 600;
  line-height: 30px;
  border: 1px solid #A58866;
  padding: 25px 90px;
  transition: all 0.3s ease;
  /* なめらかな変化 */
  border: 1px solid currentColor;
  /* テキスト色と統一 */
  white-space: nowrap; /* テキスト折り返し禁止 */
}

.btn_b li a:hover,
.btn_c li a:hover {
  background-color: #A58866;
  color: #fff;
  border-color: #A58866;
}

.category {
  max-width: 1280px;
  margin: 0 auto 100px;
}

.category ul {
  display: grid;
  justify-content: center;
  grid-template-columns: repeat(auto-fit, minmax(170px, 280px));
  gap: 20px;
  align-items: center;
}

/* 動画 */
.video {
  max-width: 1280px;
  margin: 0 auto 100px;
}

.video h3 {
  color: #A58866;
  font-family: 'Amiri', serif;
  font-size: 3.0rem;
  letter-spacing: .05em;
  font-weight: 400;
  margin-bottom: 25px;
  text-align: center;
}

video {
  display: block;
  width: 80%;
  margin: 0 auto;
}

/* 置撮 */
.item_b {
  background-color: #fff;
  margin-bottom: 80px;
}

.item_b h3,
.function h3 {
  color: #A58866;
  font-family: 'Amiri', serif;
  font-size: 3.0rem;
  font-weight: 400;
  letter-spacing: .05em;
  margin-bottom: 30px;
  text-align: center;
}

.item_b ul {
  max-width: 1280px;
  margin: 0 auto 70px;
  display: grid;
  justify-content: center;
  grid-template-columns: repeat(auto-fit, minmax(170px, 210px));
  gap: 50px;
  align-items: flex-start;
}

.item_b ul li {
  text-align: center;
  flex-direction: column;
  justify-content: space-between;
  display: -webkit-flex;
  -webkit-flex-direction: column;
  -webkit-justify-content: space-between;
}

.item_b ul li p {
  margin: 10px;
  color: #333333;
  text-align: center;
}

.item_b ul li h3 {
  font-size: 1.6em;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: 0.12em;
}

.item_b ul li h4 {
  font-size: 1.5em;
  font-weight: 400;
  letter-spacing: 0.12em;
}

.item_b ul li span {
  color: #333333;
  font-size: 1.4em;
}

/* 生地 */
.function {
  margin: 0 auto 100px;
  letter-spacing: 0.12em;
}

.function .function_list ul {
  max-width: 100%;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  line-break: strict;
}

.function div .kiji_a {
  width: 25%;
  margin: 0 auto;
}

.function div .kiji_b {
  width: 40%;
  margin: 0 auto;
}

.function div .kiji_c {
  width: 56%;
  margin: 0 auto;
}

.function div .kiji_d {
  width: 70%;
  margin: 0 auto;
}

.function .function_text {
  color: #333333;
  margin: 15px 0 5px;
  font-size: 1.4em;
  text-align: center;
}

.function .function_name {
  font-size: 1.6em;
  font-weight: 600;
  text-align: center;
  margin: 5px 0;
}

.function_list h5 {
  font-size: 1.5em;
  font-weight: 400;
  text-align: center;
  margin-top: 30px;
}

.function div ul {
  width: 100%;
  margin: 0 auto;
}

.function div ul li {
  margin-bottom: 10px;
  text-align: center;
}

.function div ul li h4 {
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 5px;
}

.function div ul li p {
  font-size: 1.4rem;
  text-align: center;
}

.sp_br {
  display: none;
}

/* 768px以上では改行タグを無効に。 */

/* ラインナップ ボタン */
.btn_a {
  display: flex;
  justify-content: center;
  gap: 30px;
  text-align: center;
}

article #bst .btn_a li {
  background-color: #fff;
}

.btn_a li a {
  background-color: #fff;
  color: #333333;
  font-size: 1.5em;
  font-weight: 600;
  line-height: 30px;
  border: 1px solid #A58866;
  padding: 10px 50px;
  transition: all 0.3s ease;
  /* なめらかな変化 */
}

.btn_a li a:hover {
  background-color: #A58866;
  color: #fff;
  border-color: #A58866;
}

/* 
/* line up  SSS */
.function_list .text {
  font-size: 1.4rem;
  text-align: center;
}

/* line up MFL */
.function .function_text_mfl {
  padding: 20px 0;
  display: flex;
  flex-flow: column;
  gap: 10px;
  align-items: center;
  font-size: 1.5rem;
}

.function div .function_text_mfl li {
  margin-bottom: 0;
  line-height: 1.8;
}

.function_list_mfl .text {
  font-size: 1.5rem;
  text-align: center;
}

/* h 生地*/
.function .function_list .h_fun {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
  margin-top: 20px;
}

/* history */
#history .block-h {
  max-width: 1080px;
  margin: 0 auto 50px;
}

#history .block-h h2 img {
  width: 70%;
}

.sp-img {
  display: none;
}

#history h2 {
  font-size: 5.6rem;
  color: #fff;
  font-family: 'Amiri', serif;
  line-height: 1.6;
}

#history .history_frame {
  display: flex;
  justify-content: space-between;
  gap: 40px;
}

#history .history_image {
  width: 90%;
  max-width: 100%;
}

#history .history_list_a {
  margin: 0 auto 50px;
  padding-bottom: 90px;
  position: relative;
}

#history .history_list_a .history_70th {
  width: 40%;
  position: absolute;
  bottom: -68px;
  right: 0;
}

#history .history_list_a .history_list_1 li {
  width: 100%;
  max-width: 650px;
  margin-bottom: 50px;
}

/* 各年号をスクロールで遅らせて表示させる */
.history_list_a ul li {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.history_list_a ul li.show {
  opacity: 1;
  transform: translateY(0);
}

#history .history_list_a .history_list_1 h3 {
  color: #A58866;
  font-family: 'Amiri', serif;
  font-size: 4.0rem;
  font-weight: 600;
  letter-spacing: .05em;
  margin-bottom: 15px;
  line-height: 1.2;
}

#history .history_list_a .history_list_1 h4 {
  color: #fff;
  font-family: 'Amiri', serif;
  font-size: 2.0rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  line-height: 2.1;
  margin-bottom: 15px;
}

#history .history_list_a .history_list_1 p {
  color: #fff;
  font-size: 1.5rem;
  letter-spacing: 0.15em;
  line-height: 2.1;
  margin-bottom: 5px;
  line-break: strict;
}

#history .history_list_a .history_list_1 p span {
  display: block;
  margin-top: 10px;
}

#history .history_list_a .history_list_1 .mq_70 {
  color: #fff;
  font-size: 2.6rem;
  letter-spacing: 0.15em;
  line-height: 1.8;
  line-break: strict;
}


/* 表紙画像 */
.btn div {
  width: 15%;
  margin: 200px auto 20px;
}

.btn p {
  color: #fff;
  text-align: center;
  font-size: 1.8rem;
  margin-bottom: 50px;
}


/* トップへ戻るボタン */
.top_btn {
  position: fixed;
  bottom: 5%;
  right: 5%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.top_btn.show {
  opacity: 1;
  visibility: visible;
}

.top_btn a {
  width: 80px;
  height: 80px;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #333333;
  font-size: 2.0rem;
  background-color: #A58866;
  border-radius: 50%;
  text-align: center;
  position: relative;
}

.arrow {
  width: 18px;
  height: 18px;
  border-top: 3px solid #fff;
  border-right: 3px solid #fff;
  transform: rotate(-45deg);
}

/* ホバー時に少し拡大 */
.top_btn a:hover {
  transform: scale(1.1);
  /* 1.1倍に拡大 */
}

/* フッター */
footer {
  margin-top: 200px;
  background-color: #333333;
  color: #fff;
}

.wrapper3 {
  max-width: 1280px;
  margin: 0 auto;
  padding: 100px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.footer_box_2 {
  display: flex;
  justify-content: space-between;
  width: 40%;
  gap: 30px;
}

.footer_box_3 ul li a {
  display: block;
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 5px;
}

.footer_box_3 ul li a:hover {
  color: #A58866;
}

.footer_box_3 div ul {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.footer_box_3 p {
  font-size: 1.8em;
  color: #A58866;
  font-weight: 600;
  margin-bottom: 10px;
}

.chikuma {
  margin-bottom: 20px;
  font-weight: 600;
}

.chikuma h2 {
  font-size: 3.0em;
}

.chikuma h3 {
  font-size: 2.2em;
}

.company {
  margin: 0 0 10px 10px;
}

.campany:last-child {
  margin-bottom: none;
}

.company h2 {
  font-size: 1.8em;
  font-weight: 500;
}

.company address {
  font-size: 1.5em;
}

footer small {
  display: block;
  background-color: #333333;
  color: #FFFAF1;
  font-size: 1.4em;
  line-height: 30px;
  text-align: center;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
}

/* 1280px以下のときに適用 */
@media screen and (max-width: 1280px) {

  /* header */
  header {
    padding: 10px 20px;
  }

  /* ファーストビュー */
  #visual_img {
    height: 115vh;
    background-image: url(../images/top_sp.jpg);
    background-position: 50% 20%;
  }

  #visual_img img {
    width: 258px;
    position: absolute;
    left: 50%;
    top: 22%;
  }

  /* コンセプト */
  .concept {
    width: 100%;
    /* height: 120vh; */
    margin-bottom: 120px;
  }

  .cake {
    width: 33%;
  }

  .concept div {
    letter-spacing: 0.2em;
  }

  .concept div h2 {
    font-size: 3.2rem;
    margin-bottom: 30px;
  }

  .c_img1 {
    width: 5%;
    position: absolute;
    top: -2%;
    left: 37%;
  }

  .c_img2 {
    width: 3%;
    position: absolute;
    top: 35%;
    left: 9%;
  }

  .c_img3 {
    width: 3%;
    position: absolute;
    top: -5%;
    right: 52%;
  }

  .c_img4 {
    width: 3%;
    position: absolute;
    top: 35%;
    right: 15%;
  }

  .c_img5 {
    width: 5%;
    position: absolute;
    top: 45%;
    right: 6%;
  }

  .c_img6 {
    width: 4%;
    position: absolute;
    bottom: 30%;
    right: 82%;
  }

  .c_img7 {
    width: 5%;
    position: absolute;
    top: 10%;
    left: 10%;
  }

  .c_img8 {
    width: 4%;
    position: absolute;
    top: 97%;
    left: 23%;
  }

  .c_img9 {
    width: 4%;
    position: absolute;
    top: 72%;
    right: 10%;
  }

  .c_img10 {
    width: 3%;
    position: absolute;
    top: 90%;
    left: 10%;
  }

  .c_img11 {
    width: 7%;
    position: absolute;
    top: 27%;
    right: 80%;
  }

  .c_img12 {
    width: 5%;
    position: absolute;
    top: 4%;
    left: 76%;
  }

  .c_img13 {
    width: 6%;
    position: absolute;
    top: 80%;
    left: 10%;
  }

  .c_img14 {
    width: 6%;
    position: absolute;
    bottom: 6%;
    right: 10%;
  }

  .c_img15 {
    width: 4%;
    position: absolute;
    bottom: 2%;
    left: 51%;
  }

  .item_b ul li span {
    margin-bottom: 10px;
  }

  /* ラインナップ 見出し*/
  article .img {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1), 0 6px 10px rgba(0, 0, 0, 0.05);
  }

  .btn_b {
    justify-content: center;
    flex-wrap: wrap;
    gap: 50px;
    align-items: center;
  }

  .box p {
    margin-bottom: 50px;
  }

  /* ラインナップ */
  article .img img {
    max-width: 100%;
  }

  .frame .line_up_back {
    width: 90%;
  }

  .frame .box .t_a {
    font-size: 3.8em;
  }

  /* ラインナップ モデル画像 */
  .item_b h3,
  .function h3 {
    font-size: 2.6rem;
    font-weight: 400;
    letter-spacing: .05em;
    margin-bottom: 20px;
    text-align: center;
  }

  .category ul {
    grid-template-columns: repeat(auto-fit, minmax(170px, 260px));
    gap: 15px;
  }

  /* ラインナップ 動画・生地 */
  .box_b {
    flex-direction: column;
    align-items: center;
    gap: 30px;
  }

  .box_b .video video {
    display: block;
    max-width: 100%;
    /* 画面幅を超えないように調整 */
    margin: 0 auto;
    height: auto;
  }

  .function {
    width: 100%;
  }

  .function div ul {
    flex-direction: column;
    align-items: center;
    gap: 10px
  }

  .function p {
    margin: 0;
  }

  .function_img {
    display: block;
    padding-bottom: 30px;
  }

  /* ラインナップ ハレクトーン 生地*/
  .function .function_list .h_fun {
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .function div ul li {
    text-align: center;
  }

  /* ラインナップ 置撮 */
  .item_b ul {
    grid-template-columns: repeat(auto-fit, minmax(170px, 190px));
    gap: 30px;
  }

  /* ヒストリー */

  #history .history_frame {
    flex-direction: column;
  }

  #history .history_list_a {
    margin: 0 30px;
  }

  #history h2 {
    font-size: 5.6rem;
  }

  #history h2 {
    line-height: 1.6;
  }

  #history .block-h h2 img {
    width: 60%;
  }

  #history .icon_h h2 {
    font-size: 6.5rem;
  }

  .btn div {
    width: 25%;
    margin: 150px auto 20px;
  }

  /* フッター */
  .wrapper3 {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 100px 20px;
  }

  .footer_box_1 {
    width: 100%;
    margin-bottom: 40px;
  }

  .chikuma h2 {
    font-size: 2.5em;
  }

  .chikuma h3 {
    font-size: 2em;
  }

  .company {
    margin: 0 auto 20px;
  }

  .company h2 {
    font-size: 1.6em;
  }

  .company address {
    font-size: 1.4em;
  }

  .footer_box_1 .company_box {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .footer_box_1 .company_box .company {
    width: 80%;
  }

  .company address span {
    width: 150px;
    margin: 0 auto;
  }

  .footer_box_2 {
    width: 100%;
    flex-wrap: wrap;
    align-items: center;
    gap: 20px;
  }

  .footer_box_3 {
    width: 100%;
  }

  .footer_box_3 ul {
    padding: 0;
  }

  .footer_box_3 ul li a {
    font-size: 1.4em;
  }

  .footer_box_3 p {
    font-size: 1.6em;
  }

  .footer_box_3 div ul {
    justify-content: center;
  }

  .footer_box_3 div ul li {
    margin: 0 10px;
  }

  .footer_box_3 div ul li img {
    width: 20px;
    height: 20px;
  }

  .footer_copy {
    padding: 20px 0;
  }

  footer small {
    font-size: 1.2em;
  }
}

/* タブレット向け */
@media screen and (max-width: 768px) {

  /* ハンバーガーメニュー */
  .navigation {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  position: absolute;
  top: 60px; /* ヘッダーの高さに合わせて調整 */
  left: 0;
  width: 100%;
  background: #070002;
  transition: max-height 0.5s ease, opacity 0.5s ease;
  z-index: 9999;
}

.navigation.open {
  max-height: 500px; /* メニューの高さに合わせて調整 */
  opacity: 1;
}

.navigation_list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.navigation_list-item {
  border-bottom: 1px solid #A58866;
  display: block;
  width: 100%;
  text-align: center;
}

.navigation_link {
  display: block;
  width: 100%;
  padding: 1.5em 1em;
  color: #A58866;
  text-decoration: none;
}

.hamburger-menu {
  display: block;
  position: relative;
  width: 50px;
  height: 50px;
  z-index: 10001;
  background: transparent;
  border: none;
  cursor: pointer;
}

.hamburger-menu_bar {
  width: 44%;
  height: 2px;
  background: #A58866;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  transition: 0.5s;
}

.hamburger-menu_bar:nth-child(1) {
  top: 16px;
}

.hamburger-menu_bar:nth-child(2) {
  top: 24px;
}

.hamburger-menu_bar:nth-child(3) {
  top: 32px;
}

.hamburger-menu--open .hamburger-menu_bar:nth-child(1) {
  transform: translateX(-50%) translateY(-50%) rotate(45deg);
  top: 50%;
}

.hamburger-menu--open .hamburger-menu_bar:nth-child(2) {
  display: none;
}

.hamburger-menu--open .hamburger-menu_bar:nth-child(3) {
  transform: translateX(-50%) translateY(-50%) rotate(-45deg);
  top: 50%;
}

  .navigation_list-item:last-child .navigation_link {
    width: 100%;
    padding-block: 1.5em;
    padding-inline: .5em;
    margin: 0;
    background-color: #070002;
    border: none;
  }

  /* ナビゲーション ボタンスタイルリセット */
  .navigation_list-item .navigation_link::before {
    content: none;
  }

  .navigation_list-item .navigation_link:hover::before {
    width: 100%;
    left: 0;
  }

  /* カタログ請求 ボタンスタイルリセット */
  .navigation_list-item:last-child .navigation_link {
    display: block;
    width: 100%;
    text-decoration: none;
    padding-block: 1.5em;
    padding-inline: .5em;
  }

  .navigation_list-item:last-child .navigation_link:hover {
    background-color: #070002;
    color: #A58866;
  }

  /* ファーストビュー */
  #visual_img {
    height: 100vh;
  }

  #visual_img img {
    width: 220px;
  }

  /* コンセプト */
  .concept {
    width: 100%;
    height: 100vh;
    margin-bottom: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .cake {
    width: 40vw;
    /* スマホで見やすいサイズ */
    margin: 0 auto 10px;
    /* 中央寄せ */
    display: block;
  }

  .concept .c_text h2 {
    font-size: 3.0rem;
    margin-bottom: 20px;
  }

  .c_img1 {
    width: 5%;
    position: absolute;
    top: -4%;
    left: 50%;
  }

  .c_img2 {
    width: 4%;
    position: absolute;
    top: -1%;
    left: 10%;
  }

  .c_img3 {
    width: 4vh;
    position: absolute;
    top: 10%;
    right: 5%;
  }

  .c_img4 {
    width: 4%;
    position: absolute;
    top: 37%;
    right: 7%;
  }

  .c_img5 {
    display: none;
  }

  .c_img6 {
    width: 4%;
    position: absolute;
    bottom: -3%;
    right: 78%;
  }

  .c_img7 {
    display: none;
  }

  .c_img8 {
    width: 4vh;
    position: absolute;
    top: 100%;
    left: 82%;
  }

  .c_img9 {
    width: 4%;
    position: absolute;
    top: 90%;
    right: 17%;
  }

  .c_img10 {
    width: 6vh;
    position: absolute;
    top: 92vh;
    left: 10%;
  }

  .c_img11 {
    width: 5vh;
    position: absolute;
    top: -6vh;
    right: 7vh;
  }

  .c_img12 {
    width: 7%;
    position: absolute;
    top: 10%;
    left: 10%;
  }

  .c_img13 {
    width: 9%;
    position: absolute;
    top: 2%;
    left: 29%;
  }

  .c_img14 {
    display: none;
  }

  .c_img15 {
    width: 10%;
    position: absolute;
    bottom: 10%;
    left: 43%;
  }

  /* ラインナップのメニュー */
  #lineup .item ul {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)) !important;
    /* スマホでは可変 */
    gap: 20px;
  }

  #lineup .item ul li a h3 {
    margin-top: 3px;
    font-size: 1.4rem;
  }

  /* ラインナップ */
  .frame {
    display: flex;
    flex-direction: column;
    margin: 0 auto 100px;
  }

  .icon h2 {
    font-size: 3.8em;
  }

  article .img {
    max-width: 100%;
  }

  .box {
    width: 95%;
  }

  .category ul {
    grid-template-columns: repeat(auto-fit, minmax(140px, 160px));
    gap: 15px;
  }

  /* ラインナップ 動画 */
  video {
    width: 100%;
  }

  /* 商品画像 */
  .item_b ul {
    grid-template-columns: repeat(auto-fit, minmax(140px, 165px));
    gap: 7px;
  }

  /* ラインナップ ボタン */
  .btn_a {
    flex-wrap: wrap;
    align-items: center;
    gap: 30px;
  }

  .btn_a li a {
    display: block;
    width: 250px;
    padding: 10px 0;
  }

  .btn_b {
    align-items: center;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 15px;
  }

  .btn_b li a {
    display: block;
    width: 250px;
    padding: 10px 0;
  }

  .box h3 {
    font-size: 3.2rem;
  }

  .sp_br {
    display: block;
  }

  /* 768px未満で改行タグを有効に。 */

  /* 生地 */
  .function div .kiji_a {
    width: 43%;
  }
  .function div .kiji_b {
    width: 60%;
  }
  .function div .kiji_c {
    width: 82%;
  }
  .function div .kiji_d {
    width: 100%;
  }

/* アクセサリー */
#l_19 .l_19_img {
  width: 20%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 30px;
}

  /* ヒストリー */
  .history_image .sp-img {
    display: block;
    width: 100%;
  }
  #history .history_list_a .history_list_1 li {
    margin-bottom: 60px;
}
  #history .history_list_a .history_list_1 h4 {
    font-size: 1.8rem;
    line-height: 1.8;
  }

  #history .history_list_a .history_list_1 p {
    font-size: 1.5rem;
    line-height: 2.1;
  }

  #history .history_frame .history_list_1 {
    margin: 0 auto 50px;
    padding-bottom: 0px;
    gap: 0;
  }


  /* スマートフォン向け */
  @media screen and (max-width: 428px) {
    .block {
      padding: 50px 10px;
    }

    /* ファーストビュー */
    #visual_img img {
      width: 26vh;
    }

    /* コンセプト */
    .concept {
      height: 100vh;
    }

    .concept div {
      padding: 0 24px;
    }

    .cake {
      width: 70%;
    }

    .concept .c_text h2 {
      font-size: 2.3rem;
    }

    .concept .c_text p {
      font-size: 1.5rem;
      letter-spacing: 0.04em;
      line-height: 1.2em;
      word-break: keep-all;
      /* 日本語の単語を崩さない */
      overflow-wrap: break-word;
      /* はみ出す長い英単語やURLを折り返す */
      white-space: normal;
      /* 通常の折り返しを有効にする */
      max-width: 100%;
      /* 画面幅を超えない */
      hyphens: auto;
      /* 英単語の折り返しを自然に */
      line-height: 1.8;
    }

    .c_img9 {
      width: 7%;
      position: absolute;
      top: 90%;
      right: 25%;
    }

    .c_img10 {
      width: 7%;
      position: absolute;
      top: 92%;
      left: 10%;
    }

    .c_img15 {
      width: 10%;
      top: 84%;
      left: 38%;
    }

    .icon {
      margin-bottom: 20px;
    }


    /* ラインナップ */
    article {
      margin-bottom: 100px;
    }

    #lineup .item ul {
      grid-template-columns: repeat(auto-fit, minmax(125px, 1fr)) !important;
      gap: 8px;
    }

    #lineup .item ul li a h3 {
      font-size: 1.3rem;
    }

    .box {
      width: 100%;
      padding: 25px;
    }

    .frame .box .t_a {
      font-size: 3.2em;
    }

    .frame .box .t_b {
      font-size: 2.8em;
      font-weight: 400;
      margin-bottom: 35px;
    }

    .function div .kiji_d {
      width: 100%;
    }

    .box p {
      margin-bottom: 40px;
      overflow-wrap: break-word;
      /* はみ出す長い英単語やURLを折り返す */
      white-space: normal;
      /* 通常の折り返しを有効にする */
      max-width: 100%;
      /* 画面幅を超えない */
      hyphens: auto;
      /* 英単語の折り返しを自然に */
      line-height: 1.8;
    }

    .category ul {
      grid-template-columns: repeat(auto-fit, minmax(140px, 150px));
      gap: 10px;
    }

    .category {
      max-width: 1280px;
      margin: 0 auto 50px;
    }

    /* ラインナップ 置撮 */
    .item_b ul {
      grid-template-columns: repeat(auto-fit, minmax(140px, 150px));
      gap: 5px;
    }

    .item_b ul li span {
      font-size: 1.2em;
    }

    .item_b ul li span {
      margin-bottom: 10px;
    }

    .item_b ul li h3 {
      margin-bottom: 3px;
    }

    .function {
      margin: 0 auto 50px;
    }

    .btn_a {
      gap: 15px;
    }

    /* ラインナップ 生地 */
    .function {
      width: 90%;
    }

    .function .function_text {
      word-break: keep-all;
      /* 日本語の単語を崩さない */
      overflow-wrap: break-word;
      /* はみ出す長い英単語やURLを折り返す */
      white-space: normal;
      /* 通常の折り返しを有効にする */
      max-width: 100%;
      /* 画面幅を超えない */
      hyphens: auto;
      /* 英単語の折り返しを自然に */
    }

    #l_19 .frame_2 {
      margin: 0 auto 0px;
    }

    /* アクセサリー */
    .t_a_a {
      font-size: 3.2rem;
    }

    .frame_2 .img {
      width: 70%;
    }

    .block {
      margin: 0 auto 100px;
    }

    /* ヒストリー */
    .history_image .sp-img {
      display: block;
      width: 105%;
    }

    #history .history_frame {
      display: flex;
      flex-direction: column;
    }

    #history h2 {
      font-size: 3.8rem;
    }

    #history .block-h h2 img {
      width: 85%;
    }

    #history .history_list_a {
      display: flex;
      flex-direction: column;
    }

    #history .history_list_a .history_list_1 .mq_70 {
      font-size: 1.8rem;
    }

    #history .history_list_a .history_70th {
      width: 60%;
      position: absolute;
      bottom: 0px;
      right: 0;
    }
    #history .history_list_a .history_list_1 h3 {
      font-size: 3.2rem;
      margin-bottom: 5px;
  }

    /* ボタン */
    .btn_c {
      width: 90%;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 25px;
    }

    .btn div {
      width: 50%;
      margin: 100px auto 20px;
    }
  }
}