.input-prepend.input-append input {
  font-size: 24px;
  padding-top: 11px;
  padding-bottom: 11px;
  width: 100px;
  text-align: right;
}

.product {
  margin-bottom: 40px;
}

.product_area {
  border-bottom: 1px solid #333;
  padding-bottom: 40px;
}
.product_area_left {
  float: left;
  padding: 0;
}
.product_area_right {
  float: right;
  padding: 0;
}

.product_tabs {
  border-bottom: 1px solid #333;
}
.product_tab {
  display: inline-block;
  background-color: #f6f6f6;
  text-align: center;
  padding: 10px 0;
}
.product_tab.active {
  background-color: #333;
}
.product_tab a {
  display: block;
  font-size: 14px;
  font-weight: bold;
  letter-spacing: 0.1em;
}
.product_tab.active a,
.product_tab.active a:hover {
  color: #fff;
  text-decoration: none;
}

.product_panel {
  display: none;
}
.product_panel.active {
  display: block;
}
.product_panel_image,
.product_panel_review {
  text-align: center;
}

.product_belong_lists {
  margin: 40px 0 20px;
  font-size: 12px;
}
.product_belong_list {
  padding: 0 2px;
}
.product_belong_list:first-child {
  padding: 0 2px 0 0 ;
}

.product_name {
  margin: 0;
  font-size: 20px;
  font-weight: normal;
}
.product_model {
  margin: 0;
  font-size: 10px;
}

.product_img {
  margin-bottom: 60px;
}
.product_img_main img {
  display: block;
  margin: 0 auto;
  height: auto;
}
.product_img_thumb li {
  float: left;
  margin-top: 10px;
  cursor: pointer;
}
.product_img_thumb_img {
  max-width: 100%;
  width: auto;
  height: auto;
  border: 1px solid #ccc;
}
.thumb_active {
  border: 1px solid #333;
}

.together_product_lists {
  margin-top: 20px;
  font-size: 12px;
}
.together_product_list {
  text-align: center;
}

.product_price_area {
  margin: 20px 0 0;
}
.product_regular_price {
  margin: 0 0 5px;
  font-size: 12px;
}
.product_price {
  margin: 0;
  font-size: 20px;
}
.product_price_discount {
  color: #cf0400;
}
.product_discount_rate {
  color: #cf0400;
  font-size: 20px;
}
.product_price_establish {
  margin: 0;
  font-size: 10px;
}
.product_stock_str {
  margin: 20px 0 0;
  font-size: 12px;
}

.product_cart_area {
  background-color: #f6f6f6;
  margin: 30px 0;
  padding: 10px 20px 20px;
  font-size: 12px;
}
.product_cart_table_box {
  margin-top: 20px;
  background-color: #fff;
  font-size: 12px;
}
.product_cart_table_box label {
  font-size: 12px;
}
.product_cart_select_box {
  margin: 5px 0;
}
.product_cart_select_name {
  padding-top: 10px;
  padding-bottom: 5px;
}
.product_cart_select {
  border: 1px solid #333;
  height: 40px;
}
.text-titles-list__unit {
  margin: 5px 0;
}
.text-titles-list__unit dl {
  margin: 0;
}
.text-titles-list__name {
  padding-top: 10px;
  padding-bottom: 5px;
  font-weight: normal;
}
.text-titles-list__detail-text {
  border: 1px solid #333;
  height: 40px;
}
.product_cart_order {
  margin: 5px 0;
}
.product_cart_init_num {
  width: 20%;
  height: 30px;
  text-align: right;
  float: left;
}
.product_cart_unit {
  float: left;
  padding-top: 12px;
  padding-left: 20px;
}
.product_cart_init {
  display: none;
}

.sizeguide_table_box {
  border-top: 1px solid #ccc;
  padding-top: 40px;
  margin-top: 20px;
}

.sizeguide_table {
  margin: 20px 0;
}

.btn-addcart,
.btn-reviews {
  border: none;
  margin-top: 30px;
  padding: 18px 0;
  background-color: #333;
  font-size: 18px;
  color: #fff;
  *background-color: #333;
  letter-spacing: 0.1em;
}
.btn-addcart:hover,
.btn-addcart:focus,
.btn-addcart:active,
.btn-reviews:hover,
.btn-reviews:focus,
.btn-reviews:active {
  background-color: #666;
  color: #fff;
  *background-color: #666;
}
.btn-addcart i,
.btn-addcart-quick i,
.btn-reviews i {
  margin-right: 5px;
  vertical-align: -25%;
}

.btn-addcart-quick,
.btn-membersonly {
  margin-top: 20px;
  padding: 10px 0;
  font-size: 18px;
  letter-spacing: 0.1em;
}
.btn-addcart-quick {
  border: none;
  background-color: #007fff;
  color: #fff;
  *background-color: #007fff;
}
.btn-addcart-quick:hover,
.btn-addcart-quick:focus,
.btn-addcart-quick:active {
  background-color: #4ca5ff;
  color: #fff;
  *background-color: #4ca5ff;
}

.btn-soldout {
  border: none;
  margin-top: 20px;
  padding: 18px 12px;
  background-color: #cf0400;
  font-size: 18px;
  color: #fff;
  *background-color: #cf0400;
  letter-spacing: 0.1em;
}
.btn-soldout.disabled,
.btn-soldout[disabled] {
  background-color: #cf0400;
  color: #fff;
}

.btn_pis_width,
.btn_revies_width {
  width: 300px;
}

.stock_error {
  margin: 0;
  text-align: center;
  color: #cf0400;
}

.product_related_lists {
  margin: 20px 0 0;
  font-size: 12px;
}
.product_related_lists_review {
  margin: 30px 0 0;
}
.product_related_list {
  padding: 2px 0;
}

.product_related_lists i {
  vertical-align: -40%;
}

.product_explain,
.product_img_sub,
.product_reviews {
  line-height: 1.8;
  margin-top: 40px;
}

.product_img_sub li {
  text-align: center;
  padding-bottom: 10px;
}

.product_text_not {
  text-align: center;
}

.reviewlist_datas {
  overflow: hidden;
  zoom: 1;
  margin-bottom: 10px;
  line-height: 1.2;
}

.icon_star {
  float: left;
  /* 星10個での設定は下記を有効にする */
  /*
  width: 150px;
  */
  /* 星5個での設定は下記を有効にする */
  width: 75px;
  overflow: hidden;
}

.icon_star img {
  max-width: inherit;
}

.review_poster li {
  float: left;
  margin-left: 10px;
}

.review_poster li {
  list-style: none;
}

.reviewlist:first-child {
  border-top: none;
}

.reviewlist {
  padding-top: 20px;
  margin-top: 20px;
  border-top: 1px solid #ccc;
  text-align: left;
}

.review_ttl,
.shopcomment_ttl {
  font-size: 14px;
  font-weight: bold;
  margin-bottom: 10px;
}

.review_img {
  float: right;
  margin: 0 0 10px 10px
}

.reviewlist_content {
  overflow: hidden;
  zoom: 1;
}

.shopcomment {
  margin-top: 10px;
  margin-bottom: 10px;
  background: #eee;
  padding: 15px;
}

@media (min-width: 980px) {
  .product_area_left {
    width: 540px;
    float: left;
    padding: 0;
  }
  .product_area_right {
    width: 400px;
    float: right;
    padding: 0;
  }
}

@media (min-width: 768px) {
  .product_explain,
  .product_img_sub,
  .product_reviews {
    padding: 0 1%;
  }
}

@media (max-width: 980px) {
  .contents_detail {
    width: 100%;
    float: none;
    padding: 0;
  }

  .product_area_left,
  .product_area_right {
    padding-right: 1%;
    padding-left: 1%;
  }
}

@media (max-width: 768px) {
  .product_area_right {
    float: none;
    padding: 0;
  }
  .product_img {
    margin-bottom: 30px;
  }

  .product_detail_area,
  .product_social_lists {
    padding: 0 10px;
  }
  .product_tab a {
    font-size: 12px;
  }
  .product_explain,
  .product_img_sub {
    font-size: 12px;
    padding: 0 10px 60px;
  }
  .product_reviews {
    font-size: 12px;
    padding: 0 10px 20px;
  }
  .product_reviews_btn {
    padding-bottom: 60px;
  }
  .together_product_lists {
    padding: 0 10px 30px;
  }

  .btn_pis_width,
  .btn_revies_width {
    width: 100%;
  }
}


/*----ここから追加分 2025.09.05------

/* ===========================================
   共通ラッパー・レイアウト
   =========================================== */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    box-sizing: border-box;
}

/* ===========================================
   注文情報ボックス
   =========================================== */
.order-info {
    position: relative;
    padding: 0.5em 1em;
    margin: 2em 0;
    border: 3px solid #df4d4d;
    background: #ffffff;
}

.order-info-label {
    position: absolute;
    display: inline-block;
    bottom: 100%;
    left: -3px;
    padding: 0 9px;
    height: 30px;
    line-height: 30px;
    font-size: 17px;
    background: #df4d4d;
    font-weight: bold;
    border-radius: 5px 5px 0 0;
    color: #ffffff;
}

.order-info p {
    margin: 1em;
    padding: 1em;
    font-size: 16px;
    text-align: left;
}

/* ===========================================
   対応車種
   =========================================== */
.compatible-cars {
    margin: 2em 0;
}

.compatible-cars h2 {
    font-size: 1.5em;
    margin-bottom: 1em;
}

.compatible-cars iframe {
    width: 100%;
    height: 550px;
    border: none;
}

/* ===========================================
   レスポンシブ画像
   =========================================== */
.responsive-image {
    display: block;
    max-width: 80%;
    width: 100%;
    height: auto;
    margin: 2em auto;
}

/* ===========================================
   商品説明コンテナ（特徴・おすすめポイント）
   =========================================== */
.product-container {
    display: flex;
    gap: 20px;
    margin: 30px 0;
}

.product-box {
    flex: 1;
    background-color: #ffffff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    min-width: 280px;
}

.product-box h3 {
    color: #df4d4d;
    margin-top: 0;
    margin-bottom: 0.8em;
    font-size: 1.3em;
}

.product-box ul {
    list-style: none;
    padding-left: 0;
    margin: 10px 0 0 0;
}

.product-box li {
    margin-bottom: 0.6em;
    line-height: 1.5em;
    font-size: 1em;
    color: #555;
}

.product-box li::before {
    content: "\2714";
    color: #df4d4d;
    margin-right: 0.6em;
}

/* ===========================================
   カラーバリエーション
   =========================================== */
   .color-variants {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* 横4つ */
    gap: 20px;
    justify-items: center; /* 画像を中央寄せ */
}

.color-variants h2 {
    grid-column: 1 / -1; /* 見出しは横幅いっぱいに */
    text-align: left;   /* 左寄せ（必要ならcenterに変更） */
}

.design-group {
    display: block;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 40px;
    background: #fafafa;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.05);
}

.design-group h3 {
    margin-bottom: 20px;
    border-left: 6px solid #0073e6;
    padding-left: 12px;
    font-size: 1.2em;
    color: #333;
}

.color-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.color-item {
    text-align: center;
    max-width: 200px;
    margin: 0 auto;
}

.color-item img {
    width: 100%;
    max-width: 140px;
    height: auto;
    border: 1px solid #ddd;
    border-radius: 10px;
    background: #fff;
    padding: 8px;
    box-sizing: border-box;
    margin: 0 auto;
    display: block;
    transition: transform 0.2s, box-shadow 0.2s;
}

.color-item img:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.color-item span {
    display: block;
    margin-top: 10px;
    font-size: 0.9em;
    color: #555;
}

.design-btn-wrap {
    text-align: center;
    margin-top: 20px;
}

.design-page-btn {
    display: inline-block;
    background-color: #007BFF;
    color: #fff;
    font-weight: bold;
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    transition: background-color 0.3s, transform 0.2s;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.design-page-btn:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

/* ===========================================
   商品画像ギャラリー
   =========================================== */
.product-images {
    display: flex;
    flex-direction: column;
    gap: 25px;
    width: 90%;
    max-width: 1200px;
    margin: 30px auto;
}

.product-images img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* ===========================================
   スペックテーブル
   =========================================== */
table {
    width: 100%;
    max-width: 900px;
    border-collapse: collapse;
    margin: 30px auto;
    font-family: "ヒラギノ角ゴシック", "Hiragino Kaku Gothic Pro", Meiryo, sans-serif;
    background-color: #f9f9f9;
}

th {
    text-align: left;
    padding: 12px 15px;
    background-color: #f0f0f0;
    font-weight: bold;
    width: 150px;
    vertical-align: top;
    border-bottom: 2px solid #ddd;
}

td {
    padding: 12px 15px;
    border-bottom: 1px solid #eee;
    white-space: pre-line;
}

tr:nth-child(even) td {
    background-color: #ffffff;
}

tr:nth-child(odd) td {
    background-color: #fdfdfd;
}

/* ===========================================
   カスタムオーダーセクション
   =========================================== */
.custom-order {
    max-width: 700px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fdfdfd;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-family: "Yu Gothic", "Hiragino Kaku Gothic Pro", sans-serif;
    color: #333;
    line-height: 1.6;
}

.co-title {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: #df4d4d;
}

.co-intro {
    text-align: left;
    margin-bottom: 25px;
    font-size: 1rem;
}

.co-subtitle {
    font-size: 1.2rem;
    margin-bottom: 10px;
    margin-top: 20px;
    border-bottom: 1px solid #e0e0e0;
    padding-bottom: 5px;
    text-align: center;
}

.co-features {
    list-style-type: disc;
    text-align: left;
    margin: 0 auto 20px auto;
    padding-left: 1.2em;
    max-width: fit-content;
}

.co-steps {
    list-style-type: decimal;
    text-align: left;
    margin: 0 auto 20px auto;
    padding-left: 1.2em;
    max-width: fit-content;
}

.co-features li,
.co-steps li {
    line-height: 1.6;
    margin-bottom: 0.5em;
}

.co-note {
    font-size: 0.9rem;
    color: #666;
    text-align: center;
}

.custom-order ul {
    list-style: none;
    padding-left: 0;
    margin-left: 0;
}

.custom-order img {
    width: 100%;
    max-width: 560px;
    height: auto;
    margin: 15px auto;
    border-radius: 6px;
    display: block;
}

.custom-order-btn {
    display: block;
    background-color: #df4d4d;
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    padding: 12px 25px;
    border-radius: 6px;
    font-size: 16px;
    margin: 20px auto;
    width: fit-content;
    transition: transform 0.2s, background-color 0.2s;
}

.custom-order-btn:hover {
    background-color: #c03d3d;
    transform: scale(1.05);
}

/* ===========================================
   ボタンスタイル
   =========================================== */
.btn-wrapper {
    text-align: center;
    margin: 40px 0;
}

.btn-link {
    display: inline-block;
    padding: 12px 32px;
    background: #bbbbbb;
    color: #fff;
    text-decoration: none;
    font-size: 1.1rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: background 0.2s ease, transform 0.2s ease;
}

.btn-link:hover {
    background: #a3a3a3;
    color: #fff;
    transform: translateY(-1px);
}

.btn-link:active {
    background: #979797;
    transform: translateY(1px);
}

/* ===========================================
   その他のデザインセクション
   =========================================== */
.other-designs-container {
    max-width: 600px;
    margin: 0 auto 30px auto;
    text-align: center;
    font-family: Arial, sans-serif;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background: #f9f9f9;
}

.other-designs-title {
    font-size: 1.3em;
    margin-bottom: 20px;
    color: #333;
    text-align: center;
}

.other-designs {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}

.design-item {
    width: 100%;
    text-align: center;
}

.design-item img {
    width: 100%;
    height: auto;
    border-radius: 5px;
}

.design-btn {
    display: inline-block;
    margin-top: 10px;
    padding: 8px 18px;
    background-color: #007bff;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.9em;
    transition: background 0.3s;
}

.design-btn:hover {
    background-color: #0056b3;
}

/* ===========================================
   レスポンシブデザイン
   =========================================== */

/* タブレット・スマホ */
@media screen and (max-width: 768px) {
    .container {
        width: 100%;
        padding: 0 10px;
    }

    .product-container {
        flex-direction: column;
    }

    .product-box {
        padding: 0.8em 1em;
    }

    .product-box h3 {
        font-size: 1.2em;
    }

    .product-box li {
        font-size: 0.95em;
        line-height: 1.4em;
    }

    .color-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
}

/* スマホ（小画面） */
@media screen and (max-width: 600px) {
    table {
        font-size: 14px;
    }

    th {
        width: 100px;
    }

    .product-images {
        width: 95%;
    }
}

@media screen and (max-width: 480px) {
    .product-box {
        padding: 0.6em 0.8em;
    }

    .product-box h3 {
        font-size: 1.1em;
    }

    .product-box li {
        font-size: 0.9em;
        line-height: 1.3em;
    }

    .co-title {
        font-size: 1.5rem;
    }

    .custom-order {
        padding: 15px;
    }
}