html {
      scroll-behavior: smooth;
  }


  .sale100-page {
      max-width: 1180px;
      margin: 0 auto;
      padding: 24px 16px 64px;
      color: #333;
      font-size: 16px;
      line-height: 1.9;
      box-sizing: border-box;
  }

  .sale100-page * {
      box-sizing: border-box;
  }

  .sale100-page img {
      max-width: 100%;
      height: auto;
      display: block;
  }

  .sale100-page a {
      color: inherit;
  }

  .sale100-page__hero {
      margin: 0 auto 36px;
      text-align: center;
  }

  .sale100-page__hero img {
      width: 100%;
      max-width: 1180px;
      margin: 0 auto;
      border-radius: 12px;
  }

  .sale100-page__lead {
      max-width: 1080px;
      margin: 0 auto 24px;
      padding: 28px 0;
      /*background: #fff8f0;
    border: 1px solid #ead6bd;*/
      border-radius: 12px;
  }

  .sale100-page__leadMain {
      margin: 0 0 18px;
      font-size: 24px;
      font-weight: 700;
      line-height: 1.6;
      text-align: center;
      color: #7a1f1f;
  }

  .sale100-page__lead p {
      margin: 0 0 1.2em;
  }

  .sale100-page__lead p:last-child {
      margin-bottom: 0;
  }

  .sale100-page__em {
      color: #b91c1c;
      font-weight: 700;
  }

  .sale100-page__section {
      margin: 64px auto;
      padding-top: 10px;
      border-top: 1px solid #e5e0d8;
      font-size: 15px;
      line-height: 1.5em;
  }

  .sale100-page__title {
      display: flex;
      align-items: center;
      gap: 14px;
      margin: 0 0 28px;
      padding: 0 0 16px;
      border-bottom: 3px solid #c7a15a;
      font-size: 26px;
      line-height: 1.5;
      color: #3a2d21;
  }

  .sale100-page__title::before {
      content: "";
      width: 10px;
      height: 34px;
      border-radius: 999px;
      background: #b91c1c;
      flex: 0 0 auto;
  }

  .sale100-page__subTitle {
      max-width: 1080px;
      margin: 36px auto 18px;
      padding-left: 14px;
      border-left: 5px solid #c7a15a;
      font-size: 21px;
      font-weight: 700;
      line-height: 1.6;
      color: #3a2d21;
  }

  /* 商品詳細カード */
  .sale100-product {
      max-width: 1080px;
      margin: 64px auto;
      padding: 28px;
      background: #fff;
      border: 1px solid #e5e0d8;
      border-radius: 14px;
  }

  .sale100-product__title {
      margin: 0 0 24px;
      padding: 0 0 14px;
      border-bottom: 2px solid #d8c7aa;
      font-size: 24px;
      line-height: 1.6;
      color: #3a2d21;
  }

  .sale100-product__subtitle {
      margin: 0 0 16px;
      font-size: 16px;
      line-height: 1.6;
      color: #3a2d21;
  }

  .sale100-product__main {
      display: grid;
      grid-template-columns: minmax(280px, 480px) 1fr;
      gap: 28px;
      align-items: start;
  }

  .sale100-product__mainImage {
      position: relative;
  }

  .sale100-product__mainImage>img:first-child {
      width: 100%;
      border-radius: 10px;
  }

  .sale100-product__decal {
      position: absolute;
      top: 12px;
      left: 12px;
      width: 18%;
      max-width: 65px;
      min-width: 45px;
      height: auto;
      border-radius: 0 !important;
      z-index: 2;
      pointer-events: none;
  }

  .sale100-product__catch {
      display: inline-block;
      align-self: flex-start;
      margin: 0 0 8px;
      padding: 3px 10px;
      border-radius: 999px;
      background: #b91c1c;
      color: #fff;
      font-size: 18px;
      font-weight: 700;
      line-height: 1.4;
  }

  .sale100-product__spec {
      margin: 0 0 22px;
      padding: 18px;
      background: #faf7f2;
      border: 1px solid #e5d9c8;
      border-radius: 8px;
  }

  .sale100-product__spec dl {
      display: grid;
      grid-template-columns: 90px 1fr;
      gap: 8px 14px;
      margin: 0;
  }

  .sale100-product__spec dt {
      font-weight: 700;
      color: #3a2d21;
  }

  .sale100-product__spec dd {
      margin: 0;
  }

  .sale100-product__desc {
      font-size: 16px;
      margin: 0 0 1.2em;
      line-height: 1.8em;
  }

  /* サイズ表 */
  .sale100-size {
      width: 100%;
      margin: 24px 0;
      border-collapse: collapse;
  }

  .sale100-size th,
  .sale100-size td {
      padding: 12px;
      border: 1px solid #d8d8d8;
      text-align: center;
  }

  .sale100-size th {
      width: 32%;
      background: #f8efe3;
      color: #3a2d21;
      font-weight: 700;
  }

  /* ギャラリー */
  .sale100-gallery {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 10px;
      margin: 24px 0;
  }

  .sale100-gallery a {
      display: block;
      aspect-ratio: 1 / 1;
      overflow: hidden;
      border-radius: 8px;
      background: #f3f0eb;
  }

  .sale100-gallery img {
      width: 100%;
      height: 100%;
      object-fit: cover;
  }

  .sale100-wideImage {
      margin: 24px 0;
  }

  .sale100-wideImage img {
      width: 100%;
      max-width: 760px;
      margin: 0 auto;
      border-radius: 10px;
  }

  /* 動画 */
  .sale100-video {
      max-width: 760px;
      margin: 24px auto;
      aspect-ratio: 16 / 9;
  }

  .sale100-video iframe {
      width: 100%;
      height: 100%;
      border: 0;
  }

  /* Lightbox */
  .sale100-lightbox {
      position: fixed;
      inset: 0;
      z-index: 9999;
      display: none;
      align-items: center;
      justify-content: center;
      padding: 24px;
      background: rgba(0, 0, 0, .82);
  }

  .sale100-lightbox.is-active {
      display: flex;
  }

  .sale100-lightbox img {
      max-width: 96vw;
      max-height: 90vh;
      width: auto;
      height: auto;
      border-radius: 8px;
  }

  .sale100-lightbox__close {
      position: fixed;
      top: 18px;
      right: 18px;
      width: 44px;
      height: 44px;
      border: 0;
      border-radius: 50%;
      background: #fff;
      color: #333;
      font-size: 28px;
      line-height: 1;
      cursor: pointer;
  }

  /* 汎用 */
  .sale100-note {
      max-width: 1080px;
      margin: 24px auto;
      padding: 20px;
      background: #faf7f2;
      border: 1px solid #e5d9c8;
      border-radius: 8px;
      font-size: 15px;
      line-height: 1.8em;
  }

  .sale100-note img {
      width: 100%;
      max-width: 680px;
      margin: 0 auto;
      border-radius: 12px;
      display: block;
      margin-left: auto;
      margin-right: auto;
  }

  .sale100-center {
      text-align: center;
  }

  @media (max-width: 1080px) {

      /*.sale100-product__main {
      grid-template-columns: 1fr;
    }
*/

      .sale100-gallery {
          grid-template-columns: repeat(4, 1fr);
      }
  }

  @media (max-width: 768px) {
      .sale100-page {
          padding: 18px 5px 48px;
          font-size: 15px;
          line-height: 1.8;
      }

      .sale100-page__leadMain {
          font-size: 20px;
      }

      .sale100-page__section {
          margin: 48px 0;
      }

      .sale100-page__title {
          font-size: 20px;
          gap: 10px;
      }

      .sale100-page__title::before {
          height: 28px;
      }

      .sale100-product {
          margin: 42px auto;
          padding: 20px 16px;
      }

      .sale100-product__title {
          font-size: 19px;
      }

      .sale100-product__spec dl {
          grid-template-columns: 78px 1fr;
      }

      .sale100-gallery {
          grid-template-columns: repeat(3, 1fr);
      }

      .sale100-contact__buttons {
          flex-direction: column;
          gap: 12px;
      }

      .sale100-contact__button {
          width: min(100%, 260px);
      }

      .sale100-product__main {
          grid-template-columns: 1fr;
      }
  }

  /* 商品一覧：100周年セール専用 */
  .sale100-product-nav {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 22px;
      width: 100%;
      max-width: 1180px;
      margin: 32px auto 56px;
      padding: 0;
      list-style: none;
  }

  .sale100-product-nav__item {
      display: block;
      min-width: 0;
  }

  .sale100-product-nav__link {
      display: flex;
      flex-direction: column;
      height: 100%;
      overflow: hidden;
      background: #fff;
      border: 1px solid #e5e0d8;
      border-radius: 12px;
      color: #333;
      text-decoration: none;
      transition: opacity .2s ease, transform .2s ease;
  }

  .sale100-product-nav__link:hover {
      opacity: .9;
      transform: translateY(-2px);
  }

  .sale100-product-nav__thumb {
      width: 100%;
      aspect-ratio: 1 / 1;
      background: #f3f0eb;
      overflow: hidden;
  }

  .sale100-product-nav__thumb img {
      width: 100%;
      height: 100%;
      margin: 0;
      object-fit: cover;
      display: block;
  }

  .sale100-product-nav__body {
      display: flex;
      flex-direction: column;
      flex: 1;
      padding: 14px 14px 16px;
      text-align: left;
  }

  .sale100-product-nav__badge {
      display: inline-block;
      align-self: flex-start;
      width: auto;
      margin: 0 0 8px;
      padding: 3px 10px;
      border-radius: 999px;
      background: #b91c1c;
      color: #fff;
      font-size: 13px;
      font-weight: 700;
      line-height: 1.4;
      text-align: left;
  }

  .sale100-product-nav__name {
      margin: 0 0 8px;
      padding: 0;
      border: none;
      background: none;
      font-size: 16px;
      font-weight: 700;
      line-height: 1.5;
      color: #3a2d21;
      text-align: left;
  }

  .sale100-product-nav__regularPrice {
      margin: 6px 0 2px;
      font-size: 13px;
      color: #777;
      line-height: 1.4;
  }

  .sale100-product-nav__regularPrice span {
      text-decoration: line-through;
  }

  .sale100-product-nav__price {
      margin: 0;
      font-size: 24px;
      font-weight: 700;
      color: #8b1e1e;
      line-height: 1.3;
  }

  .sale100-product-nav__cta {
      display: block;
      margin-top: 10px;
      padding-top: 10px;
      border-top: 1px solid #eee3d4;
      color: #8b6f47;
      font-size: 13px;
      font-weight: 700;
      text-align: right;
  }

  @media (max-width: 1080px) {
      .sale100-product-nav {
          grid-template-columns: repeat(3, 1fr);
      }
  }

  @media (max-width: 768px) {
      .sale100-product-nav {
          grid-template-columns: repeat(2, 1fr);
          gap: 14px;
          margin: 24px auto 42px;
      }

      .sale100-product-nav__body {
          padding: 12px 12px 14px;
      }

      .sale100-product-nav__badge {
          font-size: 12px;
      }

      .sale100-product-nav__name {
          font-size: 14px;
      }

      .sale100-product-nav__price {
          font-size: 1.5em;
      }

      .sale100-product-nav__cta {
          font-size: 12px;
      }
  }

  /* 完売表示 */
  .sale100-product-nav__thumb {
      position: relative;
  }

  .sale100-product-nav__item.is-soldout .sale100-product-nav__thumb::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 1;
      background: rgba(0, 0, 0, .45);
  }

  .sale100-product-nav__item.is-soldout .sale100-product-nav__thumb::after {
      content: "完売";
      position: absolute;
      top: 50%;
      left: 50%;
      z-index: 2;
      transform: translate(-50%, -50%);
      display: flex;
      align-items: center;
      justify-content: center;
      width: 72%;
      min-height: 48px;
      border: 3px solid #fff;
      border-radius: 8px;
      color: #fff;
      font-size: 28px;
      font-weight: 700;
      line-height: 1;
      letter-spacing: .12em;
      text-align: center;
      background: rgba(139, 30, 30, .88);
      box-shadow: 0 4px 12px rgba(0, 0, 0, .25);
  }

  .sale100-product-nav__item.is-soldout .sale100-product-nav__price {
      color: #777;
  }

  .sale100-product-nav__item.is-soldout .sale100-product-nav__cta {
      color: #8b1e1e;
  }

  @media (max-width: 768px) {
      .sale100-product-nav__item.is-soldout .sale100-product-nav__thumb::after {
          width: 76%;
          min-height: 40px;
          font-size: 22px;
          border-width: 2px;
      }
  }

  /*店舗情報*/
  .sale100-store-info {
      display: grid;
      grid-template-columns: 220px 1fr;
      max-width: 1080px;
      margin: 28px auto 0;
      overflow: hidden;
      border: 1px solid #e5d9c8;
      border-radius: 12px;
      background: #fff;
  }

  .sale100-store-info__label {
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 22px 18px;
      background: #8b1e1e;
      color: #fff;
      font-size: 20px;
      font-weight: 700;
      line-height: 1.6;
      text-align: center;
  }

  .sale100-store-info__body {
      padding: 22px 24px;
  }

  .sale100-store-info__store {
      margin: 0 0 8px;
      font-size: 22px;
      font-weight: 700;
      color: #3a2d21;
  }

  .sale100-store-info__text {
      margin: 0 0 16px;
      font-size: 16px;
      line-height: 1.8;
  }

  .sale100-store-info__buttons {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
  }

  .sale100-store-info__button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 190px;
      padding: 11px 20px;
      border-radius: 999px;
      background: #8b1e1e;
      color: #fff !important;
      text-decoration: none;
      font-size: 15px;
      font-weight: 700;
      margin-top: 8px;
  }

  .sale100-store-info__button--tel {
      background: #3a2d21;
  }

  .sale100-store-info__button--line {
      background: #06C755
  }

  .sale100-store-info__button:hover {
      opacity: .85;
  }

  @media (max-width: 768px) {
      .sale100-store-info {
          grid-template-columns: 1fr;
      }

      .sale100-store-info__label {
          padding: 14px 16px;
          font-size: 17px;
      }

      .sale100-store-info__body {
          padding: 18px 16px;
          text-align: center;
      }

      .sale100-store-info__store {
          font-size: 19px;
      }

      .sale100-store-info__buttons {
          justify-content: center;
      }

      .sale100-store-info__button {
          width: min(100%, 260px);
      }
  }

  /*商品名・価格表示*/
  .sale100-product__priceBox {
      margin: 0 0 22px;
      padding: 18px 20px;
      border-radius: 10px;
  }

  .sale100-product__regularPrice {
      margin: 0 0 8px;
      font-size: 15px;
      line-height: 1.6;
      color: #555;
  }

  .sale100-product__regularPrice span {
      text-decoration: line-through;
      color: #777;
  }

  .sale100-product__salePrice {
      margin: 0;
      font-size: 3em;
      line-height: 1.4;
      font-weight: 700;
      color: #8b1e1e;
  }

  .sale100-product__salePrice small {
      margin-right: 8px;
      font-size: 15px;
      font-weight: 700;
      color: #8b1e1e;
  }



  @media (max-width: 768px) {
      .sale100-product__priceBox {
          padding: 16px;
      }

      .sale100-product__regularPrice {
          font-size: 14px;
      }

      .sale100-product__salePrice {
          font-size: 2em;
      }

      .sale100-product__salePrice small {
          display: block;
          margin: 0 0 4px;
          font-size: 14px;
      }
  }

  .guide-accordion {
      max-width: 1080px;
      margin: 24px auto;
  }

  .guide-accordion__item {
      border: 1px solid #e5d9c8;
      border-radius: 10px;
      background: #fff;
      overflow: hidden;
  }

  .guide-accordion__item+.guide-accordion__item {
      margin-top: 12px;
  }

  .guide-accordion__summary {
      position: relative;
      display: block;
      padding: 16px 54px 16px 18px;
      font-size: 17px;
      font-weight: 700;
      line-height: 1.6em;
      text-align: center;
      color: #3a2d21;
      cursor: pointer;
      list-style: none;
      background: #faf7f2;
  }

  .guide-accordion__summary::-webkit-details-marker {
      display: none;
  }

  .guide-accordion__summary::after {
      content: "＋";
      position: absolute;
      top: 50%;
      right: 18px;
      width: 28px;
      height: 28px;
      transform: translateY(-50%);
      border-radius: 50%;
      background: #8b6f47;
      color: #fff;
      font-size: 18px;
      line-height: 28px;
      text-align: center;
      font-weight: 700;
  }

  .guide-accordion__item[open] .guide-accordion__summary::after {
      content: "－";
  }

  .guide-accordion__content {
      padding: 18px 20px 22px;
      background: #fff;
  }

  .guide-accordion__content p {
      margin: 0 0 1.2em;
      font-size: 15px;
      line-height: 1.8em;
  }

  .guide-accordion__content p:last-child {
      margin-bottom: 0;
  }

  .guide-accordion__em {
      color: #b91c1c;
      font-weight: 700;
  }

  /* 仏壇公正取引協議会・安心表示 */
  .sale100-trust {
      display: grid;
      grid-template-columns: 1fr 280px;
      gap: 32px;
      align-items: center;
      max-width: 1080px;
      margin: 24px auto;
      padding: 28px;
      background: #faf7f2;
      border: 1px solid #e5d9c8;
      border-radius: 12px;
  }

  .sale100-trust__lead {
      margin: 0 0 16px;
      font-size: 20px;
      font-weight: 700;
      line-height: 1.7;
      color: #3a2d21;
  }

  .sale100-trust__body p {
      margin: 0 0 1.2em;
      font-size: 15px;
      line-height: 1.8;
  }

  .sale100-trust__body p:last-child {
      margin-bottom: 0;
  }

  .sale100-trust__link a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 18px;
      border-radius: 999px;
      background: #8b1e1e;
      color: #fff !important;
      text-decoration: none;
      font-size: 14px;
      font-weight: 700;
  }

  .sale100-trust__link a:hover {
      opacity: .85;
  }

  .sale100-trust__decals {
      display: grid;
      grid-template-columns: 1fr;
      gap: 16px;
  }

  .sale100-trust__decal {
      padding: 16px;
      background: #fff;
      border: 1px solid #e5d9c8;
      border-radius: 10px;
  }

  .sale100-trust__decal img {
      width: 100%;
      max-width: 220px;
      margin: 0 auto;
  }

  @media (max-width: 768px) {
      .sale100-trust {
          grid-template-columns: 1fr;
          gap: 22px;
          padding: 20px 16px;
      }

      .sale100-trust__lead {
          font-size: 17px;
      }

      .sale100-trust__decals {
          grid-template-columns: repeat(2, 1fr);
          gap: 10px;
      }

      .sale100-trust__decal {
          padding: 10px;
      }
  }


  /* =========================
   100周年ページ：PC幅の揃え直し
   ※既存CSSの末尾に追記
========================= */

  /* sale100-pageで包まれていなくても、幅計算を安定させる */
  [class^="sale100-"],
  [class^="sale100-"]::before,
  [class^="sale100-"]::after,
  .guide-accordion,
  .guide-accordion *,
  .guide-accordion::before,
  .guide-accordion::after {
      box-sizing: border-box;
  }

  /* 基本コンテンツ幅を1080pxに統一 */
  .sale100-page__lead,
  .sale100-page__section,
  .sale100-product,
  .sale100-product-nav,
  .sale100-note,
  .guide-accordion,
  .sale100-store-info {
      width: 100%;
      max-width: 1080px;
      margin-left: auto;
      margin-right: auto;
  }

  /* ヒーローだけは大きめに残す */
  .sale100-page__hero {
      width: 100%;
      max-width: 1180px;
      margin-left: auto;
      margin-right: auto;
  }

  /* 各要素の上下余白を維持 */
  .sale100-page__lead {
      margin-top: 0;
      margin-bottom: 24px;
  }

  .sale100-page__section {
      margin-top: 64px;
      margin-bottom: 64px;
  }

  .sale100-product {
      margin-top: 64px;
      margin-bottom: 64px;
  }

  .sale100-product-nav {
      margin-top: 32px;
      margin-bottom: 56px;
  }

  .sale100-note {
      margin-top: 24px;
      margin-bottom: 24px;
  }

  .guide-accordion {
      margin-top: 24px;
      margin-bottom: 24px;
  }

  .sale100-store-info {
      margin-top: 28px;
      margin-bottom: 0;
  }

  /* 動画など、意図的に細く見せるもの */
  .sale100-video,
  .sale100-wideImage img {
      max-width: 760px;
  }

  /* SPでは画面幅に自然に合わせる */
  @media (max-width: 768px) {

      .sale100-page__lead,
      .sale100-page__section,
      .sale100-product,
      .sale100-product-nav,
      .sale100-note,
      .guide-accordion,
      .sale100-store-info {
          max-width: 100%;
      }

      .sale100-page__section {
          margin: 48px auto;
      }

      .sale100-product {
          margin: 42px auto;
      }
  }