/* サイト全体で使用する色・影・幅などの共通変数です。 */
    :root {
      --paper: #f4efe8;
      --paper-soft: #dfd3c5;
      --muted: #b9ab9c;
      --gold: #c9a86d;
      --gold-soft: rgba(201, 168, 109, 0.32);
      --deep: #090604;
      --line: rgba(244, 239, 232, 0.18);
      --shadow: 0 22px 70px rgba(0, 0, 0, 0.36);
      --radius-lg: 28px;
      --radius-md: 18px;
      --max-width: 1120px;
      --leather-bg: url("assets/leather-background.jpg");
    }

    /* 余白計算を安定させるため、全要素にborder-boxを適用します。 */
    * { box-sizing: border-box; }

    html { scroll-behavior: smooth; }

    /* 背景画像と基本フォントを設定します。 */
    body {
      margin: 0;
      color: var(--paper);
      font-family: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
      line-height: 1.85;
      letter-spacing: 0.04em;
      background-color: #120704;
      background-image:
        linear-gradient(180deg, rgba(0, 0, 0, 0.30), rgba(0, 0, 0, 0.72)),
        radial-gradient(ellipse at 16% 12%, rgba(209, 119, 55, 0.20), transparent 30rem),
        radial-gradient(ellipse at 84% 28%, rgba(36, 49, 44, 0.20), transparent 32rem),
        radial-gradient(ellipse at 24% 88%, rgba(117, 47, 18, 0.22), transparent 38rem),
        var(--leather-bg);
      background-size: auto, auto, auto, auto, cover;
      background-position: center, left top, right top, left bottom, center top;
      background-repeat: no-repeat;
      background-attachment: fixed;
      min-height: 100vh;
    }

    body::before,
    body::after {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -1;
    }

    body::before {
      opacity: 0.52;
      background:
        linear-gradient(90deg, rgba(255, 228, 186, 0.13), transparent 20%, rgba(0, 0, 0, 0.26) 58%, transparent 84%),
        radial-gradient(ellipse at center, transparent 48%, rgba(0, 0, 0, 0.40));
      mix-blend-mode: soft-light;
    }

    body::after {
      opacity: 0.62;
      background: linear-gradient(to bottom, rgba(0, 0, 0, 0.16), transparent 28%, rgba(0, 0, 0, 0.48));
    }

    img { display: block; max-width: 100%; }
    a { color: inherit; text-decoration: none; }

    .container {
      width: min(var(--max-width), calc(100% - 40px));
      margin: 0 auto;
    }

    /* 固定ヘッダーの基本表示です。 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      border-bottom: 1px solid rgba(244, 239, 232, 0.14);
      background: rgba(7, 6, 5, 0.78);
      backdrop-filter: blur(18px);
      transition: background 220ms ease, box-shadow 220ms ease;
    }

    .site-header.is-scrolled {
      background: rgba(7, 6, 5, 0.92);
      box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
    }

    .header-inner {
      min-height: 82px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 14px;
      min-width: 0;
    }

    .brand-logo {
      width: 66px;
      height: 66px;
      object-fit: contain;
      border-radius: 16px;
      background: #000;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.28);
    }

    .brand-name {
      display: block;
      color: var(--paper);
      font-size: 0.9rem;
      font-weight: 800;
      letter-spacing: 0.16em;
      white-space: nowrap;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 22px;
      color: var(--muted);
      font-size: 0.9rem;
      white-space: nowrap;
    }

    .nav-links a {
      position: relative;
      transition: color 180ms ease;
    }

    .nav-links a::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: -7px;
      height: 1px;
      transform: scaleX(0);
      transform-origin: left;
      background: var(--gold);
      transition: transform 180ms ease;
    }

    .nav-links a:hover { color: var(--paper); }
    .nav-links a:hover::after { transform: scaleX(1); }

    main { position: relative; }

    /* 紹介エリアの基本レイアウトです。 */
    .hero {
      min-height: calc(100svh - 82px);
      padding: 76px 0 86px;
      display: grid;
      align-items: center;
      scroll-margin-top: 100px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 0.9fr) minmax(310px, 1.1fr);
      gap: 52px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin: 0 0 18px;
      color: var(--gold);
      font-size: 0.74rem;
      font-weight: 800;
      letter-spacing: 0.22em;
      text-shadow: 0 2px 16px rgba(0, 0, 0, 0.42);
    }

    .eyebrow::before {
      content: "";
      width: 34px;
      height: 1px;
      background: currentColor;
      opacity: 0.76;
    }

    h1, h2, h3, p { margin-top: 0; }

    h1 {
      margin-bottom: 24px;
      font-family: "Yu Mincho", "Hiragino Mincho ProN", Georgia, serif;
      font-size: clamp(2.75rem, 7vw, 5.9rem);
      font-weight: 600;
      line-height: 1.02;
      letter-spacing: -0.055em;
      text-shadow: 0 4px 28px rgba(0, 0, 0, 0.52);
    }

    .lead {
      max-width: 640px;
      margin-bottom: 30px;
      color: var(--paper-soft);
      font-size: clamp(1rem, 1.7vw, 1.08rem);
      text-shadow: 0 3px 18px rgba(0, 0, 0, 0.54);
    }

    .hero-note {
      max-width: 560px;
      margin: 20px 0 0;
      color: var(--muted);
      font-size: 0.86rem;
      text-shadow: 0 3px 18px rgba(0, 0, 0, 0.54);
    }

    .button-row {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 50px;
      padding: 0 21px;
      border: 1px solid rgba(244, 239, 232, 0.26);
      border-radius: 999px;
      color: var(--paper);
      font-weight: 800;
      background: rgba(0, 0, 0, 0.20);
      box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
      transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
    }

    .button:hover {
      transform: translateY(-2px);
      border-color: rgba(201, 168, 109, 0.68);
      background: rgba(0, 0, 0, 0.30);
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.28);
    }

    .button.primary {
      border-color: transparent;
      color: #14110f;
      background: linear-gradient(135deg, #f1dfbc, #c9a86d 62%, #9d6b4d);
      box-shadow: 0 18px 50px rgba(201, 168, 109, 0.22);
    }

    .visual-stack {
      position: relative;
      min-height: 560px;
    }

    .visual-stack::before {
      content: "";
      position: absolute;
      inset: 13% -4% 9% 14%;
      pointer-events: none;
      border-radius: 50%;
      background: radial-gradient(ellipse at center, rgba(201, 168, 109, 0.22), transparent 68%);
      filter: blur(10px);
      opacity: 0.78;
    }

    .hero-image {
      position: absolute;
      inset: 0;
      overflow: hidden;
      border-radius: 32px;
      box-shadow: var(--shadow);
    }

    .hero-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-radius: inherit;
    }

    /* 各セクション共通の余白です。 */
    section {
      position: relative;
      padding: 82px 0;
      scroll-margin-top: 104px;
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 28px;
      margin-bottom: 32px;
      text-shadow: 0 3px 18px rgba(0, 0, 0, 0.54);
    }

    .section-title small {
      display: block;
      margin-bottom: 8px;
      color: var(--gold);
      font-size: 0.76rem;
      font-weight: 800;
      letter-spacing: 0.18em;
    }

    .section-title h2 {
      margin-bottom: 0;
      font-family: "Yu Mincho", "Hiragino Mincho ProN", Georgia, serif;
      font-size: clamp(2rem, 4vw, 3.5rem);
      font-weight: 600;
      line-height: 1.05;
      letter-spacing: -0.04em;
    }

    .section-head p {
      max-width: 500px;
      margin-bottom: 0;
      color: var(--paper-soft);
      font-size: 0.95rem;
    }

    .product-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 38px;
    }

    .product-item {
      position: relative;
      text-shadow: 0 3px 18px rgba(0, 0, 0, 0.54);
    }

    .product-item img {
      width: 100%;
      aspect-ratio: 16 / 11;
      object-fit: cover;
      border-radius: 26px;
      box-shadow: 0 20px 54px rgba(0, 0, 0, 0.32);
    }

    .item-body {
      padding: 18px 2px 0;
    }

    .category-label {
      display: inline-flex;
      margin-bottom: 10px;
      color: #dec18a;
      font-size: 0.72rem;
      font-weight: 800;
      letter-spacing: 0.14em;
    }

    .item-body h3 {
      margin-bottom: 8px;
      font-size: 1.18rem;
      letter-spacing: 0.08em;
    }

    .item-body p {
      margin-bottom: 0;
      color: var(--paper-soft);
      font-size: 0.94rem;
    }

    .gallery-grid {
      display: grid;
      grid-template-columns: 1.16fr 0.84fr 0.84fr;
      gap: 18px;
    }

    .gallery-grid img {
      width: 100%;
      min-height: 250px;
      border-radius: 26px;
      object-fit: cover;
      box-shadow: 0 18px 48px rgba(0, 0, 0, 0.30);
    }

    .gallery-grid img:first-child { min-height: 320px; }

    .links-layout {
      display: grid;
      grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
      gap: 32px;
      align-items: start;
      text-shadow: 0 3px 18px rgba(0, 0, 0, 0.54);
    }

    .link-copy h2 {
      margin-bottom: 14px;
      font-family: "Yu Mincho", "Hiragino Mincho ProN", Georgia, serif;
      font-size: clamp(2rem, 4vw, 3.1rem);
      font-weight: 600;
      line-height: 1.08;
      letter-spacing: -0.04em;
    }

    .link-copy p { color: var(--paper-soft); }

    .social-list {
      display: grid;
      gap: 12px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .social-list a {
      display: grid;
      grid-template-columns: 1fr auto;
      align-items: center;
      min-height: 92px;
      padding: 20px 0;
      border-bottom: 1px solid rgba(244, 239, 232, 0.18);
      color: var(--paper);
      transition: color 180ms ease, transform 180ms ease, border-color 180ms ease;
    }

    .social-list a:hover {
      color: #f2deb3;
      transform: translateX(4px);
      border-color: rgba(201, 168, 109, 0.52);
    }

    .social-list strong {
      display: block;
      margin-bottom: 3px;
      font-size: 1.16rem;
      letter-spacing: 0.1em;
    }

    .social-list small {
      display: block;
      color: var(--muted);
      font-size: 0.84rem;
      font-weight: 400;
    }

    .arrow {
      display: inline-grid;
      place-items: center;
      width: 42px;
      height: 42px;
      border: 1px solid rgba(201, 168, 109, 0.36);
      border-radius: 50%;
      color: var(--gold);
      background: rgba(0, 0, 0, 0.14);
    }

    .site-footer {
      padding: 34px 0;
      border-top: 1px solid rgba(244, 239, 232, 0.14);
      color: var(--muted);
      font-size: 0.86rem;
      text-shadow: 0 3px 18px rgba(0, 0, 0, 0.54);
    }

    .footer-inner {
      display: flex;
      justify-content: space-between;
      gap: 18px;
    }

    /* スクロール時にふわっと表示する要素です。 */
    .reveal {
      opacity: 0;
      transform: translateY(18px);
      transition: opacity 650ms ease, transform 650ms ease;
    }

    .reveal.is-visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* 動きを減らす設定の利用者向けにアニメーションを抑えます。 */
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      .reveal, .button, .social-list a, .site-header { transition: none; }
    }

    /* タブレット幅では複数カラムを1カラムへ切り替えます。 */
    @media (max-width: 900px) {
      .hero-grid,
      .links-layout,
      .product-grid,
      .gallery-grid { grid-template-columns: 1fr; }

      .visual-stack { min-height: 500px; }
      .section-head { display: block; }
      .section-head p { margin-top: 14px; }
      section { padding: 64px 0; }
    }

    /* スマートフォン幅での表示崩れを防ぐ調整です。 */
    @media (max-width: 620px) {
      body {
        background-attachment: scroll;
        background-position: center, 18% 0, 88% 10%, 20% 100%, center top;
      }

      .container { width: min(100% - 28px, var(--max-width)); }

      .header-inner {
        min-height: auto;
        padding: 12px 0 10px;
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
      }

      .brand {
        width: 100%;
        justify-content: flex-start;
      }

      .brand-logo {
        width: 54px;
        height: 54px;
        border-radius: 14px;
      }

      .brand-name {
        font-size: 0.82rem;
        letter-spacing: 0.12em;
      }

      .nav-links {
        width: 100%;
        gap: 8px;
        overflow-x: auto;
        padding-bottom: 2px;
        font-size: 0.78rem;
        scrollbar-width: none;
      }

      .nav-links::-webkit-scrollbar { display: none; }

      .nav-links a {
        flex: 0 0 auto;
        padding: 7px 11px;
        border: 1px solid rgba(244, 239, 232, 0.18);
        border-radius: 999px;
        background: rgba(0, 0, 0, 0.18);
      }

      .nav-links a::after { display: none; }

      .hero {
        min-height: auto;
        padding: 44px 0 58px;
        scroll-margin-top: 118px;
      }

      h1 {
        font-size: clamp(2.3rem, 13vw, 3.8rem);
        letter-spacing: -0.07em;
      }

      .lead { font-size: 0.96rem; }

      .button {
        width: 100%;
        min-height: 52px;
      }

      .visual-stack { min-height: 360px; }

      .hero-image,
      .product-item img,
      .gallery-grid img { border-radius: 22px; }

      .gallery-grid img,
      .gallery-grid img:first-child { min-height: 210px; }

      .social-list a { min-height: 88px; }

      .footer-inner { display: block; }
    }

    @media (max-width: 380px) {
      .container { width: min(100% - 22px, var(--max-width)); }
      .nav-links { font-size: 0.72rem; }
      .nav-links a { padding: 6px 9px; }
      .brand-name { font-size: 0.76rem; }
    }


    /* 依頼に基づく最終調整です。 */
    body {
      font-family: "Yu Mincho", "Hiragino Mincho ProN", "YuMincho", "HGS明朝E", Georgia, serif;
    }

    .site-header {
      background: rgba(0, 0, 0, 0.78);
    }

    .site-header.is-scrolled {
      background: rgba(0, 0, 0, 0.92);
    }

    .header-inner {
      min-height: auto;
      padding: 18px 0 15px;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      gap: 12px;
    }

    .brand {
      width: 100%;
      justify-content: center;
      gap: 0;
    }

    .brand-logo {
      width: clamp(164px, 24vw, 238px);
      height: auto;
      border-radius: 0;
      background: transparent;
      box-shadow: none;
    }

    .nav-links {
      width: 100%;
      justify-content: center;
      gap: 26px;
      font-size: 0.94rem;
    }

    .hero {
      min-height: calc(100svh - 176px);
      scroll-margin-top: 188px;
    }

    h1.intro-message {
      margin-bottom: 30px;
      font-size: clamp(1.95rem, 4.6vw, 4.5rem);
      font-weight: 600;
      line-height: 1.38;
      letter-spacing: 0.065em;
    }

    @media (max-width: 620px) {
      .header-inner {
        padding: 12px 0 10px;
        align-items: center;
        gap: 8px;
      }

      .brand {
        justify-content: center;
      }

      .brand-logo {
        width: min(58vw, 188px);
        height: auto;
        border-radius: 0;
      }

      .nav-links {
        justify-content: flex-start;
        gap: 8px;
        font-size: 0.78rem;
      }

      .hero {
        padding-top: 38px;
        scroll-margin-top: 156px;
      }

      h1.intro-message {
        font-size: clamp(1.55rem, 8vw, 2.6rem);
        line-height: 1.5;
        letter-spacing: 0.035em;
      }
    }


    /* ヘッダーの黒背景とナビゲーションの見た目を整えます。 */
    .site-header {
      overflow: hidden;
      background: #000;
      border-bottom: 1px solid rgba(244, 239, 232, 0.08);
      box-shadow: 0 18px 48px rgba(0, 0, 0, 0.42);
      backdrop-filter: none;
    }

    .site-header.is-scrolled {
      background: #000;
      box-shadow: 0 20px 54px rgba(0, 0, 0, 0.52);
    }

    .site-header::before,
    .site-header::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      pointer-events: none;
    }

    .site-header::before {
      inset: 0;
      background:
        radial-gradient(ellipse at 50% -18%, rgba(201, 168, 109, 0.18), transparent 54%),
        linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.045), transparent);
    }

    .site-header::after {
      bottom: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(201, 168, 109, 0.58), transparent);
    }

    .header-inner {
      position: relative;
      z-index: 1;
      padding: 22px 0 18px;
      gap: 16px;
    }

    .brand {
      position: relative;
      padding: 0 22px;
    }

    .brand::after {
      content: "";
      position: absolute;
      left: 50%;
      bottom: -10px;
      width: min(360px, 76vw);
      height: 1px;
      transform: translateX(-50%);
      background: linear-gradient(90deg, transparent, rgba(201, 168, 109, 0.58), transparent);
    }

    .brand-logo {
      width: clamp(210px, 30vw, 320px);
      height: auto;
      filter: drop-shadow(0 12px 26px rgba(0, 0, 0, 0.62));
    }

    .nav-links {
      width: auto;
      display: inline-flex;
      justify-content: center;
      gap: 0;
      margin-top: 4px;
      padding: 8px 18px;
      border: 1px solid rgba(244, 239, 232, 0.13);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.035);
      box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, 0.025),
        0 12px 28px rgba(0, 0, 0, 0.28);
    }

    .nav-links a {
      padding: 4px 16px;
      color: rgba(244, 239, 232, 0.78);
      letter-spacing: 0.12em;
    }

    .nav-links a + a {
      border-left: 1px solid rgba(244, 239, 232, 0.14);
    }

    .nav-links a::after {
      left: 16px;
      right: 16px;
      bottom: -4px;
      background: linear-gradient(90deg, transparent, var(--gold), transparent);
    }

    .hero {
      scroll-margin-top: 220px;
    }

    @media (max-width: 620px) {
      .header-inner {
        padding: 14px 0 12px;
        gap: 12px;
      }

      .brand {
        padding: 0;
      }

      .brand::after {
        bottom: -8px;
        width: min(78vw, 300px);
      }

      .brand-logo {
        width: min(70vw, 260px);
      }

      .nav-links {
        width: 100%;
        justify-content: center;
        gap: 7px;
        margin-top: 0;
        padding: 0 2px 2px;
        border: 0;
        border-radius: 0;
        background: transparent;
        box-shadow: none;
      }

      .nav-links a {
        padding: 7px 11px;
        border: 1px solid rgba(244, 239, 232, 0.18);
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.04);
        letter-spacing: 0.06em;
      }

      .nav-links a + a {
        border-left: 1px solid rgba(244, 239, 232, 0.18);
      }

      .hero {
        scroll-margin-top: 190px;
      }
    }

    @media (max-width: 380px) {
      .brand-logo {
        width: min(76vw, 238px);
      }

      .nav-links {
        justify-content: flex-start;
      }
    }


    /* ヘッダー内のロゴ・タイトル・ナビゲーション配置を調整します。 */
    .site-header {
      overflow: hidden;
      background: #000;
      border-bottom: 1px solid rgba(244, 239, 232, 0.10);
      box-shadow: 0 18px 48px rgba(0, 0, 0, 0.42);
      backdrop-filter: none;
    }

    .site-header.is-scrolled {
      background: #000;
      box-shadow: 0 20px 54px rgba(0, 0, 0, 0.52);
    }

    .site-header::before {
      background:
        radial-gradient(ellipse at 12% 0%, rgba(201, 168, 109, 0.14), transparent 42%),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035), transparent 34%, rgba(255, 255, 255, 0.025));
    }

    .header-inner {
      position: relative;
      z-index: 1;
      min-height: 86px;
      padding: 12px 0;
      display: flex;
      flex-direction: row;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
    }

    .brand {
      width: auto;
      min-width: 0;
      display: inline-flex;
      align-items: center;
      justify-content: flex-start;
      gap: 16px;
      padding: 0;
    }

    .brand::after { display: none; }

    .brand-logo {
      flex: 0 0 auto;
      width: clamp(58px, 7vw, 84px);
      height: clamp(58px, 7vw, 84px);
      object-fit: contain;
      border-radius: 13px;
      background: #000;
      box-shadow: none;
      filter: drop-shadow(0 10px 22px rgba(0, 0, 0, 0.58));
    }

    .brand-name {
      display: block;
      color: var(--paper);
      font-family: inherit;
      font-size: clamp(0.96rem, 1.55vw, 1.22rem);
      font-weight: 600;
      line-height: 1.25;
      letter-spacing: 0.12em;
      text-transform: lowercase;
      white-space: nowrap;
      text-shadow: 0 3px 18px rgba(0, 0, 0, 0.58);
    }

    .nav-links {
      width: auto;
      flex: 0 1 auto;
      display: inline-flex;
      align-items: center;
      justify-content: flex-end;
      gap: 0;
      margin-top: 0;
      padding: 8px 16px;
      border: 1px solid rgba(244, 239, 232, 0.13);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.035);
      box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, 0.025),
        0 12px 28px rgba(0, 0, 0, 0.28);
    }

    .nav-links a {
      padding: 4px 15px;
      color: rgba(244, 239, 232, 0.78);
      letter-spacing: 0.11em;
    }

    .nav-links a + a {
      border-left: 1px solid rgba(244, 239, 232, 0.14);
    }

    .nav-links a::after {
      left: 15px;
      right: 15px;
      bottom: -4px;
      background: linear-gradient(90deg, transparent, var(--gold), transparent);
    }

    .hero {
      min-height: calc(100svh - 86px);
      scroll-margin-top: 110px;
    }

    @media (max-width: 760px) {
      .header-inner {
        min-height: auto;
        padding: 10px 0 11px;
        flex-direction: column;
        align-items: stretch;
        justify-content: center;
        gap: 10px;
      }

      .brand {
        width: 100%;
        justify-content: flex-start;
        gap: 12px;
      }

      .brand-logo {
        width: 58px;
        height: 58px;
        border-radius: 12px;
      }

      .brand-name {
        font-size: clamp(0.84rem, 3.7vw, 1rem);
        letter-spacing: 0.085em;
      }

      .nav-links {
        width: 100%;
        justify-content: flex-start;
        overflow-x: auto;
        gap: 8px;
        padding: 0 0 2px;
        border: 0;
        border-radius: 0;
        background: transparent;
        box-shadow: none;
        scrollbar-width: none;
      }

      .nav-links::-webkit-scrollbar { display: none; }

      .nav-links a {
        flex: 0 0 auto;
        padding: 7px 11px;
        border: 1px solid rgba(244, 239, 232, 0.18);
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.04);
        letter-spacing: 0.055em;
      }

      .nav-links a + a {
        border-left: 1px solid rgba(244, 239, 232, 0.18);
      }

      .nav-links a::after { display: none; }

      .hero {
        min-height: auto;
        scroll-margin-top: 145px;
      }
    }

    @media (max-width: 380px) {
      .brand-logo {
        width: 52px;
        height: 52px;
      }

      .brand-name {
        font-size: 0.78rem;
        letter-spacing: 0.06em;
      }
    }


    /* ヘッダーのロゴ背景とテキストナビゲーションを最終調整します。 */
    .site-header,
    .site-header.is-scrolled {
      background: #000 !important;
      border-bottom: 1px solid rgba(244, 239, 232, 0.10) !important;
      backdrop-filter: none !important;
    }

    .header-inner {
      min-height: 96px !important;
      padding: 13px 0 !important;
      display: flex !important;
      flex-direction: row !important;
      align-items: center !important;
      justify-content: space-between !important;
      gap: 28px !important;
    }

    .brand {
      width: auto !important;
      display: inline-flex !important;
      align-items: center !important;
      justify-content: flex-start !important;
      gap: 18px !important;
      padding: 0 !important;
    }

    .brand::after { display: none !important; }

    .brand-logo {
      width: clamp(136px, 13vw, 190px) !important;
      height: auto !important;
      aspect-ratio: auto !important;
      object-fit: contain !important;
      border-radius: 0 !important;
      background: transparent !important;
      box-shadow: none !important;
      filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.62)) !important;
    }

    .brand-name {
      display: block !important;
      font-family: inherit !important;
      color: var(--gold) !important;
      font-size: clamp(0.74rem, 1.35vw, 0.94rem) !important;
      font-weight: 800 !important;
      line-height: 1.35 !important;
      letter-spacing: 0.22em !important;
      text-transform: none !important;
      white-space: nowrap !important;
      text-shadow: 0 3px 18px rgba(0, 0, 0, 0.58) !important;
    }

    .nav-links {
      width: auto !important;
      flex: 0 0 auto !important;
      display: inline-flex !important;
      align-items: center !important;
      justify-content: flex-end !important;
      gap: clamp(18px, 3vw, 34px) !important;
      margin: 0 !important;
      padding: 0 !important;
      border: 0 !important;
      border-radius: 0 !important;
      background: transparent !important;
      box-shadow: none !important;
      overflow: visible !important;
      white-space: nowrap !important;
    }

    .nav-links a,
    .nav-links a + a {
      flex: 0 0 auto !important;
      padding: 6px 0 !important;
      border: 0 !important;
      border-radius: 0 !important;
      background: transparent !important;
      color: rgba(244, 239, 232, 0.80) !important;
      letter-spacing: 0.11em !important;
      box-shadow: none !important;
    }

    .nav-links a::after {
      display: block !important;
      left: 0 !important;
      right: 0 !important;
      bottom: 0 !important;
      height: 1px !important;
      background: linear-gradient(90deg, transparent, var(--gold), transparent) !important;
    }

    .nav-links a:hover {
      color: var(--paper) !important;
    }

    .hero {
      scroll-margin-top: 118px !important;
    }

    @media (max-width: 760px) {
      .header-inner {
        min-height: auto !important;
        padding: 10px 0 12px !important;
        flex-direction: column !important;
        align-items: stretch !important;
        justify-content: center !important;
        gap: 9px !important;
      }

      .brand {
        width: 100% !important;
        justify-content: flex-start !important;
        gap: 12px !important;
      }

      .brand-logo {
        width: clamp(112px, 34vw, 156px) !important;
      }

      .brand-name {
        font-size: clamp(0.64rem, 3.2vw, 0.82rem) !important;
        letter-spacing: 0.14em !important;
        white-space: normal !important;
      }

      .nav-links {
        width: 100% !important;
        justify-content: flex-start !important;
        gap: 20px !important;
        overflow-x: auto !important;
        padding-bottom: 2px !important;
        scrollbar-width: none !important;
      }

      .nav-links::-webkit-scrollbar { display: none !important; }

      .nav-links a,
      .nav-links a + a {
        padding: 4px 0 !important;
        border: 0 !important;
        background: transparent !important;
        font-size: 0.78rem !important;
        letter-spacing: 0.07em !important;
      }

      .hero {
        scroll-margin-top: 148px !important;
      }
    }

    @media (max-width: 380px) {
      .brand-logo {
        width: 104px !important;
      }

      .brand-name {
        font-size: 0.62rem !important;
        letter-spacing: 0.09em !important;
      }

      .nav-links {
        gap: 15px !important;
      }
    }


    /* ヘッダータイトルの文字サイズを調整します。 */
    .brand-name {
      font-size: clamp(1.22rem, 2.35vw, 1.68rem) !important;
      line-height: 1.18 !important;
      letter-spacing: 0.16em !important;
      font-weight: 700 !important;
    }

    @media (max-width: 760px) {
      .brand-name {
        font-size: clamp(0.94rem, 4.9vw, 1.24rem) !important;
        line-height: 1.2 !important;
        letter-spacing: 0.10em !important;
      }
    }

    @media (max-width: 380px) {
      .brand-name {
        font-size: 0.9rem !important;
        letter-spacing: 0.075em !important;
      }
    }


    /* 直近依頼に基づく紹介文と画像まわりの調整です。 */
    h1.intro-message {
      max-width: 16em;
      margin-bottom: 22px;
      color: #e5d7c6;
      font-size: clamp(1.72rem, 3.15vw, 3.15rem) !important;
      font-weight: 500;
      line-height: 1.72;
      letter-spacing: 0.055em;
      text-shadow: 0 4px 22px rgba(0, 0, 0, 0.48);
    }

    .hero-image {
      border: 1px solid rgba(244, 239, 232, 0.08);
      background: rgba(0, 0, 0, 0.18);
    }

    .hero-image img {
      object-position: center center;
    }

    @media (max-width: 620px) {
      h1.intro-message {
        font-size: clamp(1.32rem, 5.2vw, 2.02rem) !important;
        line-height: 1.8;
        letter-spacing: 0.04em;
      }
    }


    /* メインエリアのレイアウトを整える調整です。 */
    main,
    main p,
    main h1,
    main h2,
    main h3,
    main strong,
    main small,
    main a,
    .section-head,
    .link-copy,
    .social-list {
      text-shadow: 0 4px 18px rgba(0, 0, 0, 0.72), 0 1px 2px rgba(0, 0, 0, 0.82);
    }

    .hero {
      min-height: auto !important;
      padding: clamp(34px, 6vw, 70px) 0 clamp(58px, 8vw, 92px) !important;
      align-items: start;
    }

    .hero-grid {
      display: flex !important;
      flex-direction: column;
      align-items: center;
      justify-content: flex-start;
      gap: clamp(24px, 4vw, 38px);
      text-align: center;
    }

    .intro-main-image {
      --intro-bg: url("assets/main.png");
      position: relative;
      width: min(100%, 980px);
      margin: 0 auto;
      overflow: hidden;
      border-radius: clamp(18px, 3vw, 34px);
      border: 1px solid rgba(244, 239, 232, 0.10);
      background: rgba(0, 0, 0, 0.18);
      box-shadow: 0 28px 70px rgba(0, 0, 0, 0.44);
    }

    .intro-main-image::after {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background: linear-gradient(180deg, rgba(0, 0, 0, 0.02), rgba(0, 0, 0, 0.18));
      mix-blend-mode: multiply;
    }

    .intro-main-image img {
      width: 100%;
      max-height: 620px;
      aspect-ratio: 16 / 10;
      object-fit: cover;
      object-position: center center;
      border-radius: inherit;
    }

    .intro-copy {
      width: 100%;
    }

    h1.intro-message {
      max-width: none !important;
      margin: 0 auto 22px;
      color: #e5d2bd;
      font-size: clamp(1.05rem, 4.2vw, 2.65rem) !important;
      font-weight: 500;
      line-height: 1.72;
      letter-spacing: 0.045em;
      text-shadow: 0 5px 20px rgba(0, 0, 0, 0.76), 0 1px 2px rgba(0, 0, 0, 0.86);
    }

    .intro-message span {
      display: block;
    }

    .intro-message .keep-line {
      white-space: nowrap;
      letter-spacing: 0.02em;
    }

    .visual-stack {
      display: none !important;
    }

    @media (max-width: 620px) {
      .hero {
        padding-top: 26px !important;
      }

      .intro-main-image img {
        max-height: 420px;
        aspect-ratio: 4 / 3;
      }

      h1.intro-message {
        font-size: clamp(0.88rem, 4vw, 1.42rem) !important;
        line-height: 1.82;
        letter-spacing: 0.03em;
      }

      .intro-message .keep-line {
        letter-spacing: 0.005em;
      }
    }


    /* セクションラベルとギャラリー表示を整えます。 */
    .eyebrow::after {
      content: "";
      width: 34px;
      height: 1px;
      background: currentColor;
      opacity: 0.76;
    }

    .section-title .eyebrow,
    .link-copy .eyebrow {
      margin-bottom: 12px;
      color: var(--gold);
      font-size: 0.74rem;
      font-weight: 800;
      letter-spacing: 0.22em;
    }

    @media (max-width: 620px) {
      .eyebrow::before,
      .eyebrow::after {
        width: 26px;
      }
    }


    /* セクションラベルを中央寄せにします。 */
    #gallery .section-head {
      display: block !important;
      text-align: center;
      margin-bottom: 28px;
    }

    #gallery .section-title,
    #links .link-copy {
      width: 100%;
      text-align: center;
    }

    #gallery .section-title .eyebrow,
    #links .link-copy .eyebrow {
      width: max-content;
      margin-left: auto;
      margin-right: auto;
      justify-content: center;
    }

    #gallery .section-head > p:not(.eyebrow),
    #links .link-copy > p:not(.eyebrow) {
      max-width: 680px;
      margin-left: auto;
      margin-right: auto;
    }

    #links .links-layout {
      grid-template-columns: minmax(0, 760px) !important;
      justify-content: center;
      gap: 24px;
    }

    /* 製品ギャラリーのカルーセル表示です。 */
    .goods-gallery {
      position: relative;
      max-width: min(760px, 100%);
      margin: clamp(18px, 3vw, 34px) auto 0;
      overflow: hidden;
    }

    .goods-track {
      display: flex;
      gap: 0;
      overflow-x: auto;
      overscroll-behavior-x: contain;
      scroll-snap-type: x mandatory;
      scroll-behavior: smooth;
      padding: 0;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
      cursor: grab;
    }

    .goods-track:active {
      cursor: grabbing;
    }

    .goods-track::-webkit-scrollbar {
      display: none;
    }

    .goods-card {
      flex: 0 0 100%;
      width: 100%;
      margin: 0;
      scroll-snap-align: center;
      scroll-snap-stop: always;
      border-radius: clamp(18px, 2.6vw, 28px);
      background: #000;
      overflow: hidden;
    }

    .goods-card img {
      width: 100%;
      height: min(64vh, 620px);
      object-fit: contain;
      object-position: center center;
      border-radius: clamp(18px, 2.6vw, 28px);
      border: 1px solid rgba(244, 239, 232, 0.10);
      box-shadow: 0 22px 54px rgba(0, 0, 0, 0.34);
      background: #000;
    }

    .goods-controls {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      margin-top: 20px;
    }

    .goods-nav {
      display: inline-grid;
      place-items: center;
      width: 44px;
      height: 44px;
      padding: 0;
      border: 1px solid rgba(201, 168, 109, 0.42);
      border-radius: 999px;
      color: var(--paper);
      font-family: inherit;
      font-size: 1.55rem;
      line-height: 1;
      background: rgba(0, 0, 0, 0.24);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.24);
      cursor: pointer;
      transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, opacity 180ms ease;
    }

    .goods-nav:hover:not(:disabled) {
      transform: translateY(-1px);
      border-color: rgba(201, 168, 109, 0.78);
      background: rgba(0, 0, 0, 0.36);
    }

    .goods-nav:disabled {
      opacity: 0.34;
      cursor: default;
    }

    .goods-dots {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
    }

    .goods-dot {
      width: 8px;
      height: 8px;
      padding: 0;
      border: 1px solid rgba(201, 168, 109, 0.58);
      border-radius: 999px;
      background: transparent;
      cursor: pointer;
      transition: width 180ms ease, background 180ms ease, border-color 180ms ease;
    }

    .goods-dot.is-active {
      width: 28px;
      background: rgba(201, 168, 109, 0.86);
      border-color: rgba(201, 168, 109, 0.86);
    }

    @media (max-width: 620px) {
      .goods-gallery {
        max-width: 100%;
      }

      .goods-card img {
        height: min(58vh, 500px);
      }

      .goods-controls {
        gap: 12px;
        margin-top: 16px;
      }

      .goods-nav {
        width: 40px;
        height: 40px;
        font-size: 1.38rem;
      }
    }


    /* セクション間の余白をコンパクトに調整します。 */
    #gallery,
    #links {
      padding-top: 20px !important;
    }

    @media (max-width: 900px) {
      #gallery,
      #links {
        padding-top: 16px !important;
      }
    }


    /* 余白と文字色を調整します。 */
    #gallery,
    #links {
      padding-top: 6px !important;
    }

    #gallery .section-head > p:not(.eyebrow),
    #links .link-copy > p:not(.eyebrow),
    #links .social-list a,
    #links .social-list strong,
    #links .social-list small {
      color: #e5d2bd !important;
    }

    @media (max-width: 900px) {
      #gallery,
      #links {
        padding-top: 4px !important;
      }
    }


    /* 上部余白とショップリンク見出し色を調整します。 */
    #gallery,
    #links {
      padding-top: 0 !important;
    }

    #links .social-list strong {
      color: #d6b06a !important;
    }

    @media (max-width: 900px) {
      #gallery,
      #links {
        padding-top: 0 !important;
      }
    }


    /* 最終依頼の余白調整とレスポンシブ時のヘッダー中央揃えです。 */
    #gallery,
    #links {
      padding-top: clamp(24px, 4vw, 38px) !important;
    }

    @media (max-width: 900px) {
      #gallery,
      #links {
        padding-top: clamp(24px, 4vw, 38px) !important;
      }
    }

    @media (max-width: 820px) {
      .header-inner {
        align-items: center !important;
        justify-content: center !important;
        text-align: center !important;
      }

      .brand {
        width: 100% !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 8px !important;
        text-align: center !important;
      }

      .brand-logo {
        margin-left: auto !important;
        margin-right: auto !important;
      }

      .brand-name {
        width: 100% !important;
        display: block !important;
        text-align: center !important;
        white-space: normal !important;
      }

      .nav-links {
        width: 100% !important;
        display: flex !important;
        flex-wrap: wrap !important;
        align-items: center !important;
        justify-content: center !important;
        overflow-x: visible !important;
        text-align: center !important;
      }

      .nav-links a {
        text-align: center !important;
      }
    }

  

    /* 他の表示を変えずにセクション間の余白を合わせます。 */
    :root {
      --intro-section-gap: clamp(24px, 4vw, 38px);
    }

    h1.intro-message {
      margin-bottom: 0 !important;
    }

    .hero {
      padding-bottom: 0 !important;
    }

    #gallery {
      padding-top: var(--intro-section-gap) !important;
      padding-bottom: 0 !important;
    }

    #links {
      padding-top: var(--intro-section-gap) !important;
    }

    @media (max-width: 900px) {
      #gallery,
      #links {
        padding-top: var(--intro-section-gap) !important;
      }
    }


    /* 他の表示を変えずに紹介画像帯のみ調整します。 */
    .hero {
      padding-top: 0 !important;
    }

    .hero > .container.hero-grid {
      width: 100% !important;
      max-width: none !important;
      margin-left: 0 !important;
      margin-right: 0 !important;
    }

    .intro-main-image {
      display: grid !important;
      place-items: center !important;
      width: 100vw !important;
      max-width: none !important;
      height: clamp(220px, 34vw, 430px) !important;
      margin: 0 !important;
      overflow: hidden !important;
      border: 0 !important;
      border-radius: 0 !important;
      background: transparent !important;
      box-shadow: none !important;
    }

    .intro-main-image::before {
      content: "";
      position: absolute;
      inset: -24px;
      z-index: 0;
      background-image: var(--intro-bg);
      background-size: 100% 100%;
      background-position: center center;
      background-repeat: no-repeat;
      filter: blur(22px);
      transform: scale(1.12);
      opacity: 1;
    }

    .intro-main-image::after {
      z-index: 1;
      background: linear-gradient(90deg, rgba(0, 0, 0, 0.18), rgba(0, 0, 0, 0.02) 28%, rgba(0, 0, 0, 0.02) 72%, rgba(0, 0, 0, 0.18));
      mix-blend-mode: normal;
    }

    .intro-main-image img {
      position: relative !important;
      z-index: 2 !important;
      width: 100% !important;
      height: 100% !important;
      max-height: none !important;
      aspect-ratio: auto !important;
      object-fit: contain !important;
      object-position: center center !important;
      border-radius: 0 !important;
    }

    .intro-copy {
      width: min(var(--max-width), calc(100% - 40px)) !important;
      margin-left: auto !important;
      margin-right: auto !important;
    }

    @media (max-width: 620px) {
      .hero {
        padding-top: 0 !important;
      }

      .intro-main-image {
        height: clamp(190px, 54vw, 320px) !important;
      }

      .intro-main-image img {
        max-height: none !important;
        aspect-ratio: auto !important;
      }

      .intro-copy {
        width: min(100% - 28px, var(--max-width)) !important;
      }
    }


    /* 紹介画像帯の見える高さを一定に保ちます。 */
    .intro-main-image {
      height: 360px !important;
    }

    @media (max-width: 620px) {
      .intro-main-image {
        height: 360px !important;
      }
    }


    /* 紹介画像帯の画像倍率を一定に保ちます。 */
    .intro-main-image img {
      width: auto !important;
      min-width: 0 !important;
      max-width: none !important;
      height: 100% !important;
      max-height: none !important;
      object-fit: contain !important;
      object-position: center center !important;
    }


    /* 他の表示を変えずに紹介画像帯の画像サイズを補正します。 */
    .intro-main-image {
      height: 300px !important;
    }

    .intro-main-image img {
      width: min(100%, 533px) !important;
      height: auto !important;
      max-width: 100% !important;
      max-height: 100% !important;
      object-fit: contain !important;
      object-position: center center !important;
    }

    @media (max-width: 620px) {
      .intro-main-image {
        height: 240px !important;
      }

      .intro-main-image img {
        width: min(100%, 533px) !important;
        height: auto !important;
        max-width: 100% !important;
        max-height: 100% !important;
      }
    }

    /* 紹介画像だけに背景ぼかしのはみ出し対策を入れます。 */
    .intro-main-image {
      isolation: isolate !important;
      background: transparent !important;
    }

    .intro-main-image::before {
      content: "" !important;
      position: absolute !important;
      inset: -48px -96px !important;
      z-index: 0 !important;
      background-image: var(--intro-bg) !important;
      background-size: cover !important;
      background-position: center center !important;
      background-repeat: no-repeat !important;
      filter: blur(30px) saturate(1.08) !important;
      transform: scale(1.18) !important;
      opacity: 1 !important;
    }

    .intro-main-image img {
      background: transparent !important;
    }
  


    /* レスポンシブ確認で追加した横スクロール防止の最小調整です。 */
    html,
    body {
      overflow-x: hidden;
    }

    @media (max-width: 480px) {
      /* 狭い画面では長い紹介文だけ自然に折り返し、画面外にはみ出さないようにします。 */
      .intro-message .keep-line {
        white-space: normal;
      }

      /* リンク一覧の矢印が文字を圧迫しないよう、列幅だけを調整します。 */
      .social-list a {
        grid-template-columns: minmax(0, 1fr) auto;
      }
    }

/* 帯表示の上下ぼかしを無効にし、添付画像を両端まで表示します。 */
.intro-main-image {
  display: block !important;
  width: 100vw !important;
  max-width: none !important;
  height: auto !important;
  min-height: 0 !important;
  margin: 0 !important;
  overflow: hidden !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  line-height: 0 !important;
}

/* 以前の帯表示用ぼかし背景を完全に消します。 */
.intro-main-image::before {
  content: none !important;
  display: none !important;
  background: none !important;
  filter: none !important;
  transform: none !important;
}

/* 画像上の余計な重なり表示をなくし、写真そのものだけを表示します。 */
.intro-main-image::after {
  content: none !important;
  display: none !important;
  background: none !important;
}

/* 横幅いっぱいに表示し、画像比率を保つことで上下のぼかしや余白を出さない設定です。 */
.intro-main-image img {
  display: block !important;
  width: 100% !important;
  height: auto !important;
  min-width: 0 !important;
  max-width: none !important;
  max-height: none !important;
  aspect-ratio: auto !important;
  object-fit: fill !important;
  object-position: center center !important;
  border-radius: 0 !important;
  background: transparent !important;
}

@media (max-width: 620px) {
  /* スマートフォンでも同じ画像比率のまま両端まで表示します。 */
  .intro-main-image {
    height: auto !important;
  }

  .intro-main-image img {
    width: 100% !important;
    height: auto !important;
    max-height: none !important;
  }
}




/* 狭い画面で文章が強制的に改行される場合のみ、区切りの良い <wbr> 位置で折り返しやすくします。 */
/* 行間隔・余白・フォントサイズは変更していません。 */
@media (max-width: 640px) {
  h1.intro-message,
  .section-head > p:not(.eyebrow),
  .link-copy > p:not(.eyebrow),
  .social-list small {
    word-break: keep-all;
    overflow-wrap: normal;
  }
}

/* 極端に狭い端末では、画面外にはみ出すことだけを防ぎます。 */
@media (max-width: 340px) {
  h1.intro-message,
  .section-head > p:not(.eyebrow),
  .link-copy > p:not(.eyebrow),
  .social-list small {
    overflow-wrap: anywhere;
  }
}

/* ヘッダー固定時に本文や直下画像が隠れないようにする最小調整です。 */
:root {
  --fixed-header-height: 0px;
}

.site-header {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  width: 100% !important;
  z-index: 1000 !important;
}

main {
  padding-top: var(--fixed-header-height) !important;
}

.hero,
section {
  scroll-margin-top: calc(var(--fixed-header-height) + 18px) !important;
}