:root {
      --color-bg: #0a0a0f;
      --color-bg-secondary: #12121a;
      --color-bg-card: #1a1a25;
      --color-primary: #00d4ff;
      --color-secondary: #7b2fff;
      --color-accent: #ff00aa;
      --color-text: #ffffff;
      --color-text-muted: #8a8a9a;
      --color-border: rgba(0, 212, 255, 0.2);
      --font-body: "Noto Sans JP", sans-serif;
      --glow-primary: 0 0 20px rgba(0, 212, 255, 0.5);
      --glow-secondary: 0 0 20px rgba(123, 47, 255, 0.5);
      --glow-accent: 0 0 20px rgba(255, 0, 170, 0.5);
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      overflow-x: hidden;
    }

    body {
      font-family: var(--font-body);
      background-color: var(--color-bg);
      color: var(--color-text);
      line-height: 1.8;
      overflow-x: hidden;
      width: 100%;
      max-width: 100vw;
    }

    /* 背景グリッド */
    body::before {
      content: "";
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-image: linear-gradient(rgba(0, 212, 255, 0.03) 1px,
          transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
      background-size: 50px 50px;
      pointer-events: none;
      z-index: 0;
    }

    /* ナビゲーション */
    .nav {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      background: rgba(10, 10, 15, 0.9);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--color-border);
      padding: 1rem 0;
    }

    .nav-container {
      max-width: 1400px;
      margin: 0 auto;
      padding: 0 2rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      position: relative;
    }

    .nav-logo {
      font-family: var(--font-body);
      font-size: 1.5rem;
      font-weight: 700;
      color: #fff;
      text-decoration: none;
      letter-spacing: 0.1em;
    }

    .nav-menu {
      display: flex;
      gap: 3rem;
      list-style: none;
    }

    .nav-link {
      color: var(--color-text-muted);
      text-decoration: none;
      font-family: var(--font-body);
      font-size: 0.85rem;
      font-weight: 500;
      letter-spacing: 0.05em;
      position: relative;
      padding: 0.5rem 0;
      transition: all 0.3s ease;
    }

    .nav-link::before {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: linear-gradient(90deg,
          var(--color-primary),
          var(--color-secondary));
      transition: width 0.3s ease;
      box-shadow: var(--glow-primary);
    }

    .nav-link:hover {
      color: var(--color-primary);
    }

    .nav-link:hover::before {
      width: 100%;
    }

    /* ハンバーガーメニュー */
    .nav-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      padding: 10px;
    }

    .nav-toggle span {
      width: 25px;
      height: 2px;
      background: var(--color-primary);
      transition: all 0.3s ease;
      box-shadow: var(--glow-primary);
    }

    /* メインビジュアル */
    .hero {
      height: 100vh;
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
    }

    .hero-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: brightness(0.4) saturate(0.8);
    }
    .hero-image.mv_sp {
      display: none;
    }
    @media (max-width: 768px) {
      .hero-image.mv_pc {
        display: none;
      }

      .hero-image.mv_sp {
        display: block;
      }
    }

    /* .hero-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: radial-gradient(ellipse at 20% 80%,
          rgba(123, 47, 255, 0.3) 0%,
          transparent 50%),
        radial-gradient(ellipse at 80% 20%,
          rgba(0, 212, 255, 0.3) 0%,
          transparent 50%),
        radial-gradient(ellipse at 50% 50%,
          rgba(255, 0, 170, 0.1) 0%,
          transparent 70%),
        linear-gradient(180deg,
          rgba(10, 10, 15, 0.5) 0%,
          rgba(10, 10, 15, 0.9) 100%);
    } */

    .hero-content {
      position: relative;
      z-index: 10;
      text-align: center;
      padding: 2rem;
      animation: fadeInUp 1.2s ease;
    }

    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(40px);
      }

      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .hero-subtitle {
      font-family: var(--font-body);
      font-size: clamp(0.8rem, 1.5vw, 1rem);
      color: #fff;
      letter-spacing: 0.3em;
      margin-bottom: 1.5rem;
      font-weight: 400;
    }

    .hero-title {
      font-family: var(--font-body);
      font-size: clamp(2.5rem, 7vw, 5rem);
      font-weight: 700;
      line-height: 1.2;
      margin-bottom: 1.5rem;
      color: #fff;
    }

    .hero-title span {
      display: block;
      color: var(--color-primary);
    }

    .hero-description {
      font-size: 1rem;
      color: var(--color-text-muted);
      max-width: 500px;
      margin: 0 auto 2rem;
      font-weight: 300;
    }

    .hero-scroll {
      position: absolute;
      bottom: 3rem;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 0.5rem;
    }

    .hero-scroll span {
      font-family: var(--font-body);
      font-size: 0.7rem;
      letter-spacing: 0.2em;
      color: var(--color-text-muted);
    }

    .scroll-line {
      width: 1px;
      height: 50px;
      background: linear-gradient(180deg, var(--color-primary), transparent);
      animation: scrollPulse 2s infinite;
    }

    @keyframes scrollPulse {

      0%,
      100% {
        opacity: 0.3;
        height: 50px;
      }

      50% {
        opacity: 1;
        height: 70px;
      }
    }

    /* セクション共通 */
    section {
      padding: 8rem 2rem;
      position: relative;
      z-index: 1;
      width: 100%;
      box-sizing: border-box;
    }

    .section-container {
      max-width: 1200px;
      margin: 0 auto;
      width: 100%;
      box-sizing: border-box;
    }

    .section-header {
      text-align: center;
      margin-bottom: 5rem;
    }

    .section-label {
      font-family: var(--font-body);
      font-size: 0.75rem;
      color: var(--color-primary);
      letter-spacing: 0.2em;
      margin-bottom: 1rem;
    }

    .section-title {
      font-family: var(--font-body);
      font-size: clamp(1.8rem, 4vw, 2.5rem);
      font-weight: 700;
      color: var(--color-text);
      line-height: 1.3;
    }

    /* クリエイター紹介 */
    .creator {
      background: var(--color-bg-secondary);
      position: relative;
    }

    .creator::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg,
          transparent,
          var(--color-primary),
          var(--color-secondary),
          transparent);
    }

    .creator-content {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 5rem;
      align-items: center;
    }

    .creator-image-wrapper {
      position: relative;
    }

    .creator-image-wrapper::before {
      content: "";
      position: absolute;
      top: -15px;
      left: -15px;
      right: 15px;
      bottom: 15px;
      border: 1px solid var(--color-primary);
      opacity: 0.5;
    }

    .creator-image-wrapper::after {
      content: "";
      position: absolute;
      top: 15px;
      left: 15px;
      right: -15px;
      bottom: -15px;
      border: 1px solid var(--color-secondary);
      opacity: 0.5;
    }

    .creator-image {
      width: 100%;
      height: 500px;
      object-fit: cover;
      position: relative;
      z-index: 2;
      filter: grayscale(30%) contrast(1.1);
      transition: filter 0.5s ease;
    }

    .creator-image:hover {
      filter: grayscale(0%) contrast(1);
    }

    .creator-info h3 {
      font-family: var(--font-body);
      font-size: 1.8rem;
      color: var(--color-text);
      margin-bottom: 0.5rem;
      font-weight: 700;
    }

    .creator-tagline {
      font-family: var(--font-body);
      font-size: 0.85rem;
      color: var(--color-primary);
      letter-spacing: 0.1em;
      margin-bottom: 2rem;
    }

    .creator-description {
      color: var(--color-text-muted);
      margin-bottom: 2rem;
      font-weight: 300;
      line-height: 2;
    }

    .creator-social {
      display: flex;
      gap: 1rem;
    }

    .social-link {
      width: 45px;
      height: 45px;
      border: 1px solid var(--color-border);
      background: rgba(0, 212, 255, 0.05);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-primary);
      text-decoration: none;
      font-family: var(--font-body);
      font-size: 0.8rem;
      font-weight: 600;
      transition: all 0.3s ease;
    }

    .social-link:hover {
      background: var(--color-primary);
      color: var(--color-bg);
      box-shadow: var(--glow-primary);
      transform: translateY(-3px);
    }

    /* グッズ紹介 */
    .goods {
      background: var(--color-bg);
    }

    .goods-list {
      display: flex;
      flex-direction: column;
      gap: 4rem;
      width: 100%;
      max-width: 100%;
    }

    .goods-item {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 4rem;
      align-items: center;
      padding: 3rem;
      background: var(--color-bg-card);
      width: 100%;
      max-width: 100%;
      box-sizing: border-box;
      border: 1px solid var(--color-border);
      position: relative;
      overflow: hidden;
      transition: all 0.5s ease;
    }

    .goods-item::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(135deg,
          rgba(0, 212, 255, 0.05) 0%,
          transparent 50%,
          rgba(123, 47, 255, 0.05) 100%);
      opacity: 0;
      transition: opacity 0.5s ease;
    }

    .goods-item:hover::before {
      opacity: 1;
    }

    .goods-item:hover {
      border-color: var(--color-primary);
      box-shadow: 0 0 40px rgba(0, 212, 255, 0.1);
    }

    .goods-left {
      position: relative;
      width: 100%;
    }

    .goods-image-wrapper {
      position: relative;
      width: 100%;
      aspect-ratio: 4/3;
      background: var(--color-bg-secondary);
    }

    .goods-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.7s ease;
    }

    .goods-item:hover .goods-image {
      transform: scale(1.05);
    }

    .goods-badge {
      position: absolute;
      top: 1rem;
      left: 1rem;
      background: linear-gradient(135deg,
          var(--color-primary),
          var(--color-secondary));
      color: var(--color-bg);
      font-family: var(--font-body);
      font-size: 0.7rem;
      padding: 0.4rem 1rem;
      letter-spacing: 0.05em;
      font-weight: 700;
    }

    .goods-thumbnails {
      display: flex;
      gap: 0.5rem;
      margin-top: 0.75rem;
    }

    .goods-thumb {
      flex: 1;
      aspect-ratio: 1;
      max-width: 70px;
      object-fit: cover;
      cursor: pointer;
      border: 2px solid transparent;
      opacity: 0.6;
      transition: all 0.3s ease;
    }

    .goods-thumb:hover {
      opacity: 1;
      border-color: var(--color-primary);
    }

    .goods-thumb.active {
      opacity: 1;
      border-color: var(--color-primary);
      box-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
    }

    .goods-image-text {
      margin-top: 0.75rem;
      font-size: 0.85rem;
      color: var(--color-text-muted);
      line-height: 1.6;
    }

    .goods-right {
      position: relative;
      z-index: 1;
    }

    .goods-category {
      font-family: var(--font-body);
      font-size: 0.75rem;
      color: var(--color-primary);
      letter-spacing: 0.1em;
      margin-bottom: 0.5rem;
    }

    .goods-name {
      font-family: var(--font-body);
      font-size: 1.6rem;
      font-weight: 700;
      color: var(--color-text);
      margin-bottom: 1rem;
    }

    .goods-description {
      font-size: 0.95rem;
      color: var(--color-text-muted);
      margin-bottom: 2rem;
      line-height: 2;
    }

    .goods-price {
      font-family: var(--font-body);
      font-size: 1.8rem;
      font-weight: 700;
      color: var(--color-primary);
      margin-bottom: 2rem;
    }

    .goods-price span {
      font-size: 0.9rem;
      color: var(--color-text-muted);
    }

    .btn-buy {
      display: block;
      background: transparent;
      color: var(--color-primary);
      border: 1px solid var(--color-primary);
      padding: 1rem 2.5rem;
      font-family: var(--font-body);
      font-size: 0.85rem;
      font-weight: 600;
      letter-spacing: 0.05em;
      cursor: pointer;
      position: relative;
      overflow: hidden;
      transition: all 0.4s ease;
    }

    .btn-buy::before {
      content: "";
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg,
          var(--color-primary),
          var(--color-secondary));
      transition: left 0.4s ease;
      z-index: -1;
    }

    .btn-buy:hover {
      color: var(--color-bg);
      border-color: transparent;
      box-shadow: var(--glow-primary);
    }

    .btn-buy:hover::before {
      left: 0;
    }

    /* お問い合わせ */
    .contact {
      background: var(--color-bg-secondary);
      position: relative;
    }

    .contact::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg,
          transparent,
          var(--color-secondary),
          var(--color-primary),
          transparent);
    }

    .contact-content {
      text-align: center;
      max-width: 600px;
      margin: 0 auto;
    }

    .contact-text {
      color: var(--color-text-muted);
      font-weight: 300;
      line-height: 2;
      margin-bottom: 3rem;
    }

    .btn-contact {
      display: inline-block;
      background: linear-gradient(135deg,
          var(--color-primary),
          var(--color-secondary));
      color: var(--color-bg);
      text-decoration: none;
      padding: 1.2rem 3rem;
      font-family: var(--font-body);
      font-size: 1rem;
      font-weight: 700;
      letter-spacing: 0.05em;
      transition: all 0.3s ease;
    }

    .btn-contact:hover {
      box-shadow: var(--glow-primary), var(--glow-secondary);
      transform: translateY(-3px);
    }

    /* フッター */
    .footer {
      background: var(--color-bg);
      padding: 4rem 2rem 2rem;
      border-top: 1px solid var(--color-border);
    }

    .footer-container {
      max-width: 1200px;
      margin: 0 auto;
      text-align: center;
    }

    .footer-logo {
      font-family: var(--font-body);
      font-size: 1.4rem;
      font-weight: 700;
      color: #fff;
      letter-spacing: 0.1em;
      margin-bottom: 2rem;
    }

    .footer-nav {
      display: flex;
      justify-content: center;
      gap: 4rem;
      margin-bottom: 2rem;
      flex-wrap: wrap;
    }

    .footer-menu {
      list-style: none;
      display: flex;
      gap: 2rem;
      flex-wrap: wrap;
      justify-content: center;
    }

    .footer-menu a {
      color: var(--color-text-muted);
      text-decoration: none;
      font-size: 0.85rem;
      transition: color 0.3s ease;
    }

    .footer-menu a:hover {
      color: var(--color-primary);
    }

    .footer-text {
      color: var(--color-text-muted);
      font-size: 0.75rem;
      margin-top: 2rem;
      padding-top: 2rem;
      border-top: 1px solid var(--color-border);
    }

    /* レスポンシブ */
    @media (max-width: 1024px) {
      .goods-item {
        gap: 3rem;
        padding: 2rem;
      }

      .creator-content {
        gap: 3rem;
      }
    }

    @media (max-width: 768px) {
      .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.98);
        flex-direction: column;
        align-items: center;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease;
        z-index: 1000;
      }

      .nav-menu.active {
        max-height: 400px;
        border-bottom: 1px solid var(--color-border);
      }

      .nav-menu li {
        width: 100%;
        text-align: center;
        border-top: 1px solid var(--color-border);
      }

      .nav-menu li:first-child {
        border-top: none;
      }

      .nav-menu .nav-link {
        display: block;
        padding: 1.2rem 2rem;
        font-size: 1rem;
        color: var(--color-text);
      }

      .nav-menu .nav-link::before {
        display: none;
      }

      .nav-menu .nav-link:hover {
        background: rgba(0, 212, 255, 0.1);
      }

      .nav-toggle {
        display: flex;
        z-index: 1002;
        position: relative;
      }

      .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg);
        position: absolute;
        top: 50%;
      }

      .nav-toggle.active span:nth-child(2) {
        opacity: 0;
      }

      .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg);
        position: absolute;
        top: 50%;
      }

      .creator-content {
        grid-template-columns: 1fr;
        gap: 3rem;
      }

      .creator-image {
        height: 400px;
      }

      .goods-item {
        display: block;
        padding: 1.5rem;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        overflow: hidden;
      }

      .goods-left {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        margin-bottom: 1.5rem;
      }

      .goods-right {
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
      }

      .goods-image-wrapper {
        width: 100%;
        max-width: 100%;
        aspect-ratio: 4/3;
        box-sizing: border-box;
      }

      .goods-image {
        width: 100%;
        height: 100%;
        max-width: 100%;
        object-fit: cover;
        display: block;
      }

      .goods-name {
        font-size: 1.3rem;
      }

      .goods-description {
        font-size: 0.9rem;
        word-wrap: break-word;
        overflow-wrap: break-word;
        word-break: break-all;
      }

      .goods-price {
        font-size: 1.5rem;
      }

      .goods-thumbnails {
        display: flex;
        justify-content: center;
        gap: 0.4rem;
        margin-top: 0.75rem;
        padding: 0;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        flex-wrap: wrap;
      }

      .goods-thumb {
        flex: 0 0 auto;
        width: 45px;
        height: 45px;
        max-width: none;
      }

      .goods-image-text {
        text-align: center;
        font-size: 0.8rem;
      }

      section {
        padding: 4rem 1rem;
        overflow: hidden;
      }

      .section-container {
        padding: 0;
        overflow: hidden;
      }

      .goods-list {
        gap: 2rem;
      }

      .footer-nav {
        flex-direction: column;
        gap: 2rem;
      }

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

    /* スクロールアニメーション */
    .fade-in {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.8s ease, transform 0.8s ease;
    }

    .fade-in.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* グロー効果のアニメーション */
    @keyframes glowPulse {

      0%,
      100% {
        opacity: 0.5;
      }

      50% {
        opacity: 1;
      }
    }