/* SP版フォント・余白変数（Figma Store LP モバイル 360px 基準 vw。Android SP フレーム: 5236:1377） */
    :root {
      /* Typography/font{px} → (px / 360) * min(100vw, 480px) */
      --typography-font-10: min(2.78vw, 13.344px);
      --typography-font-12: min(3.33vw, 15.984px);
      --typography-font-14: min(3.89vw, 18.672px);
      --typography-font-16: min(4.44vw, 21.312px);
      --typography-font-20: min(5.56vw, 26.688px);
      --typography-font-24: min(6.67vw, 32.016px);
      --typography-font-32: min(8.89vw, 42.672px);
      --typography-font-36: min(10vw, 48px);

      --font-size-base: 0.875rem;

      /* Space/gap{px} → (px / 360) * min(100vw, 480px) */
      --space-gap-2: min(0.56vw, 2.688px);
      --space-gap-4: min(1.11vw, 5.328px);
      --space-gap-8: min(2.22vw, 10.656px);
      --space-gap-12: min(3.33vw, 15.984px);
      --space-gap-16: min(4.44vw, 21.312px);
      --space-gap-20: min(5.56vw, 26.688px);
      --space-gap-24: min(6.67vw, 32.016px);
      --space-gap-32: min(8.89vw, 42.672px);
      --space-gap-40: min(11.11vw, 53.328px);
      --space-gap-48: min(13.33vw, 63.984px);

      --space-inset-section: var(--space-gap-24);
      --space-inset-card: var(--space-gap-16);
      --space-stack-tight: var(--space-gap-8);
      --space-stack-default: var(--space-gap-12);
      --space-stack-loose: var(--space-gap-16);

      --color-text-primary: #ffffff;
      --color-text-secondary: #a5a8bd;
      --color-text-accent: #ff9933;
      --color-text-highlight: #ffdd00;
      --color-text-primary-muted: rgba(255, 255, 255, 0.8);
      --color-bg-primary: #000000;
      --color-bg-secondary: #222326;
      --color-bg-tertiary: #373840;
      --color-border-default: #666666;
      --color-border-light: #ffffff;
      --color-button-primary-bg: #ff7c03;
      --color-button-primary-text: #ffffff;
      --color-button-primary-sweep: #ee2737;
      --color-button-disabled-bg: #555555;
      --color-icon-default: #bcbed4;
      --color-shadow-strong: rgba(0, 0, 0, 0.8);
      --color-shadow-soft: rgba(0, 0, 0, 0.25);

      --line-height-single: 1.2;
      --line-height-multi: 1.5;
      --font-weight-regular: 400;
      --font-weight-bold: 700;

      --radius-0: 0;
      --radius-2: 2px;
      --radius-4: 4px;
      --radius-8: 8px;
      --radius-12: 12px;
      --radius-16: 16px;
      --radius-24: 24px;
      --radius-9999: 9999px;
      --radius-button: var(--radius-4);
      --radius-card: var(--radius-8);
      --radius-pill: var(--radius-9999);
      --radius-game-list-image: 22.22%;
    }


    /* 共通スタイル（一般版・R18版共通） */
    .store-dl-page {
      display: flex;
      flex-direction: column;
      gap: var(--space-gap-40);
      padding-bottom: var(--space-gap-48);
      background: var(--color-bg-primary);
      color: var(--color-text-primary);
      word-break: break-all;
      box-sizing: border-box;
      margin: 0;
      font-size: var(--font-size-base);
      font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Hiragino Sans, Meiryo, Yu Gothic, sans-serif;
      font-weight: var(--font-weight-regular);
      line-height: var(--line-height-multi);
      -webkit-text-size-adjust: 100%;
    }

    .store-dl-page *,
    .store-dl-page *::before,
    .store-dl-page *::after {
      box-sizing: border-box;
    }

    /* SP版用リセットスタイル */
    .store-dl-page h1 {
      margin: 0;
      padding: 0;
      font-size: inherit;
      font-weight: inherit;
      line-height: inherit;
    }

    .store-dl-page h2 {
      font-size: var(--typography-font-32);
      margin: 0 0 var(--space-gap-32);
    }

    .store-dl-page h3 {
      font-size: var(--typography-font-20);
      text-align: left;
      margin: 0 0 var(--space-gap-8);
    }

    .store-dl-page p {
      margin: 0;
      padding: 0;
    }

    .store-dl-page a {
      color: var(--color-text-primary);
    }

    .store-dl-page .underline {
      text-decoration: underline;
    }

    .store-dl-page ul {
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .store-dl-page li {
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .store-dl-page dl {
      margin: 0;
      padding: 0;
    }

    .store-dl-page dt {
      margin: 0;
      padding: 0;
    }

    .store-dl-page dd {
      margin: 0;
      padding: 0;
    }

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

    /* FV共通スタイル */
    .store-dl-page .hero-area {
      position: relative;
      min-height: 514px;
      padding: var(--space-gap-16) 0 0;
    }

    /* hero-area__catchcopy */
    .store-dl-page .hero-area__catchcopy {
      margin: 0;
      padding: 0;
      font-size: var(--typography-font-20);
      font-weight: var(--font-weight-bold);
      line-height: var(--line-height-single);
      color: var(--color-text-primary);
      text-align: center;
      opacity: 0;
      animation: fade-in .3s ease-out .5s forwards;
    }

    /* hero-area（main-area/FVセクション） */
    .store-dl-page .hero-area .hero-area__inner {
      display: flex;
      flex-direction: column;
      gap: var(--space-gap-8);
      align-items: center;
      justify-content: center;
      padding: 80% 0 0;
      opacity: 0;
      animation: fade-in .3s ease-out 1s forwards;
    }

    .store-dl-page .hero-area .hero-area__subtitle {
      margin: 0;
      font-size: var(--typography-font-14);
      font-weight: var(--font-weight-bold);
      line-height: var(--line-height-single);
      color: var(--color-text-primary);
      text-align: center;
    }

    .store-dl-page .hero-area .hero-area__logo-area {
      display: flex;
      flex-direction: column;
      align-items: center;
      padding: 0 var(--space-gap-24);
      width: 100%;
    }

    .store-dl-page .hero-area .hero-area__logo-heading {
      display: flex;
      justify-content: center;
      width: 100%;
      margin: 0;
    }

    .store-dl-page .hero-area .hero-area__logo-heading img {
      width: 100%;
      height: auto;
      object-fit: contain;
    }

    .store-dl-page .hero-area .download-section {
      display: flex;
      flex-direction: column;
      gap: var(--space-gap-16);
      align-items: center;
      padding: var(--space-gap-24) var(--space-gap-24) 0;
      width: 100%;
      margin: 0 auto;
      opacity: 0;
      animation: fade-in .3s ease-out 1.5s forwards;
    }

    .store-dl-page .hero-area .download-section .button--download {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 100%;
      padding: var(--space-gap-16) var(--space-gap-24);
      background: var(--color-button-primary-bg);
      border-radius: var(--radius-button);
      font-size: var(--typography-font-16);
      font-weight: var(--font-weight-bold);
      line-height: var(--line-height-single);
      color: var(--color-text-primary);
      text-align: center;
      text-decoration: none;
    }

    .store-dl-page .hero-area .download-section .download-section__hint {
      width: 100%;
      margin: 0 auto;
      font-size: var(--typography-font-12);
      font-weight: var(--font-weight-regular);
      line-height: var(--line-height-multi);
      color: var(--color-text-primary);
      text-align: center;
    }

    .store-dl-page .hero-area .download-section .button--guide {
      display: flex;
      align-items: center;
      justify-content: center;
      padding: var(--space-gap-8) var(--space-gap-32);
      border: 1px solid var(--color-border-light);
      border-radius: var(--radius-button);
      font-size: var(--typography-font-14);
      font-weight: var(--font-weight-regular);
      line-height: var(--line-height-multi);
      color: var(--color-text-primary);
      text-align: center;
      text-decoration: none;
    }


    /* ピックアップゲーム（game-list-section） */
    .store-dl-page .game-list-section {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: var(--space-gap-32);
      width: 100%;
      /* 横スクロール／無限スクロールのリストは画面端まで使うため左右パディングなし */
      opacity: 0;
      animation: fade-in .5s ease-out 1.5s forwards;
    }

    .store-dl-page .game-list-section__inner {
      display: flex;
      flex-direction: column;
      gap: var(--space-gap-24);
      align-items: center;
      width: 100%;
    }

    .store-dl-page .game-list-section__title {
      margin: 0;
      font-size: var(--typography-font-24);
      font-weight: var(--font-weight-bold);
      line-height: var(--line-height-single);
      color: var(--color-text-primary);
      text-align: center;
    }

    .store-dl-page .game-list-section__category-group {
      display: flex;
      flex-direction: column;
      gap: 0;
      width: 100%;
      overflow: hidden;
    }

    /* 手動横スクロール帯は子の overflow-x を効かせる（無限スクロール帯は従来どおり hidden） */
    .store-dl-page .game-list-section__category-group:has(.game-list-section__list-slide--swipe) {
      overflow: visible;
    }

    .store-dl-page .game-list-section__list {
      display: flex;
      flex-wrap: wrap;
      gap: var(--space-gap-16);
      justify-content: center;
      width: 100%;
      max-width: 640px;
      margin: 0 auto;
      padding: 0 var(--space-gap-24);
      list-style: none;
    }

    .store-dl-page .game-list-section__list-slide {
      display: flex;
      gap: var(--space-gap-16);
      width: 100%;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    /* 作品数が少ない帯: 自動スクロールではなく横スワイプ（data-infinite-scroll なし） */
    .store-dl-page .game-list-section__list-slide--swipe {
      flex-wrap: nowrap;
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
      touch-action: pan-x;
      scroll-snap-type: x proximity;
      box-sizing: border-box;
      /* 初期・終端で1枚目／最終枚の外側に gap24 相当の余白 */
      padding-inline: var(--space-gap-24);
      scroll-padding-inline: var(--space-gap-24);
      scrollbar-width: none;
    }

    .store-dl-page .game-list-section__list-slide--swipe::-webkit-scrollbar {
      display: none;
    }

    /* 無限スクロールアニメーション用スタイル */
    .store-dl-page .game-list-section__category-group .flowing-animation {
      display: flex;
      overflow: hidden;
      width: min(200vw, 960px);
      touch-action: none;
    }

    .store-dl-page .game-list-section__category-group .flowing-animation .game-list-section__list-slide {
      display: flex;
      flex-wrap: nowrap;
      gap: var(--space-gap-16);
      width: auto;
      margin: 0;
      padding: 0;
      list-style: none;
      animation: infinity-scroll 30s infinite linear 0.5s both;
      padding-right: var(--space-gap-16);
    }

    .store-dl-page .game-list-section__category-group .flowing-animation .game-list-section__list-slide.new-release {
      animation: infinity-scroll 22.5s infinite linear 0.5s both;
    }

    @keyframes infinity-scroll {
      from {
        transform: translateX(0);
      }
      to {
        transform: translateX(-100%);
      }
    }

    /* フェードインアニメーション定義（共通） */
    @keyframes fade-in {
      from {
        opacity: 0;
        top: 30px;
        position: relative;
      }
      to {
        opacity: 1;
        top: 0;
        position: relative;
      }
    }


    .store-dl-page .game-list-section__item {
      display: flex;
      flex-direction: column;
      gap: var(--space-gap-8);
      margin: 0;
      padding: 0;
      list-style: none;
      flex-shrink: 0;
    }

    /* 横並びリスト（無限スクロール帯）: サムネ 142px @360 → min(39.44vw, 189.312px) */
    .store-dl-page .game-list-section__list-slide > .game-list-section__item {
      flex: 0 0 auto;
      width: min(39.44vw, 189.312px);
      max-width: 142px;
      scroll-snap-align: start;
    }

    /* 手動スワイプ: 内幅に対し約2枚＋3枚目の先頭が少し入る。広い画面ではカード最大250px */
    .store-dl-page .game-list-section__list-slide--swipe > .game-list-section__item {
      box-sizing: border-box;
      flex: 0 0 auto;
      width: calc((100% - var(--space-gap-16) - var(--space-gap-24)) / 2);
      max-width: 250px;
      scroll-snap-align: start;
    }

    /* adult 1本目: 最大幅640px・2列固定（gap 16 を挟んだ50/50） */
    .store-dl-page .game-list-section__list > .game-list-section__item {
      box-sizing: border-box;
      width: calc((100% - var(--space-gap-16)) / 2);
      max-width: none;
    }

    .store-dl-page .game-card__image-wrapper {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      justify-content: center;
      width: 100%;
    }

    .store-dl-page .game-card__image {
      width: 100%;
      height: auto;
      aspect-ratio: 1 / 1;
      object-fit: cover;
      border-radius: var(--radius-game-list-image);
      vertical-align: top;
    }

    .store-dl-page .game-list-section__game-name {
      margin: 0;
      font-size: var(--typography-font-12);
      font-weight: var(--font-weight-regular);
      line-height: var(--line-height-multi);
      color: var(--color-text-secondary);
      text-align: left;
      display: -webkit-box;
      overflow: hidden;
      -webkit-line-clamp: 2;
      line-clamp: 2;
      -webkit-box-orient: vertical;
    }

    .store-dl-page .game-list-section__description-wrapper {
      display: flex;
      flex-direction: column;
      gap: var(--space-gap-8);
      align-items: center;
    }

    .store-dl-page .game-list-section__description {
      margin: 0;
      font-size: var(--typography-font-16);
      font-weight: var(--font-weight-regular);
      line-height: var(--line-height-multi);
      color: var(--color-text-primary);
      text-align: center;
    }

    .store-dl-page .game-list-section__link {
      font-size: var(--typography-font-16);
      font-weight: var(--font-weight-bold);
      line-height: var(--line-height-single);
      color: var(--color-text-primary);
      text-decoration: underline;
    }


    /* install-guide-section（インストール方法） */
    .store-dl-page .install-guide-section {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: var(--space-gap-32);
      width: 100%;
      background: var(--color-bg-tertiary);
      padding: var(--space-gap-48) var(--space-gap-24);
      opacity: 0;
      animation: fade-in .5s ease-out 1.5s forwards;
    }

    .store-dl-page .install-guide-section__inner {
      display: flex;
      flex-direction: column;
      gap: var(--space-gap-24);
      align-items: center;
      width: 100%;
    }

    .store-dl-page .install-guide-section__title {
      margin: 0;
      font-size: var(--typography-font-24);
      font-weight: var(--font-weight-bold);
      line-height: var(--line-height-single);
      color: var(--color-text-primary);
      text-align: center;
    }

    .store-dl-page .install-guide-section__description {
      margin: 0;
      font-size: var(--typography-font-14);
      font-weight: var(--font-weight-regular);
      line-height: var(--line-height-multi);
      color: var(--color-text-secondary);
    }

    .store-dl-page .install-guide-section__step-list {
      display: flex;
      flex-direction: column;
      gap: var(--space-gap-24);
      width: 100%;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .store-dl-page .install-guide-section__step-item {
      display: flex;
      flex-direction: column;
      gap: var(--space-gap-16);
      align-items: flex-start;
      width: 100%;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .store-dl-page .install-guide-section__step-item:last-child {
      align-items: center;
    }

    .store-dl-page .install-guide-section__step-title {
      margin: 0;
      font-size: var(--typography-font-20);
      font-weight: var(--font-weight-bold);
      line-height: var(--line-height-single);
      color: var(--color-text-primary);
    }

    .store-dl-page .install-guide-section__step-description {
      margin: 0;
      font-size: var(--typography-font-14);
      font-weight: var(--font-weight-regular);
      line-height: var(--line-height-multi);
      color: var(--color-text-secondary);
    }

    .store-dl-page .install-guide-section__step-item:last-child .install-guide-section__step-description {
      text-align: center;
    }

    .store-dl-page .install-guide-section__step-description--accent {
      color: var(--color-text-accent);
    }

    .store-dl-page .step-card__image-wrapper {
      display: flex;
      flex-direction: column;
      align-items: center;
      width: 100%;
    }

    .store-dl-page .step-card__image {
      width: 100%;
      max-width: 300px;
      height: auto;
      vertical-align: top;
    }

    .store-dl-page .install-guide-section__step-item .button--guide {
      align-items: center;
      justify-content: center;
      padding: var(--space-gap-8) var(--space-gap-32);
      border: 1px solid var(--color-border-light);
      border-radius: var(--radius-button);
      font-size: var(--typography-font-12);
      font-weight: var(--font-weight-regular);
      line-height: var(--line-height-multi);
      color: var(--color-text-primary);
      text-align: center;
      text-decoration: none;
    }

    .store-dl-page .install-guide-section__inner .button--download {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 100%;
      padding: var(--space-gap-16) var(--space-gap-24);
      background: var(--color-button-primary-bg);
      border-radius: var(--radius-button);
      font-size: var(--typography-font-16);
      font-weight: var(--font-weight-bold);
      line-height: var(--line-height-single);
      color: var(--color-text-primary);
      text-align: center;
      text-decoration: none;
      position: relative;
    }

    /* about-section（DMM GAMES STOREとは） */
    .store-dl-page .about-section {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: var(--space-gap-32);
      width: 100%;
      padding: 0 var(--space-gap-24);
      opacity: 0;
      animation: fade-in .5s ease-out 1.5s forwards;
    }

    .store-dl-page .about-section__inner {
      display: flex;
      flex-direction: column;
      gap: var(--space-gap-24);
      align-items: center;
      width: 100%;
    }

    .store-dl-page .about-section__title {
      margin: 0;
      font-size: var(--typography-font-24);
      font-weight: var(--font-weight-bold);
      line-height: var(--line-height-single);
      color: var(--color-text-primary);
      text-align: center;
    }

    .store-dl-page .about-section__introduction {
      margin: 0;
      font-size: var(--typography-font-14);
      font-weight: var(--font-weight-regular);
      line-height: var(--line-height-multi);
      color: var(--color-text-primary);
      text-align: center;
    }

    .store-dl-page .about-section__feature-list {
      display: flex;
      flex-direction: column;
      gap: var(--space-gap-16);
      width: 100%;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .store-dl-page .about-section__feature-item {
      display: flex;
      flex-direction: column;
      width: 100%;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .store-dl-page .feature-card {
      display: flex;
      flex-direction: column;
      gap: var(--space-gap-24);
      align-items: center;
      padding: 16px;
      background: var(--color-bg-secondary);
    }

    .store-dl-page .feature-card__icon {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      justify-content: center;
      height: 60px;
    }

    .store-dl-page .feature-card__icon-image {
      width: 56px;
      height: 35px;
      vertical-align: top;
    }

    .store-dl-page .about-section__feature-item:nth-of-type(2) .feature-card__icon-image {
      width: 69px;
      height: 54px;
    }

    .store-dl-page .about-section__feature-item:nth-of-type(3) .feature-card__icon-image {
      width: 63px;
      height: 46px;
    }

    .store-dl-page .feature-card__content {
      display: flex;
      flex-direction: column;
      gap: var(--space-gap-8);
      align-items: center;
      text-align: center;
      color: var(--color-text-secondary);
    }

    .store-dl-page .feature-card__title {
      margin: 0;
      font-size: var(--typography-font-16);
      font-weight: var(--font-weight-bold);
      line-height: var(--line-height-single);
      color: var(--color-text-secondary);
    }

    .store-dl-page .feature-card__description {
      margin: 0;
      font-size: var(--typography-font-14);
      font-weight: var(--font-weight-regular);
      line-height: var(--line-height-multi);
      color: var(--color-text-secondary);
    }

    /* FAQセクション（faq-section） */
    .store-dl-page .faq-section {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: var(--space-gap-32);
      width: 100%;
      font-size: var(--typography-font-12);
      padding: 0 var(--space-gap-24);
      opacity: 0;
      animation: fade-in .5s ease-out 1.5s forwards;
    }

    .store-dl-page .faq-section__inner {
      display: flex;
      flex-direction: column;
      gap: var(--space-gap-24);
      align-items: center;
      width: 100%;
    }

    .store-dl-page .faq-section__title {
      font-size: var(--typography-font-24);
      font-weight: var(--font-weight-bold);
      line-height: var(--line-height-single);
      color: var(--color-text-primary);
      text-align: center;
      margin: 0;
    }

    .store-dl-page .faq-section__list {
      display: flex;
      flex-direction: column;
      width: 100%;
      text-align: left;
    }

    .store-dl-page .faq-section__list > dt {
      border-top: 1px solid var(--color-border-default);
    }

    .store-dl-page .faq-item__header {
      display: flex;
      gap: var(--space-gap-16);
      padding: var(--space-gap-8) var(--space-gap-16);
      background: var(--color-bg-tertiary);
      font-size: var(--typography-font-14);
      font-weight: var(--font-weight-bold);
      line-height: var(--line-height-multi);
      color: var(--color-text-secondary);
      cursor: pointer;
      border: none;
      text-align: left;
      width: 100%;
    }

    .store-dl-page .faq-item__q {
      font-size: var(--typography-font-14);
      font-weight: var(--font-weight-bold);
      line-height: var(--line-height-multi);
      color: var(--color-text-secondary);
    }

    .store-dl-page .faq-item__question-text {
      flex: 1;
      line-height: var(--line-height-multi);
      color: var(--color-text-secondary);
      text-align: left;
    }

    .store-dl-page .faq-item__icon {
      font-size: var(--typography-font-14);
      line-height: var(--line-height-multi);
      color: var(--color-text-secondary);
    }

    .store-dl-page .faq-item__icon::after {
      content: "▼";
    }

    .store-dl-page .faq-item__icon.open::after {
      content: "▲";
    }

    .store-dl-page .faq-item__answer {
      display: flex;
      gap: var(--space-gap-16);
      padding: var(--space-gap-12) var(--space-gap-24);
      background: var(--color-bg-secondary);
      text-align: left;
    }

    .store-dl-page .faq-item__a {
      font-size: var(--typography-font-16);
      font-weight: var(--font-weight-bold);
      line-height: var(--line-height-single);
      color: var(--color-text-secondary);
    }

    .store-dl-page .faq-item__content {
      display: flex;
      flex-direction: column;
      flex: 1;
      gap: var(--space-gap-8);
      text-align: left;
    }

    .store-dl-page .faq-item__text {
      font-size: var(--typography-font-12);
      line-height: var(--line-height-multi);
      color: var(--color-text-secondary);
      margin: 0;
      text-align: left;
    }

    .store-dl-page .faq-item__list {
      display: flex;
      flex-direction: column;
      gap: var(--space-gap-12);
      padding: 0 0 var(--space-gap-12) 18px;
      margin: 0;
      list-style-position: outside;
    }

    .store-dl-page .faq-item__list-item {
      list-style: disc;
      font-size: var(--typography-font-12);
      line-height: var(--line-height-multi);
      color: var(--color-text-secondary);
    }

    .store-dl-page .faq-item__list-item strong {
      font-weight: var(--font-weight-bold);
      color: var(--color-text-secondary);
      font-size: var(--typography-font-14);
    }

    .store-dl-page .faq-item__link {
      font-size: var(--typography-font-12);
      line-height: var(--line-height-multi);
      text-decoration: underline;
      color: var(--color-text-primary-muted);
    }

    .store-dl-page .faq-section__link-wrapper {
      margin: 0;
      text-align: center;
    }

    .store-dl-page .faq-section__link {
      font-size: var(--typography-font-16);
      font-weight: var(--font-weight-regular);
      line-height: var(--line-height-single);
      color: var(--color-text-primary);
      text-decoration: underline;
    }

    /* 下部のDLボタン */
    .store-dl-page .download-section:not(.hero-area .download-section) {
      display: flex;
      flex-direction: column;
      gap: var(--space-gap-16);
      align-items: center;
      padding: 0 var(--space-gap-24);
      width: 100%;
      margin: 0 auto;
      opacity: 0;
      animation: fade-in .5s ease-out 1.5s forwards;
    }

    .store-dl-page .download-section:not(.hero-area .download-section) .button--download {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 100%;
      padding: var(--space-gap-16) var(--space-gap-24);
      background: var(--color-button-primary-bg);
      border-radius: var(--radius-button);
      font-size: var(--typography-font-16);
      font-weight: var(--font-weight-bold);
      line-height: var(--line-height-single);
      color: var(--color-text-primary);
      text-align: center;
      text-decoration: none;
    }

    .store-dl-page .download-section:not(.hero-area .download-section) .download-section__hint {
      width: 100%;
      margin: 0 auto;
      font-size: var(--typography-font-12);
      font-weight: var(--font-weight-regular);
      line-height: var(--line-height-multi);
      color: var(--color-text-primary);
      text-align: center;
    }

    .store-dl-page .download-section:not(.hero-area .download-section) .button--guide {
      display: flex;
      align-items: center;
      justify-content: center;
      padding: var(--space-gap-8) var(--space-gap-32);
      border: 1px solid var(--color-border-light);
      border-radius: var(--radius-button);
      font-size: var(--typography-font-14);
      font-weight: var(--font-weight-regular);
      line-height: var(--line-height-multi);
      color: var(--color-text-primary);
      text-align: center;
      text-decoration: none;
    }

    /* 推奨環境と留意事項 */
    .store-dl-page .product-spec {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: var(--space-gap-32);
      width: 100%;
      padding: 0 var(--space-gap-24);
      opacity: 0;
      animation: fade-in .5s ease-out 1.5s forwards;
    }

    .store-dl-page .product-spec__inner {
      display: flex;
      flex-direction: column;
      gap: var(--space-gap-24);
      align-items: center;
      width: 100%;
      margin: 0;
      padding: 0;
    }

    .store-dl-page .product-spec__group {
      display: flex;
      flex-direction: column;
      gap: var(--space-gap-16);
      width: 100%;
      color: var(--color-text-primary);
      text-align: left;
    }

    .store-dl-page .product-spec__group--info {
      flex: 1 0 0;
      padding-left: 0;
    }

    .store-dl-page .product-spec__title {
      margin: 0;
      font-size: var(--typography-font-16);
      font-weight: var(--font-weight-bold);
      line-height: var(--line-height-multi);
      color: var(--color-text-primary);
      text-align: left;
      width: 100%;
    }

    .store-dl-page .product-spec__subtitle {
      margin: 0;
      font-size: var(--typography-font-14);
      font-weight: var(--font-weight-bold);
      line-height: var(--line-height-single);
      color: var(--color-text-primary);
      text-align: left;
    }

    .store-dl-page .product-spec__list {
      display: flex;
      flex-direction: column;
      gap: var(--space-gap-4);
      margin: 0;
      padding: 0 0 0 18px;
      list-style: disc;
    }

    .store-dl-page .product-spec__group--info .product-spec__list {
      gap: var(--space-gap-8);
    }

    .store-dl-page .product-spec__list-item {
      margin: 0;
      font-size: var(--typography-font-12);
      font-weight: var(--font-weight-regular);
      line-height: var(--line-height-single);
      color: var(--color-text-primary);
      list-style: disc;
    }

    .store-dl-page .product-spec__group--info .product-spec__list-item {
      line-height: var(--line-height-multi);
    }

    .store-dl-page .button--download {
      overflow: hidden;
      position: relative;
      z-index: 1;
    }
    .store-dl-page .button--download::after {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      z-index: -1;
      width: 100%;
      height: 100%;
      background: var(--color-button-primary-sweep);
      transform: translateX(-100%);
      animation: download-animation .7s ease-out 2s forwards;
    }

    .store-dl-page .button--download.button--download-disabled,
    .store-dl-page .button--download[aria-disabled="true"] {
      background: var(--color-button-disabled-bg) !important;
      pointer-events: none;
      cursor: default;
    }

    .store-dl-page .button--download.button--download-disabled::after,
    .store-dl-page .button--download[aria-disabled="true"]::after {
      content: none;
      animation: none;
    }

    @keyframes download-animation {
      0% {
        transform: translateX(-100%);
        display: block;
      }
      99% {
        transform: translateX(100%);
        display: block;
      }
      100% {
        transform: translateX(100%);
        display: none;
      }
    }