@media (max-width: 767px) {
  html,
  body {
    max-width: 100%;
    overflow-x: hidden;
  }

  body.has-mobile-nav {
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
  }

  body.has-mobile-nav #main-wrapper,
  body.has-mobile-nav main,
  body.has-mobile-nav .container,
  body.has-mobile-nav .container--wide,
  body.has-mobile-nav .row {
    max-width: 100%;
  }

  body.has-mobile-nav img,
  body.has-mobile-nav video,
  body.has-mobile-nav iframe {
    max-width: 100%;
    height: auto;
  }

  body.has-mobile-nav input,
  body.has-mobile-nav select,
  body.has-mobile-nav textarea,
  body.has-mobile-nav button {
    font-size: 16px;
  }

  body.has-mobile-nav .mobile-app-header {
    padding-left: 12px;
    padding-right: 12px;
  }

  body.has-mobile-nav .mobile-app-actions {
    gap: 8px;
  }

  body.has-mobile-nav .mobile-app-btn {
    min-width: 40px;
    height: 40px;
    border-radius: 14px;
  }

  body.has-mobile-nav .mobile-app-btn span {
    white-space: nowrap;
  }

  body.has-mobile-nav .mobile-panel {
    border-top-left-radius: 22px;
    border-top-right-radius: 22px;
  }

  body.has-mobile-nav .mobile-search-body {
    padding: 12px 14px 24px;
  }

  body.has-mobile-nav .mobile-search-input-wrapper {
    min-width: 0;
  }

  body.has-mobile-nav .mobile-search-input {
    min-width: 0;
  }

  .auth-page {
    padding: 12px 12px 32px;
    align-items: flex-start;
  }

  .auth-container,
  .auth-container.auth-container--single {
    width: 100%;
    max-width: 100%;
    gap: 14px;
  }

  .auth-card {
    border-radius: 22px;
    padding: 22px 18px;
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.22);
  }

  .auth-card__header {
    margin-bottom: 18px;
  }

  .auth-card__title {
    line-height: 1.15;
  }

  .auth-form-group {
    margin-bottom: 14px;
  }

  .auth-row {
    gap: 10px;
    align-items: flex-start;
    flex-direction: column;
  }

  .auth-social-btns {
    gap: 10px;
  }

  .auth-social-btn {
    min-height: 50px;
  }

  .auth-footer {
    margin-top: 16px;
    text-align: center;
  }

  .auth-app-tip {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-top: 14px;
    padding: 12px 14px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.12), rgba(122, 92, 255, 0.08));
    border: 1px solid rgba(0, 212, 255, 0.18);
    color: var(--text-main, #fff);
  }

  .auth-app-tip__icon {
    flex: 0 0 34px;
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: rgba(0, 212, 255, 0.14);
    color: var(--color-primary, #00d4ff);
  }

  .auth-app-tip__body {
    min-width: 0;
  }

  .auth-app-tip__title {
    display: block;
    margin-bottom: 4px;
    font-size: 13px;
    font-weight: 800;
    color: inherit;
  }

  .auth-app-tip__text {
    display: block;
    font-size: 12px;
    line-height: 1.45;
    color: var(--text-secondary, rgba(255, 255, 255, 0.78));
  }

  .auth-app-tip__link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    font-size: 12px;
    font-weight: 700;
    color: var(--color-primary, #00d4ff);
    text-decoration: none;
  }

  .pay-page {
    padding: 12px 0 28px;
  }

  .pay-page .container {
    padding-left: 12px;
    padding-right: 12px;
  }

  .pay-back-link {
    margin-bottom: 14px;
  }

  .pay-steps {
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 6px;
    margin-bottom: 16px;
    scrollbar-width: none;
  }

  .pay-steps::-webkit-scrollbar {
    display: none;
  }

  .pay-step {
    min-width: 92px;
    flex: 1 0 92px;
  }

  .pay-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .pay-card {
    border-radius: 22px;
  }

  .pay-card__body {
    padding: 18px 16px;
  }

  .pay-method__box {
    padding: 14px;
  }

  .pay-action {
    position: sticky;
    bottom: calc(var(--mobile-nav-height, 64px) + var(--mobile-safe-area-bottom, 0px) + 10px);
    z-index: 6;
    padding: 14px;
    border-radius: 20px;
    background: rgba(10, 12, 16, 0.92);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 16px 42px rgba(0, 0, 0, 0.28);
  }

  .pay-submit {
    min-height: 54px;
    border-radius: 16px;
  }

  .pay-success-card {
    padding: 30px 20px;
    border-radius: 24px;
  }

  .pay-success-title {
    font-size: 24px;
  }

  .pf-page {
    padding: 12px 0 28px;
  }

  .pf-page .container {
    padding-left: 12px;
    padding-right: 12px;
  }

  .pf-user-card,
  .pf-card {
    border-radius: 22px;
  }

  .pf-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .pf-kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .pf-user-card__actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }

  .pf-icon-btn {
    width: 100%;
    min-width: 0;
    justify-content: center;
  }

  .pf-icon-btn__label {
    display: none;
  }

  .pf-content-row {
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-width: none;
  }

  .pf-content-row::-webkit-scrollbar {
    display: none;
  }

  .download-page {
    padding: 24px 14px 28px;
  }

  .download-hero {
    margin-bottom: 28px;
  }

  .download-hero h1 {
    font-size: 1.9rem;
    line-height: 1.15;
  }

  .download-hero p {
    font-size: 0.98rem;
  }

  .download-grid {
    gap: 14px;
    margin-bottom: 28px;
  }

  .download-card {
    border-radius: 22px;
    padding: 24px 18px;
  }

  .download-btn {
    max-width: none;
    min-height: 50px;
  }

  .download-features {
    gap: 12px;
    margin-top: 26px;
  }

  .download-feature {
    padding: 14px 10px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
  }
}

@media (max-width: 479px) {
  body.has-mobile-nav .mobile-app-btn--download span,
  body.has-mobile-nav .mobile-category-text {
    display: none;
  }

  .auth-page {
    padding-left: 10px;
    padding-right: 10px;
  }

  .auth-card {
    padding: 20px 16px;
  }

  .auth-social-btns {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .pay-card__body,
  .pf-card__body {
    padding-left: 14px;
    padding-right: 14px;
  }

  .pf-user-card__actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .download-page {
    padding-left: 10px;
    padding-right: 10px;
  }

  .download-card {
    padding: 22px 16px;
  }
}

@media (max-width: 767px) {
  html[data-theme="light_japan"] .auth-app-tip {
    background: linear-gradient(135deg, rgba(0, 112, 201, 0.08), rgba(96, 122, 255, 0.08));
    border-color: rgba(0, 112, 201, 0.12);
    color: #183153;
  }

  html[data-theme="light_japan"] .auth-app-tip__icon {
    background: rgba(0, 112, 201, 0.1);
    color: #0070c9;
  }

  html[data-theme="light_japan"] .auth-app-tip__text {
    color: rgba(24, 49, 83, 0.78);
  }

  html[data-theme="light_japan"] .pay-action {
    background: rgba(255, 255, 255, 0.94);
    border-color: rgba(24, 49, 83, 0.08);
    box-shadow: 0 16px 36px rgba(24, 49, 83, 0.12);
  }

  html[data-theme="light_japan"] .download-feature {
    background: rgba(24, 49, 83, 0.03);
    border-color: rgba(24, 49, 83, 0.05);
  }
}