/* header-menu-fix-20260520:start */
.site-header {
  overflow-x: clip;
}

@media (min-width: 821px) {
  .site-header .header-inner {
    width: min(1440px, calc(100% - 28px)) !important;
    max-width: none !important;
    display: grid !important;
    grid-template-columns: auto minmax(0, 1fr) auto auto !important;
    align-items: center !important;
    gap: 8px 10px !important;
    padding: 10px 0 !important;
  }

  .site-header .header-inner .brand {
    grid-column: 1 !important;
    min-width: 0 !important;
    margin: 0 !important;
    order: initial !important;
  }

  .site-header .header-inner .global-nav {
    grid-column: 2 !important;
    display: flex !important;
    flex: initial !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
    align-items: center !important;
    width: auto !important;
    max-width: none !important;
    min-width: 0 !important;
    overflow: visible !important;
    overflow-x: visible !important;
    white-space: normal !important;
    gap: 5px 10px !important;
    padding: 0 !important;
    border-top: 0 !important;
    font-size: 13.5px !important;
    order: initial !important;
  }

  .site-header .global-nav a {
    white-space: nowrap !important;
    line-height: 1.35 !important;
  }

  .site-header .header-inner .sister-brand-gpt {
    grid-column: 3 !important;
    margin: 0 !important;
    order: initial !important;
  }

  .site-header .header-inner .sister-brand-chatgpt {
    grid-column: 4 !important;
    margin: 0 !important;
    order: initial !important;
  }

  .site-header .brand-logo {
    width: clamp(170px, 16vw, 220px) !important;
    max-width: 220px !important;
    height: auto !important;
  }

  .site-header .gptguide-brand-logo,
  .site-header .sister-brand-logo {
    width: clamp(88px, 9vw, 124px) !important;
    max-width: 124px !important;
    height: auto !important;
  }
}

@media (min-width: 821px) and (max-width: 1180px) {
  .site-header .header-inner {
    width: min(100%, calc(100% - 18px)) !important;
    gap: 6px 8px !important;
  }

  .site-header .brand-logo {
    width: clamp(145px, 16vw, 175px) !important;
  }

  .site-header .gptguide-brand-logo,
  .site-header .sister-brand-logo {
    width: clamp(76px, 8.5vw, 98px) !important;
  }

  .site-header .header-inner .global-nav {
    gap: 4px 8px !important;
    font-size: 12.5px !important;
  }
}

@media (max-width: 820px) {
  html,
  body {
    max-width: 100% !important;
    overflow-x: hidden !important;
  }

  main {
    width: min(100%, calc(100% - 32px)) !important;
    max-width: calc(100vw - 32px) !important;
  }

  main section,
  .hero,
  .hero-text,
  .hero-visual,
  .code-card,
  .note,
  .content,
  .content-wrap {
    min-width: 0 !important;
    max-width: 100% !important;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  h1,
  h2,
  h3,
  p,
  li,
  .note,
  .code-card {
    overflow-wrap: anywhere !important;
    word-break: break-word !important;
    line-break: anywhere !important;
  }

  h1 {
    font-size: clamp(30px, 9vw, 40px) !important;
    line-height: 1.28 !important;
  }

  .site-header .header-inner {
    width: min(100%, calc(100% - 18px)) !important;
    display: flex !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
    align-items: center !important;
    gap: 8px !important;
    padding: 10px 0 !important;
  }

  .site-header .header-inner .brand {
    flex: 1 1 100% !important;
    text-align: center !important;
    margin: 0 !important;
  }

  .site-header .brand-logo {
    width: clamp(140px, 45vw, 180px) !important;
    max-width: 180px !important;
    height: auto !important;
  }

  .site-header .gptguide-brand-logo,
  .site-header .sister-brand-logo {
    width: clamp(82px, 26vw, 112px) !important;
    max-width: 112px !important;
    height: auto !important;
  }

  .site-header .header-inner .global-nav {
    flex: 1 1 100% !important;
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 7px !important;
    width: 100% !important;
    max-width: 100% !important;
    overflow: visible !important;
    overflow-x: visible !important;
    white-space: normal !important;
    padding: 2px 0 0 !important;
    order: 4 !important;
  }

  .site-header .global-nav a {
    min-width: 0 !important;
    text-align: center !important;
    white-space: normal !important;
    overflow-wrap: anywhere !important;
    font-size: 12.5px !important;
    line-height: 1.35 !important;
  }
}

@media (max-width: 520px) {
  .site-header .header-inner .global-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }

  .site-header .gptguide-brand-logo,
  .site-header .sister-brand-logo {
    width: clamp(78px, 25vw, 104px) !important;
  }
}

.site-footer .footer-logo-row {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 16px !important;
  max-width: 1180px !important;
  width: min(100%, calc(100% - 28px)) !important;
  margin: 0 auto 18px !important;
}

.site-footer .footer-logo-right {
  display: flex !important;
  align-items: center !important;
  justify-content: flex-end !important;
  gap: 12px !important;
  min-width: 0 !important;
}

.site-footer .footer-logo-link {
  display: inline-flex !important;
  align-items: center !important;
  max-width: max-content !important;
  min-width: 0 !important;
}

.site-footer .footer-logo-link img {
  display: block !important;
  height: auto !important;
  max-width: 100% !important;
}

.site-footer .footer-logo-link-main img {
  width: clamp(170px, 20vw, 240px) !important;
  max-width: 240px !important;
}

.site-footer .footer-logo-link-gpt img,
.site-footer .footer-logo-link-sister img {
  width: clamp(100px, 13vw, 160px) !important;
  max-width: 160px !important;
}

@media (max-width: 700px) {
  .site-footer .footer-logo-row {
    flex-direction: column !important;
    justify-content: center !important;
    gap: 12px !important;
  }

  .site-footer .footer-logo-right {
    flex-wrap: wrap !important;
    justify-content: center !important;
  }

  .site-footer .footer-logo-link-main img {
    width: clamp(150px, 48vw, 190px) !important;
  }

  .site-footer .footer-logo-link-gpt img,
  .site-footer .footer-logo-link-sister img {
    width: clamp(96px, 32vw, 132px) !important;
  }
}
/* header-menu-fix-20260520:end */