:root {
  --theme: #2369a8;
  --theme-dark: #174f82;
  --theme-deep: #0e3153;
  --theme-light: #f2f7fb;
  --theme-soft: #dbeaf6;
  --theme-accent: #4c90c9;
  --theme-hover: #1d5f99;
  --theme-border: rgba(35, 105, 168, .24);
  --header-bg: #103f68;
  --header-bg-2: #185785;
  --text-main: #1b344a;
  --text-muted: #5c7182;
  --on-theme: #ffffff;
  --on-header: #f7fbff;
  --on-dark: #f7fbff;
  --white: #ffffff;
  --shadow-soft: 0 18px 46px rgba(14, 49, 83, .16);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
}

body {
  background: var(--theme-light);
  color: var(--text-main);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

a {
  color: var(--theme-dark);
}

img {
  display: block;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.container,
.section-inner,
.header-inner,
.footer-inner,
.hero-inner {
  width: min(1280px, calc(100% - 80px));
  margin-left: auto;
  margin-right: auto;
}

.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 9999;
  background: linear-gradient(180deg, var(--header-bg) 0%, var(--header-bg-2) 100%);
  color: var(--on-header);
  box-shadow: var(--shadow-soft);
  border-bottom: 1px solid var(--theme-border);
  overflow: visible;
}

.header-inner {
  min-height: 82px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 22px;
  overflow: visible;
}

.site-logo,
.drawer-logo,
.footer-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  overflow: visible;
}

.site-logo img {
  width: auto;
  height: auto;
  max-width: 180px;
  max-height: 68px;
  object-fit: contain;
}

.main-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
}

.main-nav a {
  color: var(--on-header);
  text-decoration: none;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 700;
  padding: 28px 0 24px;
  border-bottom: 3px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.main-nav a.active,
.main-nav a:hover {
  color: var(--white);
  border-bottom-color: var(--theme-accent);
}

.header-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.main-btn,
.header-login,
.action-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, var(--theme-accent) 0%, var(--theme) 48%, var(--theme-dark) 100%);
  color: var(--on-theme);
  border: 1px solid var(--theme-border);
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
  text-decoration: none;
  white-space: nowrap;
  padding: 12px 19px;
  font-weight: 800;
  transition: transform .2s ease, background .2s ease;
}

.main-btn:hover,
.action-link:hover {
  transform: translateY(-1px);
  background: linear-gradient(180deg, var(--theme) 0%, var(--theme-hover) 100%);
  color: var(--on-theme);
}

.mobile-menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--theme-border);
  background: var(--theme-deep);
  color: var(--on-header);
  border-radius: 14px;
  font-size: 24px;
  cursor: pointer;
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  z-index: 10000;
  background: rgba(14, 49, 83, .56);
  transition: opacity .28s ease, visibility .28s ease;
}

.drawer-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 82%;
  max-width: 320px;
  height: 100vh;
  transform: translateX(-100%);
  transition: transform .28s ease;
  z-index: 10001;
  background: linear-gradient(180deg, var(--header-bg) 0%, var(--theme-deep) 100%);
  color: var(--on-header);
  padding: 18px;
  overflow-y: auto;
}

.mobile-drawer.is-open {
  transform: translateX(0);
}

body.menu-open {
  overflow: hidden;
}

.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--theme-border);
}

.drawer-logo img {
  width: auto;
  height: auto;
  max-width: 150px;
  max-height: 58px;
  object-fit: contain;
}

.drawer-close {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--theme-border);
  background: var(--theme-deep);
  color: var(--on-header);
  font-size: 28px;
  cursor: pointer;
}

.drawer-nav {
  display: grid;
  gap: 6px;
  padding: 18px 0;
}

.drawer-nav a {
  color: var(--on-header);
  text-decoration: none;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-weight: 700;
}

.drawer-nav a.active,
.drawer-nav a:hover {
  background: var(--theme);
  border-color: var(--theme-accent);
  color: var(--on-theme);
}

.section {
  padding: 64px 0;
}

.section.alt {
  background: var(--theme-soft);
}

.section.compact {
  padding: 42px 0;
}

.section-heading {
  max-width: 820px;
  margin: 0 0 32px;
}

.section-kicker,
.page-kicker,
.hero-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 8px 14px;
  background: var(--theme-soft);
  color: var(--theme-dark);
  border: 1px solid var(--theme-border);
  font-weight: 800;
  margin-bottom: 14px;
}

.section-heading h2,
.content-block h2,
.page-copy h2 {
  margin: 0 0 14px;
  color: var(--theme-dark);
  font-size: clamp(28px, 2.6vw, 42px);
  line-height: 1.18;
}

.section-heading p,
.content-block p,
.page-copy p {
  color: var(--text-muted);
  line-height: 1.8;
}

.hero-section {
  padding: 68px 0 48px;
  background:
    radial-gradient(circle at 15% 20%, var(--theme-soft) 0%, transparent 34%),
    linear-gradient(180deg, var(--theme-light) 0%, var(--white) 100%);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
  align-items: center;
  gap: 56px;
  min-height: 520px;
}

.hero-content h1 {
  font-size: clamp(42px, 4.2vw, 64px);
  line-height: 1.08;
  letter-spacing: -.03em;
  margin: 0 0 22px;
  color: var(--theme-dark);
  max-width: 820px;
}

.hero-content p {
  max-width: 760px;
  font-size: 18px;
  line-height: 1.8;
  color: var(--text-main);
  margin: 0 0 28px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-tags span,
.category-pills a,
.tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 9px 14px;
  background: var(--theme-soft);
  color: var(--theme-dark);
  border: 1px solid var(--theme-border);
  font-weight: 700;
}

.hero-visual,
.media-box,
.app-visual,
.card-media {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
}

.hero-media-box,
.page-visual {
  width: min(100%, 540px);
  min-height: 320px;
  max-height: 420px;
  padding: 34px;
  border-radius: 30px;
  background: linear-gradient(180deg, var(--white) 0%, var(--theme-soft) 100%);
  border: 1px solid var(--theme-border);
  box-shadow: var(--shadow-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
}

.hero-media-box img,
.page-visual img,
.media-box img,
.app-visual img,
.card-media img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  opacity: 1;
}

.hero-media-box img {
  max-height: 340px;
}

.info-section {
  padding: 32px 0 48px;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.info-card,
.category-card,
.feature-card,
.zone-card,
.content-card,
.feedback-card,
.faq-item,
.notice,
.visual-card,
.service-point {
  position: relative;
  background: var(--white);
  color: var(--text-main);
  border: 1px solid var(--theme-border);
  box-shadow: var(--shadow-soft);
  border-radius: 24px;
  min-height: auto;
  height: auto;
  padding: 28px;
}

.info-card::before,
.category-card::before,
.feature-card::before,
.zone-card::before,
.content-card::before {
  content: "";
  display: block;
  width: 52px;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--theme), var(--theme-accent));
  margin-bottom: 16px;
}

.info-card .card-number,
.category-card .card-number,
.feature-card .card-number {
  color: var(--theme);
  font-weight: 900;
  letter-spacing: .04em;
}

.info-card h2,
.category-card h3,
.feature-card h3,
.zone-card h3,
.content-card h3,
.feedback-card h3,
.service-point h3 {
  color: var(--theme-dark);
  margin: 10px 0 10px;
  line-height: 1.3;
}

.info-card p,
.category-card p,
.feature-card p,
.zone-card p,
.content-card p,
.feedback-card p,
.service-point p {
  color: var(--text-muted);
  margin: 0;
  line-height: 1.75;
}

.text-link {
  display: inline-flex;
  margin-top: 16px;
  color: var(--theme-dark);
  font-weight: 800;
  text-decoration: none;
  border-bottom: 1px solid var(--theme-border);
}

.text-link:hover {
  color: var(--theme-hover);
}

.category-section {
  padding: 8px 0 46px;
}

.category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.category-pills a {
  background: var(--white);
  text-decoration: none;
}

.category-pills a:hover {
  background: linear-gradient(180deg, var(--theme-accent), var(--theme));
  color: var(--on-theme);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.feature-grid,
.service-grid,
.feedback-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.feedback-grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.split-block,
.page-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr);
  gap: 48px;
  align-items: center;
}

.split-block.reverse .media-box {
  order: -1;
}

.media-box,
.app-visual {
  min-height: 300px;
  padding: 28px;
  border-radius: 28px;
  background: var(--white);
  border: 1px solid var(--theme-border);
  box-shadow: var(--shadow-soft);
}

.media-box img,
.app-visual img {
  max-height: 330px;
}

.check-list,
.detail-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.check-list li,
.detail-list li {
  position: relative;
  padding: 14px 16px 14px 42px;
  border: 1px solid var(--theme-border);
  border-radius: 16px;
  background: var(--white);
  color: var(--text-main);
}

.check-list li::before,
.detail-list li::before {
  content: "•";
  position: absolute;
  left: 18px;
  top: 10px;
  color: var(--theme);
  font-size: 24px;
  line-height: 1;
}

.page-hero {
  padding: 58px 0 42px;
  background: linear-gradient(180deg, var(--theme-light) 0%, var(--theme-soft) 100%);
}

.page-hero-inner {
  min-height: 430px;
}

.page-copy h1 {
  margin: 0 0 20px;
  color: var(--theme-dark);
  font-size: clamp(40px, 4.5vw, 62px);
  line-height: 1.08;
  letter-spacing: -.025em;
}

.page-copy > p {
  font-size: 18px;
  line-height: 1.82;
  margin-bottom: 0;
}

.content-block {
  max-width: 920px;
}

.content-block.wide {
  max-width: none;
}

.content-block p {
  margin: 0 0 18px;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.faq-list {
  display: grid;
  gap: 16px;
}

.faq-item h3 {
  margin: 0 0 10px;
  color: var(--theme-dark);
  font-size: 18px;
}

.faq-item p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.78;
}

.notice {
  background: linear-gradient(180deg, var(--theme-soft) 0%, var(--white) 100%);
  border-left: 5px solid var(--theme);
}

.notice h2,
.notice h3 {
  margin-top: 0;
  color: var(--theme-dark);
}

.related-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.related-nav a {
  display: inline-flex;
  align-items: center;
  padding: 10px 15px;
  border-radius: 999px;
  text-decoration: none;
  background: var(--white);
  color: var(--theme-dark);
  border: 1px solid var(--theme-border);
  font-weight: 800;
}

.related-nav a:hover {
  color: var(--on-theme);
  background: var(--theme);
}

.footer {
  background: linear-gradient(180deg, var(--theme-dark) 0%, var(--theme-deep) 100%);
  color: var(--on-dark);
  padding: 56px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 38px;
}

.footer h2 {
  color: var(--on-dark);
  font-size: 17px;
  margin: 0 0 16px;
}

.footer p {
  color: var(--on-dark);
  opacity: .9;
}

.footer a {
  color: var(--on-dark);
  display: block;
  text-decoration: none;
  margin: 8px 0;
}

.footer a:hover {
  text-decoration: underline;
}

.footer-logo img {
  max-width: 180px;
  max-height: 66px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.footer-notice {
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--theme-border);
}

.footer-notice strong {
  display: block;
  margin-bottom: 8px;
}

@media (min-width: 1440px) {
  .container,
  .section-inner,
  .header-inner,
  .footer-inner,
  .hero-inner {
    width: min(1360px, calc(100% - 120px));
  }

  .hero-inner {
    gap: 72px;
  }
}

@media (max-width: 1180px) and (min-width: 1024px) {
  .main-nav {
    gap: 10px;
  }

  .main-nav a {
    font-size: 12px;
  }

  .site-logo img {
    max-width: 138px;
  }

  .header-actions .main-btn {
    padding: 10px 14px;
    font-size: 13px;
  }
}

@media (max-width: 1023px) {
  .header-inner {
    width: min(100% - 28px, 1280px);
    min-height: 68px;
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr) auto;
    gap: 10px;
  }

  .mobile-menu-toggle {
    display: inline-flex;
  }

  .main-nav {
    display: none;
  }

  .site-logo {
    justify-self: center;
  }

  .site-logo img {
    max-width: min(150px, 42vw);
    max-height: 56px;
  }

  .header-actions {
    justify-self: end;
  }

  .header-actions .main-btn {
    padding: 10px 16px;
  }

  .hero-section {
    padding: 48px 0 36px;
  }

  .hero-inner,
  .page-hero-inner,
  .split-block {
    grid-template-columns: 1fr;
    gap: 32px;
    min-height: 0;
  }

  .split-block.reverse .media-box {
    order: initial;
  }

  .hero-content h1,
  .page-copy h1 {
    font-size: clamp(36px, 9vw, 52px);
  }

  .hero-media-box,
  .page-visual {
    max-width: 100%;
    min-height: auto;
    padding: 24px;
  }

  .hero-media-box img,
  .page-visual img {
    max-height: 300px;
  }

  .info-grid,
  .category-grid,
  .mini-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-grid,
  .service-grid,
  .feedback-grid,
  .feedback-grid.four {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 767px) {
  .container,
  .section-inner,
  .header-inner,
  .footer-inner,
  .hero-inner {
    width: min(100% - 32px, 1280px);
  }

  .section {
    padding: 48px 0;
  }

  .hero-section {
    padding-top: 40px;
  }

  .info-grid,
  .category-grid,
  .feature-grid,
  .service-grid,
  .feedback-grid,
  .feedback-grid.four,
  .content-grid,
  .mini-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-content p,
  .page-copy > p {
    font-size: 17px;
  }

  .hero-media-box {
    max-height: none;
  }

  .category-pills {
    gap: 9px;
  }

  .footer {
    padding-top: 44px;
  }
}

@media (max-width: 390px) {
  .header-inner {
    width: min(100% - 20px, 1280px);
    grid-template-columns: 44px minmax(0, 1fr) auto;
    gap: 8px;
  }

  .site-logo img {
    max-width: min(120px, 36vw);
    max-height: 48px;
  }

  .header-actions .main-btn {
    padding: 8px 12px;
    font-size: 13px;
  }

  .mobile-menu-toggle {
    width: 40px;
    height: 40px;
  }
}

.subsection-gap { margin-top: 36px; }

.hero-section .hero-media-box img[src="logo.webp"] { max-width: 70%; }

/* Homepage banner layout */
.banner-section {
  padding: 34px 0 26px;
  background: linear-gradient(180deg, var(--theme-light) 0%, var(--theme-soft) 100%);
}

.banner-carousel {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 28px;
  background: var(--theme-soft);
  border: 1px solid var(--theme-border);
  box-shadow: var(--shadow-soft);
}

.banner-slide {
  display: none;
  width: 100%;
}

.banner-slide.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.banner-slide img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.banner-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--theme-border);
  border-radius: 50%;
  background: rgba(14, 49, 83, .82);
  color: var(--on-dark);
  font-size: 31px;
  line-height: 1;
  cursor: pointer;
  z-index: 3;
}

.banner-arrow:hover {
  background: var(--theme-dark);
}

.banner-prev {
  left: 18px;
}

.banner-next {
  right: 18px;
}

.banner-dots {
  position: absolute;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(14, 49, 83, .48);
  z-index: 3;
}

.banner-dots button {
  width: 11px;
  height: 11px;
  padding: 0;
  border: 1px solid var(--on-dark);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}

.banner-dots button.active {
  background: var(--theme-accent);
  border-color: var(--theme-accent);
}

.intro-section {
  padding: 34px 0 18px;
  background: var(--theme-light);
}

.intro-card {
  position: relative;
  width: 100%;
  padding: 30px 34px;
  border-radius: 24px;
  background: linear-gradient(180deg, var(--white) 0%, var(--theme-soft) 100%);
  border: 1px solid var(--theme-border);
  box-shadow: var(--shadow-soft);
}

.intro-card::before {
  content: "";
  display: block;
  width: 64px;
  height: 5px;
  margin-bottom: 16px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--theme), var(--theme-accent));
}

.intro-card .card-number {
  color: var(--theme);
  font-weight: 900;
  letter-spacing: .03em;
}

.intro-card h2 {
  margin: 10px 0 12px;
  color: var(--theme-dark);
  font-size: clamp(28px, 2.7vw, 42px);
  line-height: 1.18;
}

.intro-card p {
  margin: 0;
  max-width: 1080px;
  color: var(--text-main);
  line-height: 1.82;
}

.headline-section {
  background: linear-gradient(180deg, var(--theme-light) 0%, var(--white) 100%);
}

.headline-copy {
  max-width: 1040px;
}

.headline-copy h1 {
  margin: 0 0 20px;
  color: var(--theme-dark);
  font-size: clamp(42px, 4.2vw, 64px);
  line-height: 1.08;
  letter-spacing: -.03em;
}

.headline-copy p {
  margin: 0;
  max-width: 980px;
  color: var(--text-main);
  font-size: 18px;
  line-height: 1.8;
}

@media (min-width: 1440px) {
  .banner-section {
    padding-top: 38px;
  }
}

@media (max-width: 767px) {
  .banner-section {
    padding: 22px 0 18px;
  }

  .banner-carousel {
    border-radius: 18px;
  }

  .banner-arrow {
    width: 40px;
    height: 40px;
    font-size: 26px;
  }

  .banner-prev {
    left: 10px;
  }

  .banner-next {
    right: 10px;
  }

  .banner-dots {
    bottom: 10px;
    gap: 7px;
    padding: 6px 8px;
  }

  .banner-dots button {
    width: 9px;
    height: 9px;
  }

  .intro-section {
    padding-top: 26px;
  }

  .intro-card {
    padding: 24px;
    border-radius: 20px;
  }

  .headline-copy h1 {
    font-size: clamp(36px, 9vw, 52px);
  }

  .headline-copy p {
    font-size: 17px;
  }
}

/* MOBILE_FIX_TYPE_A_20260930: restore mobile menu icon + narrow-screen hardening */
@media (max-width: 1023px) {
  html, body { width: 100%; max-width: 100%; overflow-x: clip; }
  .header-inner, .header-inner > *, .hero-inner > *, .page-hero-inner > *, .split > * { min-width: 0; }
  .mobile-menu-toggle {
    display: inline-flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 4px !important;
    width: 44px !important;
    height: 44px !important;
    min-width: 44px !important;
    padding: 8px !important;
    position: relative;
    z-index: 2;
    opacity: 1 !important;
    visibility: visible !important;
    color: var(--on-header, #fff) !important;
    -webkit-appearance: none;
    appearance: none;
  }
  .mobile-menu-toggle span {
    display: block !important;
    flex: 0 0 2px !important;
    width: 24px !important;
    height: 2px !important;
    min-height: 2px !important;
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    border-radius: 3px !important;
    background: var(--on-header, #fff) !important;
    opacity: 1 !important;
    visibility: visible !important;
  }
}
@media (max-width: 390px) {
  .header-inner { width: calc(100% - 16px) !important; gap: 6px !important; }
  .site-logo { min-width: 0; overflow: hidden; }
  .site-logo img { max-width: min(116px, 35vw) !important; }
  .header-actions .main-btn { max-width: 94px; min-width: 0; padding-inline: 8px !important; }
}

/* CHATGPT_MOBILE_HEADER_V4_START */
@media (max-width: 767px) {
  html, body {
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
  }

  .site-header {
    width: 100% !important;
    max-width: 100% !important;
    overflow: visible !important;
  }

  .header-inner {
    display: flex !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    min-height: 64px !important;
    margin: 0 !important;
    padding: 0 10px !important;
    gap: 8px !important;
    box-sizing: border-box !important;
    align-items: center !important;
    justify-content: space-between !important;
  }

  /* Stable hamburger: do not rely on three flex children. */
  .mobile-menu-toggle {
    display: flex !important;
    position: relative !important;
    flex: 0 0 40px !important;
    width: 40px !important;
    min-width: 40px !important;
    max-width: 40px !important;
    height: 40px !important;
    min-height: 40px !important;
    max-height: 40px !important;
    margin: 0 !important;
    padding: 0 !important;
    box-sizing: border-box !important;
    align-items: center !important;
    justify-content: center !important;
    color: var(--on-header, #fff) !important;
    opacity: 1 !important;
    visibility: visible !important;
  }

  .mobile-menu-toggle span {
    display: none !important;
  }

  .mobile-menu-toggle::before {
    content: "" !important;
    display: block !important;
    position: absolute !important;
    left: 50% !important;
    top: 50% !important;
    width: 20px !important;
    height: 2px !important;
    margin-left: -10px !important;
    margin-top: -1px !important;
    border-radius: 2px !important;
    background: currentColor !important;
    box-shadow: 0 -6px 0 currentColor, 0 6px 0 currentColor !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
  }

  .site-logo {
    display: flex !important;
    flex: 1 1 auto !important;
    width: auto !important;
    min-width: 0 !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 0 !important;
    align-items: center !important;
    justify-content: center !important;
    overflow: hidden !important;
    background: transparent !important;
    border: 0 !important;
    box-shadow: none !important;
    border-radius: 0 !important;
  }

  .site-logo img {
    display: block !important;
    width: auto !important;
    height: auto !important;
    max-width: min(112px, 100%) !important;
    max-height: 44px !important;
    margin: 0 auto !important;
    padding: 0 !important;
    object-fit: contain !important;
    background: transparent !important;
    border: 0 !important;
    box-shadow: none !important;
    border-radius: 0 !important;
  }

  .header-actions {
    display: flex !important;
    flex: 0 0 auto !important;
    min-width: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    justify-content: flex-end !important;
  }

  .header-login,
  .header-actions .main-btn {
    display: inline-flex !important;
    flex: 0 0 92px !important;
    width: 92px !important;
    min-width: 92px !important;
    max-width: 92px !important;
    min-height: 38px !important;
    padding: 8px 4px !important;
    margin: 0 !important;
    box-sizing: border-box !important;
    align-items: center !important;
    justify-content: center !important;
    white-space: nowrap !important;
    overflow: visible !important;
    text-overflow: clip !important;
    font-size: 10px !important;
    line-height: 1 !important;
    letter-spacing: 0 !important;
  }

  .drawer-logo,
  .footer-logo {
    background: transparent !important;
    border: 0 !important;
    box-shadow: none !important;
    border-radius: 0 !important;
  }

  .drawer-logo img,
  .footer-logo img {
    background: transparent !important;
    border: 0 !important;
    box-shadow: none !important;
    border-radius: 0 !important;
  }
}

@media (max-width: 359px) {
  .header-inner {
    padding-left: 6px !important;
    padding-right: 6px !important;
    gap: 5px !important;
  }

  .mobile-menu-toggle {
    flex-basis: 38px !important;
    width: 38px !important;
    min-width: 38px !important;
    max-width: 38px !important;
    height: 38px !important;
  }

  .site-logo img {
    max-width: min(102px, 100%) !important;
  }

  .header-login,
  .header-actions .main-btn {
    flex-basis: 84px !important;
    width: 84px !important;
    min-width: 84px !important;
    max-width: 84px !important;
    font-size: 9.5px !important;
  }
}
/* CHATGPT_MOBILE_HEADER_V4_END */