:root {
  --brand-red: #ff4d57;
  --brand-red-dark: #d73a41;
  --ink: #1f2933;
  --muted: #52606d;
  --bg: #f7f7fa;
  --surface: #ffffff;
  --line: #e4e7eb;
  --radius: 18px;
  --shadow: 0 24px 56px -26px rgba(15, 23, 42, 0.35);
  --glass-shadow: 0 32px 60px -34px rgba(215, 58, 65, 0.5);
  font-family: 'Inter', 'Noto Sans JP', 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: inherit;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
}

a {
  color: var(--brand-red);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

.container {
  width: min(92%, 1080px);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(228, 231, 235, 0.9);
}

.site-header .container {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.9rem;
  padding: 1rem 0.5rem;
}

.site-header nav {
  justify-self: center;
}

.site-header nav ul {
  justify-content: center;
}

.header-language-slot {
  justify-self: end;
  min-width: 8.75rem;
  display: flex;
  justify-content: center;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--brand-red);
  letter-spacing: 0.03em;
}

nav ul {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

nav a {
  color: var(--ink);
  font-weight: 600;
  font-size: 0.95rem;
}


.language-dropdown {
  position: relative;
}

.language-dropdown summary {
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 0;
  padding: 0.45rem 0.75rem;
  border: 1px solid rgba(31, 41, 51, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  user-select: none;
}

.language-dropdown summary::-webkit-details-marker {
  display: none;
}

.language-current-abbr {
  min-width: 2rem;
  text-align: center;
  display: inline-block;
}

.language-dropdown-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 0.45rem);
  min-width: 4.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.35rem;
  border: 1px solid rgba(31, 41, 51, 0.14);
  border-radius: 0.85rem;
  background: #ffffff;
  box-shadow: 0 22px 40px -28px rgba(31, 41, 51, 0.45);
}

.language-dropdown:not([open]) .language-dropdown-menu {
  display: none;
}

.language-dropdown-option {
  display: block;
  text-align: center;
  padding: 0.35rem 0.45rem;
  border-radius: 0.6rem;
  color: var(--ink);
  font-weight: 700;
  font-size: 0.78rem;
  text-decoration: none;
}

.language-dropdown-option:hover,
.language-dropdown-option:focus {
  background: rgba(31, 41, 51, 0.08);
  text-decoration: none;
}

.language-dropdown-option.active {
  background: rgba(255, 77, 87, 0.14);
}

main {
  display: block;
}

.hero {
  padding: clamp(4rem, 10vw, 6.5rem) 0 4rem;
  background: linear-gradient(135deg, rgba(255, 77, 87, 0.12), transparent 70%);
}

.hero-copy {
  padding: clamp(2.25rem, 5vw, 2.85rem);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.trust-note {
  font-weight: 600;
  color: var(--brand-red-dark);
  font-size: 0.95rem;
  letter-spacing: 0.01em;
}

.hero-grid {
  display: grid;
  gap: 3.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
}

.tagline {
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  color: var(--brand-red);
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.5rem, 2rem + 2vw, 3.6rem);
  line-height: 1.1;
  margin: 0 0 1.25rem;
}

.lead {
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 46ch;
}

.actions {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.9rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.btn.primary {
  background: var(--brand-red);
  color: #ffffff;
  box-shadow: 0 20px 40px -24px rgba(255, 77, 87, 0.8);
}

.btn.primary:hover,
.btn.primary:focus {
  transform: translateY(-2px);
  box-shadow: 0 22px 48px -20px rgba(215, 58, 65, 0.4);
}

.btn.secondary {
  border-color: rgba(31, 41, 51, 0.1);
  color: var(--ink);
  background: #ffffff;
}

.browser-badges {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.browser-badges span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  background: rgba(255, 77, 87, 0.08);
  color: var(--brand-red-dark);
  border-radius: 999px;
  font-weight: 600;
}

.hero-visual {
  position: relative;
  overflow: hidden;
}

.hero-visual img,
.feature img,
.tutorial-visuals img,
.two-column img,
.download-card img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: #fefefe;
}

.storefront-illustration {
  transition: transform 0.6s ease, box-shadow 0.6s ease;
  will-change: transform;
}

.storefront-illustration:hover,
.storefront-illustration:focus-visible {
  transform: scale(1.05);
  box-shadow: 0 28px 60px -30px rgba(215, 58, 65, 0.5);
}

.section {
  padding: clamp(3.5rem, 8vw, 5rem) 0;
}

.section h2 {
  font-size: clamp(2rem, 1.7rem + 1vw, 2.6rem);
  margin-bottom: 1rem;
}

.reviews {
  padding-top: 2rem;
  padding-bottom: 3.5rem;
}

.reviews-marquee {
  overflow: hidden;
  margin-top: 2rem;
}

.reviews-track {
  display: flex;
  gap: 1.5rem;
  width: max-content;
  padding: 0 1.5rem 1.5rem;
  animation: reviews-scroll 45s linear infinite;
}

.reviews-track:hover,
.reviews-track:focus-within {
  animation-play-state: paused;
}

.review-card {
  padding: 1rem;
  border-radius: var(--radius);
  min-width: min(320px, 80vw);
  box-shadow: var(--shadow);
  background: var(--surface);
}

.review-card img {
  border-radius: calc(var(--radius) - 6px);
  width: 100%;
  height: auto;
}

@keyframes reviews-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.section-intro {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 60ch;
}

.feature-grid {
  margin-top: 2.5rem;
  display: grid;
  gap: 1.75rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.feature-list {
  margin-top: 3rem;
  display: grid;
  gap: 2rem;
}

.feature-list-heading h3 {
  margin: 0 0 0.5rem;
  font-size: 1.6rem;
}

.feature-list-heading p {
  margin: 0;
  color: var(--muted);
  max-width: 64ch;
}

.feature-list-grid {
  display: grid;
  gap: 1.4rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.feature-item {
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid rgba(228, 231, 235, 0.8);
  box-shadow: var(--shadow);
  background: var(--surface);
  display: grid;
  gap: 0.65rem;
  align-content: start;
}

.feature-item h4 {
  margin: 0;
  font-size: 1.05rem;
}

.feature-item p {
  margin: 0;
  color: var(--muted);
}

.feature-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  background: rgba(255, 77, 87, 0.15);
  color: var(--brand-red-dark);
  box-shadow: 0 16px 26px -20px rgba(215, 58, 65, 0.7);
}

.feature {
  background: var(--surface);
  padding: 1.75rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(228, 231, 235, 0.8);
}

.feature h3 {
  margin-top: 1.2rem;
  margin-bottom: 0.5rem;
}

.feature p {
  color: var(--muted);
}

.highlighted {
  background: #ffffff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.currency-list {
  margin-top: 2rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.currency-list li {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(228, 231, 235, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tutorial-grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: start;
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: step;
}

.steps li {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.75rem;
  border: 1px solid rgba(228, 231, 235, 0.85);
  box-shadow: var(--shadow);
  margin-bottom: 1rem;
}

.steps h3 {
  margin-top: 0;
  color: var(--brand-red-dark);
}

.steps p {
  margin-bottom: 0;
  color: var(--muted);
}

.tutorial-visuals {
  display: grid;
  gap: 1.25rem;
}

.two-column {
  display: grid;
  gap: 2.75rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
}

.about-hero .lead {
  max-width: 70ch;
}

.about-image-placeholder {
  display: grid;
  place-items: center;
  min-height: clamp(220px, 40vw, 360px);
  border-radius: var(--radius);
  border: 2px dashed rgba(82, 96, 109, 0.25);
  background: rgba(255, 255, 255, 0.85);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.75rem;
  font-weight: 600;
  text-align: center;
  padding: 1.5rem;
}

.about-image-placeholder span {
  display: inline-block;
  max-width: 18ch;
}

.checklist {
  padding-left: 1.2rem;
  color: var(--muted);
}

.checklist li {
  margin-bottom: 0.65rem;
}

.cards {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.cards article {
  background: var(--surface);
  padding: 1.75rem;
  border-radius: var(--radius);
  border: 1px solid rgba(228, 231, 235, 0.8);
  box-shadow: var(--shadow);
}

.cards h3 {
  margin-top: 0;
  color: var(--brand-red-dark);
}

.changelog-hero {
  padding: 6rem 0 4rem;
  background: radial-gradient(circle at top, rgba(255, 77, 87, 0.18), transparent 55%);
}

.changelog-meta {
  margin-top: 2.25rem;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  padding: 1.75rem;
}

.changelog-meta .meta-title {
  font-weight: 600;
  margin: 0 0 0.35rem;
}

.changelog-meta .meta-body {
  margin: 0;
  color: var(--muted);
}

.changelog-grid {
  display: grid;
  gap: 1.75rem;
}

.changelog-card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid rgba(228, 231, 235, 0.85);
  box-shadow: var(--shadow);
  padding: 1.75rem;
  position: relative;
}

.changelog-card::before {
  content: "";
  position: absolute;
  left: -0.75rem;
  top: 2rem;
  width: 0.35rem;
  height: calc(100% - 4rem);
  background: rgba(255, 77, 87, 0.25);
  border-radius: 999px;
}

.changelog-card-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem 1.5rem;
  margin-bottom: 1rem;
}

.changelog-version {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background: rgba(255, 77, 87, 0.12);
  color: var(--brand-red-dark);
  font-weight: 600;
  font-size: 0.9rem;
}

.changelog-card h2 {
  margin: 0;
  font-size: 1.4rem;
  color: var(--brand-red-dark);
}

.changelog-list {
  list-style: none;
  padding: 0;
  margin: 0;
  color: var(--muted);
  display: grid;
  gap: 0.6rem;
}

.changelog-list li {
  display: grid;
  grid-template-columns: 1rem 1fr;
  gap: 0.6rem;
}

.changelog-list li::before {
  content: "•";
  color: var(--brand-red);
  font-weight: 700;
}

.faq {
  display: grid;
  gap: 1rem;
}

.faq details {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid rgba(228, 231, 235, 0.9);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow);
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
}

.cta {
  text-align: center;
}

.cta p {
  color: var(--muted);
  max-width: 60ch;
  margin: 0.75rem auto 2rem;
}

.site-footer {
  background: #ffffff;
  border-top: 1px solid var(--line);
  padding: 3rem 0 2rem;
}

.footer-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.site-footer .logo {
  font-size: 1.15rem;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  background: rgba(255, 77, 87, 0.12);
  color: var(--brand-red-dark);
  font-weight: 600;
  font-size: 0.9rem;
}

.social-links a:hover,
.social-links a:focus {
  background: rgba(255, 77, 87, 0.18);
}

.footer-note,
.site-footer p {
  color: var(--muted);
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.9rem;
}

.download-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  margin-top: 2.5rem;
}

.download-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.75rem;
  border: 1px solid rgba(228, 231, 235, 0.85);
  box-shadow: var(--shadow);
  display: grid;
  gap: 1.1rem;
}

.download-card h3 {
  margin: 0;
  color: var(--brand-red-dark);
}

.download-card p {
  margin: 0;
  color: var(--muted);
}

.download-card .btn {
  width: fit-content;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  background: rgba(255, 77, 87, 0.1);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--brand-red-dark);
}

.glass-accent {
  background: linear-gradient(135deg, rgba(255, 77, 87, 0.22), rgba(255, 255, 255, 0.72));
  border: 1px solid rgba(255, 77, 87, 0.35);
  box-shadow: var(--glass-shadow);
  position: relative;
  overflow: hidden;
}

.glass-accent::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.65), rgba(255, 255, 255, 0));
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0.85;
}

.glass-accent > * {
  position: relative;
  z-index: 1;
}

.legal-page .site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid rgba(209, 67, 67, 0.2);
}

.legal-page main.section {
  padding-top: 8rem;
  padding-bottom: 6rem;
}

.legal-page .container.legal {
  max-width: 760px;
  margin: 0 auto;
  line-height: 1.7;
  gap: 1.5rem;
}

.legal-page .container.legal h1,
.legal-page .container.legal h2 {
  font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 600;
}

.legal-page .container.legal ul {
  padding-left: 1.25rem;
}

.legal-page .container.legal li {
  margin-bottom: 0.5rem;
}

.legal-page .footer-bottom {
  justify-content: space-between;
  gap: 1.5rem;
}

.guide-hero {
  padding: clamp(4rem, 9vw, 6rem) 0 3rem;
  background: linear-gradient(135deg, rgba(255, 77, 87, 0.12), rgba(255, 77, 87, 0.02));
}

.guide-index .guide-outline {
  margin: 1.5rem 0 0;
  padding-left: 1.5rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.guide-index ol ol {
  margin-top: 0.5rem;
  padding-left: 1.25rem;
  font-size: 0.95rem;
}

.guide-index a {
  color: var(--brand-red-dark);
  font-weight: 600;
}

.guide-section {
  background: #ffffff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.guide-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  background: rgba(255, 77, 87, 0.1);
  border-radius: 999px;
  font-weight: 600;
  color: var(--brand-red-dark);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.75rem;
}

.guide-section p {
  max-width: 68ch;
  color: var(--muted);
}

.guide-subsection {
  margin-top: 3rem;
}

.guide-subsection h3 {
  margin-bottom: 0.75rem;
}

.guide-image-placeholder {
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  padding: 3rem 1rem;
  border-radius: var(--radius);
  border: 1px dashed rgba(31, 41, 51, 0.25);
  background: repeating-linear-gradient(
    135deg,
    rgba(255, 77, 87, 0.08),
    rgba(255, 77, 87, 0.08) 10px,
    rgba(255, 255, 255, 0.4) 10px,
    rgba(255, 255, 255, 0.4) 20px
  );
  text-align: center;
  font-weight: 600;
  color: var(--brand-red-dark);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.guide-image {
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  border-radius: var(--radius);
  border: 1px solid rgba(31, 41, 51, 0.08);
  box-shadow: 0 18px 40px -28px rgba(31, 41, 51, 0.45);
  background: #ffffff;
}

.guide-example {
  margin-top: 1.5rem;
  padding: 1.5rem;
  border: 1px solid rgba(31, 41, 51, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 18px 32px -24px rgba(31, 41, 51, 0.35);
  display: grid;
  gap: 1.25rem;
}

.guide-live-preview {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.5rem;
  border: 2px solid rgba(255, 77, 87, 0.6);
  border-radius: calc(var(--radius) - 6px);
  background: #ffffff;
  box-shadow: 0 16px 32px -24px rgba(255, 77, 87, 0.55);
}

.guide-live-indicator {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--brand-red);
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  box-shadow: 0 14px 26px -18px rgba(255, 77, 87, 0.7);
}

.guide-example .price-display {
  font-size: clamp(1.75rem, 2vw + 1rem, 2.4rem);
  font-weight: 700;
  color: var(--text-primary);
}

.guide-example fieldset {
  border: 1px solid rgba(31, 41, 51, 0.1);
  border-radius: var(--radius-sm);
  padding: 1rem;
  display: grid;
  gap: 0.65rem;
}

.guide-example legend {
  padding: 0 0.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.guide-example label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.guide-example input[type="checkbox"],
.guide-example input[type="radio"] {
  width: 1.05rem;
  height: 1.05rem;
  accent-color: var(--brand-red);
}

.guide-example .price-tag-option {
  position: relative;
  display: block;
  cursor: pointer;
  gap: 0;
  color: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.guide-example .price-tag-grid {
  border: none;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.guide-example .price-tag-option input[type="radio"] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
}

.guide-example .price-tag-option .price-tag-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.85rem 1.25rem;
  border-radius: 16px 16px 16px 4px;
  border: 2px solid rgba(31, 41, 51, 0.14);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(247, 247, 250, 0.95));
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
  box-shadow: 0 16px 28px -26px rgba(31, 41, 51, 0.45);
}

.guide-example .price-tag-option input[type="radio"]:checked + .price-tag-visual {
  background: linear-gradient(135deg, rgba(255, 77, 87, 0.95), rgba(255, 107, 116, 0.95));
  border-color: rgba(255, 77, 87, 0.8);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 22px 44px -24px rgba(255, 77, 87, 0.7);
}

.guide-example .price-tag-option input[type="radio"]:focus-visible + .price-tag-visual {
  outline: 3px solid rgba(255, 77, 87, 0.45);
  outline-offset: 3px;
}

.guide-example .price-tag-option:hover .price-tag-visual {
  border-color: rgba(255, 77, 87, 0.45);
  transform: translateY(-1px);
}

@supports ((backdrop-filter: blur(18px)) or (-webkit-backdrop-filter: blur(18px))) {
  .glass-accent {
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    background: linear-gradient(135deg, rgba(255, 77, 87, 0.24), rgba(255, 255, 255, 0.28));
  }
}

@media (max-width: 640px) {
  nav {
    display: none;
  }

  .site-header .container {
    grid-template-columns: 1fr auto;
    gap: 0.5rem;
  }

  .site-header nav {
    display: none;
  }

  .header-language-slot {
    min-width: auto;
  }

  .language-dropdown summary {
    padding: 0.32rem 0.5rem;
    font-size: 0.72rem;
  }

  .language-dropdown-menu {
    min-width: 4.2rem;
  }

  .actions {
    width: 100%;
  }

  .btn {
    flex: 1 1 auto;
    justify-content: center;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}