:root {
  --ink: #20344a;
  --amber: #e3a33a;
  --ivory: #f7f5f0;
  --paper: #fffdf8;
  --line: rgba(32, 52, 74, 0.18);
  --muted: #657180;
  --header-height: 4.35rem;
  --page-padding: clamp(1.25rem, 4vw, 4.5rem);
  --content-width: 78rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  scroll-snap-type: y mandatory;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--ivory);
  font-family: Inter, "Segoe UI", "Noto Sans", "Noto Sans JP", "Noto Sans SC", sans-serif;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.65rem 0.9rem;
  background: var(--ink);
  color: var(--ivory);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  border-bottom: 1px solid transparent;
  background: var(--ivory);
  transition: border-color 180ms ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
}

.header-inner,
.footer-inner,
.section-inner {
  width: min(100%, var(--content-width));
  margin-inline: auto;
  padding-inline: var(--page-padding);
}

.header-inner {
  min-height: var(--header-height);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 4rem);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: clamp(8.25rem, 13vw, 10.25rem);
}

.brand img {
  display: block;
  width: 100%;
  height: auto;
}

.primary-nav {
  display: flex;
  align-items: stretch;
  align-self: stretch;
  gap: clamp(1.25rem, 3vw, 2.75rem);
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.nav-link::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: var(--amber);
  content: "";
  transform: scaleX(0);
  transition: transform 180ms ease;
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.is-active {
  color: var(--ink);
}

.nav-link.is-active::after {
  transform: scaleX(1);
}

.language-switcher {
  position: relative;
}

.language-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 2.25rem;
  padding: 0.4rem 0.55rem;
  border: 0;
  color: var(--ink);
  background: transparent;
  font: inherit;
  font-size: 0.74rem;
  font-weight: 600;
  cursor: pointer;
}

.language-toggle svg {
  width: 1.15rem;
  height: 1.15rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.35;
}

.language-menu {
  position: absolute;
  top: calc(100% + 0.45rem);
  right: 0;
  z-index: 30;
  min-width: 8.5rem;
  padding: 0.35rem;
  border: 1px solid var(--line);
  background: var(--paper);
}

.language-menu[hidden] {
  display: none;
}

.language-menu button {
  display: block;
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 0;
  color: var(--muted);
  background: transparent;
  font: inherit;
  font-size: 0.8rem;
  text-align: left;
  cursor: pointer;
}

.language-menu button:hover,
.language-menu button:focus-visible,
.language-menu button[aria-current="true"] {
  color: var(--ink);
  background: var(--ivory);
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 5.75rem var(--page-padding) 5rem;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: min(100%, 56rem);
  min-width: 0;
  text-align: center;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 100%;
  margin-bottom: 0;
  font-size: clamp(2.25rem, 5.25vw, 4.75rem);
  font-weight: 650;
  letter-spacing: -0.045em;
  line-height: 1.04;
  text-wrap: balance;
  white-space: normal;
}

.localized-line {
  min-height: 1.6em;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: clamp(0.95rem, 1.7vw, 1.15rem);
  letter-spacing: 0.015em;
}

.localized-line:empty {
  margin-top: 0;
}

.scroll-cue {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
  transform: translateX(-50%);
}

.scroll-cue svg {
  width: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-width: 1.25;
}

.products-section {
  min-height: 100svh;
  border-top: 1px solid var(--line);
  background: var(--paper);
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.section-inner {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: clamp(5rem, 10vw, 9rem);
}

.eyebrow {
  margin-bottom: clamp(2rem, 5vw, 4rem);
  color: var(--amber);
  font-size: 0.86rem;
  font-weight: 750;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.product-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
  padding-bottom: clamp(1.5rem, 3vw, 2.25rem);
  border-bottom: 1px solid var(--ink);
}

h2 {
  margin-bottom: 0;
  font-size: clamp(1.9rem, 4vw, 3.35rem);
  font-weight: 630;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.status {
  flex: none;
  color: var(--muted);
  font-size: clamp(1rem, 1.55vw, 1.25rem);
  font-weight: 600;
  letter-spacing: 0.035em;
}

.site-footer {
  color: var(--ivory);
  background: var(--ink);
}

.footer-inner {
  min-height: 8.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 2rem;
}

.copyright {
  margin: 0;
  color: rgba(247, 245, 240, 0.68);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: clamp(1.1rem, 3vw, 2.25rem);
}

.social-links a {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-decoration: none;
}

.social-links a:hover,
.social-links a:focus-visible {
  color: var(--amber);
}

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 4px;
}

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

@media (max-width: 42rem) {
  :root {
    --header-height: 3.9rem;
  }

  .header-inner {
    min-height: var(--header-height);
    grid-template-columns: auto 1fr auto;
    gap: 0.5rem;
  }

  .brand {
    width: 6rem;
  }

  .primary-nav {
    justify-content: center;
    gap: 0.7rem;
  }

  .nav-link {
    font-size: 0.69rem;
  }

  .language-toggle {
    gap: 0.3rem;
    padding-inline: 0.35rem;
    font-size: 0.68rem;
  }

  .hero {
    padding-top: 5rem;
  }

  h1 {
    width: 100%;
    max-width: 20rem;
    font-size: clamp(2rem, 10vw, 2.5rem);
  }

  .product-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 1.25rem;
  }

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

  .social-links {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}