:root {
  --bg: #efe7db;
  --text: #fff8ef;
  --body: #20242d;
  --muted-body: rgba(32, 36, 45, 0.72);
  --accent: #ff8f5c;
  --accent-strong: #a21010;
  --panel: rgba(255, 255, 255, 0.88);
  --panel-strong: rgba(255, 255, 255, 0.94);
  --border: rgba(32, 36, 45, 0.12);
  --shadow: 0 24px 60px rgba(42, 31, 15, 0.18);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Space Grotesk", sans-serif;
  color: var(--body);
  background:
    radial-gradient(circle at top left, rgba(255, 184, 108, 0.65), transparent 28%),
    radial-gradient(circle at bottom right, rgba(255, 111, 60, 0.18), transparent 24%),
    linear-gradient(135deg, #f6efdf 0%, #ebdcc2 100%);
}

body {
  min-height: 100vh;
}

button,
input {
  font: inherit;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.landing-shell {
  min-height: 100vh;
  padding: 1rem;
}

.landing-page {
  position: relative;
  min-height: calc(100vh - 2rem);
  max-width: 1440px;
  margin: 0 auto;
  padding: 1rem 1rem 2.5rem;
}

.landing-topbar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 1rem;
}

.language-picker {
  display: flex;
  align-items: center;
  justify-content: center;
}

.language-dropdown {
  position: relative;
  width: 3rem;
  height: 3rem;
}

.language-dropdown-button,
.language-option-button {
  width: 3rem;
  height: 3rem;
  padding: 0;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.08)),
    rgba(8, 10, 14, 0.32);
  color: #fff8ef;
  cursor: pointer;
}

.language-dropdown-menu {
  position: absolute;
  top: calc(100% + 0.45rem);
  left: 50%;
  transform: translateX(-50%);
  display: grid;
  gap: 0.45rem;
  padding: 0.5rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(20, 23, 29, 0.95);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.25);
}

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

.language-option-button.active {
  outline: 2px solid rgba(255, 143, 92, 0.85);
  outline-offset: 2px;
}

.language-flag-icon {
  width: 2rem;
  height: 2rem;
  display: inline-block;
  border-radius: 999px;
  background-size: cover;
  background-position: center;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.26);
}

.flag-en {
  background:
    linear-gradient(90deg, transparent 0 39%, #c8102e 39% 61%, transparent 61%),
    linear-gradient(transparent 0 39%, #c8102e 39% 61%, transparent 61%),
    linear-gradient(90deg, transparent 0 32%, #ffffff 32% 68%, transparent 68%),
    linear-gradient(transparent 0 32%, #ffffff 32% 68%, transparent 68%),
    linear-gradient(35deg, transparent 0 42%, #c8102e 42% 50%, transparent 50% 100%),
    linear-gradient(-35deg, transparent 0 42%, #c8102e 42% 50%, transparent 50% 100%),
    linear-gradient(35deg, transparent 0 36%, #ffffff 36% 56%, transparent 56% 100%),
    linear-gradient(-35deg, transparent 0 36%, #ffffff 36% 56%, transparent 56% 100%),
    #012169;
}

.flag-ja {
  background:
    radial-gradient(circle at center, #bc002d 0 32%, transparent 33%),
    #ffffff;
}

.flag-fr {
  background:
    linear-gradient(90deg, #0055a4 0 33%, #ffffff 33% 66%, #ef4135 66% 100%);
}

.hero {
  display: grid;
  gap: 1.2rem;
  justify-items: center;
  text-align: center;
  margin: 0 auto 2rem;
}

.brand-lockup {
  display: grid;
  gap: 0.85rem;
  justify-items: center;
}

.brand-mark {
  width: min(180px, 28vw);
  max-width: 180px;
  filter: drop-shadow(0 18px 36px rgba(32, 36, 45, 0.16));
}

.brand-title {
  font-size: clamp(2.2rem, 5vw, 4rem);
  letter-spacing: -0.04em;
}

.hero-copy-card {
  width: min(980px, 100%);
  padding: 1rem 1.2rem;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-copy-title {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.hero-copy-body {
  color: var(--muted-body);
  line-height: 1.7;
  white-space: pre-line;
}

.landing-search-form {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  width: min(980px, 100%);
  padding: 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel-strong);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

#landingSearchInput {
  flex: 1;
  min-width: 0;
  padding: 0.7rem 0.95rem;
  border: 1px solid rgba(32, 36, 45, 0.14);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--body);
  font-size: 1rem;
  box-shadow: 0 10px 28px rgba(32, 36, 45, 0.1);
}

#landingSearchInput::placeholder {
  color: rgba(32, 36, 45, 0.55);
}

.landing-go-button {
  min-width: 5rem;
  padding: 0.7rem 1rem;
  border: none;
  border-radius: 16px;
  background: #20242d;
  color: #fff8ef;
  cursor: pointer;
}

.landing-help {
  display: grid;
  gap: 1rem;
}

.landing-top-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
}

.landing-card {
  display: grid;
  gap: 0.75rem;
  align-content: start;
  padding: 0.9rem;
  border-radius: 22px;
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.landing-card-title {
  font-size: 1rem;
}

.landing-copy {
  color: var(--muted-body);
  line-height: 1.65;
  white-space: pre-line;
}

.landing-auto-zone-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 0.95fr);
  gap: 0.85rem;
  align-items: center;
}

.landing-help-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.help-media-placeholder {
  min-height: 172px;
  display: grid;
  place-items: center;
  position: relative;
  overflow: visible;
  border: 1px dashed rgba(32, 36, 45, 0.14);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.35);
  color: rgba(32, 36, 45, 0.58);
  font-size: 0.86rem;
  text-align: center;
  padding: 1rem;
  cursor: pointer;
}

.landing-top-grid .help-media-placeholder {
  min-height: 128px;
  padding: 0.55rem;
}

.landing-top-grid .help-media-image {
  width: auto;
  max-width: 100%;
  max-height: 120px;
  justify-self: center;
}

.help-media-image {
  display: block;
  width: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 12px;
  opacity: 0;
}

.help-media-fallback {
  display: block;
}

.help-media-placeholder.has-media {
  padding: 0.35rem;
  border-style: solid;
}

.help-media-placeholder.has-media .help-media-image {
  opacity: 1;
}

.help-media-placeholder.has-media .help-media-fallback {
  display: none;
}

.help-media-preview {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  cursor: zoom-out;
}

.help-media-preview[hidden] {
  display: none;
}

.help-media-preview::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(12, 14, 18, 0.18);
}

.help-media-preview-image {
  position: relative;
  display: block;
  max-width: min(88vw, 1180px);
  max-height: min(88vh, 900px);
  width: auto;
  height: auto;
  border-radius: 18px;
  background: rgba(20, 23, 29, 0.94);
  padding: 0.4rem;
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.42);
}

.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;
}

@media (max-width: 1600px), (max-height: 1100px) {
  .landing-page {
    max-width: 1180px;
  }

  .landing-search-form {
    width: min(900px, 100%);
    padding: 0.68rem;
  }

  #landingSearchInput {
    padding: 0.6rem 0.82rem;
    font-size: 0.95rem;
  }

  .landing-go-button {
    min-width: 4.3rem;
    padding: 0.6rem 0.85rem;
    font-size: 0.9rem;
  }

  .landing-help-grid {
    gap: 0.8rem;
  }

  .landing-card {
    padding: 0.72rem;
  }

  .landing-copy {
    font-size: 0.9rem;
    line-height: 1.48;
  }

  .help-media-placeholder {
    min-height: 108px;
  }

  .help-media-image {
    width: auto;
    max-width: 100%;
    max-height: 96px;
    justify-self: center;
  }

  .landing-top-grid .help-media-placeholder {
    min-height: 92px;
  }

  .landing-top-grid .help-media-image {
    max-height: 82px;
  }
}

@media (max-width: 560px) {
  .landing-shell {
    padding: 0.8rem;
  }

  .landing-page {
    min-height: calc(100vh - 1.6rem);
    padding: 0.2rem 0.1rem 1.2rem;
  }

  .landing-topbar {
    margin-bottom: 0.8rem;
  }

  .hero {
    gap: 0.9rem;
    margin-bottom: 1.1rem;
  }

  .brand-mark {
    width: min(144px, 36vw);
  }

  .hero-copy-card,
  .landing-card {
    padding: 0.8rem;
  }

  .landing-search-form {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.5rem;
    border-radius: 28px;
    padding: 0.7rem;
  }

  #landingSearchInput {
    grid-column: 1 / -1;
    width: 100%;
  }

  .landing-top-grid,
  .landing-help-grid {
    grid-template-columns: 1fr;
  }

  .landing-auto-zone-layout {
    grid-template-columns: 1fr;
  }

  .landing-help {
    gap: 0.8rem;
  }

  .help-media-placeholder,
  .landing-top-grid .help-media-placeholder {
    min-height: 180px;
  }

  .help-media-image,
  .landing-top-grid .help-media-image {
    max-height: 168px;
  }
}