:root {
  --bg: #fafaf8;
  --bg-soft: #f1f0ec;
  --ink: #141414;
  --muted: #5f5e5a;
  --line: #e2e0d8;
  --card: #ffffff;
  --accent: #1a1a1a;
  --accent-soft: #2c2c2c;
  --jp: #8a877c;
  --band: #1f2421;
  --band-text: #f4f3ef;
  --radius: 12px;
  --font: "Outfit", "Noto Sans JP", system-ui, sans-serif;
  --jp-font: "Noto Sans JP", "Outfit", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

html[data-lang="ja"] body,
html[data-lang="zh"] body,
html[data-lang="ko"] body {
  font-family: var(--jp-font);
}

a {
  color: var(--ink);
}

.wrap {
  width: min(1040px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(250, 250, 248, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 1rem;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  border: 1.5px solid var(--ink);
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  font-weight: 700;
}

.nav {
  display: flex;
  gap: 1.35rem;
  font-size: 0.92rem;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
}

.nav a:hover {
  color: var(--ink);
}

/* Language switcher — EN | 日本語 primary; other langs secondary */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.82rem;
  flex-shrink: 0;
}

.lang-btn {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  padding: 0.3rem 0.45rem;
  border-radius: 6px;
  line-height: 1.2;
}

.lang-btn:hover {
  color: var(--ink);
  background: var(--bg-soft);
}

.lang-btn.is-active,
.lang-btn[aria-pressed="true"] {
  color: var(--ink);
  background: var(--bg-soft);
}

.lang-sep {
  color: var(--line);
  user-select: none;
  font-weight: 400;
}

.lang-more {
  position: relative;
  margin-left: 0.25rem;
}

.lang-more > summary {
  list-style: none;
  cursor: pointer;
  color: var(--jp);
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.3rem 0.4rem;
  border-radius: 6px;
  white-space: nowrap;
}

.lang-more > summary::-webkit-details-marker {
  display: none;
}

.lang-more > summary::after {
  content: " ▾";
  font-size: 0.65rem;
  opacity: 0.7;
}

.lang-more > summary:hover {
  color: var(--ink);
  background: var(--bg-soft);
}

.lang-more[open] > summary {
  color: var(--ink);
}

.lang-more-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 0.35rem);
  min-width: 7.5rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(20, 20, 20, 0.08);
  padding: 0.35rem;
  display: grid;
  gap: 0.15rem;
  z-index: 30;
}

.lang-btn-alt {
  width: 100%;
  text-align: left;
  font-weight: 500;
  font-size: 0.8rem;
}

.hero {
  padding: 5rem 0 4rem;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 1rem;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}

html[data-lang="ja"] .eyebrow,
html[data-lang="zh"] .eyebrow,
html[data-lang="ko"] .eyebrow {
  letter-spacing: 0.08em;
  text-transform: none;
}

.hero h1 {
  margin: 0;
  font-size: clamp(3rem, 8vw, 5rem);
  letter-spacing: -0.04em;
  line-height: 1;
  font-weight: 600;
  font-family: "Outfit", system-ui, sans-serif;
}

.tagline {
  margin: 1.4rem 0 0;
  max-width: 34rem;
  font-size: 1.15rem;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: #fafaf8;
}

.btn-primary:hover {
  background: var(--accent-soft);
}

.btn-ghost {
  border-color: var(--line);
  color: var(--ink);
  background: transparent;
}

.btn-ghost:hover {
  border-color: var(--ink);
}

.section {
  padding: 4rem 0;
}

.section-muted {
  background: var(--bg-soft);
}

.section-head {
  margin-bottom: 1.75rem;
}

.section-head h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  max-width: 38rem;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.category-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.cat-kana {
  font-family: var(--jp-font);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--jp);
  margin-bottom: 0.55rem;
  font-weight: 600;
}

.category-card h3 {
  margin: 0 0 0.55rem;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.category-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.section-band {
  background: var(--band);
  color: var(--band-text);
  padding: 3.25rem 0;
}

.band-inner {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 2rem;
  align-items: center;
}

.section-band h2 {
  margin: 0 0 0.65rem;
  font-size: 1.8rem;
  letter-spacing: -0.02em;
}

.section-band p {
  margin: 0;
  color: rgba(244, 243, 239, 0.78);
  max-width: 34rem;
}

.pill-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.pill-list li {
  border: 1px solid rgba(244, 243, 239, 0.22);
  border-radius: 999px;
  padding: 0.65rem 1rem;
  font-size: 0.92rem;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.9fr;
  gap: 1.5rem;
}

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

.quality-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.quality-card h3 {
  margin: 0 0 0.55rem;
}

.quality-card p {
  margin: 0 0 0.85rem;
}

.quality-card .muted {
  margin: 0;
  font-size: 0.92rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
}

.contact-card {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem;
  text-decoration: none;
  transition: border-color 0.15s ease;
}

.contact-card:hover {
  border-color: var(--ink);
}

.contact-card .label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.contact-card .value {
  font-weight: 600;
  word-break: break-word;
}

.catalog-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-top: 1.5rem;
}

.catalog-links a {
  font-size: 0.95rem;
  color: var(--muted);
}

.catalog-links a:hover {
  color: var(--ink);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.25rem 0 2.75rem;
}

.footer-inner {
  text-align: center;
}

.footer-inner .brand {
  margin: 0 0 0.35rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.footer-inner p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-inner .copy {
  margin-top: 0.65rem !important;
  font-size: 0.82rem;
}

@media (max-width: 860px) {
  .category-grid,
  .about-grid,
  .band-inner,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .header-right {
    gap: 0.75rem;
  }

  .nav {
    gap: 0.9rem;
  }
}

@media (max-width: 560px) {
  .wrap {
    width: min(1040px, calc(100% - 1.5rem));
  }

  .hero {
    padding: 3.5rem 0 3rem;
  }

  .header-inner {
    flex-wrap: wrap;
    min-height: auto;
    padding: 0.75rem 0;
  }

  .header-right {
    width: 100%;
    justify-content: space-between;
  }

  .nav a:first-child {
    display: none;
  }

  .lang-more > summary {
    font-size: 0.68rem;
  }
}