/* =====================================================
   Leni — cat collar / Brand site
   Palette & typography mirrored from Claude Design v4-final
   ===================================================== */

:root {
  --paper: #FFFFFF;
  --soft:  #FFF8F4;
  --blush: #FCE4E0;
  --warm:  #F9D2D0;
  --sand:  #F5BFC0;
  --petal: #FDEFEC;
  --ink:   #3A2E2A;
  --ink-light: #5A4A45;
  --muted: #B68A8A;
  --rule:  rgba(241,150,162,0.18);
  --line:  rgba(58,46,42,0.10);
  --accent:#F196A2;
  --thread:#E89AA0;
  --bordeaux:#8B4548;

  --font-jp: 'Noto Serif JP', 'Shippori Mincho', serif;
  --font-en: 'Cormorant Garamond', 'EB Garamond', serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --max-width: 1280px;
  --section-padding-x: 80px;
  --section-padding-y: 100px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-jp);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* =====================================================
   HEADER
   ===================================================== */
.site-header {
  padding: 32px 56px 22px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.header-meta {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
}
.header-tag {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 14px;
  color: var(--muted);
  letter-spacing: 0.06em;
}
.logo-link {
  display: block;
  text-align: center;
  margin-top: 14px;
}
.site-logo {
  width: 140px;
  height: auto;
  margin: 0 auto;
}
.site-nav {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 14px;
  flex-wrap: wrap;
}
.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 4px 6px;
  color: var(--ink);
  position: relative;
  transition: color .2s;
}
.nav-item:hover { color: var(--accent); }
.nav-item.is-active { color: var(--accent); }
.nav-item.is-active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  width: 16px;
  height: 1px;
  background: var(--accent);
}
.nav-en {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 17px;
}
.nav-jp {
  font-family: var(--font-jp);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.18em;
}

/* =====================================================
   SECTIONS — common
   ===================================================== */
.section {
  position: relative;
  padding: var(--section-padding-y) var(--section-padding-x);
  max-width: var(--max-width);
  margin: 0 auto;
}
.ribbon {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}
.ribbon-arc { transform: scaleX(-1); }
.section > *:not(.ribbon) {
  position: relative;
  z-index: 1;
}

.section-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
}
.title-en {
  font-family: var(--font-en);
  font-style: italic;
  font-weight: 500;
  font-size: 48px;
  color: var(--accent);
  line-height: 1;
  letter-spacing: 0.01em;
}
.title-jp {
  font-family: var(--font-jp);
  font-size: 14px;
  color: var(--ink);
  letter-spacing: 0.22em;
  font-weight: 500;
  margin-top: 4px;
}

/* =====================================================
   HERO
   ===================================================== */
.section-hero {
  padding: 80px var(--section-padding-x) 96px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 6fr 5fr;
  gap: 56px;
  align-items: center;
  min-height: 480px;
}
.hero-eyebrow {
  font-family: var(--font-jp);
  font-size: 16px;
  color: var(--muted);
  letter-spacing: 0.18em;
  margin: 0 0 18px;
}
.hero-headline {
  font-family: var(--font-jp);
  font-size: 38px;
  line-height: 1.6;
  font-weight: 400;
  margin: 0;
  color: var(--ink-light);
  letter-spacing: 0.04em;
}
.hero-sub {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 19px;
  color: var(--muted);
  line-height: 1.5;
  margin-top: 22px;
}
.cta-row {
  display: flex;
  gap: 14px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 10px;
  font-family: var(--font-en);
  font-size: 16px;
  letter-spacing: 0.04em;
  text-transform: none;
  transition: opacity .2s, transform .2s, background .2s, color .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn-solid {
  background: var(--bordeaux);
  color: var(--paper);
  border: none;
}
.btn-solid:hover {
  background: #6F3739;
}
.btn-ghost {
  background: transparent;
  color: var(--bordeaux);
  border: 1px solid var(--bordeaux);
}
.btn-ghost:hover {
  background: var(--bordeaux);
  color: var(--paper);
}
.hero-image {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(42,37,34,0.12);
}
.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 35% 30%;
}

/* =====================================================
   PROMISES
   ===================================================== */
.section-promises {
  padding: 80px var(--section-padding-x);
}
.promises-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 56px;
}
.promise {
  padding: 8px 28px;
  border-left: 1px solid var(--line);
  text-align: left;
}
.promise:first-child { border-left: none; }
.promise-no {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 13px;
  color: var(--thread);
  letter-spacing: 0.15em;
}
.promise-en {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 24px;
  color: var(--ink);
  margin-top: 14px;
}
.promise-jp {
  font-family: var(--font-jp);
  font-size: 17px;
  font-weight: 500;
  color: var(--ink);
  margin-top: 8px;
}
.promise-rule {
  width: 24px;
  height: 1px;
  background: var(--thread);
  margin: 16px 0;
}
.promise-note {
  font-family: var(--font-jp);
  font-size: 12px;
  line-height: 1.9;
  color: var(--muted);
}

/* =====================================================
   ABOUT
   ===================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  margin-top: 56px;
  align-items: center;
}
.about-headline {
  font-family: var(--font-jp);
  font-size: 30px;
  line-height: 1.7;
  font-weight: 500;
  margin: 0 0 28px;
  color: var(--ink-light);
  letter-spacing: 0.02em;
}
.about-body {
  font-family: var(--font-jp);
  font-size: 14px;
  line-height: 2.2;
  color: var(--ink);
  margin: 0 0 16px;
}
.about-tagline {
  font-family: var(--font-jp);
  font-size: 18px;
  color: var(--thread);
  margin-top: 32px;
  letter-spacing: 0.06em;
  font-weight: 500;
}
.about-image {
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 1 / 1;
}
.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* =====================================================
   MAKER
   ===================================================== */
.maker-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 56px;
  margin-top: 56px;
  align-items: start;
}
.maker-photo {
  border-radius: 50%;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  background: var(--paper);
}
.maker-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.maker-history {
  margin: 28px 0 0;
  background: var(--paper);
  border-radius: 22px;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border: 1px solid var(--rule);
}
.history-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-top: 10px;
  border-top: 1px solid var(--rule);
  margin: 0;
}
.history-row:first-child {
  padding-top: 0;
  border-top: none;
}
.history-row dt {
  font-family: var(--font-jp);
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}
.history-row dd {
  font-family: var(--font-en);
  font-size: 17px;
  font-style: italic;
  color: var(--ink);
  margin: 0;
}
.maker-eyebrow {
  font-family: var(--font-en);
  font-style: italic;
  font-weight: 400;
  font-size: 22px;
  color: var(--thread);
  letter-spacing: 0.04em;
}
.maker-headline {
  font-family: var(--font-jp);
  font-size: 28px;
  line-height: 1.6;
  font-weight: 500;
  margin-top: 16px;
  margin-bottom: 24px;
  color: var(--ink-light);
}
.maker-body {
  font-family: var(--font-jp);
  font-size: 14px;
  line-height: 2.1;
  color: var(--ink);
  margin: 0 0 16px;
}
.craft-card {
  margin-top: 64px;
  background: var(--petal);
  display: grid;
  grid-template-columns: 5fr 7fr;
  align-items: stretch;
  overflow: hidden;
}
.craft-photo {
  width: 100%;
  height: 100%;
  background: #EFE7DA;
}
.craft-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.craft-text {
  padding: 28px 32px;
}
@media (max-width: 720px) {
  .craft-card {
    grid-template-columns: 1fr;
  }
  .craft-photo {
    aspect-ratio: 16 / 10;
  }
}
.craft-en {
  font-family: var(--font-en);
  font-style: italic;
  font-weight: 500;
  font-size: 32px;
  color: var(--accent);
  line-height: 1;
}
.craft-jp {
  font-family: var(--font-jp);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.18em;
  margin-top: 6px;
  margin-bottom: 16px;
}
.craft-body {
  font-family: var(--font-jp);
  font-size: 13.5px;
  line-height: 2;
  margin: 0 0 14px;
}

/* =====================================================
   VOICES (letter style)
   ===================================================== */
.voices-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 28px;
  margin-top: 56px;
}
.voices-feature {
  margin-top: 56px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 56px;
  align-items: center;
  padding: 24px 0;
}
.voices-feature-photo {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  box-shadow: 0 16px 40px rgba(80,60,55,0.12), 0 4px 12px rgba(80,60,55,0.06);
}
.voices-feature-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.voices-feature-panel {
  background: var(--petal);
  padding: 48px 56px;
  border-radius: 16px;
}
.voices-feature-panel p {
  font-family: var(--font-jp);
  font-size: 16px;
  line-height: 2.1;
  color: var(--ink);
  margin: 0;
  letter-spacing: 0.04em;
}
@media (max-width: 880px) {
  .voices-feature {
    grid-template-columns: 1fr;
    gap: 32px;
    justify-items: center;
  }
  .voices-feature-photo { width: 220px; height: 220px; }
  .voices-feature-panel { padding: 32px 28px; text-align: center; }
  .voices-feature-panel p { font-size: 15px; line-height: 1.95; }
}
.voice-card {
  background: #FFFEFB;
  padding: 40px 32px 32px;
  border-radius: 4px;
  box-shadow: 0 12px 28px rgba(80,60,55,0.06), 0 2px 6px rgba(80,60,55,0.04);
  background-image: repeating-linear-gradient(transparent, transparent 31px, var(--line) 31px, var(--line) 32px);
  background-position: 0 8px;
  position: relative;
}
.voice-card::before {
  content: "";
  position: absolute;
  left: 32px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--blush);
  opacity: 0.6;
}
.voice-card p {
  font-family: var(--font-jp);
  font-size: 14.5px;
  line-height: 32px;
  margin: 0;
  color: var(--ink);
  padding-left: 20px;
}
.voice-sign {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 18px;
  color: var(--thread);
  margin-top: 24px;
  padding-left: 20px;
  letter-spacing: 0.04em;
}

/* =====================================================
   WORKS
   ===================================================== */
.works-lead {
  font-family: var(--font-jp);
  font-size: 13.5px;
  line-height: 2;
  color: var(--muted);
  text-align: center;
  max-width: 560px;
  margin: 24px auto 0;
}
/* Series cards — collapsible with details/summary */
.series-grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 880px;
  margin-left: auto;
  margin-right: auto;
}
.series-card {
  background: transparent;
  border: none;
  border-radius: 0;
  overflow: hidden;
  transition: background .2s;
}
.series-card[open] {
  grid-column: 1 / -1;
}
.series-card[open] .series-summary {
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.series-card[open] .series-info {
  order: -1;
}
.series-card[open] .series-photo-wrap,
.series-card[open] .series-photo,
.series-card[open] .series-photo-carousel {
  width: 560px;
  max-width: 100%;
}
.series-card[open] .series-count {
  display: none;
}
.series-summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 14px 14px 22px;
  transition: background .2s;
}
.series-summary::-webkit-details-marker { display: none; }
.series-summary:hover { background: var(--soft); }
.series-photo-wrap {
  position: relative;
  width: 100%;
}
.series-photo,
.series-photo-carousel {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 16px;
  overflow: hidden;
  background: #EFE7DA;
}
.photo-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--rule);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  color: var(--ink);
  opacity: 0.85;
  transition: opacity .2s, background .2s;
}
.photo-arrow:hover {
  opacity: 1;
  background: rgba(255,255,255,0.95);
}
.photo-arrow.is-disabled {
  opacity: 0.25;
  pointer-events: none;
}
.photo-arrow--left { left: 8px; }
.photo-arrow--right { right: 8px; }
.photo-arrow svg { width: 12px; height: 12px; }
.photo-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 10px;
}
.photo-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--rule);
  transition: background .2s;
}
.photo-dot.is-active {
  background: var(--accent);
}
.series-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.series-photo-carousel {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.series-photo-carousel::-webkit-scrollbar { display: none; }
.series-photo-carousel img {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  object-fit: cover;
  scroll-snap-align: start;
}
.series-info {
  padding: 0 8px;
  text-align: center;
}
.series-name {
  font-family: var(--font-jp);
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: 0.04em;
}
.series-count {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 13px;
  color: var(--muted);
  margin-top: 6px;
  letter-spacing: 0.06em;
}
.series-detail {
  padding: 28px 24px;
  border-top: 1px solid var(--rule);
  margin-top: 4px;
  position: relative;
}
.series-products-wrap {
  position: relative;
}
.scroll-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.95);
  border: 1px solid var(--rule);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  color: var(--ink);
  transition: opacity .2s, transform .2s;
}
.scroll-arrow:hover {
  background: var(--paper);
  transform: translateY(-50%) scale(1.05);
}
.scroll-arrow.is-disabled {
  opacity: 0.3;
  pointer-events: none;
}
.scroll-arrow--left { left: -8px; }
.scroll-arrow--right { right: -8px; }
.scroll-arrow svg {
  width: 18px;
  height: 18px;
}
.series-products.is-grabbing {
  cursor: grabbing;
  user-select: none;
}
.series-products {
  cursor: grab;
}
.series-products {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 4px 4px 14px;
  scrollbar-width: thin;
  scrollbar-color: var(--rule) transparent;
}
.series-products::-webkit-scrollbar {
  height: 6px;
}
.series-products::-webkit-scrollbar-track {
  background: transparent;
}
.series-products::-webkit-scrollbar-thumb {
  background: var(--rule);
  border-radius: 999px;
}
.series-product {
  flex: 0 0 240px;
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  overflow: hidden;
  background: #EFE7DA;
  scroll-snap-align: start;
  transition: transform .2s;
}
.series-product:hover {
  transform: scale(1.02);
}
.series-product img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.series-more {
  display: inline-block;
  margin-top: 24px;
  font-family: var(--font-en);
  font-style: italic;
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 0.04em;
}
.series-more:hover {
  text-decoration: underline;
}

/* =====================================================
   FIND US (旧Contact)
   ===================================================== */
.findus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
  max-width: 880px;
  margin-left: auto;
  margin-right: auto;
}
.findus-card {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 24px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.findus-icon {
  width: 36px;
  height: 36px;
  object-fit: contain;
  margin-bottom: 6px;
}
.findus-icon--bitmap {
  border-radius: 8px;
}
.findus-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(241,150,162,0.12);
  border-color: var(--accent);
}
.findus-label {
  font-family: var(--font-en);
  font-style: italic;
  font-weight: 500;
  font-size: 28px;
  color: var(--accent);
  line-height: 1;
}
.findus-value {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--muted);
  letter-spacing: 0.04em;
  margin-top: 6px;
}

/* =====================================================
   FOOTER
   ===================================================== */
.site-footer {
  padding: 48px var(--section-padding-x) 36px;
  background: var(--paper);
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  max-width: var(--max-width);
  margin: 0 auto;
}
.footer-logo {
  width: 100px;
  height: auto;
}
.footer-tag {
  font-family: var(--font-jp);
  font-size: 11px;
  margin-top: 8px;
  line-height: 1.9;
  color: var(--muted);
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-title {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}
.footer-col > div:not(.footer-title) {
  font-family: var(--font-jp);
  font-size: 12px;
  color: var(--ink);
  opacity: 0.85;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */

/* Tablet */
@media (max-width: 1024px) {
  :root {
    --section-padding-x: 48px;
    --section-padding-y: 80px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-image {
    max-width: 480px;
    margin: 0 auto;
  }
  .promises-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px 0;
  }
  .promise:nth-child(3) { border-left: none; }
  .about-grid,
  .maker-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .voices-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .series-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .site-footer {
    grid-template-columns: 1fr 1fr;
  }
  .title-en {
    font-size: 40px;
  }
}

/* Mobile */
@media (max-width: 640px) {
  :root {
    --section-padding-x: 24px;
    --section-padding-y: 64px;
  }
  .site-header {
    padding: 24px 24px 16px;
  }
  .header-top { font-size: 10px; }
  .header-tag { font-size: 12px; }
  .site-logo { width: 110px; }
  .site-nav { gap: 18px; }
  .nav-en { font-size: 15px; }
  .nav-jp { font-size: 9px; }
  .hero-headline { font-size: 28px; }
  .hero-sub { font-size: 16px; }
  .promises-grid {
    grid-template-columns: 1fr;
  }
  .promise {
    border-left: none;
    border-top: 1px solid var(--line);
    padding: 24px 0;
  }
  .promise:first-child {
    border-top: none;
    padding-top: 0;
  }
  .series-grid {
    grid-template-columns: 1fr;
  }
  .series-product {
    flex: 0 0 200px;
  }
  .site-footer {
    grid-template-columns: 1fr;
    padding: 32px 24px;
  }
  .title-en { font-size: 32px; }
  .about-headline,
  .maker-headline { font-size: 22px; }
  .findus-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .findus-card {
    padding: 22px 20px;
  }
  .findus-label { font-size: 22px; }
}