:root {
  --ink: #0e1015;
  --panel: #171a21;
  --panel-hover: #1d2129;
  --line: rgba(238, 241, 244, 0.10);
  --line-strong: rgba(238, 241, 244, 0.22);
  --text: #eef1f4;
  --muted: #8b93a2;
  --muted-dim: #767f8d;
  --signal: #b9ff5c;
  --serif: 'Newsreader', 'Noto Serif JP', serif;
  --sans: 'IBM Plex Sans JP', 'IBM Plex Sans', -apple-system, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { text-wrap: balance; margin: 0; }
p { margin: 0; }
a { color: inherit; }
img { display: block; max-width: 100%; }

.wrap {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

/* ---------- Header ---------- */
.site-header {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.brand strong { color: var(--text); font-weight: 500; }
.header-meta {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--muted-dim);
}

/* ---------- Hero ---------- */
.hero {
  padding: clamp(64px, 12vw, 128px) 0 clamp(48px, 8vw, 88px);
  border-bottom: 1px solid var(--line);
}
.hero-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--signal);
}
.hero-kicker::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--signal);
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-style: italic;
  font-size: clamp(2.2rem, 5.6vw, 4.4rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
  max-width: 16em;
}
.hero-lede {
  margin-top: 28px;
  max-width: 46em;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}
.hero-lede p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.9;
  max-width: 42em;
}
@media (min-width: 860px) {
  .hero-lede { grid-template-columns: minmax(0, 42em) auto; align-items: end; }
}
.hero-stats {
  display: flex;
  gap: clamp(24px, 4vw, 44px);
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}
.hero-stat b {
  display: block;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.7rem;
  font-weight: 400;
  color: var(--text);
}
.hero-stat span {
  display: block;
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-dim);
}

/* ---------- Catalog ---------- */
.catalog { padding: clamp(56px, 9vw, 96px) 0; }
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 36px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.section-head h2 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
}
.section-head .count {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--muted-dim);
  white-space: nowrap;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
@media (min-width: 720px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1080px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 0 26px 26px;
  background: var(--panel);
  text-decoration: none;
  color: inherit;
  transition: background 0.25s ease;
  isolation: isolate;
  overflow: hidden;
}
.card:hover, .card:focus-visible {
  background: var(--panel-hover);
}
.card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--swatch, var(--signal));
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.35s cubic-bezier(.16,1,.3,1);
}
.card:hover::before, .card:focus-visible::before { transform: scaleY(1); }

.card-thumb {
  position: relative;
  aspect-ratio: 900 / 473;
  margin: 0 -26px 22px;
  background: var(--ink);
  overflow: hidden;
}
.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(.16,1,.3,1);
}
.card:hover .card-thumb img, .card:focus-visible .card-thumb img {
  transform: scale(1.04);
}
.card-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, color-mix(in srgb, var(--panel) 88%, transparent) 100%);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}
.card-index {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--muted-dim);
}
.card-swatch {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--swatch, var(--signal));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--swatch, var(--signal)) 20%, transparent);
}

.card-name {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 1.5rem;
  letter-spacing: -0.005em;
  color: var(--text);
}
.card-concept {
  margin-top: 6px;
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.8;
}
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 18px;
}
.card-tags span {
  padding: 3px 8px;
  border: 1px solid var(--line-strong);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
  padding-top: 20px;
}
.card-cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--text);
}
.card-cta svg { width: 12px; height: 12px; transition: transform 0.25s ease; }
.card:hover .card-cta svg { transform: translate(3px, -3px); }
.card-score {
  font-family: var(--mono);
  font-size: 0.66rem;
  color: var(--muted-dim);
}

/* ---------- About ---------- */
.about {
  padding: clamp(56px, 9vw, 96px) 0;
  border-top: 1px solid var(--line);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
@media (min-width: 860px) {
  .about-grid { grid-template-columns: 1fr 1fr; gap: 64px; }
}
.about h2 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.4;
  max-width: 14em;
}
.about-list {
  display: grid;
  gap: 22px;
}
.about-list li {
  list-style: none;
  padding-left: 22px;
  position: relative;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.85;
}
.about-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 12px;
  height: 1px;
  background: var(--signal);
}
.about-list strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
  font-weight: 500;
  font-size: 0.94rem;
}

.notice {
  margin-top: clamp(40px, 6vw, 64px);
  padding: 20px 22px;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  font-size: 0.8rem;
  line-height: 1.9;
  color: var(--muted);
}
.notice strong { color: var(--text); }

/* ---------- Footer ---------- */
.site-footer {
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--muted-dim);
}

:focus-visible {
  outline: 1px solid var(--signal);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}