@import url('https://fonts.googleapis.com/css2?family=Inter+Tight:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;700&family=Zen+Kaku+Gothic+New:wght@400;500;700;900&display=swap');

/* Shared product/news detail styles aligned with the redesigned homepage */
:root {
  --bg-base: #0b0b0c;
  --bg-elevated: #111113;
  --bg-panel: #17171a;
  --line-subtle: rgba(245, 245, 242, .12);
  --line-default: rgba(245, 245, 242, .18);
  --line-strong: rgba(245, 245, 242, .34);
  --ink-primary: #f5f5f2;
  --ink-secondary: rgba(245, 245, 242, .68);
  --ink-tertiary: rgba(245, 245, 242, .42);
  --accent-violet: #8b5cf6;
  --accent-blue: #3b82f6;
  --accent-ice: #c9e4ff;
  --accent-pink: #ffe4f0;
  --font-display: 'Zen Kaku Gothic New', 'Noto Sans JP', sans-serif;
  --font-body: 'Zen Kaku Gothic New', 'Noto Sans JP', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --ease: cubic-bezier(.2, 0, 0, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg-base); }
body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-feature-settings: "palt" 1;
  background:
    radial-gradient(44rem 34rem at 82% 14%, rgba(139, 92, 246, .18), transparent 70%),
    radial-gradient(32rem 28rem at 18% 10%, rgba(201, 228, 255, .08), transparent 72%),
    var(--bg-base);
  color: var(--ink-primary);
  line-height: 1.9;
  letter-spacing: 0;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .22;
  background:
    linear-gradient(rgba(201, 228, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 228, 255, .035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, #000 0%, rgba(0,0,0,.55) 48%, transparent 100%);
}
a { color: inherit; }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1100;
  padding: 1.25rem 0;
  background: rgba(11, 11, 12, .76);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line-subtle);
}
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 2.25rem;
}
.logo-text {
  font-family: 'Inter Tight', var(--font-display);
  font-size: .94rem;
  font-weight: 800;
  letter-spacing: .14em;
  color: #fff;
  text-decoration: none;
  text-transform: uppercase;
}
.logo-text::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin: 0 .28rem .12rem 0;
  border-radius: 999px;
  background: currentColor;
  vertical-align: middle;
}
.navbar-nav { display: flex; gap: 2rem; list-style: none; align-items: center; }
.nav-link {
  font-family: 'Inter Tight', var(--font-display);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.76);
  text-decoration: none;
  transition: color .25s var(--ease);
}
.nav-link:hover { color: #fff; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  min-height: 44px;
  padding: .95rem 1.45rem;
  border: 1px solid rgba(201, 228, 255, .42);
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-blue));
  color: #fff;
  font-family: var(--font-body);
  font-size: .85rem;
  font-weight: 800;
  text-decoration: none;
  line-height: 1.2;
  box-shadow: 0 14px 36px rgba(59, 130, 246, .22);
  transition: transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.btn:hover {
  transform: translateY(-2px);
  border-color: #fff;
  box-shadow: 0 18px 44px rgba(139, 92, 246, .28);
}

.article-header {
  position: relative;
  overflow: hidden;
  padding: 10rem 2rem 5rem !important;
  background: transparent !important;
  border-bottom: 1px solid var(--line-default) !important;
}
.article-header::before {
  content: "";
  position: absolute;
  inset: 12% 0 auto auto;
  width: min(52vw, 680px);
  aspect-ratio: 1;
  opacity: .55;
  pointer-events: none;
  background:
    radial-gradient(circle at 20% 26%, rgba(245, 245, 242, .75) 0 2px, transparent 3px),
    radial-gradient(circle at 58% 18%, rgba(201, 228, 255, .82) 0 2px, transparent 3px),
    radial-gradient(circle at 76% 52%, rgba(139, 92, 246, .82) 0 2px, transparent 3px),
    radial-gradient(circle at 32% 68%, rgba(255, 228, 240, .75) 0 2px, transparent 3px),
    conic-gradient(from 120deg at 54% 52%, transparent 0 18%, rgba(201, 228, 255, .22) 19%, transparent 21% 42%, rgba(139, 92, 246, .2) 43%, transparent 45% 100%);
}
.article-header .container {
  position: relative;
  z-index: 1;
  max-width: 1120px !important;
  margin: 0 auto;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.75rem !important;
  font-family: 'Inter Tight', var(--font-display) !important;
  font-size: .72rem !important;
  font-weight: 700 !important;
  letter-spacing: .16em !important;
  text-transform: uppercase !important;
}
.article-date,
.article-category {
  color: var(--ink-tertiary) !important;
  background: transparent !important;
  padding: 0 !important;
}
.article-header h1 {
  max-width: 980px;
  font-family: var(--font-display) !important;
  font-size: clamp(2.5rem, 6vw, 5.8rem) !important;
  font-weight: 900 !important;
  line-height: 1.04 !important;
  letter-spacing: 0 !important;
  color: var(--ink-primary) !important;
}

.article-hero {
  position: relative;
  padding: 10rem 2rem 5rem;
  border-bottom: 1px solid var(--line-default);
  overflow: hidden;
}
.article-hero::before {
  content: "";
  position: absolute;
  inset: 12% 0 auto auto;
  width: min(52vw, 680px);
  aspect-ratio: 1;
  opacity: .55;
  pointer-events: none;
  background:
    radial-gradient(circle at 20% 26%, rgba(245, 245, 242, .75) 0 2px, transparent 3px),
    radial-gradient(circle at 58% 18%, rgba(201, 228, 255, .82) 0 2px, transparent 3px),
    radial-gradient(circle at 76% 52%, rgba(139, 92, 246, .82) 0 2px, transparent 3px),
    radial-gradient(circle at 32% 68%, rgba(255, 228, 240, .75) 0 2px, transparent 3px),
    conic-gradient(from 120deg at 54% 52%, transparent 0 18%, rgba(201, 228, 255, .22) 19%, transparent 21% 42%, rgba(139, 92, 246, .2) 43%, transparent 45% 100%);
}
.article-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
}
.article-eyebrow,
.article-date {
  font-family: 'Inter Tight', var(--font-display);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-tertiary);
}
.article-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.article-eyebrow::before { content: ""; width: 48px; height: 1px; background: var(--line-strong); }
.article-date { margin-bottom: 1.75rem; }
.article-title {
  max-width: 980px;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5.8rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: 0;
  color: var(--ink-primary);
}
.article-title .en {
  display: block;
  margin-bottom: .85rem;
  font-family: 'Inter Tight', var(--font-display);
  font-size: .62em;
  line-height: 1;
  letter-spacing: 0;
  background: linear-gradient(100deg, #f5f5f2 0%, var(--accent-ice) 42%, var(--accent-pink) 76%, #f5f5f2 100%);
  background-size: 180% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.article-lead {
  max-width: 760px;
  margin-top: 2.25rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line-default);
  font-size: 1.04rem;
  line-height: 2;
  color: var(--ink-secondary);
}

.article-body {
  max-width: 860px;
  margin: 0 auto;
  padding: 5rem 2rem 8rem;
}
.article-body h2 {
  margin: 4rem 0 1.35rem;
  padding-left: 1rem;
  border-left: 2px solid var(--accent-ice);
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.4vw, 2.15rem);
  font-weight: 900;
  line-height: 1.35;
  color: var(--ink-primary);
}
.article-body h2:first-child { margin-top: 0; }
.article-body h3 {
  margin: 2.5rem 0 1rem;
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--accent-ice);
}
.article-body p,
.article-body li,
.article-body td {
  color: var(--ink-secondary);
}
.article-body p {
  margin-bottom: 1.5rem;
  font-size: 1rem;
  line-height: 2;
}
.article-body ul { margin: 1rem 0 1.75rem; padding-left: 0; list-style: none; }
.article-body ul li {
  position: relative;
  padding: .5rem 0 .5rem 1.75rem;
  line-height: 1.9;
}
.article-body ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.2rem;
  width: 8px;
  height: 1px;
  background: var(--accent-ice);
}
.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: .94rem;
}
.spec-table th,
.spec-table td {
  text-align: left;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--line-default);
}
.spec-table th {
  width: 30%;
  vertical-align: top;
  font-family: 'Inter Tight', var(--font-display);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-tertiary);
}
.spec-table td { color: var(--ink-primary); }

.cta-block {
  margin-top: 5rem;
  padding: 3rem;
  border: 1px solid var(--line-default);
  background:
    radial-gradient(circle at 20% 0%, rgba(139, 92, 246, .14), transparent 56%),
    rgba(255, 255, 255, .035);
  text-align: center;
}
.cta-block p { color: var(--ink-secondary); margin-bottom: 1.75rem; }
.back-link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-top: 3rem;
  font-family: 'Inter Tight', var(--font-display);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent-ice);
  text-decoration: none;
}
.back-link:hover { color: #fff; }

.footer {
  background: var(--bg-base);
  padding: 3rem 2rem 2rem;
  border-top: 1px solid var(--line-default);
  text-align: center;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--ink-tertiary);
}

:focus-visible { outline: 2px solid var(--accent-ice); outline-offset: 4px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}
@media (max-width: 760px) {
  .navbar { padding: 0 1.25rem; }
  .navbar-nav { display: none; }
  .article-hero { padding: 8rem 1.25rem 3.5rem; }
  .article-title { font-size: clamp(2.1rem, 12vw, 3.6rem); }
  .article-lead { font-size: .95rem; }
  .article-body { padding: 3.5rem 1.25rem 5rem; }
  .spec-table th,
  .spec-table td { display: block; width: 100%; padding: .9rem 0; }
  .spec-table th { border-bottom: 0; padding-bottom: .2rem; }
  .cta-block { padding: 2rem 1.25rem; }
}