/* ============================================================
   omicro Landing — Design Tokens
   ============================================================ */

:root {
  /* Surface — deep space navy */
  --bg-base: #06080F;
  --bg-layer: #0C0F18;
  --bg-elev: #141826;
  --bg-light: #F4F6FA;
  --bg-light-2: #FFFFFF;

  /* Text */
  --fg-primary: #F2F4FA;
  --fg-secondary: #A6ADBE;
  --fg-muted: #6A7184;
  --fg-on-light: #0A0D14;
  --fg-on-light-2: #4A5061;

  /* Brand — sphere iridescence */
  --brand-primary: #4DE0FF;     /* icy cyan */
  --brand-via: #8E7CFF;         /* violet */
  --brand-secondary: #FFB36B;   /* warm amber */
  --brand-deep: #2D54E0;        /* deep blue */
  --brand-rose: #FF7AA2;
  --brand-emerald: #6FE39A;

  --brand-gradient: linear-gradient(120deg, #4DE0FF 0%, #8E7CFF 50%, #FFB36B 100%);
  --brand-gradient-soft: linear-gradient(120deg, rgba(77, 224, 255, 0.18) 0%, rgba(142, 124, 255, 0.18) 50%, rgba(255, 179, 107, 0.18) 100%);
  --brand-gradient-line: linear-gradient(90deg, transparent, #4DE0FF 30%, #8E7CFF 50%, #FFB36B 70%, transparent);

  /* Border */
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-soft: rgba(255, 255, 255, 0.13);
  --border-strong: rgba(255, 255, 255, 0.24);
  --border-on-light: rgba(10, 13, 20, 0.10);

  /* Shadow */
  --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.30), 0 4px 12px rgba(0, 0, 0, 0.20);
  --shadow-2: 0 2px 4px rgba(0, 0, 0, 0.25), 0 12px 32px rgba(0, 0, 0, 0.30);
  --shadow-3: 0 4px 8px rgba(0, 0, 0, 0.20), 0 24px 64px rgba(0, 0, 0, 0.45);
  --shadow-glow-cyan: 0 0 0 1px rgba(77, 224, 255, 0.18), 0 16px 48px rgba(77, 224, 255, 0.20);

  /* Radius */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-2xl: 36px;

  /* Spacing */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 24px;
  --s-6: 32px;
  --s-7: 48px;
  --s-8: 64px;
  --s-9: 96px;
  --s-10: 128px;

  /* Layout */
  --container-max: 1200px;
  --container-pad: 24px;

  /* Typography */
  --font-display: "Geist", "Zen Kaku Gothic New", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic UI", system-ui, sans-serif;
  --font-sans: "Geist", "Zen Kaku Gothic New", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic UI", system-ui, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --font-serif: "Zen Old Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-inout: cubic-bezier(0.65, 0, 0.35, 1);
}

/* ============================================================
   Reset & Base
   ============================================================ */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-feature-settings: "palt" 1, "ss01" 1, "cv11" 1;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  background: var(--bg-base);
}

body.landing-body {
  background: var(--bg-base);
  color: var(--fg-primary);
  line-height: 1.7;
  overflow-x: hidden;
  font-size: 16px;
  font-feature-settings: "palt" 1;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  background: none;
  border: 0;
  color: inherit;
}

::selection {
  background: rgba(77, 224, 255, 0.32);
  color: #fff;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.10); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.18); }

/* ============================================================
   Typography
   ============================================================ */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  color: var(--fg-primary);
  font-weight: 700;
}

:lang(ja) h1, :lang(ja) h2, :lang(ja) h3 {
  letter-spacing: 0.005em;
  font-feature-settings: "palt" 1;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  background: rgba(255, 255, 255, 0.03);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-secondary);
  font-family: var(--font-display);
}

.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-primary);
  box-shadow: 0 0 8px var(--brand-primary);
}

.section-title {
  font-size: clamp(28px, 4.2vw, 46px);
  font-weight: 700;
  line-height: 1.25;
  margin: 18px 0 16px;
  letter-spacing: -0.02em;
}

:lang(ja) .section-title {
  letter-spacing: 0.005em;
  line-height: 1.4;
}

.section-lead {
  font-size: clamp(16px, 1.4vw, 18px);
  color: var(--fg-secondary);
  line-height: 1.85;
  max-width: 680px;
}

.gradient-text {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

.kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

/* ============================================================
   Navigation
   ============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 16px 0;
  transition: background 0.3s var(--ease-out), backdrop-filter 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(6, 8, 15, 0.72);
  backdrop-filter: saturate(140%) blur(18px);
  -webkit-backdrop-filter: saturate(140%) blur(18px);
  border-bottom-color: var(--border-subtle);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--fg-primary);
}

.nav-brand .sphere-icon,
.footer-brand .sphere-icon {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  filter: drop-shadow(0 4px 12px rgba(77, 224, 255, 0.30));
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13.5px;
  letter-spacing: 0.02em;
  color: var(--fg-secondary);
  transition: color 0.2s var(--ease-out), background 0.2s var(--ease-out);
}

.nav-links a:hover {
  color: var(--fg-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-meta {
  display: flex;
  align-items: center;
  gap: 8px;
}

@media (max-width: 880px) {
  .nav-links { display: none; }
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.01em;
  transition: transform 0.2s var(--ease-out), box-shadow 0.3s var(--ease-out), background 0.3s var(--ease-out);
  position: relative;
  isolation: isolate;
  font-family: var(--font-display);
}

.btn-primary {
  color: #06080F;
  background: linear-gradient(120deg, #4DE0FF 0%, #FFFFFF 50%, #FFB36B 100%);
  background-size: 200% 100%;
  background-position: 0% 50%;
  box-shadow: 0 8px 28px rgba(77, 224, 255, 0.28), 0 0 0 1px rgba(255, 255, 255, 0.20) inset;
}

.btn-primary:hover {
  background-position: 100% 50%;
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(255, 179, 107, 0.30), 0 0 0 1px rgba(255, 255, 255, 0.30) inset;
}

.btn-ghost {
  color: var(--fg-primary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-soft);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

/* ============================================================
   Hero
   ============================================================ */

.hero {
  position: relative;
  padding: 168px 0 80px;
  overflow: hidden;
  isolation: isolate;
}

.hero-mesh {
  position: absolute;
  inset: 0;
  z-index: -2;
  pointer-events: none;
}

.hero-mesh::before,
.hero-mesh::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.55;
}

.hero-mesh::before {
  width: 720px;
  height: 720px;
  background: radial-gradient(circle, #4DE0FF 0%, transparent 60%);
  top: -220px;
  left: -180px;
}

.hero-mesh::after {
  width: 720px;
  height: 720px;
  background: radial-gradient(circle, #FFB36B 0%, transparent 60%);
  top: 180px;
  right: -220px;
  opacity: 0.45;
}

.hero-grain {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.08;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 1px 1px, #fff 1px, transparent 0),
    radial-gradient(circle at 1px 1px, #fff 1px, transparent 0);
  background-size: 3px 3px, 7px 7px;
  background-position: 0 0, 1px 1px;
  mix-blend-mode: overlay;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
}

.hero-eyebrow {
  margin-bottom: 28px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6.5vw, 80px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.035em;
  max-width: 980px;
  margin: 0 auto 24px;
}

:lang(ja) .hero-title {
  line-height: 1.22;
  letter-spacing: 0.01em;
  font-size: clamp(36px, 5.4vw, 70px);
}

.hero-title .accent {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
  padding: 0 0.04em;
}

.hero-sub {
  font-size: clamp(16px, 1.5vw, 19px);
  color: var(--fg-secondary);
  max-width: 660px;
  margin: 0 auto 36px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 48px;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12.5px;
  color: var(--fg-muted);
  margin-bottom: 64px;
  flex-wrap: wrap;
  justify-content: center;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

.hero-meta-divider {
  width: 1px;
  height: 12px;
  background: var(--border-soft);
}

/* Hero stage — sphere */
.hero-stage {
  position: relative;
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
}

.hero-stage::before {
  content: "";
  position: absolute;
  inset: -10% -5% -20% -5%;
  background: radial-gradient(ellipse at 50% 60%, rgba(77, 224, 255, 0.18), transparent 60%);
  filter: blur(40px);
  z-index: -1;
}

.hero-frame {
  position: relative;
  border-radius: var(--r-2xl);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-3);
  aspect-ratio: 16 / 9;
  background: #000;
}

.hero-frame video,
.hero-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(6, 8, 15, 0.55));
  pointer-events: none;
}

.hero-caption {
  position: absolute;
  bottom: 24px;
  left: 24px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.85);
  text-transform: uppercase;
  z-index: 2;
}

.hero-caption .rec {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #FF7AA2;
  box-shadow: 0 0 12px #FF7AA2;
  animation: blink 1.6s var(--ease-inout) infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

@media (max-width: 720px) {
  .hero { padding: 130px 0 48px; }
}

/* ============================================================
   Section base
   ============================================================ */

section.section {
  position: relative;
  padding: var(--s-9) 0;
}

@media (min-width: 960px) {
  section.section {
    padding: var(--s-10) 0;
  }
}

.section-head {
  margin-bottom: 56px;
  max-width: 760px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* ============================================================
   Award marquee
   ============================================================ */

.marquee {
  position: relative;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
  padding: 22px 0;
  overflow: hidden;
}

.marquee-track {
  display: flex;
  gap: 56px;
  white-space: nowrap;
  animation: marquee 40s linear infinite;
  align-items: center;
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--fg-secondary);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.marquee-item .award-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, #FFD27A, #FFB36B);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #06080F;
  font-size: 11px;
  flex-shrink: 0;
}

.marquee-item .marquee-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--brand-primary);
  opacity: 0.5;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================================
   Manifesto
   ============================================================ */

.manifesto {
  position: relative;
}

.manifesto .section-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.4;
  letter-spacing: 0.01em;
}

.manifesto .section-title .em {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.manifesto-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 56px;
}

.manifesto-card {
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  padding: 32px 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0));
  transition: transform 0.25s var(--ease-out), border-color 0.25s var(--ease-out);
}

.manifesto-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-soft);
}

.manifesto-card .num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--fg-muted);
  margin-bottom: 16px;
  display: block;
}

.manifesto-card h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 12px;
}

.manifesto-card p {
  color: var(--fg-secondary);
  font-size: 14.5px;
  line-height: 1.85;
}

@media (max-width: 880px) {
  .manifesto-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Works
   ============================================================ */

.works {
  background:
    radial-gradient(circle at 0% 0%, rgba(77, 224, 255, 0.06), transparent 50%),
    radial-gradient(circle at 100% 100%, rgba(142, 124, 255, 0.06), transparent 50%);
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 20px;
}

.work-card {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  transition: transform 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
  display: flex;
  flex-direction: column;
  grid-column: span 2;
}

.work-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-soft);
}

.work-card.feature {
  grid-column: span 6;
}

.work-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-elev);
}

.work-card.feature .work-thumb {
  aspect-ratio: 21 / 9;
}

.work-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.work-card:hover .work-thumb img {
  transform: scale(1.04);
}

.work-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(6, 8, 15, 0.78));
  pointer-events: none;
}

.work-thumb .work-overlay {
  position: absolute;
  bottom: 18px;
  left: 22px;
  right: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  z-index: 2;
}

.work-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
}

.work-tag.award {
  background: linear-gradient(120deg, rgba(255, 179, 107, 0.30), rgba(255, 122, 162, 0.30));
  border-color: rgba(255, 179, 107, 0.55);
  color: #FFE9CC;
}

.work-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.work-body h3 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.work-card.feature .work-body h3 {
  font-size: 28px;
}

.work-body .meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--fg-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.work-body .meta span:not(:last-child)::after {
  content: "·";
  margin-left: 8px;
  color: var(--border-strong);
}

.work-body p {
  color: var(--fg-secondary);
  font-size: 15px;
  line-height: 1.85;
}

.work-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  padding-top: 8px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--brand-primary);
  letter-spacing: 0.02em;
  transition: gap 0.2s var(--ease-out);
}

.work-link i {
  transition: transform 0.2s var(--ease-out);
}

.work-card:hover .work-link {
  gap: 10px;
}

.work-card:hover .work-link i {
  transform: translateX(2px);
}

@media (max-width: 1100px) {
  .work-card { grid-column: span 3; }
  .work-card.feature { grid-column: span 6; }
}

@media (max-width: 720px) {
  .works-grid { grid-template-columns: 1fr; }
  .work-card,
  .work-card.feature { grid-column: span 1; }
  .work-card.feature .work-thumb { aspect-ratio: 16 / 9; }
}

/* ============================================================
   System / Loop (Sense → Decide → Move)
   ============================================================ */

.loop {
  background:
    radial-gradient(circle at 0% 0%, rgba(77, 224, 255, 0.06), transparent 50%),
    radial-gradient(circle at 100% 100%, rgba(255, 179, 107, 0.06), transparent 50%);
}

.loop-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  position: relative;
}

.loop-card {
  position: relative;
  border-radius: var(--r-xl);
  padding: 32px;
  border: 1px solid var(--border-subtle);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
}

.loop-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-soft);
}

.loop-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(180deg, var(--accent-color, var(--brand-primary)), transparent 65%);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.55;
  pointer-events: none;
}

.loop-card[data-accent="cyan"]   { --accent-color: #4DE0FF; }
.loop-card[data-accent="violet"] { --accent-color: #8E7CFF; }
.loop-card[data-accent="amber"]  { --accent-color: #FFB36B; }

.loop-card .step {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--fg-muted);
  letter-spacing: 0.18em;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.loop-card .step .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-color, var(--brand-primary));
  box-shadow: 0 0 8px var(--accent-color, var(--brand-primary));
}

.loop-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.loop-card p {
  color: var(--fg-secondary);
  font-size: 14.5px;
  line-height: 1.85;
}

.loop-card .stack {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.loop-card .chip {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--fg-secondary);
}

@media (max-width: 880px) {
  .loop-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Spotlight (Boundary Blur cinematic block)
   ============================================================ */

.spotlight {
  position: relative;
  isolation: isolate;
  padding-top: var(--s-9);
  padding-bottom: var(--s-9);
}

.spotlight::before {
  content: "";
  position: absolute;
  top: 8%;
  left: 50%;
  width: 800px;
  height: 800px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(142, 124, 255, 0.18) 0%, transparent 60%);
  filter: blur(60px);
  z-index: -1;
}

.spotlight-grid {
  display: grid;
  grid-template-columns: 1.05fr 1.2fr;
  gap: 64px;
  align-items: center;
}

.spotlight-text .section-title {
  font-size: clamp(32px, 3.6vw, 48px);
  margin-top: 16px;
}

.spotlight-text .accent {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.spotlight-features {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.spotlight-feature {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-size: 15px;
  color: var(--fg-secondary);
  line-height: 1.85;
}

.spotlight-feature .check {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(111, 227, 154, 0.14);
  color: var(--brand-emerald);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  margin-top: 4px;
}

.spotlight-frame {
  position: relative;
  border-radius: var(--r-xl);
  border: 1px solid var(--border-soft);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  overflow: hidden;
  box-shadow: var(--shadow-2), 0 0 0 1px rgba(255, 255, 255, 0.04) inset;
  aspect-ratio: 4 / 3;
}

.spotlight-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--brand-gradient);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.45;
  pointer-events: none;
  z-index: 2;
}

.spotlight-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.spotlight-frame .scan {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background:
    repeating-linear-gradient(0deg, rgba(77, 224, 255, 0.06) 0 2px, transparent 2px 4px);
  mix-blend-mode: screen;
  opacity: 0.5;
}

.spotlight-frame .label {
  position: absolute;
  bottom: 14px;
  left: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.85);
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(6, 8, 15, 0.55);
  border: 1px solid var(--border-soft);
  backdrop-filter: blur(8px);
  text-transform: uppercase;
}

.spotlight-frame .label .ping {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-primary);
  box-shadow: 0 0 8px var(--brand-primary);
}

@media (max-width: 900px) {
  .spotlight-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* ============================================================
   Field log — exhibitions / Maker Faire
   ============================================================ */

.field {
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
}

.field-head {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
}

.field-head .lead {
  max-width: 480px;
  color: var(--fg-secondary);
  line-height: 1.85;
  font-size: 15px;
}

.field-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 48px;
}

.field-stat {
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  padding: 20px;
  background: rgba(255, 255, 255, 0.02);
}

.field-stat .num {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: block;
  margin-bottom: 6px;
}

.field-stat .label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.field-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.field-year {
  border-radius: var(--r-md);
  padding: 18px 20px;
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.25s var(--ease-out), background 0.25s var(--ease-out);
}

.field-year:hover {
  border-color: var(--border-soft);
  background: rgba(255, 255, 255, 0.04);
}

.field-year .y {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--brand-primary);
  margin-bottom: 8px;
  display: block;
}

.field-year .city {
  font-size: 13.5px;
  color: var(--fg-secondary);
  line-height: 1.7;
}

@media (max-width: 720px) {
  .field-stats { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   About strip
   ============================================================ */

.about {
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
  align-items: center;
}

.about-portrait {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  aspect-ratio: 4 / 5;
  box-shadow: var(--shadow-2);
}

.about-portrait::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(6, 8, 15, 0.55));
  pointer-events: none;
}

.about-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.95) contrast(1.05);
}

.about-text h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.about-text .who {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--brand-primary);
  text-transform: uppercase;
  margin-bottom: 14px;
  display: inline-block;
}

.about-text p {
  color: var(--fg-secondary);
  line-height: 1.95;
  font-size: 15px;
  margin-bottom: 24px;
  max-width: 640px;
}

.about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.about-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  background: rgba(255, 255, 255, 0.03);
  font-size: 13px;
  font-family: var(--font-display);
  color: var(--fg-secondary);
  transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out), background 0.2s var(--ease-out), transform 0.2s var(--ease-out);
}

.about-link:hover {
  color: var(--fg-primary);
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-1px);
}

.about-link i { font-size: 13px; }

@media (max-width: 800px) {
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-portrait { max-width: 240px; aspect-ratio: 1 / 1; border-radius: 50%; margin: 0 auto; }
  .about-portrait::after { display: none; }
}

/* ============================================================
   Final CTA
   ============================================================ */

.final-cta {
  position: relative;
  overflow: hidden;
}

.final-cta-card {
  position: relative;
  text-align: center;
  padding: 88px 40px;
  border-radius: var(--r-2xl);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--border-soft);
  isolation: isolate;
  overflow: hidden;
}

.final-cta-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 0%, rgba(77, 224, 255, 0.18), transparent 50%),
    radial-gradient(circle at 70% 100%, rgba(255, 179, 107, 0.18), transparent 50%);
  z-index: -1;
}

.final-cta-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--brand-gradient);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.45;
  pointer-events: none;
}

.final-cta h2 {
  font-family: var(--font-serif);
  font-size: clamp(30px, 4.2vw, 52px);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 18px;
  letter-spacing: 0.005em;
}

.final-cta p {
  font-size: clamp(15px, 1.4vw, 17px);
  color: var(--fg-secondary);
  max-width: 580px;
  margin: 0 auto 32px;
  line-height: 1.85;
}

.final-cta .hero-actions {
  margin: 0 auto;
}

/* ============================================================
   Footer
   ============================================================ */

.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 64px 0 40px;
  color: var(--fg-secondary);
}

.footer .container {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-brand .logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--fg-primary);
}


.footer-brand p {
  font-size: 14px;
  line-height: 1.85;
  max-width: 320px;
}

.footer-section h5 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-primary);
  margin-bottom: 16px;
  font-family: var(--font-display);
}

.footer-section ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-section a {
  font-size: 14px;
  color: var(--fg-secondary);
  transition: color 0.2s var(--ease-out);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-section a:hover {
  color: var(--fg-primary);
}

.footer-bottom {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--fg-muted);
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.footer-bottom .container {
  display: contents;
}

@media (max-width: 900px) {
  .footer .container {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 540px) {
  .footer .container {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   Lang switcher
   ============================================================ */

.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  padding: 3px;
  font-size: 12px;
  font-family: var(--font-display);
}

.lang-toggle button {
  padding: 4px 12px;
  border-radius: 999px;
  color: var(--fg-secondary);
  font-weight: 600;
  letter-spacing: 0.08em;
  transition: background 0.2s var(--ease-out), color 0.2s var(--ease-out);
}

.lang-toggle button.active {
  background: rgba(255, 255, 255, 0.10);
  color: var(--fg-primary);
}

/* ============================================================
   Reveal & motion
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================================
   Device chain — BLE network visualization
   ============================================================ */

.chain-stage {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 14px;
  margin: 56px 0 64px;
  flex-wrap: wrap;
}

.chain-node {
  width: 168px;
  border-radius: var(--r-lg);
  padding: 22px 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015));
  border: 1px solid var(--border-soft);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  position: relative;
  isolation: isolate;
  transition: transform 0.25s var(--ease-out), border-color 0.25s var(--ease-out);
}

.chain-node:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
}

.chain-node::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(180deg, rgba(77, 224, 255, 0.4), transparent 70%);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.6;
}

.chain-node i {
  font-size: 30px;
  color: var(--brand-primary);
  margin-top: 4px;
}

.chain-node .sphere-icon {
  width: 36px;
  height: 36px;
  margin-top: 0;
  filter: drop-shadow(0 4px 10px rgba(77, 224, 255, 0.30));
}

.chain-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--fg-primary);
  font-family: var(--font-display);
  margin-top: 4px;
}

.chain-role {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--fg-muted);
  line-height: 1.5;
}

.chain-line {
  height: 2px;
  flex: 1;
  align-self: center;
  min-width: 40px;
  max-width: 80px;
  background: linear-gradient(90deg, transparent, rgba(77, 224, 255, 0.55) 50%, transparent);
  position: relative;
  border-radius: 2px;
  overflow: hidden;
}

.chain-line::after {
  content: "";
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #4DE0FF;
  top: 50%;
  transform: translateY(-50%);
  box-shadow: 0 0 12px #4DE0FF;
  animation: chainDot 2.4s linear infinite;
}

.chain-line:nth-of-type(2)::after { animation-delay: 0.3s; }
.chain-line:nth-of-type(4)::after { animation-delay: 0.6s; }
.chain-line:nth-of-type(6)::after { animation-delay: 0.9s; }

@keyframes chainDot {
  0% { left: 0; opacity: 0; }
  18% { opacity: 1; }
  82% { opacity: 1; }
  100% { left: 100%; opacity: 0; }
}

@media (max-width: 800px) {
  .chain-stage {
    flex-direction: column;
    align-items: center;
    gap: 4px;
  }
  .chain-node {
    width: 100%;
    max-width: 320px;
    flex-direction: row;
    justify-content: flex-start;
    text-align: left;
    padding: 14px 18px;
    gap: 16px;
  }
  .chain-node i,
  .chain-node .sphere-icon {
    margin: 0;
  }
  .chain-line {
    width: 2px;
    height: 32px;
    min-width: 0;
    max-width: 2px;
    background: linear-gradient(180deg, transparent, rgba(77, 224, 255, 0.55) 50%, transparent);
  }
  .chain-line::after {
    left: 50%;
    transform: translateX(-50%);
    animation: chainDotV 2.4s linear infinite;
  }
  @keyframes chainDotV {
    0% { top: 0; opacity: 0; }
    18% { opacity: 1; }
    82% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
  }
}

/* ============================================================
   omicro decorative motifs — sphere outlines & orbit lines
   (distinct from reminq's geometric/mesh-only visuals)
   ============================================================ */

.orbit-deco {
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
  border: 1px dashed rgba(255, 255, 255, 0.10);
  opacity: 0.7;
  z-index: -1;
}

.orbit-deco::before,
.orbit-deco::after {
  content: "";
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.orbit-deco::after {
  inset: 22%;
  border-color: rgba(77, 224, 255, 0.10);
}

.scan-strip {
  height: 1px;
  background: var(--brand-gradient-line, linear-gradient(90deg, transparent, #4DE0FF 30%, #8E7CFF 50%, #FFB36B 70%, transparent));
  opacity: 0.4;
}

/* ============================================================
   Product feature blocks (replace simple Works grid)
   Substantial alternating sections for each product
   ============================================================ */

.product-feature {
  position: relative;
  padding: var(--s-9) 0;
  isolation: isolate;
  overflow: hidden;
}

.product-feature::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse at 0% 0%, rgba(77, 224, 255, 0.06), transparent 45%),
    radial-gradient(ellipse at 100% 100%, rgba(255, 179, 107, 0.05), transparent 45%);
}

.product-feature .orbit-deco {
  width: 460px;
  height: 460px;
  top: -160px;
  right: -180px;
}

.product-feature.reverse .orbit-deco {
  right: auto;
  left: -180px;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 80px;
  align-items: center;
}

.product-feature.reverse .feature-grid {
  grid-template-columns: 1.05fr 1fr;
}

.product-feature.reverse .feature-text {
  order: 2;
}

.product-feature.reverse .feature-visual {
  order: 1;
}

.feature-text .kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.feature-text .kicker .index-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--brand-primary);
  letter-spacing: 0.08em;
}

.feature-text .kicker .index-sep {
  color: var(--border-strong);
  font-family: var(--font-mono);
}

.feature-text .kicker .index-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.feature-title {
  font-family: var(--font-display);
  font-size: clamp(34px, 4.4vw, 56px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

:lang(ja) .feature-title {
  letter-spacing: 0.005em;
  line-height: 1.35;
}

.feature-tagline {
  font-family: var(--font-serif);
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.7;
  color: var(--fg-primary);
  margin-bottom: 22px;
  max-width: 520px;
}

.feature-body {
  color: var(--fg-secondary);
  font-size: 15.5px;
  line-height: 1.95;
  margin-bottom: 18px;
}

.feature-body + .feature-body {
  margin-top: -6px;
}

.feature-body strong {
  color: var(--fg-primary);
  font-weight: 600;
}

.feature-body code {
  font-family: var(--font-mono);
  font-size: 13.5px;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: #C9E8FF;
}

.feature-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 18px 0 24px;
}

.feature-specs .spec-chip {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--fg-secondary);
}

.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  background: rgba(255, 255, 255, 0.03);
  color: var(--fg-primary);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-display);
  transition: gap 0.2s var(--ease-out), background 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

.feature-link:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-strong);
  gap: 12px;
}

.feature-link i {
  color: var(--brand-primary);
}

.feature-visual {
  position: relative;
}

.feature-frame {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  background: var(--bg-elev);
  box-shadow: var(--shadow-3);
  aspect-ratio: 4 / 3;
}

.feature-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(160deg, rgba(77, 224, 255, 0.45), transparent 55%);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.feature-badge {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: linear-gradient(120deg, rgba(255, 179, 107, 0.22), rgba(255, 122, 162, 0.22));
  border: 1px solid rgba(255, 179, 107, 0.45);
  color: #FFE9CC;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}

.feature-badge i {
  color: #FFD27A;
}

.feature-caption {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-muted);
  letter-spacing: 0.04em;
}

@media (max-width: 960px) {
  .feature-grid,
  .product-feature.reverse .feature-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .product-feature.reverse .feature-text { order: 1; }
  .product-feature.reverse .feature-visual { order: 2; }
}

/* ============================================================
   About section — small portrait, content-led
   ============================================================ */

.about-grid {
  grid-template-columns: 160px 1fr;
  gap: 48px;
  align-items: flex-start;
}

.about-portrait {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--border-soft);
  box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.02), var(--shadow-2);
  position: relative;
  overflow: hidden;
}

.about-portrait::after { display: none; }

.about-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  filter: saturate(0.92) contrast(1.02);
}

@media (max-width: 800px) {
  .about-grid {
    grid-template-columns: 120px 1fr;
    gap: 24px;
  }
  .about-portrait {
    width: 120px;
    height: 120px;
  }
}

/* ============================================================
   Series overview rail (concise list of works)
   ============================================================ */

.series {
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.015), rgba(255, 255, 255, 0));
  padding: var(--s-7) 0;
}

.series-rail {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.series-item {
  padding: 20px 22px;
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: rgba(255, 255, 255, 0.015);
  transition: background 0.2s var(--ease-out);
}

.series-item:last-child { border-right: 0; }

.series-item:hover { background: rgba(255, 255, 255, 0.04); }

.series-item .y {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--fg-muted);
  text-transform: uppercase;
}

.series-item .name {
  font-size: 16px;
  font-weight: 600;
  color: var(--fg-primary);
  letter-spacing: -0.01em;
}

.series-item .role {
  font-size: 12.5px;
  color: var(--fg-secondary);
  line-height: 1.6;
}

@media (max-width: 880px) {
  .series-rail {
    grid-template-columns: 1fr 1fr;
  }
  .series-item:nth-child(2n) { border-right: 0; }
  .series-item { border-bottom: 1px solid var(--border-subtle); }
  .series-item:nth-last-child(-n+2) { border-bottom: 0; }
}

@media (max-width: 540px) {
  .series-rail { grid-template-columns: 1fr; }
  .series-item { border-right: 0; border-bottom: 1px solid var(--border-subtle); }
  .series-item:last-child { border-bottom: 0; }
}

/* ============================================================
   Sphere logo SVG sizing
   ============================================================ */

.sphere-mark {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

/* ============================================================
   Work (project detail) layout
   ============================================================ */

.work-body { background: var(--bg-base); }

.work-header {
  position: relative;
  padding: 144px 0 32px;
  isolation: isolate;
  overflow: hidden;
}

.work-header-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.55;
}

.work-header-bg::before {
  content: "";
  position: absolute;
  width: 720px;
  height: 720px;
  top: -240px;
  left: -200px;
  border-radius: 50%;
  filter: blur(110px);
  background: radial-gradient(circle, #4DE0FF 0%, transparent 60%);
  opacity: 0.4;
}

.work-header-bg::after {
  content: "";
  position: absolute;
  width: 640px;
  height: 640px;
  top: 100px;
  right: -200px;
  border-radius: 50%;
  filter: blur(120px);
  background: radial-gradient(circle, #FFB36B 0%, transparent 60%);
  opacity: 0.3;
}

.work-header-inner {
  max-width: 880px;
}

.work-title {
  font-family: var(--font-display);
  font-size: clamp(34px, 4.6vw, 56px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 16px 0 18px;
}

:lang(ja) .work-title {
  letter-spacing: 0.005em;
  line-height: 1.4;
}

.work-lead {
  font-size: clamp(15.5px, 1.4vw, 18px);
  line-height: 1.85;
  color: var(--fg-secondary);
  max-width: 720px;
  margin-bottom: 22px;
}

.work-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fg-muted);
  flex-wrap: wrap;
}

.work-cover-wrap {
  margin-top: 20px;
}

.work-cover {
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--border-soft);
  aspect-ratio: 16 / 9;
  background: var(--bg-elev);
  box-shadow: var(--shadow-3);
}

.work-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============================================================
   Prose — markdown rendered for work pages
   ============================================================ */

.work-en-notice {
  display: none;
}

html[lang="en"] .work-en-notice {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  max-width: 760px;
  margin: 48px auto -24px;
  padding: 14px 18px;
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
  background: rgba(77, 224, 255, 0.05);
  color: var(--fg-secondary);
  font-size: 14px;
  line-height: 1.6;
}

.work-en-notice i {
  color: var(--brand-primary);
  margin-top: 3px;
  flex-shrink: 0;
}

.work-en-notice-toggle {
  appearance: none;
  background: transparent;
  border: 1px solid var(--brand-primary);
  border-radius: 999px;
  color: var(--brand-primary);
  font: inherit;
  padding: 1px 10px;
  cursor: pointer;
  margin: 0 2px;
}

.work-en-notice-toggle:hover {
  background: rgba(77, 224, 255, 0.12);
}

.work-prose {
  max-width: 760px;
  margin: 56px auto 96px;
  color: var(--fg-secondary);
  font-size: 16px;
  line-height: 1.95;
}

.work-prose > * + * {
  margin-top: 1.4em;
}

.work-prose h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--fg-primary);
  margin-top: 2.4em;
  padding-top: 1.6em;
  border-top: 1px solid var(--border-subtle);
  line-height: 1.4;
}

:lang(ja) .work-prose h2 {
  letter-spacing: 0.005em;
}

.work-prose h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.work-prose h3 {
  font-family: var(--font-display);
  font-size: clamp(18px, 1.8vw, 22px);
  font-weight: 600;
  color: var(--fg-primary);
  margin-top: 2em;
  letter-spacing: -0.005em;
  line-height: 1.45;
}

.work-prose h4 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--fg-primary);
  margin-top: 1.6em;
}

.work-prose p {
  color: var(--fg-secondary);
}

.work-prose strong {
  color: var(--fg-primary);
  font-weight: 600;
}

.work-prose em {
  color: var(--fg-primary);
  font-style: normal;
  font-weight: 500;
}

.work-prose a {
  color: var(--brand-primary);
  text-decoration: underline;
  text-decoration-color: rgba(77, 224, 255, 0.4);
  text-underline-offset: 3px;
  transition: color 0.2s var(--ease-out), text-decoration-color 0.2s var(--ease-out);
}

.work-prose a:hover {
  color: #8FECFF;
  text-decoration-color: #8FECFF;
}

.work-prose ul, .work-prose ol {
  padding-left: 1.6em;
}

.work-prose li {
  margin-top: 0.4em;
  color: var(--fg-secondary);
}

.work-prose li::marker {
  color: var(--brand-primary);
}

.work-prose blockquote {
  border-left: 2px solid var(--brand-primary);
  padding: 4px 0 4px 20px;
  color: var(--fg-secondary);
  font-style: normal;
  background: linear-gradient(90deg, rgba(77, 224, 255, 0.06), transparent 60%);
  border-radius: 4px;
}

.work-prose code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  padding: 1px 6px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: #C9E8FF;
}

.work-prose pre {
  padding: 18px 20px;
  border-radius: var(--r-md);
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  overflow-x: auto;
}

.work-prose pre code {
  padding: 0;
  background: transparent;
  border: 0;
  color: var(--fg-primary);
  font-size: 13.5px;
  line-height: 1.7;
}

.work-prose img {
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-2);
  margin: 1.4em 0;
}

.work-prose iframe {
  width: 100%;
  border-radius: var(--r-lg);
  border: 1px solid var(--border-subtle);
  aspect-ratio: 16 / 9;
}

.work-prose .video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid var(--border-subtle);
  background: #000;
  margin: 1.6em 0;
}

.work-prose .video-container iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 0;
  aspect-ratio: auto;
}

.work-prose hr {
  border: 0;
  height: 1px;
  background: var(--border-subtle);
  margin: 2.4em 0;
}

/* ============================================================
   About page — header, fieldmap, fieldlog (filtered)
   ============================================================ */

.about-body { background: var(--bg-base); }

.about-page-header {
  position: relative;
  padding: 144px 0 32px;
  isolation: isolate;
  overflow: hidden;
}

.about-page-header-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.55;
}

.about-page-header-bg::before {
  content: "";
  position: absolute;
  width: 720px;
  height: 720px;
  top: -240px;
  left: -200px;
  border-radius: 50%;
  filter: blur(110px);
  background: radial-gradient(circle, #4DE0FF 0%, transparent 60%);
  opacity: 0.4;
}

.about-page-header-bg::after {
  content: "";
  position: absolute;
  width: 640px;
  height: 640px;
  top: 100px;
  right: -200px;
  border-radius: 50%;
  filter: blur(120px);
  background: radial-gradient(circle, #FFB36B 0%, transparent 60%);
  opacity: 0.30;
}

.about-page-header-inner { max-width: 880px; }

.about-page-title {
  font-family: var(--font-display);
  font-size: clamp(30px, 4.2vw, 48px);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.01em;
  margin: 16px 0 16px;
}

:lang(ja) .about-page-title {
  letter-spacing: 0.005em;
  line-height: 1.45;
}

.about-page-lead {
  font-size: clamp(15px, 1.4vw, 17.5px);
  line-height: 1.85;
  color: var(--fg-secondary);
  max-width: 720px;
}

.about-page-body {
  padding: 56px 0 96px;
  display: flex;
  flex-direction: column;
  gap: 80px;
}

/* About intro */
.about-intro { max-width: 760px; }

.about-intro h2 {
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 700;
  letter-spacing: 0.005em;
  line-height: 1.55;
  color: var(--fg-primary);
  margin-bottom: 18px;
}

.about-intro p {
  color: var(--fg-secondary);
  font-size: 15.5px;
  line-height: 1.95;
  margin-bottom: 16px;
}

.about-intro p:last-of-type { margin-bottom: 24px; }

/* Field map (SVG) */
.fieldmap {
  border-top: 1px solid var(--border-subtle);
  padding-top: 56px;
}

.fieldmap-head { margin-bottom: 32px; max-width: 720px; }

.fieldmap-head h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  margin: 14px 0 14px;
  letter-spacing: -0.01em;
}

:lang(ja) .fieldmap-head h2 { letter-spacing: 0.005em; }

.fieldmap-head .lead {
  color: var(--fg-secondary);
  line-height: 1.85;
  font-size: 15px;
}

.fieldmap-canvas {
  position: relative;
  border-radius: var(--r-lg);
  border: 1px solid var(--border-subtle);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
  overflow: hidden;
  margin-bottom: 18px;
}

.fieldmap-svg { width: 100%; height: auto; display: block; }

.fieldmap-svg .marker { cursor: default; transition: opacity 0.25s var(--ease-out); }
.fieldmap-svg .marker[data-dimmed="true"] { opacity: 0.2; }

.fieldmap-svg .marker .dot { fill: var(--brand-primary); filter: drop-shadow(0 0 6px rgba(77, 224, 255, 0.6)); }
.fieldmap-svg .marker[data-region="asia"] .dot { fill: #B8AAFF; filter: drop-shadow(0 0 6px rgba(184, 170, 255, 0.55)); }
.fieldmap-svg .marker[data-region="americas"] .dot { fill: #FFB36B; filter: drop-shadow(0 0 6px rgba(255, 179, 107, 0.55)); }
.fieldmap-svg .marker[data-region="europe"] .dot { fill: #6BFFB3; filter: drop-shadow(0 0 6px rgba(107, 255, 179, 0.55)); }
.fieldmap-svg .marker[data-region="japan"] .dot { fill: #4DE0FF; }

.fieldmap-svg .marker .marker-label {
  font-family: var(--font-mono);
  font-size: 10px;
  fill: var(--fg-secondary);
  letter-spacing: 0.04em;
}
.fieldmap-svg .marker .marker-sublabel {
  font-family: var(--font-mono);
  font-size: 8.5px;
  fill: var(--fg-muted);
  letter-spacing: 0.04em;
}
.fieldmap-svg .marker.marker-cluster .marker-label {
  font-size: 12px;
  fill: var(--fg-primary);
  font-weight: 600;
}

.fieldmap-svg .marker .ring {
  animation: ringPulse 3s ease-in-out infinite;
  transform-origin: center;
  transform-box: fill-box;
}

@keyframes ringPulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 0.2; transform: scale(1.3); }
}

.fieldmap-legend {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding: 0 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.fieldmap-legend li { display: inline-flex; align-items: center; gap: 8px; }

.fieldmap-legend .swatch {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.fieldmap-legend .swatch-japan { background: #4DE0FF; box-shadow: 0 0 6px rgba(77, 224, 255, 0.5); }
.fieldmap-legend .swatch-asia { background: #B8AAFF; box-shadow: 0 0 6px rgba(184, 170, 255, 0.45); }
.fieldmap-legend .swatch-americas { background: #FFB36B; box-shadow: 0 0 6px rgba(255, 179, 107, 0.45); }
.fieldmap-legend .swatch-europe { background: #6BFFB3; box-shadow: 0 0 6px rgba(107, 255, 179, 0.45); }

.fieldmap-legend .fieldmap-legend-note {
  text-transform: none;
  letter-spacing: 0.04em;
  color: var(--fg-muted);
  opacity: 0.8;
}

/* Field log (filtered) */
.fieldlog {
  border-top: 1px solid var(--border-subtle);
  padding-top: 56px;
}

.fieldlog-head { margin-bottom: 36px; max-width: 720px; }

.fieldlog-head h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  margin: 14px 0 14px;
  letter-spacing: -0.01em;
}

:lang(ja) .fieldlog-head h2 { letter-spacing: 0.005em; }

.fieldlog-head .lead {
  color: var(--fg-secondary);
  line-height: 1.85;
  font-size: 15px;
}
:lang(ja) .fieldlog-head .lead { word-break: keep-all; overflow-wrap: anywhere; }

.fieldlog-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.fieldlog-stats .field-stat {
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  padding: 22px;
  background: rgba(255, 255, 255, 0.02);
}

.fieldlog-stats .field-stat .num {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: block;
  margin-bottom: 6px;
}

.fieldlog-stats .field-stat .label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

@media (max-width: 720px) {
  .fieldlog-stats { gap: 8px; }
  .fieldlog-stats .field-stat { padding: 14px 12px; }
}

/* Yearly bar chart */
.fieldlog-yearchart {
  display: grid;
  gap: 8px;
  margin-bottom: 36px;
  max-width: 540px;
}

.fieldlog-yearchart .yearchart-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 6px;
  font-weight: 500;
}

.fieldlog-yearchart .year-bar {
  display: grid;
  grid-template-columns: 44px 1fr 28px;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-secondary);
}

.fieldlog-yearchart .year-bar .y {
  letter-spacing: 0.04em;
}

.fieldlog-yearchart .year-bar .bar {
  position: relative;
  display: block;
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.fieldlog-yearchart .year-bar .bar-fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(77, 224, 255, 0.6), rgba(184, 170, 255, 0.6));
}

.fieldlog-yearchart .year-bar .n {
  color: var(--fg-primary);
  text-align: right;
  font-weight: 600;
}

/* Filter chips */
.fieldlog-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.02);
  margin-bottom: 32px;
  width: fit-content;
  max-width: 100%;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--fg-secondary);
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: background 0.2s var(--ease-out), color 0.2s var(--ease-out);
}

.filter-chip:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--fg-primary);
}

.filter-chip.active {
  background: rgba(77, 224, 255, 0.16);
  color: #BEEEFF;
  box-shadow: 0 0 0 1px rgba(77, 224, 255, 0.30) inset;
}

.filter-chip .count {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--fg-muted);
}

.filter-chip.active .count {
  background: rgba(77, 224, 255, 0.20);
  color: #BEEEFF;
}

/* Year list */
.fieldlog-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.fieldlog-year {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.fieldlog-year:last-child { border-bottom: 0; }

.fieldlog-year[data-empty="true"] { display: none; }

.fieldlog-year .year {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--brand-primary);
  padding-top: 4px;
  align-self: start;
}

.fieldlog-year .events {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.fieldlog-year .event {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 14px;
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
}

.fieldlog-year .event[data-hidden="true"] { display: none; }

.fieldlog-year .event .ev {
  font-size: 14px;
  color: var(--fg-primary);
  font-family: var(--font-display);
  letter-spacing: 0.005em;
}

.fieldlog-year .event .ev-note {
  color: var(--fg-muted);
  font-size: 12.5px;
  margin-left: 4px;
}

.fieldlog-year .event .region {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 999px;
}

.region-japan { background: rgba(77, 224, 255, 0.14); color: #8FECFF; }
.region-asia { background: rgba(184, 170, 255, 0.14); color: #D6CCFF; }
.region-americas { background: rgba(255, 179, 107, 0.14); color: #FFD9B5; }
.region-europe { background: rgba(107, 255, 179, 0.14); color: #B5FFD9; }
.region-online { background: rgba(255, 255, 255, 0.06); color: var(--fg-secondary); }

.fieldlog-empty {
  margin-top: 24px;
  padding: 24px;
  border-radius: var(--r-md);
  border: 1px dashed var(--border-soft);
  background: rgba(255, 255, 255, 0.02);
  text-align: center;
  color: var(--fg-muted);
  font-size: 14px;
}

@media (max-width: 720px) {
  .fieldlog-year { grid-template-columns: 60px 1fr; gap: 12px; }
  .fieldlog-year .event {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}

/* ============================================================
   In-prose visual components (replace sequence diagrams)
   ============================================================ */

.work-prose .flow-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin: 1.8em 0;
  list-style: none;
  padding: 0;
}

.work-prose .flow-steps > li,
.work-prose .flow-step {
  position: relative;
  padding: 18px 18px 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--border-subtle);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  list-style: none;
  margin: 0;
}

.work-prose .flow-step::before,
.work-prose .flow-steps > li::before {
  content: attr(data-step);
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--brand-primary);
  margin-bottom: 10px;
}

.work-prose .flow-step .title,
.work-prose .flow-steps > li > strong:first-child {
  display: block;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--fg-primary);
  margin-bottom: 6px;
  letter-spacing: -0.005em;
}

.work-prose .flow-step .desc,
.work-prose .flow-steps > li > p {
  font-size: 13px;
  line-height: 1.75;
  color: var(--fg-secondary);
  margin: 0;
}

/* Component hub — central component + connected spokes */
.work-prose .component-hub {
  margin: 1.8em 0;
  padding: 24px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  background: rgba(0, 0, 0, 0.20);
}

.work-prose .component-hub .hub-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--fg-muted);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.work-prose .component-hub .hub-center {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border-radius: 999px;
  background: linear-gradient(120deg, rgba(77, 224, 255, 0.18), rgba(142, 124, 255, 0.18));
  border: 1px solid rgba(77, 224, 255, 0.40);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  color: var(--fg-primary);
  margin-bottom: 14px;
}

.work-prose .component-hub .hub-center::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand-primary);
  box-shadow: 0 0 8px var(--brand-primary);
}

.work-prose .component-hub .hub-spokes {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.work-prose .component-hub .hub-spokes li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-secondary);
  margin: 0;
}

.work-prose .component-hub .hub-spokes li::before {
  content: "—";
  color: var(--brand-primary);
  font-weight: 600;
}

/* Bidirectional flow */
.work-prose .bidi-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: stretch;
  margin: 1.8em 0;
}

.work-prose .bidi-flow .col {
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  padding: 18px 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
}

.work-prose .bidi-flow .col .kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--fg-muted);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.work-prose .bidi-flow .col .name {
  display: block;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--fg-primary);
  margin-bottom: 8px;
}

.work-prose .bidi-flow .col p {
  font-size: 13px;
  line-height: 1.75;
  color: var(--fg-secondary);
  margin: 0;
}

.work-prose .bidi-flow .arrows {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--brand-primary);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.work-prose .bidi-flow .arrows::before,
.work-prose .bidi-flow .arrows::after {
  content: "";
  height: 24px;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--brand-primary), transparent);
}

.work-prose .bidi-flow .arrows .arrow-line {
  font-size: 16px;
}

@media (max-width: 720px) {
  .work-prose .bidi-flow { grid-template-columns: 1fr; }
  .work-prose .bidi-flow .arrows {
    flex-direction: row;
    padding: 8px 0;
  }
  .work-prose .bidi-flow .arrows::before,
  .work-prose .bidi-flow .arrows::after {
    width: 24px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--brand-primary), transparent);
  }
}

.work-prose .award-callout {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 18px 22px;
  border-radius: var(--r-md);
  background: linear-gradient(120deg, rgba(255, 179, 107, 0.10), rgba(255, 122, 162, 0.06));
  border: 1px solid rgba(255, 179, 107, 0.35);
  margin: 0 0 2em;
  box-shadow: 0 8px 24px rgba(255, 179, 107, 0.10);
}

.work-prose .award-callout i {
  color: #FFD27A;
  font-size: 24px;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 6px rgba(255, 210, 122, 0.40));
}

.work-prose .award-callout-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #FFD27A;
  margin-bottom: 4px;
}

.work-prose .award-callout-text {
  display: block;
  font-size: 14.5px;
  font-weight: 600;
  color: #FFE9CC;
  font-family: var(--font-display);
  letter-spacing: 0.005em;
  line-height: 1.5;
}

.work-prose .mermaid {
  background: var(--bg-layer);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  padding: 24px 20px;
  margin: 1.6em 0;
  text-align: center;
}

.work-prose .mermaid svg {
  max-width: 100%;
  height: auto;
}

.work-prose table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  overflow: hidden;
  font-size: 14px;
}

.work-prose th,
.work-prose td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-subtle);
  text-align: left;
  color: var(--fg-secondary);
}

.work-prose th {
  background: rgba(255, 255, 255, 0.03);
  color: var(--fg-primary);
  font-weight: 600;
}

.work-prose tr:last-child td { border-bottom: 0; }

/* Related works strip */

.work-related {
  border-top: 1px solid var(--border-subtle);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.015), rgba(255, 255, 255, 0));
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.related-card {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.02);
  display: flex;
  flex-direction: column;
  transition: transform 0.25s var(--ease-out), border-color 0.25s var(--ease-out);
}

.related-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-soft);
}

.related-thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-elev);
}

.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease-out);
}

.related-card:hover .related-thumb img {
  transform: scale(1.04);
}

.related-body {
  padding: 18px 20px;
}

.related-year {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--fg-muted);
  margin-bottom: 6px;
}

.related-body h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--fg-primary);
  letter-spacing: -0.005em;
  line-height: 1.45;
}

@media (max-width: 880px) {
  .related-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   About page (dedicated layout, no hero portrait)
   ============================================================ */

.about-page-header {
  position: relative;
  padding-top: var(--s-9);
  padding-bottom: var(--s-7);
  border-bottom: 1px solid var(--border-subtle);
  isolation: isolate;
  overflow: hidden;
}

.about-page-header-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(120% 80% at 80% 0%, rgba(77, 224, 255, 0.10), transparent 60%),
    radial-gradient(110% 80% at 0% 100%, rgba(142, 124, 255, 0.08), transparent 60%);
}

.about-page-header-inner {
  max-width: 760px;
}

.about-page-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4.2vw, 48px);
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--fg-primary);
  margin: 18px 0 18px;
  line-height: 1.32;
}

:lang(ja) .about-page-title {
  letter-spacing: 0.005em;
  line-height: 1.45;
}

.about-page-lead {
  color: var(--fg-secondary);
  line-height: 1.85;
  font-size: clamp(15px, 1.6vw, 17px);
  max-width: 640px;
}

.about-page-body {
  padding: 64px 0 96px;
}

.about-intro {
  max-width: 720px;
  margin-bottom: 80px;
}

.about-intro-avatar {
  display: block;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 36px;
  border: 1px solid var(--border-subtle);
}

.about-intro h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.6vw, 28px);
  font-weight: 700;
  letter-spacing: -0.005em;
  color: var(--fg-primary);
  line-height: 1.5;
  margin-bottom: 20px;
}

:lang(ja) .about-intro h2 {
  letter-spacing: 0.005em;
}

.about-intro p {
  color: var(--fg-secondary);
  line-height: 1.95;
  font-size: 15.5px;
  margin-bottom: 18px;
}

.about-intro p:last-of-type {
  margin-bottom: 28px;
}

/* Field map */

.fieldmap {
  border-top: 1px solid var(--border-subtle);
  padding-top: 64px;
  margin-bottom: 80px;
}

.fieldmap-head {
  margin-bottom: 28px;
}

.fieldmap-head h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--fg-primary);
  margin: 14px 0 14px;
  line-height: 1.4;
}

:lang(ja) .fieldmap-head h2 { letter-spacing: 0.005em; }

.fieldmap-head .lead {
  color: var(--fg-secondary);
  max-width: 640px;
  font-size: 15px;
  line-height: 1.85;
}

.fieldmap-canvas {
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  background:
    linear-gradient(180deg, rgba(20, 24, 38, 0.6), rgba(14, 17, 25, 0.85));
  padding: 16px;
  overflow: hidden;
  position: relative;
}

.fieldmap-svg {
  width: 100%;
  height: auto;
  display: block;
  font-family: var(--font-mono);
}

.fieldmap-svg .marker {
  cursor: pointer;
  transition: opacity 0.25s var(--ease-out);
}

.fieldmap-svg .marker .dot {
  transition: r 0.2s var(--ease-out), filter 0.2s var(--ease-out);
}

.fieldmap-svg .marker[data-region="japan"] .dot { fill: #4DE0FF; }
.fieldmap-svg .marker[data-region="asia"] .dot { fill: #B8AAFF; }
.fieldmap-svg .marker[data-region="americas"] .dot { fill: #FFB36B; }
.fieldmap-svg .marker[data-region="europe"] .dot { fill: #6BFFB3; }

.fieldmap-svg .marker .marker-label {
  fill: var(--fg-secondary);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  pointer-events: none;
  paint-order: stroke;
  stroke: rgba(6, 8, 15, 0.85);
  stroke-width: 2.5;
}

.fieldmap-svg .marker .marker-sublabel {
  fill: var(--fg-muted);
  font-size: 9.5px;
  letter-spacing: 0.04em;
  pointer-events: none;
  paint-order: stroke;
  stroke: rgba(6, 8, 15, 0.85);
  stroke-width: 2.5;
}

.fieldmap-svg .marker:hover .dot,
.fieldmap-svg .marker:focus-visible .dot {
  filter: drop-shadow(0 0 6px currentColor);
}

.fieldmap-svg .marker:hover .marker-label,
.fieldmap-svg .marker:focus-visible .marker-label {
  fill: var(--fg-primary);
}

.fieldmap-svg .marker[data-dimmed="true"] {
  opacity: 0.18;
}

.fieldmap-legend {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
  text-transform: uppercase;
}

.fieldmap-legend li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.fieldmap-legend .swatch {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.fieldmap-legend .swatch-japan { background: #4DE0FF; box-shadow: 0 0 8px rgba(77,224,255,0.45); }
.fieldmap-legend .swatch-asia { background: #B8AAFF; box-shadow: 0 0 8px rgba(184,170,255,0.45); }
.fieldmap-legend .swatch-americas { background: #FFB36B; box-shadow: 0 0 8px rgba(255,179,107,0.45); }
.fieldmap-legend .swatch-europe { background: #6BFFB3; box-shadow: 0 0 8px rgba(107,255,179,0.45); }

@media (max-width: 720px) {
  .fieldmap { padding-top: 48px; margin-bottom: 56px; }
  .fieldmap-canvas { padding: 8px; }
  .fieldmap-svg .marker .marker-label { font-size: 12px; }
  .fieldmap-svg .marker .marker-sublabel { font-size: 11px; }
}

/* Field log */

.fieldlog {
  border-top: 1px solid var(--border-subtle);
  padding-top: 64px;
}

.fieldlog-head {
  margin-bottom: 36px;
}

.fieldlog-head h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--fg-primary);
  margin: 14px 0 14px;
  line-height: 1.4;
}

:lang(ja) .fieldlog-head h2 { letter-spacing: 0.005em; }

.fieldlog-head .lead {
  color: var(--fg-secondary);
  max-width: 640px;
  font-size: 15px;
  line-height: 1.85;
}

.fieldlog-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 40px;
}

.fieldlog-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.fieldlog-filter .filter-chip {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  color: var(--fg-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out), background 0.2s var(--ease-out);
}

.fieldlog-filter .filter-chip:hover {
  color: var(--fg-secondary);
  border-color: var(--border-soft);
}

.fieldlog-filter .filter-chip.active {
  background: rgba(77, 224, 255, 0.10);
  border-color: rgba(77, 224, 255, 0.55);
  color: var(--brand-primary);
}

.fieldlog-filter .filter-chip .count {
  font-size: 10.5px;
  color: var(--fg-muted);
  letter-spacing: 0.04em;
}

.fieldlog-filter .filter-chip.active .count {
  color: var(--fg-secondary);
}

.fieldlog-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.fieldlog-year {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 24px;
  border-top: 1px solid var(--border-subtle);
  padding: 22px 0;
}

.fieldlog-year > .year {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--fg-primary);
  line-height: 1;
  padding-top: 4px;
}

.fieldlog-year .events {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.fieldlog-year .event {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14.5px;
  color: var(--fg-secondary);
  line-height: 1.6;
}

.fieldlog-year .event .ev {
  flex: 1 1 auto;
}

.fieldlog-year .event .ev-note {
  color: var(--fg-muted);
  font-size: 12.5px;
  margin-left: 4px;
}

.fieldlog-year .event .region {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.10em;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  color: var(--fg-muted);
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
}

.fieldlog-year .event .region.region-japan {
  color: #4DE0FF;
  border-color: rgba(77, 224, 255, 0.30);
  background: rgba(77, 224, 255, 0.04);
}
.fieldlog-year .event .region.region-asia {
  color: #B8AAFF;
  border-color: rgba(142, 124, 255, 0.35);
  background: rgba(142, 124, 255, 0.05);
}
.fieldlog-year .event .region.region-americas {
  color: #FFB36B;
  border-color: rgba(255, 179, 107, 0.30);
  background: rgba(255, 179, 107, 0.05);
}
.fieldlog-year .event .region.region-europe {
  color: #6BFFB3;
  border-color: rgba(107, 255, 179, 0.30);
  background: rgba(107, 255, 179, 0.04);
}
.fieldlog-year .event .region.region-online {
  color: #C2C8D6;
  border-color: rgba(194, 200, 214, 0.25);
  background: rgba(194, 200, 214, 0.04);
}

.fieldlog-year .event[data-hidden="true"] { display: none; }
.fieldlog-year[data-empty="true"] { display: none; }

.fieldlog-empty {
  margin-top: 20px;
  color: var(--fg-muted);
  font-size: 14px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

@media (max-width: 720px) {
  .fieldlog-year {
    grid-template-columns: 64px 1fr;
    gap: 16px;
    padding: 18px 0;
  }
  .fieldlog-year > .year { font-size: 18px; }
  .fieldlog-year .event {
    flex-wrap: wrap;
    gap: 8px;
  }
  .about-page-body { padding: 48px 0 80px; }
  .fieldlog { padding-top: 48px; }
}