:root {
  color-scheme: dark;
  --bg: #080907;
  --bg-2: #10120d;
  --panel: #15170f;
  --paper: #d8c58f;
  --text: #f2f1df;
  --muted: #b8b19a;
  --line: #3b3a2c;
  --crt: #76f7a0;
  --amber: #e0b45e;
  --rust: #b86b4f;
  --ink: #060806;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background:
    linear-gradient(180deg, rgba(118, 247, 160, 0.06), transparent 440px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.018) 0 1px, transparent 1px 80px),
    var(--bg);
  color: var(--text);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, system-ui, sans-serif;
  line-height: 1.75;
}

a {
  color: inherit;
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
  padding: 12px clamp(16px, 4vw, 48px);
  border-bottom: 1px solid rgba(242, 241, 223, 0.16);
  background: rgba(8, 9, 7, 0.76);
  backdrop-filter: blur(14px);
}

.brand,
.nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand {
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--crt);
  color: var(--crt);
  font-family: Consolas, "Courier New", monospace;
  box-shadow: inset 0 0 18px rgba(118, 247, 160, 0.12);
}

.nav {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a {
  color: var(--muted);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.82rem;
  text-decoration: none;
}

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

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 96px clamp(16px, 4vw, 48px) clamp(40px, 8vw, 80px);
}

.hero-bg,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.06) brightness(0.72);
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(8, 9, 7, 0.9), rgba(8, 9, 7, 0.58) 42%, rgba(8, 9, 7, 0.34)),
    linear-gradient(180deg, rgba(8, 9, 7, 0.58), transparent 42%, rgba(8, 9, 7, 0.86)),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 5px);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 380px);
  gap: clamp(24px, 6vw, 72px);
  align-items: end;
  width: min(100%, 1240px);
  margin: 0 auto;
}

.hero-copy {
  max-width: 720px;
}

.kicker {
  margin: 0 0 10px;
  color: var(--crt);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.78rem;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 820px;
  font-size: clamp(3.3rem, 9vw, 7.8rem);
  line-height: 0.98;
  letter-spacing: 0;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.64);
}

h1 span,
h1 small,
h2 span,
h2 small,
.lead span,
.sublead span,
.note-grid p span,
.lab-card p span,
.profile-copy p span,
.contact p span,
.grow-list b,
.grow-list em {
  display: block;
}

h1 small {
  margin-top: 16px;
  color: var(--crt);
  font-family: Consolas, "Courier New", monospace;
  font-size: clamp(0.95rem, 2vw, 1.3rem);
  font-weight: 500;
  line-height: 1.4;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.72);
}

h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3.4rem);
  line-height: 1.22;
  letter-spacing: 0;
}

h2 small {
  margin-top: 10px;
  color: var(--amber);
  font-family: Consolas, "Courier New", monospace;
  font-size: clamp(0.9rem, 1.6vw, 1.08rem);
  font-weight: 500;
  line-height: 1.5;
}

h3 {
  margin: 12px 0 8px;
  font-size: 1.12rem;
}

.lead {
  margin: 22px 0 0;
  max-width: 620px;
  color: var(--text);
  font-size: clamp(1.02rem, 2vw, 1.2rem);
}

.lead span + span,
.sublead span + span {
  margin-top: 2px;
  color: var(--crt);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.92em;
}

.sublead {
  margin: 16px 0 0;
  max-width: 660px;
  color: var(--muted);
  font-size: clamp(0.95rem, 1.8vw, 1.08rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid rgba(242, 241, 223, 0.25);
  background: rgba(8, 9, 7, 0.52);
  color: var(--text);
  font-family: Consolas, "Courier New", monospace;
  text-decoration: none;
}

.button.primary {
  border-color: var(--crt);
  background: var(--crt);
  color: var(--ink);
  font-weight: 700;
}

.crt-panel {
  border: 1px solid rgba(118, 247, 160, 0.42);
  background:
    radial-gradient(circle at 50% 0, rgba(118, 247, 160, 0.16), transparent 58%),
    rgba(6, 12, 8, 0.78);
  box-shadow: inset 0 0 26px rgba(118, 247, 160, 0.12), 0 16px 52px rgba(0, 0, 0, 0.45);
  color: var(--crt);
  font-family: Consolas, "Courier New", monospace;
  padding: 18px;
}

.crt-title,
.crt-panel pre,
.crt-panel span {
  margin: 0;
}

.crt-title {
  color: var(--amber);
  font-size: 0.82rem;
}

.crt-panel pre {
  margin-top: 14px;
  white-space: pre-wrap;
  line-height: 1.55;
}

.crt-panel span {
  display: block;
  margin-top: 16px;
  color: rgba(118, 247, 160, 0.78);
  font-size: 0.82rem;
}

.lab-note,
.section-band,
.live-device,
.prototype-devices,
.profile,
.contact {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(58px, 9vw, 100px) clamp(16px, 4vw, 32px);
}

.section-band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head {
  margin-bottom: 30px;
}

.note-grid,
.live-device,
.profile,
.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(24px, 5vw, 56px);
}

.live-device {
  align-items: center;
}

.note-grid p,
.live-device-copy p,
.profile-copy p,
.contact p {
  margin: 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.note-grid p {
  position: relative;
  padding: 22px;
  border: 1px solid rgba(216, 197, 143, 0.34);
  background:
    linear-gradient(180deg, rgba(216, 197, 143, 0.12), rgba(216, 197, 143, 0.045)),
    rgba(18, 16, 10, 0.72);
}

.note-grid p span + span,
.live-device-copy p span + span,
.lab-card p span + span,
.profile-copy p span + span,
.contact p span + span {
  margin-top: 7px;
  color: rgba(242, 241, 223, 0.78);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.9em;
  line-height: 1.55;
}

.live-device-copy p {
  max-width: 620px;
}

.live-device-copy .button {
  margin-top: 24px;
}

.device-window {
  position: relative;
  display: block;
  min-height: 260px;
  overflow: hidden;
  border: 1px solid rgba(118, 247, 160, 0.42);
  background:
    radial-gradient(circle at 50% 0, rgba(118, 247, 160, 0.12), transparent 58%),
    rgba(6, 12, 8, 0.78);
  box-shadow: inset 0 0 26px rgba(118, 247, 160, 0.1), 0 18px 58px rgba(0, 0, 0, 0.35);
  text-decoration: none;
}

.device-window canvas {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 260px;
}

.device-window-caption {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  justify-content: space-between;
  color: var(--crt);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.76rem;
  pointer-events: none;
}

.device-window-caption b,
.device-window-caption em {
  padding: 3px 7px;
  background: rgba(6, 12, 8, 0.72);
  font-style: normal;
  font-weight: 700;
}

.device-window-caption em {
  color: var(--amber);
}

.lab-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.device-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.16fr) minmax(0, 0.92fr);
  gap: 14px;
}

.lab-card {
  min-height: 224px;
  padding: 20px;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(118, 247, 160, 0.055), transparent 42%),
    rgba(19, 21, 15, 0.88);
}

.lab-card.is-active {
  border-color: rgba(118, 247, 160, 0.5);
}

.device-card {
  min-height: 252px;
  padding: 20px;
  border: 1px solid rgba(216, 197, 143, 0.28);
  background:
    linear-gradient(180deg, rgba(216, 197, 143, 0.08), transparent 46%),
    linear-gradient(135deg, rgba(118, 247, 160, 0.05), transparent 42%),
    rgba(17, 19, 13, 0.9);
  box-shadow: inset 0 0 0 1px rgba(8, 9, 7, 0.44);
}

.device-card.is-active {
  border-color: rgba(118, 247, 160, 0.5);
  box-shadow: inset 0 0 24px rgba(118, 247, 160, 0.08);
}

.lab-card p {
  margin: 0;
  color: var(--muted);
}

.device-card p {
  margin: 0;
  color: var(--muted);
}

.device-card p span {
  display: block;
}

.device-card p span + span {
  margin-top: 7px;
  color: rgba(242, 241, 223, 0.78);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.9em;
  line-height: 1.55;
}

.status,
.card-action,
.device-state {
  color: var(--amber);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.76rem;
}

.is-active .status,
.is-active .card-action,
.is-active .device-state {
  color: var(--crt);
}

.card-action {
  display: inline-flex;
  margin-top: 18px;
  text-decoration: none;
}

.device-state {
  display: inline-flex;
  margin-top: 18px;
}

.is-retired {
  display: none;
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 30px;
}

.signal-card {
  min-height: 190px;
  padding: 20px;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(118, 247, 160, 0.06), transparent 44%),
    rgba(19, 21, 15, 0.88);
}

.signal-card.is-open {
  border-color: rgba(118, 247, 160, 0.5);
}

.signal-card h2,
.signal-card p {
  margin: 0;
}

.signal-card h2 {
  margin-top: 10px;
  font-size: clamp(1.35rem, 3vw, 2.1rem);
}

.signal-card p {
  margin-top: 12px;
  color: var(--muted);
}

.signal-card .button {
  margin-top: 18px;
}

.profile {
  align-items: start;
}

.profile-copy p + p {
  margin-top: 14px;
}

.profile-frame {
  margin: 0;
  border: 1px solid var(--line);
  background: rgba(19, 21, 15, 0.82);
  padding: 10px;
}

.profile-frame img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.profile-frame figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.85rem;
}

.grow-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.grow-list li {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.grow-list span {
  color: var(--rust);
  font-family: Consolas, "Courier New", monospace;
}

.grow-list b {
  color: var(--muted);
  font-weight: 500;
}

.grow-list em {
  margin-top: 2px;
  color: rgba(242, 241, 223, 0.72);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.9rem;
  font-style: normal;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 24px clamp(16px, 4vw, 48px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.86rem;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    position: absolute;
  }

  .nav {
    justify-content: flex-start;
  }

  .hero-grid,
  .note-grid,
  .live-device,
  .profile,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 100svh;
    align-items: end;
  }

  .crt-panel {
    max-width: 420px;
  }

  .lab-grid,
  .device-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .signal-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding-bottom: 14px;
  }

  .brand {
    width: 100%;
  }

  .nav {
    gap: 8px 12px;
  }

  .nav a {
    font-size: 0.76rem;
  }

  .hero {
    padding-top: 142px;
  }

  h1 {
    font-size: clamp(3.1rem, 17vw, 4.6rem);
  }

  .lab-grid,
  .device-grid {
    grid-template-columns: 1fr;
  }

  .footer {
    flex-direction: column;
  }
}