:root {
  --paper: #f3f0e8;
  --paper-strong: #fffdf8;
  --ink: #151711;
  --muted: #65685f;
  --line: rgba(21, 23, 17, 0.18);
  --lime: #c9ff45;
  --blue: #91c8ff;
  --orange: #ff9c68;
  --violet: #cbb7ff;
  --terminal: #08130d;
  --radius: 22px;
  --shadow: 7px 7px 0 #151711;
  --max: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 92% 6%, rgba(145, 200, 255, 0.35), transparent 25rem),
    radial-gradient(circle at 4% 29%, rgba(201, 255, 69, 0.25), transparent 22rem),
    var(--paper);
  font-family: "Yu Gothic UI", "Hiragino Sans", "Segoe UI", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  padding: 10px 16px;
  border: 2px solid var(--ink);
  background: var(--lime);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(243, 240, 232, 0.88);
  backdrop-filter: blur(18px);
}

.header-inner,
.section-shell,
.hero,
.footer-inner {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-mark {
  position: relative;
  width: 30px;
  height: 30px;
  border: 2px solid var(--ink);
  border-radius: 9px;
  background: var(--lime);
  box-shadow: 3px 3px 0 var(--ink);
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: var(--ink);
}

.brand-mark::before {
  width: 6px;
  height: 6px;
  top: 7px;
  left: 6px;
  box-shadow: 10px 0 0 var(--ink);
}

.brand-mark::after {
  width: 13px;
  height: 3px;
  left: 7px;
  bottom: 6px;
  border-radius: 4px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a {
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 700;
}

.site-nav a:not(.language-link):hover {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.language-link {
  padding: 7px 12px;
  border: 1.5px solid var(--ink);
  border-radius: 99px;
  background: var(--paper-strong);
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  padding: 9px;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  background: var(--paper-strong);
}

.menu-button span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
}

.hero {
  min-height: calc(100vh - 72px);
  padding: 76px 0 64px;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(480px, 1.1fr);
  align-items: center;
  gap: clamp(40px, 6vw, 90px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 8px;
  border: 1.5px solid var(--ink);
  border-radius: 99px;
  background: var(--lime);
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(3.2rem, 7vw, 7rem);
  line-height: 0.98;
  letter-spacing: -0.065em;
}

html[lang="ja"] .hero h1 {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  white-space: nowrap;
}

.hero h1 .accent {
  display: inline-block;
  position: relative;
  z-index: 0;
}

.hero h1 .accent::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: -0.08em;
  bottom: 0.05em;
  left: -0.03em;
  height: 0.28em;
  background: var(--lime);
  transform: rotate(-1.2deg);
}

.hero-copy {
  max-width: 630px;
  margin: 30px 0 0;
  color: #41443d;
  font-size: clamp(1rem, 1.7vw, 1.22rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  padding: 12px 20px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: white;
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button::after {
  content: "↗";
  font-size: 1.1em;
}

.button:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--lime);
}

.button.secondary {
  background: transparent;
  color: var(--ink);
}

.button.secondary::after {
  content: "↓";
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 34px;
  margin: 42px 0 0;
  padding: 0;
  list-style: none;
}

.hero-stats strong {
  display: block;
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 1.25rem;
}

.hero-stats span {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-visual {
  position: relative;
  min-height: 620px;
}

.visual-card {
  position: absolute;
  overflow: hidden;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: var(--paper-strong);
  box-shadow: var(--shadow);
}

.visual-card.primary {
  width: 82%;
  top: 7%;
  right: 1%;
  transform: rotate(2.5deg);
}

.visual-card.secondary {
  z-index: 2;
  width: 68%;
  left: 0;
  bottom: 4%;
  transform: rotate(-3deg);
}

.visual-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top left;
}

.visual-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px;
  border-top: 2px solid var(--ink);
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.73rem;
  font-weight: 800;
}

.visual-label span:last-child {
  color: var(--muted);
}

.terminal-chip {
  position: absolute;
  z-index: 4;
  top: 0;
  left: 3%;
  width: 220px;
  padding: 16px;
  border: 2px solid var(--ink);
  border-radius: 18px;
  background: var(--terminal);
  color: #eaffdd;
  box-shadow: 5px 5px 0 var(--lime);
  transform: rotate(-4deg);
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.78rem;
}

.terminal-chip header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  color: var(--lime);
  font-weight: 800;
}

.terminal-chip img {
  width: 28px;
  height: 28px;
  border-radius: 7px;
}

.terminal-chip p {
  margin: 5px 0;
  color: #9ed2ad;
}

.terminal-chip b {
  color: white;
}

.ticker {
  overflow: hidden;
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  background: var(--lime);
}

.ticker-track {
  display: flex;
  width: max-content;
  padding: 11px 0;
  animation: ticker 30s linear infinite;
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ticker-track span {
  white-space: nowrap;
}

.ticker-track span::after {
  content: "✦";
  margin: 0 24px;
}

@keyframes ticker {
  to { transform: translateX(-50%); }
}

.section {
  padding: 110px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 40px;
  align-items: end;
  margin-bottom: 48px;
}

.section-kicker {
  margin: 0 0 8px;
  color: var(--muted);
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 4.8rem);
  line-height: 1.03;
  letter-spacing: -0.055em;
}

.section-heading .heading-copy {
  max-width: 620px;
  margin: 0 0 7px auto;
  color: var(--muted);
  font-size: 1.02rem;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.feature-card {
  position: relative;
  overflow: hidden;
  min-height: 480px;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: var(--paper-strong);
}

.feature-card.tfx {
  grid-column: span 7;
}

.feature-card.rakukan {
  grid-column: span 5;
  background: var(--violet);
}

.feature-card.wtmux {
  grid-column: span 5;
  min-height: 390px;
  background: var(--terminal);
  color: white;
}

.feature-card.spindle {
  grid-column: span 7;
  min-height: 390px;
  background: var(--blue);
}

.feature-card.snapnote {
  grid-column: span 12;
  min-height: 360px;
  background: #dbe7ff;
}

.feature-media {
  height: 56%;
  overflow: hidden;
  border-bottom: 2px solid var(--ink);
  background: #191b1a;
}

.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top left;
  transition: transform 500ms ease;
}

.feature-card:hover .feature-media img {
  transform: scale(1.025);
}

.feature-content {
  padding: 26px 28px 30px;
}

.card-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 12px;
}

.pill {
  display: inline-flex;
  padding: 5px 10px;
  border: 1.5px solid currentColor;
  border-radius: 99px;
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.67rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.feature-content h3 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.feature-content p {
  margin: 16px 0 0;
  color: currentColor;
  opacity: 0.76;
}

.text-link {
  display: inline-flex;
  gap: 8px;
  margin-top: 20px;
  font-weight: 800;
  text-decoration: none;
}

.text-link:hover {
  text-decoration: underline;
  text-underline-offset: 5px;
}

.feature-card.rakukan .feature-content,
.feature-card.wtmux .feature-content,
.feature-card.spindle .feature-content,
.feature-card.snapnote .feature-content {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.feature-card.rakukan::before {
  content: "あ";
  position: absolute;
  top: -52px;
  right: 14px;
  color: rgba(21, 23, 17, 0.1);
  font-family: serif;
  font-size: 15rem;
  font-weight: 900;
  line-height: 1;
}

.feature-card.wtmux::before {
  content: "$ wtmux  split-pane\A> session ready_";
  position: absolute;
  top: 32px;
  left: 30px;
  white-space: pre;
  color: var(--lime);
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: clamp(0.9rem, 1.8vw, 1.25rem);
  line-height: 1.8;
}

.spindle-art {
  position: absolute;
  top: 35px;
  right: 42px;
  width: 175px;
  height: 175px;
  padding: 20px;
  border: 2px solid var(--ink);
  border-radius: 36% 64% 53% 47% / 43% 43% 57% 57%;
  background: var(--paper-strong);
  transform: rotate(7deg);
}

.snapnote-art {
  position: absolute;
  top: 22px;
  right: 52px;
  width: 205px;
  height: 205px;
  transform: rotate(4deg);
}

.feature-card.snapnote .feature-content {
  max-width: 760px;
}

.catalog-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 32px;
}

.filter-list {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.filter-button {
  padding: 9px 14px;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 800;
}

.filter-button:hover,
.filter-button[aria-pressed="true"] {
  background: var(--ink);
  color: white;
}

.catalog-count {
  margin: 0;
  color: var(--muted);
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.76rem;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.extensions {
  background: #e7f0ff;
}

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

.app-card {
  display: flex;
  min-height: 270px;
  padding: 24px;
  flex-direction: column;
  border: 1.5px solid var(--ink);
  border-radius: 18px;
  background: rgba(255, 253, 248, 0.78);
  text-decoration: none;
  transition: transform 170ms ease, box-shadow 170ms ease, background 170ms ease;
}

.app-card:hover {
  background: var(--paper-strong);
  box-shadow: 5px 5px 0 var(--ink);
  transform: translate(-3px, -3px);
}

.app-card[hidden] {
  display: none;
}

.app-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.app-release {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 6px 10px;
}

.app-symbol {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1.5px solid var(--ink);
  border-radius: 13px;
  background: var(--card-accent, var(--lime));
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 1rem;
  font-weight: 900;
  box-shadow: 3px 3px 0 var(--ink);
}

.app-version {
  color: var(--muted);
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.7rem;
}

.app-updated {
  color: var(--muted);
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.66rem;
  white-space: nowrap;
}

.app-version.pre-release {
  padding: 4px 8px;
  border: 1px solid #b43f22;
  border-radius: 999px;
  background: #fff0e7;
  color: #8c2d17;
  font-weight: 800;
}

.app-card h3 {
  margin: 30px 0 8px;
  font-size: 1.35rem;
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.app-card p {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 0.9rem;
}

.app-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: auto;
}

.app-meta span {
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #4c5048;
  font-size: 0.67rem;
  font-weight: 700;
}

.app-github-stats {
  display: flex;
  gap: 14px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 800;
}

.app-github-stats > span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.principles {
  background: var(--ink);
  color: white;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.2);
}

.principle {
  min-height: 300px;
  padding: 36px;
  background: var(--ink);
}

.principle-number {
  color: var(--lime);
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.74rem;
  font-weight: 800;
}

.principle h3 {
  margin: 80px 0 12px;
  font-size: 1.6rem;
}

.principle p {
  margin: 0;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.92rem;
}

.closing {
  padding: 90px 0;
  text-align: center;
}

.closing h2 {
  max-width: 870px;
  margin: 0 auto;
  font-size: clamp(2.5rem, 6vw, 6rem);
  line-height: 1;
  letter-spacing: -0.06em;
}

.closing p {
  max-width: 610px;
  margin: 24px auto 32px;
  color: var(--muted);
}

.site-footer {
  border-top: 2px solid var(--ink);
}

.footer-inner {
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-inner p {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 0.8rem;
  font-weight: 700;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Product pages */
.product-page {
  background:
    radial-gradient(circle at 88% 4%, rgba(145, 200, 255, 0.45), transparent 28rem),
    radial-gradient(circle at 3% 32%, rgba(201, 255, 69, 0.24), transparent 24rem),
    var(--paper);
}

.product-shell,
.product-hero {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.product-hero {
  min-height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(520px, 1.12fr);
  gap: clamp(42px, 6vw, 96px);
  padding: 72px 0 96px;
  align-items: center;
}

.product-hero-copy h1 {
  margin: 16px 0 28px;
  font-size: clamp(3rem, 5.6vw, 6.6rem);
  line-height: 0.94;
  letter-spacing: -0.075em;
}

html[lang="ja"] .product-hero-copy h1 {
  font-size: clamp(2.7rem, 5vw, 5.7rem);
  line-height: 1.04;
}

.product-hero-copy h1 > span {
  position: relative;
  display: inline-block;
  padding: 0.02em 0.14em 0.09em;
  border: 2px solid var(--ink);
  border-radius: 0.18em;
  background: var(--lime);
  box-shadow: 0.08em 0.08em 0 var(--ink);
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.72em;
  letter-spacing: -0.08em;
}

.product-lead {
  max-width: 650px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.25vw, 1.18rem);
}

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

.product-tags {
  display: flex;
  gap: 8px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  flex-wrap: wrap;
}

.product-tags li {
  padding: 6px 11px;
  border: 1px solid var(--ink);
  border-radius: 99px;
  background: rgba(255, 253, 248, 0.62);
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.7rem;
  font-weight: 800;
}

.product-showcase {
  position: relative;
  min-height: 610px;
}

.product-shot {
  position: absolute;
  overflow: hidden;
  margin: 0;
  border: 2px solid var(--ink);
  border-radius: 18px;
  background: var(--terminal);
  box-shadow: 9px 9px 0 var(--ink);
}

.product-shot img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top left;
}

.product-shot figcaption {
  display: flex;
  padding: 9px 13px;
  color: var(--lime);
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.product-shot-main {
  z-index: 1;
  top: 0;
  right: 0;
  width: 91%;
}

.product-shot-sub {
  z-index: 2;
  bottom: 10px;
  left: 0;
  width: 68%;
}

.product-command {
  position: absolute;
  z-index: 3;
  right: 2%;
  bottom: 48px;
  padding: 13px 18px;
  border: 2px solid var(--ink);
  border-radius: 11px;
  color: #e9f7eb;
  background: var(--terminal);
  box-shadow: 5px 5px 0 var(--lime);
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: clamp(0.68rem, 1vw, 0.84rem);
}

.product-command span,
.product-command b {
  color: var(--lime);
}

.product-marquee {
  overflow: hidden;
  border-block: 2px solid var(--ink);
  background: var(--lime);
}

.product-marquee > div {
  width: max-content;
  display: flex;
  animation: ticker 26s linear infinite;
}

.product-marquee span {
  display: inline-flex;
  align-items: center;
  min-height: 52px;
  padding: 0 28px;
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.77rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.product-marquee span::after {
  content: "✦";
  margin-left: 56px;
}

.product-section {
  padding: clamp(90px, 11vw, 150px) 0;
}

.product-intro {
  display: grid;
  grid-template-columns: minmax(170px, 0.32fr) minmax(0, 1fr);
  gap: clamp(34px, 7vw, 120px);
}

.product-intro h2,
.product-heading h2,
.product-config h2 {
  margin: 0 0 30px;
  font-size: clamp(2.5rem, 5.8vw, 6.2rem);
  line-height: 1;
  letter-spacing: -0.065em;
}

html[lang="ja"] .product-intro h2,
html[lang="ja"] .product-heading h2,
html[lang="ja"] .product-config h2 {
  font-size: clamp(2.25rem, 5.2vw, 5.5rem);
  line-height: 1.1;
}

.product-intro > div p {
  max-width: 820px;
  color: var(--muted);
  font-size: clamp(1rem, 1.3vw, 1.16rem);
}

.product-section-dark {
  color: #f7f4eb;
  background: var(--ink);
}

.product-section-dark .section-kicker {
  color: var(--lime);
}

.product-heading {
  display: grid;
  grid-template-columns: 0.36fr 1fr;
  gap: clamp(34px, 7vw, 120px);
  margin-bottom: 64px;
}

.product-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.product-feature {
  min-height: 320px;
  padding: clamp(28px, 4vw, 50px);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.product-feature > span,
.platform-card-top {
  color: var(--lime);
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 800;
}

.product-feature h3 {
  margin: 66px 0 14px;
  font-size: clamp(1.45rem, 2.5vw, 2.25rem);
  line-height: 1.15;
}

.product-feature p {
  max-width: 580px;
  margin: 0;
  color: rgba(255, 255, 255, 0.67);
}

.product-feature code {
  color: var(--lime);
}

.product-use-section {
  background:
    linear-gradient(rgba(21, 23, 17, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 23, 17, 0.055) 1px, transparent 1px),
    var(--paper);
  background-size: 32px 32px;
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.use-case {
  padding: clamp(28px, 3.6vw, 46px);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: var(--paper-strong);
  box-shadow: 6px 6px 0 var(--ink);
}

.use-case:nth-child(2) {
  background: #e3f0ff;
}

.use-case:nth-child(3) {
  background: #efffc3;
}

.use-case-label {
  margin: 0;
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.use-case h3 {
  margin: 64px 0 20px;
  font-size: clamp(1.65rem, 3vw, 2.7rem);
  line-height: 1.1;
  letter-spacing: -0.045em;
}

.use-case p:not(.use-case-label) {
  color: #50534b;
}

.use-case p:last-child {
  margin-bottom: 0;
}

.product-config {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(420px, 1fr);
  gap: clamp(50px, 8vw, 130px);
  align-items: center;
}

.product-config p:not(.section-kicker) {
  max-width: 600px;
  color: var(--muted);
}

.product-config pre {
  overflow-x: auto;
  margin: 0;
  padding: clamp(25px, 4vw, 46px);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  color: #dce7de;
  background: var(--terminal);
  box-shadow: var(--shadow);
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: clamp(0.73rem, 1.1vw, 0.92rem);
  line-height: 1.8;
}

.product-config code span {
  color: var(--lime);
}

.product-platform-section {
  border-top: 1px solid var(--line);
  background: rgba(255, 253, 248, 0.46);
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.platform-card {
  min-height: 620px;
  display: flex;
  padding: clamp(26px, 3.2vw, 42px);
  flex-direction: column;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: var(--paper-strong);
  box-shadow: 6px 6px 0 var(--ink);
}

.platform-card:nth-child(1) { background: #dbeaff; }
.platform-card:nth-child(2) { background: #efffc3; }
.platform-card:nth-child(3) { background: #eadfff; }

.platform-card-top {
  display: flex;
  justify-content: space-between;
  color: var(--ink);
}

.platform-card h3 {
  margin: 72px 0 20px;
  font-size: clamp(2.6rem, 5vw, 4.7rem);
  line-height: 1;
  letter-spacing: -0.06em;
}

.platform-card p {
  margin: 0 0 20px;
  color: #41443c;
}

.platform-points {
  margin: 0 0 34px;
  padding: 0;
  list-style: none;
  color: #41443c;
  font-size: 0.88rem;
}

.platform-points li {
  position: relative;
  padding: 8px 0 8px 20px;
  border-top: 1px solid rgba(21, 23, 17, 0.16);
}

.platform-points li::before {
  content: "→";
  position: absolute;
  left: 0;
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-weight: 900;
}

.platform-card .button {
  margin-top: auto;
  align-self: flex-start;
}

.product-cta {
  padding: clamp(100px, 13vw, 180px) 0;
  text-align: center;
}

.product-cta h2 {
  margin: 0 auto;
  font-size: clamp(3rem, 7.4vw, 8rem);
  line-height: 0.95;
  letter-spacing: -0.075em;
}

html[lang="ja"] .product-cta h2 {
  font-size: clamp(2.7rem, 6.5vw, 7rem);
  line-height: 1.05;
}

.product-cta p:not(.section-kicker) {
  max-width: 620px;
  margin: 28px auto 34px;
  color: var(--muted);
}

/* wtmux product page */
.wtmux-page {
  background:
    radial-gradient(circle at 94% 7%, rgba(201, 255, 69, 0.28), transparent 25rem),
    radial-gradient(circle at 4% 34%, rgba(145, 200, 255, 0.22), transparent 27rem),
    var(--paper);
}

.wtmux-hero {
  width: min(calc(100% - 40px), 1420px);
  min-height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: minmax(390px, 0.7fr) minmax(600px, 1.3fr);
  gap: clamp(44px, 6vw, 92px);
  margin-inline: auto;
  padding: 68px 0 88px;
  align-items: center;
}

.wtmux-hero-copy h1 {
  margin: 17px 0 28px;
  font-size: clamp(3rem, 5.3vw, 6.2rem);
  line-height: 0.98;
  letter-spacing: -0.072em;
}

html[lang="ja"] .wtmux-hero-copy h1 {
  font-size: clamp(2.7rem, 4.8vw, 5.6rem);
  line-height: 1.07;
}

.wtmux-hero-copy h1 span {
  display: inline-block;
  margin-bottom: 0.12em;
  padding: 0.04em 0.15em 0.1em;
  border: 2px solid var(--ink);
  border-radius: 0.18em;
  background: var(--lime);
  box-shadow: 0.08em 0.08em 0 var(--ink);
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.74em;
  letter-spacing: -0.08em;
}

.wtmux-hero-shot {
  overflow: hidden;
  margin: 0;
  border: 2px solid var(--ink);
  border-radius: 20px;
  background: var(--terminal);
  box-shadow: 10px 10px 0 var(--ink);
}

.wtmux-hero-shot img {
  width: 100%;
  aspect-ratio: 1100 / 810;
  object-fit: cover;
}

.wtmux-hero-shot figcaption {
  display: flex;
  padding: 11px 16px;
  justify-content: space-between;
  gap: 18px;
  color: var(--lime);
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.wtmux-screen-section {
  color: #f4f1e8;
  background: #101711;
}

.wtmux-screen-section .section-kicker {
  color: var(--lime);
}

.wtmux-screen-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: 26px;
  align-items: start;
}

.wtmux-screen {
  overflow: hidden;
  margin: 0;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 17px;
  background: #07100b;
  box-shadow: 7px 7px 0 var(--lime);
}

.wtmux-screen:nth-child(2) {
  margin-top: 94px;
  box-shadow: 7px 7px 0 var(--blue);
}

.wtmux-screen img {
  width: 100%;
}

.wtmux-screen figcaption {
  display: flex;
  padding: 17px 20px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
}

.wtmux-screen figcaption b {
  color: var(--lime);
}

.wtmux-screen figcaption span {
  color: rgba(255, 255, 255, 0.62);
  text-align: right;
}

.wtmux-agent-section {
  background:
    linear-gradient(rgba(21, 23, 17, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 23, 17, 0.08) 1px, transparent 1px),
    #dfff8f;
  background-size: 32px 32px;
}

.wtmux-agent-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(430px, 1.08fr);
  gap: clamp(50px, 8vw, 128px);
  align-items: start;
}

.wtmux-agent-layout h2,
.wtmux-platform-layout h2 {
  margin: 0 0 28px;
  font-size: clamp(2.5rem, 5.2vw, 5.8rem);
  line-height: 1.04;
  letter-spacing: -0.065em;
}

.wtmux-agent-layout > div:first-child > p:not(.section-kicker),
.wtmux-platform-layout > div:first-child > p:not(.section-kicker) {
  color: #474a42;
  font-size: 1.02rem;
}

.agent-flow {
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: var(--paper-strong);
  box-shadow: var(--shadow);
}

.agent-flow > div {
  display: grid;
  grid-template-columns: 42px 0.55fr 1fr;
  gap: 16px;
  padding: 25px 27px;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.agent-flow > div:last-child {
  border-bottom: 0;
}

.agent-flow span {
  color: var(--muted);
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  font-weight: 800;
}

.agent-flow b {
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 1rem;
}

.agent-flow p {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.key-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.key-grid > div {
  min-height: 190px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.key-grid kbd {
  display: inline-block;
  margin: 0 5px 8px 0;
  padding: 6px 9px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 6px;
  color: var(--lime);
  background: rgba(255, 255, 255, 0.07);
  box-shadow: 0 2px 0 rgba(255, 255, 255, 0.35);
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
}

.key-grid p {
  margin: 42px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.86rem;
}

.key-note {
  max-width: 850px;
  margin: 30px 0 0 auto;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.9rem;
}

.key-note code {
  color: var(--lime);
}

.wtmux-platform-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(430px, 1.05fr);
  gap: clamp(50px, 8vw, 130px);
  align-items: center;
}

.backend-list {
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: var(--paper-strong);
  box-shadow: var(--shadow);
}

.backend-list > div {
  display: grid;
  grid-template-columns: 0.65fr 0.8fr 1.3fr;
  gap: 18px;
  padding: 28px;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.backend-list > div:last-child {
  border-bottom: 0;
}

.backend-list span,
.backend-list b,
.backend-list small {
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

.backend-list span {
  font-weight: 900;
}

.backend-list b {
  color: #4c5e08;
}

.backend-list small {
  color: var(--muted);
  font-size: 0.7rem;
}

.wtmux-cta {
  color: #f4f1e8;
  background: var(--terminal);
}

.wtmux-cta .section-kicker,
.wtmux-cta p:not(.section-kicker) {
  color: var(--lime);
}

.wtmux-cta .button {
  color: var(--ink);
}

/* Shared product detail pages */
.app-detail-hero {
  width: min(calc(100% - 40px), var(--max));
  min-height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(520px, 1.18fr);
  gap: clamp(48px, 7vw, 110px);
  margin-inline: auto;
  padding: 72px 0 94px;
  align-items: center;
}

.app-detail-copy h1 {
  margin: 17px 0 28px;
  font-size: clamp(2.9rem, 5.3vw, 6.1rem);
  line-height: 0.99;
  letter-spacing: -0.072em;
}

html[lang="ja"] .app-detail-copy h1 {
  font-size: clamp(2.6rem, 4.7vw, 5.4rem);
  line-height: 1.08;
}

.app-detail-copy h1 span {
  display: inline-block;
  margin-bottom: 0.12em;
  padding: 0.04em 0.15em 0.1em;
  border: 2px solid var(--ink);
  border-radius: 0.18em;
  background: var(--lime);
  box-shadow: 0.08em 0.08em 0 var(--ink);
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.7em;
  letter-spacing: -0.07em;
}

.app-detail-art {
  position: relative;
  min-height: 610px;
  overflow: hidden;
  border: 2px solid var(--ink);
  border-radius: 30px;
  box-shadow: 10px 10px 0 var(--ink);
}

.app-detail-art > img {
  position: absolute;
  z-index: 2;
  width: clamp(86px, 11vw, 148px);
  height: clamp(86px, 11vw, 148px);
  top: 36px;
  left: 36px;
  object-fit: contain;
  filter: drop-shadow(5px 6px 0 rgba(21, 23, 17, 0.28));
}

.product-warning {
  border-block: 2px solid var(--ink);
  background: #ffd777;
}

.product-warning .product-shell {
  display: grid;
  grid-template-columns: 0.35fr 1fr;
  gap: 40px;
  padding-block: 28px;
  align-items: start;
}

.product-warning b {
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.82rem;
}

.product-warning p {
  margin: 0;
  font-size: 0.9rem;
}

.app-process {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(430px, 1.1fr);
  gap: clamp(52px, 8vw, 130px);
  align-items: center;
}

.app-process h2 {
  margin: 0 0 28px;
  font-size: clamp(2.5rem, 5vw, 5.7rem);
  line-height: 1.05;
  letter-spacing: -0.062em;
}

html[lang="ja"] .app-process h2 {
  font-size: clamp(2.3rem, 4.7vw, 5.2rem);
  line-height: 1.12;
}

.app-process > div:first-child > p:not(.section-kicker) {
  color: var(--muted);
}

.app-process code {
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.9em;
}

/* rakukan */
.rakukan-page {
  background: radial-gradient(circle at 91% 8%, rgba(203, 183, 255, 0.52), transparent 29rem), var(--paper);
}

.rakukan-art {
  background:
    linear-gradient(rgba(255, 255, 255, 0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.15) 1px, transparent 1px),
    #625078;
  background-size: 30px 30px;
}

.ime-demo {
  position: absolute;
  right: 7%;
  bottom: 62px;
  left: 12%;
  padding: clamp(25px, 4vw, 44px);
  border: 2px solid var(--ink);
  border-radius: 18px;
  background: #fffdf8;
  box-shadow: 7px 7px 0 var(--lime);
}

.ime-reading,
.ime-result {
  margin: 0;
  font-size: clamp(1.2rem, 2.3vw, 2.25rem);
}

.ime-reading {
  padding-bottom: 9px;
  border-bottom: 2px solid #6c5ca0;
  color: #625078;
  font-size: clamp(0.9rem, 1.4vw, 1.25rem);
}

.ime-result {
  padding: 14px 0;
  font-weight: 800;
}

.ime-demo ol {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.ime-demo li {
  padding: 7px 0;
  border-top: 1px solid var(--line);
}

.ime-demo li b {
  display: inline-grid;
  width: 24px;
  height: 24px;
  margin-right: 10px;
  place-items: center;
  border-radius: 5px;
  color: #fff;
  background: #625078;
  font-family: monospace;
  font-size: 0.72rem;
}

.ime-demo > span {
  color: var(--muted);
  font-family: monospace;
  font-size: 0.67rem;
  letter-spacing: 0.08em;
}

.process-diagram {
  display: flex;
  padding: 36px 24px;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: #efe9ff;
  box-shadow: var(--shadow);
}

.process-diagram div {
  min-width: 105px;
  padding: 22px 14px;
  text-align: center;
  border: 1px solid var(--ink);
  border-radius: 12px;
  background: #fff;
}

.process-diagram b,
.process-diagram span {
  display: block;
}

.process-diagram b {
  font-family: monospace;
  font-size: 0.8rem;
}

.process-diagram span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.7rem;
}

.process-diagram i {
  padding: 0 10px;
  font-style: normal;
  font-weight: 900;
}

.rakukan-cta {
  background: #e8dcff;
}

/* Spindle */
.spindle-page {
  background: radial-gradient(circle at 91% 8%, rgba(255, 156, 104, 0.4), transparent 29rem), var(--paper);
}

.spindle-artwork {
  background: #bd6444;
}

.book-spread {
  position: absolute;
  right: 6%;
  bottom: 55px;
  left: 9%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 410px;
  border: 2px solid var(--ink);
  background: #fffdf2;
  box-shadow: 9px 9px 0 #462419;
  transform: rotate(-2deg);
}

.book-spread::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 12px;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.15), transparent, rgba(0, 0, 0, 0.1));
  transform: translateX(-50%);
}

.book-spread > div {
  position: relative;
  padding: 46px 34px;
}

.book-spread > div:first-child {
  border-right: 1px solid #d9cfbb;
}

.book-spread > div:first-child p {
  margin: 0 auto;
  width: max-content;
  color: #352b20;
  font-family: serif;
  font-size: 1.25rem;
  line-height: 2.2;
  writing-mode: vertical-rl;
}

.book-spread h3 {
  margin: 0 0 35px;
  font-family: serif;
  font-size: 1.25rem;
}

.book-spread > div:last-child p {
  font-family: serif;
  font-size: 0.9rem;
}

.book-spread span {
  position: absolute;
  right: 28px;
  bottom: 24px;
  color: var(--muted);
  font-family: monospace;
  font-size: 0.7rem;
}

.spindle-ai-section {
  background: #f4e4cc;
}

.translation-demo {
  padding: 32px;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: #fffdf8;
  box-shadow: var(--shadow);
}

.translation-demo > div {
  padding: 23px;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.translation-demo span,
.translation-demo small {
  font-family: monospace;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.translation-demo p {
  margin: 12px 0 0;
  font-family: serif;
  font-size: 1.15rem;
}

.translation-demo i {
  display: block;
  padding: 14px;
  text-align: center;
  color: #8a4e32;
  font-family: monospace;
  font-size: 0.72rem;
  font-style: normal;
}

.translation-demo small {
  display: block;
  margin-top: 15px;
  color: var(--muted);
  text-align: right;
}

.spindle-cta {
  background: #ffd4b6;
}

/* SnapNote Studio */
.snapnote-page {
  background: radial-gradient(circle at 91% 8%, rgba(248, 184, 208, 0.5), transparent 29rem), var(--paper);
}

.snapnote-product-shot {
  overflow: hidden;
  margin: 0;
  border: 2px solid var(--ink);
  border-radius: 20px;
  background: #1e1e1e;
  box-shadow: 10px 10px 0 var(--ink);
}

.snapnote-product-shot img {
  width: 100%;
  aspect-ratio: 1847 / 1112;
  object-fit: cover;
  object-position: center;
}

.snapnote-product-shot figcaption {
  display: flex;
  padding: 12px 16px;
  justify-content: space-between;
  gap: 18px;
  color: #fff;
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.snapnote-product-shot figcaption span:last-child {
  color: #ff9fbe;
}

.snapnote-artwork {
  background:
    linear-gradient(rgba(255, 255, 255, 0.22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.22) 1px, transparent 1px),
    #e98aab;
  background-size: 26px 26px;
}

.annotation-canvas {
  position: absolute;
  right: 7%;
  bottom: 58px;
  left: 10%;
  min-height: 410px;
  padding: 50px;
  border: 2px solid var(--ink);
  border-radius: 18px;
  background: #f7f8fb;
  box-shadow: 8px 8px 0 #70263f;
}

.mock-window {
  position: relative;
  min-height: 260px;
  padding: 65px 30px 30px;
  border: 1px solid #9a9daa;
  border-radius: 10px;
  background: #fff;
}

.mock-window::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 36px;
  border-bottom: 1px solid #c9cad0;
  border-radius: 10px 10px 0 0;
  background: #e9eaf0;
}

.mock-window i {
  position: relative;
  display: block;
  width: 70%;
  height: 14px;
  margin: 0 0 17px;
  border-radius: 4px;
  background: #d8dbe4;
}

.mock-window i:nth-child(3) {
  width: 45%;
}

.mock-window p {
  margin: 10px 0 24px;
  font-weight: 800;
}

.mock-window button {
  padding: 10px 16px;
  border: 0;
  border-radius: 7px;
  color: #fff;
  background: #5676df;
}

.mock-arrow {
  position: absolute;
  z-index: 3;
  right: 12%;
  bottom: 97px;
  color: #ee315f;
  font-size: 6rem;
  font-weight: 900;
  transform: rotate(17deg);
}

.mock-number {
  position: absolute;
  z-index: 4;
  right: 6%;
  top: 70px;
  display: grid;
  width: 55px;
  height: 55px;
  place-items: center;
  border: 3px solid #fff;
  border-radius: 50%;
  color: #fff;
  background: #ee315f;
  box-shadow: 3px 3px 0 #8f1534;
  font-size: 1.5rem;
  font-weight: 900;
}

.mock-highlight {
  position: absolute;
  z-index: 2;
  top: 168px;
  left: 75px;
  width: 190px;
  height: 32px;
  background: rgba(255, 232, 58, 0.5);
  transform: rotate(-2deg);
}

.annotation-canvas small {
  position: absolute;
  right: 18px;
  bottom: 13px;
  font-family: monospace;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
}

.capture-flow {
  display: flex;
  padding: 32px;
  align-items: center;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: #ffe0ea;
  box-shadow: var(--shadow);
}

.capture-flow div {
  flex: 1;
  min-width: 0;
  padding: 22px 12px;
  text-align: center;
  border: 1px solid var(--ink);
  border-radius: 12px;
  background: #fff;
}

.capture-flow b,
.capture-flow span,
.capture-flow small {
  display: block;
}

.capture-flow b {
  color: #d32c59;
  font-family: monospace;
}

.capture-flow span {
  margin: 8px 0;
  font-weight: 900;
}

.capture-flow small {
  color: var(--muted);
  font-size: 0.65rem;
}

.capture-flow i {
  padding: 0 9px;
  font-style: normal;
  font-weight: 900;
}

.snapnote-cta {
  background: #ffc8db;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 60px;
  }

  html[lang="ja"] .hero h1 {
    font-size: clamp(1.9rem, 10.5vw, 4.5rem);
  }

  .hero-visual {
    min-height: 560px;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .section-heading .heading-copy {
    margin-left: 0;
  }

  .feature-card.tfx,
  .feature-card.rakukan,
  .feature-card.wtmux,
  .feature-card.spindle,
  .feature-card.snapnote {
    grid-column: span 12;
  }

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

  .product-hero {
    grid-template-columns: 1fr;
  }

  .product-showcase {
    min-height: 690px;
  }

  .product-intro,
  .product-heading {
    grid-template-columns: 1fr;
  }

  .product-config {
    grid-template-columns: 1fr;
  }

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

  .use-case-grid {
    grid-template-columns: 1fr;
  }

  .platform-card {
    min-height: 500px;
  }

  .wtmux-hero {
    grid-template-columns: 1fr;
  }

  .wtmux-screen-grid,
  .wtmux-agent-layout,
  .wtmux-platform-layout {
    grid-template-columns: 1fr;
  }

  .wtmux-screen:nth-child(2) {
    margin-top: 0;
  }

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

  .app-detail-hero,
  .app-process {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .header-inner,
  .section-shell,
  .hero,
  .footer-inner {
    width: min(calc(100% - 28px), var(--max));
  }

  .site-nav {
    position: absolute;
    top: 72px;
    right: 14px;
    left: 14px;
    display: none;
    padding: 18px;
    flex-direction: column;
    align-items: stretch;
    border: 2px solid var(--ink);
    border-radius: 16px;
    background: var(--paper-strong);
    box-shadow: 5px 5px 0 var(--ink);
  }

  .site-nav.is-open {
    display: flex;
  }

  .menu-button {
    display: block;
  }

  .hero {
    min-height: auto;
    padding: 48px 0 72px;
  }

  .hero h1 {
    font-size: clamp(3rem, 16vw, 5rem);
  }

  html[lang="ja"] .hero h1 {
    font-size: clamp(1.9rem, 10.5vw, 4.5rem);
  }

  .hero-stats {
    gap: 18px 24px;
  }

  .hero-visual {
    min-height: 430px;
  }

  .visual-card.primary {
    width: 92%;
  }

  .visual-card.secondary {
    width: 79%;
  }

  .terminal-chip {
    width: 180px;
    font-size: 0.68rem;
  }

  .section {
    padding: 78px 0;
  }

  .feature-card {
    min-height: 430px;
  }

  .spindle-art {
    width: 125px;
    height: 125px;
    right: 24px;
  }

  .snapnote-art {
    width: 135px;
    height: 135px;
    right: 20px;
  }

  .catalog-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .app-grid,
  .extension-grid,
  .principle-grid {
    grid-template-columns: 1fr;
  }

  .principle {
    min-height: 240px;
  }

  .principle h3 {
    margin-top: 48px;
  }

  .footer-inner {
    padding: 32px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .product-shell,
  .product-hero {
    width: min(calc(100% - 28px), var(--max));
  }

  .product-hero {
    min-height: auto;
    padding: 54px 0 78px;
  }

  .product-showcase {
    min-height: 410px;
  }

  .product-shot-main {
    width: 96%;
  }

  .product-shot-sub {
    width: 72%;
  }

  .product-command {
    right: 0;
    bottom: 16px;
  }

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

  .product-feature {
    min-height: 280px;
  }

  .product-config pre {
    padding: 24px 18px;
  }

  .platform-card {
    min-height: 520px;
  }

  .wtmux-hero {
    width: min(calc(100% - 28px), 1420px);
    min-height: auto;
    padding: 54px 0 76px;
  }

  .wtmux-hero-shot {
    border-radius: 12px;
    box-shadow: 6px 6px 0 var(--ink);
  }

  .wtmux-hero-shot figcaption,
  .wtmux-screen figcaption {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .key-grid > div {
    min-height: 160px;
  }

  .agent-flow > div,
  .backend-list > div {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .app-detail-hero {
    width: min(calc(100% - 28px), var(--max));
    min-height: auto;
    padding: 54px 0 76px;
  }

  .app-detail-art {
    min-height: 500px;
    border-radius: 18px;
    box-shadow: 6px 6px 0 var(--ink);
  }

  .snapnote-product-shot {
    border-radius: 12px;
    box-shadow: 6px 6px 0 var(--ink);
  }

  .snapnote-product-shot figcaption {
    align-items: flex-start;
    flex-direction: column;
  }

  .product-warning .product-shell {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .ime-demo {
    right: 5%;
    bottom: 36px;
    left: 5%;
  }

  .book-spread {
    right: 4%;
    bottom: 38px;
    left: 5%;
    min-height: 350px;
  }

  .book-spread > div {
    padding: 35px 20px;
  }

  .annotation-canvas {
    right: 4%;
    bottom: 38px;
    left: 5%;
    min-height: 350px;
    padding: 34px 24px;
  }

  .process-diagram,
  .capture-flow {
    align-items: stretch;
    flex-direction: column;
  }

  .process-diagram i,
  .capture-flow i {
    padding: 8px;
    text-align: center;
    transform: rotate(90deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}