:root {
  color-scheme: dark;
  --bg: #070a0d;
  --panel: #10171d;
  --panel-soft: #151e25;
  --line: rgba(183, 202, 216, 0.18);
  --text: #f4f8fa;
  --muted: #a9b7c1;
  --cyan: #3bc7d7;
  --green: #7fd16a;
  --gold: #f0ba5b;
  --red: #ef695f;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.46);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 84% 2%, rgba(57, 200, 216, 0.11), transparent 28%),
    radial-gradient(circle at 12% 34%, rgba(127, 209, 106, 0.07), transparent 30%),
    var(--bg);
  color: var(--text);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.38;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
}

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

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

h1,
h2,
h3,
p {
  margin-top: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 32px;
  min-height: 78px;
  padding: 12px clamp(20px, 5vw, 76px);
  background: rgba(247, 250, 252, 0.94);
  border-bottom: 1px solid rgba(15, 23, 29, 0.2);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(18px);
}

.brand img {
  width: 170px;
}

nav {
  display: flex;
  justify-content: center;
  gap: clamp(18px, 3vw, 38px);
  color: #2d3740;
  font-size: 13px;
  font-weight: 900;
}

nav a:hover,
nav a:focus-visible {
  color: #008ea2;
}

.header-cta {
  padding: 11px 17px;
  color: #071014;
  background: var(--cyan);
  border-radius: 7px;
  font-size: 13px;
  font-weight: 950;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.language-switch {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 8px 12px;
  color: #071014;
  background: #ffffff;
  border: 2px solid #26343d;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 950;
  text-shadow: none;
}

.language-switch:hover,
.language-switch:focus-visible {
  color: #071014;
  background: #dffaff;
  border-color: #007f91;
}

.hero {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(34px, 6vw, 92px);
  align-items: center;
  min-height: calc(100vh - 78px);
  padding: clamp(72px, 9vw, 132px) clamp(20px, 5vw, 76px);
  overflow: hidden;
}

.release-ad-strip {
  padding: 20px clamp(20px, 5vw, 76px) 24px;
  background: rgba(14, 20, 25, 0.96);
  border-bottom: 1px solid var(--line);
}

.release-ad-strip-heading {
  display: flex;
  max-width: 1180px;
  margin: 0 auto 13px;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
}

.release-ad-strip-heading p {
  margin: 0 0 2px;
  color: var(--cyan);
  font-size: 10px;
  font-weight: 950;
  letter-spacing: 0.14em;
}

.release-ad-strip-heading h2 {
  margin: 0;
  color: #f4fbff;
  font-size: clamp(18px, 2vw, 24px);
  letter-spacing: 0;
}

.release-ad-strip-heading > span {
  color: #9daab4;
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
}

.release-ad-strip-grid {
  display: grid;
  grid-auto-columns: clamp(300px, 31vw, 382px);
  grid-auto-flow: column;
  max-width: 1180px;
  margin-inline: auto;
  padding: 3px 3px 12px;
  gap: 18px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-padding-inline: 3px;
  scroll-snap-type: inline mandatory;
  scrollbar-color: rgba(57, 200, 216, 0.5) rgba(255, 255, 255, 0.08);
  scrollbar-width: thin;
}

.release-ad-card {
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
  color: #f4fbff;
  background: #0a1117;
  border: 1px solid rgba(57, 200, 216, 0.28);
  border-radius: 10px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.34);
  scroll-snap-align: start;
  transition: border-color 160ms ease, transform 160ms ease;
}

.release-ad-card:hover {
  border-color: rgba(57, 200, 216, 0.7);
  transform: translateY(-2px);
}

.release-ad-card:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 4px;
}

.release-ad-thumbnail {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #05090d;
}

.release-ad-thumbnail > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.release-ad-meta {
  display: flex;
  padding: 11px 13px 12px;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.release-ad-meta strong {
  font-size: 13px;
  line-height: 1.35;
}

.release-ad-meta small {
  color: var(--cyan);
  font-size: 10px;
  font-weight: 850;
  white-space: nowrap;
}

.release-ad-card--video-scene {
  position: relative;
  isolation: isolate;
  min-height: 0;
  aspect-ratio: 16 / 9;
  color: #f4fbff;
  background: #05090d;
}

.release-ad-card--video-scene::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background: linear-gradient(90deg, rgba(5, 9, 13, 0.99) 0%, rgba(5, 9, 13, 0.96) 35%, rgba(5, 9, 13, 0.68) 57%, rgba(5, 9, 13, 0.16) 100%);
}

.release-ad-card--video-scene img {
  position: absolute;
  inset: 0 0 0 auto;
  z-index: -2;
  width: 76%;
  height: 100%;
  object-fit: cover;
  object-position: left center;
  opacity: 0.92;
}

.video-scene-ad-copy {
  position: relative;
  z-index: 1;
  display: flex;
  width: 63%;
  height: 100%;
  padding: 7% 0 6% 6%;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.84);
}

.video-scene-ad-copy small {
  color: var(--cyan);
  font-size: clamp(8px, 1.7vw, 12px);
  font-weight: 900;
  letter-spacing: 0.1em;
}

.video-scene-ad-copy strong {
  margin-top: 3%;
  font-size: clamp(22px, 4.6vw, 34px);
  line-height: 1.02;
  letter-spacing: 0.04em;
}

.video-scene-ad-copy span {
  max-width: 250px;
  margin-top: 5%;
  font-size: clamp(10px, 1.8vw, 13px);
  font-weight: 750;
  line-height: 1.45;
}

.video-scene-ad-copy em {
  margin-top: 3%;
  color: var(--gold);
  font-size: clamp(9px, 1.65vw, 12px);
  font-style: normal;
  font-weight: 900;
}

.hero::after {
  position: absolute;
  right: -10vw;
  top: 7%;
  z-index: -1;
  width: 52vw;
  aspect-ratio: 1;
  content: "";
  background: radial-gradient(circle, rgba(57, 200, 216, 0.19), transparent 65%);
  filter: blur(10px);
}

.kicker {
  margin-bottom: 14px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin-bottom: 28px;
  font-size: clamp(52px, 6vw, 86px);
  line-height: 0.92;
  letter-spacing: -0.07em;
}

h1 span {
  color: transparent;
  background: linear-gradient(90deg, var(--cyan), #85dde7 55%, var(--green));
  background-clip: text;
  -webkit-background-clip: text;
}

.hero-title-line {
  display: block;
  width: fit-content;
  max-width: 100%;
  text-wrap: balance;
}

h1 .hero-title-line--primary {
  color: var(--text);
  background: none;
  background-clip: initial;
  -webkit-background-clip: initial;
}

.hero-search-title {
  font-size: clamp(52px, 6vw, 86px);
}

html[lang="en"] .hero h1 {
  font-size: clamp(46px, 5vw, 72px);
}

.hero-lead {
  max-width: 680px;
  margin-bottom: 34px;
  color: #d2dce3;
  font-size: clamp(19px, 2vw, 27px);
  font-weight: 750;
  line-height: 1.65;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 950;
}

.button-primary {
  color: #071014;
  background: var(--cyan);
  border-color: transparent;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.055);
}

.hero-facts {
  display: flex;
  gap: 26px;
  margin-top: 56px;
}

.hero-facts div {
  min-width: 94px;
  padding-left: 12px;
  border-left: 2px solid var(--line);
}

.hero-facts strong,
.hero-facts span {
  display: block;
}

.hero-facts strong {
  color: var(--gold);
  font-size: 25px;
}

.hero-facts span {
  color: var(--muted);
  font-size: 9px;
  font-weight: 950;
  letter-spacing: 0.08em;
}

.hero-operation {
  position: absolute;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  margin: 0;
  background: #071015;
}

.hero-operation::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(7, 10, 13, 0.96) 0%, rgba(7, 10, 13, 0.76) 38%, rgba(7, 10, 13, 0.46) 100%),
    linear-gradient(180deg, rgba(7, 10, 13, 0.44), rgba(7, 10, 13, 0.78));
  pointer-events: none;
}

.hero-operation img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.62;
  filter: saturate(0.78) contrast(1.05);
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.section {
  padding: clamp(56px, 6vw, 96px) clamp(20px, 5vw, 76px);
}

.section-heading {
  max-width: 920px;
  margin-bottom: 46px;
}

.section-heading h2,
.license-copy h2,
.release-section h2 {
  margin-bottom: 20px;
  font-size: clamp(38px, 5vw, 72px);
  line-height: 1.08;
  letter-spacing: -0.05em;
}

.section-heading > p:not(.kicker),
.license-copy > p:not(.kicker),
.release-section > div > p:not(.kicker) {
  color: #c7d2da;
  font-size: 18px;
  line-height: 1.85;
}

.compact-heading {
  max-width: 760px;
}

.products-section {
  background: rgba(14, 20, 25, 0.7);
  border-block: 1px solid var(--line);
}

/* Detailed screen and feature explanations now live on each product page. */
#screen-guide,
#features {
  display: none;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.product-card {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 48px);
  background: linear-gradient(145deg, rgba(28, 39, 47, 0.96), rgba(11, 16, 20, 0.98));
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.sound-product::before,
.video-product::before {
  position: absolute;
  right: -90px;
  top: -90px;
  width: 260px;
  aspect-ratio: 1;
  content: "";
  border-radius: 50%;
  filter: blur(10px);
}

.sound-product::before {
  background: radial-gradient(circle, rgba(127, 209, 106, 0.22), transparent 68%);
}

.video-product::before {
  background: radial-gradient(circle, rgba(57, 200, 216, 0.26), transparent 68%);
}

.product-card-head {
  position: relative;
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 24px;
  align-items: center;
  margin-bottom: 34px;
}

.product-card-head img {
  width: 112px;
}

.product-label {
  margin-bottom: 5px;
  color: var(--cyan);
  font-size: 10px;
  font-weight: 950;
  letter-spacing: 0.12em;
}

.product-card h3 {
  margin-bottom: 8px;
  font-size: clamp(30px, 3vw, 46px);
  letter-spacing: -0.04em;
}

.product-card-head div > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.6;
}

.deck-preview,
.video-preview {
  min-height: 0;
  margin-bottom: 30px;
  padding: 0;
  background: #080c0f;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 11px;
  box-shadow: inset 0 0 26px rgba(0, 0, 0, 0.8);
}

.product-screen-preview {
  display: block;
  overflow: hidden;
}

.product-screen-preview img {
  width: 100%;
  height: auto;
}

.deck-preview {
  display: grid;
  gap: 10px;
}

.deck {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  align-items: center;
  gap: 14px;
  min-height: 58px;
  padding: 8px 12px;
  background: #141c22;
  border-left: 3px solid var(--cyan);
}

.deck-b {
  border-color: var(--green);
}

.deck b {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  color: #071014;
  background: var(--cyan);
  border-radius: 5px;
}

.deck-b b {
  background: var(--green);
}

.deck em {
  color: #d9e1e6;
  font: 850 13px ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-style: normal;
}

.wave {
  height: 28px;
  background:
    linear-gradient(135deg, transparent 46%, var(--cyan) 47%, var(--cyan) 53%, transparent 54%) 0 0 / 14px 14px,
    linear-gradient(45deg, transparent 46%, rgba(57, 200, 216, 0.55) 47%, rgba(57, 200, 216, 0.55) 53%, transparent 54%) 7px 0 / 14px 14px;
  opacity: 0.8;
  mask-image: linear-gradient(90deg, black, transparent);
}

.deck-b .wave {
  filter: hue-rotate(64deg);
}

.video-preview {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 15px;
  align-items: stretch;
}

.product-screen-preview {
  display: block !important;
  grid-template-columns: none;
}

.program-monitor {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: linear-gradient(145deg, #0c171d, #1d343e);
  border: 2px solid #2f444e;
}

.program-monitor::before,
.program-monitor::after {
  position: absolute;
  content: "";
  background: rgba(57, 200, 216, 0.6);
}

.program-monitor::before {
  width: 130%;
  height: 2px;
  transform: rotate(-35deg);
}

.program-monitor::after {
  width: 2px;
  height: 130%;
  transform: rotate(35deg);
}

.program-monitor span {
  position: absolute;
  left: 6px;
  top: 6px;
  z-index: 1;
  font-size: 7px;
  font-weight: 950;
  letter-spacing: 0.1em;
}

.program-monitor i {
  width: 9px;
  aspect-ratio: 1;
  background: var(--red);
  border-radius: 50%;
  box-shadow: 0 0 14px var(--red);
}

.video-counter {
  display: grid;
  place-content: center;
  padding: 12px;
  text-align: center;
  background: #11181d;
}

.video-counter small {
  color: var(--muted);
  font-size: 8px;
  font-weight: 950;
  letter-spacing: 0.1em;
}

.video-counter strong {
  color: var(--gold);
  font: 900 clamp(24px, 3vw, 42px) ui-monospace, "SFMono-Regular", Menlo, monospace;
  letter-spacing: -0.08em;
}

.product-card ul {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.product-card li {
  display: grid;
  grid-template-columns: minmax(140px, 0.65fr) 1fr;
  gap: 18px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
}

.product-card li:last-child {
  border-bottom: 0;
}

.product-card li strong {
  font-size: 14px;
}

.product-card li span {
  color: var(--muted);
  font-size: 13px;
}

.product-detail-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 26px;
  padding-top: 16px;
  color: var(--cyan);
  border-top: 1px solid var(--line);
  font-size: 14px;
  font-weight: 900;
}

.product-detail-link span {
  font-size: 20px;
  line-height: 0.8;
  transition: transform 160ms ease;
}

.product-detail-link:hover span,
.product-detail-link:focus-visible span {
  transform: translateX(4px);
}

.feature-section {
  padding-bottom: 50px;
}

.screen-guide-section {
  background:
    radial-gradient(circle at 100% 0, rgba(57, 200, 216, 0.11), transparent 32%),
    rgba(8, 12, 15, 0.78);
  border-bottom: 1px solid var(--line);
}

.screen-guide-list {
  display: grid;
  gap: clamp(34px, 6vw, 84px);
}

.screen-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(300px, 0.7fr);
  gap: clamp(24px, 4vw, 52px);
  align-items: start;
  padding: clamp(20px, 3vw, 36px);
  background: linear-gradient(145deg, rgba(24, 34, 41, 0.96), rgba(10, 15, 19, 0.98));
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.video-showcase {
  border-color: rgba(57, 200, 216, 0.26);
}

.sound-showcase {
  border-color: rgba(127, 209, 106, 0.24);
}

.screen-shot-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 16px;
}

.screen-shot-heading span,
.screen-shot-heading > strong {
  color: var(--muted);
  font-size: 9px;
  font-weight: 950;
  letter-spacing: 0.12em;
}

.screen-shot-heading h3 {
  margin: 4px 0 0;
  font-size: clamp(26px, 3vw, 40px);
  letter-spacing: -0.04em;
}

.screen-shot {
  position: relative;
  display: block;
  overflow: hidden;
  background: #030507;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 10px;
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.42);
}

.screen-shot img {
  width: 100%;
  height: auto;
}

.video-screen-pair {
  display: grid;
  gap: 18px;
}

.video-output-pair {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.video-editor-shot {
  margin-top: 18px;
}

.video-screen-pair .screen-shot:first-child {
  border-color: rgba(57, 200, 216, 0.55);
}

.video-screen-pair .screen-shot:last-child {
  border-color: rgba(247, 184, 68, 0.42);
}

.screen-shot > span {
  position: absolute;
  right: 12px;
  bottom: 12px;
  padding: 7px 10px;
  color: #071014;
  background: rgba(247, 250, 252, 0.9);
  border-radius: 5px;
  font-size: 10px;
  font-weight: 950;
  opacity: 0;
  transition: opacity 160ms ease;
}

.screen-shot:hover > span,
.screen-shot:focus-visible > span {
  opacity: 1;
}

.screen-callouts {
  display: grid;
  gap: 0;
  margin: 35px 0 0;
  padding: 0;
  list-style: none;
}

.screen-callouts li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.screen-callouts li:last-child {
  border-bottom: 1px solid var(--line);
}

.screen-callouts li > span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: #071014;
  background: var(--cyan);
  border-radius: 50%;
  font: 950 10px ui-monospace, "SFMono-Regular", Menlo, monospace;
}

.sound-showcase .screen-callouts li > span {
  background: var(--green);
}

.screen-callouts strong {
  display: block;
  margin-bottom: 5px;
  font-size: 14px;
}

.screen-callouts p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.development-note {
  margin: 24px 0 0;
  color: #778690;
  font-size: 12px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.feature-grid article {
  min-height: 270px;
  padding: 26px;
  background: rgba(17, 24, 30, 0.8);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.feature-number {
  display: block;
  margin-bottom: 60px;
  color: var(--cyan);
  font: 900 12px ui-monospace, "SFMono-Regular", Menlo, monospace;
}

.feature-grid h3 {
  margin-bottom: 12px;
  font-size: 20px;
}

.feature-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.license-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(38px, 7vw, 100px);
  align-items: center;
}

.license-note {
  padding: 18px 20px;
  background: rgba(57, 200, 216, 0.08);
  border-left: 3px solid var(--cyan);
  font-size: 14px !important;
}

.license-specs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.license-specs div {
  min-height: 170px;
  padding: 24px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.05), transparent),
    var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.license-specs span,
.license-specs strong,
.license-specs small {
  display: block;
}

.license-specs span {
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 950;
  letter-spacing: 0.1em;
}

.license-specs strong {
  margin-bottom: 5px;
  color: var(--gold);
  font-size: clamp(28px, 4vw, 48px);
  letter-spacing: -0.06em;
}

.license-specs small {
  color: #d2dae0;
  font-weight: 800;
}

.requirements-section {
  background: rgba(15, 21, 26, 0.7);
  border-block: 1px solid var(--line);
}

.requirements-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.requirements-grid article {
  padding: 30px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.requirement-title {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 22px;
}

.requirement-title img {
  width: 58px;
}

.requirement-title h3 {
  margin: 0;
  font-size: 25px;
}

dl {
  margin: 0;
}

dl div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

dt {
  color: var(--muted);
  font-size: 10px;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

dd {
  margin: 0;
  color: #d7e0e5;
  font-size: 14px;
  font-weight: 800;
}

.release-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(310px, 520px);
  gap: 50px;
  align-items: center;
}

.release-section > div:first-child {
  min-width: 0;
}

.release-action {
  display: grid;
  width: 100%;
  min-width: 0;
  padding: 28px;
  background: linear-gradient(145deg, #19242b, #0c1216);
  border: 1px solid rgba(57, 200, 216, 0.26);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.release-action span {
  color: var(--muted);
  font-size: 9px;
  font-weight: 950;
  letter-spacing: 0.1em;
}

.release-version {
  display: grid;
  gap: 4px;
  margin: 14px 0 2px;
  padding: 10px 12px;
  background: rgba(57, 200, 216, 0.08);
  border: 1px solid rgba(57, 200, 216, 0.2);
  border-radius: 8px;
}

.release-version span {
  color: var(--accent);
  font-size: 9px;
}

.release-version strong {
  color: #fff;
  font-size: 16px;
  letter-spacing: 0.02em;
}

.release-price-list {
  display: grid;
  gap: 10px;
  margin: 12px 0 10px;
}

.release-price-list div {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px 12px;
  align-items: end;
  padding: 12px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--line);
  border-radius: 9px;
}

.release-price-list small {
  color: #d2dae0;
  font-size: 10px;
  font-weight: 950;
  letter-spacing: 0.08em;
}

.release-price-list strong {
  grid-row: 1 / 3;
  grid-column: 2;
  color: var(--gold);
  font-size: 30px;
  line-height: 1;
}

.release-price-list em {
  color: var(--muted);
  font-size: 11px;
  font-style: normal;
  font-weight: 800;
}

.release-price-list p {
  grid-column: 1 / -1;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 9px 0 0;
  padding-top: 9px;
  border-top: 1px solid var(--line);
  color: #d2dae0;
  font-size: 12px;
  font-weight: 800;
}

.release-price-list p span {
  color: #d2dae0;
  font-size: 12px;
  letter-spacing: 0;
}

.release-price-list p b {
  color: #fff;
  font-size: 18px;
}

.release-price-note {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 12px;
}

.faq-section {
  padding-top: 50px;
}

.faq-list {
  max-width: 980px;
}

details {
  border-top: 1px solid var(--line);
}

details:last-child {
  border-bottom: 1px solid var(--line);
}

summary {
  padding: 22px 4px;
  cursor: pointer;
  font-size: 17px;
  font-weight: 900;
}

details p {
  max-width: 800px;
  padding: 0 4px 24px;
  color: var(--muted);
  line-height: 1.8;
}

.site-footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  padding: 42px clamp(20px, 5vw, 76px);
  background: #f3f6f7;
  color: #263039;
}

.site-footer img {
  width: 180px;
  margin-bottom: 12px;
}

.site-footer p {
  margin: 0;
  color: #59666f;
  font-size: 13px;
  font-weight: 750;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
  color: #54616a;
  font-size: 12px;
  font-weight: 850;
}

@media (max-width: 1100px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-operation {
    transform: none;
  }

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

  .screen-showcase {
    grid-template-columns: 1fr;
  }

  .screen-callouts {
    grid-template-columns: repeat(2, 1fr);
    gap: 0 24px;
    margin-top: 0;
  }
}

@media (max-width: 820px) {
  .site-header {
    grid-template-columns: 1fr auto;
    gap: 18px;
  }

  nav {
    display: none;
  }

  .product-grid,
  .license-section,
  .requirements-grid,
  .release-section {
    grid-template-columns: 1fr;
  }

  .release-action {
    min-width: 0;
  }
}

@media (max-width: 560px) {
  .site-header {
    gap: 8px;
    min-height: 68px;
    padding-inline: 15px;
  }

  .brand img {
    width: clamp(120px, 36vw, 138px);
  }

  .header-actions {
    gap: 4px;
  }

  .language-switch {
    padding: 7px 5px;
    font-size: 10px;
  }

  .language-switch[aria-current="page"] {
    display: none;
  }

  .header-cta {
    padding: 9px 11px;
    font-size: 11px;
  }

  .hero {
    min-height: auto;
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .release-ad-strip {
    padding: 14px 16px;
  }

  .release-ad-strip-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .release-ad-strip-grid {
    grid-auto-columns: min(84vw, 340px);
    gap: 12px;
  }

  h1 {
    font-size: clamp(42px, 13vw, 56px);
  }

  .hero-search-title {
    font-size: clamp(42px, 13vw, 56px);
  }

  html[lang="ja"] .hero-search-title .hero-title-line--accent {
    white-space: nowrap;
    font-size: clamp(34px, 10.8vw, 44px);
  }

  html[lang="en"] .hero h1 {
    font-size: clamp(32px, 9vw, 40px);
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-facts {
    gap: 10px;
  }

  .hero-facts div {
    min-width: 0;
  }

  .product-card-head {
    grid-template-columns: 78px 1fr;
    gap: 16px;
  }

  .product-card-head img {
    width: 78px;
  }

  .product-card li {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .feature-grid,
  .license-specs,
  .requirements-grid {
    grid-template-columns: 1fr;
  }

  .license-specs div {
    min-height: 0;
    padding: 20px;
  }

  .license-specs span {
    margin-bottom: 12px;
  }

  .screen-showcase {
    padding: 14px;
  }

  .screen-shot-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .video-output-pair {
    grid-template-columns: 1fr;
  }

  .screen-callouts {
    grid-template-columns: 1fr;
  }

  .screen-shot > span {
    display: none;
  }

  .feature-grid article {
    min-height: 220px;
  }

  .feature-number {
    margin-bottom: 34px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 360px) {
  .product-card-head {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .product-card-head img {
    width: 64px;
  }

  .product-card h3 {
    font-size: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* English purchase view: this is external because the public site blocks inline CSS. */
#purchase-content {
  display: none !important;
}

#purchase-mode {
  display: none !important;
}

#purchase-mode:target ~ .site-header {
  display: none !important;
}

#purchase-mode:target ~ main > *:not(#purchase-content) {
  display: none !important;
}

#purchase-mode:target ~ main > #purchase-content {
  display: block !important;
}