:root {
  --ink: #eef8f6;
  --muted: rgba(238, 248, 246, 0.68);
  --line: rgba(238, 248, 246, 0.12);
  --paper: #05090d;
  --white: #ffffff;
  --aqua: #39c4c5;
  --blue: #4bb9ff;
  --gold: #c39b4d;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", "Inter", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.75;
}

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(34px);
    transition:
      opacity 760ms ease,
      transform 760ms cubic-bezier(0.2, 0.72, 0.2, 1);
  }

  .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 56px);
  color: var(--white);
  transition: background 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  color: var(--white);
  background: rgba(5, 9, 13, 0.84);
  box-shadow: 0 1px 0 var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.brand-logo {
  display: block;
  width: clamp(190px, 21vw, 260px);
  height: auto;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.46);
  border-radius: 50%;
  font-family: "Inter", sans-serif;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.12);
}

.is-scrolled .brand-mark {
  border-color: rgba(75, 185, 255, 0.34);
  background: rgba(75, 185, 255, 0.08);
}

.brand-name,
.brand-domain {
  display: block;
  white-space: nowrap;
}

.brand-name {
  font-weight: 800;
  letter-spacing: 0;
}

.brand-domain {
  font-family: "Inter", sans-serif;
  font-size: 14px;
  font-weight: 800;
  opacity: 0.86;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(10px, 1.7vw, 24px);
  flex-wrap: wrap;
  font-family: "Inter", sans-serif;
  font-size: 14px;
  font-weight: 700;
}

.site-nav a,
.language-option {
  opacity: 0.88;
}

.site-nav a:hover,
.language-option:hover {
  opacity: 1;
}

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 4px 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.74);
  background: rgba(255, 255, 255, 0.055);
  backdrop-filter: blur(14px);
}

.language-option {
  appearance: none;
  -webkit-appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  border: 0;
  border-radius: 0;
  padding: 0;
  color: inherit;
  font: inherit;
  cursor: pointer;
  background: transparent;
  box-shadow: none;
  text-decoration: none;
}

.language-option.is-active {
  color: var(--blue);
  opacity: 1;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 76% 46%, rgba(75, 185, 255, 0.22), transparent 30%),
    linear-gradient(135deg, #03070b 0%, #071017 52%, #0b1118 100%);
}

.hero-symbol {
  position: absolute;
  right: clamp(-320px, -14vw, -120px);
  top: 48%;
  width: clamp(620px, 72vw, 1060px);
  aspect-ratio: 1;
  transform: translateY(-50%) rotate(-10deg);
  border: 1px solid rgba(75, 185, 255, 0.32);
  border-radius: 28%;
  background:
    linear-gradient(135deg, rgba(75, 185, 255, 0.16), rgba(57, 196, 197, 0.035) 42%, rgba(255, 255, 255, 0.018)),
    radial-gradient(circle at 34% 24%, rgba(150, 225, 255, 0.34), transparent 24%);
  box-shadow:
    inset 0 0 54px rgba(75, 185, 255, 0.08),
    0 0 80px rgba(75, 185, 255, 0.22),
    0 0 220px rgba(57, 196, 197, 0.16);
  opacity: 0.82;
}

.hero-symbol::before,
.hero-symbol::after {
  content: "";
  position: absolute;
  border-radius: 24%;
}

.hero-symbol::before {
  inset: 18%;
  border: 2px solid rgba(126, 218, 255, 0.42);
  box-shadow: inset 0 0 34px rgba(75, 185, 255, 0.12);
}

.hero-symbol::after {
  left: 50%;
  top: 50%;
  width: 31%;
  height: 31%;
  border: 2px solid rgba(238, 248, 246, 0.78);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow:
    0 0 26px rgba(75, 185, 255, 0.44),
    inset 0 0 18px rgba(75, 185, 255, 0.18);
}

.symbol-ring,
.symbol-line,
.symbol-dot {
  position: absolute;
  display: block;
}

.symbol-ring {
  left: 22%;
  top: 22%;
  width: 24%;
  height: 24%;
  border: 2px solid rgba(126, 218, 255, 0.74);
  border-radius: 16%;
  box-shadow: 0 0 22px rgba(75, 185, 255, 0.32);
}

.symbol-line {
  left: 27%;
  top: 62%;
  width: 48%;
  height: 3px;
  background: linear-gradient(90deg, rgba(126, 218, 255, 0), rgba(126, 218, 255, 0.82), rgba(126, 218, 255, 0));
  transform: rotate(38deg);
  transform-origin: center;
  box-shadow: 0 0 18px rgba(75, 185, 255, 0.45);
}

.symbol-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #8ee6ff;
  box-shadow: 0 0 26px rgba(75, 185, 255, 0.82);
}

.dot-one {
  right: 23%;
  top: 25%;
}

.dot-two {
  left: 24%;
  bottom: 22%;
  width: 10px;
  height: 10px;
  background: #4bb9ff;
  box-shadow: 0 0 24px rgba(75, 185, 255, 0.78);
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 12, 18, 0.78) 0%, rgba(5, 12, 18, 0.42) 44%, rgba(5, 12, 18, 0.08) 78%),
    linear-gradient(0deg, rgba(5, 12, 18, 0.62) 0%, rgba(5, 12, 18, 0) 42%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(900px, calc(100% - 40px));
  margin-left: clamp(20px, 7vw, 108px);
  padding-top: 74px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 16px;
  font-family: "Inter", sans-serif;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--gold);
}

.hero h1 {
  margin: 0;
  max-width: 900px;
  font-size: clamp(30px, 4.1vw, 56px);
  line-height: 1.28;
  letter-spacing: 0;
}

.hero h1 span {
  display: block;
  white-space: nowrap;
}

html[lang="en"] .hero h1 span {
  white-space: normal;
}

.lead {
  max-width: 560px;
  margin: 24px 0 0;
  font-size: clamp(15px, 1.55vw, 18px);
  color: rgba(255, 255, 255, 0.88);
}

.hero-note {
  max-width: 760px;
  margin: 26px 0 0;
  color: rgba(238, 248, 246, 0.68);
  font-size: clamp(13px, 1.25vw, 16px);
  line-height: 1.9;
}

.hero-note span {
  display: block;
}

.hero-notice {
  width: fit-content;
  margin: 3.8em 0 0;
  padding: 9px 13px;
  border-left: 2px solid rgba(75, 185, 255, 0.62);
  color: rgba(238, 248, 246, 0.58);
  font-size: 13px;
  line-height: 1.7;
  background: rgba(75, 185, 255, 0.055);
}

.hero-status {
  position: absolute;
  z-index: 2;
  right: clamp(20px, 5vw, 64px);
  bottom: 28px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  font-family: "Inter", sans-serif;
  font-size: 12px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.82);
}

.hero-status span {
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.section {
  padding: clamp(72px, 10vw, 128px) clamp(20px, 4vw, 56px);
}

.section-inner {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.split,
.contact-layout,
.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(32px, 7vw, 86px);
  align-items: start;
}

.section h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.22;
  letter-spacing: 0;
}

.section p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.intro {
  background:
    radial-gradient(circle at 82% 18%, rgba(75, 185, 255, 0.08), transparent 30%),
    linear-gradient(180deg, #05090d 0%, #091017 100%);
}

.site-about {
  padding: clamp(72px, 9vw, 112px) clamp(20px, 7vw, 108px);
  color: var(--white);
  background:
    radial-gradient(circle at 82% 24%, rgba(75, 185, 255, 0.09), transparent 28%),
    linear-gradient(180deg, #05090d 0%, #071017 100%);
}

.site-about-inner {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(320px, 1.28fr);
  gap: clamp(28px, 6vw, 82px);
  align-items: start;
  width: min(1120px, 100%);
}

.site-about-inner h2 {
  margin: 0;
  max-width: 620px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.22;
}

.site-contact {
  padding: clamp(72px, 9vw, 112px) clamp(20px, 7vw, 108px);
  color: var(--white);
  background:
    radial-gradient(circle at 82% 24%, rgba(255, 146, 38, 0.08), transparent 28%),
    linear-gradient(180deg, #071017 0%, #05090d 100%);
  border-top: 1px solid var(--line);
}

.contact-address {
  color: rgba(238, 248, 246, 0.9);
  font-family: "Inter", "Noto Sans JP", sans-serif;
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 800;
  word-break: break-word;
}

.contact-form-link {
  margin-top: 20px;
}

.contact-page {
  min-height: 100svh;
  color: var(--white);
  background:
    radial-gradient(circle at 82% 22%, rgba(255, 146, 38, 0.09), transparent 28%),
    radial-gradient(circle at 16% 72%, rgba(75, 185, 255, 0.08), transparent 30%),
    linear-gradient(180deg, #05090d 0%, #071017 100%);
}

.contact-hero {
  min-height: 100svh;
  display: grid;
  align-items: center;
  padding-top: clamp(112px, 13vw, 156px);
}

.contact-page-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.78fr) minmax(320px, 1.22fr);
  gap: clamp(30px, 6vw, 80px);
  align-items: start;
}

.contact-page h1 {
  margin: 0 0 22px;
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1.1;
  word-break: keep-all;
  overflow-wrap: normal;
}

.contact-page p {
  max-width: 560px;
  color: rgba(238, 248, 246, 0.72);
  line-height: 1.9;
}

.contact-page-note {
  margin-top: 18px;
  font-size: 14px;
}

.contact-panel {
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(9, 17, 23, 0.78);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.26);
  backdrop-filter: blur(16px);
}

.contact-form {
  display: grid;
  gap: 18px;
}

.form-field {
  display: grid;
  gap: 8px;
  color: rgba(238, 248, 246, 0.86);
  font-size: 13px;
  font-weight: 800;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 0;
  padding: 13px 14px;
  color: var(--white);
  font: inherit;
  font-weight: 600;
  background: rgba(5, 9, 13, 0.86);
  outline: none;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: rgba(75, 185, 255, 0.76);
  box-shadow: 0 0 0 3px rgba(75, 185, 255, 0.14);
}

.form-field textarea {
  resize: vertical;
  min-height: 180px;
}

.form-hidden {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-help {
  color: rgba(238, 248, 246, 0.54);
  font-size: 12px;
  line-height: 1.7;
}

.form-submit {
  width: fit-content;
  margin-top: 2px;
  border: 0;
  cursor: pointer;
}

.form-status {
  margin-bottom: 22px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.055);
}

.form-status h2 {
  margin: 0 0 10px;
  font-size: 20px;
}

.form-status p,
.form-status li {
  color: rgba(238, 248, 246, 0.76);
  font-size: 14px;
  line-height: 1.8;
}

.form-status ul {
  display: grid;
  gap: 4px;
  margin: 0;
  padding-left: 1.2em;
}

.form-status.is-success {
  border-color: rgba(75, 185, 255, 0.32);
}

.form-status.is-error {
  border-color: rgba(255, 146, 38, 0.38);
}

.site-history {
  padding: clamp(56px, 7vw, 88px) clamp(20px, 7vw, 108px);
  color: var(--white);
  background: #05090d;
  border-top: 1px solid var(--line);
}

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

.history-list li {
  display: flex;
  gap: 16px;
  align-items: baseline;
  color: rgba(238, 248, 246, 0.72);
  font-size: 15px;
  line-height: 1.7;
}

.history-list time {
  flex: 0 0 auto;
  color: var(--blue);
  font-family: "Inter", sans-serif;
  font-weight: 800;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 36px;
}

.service {
  background:
    linear-gradient(180deg, #091017 0%, #05090d 100%);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.service-item {
  min-height: 300px;
  padding: clamp(24px, 4vw, 38px);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.025));
}

.item-number {
  display: inline-block;
  margin-bottom: 44px;
  font-family: "Inter", sans-serif;
  color: var(--blue);
  font-weight: 800;
}

.service-item h3 {
  margin: 0 0 14px;
  font-size: 24px;
}

.works {
  padding: 0;
  color: var(--white);
  background: #071017;
  overflow: clip;
}

.works .section-inner {
  width: 100%;
  max-width: none;
}

.works-layout {
  display: block;
}

.developing {
  padding: 0;
  color: var(--white);
  background: #071017;
  overflow: clip;
}

.developing .section-inner {
  width: 100%;
  max-width: none;
}

.works-heading.developing-heading {
  background:
    radial-gradient(circle at 82% 32%, rgba(38, 211, 166, 0.13), transparent 24%),
    linear-gradient(135deg, #071017 0%, #111b20 100%);
}

.works-heading {
  min-height: auto;
  display: grid;
  align-content: center;
  padding: clamp(48px, 6vw, 76px) clamp(20px, 7vw, 108px) clamp(22px, 3vw, 34px);
  background:
    radial-gradient(circle at 84% 34%, rgba(57, 196, 197, 0.12), transparent 24%),
    linear-gradient(135deg, #071017 0%, #101820 100%);
}

.works-heading p:not(.section-kicker) {
  max-width: 440px;
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.72);
}

.works-heading h2 {
  max-width: 760px;
  color: var(--white);
}

.section-jump {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-top: 18px;
  color: var(--aqua);
  font-family: "Inter", "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-weight: 800;
}

.section-jump::after {
  content: "";
  width: 18px;
  height: 1px;
  margin-left: 10px;
  background: currentColor;
}

.work-slide {
  position: sticky;
  top: 0;
  min-height: 100svh;
  display: grid;
  align-content: center;
  padding: clamp(88px, 10vw, 132px) clamp(20px, 7vw, 108px);
  border: 0;
  border-radius: 0;
  background:
    radial-gradient(circle at 76% 40%, rgba(57, 196, 197, 0.14), transparent 28%),
    linear-gradient(135deg, #091117 0%, #121b21 58%, #081016 100%);
  box-shadow: none;
}

.work-slide h3 {
  margin: 0;
  color: var(--white);
  font-size: clamp(34px, 5vw, 68px);
  line-height: 1.08;
}

.product-title {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.4vw, 16px);
  margin-bottom: 18px;
}

.product-title img {
  width: clamp(42px, 4.8vw, 58px);
  height: clamp(42px, 4.8vw, 58px);
  flex: 0 0 auto;
  border-radius: 20%;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
}

.product-accent {
  color: #ff9226;
}

.text-product-title {
  margin-bottom: 18px;
}

.crosssql-title {
  display: inline-flex;
  align-items: baseline;
}

.crosssql-title span:nth-child(1),
.crosssql-title span:nth-child(7) {
  color: #f8fffc;
}

.crosssql-title span:nth-child(2),
.crosssql-title span:nth-child(6) {
  color: #bdf7e5;
}

.crosssql-title span:nth-child(3) {
  color: #68ecc4;
}

.crosssql-title span:nth-child(4) {
  color: #32dca9;
}

.crosssql-title span:nth-child(5) {
  color: #00b879;
}

.work-slide p {
  max-width: 620px;
  color: rgba(255, 255, 255, 0.72);
}

.product-slide {
  display: grid;
  grid-template-columns: minmax(280px, 0.74fr) minmax(420px, 1.26fr);
  gap: clamp(30px, 6vw, 88px);
  align-items: center;
}

.product-copy {
  grid-column: 1;
  grid-row: 1;
  min-width: 0;
}

.product-status {
  margin: 0 0 10px;
  color: var(--aqua);
  font-size: 13px;
  font-weight: 800;
}

.developing-status {
  color: #26d3a6;
}

.developing-note {
  margin-top: 24px;
  color: rgba(238, 248, 246, 0.54);
  font-size: 13px;
  font-weight: 700;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.product-tags span {
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.76);
  font-family: "Inter", sans-serif;
  font-size: 12px;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.06);
}

.product-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 30px;
  min-height: 54px;
  padding: 14px 22px;
  border: 1px solid rgba(255, 146, 38, 0.72);
  border-radius: 999px;
  color: #12100c;
  font-size: clamp(16px, 1.35vw, 20px);
  font-weight: 800;
  background: linear-gradient(135deg, #ffb14a, #ff7d1f);
  box-shadow: 0 16px 34px rgba(255, 125, 31, 0.22);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease;
}

.product-link::after {
  content: "";
  width: 20px;
  height: 2px;
  margin-left: 12px;
  background: currentColor;
  transition: transform 180ms ease;
}

.product-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 42px rgba(255, 125, 31, 0.3);
}

.product-link:hover::after {
  transform: translateX(6px);
}

.product-notes {
  display: grid;
  gap: 6px;
  max-width: 620px;
  margin: 18px 0 0;
  padding: 0;
  color: rgba(238, 248, 246, 0.56);
  font-size: 12px;
  line-height: 1.7;
  list-style: none;
}

.product-notes li {
  position: relative;
  padding-left: 14px;
}

.product-notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(75, 185, 255, 0.74);
}

.product-action {
  margin-top: 30px;
}

.product-action .product-link {
  margin-top: 0;
}

.product-action .product-store-link {
  margin-top: 12px;
}

.product-store-link {
  border-color: rgba(96, 208, 255, 0.62);
  color: #eafcff;
  background: linear-gradient(135deg, rgba(26, 72, 104, 0.94), rgba(21, 138, 184, 0.92));
  box-shadow: 0 16px 34px rgba(49, 164, 218, 0.2);
}

.product-store-link:hover {
  box-shadow: 0 20px 42px rgba(49, 164, 218, 0.28);
}

.product-detail-link {
  display: flex;
  align-items: center;
  width: fit-content;
  margin-top: 18px;
  color: var(--aqua);
  font-family: "Inter", "Noto Sans JP", sans-serif;
  font-size: 16px;
  font-weight: 800;
}

.product-detail-link::after {
  content: "";
  width: 16px;
  height: 1px;
  margin-left: 9px;
  background: currentColor;
  transition: transform 180ms ease;
}

.product-detail-link:hover::after {
  transform: translateX(5px);
}

.store-section-link {
  margin: 6px 0 18px;
}

.product-preview {
  position: relative;
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 0;
  background: #101820;
  box-shadow: -34px 34px 80px rgba(0, 0, 0, 0.32);
}

.product-preview::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(9, 17, 23, 0.82) 0%, rgba(9, 17, 23, 0.46) 32%, rgba(9, 17, 23, 0.06) 68%),
    radial-gradient(circle at 18% 24%, rgba(195, 155, 77, 0.2), transparent 34%),
    linear-gradient(135deg, rgba(57, 196, 197, 0.1), transparent 42%);
  mix-blend-mode: multiply;
}

.product-preview::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 6px 6px;
  opacity: 0.16;
}

.product-preview img {
  display: block;
  width: 100%;
  min-height: min(64svh, 620px);
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center;
}

.developing-slide {
  background:
    radial-gradient(circle at 78% 42%, rgba(38, 211, 166, 0.12), transparent 28%),
    linear-gradient(135deg, #071017 0%, #101820 56%, #071017 100%);
}

.developing-preview {
  background: #0b1218;
  box-shadow: -34px 34px 80px rgba(0, 0, 0, 0.36);
}

.developing-preview::before {
  background:
    linear-gradient(90deg, rgba(7, 16, 23, 0.78) 0%, rgba(7, 16, 23, 0.38) 36%, rgba(7, 16, 23, 0.1) 72%),
    radial-gradient(circle at 22% 20%, rgba(38, 211, 166, 0.2), transparent 34%),
    linear-gradient(135deg, rgba(57, 196, 197, 0.12), transparent 46%);
}

.developing-preview img {
  min-height: min(58svh, 560px);
  object-fit: contain;
  object-position: center;
  padding: clamp(16px, 2vw, 28px);
  background:
    linear-gradient(135deg, rgba(7, 16, 23, 0.96), rgba(10, 21, 27, 0.88)),
    #071017;
}

.open-source {
  padding: clamp(72px, 9vw, 116px) clamp(20px, 7vw, 108px);
  color: var(--white);
  background:
    radial-gradient(circle at 18% 28%, rgba(75, 185, 255, 0.12), transparent 30%),
    radial-gradient(circle at 84% 62%, rgba(38, 211, 166, 0.08), transparent 28%),
    linear-gradient(180deg, #071017 0%, #05090d 100%);
  border-top: 1px solid var(--line);
}

.open-source-layout {
  display: grid;
  gap: clamp(28px, 5vw, 58px);
}

.open-source-copy {
  display: grid;
  grid-template-columns: minmax(240px, 0.7fr) minmax(320px, 1.3fr);
  gap: clamp(28px, 6vw, 82px);
  align-items: end;
}

.open-source-copy h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.22;
}

.open-source-copy p:not(.section-kicker) {
  max-width: 620px;
  color: rgba(238, 248, 246, 0.7);
  line-height: 1.9;
}

.open-source-project {
  display: grid;
  grid-template-columns: minmax(280px, 0.66fr) minmax(420px, 1.34fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
}

.open-source-project + .open-source-project {
  margin-top: clamp(54px, 8vw, 108px);
}

.open-source-project h3 {
  margin: 0 0 16px;
  color: var(--white);
  font-size: clamp(34px, 4.6vw, 64px);
  line-height: 1.05;
}

.open-source-project p {
  max-width: 620px;
  color: rgba(238, 248, 246, 0.72);
  line-height: 1.9;
}

.open-source-status {
  color: #78a9ff;
}

.open-source-link {
  margin-top: 24px;
}

.open-source-preview-stack {
  position: relative;
  min-height: clamp(320px, 52svh, 560px);
  isolation: isolate;
}

.open-source-preview {
  position: relative;
  display: block;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: inherit;
  font: inherit;
  text-align: left;
  background: #0d1420;
  box-shadow: -28px 30px 80px rgba(0, 0, 0, 0.34);
}

button.open-source-preview {
  width: 100%;
  padding: 0;
  cursor: pointer;
  appearance: none;
}

.stacked-preview-card {
  position: absolute;
  inset: 0;
  transform-origin: center;
  transition:
    transform 220ms ease,
    filter 220ms ease,
    box-shadow 220ms ease;
}

.stacked-preview-card:not(.is-active) {
  filter: brightness(0.62) saturate(0.8);
  box-shadow: -18px 22px 54px rgba(0, 0, 0, 0.26);
}

.stacked-preview-card.is-active {
  z-index: 8;
  transform: translate(0, 0) scale(1);
  filter: none;
  box-shadow: -34px 34px 92px rgba(0, 0, 0, 0.42);
}

.stacked-preview-card[data-stack-position="1"] {
  z-index: 5;
  transform: translate(64px, 44px) scale(0.93);
}

.stacked-preview-card[data-stack-position="2"] {
  z-index: 4;
  transform: translate(128px, 88px) scale(0.86);
}

.stacked-preview-card:focus-visible {
  outline: 2px solid rgba(96, 208, 255, 0.86);
  outline-offset: 5px;
}

.open-source-preview::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(7, 16, 23, 0.62) 0%, rgba(7, 16, 23, 0.26) 42%, rgba(7, 16, 23, 0.08) 100%),
    radial-gradient(circle at 20% 22%, rgba(75, 185, 255, 0.2), transparent 32%),
    linear-gradient(135deg, rgba(7, 16, 23, 0.22), rgba(5, 9, 13, 0.16));
}

.open-source-preview::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 6px 6px;
  opacity: 0.12;
}

.open-source-preview img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  aspect-ratio: 16 / 8.5;
  object-fit: cover;
  object-position: top center;
}

.open-source-preview-single img {
  min-height: clamp(280px, 42svh, 480px);
  object-fit: cover;
}

.lce-preview {
  background: #f7fbff;
}

.lce-preview::before {
  background:
    linear-gradient(90deg, rgba(7, 16, 23, 0.2) 0%, rgba(7, 16, 23, 0.06) 42%, rgba(7, 16, 23, 0.02) 100%),
    radial-gradient(circle at 76% 20%, rgba(75, 185, 255, 0.16), transparent 34%);
}

.preview-caption {
  position: absolute;
  right: clamp(12px, 1.6vw, 22px);
  bottom: clamp(12px, 1.6vw, 22px);
  z-index: 3;
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(238, 248, 246, 0.72);
  font-size: 12px;
  font-weight: 700;
  background: rgba(5, 10, 14, 0.72);
  backdrop-filter: blur(10px);
}

.about {
  color: var(--white);
  background:
    radial-gradient(circle at 18% 28%, rgba(75, 185, 255, 0.08), transparent 32%),
    #071017;
}

.about .section-kicker,
.about p {
  color: rgba(255, 255, 255, 0.74);
}

.about-panel {
  position: relative;
}

.about-panel::after {
  content: "";
  display: block;
  width: min(280px, 70%);
  height: 2px;
  margin-top: 34px;
  background: linear-gradient(90deg, var(--aqua), var(--gold));
}

.about-copy {
  display: grid;
  gap: 22px;
}

.contact {
  color: var(--white);
  background:
    radial-gradient(circle at 78% 28%, rgba(57, 196, 197, 0.1), transparent 28%),
    linear-gradient(180deg, #071017 0%, #05090d 100%);
}

.contact-layout {
  align-items: center;
}

.contact-layout p {
  max-width: 560px;
  margin-top: 18px;
}

.contact-link {
  display: flex;
  min-height: 88px;
  align-items: center;
  justify-content: center;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--white);
  font-family: "Inter", sans-serif;
  font-size: clamp(18px, 2.4vw, 28px);
  font-weight: 800;
  background: rgba(255, 255, 255, 0.055);
  box-shadow: var(--shadow);
  word-break: break-word;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 28px clamp(20px, 4vw, 56px);
  color: rgba(255, 255, 255, 0.76);
  background: #05090d;
  font-family: "Inter", "Noto Sans JP", sans-serif;
  font-size: 14px;
}

.product-about-page {
  color: var(--white);
  background: #05090d;
}

.product-about-hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: clamp(96px, 10vw, 140px) clamp(20px, 5vw, 72px) clamp(56px, 8vw, 96px) clamp(20px, 7vw, 108px);
  background:
    radial-gradient(circle at 78% 32%, rgba(75, 185, 255, 0.22), transparent 30%),
    linear-gradient(135deg, #05090d 0%, #0b151c 52%, #05090d 100%);
}

.product-about-symbol {
  position: absolute;
  right: clamp(-220px, -9vw, -96px);
  top: 46%;
  width: clamp(520px, 52vw, 860px);
  aspect-ratio: 1;
  transform: translateY(-50%) rotate(-8deg);
  border: 1px solid rgba(75, 185, 255, 0.2);
  border-radius: 26%;
  background:
    radial-gradient(circle at 40% 34%, rgba(255, 146, 38, 0.18), transparent 24%),
    linear-gradient(135deg, rgba(75, 185, 255, 0.14), rgba(57, 196, 197, 0.035));
  box-shadow:
    inset 0 0 54px rgba(75, 185, 255, 0.08),
    0 0 170px rgba(75, 185, 255, 0.18);
}

.product-about-symbol::before,
.product-about-symbol::after {
  content: "";
  position: absolute;
  border-radius: 50%;
}

.product-about-symbol::before {
  left: 22%;
  top: 22%;
  width: 34%;
  height: 34%;
  border: 2px solid rgba(126, 218, 255, 0.36);
}

.product-about-symbol::after {
  right: 18%;
  bottom: 20%;
  width: 18%;
  height: 18%;
  background: rgba(255, 146, 38, 0.18);
  box-shadow: 0 0 44px rgba(255, 146, 38, 0.16);
}

.product-about-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(320px, 0.6fr) minmax(500px, 1.4fr);
  gap: clamp(78px, 10vw, 168px);
  align-items: center;
  width: min(1400px, 100%);
  margin: 0 auto;
}

.product-about-copy {
  min-width: 0;
}

.product-about-title {
  margin-bottom: 24px;
}

.product-about-title h1 {
  margin: 0;
  font-size: clamp(38px, 5vw, 72px);
  line-height: 1.02;
}

.product-about-title img {
  width: clamp(48px, 5vw, 68px);
  height: clamp(48px, 5vw, 68px);
}

.product-about-lead {
  max-width: 620px;
  margin-bottom: 18px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(17px, 1.7vw, 21px);
  line-height: 1.75;
}

.product-about-preview img {
  min-height: min(58svh, 620px);
}

.product-about-hero .product-about-preview {
  transform: translateX(clamp(28px, 5vw, 88px));
}

.product-about-section {
  padding: clamp(72px, 10vw, 132px) clamp(20px, 7vw, 108px);
  background:
    radial-gradient(circle at 82% 20%, rgba(57, 196, 197, 0.08), transparent 26%),
    linear-gradient(180deg, #05090d 0%, #091117 100%);
}

.product-about-section:nth-of-type(odd) {
  background:
    radial-gradient(circle at 18% 20%, rgba(75, 185, 255, 0.08), transparent 28%),
    linear-gradient(180deg, #091117 0%, #05090d 100%);
}

.product-about-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(320px, 1.28fr);
  gap: clamp(28px, 6vw, 82px);
  align-items: start;
}

.product-about-grid h2 {
  margin: 0;
  max-width: 620px;
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.2;
}

.product-about-text {
  display: grid;
  gap: 20px;
}

.product-about-text p {
  margin: 0;
  color: rgba(238, 248, 246, 0.72);
  font-size: 16px;
  line-height: 1.95;
}

.product-about-text .inline-notice {
  width: fit-content;
  padding: 9px 13px;
  border-left: 2px solid rgba(255, 146, 38, 0.72);
  color: rgba(238, 248, 246, 0.76);
  font-size: 13px;
  line-height: 1.7;
  background: rgba(255, 146, 38, 0.08);
}

.process-figure {
  position: relative;
  grid-column: 1 / -1;
  margin: clamp(22px, 4vw, 44px) 0 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: #101820;
  box-shadow: -24px 28px 70px rgba(0, 0, 0, 0.28);
}

.process-figure::before,
.process-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.process-figure::before {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(5, 9, 13, 0.52), rgba(5, 9, 13, 0.08) 52%, rgba(5, 9, 13, 0.36)),
    radial-gradient(circle at 18% 28%, rgba(75, 185, 255, 0.2), transparent 28%),
    radial-gradient(circle at 72% 64%, rgba(255, 146, 38, 0.14), transparent 28%);
  mix-blend-mode: multiply;
}

.process-figure::after {
  z-index: 2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 7px 7px;
  opacity: 0.14;
}

.process-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 8.8;
  object-fit: cover;
  object-position: center;
}

.process-figure figcaption {
  position: absolute;
  z-index: 3;
  left: clamp(18px, 3vw, 32px);
  bottom: clamp(16px, 2.4vw, 28px);
  max-width: 520px;
  margin: 0;
  padding: 9px 13px;
  border-left: 2px solid rgba(75, 185, 255, 0.62);
  color: rgba(238, 248, 246, 0.78);
  font-size: 13px;
  line-height: 1.7;
  background: rgba(5, 9, 13, 0.62);
  backdrop-filter: blur(12px);
}

.feature-panel-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.feature-panel {
  min-height: 280px;
  padding: clamp(22px, 3vw, 34px);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.058), rgba(255, 255, 255, 0.022));
}

.feature-panel h3 {
  margin: 0 0 16px;
  color: var(--white);
  font-size: 20px;
  line-height: 1.42;
}

.feature-panel p {
  margin: 0;
  color: rgba(238, 248, 246, 0.66);
  font-size: 14px;
  line-height: 1.85;
}

.feature-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 260px);
  gap: clamp(24px, 5vw, 58px);
  align-items: center;
  margin-top: clamp(28px, 5vw, 56px);
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background:
    radial-gradient(circle at 86% 28%, rgba(255, 146, 38, 0.12), transparent 30%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.052), rgba(255, 255, 255, 0.022));
}

.feature-showcase h3 {
  max-width: 680px;
  margin: 0 0 16px;
  color: var(--white);
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.26;
}

.feature-showcase p:not(.section-kicker) {
  max-width: 720px;
  margin: 0;
  color: rgba(238, 248, 246, 0.7);
  font-size: 15px;
  line-height: 1.9;
}

.ui-panel-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: #101820;
  box-shadow: -18px 22px 54px rgba(0, 0, 0, 0.28);
}

.ui-panel-figure::before,
.ui-panel-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.ui-panel-figure::before {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(5, 9, 13, 0.36), rgba(5, 9, 13, 0.04)),
    radial-gradient(circle at 18% 40%, rgba(255, 146, 38, 0.22), transparent 34%);
  mix-blend-mode: multiply;
}

.ui-panel-figure::after {
  z-index: 2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 6px 6px;
  opacity: 0.12;
}

.ui-panel-figure img {
  display: block;
  width: 100%;
  min-height: 360px;
  object-fit: cover;
  object-position: center;
}

.ui-panel-figure-wide img {
  aspect-ratio: 1 / 0.92;
  min-height: 0;
}

.wide-ui-figure {
  position: relative;
  grid-column: 1 / -1;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: #101820;
  box-shadow: -24px 28px 70px rgba(0, 0, 0, 0.28);
}

.wide-ui-figure::before,
.wide-ui-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.wide-ui-figure::before {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(5, 9, 13, 0.5), rgba(5, 9, 13, 0.04) 50%, rgba(5, 9, 13, 0.34)),
    radial-gradient(circle at 28% 32%, rgba(255, 146, 38, 0.18), transparent 28%),
    radial-gradient(circle at 72% 64%, rgba(75, 185, 255, 0.14), transparent 28%);
  mix-blend-mode: multiply;
}

.wide-ui-figure::after {
  z-index: 2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 7px 7px;
  opacity: 0.13;
}

.wide-ui-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9.8;
  object-fit: cover;
  object-position: center;
}

.output-format-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.output-sample-figure {
  position: relative;
  width: min(100%, 340px);
  margin: clamp(24px, 4vw, 42px) 0 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: #101820;
  box-shadow: -18px 22px 54px rgba(0, 0, 0, 0.24);
}

.output-sample-figure::before,
.output-sample-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.output-sample-figure::before {
  z-index: 1;
  background:
    radial-gradient(circle at 35% 20%, rgba(255, 146, 38, 0.18), transparent 30%),
    linear-gradient(180deg, rgba(5, 9, 13, 0.04), rgba(5, 9, 13, 0.36));
  mix-blend-mode: multiply;
}

.output-sample-figure::after {
  z-index: 2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 6px 6px;
  opacity: 0.11;
}

.output-sample-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: center;
}

.output-format {
  padding: clamp(22px, 3vw, 32px);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.056), rgba(255, 255, 255, 0.024));
}

.output-format h3 {
  margin: 0 0 8px;
  color: var(--white);
  font-size: 21px;
  line-height: 1.36;
}

.output-format p {
  margin: 0;
  color: rgba(238, 248, 246, 0.66);
  font-size: 14px;
  line-height: 1.85;
}

.output-format .output-format-meta {
  margin-bottom: 14px;
  color: #ffb14a;
  font-family: "Inter", "Noto Sans JP", sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

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

.usecase-list li,
.constraint-list li {
  position: relative;
  padding-left: 18px;
  color: rgba(238, 248, 246, 0.72);
  line-height: 1.85;
}

.usecase-list li::before,
.constraint-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.83em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 14px rgba(75, 185, 255, 0.48);
}

.environment-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.environment-panel {
  padding: clamp(24px, 3.5vw, 38px);
  background:
    radial-gradient(circle at 86% 18%, rgba(75, 185, 255, 0.08), transparent 28%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.056), rgba(255, 255, 255, 0.024));
}

.environment-panel h3 {
  margin: 0 0 26px;
  color: var(--white);
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.2;
}

.environment-group {
  padding-top: 18px;
  margin-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.environment-group:first-of-type {
  padding-top: 0;
  margin-top: 0;
  border-top: 0;
}

.environment-group h4 {
  margin: 0 0 10px;
  color: #ffb14a;
  font-family: "Inter", "Noto Sans JP", sans-serif;
  font-size: 13px;
  font-weight: 800;
}

.environment-group ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.environment-group li {
  position: relative;
  padding-left: 16px;
  color: rgba(238, 248, 246, 0.7);
  font-size: 14px;
  line-height: 1.75;
}

.environment-group li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(75, 185, 255, 0.76);
}

.product-about-closing {
  border-bottom: 1px solid var(--line);
}

@media (max-width: 820px) {
  .site-header {
    padding: 14px 18px;
    gap: 14px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand-logo {
    width: clamp(168px, 48vw, 214px);
  }

  .site-nav {
    gap: 10px;
    font-size: 12px;
  }

  .language-switch {
    min-height: 30px;
    padding: 3px 8px;
    gap: 6px;
  }

  .hero {
    min-height: 88vh;
    align-items: end;
  }

  .hero-symbol {
    right: -250px;
    top: 30%;
    width: 520px;
    opacity: 0.62;
  }

  .hero-scrim {
    background:
      linear-gradient(180deg, rgba(5, 12, 18, 0.08) 0%, rgba(5, 12, 18, 0.94) 64%),
      linear-gradient(90deg, rgba(5, 12, 18, 0.52), rgba(5, 12, 18, 0.08));
  }

  .hero-content {
    width: calc(100% - 36px);
    margin: 0 18px 96px;
    padding-top: 0;
  }

  .hero h1 {
    max-width: 100%;
    font-size: clamp(22px, 5.8vw, 32px);
    line-height: 1.34;
  }

  .hero-status {
    left: 18px;
    right: 18px;
    bottom: 24px;
  }

  .split,
  .contact-layout,
  .about-layout,
  .site-about-inner,
  .service-grid {
    grid-template-columns: 1fr;
  }

  .works-heading {
    min-height: auto;
    padding: 64px 18px 24px;
  }

  .work-slide {
    position: relative;
    min-height: 100svh;
    padding: 86px 18px 64px;
  }

  .product-slide {
    grid-template-columns: 1fr;
    align-content: center;
    gap: 28px;
  }

  .open-source {
    padding: 72px 18px;
  }

  .open-source-copy,
  .open-source-project {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .open-source-preview {
    margin-right: -18px;
    border-right: 0;
  }

  .open-source-preview-stack {
    min-height: 360px;
    margin-right: -18px;
  }

  .open-source-preview-stack .open-source-preview {
    margin-right: 0;
  }

  .stacked-preview-card[data-stack-position="1"] {
    transform: translate(30px, 24px) scale(0.94);
  }

  .stacked-preview-card[data-stack-position="2"] {
    transform: translate(60px, 48px) scale(0.88);
  }

  .stacked-preview-card.is-active {
    transform: translate(0, 0) scale(1);
  }

  .product-copy,
  .product-preview,
  .product-action {
    grid-column: 1;
    grid-row: auto;
  }

  .work-slide h3 {
    font-size: clamp(30px, 9vw, 48px);
  }

  .product-title {
    align-items: flex-start;
  }

  .product-title img {
    width: 42px;
    height: 42px;
  }

  .product-preview {
    margin-right: -18px;
    border-right: 0;
  }

  .product-preview img {
    min-height: 260px;
  }

  .service-item {
    min-height: 230px;
  }

  .item-number {
    margin-bottom: 28px;
  }

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

  .product-about-hero {
    min-height: auto;
    padding: 96px 18px 64px;
  }

  .product-about-symbol {
    right: -220px;
    top: 28%;
    width: 520px;
    opacity: 0.62;
  }

  .product-about-hero-inner,
  .product-about-grid,
  .feature-panel-grid,
  .feature-showcase,
  .output-format-grid,
  .environment-grid,
  .contact-page-grid {
    grid-template-columns: 1fr;
  }

  .contact-hero {
    min-height: auto;
    padding: 96px 18px 64px;
  }

  .contact-panel {
    padding: 18px;
  }

  .product-about-title {
    align-items: flex-start;
  }

  .product-about-title h1 {
    font-size: clamp(34px, 11vw, 52px);
  }

  .product-about-preview {
    margin-right: -18px;
    border-right: 0;
  }

  .product-about-hero .product-about-preview {
    transform: none;
  }

  .product-about-section {
    padding: 72px 18px;
  }

  .process-figure img {
    aspect-ratio: 4 / 3;
  }

  .process-figure figcaption {
    position: relative;
    left: auto;
    bottom: auto;
    max-width: none;
    background: rgba(5, 9, 13, 0.82);
  }

  .feature-panel {
    min-height: auto;
  }

  .ui-panel-figure {
    width: min(100%, 260px);
  }

  .ui-panel-figure img {
    min-height: auto;
  }

  .wide-ui-figure img {
    aspect-ratio: 4 / 3;
  }
}

@media (max-width: 520px) {
  .site-nav a:nth-child(n + 3) {
    display: none;
  }

}

@media (max-width: 640px) {
  .product-action .product-link {
    width: min(100%, 360px);
  }

  .product-action {
    margin-top: 0;
  }

  .product-action .product-notes {
    max-width: 100%;
    margin-top: 16px;
  }
}