:root {
  color-scheme: light;
  --background: #f7f9fb;
  --surface: #edf3f5;
  --foreground: #172d42;
  --muted-foreground: #526574;
  --border: #d5dfe5;
  --accent: #206f72;
  --accent-hover: #1a676a;
  --accent-soft: #daece7;
  --inverse-background: #172d42;
  --inverse-foreground: #edf4fa;
  --inverse-muted: #b9cbd5;
  --inverse-border: #486071;
  --focus-ring: #087477;
  --art-blue: #8aa7c4;
  --art-peach: #e6bd9d;
  --art-shadow: #172d4214;
  --art-soft-shadow: #172d420f;
  --art-vinyl-groove: #3d5364;
  --art-spine-light: #ffffff38;
  --art-sky: #e5edf2;
  --inverse-accent: #91c9bd;
  --page-gutter: clamp(1.25rem, 4.4vw, 4rem);
  --content-max: 73rem;
  --font-body:
    "Segoe UI Variable Text", "Segoe UI", "Yu Gothic UI", "Yu Gothic", Meiryo, sans-serif;
  --font-heading:
    "Segoe UI Variable Display", "Segoe UI", "Yu Gothic UI", "Yu Gothic", Meiryo, sans-serif;
}

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

html {
  background: var(--background);
  scrollbar-gutter: stable;
  scroll-padding-top: 2rem;
}

body {
  margin: 0;
  color: var(--foreground);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
p,
figure,
dl,
dd {
  margin: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  font-weight: 650;
  line-height: 1.35;
  text-wrap: balance;
}

p,
li,
dd {
  overflow-wrap: break-word;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

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

a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 5px;
  border-radius: 3px;
}

img,
svg {
  display: block;
}

.content-width {
  width: min(var(--content-max), calc(100% - var(--page-gutter) * 2));
  margin-inline: auto;
}

.section-space {
  padding-block: clamp(4.5rem, 8vw, 7.5rem);
}

.skip-link {
  position: absolute;
  z-index: 2;
  top: 0.75rem;
  left: var(--page-gutter);
  transform: translateY(-180%);
  padding: 0.6rem 1rem;
  color: var(--inverse-foreground);
  background: var(--inverse-background);
}

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

.site-header {
  display: flex;
  align-items: center;
  gap: 2rem;
  min-height: 6.4rem;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  text-decoration: none;
  white-space: nowrap;
}

.brand img {
  flex: none;
}

.main-navigation {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: clamp(1rem, 2.6vw, 2.25rem);
  margin-left: auto;
}

.main-navigation a,
.language-navigation a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  font-size: 0.875rem;
  text-decoration: none;
  white-space: nowrap;
}

.main-navigation a:hover,
.language-navigation a:hover {
  color: var(--accent);
}

.language-navigation {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-left: 1rem;
  color: var(--muted-foreground);
}

.language-navigation [aria-current="page"] {
  color: var(--foreground);
  font-weight: 650;
  text-decoration: underline;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  align-items: center;
  gap: 2rem;
  padding-block: 5rem 4.5rem;
}

.hero h1 {
  font-size: clamp(2.1rem, 4.4vw, 3.95rem);
  line-height: 1.3;
  letter-spacing: -0.045em;
}

.hero h1 span {
  display: block;
}

.hero-description {
  max-width: 29rem;
  margin-top: 1.65rem;
  color: var(--muted-foreground);
  font-size: 1.0625rem;
  line-height: 1.95;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.6rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 3rem;
  padding: 0.75rem 1.25rem;
  border-radius: 0.55rem;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 120ms ease;
}

.button-primary {
  color: var(--inverse-foreground);
  background: var(--accent);
}

.button-primary:hover {
  background: var(--accent-hover);
}

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  font-size: 0.9375rem;
}

.hero-status {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  max-width: 28rem;
  margin-top: 1.2rem;
  color: var(--muted-foreground);
  font-size: 0.8125rem;
  line-height: 1.7;
}

.status-dot {
  display: inline-block;
  flex: none;
  width: 0.45rem;
  height: 0.45rem;
  margin-top: 0.48rem;
  border-radius: 50%;
  background: var(--accent);
}

.collection-figure {
  min-width: 0;
  padding-top: 1rem;
}

.collection-art {
  position: relative;
  width: 100%;
  aspect-ratio: 1.14;
  isolation: isolate;
}

.art-orbit {
  position: absolute;
  z-index: -1;
  inset: 3% 5% 11% 5%;
  border-radius: 50%;
  background: var(--surface);
}

.album {
  position: absolute;
  bottom: 25%;
  width: 47%;
  aspect-ratio: 1;
  border-radius: 2px;
}

.album-teal {
  z-index: 2;
  left: 7%;
  transform: rotate(-7deg);
  background: var(--accent);
  box-shadow: 4px 5px 8px var(--art-shadow);
}

.album-orbit {
  position: absolute;
  inset: 19%;
  border: 2px solid var(--accent-soft);
  border-radius: 50%;
}

.album-orbit::before,
.album-orbit::after {
  position: absolute;
  inset: 15%;
  border: 1px solid var(--accent-soft);
  border-radius: 50%;
  content: "";
}

.album-orbit::after {
  inset: 37%;
  background: var(--accent-soft);
}

.album-line {
  position: absolute;
  right: 12%;
  bottom: 9%;
  left: 12%;
  height: 2px;
  background: var(--accent-soft);
}

.vinyl {
  position: absolute;
  z-index: 1;
  top: 10%;
  left: 23%;
  width: 44%;
  aspect-ratio: 1;
  border: 8px solid var(--foreground);
  border-radius: 50%;
  background: repeating-radial-gradient(
    circle,
    var(--foreground) 0 4px,
    var(--art-vinyl-groove) 5px 6px
  );
}

.vinyl span {
  position: absolute;
  inset: 33%;
  border: 8px solid var(--art-peach);
  border-radius: 50%;
  background: var(--foreground);
}

.album-blue {
  z-index: 3;
  right: 7%;
  bottom: 22%;
  width: 38%;
  height: 47%;
  transform: rotate(7deg);
  background: var(--art-blue);
  box-shadow: -3px 5px 9px var(--art-shadow);
}

.landscape {
  position: absolute;
  inset: 12% 11%;
  overflow: hidden;
  background: var(--art-sky);
}

.landscape::before {
  position: absolute;
  top: 14%;
  right: 14%;
  width: 27%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--art-peach);
  content: "";
}

.landscape::after {
  position: absolute;
  right: -35%;
  bottom: -10%;
  left: -25%;
  height: 58%;
  transform: rotate(-25deg);
  background: var(--accent);
  content: "";
}

.media-spine {
  position: absolute;
  bottom: 21%;
  width: 4%;
  height: 44%;
  border-radius: 2px 2px 0 0;
  box-shadow: inset 2px 0 var(--art-spine-light);
}

.spine-one {
  z-index: 4;
  right: 8%;
  background: var(--accent-soft);
}

.spine-two {
  z-index: 4;
  right: 3.5%;
  height: 38%;
  background: var(--foreground);
}

.shelf-plank {
  position: absolute;
  z-index: 5;
  right: 0;
  bottom: 19%;
  left: 0;
  height: 2.5%;
  border-radius: 2px;
  background: var(--foreground);
}

.shelf-shadow {
  position: absolute;
  z-index: -1;
  right: 3%;
  bottom: 14%;
  left: 3%;
  height: 4%;
  border-radius: 50%;
  background: var(--art-soft-shadow);
  filter: blur(7px);
}

.collection-figure figcaption {
  max-width: 26rem;
  margin: -1.8rem auto 0;
  color: var(--muted-foreground);
  font-size: 0.75rem;
  line-height: 1.7;
  text-align: center;
}

.privacy-note {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding-block: 1.6rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.privacy-icon {
  flex: none;
  width: 1.75rem;
  margin-top: 0.05rem;
  color: var(--accent);
}

.privacy-note h2 {
  font-size: 1.0625rem;
}

.privacy-note p {
  max-width: 66rem;
  margin-top: 0.4rem;
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.features-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 4rem;
}

.section-introduction h2,
.pricing-introduction h2,
.faq-section h2,
.release-section h2 {
  font-size: clamp(1.7rem, 2.5vw, 2.3rem);
  letter-spacing: -0.035em;
  line-height: 1.5;
}

.section-introduction p {
  max-width: 25rem;
  margin-top: 1.25rem;
  color: var(--muted-foreground);
}

.feature-item {
  display: flex;
  gap: 1.3rem;
  padding-block: 1.65rem;
  border-bottom: 1px solid var(--border);
}

.feature-item:first-child {
  padding-top: 0.25rem;
}

.feature-item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.feature-icon {
  flex: none;
  width: 1.6rem;
  height: 1.6rem;
  margin-top: 0.15rem;
  color: var(--accent);
}

.feature-item h3 {
  font-size: 1.1rem;
}

.feature-item p {
  margin-top: 0.6rem;
  color: var(--muted-foreground);
  font-size: 0.9375rem;
}

.pricing-section {
  --focus-ring: #a1ded5;
  color: var(--inverse-foreground);
  background: var(--inverse-background);
}

.pricing-introduction {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: 4rem;
}

.pricing-introduction p {
  max-width: 29rem;
  color: var(--inverse-muted);
}

.planned-label {
  display: inline-block;
  margin-top: 0.8rem;
  padding: 0.1rem 0.65rem;
  border: 1px solid var(--inverse-border);
  border-radius: 1rem;
  font-size: 0.75rem;
}

.purchase-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4rem;
  margin-top: 2.6rem;
  padding-block: 2.2rem;
  border-top: 1px solid var(--inverse-border);
  border-bottom: 1px solid var(--inverse-border);
}

.purchase-option h3 {
  color: var(--inverse-muted);
  font-size: 0.9375rem;
  font-weight: 500;
}

.purchase-highlight {
  margin-top: 0.45rem;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.025em;
}

.purchase-detail {
  margin-top: 0.15rem;
  color: var(--inverse-muted);
  font-size: 0.9375rem;
}

.terms-list {
  margin: 1.5rem 0 0;
  padding-left: 1.1rem;
  font-size: 0.9375rem;
}

.terms-list li {
  margin-block: 0.5rem;
  padding-left: 0.25rem;
}

.terms-list li::marker {
  color: var(--inverse-accent);
}

.safety-policy {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.safety-icon {
  flex: none;
  width: 1.5rem;
  height: 1.5rem;
  color: var(--inverse-accent);
}

.safety-policy h3 {
  font-size: 1rem;
}

.safety-policy p {
  max-width: 63rem;
  margin-top: 0.5rem;
  color: var(--inverse-muted);
  font-size: 0.875rem;
}

.pending-terms {
  margin-top: 1.5rem;
  color: var(--inverse-muted);
  font-size: 0.8125rem;
}

.faq-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 4rem;
}

.faq-list {
  border-top: 1px solid var(--border);
}

.faq-list details {
  border-bottom: 1px solid var(--border);
}

.faq-list summary {
  position: relative;
  min-height: 3.5rem;
  padding: 1.2rem 2rem 1.2rem 0;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.65;
  list-style: none;
  cursor: pointer;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  position: absolute;
  top: 1.55rem;
  right: 0.25rem;
  width: 0.8rem;
  height: 0.8rem;
  content: "";
  color: var(--accent);
  background:
    linear-gradient(currentColor, currentColor) center / 100% 1px no-repeat,
    linear-gradient(currentColor, currentColor) center / 1px 100% no-repeat;
}

.faq-list details[open] summary::after {
  background: linear-gradient(currentColor, currentColor) center / 100% 1px no-repeat;
}

.faq-list summary:hover {
  color: var(--accent);
}

.faq-list details p {
  padding: 0 2rem 1.3rem 0;
  color: var(--muted-foreground);
  font-size: 0.9375rem;
}

.release-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 3rem;
  padding: clamp(1.5rem, 4.2vw, 3rem);
  border-radius: 1rem;
  background: var(--surface);
}

.release-status {
  display: inline-flex;
  gap: 0.55rem;
  color: var(--accent-hover);
  font-size: 0.8125rem;
  font-weight: 600;
}

.release-heading h2 {
  margin-top: 0.8rem;
  font-size: clamp(1.45rem, 2.3vw, 1.9rem);
}

.release-heading p {
  margin-top: 1rem;
  color: var(--muted-foreground);
  font-size: 0.9375rem;
}

.release-list > div + div {
  margin-top: 1.3rem;
  padding-top: 1.3rem;
  border-top: 1px solid var(--border);
}

.release-list dt {
  font-size: 0.9375rem;
  font-weight: 600;
}

.release-list dd {
  margin-top: 0.35rem;
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 5rem;
  padding-block: 2rem 3rem;
  border-top: 1px solid var(--border);
}

.site-footer .brand {
  font-size: 1rem;
}

.site-footer p {
  margin-top: 0.5rem;
  color: var(--muted-foreground);
  font-size: 0.75rem;
}

.footer-links {
  text-align: right;
}

.footer-links a {
  display: inline-block;
  padding-block: 0.5rem;
  font-size: 0.8125rem;
}

@media (max-width: 1023px) {
  .site-header {
    gap: 1rem;
  }

  .language-navigation {
    margin-left: 0.5rem;
  }

  .hero {
    gap: 1.25rem;
    padding-top: 4rem;
  }

  .hero-actions {
    gap: 0.45rem 1rem;
  }

  .features-section,
  .faq-section {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 2rem;
  }

  .pricing-introduction,
  .purchase-options {
    gap: 2.5rem;
  }

  .release-section {
    gap: 2rem;
  }
}

@media (max-width: 767px) {
  .site-header {
    flex-wrap: wrap;
    gap: 0;
    padding-top: 1rem;
  }

  .brand {
    font-size: 1.125rem;
  }

  .main-navigation {
    order: 2;
    justify-content: flex-start;
    gap: 1.6rem;
    width: 100%;
    margin: 0.35rem 0 0;
    padding-bottom: 0.45rem;
  }

  .main-navigation a {
    font-size: 0.8125rem;
  }

  .language-navigation {
    margin-left: auto;
  }

  .language-navigation a {
    font-size: 0.8125rem;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 1rem;
    padding-block: 3rem 2.5rem;
  }

  .hero-copy {
    max-width: 34rem;
  }

  .hero h1 {
    font-size: clamp(1.85rem, 6.2vw, 2.7rem);
  }

  .hero-description {
    margin-top: 1.3rem;
    font-size: 1rem;
  }

  .hero-actions {
    margin-top: 1.5rem;
  }

  .hero-status {
    margin-top: 0.8rem;
  }

  .collection-figure {
    width: min(100%, 26rem);
    margin-inline: auto;
  }

  .collection-art {
    aspect-ratio: 1.4;
  }

  .collection-figure figcaption {
    margin-top: -0.8rem;
  }

  .privacy-note {
    gap: 0.8rem;
    padding-block: 1.35rem;
  }

  .privacy-icon {
    width: 1.5rem;
  }

  .features-section,
  .pricing-introduction,
  .faq-section,
  .release-section {
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
  }

  .section-introduction p {
    max-width: 34rem;
    margin-top: 0.9rem;
  }

  .feature-item {
    gap: 1rem;
  }

  .pricing-introduction {
    gap: 1rem;
  }

  .purchase-options {
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
    margin-top: 2rem;
  }

  .purchase-option + .purchase-option {
    padding-top: 2rem;
    border-top: 1px solid var(--inverse-border);
  }

  .purchase-highlight {
    font-size: 2rem;
  }

  .terms-list {
    margin-top: 1rem;
  }

  .faq-section {
    gap: 1.5rem;
  }

  .site-footer {
    flex-direction: column;
    gap: 1rem;
    margin-top: 3.5rem;
  }

  .footer-links {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto;
    transition: none;
  }
}