.sayuki-page {
  width: min(1180px, calc(100% - 40px));
  margin: 30px auto 72px;
}

.sayuki-hero {
  position: relative;
  overflow: hidden;
  min-height: 650px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background: rgba(24, 21, 29, 0.86);
  box-shadow: var(--shadow);
}

.sayuki-banner {
  position: absolute;
  inset: 0 0 auto;
  height: 285px;
  overflow: hidden;
  background:
    radial-gradient(circle at 72% 28%, rgba(244, 215, 228, 0.18), transparent 12%),
    linear-gradient(180deg, #3d4059 0%, #252536 48%, #191820 100%);
}

.sayuki-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(24, 21, 29, 0.95));
}

.sayuki-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.78;
}

.banner-moon {
  position: absolute;
  z-index: 1;
  top: 40px;
  right: 12%;
  color: #f2dae4;
  font-size: 76px;
  text-shadow: 0 0 44px rgba(241, 214, 223, 0.4);
}

.banner-city {
  position: absolute;
  z-index: 1;
  right: 0;
  bottom: 0;
  width: 58%;
  height: 86px;
  opacity: 0.42;
  background:
    linear-gradient(90deg,
      transparent 0 6%, #111017 6% 11%, transparent 11% 14%,
      #111017 14% 23%, transparent 23% 26%, #111017 26% 33%,
      transparent 33% 37%, #111017 37% 52%, transparent 52% 56%,
      #111017 56% 66%, transparent 66% 70%, #111017 70% 83%,
      transparent 83% 87%, #111017 87% 100%);
}

.sayuki-hero-content {
  position: relative;
  z-index: 2;
  min-height: 650px;
  padding: 220px 58px 52px;
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 42px;
  align-items: end;
}

.sayuki-profile-art {
  position: relative;
  width: 230px;
  aspect-ratio: 1;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 42px;
  background: linear-gradient(145deg, #665565, #28242e);
  box-shadow: 0 28px 65px rgba(0, 0, 0, 0.38);
}

.profile-art-fallback,
.sayuki-profile-art img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.profile-art-fallback {
  display: grid;
  place-items: center;
  color: var(--pink-soft);
  font-size: 80px;
}

.sayuki-profile-art img {
  object-fit: cover;
}

.sayuki-intro-copy h1 {
  margin: 14px 0 18px;
  font-size: clamp(39px, 5vw, 66px);
  line-height: 1.08;
  letter-spacing: -0.055em;
}

.sayuki-intro-copy h1 span {
  color: var(--pink-soft);
}

.sayuki-lead {
  max-width: 700px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.85;
}

.sayuki-actions {
  margin-top: 28px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 11px;
}

.sayuki-primary-action,
.sayuki-secondary-action {
  min-height: 50px;
  padding: 0 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 13px;
  font-size: 13px;
  font-weight: 800;
}

.sayuki-primary-action {
  color: #241b21;
  background: linear-gradient(135deg, var(--pink-soft), var(--pink));
  box-shadow: 0 16px 34px rgba(160, 103, 128, 0.2);
}

.sayuki-secondary-action {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.035);
}

.install-lock-note {
  color: var(--muted);
  font-size: 12px;
}

.sayuki-notice {
  margin-top: 14px;
  padding: 12px 14px;
  border: 1px solid rgba(217, 167, 184, 0.16);
  border-radius: 12px;
  color: var(--muted);
  background: rgba(217, 167, 184, 0.045);
  font-size: 12px;
}

.sayuki-notice a {
  color: var(--pink-soft);
  text-decoration: underline;
}

.sayuki-section {
  margin-top: 22px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.section-kicker {
  margin-bottom: 24px;
}

.section-kicker h2 {
  margin: 8px 0 0;
  font-size: clamp(27px, 4vw, 40px);
  letter-spacing: -0.045em;
}

.sayuki-profile-grid,
.feature-deck,
.command-grid {
  display: grid;
  gap: 14px;
}

.sayuki-profile-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.sayuki-profile-grid article,
.feature-tile,
.command-grid article {
  padding: 21px;
  border: 1px solid var(--line);
  border-radius: 19px;
  background: rgba(255, 255, 255, 0.025);
}

.sayuki-profile-grid article > span {
  display: block;
  margin-bottom: 9px;
  color: var(--pink);
  font-size: 10px;
  letter-spacing: 0.14em;
  font-weight: 800;
}

.sayuki-profile-grid strong {
  display: block;
  min-height: 48px;
  font-size: 17px;
  line-height: 1.4;
}

.sayuki-profile-grid p,
.feature-tile p,
.command-grid p,
.install-guide p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.7;
  font-size: 13px;
}

.feature-deck {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border: 1px solid rgba(217, 167, 184, 0.16);
  border-radius: 14px;
  color: var(--pink-soft);
  background: rgba(217, 167, 184, 0.06);
  font-size: 20px;
}

.feature-tile h3 {
  margin: 0;
  font-size: 18px;
}

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

.command-grid article {
  display: grid;
  grid-template-columns: minmax(220px, 0.75fr) 1fr;
  gap: 18px;
  align-items: center;
}

.command-grid code {
  color: var(--pink-soft);
  font-size: 13px;
  white-space: nowrap;
}

.command-grid p {
  margin: 0;
}

.install-guide {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 42px;
  align-items: center;
  background:
    radial-gradient(circle at 85% 25%, rgba(80, 88, 134, 0.16), transparent 35%),
    var(--panel);
}

.install-guide h2 {
  margin: 9px 0;
  font-size: 32px;
  letter-spacing: -0.045em;
}

.install-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.install-steps span {
  min-height: 66px;
  padding: 14px;
  display: flex;
  align-items: center;
  gap: 11px;
  border: 1px solid var(--line);
  border-radius: 15px;
  color: #d7ccd2;
  background: rgba(255, 255, 255, 0.025);
  font-size: 13px;
}

.install-steps b {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #241b21;
  background: var(--pink);
  font-size: 11px;
}

.sayuki-version-strip {
  margin-top: 22px;
  padding: 18px 24px;
  display: grid;
  grid-template-columns: 130px 130px 130px 1fr;
  gap: 18px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.025);
}

.sayuki-version-strip div span,
.sayuki-version-strip div strong {
  display: block;
}

.sayuki-version-strip div span {
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.15em;
}

.sayuki-version-strip div strong {
  margin-top: 4px;
  font-size: 15px;
}

.online-text {
  color: var(--success);
}

.sayuki-version-strip p {
  margin: 0;
  color: var(--muted);
  text-align: right;
  font-size: 12px;
}

@media (max-width: 920px) {
  .sayuki-hero-content {
    grid-template-columns: 170px minmax(0, 1fr);
    padding-left: 34px;
    padding-right: 34px;
  }

  .sayuki-profile-art {
    width: 170px;
    border-radius: 32px;
  }

  .sayuki-profile-grid,
  .feature-deck {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .install-guide {
    grid-template-columns: 1fr;
  }

  .sayuki-version-strip {
    grid-template-columns: repeat(3, 1fr);
  }

  .sayuki-version-strip p {
    grid-column: 1 / -1;
    text-align: left;
  }
}

@media (max-width: 680px) {
  .sayuki-page {
    width: min(100% - 24px, 1180px);
    margin-top: 18px;
  }

  .sayuki-hero {
    min-height: 0;
    border-radius: 24px;
  }

  .sayuki-banner {
    height: 210px;
  }

  .sayuki-hero-content {
    min-height: 0;
    padding: 145px 20px 28px;
    display: block;
  }

  .sayuki-profile-art {
    width: 132px;
    margin-bottom: 25px;
    border-radius: 27px;
  }

  .sayuki-section {
    padding: 24px 18px;
    border-radius: 22px;
  }

  .sayuki-profile-grid,
  .feature-deck,
  .command-grid,
  .install-steps {
    grid-template-columns: 1fr;
  }

  .command-grid article {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .sayuki-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .sayuki-primary-action,
  .sayuki-secondary-action {
    width: 100%;
  }
}

/* Web 1.1 polish */
.sayuki-banner img {
  opacity: 1;
  object-position: center 42%;
}

.sayuki-banner .banner-moon,
.sayuki-banner .banner-city {
  display: none;
}

.feature-tile h3 {
  white-space: nowrap;
}

.sayuki-version-strip {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 1100px) {
  .feature-deck {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .feature-tile h3 {
    white-space: normal;
  }
}

/* Web 1.1.1 manual */
.manual-callout {
  margin-top: 18px;
  padding: 23px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border: 1px solid rgba(217, 167, 184, 0.15);
  border-radius: 20px;
  background:
    radial-gradient(circle at 90% 30%, rgba(98, 87, 139, 0.14), transparent 38%),
    rgba(255, 255, 255, 0.024);
}

.manual-callout h3 {
  margin: 7px 0 0;
  font-size: 24px;
  letter-spacing: -0.035em;
}

.manual-callout p {
  max-width: 650px;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
}

.manual-actions {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

.manual-page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
}

.manual-page-header h1 {
  margin: 10px 0 8px;
  font-size: clamp(38px, 6vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.055em;
}

.manual-page-header p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.manual-document-card {
  padding: 0;
  overflow: hidden;
}

.manual-document {
  margin: 0;
  padding: 34px;
  overflow-x: auto;
  color: #ddd3d9;
  background: rgba(9, 8, 12, 0.42);
  font-family:
    "D2Coding",
    "Noto Sans Mono CJK KR",
    ui-monospace,
    SFMono-Regular,
    Consolas,
    monospace;
  font-size: 13px;
  line-height: 1.8;
  white-space: pre-wrap;
  word-break: keep-all;
}

@media (max-width: 760px) {
  .manual-callout,
  .manual-page-header {
    align-items: stretch;
    flex-direction: column;
  }

  .manual-actions {
    width: 100%;
  }

  .manual-actions a {
    flex: 1 1 0;
  }

  .manual-document {
    padding: 24px 18px;
    font-size: 12px;
  }
}

@media (max-width: 440px) {
  .manual-actions {
    flex-direction: column;
  }

  .manual-actions a {
    width: 100%;
  }
}