:root {
  color-scheme: dark;
  --black: #050607;
  --panel: #0b0d0f;
  --panel-soft: rgba(10, 13, 15, 0.76);
  --line: rgba(220, 171, 86, 0.24);
  --gold: #d8ad5f;
  --gold-bright: #f5d88d;
  --teal: #60d7cb;
  --text: #fbf4e6;
  --muted: rgba(251, 244, 230, 0.68);
  --dim: rgba(251, 244, 230, 0.48);
  --serif: "Shippori Mincho", serif;
  --latin: "Cormorant Garamond", serif;
  --sans: "Noto Sans JP", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  background:
    radial-gradient(circle at 80% 18%, rgba(43, 113, 119, 0.22), transparent 30rem),
    radial-gradient(circle at 14% 56%, rgba(201, 153, 65, 0.14), transparent 24rem),
    var(--black);
  color: var(--text);
  letter-spacing: 0;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(216, 173, 95, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(216, 173, 95, 0.035) 1px, transparent 1px);
  background-size: 82px 82px;
  mask-image: linear-gradient(to bottom, transparent, black 18%, black 72%, transparent);
}

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

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

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 16px clamp(20px, 4vw, 62px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(5, 6, 7, 0.42);
  backdrop-filter: blur(20px);
  transition: background 220ms ease, border-color 220ms ease;
}

.site-header.is-scrolled {
  background: rgba(5, 6, 7, 0.82);
  border-color: var(--line);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(245, 216, 141, 0.72);
  border-radius: 50%;
  font-family: var(--latin);
  font-size: 1.4rem;
  color: var(--gold-bright);
  box-shadow: inset 0 0 18px rgba(216, 173, 95, 0.16);
}

.logo strong,
.logo small {
  display: block;
}

.logo strong {
  font-family: var(--latin);
  font-size: 1.28rem;
  line-height: 1;
}

.logo small {
  margin-top: 3px;
  color: var(--dim);
  font-size: 0.72rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav a {
  padding: 10px 14px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: rgba(251, 244, 230, 0.72);
  font-family: var(--latin);
  font-size: 1.05rem;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--gold-bright);
  border-color: rgba(216, 173, 95, 0.28);
  background: rgba(216, 173, 95, 0.08);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(245, 216, 141, 0.3);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
}

.menu-button span {
  display: block;
  width: 18px;
  height: 1px;
  margin: 6px auto;
  background: var(--gold-bright);
}

.hero-section {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: center;
  padding: 128px clamp(20px, 5vw, 72px) 52px;
  overflow: hidden;
  isolation: isolate;
}

.hero-bg,
.hero-shade,
.gold-grid {
  position: absolute;
  inset: 0;
}

.hero-bg {
  z-index: -3;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shade {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(5, 6, 7, 0.92) 0%, rgba(5, 6, 7, 0.78) 34%, rgba(5, 6, 7, 0.34) 66%, rgba(5, 6, 7, 0.62) 100%),
    linear-gradient(0deg, rgba(5, 6, 7, 0.94), transparent 42%);
}

.gold-grid {
  z-index: -1;
  opacity: 0.7;
  background:
    radial-gradient(circle at 68% 46%, rgba(96, 215, 203, 0.2), transparent 17rem),
    linear-gradient(100deg, transparent 10%, rgba(216, 173, 95, 0.12) 10.2%, transparent 10.6%, transparent 82%);
}

.hero-content {
  width: min(720px, 100%);
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--gold-bright);
  font-family: var(--latin);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0;
}

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

h1,
h2 {
  font-family: var(--serif);
  letter-spacing: 0;
}

h1 {
  margin-bottom: 24px;
  font-size: clamp(3.1rem, 7vw, 6.8rem);
  line-height: 1.05;
  text-wrap: balance;
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(2rem, 4vw, 4.1rem);
  line-height: 1.18;
}

h3 {
  margin-bottom: 12px;
  font-family: var(--serif);
  font-size: 1.35rem;
  letter-spacing: 0;
}

.lead,
.feature-copy p,
.dashboard-copy p,
.reserve-card > p {
  color: var(--muted);
  font-size: clamp(1rem, 1.8vw, 1.14rem);
  line-height: 2;
}

.lead {
  width: min(620px, 100%);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 14px 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
}

.button-primary {
  color: #11100c;
  background: linear-gradient(135deg, #ffe7a7, #c18a38 58%, #f5d88d);
  box-shadow: 0 18px 58px rgba(216, 173, 95, 0.25);
}

.button-ghost {
  color: var(--text);
  border-color: rgba(251, 244, 230, 0.22);
  background: rgba(255, 255, 255, 0.04);
}

.hero-panel {
  position: absolute;
  right: clamp(20px, 5vw, 72px);
  bottom: 48px;
  width: min(360px, calc(100% - 40px));
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(5, 7, 9, 0.58);
  backdrop-filter: blur(20px);
}

.hero-panel p,
.hero-panel span {
  margin: 0;
  color: var(--dim);
  line-height: 1.7;
}

.hero-panel strong {
  display: block;
  margin: 8px 0;
  font-family: var(--serif);
  font-size: 1.4rem;
}

section:not(.hero-section) {
  padding: clamp(76px, 10vw, 132px) clamp(20px, 5vw, 72px);
}

.intro-section {
  border-top: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(5, 6, 7, 0.76), rgba(5, 6, 7, 0.96)),
    radial-gradient(circle at 80% 0%, rgba(96, 215, 203, 0.12), transparent 28rem);
}

.section-copy {
  width: min(860px, 100%);
  margin-bottom: 34px;
}

.section-copy.centered {
  margin-inline: auto;
  text-align: center;
}

.intro-grid,
.reading-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.glass-card,
.reading-card,
.reserve-card {
  border: 1px solid rgba(216, 173, 95, 0.18);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.015)),
    rgba(6, 8, 10, 0.72);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.24);
}

.glass-card,
.reading-card {
  min-height: 230px;
  padding: 28px;
}

.glass-card span,
.reading-card span {
  display: block;
  margin-bottom: 22px;
  color: var(--gold-bright);
  font-family: var(--latin);
  font-weight: 700;
}

.glass-card p,
.reading-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}

.image-feature,
.dashboard-section {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(320px, 0.94fr);
  align-items: center;
  gap: clamp(28px, 5vw, 70px);
}

.feature-image,
.dashboard-image {
  overflow: hidden;
  border: 1px solid rgba(216, 173, 95, 0.24);
  border-radius: 8px;
  background: #050607;
  box-shadow: 0 28px 110px rgba(0, 0, 0, 0.38);
}

.feature-image img,
.dashboard-image img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transform: scale(1.01);
}

.feature-copy {
  width: min(580px, 100%);
}

.check-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  color: rgba(251, 244, 230, 0.8);
  line-height: 1.7;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 13px;
  height: 13px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  box-shadow: 0 0 18px rgba(216, 173, 95, 0.42);
}

.reading-section {
  background:
    radial-gradient(circle at 50% 0%, rgba(216, 173, 95, 0.1), transparent 30rem),
    rgba(4, 5, 6, 0.5);
}

.reading-card strong {
  display: block;
  margin-top: 24px;
  color: var(--teal);
  font-family: var(--latin);
  font-size: 1.8rem;
  font-weight: 700;
}

.dashboard-section {
  grid-template-columns: minmax(320px, 0.85fr) minmax(0, 1.15fr);
  background: linear-gradient(180deg, rgba(4, 5, 6, 0.2), rgba(9, 12, 14, 0.8));
}

.dashboard-copy {
  width: min(560px, 100%);
}

.reserve-section {
  display: grid;
  place-items: center;
  min-height: 760px;
  background:
    linear-gradient(rgba(5, 6, 7, 0.82), rgba(5, 6, 7, 0.92)),
    url("./assets/hero-oracle.png") center / cover;
}

.reserve-card {
  width: min(760px, 100%);
  padding: clamp(28px, 5vw, 54px);
  backdrop-filter: blur(18px);
}

.reserve-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.reserve-form label {
  display: grid;
  gap: 8px;
}

.reserve-form label:first-child,
.reserve-form button {
  grid-column: 1 / -1;
}

.reserve-form span {
  color: var(--dim);
  font-size: 0.9rem;
}

.reserve-form input,
.reserve-form select {
  width: 100%;
  min-height: 52px;
  padding: 0 16px;
  border: 1px solid rgba(216, 173, 95, 0.24);
  border-radius: 8px;
  background: rgba(5, 6, 7, 0.76);
  color: var(--text);
  font: inherit;
}

.reserve-form input::placeholder {
  color: rgba(251, 244, 230, 0.35);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 28px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--dim);
}

.site-footer p {
  margin: 0;
  font-family: var(--latin);
  color: var(--gold-bright);
  font-size: 1.25rem;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@media (max-width: 920px) {
  .menu-button {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 76px;
    left: 16px;
    right: 16px;
    display: grid;
    gap: 6px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(5, 6, 7, 0.94);
    transform: translateY(-14px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav a {
    border-radius: 6px;
    font-size: 1rem;
  }

  .hero-section {
    min-height: auto;
    padding-top: 122px;
    padding-bottom: 38px;
    grid-template-rows: minmax(590px, 78svh) auto;
  }

  .hero-bg {
    object-position: 62% center;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(5, 6, 7, 0.86), rgba(5, 6, 7, 0.52)),
      linear-gradient(0deg, rgba(5, 6, 7, 0.96), transparent 44%);
  }

  .hero-panel {
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    margin-top: 24px;
  }

  .intro-grid,
  .reading-grid,
  .image-feature,
  .dashboard-section {
    grid-template-columns: 1fr;
  }

  .dashboard-section .dashboard-copy {
    order: 2;
  }

  .dashboard-section .dashboard-image {
    order: 1;
  }
}

@media (max-width: 560px) {
  .site-header {
    min-height: 70px;
    padding: 14px 18px;
  }

  .logo small {
    display: none;
  }

  .logo strong {
    font-size: 1.1rem;
  }

  .hero-section {
    padding-inline: 20px;
    padding-top: 104px;
    grid-template-rows: minmax(620px, 82svh) auto;
  }

  h1 {
    font-size: clamp(2.55rem, 14vw, 4rem);
  }

  h2 {
    font-size: clamp(1.85rem, 9vw, 2.8rem);
  }

  .hero-actions,
  .reserve-form {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .glass-card,
  .reading-card {
    min-height: auto;
    padding: 24px;
  }

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