:root {
  --white: #ffffff;
  --line: #e8e8e8;
  --ink: #111111;
  --muted: #6e6e6e;
  --soft: #a3a3a3;
  --wash: #f0f0f0;
  --dot: #d6d6d6;
  --font-sans: "Zen Kaku Gothic New", "Hiragino Sans", "Hiragino Kaku Gothic ProN",
    "Noto Sans JP", sans-serif;
}

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

html {
  height: 100%;
}

body {
  margin: 0;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: var(--ink);
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--muted);
}

.atmosphere {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.wash {
  position: absolute;
  border-radius: 50%;
  filter: blur(72px);
  opacity: 0.7;
  animation: drift 16s ease-in-out infinite;
}

.wash-a {
  width: min(55vw, 34rem);
  height: min(55vw, 34rem);
  top: -18%;
  right: -12%;
  background: var(--wash);
}

.wash-b {
  width: min(48vw, 30rem);
  height: min(48vw, 30rem);
  bottom: -20%;
  left: -10%;
  background: #f5f5f5;
  animation-delay: -7s;
  animation-duration: 20s;
}

.dots {
  position: absolute;
  inset: 0;
  opacity: 0.4;
  background-image: radial-gradient(circle, var(--dot) 1px, transparent 1.2px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, #000 20%, transparent 75%);
}

.hero,
.site-footer {
  position: relative;
  z-index: 1;
}

.hero {
  flex: 1;
  display: grid;
  place-items: center;
  padding: clamp(3rem, 10vh, 6rem) clamp(1.25rem, 4vw, 2rem)
    clamp(2.5rem, 8vh, 4.5rem);
}

.hero-inner {
  width: min(100%, 48rem);
  text-align: center;
}

.edition {
  margin: 0 0 1.25rem;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.32em;
  color: var(--muted);
}

.brand {
  margin: 0 0 1.75rem;
  display: grid;
  gap: 0.65rem;
}

.brand-kana {
  display: block;
  font-size: clamp(0.78rem, 2.2vw, 0.95rem);
  font-weight: 700;
  letter-spacing: 0.28em;
  color: var(--muted);
}

.brand-name {
  display: block;
  font-size: clamp(1.15rem, 3.5vw, 1.6rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.04em;
  color: var(--ink);
  animation: float-brand 7s ease-in-out infinite;
}

.coming-soon {
  margin: 0 0 1.5rem;
  font-size: clamp(1.75rem, 6vw, 3rem);
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--ink);
}

.tagline {
  margin: 0 auto 1rem;
  font-size: clamp(0.95rem, 2.1vw, 1.1rem);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.85;
  white-space: nowrap;
}

.lede {
  margin: 0 auto 1.5rem;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--muted);
}

.meaning {
  margin: 0 auto;
  max-width: 38rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: 0.88rem;
  font-weight: 500;
  color: #666666;
  line-height: 1.9;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--white);
  padding: 1.25rem clamp(1rem, 4vw, 2rem) 1.5rem;
  text-align: center;
  color: var(--muted);
}

.site-footer p {
  margin: 0;
}

.site-footer small {
  font-size: 0.82rem;
}

.footer-links {
  margin-top: 0.4rem !important;
  font-size: 0.88rem;
  display: flex;
  gap: 0.65rem;
  justify-content: center;
  flex-wrap: wrap;
}

.footer-links span {
  color: var(--soft);
}

.reveal {
  opacity: 0;
  transform: translateY(0.7rem);
  animation: rise 0.85s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: var(--delay, 0s);
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float-brand {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-0.35rem);
  }
}

@keyframes drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(2%, 3%, 0) scale(1.05);
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .wash,
  .brand-name {
    animation: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 640px) {
  .edition {
    letter-spacing: 0.22em;
  }

  .brand-kana {
    letter-spacing: 0.16em;
  }

  .coming-soon {
    letter-spacing: 0.14em;
  }

  .tagline {
    white-space: normal;
    text-wrap: pretty;
    padding-inline: 0.25rem;
  }

  .meaning {
    text-wrap: pretty;
  }
}