@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+JP:wght@400;500;600&family=Shippori+Mincho:wght@500;600;700&display=swap');

:root {
  --ink: #17141d;
  --paper: #f3f0eb;
  --violet: #5f3a7d;
  --cyan: #75d4cf;
  --red: #a64445;
  --gold: #d9bd78;
  --line: rgba(23, 20, 29, 0.2);
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "IBM Plex Sans JP", sans-serif;
  line-height: 1.65;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .75rem 1rem; background: var(--paper); }
.skip-link:focus { top: 1rem; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  padding: 0 4vw;
  color: #fff;
  transition: background .25s ease, color .25s ease, border-color .25s ease;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled { background: rgba(243, 240, 235, .96); color: var(--ink); border-color: var(--line); }
.brand { display: inline-flex; gap: .6rem; align-items: center; font-family: "Shippori Mincho", serif; font-weight: 700; text-decoration: none; }
.brand-mark { color: var(--gold); }
.language-nav { display: flex; gap: 1rem; font-size: .78rem; }
.language-nav a { text-decoration: none; opacity: .65; }
.language-nav a:hover, .language-nav a[aria-current="page"] { opacity: 1; text-decoration: underline; text-underline-offset: .3rem; }

.hero {
  position: relative;
  min-height: 92svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #fff;
  background: #273244;
}
.hero-image, .hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-image { object-fit: cover; object-position: center; }
.hero-shade { background: linear-gradient(90deg, rgba(13, 14, 21, .82) 0%, rgba(13, 14, 21, .38) 35%, rgba(13, 14, 21, .04) 66%), linear-gradient(0deg, rgba(13, 14, 21, .66), transparent 50%); }
.hero-copy { position: relative; z-index: 2; width: min(90%, var(--max)); margin: 0 auto; padding: 0 0 13vh; }
.eyebrow, .section-kicker { margin: 0 0 .9rem; color: var(--cyan); font-size: .78rem; font-weight: 600; text-transform: uppercase; }
h1, h2 { margin: 0; font-family: "Shippori Mincho", serif; font-weight: 600; line-height: 1.15; }
h1 { max-width: 9ch; font-size: 4.8rem; }
h2 { font-size: 2.5rem; }
.romanized { margin: .25rem 0 0; font-family: "Shippori Mincho", serif; font-size: 1.1rem; }
.intro { max-width: 34rem; margin: 1.5rem 0 0; font-family: "Shippori Mincho", serif; font-size: 1.35rem; }
.scroll-cue { position: absolute; z-index: 2; right: 5vw; bottom: 2rem; display: flex; gap: 1rem; align-items: center; color: #fff; font-size: .75rem; text-decoration: none; text-transform: uppercase; }

.release, .about, .credits { width: min(90%, var(--max)); margin: 0 auto; }
.release { display: grid; grid-template-columns: minmax(260px, 560px) 1fr; gap: 8vw; align-items: center; padding: 8rem 0; }
.release-art { position: relative; }
.release-art::before { content: ""; position: absolute; inset: 1rem -1rem -1rem 1rem; border: 1px solid var(--red); z-index: -1; }
.release-art img { aspect-ratio: 1; object-fit: cover; }
.release h2 { font-size: 4rem; }
.release-date { margin: 1rem 0 2rem; font-size: 1.05rem; }
.primary-actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 2rem; min-height: 48px; padding: .7rem 1rem; border: 1px solid var(--ink); text-decoration: none; font-weight: 600; }
.button-primary { background: var(--ink); color: #fff; }
.button:hover { background: var(--cyan); color: var(--ink); }

.about { display: grid; grid-template-columns: 1fr 1fr; gap: 10vw; padding: 7rem 0; border-top: 1px solid var(--line); }
.about-copy p:last-child, .credits-heading p:last-child { max-width: 42rem; font-size: 1.12rem; }
.social-links { border-top: 1px solid var(--ink); }
.social-links a { display: flex; justify-content: space-between; padding: 1.25rem 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.social-links a:hover { color: var(--violet); }

.credits { display: grid; grid-template-columns: 1fr 1fr; gap: 10vw; padding: 7rem 0; border-top: 1px solid var(--line); }
.credit-list { margin: 0; }
.credit-list div { display: grid; grid-template-columns: 9rem 1fr; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--line); }
.credit-list dt { color: var(--violet); font-size: .8rem; font-weight: 600; text-transform: uppercase; }
.credit-list dd { margin: 0; overflow-wrap: anywhere; }
footer { display: flex; justify-content: space-between; gap: 2rem; padding: 2rem 5vw; background: var(--ink); color: #d8d3db; font-size: .72rem; }
footer p { margin: 0; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .reveal { opacity: 1; transform: none; transition: none; } }

@media (max-width: 760px) {
  .site-header { padding: 0 1rem; }
  .language-nav { gap: .65rem; }
  .language-nav a { font-size: .7rem; }
  .hero { min-height: 88svh; }
  .hero-image { object-position: 58% center; }
  .hero-shade { background: linear-gradient(0deg, rgba(13, 14, 21, .88), rgba(13, 14, 21, .05) 70%); }
  .hero-copy { padding-bottom: 6.5rem; }
  h1 { font-size: 3.2rem; }
  h2 { font-size: 2rem; }
  .intro { font-size: 1.05rem; }
  .scroll-cue { left: 5%; right: auto; bottom: 1.4rem; }
  .release, .about, .credits { grid-template-columns: 1fr; gap: 3rem; padding: 5rem 0; }
  .release { width: min(84%, 560px); }
  .release h2 { font-size: 3rem; }
  .release-art::before { inset: .65rem -.65rem -.65rem .65rem; }
  .button { width: 100%; }
  .credit-list div { grid-template-columns: 1fr; gap: .2rem; }
  footer { flex-direction: column; gap: .5rem; }
}