:root {
  --about-bg: #0b100d;
  --about-ink: #eef4e6;
  --about-muted: #aeb9aa;
  --about-line: #eef4e61c;
  --about-lime: #d6ff62;
}

html { background: var(--about-bg); }
body {
  min-width: 320px;
  margin: 0;
  background: var(--about-bg);
  color: var(--about-ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--about-lime); outline-offset: 5px; }

.arcade-shell { min-height: 100vh; overflow: hidden; }
.site-header { border-bottom: 1px solid var(--about-line); }
.header-inner {
  display: flex;
  align-items: center;
  gap: clamp(22px, 4vw, 64px);
  width: min(1320px, calc(100% - 64px));
  min-height: 78px;
  margin: 0 auto;
}
.wordmark { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; font-size: 24px; font-weight: 780; letter-spacing: -1px; }
.wordmark img { display: block; width: 32px; height: 32px; object-fit: contain; }
.main-nav { display: flex; align-items: center; gap: clamp(16px, 2.5vw, 34px); min-width: 0; }
.main-nav a { position: relative; padding: 29px 0 26px; color: #b8c2b5; font-size: 12px; white-space: nowrap; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--about-ink); }
.main-nav a[aria-current="page"]::after { content: ""; position: absolute; right: 0; bottom: -1px; left: 0; height: 2px; background: var(--about-lime); }
.header-actions { display: flex; align-items: center; gap: 10px; margin-left: auto; min-height: 32px; }

.about-page { width: min(1320px, calc(100% - 64px)); margin: 0 auto; }
.about-hero { display: grid; grid-template-columns: minmax(0, .95fr) minmax(380px, 1.05fr); align-items: center; min-height: min(660px, calc(100vh - 150px)); padding: 70px 0 64px; gap: 4vw; }
.hero-copy { position: relative; z-index: 1; max-width: 620px; }
.eyebrow { margin: 0 0 22px; color: var(--about-lime); font-size: 10px; font-weight: 750; letter-spacing: 2.5px; }
h1 { max-width: 660px; margin: 0; color: var(--about-ink); font-size: clamp(48px, 6.2vw, 88px); font-weight: 820; letter-spacing: -5px; line-height: .98; text-wrap: balance; }
.strap { margin: 26px 0 0; color: var(--about-ink); font-size: clamp(18px, 2vw, 24px); font-weight: 650; letter-spacing: -.7px; }
.lede { max-width: 510px; margin: 15px 0 0; color: var(--about-muted); font-size: 14px; line-height: 1.7; }
.primary-link { display: inline-flex; align-items: center; gap: 23px; margin-top: 30px; padding: 14px 17px; background: var(--about-lime); color: #111b0d; font-size: 13px; font-weight: 750; border-radius: 4px; transition: background .2s ease, transform .2s ease; }
.primary-link span { font-size: 20px; font-weight: 400; line-height: .7; }
.primary-link:hover { background: #e6ff9b; transform: translateY(-2px); }

.hero-art { position: relative; min-height: 520px; isolation: isolate; display: grid; place-items: center; }
.hero-art::before { content: ""; position: absolute; z-index: -3; width: 72%; aspect-ratio: 1; border-radius: 50%; background: #d6ff6212; filter: blur(30px); }
.hero-art img { position: relative; z-index: 2; width: min(80%, 475px); height: auto; object-fit: contain; filter: drop-shadow(0 25px 30px #000a); }
.orbit { position: absolute; z-index: 1; border: 1px solid #d6ff6250; border-radius: 50%; transform: rotate(-23deg); }
.orbit-one { width: 94%; aspect-ratio: 1.7; }
.orbit-two { width: 68%; aspect-ratio: 2.2; border-color: #eef4e624; transform: rotate(62deg); }
.grid-plane { position: absolute; z-index: 0; right: 4%; bottom: 3%; left: 4%; height: 42%; opacity: .45; background: repeating-linear-gradient(90deg, #d6ff621c 0 1px, transparent 1px 34px), repeating-linear-gradient(0deg, #d6ff621c 0 1px, transparent 1px 28px); transform: perspective(280px) rotateX(62deg); transform-origin: bottom; mask-image: linear-gradient(to top, #000, transparent); }
.art-mark { position: absolute; right: 2%; bottom: 11%; color: #d6ff6288; font-size: 9px; letter-spacing: 2px; }

.destination-links { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--about-line); border-bottom: 1px solid var(--about-line); }
.destination-links a { min-height: 125px; padding: 25px 24px 22px 0; }
.destination-links a + a { padding-left: 24px; border-left: 1px solid var(--about-line); }
.destination-heading { display: block; color: var(--about-ink); font-size: 16px; font-weight: 700; letter-spacing: -.35px; }
.destination-heading i { color: var(--about-lime); font-style: normal; font-size: 17px; margin-left: 7px; }
.destination-caption { display: block; margin-top: 12px; color: var(--about-muted); font-size: 12px; line-height: 1.45; }
.destination-links a:hover .destination-heading { color: var(--about-lime); }
.site-footer { width: min(1320px, calc(100% - 64px)); margin: 0 auto; padding: 25px 0 32px; }
.site-footer a { color: #8f9e8c; font-size: 10px; font-weight: 700; letter-spacing: 2px; }
.site-footer a:hover { color: var(--about-lime); }

@media (max-width: 850px) {
  .header-inner, .about-page, .site-footer { width: min(100% - 40px, 620px); }
  .header-inner { min-height: 70px; gap: 20px; }
  .main-nav { gap: 14px; overflow: auto; scrollbar-width: none; }
  .main-nav::-webkit-scrollbar { display: none; }
  .main-nav a { padding: 25px 0 23px; font-size: 11px; }
  .about-hero { grid-template-columns: 1fr; gap: 10px; padding: 54px 0 45px; }
  .hero-copy { max-width: 600px; }
  h1 { max-width: 580px; font-size: clamp(46px, 10vw, 72px); }
  .hero-art { min-height: 390px; margin: -6px -8% 0; }
  .hero-art img { width: min(65%, 330px); }
  .destination-links a { min-height: 112px; }
}

@media (max-width: 520px) {
  .header-inner, .about-page, .site-footer { width: calc(100% - 32px); }
  .wordmark { font-size: 20px; }
  .wordmark img { width: 27px; height: 27px; }
  .main-nav { gap: 12px; }
  .main-nav a { font-size: 10px; }
  .header-actions { display: flex; }
  .about-hero { padding-top: 46px; }
  .eyebrow { margin-bottom: 18px; font-size: 9px; letter-spacing: 2px; }
  h1 { font-size: clamp(42px, 12.5vw, 60px); letter-spacing: -3.2px; }
  .strap { margin-top: 21px; font-size: 18px; }
  .lede { font-size: 13px; line-height: 1.65; }
  .primary-link { margin-top: 25px; }
  .hero-art { min-height: 330px; margin: 0 -12%; }
  .hero-art img { width: 72%; }
  .destination-links { grid-template-columns: 1fr; }
  .destination-links a, .destination-links a + a { min-height: 0; padding: 19px 0; border-left: 0; }
  .destination-links a + a { border-top: 1px solid var(--about-line); }
  .destination-caption { margin-top: 7px; }
  .site-footer { padding: 23px 0 28px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

@media(max-width:1000px){.header-inner{display:grid;grid-template-columns:1fr auto;gap:0;min-height:112px;padding-top:14px}.wordmark{grid-column:1;grid-row:1}.header-actions{grid-column:2;grid-row:1;display:flex}.main-nav{grid-column:1/-1;grid-row:2;width:100%;gap:26px;justify-content:flex-start;overflow:visible}.main-nav a{font-size:12px;padding:18px 0 16px;min-height:44px}}
@media(max-width:360px){.main-nav{gap:19px}.main-nav a{font-size:11px}}
html[lang=ja] h1{font-size:clamp(36px,4.8vw,66px);line-height:1.2;letter-spacing:-.04em}html[lang=ja] .main-nav{gap:18px}html[lang=ja] .main-nav a{font-size:11px}
