:root {
  --ink: #202339;
  --ink-soft: #5e6275;
  --paper: #fffaf1;
  --cream: #f4eddf;
  --white: #ffffff;
  --coral: #ff745c;
  --coral-dark: #d94f3c;
  --mint: #2dbd9b;
  --blue: #5968e9;
  --gold: #f5bb39;
  --line: rgba(32, 35, 57, .13);
  --shadow: 0 18px 50px rgba(43, 38, 64, .12);
  --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 12%, rgba(255, 116, 92, .11), transparent 25rem),
    radial-gradient(circle at 90% 18%, rgba(89, 104, 233, .10), transparent 28rem),
    var(--paper);
  font-family: "Hiragino Sans", "Yu Gothic UI", "Noto Sans JP", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }

.skip { position: fixed; left: 12px; top: -80px; z-index: 100; padding: 10px 14px; background: var(--ink); color: white; border-radius: 12px; }
.skip:focus { top: 12px; }
.shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,250,241,.88); backdrop-filter: blur(18px); border-bottom: 1px solid transparent; }
.nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 900; text-decoration: none; letter-spacing: -.04em; }
.brand img { width: 42px; height: 42px; }
.brand small { display: block; color: var(--ink-soft); font-size: 10px; letter-spacing: .16em; line-height: 1; margin-bottom: 3px; }
.desktop-nav { display: flex; align-items: center; gap: 26px; }
.desktop-nav a, .mobile-nav a { text-decoration: none; font-weight: 700; font-size: 14px; }
.desktop-nav a:hover { color: var(--coral-dark); }
.nav-cta { padding: 10px 17px; background: var(--ink); color: white; border-radius: 999px; }
.menu-button { display: none; width: 46px; height: 46px; border: 1px solid var(--line); border-radius: 15px; background: white; font-size: 20px; }
.nav-tools { display: flex; align-items: center; gap: 10px; }
.language-switch { display: inline-flex; padding: 4px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.75); }
.language-switch button { min-width: 40px; min-height: 34px; padding: 4px 9px; border: 0; border-radius: 999px; background: transparent; color: var(--ink-soft); font: inherit; font-size: 12px; font-weight: 900; cursor: pointer; }
.language-switch button[aria-pressed="true"] { background: var(--ink); color: white; }
.mobile-nav { padding: 10px 20px 20px; background: var(--paper); }
.mobile-nav a { display: block; padding: 13px 0; border-top: 1px solid var(--line); }

.hero { padding: 76px 0 54px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.eyebrow { margin: 0 0 15px; color: var(--coral-dark); font-size: 13px; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(48px, 7vw, 88px); line-height: .98; letter-spacing: -.065em; margin-bottom: 25px; }
.hero-copy { max-width: 620px; color: var(--ink-soft); font-size: clamp(17px, 2vw, 21px); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { min-height: 50px; padding: 12px 20px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; border: 1px solid var(--ink); border-radius: 999px; text-decoration: none; font-weight: 900; transition: transform .2s, box-shadow .2s; }
.button:hover { transform: translateY(-2px); box-shadow: 0 9px 22px rgba(32,35,57,.14); }
.button.primary { background: var(--ink); color: white; }
.button.secondary { background: rgba(255,255,255,.55); }
.button.light { border-color: transparent; background: white; color: var(--ink); }
.hero-note { margin-top: 15px; color: var(--ink-soft); font-size: 13px; }

.fino-stage { position: relative; min-height: 520px; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 44px; overflow: hidden; background: white; box-shadow: var(--shadow); }
.fino-stage > img { position: static; width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: contain; object-position: center; background: white; }
.fino-card { position: static; z-index: 2; margin-top: auto; padding: 20px 24px 23px; border-top: 1px solid rgba(255,255,255,.18); background: var(--ink); color: white; }
.fino-card small { display: block; margin-bottom: 5px; color: #ffd166; font-size: 11px; font-weight: 900; letter-spacing: .14em; }
.fino-card strong { display: block; font-size: 24px; line-height: 1.2; }
.fino-card p { margin: 7px 0 0; color: rgba(255,255,255,.72); font-size: 13px; line-height: 1.55; }
.orbit { position: relative; min-height: 470px; display: grid; place-items: center; }
.orbit::before, .orbit::after { content: ""; position: absolute; border: 1px dashed rgba(32,35,57,.22); border-radius: 50%; }
.orbit::before { width: 430px; height: 430px; }
.orbit::after { width: 290px; height: 290px; }
.world-core { position: relative; z-index: 2; width: 240px; aspect-ratio: 1; border-radius: 44% 56% 53% 47% / 53% 42% 58% 47%; display: grid; place-items: center; background: linear-gradient(145deg, #ffd56a, #ff765f); box-shadow: 0 28px 70px rgba(222, 94, 68, .28); transform: rotate(-5deg); }
.world-core span { transform: rotate(5deg); text-align: center; font-weight: 950; font-size: 32px; line-height: 1.1; letter-spacing: -.08em; }
.satellite { position: absolute; z-index: 3; padding: 13px 17px; background: white; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); font-weight: 900; font-size: 13px; }
.satellite.one { top: 44px; right: 32px; transform: rotate(6deg); }
.satellite.two { bottom: 65px; left: 0; transform: rotate(-7deg); }
.satellite.three { bottom: 20px; right: 35px; transform: rotate(4deg); }
.spark { position: absolute; border-radius: 50%; }
.spark.a { width: 26px; height: 26px; background: var(--mint); top: 75px; left: 45px; }
.spark.b { width: 18px; height: 18px; background: var(--blue); top: 200px; right: 0; }
.spark.c { width: 14px; height: 14px; background: var(--gold); bottom: 105px; right: 105px; }

.section { padding: 86px 0; }
.section.alt { background: rgba(255,255,255,.58); border-block: 1px solid var(--line); }
.section-head { display: flex; justify-content: space-between; gap: 24px; align-items: end; margin-bottom: 34px; }
.section-head h2 { margin-bottom: 0; font-size: clamp(36px, 5vw, 62px); line-height: 1.05; letter-spacing: -.055em; }
.section-head p { max-width: 430px; margin-bottom: 3px; color: var(--ink-soft); }
.game-feature { display: grid; grid-template-columns: 1.05fr .95fr; background: var(--ink); color: white; border-radius: 36px; overflow: hidden; box-shadow: var(--shadow); }
.game-visual { min-height: 420px; background: #e9ddc8; position: relative; overflow: hidden; }
.game-visual img.cover { width: 100%; height: 100%; object-fit: cover; }
.game-visual img.logo { position: absolute; left: 28px; bottom: 28px; width: min(280px, 72%); filter: drop-shadow(0 8px 10px rgba(0,0,0,.18)); }
.game-content { padding: clamp(30px, 6vw, 64px); display: flex; flex-direction: column; justify-content: center; }
.status { width: max-content; display: inline-flex; align-items: center; gap: 7px; padding: 6px 11px; border-radius: 999px; background: rgba(255,255,255,.12); font-size: 12px; font-weight: 900; }
.status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #62e5a7; box-shadow: 0 0 0 5px rgba(98,229,167,.12); }
.game-content h3 { margin: 20px 0 14px; font-size: clamp(34px, 5vw, 56px); line-height: 1.02; letter-spacing: -.055em; }
.game-content p { color: rgba(255,255,255,.72); }
.platforms { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 25px; }
.platform { padding: 7px 11px; border: 1px solid rgba(255,255,255,.18); border-radius: 10px; font-size: 12px; font-weight: 800; }
.platform.muted { opacity: .52; }

.roadmap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.road-card { min-height: 250px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.72); display: flex; flex-direction: column; box-shadow: 0 10px 30px rgba(43,38,64,.05); }
.road-card.accent { background: #d9f3eb; }
.road-card h3 { margin: auto 0 8px; font-size: 26px; letter-spacing: -.035em; }
.road-card p { margin-bottom: 0; color: var(--ink-soft); font-size: 14px; }
.road-icon { width: 58px; height: 58px; display: grid; place-items: center; border-radius: 19px; background: var(--paper); font-size: 28px; }
.road-label { margin-left: auto; color: var(--ink-soft); font-size: 11px; font-weight: 900; letter-spacing: .12em; }

.promise-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; }
.promise { border-top: 4px solid var(--coral); padding-top: 22px; }
.promise:nth-child(2) { border-color: var(--mint); }
.promise:nth-child(3) { border-color: var(--blue); }
.promise strong { display: block; margin-bottom: 8px; font-size: 20px; }
.promise p { color: var(--ink-soft); margin-bottom: 0; }

.social-panel { padding: clamp(30px, 6vw, 62px); display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; border-radius: 36px; background: linear-gradient(125deg, #5968e9, #8358d8 58%, #f05e8c); color: white; overflow: hidden; position: relative; }
.social-panel::after { content: ""; position: absolute; width: 240px; height: 240px; right: -80px; top: -110px; border: 42px solid rgba(255,255,255,.09); border-radius: 50%; }
.social-panel h2 { margin-bottom: 10px; font-size: clamp(34px, 5vw, 56px); letter-spacing: -.055em; line-height: 1.05; }
.social-panel p { margin-bottom: 0; color: rgba(255,255,255,.78); }

.page-hero { padding: 70px 0 52px; }
.page-hero h1 { font-size: clamp(44px, 7vw, 78px); max-width: 900px; }
.breadcrumbs { margin-bottom: 28px; font-size: 13px; color: var(--ink-soft); }
.breadcrumbs a { text-decoration: none; }
.detail-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; align-items: start; }
.detail-card { position: sticky; top: 108px; padding: 26px; background: white; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.detail-card img { border-radius: 20px; }
.detail-card .button { width: 100%; margin-top: 18px; }
.prose h2 { font-size: clamp(30px,4vw,48px); letter-spacing: -.045em; line-height: 1.12; margin: 54px 0 20px; }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { color: var(--ink-soft); }
.fact-list { display: grid; gap: 10px; padding: 0; list-style: none; }
.fact-list li { padding: 15px 17px; background: rgba(255,255,255,.65); border: 1px solid var(--line); border-radius: 14px; }
.notice { padding: 20px; background: #fff0ca; border-radius: 18px; color: #604d19; }
.about-card { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; padding: clamp(30px,6vw,64px); background: white; border: 1px solid var(--line); border-radius: 36px; }
.about-card h2 { font-size: clamp(36px,5vw,60px); line-height: 1.05; letter-spacing: -.055em; }
.footer { margin-top: 70px; padding: 45px 0 36px; background: var(--ink); color: white; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 28px; }
.footer .brand { color: white; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px 28px; }
.footer-links a { color: rgba(255,255,255,.75); text-decoration: none; font-weight: 700; font-size: 13px; }
.copyright { margin: 30px 0 0; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.13); color: rgba(255,255,255,.5); font-size: 12px; }

@media (max-width: 820px) {
  .shell { width: min(100% - 28px, 680px); }
  .desktop-nav { display: none; }
  .menu-button { display: block; }
  .brand small { display: none; }
  .hero { padding-top: 48px; }
  .hero-grid, .game-feature, .detail-grid, .about-card { grid-template-columns: 1fr; gap: 32px; }
  .orbit { min-height: 360px; }
  .fino-stage { min-height: 430px; }
  .orbit::before { width: 330px; height: 330px; }
  .orbit::after { width: 230px; height: 230px; }
  .world-core { width: 190px; }
  .satellite.one { right: 0; }
  .section { padding: 65px 0; }
  .section-head { align-items: start; flex-direction: column; }
  .game-visual { min-height: 330px; }
  .roadmap-grid { grid-template-columns: 1fr; }
  .road-card { min-height: 200px; }
  .promise-grid { grid-template-columns: 1fr; gap: 24px; }
  .social-panel { grid-template-columns: 1fr; }
  .detail-card { position: static; }
}

@media (max-width: 480px) {
  h1 { font-size: 47px; }
  .hero-copy { font-size: 17px; }
  .actions .button { width: 100%; }
  .orbit { min-height: 330px; transform: scale(.9); margin-inline: -18px; }
  .fino-stage { min-height: 390px; border-radius: 30px; }
  .fino-card { padding: 18px 20px 21px; }
  .game-visual { min-height: 280px; }
  .game-content { padding: 28px 24px 34px; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}
