@font-face { font-family: "Noto Sans JP"; src: url("assets/fonts/NotoSansJP.ttf") format("truetype"); font-weight: 100 900; font-display: swap; }

* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --night: #0a0e1a;
  --deep: #111833;
  --shrine-red: #8b2232;
  --gold: #c9a84c;
  --sakura: #e8a0bf;
  --text: #e8e4df;
  --text-dim: #8a8690;
  --font: "Noto Sans JP", sans-serif;
}

html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--night); opacity: 1; color: var(--text); overflow-x: hidden; }

/* ── Loader ─────────────────────────────── */
#loader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--night); opacity: 1;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  transition: opacity 0.6s;
}
#loader.done { opacity: 0; pointer-events: none; }
.loader-logo {
  font-size: 2rem; font-weight: 300;
  letter-spacing: 0.3em; color: var(--gold);
  margin-bottom: 2rem;
}
.loader-bar {
  width: 200px; height: 2px;
  background: rgba(255,255,255,0.1);
  border-radius: 1px; overflow: hidden;
}
.loader-fill {
  height: 100%; width: 0%;
  background: var(--gold);
  transition: width 0.3s;
}

/* ── Splash ─────────────────────────────── */
#splash {
  position: fixed; inset: 0; z-index: 8888;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
}
#splash.hidden { display: none; }
.splash-bg {
  position: absolute; inset: 0;
  background: var(--night); opacity: 1;
  filter: brightness(0.5);
}
.splash-content {
  position: relative; text-align: center; z-index: 1;
}
.splash-title {
  font-size: clamp(2.2rem, 6vw, 5.2rem);
  font-weight: 900; letter-spacing: 0.05em;
  color: var(--text);
  text-shadow: 0 0 60px rgba(201,168,76,0.3);
}
.splash-sub {
  font-size: clamp(1rem, 2.5vw, 1.6rem);
  font-weight: 300; color: var(--gold);
  letter-spacing: 0.2em; margin: 1rem 0 3rem;
}
#enter-btn {
  background: none; border: 1px solid var(--gold);
  color: var(--gold); font-family: var(--font);
  font-size: 1rem; letter-spacing: 0.3em;
  padding: 0.8rem 3rem; cursor: pointer;
  transition: all 0.3s;
}
#enter-btn:hover {
  background: var(--gold); color: var(--night);
}

/* ── Main Landing ───────────────────────── */
#landing { display: none; }
#landing.visible { display: block; }

/* ── Sections ───────────────────────────── */
.section {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.parallax-bg {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover; background-position: center;
  will-change: transform;
}
.section-content {
  position: relative; z-index: 2;
  text-align: center; max-width: 800px;
  padding: 2rem;
}
.section h1 {
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 900; letter-spacing: 0.03em;
}
.section h2 {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 700; margin-bottom: 1rem;
}
.section p, .tagline {
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 300; color: var(--text-dim);
  line-height: 1.8;
}

/* ── Hero ───────────────────────────────── */
.hero .parallax-bg {
  background-image: url("assets/img/hero.jpg");
  filter: brightness(0.5);
}
.hero .hero-content { position: absolute; bottom: 3rem; left: 0; right: 0; top: auto; max-width: 100%; text-align: center; }

/* ── Characters ─────────────────────────── */
.chars { flex-direction: column; min-height: auto; }
.char-band {
  position: relative; width: 100%; min-height: 60vh;
  display: flex; align-items: center;
  overflow: hidden;
}
.char-band:nth-child(odd) { flex-direction: row; justify-content: center; }
.char-band:nth-child(even) { flex-direction: row-reverse; justify-content: center; }
.char-img {
  flex: 1; min-height: 60vh;
  background-size: cover; background-position: center;
  transform: scale(1.1);
  transition: transform 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.char-img.visible { transform: scale(1); }

.char-band[data-char="nyala"] .char-img { background-image: url("assets/img/nyala.jpg"); }
.char-band[data-char="rin"] .char-img { background-image: url("assets/img/rin.jpg"); }
.char-band[data-char="kuro"] .char-img { background-image: url("assets/img/kuro.jpg"); }
.char-band[data-char="sora"] .char-img { background-image: url("assets/img/sora.jpg"); }

.char-info { text-align: center; max-width: 600px; margin: 0 auto;
  flex: 1; padding: 4rem;
  opacity: 0; transform: translateY(30px);
  transition: all 0.8s ease;
}
.char-info.visible { opacity: 1; transform: translateY(0); }
.char-info h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  color: var(--gold); margin-bottom: 0.5rem;
}
.char-info p { color: var(--text-dim); }

/* ── Music ──────────────────────────────── */
.music { background: var(--deep); }
.music .parallax-bg {
  background-image: url("assets/img/music-bg.jpg");
  filter: brightness(0.2);
}
.music-player { margin-top: 2rem; }
.track {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.5rem; margin: 0.5rem 0;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 4px; transition: background 0.3s;
}
.track:hover { background: rgba(255,255,255,0.1); }
.track-name { font-weight: 400; letter-spacing: 0.1em; }
.play-btn {
  background: none; border: none;
  color: var(--gold); font-size: 1.5rem;
  cursor: pointer; transition: transform 0.2s;
}
.play-btn:hover { transform: scale(1.2); }

/* ── World ──────────────────────────────── */
.world .parallax-bg {
  background-image: url("assets/img/world.jpg");
  filter: brightness(0.3);
}

/* ── Story ──────────────────────────────── */
.story { background: var(--night); opacity: 1; }
.story-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 2rem; margin-top: 2rem;
}
.story-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px; overflow: hidden;
  transition: transform 0.3s;
}
.story-card:hover { transform: translateY(-4px); }
.story-img {
  height: 200px; background-size: cover; background-position: center;
}
.story-img[data-season="1"] { background-image: url("assets/img/s1.jpg"); }
.story-img[data-season="2"] { background-image: url("assets/img/s2.jpg"); }
.story-img[data-season="3"] { background-image: url("assets/img/s3.jpg"); }
.story-card h3 { padding: 1rem 1rem 0.3rem; color: var(--gold); }
.story-card p { padding: 0 1rem 1rem; color: var(--text-dim); font-size: 0.9rem; }

/* ── Download ───────────────────────────── */
.download {
  background: linear-gradient(180deg, var(--night) 0%, var(--deep) 100%);
}
.download-btn {
  display: inline-block; margin-top: 2rem;
  padding: 1rem 4rem; font-family: var(--font);
  font-size: 1.2rem; letter-spacing: 0.2em;
  color: var(--night); background: var(--gold);
  border: none; border-radius: 4px;
  text-decoration: none; cursor: pointer;
  transition: all 0.3s;
}
.download-btn:hover { background: var(--sakura); }
.download-sub { margin-top: 1rem; color: var(--text-dim); font-size: 0.9rem; }

/* ── Kagura Guide ───────────────────────── */
.kagura-guide {
  position: absolute; bottom: 2rem; z-index: 10;
  opacity: 0; transform: translateY(20px);
  transition: all 0.6s ease;
}
.kagura-guide.visible { opacity: 1; transform: translateY(0); }
.kagura-guide[data-pos="right"] { right: 2rem; }
.kagura-guide[data-pos="left"] { left: 2rem; }
.kagura-bubble {
  background: rgba(201,168,76,0.15);
  border: 1px solid rgba(201,168,76,0.3);
  border-radius: 12px; padding: 0.8rem 1.2rem;
  font-size: 0.95rem; color: var(--gold);
  max-width: 280px; backdrop-filter: blur(10px);
}

/* ── Footer ─────────────────────────────── */
footer {
  text-align: center; padding: 3rem 2rem;
  background: var(--night); opacity: 1;
  border-top: 1px solid rgba(255,255,255,0.05);
}
footer p { color: var(--text-dim); font-size: 0.85rem; }
.footer-links { margin-top: 1rem; }
.footer-links a {
  color: var(--gold); text-decoration: none;
  margin: 0 1rem; font-size: 0.9rem;
  transition: color 0.3s;
}
.footer-links a:hover { color: var(--sakura); }

/* ── Scroll Animations ──────────────────── */
.fade-in {
  opacity: 0; transform: translateY(40px);
  transition: all 0.8s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ── Responsive ─────────────────────────── */
@media (max-width: 768px) {
  .char-band, .char-band:nth-child(even) {
    flex-direction: column;
  }
  .char-info { text-align: center; max-width: 600px; margin: 0 auto; padding: 2rem; }
  .story-grid { grid-template-columns: 1fr; }
  .kagura-guide { display: none; }
}

.hidden { display: none !important; }

.hero-play-btn {
  display: inline-block; margin-top: 1.5rem;
  background: none; border: 1px solid var(--gold);
  color: var(--gold); font-family: var(--font);
  font-size: 1rem; letter-spacing: 0.3em;
  padding: 0.8rem 3rem; cursor: pointer;
  text-decoration: none; transition: all 0.3s;
}
.hero-play-btn:hover {
  background: var(--gold); color: var(--night);
}

.scroll-hint {
  margin-top: 1.5rem;
  color: var(--gold);
  font-size: 1.5rem;
  animation: wiggle 2s ease-in-out infinite;
}
@keyframes wiggle {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}