:root {
  --bg: #0a0a0c;
  --bg-soft: #121215;
  --card: #16161a;
  --line: #262629;
  --red: #e0323f;
  --red-dim: #7c1f27;
  --ink: #f4f2f2;
  --ink-dim: #9c9698;
  --font-display: 'Zen Kaku Gothic New', sans-serif;
  --font-jp: 'Noto Sans JP', sans-serif;
  --font-body: 'Inter', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-body);
  line-height: 1.65; -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: var(--font-display); margin: 0; }
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
:focus-visible { outline: 3px solid var(--red); outline-offset: 2px; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--red); color: #fff; padding: 12px 20px; z-index: 200; font-weight: 700; }
.skip-link:focus { left: 0; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px; border-radius: 6px; font-weight: 700; font-size: 0.92rem;
  cursor: pointer; border: 1px solid transparent; font-family: var(--font-display);
  transition: transform 0.15s ease, filter 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--red); color: #fff; }
.btn-outline { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-lg { padding: 16px 30px; font-size: 1rem; }
.btn-block { width: 100%; }

/* HEADER */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(10,10,12,0.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; gap: 24px; padding: 16px 32px; }
.logo { display: flex; align-items: center; gap: 8px; font-family: var(--font-display); font-weight: 900; font-size: 1rem; letter-spacing: 0.02em; }
.logo-mark { color: var(--red); }
.logo-accent { color: var(--ink-dim); font-weight: 500; }
.main-nav { flex: 1; display: flex; gap: 24px; }
.main-nav a { font-size: 0.9rem; color: var(--ink-dim); }
.main-nav a:hover { color: var(--red); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); display: block; }

/* HERO */
.hero {
  position: relative; padding: 90px 0 70px; overflow: hidden;
  background:
    linear-gradient(180deg, rgba(10,10,12,0.55) 0%, rgba(10,10,12,0.88) 65%, var(--bg) 100%),
    linear-gradient(90deg, rgba(10,10,12,0.55) 0%, rgba(10,10,12,0.25) 45%, rgba(10,10,12,0.7) 100%),
    url('assets/images/hero-mist-samurai.jpg') center 20% / cover no-repeat;
}
.hero-glow { position: absolute; top: -220px; right: -100px; width: 640px; height: 640px; border-radius: 50%; background: radial-gradient(circle, rgba(224,50,63,0.22), transparent 70%); }
.hero-inner { position: relative; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; }
.eyebrow { color: var(--red); font-size: 0.85rem; letter-spacing: 0.04em; margin-bottom: 18px; }
.hero-title { font-size: clamp(3rem, 8vw, 5.5rem); font-weight: 900; line-height: 0.92; margin-bottom: 10px; }
.hero-jp-sub { font-family: var(--font-jp); color: var(--ink-dim); font-size: 1rem; margin-bottom: 20px; }
.hero-desc { color: var(--ink-dim); max-width: 52ch; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; min-height: 340px; }
.hero-figure { position: relative; width: 220px; }
.figure-hat { width: 200px; height: 60px; background: linear-gradient(160deg, #2a2a2e, #08080a); border-radius: 50% 50% 0 0 / 100% 100% 0 0; margin: 0 auto; box-shadow: 0 10px 30px rgba(0,0,0,0.5); }
.figure-visor { width: 130px; height: 34px; background: #0d0d0f; border-radius: 8px; margin: 6px auto 0; display: flex; align-items: center; justify-content: center; gap: 30px; border: 1px solid var(--red-dim); }
.eye { width: 10px; height: 10px; border-radius: 50%; background: var(--red); box-shadow: 0 0 14px 3px rgba(224,50,63,0.7); }
.figure-body { width: 170px; height: 190px; background: linear-gradient(160deg, #1c1c20, #08080a); border-radius: 30px 30px 16px 16px; margin: -4px auto 0; }
.figure-blade { position: absolute; bottom: 10px; right: -10px; width: 8px; height: 160px; background: linear-gradient(180deg, #e5e5e8, #8a8a90); border-radius: 4px; transform: rotate(18deg); box-shadow: 0 0 16px rgba(224,50,63,0.3); }
.petal { position: absolute; width: 10px; height: 10px; background: var(--red); opacity: 0.5; border-radius: 50% 0 50% 50%; }
.petal-1 { top: 20%; left: 10%; animation: drift 8s ease-in-out infinite; }
.petal-2 { top: 55%; right: 12%; animation: drift 10s ease-in-out infinite 1s; }
.petal-3 { bottom: 15%; left: 20%; animation: drift 9s ease-in-out infinite 2s; }
@keyframes drift { 0%, 100% { transform: translateY(0) rotate(0deg); } 50% { transform: translateY(-18px) rotate(90deg); } }

/* STATS */
.stats-bar { padding: 40px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-soft); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stat-num { display: block; font-family: var(--font-display); font-size: 2rem; font-weight: 900; color: var(--red); }
.stat-label { font-size: 0.78rem; color: var(--ink-dim); text-transform: uppercase; letter-spacing: 0.04em; }

/* SECTION SHARED */
.section-kicker { font-family: var(--font-jp); color: var(--red); font-size: 0.85rem; display: block; margin-bottom: 12px; }
.section-title { font-size: clamp(1.6rem, 3.4vw, 2.2rem); margin-bottom: 16px; }
.section-lead { color: var(--ink-dim); max-width: 62ch; margin-bottom: 40px; }

/* ABOUT */
.about { padding: 90px 0; border-bottom: 1px solid var(--line); }
.about-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; }
.about-copy p { color: var(--ink-dim); margin-bottom: 16px; }
.rarity-card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 26px; align-self: start; }
.rarity-card h3 { margin-bottom: 18px; font-size: 1.1rem; }
.rarity-list { list-style: none; padding: 0; margin: 0 0 18px; display: grid; gap: 14px; }
.rarity-list li { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; }
.rarity-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.rarity-dot--common { background: #8a8a90; }
.rarity-dot--epic { background: #7c9cf6; }
.rarity-dot--mythic { background: var(--red); }
.rarity-note { color: var(--ink-dim); font-size: 0.82rem; margin: 0; }

/* GALLERY */
.gallery { position: relative; padding: 90px 0; border-bottom: 1px solid var(--line); overflow: hidden; }
.gallery::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: url('assets/images/gallery-katana-texture.jpg') center 30% / cover no-repeat;
  opacity: 0.28; filter: grayscale(0.15) contrast(1.05);
}
.gallery::after {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(180deg, var(--bg) 0%, rgba(10,10,12,0.55) 22%, rgba(10,10,12,0.55) 78%, var(--bg) 100%);
}
.gallery > .wrap { position: relative; z-index: 1; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.kensei-card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.kensei-visual { height: 160px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; background: linear-gradient(160deg, #1a1a1e, #0a0a0c); }
.kensei-hat { width: 90px; height: 26px; background: linear-gradient(160deg, #2a2a2e, #08080a); border-radius: 50% 50% 0 0 / 100% 100% 0 0; }
.kensei-visor { width: 60px; height: 16px; background: #0d0d0f; border-radius: 4px; display: flex; align-items: center; justify-content: center; gap: 14px; }
.kensei-visor span { width: 5px; height: 5px; border-radius: 50%; background: var(--red); box-shadow: 0 0 8px 2px rgba(224,50,63,0.6); }
.kensei-card--epic .kensei-visor span { background: #7c9cf6; box-shadow: 0 0 8px 2px rgba(124,156,246,0.6); }
.kensei-card--common .kensei-visor span { background: #8a8a90; box-shadow: none; }
.kensei-body { padding: 18px 20px; }
.kensei-tier { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--red-dim); }
.kensei-card--epic .kensei-tier { color: #7c9cf6; }
.kensei-card--common .kensei-tier { color: var(--ink-dim); }
.kensei-body h3 { font-size: 1rem; margin: 8px 0 4px; }
.kensei-body p { color: var(--ink-dim); font-size: 0.85rem; margin: 0; }

/* ROADMAP */
.roadmap { padding: 90px 0; border-bottom: 1px solid var(--line); }
.roadmap-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 22px; }
.roadmap-step { background: var(--card); border: 1px solid var(--line); border-left: 3px solid var(--red); border-radius: 12px; padding: 22px 26px; }
.roadmap-phase { font-family: var(--font-display); font-size: 0.75rem; color: var(--red); letter-spacing: 0.05em; }
.roadmap-step h3 { font-size: 1.1rem; margin: 8px 0; }
.roadmap-step p { color: var(--ink-dim); font-size: 0.9rem; margin: 0; }

/* FAQ */
.faq { padding: 90px 0; border-bottom: 1px solid var(--line); }
.faq-list { display: grid; gap: 12px; max-width: 780px; }
.faq-item { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px 22px; }
.faq-item summary { cursor: pointer; font-weight: 700; }
.faq-item p { color: var(--ink-dim); margin: 12px 0 0; font-size: 0.9rem; }

/* CONTACT */
.contact-cta {
  position: relative; padding: 90px 0; overflow: hidden;
  background:
    linear-gradient(180deg, var(--bg) 0%, rgba(10,10,12,0.78) 12%, rgba(10,10,12,0.82) 88%, var(--bg) 100%),
    url('assets/images/community-dojo-hall.jpg') center 35% / cover no-repeat;
}
.contact-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-list { display: grid; gap: 16px; margin-top: 26px; }
.contact-list dt { font-size: 0.72rem; color: var(--ink-dim); text-transform: uppercase; letter-spacing: 0.05em; }
.contact-list dd { margin: 4px 0 0; font-weight: 600; }
.contact-list a { color: var(--red); }

.contact-form { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 30px; }
.contact-form h3 { margin-bottom: 20px; }
.form-row { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-row label { font-size: 0.85rem; font-weight: 600; }
.form-row input, .form-row textarea {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px;
  color: var(--ink); font-family: var(--font-body); font-size: 0.95rem;
}
.form-row input:focus, .form-row textarea:focus { outline: 2px solid var(--red); }
.form-row input[aria-invalid="true"], .form-row textarea[aria-invalid="true"] { border-color: #f16565; }
.form-error { color: #f16565; font-size: 0.78rem; min-height: 1em; }
.form-success { margin-top: 16px; background: rgba(224,50,63,0.12); padding: 14px; border-radius: 10px; font-size: 0.9rem; }

/* FOOTER */
.site-footer { padding: 30px 0; border-top: 1px solid var(--line); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-links { display: flex; gap: 18px; }
.footer-links a { color: var(--ink-dim); font-size: 0.85rem; }
.footer-links a:hover { color: var(--red); }
.footer-copy { color: #5c5860; font-size: 0.76rem; margin: 0; }

/* TOAST */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--card); border: 1px solid var(--red); color: var(--ink); padding: 12px 22px;
  border-radius: 999px; font-size: 0.85rem; opacity: 0; pointer-events: none; transition: all 0.3s ease; z-index: 300;
}
.toast.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 980px) {
  .hero-inner, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .stats-grid, .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-visual { order: -1; }
}

@media (max-width: 720px) {
  .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .main-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg);
    border-bottom: 1px solid var(--line); flex-direction: column; gap: 0; padding: 8px 32px 16px;
  }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .stats-grid, .gallery-grid { grid-template-columns: 1fr; }
}