:root {
  --ink: #f3f0e8;
  --cream: #f3f0e8;
  --paper: #0c0e14;
  --card: #161922;
  --muted: #9b968c;
  --line: rgba(243, 240, 232, 0.12);
  --seal: #ff4d6a;
  --gold: #8fd3ff;
  --serif: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --sans: "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", sans-serif;
  --sheet: 440px;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

body {
  margin: 0;
  background: #05060a;
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; }

.sheet {
  width: min(100%, var(--sheet));
  margin: 0 auto;
  min-height: 100dvh;
  background: var(--paper);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  padding: calc(8px + env(safe-area-inset-top)) 16px 8px;
  background: rgba(12, 14, 20, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.brand,
.back {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-decoration: none;
  font-size: 15px;
}

.back {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
}

.hero {
  padding: 32px 20px 8px;
}

.kicker {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--gold);
}

h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 34px;
  line-height: 1.35;
  letter-spacing: 0.04em;
}

.lede {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 18px 16px 8px;
  list-style: none;
}

.app {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 4px 12px;
  align-items: center;
  padding: 14px;
  background: var(--card);
  border-radius: 18px;
}

.app img {
  grid-row: 1 / span 3;
  width: 64px;
  height: 64px;
  border-radius: 16px;
  align-self: start;
}

.app h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.3;
}

.app p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.badge {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  margin-top: 4px;
  padding: 0 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.badge-test {
  background: var(--seal);
  color: white;
}

.badge-live {
  background: var(--gold);
  color: #0c0e14;
}

.badge-soon {
  border: 1px solid rgba(243, 240, 232, 0.28);
  color: var(--muted);
}

.app .btn { grid-column: 1 / -1; margin-top: 8px; }

.mast {
  position: relative;
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 14px;
  align-items: center;
  padding: 20px 18px 22px;
  color: var(--cream);
}

.mast--effera { background: #111111; }
.mast--seki { background: #1b2838; }
.mast--seki::after,
.mast--library::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 5px;
}
.mast--seki::after {
  background: linear-gradient(90deg, #3d7edb 0 42%, #e2b23a 42% 58%, #e24b45 58% 100%);
}
.mast--library {
  background:
    radial-gradient(90px 60px at 88% 18%, rgba(255, 214, 140, 0.28), transparent 70%),
    #1a2744;
}
.mast--music { background: #231238; }
.mast--fon { background: #4a1016; }

.mast img {
  width: 72px;
  height: 72px;
  border-radius: 18px;
}

.mast h1 {
  margin: 0;
  font-size: 28px;
  letter-spacing: 0.03em;
}

.mast .en {
  margin: 2px 0 0;
  font-size: 12px;
  color: rgba(246, 241, 230, 0.72);
}

.mast .badge { margin-top: 8px; }

.mast .badge-soon {
  border-color: rgba(246, 241, 230, 0.45);
  color: var(--cream);
}

.shots {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 14px 16px 0;
  scrollbar-width: none;
}

.shots::-webkit-scrollbar { display: none; }

.shots img {
  height: 280px;
  width: auto;
  max-width: none;
  border-radius: 14px;
  scroll-snap-align: start;
  background: #111;
  border: 1px solid var(--line);
}

.swipe {
  margin: 6px 18px 0;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.lead {
  margin: 0;
  padding: 18px 18px 0;
  font-size: 16px;
  line-height: 1.75;
}

.scene {
  margin: 18px 16px 0;
}

.scene img,
.scene video {
  width: 100%;
  height: auto;
  border-radius: 16px;
  background: #000;
}

.scene p {
  margin: 8px 2px 0;
  font-size: 14.5px;
  line-height: 1.75;
}

.body { padding: 16px 18px 8px; }

.hook {
  margin: 0;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.55;
}

.body > p { margin: 10px 0 0; font-size: 14.5px; }

.points {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.points li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 8px 0;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.points li::before {
  content: "";
  flex: 0 0 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--seal);
  transform: translateY(-1px);
}

.actions {
  display: grid;
  gap: 8px;
  padding: 16px 18px 8px;
}

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 16px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
}

.btn-seal { background: var(--seal); color: white; }
.btn-ink { background: #f3f0e8; color: #0c0e14; }
.btn-ghost {
  background: transparent;
  color: var(--cream);
  border: 1px solid rgba(243, 240, 232, 0.28);
}

.clip {
  margin: 16px 16px 0;
}

.clip video {
  width: 100%;
  height: auto;
  border-radius: 18px;
  background: #000;
}

.clip figcaption {
  margin: 8px 2px 0;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.fine {
  margin: 0;
  padding: 0 18px 12px;
  color: var(--muted);
  font-size: 12px;
}

.steps {
  margin: 16px 16px 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.steps li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  align-items: start;
  padding: 14px 14px 14px 12px;
  background: var(--card);
  border-radius: 16px;
}

.steps li > span {
  font-family: var(--serif);
  font-size: 26px;
  line-height: 1;
  color: var(--seal);
}

.steps strong { display: block; font-size: 15px; }

.steps p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.cautions {
  margin: 14px 18px 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 13px;
}

.cautions li {
  padding: 7px 0;
  border-top: 1px solid var(--line);
}

.faq {
  margin: 22px 16px 0;
  padding: 16px 14px 6px;
  background: var(--card);
  border-radius: 18px;
}

.faq h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
}

.faq h3 {
  margin: 16px 0 0;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
}

.faq p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.7;
}

.faq a { color: var(--ink); }

.site-footer {
  padding: 22px 20px calc(22px + env(safe-area-inset-bottom));
  color: var(--muted);
  font-size: 12px;
}

.site-footer p { margin: 0 0 8px; }
.site-footer a { color: var(--ink); }

.join-lead { font-size: 14px; }

:focus-visible {
  outline: 2px solid var(--seal);
  outline-offset: 3px;
}

@media (min-width: 720px) {
  body { padding: 28px 0; }
  .sheet {
    min-height: auto;
    border-radius: 28px;
    overflow: hidden;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  }
}