@charset "UTF-8";

:root {
  --bg: #efe6d4;
  --ink: #1b2430;
  --mute: #5d6758;
  --brick: #c45c26;
  --teal: #1d6b63;
  --paper: #fff8ee;
  --night: #142028;
  --gold: #d7b15a;
  --line: rgba(27, 36, 48, 0.12);
  --nav-shadow: 2px 2px 0 rgba(27, 36, 48, 0.28);
  --header-h: 74px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--bg);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; color: inherit; background: none; border: 0; }
button { cursor: pointer; }
.shell { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }

.paper-grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.35;
  background-image:
    radial-gradient(circle at 20% 10%, rgba(196, 92, 38, 0.08), transparent 28%),
    repeating-linear-gradient(0deg, transparent, transparent 3px, rgba(27, 36, 48, 0.02) 3px, rgba(27, 36, 48, 0.02) 4px);
}

.site-header, main, .site-footer { position: relative; z-index: 1; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: rgba(255, 248, 238, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.header-bar {
  height: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 16px;
  align-items: center;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
}
.brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  background: #fff;
  box-shadow: var(--nav-shadow);
}
.brand-copy { display: grid; line-height: 1.15; }
.brand-copy small { color: var(--mute); font-size: 11px; letter-spacing: 0.12em; }
.main-nav { justify-self: end; }
.main-nav ul {
  display: flex;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.main-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 42px;
  font-size: 14px;
  font-weight: 800;
}
.main-nav a.is-active::after,
.main-nav a:hover::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 8px;
  height: 2px;
  background: var(--brick);
}
.header-download,
.mobile-download,
.btn-main {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  background: var(--brick);
  color: #fff;
  font-weight: 800;
  box-shadow: var(--nav-shadow);
}
.header-download:hover,
.btn-main:hover { background: #a84b1d; }
.mobile-actions { display: none; align-items: center; gap: 8px; }
.menu-toggle {
  width: 42px;
  height: 42px;
  display: grid;
  place-content: center;
  gap: 5px;
  border: 1px solid var(--line);
}
.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
}

.hero {
  padding: 36px 0 64px;
  background:
    linear-gradient(120deg, rgba(29, 107, 99, 0.08), transparent 40%),
    var(--bg);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 460px);
  gap: 40px;
  align-items: center;
}
.eyebrow {
  margin: 0 0 10px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.18em;
}
.hero h1 {
  margin: 0 0 8px;
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  letter-spacing: 0.04em;
}
.hero-slogan {
  margin: 0 0 14px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--brick);
}
.hero-intro {
  margin: 0 0 18px;
  max-width: 42ch;
  color: var(--mute);
}
.rail-switch {
  display: inline-flex;
  padding: 4px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 6px 8px 0 rgba(29, 107, 99, 0.12);
  margin-bottom: 10px;
}
.rail-switch button {
  min-height: 36px;
  padding: 0 14px;
  font-weight: 800;
}
.rail-switch button.is-on {
  background: var(--teal);
  color: #fff;
}
.rail-note { margin: 0 0 18px; font-size: 13px; font-weight: 700; color: var(--teal); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.text-link { font-weight: 800; color: var(--teal); border-bottom: 2px solid var(--gold); }
.page-stamp { margin: 16px 0 0; font-size: 12px; color: #8a8474; }

.hero-plaza {
  position: relative;
  min-height: 460px;
}
.phone {
  position: absolute;
  width: 210px;
  padding: 12px 10px 14px;
  background: #10161c;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 14px 18px 0 rgba(196, 92, 38, 0.18);
}
.phone .notch {
  width: 72px;
  height: 8px;
  margin: 0 auto 8px;
  border-radius: 99px;
  background: #2a333c;
}
.phone img {
  width: 100%;
  height: auto;
  max-height: 390px;
  object-fit: contain;
  background: #000;
}
.phone-a { left: 8px; top: 18px; transform: rotate(-6deg); animation: floaty 5s ease-in-out infinite; }
.phone-b { right: 6px; top: 64px; transform: rotate(5deg); box-shadow: 14px 18px 0 rgba(29, 107, 99, 0.2); animation: floaty 5.6s ease-in-out 0.4s infinite; }
.float-chip {
  position: absolute;
  z-index: 2;
  display: grid;
  gap: 2px;
  min-width: 128px;
  padding: 10px 12px;
  background: var(--paper);
  border: 1px solid var(--ink);
  box-shadow: 4px 5px 0 rgba(27, 36, 48, 0.18);
  font-size: 12px;
  font-weight: 800;
}
.float-chip b { color: var(--brick); letter-spacing: 0.08em; }
.chip-a { left: -8px; bottom: 42px; animation: floaty 4.4s ease-in-out infinite; }
.chip-b { right: -4px; top: 12px; animation: floaty 4.8s ease-in-out 0.3s infinite; }

@keyframes floaty {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -8px; }
}

.section-heading { margin-bottom: 28px; }
.section-heading span {
  display: block;
  margin-bottom: 6px;
  color: var(--brick);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
}
.section-heading.light span { color: var(--gold); }
.section-heading h2 { margin: 0 0 8px; font-size: clamp(1.6rem, 3vw, 2.2rem); }
.section-heading p { margin: 0; color: var(--mute); }

.tracks { padding: 72px 0; background: var(--paper); }
.track-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.track-card {
  padding: 26px 22px;
  border: 2px solid var(--ink);
  box-shadow: 10px 12px 0 rgba(27, 36, 48, 0.12);
}
.track-card.anime {
  background:
    radial-gradient(circle at 100% 0%, rgba(29, 107, 99, 0.16), transparent 40%),
    #fff;
}
.track-card.manga {
  background:
    radial-gradient(circle at 0% 100%, rgba(196, 92, 38, 0.16), transparent 40%),
    #fff8ee;
  transform: translateY(18px);
}
.track-label {
  display: inline-block;
  margin-bottom: 10px;
  padding: 2px 8px;
  background: var(--night);
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
}
.track-card h3 { margin: 0 0 10px; }
.track-card p { margin: 0 0 14px; color: var(--mute); }
.track-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.track-card li {
  padding: 4px 10px;
  background: rgba(29, 107, 99, 0.1);
  font-size: 13px;
  font-weight: 800;
}
.meter {
  display: flex;
  gap: 6px;
  margin-top: 18px;
  height: 10px;
}
.meter i {
  flex: 1;
  background: #d7ebe8;
  animation: pulse 1.6s ease-in-out infinite;
}
.meter i:nth-child(2) { animation-delay: 0.15s; background: #9fd0c9; }
.meter i:nth-child(3) { animation-delay: 0.3s; background: #5ea79e; }
.meter i:nth-child(4) { animation-delay: 0.45s; background: var(--teal); }
.mini-pages {
  display: flex;
  gap: 8px;
  margin-top: 18px;
}
.mini-pages span {
  width: 38px;
  height: 52px;
  background: linear-gradient(180deg, #fff, #f0d9c4);
  border: 1px solid var(--line);
  box-shadow: 3px 4px 0 rgba(196, 92, 38, 0.2);
}
.mini-pages span:nth-child(2) { transform: translateY(-6px); }
.mini-pages span:nth-child(3) { transform: translateY(4px); }

@keyframes pulse {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}

.booths {
  padding: 72px 0;
  background:
    linear-gradient(180deg, #1a2730 0%, #10181d 100%);
  color: #f6efe2;
}
.booths .section-heading p { color: #b7c0b4; }
.booth-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.booth {
  margin: 0;
  background: #1e2b33;
  border: 1px solid rgba(215, 177, 90, 0.28);
  box-shadow: 0 22px 40px rgba(0, 0, 0, 0.28);
}
.booth.alt { transform: translateY(22px); border-color: rgba(196, 92, 38, 0.4); }
.booth-head {
  display: flex;
  justify-content: space-between;
  padding: 12px 16px;
  background: #0f161a;
  font-weight: 800;
}
.booth-head b { color: var(--gold); }
.booth-glass {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 14px;
  background: #0c1216;
}
.booth-glass img {
  width: 100%;
  height: auto;
  max-height: 360px;
  object-fit: contain;
  background: #000;
}
.booth figcaption {
  padding: 12px 16px 16px;
  font-weight: 800;
}
.booth:hover .booth-glass { transform: translateY(-3px); transition: transform 0.25s ease; }

.faq-section { padding: 72px 0; background: #e9dfc8; }
.notice-press {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 2px solid var(--ink);
  background: var(--paper);
  box-shadow: 12px 14px 0 rgba(196, 92, 38, 0.16);
}
.notice-press article {
  padding: 22px 20px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.notice-press article:nth-child(2n) { border-right: 0; }
.notice-press time {
  display: block;
  margin-bottom: 8px;
  color: var(--brick);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
}
.notice-press h3 { margin: 0 0 8px; font-size: 1.05rem; }
.notice-press p { margin: 0; color: var(--mute); }

.reviews { padding: 72px 0; background: var(--paper); }
.ledger {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink);
}
.ledger li {
  display: grid;
  grid-template-columns: 92px 150px 1fr auto;
  gap: 12px;
  align-items: start;
  padding: 16px 8px;
  border-bottom: 1px dashed rgba(27, 36, 48, 0.2);
}
.ledger li:nth-child(odd) { background: rgba(29, 107, 99, 0.05); }
.ledger .no {
  font-weight: 900;
  color: var(--teal);
  letter-spacing: 0.04em;
}
.ledger time { color: var(--mute); font-size: 13px; font-weight: 700; }
.ledger p { margin: 0; }
.ledger em { color: #8a8474; font-style: normal; font-size: 13px; font-weight: 800; }

.download-section { padding: 20px 0 72px; background: #e9dfc8; }
.gate-pass {
  position: relative;
  overflow: hidden;
  border: 2px solid var(--ink);
  background:
    linear-gradient(90deg, var(--night) 0 160px, transparent 160px),
    repeating-linear-gradient(90deg, rgba(215, 177, 90, 0.12), rgba(215, 177, 90, 0.12) 12px, transparent 12px, transparent 24px),
    var(--paper);
  box-shadow: 0 16px 0 rgba(29, 107, 99, 0.2);
}
.gate-pass::before {
  content: "GATE\A PASS";
  white-space: pre;
  position: absolute;
  width: 160px;
  padding: 28px 12px;
  color: var(--gold);
  font-weight: 900;
  letter-spacing: 0.18em;
  text-align: center;
  line-height: 1.4;
}
.pass-body {
  padding: 36px 28px 32px 188px;
}
.pass-body h2 { margin: 0 0 8px; }
.pass-body p { margin: 0 0 16px; color: var(--mute); max-width: 46ch; }

.site-footer {
  padding: 34px 0 18px;
  background: #0c1210;
  color: #dce6d8;
}
.footer-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: flex-end;
  font-size: 13px;
  font-weight: 800;
}
.footer-nav a:hover { color: var(--gold); }
.copyright {
  width: min(1160px, calc(100% - 40px));
  margin: 14px auto 0;
  color: #7f8a7c;
  font-size: 12px;
}

.back-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 60;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  visibility: hidden;
  opacity: 0;
  background: var(--brick);
  box-shadow: var(--nav-shadow);
  transition: opacity 0.2s ease;
}
.back-top::before {
  content: "";
  width: 12px;
  height: 12px;
  border-left: 2px solid #fff;
  border-top: 2px solid #fff;
  transform: translateY(3px) rotate(45deg);
}
.back-top.is-visible { visibility: visible; opacity: 1; }

@media (max-width: 980px) {
  .header-bar { grid-template-columns: 1fr auto; }
  .header-download { display: none; }
  .mobile-actions { display: flex; }
  .main-nav {
    position: fixed;
    top: var(--header-h);
    right: 0;
    left: 0;
    display: none;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    justify-self: stretch;
  }
  .main-nav.is-open { display: block; }
  .main-nav ul { flex-direction: column; gap: 0; padding: 8px 18px 16px; }
  .main-nav a {
    height: auto;
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
  }
  .main-nav a.is-active::after { display: none; }
  .hero-grid { display: flex; flex-direction: column; gap: 28px; }
  .hero-copy { text-align: center; }
  .hero-intro { margin-inline: auto; }
  .hero-actions, .rail-switch { justify-content: center; }
  .hero-plaza { min-height: 420px; margin: 0 auto; width: min(100%, 360px); }
  .track-pair, .booth-pair, .notice-press, .footer-row {
    grid-template-columns: 1fr;
  }
  .track-card.manga, .booth.alt { transform: none; }
  .ledger li { grid-template-columns: 1fr 1fr; }
  .ledger p { grid-column: 1 / -1; }
  .pass-body { padding: 28px 20px; }
  .gate-pass::before { display: none; }
  .btn-main { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .phone-a, .phone-b, .float-chip, .meter i { animation: none; }
}