:root {
  --void: #090908;
  --ivory: #f7f4ed;
  --ink: #1c1814;
  --muted: #5e584e;
  --quiet: #c9c0b2;
  --gold: #a68456;
  --gold-2: #e6d3b0;
  --line: rgba(166, 132, 86, 0.38);
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", "Noto Serif CJK", ui-serif, serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans CJK", "WenQuanYi Micro Hei", sans-serif;
  --mono: "SFMono-Regular", "Noto Sans Mono", ui-monospace, monospace;
  --shell: min(980px, calc(100% - 80px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--void); color-scheme: dark; }
body {
  margin: 0;
  background: var(--void);
  color: var(--ivory);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}
img { max-width: 100%; height: auto; }
a { color: inherit; }
::selection { background: var(--gold-2); color: var(--ink); }
:focus-visible { outline: 1px solid var(--gold-2); outline-offset: 4px; }

.skip {
  position: absolute;
  left: 20px;
  top: -48px;
  z-index: 40;
  padding: 8px 12px;
  background: var(--gold-2);
  color: var(--ink);
  text-decoration: none;
}
.skip:focus { top: 12px; }
.shell { width: var(--shell); margin: 0 auto; }
.eyebrow {
  margin: 0 0 22px;
  color: var(--gold-2);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.34em;
  text-transform: uppercase;
}

.bar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(9, 9, 8, 0.94);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.bar .shell {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  color: var(--ivory);
  text-decoration: none;
  letter-spacing: 0.18em;
  font-size: 13px;
}
.brand i {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--gold);
  color: var(--gold-2);
  font-family: var(--serif);
  font-style: normal;
  font-size: 15px;
  letter-spacing: 0;
}
.bar nav { display: flex; gap: 8px 22px; }
.bar nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--quiet);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-decoration: none;
}
.bar nav a:hover { color: var(--ivory); }

.opening {
  position: relative;
  min-height: 0;
  display: flex;
  align-items: flex-start;
  isolation: isolate;
  overflow: hidden;
  background: var(--void);
}
.opening canvas,
.close canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.opening-copy {
  position: relative;
  z-index: 2;
  padding: 28px 0 56px;
}
.aside {
  max-width: 22em;
  margin: 16px 0 0;
  color: var(--quiet);
  font-size: 16px;
  line-height: 1.75;
}
.mark {
  font-style: normal;
  font-weight: 550;
  border-bottom: 1px solid var(--gold-2);
}
.paper .mark { border-bottom-color: #8d6b3a; }
.opening h1 {
  margin: 0;
  max-width: 8em;
  font-family: var(--serif);
  font-size: clamp(40px, 5.6vw, 80px);
  font-weight: 450;
  line-height: 1.08;
  letter-spacing: -0.04em;
}
.slogan-tail { display: block; }
.promise {
  margin: 28px 0 0;
  font-family: var(--serif);
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 450;
  letter-spacing: 0.01em;
}
.roll {
  max-width: 38em;
  margin: 28px 0 0;
  color: var(--quiet);
  font-size: 13px;
  line-height: 2.2;
  letter-spacing: 0.06em;
}
.roll a { text-decoration: none; border-bottom: 1px solid transparent; }
.roll a:hover { border-bottom-color: var(--gold-2); color: var(--ivory); }
.cta {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: 32px;
  color: var(--gold-2);
  font-size: 12px;
  letter-spacing: 0.28em;
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
}
.cta:hover { color: var(--ivory); border-bottom-color: var(--ivory); }
.bar-line {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 18px;
  background: #000;
  border-top: 1px solid rgba(230, 211, 176, 0.72);
}

.film { margin: 0; background: #000; }
.frame {
  height: min(92svh, 920px);
  overflow: hidden;
  background: #000;
}
.frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.film figcaption,
.source {
  width: var(--shell);
  margin: 0 auto;
  padding: 18px 0 36px;
  color: var(--gold-2);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}
.film figcaption a,
.source a { text-decoration: none; border-bottom: 1px solid rgba(230, 211, 176, 0.45); }
.film.hold .frame { height: min(100svh, 1040px); }
.film.plate .frame { height: auto; }
.film.plate .frame img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.paper {
  position: relative;
  background: var(--ivory);
  color: var(--ink);
  color-scheme: light;
}
.paper .eyebrow { color: #8d6b3a; }
.wordmark {
  margin: 0;
  padding: clamp(72px, 12vw, 140px) 0 0;
}
.wordmark img {
  display: block;
  width: min(920px, calc(100% - 48px));
  margin: 0 auto;
}
.wordmark figcaption {
  width: var(--shell);
  margin: 28px auto 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
}
.wordmark figcaption a { color: inherit; }
.statement {
  padding: clamp(48px, 8vw, 88px) 0 clamp(20px, 4vw, 36px);
}
.statement p {
  max-width: 16em;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 450;
  line-height: 1.35;
  letter-spacing: -0.03em;
}
.statement p + p {
  max-width: 28em;
  margin-top: 22px;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.8;
  letter-spacing: 0;
  color: var(--muted);
}

.catalog { padding: clamp(64px, 9vw, 100px) 0 clamp(88px, 12vw, 140px); }
.catalog h2 {
  margin: 0 0 36px;
  font-family: var(--serif);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 450;
  letter-spacing: -0.03em;
}
.index { list-style: none; margin: 0; padding: 0; }
.index li {
  display: grid;
  grid-template-columns: 52px minmax(0, 0.82fr) minmax(0, 1.15fr);
  gap: 12px 28px;
  align-items: baseline;
  padding: 26px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 84px;
}
.index li:last-child { border-bottom: 1px solid var(--line); }
.index span {
  color: #8d6b3a;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
}
.index h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(26px, 2.6vw, 34px);
  font-weight: 450;
  letter-spacing: -0.03em;
  line-height: 1.2;
}
.index p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
.index a { color: inherit; }

.field {
  padding: clamp(80px, 11vw, 128px) 0 clamp(40px, 6vw, 72px);
  background:
    radial-gradient(ellipse at 80% 0%, rgba(226, 232, 236, 0.045), transparent 42%),
    var(--void);
}
.field h2 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 450;
  letter-spacing: -0.04em;
}
.field-list {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
}
.field-list li {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(200px, 0.72fr);
  gap: 28px 56px;
  align-items: center;
  padding: 40px 0 44px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 84px;
}
.field-list li:last-child { border-bottom: 1px solid var(--line); }
.field-list figure { margin: 0; min-width: 0; }
.field-list img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(166, 132, 86, 0.55);
  border-radius: 12px;
}
.field-list h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 450;
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.field-list p {
  margin: 14px 0 0;
  color: var(--quiet);
  font-size: 16px;
  line-height: 1.8;
}

.monogram {
  padding: clamp(108px, 16vw, 180px) 0;
  text-align: center;
  border-top: 1px solid var(--line);
}
.monogram img { width: min(520px, 70%); height: auto; }
.monogram h2 {
  margin: 36px 0 0;
  font-family: var(--serif);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 450;
  letter-spacing: -0.03em;
}
.monogram p { max-width: 28em; margin: 16px auto 0; color: var(--muted); font-size: 15px; }
.monogram .source {
  width: auto;
  margin-top: 28px;
  padding: 0;
  color: #8d6b3a;
}

.close {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(96px, 12vw, 140px) 0 calc(48px + env(safe-area-inset-bottom));
  background: var(--void);
}
.close h2 {
  max-width: 8em;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 450;
  line-height: 1.12;
  letter-spacing: -0.04em;
}
.where { margin: 18px 0 0; color: var(--quiet); }
.signoff { margin-top: 36px; color: var(--gold-2); font-size: 12px; letter-spacing: 0.2em; }
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  margin: 56px 0 0;
  padding: 0;
  list-style: none;
}
.steps span {
  display: block;
  color: var(--gold-2);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
}
.steps p {
  margin: 12px 0 0;
  color: var(--ivory);
  font-family: var(--serif);
  font-size: clamp(20px, 2.1vw, 26px);
  font-weight: 450;
  line-height: 1.45;
  letter-spacing: -0.02em;
}

.qr-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 28px 48px;
  margin-top: 72px;
}
.qr-seat {
  width: min(220px, calc(50% - 24px));
  margin: 0;
}
.qr-seat img {
  display: block;
  width: 100%;
  height: auto;
  background: #fff;
  border: 1px solid rgba(166, 132, 86, 0.55);
}
.qr-seat figcaption {
  margin-top: 16px;
  color: var(--gold-2);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.28em;
}
.colophon {
  margin-top: 72px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--quiet);
  font-size: 13px;
}
.colophon p { margin: 8px 0; }
.colophon a { color: var(--gold-2); }
.mail { font-family: var(--mono); }

@property --mesh-angle {
  syntax: "<angle>";
  inherits: false;
  initial-value: 18deg;
}
.opening::before,
.close::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    conic-gradient(from var(--mesh-angle, 18deg) at 30% 22%,
      rgba(247, 244, 237, 0.10),
      rgba(186, 198, 210, 0.06) 18%,
      transparent 34%,
      rgba(232, 236, 240, 0.08) 52%,
      transparent 68%,
      rgba(168, 180, 192, 0.05) 84%,
      rgba(247, 244, 237, 0.09));
  transform: scale(1.2);
}
.opening::after,
.close::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.16;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 160px 160px;
}
.aurora {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  filter: blur(54px);
}
.aurora span {
  position: absolute;
  border-radius: 50%;
  mix-blend-mode: screen;
}
.aurora span:nth-child(1) {
  width: 62%;
  height: 78%;
  left: -12%;
  top: 6%;
  background: radial-gradient(circle, rgba(247, 244, 237, 0.42), transparent 68%);
}
.aurora span:nth-child(2) {
  width: 50%;
  height: 64%;
  right: -14%;
  top: -8%;
  background: radial-gradient(circle, rgba(186, 198, 210, 0.38), transparent 70%);
}
.aurora span:nth-child(3) {
  width: 46%;
  height: 58%;
  left: 28%;
  bottom: -16%;
  background: radial-gradient(circle, rgba(214, 220, 226, 0.28), transparent 68%);
}
.close > .shell { position: relative; z-index: 2; }
.bar-line { z-index: 2; }

@media (prefers-reduced-motion: no-preference) {
  .opening-copy { animation: rise 1.3s ease both; }
  .bar-line { animation: gleam 9s ease-in-out infinite alternate; }
  .opening::before,
  .close::before { animation: mesh-turn 36s linear infinite; }
  .aurora span:nth-child(1) { animation: drift-a 19s ease-in-out infinite alternate; }
  .aurora span:nth-child(2) { animation: drift-b 27s ease-in-out infinite alternate; }
  .aurora span:nth-child(3) { animation: drift-c 23s ease-in-out infinite alternate; }
}
@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}
@keyframes drift {
  from { transform: scale(1.035); }
  to { transform: scale(1.09) translate3d(-1.2%, -0.6%, 0); }
}
@keyframes gleam {
  from { border-top-color: rgba(226, 232, 236, 0.28); }
  to { border-top-color: rgba(226, 232, 236, 0.92); }
}
@keyframes mesh-turn {
  to { --mesh-angle: 378deg; }
}
@keyframes drift-a {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(8%, 6%, 0) scale(1.12); }
}
@keyframes drift-b {
  from { transform: translate3d(0, 0, 0) scale(1.04); }
  to { transform: translate3d(-7%, 9%, 0) scale(0.92); }
}
@keyframes drift-c {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(6%, -8%, 0) scale(1.08); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .opening::before,
  .close::before,
  .aurora span { animation: none; }
}

@media (max-width: 800px) {
  :root { --shell: calc(100% - 40px); }
  .bar .shell { gap: 12px; }
  .opening-copy { padding: 20px 0 36px; }
  .opening h1 { max-width: none; font-size: clamp(32px, 8.2vw, 40px); letter-spacing: -0.03em; line-height: 1.12; }
  .aside { font-size: 17px; line-height: 1.7; margin-top: 14px; }
  .promise { margin-top: 18px; }
  .roll { font-size: 15px; line-height: 2.3; letter-spacing: 0.02em; }
  .roll a { display: inline-block; padding: 8px 2px; }
  .index li { grid-template-columns: 36px minmax(0, 1fr); row-gap: 8px; padding: 22px 0; }
  .index p { grid-column: 2; font-size: 16px; line-height: 1.7; }
  .index h3 { font-size: 26px; }
  .steps { grid-template-columns: 1fr; gap: 28px; margin-top: 36px; }
  .steps p { font-size: 20px; line-height: 1.5; }
  .field { padding: 48px 0 20px; }
  .field h2 { font-size: clamp(32px, 8vw, 40px); }
  .field-list { margin-top: 12px; }
  .field-list li { grid-template-columns: 1fr; gap: 16px; align-items: start; padding: 32px 0 36px; }
  .field-list h3 { font-size: 28px; }
  .field-list p { font-size: 17px; line-height: 1.75; }
  .qr-row { flex-direction: column; align-items: flex-start; gap: 32px; margin-top: 40px; }
  .qr-seat { width: min(240px, 100%); max-width: none; }
  .qr-seat figcaption { margin-top: 12px; letter-spacing: 0.22em; font-size: 14px; }
  .film.plate .frame { height: auto; }
  .wordmark { padding-top: 56px; }
  .wordmark img { width: 100%; }
  .monogram { padding: 72px 0; }
  .close { padding-top: 72px; }
  .catalog { padding: 56px 0 72px; }
  .colophon { overflow-wrap: anywhere; }
  .colophon a { display: inline-block; padding: 6px 0; }
}
@media (max-width: 430px) {
  :root { --shell: calc(100% - 32px); }
  .brand { gap: 8px; letter-spacing: 0.06em; font-size: 14px; }
  .bar nav { gap: 0 8px; }
  .bar nav a { letter-spacing: 0.06em; font-size: 14px; }
  .opening h1 { font-size: clamp(30px, 8vw, 34px); }
  .cta { letter-spacing: 0.16em; }
  .signoff { letter-spacing: 0.08em; }
  .film figcaption, .source, .wordmark figcaption { letter-spacing: 0.12em; }
  .field-list h3 { font-size: 28px; }
  .field-list p { font-size: 17px; }
  .close h2 { font-size: 32px; }
}