:root {
  --green-deep: #062e1a;
  --paper: #f7f9f5;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--paper);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 220vh;
  background: var(--paper);
  color: var(--green-deep);
  font-family: "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  overflow-x: hidden;
}

.page {
  min-height: 220vh;
  background: linear-gradient(180deg, #fbfcf9 0%, #edf4ea 100%);
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  width: 100%;
  height: 3px;
  background: rgba(6, 46, 26, .08);
}

.scroll-progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(6, 46, 26, .35), rgba(6, 46, 26, .96));
  transform: scaleX(0);
  transform-origin: left center;
}

.hero {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100vh;
  min-height: 560px;
  display: grid;
  place-items: center;
  padding: clamp(22px, 5vw, 72px);
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 78% 12%, rgba(255, 255, 255, .96), rgba(255, 255, 255, 0) 32vw),
    radial-gradient(circle at 16% 84%, rgba(214, 228, 210, .6), rgba(255, 255, 255, 0) 28vw),
    linear-gradient(180deg, #fbfcf9 0%, #edf4ea 100%);
}

.hero__visual {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  transform-origin: 50% 50%;
  will-change: transform, opacity, filter;
}

.hero__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  transform: scale(1);
  transform-origin: 50% 50%;
  filter: saturate(1) contrast(1) brightness(1);
  will-change: transform, filter;
}

.hero__card {
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-rows: auto 1fr auto;
  width: min(1120px, 100%);
  height: min(88vh, 820px);
  padding: clamp(24px, 5vw, 64px) clamp(22px, 7vw, 96px);
  overflow: hidden;
  transform-origin: 50% 52%;
  will-change: transform, opacity, filter;
}

.hero__card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 86% 8%, rgba(255, 255, 255, .72), rgba(255, 255, 255, 0) 20%),
    repeating-linear-gradient(170deg, rgba(6, 46, 26, .045) 0 1px, transparent 1px 13px);
  opacity: .56;
}

.hero__brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: min(310px, 64vw);
}

.hero__brand img {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 10px 22px rgba(20, 62, 35, .08));
}

.hero__copy {
  align-self: center;
  display: grid;
  justify-items: center;
  gap: clamp(14px, 3vh, 30px);
  text-align: center;
}

.hero__copy h1,
.hero__copy strong {
  margin: 0;
  color: var(--green-deep);
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-weight: 600;
  letter-spacing: 0;
}

.hero__copy h1 {
  max-width: 12em;
  font-size: clamp(42px, 7vw, 96px);
  line-height: 1.08;
}

.hero__rule {
  width: min(58vw, 360px);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(6, 46, 26, .72), transparent);
}

.hero__copy p {
  margin: 0;
  color: rgba(6, 46, 26, .82);
  font-size: clamp(15px, 2.35vw, 25px);
  font-weight: 650;
  line-height: 1.5;
}

.hero__copy strong {
  font-size: clamp(28px, 6vw, 64px);
  line-height: 1;
  letter-spacing: .1em;
}

.hero__date {
  justify-self: center;
  color: var(--green-deep);
  font-size: clamp(18px, 3.2vw, 32px);
  font-weight: 700;
  letter-spacing: .03em;
}

.hero__skyline,
.hero__wave {
  position: absolute;
  pointer-events: none;
}

.hero__skyline {
  z-index: 1;
  left: 0;
  right: 0;
  bottom: 12vh;
  height: 28vh;
  opacity: .3;
  background:
    linear-gradient(90deg, transparent 0 18%, rgba(6, 46, 26, .16) 18% 18.2%, transparent 18.2% 30%, rgba(6, 46, 26, .13) 30% 30.2%, transparent 30.2% 43%, rgba(6, 46, 26, .16) 43% 43.25%, transparent 43.25% 55%, rgba(6, 46, 26, .13) 55% 55.25%, transparent 55.25% 68%, rgba(6, 46, 26, .16) 68% 68.2%, transparent 68.2% 80%, rgba(6, 46, 26, .13) 80% 80.2%, transparent 80.2% 100%);
  clip-path: polygon(0 78%, 13% 74%, 24% 58%, 32% 76%, 39% 38%, 46% 77%, 53% 55%, 59% 30%, 66% 78%, 73% 46%, 82% 73%, 88% 36%, 100% 70%, 100% 100%, 0 100%);
}

.hero__wave {
  z-index: 2;
  left: -12vw;
  right: -12vw;
  bottom: -6vh;
  height: 30vh;
  opacity: .58;
  background:
    linear-gradient(165deg, rgba(255, 255, 255, .84), rgba(255, 255, 255, .18) 50%, rgba(112, 145, 100, .22)),
    repeating-linear-gradient(170deg, rgba(6, 46, 26, .08) 0 1px, transparent 1px 11px);
  clip-path: polygon(0 43%, 17% 32%, 34% 48%, 51% 24%, 70% 42%, 100% 26%, 100% 100%, 0 100%);
}

.hero__wave--two {
  bottom: -11vh;
  opacity: .32;
  transform: scaleX(-1);
}

.hero__veil,
.hero__grain {
  position: absolute;
  pointer-events: none;
}

.hero__veil {
  inset: 0;
  z-index: 2;
  opacity: 0;
}

.hero__veil--top {
  background:
    radial-gradient(circle at 84% 10%, rgba(255, 255, 255, .34), rgba(255, 255, 255, 0) 26%),
    linear-gradient(180deg, rgba(255, 255, 255, .22), rgba(255, 255, 255, 0) 42%);
  mix-blend-mode: screen;
}

.hero__veil--bottom {
  background:
    linear-gradient(180deg, rgba(6, 46, 26, 0) 48%, rgba(6, 46, 26, .08) 82%, rgba(5, 28, 16, .18) 100%),
    radial-gradient(ellipse at center bottom, rgba(255, 255, 255, .46), rgba(255, 255, 255, 0) 50%);
}

.hero__grain {
  inset: 0;
  z-index: 3;
  opacity: 0;
  background-image:
    linear-gradient(110deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, 0) 36%),
    repeating-radial-gradient(circle at 19% 24%, rgba(8, 47, 27, .06) 0 1px, transparent 1px 3px);
  mix-blend-mode: overlay;
}

.section {
  position: relative;
  min-height: 100vh;
  padding: clamp(96px, 12vw, 180px) 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 10%, rgba(255, 255, 255, .86), rgba(255, 255, 255, 0) 32vw),
    linear-gradient(180deg, #fbfcf9 0%, #eef5ec 100%);
}

.section__inner {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 44px));
  margin: 0 auto;
}

.section__header {
  margin-bottom: clamp(42px, 7vw, 92px);
}

.section__kicker {
  margin: 0 0 12px;
  color: rgba(6, 46, 26, .58);
  font-size: clamp(12px, 1vw, 15px);
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.section__title {
  margin: 0;
  color: var(--green-deep);
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: clamp(44px, 8vw, 118px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0;
}

.reveal-block,
.reveal-card {
  opacity: 0;
  transform: translate3d(0, 56px, 0);
  will-change: opacity, transform;
}

.agenda {
  background:
    radial-gradient(circle at 12% 18%, rgba(222, 235, 219, .62), rgba(255, 255, 255, 0) 34vw),
    linear-gradient(180deg, #fbfcf9 0%, #f1f6ef 100%);
}

.agenda__timeline {
  position: relative;
  display: grid;
  gap: 22px;
  padding-left: clamp(0px, 2vw, 26px);
}

.agenda__line {
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: clamp(126px, 18vw, 220px);
  width: 1px;
  background: linear-gradient(180deg, rgba(6, 46, 26, .1), rgba(6, 46, 26, .62), rgba(6, 46, 26, .1));
  transform: scaleY(0);
  transform-origin: top center;
}

.agenda-card {
  position: relative;
  display: grid;
  grid-template-columns: clamp(112px, 17vw, 200px) minmax(0, 1fr);
  gap: clamp(22px, 4vw, 58px);
}

.agenda-card::before {
  content: "";
  position: absolute;
  top: 30px;
  left: clamp(122px, 18vw, 216px);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green-deep);
  box-shadow: 0 0 0 8px rgba(6, 46, 26, .08), 0 0 30px rgba(6, 46, 26, .16);
  transform: translateX(-4px);
}

.agenda-card__time {
  padding-top: 22px;
  color: rgba(6, 46, 26, .78);
  font-size: clamp(15px, 1.3vw, 19px);
  font-weight: 700;
  letter-spacing: .02em;
}

.agenda-card__body {
  min-height: 96px;
  padding: clamp(20px, 2.5vw, 32px);
  border: 1px solid rgba(6, 46, 26, .1);
  border-radius: 8px;
  background: rgba(255, 255, 255, .64);
  box-shadow: 0 26px 70px rgba(26, 64, 38, .08);
  backdrop-filter: blur(20px);
}

.agenda-card__body h3 {
  margin: 0 0 8px;
  color: var(--green-deep);
  font-size: clamp(21px, 2vw, 30px);
  font-weight: 700;
}

.agenda-card__body p {
  margin: 0 0 14px;
  color: rgba(6, 46, 26, .68);
  font-size: clamp(14px, 1.1vw, 17px);
  line-height: 1.65;
}

.agenda-card__body strong {
  display: block;
  color: rgba(6, 46, 26, .92);
  font-size: clamp(16px, 1.35vw, 21px);
  font-weight: 600;
  line-height: 1.65;
}

.hotels {
  background:
    linear-gradient(180deg, rgba(248, 251, 246, .98), rgba(233, 242, 230, .96)),
    radial-gradient(circle at 76% 24%, rgba(255, 255, 255, .96), rgba(255, 255, 255, 0) 34vw);
}

.skyline,
.finale__skyline {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 42%;
  opacity: .42;
  background:
    linear-gradient(90deg, transparent 0 6%, rgba(6, 46, 26, .1) 6% 6.15%, transparent 6.15% 11%, rgba(6, 46, 26, .09) 11% 11.18%, transparent 11.18% 18%, rgba(6, 46, 26, .11) 18% 18.3%, transparent 18.3% 28%, rgba(6, 46, 26, .1) 28% 28.15%, transparent 28.15% 40%, rgba(6, 46, 26, .12) 40% 40.18%, transparent 40.18% 53%, rgba(6, 46, 26, .1) 53% 53.22%, transparent 53.22% 66%, rgba(6, 46, 26, .09) 66% 66.17%, transparent 66.17% 78%, rgba(6, 46, 26, .11) 78% 78.2%, transparent 78.2% 100%),
    repeating-linear-gradient(168deg, rgba(6, 46, 26, .07) 0 1px, transparent 1px 16px);
  clip-path: polygon(0 72%, 6% 64%, 13% 68%, 19% 45%, 25% 66%, 33% 55%, 39% 70%, 44% 34%, 49% 70%, 55% 58%, 60% 24%, 66% 68%, 72% 47%, 78% 66%, 84% 30%, 90% 63%, 100% 54%, 100% 100%, 0 100%);
  pointer-events: none;
}

.hotel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  width: min(820px, 100%);
  margin: 0 auto;
  padding: 4px 4px 24px;
}

.hotel-card {
  padding: 28px;
  border: 1px solid rgba(6, 46, 26, .12);
  border-radius: 8px;
  background: rgba(255, 255, 255, .58);
  box-shadow: 0 26px 80px rgba(24, 64, 38, .1);
  backdrop-filter: blur(22px);
  transition: transform .45s cubic-bezier(.22, 1, .36, 1), box-shadow .45s ease, background .45s ease;
}

.hotel-card:hover {
  transform: translateY(-8px) scale(1.025);
  background: rgba(255, 255, 255, .76);
  box-shadow: 0 34px 100px rgba(16, 70, 38, .18), 0 0 36px rgba(255, 255, 255, .75);
}

.hotel-card h3 {
  margin: 0 0 10px;
  color: var(--green-deep);
  font-size: 24px;
}

.hotel-card p {
  margin: 0 0 24px;
  color: rgba(6, 46, 26, .62);
  line-height: 1.6;
}

.hotel-card dl,
.hotel-card dd {
  margin: 0;
}

.hotel-card dl {
  display: grid;
  gap: 18px;
}

.hotel-card dt {
  margin-bottom: 6px;
  color: rgba(6, 46, 26, .5);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.hotel-card dd {
  color: rgba(6, 46, 26, .88);
  line-height: 1.7;
}

.venue {
  display: grid;
  place-items: center;
  background: #f6faf4;
}

.venue__map {
  position: absolute;
  inset: -12%;
  opacity: .38;
  background:
    linear-gradient(35deg, transparent 0 46%, rgba(6, 46, 26, .09) 46% 46.2%, transparent 46.2%),
    linear-gradient(145deg, transparent 0 44%, rgba(6, 46, 26, .08) 44% 44.2%, transparent 44.2%),
    repeating-linear-gradient(0deg, rgba(6, 46, 26, .055) 0 1px, transparent 1px 82px),
    repeating-linear-gradient(90deg, rgba(6, 46, 26, .055) 0 1px, transparent 1px 82px);
  will-change: transform;
}

.venue__inner {
  display: grid;
  justify-items: center;
  text-align: center;
}

.venue-card {
  width: min(560px, 100%);
  padding: clamp(34px, 6vw, 72px);
  border: 1px solid rgba(6, 46, 26, .12);
  border-radius: 8px;
  background: rgba(255, 255, 255, .68);
  box-shadow: 0 34px 100px rgba(21, 58, 34, .12);
  backdrop-filter: blur(24px);
}

.venue-card p {
  margin: 0 0 10px;
  color: rgba(6, 46, 26, .52);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.venue-card span {
  display: block;
  margin-bottom: 18px;
  color: rgba(6, 46, 26, .66);
  font-size: clamp(17px, 2vw, 24px);
  font-weight: 650;
}

.venue-card h3 {
  margin: 0 0 16px;
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: clamp(46px, 7vw, 82px);
  font-weight: 600;
}

.venue-card a {
  color: var(--green-deep);
  font-size: clamp(24px, 4vw, 42px);
  font-weight: 700;
  text-decoration: none;
}

.finale {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 100vh;
  overflow: hidden;
  background: #f7faf5;
}

.finale__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 78% 8%, rgba(255, 255, 255, .96), rgba(255, 255, 255, 0) 34vw),
    linear-gradient(180deg, #fbfcf9 0%, #e7f1e4 100%);
  transform: scale(1.08);
  will-change: transform;
}

.finale__skyline {
  height: 48%;
  opacity: .52;
}

.finale__content {
  position: relative;
  z-index: 2;
  width: min(980px, calc(100% - 44px));
  text-align: center;
}

.finale__logo-mark {
  display: block;
  width: min(260px, 64vw);
  height: auto;
  margin: 0 auto clamp(26px, 4vw, 48px);
  filter: drop-shadow(0 18px 36px rgba(20, 62, 35, .12));
}

.finale__title {
  margin: 0;
  color: var(--green-deep);
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: clamp(28px, 5vw, 72px);
  font-weight: 600;
  line-height: 1.12;
  white-space: nowrap;
}

.finale__meta,
.finale__firm {
  margin: clamp(20px, 3vw, 34px) 0 0;
  color: rgba(6, 46, 26, .78);
  font-size: clamp(20px, 2.8vw, 40px);
  font-weight: 600;
}

.finale__firm {
  display: grid;
  justify-items: center;
  gap: 9px;
  color: rgba(6, 46, 26, .7);
  font-size: clamp(18px, 2.2vw, 30px);
  letter-spacing: .06em;
}

.finale__firm small {
  display: block;
  color: rgba(6, 46, 26, .5);
  font-size: clamp(11px, 1vw, 14px);
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  word-spacing: .18em;
}

.text-split .char {
  display: inline-block;
  opacity: 0;
  transform: translate3d(0, 28px, 0);
}

.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

@media (max-aspect-ratio: 1 / 1) {
  .hero__image {
    object-fit: cover;
  }
}

@media (max-width: 760px) {
  .hero {
    min-height: 100svh;
    padding: 16px 18px;
  }

  .hero__card {
    width: 100%;
    height: calc(100svh - 32px);
    min-height: 540px;
    padding: clamp(18px, 5vw, 30px) 2px;
  }

  .hero__brand {
    width: min(242px, 72vw);
  }

  .hero__copy {
    gap: clamp(10px, 2.2vh, 20px);
  }

  .hero__copy h1 {
    font-size: clamp(36px, 10.6vw, 48px);
  }

  .hero__copy p {
    font-size: clamp(13px, 4vw, 17px);
  }

  .hero__copy strong {
    font-size: clamp(27px, 8vw, 38px);
  }

  .hero__date {
    font-size: clamp(17px, 5vw, 23px);
  }

  .section {
    padding: 86px 0;
  }

  .agenda-card {
    grid-template-columns: 1fr;
    gap: 12px;
    padding-left: 26px;
  }

  .agenda__line {
    left: 8px;
  }

  .agenda-card::before {
    left: 8px;
    top: 10px;
  }

  .agenda-card__time {
    padding-top: 0;
  }

  .hotel-grid {
    width: 100%;
  }

  .finale__title {
    font-size: clamp(24px, 7.3vw, 34px);
  }

  .finale__logo-mark {
    width: min(220px, 68vw);
    margin-bottom: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}
