:root {
  --black: #050505;
  --white: #ffffff;
  --line: rgba(255, 255, 255, 0.24);
  --soft: #f4f4f1;
  --muted: #8c8c8c;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 70px;
  overflow-y: auto;
}

body {
  margin: 0;
  min-height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  color: var(--white);
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.07), transparent 32%),
    var(--black);
  font-family: Arial, "Helvetica Neue", sans-serif;
  line-break: strict;
}

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

.image-section,
.launch-banner,
.visual-grid,
.brand-story-section {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 64px;
  padding: 12px clamp(16px, 4vw, 44px);
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.logo {
  color: var(--white);
  text-decoration: none;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 8px;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}

.site-header nav a {
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.top-showcase {
  position: relative;
  min-height: calc(100svh - 64px);
  display: block;
  padding: 0;
  background: #050505;
}

.top-showcase::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  z-index: 3;
  height: clamp(52px, 10vw, 120px);
  pointer-events: none;
  background: linear-gradient(0deg, #050505, rgba(5, 5, 5, 0));
}

.top-stage {
  position: relative;
  min-height: calc(100svh - 64px);
  overflow: hidden;
  background: #050505;
}

.top-visual {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  transition: opacity 600ms ease;
}

.top-visual.is-active {
  opacity: 1;
}

.launch-banner {
  position: relative;
  padding: 0;
  background: #050505;
  margin-top: -1px;
}

.launch-banner img {
  width: 100vw;
  max-width: none;
  margin: 0;
  background: #050505;
}

.launch-cta-wrap {
  display: flex;
  justify-content: center;
  padding: clamp(24px, 5vw, 54px) 20px clamp(34px, 6vw, 70px);
  background:
    radial-gradient(circle at 50% 0%, rgba(210, 158, 55, 0.2), transparent 34%),
    #050505;
}

.launch-cta {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: min(420px, 88vw);
  min-height: 64px;
  padding: 18px 42px;
  overflow: hidden;
  color: #120b02;
  background:
    linear-gradient(135deg, #8e5f13 0%, #f6d177 34%, #fff3bd 50%, #d29425 72%, #6e430b 100%);
  border: 1px solid rgba(255, 228, 150, 0.82);
  border-radius: 999px;
  box-shadow:
    0 0 0 1px rgba(255, 210, 96, 0.24) inset,
    0 16px 44px rgba(212, 154, 42, 0.28),
    0 0 34px rgba(255, 209, 105, 0.2);
  text-decoration: none;
  transform: translateY(0);
  animation: ctaFloat 2.8s ease-in-out infinite;
}

.launch-cta::before {
  content: "";
  position: absolute;
  inset: -45% -18%;
  z-index: -1;
  background: linear-gradient(115deg, transparent 24%, rgba(255, 255, 255, 0.82) 42%, transparent 58%);
  transform: translateX(-82%) rotate(8deg);
  animation: ctaShine 2.4s ease-in-out infinite;
}

.launch-cta::after {
  content: "";
  position: absolute;
  inset: 5px;
  border: 1px solid rgba(41, 24, 4, 0.26);
  border-radius: inherit;
  pointer-events: none;
}

.launch-cta span {
  position: relative;
  z-index: 1;
  font-family: "Times New Roman", "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(20px, 2.3vw, 30px);
  font-weight: 900;
  letter-spacing: 0;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.44);
}

.launch-cta:hover {
  transform: translateY(-3px);
  box-shadow:
    0 0 0 1px rgba(255, 226, 134, 0.35) inset,
    0 22px 54px rgba(230, 174, 58, 0.36),
    0 0 46px rgba(255, 218, 116, 0.3);
}

.launch-cta:active {
  transform: translateY(1px) scale(0.99);
}

.launch-cta.is-spinning {
  pointer-events: none;
  filter: saturate(0.9);
}

.launch-cta.is-complete {
  pointer-events: none;
  filter: saturate(0.72) brightness(0.86);
  opacity: 0.78;
}

.roulette-panel {
  position: relative;
  overflow: hidden;
  display: grid;
  justify-items: center;
  gap: 18px;
  padding: 0 20px clamp(44px, 7vw, 86px);
  background:
    radial-gradient(circle at 50% 18%, rgba(255, 216, 116, 0.18), transparent 34%),
    #050505;
}

.roulette-panel[hidden] {
  display: none;
}

.roulette-stage {
  position: relative;
  width: min(360px, 78vw);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  filter: drop-shadow(0 24px 54px rgba(0, 0, 0, 0.74));
}

.roulette-wheel {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid rgba(255, 225, 142, 0.92);
  background:
    radial-gradient(circle, rgba(255, 238, 176, 0.42) 0 7%, transparent 8%),
    conic-gradient(from 0deg,
      #d20000 0deg 18deg,
      #1a1308 18deg 45deg,
      #b98521 45deg 88deg,
      #080808 88deg 132deg,
      #d4a43a 132deg 176deg,
      #111111 176deg 220deg,
      #7a500f 220deg 264deg,
      #050505 264deg 308deg,
      #c48b23 308deg 360deg);
  box-shadow:
    0 0 0 10px rgba(15, 10, 2, 0.96) inset,
    0 0 0 12px rgba(255, 215, 118, 0.34) inset,
    0 0 42px rgba(255, 205, 91, 0.24);
  transform: rotate(0deg);
  will-change: transform;
}

.roulette-wheel::before,
.roulette-wheel::after {
  content: "";
  position: absolute;
  inset: 12%;
  border-radius: 50%;
  border: 1px solid rgba(255, 224, 139, 0.28);
  pointer-events: none;
}

.roulette-wheel::after {
  inset: 28%;
  border-color: rgba(255, 255, 255, 0.12);
}

.roulette-hit {
  display: none;
}

.roulette-pointer {
  position: absolute;
  top: -24px;
  z-index: 5;
  width: 0;
  height: 0;
  border-left: 20px solid transparent;
  border-right: 20px solid transparent;
  border-top: 40px solid #fff4c3;
  filter:
    drop-shadow(0 0 8px rgba(255, 223, 124, 0.84))
    drop-shadow(0 8px 10px rgba(0, 0, 0, 0.64));
}

.roulette-hub {
  position: absolute;
  z-index: 2;
  width: 66px;
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 25%, #fff6c8, #d19b2f 42%, #4b2c06 100%);
  border: 1px solid rgba(255, 233, 161, 0.9);
  box-shadow: 0 0 28px rgba(255, 210, 98, 0.42);
}

.roulette-status,
.roulette-result {
  max-width: 34em;
  margin: 0;
  color: rgba(255, 239, 202, 0.78);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(14px, 1.5vw, 18px);
  line-height: 1.8;
  text-align: center;
}

.roulette-result {
  color: #ffe29a;
  font-size: clamp(23px, 3.2vw, 42px);
  font-weight: 900;
  text-shadow:
    0 0 16px rgba(255, 209, 105, 0.72),
    0 0 36px rgba(255, 37, 37, 0.46);
  animation: resultPop 900ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.roulette-panel.is-complete .roulette-stage {
  animation: rouletteWinGlow 1500ms ease-out 1;
}

.roulette-panel.is-complete .roulette-wheel {
  box-shadow:
    0 0 0 10px rgba(15, 10, 2, 0.96) inset,
    0 0 0 12px rgba(255, 215, 118, 0.34) inset,
    0 0 72px rgba(255, 205, 91, 0.62),
    0 0 96px rgba(214, 0, 0, 0.34);
}

.roulette-panel.is-miss .roulette-wheel {
  filter: saturate(0.88) brightness(0.86);
}

.roulette-retry-modal {
  position: absolute;
  inset: 0;
  z-index: 7;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at 50% 45%, rgba(255, 211, 106, 0.22), transparent 34%),
    rgba(0, 0, 0, 0.36);
  animation: retryFadeIn 420ms ease-out both;
}

.roulette-retry-card {
  display: grid;
  justify-items: center;
  gap: 16px;
  min-width: min(320px, 78vw);
  padding: 24px 24px 26px;
  color: #fff0c4;
  background:
    linear-gradient(145deg, rgba(18, 12, 4, 0.94), rgba(58, 37, 8, 0.92));
  border: 1px solid rgba(255, 220, 139, 0.72);
  border-radius: 8px;
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.64),
    0 0 34px rgba(255, 196, 78, 0.24);
}

.roulette-retry-card p {
  margin: 0;
  font-family: "Times New Roman", "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 900;
  text-shadow: 0 0 18px rgba(255, 205, 91, 0.5);
}

.roulette-retry-button {
  position: relative;
  isolation: isolate;
  min-width: min(230px, 68vw);
  padding: 16px 28px;
  overflow: hidden;
  color: #160e03;
  font-family: "Times New Roman", "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(20px, 3.6vw, 28px);
  font-weight: 900;
  background:
    linear-gradient(135deg, #9d6512 0%, #f4cd6d 34%, #fff3bd 50%, #d09225 72%, #7a4708 100%);
  border: 1px solid rgba(255, 235, 166, 0.86);
  border-radius: 999px;
  box-shadow:
    0 0 0 1px rgba(255, 210, 96, 0.24) inset,
    0 14px 36px rgba(212, 154, 42, 0.34);
  cursor: pointer;
  animation: retryPulse 1200ms ease-in-out infinite;
}

.roulette-retry-button::before {
  content: "";
  position: absolute;
  inset: -60% -28%;
  z-index: -1;
  background: linear-gradient(115deg, transparent 24%, rgba(255, 255, 255, 0.86) 42%, transparent 58%);
  transform: translateX(-82%) rotate(8deg);
  animation: ctaShine 1.9s ease-in-out infinite;
}

.roulette-coupon-modal {
  position: absolute;
  inset: 0;
  z-index: 8;
  display: grid;
  place-items: center;
  padding: 14px;
  background:
    radial-gradient(circle at 50% 40%, rgba(255, 211, 106, 0.28), transparent 36%),
    rgba(0, 0, 0, 0.44);
  animation: couponModalIn 520ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.roulette-coupon-card {
  display: grid;
  justify-items: center;
  gap: 9px;
  width: min(390px, 88vw);
  padding: clamp(14px, 3.4vw, 24px) clamp(14px, 4vw, 24px);
  color: #fff2c8;
  text-align: center;
  background:
    linear-gradient(145deg, rgba(8, 6, 3, 0.96), rgba(45, 28, 5, 0.94)),
    radial-gradient(circle at 50% 0%, rgba(255, 213, 101, 0.22), transparent 42%);
  border: 1px solid rgba(255, 220, 139, 0.78);
  border-radius: 8px;
  box-shadow:
    0 24px 72px rgba(0, 0, 0, 0.7),
    0 0 46px rgba(255, 190, 59, 0.28),
    0 0 0 1px rgba(255, 242, 189, 0.14) inset;
}

.coupon-kicker {
  margin: 0;
  color: #ffd972;
  font-family: "Times New Roman", "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(13px, 2.4vw, 18px);
  font-weight: 900;
  letter-spacing: 0;
}

.roulette-coupon-card h2 {
  margin: 0;
  font-family: "Times New Roman", "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(20px, 4.2vw, 30px);
  line-height: 1.18;
  letter-spacing: 0;
  text-shadow:
    0 0 18px rgba(255, 205, 91, 0.5),
    0 2px 0 rgba(0, 0, 0, 0.65);
}

.coupon-code-list {
  display: grid;
  gap: 8px;
  width: 100%;
}

.coupon-ticket {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 58px;
  padding: 10px 18px;
  overflow: hidden;
  color: #2b1700;
  background:
    linear-gradient(135deg, #a56f17 0%, #f6d47c 28%, #fff4be 48%, #d49a2a 72%, #7a4b0b 100%);
  border: 1px solid rgba(255, 236, 174, 0.86);
  border-radius: 7px;
  box-shadow:
    0 10px 24px rgba(0, 0, 0, 0.26),
    0 0 0 1px rgba(65, 36, 2, 0.16) inset;
}

.coupon-ticket::before,
.coupon-ticket::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 18px;
  height: 18px;
  background: rgba(18, 12, 4, 0.96);
  border-radius: 50%;
  transform: translateY(-50%);
}

.coupon-ticket::before {
  left: -9px;
}

.coupon-ticket::after {
  right: -9px;
}

.coupon-ticket span {
  position: relative;
  z-index: 1;
  min-width: 5.6em;
  padding-left: 10px;
  color: rgba(43, 23, 0, 0.72);
  font-size: clamp(12px, 2.3vw, 14px);
  font-weight: 800;
  text-align: center;
  border-left: 1px dashed rgba(43, 23, 0, 0.42);
}

.coupon-ticket strong {
  position: relative;
  z-index: 1;
  color: #241300;
  font-family: "Times New Roman", "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(21px, 4.4vw, 30px);
  font-weight: 900;
  text-align: left;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.54);
}

.roulette-line-button {
  position: relative;
  isolation: isolate;
  width: 100%;
  min-height: 48px;
  padding: 12px 22px;
  overflow: hidden;
  color: #061606;
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: clamp(17px, 3.4vw, 23px);
  font-weight: 900;
  background:
    linear-gradient(135deg, #06a83d 0%, #25d366 48%, #b7ffcb 50%, #16bd4e 72%, #057a2d 100%);
  border: 1px solid rgba(200, 255, 211, 0.78);
  border-radius: 999px;
  box-shadow:
    0 16px 42px rgba(37, 211, 102, 0.28),
    0 0 0 1px rgba(255, 255, 255, 0.22) inset;
  cursor: pointer;
  animation: lineCtaPulse 1200ms ease-in-out infinite;
}

.roulette-line-button::before {
  content: "";
  position: absolute;
  inset: -55% -24%;
  z-index: -1;
  background: linear-gradient(115deg, transparent 24%, rgba(255, 255, 255, 0.88) 42%, transparent 58%);
  transform: translateX(-82%) rotate(8deg);
  animation: ctaShine 1.7s ease-in-out infinite;
}

.roulette-confetti {
  position: absolute;
  inset: 0;
  z-index: 6;
  pointer-events: none;
  overflow: hidden;
}

.roulette-confetti i {
  position: absolute;
  top: 28%;
  left: 50%;
  width: 8px;
  height: 16px;
  background: var(--confetti-color, #ffd76d);
  opacity: 0;
  transform: translate(-50%, -50%) rotate(var(--confetti-rotate, 0deg));
  animation: confettiBurst 2600ms cubic-bezier(0.13, 0.72, 0.22, 1) forwards;
}

@keyframes ctaFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

@keyframes retryFadeIn {
  from {
    opacity: 0;
    transform: scale(0.96);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes retryPulse {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }

  50% {
    transform: translateY(-2px) scale(1.035);
  }
}

@keyframes couponModalIn {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.94);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes lineCtaPulse {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }

  50% {
    transform: translateY(-2px) scale(1.025);
  }
}

@keyframes rouletteWinGlow {
  0%,
  100% {
    filter: drop-shadow(0 24px 54px rgba(0, 0, 0, 0.74));
  }
  46% {
    filter:
      drop-shadow(0 24px 54px rgba(0, 0, 0, 0.74))
      drop-shadow(0 0 44px rgba(255, 218, 111, 0.86))
      drop-shadow(0 0 56px rgba(255, 0, 0, 0.38));
  }
}

@keyframes resultPop {
  0% {
    opacity: 0;
    transform: translateY(12px) scale(0.9);
  }
  58% {
    opacity: 1;
    transform: translateY(-4px) scale(1.07);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes confettiBurst {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) rotate(var(--confetti-rotate, 0deg)) scale(0.2);
  }
  12% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform:
      translate(calc(-50% + var(--confetti-x, 0px)), calc(-50% + var(--confetti-y, 160px)))
      rotate(calc(var(--confetti-rotate, 0deg) + 520deg))
      scale(1);
  }
}

@keyframes ctaShine {
  0% {
    transform: translateX(-88%) rotate(8deg);
    opacity: 0;
  }
  24% {
    opacity: 0.9;
  }
  52%,
  100% {
    transform: translateX(88%) rotate(8deg);
    opacity: 0;
  }
}

.image-section,
.visual-grid {
  scroll-margin-top: 70px;
}

.section-intro {
  position: relative;
  padding: clamp(42px, 7vw, 92px) clamp(22px, 7vw, 110px);
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0)),
    #050505;
  border-top: 0;
  border-bottom: 0;
  margin-top: -1px;
}

.section-intro::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: clamp(28px, 5vw, 74px);
  pointer-events: none;
  background: linear-gradient(0deg, #050505, rgba(5, 5, 5, 0));
}

.section-intro::before {
  content: "";
  position: absolute;
  left: clamp(22px, 7vw, 110px);
  top: 0;
  width: 78px;
  height: 1px;
  background: rgba(255, 255, 255, 0.72);
}

.section-intro p,
.closing-section p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.section-intro h1,
.closing-section h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(34px, 5vw, 78px);
  line-height: 1.08;
  letter-spacing: 0;
  text-wrap: balance;
}

.section-intro span {
  display: block;
  max-width: 760px;
  margin-top: 22px;
  color: rgba(255, 255, 255, 0.72);
  font-size: clamp(15px, 1.5vw, 19px);
  line-height: 1.9;
  text-wrap: pretty;
}

.intro-light {
  color: #080808;
  background:
    linear-gradient(180deg, #050505 0, var(--soft) 64px, var(--soft) 100%),
    linear-gradient(90deg, rgba(0, 0, 0, 0.06), rgba(0, 0, 0, 0)),
    var(--soft);
  border-color: rgba(0, 0, 0, 0.1);
}

.intro-light::after {
  background: linear-gradient(0deg, #050505, rgba(5, 5, 5, 0));
}

.intro-light::before {
  background: rgba(0, 0, 0, 0.68);
}

.intro-light span {
  color: #5f5f5f;
}

.image-tone-intro p {
  color: rgba(222, 222, 222, 0.76);
  font-family: "Times New Roman", "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(13px, 1.25vw, 16px);
  font-weight: 700;
  text-transform: none;
}

.image-tone-intro h1 {
  font-family: "Times New Roman", "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-weight: 700;
  color: transparent;
  background:
    linear-gradient(180deg, #ffffff 0%, #d6d6d6 24%, #8f8f8f 46%, #ffffff 58%, #6d6d6d 100%);
  -webkit-background-clip: text;
  background-clip: text;
  text-shadow:
    0 2px 0 rgba(255, 255, 255, 0.12),
    0 12px 30px rgba(255, 255, 255, 0.12),
    0 22px 42px rgba(0, 0, 0, 0.58);
}

.image-tone-intro span {
  color: rgba(230, 230, 230, 0.72);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
}

.feature-intro {
  color: #090909;
  background:
    linear-gradient(180deg, #ffffff 0%, #f7f7f4 100%);
}

.feature-intro::before {
  background: rgba(0, 0, 0, 0.62);
}

.feature-intro::after {
  display: none;
}

.feature-intro p {
  color: rgba(0, 0, 0, 0.56);
  font-family: "Times New Roman", "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(13px, 1.3vw, 17px);
  font-weight: 700;
  text-transform: none;
}

.feature-intro h1 {
  max-width: 980px;
  font-family: "Times New Roman", "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-weight: 700;
  color: #111111;
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
  text-shadow: none;
}

.feature-intro span {
  color: rgba(0, 0, 0, 0.62);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
}

.scene-intro {
  padding-bottom: clamp(54px, 8vw, 110px);
  background:
    radial-gradient(circle at 16% 0%, rgba(255, 255, 255, 0.08), transparent 30%),
    linear-gradient(180deg, #050505 0%, #111111 54%, #050505 100%);
}

.brand-story-section {
  padding: clamp(46px, 7vw, 96px) 0 0;
  color: var(--white);
  background:
    radial-gradient(circle at 50% 0%, rgba(213, 173, 88, 0.09), transparent 34%),
    radial-gradient(circle at 50% 18%, rgba(34, 65, 92, 0.22), transparent 42%),
    linear-gradient(180deg, #030507 0%, #050b12 44%, #040910 100%);
}

.brand-kicker {
  max-width: 980px;
  margin-right: auto;
  margin-left: auto;
  padding: 0 clamp(18px, 5vw, 80px);
  text-align: center;
}

.brand-kicker p {
  color: #d6b56d;
  font-family: "Times New Roman", "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(13px, 1.6vw, 18px);
  font-weight: 700;
}

.brand-kicker h1 {
  color: #f3ead6;
  font-family: "Times New Roman", "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(38px, 6vw, 82px);
  font-weight: 700;
  letter-spacing: 0;
  text-shadow: 0 0 22px rgba(220, 188, 112, 0.2);
}

.brand-story-images {
  display: grid;
  gap: 0;
  width: 100%;
  margin: 0;
}

.brand-story-images img {
  display: block;
  width: 100vw;
  max-width: none;
  height: auto;
  background: #050505;
  border: 0;
  box-shadow: none;
}

.image-section {
  position: relative;
  padding: 0;
  background: #050505;
  margin-top: -1px;
}

.image-section-light {
  background: #050505;
}

.image-section img {
  width: 100vw;
  max-width: none;
  margin: 0;
  object-fit: contain;
  background: #050505;
  box-shadow: none;
}

.image-section::before,
.image-section::after,
.visual-grid::before,
.scene-grid::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  z-index: 2;
  height: clamp(36px, 8vw, 96px);
  pointer-events: none;
}

.image-section::before,
.visual-grid::before {
  top: 0;
  background: linear-gradient(180deg, rgba(5, 5, 5, 0.68), rgba(5, 5, 5, 0));
}

.image-section::after,
.scene-grid::after {
  bottom: 0;
  background: linear-gradient(0deg, rgba(5, 5, 5, 0.68), rgba(5, 5, 5, 0));
}

.visual-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  padding: 0;
  background: #050505;
  margin-top: -1px;
}

.visual-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #050505;
  box-shadow: none;
}

.feature-grid {
  grid-template-columns: 1fr;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.07), transparent 26%),
    #050505;
}

.feature-grid::before {
  display: none;
}

.feature-grid::before,
.feature-grid::after {
  z-index: 4;
}

.feature-grid::after {
  display: none;
}

.feature-card {
  position: relative;
  min-height: 100%;
  margin: 0;
  overflow: hidden;
  background: #050505;
}

.feature-card::before {
  display: none;
}

.feature-card-no-top-blur::before {
  display: none;
}

.feature-grid img {
  filter: contrast(1.04) saturate(0.95);
  transform: scale(1.006);
}

.scene-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.scene-grid figure {
  position: relative;
  min-height: 100%;
  margin: 0;
  overflow: hidden;
  background: #050505;
}

.scene-grid figure::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(5, 5, 5, 0.68), rgba(5, 5, 5, 0.08) 34%, rgba(5, 5, 5, 0));
}

.scene-grid figcaption {
  position: absolute;
  top: clamp(18px, 2.6vw, 34px);
  left: clamp(18px, 2.8vw, 36px);
  z-index: 2;
  color: rgba(255, 255, 255, 0.88);
  font-family: "Times New Roman", "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(13px, 1.25vw, 18px);
  font-weight: 700;
  letter-spacing: 0;
  text-shadow: 0 10px 24px rgba(0, 0, 0, 0.74);
}

.closing-section {
  min-height: 52svh;
  display: grid;
  align-content: center;
  justify-items: start;
  padding: clamp(54px, 8vw, 120px) clamp(22px, 7vw, 110px);
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.78) 0%, rgba(0, 0, 0, 0.58) 44%, rgba(0, 0, 0, 0.24) 100%),
    url("assets/lp/sections/closing-smile.png") center / cover;
  margin-top: -1px;
}

.closing-copy {
  display: block;
  max-width: 34em;
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(14px, 1.5vw, 18px);
  line-height: 1.9;
}

.closing-line-cta {
  position: relative;
  isolation: isolate;
  width: min(360px, 86vw);
  min-height: 58px;
  margin-top: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: #061606;
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: clamp(19px, 2.6vw, 27px);
  font-weight: 900;
  text-decoration: none;
  background:
    linear-gradient(135deg, #06a83d 0%, #25d366 48%, #b7ffcb 50%, #16bd4e 72%, #057a2d 100%);
  border: 1px solid rgba(200, 255, 211, 0.78);
  border-radius: 999px;
  box-shadow:
    0 18px 48px rgba(37, 211, 102, 0.28),
    0 0 0 1px rgba(255, 255, 255, 0.22) inset;
  animation: lineCtaPulse 1200ms ease-in-out infinite;
}

.closing-line-cta::before {
  content: "";
  position: absolute;
  inset: -55% -24%;
  z-index: -1;
  background: linear-gradient(115deg, transparent 24%, rgba(255, 255, 255, 0.88) 42%, transparent 58%);
  transform: translateX(-82%) rotate(8deg);
  animation: ctaShine 1.7s ease-in-out infinite;
}

.closing-top-link {
  width: fit-content;
  margin-top: 20px;
  padding: 15px 24px;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.5);
  text-decoration: none;
  font-size: 12px;
  font-weight: 900;
}

.use-cases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  background: #050505;
  border-top: 0;
  border-bottom: 0;
  margin-top: -1px;
}

.use-cases article {
  min-height: 270px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(28px, 5vw, 64px);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0)),
    #050505;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.use-cases article:last-child {
  border-right: 0;
}

.use-cases span,
.section-kicker p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.use-cases h2 {
  margin: 0;
  font-size: clamp(24px, 3vw, 42px);
  line-height: 1.16;
}

.use-cases p {
  max-width: 420px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.8;
}

.details-section,
.faq-section {
  padding: clamp(56px, 8vw, 112px) clamp(22px, 7vw, 110px);
}

.details-section {
  color: var(--white);
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 216, 116, 0.1), transparent 36%),
    #050505;
  padding-top: clamp(56px, 8vw, 112px);
}

.faq-section {
  color: var(--white);
  background: #050505;
}

.section-kicker {
  max-width: 900px;
  margin-bottom: clamp(30px, 5vw, 58px);
}

.section-kicker h1 {
  margin: 0;
  font-size: clamp(34px, 5vw, 78px);
  line-height: 1.08;
}

.details-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 34px);
  max-width: 900px;
}

.details-grid article {
  padding: clamp(24px, 4vw, 46px);
  background:
    linear-gradient(145deg, rgba(20, 20, 18, 0.96), rgba(6, 6, 6, 0.96));
  border: 1px solid rgba(255, 220, 139, 0.2);
  box-shadow:
    0 22px 64px rgba(0, 0, 0, 0.42),
    0 0 0 1px rgba(255, 255, 255, 0.04) inset;
}

.details-grid h2 {
  margin: 0 0 22px;
  font-size: clamp(24px, 2.6vw, 38px);
}

.details-grid dl {
  margin: 0;
}

.details-grid div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.details-grid dt {
  color: rgba(255, 221, 148, 0.72);
  font-size: 13px;
  font-weight: 900;
}

.details-grid dd {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.faq-section details {
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.faq-section details:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.faq-section summary {
  cursor: pointer;
  padding: 26px 0;
  font-size: clamp(20px, 2.2vw, 32px);
  font-weight: 900;
  line-height: 1.45;
  text-wrap: balance;
}

.faq-section details p {
  max-width: 860px;
  margin: -6px 0 28px;
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.85;
  text-wrap: pretty;
}

.scroll-button {
  position: fixed;
  z-index: 30;
  right: 16px;
  bottom: 16px;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 50%;
  color: #ffffff;
  background: rgba(0, 0, 0, 0.74);
  cursor: pointer;
  font-size: 22px;
}

@media (max-width: 900px) {
  .scene-grid,
  .visual-grid,
  .use-cases,
  .details-grid {
    grid-template-columns: 1fr;
  }

  .scene-grid figcaption {
    top: 22px;
    left: 22px;
    font-size: 18px;
  }

  .feature-grid::after {
    display: none;
  }

  .section-intro {
    padding-top: 48px;
    padding-bottom: 52px;
  }

  .section-intro h1,
  .closing-section h1,
  .section-kicker h1 {
    line-height: 1.18;
  }

  .section-intro span {
    max-width: 36em;
  }

  .details-grid div {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (max-width: 620px) {
  html {
    scroll-padding-top: 102px;
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    min-height: 102px;
    padding: 12px 16px;
  }

  .logo {
    font-size: 18px;
    letter-spacing: 6px;
  }

  .site-header nav {
    justify-content: flex-start;
    gap: 8px 12px;
  }

  .site-header nav a {
    font-size: 10px;
    line-height: 1.2;
  }

  .top-stage {
    min-height: calc(100svh - 102px);
  }

  .section-intro {
    padding: 40px 20px 44px;
  }

  .section-intro::before {
    left: 20px;
    width: 54px;
  }

  .section-intro p,
  .closing-section p,
  .section-kicker p {
    margin-bottom: 12px;
    font-size: 11px;
  }

  .section-intro h1,
  .closing-section h1,
  .section-kicker h1 {
    font-size: 29px;
    line-height: 1.24;
  }

  .image-tone-intro h1,
  .feature-intro h1 {
    font-size: 28px;
  }

  .section-intro span {
    margin-top: 16px;
    font-size: 14px;
    line-height: 1.85;
  }

  .scene-grid figcaption {
    top: 18px;
    left: 18px;
    font-size: 17px;
  }

  .details-section,
  .faq-section {
    padding: 48px 20px;
  }

  .section-kicker {
    margin-bottom: 28px;
  }

  .details-grid {
    gap: 16px;
  }

  .details-grid article {
    padding: 22px 18px;
  }

  .details-grid h2 {
    margin-bottom: 16px;
    font-size: 22px;
    line-height: 1.35;
  }

  .details-grid div {
    padding: 14px 0;
  }

  .details-grid dt {
    font-size: 12px;
  }

  .details-grid dd {
    font-size: 14px;
    line-height: 1.75;
  }

  .faq-section summary {
    padding: 20px 0;
    font-size: 17px;
    line-height: 1.55;
  }

  .faq-section details p {
    margin: -2px 0 24px;
    font-size: 14px;
    line-height: 1.9;
  }

  .closing-section {
    min-height: 44svh;
    padding: 52px 20px;
  }

  .closing-copy {
    margin-top: 16px;
    font-size: 14px;
    line-height: 1.75;
  }

  .closing-line-cta {
    width: min(330px, 88vw);
    min-height: 52px;
    margin-top: 22px;
    font-size: 20px;
  }

  .closing-top-link {
    margin-top: 24px;
    padding: 13px 20px;
  }

  .scroll-button {
    width: 42px;
    height: 42px;
    font-size: 20px;
  }

  .launch-cta {
    min-height: 58px;
    padding: 16px 30px;
  }

  .roulette-panel {
    gap: 14px;
    padding-bottom: 44px;
  }

  .roulette-stage {
    width: min(300px, 82vw);
  }

  .roulette-hub {
    width: 56px;
  }

  .roulette-hit {
    left: 54%;
    top: 14%;
    width: 15px;
    height: 36px;
    font-size: 9px;
  }

  .roulette-coupon-card {
    gap: 8px;
    width: min(340px, 90vw);
  }

  .roulette-coupon-card h2 {
    font-size: clamp(19px, 6vw, 25px);
  }

  .coupon-ticket {
    grid-template-columns: 1fr;
    gap: 2px;
    min-height: 62px;
    padding: 8px 16px;
  }

  .roulette-line-button {
    min-height: 46px;
    padding: 11px 18px;
  }

  .coupon-ticket strong {
    text-align: center;
  }

  .coupon-ticket span {
    min-width: 0;
    padding: 4px 0 0;
    border-left: 0;
    border-top: 1px dashed rgba(43, 23, 0, 0.38);
  }
}