:root {
  --bg: #f2f4f6;
  --ink: #1a1f24;
  --accent: #1b8f86;
  --radius: min(42vw, 480px);
  --card-w: min(26vw, 300px);
  --card-h: var(--card-w);
  --corner: 22px;
  --ease: cubic-bezier(0.33, 0, 0.16, 1);
  --duration: 1.1s;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Noto Sans JP", Inter, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

.hero {
  position: sticky;
  top: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100svh;
  min-height: 100svh;
  overflow: hidden;
  padding: 9vh 0 0;
  margin-top: 0;
  background: linear-gradient(to bottom, #f3f5f7 52%, #fff 100%);
  
}

.l-rising {
  position: relative;
  z-index: 2;
  background-color: #fff;
}

.hero .inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.hero__head {
  position: relative;
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.15rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.brand__mark {
  width: 34px;
  height: 34px;
  display: block;
}

.brand__name {
  font-family: Inter, sans-serif;
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.hero__title {
  margin: 0;
  font-size: clamp(32px, 6vw, 70px);
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.2;
  text-align: center;
  margin-left: 5%;
}

.accent {
  color: #007059;
}

.hero_inner {
  width: 95%;
  margin: auto;
}

.hero__btn-list {
  display: flex;
  justify-content: center;
  gap: 16px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 110px;
  z-index: 100;
}

.hero__btn-item a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 275px;
  padding: 15px 20px;
  background: #007059;
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  position: relative;
  border: 1px solid #007059;
  margin: auto;
  border-radius: 3px;
}
.hero__btn-item a:hover {
  background: #fff;
  color: #007059;
}

.hero__btn-item:last-child a {
  background: #fff;
  color: #007059;
  border: 1px solid #007059;
}
.hero__btn-item:last-child a:hover {
  background: #007059;
  color: #fff;
}
.hero__btn-item .site-header__btn-arrow {
  right: 9px;
}
.scene {
  position: relative;
  z-index: 2;
  width: 100%;
  height: calc(var(--card-h) * 2);
  margin-top: 2vh;
  overflow: hidden;
  --radius: min(42vw, 480px);
  --card-w: min(26vw, 300px);
  --card-h: var(--card-w);
  margin-top: -60px;
}

.scene__3d {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: visible;
  perspective: 720px;
  perspective-origin: 50% 55%;
  transform-style: preserve-3d;
}

.stage,
.slogan {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}

.stage {
  transform-style: preserve-3d;
  transform: translateZ(calc(var(--radius) * 0.78));
}

.card {
  position: absolute;
  left: 50%;
  top: 22%;
  width: var(--card-w);
  margin-left: calc(var(--card-w) / -2);
  transform-style: preserve-3d;
  transform-origin: 50% calc(var(--card-h) / 2);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  cursor: pointer;
  opacity: 1;
}

.card.is-flow {
  transition: opacity 0.28s linear;
}

.card.is-instant {
  transition: none;
}

.card.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.card__face {
  position: relative;
  width: 100%;
  height: var(--card-h);
  overflow: visible;
  border-radius: var(--corner);
  isolation: isolate;
  background: #d5dbe1;
  box-shadow:
    0 18px 40px rgba(20, 28, 36, 0.12),
    0 0 0 1px rgba(255, 255, 255, 0.28) inset;
}

.card__face img,
.card__reflection img {
  width: 100%;
  height: var(--card-h);
  object-fit: cover;
  object-position: center;
  display: block;
}

.card__face img {
  border-radius: var(--corner);
}

.card__glare {
  position: absolute;
  left: 0;
  bottom: 12%;
  width: 100%;
  height: 14%;
  border-radius: 0 0 var(--corner) var(--corner);
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.05) 28%,
    rgba(255, 255, 255, 0.55) 50%,
    rgba(210, 245, 255, 0.28) 58%,
    transparent 78%
  );
  mix-blend-mode: screen;
  pointer-events: none;
}

.card__reflection {
  margin-top: 0;
  height: calc(var(--card-h) * 0.3);
  overflow: hidden;
  pointer-events: none;
  mask-image: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.4) 0%,
    rgba(0, 0, 0, 0.12) 42%,
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.4) 0%,
    rgba(0, 0, 0, 0.12) 42%,
    transparent 100%
  );
}

.card__reflection img {
  transform: scaleY(-1);
  transform-origin: center center;
  border-radius: var(--corner);
  opacity: 0.9;
  filter: blur(2px);
}

.slogan {
  z-index: 12;
  pointer-events: none;
  opacity: 1;
  mix-blend-mode: overlay;
  margin-top: -0.7rem;
}

.slogan span {
  position: absolute;
  font-family: Inter, sans-serif;
  font-size: calc(90vw / var(--slogan-len, 28));
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1;
  color: #fff;
  text-align: center;
  transform-origin: center center;
  white-space: pre;
}

.flare {
  position: absolute;
  left: 5%;
  right: 5%;
  width: 90%;
  top: calc(22% + var(--card-h) * 0.78);
  height: 48px;
  z-index: 7;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.08) 22%,
    rgba(255, 255, 255, 0.55) 48%,
    rgba(180, 235, 255, 0.22) 56%,
    transparent 82%
  );
  mix-blend-mode: screen;
  transform: translateZ(calc(var(--radius) * -0.72));
}

@media (max-width: 900px) {
  :root,
  .scene {
    --card-w: min(38vw, 280px);
    --radius: min(48vw, 400px);
  }

  .hero__title {
    letter-spacing: 0.06em;
  }
}

@media (max-width: 736px) {
  :root,
  .scene {
    --card-w: 70px;
    --card-h: 88px;
    --radius: 155px;
    --corner: 10px;
  }

  .hero__title {
    margin-bottom: 0;
    font-size: 30px;
  }

  .scene {
    height: 230px;
    margin-top: 20px;
  }

  .slogan {
    margin-top: 0.5rem;
  }

  .hero__btn-list {
    position: unset;
    transform: unset;
    margin-top: 16px;
  }
  .hero {
    padding: 0 !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .card {
    transition-duration: 0.01ms;
  }
}