:root {
  --e0: 0.7px;
  --e1: 0.8px;
  --e2: 3px;
  --e3: 1px;
  --e4: 1.5px;
  --e5: 8px;
  --e6: 2.6px;
  --e7: 4px;
  --e8: 2.5px;
  --bg-color: #ccd6ea;
  --text-main: #3e4b5b;
  --text-light: #7a8ba3;
  --shadow-dark: #9dacc4;
  --shadow-light: #eaeff8;
  --press-light: rgba(255, 255, 255, 0.6);
  --press-dark: rgba(163, 177, 198, 0.4);
  --accent-blue: #5c8df6;
  --accent-glow: rgba(92, 141, 246, 0.4);
  --container-width: 880px;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: Inter, "Noto Sans JP", sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  overflow-y: auto !important;
  height: auto !important;
  touch-action: auto !important;
  position: relative;
}
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}
h1 {
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--text-main);
  line-height: 1.3;
}
.header {
  padding: 12px 0;
  position: relative;
  z-index: 10;
}
.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.04em;
  color: var(--text-light);
}
.header .logo {
  font-size: 36px;
  font-weight: bold;
}
.hero {
  display: flex;
  align-items: center;
  padding-top: 0px;
  padding-bottom: 0px;
  gap: 20px;
}
.hero-content {
  flex: 1 1 55%;
  min-width: 0;
}
.hero-title {
  font-size: 36px;
  font-weight: bold;
  margin-bottom: 18px;
  color: var(--text-light);
  line-height: 1.2;
}
.hero-subtitle {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-bottom: 12px;
  line-height: 1.6;
  max-width: 460px;
  text-wrap: pretty;
}
.hero-description {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-light);
  margin-bottom: 32px;
  line-height: 1.6;
  max-width: 460px;
  text-wrap: pretty;
}
.hero-visual {
  flex: 1 1 45%;
  min-width: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}
.dish-art-wrapper {
  width: 380px;
  height: 380px;
  min-width: 380px;
  min-height: 380px;
  flex-shrink: 0;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  transform: scale(0.78947);
}
.dish-art {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 760px;
  height: 760px;
  margin: -380px 0 0 -380px;
  transform: scale(0.5);
  transform-origin: center center;
}
.dish {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--bg-color);
  overflow: hidden;
}
.dish::before {
  content: "";
  position: absolute;
  inset: 40px;
  border-radius: 50%;
  pointer-events: none;
  background-image: linear-gradient(
    to top,
    rgba(255, 255, 255, 0) 0,
    rgba(255, 255, 255, 0.25) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  background-size: 100% 200%;
  opacity: 0.6;
  animation: 3s ease-in-out infinite alternate bgWaterSurface;
  z-index: 1;
}
@keyframes bgWaterSurface {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 0 100%;
  }
}
.dish-rim {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  pointer-events: none;
}
.dish-rim::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  box-shadow:
    15px 15px 30px var(--shadow-dark),
    -15px -15px 30px var(--shadow-light);
  filter: blur(var(--e7));
  pointer-events: none;
}
.dish-rim::before {
  content: "";
  position: absolute;
  inset: 40px;
  border-radius: 50%;
  box-shadow:
    inset 15px 15px 30px var(--shadow-dark),
    inset -15px -15px 30px var(--shadow-light);
  filter: blur(var(--e5));
}
.app-cell {
  position: absolute;
  border-radius: 50%;
  left: 50%;
  top: 50%;
  transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  animation: 10s ease-in-out infinite alternate cellMove;
}
.app-cell:nth-child(2n) {
  animation-direction: alternate-reverse;
  animation-duration: 12s;
}
.app-cell::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 18.8%;
  height: 18.8%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
}
@keyframes cellMove {
  0% {
    transform: translate(0, 0) rotate(0);
  }
  100% {
    transform: translate(30px, -20px) rotate(90deg);
  }
}
.reveal-up {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1),
    transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal-up.in-view {
  opacity: 1;
  transform: translateY(0);
}
.reveal-sink {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1),
    transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal-sink.in-view {
  opacity: 1;
  transform: translateY(0);
}
.footer {
  padding: 20px 0;
  margin-top: 0;
}
.footer-content {
  padding: 24px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.footer-content > p {
  color: var(--text-light);
  font-size: 0.9rem;
  max-width: 420px;
}
.copyright {
  font-size: 0.8rem;
  color: var(--text-light);
}
.coming-soon {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--accent-blue);
  margin-top: 32px;
  letter-spacing: -0.01em;
}
@media (max-width: 1150px) {
  .hero {
    gap: 60px;
  }
}
@media (max-width: 1100px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 12px;
    gap: 24px;
  }
  .hero-content {
    max-width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .hero-description,
  .hero-subtitle {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
  }
  .hero-visual {
    order: -1;
    margin-top: 20px;
    margin-bottom: -20px;
  }
  .dish-art-wrapper {
    transform: scale(0.75);
  }
}
@media (max-width: 600px) {
  .hero {
    gap: 16px;
    padding-top: 0px;
  }
  .hero-title {
    font-size: 36px;
  }
  .dish-art-wrapper {
    transform: scale(0.65);
    margin-top: -10px;
    margin-bottom: -20px;
  }
  .footer-content {
    padding: 24px;
    flex-direction: column;
    justify-content: center;
    gap: 16px;
  }
}