*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  overflow: hidden;
  background: #050505;
  font-family: 'Zen Kaku Gothic New', 'Helvetica Neue', 'Arial', sans-serif;
}

#visual-layer {
  position: fixed;
  inset: 0;
  background: #050505;
  z-index: 0;
}

#visual-layer .monolith,
#visual-layer .figure {
  display: none;
}

.bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: blur(20px);
  transform: scale(1.1);
  transition: opacity 1.2s ease, filter 1.2s ease, transform 1.2s ease;
}

.bg.loaded {
  filter: blur(0);
  transform: scale(1);
}

.bg-day {
  background-image: url('data:image/jpeg;base64,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');
  opacity: 1;
  z-index: 0;
}

.bg-night {
  background-image: url('data:image/jpeg;base64,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');
  opacity: 0;
  z-index: 1;
}

.bg-hidden {
  background-image: url('data:image/jpeg;base64,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');
  opacity: 0;
  z-index: 2;
}

[data-mode="night"] .bg-day { opacity: 0; }
[data-mode="night"] .bg-night { opacity: 1; }

[data-mode="hidden"] .bg-day { opacity: 0; }
[data-mode="hidden"] .bg-night { opacity: 0; }
[data-mode="hidden"] .bg-hidden { opacity: 1; }

#visual-layer canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.title {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 2vw, 24px);
  font-size: clamp(16px, 2.8vw, 28px);
  font-weight: 200;
  letter-spacing: 0.4em;
  color: rgba(0, 0, 0, 0.45);
  z-index: 10;
  user-select: none;
  pointer-events: none;
  transition: bottom 1.2s ease, color 1.2s ease;
}

[data-mode="night"] .title,
[data-mode="hidden"] .title {
  bottom: 40%;
  color: rgba(255, 255, 255, 0.4);
}

.mode-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: inherit;
  pointer-events: auto;
  transition: opacity 0.3s ease;
}

.mode-toggle:hover {
  opacity: 0.8;
}

.mode-icon {
  display: block;
  width: clamp(10px, 1.2vw, 14px);
  height: clamp(10px, 1.2vw, 14px);
  border-radius: 50%;
  border: 1.5px solid currentColor;
  transition: border-color 0.6s ease, box-shadow 0.6s ease, transform 0.6s ease, border-radius 0.6s ease, background 0.6s ease;
  box-shadow: none;
  background: transparent;
}

[data-mode="night"] .mode-icon {
  border-color: transparent;
  box-shadow: inset -4px -2px 0 0 currentColor;
}

[data-mode="hidden"] .mode-icon {
  border-color: transparent;
  border-radius: 0;
  transform: rotate(45deg) scale(0.8);
  background: currentColor;
  box-shadow: none;
}

.contact {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  text-align: center;
  padding-bottom: clamp(32px, 6vh, 60px);
  z-index: 10;
}

.contact a {
  font-size: clamp(10px, 1.4vw, 14px);
  font-weight: 200;
  letter-spacing: 0.3em;
  color: rgba(255, 255, 255, 0.4);
  text-decoration: none;
}

.contact a:hover {
  opacity: 0.7;
}

.secret-zone {
  position: fixed;
  top: 0;
  right: 0;
  width: 60px;
  height: 60px;
  z-index: 20;
  cursor: default;
}

.monolith {
  position: relative;
  width: clamp(120px, 18vw, 240px);
  height: clamp(160px, 28vh, 340px);
  z-index: 1;
  margin-bottom: clamp(20px, 4vh, 50px);
}

.monolith-glow {
  position: absolute;
  inset: 0;
  border-radius: 4px;
  background: linear-gradient(
    180deg,
    #ff8855 0%,
    #ffcc99 25%,
    #ffddbb 45%,
    #ccddee 65%,
    #6699cc 100%
  );
  box-shadow:
    0 0 60px rgba(255, 136, 85, 0.35),
    0 0 120px rgba(255, 136, 85, 0.15),
    0 0 40px rgba(102, 153, 204, 0.2);
  animation: breathe 4s ease-in-out infinite;
}

.monolith-glow::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 4px;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.12) 2px,
    rgba(0, 0, 0, 0.12) 4px
  );
}

.monolith-glow::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 4px;
  background: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 3px,
    rgba(0, 0, 0, 0.06) 3px,
    rgba(0, 0, 0, 0.06) 6px
  );
}

@keyframes breathe {
  0%, 100% {
    box-shadow:
      0 0 60px rgba(255, 136, 85, 0.35),
      0 0 120px rgba(255, 136, 85, 0.15),
      0 0 40px rgba(102, 153, 204, 0.2);
  }
  50% {
    box-shadow:
      0 0 80px rgba(255, 136, 85, 0.45),
      0 0 160px rgba(255, 136, 85, 0.2),
      0 0 60px rgba(102, 153, 204, 0.3);
  }
}

.figure {
  position: absolute;
  bottom: clamp(12%, 18vh, 22%);
  left: 50%;
  transform: translateX(-50%);
  width: clamp(18px, 2.5vw, 35px);
  height: clamp(36px, 5vw, 70px);
  background: #050505;
  clip-path: polygon(
    50% 0%,
    38% 14%, 32% 14%,
    22% 42%, 28% 44%,
    28% 65%, 22% 100%,
    38% 100%, 42% 70%,
    50% 68%,
    58% 70%, 62% 100%,
    78% 100%, 72% 65%,
    72% 44%, 78% 42%,
    68% 14%, 62% 14%
  );
  z-index: 3;
}

.ground {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 25vh;
  background: linear-gradient(
    0deg,
    rgba(18, 12, 6, 0.8) 0%,
    rgba(12, 8, 4, 0.4) 40%,
    transparent 100%
  );
  z-index: 1;
  pointer-events: none;
}

@media (max-width: 400px) {
  .title {
    letter-spacing: 0.25em;
  }
  .contact a {
    letter-spacing: 0.15em;
  }
}

@media (min-aspect-ratio: 21/9) {
  .monolith {
    width: clamp(100px, 10vw, 180px);
  }
}