:root {
  color-scheme: light;
  --paper: #f5f0e8;
  --ink: #1f2523;
  --muted: #65716c;
  --line: rgba(31, 37, 35, 0.16);
  --accent: #0e7c72;
  --accent-strong: #c64f32;
  --panel: rgba(255, 252, 246, 0.78);
  --shadow: 0 24px 80px rgba(47, 61, 56, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background:
    linear-gradient(120deg, rgba(14, 124, 114, 0.14), transparent 42%),
    linear-gradient(300deg, rgba(198, 79, 50, 0.16), transparent 46%),
    var(--paper);
}

a {
  color: inherit;
}

.page-shell {
  min-height: calc(100vh - 64px);
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(340px, 1.1fr);
  align-items: center;
  gap: 40px;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 48px 0 24px;
}

.profile-panel {
  padding: 0;
}

.eyebrow {
  margin: 0 0 18px;
  font: 700 12px/1.1 ui-sans-serif, system-ui, sans-serif;
  text-transform: uppercase;
  color: var(--accent);
}

h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(48px, 8vw, 92px);
  line-height: 0.92;
  letter-spacing: 0;
}

.subtitle {
  max-width: 520px;
  margin: 26px 0 0;
  font: 18px/1.7 ui-sans-serif, system-ui, sans-serif;
  color: var(--muted);
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.link-row a {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0 16px;
  font: 700 14px/1 ui-sans-serif, system-ui, sans-serif;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.32);
}

.companion-panel {
  position: relative;
  min-height: min(720px, 78vh);
  border-left: 1px solid var(--line);
  overflow: hidden;
}

#live2d-canvas {
  width: 100%;
  height: 100%;
  min-height: min(720px, 78vh);
  display: block;
}

.assistant-bubble {
  position: absolute;
  right: 18px;
  bottom: 28px;
  max-width: min(360px, calc(100% - 36px));
  padding: 14px 16px;
  border: 1px solid rgba(31, 37, 35, 0.14);
  border-radius: 6px;
  background: var(--panel);
  box-shadow: var(--shadow);
  font: 15px/1.6 ui-sans-serif, system-ui, sans-serif;
  color: var(--ink);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 220ms ease, transform 220ms ease;
}

.assistant-bubble.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.status-text {
  position: absolute;
  left: 20px;
  bottom: 20px;
  margin: 0;
  font: 13px/1.4 ui-sans-serif, system-ui, sans-serif;
  color: var(--muted);
}

.site-footer {
  min-height: 64px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px 18px;
  padding: 16px 20px;
  border-top: 1px solid var(--line);
  font: 12px/1.5 ui-sans-serif, system-ui, sans-serif;
  color: var(--muted);
}

.site-footer a {
  color: var(--accent);
  text-underline-offset: 3px;
}

.error-page {
  width: min(760px, calc(100% - 40px));
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin: 0 auto;
}

.error-page h1 {
  max-width: none;
}

@media (max-width: 780px) {
  .page-shell {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 18px;
    padding-top: 36px;
  }

  h1 {
    font-size: clamp(44px, 16vw, 72px);
  }

  .companion-panel {
    min-height: 58vh;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  #live2d-canvas {
    min-height: 58vh;
  }
}