:root {
  --bg: #070b14;
  --bg2: #0d1322;
  --panel: rgba(17, 24, 40, 0.86);

  --text: #dde6f7;
  --text-soft: #a6b4cc;
  --text-dim: #6e7c96;

  --accent: #4a80d4;
  --accent-2: #7da7ea;
  --line: rgba(74, 128, 212, 0.2);
  --line-strong: rgba(74, 128, 212, 0.44);

  --radius: 14px;
  --max: 1080px;
  --shadow: rgba(0, 0, 0, 0.38);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Noto Serif JP", serif;
  line-height: 1.9;
  background:
    radial-gradient(circle at top left, rgba(74, 128, 212, 0.1), transparent 32%),
    radial-gradient(circle at bottom right, rgba(74, 128, 212, 0.06), transparent 28%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg2) 55%, var(--bg) 100%);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 120px,
      rgba(255,255,255,0.012) 120px,
      rgba(255,255,255,0.012) 121px
    ),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 120px,
      rgba(255,255,255,0.01) 120px,
      rgba(255,255,255,0.01) 121px
    );
  z-index: 0;
}

.char-page {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  padding: 34px 20px 100px;
}

.char-nav {
  margin-bottom: 20px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  color: var(--text-soft);
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 2px;
  transition: color 0.2s ease;
}

.back-link:hover {
  color: var(--accent-2);
}

.char-header {
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  background:
    linear-gradient(180deg, rgba(17, 24, 40, 0.96) 0%, rgba(9, 13, 23, 0.96) 100%);
  box-shadow: 0 20px 40px var(--shadow);
  overflow: hidden;
  position: relative;
}

.char-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(74, 128, 212, 0.12), transparent 28%),
    radial-gradient(circle at 80% 30%, rgba(74, 128, 212, 0.08), transparent 24%);
  pointer-events: none;
}

.char-header::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 2px;
  width: 100%;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.char-header-inner {
  position: relative;
  padding: 64px 40px 52px;
  text-align: center;
}

.char-kicker {
  margin: 0 0 14px;
  color: var(--text-dim);
  font-size: 11px;
  letter-spacing: 4px;
}

.char-name-en {
  margin: 0;
  font-size: clamp(30px, 6vw, 54px);
  line-height: 1.05;
  letter-spacing: 7px;
  font-weight: 600;
  color: #f4f8ff;
}

.char-name-ja {
  margin: 16px 0 0;
  font-size: 18px;
  color: var(--accent-2);
  letter-spacing: 2px;
}

.char-subtitle {
  margin: 10px 0 0;
  color: var(--text-soft);
  font-size: 15px;
  letter-spacing: 2px;
}

.char-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 26px;
}

.char-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.02);
  color: var(--text-soft);
  font-size: 11px;
  letter-spacing: 2px;
}

.section {
  margin-top: 34px;
}

.section-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.section-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 46px;
  height: 30px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--accent-2);
  background: rgba(74, 128, 212, 0.08);
  font-size: 12px;
  letter-spacing: 2px;
}

.section-head h2 {
  margin: 0;
  font-size: 22px;
  letter-spacing: 1px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 24px;
  box-shadow: 0 14px 30px rgba(0,0,0,0.22);
}

.panel p {
  margin: 0;
  color: var(--text-soft);
  font-size: 15px;
}

.panel p + p {
  margin-top: 14px;
}

.panel.emphasis {
  border-color: var(--line-strong);
  background:
    linear-gradient(180deg, rgba(17, 24, 40, 0.95) 0%, rgba(12, 20, 36, 0.98) 100%);
}

.single-line {
  color: #f3f7ff !important;
  font-size: 20px !important;
  letter-spacing: 1px;
  text-align: center;
}

.panel.caution {
  border-color: rgba(125, 167, 234, 0.28);
}

.quote-panel p {
  font-size: 18px;
  color: #f0f5ff;
}

.info-grid,
.trait-grid,
.relation-grid {
  display: grid;
  gap: 16px;
}

.info-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 16px;
}

.info-card,
.trait-card,
.relation-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(17, 24, 40, 0.88) 0%, rgba(10, 15, 25, 0.94) 100%);
  box-shadow: 0 12px 24px rgba(0,0,0,0.2);
}

.info-card {
  padding: 18px 16px;
}

.info-label {
  color: var(--text-dim);
  font-size: 12px;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.info-value {
  color: #f1f6ff;
  font-size: 16px;
}

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

.trait-card {
  padding: 18px 14px;
  text-align: center;
  color: var(--text-soft);
  font-size: 14px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.trait-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

.relation-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.relation-card {
  padding: 22px 20px;
}

.relation-card h3 {
  margin: 0 0 12px;
  color: var(--accent-2);
  font-size: 18px;
}

.relation-card p {
  margin: 0;
  color: var(--text-soft);
  font-size: 14px;
}

.note-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--text-soft);
}

.note-list li + li {
  margin-top: 8px;
}

.char-footer {
  margin-top: 42px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  text-align: center;
}

.char-footer-label {
  margin: 0;
  color: var(--text-dim);
  font-size: 11px;
  letter-spacing: 3px;
}

.char-footer-copy {
  margin: 8px 0 0;
  color: var(--text-soft);
  font-size: 13px;
}

@media (max-width: 900px) {
  .info-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .trait-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .relation-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .char-page {
    padding: 24px 14px 80px;
  }

  .char-header-inner {
    padding: 52px 18px 40px;
  }

  .char-name-en {
    letter-spacing: 4px;
  }

  .char-tags span {
    width: 100%;
    justify-content: center;
  }

  .info-grid,
  .trait-grid {
    grid-template-columns: 1fr;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .panel,
  .info-card,
  .trait-card,
  .relation-card {
    padding: 18px 16px;
  }

  .single-line {
    font-size: 18px !important;
  }
}