:root {
  color-scheme: light;
  --ivory: #fffaf0;
  --sky: #e9f6ff;
  --lavender: #f4efff;
  --lavender-strong: #d7c5ff;
  --navy: #24345f;
  --violet: #6862b5;
  --gold: #c79a32;
  --ink: #253047;
  --muted: #68718a;
  --card: rgba(255, 255, 255, 0.82);
  --line: rgba(87, 89, 137, 0.16);
  --shadow: 0 14px 34px rgba(53, 55, 104, 0.11);
  --soft-shadow: 0 8px 22px rgba(53, 55, 104, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(233, 246, 255, 0.95), transparent 34rem),
    linear-gradient(135deg, var(--ivory), var(--lavender) 56%, #edf8ff);
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  font-family:
    "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  line-height: 1.75;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  width: 100%;
}

.home-view,
.detail-view {
  width: min(100%, 1040px);
  margin: 0 auto;
  padding: 24px 18px 42px;
}

.hero {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 4px 22px;
}

.app-icon {
  width: 76px;
  height: 76px;
  flex: 0 0 auto;
  border-radius: 24px;
  box-shadow: var(--soft-shadow);
}

.title-group h1,
.detail-profile h1 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(2rem, 8vw, 3.4rem);
  line-height: 1.15;
  letter-spacing: 0;
}

.title-group p {
  margin: 6px 0 0;
  color: var(--violet);
  font-size: 1rem;
  font-weight: 700;
}

.search-section {
  position: sticky;
  top: 0;
  z-index: 4;
  padding: 8px 0 18px;
  background: linear-gradient(180deg, rgba(248, 245, 255, 0.96), rgba(248, 245, 255, 0.74));
  backdrop-filter: blur(12px);
}

.search-input {
  width: 100%;
  min-height: 54px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  outline: none;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--soft-shadow);
  color: var(--navy);
}

.search-input::placeholder {
  color: #7b8198;
}

.search-input:focus {
  border-color: rgba(104, 98, 181, 0.45);
  box-shadow: 0 0 0 4px rgba(215, 197, 255, 0.45), var(--soft-shadow);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.philosopher-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--card);
  box-shadow: var(--soft-shadow);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.philosopher-card:hover,
.philosopher-card:focus-visible {
  border-color: rgba(104, 98, 181, 0.34);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
  outline: none;
}

.initial-badge,
.detail-initial {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 999px;
  background: linear-gradient(145deg, var(--sky), var(--lavender-strong));
  color: var(--navy);
  font-weight: 800;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.78), var(--soft-shadow);
}

.initial-badge {
  width: 52px;
  height: 52px;
  font-size: 1.45rem;
}

.card-content {
  min-width: 0;
}

.card-content h2 {
  margin: 0;
  color: var(--navy);
  font-size: 1.28rem;
  line-height: 1.35;
}

.name-en,
.meta,
.detail-name-en,
.detail-years,
.detail-place {
  margin: 2px 0 0;
  color: var(--muted);
}

.name-en,
.detail-name-en {
  color: var(--violet);
  font-weight: 700;
}

.one-line,
.detail-one-line {
  margin: 12px 0 0;
}

.keyword-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.keyword {
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  min-height: 30px;
  padding: 4px 10px;
  border: 1px solid rgba(199, 154, 50, 0.22);
  border-radius: 999px;
  background: rgba(255, 250, 240, 0.86);
  color: #765d1e;
  font-size: 0.85rem;
  font-weight: 700;
}

.detail-button,
.secondary-button,
.back-button,
.related-button {
  border: 0;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 150ms ease, box-shadow 150ms ease, background 150ms ease;
}

.detail-button {
  margin-top: 16px;
  padding: 10px 16px;
  background: linear-gradient(135deg, var(--navy), var(--violet));
  color: #fff;
  box-shadow: var(--soft-shadow);
}

.detail-button:hover,
.secondary-button:hover,
.back-button:hover,
.related-button:hover {
  transform: translateY(-1px);
}

.empty-state,
.loading {
  margin-top: 18px;
  padding: 28px 20px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--card);
  text-align: center;
  box-shadow: var(--soft-shadow);
}

.empty-state p {
  margin: 0;
}

.secondary-button {
  margin-top: 16px;
  padding: 10px 16px;
  background: var(--navy);
  color: #fff;
}

.back-button {
  margin-bottom: 16px;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.85);
  color: var(--navy);
  box-shadow: var(--soft-shadow);
}

.detail-profile {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 16px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow);
}

.detail-initial {
  width: 72px;
  height: 72px;
  font-size: 2rem;
}

.detail-profile h1 {
  font-size: clamp(1.85rem, 7vw, 3rem);
}

.detail-section {
  margin-top: 14px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--soft-shadow);
}

.detail-section h2 {
  margin: 0 0 10px;
  color: var(--navy);
  font-size: 1.08rem;
}

.detail-section p {
  margin: 0;
}

.highlight-section {
  border-color: rgba(199, 154, 50, 0.3);
  background: linear-gradient(135deg, rgba(255, 250, 240, 0.98), rgba(244, 239, 255, 0.9));
}

.highlight-section h2 {
  color: #7c5f15;
}

.stack-list,
.idea-grid {
  display: grid;
  gap: 12px;
}

.idea-grid {
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

.idea-card,
.record-item {
  padding: 14px;
  border: 1px solid rgba(104, 98, 181, 0.13);
  border-radius: 16px;
  background: rgba(249, 247, 255, 0.72);
}

.idea-card h3,
.record-item h3 {
  margin: 0 0 6px;
  color: var(--violet);
  font-size: 1rem;
}

.record-type {
  margin-bottom: 6px !important;
  color: var(--gold);
  font-size: 0.92rem;
  font-weight: 800;
}

.wide {
  margin-top: 0;
}

.related-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.related-button {
  padding: 9px 14px;
  border: 1px solid rgba(104, 98, 181, 0.18);
  background: rgba(233, 246, 255, 0.86);
  color: var(--navy);
}

.small-note {
  margin-top: 8px !important;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 620px) {
  .home-view,
  .detail-view {
    padding: 18px 14px 34px;
  }

  .hero {
    align-items: flex-start;
    gap: 12px;
  }

  .app-icon {
    width: 62px;
    height: 62px;
    border-radius: 20px;
  }

  .philosopher-card {
    grid-template-columns: 1fr;
  }

  .initial-badge {
    width: 48px;
    height: 48px;
  }

  .detail-profile {
    align-items: flex-start;
    gap: 14px;
    padding: 18px;
  }

  .detail-initial {
    width: 58px;
    height: 58px;
    font-size: 1.55rem;
  }

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