:root {
  color-scheme: light;
  --paper: #f7f4ec;
  --paper-deep: #eee9de;
  --ink: #20243b;
  --ink-soft: #595d70;
  --indigo: #29326f;
  --indigo-deep: #171d4a;
  --accent: #a63d2b;
  --line: #d7d1c4;
  --white: #fffefa;
  font-family: "Hiragino Sans", "Yu Gothic", YuGothic, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  background: var(--paper);
  color: var(--ink);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 85% 4rem, rgb(41 50 111 / 8%) 0 11rem, transparent 11.1rem),
    linear-gradient(90deg, transparent 49.9%, rgb(32 36 59 / 2%) 50%, transparent 50.1%),
    var(--paper);
}

button,
input {
  font: inherit;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.6rem 0.9rem;
  background: var(--white);
  color: var(--indigo-deep);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgb(247 244 236 / 92%);
  backdrop-filter: blur(12px);
}

.header-inner,
main,
footer {
  width: min(1120px, calc(100% - 3rem));
  margin-inline: auto;
}

.header-inner {
  min-height: 5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-name {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.site-mark {
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  border-radius: 50% 48% 44% 52%;
  background: var(--indigo);
  color: var(--white);
  font-size: 1.15rem;
}

.edition-label,
.status-label {
  color: var(--indigo);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.introduction {
  max-width: 830px;
  padding: clamp(4rem, 9vw, 7.5rem) 0 clamp(3rem, 6vw, 5rem);
}

.eyebrow,
.active-filter,
.candidate-label,
.detail-label {
  margin: 0;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

h1,
h2,
h3,
h4,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
}

h1 {
  margin: 0.5rem 0 1.5rem;
  font-size: clamp(2.6rem, 7vw, 5.5rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0.03em;
}

.lead {
  max-width: 44rem;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 2vw, 1.15rem);
}

.lead strong {
  color: var(--ink);
}

.finder {
  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: minmax(18rem, 1fr) 1.25fr;
  gap: 2.5rem;
  padding: 2rem;
  border: 1px solid var(--line);
  border-top: 4px solid var(--indigo);
  background: rgb(255 254 250 / 94%);
  box-shadow: 0 1.25rem 3rem rgb(32 36 59 / 8%);
}

.search-field label,
.kana-fieldset legend {
  display: block;
  margin-bottom: 0.65rem;
  color: var(--indigo-deep);
  font-weight: 700;
}

.search-control {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  border-bottom: 2px solid var(--indigo);
  color: var(--indigo);
}

.search-control input {
  width: 100%;
  min-width: 0;
  padding: 0.72rem 0.2rem;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
}

.search-control:focus-within {
  box-shadow: 0 3px 0 var(--accent);
}

.search-hint {
  margin: 0.55rem 0 0;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.kana-fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.kana-browse {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.kana-button {
  min-width: 2.65rem;
  min-height: 2.65rem;
  padding: 0.42rem 0.72rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
}

.kana-button:hover {
  border-color: var(--indigo);
}

.kana-button[aria-pressed="true"] {
  border-color: var(--indigo);
  background: var(--indigo);
  color: var(--white);
}

.dictionary-results {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.results-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.results-header h2 {
  margin: 0.2rem 0 0;
  color: var(--indigo-deep);
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  font-weight: 500;
}

.result-count {
  flex: none;
  margin: 0;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.entry-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: clamp(1.4rem, 3vw, 2rem);
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: 0 0.5rem 1.5rem rgb(32 36 59 / 4%);
}

.entry-heading {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin: 0;
  color: var(--indigo-deep);
  font-size: clamp(1.2rem, 3vw, 1.55rem);
  font-weight: 600;
}

.entry-number {
  flex: none;
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  font-weight: 600;
}

.candidate-group {
  margin: 1.35rem 0;
  padding: 1rem 1.15rem;
  border-left: 3px solid var(--accent);
  background: var(--paper);
}

.candidate {
  margin: 0.15rem 0 0;
  color: var(--indigo-deep);
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-size: 1.35rem;
  font-weight: 700;
}

.entry-detail {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 0.75rem;
  margin-top: 0.55rem;
}

.entry-detail p {
  margin: 0;
  color: var(--ink-soft);
}

.detail-label {
  color: var(--ink);
  letter-spacing: 0.08em;
}

.entry-note {
  padding-top: 0.65rem;
  border-top: 1px dotted var(--line);
}

.entry-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: auto;
  padding-top: 1.4rem;
}

.article-link {
  color: var(--indigo);
  font-size: 0.9rem;
  font-weight: 700;
  text-underline-offset: 0.25em;
}

.article-link::after {
  content: " →";
}

.empty-state {
  grid-column: 1 / -1;
  padding: 4rem 2rem;
  border: 1px dashed var(--line);
  background: rgb(255 254 250 / 65%);
  text-align: center;
}

.empty-state p {
  margin: 0.3rem 0;
  color: var(--ink-soft);
}

.empty-state .empty-title {
  color: var(--indigo-deep);
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-size: 1.35rem;
}

.load-more-wrap {
  display: flex;
  justify-content: center;
  padding-top: 2.5rem;
}

.load-more {
  min-width: 16rem;
  padding: 0.9rem 1.5rem;
  border: 1px solid var(--indigo);
  background: transparent;
  color: var(--indigo);
  font-weight: 700;
  cursor: pointer;
}

.load-more:hover {
  background: var(--indigo);
  color: var(--white);
}

.load-more[hidden] {
  display: none;
}

footer {
  padding: 2.5rem 0 3.5rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.9rem;
}

@media (max-width: 719px) {
  .header-inner,
  main,
  footer {
    width: min(100% - 2rem, 38rem);
  }

  .header-inner {
    min-height: 4.25rem;
  }

  .site-name {
    font-size: 1rem;
  }

  .site-mark {
    width: 2.1rem;
    height: 2.1rem;
  }

  .edition-label {
    display: none;
  }

  .introduction {
    padding-top: 3.5rem;
  }

  h1 {
    font-size: clamp(2.35rem, 13vw, 3.6rem);
  }

  .finder {
    position: sticky;
    top: 0;
    grid-template-columns: 1fr;
    gap: 1.15rem;
    margin-inline: -0.35rem;
    padding: 1rem;
    box-shadow: 0 0.6rem 1.5rem rgb(32 36 59 / 10%);
  }

  .search-hint {
    display: none;
  }

  .kana-browse {
    flex-wrap: nowrap;
    padding: 0.2rem 0.2rem 0.45rem;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-width: thin;
  }

  .kana-button {
    flex: none;
  }

  .results-header {
    align-items: start;
    flex-direction: column;
    gap: 0.35rem;
  }

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

  .entry-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (min-width: 720px) {
  .introduction {
    max-width: none;
  }

  h1 {
    word-break: keep-all;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}