:root {
  color-scheme: light;
  --ink: #14212a;
  --muted: #63727a;
  --paper: #f4f0e8;
  --panel: #fffdf8;
  --line: #d8d1c5;
  --teal: #157a78;
  --teal-pale: #dcefed;
  --coral: #df634c;
  --coral-pale: #f9e3dc;
  --navy: #203c50;
  --yellow: #f0c85a;
  --shadow: 0 18px 45px rgb(31 45 54 / 8%);
  font-family: Inter, "BIZ UDPGothic", "Yu Gothic UI", "Noto Sans JP", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 14%, rgb(21 122 120 / 7%) 0 2px, transparent 3px),
    radial-gradient(circle at 88% 22%, rgb(223 99 76 / 7%) 0 2px, transparent 3px), var(--paper);
  background-size:
    33px 33px,
    41px 41px,
    auto;
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

a {
  color: var(--teal);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

[hidden] {
  display: none !important;
}

.shell {
  width: min(1420px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  display: flex;
  min-height: 68px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgb(20 33 42 / 10%);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  position: relative;
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--navy);
  border-radius: 50%;
}

.brand-mark::before,
.brand-mark::after {
  position: absolute;
  border-radius: 50%;
  content: "";
}

.brand-mark::before {
  width: 6px;
  height: 6px;
  background: var(--coral);
  box-shadow:
    12px 1px 0 var(--teal),
    -10px 7px 0 var(--yellow);
}

.brand-mark::after {
  width: 20px;
  height: 9px;
  border: 1px solid rgb(32 60 80 / 45%);
  transform: rotate(-27deg);
}

.brand h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 760;
  letter-spacing: 0.02em;
}

.dictionary-status {
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.topnav {
  display: flex;
  gap: 18px;
  font-size: 13px;
}

.topnav a {
  color: var(--muted);
  text-decoration: none;
}

.topnav a:hover {
  color: var(--ink);
}

.search-dock {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  padding: 18px 0 15px;
}

.search-box {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 36px;
  min-height: 52px;
  align-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--panel);
  box-shadow: 0 8px 24px rgb(31 45 54 / 5%);
}

.search-icon {
  position: relative;
  width: 18px;
  height: 18px;
  justify-self: center;
  border: 1.8px solid var(--navy);
  border-radius: 50%;
}

.search-icon::after {
  position: absolute;
  right: -5px;
  bottom: -3px;
  width: 7px;
  height: 2px;
  background: var(--navy);
  content: "";
  transform: rotate(46deg);
}

.search-box input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font-size: 17px;
}

.search-box input::placeholder {
  color: #9b9f9b;
}

.search-box:focus-within {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgb(21 122 120 / 12%);
}

.search-clear {
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 50%;
  background: #eee9df;
  cursor: pointer;
}

.search-submit {
  min-width: 106px;
  border: 1px solid var(--navy);
  border-radius: 14px;
  background: var(--navy);
  color: white;
  font-weight: 720;
  cursor: pointer;
}

.search-submit:hover {
  background: #142f42;
}

.load-error {
  grid-column: 1 / -1;
  margin: 0;
  color: #a13b2b;
  font-size: 13px;
}

.workspace {
  display: grid;
  min-height: 690px;
  grid-template-columns: 240px minmax(480px, 1fr) 260px;
  gap: 14px;
  align-items: stretch;
}

.panel {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgb(255 253 248 / 92%);
  box-shadow: var(--shadow);
}

.panel-head {
  display: flex;
  min-height: 52px;
  align-items: center;
  justify-content: space-between;
  padding: 0 15px;
  border-bottom: 1px solid var(--line);
}

.panel-head h2 {
  margin: 0;
  font-size: 13px;
  font-weight: 760;
  letter-spacing: 0.06em;
}

.panel-head span {
  color: var(--muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.results-panel {
  display: flex;
  flex-direction: column;
}

.results-list {
  display: grid;
  gap: 1px;
  padding: 8px;
}

.result-item {
  display: grid;
  width: 100%;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2px 8px;
  padding: 11px 10px;
  border: 0;
  border-radius: 11px;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.result-item:hover {
  background: #f3eee4;
}

.result-item[data-active="true"] {
  background: var(--teal-pale);
  box-shadow: inset 3px 0 0 var(--teal);
}

.result-item strong {
  min-width: 0;
  overflow: hidden;
  font-size: 15px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.result-item span {
  align-self: center;
  color: var(--muted);
  font-size: 11px;
}

.result-item small {
  grid-column: 1 / -1;
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.definition-panel {
  display: flex;
  flex-direction: column;
}

.orbit-canvas {
  position: relative;
  min-height: 340px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at center, rgb(21 122 120 / 7%) 0 92px, transparent 93px),
    radial-gradient(
      circle at center,
      transparent 0 139px,
      rgb(32 60 80 / 14%) 140px,
      transparent 141px
    );
}

.orbit-canvas::before,
.orbit-canvas::after {
  position: absolute;
  inset: 50% auto auto 50%;
  border: 1px dashed rgb(32 60 80 / 18%);
  border-radius: 50%;
  content: "";
  transform: translate(-50%, -50%) rotate(-8deg);
}

.orbit-canvas::before {
  width: min(84%, 570px);
  height: 210px;
}

.orbit-canvas::after {
  width: min(68%, 430px);
  height: 150px;
  transform: translate(-50%, -50%) rotate(18deg);
}

.word-card {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  display: grid;
  width: min(330px, 52%);
  min-height: 148px;
  align-content: center;
  justify-items: center;
  padding: 22px 54px 18px 24px;
  border: 1px solid rgb(32 60 80 / 25%);
  border-radius: 24px;
  background: var(--panel);
  box-shadow: 0 22px 60px rgb(31 45 54 / 15%);
  transform: translate(-50%, -50%);
}

.word-display {
  max-width: 100%;
  overflow: hidden;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(25px, 3.3vw, 36px);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.reading-display {
  max-width: 100%;
  margin-top: 7px;
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.save-word {
  position: absolute;
  top: 14px;
  right: 13px;
  width: 37px;
  height: 37px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: white;
  color: transparent;
  cursor: pointer;
}

.save-word::before {
  position: absolute;
  top: 9px;
  left: 11px;
  width: 12px;
  height: 16px;
  border: 1.7px solid var(--teal);
  border-radius: 2px 2px 5px 5px;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 72%, 0 100%);
  content: "";
}

.save-word[data-saved="true"] {
  border-color: var(--teal);
  background: var(--teal);
}

.save-word[data-saved="true"]::before {
  border-color: white;
  background: white;
}

.orbit-list {
  position: absolute;
  z-index: 3;
  inset: 0;
  pointer-events: none;
}

.orbit-word {
  position: absolute;
  max-width: 150px;
  overflow: hidden;
  padding: 7px 11px;
  border: 1px solid rgb(32 60 80 / 24%);
  border-radius: 999px;
  background: var(--panel);
  box-shadow: 0 6px 18px rgb(31 45 54 / 9%);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
  pointer-events: auto;
}

.orbit-word:hover {
  border-color: var(--teal);
  transform: translateY(-2px);
}

.orbit-word[data-kind="antonym"] {
  border-color: rgb(223 99 76 / 55%);
  background: var(--coral-pale);
}

.orbit-word[data-kind="nearby"] {
  border-color: rgb(240 200 90 / 70%);
  background: #fff7da;
}

.orbit-word[data-position="1"] {
  top: 25px;
  left: 15%;
}

.orbit-word[data-position="2"] {
  top: 34px;
  right: 14%;
}

.orbit-word[data-position="3"] {
  top: 133px;
  left: 4%;
}

.orbit-word[data-position="4"] {
  top: 137px;
  right: 4%;
}

.orbit-word[data-position="5"] {
  bottom: 28px;
  left: 12%;
}

.orbit-word[data-position="6"] {
  right: 13%;
  bottom: 25px;
}

.orbit-word[data-position="7"] {
  bottom: 7px;
  left: 40%;
}

.orbit-word[data-position="8"] {
  top: 7px;
  left: 45%;
}

.orbit-empty {
  position: absolute;
  right: 0;
  bottom: 12px;
  left: 0;
  color: var(--muted);
  font-size: 11px;
  text-align: center;
}

.sense-block {
  padding: 0 18px 18px;
}

.sense-heading {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 17px 0 5px;
  font-size: 12px;
  letter-spacing: 0.05em;
}

.sense-heading::after {
  height: 1px;
  flex: 1;
  background: var(--line);
  content: "";
}

.sense-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.sense-list li {
  display: grid;
  grid-template-columns: 31px minmax(0, 1fr);
  gap: 8px;
  padding: 11px 0;
  border-bottom: 1px solid rgb(216 209 197 / 70%);
}

.sense-list li:last-child {
  border-bottom: 0;
}

.sense-number {
  color: var(--coral);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.sense-list p {
  margin: 0 0 4px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 15px;
  line-height: 1.45;
}

.sense-list small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.4;
}

.saved-panel {
  display: flex;
  flex-direction: column;
}

.saved-list {
  display: grid;
  gap: 6px;
  padding: 10px;
}

.saved-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 30px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: white;
}

.saved-open,
.saved-remove {
  border: 0;
  background: transparent;
  cursor: pointer;
}

.saved-open {
  overflow: hidden;
  padding: 9px 10px;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.saved-remove {
  color: #98928a;
}

.saved-open:hover,
.saved-remove:hover {
  background: #f2eee6;
}

.saved-empty {
  margin: auto 20px;
  padding: 38px 12px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
  text-align: center;
}

.review-start {
  min-height: 42px;
  margin: auto 10px 10px;
  border: 1px solid var(--teal);
  border-radius: 11px;
  background: var(--teal-pale);
  color: #0d5958;
  font-weight: 700;
  cursor: pointer;
}

.review-start:disabled {
  border-color: var(--line);
  background: #eeeae2;
  color: #a09c95;
  cursor: not-allowed;
}

.review-panel {
  position: fixed;
  z-index: 20;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgb(20 33 42 / 55%);
  backdrop-filter: blur(7px);
}

.review-card {
  position: relative;
  display: grid;
  width: min(440px, 100%);
  min-height: 300px;
  align-content: center;
  justify-items: center;
  padding: 42px;
  border: 1px solid rgb(255 255 255 / 50%);
  border-radius: 23px;
  background: var(--panel);
  box-shadow: 0 30px 80px rgb(10 20 28 / 35%);
}

.review-progress {
  position: absolute;
  top: 20px;
  left: 22px;
  color: var(--muted);
  font-size: 11px;
}

.review-close {
  position: absolute;
  top: 11px;
  right: 13px;
  width: 34px;
  height: 34px;
  border: 0;
  background: transparent;
  font-size: 20px;
  cursor: pointer;
}

.review-word {
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 30px;
  font-weight: 700;
}

.review-reading {
  margin: 6px 0 24px;
  color: var(--muted);
  font-size: 13px;
}

.review-meaning {
  margin: 0 0 24px;
  font-family: Georgia, serif;
  line-height: 1.55;
  text-align: center;
}

.review-action {
  min-width: 140px;
  min-height: 40px;
  border: 1px solid var(--navy);
  border-radius: 11px;
  background: var(--navy);
  color: white;
  cursor: pointer;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 2px 30px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
}

.site-footer a {
  color: var(--muted);
}

.legal-page {
  width: min(780px, calc(100% - 32px));
  min-height: calc(100vh - 180px);
  margin: 28px auto;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
}

.legal-page h2 {
  margin: 0 0 20px;
  font-size: 21px;
}

.legal-page h3 {
  margin: 25px 0 8px;
  font-size: 14px;
}

.legal-page p,
.legal-page li {
  font-size: 13px;
  line-height: 1.85;
}

.legal-page code {
  padding: 2px 5px;
  border-radius: 4px;
  background: #eee9df;
}

.not-found {
  display: grid;
  min-height: calc(100vh - 150px);
  place-items: center;
  text-align: center;
}

.not-found h2 {
  margin: 0 0 8px;
  font-size: 24px;
}

@media (max-width: 1060px) {
  .workspace {
    grid-template-columns: 205px minmax(420px, 1fr);
  }

  .saved-panel {
    grid-column: 1 / -1;
    min-height: 150px;
  }

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

  .review-start {
    margin-top: 10px;
  }
}

@media (max-width: 760px) {
  .shell {
    width: min(100% - 20px, 620px);
  }

  .topbar {
    min-height: 60px;
  }

  .topnav {
    gap: 11px;
    font-size: 11px;
  }

  .dictionary-status {
    display: none;
  }

  .search-dock {
    grid-template-columns: 1fr;
    gap: 8px;
    padding-top: 12px;
  }

  .search-submit {
    min-height: 42px;
  }

  .workspace {
    display: flex;
    min-height: 0;
    flex-direction: column;
  }

  .definition-panel {
    order: 1;
  }

  .results-panel {
    order: 2;
    max-height: 370px;
  }

  .saved-panel {
    order: 3;
  }

  .orbit-canvas {
    min-height: 320px;
  }

  .word-card {
    width: min(300px, 68%);
    min-height: 132px;
    padding-right: 46px;
  }

  .orbit-word {
    max-width: 112px;
    font-size: 11px;
  }

  .orbit-word[data-position="1"] {
    left: 5%;
  }

  .orbit-word[data-position="2"] {
    right: 4%;
  }

  .orbit-word[data-position="3"] {
    left: 1%;
  }

  .orbit-word[data-position="4"] {
    right: 1%;
  }

  .orbit-word[data-position="5"] {
    left: 4%;
  }

  .orbit-word[data-position="6"] {
    right: 4%;
  }

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

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

@media (prefers-reduced-motion: no-preference) {
  .orbit-canvas::before {
    animation: drift 24s linear infinite;
  }

  .orbit-canvas::after {
    animation: counter-drift 31s linear infinite;
  }

  .orbit-word,
  .result-item,
  .search-submit {
    transition:
      transform 150ms ease,
      background-color 150ms ease,
      border-color 150ms ease;
  }
}

@keyframes drift {
  from {
    transform: translate(-50%, -50%) rotate(-8deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(352deg);
  }
}

@keyframes counter-drift {
  from {
    transform: translate(-50%, -50%) rotate(18deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(-342deg);
  }
}