:root {
  --ink: #17233f;
  --muted: #65718a;
  --line: #dfe5ef;
  --soft: #f6f8fb;
  --panel: rgba(255, 255, 255, 0.92);
  --blue: #2d63d8;
  --blue-soft: #eaf1ff;
  --green: #23915a;
  --green-soft: #edf8f2;
  --gold: #c8922b;
  --shadow: 0 18px 50px rgba(23, 35, 63, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(245, 248, 252, 0.86), #fff 340px),
    radial-gradient(circle at 80% 10%, rgba(45, 99, 216, 0.1), transparent 28rem);
  font-family: "Yu Gothic UI", "Hiragino Kaku Gothic ProN", Meiryo, system-ui, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

button,
a {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  height: 70px;
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 0 clamp(18px, 4vw, 64px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
  white-space: nowrap;
}

.brand-mark {
  width: 48px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--blue);
  background: #fff;
}

.brand-mark svg {
  width: 26px;
  height: 26px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.3vw, 34px);
  flex: 1;
  height: 100%;
  font-size: 14px;
  font-weight: 700;
}

.main-nav a {
  height: 100%;
  display: grid;
  place-items: center;
  border-bottom: 3px solid transparent;
  color: #26324d;
}

.main-nav a.active {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-button {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 8px;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
}

.icon-button:hover {
  background: var(--soft);
}

main {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 48px) 48px;
}

.hero-copy,
.hero-visual,
.race-card,
.popular,
.race-title > div,
.prediction-card,
.stats-card,
.compare-summary,
.article-card {
  min-width: 0;
}

.hero {
  min-height: 390px;
  display: grid;
  grid-template-columns: minmax(360px, 0.92fr) minmax(420px, 1.08fr);
  gap: 38px;
  align-items: center;
  padding: 34px 0 24px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
}

.hero h1 {
  max-width: 640px;
  margin: 0;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.18;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 560px;
  margin: 22px 0 0;
  color: #3f4b64;
  font-size: 16px;
  font-weight: 600;
}

.hero-tools {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.hero-tools article {
  min-height: 92px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 12px 30px rgba(23, 35, 63, 0.06);
}

.hero-tools svg {
  width: 27px;
  height: 27px;
  color: var(--blue);
}

.hero-tools strong,
.hero-tools span {
  display: block;
}

.hero-tools strong {
  margin-top: 7px;
  font-size: 14px;
}

.hero-tools span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.hero-visual {
  position: relative;
  height: min(36vw, 430px);
  min-height: 300px;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.4), transparent 42%);
}

.hero-visual picture,
.article-card picture,
.hero-visual img,
.article-card img {
  width: 100%;
  height: 100%;
  display: block;
}

.hero-visual img,
.article-card img {
  object-fit: cover;
}

.hero-live {
  position: absolute;
  right: 20px;
  bottom: 20px;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 8px;
  color: #fff;
  background: rgba(23, 35, 63, 0.84);
}

.hero-live strong {
  min-width: 0;
}

.hero-live span {
  color: #fff;
  background: #d43b3b;
  border-radius: 4px;
  padding: 2px 7px;
  font-size: 12px;
  font-weight: 800;
}

.content-section {
  margin-top: 30px;
}

.section-heading {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 12px;
}

.section-heading h2 {
  margin: 0;
  font-size: 22px;
  line-height: 1.35;
}

.section-heading a {
  margin-left: auto;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
}

.heading-icon {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  color: var(--blue);
}

.spotlight-panel,
.analyst-note,
.stats-card,
.compare-summary,
.table-wrap,
.research-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 12px 32px rgba(23, 35, 63, 0.05);
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.research-card {
  min-height: 142px;
  padding: 18px;
}

.research-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 15px;
}

.research-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.spotlight-panel {
  display: grid;
  grid-template-columns: minmax(280px, 0.55fr) minmax(420px, 1fr);
  overflow: hidden;
}

.race-card,
.popular {
  padding: 26px;
}

.race-card {
  border-right: 1px solid var(--line);
}

.race-title {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.grade {
  flex: 0 0 auto;
  min-width: 46px;
  padding: 4px 11px;
  border-radius: 5px;
  color: #fff;
  background: #229c5a;
  text-align: center;
  font-weight: 900;
}

.race-title h3 {
  margin: 0 0 5px;
  font-size: 24px;
}

.race-title p,
.mini-heading {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.race-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 24px 0 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.race-meta div {
  min-height: 72px;
  display: grid;
  place-items: center;
  gap: 3px;
  padding: 10px;
  background: #fff;
  text-align: center;
}

.race-meta div + div {
  border-left: 1px solid var(--line);
}

.race-meta span,
.stat-row span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.race-meta strong {
  font-size: 15px;
}

.outline-button {
  min-height: 36px;
  padding: 8px 20px;
  border: 1px solid #9db8ef;
  border-radius: 6px;
  color: var(--blue);
  background: #fff;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}

.outline-button:hover {
  background: var(--blue-soft);
}

.compact {
  float: right;
  margin-top: 18px;
}

.horse-rank {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  margin-top: 14px;
  border-top: 1px solid var(--line);
}

.value-rank {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.value-rank article {
  min-height: 116px;
  display: grid;
  align-content: start;
  gap: 4px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.value-rank b {
  color: var(--blue);
  font-size: 22px;
  line-height: 1;
}

.value-rank strong {
  font-size: 13px;
  line-height: 1.35;
}

.value-rank span {
  color: #dc2727;
  font-size: 16px;
  font-weight: 900;
}

.value-rank em {
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
  font-weight: 800;
  line-height: 1.35;
}

.result-rank article {
  min-height: 132px;
}

.result-rank .hit {
  border-color: rgba(34, 156, 90, 0.45);
  background: #f4fbf6;
}

.result-rank .learned {
  border-color: rgba(216, 155, 28, 0.45);
  background: #fffaf0;
}

.result-rank .miss {
  border-color: rgba(220, 39, 39, 0.22);
  background: #fffafa;
}

.result-rank .hit span {
  color: var(--green);
}

.result-rank .learned span {
  color: var(--gold);
}

.source-line {
  clear: both;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.source-line a {
  color: var(--blue);
}

.horse-rank article {
  min-height: 104px;
  display: grid;
  align-content: center;
  gap: 5px;
  padding: 8px 12px;
}

.horse-rank b {
  color: var(--blue);
  font-size: 24px;
}

.horse-rank article:nth-child(3) b,
.horse-rank article:nth-child(3) span {
  color: #dc2727;
}

.horse-rank article:nth-child(5) b,
.horse-rank article:nth-child(5) span {
  color: var(--gold);
}

.horse-rank strong {
  min-height: 40px;
  font-size: 13px;
  line-height: 1.35;
}

.horse-rank span {
  color: #e02f2f;
  font-size: 22px;
  font-weight: 900;
}

.compare-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  gap: 22px;
  align-items: center;
}

.prediction-card {
  padding: 22px;
  border: 1px solid;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
}

.ai-a {
  border-color: #8fb2ff;
}

.ai-b {
  border-color: #92cda9;
}

.card-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.card-title h3 {
  margin: 0;
  font-size: 24px;
  color: var(--blue);
}

.ai-b .card-title h3 {
  color: var(--green);
}

.card-title span {
  border-radius: 999px;
  padding: 3px 10px;
  color: var(--blue);
  background: var(--blue-soft);
  font-size: 12px;
  font-weight: 900;
}

.ai-b .card-title span {
  color: var(--green);
  background: var(--green-soft);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 9px 10px;
  border-bottom: 1px solid #e8edf5;
  text-align: left;
  font-size: 13px;
}

th {
  color: #516078;
  background: #f2f5fa;
  font-size: 12px;
}

.prediction-card .outline-button {
  display: block;
  margin: 18px auto 0;
}

.green {
  color: var(--green);
  border-color: #91cda8;
}

.green:hover {
  background: var(--green-soft);
}

.versus {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: #293555;
  font-weight: 900;
}

.analyst-note {
  display: grid;
  grid-template-columns: 56px 84px 1fr minmax(190px, 260px);
  gap: 18px;
  align-items: center;
  margin-top: 22px;
  padding: 20px 24px;
}

.analyst-avatar {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, #273451, #6c7895);
  font-weight: 900;
}

.analyst-note span,
.analyst-note p {
  color: var(--muted);
}

.analyst-note strong {
  display: block;
  font-size: 17px;
}

.analyst-note p {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
}

.keyword-list {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  padding-left: 22px;
  border-left: 1px solid var(--line);
}

.keyword-list span {
  padding: 6px 10px;
  border-radius: 999px;
  color: #5f563e;
  background: #f2eadb;
  font-size: 12px;
  font-weight: 900;
}

.stats-layout {
  display: grid;
  grid-template-columns: 1fr 1fr minmax(250px, 0.7fr);
  gap: 20px;
}

.stats-card,
.compare-summary {
  padding: 22px;
}

.stats-card h3,
.compare-summary h3 {
  margin: 0 0 16px;
  font-size: 17px;
}

.blue-card h3,
.blue-card strong {
  color: var(--blue);
}

.green-card h3,
.green-card strong {
  color: var(--green);
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 10px;
}

.stat-row div {
  border-right: 1px solid var(--line);
}

.stat-row div:last-child {
  border-right: 0;
}

.stat-row strong {
  display: block;
  font-size: 28px;
  line-height: 1.25;
}

.sparkline {
  width: 100%;
  height: 120px;
}

.grid {
  fill: none;
  stroke: #edf0f5;
  stroke-width: 1;
}

.line {
  fill: none;
  stroke-width: 4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.blue-line {
  stroke: var(--blue);
}

.green-line {
  stroke: var(--green);
}

.compare-summary dl {
  margin: 0 0 18px;
}

.compare-summary div {
  display: grid;
  grid-template-columns: 86px 1fr;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.compare-summary dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.compare-summary dd {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin: 0;
  color: var(--green);
  font-weight: 900;
}

.compare-summary b {
  color: var(--blue);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  position: relative;
  min-height: 84px;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 2px;
  color: #25304d;
}

.timeline li::after {
  content: "";
  position: absolute;
  top: 29px;
  right: -22%;
  width: 44%;
  height: 1px;
  background: var(--line);
}

.timeline li:last-child::after {
  display: none;
}

.timeline svg {
  width: 38px;
  height: 38px;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--blue);
  background: #fff;
}

.timeline span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.article-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.article-card picture,
.article-card img,
.paper-chart {
  height: 142px;
}

.article-card > span {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  border-radius: 5px;
  color: #fff;
  background: rgba(23, 35, 63, 0.88);
  font-size: 12px;
  font-weight: 900;
}

.article-card h3,
.article-card p,
.article-card time {
  display: block;
  margin-left: 18px;
  margin-right: 18px;
}

.article-card h3 {
  min-height: 54px;
  margin-top: 17px;
  margin-bottom: 8px;
  font-size: 15px;
  line-height: 1.45;
}

.article-card p {
  margin-top: 0;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.article-card time {
  margin-bottom: 18px;
  color: #8390a6;
  font-size: 12px;
  font-weight: 800;
}

.paper-chart {
  position: relative;
  background:
    linear-gradient(145deg, rgba(45, 99, 216, 0.12), rgba(35, 145, 90, 0.08)),
    repeating-linear-gradient(0deg, #fff 0 18px, #eff3f8 19px);
}

.paper-chart span {
  position: absolute;
  height: 3px;
  border-radius: 999px;
  background: var(--blue);
  transform-origin: left center;
}

.paper-chart span:nth-child(1) {
  width: 46%;
  left: 22px;
  top: 92px;
  transform: rotate(-18deg);
}

.paper-chart span:nth-child(2) {
  width: 38%;
  left: 84px;
  top: 66px;
  background: var(--gold);
  transform: rotate(22deg);
}

.paper-chart span:nth-child(3) {
  width: 35%;
  left: 142px;
  top: 76px;
  background: var(--green);
  transform: rotate(-28deg);
}

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.archive-table {
  min-width: 980px;
}

.archive-table td,
.archive-table th {
  white-space: nowrap;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 26px;
  padding: 22px clamp(18px, 4vw, 48px) 40px;
  color: #79869c;
  font-size: 12px;
  font-weight: 700;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}

@media (max-width: 1080px) {
  .site-header {
    gap: 18px;
  }

  .main-nav {
    overflow-x: auto;
  }

  .hero,
  .spotlight-panel,
  .stats-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .race-card {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .hero-visual {
    height: 360px;
  }

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

  .versus {
    margin: -8px auto;
  }

  .analyst-note {
    grid-template-columns: 54px 1fr;
  }

  .analyst-note p,
  .keyword-list {
    grid-column: 1 / -1;
  }

  .keyword-list {
    padding-left: 0;
    border-left: 0;
  }

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

@media (max-width: 720px) {
  .site-header {
    height: auto;
    min-height: 66px;
    flex-wrap: wrap;
    padding-top: 10px;
    padding-bottom: 8px;
  }

  .brand span:last-child {
    display: none;
  }

  .main-nav {
    order: 3;
    flex-basis: 100%;
    height: 42px;
    font-size: 13px;
  }

  .header-actions {
    margin-left: auto;
  }

  main {
    padding-inline: 14px;
  }

  .hero {
    min-height: 0;
    padding-top: 26px;
  }

  .hero h1 {
    max-width: 100%;
    font-size: 25px;
    line-height: 1.42;
    overflow-wrap: anywhere;
  }

  .hero-lead {
    font-size: 14px;
    overflow-wrap: anywhere;
  }

  .hero-tools,
  .horse-rank,
  .value-rank,
  .stat-row,
  .article-grid,
  .research-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    height: 280px;
    min-height: 240px;
  }

  .hero-live {
    left: 12px;
    right: 12px;
    bottom: 12px;
    justify-content: center;
    gap: 8px;
    padding: 9px 10px;
  }

  .hero-live strong {
    font-size: 13px;
  }

  .race-title {
    align-items: center;
  }

  .race-title p {
    overflow-wrap: anywhere;
  }

  .race-meta {
    grid-template-columns: 1fr;
  }

  .race-meta div + div {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .popular,
  .race-card,
  .prediction-card,
  .stats-card,
  .compare-summary {
    padding: 18px;
  }

  .prediction-card {
    overflow-x: auto;
  }

  .horse-rank article {
    min-height: 68px;
    grid-template-columns: 40px 1fr 50px;
    align-items: center;
  }

  .horse-rank strong {
    min-height: 0;
  }

  .timeline li::after {
    display: none;
  }

  .section-heading {
    align-items: flex-start;
  }

  .section-heading h2 {
    font-size: 19px;
  }

  .race-title h3 {
    font-size: 22px;
  }
}