:root {
  --ink: #102632;
  --ink-soft: #49616c;
  --muted: #70818a;
  --surface: #f7f8f5;
  --card: #ffffff;
  --line: #d9e0db;
  --turf: #16765f;
  --turf-dark: #0d5947;
  --turf-pale: #e7f1eb;
  --risk: #a84d29;
  --risk-pale: #fdf0e9;
  --display: Georgia, "Times New Roman", "Yu Mincho", YuMincho, serif;
  --body: "BIZ UDPGothic", "Hiragino Sans", "Yu Gothic", YuGothic, system-ui, sans-serif;
  color: var(--ink);
  background: var(--surface);
  font-family: var(--body);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; line-height: 1.7; overflow-x: hidden; }
button, a { font: inherit; }
a { color: inherit; }
button { touch-action: manipulation; }

.skip-link { position: fixed; z-index: 20; top: .75rem; left: .75rem; transform: translateY(-200%); padding: .55rem .8rem; color: #fff; background: var(--ink); text-decoration: none; }
.skip-link:focus-visible { transform: translateY(0); }
:where(a, button):focus-visible { outline: 3px solid #ee9a72; outline-offset: 3px; }

.site-header,
.today,
.demo,
.site-footer { width: min(100% - 2.5rem, 70rem); margin-inline: auto; }

.site-header { display: flex; align-items: center; justify-content: space-between; min-height: 4.8rem; border-bottom: 1px solid var(--line); }
.brand { color: var(--ink); font-family: var(--display); font-size: 1.25rem; font-weight: 700; letter-spacing: -.04em; text-decoration: none; }
.site-header nav,
.site-footer nav { display: flex; align-items: center; gap: 1.15rem; }
.site-header nav a,
.site-footer a { color: var(--ink-soft); font-size: .88rem; font-weight: 700; text-decoration: none; }
.site-header nav a:hover,
.site-footer a:hover { color: var(--turf); }

.button { display: inline-flex; align-items: center; justify-content: center; min-height: 2.7rem; padding: .6rem 1rem; border: 1px solid transparent; border-radius: .3rem; cursor: pointer; font-weight: 800; line-height: 1.2; transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease; }
.button-primary { color: #fff; background: var(--turf); }
.button-primary:hover { background: var(--turf-dark); }
.button-login { min-height: 2.2rem; padding-inline: .8rem; color: var(--turf); background: transparent; border-color: currentColor; }
.button-login:hover { color: #fff; background: var(--turf); }

.today { padding-block: clamp(3rem, 8vw, 6.5rem) clamp(3.5rem, 8vw, 6rem); }
.today-heading { display: flex; align-items: end; justify-content: space-between; gap: 1rem; padding-bottom: 1.3rem; border-bottom: 1px solid var(--ink); }
.today-date,
.section-kicker,
.race-card-label { margin: 0; color: var(--turf); font-size: .73rem; font-weight: 900; letter-spacing: .1em; line-height: 1.4; }
h1,
h2,
h3,
h4 { color: var(--ink); text-wrap: balance; }
h1 { margin: .35rem 0 0; font-family: var(--display); font-size: clamp(2.55rem, 6vw, 4.7rem); font-weight: 600; letter-spacing: -.075em; line-height: .96; }
h2 { margin: .35rem 0 0; font-family: var(--display); font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 600; letter-spacing: -.045em; line-height: 1.15; }
h3 { margin: 0; font-family: var(--display); font-size: clamp(1.45rem, 2.5vw, 2rem); font-weight: 600; letter-spacing: -.04em; }
h4 { margin: 0; font-size: .97rem; }

.race-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin-top: 1px; overflow: hidden; background: var(--line); border: 1px solid var(--line); }
.race-card { display: flex; flex-direction: column; min-height: 16rem; padding: clamp(1.25rem, 3vw, 2rem); background: var(--card); }
.race-card h2 { max-width: 14ch; margin-top: .9rem; }
.race-card p:not(.race-card-label) { max-width: 29rem; margin: .9rem 0 0; color: var(--ink-soft); font-size: .92rem; }
.race-card-pending { background: var(--turf-pale); }
.race-card-demo { background: var(--card); }
.text-link { align-self: start; margin-top: auto; padding-top: 1.6rem; color: var(--turf); font-size: .92rem; font-weight: 900; text-decoration: none; }
.text-link:hover { color: var(--turf-dark); }
.text-link span { display: inline-block; margin-left: .2rem; transition: transform 150ms ease; }
.text-link:hover span { transform: translateX(.2rem); }

.demo { padding-block: clamp(3.5rem, 7vw, 5.5rem); border-top: 1px solid var(--line); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 1rem; }
.status { display: inline-flex; align-items: center; gap: .4rem; color: var(--muted); font-size: .78rem; font-weight: 800; white-space: nowrap; }
.status::before { width: .45rem; height: .45rem; content: ""; background: currentColor; border-radius: 50%; }
.analysis-card { margin-top: 1.5rem; padding: clamp(1.25rem, 3vw, 2.25rem); background: var(--card); border: 1px solid var(--line); }
.analysis-card > p { max-width: 44rem; margin: .8rem 0 0; color: var(--ink-soft); }
.analysis-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; margin-top: 1.5rem; border-top: 1px solid var(--line); }
.analysis-grid section { min-width: 0; padding: 1.15rem 1.15rem 0 0; }
.analysis-grid section + section { padding-right: 0; padding-left: 1.15rem; border-left: 1px solid var(--line); }
.analysis-grid ul { margin: .55rem 0 0; padding-left: 1.15rem; color: var(--ink-soft); font-size: .92rem; }
.analysis-grid li + li { margin-top: .4rem; }
.risk-column h4 { color: var(--risk); }
.analysis-action { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: 1.5rem; padding-top: 1.15rem; border-top: 1px solid var(--line); }
.analysis-action p { margin: 0; color: var(--ink-soft); font-size: .9rem; }

.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 1.5rem 2rem; color: var(--muted); border-top: 1px solid var(--line); font-size: .78rem; }
.site-footer > span { color: var(--ink); font-family: var(--display); font-size: 1rem; font-weight: 700; }

dialog { width: min(29rem, calc(100% - 2rem)); padding: 0; color: var(--ink); background: var(--card); border: 0; box-shadow: 0 1.2rem 4rem rgba(16, 38, 50, .24); }
dialog::backdrop { background: rgba(16, 38, 50, .66); }
dialog form { padding: clamp(1.5rem, 5vw, 2.2rem); }
.dialog-heading { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.dialog-heading h2 { margin: 0; }
.dialog-close { display: grid; place-items: center; width: 2.2rem; aspect-ratio: 1; padding: 0; color: var(--ink); background: transparent; border: 1px solid var(--line); border-radius: 50%; cursor: pointer; font-size: 1.3rem; line-height: 1; }
.dialog-close:hover { color: #fff; background: var(--ink); }
#login-message { color: var(--ink-soft); }
dialog .button { width: 100%; margin-top: .7rem; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

@media (max-width: 42rem) {
  .site-header,
  .today,
  .demo,
  .site-footer { width: min(100% - 2rem, 70rem); }
  .site-header { min-height: 4.25rem; }
  .site-header nav a { display: none; }
  .today { padding-top: 2.6rem; }
  .today-heading { align-items: start; flex-direction: column-reverse; gap: .4rem; }
  .race-list,
  .analysis-grid { grid-template-columns: 1fr; }
  .race-card { min-height: 13.5rem; }
  .analysis-grid section { padding-right: 0; }
  .analysis-grid section + section { padding-left: 0; border-top: 1px solid var(--line); border-left: 0; }
  .section-heading,
  .analysis-action,
  .site-footer { align-items: start; flex-direction: column; gap: 1rem; }
}