:root {
  color-scheme: dark;
  --ink: #080416;
  --ivory: #fff8ed;
  --paper: #f4efe6;
  --paper-ink: #1c1823;
  --lavender: #c7a3ee;
  --gold: #efdca3;
  --line-dark: rgb(28 24 35 / 16%);
  --sans: "Yu Gothic", "Hiragino Kaku Gothic ProN", "BIZ UDPGothic", system-ui, sans-serif;
  --page-pad: clamp(1.25rem, 4.2vw, 4.75rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--ink);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ivory);
  background: var(--ink);
  font-family: var(--sans);
  font-feature-settings: "palt" 1;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

dl,
dd {
  margin: 0;
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 5px;
}

::selection {
  color: var(--ink);
  background: var(--lavender);
}

.skip-link {
  position: fixed;
  z-index: 200;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.8rem 1rem;
  color: var(--ink);
  background: var(--ivory);
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

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

.advertiser-page {
  min-height: 100svh;
  color-scheme: light;
  color: var(--paper-ink);
  background: var(--paper);
}

.advertiser-main {
  display: flex;
  min-height: 100svh;
  align-items: flex-start;
  padding: clamp(1.25rem, 4vw, 2.5rem) var(--page-pad);
}

.advertiser-card {
  width: min(38rem, 100%);
  margin-inline: auto;
}

.advertiser-card h1 {
  margin: 0 0 0.9rem;
  font-family: var(--sans);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.4;
}

.advertiser-details {
  border-top: 1px solid var(--line-dark);
}

.advertiser-details > div {
  display: grid;
  grid-template-columns: 6.5rem minmax(0, 1fr);
  gap: 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line-dark);
}

.advertiser-details dt {
  color: #6c646d;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  line-height: 1.6;
}

.advertiser-details dd {
  overflow-wrap: anywhere;
  font-family: var(--sans);
  font-size: 0.8125rem;
  line-height: 1.65;
}

@media (max-width: 700px) {
  :root {
    --page-pad: clamp(1.1rem, 5.2vw, 1.5rem);
  }

  .advertiser-main {
    padding: 1.25rem var(--page-pad);
  }

  .advertiser-details > div {
    grid-template-columns: 5rem minmax(0, 1fr);
    gap: 0.75rem;
    padding-block: 0.625rem;
  }

  .advertiser-card h1 {
    margin-bottom: 0.75rem;
    font-size: 1.125rem;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  :root {
    color-scheme: light;
  }

  .advertiser-page {
    color: #000;
    background: #fff;
  }

  .advertiser-main {
    min-height: 0;
    padding: 2cm 1.5cm;
  }

  .advertiser-details {
    break-inside: avoid;
  }
}