/* Claude / デザイン編集者向け：色・幅・間隔はここで調整できます。 */
:root {
  color-scheme: dark;
  --color-background: #17191c;
  --color-text: #e6e7e9;
  --color-muted: #a1a6ae;
  --color-border: #30343a;
  --color-hover: #202329;
  --color-accent: #adc2d5;
  --content-width: 46rem;
  --page-gutter: 1.5rem;
  --page-top: clamp(3rem, 9vh, 6rem);
  --row-padding-block: 1.75rem;
  --row-padding-inline: 1rem;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 0;
  background: var(--color-background);
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", sans-serif;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

.home {
  width: min(100%, calc(var(--content-width) + var(--page-gutter) * 2));
  margin-inline: auto;
  padding: var(--page-top) var(--page-gutter) 3rem;
}

.home-header {
  padding-inline: var(--row-padding-inline);
  margin-bottom: 2.25rem;
}

h1 {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: 0.015em;
  line-height: 1.3;
}

.resources {
  border-top: 1px solid var(--color-border);
}

.resource {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: var(--row-padding-block) var(--row-padding-inline);
  border-bottom: 1px solid var(--color-border);
  color: inherit;
  text-decoration: none;
}

.resource-content {
  min-width: 0;
}

.resource-title,
.resource-description {
  display: block;
}

.resource-title {
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.5;
}

.resource-description {
  margin-top: 0.4rem;
  color: var(--color-muted);
  font-size: 0.875rem;
  overflow-wrap: anywhere;
}

.resource-arrow {
  flex: 0 0 auto;
  color: var(--color-accent);
  font-size: 1.25rem;
}

.resource:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  background: var(--color-hover);
}

@media (hover: hover) {
  .resource:hover {
    background: var(--color-hover);
  }
}

@media (max-width: 30rem) {
  :root {
    --page-gutter: 1rem;
    --row-padding-inline: 0.75rem;
    --row-padding-block: 1.5rem;
  }

  h1 {
    font-size: 1.5rem;
  }

  .resource-title {
    font-size: 1.125rem;
  }
}