.download-heading { max-width: 760px; margin-bottom: 0; }
.download-heading h1 { font-size: clamp(32px, 4vw, 44px); margin-bottom: 16px; }
.download-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.download-card { display: flex; flex-direction: column; min-width: 0; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); padding: 28px; }
.download-icon { width: 32px; height: 32px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.5; margin-bottom: 24px; }
.download-card h2 { font-size: 28px; margin: 0 0 12px; }
.download-system { font-size: 14px; line-height: 1.7; margin: 0; }
.download-hint { font-size: 14px; line-height: 1.7; color: var(--ink-2); margin: 20px 0 28px; }
.download-actions { margin-top: auto; }
.download-actions .btn { width: 100%; justify-content: center; white-space: normal; text-align: center; }
.download-meta { font-size: 13px; line-height: 1.6; text-align: center; color: var(--ink-2); margin: 12px 0 0; }

.download-actions:not(:has(.download-meta))::after { content: ''; display: block; height: calc(12px + 13px * 1.6); }
.download-page a:focus-visible { outline: 2px solid var(--accent-ink); outline-offset: 4px; }
.download-meta a, .download-steps a, .download-footnote a { text-decoration: underline; text-underline-offset: 3px; }
.download-notice { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 24px; align-items: start; border: 1px solid var(--line); border-radius: 12px; background: var(--surface-2); padding: 24px 28px; margin-top: 24px; }
.download-notice h2 { font-family: var(--sans); font-size: 14px; line-height: 1.65; font-weight: 700; letter-spacing: 0; margin: 0; }
.download-notice p { font-size: 14px; line-height: 1.65; color: var(--ink-2); margin: 0; }
.download-start-heading { margin-bottom: 32px; }
.download-start-heading h2 { font-size: 30px; margin-bottom: 0; }
.download-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; list-style: none; padding: 0; margin: 0; }
.download-steps li { min-width: 0; padding-right: 16px; }
.download-step-number { display: grid; place-items: center; width: 32px; height: 32px; background: var(--accent-soft); color: var(--accent-ink); border-radius: 50%; font-size: 14px; font-weight: 700; margin-bottom: 16px; }
.download-steps h3 { font-size: 16px; margin: 0 0 10px; }
.download-steps p { font-size: 14px; line-height: 1.7; color: var(--ink-2); margin: 0; }
.download-footnote { border-top: 1px solid var(--line); padding-top: 24px; margin: 32px 0 0; font-size: 14px; line-height: 1.7; color: var(--ink-2); }
@media (max-width: 960px) {
  .download-grid { grid-template-columns: 1fr; }
  .download-card { padding: 24px; }
  .download-icon { margin-bottom: 16px; }
  .download-hint { margin: 16px 0 24px; }
  .download-actions { max-width: 360px; }
  .download-actions::after { display: none; }
}
@media (max-width: 760px) {
  .download-hero.section { padding: 36px 0 32px; }
  .download-grid { gap: 16px; }
  .download-notice { grid-template-columns: 1fr; gap: 8px; padding: 20px 24px; margin-top: 16px; }
  .download-start.section { padding: 44px 0; }
  .download-start-heading h2 { font-size: 26px; }
  .download-steps { grid-template-columns: 1fr; gap: 28px; }
  .download-steps li { padding-right: 0; }
  .download-step-number { margin-bottom: 12px; }
}