.plan-index { padding-top: 170px; }
.plan-index .breadcrumb, .plan-heading .breadcrumb { color: var(--muted); flex-wrap: wrap; }
.plan-index .breadcrumb a:hover, .plan-heading .breadcrumb a:hover { color: var(--pine-700); text-decoration: underline; }
.plan-index-intro { max-width: 850px; margin: 45px 0 55px; }
.plan-index h1 { font: 500 clamp(34px,4.4vw,60px)/1.35 var(--font-serif); margin-bottom: 24px; }
.plan-index-intro > p { font-size: 19px; color: var(--muted); max-width: 720px; }
.plan-card-copy .plan-card-intent { padding-top: 18px; border-top: 1px solid var(--line); color: var(--pine-800); }
.plan-card-intent strong { display: block; margin-bottom: 7px; color: var(--muted); font-size: 12px; font-weight: 500; letter-spacing: .12em; }
.plan-heading { padding: 145px 0 56px; }
.plan-heading-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; margin-top: 36px; }
.plan-heading h1 { font: 500 clamp(32px,3.5vw,48px)/1.4 var(--font-serif); margin: 0 0 24px; }
.plan-deck { font-size: 18px; color: var(--muted); margin-bottom: 30px; }
.plan-cover { margin: 0; min-width: 0; }
.plan-cover img { height: auto; object-fit: contain; background: white; border: 1px solid var(--line); border-radius: var(--radius-md); }
.plan-cover figcaption { margin-top: 12px; color: var(--muted); font-size: 13px; }
.plan-reading { max-width: 1050px; padding-bottom: 85px; }
.plan-context { margin: 36px 0; padding: 20px 24px; border-left: 3px solid var(--gold); background: var(--rice); color: var(--muted); font-size: 14px; }
.plan-context p { margin: 0; }
.plan-stats { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 36px 0; }
.plan-stats > div { padding: 26px 22px; }
.plan-stats > div + div { border-left: 1px solid var(--line); }
.plan-stats dt { color: var(--muted); font-size: 14px; }
.plan-stats dd { margin: 8px 0 0; font: 500 42px/1.3 var(--font-serif); color: var(--pine-700); }
.plan-stats dd span { margin-left: 8px; font: 14px var(--font-sans); }
.plan-jump { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 45px; }
.plan-jump a { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 18px; background: var(--pine-100); color: var(--pine-800); border-radius: 999px; font-size: 14px; }
.plan-jump a:hover { background: var(--pine-700); color: white; }
.plan-section { padding: 38px 0 46px; scroll-margin-top: 105px; border-bottom: 1px solid var(--line); }
.plan-section h2 { font: 500 clamp(27px,3vw,38px)/1.45 var(--font-serif); margin: 0 0 20px; }
.plan-section .lead { font-size: 19px; }
.plan-section > p { max-width: 900px; line-height: 2; }
.plan-ideas { display: grid; grid-template-columns: repeat(auto-fit,minmax(min(100%,250px),1fr)); gap: 25px; margin: 32px 0; }
.plan-ideas article { padding: 25px; background: var(--rice); border-radius: var(--radius-sm); }
.plan-ideas h3 { font: 500 22px/1.5 var(--font-serif); margin-bottom: 12px; }
.plan-ideas p { margin: 0; color: var(--muted); font-size: 15px; }
.plan-principles { list-style: none; counter-reset: principle; padding: 0; margin: 30px 0 0; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 30px 38px; }
.plan-principles li { counter-increment: principle; position: relative; min-width: 0; padding: 23px 0 0 44px; border-top: 1px solid var(--line); }
.plan-principles li::before { content: counter(principle, decimal-leading-zero); position: absolute; top: 23px; left: 0; color: var(--gold); font: 500 21px/1.5 var(--font-serif); }
.plan-principles h3 { font: 500 22px/1.5 var(--font-serif); margin: 0 0 12px; }
.plan-principles p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.95; }
.plan-figures { margin-top: 32px; }
.plan-figures-pair { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 28px; }
.plan-figure { margin: 0 0 20px; min-width: 0; }
.plan-figure button { width: 100%; display: block; padding: 0; background: white; border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; cursor: zoom-in; }
.plan-figure img { width: 100%; height: auto; object-fit: contain; }
.plan-expand { display: block; padding: 8px 16px; background: var(--rice); color: var(--pine-800); text-align: right; font-size: 13px; }
.plan-figure figcaption { padding: 18px 4px 0; }
.plan-figure h3 { font: 500 23px/1.5 var(--font-serif); margin-bottom: 9px; }
.plan-figure p { color: var(--muted); font-size: 14px; margin: 0; }
.plan-source { margin-top: 35px; }
.plan-source > p, .plan-public-note { color: var(--muted); font-size: 13px; }
.plan-return { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; padding-top: 20px; }
@media (max-width: 800px) {
  .plan-heading-grid { grid-template-columns: 1fr; gap: 30px; }
  .plan-heading { padding: 114px 0 35px; }
  .plan-index { padding-top: 115px; }
  .plan-index-intro { margin: 28px 0 34px; }
  .plan-figures-pair { grid-template-columns: 1fr; }
  .plan-principles { grid-template-columns: 1fr; gap: 24px; }
  .plan-section { padding: 25px 0 35px; }
  .plan-stats > div { padding: 20px 10px; }
  .plan-stats dd { font-size: 33px; }
  .plan-stats dd span { display: block; margin: 3px 0 0; }
}