.flow-hero { padding: 56px 0; background: var(--drone-mist); }
/* 見出しの大きさは、ほかのページの .page-hero h1 と同じにする */
.flow-hero h1 { max-width: none; margin: 0; color: var(--drone-navy); font-size: clamp(2.1rem, 3.4vw, 3rem); line-height: 1.38; }
.flow-hero__lead { max-width: 780px; margin: 1.2rem 0 0; }
.flow-jump { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.6rem; }
.flow-jump a { display: inline-flex; align-items: center; min-height: 46px; padding: .55rem 1rem; border: 1px solid var(--drone-line); border-radius: 4px; color: var(--drone-navy); background: #fff; font-size: .88rem; font-weight: 700; text-decoration: none; }
.flow-jump a:hover { border-color: var(--drone-teal); color: var(--drone-teal); }

.flow-map { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin-top: 2.4rem; border: 1px solid var(--drone-line); background: #fff; }
.flow-map a { position: relative; display: block; min-height: 205px; padding: 1.3rem; color: var(--drone-ink); text-decoration: none; }
.flow-map a + a { border-left: 1px solid var(--drone-line); }
.flow-map a:hover { background: var(--drone-mist); }
.flow-map__number { display: block; color: var(--drone-amber); font-size: .78rem; font-weight: 700; letter-spacing: .1em; }
.flow-map strong { display: block; margin-top: .65rem; color: var(--drone-navy); font-size: 1.1rem; line-height: 1.55; }
.flow-map small { display: block; margin-top: .5rem; color: #647378; font-size: .78rem; line-height: 1.6; }

.flow-step { padding: 82px 0; border-top: 1px solid var(--drone-line); }
.flow-step:nth-of-type(even) { background: var(--drone-mist); }
.step-heading { display: grid; grid-template-columns: auto 1fr; gap: 1.1rem; align-items: start; }
.step-number { display: grid; width: 58px; height: 58px; place-items: center; color: #fff; background: var(--drone-teal); font-size: .9rem; font-weight: 700; letter-spacing: .08em; }
.step-heading h2 { margin: 0; color: var(--drone-navy); font-size: clamp(1.55rem, 3vw, 2.15rem); line-height: 1.5; }
.step-heading p { margin: .35rem 0 0; }
.step-body { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(270px, .6fr); gap: 2.3rem; margin-top: 2rem; }
.step-info { margin: 0; border-top: 1px solid var(--drone-line); }
.step-info div { display: grid; grid-template-columns: 9.4rem 1fr; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--drone-line); }
.step-info dt { color: var(--drone-navy); font-size: .85rem; font-weight: 700; }
.step-info dd { margin: 0; }
.step-info ul, .step-info ol { margin: 0; padding-left: 1.2rem; }
.step-info li + li { margin-top: .35rem; }
.step-action { align-self: start; padding: 1.5rem; border-top: 4px solid var(--drone-amber); background: #fff; box-shadow: var(--drone-shadow); }
.step-action h3 { margin: 0; color: var(--drone-navy); font-size: 1.12rem; }
.step-action p { margin: .65rem 0 0; }
.step-action .button { width: 100%; margin-top: 1.1rem; }
.step-action small { display: block; margin-top: .8rem; color: #647378; font-size: .75rem; line-height: 1.6; }
.subprocess { margin-top: 1.4rem; padding: 1.3rem; border-left: 3px solid var(--drone-teal); background: #fff; }
.subprocess h3 { margin: 0; color: var(--drone-navy); font-size: 1.1rem; }
.subprocess ol { margin: .8rem 0 0; padding-left: 1.2rem; }
.subprocess li + li { margin-top: .45rem; }

.flow-print { margin-top: 1.8rem; padding: 1.25rem; border: 1px solid var(--drone-line); background: #fff; }
.flow-print h2 { margin: 0; color: var(--drone-navy); font-size: 1.22rem; }
.flow-print p { margin: .55rem 0 0; }
.official-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-top: 1.6rem; }
.official-link { padding: 1.2rem; border: 1px solid var(--drone-line); background: #fff; }
.official-link h3 { margin: 0; color: var(--drone-navy); font-size: 1.05rem; }
.official-link p { margin: .55rem 0; }
/* 1枚の案内（PDF） */
.flow-pdf { display: grid; grid-template-columns: minmax(0, 1fr) 200px; gap: 2rem; align-items: center; margin-bottom: 2.4rem; padding: 1.8rem; border: 1px solid var(--drone-line); border-radius: 6px; background: #fff; }
.flow-pdf h2 { margin: 0; color: var(--drone-navy); font-size: 1.3rem; line-height: 1.5; }
.flow-pdf p:not(.eyebrow) { margin: .6rem 0 1.2rem; }
.flow-pdf__thumb img { display: block; width: 100%; height: auto; border: 1px solid var(--drone-line); box-shadow: var(--drone-shadow); }
.last-updated { margin-top: 1.5rem; color: #637277; font-size: .8rem; }

@media (max-width: 800px) {
  .flow-hero { padding: 40px 0; }
  .flow-hero h1 { font-size: clamp(1.82rem, 7.5vw, 2.25rem); }
  .flow-map { grid-template-columns: 1fr; }
  .flow-map a + a { border-top: 1px solid var(--drone-line); border-left: 0; }
  .flow-map a { min-height: auto; }
  .flow-step { padding: 50px 0; }
  .step-body { grid-template-columns: 1fr; gap: 1.2rem; }
  .step-info div { grid-template-columns: 1fr; gap: .25rem; }
  .official-links { grid-template-columns: 1fr; }
  .flow-pdf { grid-template-columns: 1fr; }
  .flow-pdf__thumb { max-width: 180px; }
}

@media (min-width: 600px) {
  .flow-hero h1 { white-space: nowrap; }
}

@media print {
  .flow-map { grid-template-columns: 1fr 1fr; }
  .flow-map a:nth-child(3) { border-left: 0; }
  .flow-map a:nth-child(n+3) { border-top: 1px solid var(--drone-line); }
  .flow-step { padding: 12mm 0; }
  .step-body { grid-template-columns: 1fr; gap: .7rem; }
  .step-action { box-shadow: none; }
}