/* ドローン：機器の種類から表示位置を確認。 */
.drone-finder { max-width: 1060px; margin: 0 auto; color: #1f2937; font-size: 16px; line-height: 1.95; }
.drone-finder a { color: #145da6; text-underline-offset: 4px; }
.drone-finder :is(a,summary):focus-visible { outline: 3px solid #d61439; outline-offset: 5px; }
.drone-finder :is(section,details) { scroll-margin-top: 90px; }
.df-hero { display: grid; grid-template-columns: 1.1fr 1fr; gap: 24px; align-items: center; padding: 44px 40px 70px; background: #edf6fc; border-top: 5px solid #1867c0; }
.df-kicker { font-weight: 700; color: #145da6; margin-bottom: 12px; font-size: 14px; }
.df-hero h1 { font-size: clamp(28px,3.4vw,40px); line-height: 1.5; font-weight: 900; letter-spacing: -.025em; }
.df-hero .df-lead { font-size: 19px; font-weight: 700; margin: 22px 0 14px; }
.df-hero img { width: 100%; height: auto; border-radius: 12px; }
.df-start { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; max-width: 840px; margin: -32px auto 0; padding: 0 24px; position: relative; }
.df-start a { background: #fff; border: 2px solid #1867c0; border-radius: 10px; box-shadow: 0 6px 0 #dcebf7; padding: 22px 24px; text-decoration: none; display: grid; gap: 10px; }
.df-start a:first-child { background: #fffde8; }
.df-start a:hover { border-color: #103f76; transform: translateY(-2px); }
.df-route-tag { font-size: 14px; font-weight: 700; }
.df-start strong { font-size: 25px; line-height: 1.55; color: #173b63; }
.df-start a > span:last-child { font-size: 13px; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.df-start b { font-size: 24px; }
.df-content { max-width: 800px; margin: auto; padding: 24px 28px 0; }
.df-section { margin: 56px 0; }
.drone-finder h2 { font-size: 28px; line-height: 1.55; font-weight: 900; margin-bottom: 18px; }
.drone-finder h3 { font-size: 18px; line-height: 1.65; margin-bottom: 10px; }
.df-makers { margin: 24px 0; border-top: 3px solid #1867c0; }
.drone-finder details { border-bottom: 1px solid #cbd7e3; }
.drone-finder summary { cursor: pointer; padding: 21px 38px 21px 16px; font-size: 18px; font-weight: 700; position: relative; list-style: none; }
.drone-finder summary::-webkit-details-marker { display: none; }
.drone-finder summary::after { content: '+'; font-size: 25px; color: #1867c0; position: absolute; right: 12px; top: 15px; }
.drone-finder details[open] > summary::after { content: '−'; }
.drone-finder summary:hover,.drone-finder details[open] { background: #f4f9fd; }
.df-answer { padding: 0 20px 25px; }
.df-answer p + p { margin-top: 14px; }
.df-steps { padding-left: 25px; margin: 0 0 18px; }
.df-steps li { padding: 5px 0 5px 5px; font-weight: 700; }
.df-sources { display: grid; gap: 10px; margin-top: 20px; }
.df-sources a { font-size: 14px; overflow-wrap: anywhere; }
.df-sources span { display: inline-block; color: #566476; margin-left: 10px; font-size: 12px; }
.df-figure { margin: 28px 0; background: #fff; }
.df-figure img { display: block; width: 100%; height: auto; border-radius: 8px; }
.df-figure figcaption { color: #536272; font-size: 13px; padding: 12px 4px 0; line-height: 1.8; }
.df-inline { font-weight: 700; }
.df-note { background: #f5f7f9; border-left: 3px solid #1867c0; padding: 18px 20px; font-size: 15px; }
.df-offline-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.df-offline-grid > div { border-top: 3px solid #ffe400; padding-top: 16px; }
.df-answer ul { padding-left: 22px; }
.df-answer ul li { margin-bottom: 12px; }
.df-identifiers { margin: 24px 0; }
.df-identifiers > div { display: grid; grid-template-columns: 210px 1fr; border-bottom: 1px solid #d6e1ea; padding: 17px 0; gap: 20px; }
.df-identifiers dt { font-weight: 700; color: #145da6; }
.df-identifiers dd { margin: 0; }
.df-compare { margin: 24px 0; padding-left: 24px; }
.df-compare li { padding: 7px 0; }
.df-search-box { margin-top: 28px; background: #edf6fc; border-radius: 10px; padding: 30px; }
.drone-finder .df-primary { display: inline-flex; justify-content: space-between; gap: 24px; padding: 16px 24px; border-radius: 6px; background: #ffe400; color: #332f00; font-weight: 900; text-decoration: none; margin: 12px 0 20px; }
.df-primary:hover { background: #fff063; }
.df-related { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-bottom: 18px; }
.df-search-box p { font-size: 14px; }
.df-faq summary { font-size: 16px; }
.df-next { border-top: 3px solid #1867c0; display: grid; padding-top: 20px; gap: 12px; font-size: 14px; }
.df-review { font-size: 13px; color: #536272; margin: 28px 0 48px; }
@media(max-width:700px) {
  .df-hero { grid-template-columns: 1fr; padding: 30px 24px 54px; gap: 20px; }
  .df-hero img { max-width: 300px; margin: auto; }
  .df-hero .df-lead { font-size: 17px; }
  .df-start { gap: 12px; padding: 0 16px; }
  .df-start a { padding: 15px 13px; }
  .df-start strong { font-size: 20px; }
  .df-route-tag { font-size: 12px; }
  .df-start a > span:last-child { font-size: 12px; }
  .df-content { padding: 24px 20px 0; }
  .drone-finder h2 { font-size: 24px; }
  .df-section { margin: 42px 0; }
  .drone-finder summary { font-size: 17px; padding-left: 10px; }
  .df-answer { padding: 0 12px 24px; }
  .df-offline-grid { grid-template-columns: 1fr; gap: 22px; }
  .df-identifiers > div { grid-template-columns: 1fr; gap: 5px; }
  .df-search-box { padding: 22px 18px; }
  .drone-finder .df-primary { padding: 16px; gap: 12px; font-size: 15px; }
}
@media(prefers-reduced-motion:reduce) { html { scroll-behavior: auto; } }

.df-screen-block { border-top: 3px solid #ffe400; padding: 24px 0; scroll-margin-top: 90px; }
.df-screen-block h3 { font-size: 23px; color: #145da6; }
.df-maker-heading { margin-top: 36px; }
.df-offline-grid { margin-bottom: 26px; }
.df-start a > span:last-child,.df-figure figcaption,.df-review { font-size: 14px; }
@media(max-width:700px) { .df-route-tag { font-size: 13px; } .df-start a > span:last-child { font-size: 13px; } .df-hero h1 { font-size: 28px; } }

/* 機器別に探す入口。 */
.df-hero { padding-bottom: 36px; }
.df-hero h1 { font-size: clamp(26px,3vw,36px); }
.df-routes { max-width: 920px; margin: 0 auto; padding: 28px 24px 0; display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px; }
.df-routes a { border:2px solid #1867c0; border-radius:8px; padding:18px 20px; text-decoration:none; background:#fff; }
.df-routes a:hover { background:#edf6fc; }
.df-routes strong { display:block; font-size:20px; line-height:1.6; }
.df-routes span { display:flex; justify-content:space-between; gap:8px; font-size:14px; margin-top:7px; }
.df-routes a:nth-child(3) { background:#fffde8; }
@media(max-width:700px) { .df-hero { padding-bottom:28px; } .df-hero h1 { font-size:26px; } .df-routes { grid-template-columns:1fr; padding:20px 20px 0; gap:10px; } .df-routes a { padding:13px 16px; } .df-routes strong { font-size:18px; } }