/* 03 適用領域。WhiteにNavyの核とGoldの選択を置き、全体と各領域の関係を見せる。 */
.toc-applications { position: relative; color: var(--world-navy); }
.toc-applications__legacy { position: absolute; top: 0; left: 0; width: 1px; height: 1px; scroll-margin-top: calc(var(--gs-header-height, 76px) + 24px); }
.toc-applications__head { max-width: 1100px; margin: 0 auto; text-align: center; }
.toc-applications__head h2 { margin: 0; font-feature-settings: "palt"; line-break: strict; }
.toc-applications__phrase { display: inline-block; white-space: nowrap; }
.toc-applications__lead { display: block; margin-bottom: 12px; font-size: clamp(19px, 2.1vw, 28px); font-weight: 700; line-height: 1.65; }
.toc-applications__statement { display: block; line-height: 1.55; }
.toc-applications__intro { max-width: 48em; margin: 30px auto 0; font-size: 16px; line-height: 2; text-align: justify; text-align-last: start; text-justify: inter-character; line-break: strict; text-wrap: pretty; }
.toc-applications__intro .toc-applications__phrase { display: inline; }
/* 円形図の表示面積は旧1040×880比で約70%（870×736）。文字サイズは変更しない。 */
.toc-applications__diagram { max-width: 870px; margin: 40px auto 0; }
.toc-applications__connections { display: none; }
.toc-applications__areas { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; list-style: none; margin: 0; padding: 0; }
.toc-applications__button { display: flex; align-items: center; justify-content: space-between; gap: 10px; width: 100%; min-height: 60px; padding: 16px 18px; border: 0; border-bottom: 2px solid var(--world-navy); border-radius: 0; background: var(--color-white); color: var(--world-navy); font: inherit; font-size: 17px; font-weight: 700; line-height: 1.5; text-align: left; cursor: pointer; transition: border-color .18s ease, background-color .18s ease, color .18s ease; }
.toc-applications__button > span { display: grid; place-items: center; flex: none; width: 24px; height: 24px; border: 1px solid var(--world-gold); border-radius: 50%; color: #78623A; font-size: 17px; font-weight: 400; line-height: 1; }
.toc-applications__button:disabled { cursor: default; opacity: 1; }
.toc-applications__button[aria-expanded="true"] { border-color: var(--world-gold); background: var(--world-navy); color: var(--color-white); }
.toc-applications__button[aria-expanded="true"] > span { background: var(--world-gold); color: var(--world-navy); font-size: 0; }
.toc-applications__button[aria-expanded="true"] > span::after { content: "●"; font-size: 8px; }
.toc-applications__button:focus-visible { outline: 3px solid var(--world-gold); outline-offset: 5px; }
.toc-applications__hub { margin-top: 30px; }
.toc-applications__core { display: flex; flex-direction: column; align-items: center; gap: 8px; margin: 0 0 26px; color: var(--world-navy); text-align: center; }
.toc-applications__core > span:first-child { font-size: 52px; font-weight: 700; line-height: 1.1; letter-spacing: .02em; }
.toc-applications__core > span:last-child { font-size: 14px; font-weight: 700; letter-spacing: .14em; }
.toc-applications__overview { padding: 30px; text-align: center; }
.toc-applications__overview > p:first-child { margin: 0; font-size: 23px; font-weight: 700; line-height: 1.8; }
.toc-applications__hint { margin: 22px 0 0; color: var(--color-muted); font-size: 13px; line-height: 1.9; }
.toc-applications__panel { margin-top: 24px; padding: 28px; border-top: 1px solid var(--color-border); }
.toc-applications__panel[hidden], .toc-applications__overview[hidden] { display: none; }
.toc-applications__area { margin: 0; color: #78623A; font-size: 32px; font-weight: var(--heading-h3-weight); line-height: 1.5; text-align: center; font-feature-settings: "palt"; line-break: strict; }
.toc-applications__claim { margin: 16px 0 0; font-size: 20px; font-weight: 700; line-height: 1.65; text-align: center; font-feature-settings: "palt"; line-break: strict; }
.toc-applications__problem { margin: 20px 0 0; color: var(--color-body); font-size: 14px; line-height: 1.85; line-break: strict; text-wrap: pretty; }
.toc-applications__detail { margin: 12px 0 0; color: var(--color-body); font-size: 14px; line-height: 1.95; line-break: strict; text-wrap: pretty; }
.toc-applications.is-ready .toc-applications__hub { height: 360px; padding: 28px 32px; border: 0; border-top: 3px solid var(--world-gold); border-radius: 16px; background: var(--world-navy); color: var(--color-white); }
.toc-applications.is-ready .toc-applications__core { flex-direction: row; align-items: baseline; justify-content: center; gap: 14px; margin-bottom: 22px; color: var(--color-white); }
.toc-applications.is-ready .toc-applications__core > span:first-child { font-size: 42px; }
.toc-applications.is-ready .toc-applications__core > span:last-child { color: var(--world-gold); line-height: 1.5; }
.toc-applications.is-ready.has-selection .toc-applications__core { display: none; }
.toc-applications.is-ready .toc-applications__area { color: var(--world-gold); }
.toc-applications.is-ready .toc-applications__problem { padding-top: 16px; border-top: 1px solid rgba(255, 255, 255, .18); color: rgba(255, 255, 255, .82); }
.toc-applications.is-ready .toc-applications__detail { color: rgba(255, 255, 255, .9); }
.toc-applications.is-ready .toc-applications__hint { color: rgba(255, 255, 255, .72); }
.toc-applications.is-ready .toc-applications__panel { margin: 0; padding: 0; border: 0; }
.toc-applications.is-ready .toc-applications__overview { padding: 14px 0 0; }
.toc-applications.is-ready:not(.has-selection) .toc-applications__hub { display: flex; flex-direction: column; justify-content: center; }
.toc-applications.is-ready:not(.has-selection) .toc-applications__core { flex-direction: column; align-items: center; gap: 10px; margin-bottom: 20px; }
.toc-applications.is-ready:not(.has-selection) .toc-applications__core > span:first-child { font-size: 64px; }
@media (min-width: 1000px) {
  .toc-applications.is-ready .toc-applications__diagram { position: relative; aspect-ratio: 1040 / 880; }
  .toc-applications.is-ready .toc-applications__connections { display: block; position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
  .toc-applications__connections ellipse { fill: none; stroke: var(--world-gold); stroke-width: 1; opacity: .35; }
  .toc-applications__connections line { stroke: var(--world-navy); stroke-width: 1; opacity: .16; transition: stroke .18s ease, stroke-width .18s ease, opacity .18s ease; }
  .toc-applications__connections line.is-active { stroke: var(--world-gold); stroke-width: 2.5; opacity: 1; }
  .toc-applications.is-ready .toc-applications__areas { position: absolute; inset: 0; display: block; }
  .toc-applications.is-ready .toc-applications__areas li { position: absolute; left: var(--area-x); top: var(--area-y); width: 192px; transform: translate(-50%, -50%); }
  .toc-applications.is-ready .toc-applications__button { justify-content: space-between; gap: 10px; padding: 16px 15px; text-align: left; font-size: 16px; min-height: 64px; white-space: nowrap; }
  .toc-applications.is-ready .toc-applications__hub { position: absolute; top: 50%; left: 50%; width: 370px; height: 460px; margin: 0; padding: 20px 22px; transform: translate(-50%, -50%); }
}
@media (max-width: 600px) {
  .toc-applications__lead { margin-bottom: 12px; font-size: 19px; line-height: 1.7; }
  .toc-applications__statement { line-height: 1.65; }
  .toc-applications__intro { margin-top: 24px; font-size: 15px; line-height: 1.95; }
  .toc-applications__diagram { margin-top: 28px; }
  .toc-applications__areas { gap: 8px 12px; }
  .toc-applications__button { padding: 13px 8px; font-size: 13px; gap: 5px; min-height: 54px; }
  .toc-applications__button > span { width: 20px; height: 20px; font-size: 15px; }
  .toc-applications.is-ready .toc-applications__hub { height: 410px; padding: 24px; margin-top: 24px; }
  .toc-applications.is-ready .toc-applications__core > span:first-child { font-size: 36px; }
  .toc-applications.is-ready:not(.has-selection) .toc-applications__core > span:first-child { font-size: 58px; }
  .toc-applications__area { font-size: 26px; }
  .toc-applications__problem, .toc-applications__detail { font-size: 14px; }
}
@media (max-width: 480px) {
  .toc-applications.is-ready .toc-applications__hub { height: 520px; }
}
@media (max-width: 359px) {
  .toc-applications.is-ready .toc-applications__hub { height: 560px; }
}
@media (prefers-reduced-motion: reduce) {
  .toc-applications__button, .toc-applications__connections line { transition: none; }
}