/* FDE説明ページと、トップの伴走支援カードへの導線。 */
.plan .plan__fde-link { margin-top: 12px; padding: 11px 18px; min-height: 44px; font-size: 12px; }
.plans--fde-featured { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 18px; align-items: stretch; }
.plans--fde-featured > .plan--fde { grid-column: 1; grid-row: 1 / span 3; padding: 32px 28px; border-color: #087f9155; border-top: 3px solid var(--accent-ink); border-radius: 3px 26px 3px 26px; background: linear-gradient(145deg, #effafc, var(--bg)); }
.plans--fde-featured > .plan:not(.plan--fde) { grid-column: 2; }
.plan--fde .plan__eyebrow { color: var(--accent-ink); font-size: 11px; line-height: 1.9; letter-spacing: .08em; }
.plan--fde .plan__name { font-size: 21px; }
.plan--fde .plan__catch { margin: 8px 0 6px; font-family: var(--serif); font-size: clamp(22px, 1.9vw, 28px); line-height: 1.8; letter-spacing: .04em; color: var(--accent-ink); }
.plan--fde .plan__catch .phrase { display: inline-block; }
.plan--fde .plan__fde-benefits { display: grid; gap: 10px; margin: 10px 0 18px; padding: 20px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); list-style: none; }
.plan--fde .plan__fde-benefits li { position: relative; padding-left: 16px; font-size: 13px; line-height: 1.9; color: var(--text-soft); }
.plan--fde .plan__fde-benefits li::before { content: ''; position: absolute; top: .78em; left: 0; width: 5px; height: 5px; border: 1px solid var(--accent-ink); border-radius: 50%; }
.plan--fde .plan__price { margin-top: auto; }
.plan--fde .plan__fde-link { align-self: flex-start; font-size: 13px; padding: 14px 18px; gap: 12px; }
.page-fde { background: var(--bg); }
.page-fde .phrase { display: inline-block; }
.page-fde main { background: radial-gradient(ellipse at 96% 4%, #15b0c70c, transparent 43%); }
.fde-hero { padding-top: 170px; padding-bottom: 80px; }
.fde-breadcrumb { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 44px; font-size: 11px; color: var(--text-mute); }
.fde-breadcrumb a { text-decoration: none; }
.fde-breadcrumb a:hover { color: var(--accent-ink); }
.fde-hero__grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 52px; align-items: center; }
.fde-eyebrow { margin-bottom: 20px; color: var(--accent-ink); font-size: 11px; line-height: 1.9; letter-spacing: .15em; }
.fde-hero h1 { font-size: clamp(28px, 3.3vw, 44px); line-height: 1.65; letter-spacing: .06em; }
.fde-hero__lead { max-width: 540px; margin-top: 28px; color: var(--text-soft); font-size: 15px; line-height: 2.2; }
.fde-hero__purpose { margin-top: 18px; color: var(--accent-ink); font-size: 13px; line-height: 1.9; }
.fde-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 30px; }
.fde-actions .btn-outline { margin-top: 0; }
.fde-actions .btn-primary, .fde-actions .btn-outline { min-height: 48px; }
.fde-hero__more { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; color: var(--accent-ink); font-size: 12px; text-decoration: none; }
.fde-bridge { margin: 0; padding: 28px 24px; border: 1px solid var(--line); border-radius: 4px 32px 4px 32px; background: radial-gradient(ellipse at 50% 40%, #15b0c711, transparent 68%); }
.fde-bridge__intro { text-align: center; color: var(--text-mute); font-size: 11px; letter-spacing: .1em; }
.fde-bridge__flow { display: grid; grid-template-columns: minmax(0, 1fr) 28px 84px 28px minmax(0, 1fr); align-items: center; gap: 8px; padding: 38px 0 30px; }
.fde-bridge__node { min-width: 0; text-align: center; color: var(--accent-ink); }
.fde-bridge__node > svg { display: block; width: 44px; height: 44px; margin: 0 auto 12px; }
.fde-bridge__node p { font-size: 12px; line-height: 1.6; color: var(--text); }
.fde-bridge__core { display: grid; place-items: center; width: 84px; height: 84px; margin: auto; border: 1px solid #087f914a; outline: 1px solid #087f911a; outline-offset: 8px; border-radius: 50%; font-family: var(--serif); font-size: 27px; }
.fde-bridge__center p { margin-top: 18px; font-size: 10px; color: var(--text-mute); }
.fde-bridge__connector { position: relative; margin-top: -24px; height: 1px; background: #087f9150; }
.fde-bridge__connector::after { content: ''; position: absolute; width: 6px; height: 6px; right: 0; top: -3px; border-top: 1px solid var(--accent-ink); border-right: 1px solid var(--accent-ink); transform: rotate(45deg); }
.fde-bridge__signal { position: absolute; width: 5px; height: 5px; top: -2px; left: 0; border-radius: 50%; background: var(--brand); opacity: 0; }
.fde-bridge figcaption { padding-top: 18px; border-top: 1px solid var(--line); text-align: center; color: var(--text-soft); font-size: 12px; line-height: 1.9; }
.fde-bridge__loop { display: block; margin-bottom: 6px; color: var(--accent-ink); font-size: 19px; }
.fde-section { padding-top: 88px; scroll-margin-top: 110px; }
.fde-section__inner { max-width: 920px; margin: auto; }
.fde-section h2 { font-size: clamp(24px, 3vw, 32px); line-height: 1.7; letter-spacing: .06em; }
.fde-section__lead { max-width: 760px; margin-top: 22px; font-size: 15px; line-height: 2.15; color: var(--text-soft); }
.fde-definition { margin-top: 28px; padding: 34px 38px; border-left: 2px solid var(--brand); background: #15b0c707; }
.fde-definition__name { font-family: var(--serif); font-size: clamp(20px, 2.8vw, 28px); letter-spacing: .03em; }
.fde-definition__reading { margin-top: 6px; font-size: 12px; color: var(--text-mute); }
.fde-definition p:not([class]) { margin-top: 22px; font-size: 15px; line-height: 2.15; color: var(--text-soft); }
.fde-source { margin-top: 20px; font-size: 11px; line-height: 1.8; color: var(--text-mute); }
.fde-source a { text-underline-offset: 4px; }
.fde-role-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-top: 34px; }
.fde-role { border-top: 1px solid var(--line); padding-top: 22px; }
.fde-role__number { display: block; margin-bottom: 16px; color: var(--accent-ink); font-family: var(--serif); font-size: 13px; letter-spacing: .1em; }
.fde-role h3 { font-size: 20px; line-height: 1.6; }
.fde-role p { margin-top: 16px; font-size: 13.5px; line-height: 2; color: var(--text-soft); }
.fde-workshare { margin-top: 34px; padding: 28px 30px; border: 1px solid var(--line); background: #15b0c707; }
.fde-workshare h3 { font-size: 18px; line-height: 1.8; }
.fde-workshare__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px; margin-top: 20px; }
.fde-workshare__grid > div + div { padding-left: 30px; border-left: 1px solid var(--line); }
.fde-workshare dt { color: var(--accent-ink); font-size: 13px; font-weight: 700; line-height: 1.8; }
.fde-workshare dd { margin: 10px 0 0; color: var(--text-soft); font-size: 13.5px; line-height: 2; }
.fde-process { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; margin: 34px 0 0; padding: 0; list-style: none; }
.fde-process li { position: relative; padding-top: 24px; border-top: 1px solid var(--line); }
.fde-process li::before { content: ''; position: absolute; width: 7px; height: 7px; left: 0; top: -4px; border: 1px solid var(--accent-ink); border-radius: 50%; background: var(--bg); }
.fde-process__number { display: block; color: var(--accent-ink); font-size: 11px; letter-spacing: .1em; }
.fde-process h3 { margin-top: 12px; font-size: 20px; }
.fde-process p { margin-top: 12px; color: var(--text-soft); font-size: 13px; line-height: 2; }
.fde-example { margin-top: 36px; padding: 26px 30px; border: 1px solid var(--line); border-radius: 3px 20px 3px 20px; }
.fde-example__label { font-size: 11px; letter-spacing: .12em; color: var(--accent-ink); }
.fde-example h3 { margin-top: 10px; font-size: 21px; }
.fde-example > p:not([class]) { margin-top: 14px; color: var(--text-soft); font-size: 14px; line-height: 2; }
.fde-example__note { margin-top: 16px; font-size: 11px; color: var(--text-mute); }
.fde-options { margin-top: 30px; }
.fde-options__row { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 26px; padding: 24px 20px; border-top: 1px solid var(--line); }
.fde-options__row:last-child { border-bottom: 1px solid var(--line); }
.fde-options__row dt { color: var(--text); font-size: 15px; font-weight: 700; }
.fde-options__row dd { margin: 0; color: var(--text-soft); font-size: 14px; line-height: 1.9; }
.fde-options__row--current { background: #15b0c70a; }
.fde-faq { margin-top: 28px; }
.fde-faq details { border-top: 1px solid var(--line); }
.fde-faq details:last-child { border-bottom: 1px solid var(--line); }
.fde-faq summary { padding: 23px 26px 23px 0; font-size: 15px; color: var(--text); cursor: pointer; }
.fde-faq details p { padding: 0 20px 24px 0; color: var(--text-soft); font-size: 14px; line-height: 2; }
.fde-contact { margin-top: 88px; padding: 46px; border: 1px solid #087f9140; border-radius: 4px 34px 4px 34px; background: radial-gradient(ellipse at 100% 20%, #15b0c70e, transparent 75%); }
.fde-contact h2 { font-size: clamp(24px, 3vw, 32px); line-height: 1.7; }
.fde-contact__price { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; margin-top: 24px; color: var(--accent-ink); }
.fde-contact__price strong { font-family: var(--serif); font-size: clamp(26px, 3vw, 34px); font-weight: 500; }
.fde-contact__price span { font-size: 12px; }
.fde-contact__note { margin-top: 18px; font-size: 13px; line-height: 2; color: var(--text-soft); }
.fde-contact .btn-line { min-height: 48px; }
.fde-return { max-width: 920px; padding-bottom: 76px; }
.page-fde a:focus-visible, .page-fde summary:focus-visible { outline: 2px solid var(--accent-ink); outline-offset: 5px; }
@media (hover: hover) and (pointer: fine) {
  .fde-bridge:hover .fde-bridge__signal { animation: fde-signal 1.5s ease both; }
  .fde-bridge:hover .fde-bridge__connector:nth-of-type(2) .fde-bridge__signal { animation-delay: .2s; }
  @keyframes fde-signal { 0% { left: 0; opacity: 0; } 15% { opacity: 1; } 85% { left: calc(100% - 5px); opacity: 1; } 100% { left: calc(100% - 5px); opacity: 0; } }
}
@media (max-width: 919px) {
  .plans--fde-featured { grid-template-columns: minmax(0, 1fr); }
  .plans--fde-featured > .plan--fde, .plans--fde-featured > .plan:not(.plan--fde) { grid-column: auto; grid-row: auto; }
  .fde-hero__grid { grid-template-columns: minmax(0, 1fr); gap: 42px; }
  .fde-hero__lead { max-width: 680px; }
  .fde-bridge { max-width: 600px; width: 100%; justify-self: center; }
  .fde-role-grid, .fde-process { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .fde-role h3 { font-size: 21px; }
  .fde-process li { padding-top: 20px; }
  .fde-process h3 { margin-top: 10px; }
  .fde-options__row { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .fde-workshare__grid { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .fde-workshare__grid > div + div { padding: 22px 0 0; border-left: 0; border-top: 1px solid var(--line); }
}
@media (max-width: 600px) {
  .plans--fde-featured > .plan--fde { padding: 28px 22px; }
  .plan--fde .plan__catch { font-size: clamp(22px, 6vw, 28px); }
  .plan--fde .plan__fde-link { max-width: 100%; font-size: 12px; padding: 14px; gap: 10px; }
  .fde-hero { padding-top: 120px; padding-bottom: 40px; }
  .fde-breadcrumb { margin-bottom: 32px; }
  .fde-hero h1 { font-size: clamp(26px, 6.8vw, 36px); }
  .fde-hero__lead { font-size: 14px; }
  .fde-actions { gap: 12px; }
  .fde-actions .btn-primary, .fde-actions .btn-line { width: 100%; justify-content: center; padding-left: 15px; padding-right: 15px; font-size: 13px; }
  .fde-bridge { padding: 24px 16px; }
  .fde-bridge__flow { grid-template-columns: minmax(0, 1fr) 18px 66px 18px minmax(0, 1fr); gap: 5px; }
  .fde-bridge__core { width: 66px; height: 66px; font-size: 23px; }
  .fde-bridge__node p { font-size: 11px; }
  .fde-section { padding-top: 60px; }
  .fde-definition { padding: 26px 22px; }
  .fde-definition__name { font-size: 20px; }
  .fde-definition p:not([class]), .fde-section__lead { font-size: 14px; }
  .fde-example { padding: 24px 22px; }
  .fde-workshare { padding: 24px 22px; }
  .fde-options__row { padding: 22px 14px; }
  .fde-contact { margin-top: 60px; padding: 30px 22px; }
}
@media (prefers-reduced-motion: reduce), print { .fde-bridge__signal { animation: none !important; } }