/* 設計の地図。style.css と flow.css の上に重ねる */
.designmap-root, :root {
  --l-up: #b45309; --l-up-bg: #fff8eb; --l-up-line: #f2d39b;
  --l-arch: #1d4ed8; --l-arch-bg: #f0f5ff; --l-arch-line: #c3d4f8;
  --l-ext: #0f766e; --l-ext-bg: #ecfaf7; --l-ext-line: #a9e2d6;
  --l-int: #15803d; --l-int-bg: #effaf1; --l-int-line: #b7e2bf;
  --l-cross: #475569; --l-cross-bg: #f3f5f8; --l-cross-line: #cdd3dc;
  --l-ai: #6d28d9; --l-ai-bg: #f6f2ff; --l-ai-line: #dccdfb;
}
.fhead p a, .srcl a, .dmlinks a, .dsrc a, .aihint a { color: #1d4ed8; text-underline-offset: 2px; }
.aitag { font-size: 12px; font-weight: 700; color: #6d28d9; background: #ede9fe; border-radius: 6px; padding: 2px 8px; margin-right: 8px; vertical-align: middle; }
.srcl { margin: 10px 0 0; font-size: 12px; color: var(--muted); }
.hint { display: inline-block; font-size: 11px; font-weight: 700; line-height: 1.5; color: #475569; background: #f8fafc; border: 1px dashed #94a3b8; border-radius: 999px; padding: 0 8px; white-space: nowrap; vertical-align: middle; margin-left: 6px; }

/* 上の操作 */
.dm-bar { display: flex; justify-content: space-between; align-items: center; gap: 10px 16px; flex-wrap: wrap; margin-bottom: 12px; }
.dm-mode { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 3px; gap: 3px; background: var(--line2); }
.dm-mode button { appearance: none; border: 0; background: transparent; font: inherit; font-size: 13px; font-weight: 700; color: var(--ink2); border-radius: 999px; padding: 5px 13px; cursor: pointer; }
.dm-mode button[aria-pressed="true"] { background: var(--paper); color: var(--ink); box-shadow: 0 1px 2px rgba(15, 23, 42, .08); }
.dm-count { display: flex; align-items: center; gap: 12px; font-size: 13.5px; color: var(--ink2); }
.dm-count b { font-family: var(--latin); font-size: 18px; color: var(--ink); }
.ckreset { appearance: none; border: 1px solid var(--line); background: var(--paper); border-radius: 999px; padding: 5px 12px; font: inherit; font-size: 12.5px; font-weight: 700; color: var(--ink2); cursor: pointer; }
.ckreset:disabled { opacity: .45; cursor: default; }

/* 地図: 上流・アーキテクチャ・外部・内部を縦に重ね、横断を右に縦長で、AI 時代を下に */
.dm-lay { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 16px; align-items: start; }
.dm-map { display: grid; grid-template-columns: minmax(0, 1fr) 210px; grid-template-areas: "up up" "arch cross" "ext cross" "int cross" "ai ai"; gap: 8px; }
.dmband { border-radius: 12px; padding: 10px 12px 12px; border: 1px solid var(--line); transition: opacity .25s ease; }
.dmband.dim { opacity: .38; }
.b-up { grid-area: up; background: var(--l-up-bg); border-color: var(--l-up-line); --lc: var(--l-up); }
.b-arch { grid-area: arch; background: var(--l-arch-bg); border-color: var(--l-arch-line); --lc: var(--l-arch); }
.b-ext { grid-area: ext; background: var(--l-ext-bg); border-color: var(--l-ext-line); --lc: var(--l-ext); }
.b-int { grid-area: int; background: var(--l-int-bg); border-color: var(--l-int-line); --lc: var(--l-int); }
.b-cross { grid-area: cross; background: var(--l-cross-bg); border-color: var(--l-cross-line); --lc: var(--l-cross); }
.b-ai { grid-area: ai; background: var(--l-ai-bg); border-color: var(--l-ai-line); --lc: var(--l-ai); }
.dmband { scroll-margin-top: 12px; }
.dmband.half { opacity: .62; }
.bh { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 8px; margin-bottom: 8px; }
.bh h3 { margin: 0; font-size: 14.5px; color: var(--lc); }
.bn { margin-left: auto; font-size: 12px; color: var(--ink2); white-space: nowrap; }
.jtag { font-size: 11.5px; font-weight: 700; color: #fff; background: var(--lc); border-radius: 999px; padding: 1px 9px; white-space: nowrap; }
.jtag[hidden] { display: none; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.b-cross .chips { flex-direction: column; align-items: stretch; }
.dmchip { appearance: none; font: inherit; font-size: 13px; font-weight: 600; text-align: left; border: 1px solid var(--line); background: var(--paper); color: var(--ink); border-radius: 9px; padding: 6px 10px; cursor: pointer; display: inline-flex; align-items: center; gap: 5px; }
.dmchip:hover { border-color: var(--lc); }
.dmchip[aria-pressed="true"] { background: var(--lc); border-color: var(--lc); color: #fff; }
.dmchip .ok { font-size: 12px; font-weight: 800; color: #15803d; }
.dmchip[aria-pressed="true"] .ok { color: #fff; }
.dmchip:not(.can) .ok, .dmchip:not(.can) .dm-vh { display: none; }
.dm-vh { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* 説明の欄 */
.dm-detail { position: sticky; top: 14px; padding: 16px 18px; display: flex; flex-direction: column; gap: 8px; }
.lbadge { align-self: flex-start; font-size: 11.5px; font-weight: 700; color: #fff; border-radius: 6px; padding: 2px 8px; }
.d-up .lbadge { background: var(--l-up); } .d-arch .lbadge { background: var(--l-arch); } .d-ext .lbadge { background: var(--l-ext); }
.d-int .lbadge { background: var(--l-int); } .d-cross .lbadge { background: var(--l-cross); } .d-ai .lbadge { background: var(--l-ai); }
.dm-detail h3 { margin: 0; font-size: 19px; }
.dm-detail h4 { margin: 4px 0 0; font-size: 12px; color: var(--muted); }
.dwhat { margin: 0; font-size: 14px; color: var(--ink2); }
.dai { margin: 0; font-size: 13px; color: var(--ink2); background: #faf8ff; border: 1px solid var(--l-ai-line); border-radius: 8px; padding: 6px 9px; }
.dai .aitag { margin-right: 6px; font-size: 11px; padding: 1px 7px; }
.docs { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 5px; }
.docs li { font-size: 12.5px; background: var(--line2); border-radius: 6px; padding: 3px 9px; }
.dmlinks { margin: 0; display: flex; flex-direction: column; gap: 3px; font-size: 13px; font-weight: 700; }
.dmlinks a { text-decoration: none; }
.dmlinks a:hover { text-decoration: underline; }
.dsrc { margin: 0; font-size: 12px; color: var(--muted); }
.dcan { display: flex; align-items: center; gap: 8px; margin-top: 4px; padding: 8px 10px; border-radius: 10px; background: #f0fdf4; border: 1px solid #bbf7d0; font-size: 13.5px; font-weight: 700; cursor: pointer; }
.dcan input { width: 18px; height: 18px; accent-color: #15803d; cursor: pointer; }
.dwho { margin: 2px 0 0; font-size: 12.5px; color: var(--ink2); }
.dwho b { display: block; font-size: 11.5px; color: var(--muted); }

/* 取り組む順 */
.dm-order { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.dm-order li { display: flex; gap: 10px; background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 13px 14px; }
.dm-order .dmon { flex: none; width: 26px; height: 26px; border-radius: 50%; color: #fff; font: 600 13px/26px var(--latin); text-align: center; background: var(--lc, var(--ink)); }
.o-int { --lc: var(--l-int); } .o-ext { --lc: var(--l-ext); } .o-arch { --lc: var(--l-arch); } .o-up { --lc: var(--l-up); }
.dm-order b { display: block; font-size: 14.5px; }
.dm-order .ol { display: block; font-size: 12px; font-weight: 700; color: var(--lc); margin-top: 1px; }
.dm-order p { margin: 5px 0 0; font-size: 13px; color: var(--ink2); }
.dm-onote { margin: 12px 0 0; font-size: 13px; color: var(--ink2); }

/* 層のちがい */
.dm-layers { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.lcard { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 13px 15px; display: flex; flex-direction: column; gap: 6px; }
.lcard h3 { margin: 0; font-size: 15.5px; display: flex; align-items: baseline; gap: 8px; color: var(--lc); }
.lcard h3 small { font-size: 12px; color: var(--muted); font-weight: 600; }
.lcard p { margin: 0; font-size: 13px; color: var(--ink2); }
.lcard .lwho b { display: block; font-size: 11.5px; color: var(--muted); }
.l-up { --lc: var(--l-up); } .l-arch { --lc: var(--l-arch); } .l-ext { --lc: var(--l-ext); } .l-int { --lc: var(--l-int); } .l-cross { --lc: var(--l-cross); } .l-ai { --lc: var(--l-ai); }

/* AI 時代 */
.dm-ai { display: grid; grid-template-columns: 1.2fr 1fr; gap: 14px; }
.aicol h3 { margin: 0 0 8px; font-size: 14px; color: var(--muted); }
.aicard { background: #faf8ff; border: 1px solid var(--l-ai-line); border-radius: 12px; padding: 11px 13px; margin-bottom: 8px; display: flex; flex-direction: column; gap: 4px; }
.aicard.old { background: var(--paper); border-color: var(--line); }
.aicard b { font-size: 14.5px; }
.aicard b a { color: var(--ink); text-decoration-color: var(--l-ai-line); text-underline-offset: 3px; }
.aicard b a:hover { color: var(--l-ai); }
.aicard p { margin: 0; font-size: 13px; color: var(--ink2); }
.aihint { margin: 4px 0 0; font-size: 13px; color: var(--ink2); }

.dm-mode button:focus-visible, .dmchip:focus-visible, .ckreset:focus-visible, .dcan input:focus-visible, .dmlinks a:focus-visible, .aicard b a:focus-visible { outline: 3px solid #2563eb; outline-offset: 2px; }

@media (max-width: 1100px) {
  .dm-lay { grid-template-columns: minmax(0, 1fr); }
  .dm-detail { position: static; }
  .dm-map { display: flex; flex-direction: column; overflow-anchor: none; }
  .b-cross .chips { flex-direction: row; }
  .dm-map > .dm-detail { box-shadow: 0 10px 24px -14px rgba(15, 23, 42, .35); }
  .dm-layers { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .dm-order, .dm-layers, .dm-ai { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  .dmband { transition: none; }
}