:root {
  --bg: #f6f1e9;
  --paper: #fffdf8;
  --ink: #2a2420;
  --ink-2: #5d544c;
  --ink-3: #8a8077;
  --line: #e2d9cc;
  --accent: #6b4c9a;      /* 藤色：敏子の好んだ紫 */
  --accent-soft: #ece4f5;
  --life: #6b4c9a;
  --soc: #2f5d7c;
  --cult: #4f7a4a;
  --war: #a3412f;
  --war-soft: #f6e3dd;
  --war-band: #c9705d;
  --mark: #f8dcd3;
  --sea: #e3ecef; --land: #f3ece0; --coast: #b9ab96; --grid: rgba(90,110,130,.12);
  --p1: #d9c7a5; --p2: #c98c7a; --p3: #a9b98f; --p4: #9db4cc; --p5: #b8a3d1; --p6: #c9c2b8;
  --serif: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", serif;
  --sans: system-ui, -apple-system, "Hiragino Sans", "Yu Gothic UI", "Meiryo", sans-serif;
  --radius: 14px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #17151a; --paper: #211e25; --ink: #ece6dd; --ink-2: #c2b9ae; --ink-3: #8f877e; --line: #37323c;
    --accent: #b9a0e0; --accent-soft: #2e2738; --life: #b9a0e0; --soc: #8db8d8; --cult: #9cc493;
    --war: #e48c78; --war-soft: #3a2422; --war-band: #b45f4d; --mark: #5a2f28; --sea: #141b21; --land: #353140; --coast: #6e6680; --grid: rgba(255,255,255,.06);
    --p1: #6d6048; --p2: #6e4740; --p3: #55613f; --p4: #44586c; --p5: #5b4b72; --p6: #4a4540;
  }
}
:root[data-theme="dark"] {
  --bg: #17151a; --paper: #211e25; --ink: #ece6dd; --ink-2: #c2b9ae; --ink-3: #8f877e; --line: #37323c;
  --accent: #b9a0e0; --accent-soft: #2e2738; --life: #b9a0e0; --soc: #8db8d8; --cult: #9cc493;
  --war: #e48c78; --war-soft: #3a2422; --war-band: #b45f4d; --mark: #5a2f28; --sea: #141b21; --land: #353140; --coast: #6e6680; --grid: rgba(255,255,255,.06);
  --p1: #6d6048; --p2: #6e4740; --p3: #55613f; --p4: #44586c; --p5: #5b4b72; --p6: #4a4540;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 12px; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-size: 16px; line-height: 1.75;
  padding-bottom: calc(64px + env(safe-area-inset-bottom));
}
h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: .02em; }
code { font-size: .9em; background: var(--accent-soft); padding: 0 .3em; border-radius: 4px; }

/* hero */
.hero { max-width: 1180px; margin: 0 auto; padding: 48px 16px 24px; }
.eyebrow { color: var(--accent); font-size: .85rem; letter-spacing: .15em; margin: 0 0 8px; }
.hero h1 { font-size: clamp(1.9rem, 6vw, 3.1rem); line-height: 1.35; margin: 0 0 16px; }
.lede { max-width: 46em; color: var(--ink-2); margin: 0; }

.panel {
  max-width: 1180px; margin: 0 auto 20px; padding: 18px 16px;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
}
@media (min-width: 1212px) { .panel { margin-left: auto; margin-right: auto; } }
@media (max-width: 1211px) { .panel { margin-left: 16px; margin-right: 16px; } }
.sec-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; margin-bottom: 10px; }
.sec-head h2 { margin: 0; font-size: 1.25rem; }
.hint { margin: 0; font-size: .8rem; color: var(--ink-3); }

/* life strip */
.strip svg { width: 100%; height: auto; display: block; touch-action: pan-y; cursor: pointer; }
.strip text { font-family: var(--sans); fill: var(--ink-2); }
.strip .lab { font-size: 11px; fill: var(--ink-3); }
.strip .axis { stroke: var(--line); }
.strip .cursor { stroke: var(--accent); stroke-width: 2; }
.strip .cursor-lab { fill: var(--accent); font-weight: 700; font-size: 12px; }
.legend { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: .75rem; color: var(--ink-3); margin-top: 6px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 4px; vertical-align: -1px; }

/* layout */
.layout { max-width: 1180px; margin: 0 auto; display: block; }
@media (min-width: 1000px) {
  .layout { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 20px; padding: 0 16px; }
  .layout .main { grid-column: 1; grid-row: 1; }
  .layout .side { grid-column: 2; grid-row: 1; }
  .side .panel { position: sticky; top: 12px; margin: 0; }
  .hud { display: none !important; }
}
@media (max-width: 999px) { .main { padding: 0 16px; } }

/* map */
.map svg { width: 100%; height: auto; display: block; }
.map .sea { fill: var(--sea); }
.map .land { fill: var(--land); stroke: var(--coast); stroke-width: 1; stroke-linejoin: round; }
.map .grid { stroke: var(--grid); stroke-width: 1; }
.map .region { font-family: var(--serif); fill: var(--ink-3); font-size: 22px; letter-spacing: .2em; opacity: .8; }
.map .route { fill: none; stroke: var(--accent); stroke-width: 2; stroke-dasharray: 5 5; opacity: .45; }
.map .pt { cursor: pointer; }
.map .pt circle.dot { fill: var(--paper); stroke: var(--accent); stroke-width: 3; transition: r .25s; }
.map .pt text { font-size: 24px; fill: var(--ink); font-weight: 600; }
.map .pt .yrs { font-size: 17px; fill: var(--ink-3); font-weight: 400; }
.map .pt.on circle.dot { fill: var(--accent); r: 10; }
.map .pt.on .pulse { animation: pulse 1.8s ease-out infinite; }
.map .pulse { fill: var(--accent); opacity: 0; }
@keyframes pulse { 0% { r: 8; opacity: .45; } 100% { r: 26; opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .map .pt.on .pulse { animation: none; } }
.now { margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--line); font-size: .9rem; }
.now .y { font-family: var(--serif); font-size: 1.5rem; font-weight: 700; margin-right: 8px; }
.now .a { color: var(--ink-2); }
.now .l { display: block; color: var(--accent); font-weight: 600; margin-top: 2px; }
.now .w { display: inline-block; margin-top: 6px; font-size: .75rem; color: var(--war); border: 1px solid var(--war); border-radius: 99px; padding: 0 8px; }

/* controls */
.controls {
  position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  padding: 10px 0; margin-bottom: 8px; border-bottom: 1px solid var(--line);
}
.chips { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; padding-bottom: 4px; }
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex: none; border: 1px solid var(--line); background: var(--paper); color: var(--ink-2);
  border-radius: 99px; padding: 4px 12px; font-size: .8rem; font-family: inherit; cursor: pointer;
}
.chip b { color: var(--ink); margin-right: 4px; }
.chip.on { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.toggles { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.tg { font-size: .78rem; cursor: pointer; user-select: none; }
.tg input { position: absolute; opacity: 0; pointer-events: none; }
.tg span { display: inline-block; border-radius: 8px; padding: 3px 10px; border: 1px solid var(--line); color: var(--ink-3); background: var(--paper); }
.tg span::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; background: currentColor; opacity: .35; }
.tg input:checked + span { color: var(--ink); }
.tg.life input:checked + span::before { background: var(--life); opacity: 1; }
.tg.soc input:checked + span::before { background: var(--soc); opacity: 1; }
.tg.cult input:checked + span::before { background: var(--cult); opacity: 1; }
.tg.war input:checked + span { border-color: var(--war); }
.tg.war input:checked + span::before { background: var(--war); opacity: 1; }
.tg input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.filter-row { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.filter-row select, .filter-row input {
  flex: 1 1 200px; min-width: 0; font: inherit; font-size: 16px; color: var(--ink);
  background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 6px 10px;
}

/* timeline */
.theme-banner { background: var(--accent-soft); border-radius: var(--radius); padding: 12px 14px; margin: 8px 0 14px; font-size: .92rem; }
.theme-banner h3 { margin: 0 0 4px; font-size: 1.05rem; }
.theme-banner button { margin-top: 6px; }
.period { margin: 22px 0 8px; }
.period-head { border-left: 4px solid var(--pc, var(--accent)); padding: 2px 0 2px 12px; }
.period-head .pl { font-size: .78rem; color: var(--ink-3); letter-spacing: .1em; }
.period-head h2 { margin: 0; font-size: 1.3rem; line-height: 1.4; }
.link-box { margin: 10px 0 12px; font-size: .9rem; color: var(--ink-2); background: var(--paper); border: 1px solid var(--line); border-radius: 10px; }
.link-box summary { cursor: pointer; padding: 8px 12px; font-weight: 600; color: var(--ink); list-style: none; }
.link-box summary::-webkit-details-marker { display: none; }
.link-box summary::before { content: "▸ "; color: var(--accent); }
.link-box[open] summary::before { content: "▾ "; }
.link-box p { margin: 0; padding: 0 12px 10px; }

.row {
  position: relative; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px 14px; margin: 0 0 10px; scroll-margin-top: 200px;
  transition: border-color .2s, box-shadow .2s;
}
.row.cur { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
.war-on .row.war { border-left: 4px solid var(--war); }
.row-top { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 10px; margin-bottom: 6px; }
.row .yr { font-family: var(--serif); font-size: 1.35rem; font-weight: 700; }
.row .era { font-size: .8rem; color: var(--ink-3); }
.row .age { font-size: .8rem; color: var(--ink-2); }
.row .loc { flex-basis: 100%; font-size: .78rem; color: var(--accent); }
.row .loc::before { content: "●"; font-size: .6rem; margin-right: 4px; vertical-align: 1px; }
.cols { display: grid; gap: 8px; }
@media (min-width: 640px) { .cols { grid-template-columns: repeat(var(--n, 3), minmax(0, 1fr)); } }
.c { font-size: .9rem; padding-left: 10px; border-left: 3px solid var(--cc); }
.c h4 { margin: 0; font-size: .68rem; color: var(--cc); letter-spacing: .08em; font-weight: 700; }
.c p { margin: 0; }
.c.life { --cc: var(--life); }
.c.soc { --cc: var(--soc); }
.c.cult { --cc: var(--cult); }
.c.life p { font-weight: 500; }
.hide-life .c.life, .hide-soc .c.soc, .hide-cult .c.cult { display: none; }
mark { background: transparent; color: inherit; }
.war-on mark.w { background: var(--mark); color: var(--ink); border-radius: 3px; padding: 0 2px; }
mark.q { background: #fbe68a; color: #2a2420; border-radius: 3px; }
.badge { font-size: .68rem; border-radius: 99px; padding: 0 8px; border: 1px solid; }
.badge.warn { color: var(--war); border-color: var(--war); }
.empty { text-align: center; color: var(--ink-3); padding: 30px 0; }

/* themes */
.themes-sec { margin-top: 28px; }
.theme-cards { display: grid; gap: 10px; }
@media (min-width: 720px) { .theme-cards { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); } }
.tcard { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; display: flex; flex-direction: column; }
.tcard h3 { margin: 0 0 4px; font-size: 1.05rem; }
.tcard h3 span { color: var(--accent); margin-right: 6px; }
.tcard p { margin: 0 0 10px; font-size: .9rem; color: var(--ink-2); flex: 1; }
.btn {
  align-self: flex-start; font: inherit; font-size: .82rem; cursor: pointer;
  border: 1px solid var(--accent); color: var(--accent); background: transparent; border-radius: 99px; padding: 3px 12px;
}
.btn:hover { background: var(--accent-soft); }

.foot { max-width: 1180px; margin: 30px auto 0; padding: 0 16px 30px; font-size: .85rem; color: var(--ink-2); }
.foot h2 { font-size: 1rem; }
.foot ul { padding-left: 1.2em; }
.gen { color: var(--ink-3); font-size: .75rem; }

/* bottom HUD (phone) */
.hud {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
  padding: 8px 16px calc(8px + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--paper) 94%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--line); font-size: .85rem; display: flex; align-items: center; gap: 10px;
  transform: translateY(110%); transition: transform .25s;
}
.hud.show { transform: none; }
.hud .y { font-family: var(--serif); font-weight: 700; font-size: 1.15rem; }
.hud .l { color: var(--accent); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1; min-width: 0; }
.hud .w { color: var(--war); font-size: .72rem; border: 1px solid var(--war); border-radius: 99px; padding: 0 6px; flex: none; }