:root {

  --sky:      #7ec6f0;
  --blue:     #5aa9e6;
  --deep:     #2f74b5;
  --peri:     #9db4f0;
  --lav:      #c4b0e8;

  --home1:      #f8d976;
  --home2:      #eaa64c;
  --home-line:  #cf8a2c;

  --ink:      #1d2733;
  --ink-soft: #5a6675;
  --line:     #e4e9f2;

  --bg:       #f6f9fd;
  --bg-2:     #eef3fb;
  --card:     #ffffff;

  --land:       #e9edf6;
  --land-line:  #d5ddec;
  --terrain-line: #8a94ac;
  --sea:        #d8d3e8;

  --shadow:  0 10px 30px -12px rgba(47, 116, 181, .28);
  --shadow-sm: 0 4px 14px -8px rgba(47, 116, 181, .35);

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans:  "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --grad:  linear-gradient(135deg, var(--sky) 0%, var(--peri) 52%, var(--lav) 100%);
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 12% -8%, #eaf3fe 0%, rgba(234,243,254,0) 60%),
    radial-gradient(1000px 620px at 100% 0%, #f3edff 0%, rgba(243,237,255,0) 55%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.5;
}

.wrap { max-width: 1140px; margin: 0 auto; padding: 0 22px; }

header.top {
  display: flex; align-items: center; gap: 16px;
  padding: 30px 0 14px;
}
.logo { width: 58px; height: 58px; flex: none;
  filter: drop-shadow(0 6px 14px rgba(90, 169, 230, .35)); }
.brand { display: flex; flex-direction: column; gap: 2px; }
.brand h1 {
  font-family: var(--serif); font-weight: 600; font-optical-sizing: auto;
  font-size: clamp(28px, 4.4vw, 40px); margin: 0; letter-spacing: -.01em;
  color: var(--ink);
}
.brand .tag {
  font-size: 14px; color: var(--ink-soft); letter-spacing: .02em;
}
.brand .tag b {
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  color: transparent; font-weight: 600;
}
.top .spacer { flex: 1; }
.site-link {
  font-size: 13px; color: var(--deep); text-decoration: none; font-weight: 600;
  border: 1px solid var(--line); border-radius: 999px; padding: 8px 14px;
  background: var(--card); transition: .18s; white-space: nowrap;
}
.site-link:hover { border-color: var(--sky); box-shadow: var(--shadow-sm); }

.console {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-top: 8px;
}

.console-head {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.tabs { display: inline-flex; background: var(--bg-2); border-radius: 999px; padding: 4px; gap: 2px; }
.tab {
  font-family: var(--sans); font-size: 14px; font-weight: 600; color: var(--ink-soft);
  border: 0; background: transparent; cursor: pointer;
  padding: 9px 18px; border-radius: 999px; transition: .18s; white-space: nowrap;
  display: inline-flex; align-items: center; gap: 8px;
}
.tab svg { width: 16px; height: 16px; }
.tab:hover { color: var(--ink); }
.tab[aria-selected="true"] {
  background: var(--card); color: var(--deep);
  box-shadow: 0 2px 8px -3px rgba(47,116,181,.4);
}

.stats { margin-left: auto; text-align: right; line-height: 1.25; }
.stats .big {
  font-family: var(--serif); font-size: 26px; font-weight: 600; color: var(--ink);
}
.stats .big em { font-style: normal; background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.stats .sub { font-size: 12.5px; color: var(--ink-soft); }

.themes { display: none; }
.console.mode-japan .themes { display: flex; }
.console.mode-japan .slider,
.console.mode-japan .stats,
.console.mode-japan #yearList,
.console.mode-japan .legend { display: none; }

.blog-pin svg { filter: drop-shadow(0 3px 5px rgba(47,116,181,.4)); transition: transform .15s; }
.blog-pin:hover svg { transform: scale(1.2); }
.blog-popup .leaflet-popup-content-wrapper {
  border-radius: 12px; box-shadow: var(--shadow); border: 1px solid var(--line);
  background: var(--card); padding: 2px;
}
.blog-popup .leaflet-popup-tip { background: var(--card); border: 1px solid var(--line); }
.blog-pop { padding: 4px 4px 2px; }
.bp-title { font-family: var(--serif); font-weight: 600; font-size: 15px; color: var(--ink); margin: 2px 6px 6px; }
.bp-links { display: flex; flex-direction: column; }
.bp-links a {
  font-family: var(--sans); font-size: 13px; font-weight: 500; color: var(--deep);
  text-decoration: none; padding: 5px 8px; border-radius: 7px; transition: .13s;
}
.bp-links a:hover { background: var(--bg-2); }

.th-body { padding: 8px 6px; }
.th-group { margin-bottom: 8px; }
.th-name { font-size: 11px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
  color: var(--ink-soft); padding: 2px 9px 3px; }
.th-link { display: block; font-size: 13px; font-weight: 500; color: var(--deep);
  text-decoration: none; padding: 4px 9px; border-radius: 7px; transition: .13s; }
.th-link:hover { background: var(--bg-2); }

.map-shell { position: relative; }
#map {
  height: min(60vh, 560px);
  min-height: 380px;
  width: 100%;
  background:
    radial-gradient(900px 500px at 50% 30%, #ffffff 0%, rgba(255,255,255,0) 70%),
    linear-gradient(180deg, #f2f7fe 0%, #eef3fb 100%);
}

.leaflet-container { font-family: var(--sans); background: transparent; outline: none; }
/* terrain multiplies onto the pale-lavender sea base: sea → base (seamless), relief → darker lavender */
.console.terrain-on #map { background: var(--sea); }
.terrain-tiles { filter: grayscale(1) sepia(.45) hue-rotate(212deg) saturate(.75) brightness(1.1) contrast(0.95); }
.map-fade {
  position: absolute; inset: 0; pointer-events: none; z-index: 500; display: none;
  background: radial-gradient(130% 118% at 50% 48%, transparent 62%, var(--sea) 100%);
}
.console.terrain-on .map-fade { display: block; }
.leaflet-control-attribution {
  background: rgba(255,255,255,.72) !important; color: var(--ink-soft) !important;
  font-size: 10px !important; border-radius: 8px 0 0 0;
}
.leaflet-control-attribution a { color: var(--deep) !important; }
.leaflet-bar { border: 1px solid var(--line) !important; box-shadow: var(--shadow-sm) !important;
  border-radius: 12px !important; overflow: hidden; }
.leaflet-bar a { color: var(--deep) !important; background: var(--card) !important; }
.leaflet-bar a:hover { background: var(--bg-2) !important; }

.country { transition: fill-opacity .15s, fill .15s; cursor: default; }
.country-visited { fill: url(#foxGrad); fill-opacity: .92; cursor: pointer; }
.country-visited.dim { fill: var(--land); fill-opacity: 1; }
.country:hover.country-visited { fill-opacity: 1; }

.country-visited.no-link { cursor: default; }
.country-visited.no-link:hover { fill-opacity: .92; }

.country-home { fill: url(#homeGrad); fill-opacity: .95; cursor: pointer; }
.country:hover.country-home { fill-opacity: 1; }
.country-home.no-link { cursor: default; }
.country-home.no-link:hover { fill-opacity: .95; }

.pin { display: grid; place-items: center; cursor: pointer; }
.pin svg { filter: drop-shadow(0 4px 6px rgba(47,116,181,.4)); transition: transform .15s; }
.pin:hover svg { transform: scale(1.18) translateY(-2px); }
.pin.no-link { cursor: default; }
.pin.no-link:hover svg { transform: none; }

.chooser-popup .leaflet-popup-content-wrapper {
  border-radius: 12px; box-shadow: var(--shadow); border: 1px solid var(--line);
  background: var(--card); padding: 4px;
}
.chooser-popup .leaflet-popup-content { margin: 6px 8px; }
.chooser-popup .leaflet-popup-tip { background: var(--card); border: 1px solid var(--line); }
.chooser { display: flex; flex-direction: column; gap: 2px; min-width: 84px; }
.chooser a {
  font-family: var(--sans); font-size: 13px; font-weight: 600; color: var(--deep);
  text-decoration: none; padding: 6px 10px; border-radius: 8px; transition: .15s;
  display: flex; justify-content: space-between; gap: 12px;
}
.chooser a:hover { background: var(--bg-2); }

.year-list {
  position: absolute; left: 14px; top: 14px; z-index: 600;
  width: 210px; max-height: calc(100% - 96px); display: none;
  flex-direction: column; overflow: hidden;
  background: rgba(255,255,255,.9); backdrop-filter: blur(8px);
  border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow);
}
.year-list.show { display: flex; }
.yl-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 8px;
  padding: 11px 14px 9px; border-bottom: 1px solid var(--line);
  font-family: var(--serif); font-size: 20px; font-weight: 600; color: var(--ink);
}
.yl-head span { font-family: var(--sans); font-size: 11.5px; font-weight: 600; color: var(--ink-soft); }
.yl-body { overflow-y: auto; padding: 5px; }
.yl-row {
  width: 100%; display: flex; align-items: center; gap: 6px;
  border: 0; background: transparent; cursor: pointer; text-align: left;
  padding: 6px 9px; border-radius: 8px; transition: .13s;
  font-family: var(--sans); font-size: 13px; color: var(--ink); font-weight: 500;
}
.yl-row:hover { background: var(--bg-2); }
.yl-name { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.yl-meta { font-size: 11px; color: var(--ink-soft); font-weight: 600; }
.yl-go { color: var(--deep); font-weight: 700; opacity: .7; }
.yl-row.no-link { cursor: default; color: var(--ink-soft); }
.yl-row.no-link:hover { background: transparent; }
.yl-empty { padding: 10px; font-size: 12.5px; color: var(--ink-soft); }

.leaflet-tooltip.tt {
  background: var(--card); border: 1px solid var(--line); color: var(--ink);
  border-radius: 12px; box-shadow: var(--shadow); padding: 9px 12px;
  font-size: 13px; font-weight: 500;
}
.leaflet-tooltip.tt::before { display: none; }
.tt .tt-name { font-family: var(--serif); font-weight: 600; font-size: 14.5px; }
.tt .tt-meta { color: var(--ink-soft); font-size: 12px; margin-top: 2px; }
.tt .tt-go { color: var(--deep); font-size: 11.5px; font-weight: 700; margin-top: 4px;
  letter-spacing: .03em; text-transform: uppercase; }

.legend {
  position: absolute; left: 14px; bottom: 14px; z-index: 500;
  background: rgba(255,255,255,.86); backdrop-filter: blur(6px);
  border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-sm);
  padding: 8px 12px; font-size: 12px; color: var(--ink-soft);
  display: flex; align-items: center; gap: 9px; pointer-events: none;
}
.legend .dot { width: 14px; height: 14px; border-radius: 5px; background: var(--grad); }
.legend .dot.pin-dot { border-radius: 50%; }
.legend .dot.home { background: linear-gradient(135deg, var(--home1), var(--home2)); }

.slider {
  padding: 20px 24px 24px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, #fbfdff, #f5f9ff);
}
.slider-top { display: flex; align-items: baseline; gap: 12px; margin-bottom: 6px; }
.year-now { font-family: var(--serif); font-size: 30px; font-weight: 600; color: var(--ink);
  line-height: 1; }
.year-now.all em { font-style: normal; background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.slider-hint { font-size: 12.5px; color: var(--ink-soft); }

.range-row { position: relative; padding: 10px 2px 2px; }
input[type="range"].years {
  -webkit-appearance: none; appearance: none; width: 100%; height: 6px;
  border-radius: 999px; background: var(--bg-2); outline: none; cursor: pointer;
}
input[type="range"].years::-webkit-slider-runnable-track { height: 6px; border-radius: 999px; }
input[type="range"].years::-moz-range-track { height: 6px; border-radius: 999px; background: var(--bg-2); }
input[type="range"].years::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 24px; height: 24px; margin-top: -9px; border-radius: 50%;
  background: #fff; border: 3px solid var(--blue);
  box-shadow: 0 4px 12px -3px rgba(47,116,181,.6); transition: transform .12s;
}
input[type="range"].years::-webkit-slider-thumb:hover { transform: scale(1.1); }
input[type="range"].years::-moz-range-thumb {
  width: 24px; height: 24px; border-radius: 50%;
  background: #fff; border: 3px solid var(--blue);
  box-shadow: 0 4px 12px -3px rgba(47,116,181,.6);
}
.ticks { display: flex; justify-content: space-between; margin-top: 10px; padding: 0 2px; }
.ticks button {
  border: 0; background: transparent; cursor: pointer; padding: 2px 3px;
  font-family: var(--sans); font-size: 11px; color: var(--ink-soft);
  font-weight: 600; letter-spacing: -.01em; transition: .15s; border-radius: 6px;
  font-variant-numeric: tabular-nums;
}
.ticks button:hover { color: var(--deep); }
.ticks button.on { color: var(--deep); opacity: 1; }
.ticks button.all { color: var(--lav); }
.ticks button.on.all { color: var(--deep); }

.ticks button.off { color: var(--ink-soft); opacity: .28; cursor: default; }
.ticks button.off:hover { color: var(--ink-soft); }

.section-title {
  font-family: var(--serif); font-size: clamp(20px, 3vw, 26px); font-weight: 600;
  margin: 44px 0 18px;
}
.section-sub { color: var(--ink-soft); font-size: 14px; margin: 0 0 18px; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 18px; }
.card {
  display: block; text-decoration: none; color: inherit;
  background: var(--card); border: 1px solid var(--line); border-radius: 18px;
  padding: 22px; box-shadow: var(--shadow-sm); transition: .2s;
  position: relative; overflow: hidden;
}
.card::after {
  content: ""; position: absolute; inset: 0; border-radius: 18px;
  background: var(--grad); opacity: 0; transition: .2s; z-index: 0;
  -webkit-mask: linear-gradient(#000,#000); mask: linear-gradient(#000,#000);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.card > * { position: relative; z-index: 1; }
.card .kicker { font-size: 12px; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--deep); }
.card h3 { font-family: var(--serif); font-size: 22px; font-weight: 600; margin: 8px 0 6px; }
.card p { color: var(--ink-soft); font-size: 14px; margin: 0; }
.card .go { margin-top: 14px; font-size: 13px; font-weight: 700; color: var(--deep);
  display: inline-flex; align-items: center; gap: 6px; }
.card .emoji { font-size: 30px; line-height: 1; }

footer.foot {
  margin: 46px 0 40px; padding-top: 22px; border-top: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  color: var(--ink-soft); font-size: 13px; flex-wrap: wrap;
}
footer.foot a { color: var(--deep); text-decoration: none; font-weight: 600; }

.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 20px);
  background: var(--ink); color: #fff; padding: 11px 18px; border-radius: 999px;
  font-size: 13.5px; font-weight: 500; box-shadow: var(--shadow);
  opacity: 0; pointer-events: none; transition: .25s; z-index: 9999;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 720px) {
  .wrap { padding: 0 14px; }

  /* header */
  header.top { gap: 12px; padding: 20px 0 10px; }
  .logo { width: 46px; height: 46px; }
  .brand h1 { font-size: 26px; }
  .brand .tag { font-size: 12.5px; }
  .site-link { display: none; }

  /* tabs — text-only pills so all four fit in one row */
  .console-head { gap: 10px; padding: 12px 12px; }
  .tabs { width: 100%; justify-content: space-between; gap: 2px; padding: 3px; }
  .tab { flex: 1 1 0; min-width: 0; justify-content: center; gap: 0;
    padding: 8px 4px; font-size: 12.5px; letter-spacing: -.01em; }
  .tab svg { display: none; }
  .stats { margin-left: 0; text-align: left; width: 100%; order: 3; }
  .stats .big { font-size: 22px; }

  /* map + panels */
  .cards { grid-template-columns: 1fr; }
  #map { height: 56vh; }
  .year-list { width: 144px; left: 10px; top: 10px; max-height: calc(100% - 80px); }
  .yl-head { font-size: 17px; padding: 9px 11px 7px; }
  .yl-row { font-size: 12px; padding: 5px 7px; }
  .slider { padding: 18px 12px 22px; }
  .ticks button { font-size: 10px; padding: 2px 0; letter-spacing: 0; }
  .ticks button.minor { font-size: 0; min-width: 4px; padding: 0; }

  footer.foot { flex-direction: column; align-items: flex-start; gap: 6px; }
}

@media (max-width: 380px) {
  .tab { font-size: 11.5px; padding: 8px 2px; }
  .brand h1 { font-size: 23px; }
}