@font-face{font-family:'Zen Kaku Gothic New';font-style:normal;font-weight:400;src:local('Zen Kaku Gothic New Regular'),url(assets/ZenKakuGothicNew-Regular-kana.woff2) format('woff2');unicode-range:U+0020,U+0061-0079,U+3041-3093,U+30A1-30F6,U+4E07,U+4E09,U+4E0D,U+4E0E,U+4E16,U+4E43,U+4E45,U+4E4B,U+4E4E,U+4E5F,U+4E8C,U+4EE5,U+4F0A,U+4FDD,U+516B,U+5229,U+52A0,U+5442,U+548C,U+591A,U+5929,U+592A,U+5948,U+5973,U+5974,U+5B87,U+5B89,U+5BF8,U+5C13,U+5DDD,U+5DE6,U+5DF1,U+5E7E,U+6563,U+65BC,U+65E0,U+66FE,U+672B,U+6B62,U+6B66,U+6BD4,U+6BDB,U+6C5F,U+6CE2,U+6D41,U+725F,U+7531,U+7559,U+77E5,U+793C,U+7962,U+7F8E,U+826F,U+8863,U+8A08,U+9060,U+90E8,U+963F,U+9808}
@font-face{font-family:'Klee One';font-style:normal;font-weight:600;src:local('Klee One SemiBold'),url(assets/KleeOne-600-kana.woff2) format('woff2');unicode-range:U+0020,U+0061-0079,U+3041-3093,U+30A1-30F6,U+4E07,U+4E09,U+4E0D,U+4E0E,U+4E16,U+4E43,U+4E45,U+4E4B,U+4E4E,U+4E5F,U+4E8C,U+4EE5,U+4F0A,U+4FDD,U+516B,U+5229,U+52A0,U+5442,U+548C,U+591A,U+5929,U+592A,U+5948,U+5973,U+5974,U+5B87,U+5B89,U+5BF8,U+5C13,U+5DDD,U+5DE6,U+5DF1,U+5E7E,U+6563,U+65BC,U+65E0,U+66FE,U+672B,U+6B62,U+6B66,U+6BD4,U+6BDB,U+6C5F,U+6CE2,U+6D41,U+725F,U+7531,U+7559,U+77E5,U+793C,U+7962,U+7F8E,U+826F,U+8863,U+8A08,U+9060,U+90E8,U+963F,U+9808}

*{margin:0;padding:0;box-sizing:border-box}
body{
  font-family:system-ui,-apple-system,BlinkMacSystemFont,sans-serif;
  background:#f5f5f7;color:#1d1d1f;overflow:hidden;height:100vh;width:100vw;
  -webkit-font-smoothing:antialiased;
}
svg{display:block}
svg:active{cursor:grabbing}
#graph{width:100%;height:100vh;cursor:grab}
.link{fill:none;stroke-width:3;cursor:default;transition:all .3s}
.link.hl{stroke:#f5a623!important;filter:drop-shadow(0 0 5px #f5a623)}
.link-label{fill:#86868b;pointer-events:none;opacity:.6}
.node{cursor:pointer}
.node circle{stroke:#fff;stroke-width:2;transition:opacity .3s}
.node text{
  text-anchor:middle;pointer-events:none;fill:#fff;user-select:none
}

body:not(.font-disconnected) .node text,
body:not(.font-disconnected) .ku-c,
body:not(.font-disconnected) .ku-o,
body:not(.font-disconnected) .ku-r,
body:not(.font-disconnected) .romaji
{font-family:'Zen Kaku Gothic New',sans-serif !important;font-weight:400 !important}

body.font-disconnected .node text,
body.font-disconnected .ku-c,
body.font-disconnected .ku-o,
body.font-disconnected .ku-r,
body.font-disconnected .romaji
{font-family:'Klee One',sans-serif !important;font-weight:600 !important}

.card{
  position:fixed;bottom:100px;left:50%;transform:translateX(-50%) translateY(20px);
  background:rgba(255,255,255,.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-radius:20px;padding:28px 40px;
  box-shadow:0 8px 40px rgba(0,0,0,.12),0 0 0 1px rgba(0,0,0,.06);
  z-index:20;text-align:center;opacity:0;visibility:hidden;
  transition:all .35s cubic-bezier(.22,1,.36,1);min-width:200px;
}
.card.visible{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.card .kana-char{font-size:56px;line-height:1;font-weight:400;display:flex;justify-content:center;gap:8px;align-items:flex-start}
.ku{display:inline-flex;flex-direction:column;align-items:center}
.ku .ku-l{font-size:11px;color:#86868b;letter-spacing:.3px;line-height:1.2}
.ku .ku-c{font-size:56px;line-height:1.1}
.ku .ku-o{font-size:24px;color:#1d1d1f;line-height:1.2}
.ku-r{font-size:36px;display:inline-flex;align-items:center;padding:0 12px;align-self:center}
.card .romaji{font-size:18px;color:#86868b;margin-top:2px;letter-spacing:.5px}
.card .close-btn{
  position:absolute;top:8px;right:12px;background:none;border:none;
  cursor:pointer;font-size:20px;color:#86868b;padding:4px;line-height:1;
}
.filter-bar{
  position:fixed;top:20px;left:50%;transform:translateX(-50%);display:flex;align-items:center;
  background:rgba(255,255,255,.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-radius:12px;padding:4px;
  box-shadow:0 2px 20px rgba(0,0,0,.08),0 0 0 1px rgba(0,0,0,.04);z-index:10;gap:2px;
}
.filter-btn{
  padding:7px 4px;min-width:44px;border:none;background:transparent;border-radius:8px;
  cursor:pointer;font-size:13px;font-weight:500;color:#86868b;
  transition:all .25s;white-space:nowrap;display:flex;align-items:center;justify-content:center;
}
.filter-btn:hover{color:#1d1d1f}
.filter-btn.active{background:#1d1d1f;color:#fff}
.filter-btn svg{display:block;width:15px;height:15px}
.filter-sep{width:1px;height:18px;background:#d2d2d7;margin:0 4px;align-self:center}
.font-a-btn{
  padding:7px 4px;min-width:44px;border:none;background:transparent;border-radius:8px;
  cursor:pointer;font-size:13px;font-weight:500;color:#86868b;
  transition:all .25s;display:flex;align-items:center;justify-content:center;
}
.font-a-btn:hover{color:#1d1d1f}
.font-a-btn.active{background:#1d1d1f;color:#fff}
.font-a-btn svg{display:block;width:15px;height:15px}
.nav-hint{
  position:fixed;bottom:100px;left:50%;transform:translateX(-50%);
  font-size:12px;color:#86868b;z-index:5;letter-spacing:.3px;
  transition:opacity 1s;pointer-events:none;
}

.dist-slider-bar{
  position:fixed;bottom:24px;right:24px;z-index:15;
  display:flex;flex-direction:column;align-items:center;gap:6px;
  background:rgba(255,255,255,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-radius:16px;padding:10px 8px;
  box-shadow:0 2px 16px rgba(0,0,0,.12),0 0 0 1px rgba(0,0,0,.06);
  font-size:11px;color:#86868b;
}
.dist-slider{
  width:4px;height:90px;cursor:pointer;accent-color:#86868b;
  writing-mode:vertical-lr;direction:rtl;
}
.dist-slider-val{font-size:10px;font-variant-numeric:tabular-nums;user-select:none;pointer-events:none}
.dist-slider-foot{display:flex;flex-direction:column;align-items:center;gap:4px}
.eye-btn{
  width:26px;height:26px;border-radius:50%;border:1px solid #c7c7cc;
  background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;
  color:#86868b;transition:all .25s;
}
.eye-btn:hover{border-color:#86868b}
.eye-btn svg{display:block;width:14px;height:14px}
.eye-btn.on{background:#1d1d1f;border-color:#1d1d1f;color:#fff}
.dist-info{
  position:absolute;right:calc(100% + 8px);top:50%;transform:translateY(-50%);
  background:rgba(255,255,255,.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-radius:10px;padding:8px 14px;font-size:11px;color:#1d1d1f;
  white-space:nowrap;z-index:20;box-shadow:0 2px 12px rgba(0,0,0,.1);
  pointer-events:auto;display:none;line-height:1.5
}
.dist-info.visible{display:block}
.font-tip{
  position:absolute;top:calc(100% + 6px);left:50%;transform:translateX(-50%);
  background:rgba(255,255,255,.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-radius:8px;padding:4px 10px;font-size:11px;color:#1d1d1f;
  white-space:nowrap;z-index:20;box-shadow:0 2px 8px rgba(0,0,0,.1);
  pointer-events:none;opacity:0;transition:opacity .2s;line-height:1.4
}
.font-tip.show{opacity:1}

.footer{
  position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:5;
  display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:0 6px;
  font-size:10px;color:#86868b;text-align:center;white-space:normal;user-select:none;
}
.footer a{color:#86868b;text-decoration:none;margin:0 2px}
.footer a:hover{color:#1d1d1f}
@media(max-width:480px){
  .footer{flex-direction:column;gap:1px 0}
  .sep{display:none}
}

@media(prefers-color-scheme:dark){
  body{background:#1c1c1e;color:#f5f5f7}
  .link{stroke:#38383a}
  .link.hl{stroke:#ff9f0a!important;filter:drop-shadow(0 0 6px #ff9f0a)}
  .link-label{fill:#98989d}
  .card{background:rgba(44,44,46,.92);box-shadow:0 8px 40px rgba(0,0,0,.4),0 0 0 1px rgba(255,255,255,.06)}
  .card .romaji,.card .close-btn,.ku-r{color:#98989d}
  .card .kana-char,.ku .ku-c{color:#f5f5f7}
  .ku .ku-o{color:#98989d}
  .filter-bar{background:rgba(44,44,46,.85);box-shadow:0 2px 20px rgba(0,0,0,.15),0 0 0 1px rgba(255,255,255,.04)}
  .filter-btn{color:#98989d}
  .filter-btn:hover{color:#f5f5f7}
  .filter-btn.active{background:#f5f5f7;color:#1c1c1e}
  .font-a-btn{color:#98989d}
  .font-a-btn:hover{color:#f5f5f7}
  .font-a-btn.active{background:#f5f5f7;color:#1c1c1e}
  .nav-hint,.footer,.footer a{color:#98989d}
  .footer a:hover{color:#f5f5f7}

  .dist-slider-bar{background:rgba(44,44,46,.9);color:#98989d;box-shadow:0 2px 16px rgba(0,0,0,.4),0 0 0 1px rgba(255,255,255,.06)}
  .dist-slider{accent-color:#98989d}
  .eye-btn{border-color:#38383a;color:#98989d}
  .eye-btn:hover{border-color:#f5f5f7;color:#f5f5f7}
  .eye-btn.on{background:#f5f5f7;border-color:#f5f5f7;color:#1c1c1e}
  .dist-info{background:rgba(44,44,46,.92);color:#f5f5f7}
  .font-tip{background:rgba(44,44,46,.92);color:#f5f5f7}
}