*{box-sizing:border-box}
:root{
  --text:#172033;
  --muted:#667085;
  --line:#dfe6f0;
  --line-soft:#eff3f4;
  --blue:#1d9bf0;
  --blue-dark:#1a8cd8;
  --violet:#7c3aed;
  --shadow:0 16px 34px rgba(15,23,42,.08);
}
html,body{margin:0;min-height:100%}
body{min-height:100vh;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Yu Gothic",sans-serif;color:var(--text);background:#f6f8fb;padding:18px 18px 74px}
.site-header{width:min(1280px,100%);position:relative;margin:0 auto 16px;padding:14px 18px 13px;border:1px solid rgba(15,23,42,.10);border-radius:28px;background:rgba(255,255,255,.90);box-shadow:var(--shadow);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.header-inner{min-width:0;display:flex;flex-direction:column;gap:8px}.header-top-tags{display:flex;align-items:center;flex-wrap:wrap;gap:6px;min-width:0}.portal-link-wrap{position:relative;display:inline-flex;align-items:center}.portal-link,.header-pill{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:11.5px;font-weight:750;line-height:1.35;white-space:nowrap;text-decoration:none}.portal-link{border:1px solid rgba(15,23,42,.10);background:rgba(255,255,255,.68);color:#0ea5e9;box-shadow:0 4px 14px rgba(15,23,42,.08);transition:transform 160ms ease,background 160ms ease,border-color 160ms ease,box-shadow 160ms ease}.portal-link:hover{transform:translateY(-2px);border-color:rgba(29,155,240,.48);background:rgba(29,155,240,.12);box-shadow:0 14px 28px rgba(29,155,240,.16)}
.portal-link-wrap::after{content:"TRPG Webツール観測所に戻る";position:absolute;left:0;top:calc(100% + 9px);z-index:9999;min-width:178px;padding:8px 10px;border-radius:10px;background:rgba(15,23,42,.94);color:#fff;font-size:12px;font-weight:800;line-height:1.3;box-shadow:0 12px 24px rgba(15,23,42,.18);opacity:0;visibility:hidden;transform:translateY(-4px);transition:opacity 160ms ease,transform 160ms ease,visibility 160ms ease;pointer-events:none}.portal-link-wrap::before{content:"";position:absolute;left:18px;top:calc(100% + 4px);z-index:10000;border-left:6px solid transparent;border-right:6px solid transparent;border-bottom:6px solid rgba(15,23,42,.94);opacity:0;visibility:hidden;transform:translateY(-4px);transition:opacity 160ms ease,transform 160ms ease,visibility 160ms ease;pointer-events:none}.portal-link-wrap:hover::after,.portal-link-wrap:hover::before,.portal-link-wrap:focus-within::after,.portal-link-wrap:focus-within::before{opacity:1;visibility:visible;transform:translateY(0)}
.header-pill-cyan{border:1px solid rgba(29,155,240,.30);background:rgba(29,155,240,.10);color:#0ea5e9}.header-pill-violet{border:1px solid rgba(124,58,237,.24);background:rgba(124,58,237,.10);color:#6d28d9}.header-pill-amber{border:1px solid rgba(217,119,6,.28);background:rgba(217,119,6,.10);color:#b45309}.header-title-area{min-width:0}.site-title{margin:0;color:#172033;font-size:clamp(24px,3vw,34px);line-height:1.1;font-weight:800;letter-spacing:-.025em;display:flex;align-items:center;gap:10px}.site-title-icon{position:relative;display:inline-grid;place-items:center;width:42px;height:42px;border-radius:16px;background:linear-gradient(135deg,rgba(29,155,240,.18),rgba(124,58,237,.14));border:1px solid rgba(29,155,240,.24);box-shadow:0 8px 18px rgba(15,23,42,.08);line-height:1;flex:0 0 auto;overflow:hidden}.site-title-icon .icon-bird{position:absolute;left:8px;top:11px;width:25px;height:25px;color:#0f1419;transform:rotate(-8deg);filter:drop-shadow(0 2px 3px rgba(15,23,42,.14))}.site-title-icon .icon-bird svg{display:block;width:100%;height:100%;fill:currentColor}.site-title-icon .icon-star{position:absolute;right:5px;top:4px;color:var(--violet);font-size:15px;line-height:1;filter:drop-shadow(0 2px 3px rgba(124,58,237,.16))}.site-title-icon .icon-style-a{position:absolute;right:5px;bottom:3px;color:#0f1419;font-family:Georgia,"Times New Roman",serif;font-style:italic;font-weight:700;font-size:14px;line-height:1;transform:skew(-8deg);filter:drop-shadow(0 2px 3px rgba(15,23,42,.12))}.site-description{max-width:980px;margin:6px 0 0;color:#334155;font-size:13.5px;line-height:1.6}.site-description span{display:block}
.main,.app-shell{width:min(1280px,100%);height:calc(100vh - 270px);min-height:440px;margin:0 auto;display:grid;grid-template-columns:minmax(560px,1fr) minmax(460px,600px);gap:18px;align-items:stretch}.panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:var(--shadow)}.input-panel,.preview-panel{height:100%;min-height:0;overflow:auto}.panel h2{margin:0 0 14px;font-size:18px}.section{border-top:1px solid #e5edf5;padding-top:14px;margin-top:14px}.section:first-of-type{border-top:0;margin-top:0;padding-top:0}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.stacked-grid{margin-top:12px}.field-block{min-width:0}label{display:block;margin-bottom:6px;font-weight:800;font-size:13px;color:#172033}.hint{font-size:12px;color:var(--muted);margin:6px 0 0;line-height:1.5}input,select,textarea{width:100%;border:1px solid #cfd9de;border-radius:13px;padding:10px 12px;background:#fff;color:#172033;font:inherit}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 2px rgba(29,155,240,.15)}.custom-system-input{display:none;margin-top:8px}.custom-system-input.is-active{display:block}.section-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.suffix-checks{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.suffix-checks label{margin:0;font-size:12px;color:var(--muted)}.suffix-checks input{width:auto;margin-right:3px}.row{display:grid;grid-template-columns:92px 1fr 42px 42px;gap:8px;align-items:end;margin-bottom:8px}.participant-row{display:grid;grid-template-columns:96px 1fr 1fr 1fr 42px;gap:8px;align-items:end;margin-bottom:8px}.participant-container{margin-top:10px}.slot-field{order:1}.ho-field{order:2}.pc-field{order:3}.pl-field{order:4}.delete-field{order:5}.participant-row.name-order-plpc .pl-field{order:3}.participant-row.name-order-plpc .pc-field{order:4}.btns{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}button{border:0;border-radius:999px;padding:9px 13px;background:#e8f5fd;color:var(--blue);font-weight:800;cursor:pointer}button:hover{background:#dff1fb}.primary{background:var(--blue);color:#fff}.primary:hover{background:var(--blue-dark)}.subtle{background:#fff;color:#172033;border:1px solid #cfd9de}.danger,.danger-inline{background:#fee2e2;color:#991b1b}.add-inline{background:#dcfce7;color:#166534}.icon-button{width:42px;height:42px;padding:0;font-size:20px}.twitter-card{border:1px solid #cfd9de;border-radius:18px;overflow:visible;background:#fff}.tweet-head{display:grid;grid-template-columns:44px 1fr auto;gap:10px;align-items:center;padding:14px 16px 10px;border-bottom:1px solid var(--line-soft)}.tweet-head::after{content:'•••';color:var(--muted)}.avatar{width:44px;height:44px;border-radius:50%;background:#0f1419;position:relative}.avatar::after{content:'SR';position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-size:13px;font-weight:900}.account strong{display:block}.account span{color:var(--muted);font-size:13px}.font-toolbar{position:relative;z-index:9000;display:flex;gap:7px;flex-wrap:nowrap;overflow:visible;padding:10px 14px;border-bottom:1px solid var(--line-soft);background:#fff}.font-chip{position:relative;display:inline-grid;place-items:center;min-width:46px;height:32px;border:1px solid var(--line);border-radius:999px;background:#fff;color:#172033;font-size:17px;line-height:1;box-shadow:0 2px 8px rgba(15,23,42,.04);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.font-chip:hover,.font-chip.is-active{background:#e8f5fd;color:var(--blue);border-color:rgba(29,155,240,.32)}.font-chip::after{content:attr(data-tooltip);position:absolute;left:50%;bottom:calc(100% + 8px);z-index:100000;transform:translateX(-50%) translateY(4px);padding:6px 9px;border-radius:9px;background:rgba(15,23,42,.95);color:#fff;font-size:11px;font-weight:800;white-space:nowrap;opacity:0;visibility:hidden;pointer-events:none;transition:opacity 140ms ease,transform 140ms ease,visibility 140ms ease}.font-chip:hover::after{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}.f-sans-bi{font-style:italic;font-weight:900}.f-sans-b{font-weight:900}.f-sans-i{font-style:italic}.f-serif-bi{font-family:Georgia,"Times New Roman",serif;font-style:italic;font-weight:900}.f-serif-b{font-family:Georgia,"Times New Roman",serif;font-weight:900}.f-serif-i{font-family:Georgia,"Times New Roman",serif;font-style:italic}.f-smallcaps{font-variant:small-caps;letter-spacing:.03em}.f-typewriter{font-family:"Courier New",monospace}.f-modern{font-family:Arial,"Helvetica Neue",sans-serif;font-weight:500}.f-plain{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.preview-editor-wrap{display:grid;grid-template-columns:1fr 12px;align-items:stretch;border-bottom:1px solid var(--line-soft)}#tweetPreview{height:360px;min-height:180px;border:0;border-radius:0;resize:none;padding:16px 18px 12px 70px;line-height:1.55;overflow:auto;box-shadow:none}.preview-resize-handle{cursor:ns-resize;background:linear-gradient(180deg,transparent,rgba(29,155,240,.08),transparent);border-left:1px solid var(--line-soft);position:relative}.preview-resize-handle::after{content:"";position:absolute;left:50%;top:50%;width:4px;height:54px;border-radius:999px;background:rgba(29,155,240,.42);transform:translate(-50%,-50%)}.count-line{display:flex;justify-content:space-between;padding:8px 16px 8px 70px;color:var(--muted);font-size:13px}.count-ok{color:#00ba7c;font-weight:800}.count-bad{color:#f4212e;font-weight:800}.preview-actions{display:grid;grid-template-columns:repeat(4,1fr);padding:10px 14px 14px;border-top:1px solid var(--line-soft);margin:0}.preview-actions button{font-size:13px;padding:8px;white-space:nowrap}.ascii-preview-panel{background:linear-gradient(180deg,#fff,#fbfdff);border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:inset 0 1px 0 rgba(255,255,255,.9)}.ascii-group{margin-top:12px}.ascii-group:first-of-type{margin-top:0}.ascii-group-title{display:flex;align-items:center;gap:8px;margin-bottom:7px;color:var(--muted);font-size:11px;font-weight:900;letter-spacing:.08em}.ascii-group-title::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px rgba(29,155,240,.10)}.ascii-buttons{display:flex;flex-wrap:wrap;gap:7px}.ascii-buttons button{min-height:34px;padding:7px 11px;font-size:13px;background:#fff;border:1px solid var(--line);color:#334155;box-shadow:0 2px 8px rgba(15,23,42,.04);font-family:"Times New Roman","Yu Mincho","Hiragino Mincho ProN","Noto Serif JP","Apple Symbols","Segoe UI Symbol",serif;letter-spacing:.01em}.ascii-buttons button:hover{background:#f8fbff;color:var(--blue);border-color:rgba(29,155,240,.28)}.ascii-chip-wide{min-width:88px}.ascii-chip-line{min-width:118px}.ascii-chip-design{min-width:80px}.tool-footer-note{width:min(980px,100%);margin:8px auto 0;padding:0 10px 2px;background:transparent;border:0;border-radius:0;box-shadow:none;text-align:center;color:#64748b;opacity:.78}.tool-footer-note h2{display:inline;margin:0 6px 0 0;font-size:11.5px;font-weight:800;color:#475569}.tool-footer-note p{display:inline;margin:0;font-size:10.5px;line-height:1.45;color:#64748b}.tool-footer-note p+p::before{content:" / ";color:#94a3b8}.bottom-actions{position:fixed;left:50%;bottom:14px;transform:translateX(-50%);width:min(500px,calc(100% - 32px));display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:6px;background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:999px;box-shadow:0 4px 18px rgba(15,20,25,.10);z-index:20}.bottom-action-button{min-height:40px}
@media(max-width:760px){.site-header{padding:14px 14px 13px;border-radius:22px}.header-top-tags{gap:5px}.site-title{font-size:24px}.site-description{font-size:13px}}
@media(max-width:920px){body{padding:14px 12px 80px}.main,.app-shell{grid-template-columns:1fr;height:auto;min-height:0}.input-panel,.preview-panel{height:auto;max-height:none;min-height:0}.grid-2,.row,.participant-row{grid-template-columns:1fr}.preview-actions{grid-template-columns:1fr 1fr}#tweetPreview{height:320px;padding-left:16px}.count-line{padding-left:16px}.font-toolbar{overflow-x:auto}.portal-link-wrap::after{display:none}}

/* Header help / shortcut panels */
.header-actions{
  margin-left:auto;
  display:inline-flex;
  align-items:center;
  gap:6px;
  flex-wrap:wrap;
}
.header-action-button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:3px 11px;
  border:1px solid rgba(15,23,42,.10);
  border-radius:999px;
  background:rgba(255,255,255,.74);
  color:#334155;
  font-size:11.5px;
  font-weight:800;
  line-height:1.35;
  box-shadow:0 4px 14px rgba(15,23,42,.06);
  transition:transform 160ms ease,background 160ms ease,border-color 160ms ease,box-shadow 160ms ease,color 160ms ease;
}
.header-action-button:hover,
.header-action-button.is-active{
  transform:translateY(-1px);
  color:#0ea5e9;
  border-color:rgba(29,155,240,.40);
  background:rgba(29,155,240,.12);
  box-shadow:0 12px 24px rgba(29,155,240,.12);
}
.header-help-panels{
  position:relative;
  z-index:50;
}
.header-help-panel{
  margin-top:8px;
  padding:12px 14px;
  border:1px solid rgba(15,23,42,.10);
  border-radius:18px;
  background:rgba(255,255,255,.86);
  box-shadow:0 14px 30px rgba(15,23,42,.10);
  color:#334155;
}
.header-help-panel[hidden]{
  display:none !important;
}
.header-help-panel h2{
  margin:0 0 8px;
  color:#172033;
  font-size:14px;
  line-height:1.35;
}
.header-help-panel ol{
  margin:0;
  padding-left:1.25em;
}
.header-help-panel li,
.header-help-panel p,
.header-help-panel dd{
  margin:4px 0;
  color:#526072;
  font-size:12.5px;
  line-height:1.55;
}
.header-help-panel dl{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:8px;
  margin:0;
}
.header-help-panel dl div{
  padding:8px 9px;
  border:1px solid rgba(15,23,42,.08);
  border-radius:14px;
  background:rgba(248,251,255,.92);
}
.header-help-panel dt{
  margin:0 0 3px;
  color:#0f172a;
  font-size:12px;
  font-weight:900;
  line-height:1.35;
}
.header-help-panel dd{
  margin:0;
}
@media(max-width:760px){
  .header-actions{margin-left:0;width:100%}
  .header-action-button{flex:1}
  .header-help-panel dl{grid-template-columns:1fr}
}