:root{
  --bg:#0b1220;
  --bg2:#151e3e;
  --panel:rgba(17,24,50,.82);
  --line:rgba(255,255,255,.10);
  --text:#eef2ff;
  --muted:#b8c2e4;
  --mint:#87f0da;
  --blue:#7ea2ff;
  --blue2:#9ec6ff;
  --pink:#ff9bd0;
  --danger:#ff9db4;
  --ok:#78f2b9;
  --warn:#ffd36e;
  --shadow:0 24px 60px rgba(0,0,0,.28);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  min-height:100vh;
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Yu Gothic",sans-serif;
  background:
    radial-gradient(circle at top, rgba(126,162,255,.16), transparent 32%),
    linear-gradient(180deg, var(--bg2), var(--bg));
}
button,input,select,textarea{font:inherit}
a{color:inherit;text-decoration:none}
.page-shell{width:min(1240px, calc(100% - 24px));margin:18px auto 28px}
.panel{
  border:1px solid var(--line);
  border-radius:26px;
  background:linear-gradient(180deg, rgba(20,29,60,.84), rgba(12,18,42,.88));
  box-shadow:var(--shadow);
}
.hero{
  padding:18px 20px;
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:18px;
  margin-bottom:16px;
}
.eyebrow,.section-kicker{
  margin:0;
  color:var(--mint);
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
}
.hero h1{margin:6px 0 0;font-size:clamp(28px,3.8vw,44px);line-height:1.15}
.hero-sub{margin:10px 0 0;color:var(--muted);line-height:1.75}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.nav-btn,.action-btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 16px;border-radius:16px;border:1px solid var(--line);
  background:rgba(255,255,255,.06);color:var(--text);cursor:pointer;
  transition:transform .16s ease, background .16s ease, border-color .16s ease, opacity .16s ease;
}
.nav-btn:hover,.action-btn:hover{transform:translateY(-1px)}
.action-btn.primary{background:linear-gradient(135deg, rgba(126,162,255,.84), rgba(158,198,255,.84))}
.action-btn.accent{background:linear-gradient(135deg, rgba(255,155,208,.26), rgba(126,162,255,.24))}
.action-btn.danger{background:rgba(255,107,107,.14);border-color:rgba(255,107,107,.35)}
.action-btn:disabled{opacity:.48;cursor:not-allowed;transform:none!important}
.layout-grid{display:grid;grid-template-columns:minmax(0,1.22fr) minmax(320px,.78fr);gap:16px}
.send-panel,.status-panel,.tips-panel,.terms-panel{padding:18px}
.side-stack{display:grid;gap:16px;align-content:start}
.panel-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:14px}
.panel-head.compact{margin-bottom:12px}
.panel-head h2{margin:4px 0 0;font-size:clamp(24px,3vw,34px)}
.panel-head h3{margin:4px 0 0;font-size:22px}
.panel-badges{display:flex;gap:8px;flex-wrap:wrap}
.pill{
  display:inline-flex;align-items:center;gap:6px;min-height:32px;padding:0 10px;
  border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.05);
  font-size:12px;color:var(--muted)
}
.step-card{
  display:grid;grid-template-columns:52px 1fr;gap:14px;
  border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.04);
  padding:14px;margin-top:12px
}
.step-num{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  font-weight:900;font-size:20px;color:var(--text);
  background:linear-gradient(135deg, rgba(126,162,255,.22), rgba(255,155,208,.18));
  border:1px solid rgba(126,162,255,.24)
}
.step-body h3{margin:0 0 8px;font-size:20px}
.step-note,.mini-note{margin:0;color:var(--muted);font-size:12px;line-height:1.7}
.key-row,.field-grid,.zip-actions,.result-actions{
  display:grid;gap:10px;margin-top:12px
}
.key-row{grid-template-columns:minmax(0,280px) auto;align-items:end}
.key-actions{display:flex;gap:10px;flex-wrap:wrap}
.field-grid{grid-template-columns:minmax(0,220px) minmax(0,1fr)}
.field,.picker-left,.picker-box{display:grid;gap:6px}
.field-label{color:var(--muted);font-size:13px;font-weight:700}
.field-input{
  width:100%;min-height:46px;border-radius:16px;border:1px solid var(--line);
  background:rgba(255,255,255,.05);color:var(--text);padding:0 14px;outline:none
}
.field-input::placeholder{color:rgba(238,242,255,.40)}
.field-input option{background:#10182f;color:var(--text)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.picker-box{
  border:1px dashed rgba(255,255,255,.18);border-radius:18px;padding:12px;
  background:rgba(0,0,0,.10)
}
.picker-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 12px;border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.05);font-size:12px;color:var(--muted);max-width:100%
}
.chip strong{color:var(--text)}
.entry-list{display:grid;gap:10px;margin-top:12px}
.empty-box{
  margin-top:12px;border:1px dashed rgba(255,255,255,.16);border-radius:16px;
  background:rgba(255,255,255,.03);padding:14px;color:var(--muted);font-size:13px
}
.entry-card{
  border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.04);padding:12px;
  display:grid;gap:10px
}
.entry-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.entry-name{font-weight:800;word-break:break-all}
.entry-sub{font-size:12px;color:var(--muted);margin-top:4px}
.entry-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.entry-url{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:12px;word-break:break-all;text-decoration:underline;color:var(--blue2)
}
.entry-state{
  display:inline-flex;align-items:center;min-height:28px;padding:0 10px;border-radius:999px;
  font-size:12px;border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--muted)
}
.entry-state.ok{border-color:rgba(120,242,185,.35);background:rgba(120,242,185,.10);color:var(--ok)}
.entry-state.warn{border-color:rgba(255,211,110,.35);background:rgba(255,211,110,.10);color:var(--warn)}
.entry-state.ng{border-color:rgba(255,110,134,.40);background:rgba(255,110,134,.10);color:#ff9db4}
.result-card{
  margin-top:12px;border:1px solid rgba(126,162,255,.30);border-radius:18px;background:rgba(126,162,255,.10);
  padding:14px;display:grid;gap:12px
}
.result-card.hidden{display:none}
.result-meta{display:grid;gap:8px}
.result-url{font-size:12px;word-break:break-all;text-decoration:underline;color:var(--blue2)}
.status-box{
  min-height:120px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.05);
  padding:14px 16px;color:var(--muted);white-space:pre-wrap;line-height:1.7
}
.status-box.ok{border-color:rgba(120,242,185,.35);background:rgba(120,242,185,.10);color:#defbea}
.status-box.warn{border-color:rgba(255,211,110,.35);background:rgba(255,211,110,.10);color:#fff3ca}
.status-box.ng{border-color:rgba(255,110,134,.40);background:rgba(255,110,134,.10);color:#ffe0e7}
.info-list{display:grid;gap:10px}
.info-item{
  border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.04);
  padding:12px 14px;color:var(--muted);font-size:12px;line-height:1.7
}
.terms-details{
  border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.04);overflow:hidden
}
.terms-details summary{list-style:none;cursor:pointer;padding:14px 16px;font-weight:700}
.terms-details summary::-webkit-details-marker{display:none}
.terms-body{padding:0 16px 16px;color:var(--muted);font-size:12px;line-height:1.8}
.terms-body h4{margin:12px 0 6px;color:var(--text);font-size:13px}
.terms-body ul{margin:6px 0;padding-left:18px}
.footer-note{margin-top:16px;color:var(--muted);font-size:12px;line-height:1.7;text-align:center}
@media (max-width: 1040px){
  .layout-grid{grid-template-columns:1fr}
}
@media (max-width: 760px){
  .hero{flex-direction:column}
  .hero-actions{
    width:100%;display:grid;grid-template-columns:1fr 1fr;gap:8px
  }
  .hero-actions .nav-btn:last-child{grid-column:span 2}
  .step-card{grid-template-columns:1fr}
  .key-row,.field-grid{grid-template-columns:1fr}
}
@media (max-width: 640px){
  .page-shell{width:min(100%, calc(100% - 12px));margin-top:10px}
  .hero,.send-panel,.status-panel,.tips-panel,.terms-panel{padding:14px}
  .key-actions,.picker-actions,.entry-actions,.zip-actions,.result-actions{grid-template-columns:1fr}
  .key-actions,.picker-actions,.entry-actions,.zip-actions,.result-actions{display:grid}
}