:root{
  --case:#2b2e33;
  --case-hi:#43474f;
  --case-lo:#16181b;
  --rubber:#1c1e22;
  --lcd:#c88a2a;
  --lcd-bg:#3a2a12;
  --lcd-ink:#ffd58a;
  --lcd-dim:#7a5a28;
  --orange:#ff6a1f;
  --amber:#ff9b21;
  --red:#ff3b30;
  --green:#35d07f;
  --ivory:#e9e3d3;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Noto Sans JP",sans-serif;
  --dot:"DotGothic16",var(--mono);
  color-scheme:dark;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:var(--sans);
  background:radial-gradient(120% 80% at 50% 0%, #34373d 0%, #1a1c20 60%, #0d0e11 100%);
  min-height:100dvh;
  padding:10px 12px calc(28px + env(safe-area-inset-bottom));
  display:flex;flex-direction:column;align-items:center;gap:14px;
  color:var(--ivory);
  touch-action:manipulation;
}
.stage{width:100%;max-width:420px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ── 天面（アンテナ・ノブ） ─────────────── */
.top{position:relative;height:46px;margin:0 18px -8px;display:flex;align-items:flex-end;gap:14px;padding-left:14px}
.antenna{position:relative;width:16px;height:46px;flex:none;
  background:linear-gradient(90deg,#0f1013,#33363c 40%,#0f1013);
  border-radius:8px 8px 3px 3px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.05)}
.antenna::before{content:"";position:absolute;left:3px;right:3px;top:9px;height:26px;
  background:repeating-linear-gradient(#0a0b0d 0 2px,transparent 2px 5px);opacity:.75}
.antenna i{position:absolute;left:0;right:0;bottom:-3px;height:7px;border-radius:2px;background:#4b4f58}
.topknob{width:26px;height:30px;border-radius:5px 5px 0 0;flex:none;
  background:repeating-linear-gradient(90deg,#4a4e56 0 3px,#22252a 3px 5px);
  box-shadow:inset 0 2px 0 rgba(255,255,255,.14),0 -1px 0 #000}
.topknob.big{width:34px;height:36px;margin-left:auto}

/* ── 本体 ───────────────────────────── */
.radio{
  position:relative;
  border-radius:22px 22px 26px 26px;
  padding:16px 14px 18px;
  background:
    linear-gradient(170deg,var(--case-hi) 0%,var(--case) 12%,#25282d 70%,#1e2126 100%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.2),
    inset 0 -3px 8px rgba(0,0,0,.6),
    inset 8px 0 14px -10px rgba(0,0,0,.6),
    inset -8px 0 14px -10px rgba(0,0,0,.6),
    0 22px 44px rgba(0,0,0,.6);
  display:flex;flex-direction:column;gap:11px;
}
.radio::before{content:"";position:absolute;left:0;right:0;top:0;height:100%;border-radius:inherit;pointer-events:none;
  background:
    linear-gradient(90deg,rgba(0,0,0,.35) 0,transparent 8px calc(100% - 8px),rgba(0,0,0,.35) 100%);
  opacity:.6}
.screw{position:absolute;width:10px;height:10px;border-radius:50%;z-index:1;
  background:radial-gradient(circle at 35% 30%,#9aa0a8,#4c5058 60%,#2b2e34);
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.45),0 1px 1px rgba(255,255,255,.12)}
.screw.tl{left:10px;top:10px}.screw.tr{right:10px;top:10px}
.screw i{position:absolute;left:1px;right:1px;top:4px;height:0;border-top:1.5px solid rgba(0,0,0,.5);transform:rotate(38deg)}

/* ── ブランド ───────────────────────── */
.brand{display:flex;align-items:center;justify-content:center;gap:10px;padding:0 22px}
.brand b{font:800 13px/1 var(--sans);letter-spacing:.34em;color:#dfe3e8;text-shadow:0 1px 0 rgba(0,0,0,.6);padding-left:.34em}
.brand small{font:600 9px/1 var(--mono);letter-spacing:.18em;color:#7e848d}
.pwr{width:8px;height:8px;border-radius:50%;background:#204a2c;flex:none;box-shadow:inset 0 0 3px rgba(0,0,0,.8)}
.pwr.on{background:var(--green);box-shadow:0 0 8px 2px rgba(53,208,127,.55),inset 0 0 3px rgba(255,255,255,.5)}

/* ── LCD ───────────────────────────── */
.lcd{
  position:relative;border-radius:8px;padding:10px 12px 9px;cursor:pointer;overflow:hidden;
  background:
    radial-gradient(120% 90% at 50% 0%,#5a4118 0%,var(--lcd-bg) 55%,#2a1e0d 100%);
  box-shadow:
    inset 0 3px 10px rgba(0,0,0,.7),
    inset 0 0 0 3px #101114,
    inset 0 0 0 4px #3b3e45,
    0 1px 0 rgba(255,255,255,.08);
  color:var(--lcd-ink);
  font-family:var(--dot);
  text-shadow:0 0 6px rgba(255,190,90,.35);
  transition:background .3s,box-shadow .3s;
  user-select:none;-webkit-user-select:none;
}
.lcd::after{content:"";position:absolute;inset:4px;pointer-events:none;border-radius:5px;
  background:repeating-linear-gradient(0deg,rgba(0,0,0,.09) 0 1px,transparent 1px 3px);mix-blend-mode:multiply}
.lcd.tx{background:radial-gradient(120% 90% at 50% 0%,#6a2618 0%,#3a1610 55%,#2a100c 100%);color:#ffb9a2}
.glare{position:absolute;inset:4px;border-radius:5px;pointer-events:none;
  background:linear-gradient(112deg,rgba(255,255,255,.12) 0%,rgba(255,255,255,.03) 24%,transparent 44%)}
.row1{display:flex;align-items:baseline;gap:8px;font-size:12px;line-height:1;min-width:0}
.ch{display:inline-flex;align-items:baseline;gap:4px;flex:none}
.ch i{font-style:normal;font-size:10px;opacity:.75}
.ch b{font-size:22px;font-weight:400;line-height:1}
.bars{display:inline-flex;align-items:flex-end;gap:2px;height:14px;flex:none;margin-left:2px}
.bars i{width:4px;background:var(--lcd-dim);border-radius:1px}
.bars i:nth-child(1){height:5px}.bars i:nth-child(2){height:7px}.bars i:nth-child(3){height:9px}.bars i:nth-child(4){height:11px}.bars i:nth-child(5){height:13px}
.bars i.on{background:currentColor}
.stat{margin-left:auto;font-size:12px;letter-spacing:.06em;padding:2px 5px 1px;border-radius:2px;background:rgba(0,0,0,.18);flex:none}
.stat.rec{background:#ffb9a2;color:#3a1610;text-shadow:none;animation:txblink 1.1s steps(2) infinite}
.stat.play{background:var(--lcd-ink);color:var(--lcd-bg);text-shadow:none}
.stat.dry{background:rgba(255,213,138,.22);color:var(--lcd-ink)}
.stat.busy{opacity:.8;animation:txblink .8s steps(2) infinite}
@keyframes txblink{50%{opacity:.35}}
.time{font-size:12px;letter-spacing:.02em;flex:none}
.name{font-size:30px;line-height:1.05;margin-top:9px;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sub{font-size:14px;line-height:1.3;margin-top:2px;opacity:.9;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.info{font-size:12px;line-height:1.3;margin-top:7px;min-height:15px;opacity:.85;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.meter{display:grid;grid-template-columns:repeat(20,1fr);gap:2px;margin-top:8px;height:7px}
.meter i{background:var(--lcd-dim);opacity:.55;border-radius:1px}
.meter i.on{background:currentColor;opacity:1}
.meter i:nth-child(n+17).on{background:#ff8a5a}

/* ── スピーカー ─────────────────────── */
.grille{position:relative;height:38px;border-radius:6px;
  background:
    repeating-linear-gradient(0deg,#0b0c0e 0 3px,transparent 3px 7px),
    linear-gradient(#2a2d33,#1e2126);
  box-shadow:inset 0 2px 5px rgba(0,0,0,.7),0 1px 0 rgba(255,255,255,.08)}
.grille::before,.grille::after{content:"";position:absolute;top:0;bottom:0;width:22px;
  background:linear-gradient(#2f3238,#212429);border-radius:6px}
.grille::before{left:0}.grille::after{right:0}
.mic{position:absolute;right:8px;top:50%;width:5px;height:5px;margin-top:-2.5px;border-radius:50%;background:#0a0b0d;
  box-shadow:inset 0 1px 1px rgba(0,0,0,.9),0 1px 0 rgba(255,255,255,.1);z-index:1}

/* ── PTT＋トランスポート ──────────────── */
.transport{display:grid;grid-template-columns:2fr 1fr 1fr;gap:8px}
.key,.ptt{
  appearance:none;border:none;cursor:pointer;
  padding:11px 2px 12px;border-radius:7px;
  font-family:var(--sans);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  transition:transform .05s,box-shadow .05s;
  user-select:none;-webkit-user-select:none;
}
.key{
  background:linear-gradient(#3f434b,#26292f 62%,#1f2227);color:#d5dae0;
  box-shadow:0 4px 0 #0f1012,0 6px 8px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.14);
}
.key .ico{font-size:15px;line-height:1}
.key .lb{font:700 8.5px/1 var(--mono);letter-spacing:.08em;color:#8d939c}
.key:active,.key.down{transform:translateY(4px);box-shadow:0 0 0 #0f1012,0 1px 3px rgba(0,0,0,.5),inset 0 2px 4px rgba(0,0,0,.4)}
.key[disabled]{opacity:.42;pointer-events:none}
.ptt{
  touch-action:none;
  background:linear-gradient(#ff8a4a,#e8561a 60%,#c4420f);color:#fff;
  box-shadow:0 5px 0 #7a2a08,0 8px 12px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.45);
  background-image:
    radial-gradient(circle at center,rgba(0,0,0,.14) 1px,transparent 1.4px),
    linear-gradient(#ff8a4a,#e8561a 60%,#c4420f);
  background-size:6px 6px,100% 100%;
}
.ptt .ico{font-size:14px;line-height:1;text-shadow:0 0 6px rgba(255,255,255,.6)}
.ptt .lb{font:800 13px/1 var(--sans);letter-spacing:.32em;padding-left:.32em}
.ptt .hint{font:600 9px/1 var(--sans);opacity:1;letter-spacing:.02em;text-shadow:0 1px 2px rgba(90,20,0,.55)}
.ptt:active,.ptt.down,.ptt.armed{transform:translateY(5px);
  box-shadow:0 0 0 #7a2a08,0 1px 3px rgba(0,0,0,.5),inset 0 3px 6px rgba(0,0,0,.35)}
.ptt.armed{background-image:radial-gradient(circle at center,rgba(0,0,0,.14) 1px,transparent 1.4px),linear-gradient(#ff5a4a,#d9261a 60%,#a91a10);
  animation:pttglow 1.1s ease-in-out infinite}
@keyframes pttglow{50%{filter:brightness(1.18)}}
.ptt[disabled]{opacity:.5;pointer-events:none}

/* ── チャンネル ─────────────────────── */
.chans{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;
  background:linear-gradient(#1d1f24,#24272c);border-radius:9px;padding:8px;
  box-shadow:inset 0 2px 6px rgba(0,0,0,.6),0 1px 0 rgba(255,255,255,.08)}
.chan{
  appearance:none;border:none;cursor:pointer;border-radius:6px;padding:8px 4px 7px;
  user-select:none;-webkit-user-select:none;
  background:linear-gradient(#34383f,#25282d);color:#aeb5be;text-align:left;
  display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;column-gap:7px;align-items:center;
  box-shadow:0 2px 0 #121316,inset 0 1px 0 rgba(255,255,255,.1);
  transition:transform .05s,box-shadow .05s,background .15s;
  font-family:var(--sans);
}
.chan b{grid-row:1/3;font:800 18px/1 var(--mono);color:#949eab;width:16px;text-align:center}
.chan span{font:800 9.5px/1.1 var(--mono);letter-spacing:.04em;color:#d5dae0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.chan small{font:600 9px/1.2 var(--sans);color:#9198a2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chan:active{transform:translateY(2px);box-shadow:0 0 0 #121316,inset 0 2px 4px rgba(0,0,0,.4)}
.chan.on{background:linear-gradient(#7a5a1c,#5a4012);box-shadow:0 2px 0 #2a1e08,inset 0 1px 0 rgba(255,255,255,.18),0 0 12px rgba(255,155,33,.2)}
.chan.on b{color:var(--amber)}
.chan.on span{color:#ffe1b0}
.chan.on small{color:#d7b27a}
.chan[disabled]{opacity:.42;pointer-events:none}

/* ── ノブ ─────────────────────────── */
.dials{display:grid;grid-template-columns:1fr 1fr;gap:9px 12px;
  background:linear-gradient(#3b3f47,#2b2e34);border-radius:8px;padding:11px 12px 9px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.13),inset 0 -2px 5px rgba(0,0,0,.4)}
.dial{min-width:0}
.dial.wide{grid-column:1/-1;padding-bottom:6px;border-bottom:1px solid rgba(0,0,0,.35);box-shadow:0 1px 0 rgba(255,255,255,.06)}
.dial.wide label{color:#ffd493}
.dial.wide input[type=range]::-webkit-slider-runnable-track{background:linear-gradient(90deg,#1a1408,#6a4812)}
.dial.wide input[type=range]::-moz-range-track{background:linear-gradient(90deg,#1a1408,#6a4812)}
.dial label{display:flex;justify-content:space-between;align-items:baseline;gap:6px;
  font:700 9px/1 var(--mono);letter-spacing:.13em;color:#9fa6b0;margin-bottom:5px}
.dial label b{font:700 10px/1 var(--mono);color:var(--amber);letter-spacing:.02em;white-space:nowrap}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:22px;background:transparent;margin:0}
input[type=range]::-webkit-slider-runnable-track{height:6px;border-radius:3px;
  background:linear-gradient(#15171a,#22262c);box-shadow:inset 0 1px 3px rgba(0,0,0,.9)}
input[type=range]::-moz-range-track{height:6px;border-radius:3px;background:#15171a}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:17px;height:26px;margin-top:-10px;
  border-radius:3px;background:linear-gradient(#eef0f3,#a9aeb6 55%,#7d838c);
  box-shadow:0 2px 4px rgba(0,0,0,.6),inset 0 1px 0 #fff,inset 0 -6px 0 -5px rgba(0,0,0,.35)}
input[type=range]::-moz-range-thumb{width:17px;height:26px;border:none;border-radius:3px;background:linear-gradient(#eef0f3,#8f959d)}
input[type=range][disabled]{opacity:.45}

/* ── 効果ボタン ─────────────────────── */
.fx{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.fxb{
  appearance:none;border:none;cursor:pointer;border-radius:5px;padding:9px 2px;
  user-select:none;-webkit-user-select:none;
  background:linear-gradient(#34383f,#25282d);color:#969da6;
  font:700 10px/1.2 var(--sans);letter-spacing:.02em;white-space:nowrap;
  box-shadow:0 2px 0 #121316,inset 0 1px 0 rgba(255,255,255,.1);
  transition:transform .05s,box-shadow .05s,background .15s;
  position:relative;
}
.fxb::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;margin-right:5px;vertical-align:1px;
  background:#3e424a;box-shadow:inset 0 0 2px rgba(0,0,0,.8)}
.fxb.on{color:#ffe1b0}
.fxb.on::before{background:var(--amber);box-shadow:0 0 6px rgba(255,155,33,.8)}
.fxb:active{transform:translateY(2px);box-shadow:0 0 0 #121316,inset 0 2px 4px rgba(0,0,0,.4)}
.fxb[disabled]{opacity:.42;pointer-events:none}

/* ── サブ操作 ───────────────────────── */
.subrow{display:grid;grid-template-columns:1fr 1fr 1fr;gap:7px}
.tab{
  appearance:none;border:none;cursor:pointer;border-radius:5px;padding:10px 4px;
  user-select:none;-webkit-user-select:none;
  background:linear-gradient(#e2e5ea,#b7bcc4 62%,#9aa0a8);color:#2c2f35;
  font:700 10.5px/1.35 var(--sans);letter-spacing:.04em;
  box-shadow:0 3px 0 #5c616a,0 5px 8px rgba(0,0,0,.4),inset 0 1px 0 rgba(255,255,255,.85);
  transition:transform .05s,box-shadow .05s;
}
.tab:active{transform:translateY(3px);box-shadow:0 0 0 #5c616a,inset 0 2px 4px rgba(0,0,0,.28)}
.tab.on{background:linear-gradient(#ffd7a3,#e9a85a 62%,#c98a3d);color:#3a2408}
.tab[disabled]{opacity:.42;pointer-events:none}
#file{display:none}

/* ── まとめて書き出し ─────────────────── */
.batch{display:flex;flex-direction:column;gap:7px;border-radius:8px;padding:9px 9px 9px;
  background:linear-gradient(#1d1f24,#24272c);box-shadow:inset 0 2px 6px rgba(0,0,0,.6),0 1px 0 rgba(255,255,255,.08)}
.batch[hidden]{display:none}
.bhead{display:flex;justify-content:space-between;align-items:center;padding:0 2px}
.bhead span{font:700 9px/1 var(--mono);letter-spacing:.16em;color:#9fa6b0}
.bhead b{color:var(--amber);font-size:11px}
.bclear{appearance:none;border:none;background:none;cursor:pointer;font:700 10px/1 var(--sans);color:#8d939c;padding:4px 6px;border-radius:4px}
.bclear:hover{color:#ffd493}
.bclear[disabled]{opacity:.4;pointer-events:none}
.blist{display:flex;flex-direction:column;gap:4px;max-height:168px;overflow-y:auto;overscroll-behavior:contain}
.brow{appearance:none;border:none;cursor:pointer;border-radius:5px;padding:7px 9px;text-align:left;user-select:none;-webkit-user-select:none;
  background:linear-gradient(#34383f,#2a2d33);color:#c9cfd7;display:grid;grid-template-columns:auto 1fr auto;gap:9px;align-items:baseline;
  box-shadow:0 1px 0 #121316,inset 0 1px 0 rgba(255,255,255,.08);font-family:var(--sans)}
.brow i{font:700 10px/1 var(--mono);color:#959eab;font-style:normal}
.brow span{font:700 11px/1.2 var(--mono);letter-spacing:.03em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.brow small{font:600 10px/1 var(--mono);color:#969ea8}
.brow.on{background:linear-gradient(#7a5a1c,#5a4012);color:#ffe1b0}
.brow.on i,.brow.on small{color:#d7b27a}
.tab.zip{width:100%;padding:11px 8px;font-size:11px}

/* ── メッセージ・フッター ─────────────── */
.msg{max-width:420px;width:100%;text-align:left;font-size:11.5px;line-height:1.75;color:#8d939c;padding:0 8px;margin:14px 0 0}
.msg-line{display:block}
.msg-line + .msg-line{margin-top:4px}
.msg b{color:var(--amber);font-weight:700}
.site-footer{max-width:420px;width:100%;padding:16px 8px 0;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-direction:column;align-items:center;gap:12px;font-size:10.5px;color:#666d76}
.site-footer a{color:#8d939c;text-decoration:none}
.site-footer a:hover{color:var(--amber)}
.guide-link{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:10px 18px;border:1px solid #4a4f58;
  border-radius:6px;background:linear-gradient(#3f434b,#292c32);box-shadow:0 2px 0 #17191d,inset 0 1px 0 rgba(255,255,255,.12);
  color:#d5dae0!important;font-size:11px;font-weight:700;letter-spacing:.04em}
.guide-link:hover{border-color:#76603b;color:var(--amber)!important}
.footer-links{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:4px 8px}
.footer-links .sep{color:#484d55;user-select:none}
.toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);
  background:#0e1013;color:var(--ivory);border:1px solid #3a3e45;border-radius:8px;
  padding:10px 16px;font-size:12.5px;box-shadow:0 10px 30px rgba(0,0,0,.6);
  opacity:0;pointer-events:none;transition:.25s;z-index:9;max-width:calc(100vw - 32px);width:max-content;text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}
.drop{position:fixed;inset:0;background:rgba(10,11,13,.86);z-index:20;display:none;align-items:center;justify-content:center;
  font:700 15px var(--sans);color:var(--amber);letter-spacing:.05em}
.drop.show{display:flex}
button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--amber);outline-offset:3px}
@media (max-width:360px){
  .fx{grid-template-columns:repeat(3,1fr)}
  .name{font-size:26px}
  /* 3列だと和文のチャンネル名が省略されるため、狭い画面では2列にする */
  .chans{grid-template-columns:repeat(2,1fr)}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}