/*
 * FX価格帯別出来高ボード（VOLUME CONCENTRATION MONITOR）
 *
 * 配色は html 要素の data-theme で切り替える（FX市場時間クロックと同じ方式）。
 *   data-theme="dark"  … サイバーHUD（既定）
 *   data-theme="light" … シンプル（外為どっとこむの板に近い、ブロック表示）
 *
 * マークアップは両テーマ共通。共通の骨組みを先に書き、見た目はテーマごとの
 * ブロック（[data-theme="light"] / [data-theme="dark"]）に分けて書く。
 * 片方のテーマを直しても、もう片方に影響しないようにするため。
 *
 * 旧デザインのCSSは style_2026-11-03_bk.css に残してある。
 */

/* =========================================================
   共通の骨組み
   ========================================================= */
*{box-sizing:border-box}
body{margin:0;font-size:14px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{text-decoration:none}
main{position:relative;z-index:1;max-width:1180px;padding:32px 24px;margin:auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.intro{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:24px}
.intro-main{display:flex;align-items:flex-start;gap:14px;min-width:0}
.intro-side{display:flex;flex-direction:column;align-items:flex-end;gap:8px;text-align:right}
h1{margin:0}
.lead{margin:0}

.vb-theme{display:inline-flex;align-items:stretch;padding:0;cursor:pointer;font:inherit;background:transparent}
.vb-theme .opt{display:inline-flex;align-items:center;gap:6px;white-space:nowrap}

.board-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}
.board{position:relative;min-width:0}
.board-table{border-collapse:collapse;width:100%;table-layout:fixed}
.board-table td{padding:0}
.board-table .side{position:relative}
.board-table .s-up .bar{margin-left:auto}
.board-table .bar{display:block}
.board-table .rate{position:relative;text-align:center;white-space:nowrap;font-variant-numeric:tabular-nums}
.board-table .mark{position:absolute;left:3px;top:50%;transform:translateY(-50%);font-size:8px;line-height:1}
.board-table .spot{display:none}
.poc-list{margin:0}
.poc-list > div{display:flex;justify-content:space-between;align-items:center;gap:10px}
.poc-list dt,.poc-list dd{margin:0}
.poc-list dd{font-variant-numeric:tabular-nums}

.group-nav{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px}
.group-nav a{display:inline-flex;align-items:center;gap:7px}
.board-group{margin-bottom:8px;scroll-margin-top:16px}
main .board-group h2.group-title{display:flex;align-items:center;gap:12px;margin:0 0 12px}
main .board-group h2.group-title::after{content:"";flex:1;height:1px}

.panel{position:relative;margin-bottom:20px}
.howto h2{margin:0}
.howto-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:6px}
.howto-note{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.howto h3{margin:20px 0 6px}
.howto p{margin:0}

footer{position:relative;z-index:1;text-align:center;padding:20px 20px 36px;font-size:11px}
footer p{max-width:720px;margin:10px auto 0;line-height:1.8}

.vb-tip{position:fixed;z-index:1000;pointer-events:none;display:flex;flex-direction:column;gap:2px;padding:8px 11px;font-size:11px;line-height:1.45}
.vb-tip[hidden]{display:none}
.vb-tip b{font-size:13px}

/* =========================================================
   シンプル（light）… 以前の明るい配色をそのまま再現する
   ========================================================= */
:root[data-theme="light"]{
  --bg:#f4f6fa;--ink:#17243c;--muted:#6b7890;--accent:#3264df;--line:#e4e9f1;
  --cell:#e8ecf2;--up:#29a9e0;--up-dk:#1e7fc2;--down:#f0640c;--down-dk:#d35400;
  --up-ghost:#a9ddf5;--down-ghost:#f7bc94;
  --mono:"Consolas","SF Mono",Menlo,"Roboto Mono",monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",Meiryo,sans-serif;
}
[data-theme="light"] body{background:var(--bg);color:var(--ink);font-family:var(--sans)}
[data-theme="light"] a{color:var(--accent)}

[data-theme="light"] .hud-pulse,
[data-theme="light"] .eyebrow .ver,
[data-theme="light"] .feed-state,
[data-theme="light"] .feed-sep,
[data-theme="light"] .k-en,
[data-theme="light"] .bh-cap,
[data-theme="light"] .bh-spot,
[data-theme="light"] .dia,
[data-theme="light"] .cur-tag,
[data-theme="light"] .gt-en,
[data-theme="light"] .term-tag,
[data-theme="light"] .howto h2 .en{display:none}

[data-theme="light"] .eyebrow{font-size:11px;font-weight:750;letter-spacing:1.7px;color:var(--accent);margin:0 0 8px;text-transform:uppercase}
[data-theme="light"] h1{font-size:30px;letter-spacing:-.3px;line-height:1.35;margin:0 0 10px;color:var(--ink)}
[data-theme="light"] .lead{color:var(--muted);font-size:13px;letter-spacing:.4px}
[data-theme="light"] .feed{font-size:12px;white-space:nowrap}
[data-theme="light"] .feed b{font-weight:400}
[data-theme="light"] .dot{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:8px;background:#2fa36b}
[data-theme="light"] .feed.stale .dot{background:#d59a30}
[data-theme="light"] .period{color:var(--muted);font-size:11px}
[data-theme="light"] .vb-theme{border:1px solid var(--line);border-radius:7px;overflow:hidden;color:var(--muted);font-size:11px}
[data-theme="light"] .vb-theme .opt{padding:5px 11px}
[data-theme="light"] .vb-theme .opt-ico{display:none}
[data-theme="light"] .vb-theme .opt-light{background:#eaf0fd;color:var(--accent);font-weight:700}
[data-theme="light"] .vb-theme:hover .opt-dark{color:var(--accent)}

[data-theme="light"] .notice{padding:11px 15px;border:1px solid #dbe3f4;background:#edf2fd;border-radius:8px;font-size:12px;margin-bottom:20px;color:#455b86}
[data-theme="light"] .notice.error{background:#fff1f1;border-color:#efc6c9;color:#a33344}
[data-theme="light"] .notice.past{background:#fff8e8;border-color:#ecdfbb;color:#866120}

[data-theme="light"] .group-nav a{padding:5px 13px;border:1px solid var(--line);border-radius:999px;font-size:12px;color:var(--muted)}
[data-theme="light"] .group-nav a span{font-family:var(--mono);font-size:10px;opacity:.7}
[data-theme="light"] .group-nav a:hover{color:var(--accent);border-color:var(--accent)}
[data-theme="light"] main .board-group h2.group-title{font-size:12px;font-weight:700;letter-spacing:2.4px;color:var(--muted)}
[data-theme="light"] main .board-group h2.group-title::after{background:var(--line)}
[data-theme="light"] .group-note{margin:-4px 0 14px;font-size:12px;line-height:1.75;color:var(--muted);max-width:760px}

[data-theme="light"] .board{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 16px 16px}
[data-theme="light"] .board-head{margin-bottom:13px}
[data-theme="light"] .board-head h3{margin:0;font-size:16px;font-weight:700;letter-spacing:.3px;color:var(--ink)}
[data-theme="light"] .board-meta{margin:3px 0 0;font-size:12px;color:var(--muted)}
[data-theme="light"] .board-meta b{color:var(--ink);font-size:14px;font-variant-numeric:tabular-nums}
[data-theme="light"] .board-meta span{font-size:10px;opacity:.75}

[data-theme="light"] .board-table th{font-size:10px;font-weight:650;padding:6px 0;background:#f7f9fc;border:1px solid var(--line);white-space:nowrap}
[data-theme="light"] .th-up{color:var(--up)}
[data-theme="light"] .th-down{color:var(--down)}
[data-theme="light"] .th-rate{color:var(--muted);width:5.4em}
[data-theme="light"] .board-table td{border:1px solid var(--cell);height:19px}
/* 5マスの罫線。以前の「1マス＝1セル」の見た目を、1つのセルの背景で描く */
[data-theme="light"] .board-table .side{
  background-image:linear-gradient(90deg,var(--cell) 1px,transparent 1px);
  background-size:20% 100%;background-position:-1px 0;background-repeat:repeat-x;
}
/* ブロック：バーの幅をブロック数×20%にし、その中に1マス分ずつ四角を並べる */
[data-theme="light"] .bar{
  --c:var(--up);
  width:calc(var(--n) * 20%);height:12px;
  background:linear-gradient(90deg,transparent 12%,var(--c) 12%,var(--c) 88%,transparent 88%) 0 0/calc(100% / var(--n)) 100% repeat-x;
}
[data-theme="light"] .down .bar{--c:var(--down)}
[data-theme="light"] .up.poc .bar{--c:var(--up-dk)}
[data-theme="light"] .down.poc .bar{--c:var(--down-dk)}
/* 反対側のレート寄りの1マスに出す空の枠 */
[data-theme="light"] .side.ghost::after{
  content:"";position:absolute;top:50%;margin-top:-6px;height:11px;width:calc(20% * .76);
}
[data-theme="light"] .s-up.ghost::after{right:calc(20% * .12);border:1px solid var(--up-ghost)}
[data-theme="light"] .s-down.ghost::after{left:calc(20% * .12);border:1px solid var(--down-ghost)}

[data-theme="light"] .rate{font-family:var(--mono);font-size:11.5px;padding:0 2px;color:var(--ink)}
[data-theme="light"] tr.round .rate,[data-theme="light"] tr.poc .rate{font-weight:700}
[data-theme="light"] tr.cur .rate{background:#d9ecf3;font-weight:700}
[data-theme="light"] .mk-up{color:var(--up-dk)}
[data-theme="light"] .mk-down{color:var(--down-dk)}

[data-theme="light"] .poc-list{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);font-size:11px}
[data-theme="light"] .poc-list > div + div{margin-top:3px}
[data-theme="light"] .poc-list dt{color:var(--muted);white-space:nowrap;letter-spacing:.3px}
[data-theme="light"] .poc-list .mark{margin-right:5px;font-size:8px}
[data-theme="light"] .poc-list dd{font-weight:700;font-family:var(--mono);color:var(--ink)}

[data-theme="light"] .panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px}
[data-theme="light"] .howto h2{font-size:17px;color:var(--ink)}
[data-theme="light"] .howto h3{font-size:13px;color:var(--ink)}
[data-theme="light"] .howto p{font-size:12px;color:var(--muted);line-height:1.8}
[data-theme="light"] .howto b{color:var(--ink)}
[data-theme="light"] .howto-note{margin-top:4px}

[data-theme="light"] footer{color:var(--muted)}
[data-theme="light"] footer a{color:var(--accent)}

[data-theme="light"] .vb-tip{background:#fff;border:1px solid var(--line);border-radius:6px;color:var(--ink);box-shadow:0 6px 18px rgba(23,36,60,.12)}
[data-theme="light"] .vb-tip.is-up b{color:var(--up-dk)}
[data-theme="light"] .vb-tip.is-down b{color:var(--down-dk)}

/* =========================================================
   サイバーHUD（dark・既定）
   ========================================================= */
:root,:root[data-theme="dark"]{
  --hbg:#030712;
  --hcard:rgba(10,16,31,.78);
  --cyan:#00f3ff;
  --magenta:#ff0055;
  --lime:#39ff14;
  --yellow:#ffe600;
  --amber:#ffb13d;
  --hline:rgba(0,243,255,.25);
  --hdim:#1e293b;
  --slate3:#cbd5e1;
  --slate4:#94a3b8;
  --slate5:#64748b;
  --orb:"Orbitron","Share Tech Mono",Consolas,monospace;
  --tech:"Share Tech Mono",Consolas,"SF Mono",Menlo,monospace;
  --jp:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",Meiryo,sans-serif;
}
[data-theme="dark"] body{
  background-color:var(--hbg);
  background-image:
    linear-gradient(rgba(0,243,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,243,255,.03) 1px,transparent 1px);
  background-size:30px 30px;background-position:center center;
  color:var(--slate3);font-family:var(--tech),var(--jp);
}
/* 走査線 */
[data-theme="dark"] body::before{
  content:"";position:fixed;inset:0;z-index:999;pointer-events:none;opacity:.6;
  background:
    linear-gradient(rgba(18,16,16,0) 50%,rgba(0,0,0,.25) 50%),
    linear-gradient(90deg,rgba(255,0,0,.03),rgba(0,255,0,.01),rgba(0,0,255,.03));
  background-size:100% 3px,6px 100%;
}
[data-theme="dark"] a{color:var(--cyan)}

/* 共通ヘッダーはこのページだけ暗くする（/assets/tool-header.css は変更しない） */
[data-theme="dark"] body .fx-site-header.fx-site-header{background:rgba(3,7,18,.92);border-bottom:1px solid rgba(0,243,255,.3);backdrop-filter:blur(8px)}
[data-theme="dark"] body .fx-site-header .fx-site-brand{color:#fff}
[data-theme="dark"] body .fx-site-header .fx-site-brand:hover{color:var(--cyan)}
[data-theme="dark"] body .fx-site-header .fx-site-nav a{color:var(--slate4)}
[data-theme="dark"] body .fx-site-header .fx-site-nav a:hover{color:var(--cyan)}
[data-theme="dark"] body .fx-site-header .fx-site-nav a.fx-site-tools{color:var(--cyan);border:1px solid rgba(0,243,255,.45);border-radius:4px;padding:5px 11px;background:rgba(0,243,255,.06)}

/* 角を切り落とした枠 */
[data-theme="dark"] .board,
[data-theme="dark"] .vb-theme,
[data-theme="dark"] .group-nav a{
  clip-path:polygon(0 10px,10px 0,calc(100% - 10px) 0,100% 10px,100% calc(100% - 10px),calc(100% - 10px) 100%,10px 100%,0 calc(100% - 10px));
}
[data-theme="dark"] .vb-theme,[data-theme="dark"] .group-nav a{
  clip-path:polygon(0 7px,7px 0,calc(100% - 7px) 0,100% 7px,100% calc(100% - 7px),calc(100% - 7px) 100%,7px 100%,0 calc(100% - 7px));
}

/* ---- 見出し（HUDのタイトルバー） ---- */
[data-theme="dark"] .intro{padding-bottom:20px;border-bottom:1px solid rgba(0,243,255,.18)}
[data-theme="dark"] .hud-pulse{flex:none;width:12px;height:36px;margin-top:4px;background:var(--cyan);box-shadow:0 0 12px rgba(0,243,255,.6);animation:hud-blink 2s ease-in-out infinite}
[data-theme="dark"] .eyebrow{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin:0}
[data-theme="dark"] .eyebrow .brand{font-family:var(--orb);font-weight:900;font-size:28px;line-height:1.15;letter-spacing:2px;color:#fff;text-shadow:0 0 8px rgba(0,243,255,.7)}
[data-theme="dark"] .eyebrow .ver{font-family:var(--tech);font-size:11px;color:var(--cyan);background:rgba(0,243,255,.1);border:1px solid rgba(0,243,255,.4);border-radius:3px;padding:1px 7px;letter-spacing:1px}
[data-theme="dark"] h1{margin:6px 0 2px;font-family:var(--jp);font-size:15px;font-weight:700;letter-spacing:.24em;color:rgba(0,243,255,.85)}
[data-theme="dark"] .lead{font-size:12px;color:var(--slate4);letter-spacing:.06em}

[data-theme="dark"] .feed{display:flex;align-items:center;gap:9px;padding:6px 12px;font-size:12px;background:rgba(0,0,0,.5);border:1px solid rgba(0,243,255,.2);border-radius:3px;white-space:nowrap}
[data-theme="dark"] .dot{position:relative;width:8px;height:8px;border-radius:50%;background:var(--lime)}
[data-theme="dark"] .dot::after{content:"";position:absolute;inset:0;border-radius:50%;background:var(--lime);animation:hud-ping 1.6s cubic-bezier(0,0,.2,1) infinite}
[data-theme="dark"] .feed-state{color:var(--lime);letter-spacing:1px}
[data-theme="dark"] .feed.stale .dot,[data-theme="dark"] .feed.stale .dot::after{background:var(--amber)}
[data-theme="dark"] .feed.stale .feed-state{color:var(--amber)}
[data-theme="dark"] .feed-sep{color:var(--slate5)}
[data-theme="dark"] .feed-last{color:var(--slate4)}
[data-theme="dark"] .feed-last .k-ja{display:none}
[data-theme="dark"] .feed-last b{color:#fff;font-weight:400}
[data-theme="dark"] .period{font-size:11px;color:var(--slate5)}

[data-theme="dark"] .vb-theme{border:1px solid var(--cyan);background:rgba(0,243,255,.08);color:var(--slate5);font-family:var(--tech);font-size:12px;letter-spacing:1.5px}
[data-theme="dark"] .vb-theme .opt{padding:6px 14px}
[data-theme="dark"] .vb-theme .opt-dark{color:var(--cyan);background:rgba(0,243,255,.12);text-shadow:0 0 6px rgba(0,243,255,.6)}
[data-theme="dark"] .vb-theme .opt-light{border-left:1px solid rgba(0,243,255,.35)}
[data-theme="dark"] .vb-theme:hover .opt-light{color:#fff}

[data-theme="dark"] .notice{padding:11px 15px;margin-bottom:20px;font-size:12px;border:1px solid rgba(0,243,255,.3);background:rgba(0,243,255,.06);color:#9fe9ff}
[data-theme="dark"] .notice.error{border-color:rgba(255,0,85,.5);background:rgba(255,0,85,.08);color:#ff8fb3}
[data-theme="dark"] .notice.past{border-color:rgba(255,177,61,.5);background:rgba(255,177,61,.08);color:#ffc470}

/* ---- グループ ---- */
[data-theme="dark"] .group-nav a{padding:6px 14px;font-size:12px;color:var(--slate3);background:rgba(10,16,31,.8);border:1px solid rgba(0,243,255,.3)}
[data-theme="dark"] .group-nav a span{font-family:var(--orb);font-size:10px;color:var(--cyan)}
[data-theme="dark"] .group-nav a:hover{color:#fff;border-color:var(--cyan);background:rgba(0,243,255,.12)}
[data-theme="dark"] main .board-group h2.group-title{font-size:13px;font-weight:700;letter-spacing:.14em;color:#fff}
[data-theme="dark"] main .board-group h2.group-title .gt-en{font-family:var(--orb);font-weight:800;letter-spacing:.16em;color:var(--cyan);text-shadow:0 0 8px rgba(0,243,255,.6)}
[data-theme="dark"] main .board-group h2.group-title::after{background:linear-gradient(90deg,rgba(0,243,255,.45),rgba(0,243,255,0))}
[data-theme="dark"] .group-note{margin:-4px 0 14px;font-size:12px;line-height:1.75;color:var(--slate4);max-width:760px;font-family:var(--jp)}

/* ---- カード ---- */
[data-theme="dark"] .board-grid{gap:20px}
[data-theme="dark"] .board{background:var(--hcard);border:1px solid rgba(0,243,255,.3);transition:border-color .25s}
[data-theme="dark"] .board:hover{border-color:rgba(0,243,255,.7);box-shadow:inset 0 0 24px rgba(0,243,255,.08)}
[data-theme="dark"] .board-head{display:flex;justify-content:space-between;align-items:flex-end;gap:10px;padding:12px 13px;background:rgba(0,0,0,.4);border-bottom:1px solid rgba(0,243,255,.2)}
[data-theme="dark"] .bh-cap{display:block;font-size:10px;letter-spacing:.08em;color:var(--slate4)}
[data-theme="dark"] .board-head h3{margin:1px 0 0;font-family:var(--orb);font-size:17px;font-weight:800;letter-spacing:.1em;color:#fff}
[data-theme="dark"] .bh-spot{text-align:right}
[data-theme="dark"] .bh-spot b{display:block;margin-top:1px;font-family:var(--orb);font-size:15px;font-weight:700;color:var(--lime);text-shadow:0 0 8px rgba(57,255,20,.45);font-variant-numeric:tabular-nums}
[data-theme="dark"] .board-meta{display:none}

[data-theme="dark"] .board-table{margin:0}
[data-theme="dark"] .board-table thead th{padding:7px 0;font-size:10.5px;font-weight:700;background:rgba(2,6,23,.6);border-bottom:1px solid var(--hdim)}
[data-theme="dark"] .th-up{color:var(--cyan)}
[data-theme="dark"] .th-down{color:var(--magenta)}
[data-theme="dark"] .th-rate{width:82px;color:var(--slate4);font-weight:400}
[data-theme="dark"] .board-table tbody tr:first-child td{padding-top:6px}
[data-theme="dark"] .board-table tbody tr:last-child td{padding-bottom:6px}
[data-theme="dark"] .board-table td{height:22px;border:0}
[data-theme="dark"] .board-table .side{padding:0 8px}

/* バー：細くて輪郭のはっきりした線。集中度で3段階に変える */
[data-theme="dark"] .bar{width:var(--w);height:10px}
[data-theme="dark"] .up.lv-low .bar{background:rgba(0,243,255,.35)}
[data-theme="dark"] .up.lv-mid .bar{background:var(--cyan)}
[data-theme="dark"] .up.lv-high .bar{background:var(--cyan);box-shadow:0 0 10px var(--cyan),0 0 20px var(--cyan);animation:pulse-cyan 1.5s infinite alternate}
[data-theme="dark"] .down.lv-low .bar{background:rgba(255,0,85,.35)}
[data-theme="dark"] .down.lv-mid .bar{background:var(--magenta)}
[data-theme="dark"] .down.lv-high .bar{background:var(--magenta);box-shadow:0 0 10px var(--magenta),0 0 20px var(--magenta);animation:pulse-magenta 1.5s infinite alternate}
/* 反対側のレート寄りに出す小さな四角 */
[data-theme="dark"] .side.ghost::after{content:"";position:absolute;top:50%;width:6px;height:6px;margin-top:-3px;background:var(--hdim)}
[data-theme="dark"] .s-up.ghost::after{right:8px}
[data-theme="dark"] .s-down.ghost::after{left:8px}

[data-theme="dark"] .rate{font-family:var(--tech);font-size:12px;font-weight:600;color:var(--slate3)}
[data-theme="dark"] tr.round .rate,[data-theme="dark"] tr.poc .rate{color:#fff}
[data-theme="dark"] .board-table .mark{display:none}
[data-theme="dark"] tbody tr.up,[data-theme="dark"] tbody tr.down{cursor:crosshair;transition:background-color .15s}
[data-theme="dark"] tbody tr.up:hover{background:rgba(0,243,255,.1)}
[data-theme="dark"] tbody tr.down:hover{background:rgba(255,0,85,.1)}
[data-theme="dark"] tbody tr.up:hover .rate{color:var(--cyan)}
[data-theme="dark"] tbody tr.down:hover .rate{color:var(--magenta)}

/* 現在値の行：グリーンのラインで控えめに示す */
[data-theme="dark"] tr.cur td{height:30px;background:rgba(57,255,20,.08);border-top:1px solid rgba(57,255,20,.4);border-bottom:1px solid rgba(57,255,20,.4)}
[data-theme="dark"] .cur-tag{display:block;font-size:10px;letter-spacing:.18em;color:rgba(57,255,20,.8);white-space:nowrap}
[data-theme="dark"] .s-up .cur-tag{text-align:right}
[data-theme="dark"] tr.cur .rate .lbl{display:none}
[data-theme="dark"] tr.cur .rate .spot{display:inline-block;padding:1px 5px;font-family:var(--orb);font-size:11px;font-weight:700;color:var(--lime);background:rgba(2,6,23,.8);border:1px solid rgba(57,255,20,.5);border-radius:3px}

/* 節目 */
[data-theme="dark"] .poc-list{padding:11px 13px;background:rgba(0,0,0,.5);border-top:1px solid rgba(0,243,255,.2);font-size:11.5px}
[data-theme="dark"] .poc-list > div + div{margin-top:6px}
[data-theme="dark"] .poc-list .mark{display:none}
[data-theme="dark"] .poc-up dt{color:var(--cyan)}
[data-theme="dark"] .poc-down dt{color:var(--magenta)}
[data-theme="dark"] .poc-up dt::before{content:"▲ ";font-size:9px}
[data-theme="dark"] .poc-down dt::before{content:"▼ ";font-size:9px}
[data-theme="dark"] .poc-list dd{padding:1px 8px;font-family:var(--tech);font-weight:700;color:#fff;border-radius:3px}
[data-theme="dark"] .poc-up dd{background:rgba(0,243,255,.1);border:1px solid rgba(0,243,255,.3)}
[data-theme="dark"] .poc-down dd{background:rgba(255,0,85,.1);border:1px solid rgba(255,0,85,.3)}

/* ---- 見方（ターミナル風） ---- */
[data-theme="dark"] .panel{
  margin-top:10px;padding:26px 24px 24px;
  background:rgba(10,16,31,.9);border:1px solid rgba(0,243,255,.4);
  box-shadow:inset 0 0 30px rgba(0,243,255,.06);
  clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,0 100%);
}
[data-theme="dark"] .term-tag{position:absolute;top:0;right:18px;padding:4px 12px;font-size:10px;letter-spacing:1px;color:var(--cyan);background:rgba(0,243,255,.18);border-left:1px solid var(--cyan);border-bottom:1px solid var(--cyan)}
[data-theme="dark"] .howto h2{font-family:var(--orb);font-size:18px;font-weight:700;letter-spacing:.06em;line-height:1.5;color:#fff}
[data-theme="dark"] .howto h2::before{content:">_";margin-right:10px;font-family:var(--tech);font-size:16px;color:var(--cyan);text-shadow:0 0 6px rgba(0,243,255,.7)}
[data-theme="dark"] .howto h2 .en{color:#fff}
[data-theme="dark"] .hw{padding-left:13px;border-left:2px solid rgba(0,243,255,.5)}
[data-theme="dark"] .hw-down{border-left-color:rgba(255,0,85,.5)}
[data-theme="dark"] .hw-cur{border-left-color:rgba(57,255,20,.5)}
[data-theme="dark"] .howto h3{display:flex;align-items:center;gap:8px;font-family:var(--jp);font-size:13px;font-weight:700}
[data-theme="dark"] .howto h3::before{content:"";flex:none;width:8px;height:8px;background:currentColor}
[data-theme="dark"] .hw-up h3{color:var(--cyan)}
[data-theme="dark"] .hw-down h3{color:var(--magenta)}
[data-theme="dark"] .hw-cur h3{color:var(--lime)}
[data-theme="dark"] .howto p{font-family:var(--jp);font-size:12px;line-height:1.85;color:var(--slate4)}
[data-theme="dark"] .howto b{color:var(--slate3)}
[data-theme="dark"] .howto-note{margin-top:22px;padding-top:2px;border-top:1px solid var(--hdim)}
[data-theme="dark"] .howto-note h3{color:#fff}

[data-theme="dark"] footer{color:var(--slate5)}
[data-theme="dark"] footer a{color:#8fd3e6}
[data-theme="dark"] footer a:hover{color:var(--cyan)}
[data-theme="dark"] footer p{font-family:var(--jp)}

[data-theme="dark"] .vb-tip{background:rgba(2,6,23,.95);border:1px solid var(--cyan);border-radius:3px;color:#fff;font-family:var(--tech);box-shadow:0 10px 30px rgba(0,0,0,.6)}
[data-theme="dark"] .vb-tip b{color:var(--cyan)}
[data-theme="dark"] .vb-tip.is-down{border-color:var(--magenta)}
[data-theme="dark"] .vb-tip.is-down b{color:var(--magenta)}
[data-theme="dark"] .vb-tip .tp-val{color:var(--yellow)}

@keyframes hud-blink{0%,100%{opacity:1}50%{opacity:.45}}
@keyframes hud-ping{75%,100%{transform:scale(2.4);opacity:0}}
@keyframes pulse-cyan{
  0%{box-shadow:0 0 8px var(--cyan),0 0 15px var(--cyan)}
  100%{box-shadow:0 0 15px var(--cyan),0 0 28px var(--cyan);filter:brightness(1.3)}
}
@keyframes pulse-magenta{
  0%{box-shadow:0 0 8px var(--magenta),0 0 15px var(--magenta)}
  100%{box-shadow:0 0 15px var(--magenta),0 0 28px var(--magenta);filter:brightness(1.3)}
}
@media (prefers-reduced-motion:reduce){
  [data-theme="dark"] .hud-pulse,
  [data-theme="dark"] .dot::after,
  [data-theme="dark"] .bar{animation:none!important}
}

/* =========================================================
   画面幅
   ========================================================= */
@media(max-width:1000px){
  .board-grid{grid-template-columns:repeat(2,1fr)}
  .intro{align-items:flex-start}
  .howto-grid{grid-template-columns:1fr;gap:4px}
  [data-theme="light"] h1{font-size:26px}
  [data-theme="dark"] .eyebrow .brand{font-size:22px}
}
@media(max-width:600px){
  main{padding:22px 14px}
  .intro{display:block}
  .intro-side{align-items:flex-start;text-align:left;margin-top:16px}
  .board-grid{grid-template-columns:1fr;gap:14px}
  .howto-note{grid-template-columns:1fr;gap:0}
  [data-theme="light"] h1{font-size:22px}
  [data-theme="light"] .lead{font-size:12px}
  [data-theme="light"] .panel{padding:17px}
  [data-theme="dark"] .eyebrow .brand{font-size:17px;letter-spacing:1px}
  [data-theme="dark"] .hud-pulse{height:28px;width:8px}
  [data-theme="dark"] h1{font-size:13px;letter-spacing:.14em}
  [data-theme="dark"] .feed{white-space:normal;flex-wrap:wrap}
  [data-theme="dark"] .panel{padding:22px 16px 18px}
  [data-theme="dark"] .term-tag{position:static;display:inline-block;margin:-6px 0 12px}
  [data-theme="dark"] .howto h2 .en{display:none}
}