:root {
  color-scheme: dark;
  --bg: #0d1014;
  --panel: #171c22;
  --panel-2: #20262e;
  --line: #343c47;
  --text: #f3f6f8;
  --muted: #aeb8c4;
  --accent: #ff9f1c;
  --accent-2: #ffc15b;
  --green: #36c98f;
  --blue: #55a9ff;
  --red: #ff6675;
  --yellow: #ffd166;
  --radius: 12px;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--text); }
body { min-width: 320px; }
button, input, select { font: inherit; }
button, select, input { min-height: 44px; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .5; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(1.35rem, 2vw, 1.9rem); margin-bottom: 4px; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1rem; }
.app-shell { min-height: 100vh; }
.sidebar {
  position: fixed; inset: 0 auto 0 0; width: 248px; padding: 22px 14px;
  background: #11151a; border-right: 1px solid var(--line); overflow-y: auto; z-index: 10;
}
.brand { padding: 0 10px 20px; }
.brand strong { display: block; color: var(--accent); font-size: 1.05rem; }
.brand span { color: var(--muted); font-size: .85rem; }
.nav-list { display: grid; gap: 5px; }
.nav-button {
  width: 100%; text-align: left; border: 0; border-radius: 9px; padding: 11px 13px;
  background: transparent; color: var(--text);
}
.nav-button:hover { background: var(--panel-2); }
.nav-button.active { background: var(--accent); color: #16110a; font-weight: 800; }
.sidebar-actions { display: grid; gap: 8px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); }
.main { margin-left: 248px; min-height: 100vh; }
.topbar {
  position: sticky; top: 0; z-index: 8; display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: 76px; padding: 14px clamp(16px, 3vw, 36px); background: rgba(13,16,20,.96);
  border-bottom: 1px solid var(--line);
}
.topbar p { margin: 0; color: var(--muted); }
.top-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.content { padding: clamp(16px, 3vw, 36px); max-width: 1500px; margin: auto; }
.mobile-nav, .robin-position { display: none; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(15px, 2vw, 24px); margin-bottom: 18px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 16px; }
.panel-head h2, .panel-head h3 { margin: 0; }
.grid { display: grid; gap: 14px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.field { display: grid; gap: 7px; align-content: start; }
.field > span, .field > label { font-weight: 700; }
.field small, .help { color: var(--muted); }
input, select {
  width: 100%; border: 1px solid #4a5563; border-radius: 8px; padding: 9px 11px;
  background: #0f1318; color: var(--text);
}
input:focus, select:focus, button:focus-visible { outline: 3px solid rgba(255,159,28,.35); outline-offset: 1px; border-color: var(--accent); }
.radio-row { display: flex; flex-wrap: wrap; gap: 8px; }
.radio-card { position: relative; flex: 1 1 130px; }
.radio-card input { position: absolute; opacity: 0; pointer-events: none; }
.radio-card span { display: grid; place-items: center; min-height: 48px; padding: 8px; text-align: center; border: 1px solid #4a5563; border-radius: 9px; background: #0f1318; }
.radio-card input:checked + span { border-color: var(--accent); background: #302312; color: var(--accent-2); font-weight: 800; }
.button { border: 1px solid transparent; border-radius: 9px; min-height: 44px; padding: 9px 15px; color: var(--text); background: var(--panel-2); font-weight: 750; }
.button.primary { background: var(--accent); color: #17110a; }
.button.secondary { border-color: #4c5663; }
.button.danger { background: #842d3b; color: white; }
.button.success { background: #176c50; }
.button.small { min-height: 38px; padding: 6px 11px; font-size: .9rem; }
.button.wide { width: 100%; }
.button-row { display: flex; flex-wrap: wrap; gap: 9px; align-items: center; }
.notice { border-left: 4px solid var(--blue); background: #152536; padding: 12px 14px; border-radius: 7px; }
.notice.warning { border-color: var(--yellow); background: #322a12; }
.notice.success { border-color: var(--green); background: #133126; }
.stats { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; }
.stat { background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 14px; }
.stat span { display: block; color: var(--muted); font-size: .82rem; margin-bottom: 4px; }
.stat strong { font-size: 1.35rem; overflow-wrap: anywhere; }
.overview-stats { grid-template-columns: 2fr repeat(5, minmax(0, 1fr)); }
.overview-stats .stat { display: flex; flex-direction: column; justify-content: center; text-align: center; }
.status { display: inline-flex; align-items: center; min-height: 28px; padding: 3px 9px; border-radius: 999px; font-size: .82rem; font-weight: 800; border: 1px solid currentColor; white-space: nowrap; }
.status.pending { color: var(--muted); }
.status.playing { color: var(--yellow); }
.status.done, .status.winner, .status.qualified { color: var(--green); }
.status.walkover { color: var(--blue); }
.status.withdrawn { color: var(--red); }
.table-wrap { width: 100%; overflow-x: auto; border: 1px solid var(--line); border-radius: 9px; }
table { width: 100%; border-collapse: collapse; min-width: 720px; background: #12171c; }
th, td { border-bottom: 1px solid var(--line); padding: 10px 11px; text-align: left; vertical-align: middle; }
th { position: sticky; top: 0; z-index: 2; background: #252c34; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
tr.clickable:hover td { background: #202832; }
tr.clickable { cursor: pointer; }
.rank-1 td:first-child, .rank-2 td:first-child { color: var(--accent-2); font-weight: 900; }
.player-list { display: grid; gap: 8px; margin-top: 12px; }
.player-row { display: grid; grid-template-columns: 44px minmax(0, 1fr) auto auto auto; gap: 8px; align-items: center; background: var(--panel-2); border-radius: 9px; padding: 8px; }
.player-row .number { text-align: center; color: var(--muted); font-weight: 800; }
.player-name { overflow-wrap: anywhere; }
.icon-button { width: 42px; height: 42px; border: 0; border-radius: 8px; background: var(--panel-2); color: var(--text); font-size: 1.3rem; }
.robin-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px; }
.robin-card { background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 12px; }
.robin-card h3 { display: flex; justify-content: space-between; gap: 8px; }
.member { display: grid; grid-template-columns: minmax(0,1fr) 120px; gap: 8px; align-items: center; margin-top: 8px; }
.bracket-scroll { overflow-x: auto; padding: 8px 4px 18px; }
.bracket-tree { position: relative; width: var(--tree-width); min-width: var(--tree-width); height: calc(var(--tree-height) + 80px); overflow: hidden; }
.bracket-tree::after { content: ''; position: absolute; inset: 0; pointer-events: none; }
.bracket-lines { position: absolute; inset: 0; width: var(--tree-width); height: calc(var(--tree-height) + 80px); overflow: visible; }
.bracket-lines path { fill: none; stroke: #d9dde3; stroke-width: 3; vector-effect: non-scaling-stroke; }
.round { position: absolute; top: 0; width: 240px; height: calc(var(--tree-height) + 40px); }
.round h3 { height: 40px; margin: 0; color: var(--accent-2); }
.round-body { position: relative; height: var(--tree-height); }
.bracket-match { position: absolute; left: 0; z-index: 1; width: 240px; transform: translateY(-50%); border: 1px solid var(--line); background: var(--panel-2); border-radius: 9px; overflow: hidden; cursor: pointer; }
.bracket-match:hover { border-color: var(--accent); }
.bracket-meta { padding: 7px 10px; color: var(--muted); font-size: .78rem; border-bottom: 1px solid var(--line); }
.bracket-player { display: flex; justify-content: space-between; gap: 8px; padding: 9px 10px; }
.bracket-player + .bracket-player { border-top: 1px solid var(--line); }
.bracket-player.win { color: var(--text); font-weight: 900; box-shadow: inset 0 0 0 3px var(--red); }
.bracket-player.lost { color: var(--muted); opacity: .42; }
.bracket-player.bye { color: var(--muted); }
.bracket-score { margin-left: auto; text-align: right; }
.tournament-winner { position: absolute; z-index: 1; width: 180px; text-align: center; }
.winner-heading { position: absolute; left: 0; top: 0; display: flex; width: 100%; flex-direction: column; align-items: center; transform: translateY(calc(-100% - 30px)); }
.winner-crown { color: #ffd33d; font-size: 3rem; line-height: 1; text-shadow: 0 2px 8px #000; }
.tournament-winner strong { color: #ffd33d; font-size: 1.35rem; letter-spacing: .08em; }
.tournament-winner b { display: block; width: 100%; padding: 10px 12px; border: 4px solid var(--accent); background: var(--panel-2); text-align: center; font-size: 1.05rem; transform: translateY(-50%); }
.format-grid { display: grid; gap: 8px; }
.format-row { display: grid; grid-template-columns: 120px repeat(4, minmax(0,1fr)); gap: 8px; align-items: center; }
.auto-value { display: flex; align-items: center; min-height: 44px; padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel-2); font-weight: 800; }
.reg-template-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 8px; }
.reg-template { padding: 9px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel-2); }
.reg-template select { min-height: 38px; padding: 6px 8px; font-size: .9rem; }
.round-format { display: grid; gap: 10px; padding: 14px; border: 1px solid var(--line); border-radius: 10px; }
.launch-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 18px; }
.launch-actions { margin-top: 16px; }
.result-list { display: grid; gap: 8px; }
.result-card { display: grid; grid-template-columns: 110px minmax(150px,1fr) 70px minmax(130px,auto); gap: 10px; align-items: center; width: 100%; padding: 12px; color: var(--text); background: var(--panel-2); border: 1px solid var(--line); border-radius: 9px; text-align: left; }
.result-card:hover { border-color: var(--accent); }
.player-tools { display: grid; gap: 14px; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.id-search { display: grid; grid-template-columns: minmax(180px,280px) auto; gap: 9px; align-items: end; }
.search-result { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; padding: 12px; border: 1px solid var(--line); border-radius: 9px; background: var(--panel-2); }
.search-result span { color: var(--muted); }
.search-result .button { margin-left: auto; }
.remember-player { display: flex; align-items: center; gap: 6px; white-space: nowrap; }
.remember-player input, .recall-table input { width: 22px; min-height: 22px; }
.saved-player-id { display: inline-block; color: var(--muted); }
.recall-actions { margin-top: 14px; }
.history-block + .history-block { margin-top: 18px; }
.robin-sheet { border-top: 5px solid var(--accent); }
.robin-count-label { font-weight: 900; font-size: 1.05rem; }
.robin-matrix { width: max-content; min-width: 100%; table-layout: fixed; }
.robin-matrix th, .robin-matrix td { position: static; height: 74px; padding: 6px; text-align: center; border-right: 1px solid var(--line); }
.robin-matrix thead th { position: sticky; top: 0; z-index: 3; height: 52px; }
.robin-matrix .player-heading { left: 0; z-index: 5; width: 210px; min-width: 210px; }
.robin-matrix .matrix-number { width: 76px; min-width: 76px; font-size: 1.25rem; }
.robin-matrix .matrix-player { position: sticky; left: 0; z-index: 2; width: 210px; min-width: 210px; text-align: left; background: #1a2027; }
.matrix-player b { display: inline-block; width: 28px; color: var(--accent-2); font-size: 1.15rem; }
.matrix-player span { overflow-wrap: anywhere; }
.matrix-cell { width: 76px; min-width: 76px; cursor: pointer; background: #11161b; }
.matrix-cell:hover { background: #29323c; }
.matrix-cell b { display: block; font-size: 1.45rem; line-height: 1.1; }
.matrix-cell small { display: block; margin-top: 5px; white-space: nowrap; color: var(--muted); }
.matrix-cell.cell-win b { color: var(--green); }
.matrix-cell.cell-loss b { color: var(--red); }
.matrix-diagonal { background: linear-gradient(45deg, transparent 49%, var(--line) 49%, var(--line) 51%, transparent 51%), #20262e; }
.match-order-block { display: grid; grid-template-columns: 100px 1fr; gap: 12px; align-items: start; margin-top: 14px; }
.match-order-block > strong { display: grid; place-items: center; min-height: 58px; border-radius: 8px; background: var(--accent); color: #17110a; }
.match-order-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(125px, 1fr)); gap: 7px; }
.match-order-item { min-height: 58px; padding: 7px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel-2); color: var(--text); text-align: left; }
.match-order-item span, .match-order-item small { display: block; color: var(--muted); }
.match-order-item b { font-size: 1.05rem; }
.manual-ranking { margin-top: 16px; padding: 14px; border: 1px solid var(--yellow); border-radius: 9px; }
.robin-progress-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 9px; }
.robin-progress-item { display: flex; justify-content: space-between; gap: 10px; padding: 11px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel-2); }
.robin-progress-item span { color: var(--muted); text-align: right; }
.overview-robin-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; align-items: start; }
.overview-robin-table { min-width: 0; padding: 10px; }
.overview-robin-table .panel-head { margin-bottom: 9px; }
.overview-robin-table .panel-head h2 { font-size: 1rem; }
.overview-robin-table .button { min-height: 34px; padding: 5px 8px; font-size: .76rem; }
.overview-robin-table .robin-matrix { font-size: .68rem; }
.overview-robin-table .robin-matrix th, .overview-robin-table .robin-matrix td { height: 48px; padding: 3px; }
.overview-robin-table .robin-matrix thead th { height: 40px; }
.overview-robin-table .robin-matrix .player-heading, .overview-robin-table .robin-matrix .matrix-player { width: 90px; min-width: 90px; }
.overview-robin-table .robin-matrix .matrix-number, .overview-robin-table .matrix-cell { width: 36px; min-width: 36px; }
.overview-robin-table .matrix-player b { width: 18px; font-size: .8rem; }
.overview-robin-table .matrix-cell b { font-size: 1rem; }
.overview-robin-table .matrix-cell small { font-size: .6rem; }
.overview-match-order { display: flex; flex-wrap: wrap; gap: 6px 10px; margin-top: 10px; padding-top: 9px; border-top: 1px solid var(--line); font-size: .72rem; }
.overview-match-order strong { color: var(--accent); }
.overview-match-order span { color: var(--muted); }
.overview-match-order .finished { text-decoration: line-through; opacity: .65; }
.reg-result-list { display: grid; gap: 6px; margin: 14px 0; overflow-x: auto; }
.reg-result-head, .reg-result-row { display: grid; grid-template-columns: 50px 70px minmax(130px,1fr) minmax(105px,1fr) minmax(105px,1fr); gap: 7px; align-items: center; min-width: 530px; }
.reg-result-head { color: var(--muted); font-weight: 800; font-size: .82rem; text-align: center; }
.reg-result-row { padding: 7px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel-2); }
.reg-result-row > b, .reg-result-row > span { text-align: center; }
.eyebrow { margin: 0 0 4px; color: var(--accent-2); font-size: .78rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.modal { width: min(620px, calc(100% - 24px)); max-height: calc(100vh - 24px); overflow-y: auto; border: 1px solid var(--line); border-radius: 14px; padding: 0; background: var(--panel); color: var(--text); }
.modal::backdrop { background: rgba(0,0,0,.72); }
.modal form { padding: 20px; }
.modal-head { display: flex; justify-content: space-between; gap: 12px; align-items: start; }
.modal-actions { display: flex; justify-content: flex-end; gap: 9px; margin-top: 20px; }
.small-modal { max-width: 460px; }
.score-inputs { display: grid; grid-template-columns: 1fr auto 1fr; gap: 12px; align-items: end; margin: 14px 0; }
.score-inputs b { padding-bottom: 13px; }
.winner-choice { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 14px 0; }
.toast { position: fixed; right: 18px; bottom: 18px; z-index: 100; max-width: min(420px, calc(100% - 36px)); padding: 12px 16px; border-radius: 9px; background: #f3f6f8; color: #11151a; box-shadow: 0 8px 30px #0008; opacity: 0; transform: translateY(10px); pointer-events: none; }
.toast.show { opacity: 1; transform: translateY(0); }
.empty { padding: 30px 16px; text-align: center; color: var(--muted); }
.manual-rank { max-width: 84px; }
.muted { color: var(--muted); }
.hidden { display: none !important; }

@media (max-width: 1000px) {
  .stats { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .overview-stats { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .overview-stats .stat:first-child { grid-column: 1 / -1; }
  .grid.four { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .overview-robin-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .launch-grid { grid-template-columns: 1fr; }
  .result-card { grid-template-columns: 100px minmax(140px,1fr) 65px; }
  .result-card b { grid-column: 2 / -1; }
}
@media (max-width: 760px) {
  .sidebar { display: none; }
  .main { margin-left: 0; }
  .topbar { position: static; min-height: auto; padding: 14px; align-items: flex-start; }
  .top-actions { display: none; }
  .mobile-nav { display: grid; gap: 7px; padding: 0 14px 14px; background: var(--bg); }
  .mobile-nav label { font-size: .85rem; font-weight: 800; }
  .content { padding: 14px; }
  .grid.two, .grid.three, .grid.four { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .overview-stats { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .stat strong { font-size: 1.1rem; }
  .panel { padding: 14px; }
  .panel-head { align-items: flex-start; flex-direction: column; }
  .player-row { grid-template-columns: 38px minmax(0,1fr) auto; }
  .remember-player { grid-column: 2 / -1; }
  .player-row .button-row { grid-column: 2 / -1; }
  .format-row { grid-template-columns: 1fr 1fr; padding: 10px; background: var(--panel-2); border-radius: 9px; }
  .format-row strong { grid-column: 1 / -1; }
  .robin-position { display: block; text-align: center; color: var(--muted); margin: -4px 0 12px; }
  .dots { display: flex; justify-content: center; gap: 7px; margin-top: 6px; }
  .dot { width: 8px; height: 8px; border-radius: 50%; background: #4a5563; }
  .dot.active { background: var(--accent); }
  .score-inputs { grid-template-columns: 1fr 30px 1fr; gap: 7px; }
  .robin-matrix .player-heading, .robin-matrix .matrix-player { width: 145px; min-width: 145px; }
  .robin-matrix .matrix-number, .matrix-cell { width: 66px; min-width: 66px; }
  .match-order-block { grid-template-columns: 1fr; }
  .match-order-block > strong { min-height: 44px; }
  .winner-choice { grid-template-columns: 1fr; }
  .overview-robin-grid, .robin-progress-grid { grid-template-columns: 1fr; }
  .robin-progress-item { align-items: center; }
  .result-card { grid-template-columns: 86px minmax(0,1fr); }
  .result-card b { grid-column: 1 / -1; }
  .id-search { grid-template-columns: 1fr; }
}
@media (max-width: 390px) {
  .stats { grid-template-columns: 1fr; }
  .overview-stats { grid-template-columns: 1fr; }
  .button-row > .button { flex: 1 1 100%; }
}

/* カウントアップ画面に合わせたチャコール＋ライム配色 */
:root {
  color-scheme: dark;
  --bg: #474a4d;
  --panel: #474a4d;
  --panel-2: #474a4d;
  --line: #eaf4fc;
  --text: #eaf4fc;
  --muted: #eaf4fc;
  --accent: #c3d825;
  --accent-2: #c3d825;
  --green: #c3d825;
  --blue: #eaf4fc;
  --red: #e9546b;
  --yellow: #c3d825;
}

html, body,
.sidebar,
.topbar,
.mobile-nav,
.panel,
.stat,
.player-row,
.robin-card,
.bracket-match,
.reg-template,
.round-format,
.result-card,
.search-result,
.auto-value,
.match-order-item,
.robin-progress-item,
.reg-result-row,
.modal,
table,
th,
.robin-matrix .matrix-player,
.matrix-cell,
.matrix-diagonal,
input,
select,
.radio-card span,
.button.secondary,
.icon-button {
  background: #474a4d;
  color: #eaf4fc;
  border-color: #eaf4fc;
}

.sidebar { box-shadow: 3px 0 14px rgba(0,0,0,.12); }
.topbar { background: rgba(71,74,77,.97); }
.panel { box-shadow: 0 8px 24px rgba(0,0,0,.12); }
.button { color: #eaf4fc; background: #474a4d; border-color: #eaf4fc; }
.button.primary,
.match-order-block > strong,
.radio-card input:checked + span {
  background: #c3d825;
  color: #383c3c;
  border-color: #c3d825;
}
.button.success { background: #c3d825; color: #383c3c; }
.button.danger { background: #e9546b; color: #eaf4fc; border-color: #e9546b; }
.radio-card input:checked + span { font-weight: 800; }
input:focus, select:focus, button:focus-visible {
  outline-color: rgba(195,216,37,.45);
  border-color: #c3d825;
}
tr.clickable:hover td,
.matrix-cell:hover { background: #565a5d; }
.bracket-lines path { stroke: #eaf4fc; }
.bracket-match:hover,
.result-card:hover { border-color: #c3d825; }
.bracket-player.win { box-shadow: inset 0 0 0 3px #c3d825; }
.notice,
.notice.warning,
.notice.success { background: #474a4d; }
.toast { background: #eaf4fc; color: #383c3c; }