:root {
  --bg: #14233a;
  --card: #203857;
  --card2: #25416a;
  --field: #192d48;
  --line: #2f4d72;
  --line2: #43689a;
  --soft: rgba(255, 255, 255, .08);
  --text: #eef6ff;
  --muted: #a9bfd8;
  --ice: #5be3b4;
  --fire: #8b7cf6;
  --fire2: #ffd166;
  --warn: #ff8a8a;
  --ok: #6fe3a5;
  --ink: #08321f;
  --display: "M PLUS 1", "Hiragino Sans", "Yu Gothic UI", sans-serif;
  --body: "Hiragino Sans", "Yu Gothic UI", "Meiryo", system-ui, sans-serif;
  --num: "Oxanium", "Hiragino Sans", "Yu Gothic UI", sans-serif;
  --radius: 18px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background:
    radial-gradient(1000px 520px at 88% -12%, rgba(91, 227, 180, .16), transparent 62%),
    radial-gradient(800px 500px at -10% 105%, rgba(139, 124, 246, .16), transparent 60%),
    linear-gradient(180deg, #1a2e4b 0%, var(--bg) 45%);
  background-color: var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
}
@media (prefers-reduced-motion: no-preference) {
  .node, nav button, .seg button, select, input { transition: border-color .15s, background .15s, color .15s; }
}

/* ---- ヘッダー・タブ ---- */
header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5;
  background: rgba(27, 47, 75, .92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  padding: 14px 16px 12px;
}
header h1, header .sub, nav { max-width: 880px; margin-left: auto; margin-right: auto; }
h1 { margin-top: 0; margin-bottom: 0; font-family: var(--display); font-weight: 800; font-size: 26px; letter-spacing: .03em; line-height: 1.3; }
h1 .game { display: block; font-family: var(--num); font-size: 13px; font-weight: 700; letter-spacing: .14em; color: var(--ice); text-transform: uppercase; }
h1 .game::before { content: "❄"; margin-right: 8px; font-size: 15px; letter-spacing: 0; text-shadow: 0 0 12px rgba(91, 227, 180, .6); }
.sub { margin-top: 2px; margin-bottom: 12px; color: var(--muted); font-size: 14px; }
nav { display: flex; gap: 4px; background: var(--field); border: 1px solid var(--line); border-radius: 999px; padding: 4px; overflow-x: auto; scrollbar-width: none; }
nav::-webkit-scrollbar { display: none; }
nav button {
  flex: 1 0 auto; padding: 9px 12px; border: 0; border-radius: 999px; background: none; color: var(--muted);
  font: inherit; font-size: 15px; font-weight: 700; white-space: nowrap; cursor: pointer;
}
nav button:hover { color: var(--text); }
nav button[aria-selected="true"] { background: var(--ice); color: var(--ink); box-shadow: 0 4px 14px rgba(91, 227, 180, .25); }

#lang {
  position: absolute; top: 12px; right: 16px; width: auto; padding: 6px 10px; font-size: 14px;
  border-radius: 999px; background: var(--field); border: 1px solid var(--line2);
}
@media (max-width: 560px) { #lang { top: 10px; right: 12px; padding: 4px 8px; font-size: 13px; } }

/* ---- カード ---- */
main { max-width: 880px; margin: 0 auto; padding: 20px 16px; }
.card {
  background: linear-gradient(180deg, var(--card2), var(--card) 160px);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; margin-bottom: 18px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, .35), inset 0 1px 0 rgba(255, 255, 255, .05);
}
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
h2 { margin: 0; font-family: var(--body); font-weight: 800; font-size: 20px; letter-spacing: .04em; line-height: 1.35; text-wrap: balance; }
h2::before { content: ""; display: inline-block; width: 9px; height: 9px; margin: 0 10px 2px 2px; background: var(--ice); transform: rotate(45deg); box-shadow: 0 0 10px rgba(91, 227, 180, .7); }
h3 { margin: 0 0 10px; font-size: 16px; color: var(--ice); letter-spacing: .03em; }
.hint { margin: 10px 0 14px; color: var(--muted); font-size: 14px; }

/* ---- 入力 ---- */
select, input[type="number"], input[type="text"] {
  width: 100%; min-width: 0; padding: 10px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--field); color: var(--text);
  font: inherit; font-size: 16px;
}
select:hover, input:hover { border-color: var(--line2); }
select:focus, input:focus, button:focus-visible { outline: 2px solid var(--ice); outline-offset: 1px; }
input::placeholder { color: #7e93ad; }
input[type="checkbox"] { width: 20px; height: 20px; flex: none; accent-color: var(--fire); }
button { font: inherit; cursor: pointer; }
.ghost, .bulk button {
  border: 1px solid var(--line2); background: transparent; color: var(--muted);
  border-radius: 999px; padding: 7px 16px; font-size: 14px; white-space: nowrap;
}
.ghost:hover { color: var(--text); border-color: var(--ice); }
.bulk button { background: #6c5ce7; border: 0; color: #fff; font-weight: 700; }
.inline { display: flex; align-items: center; gap: 10px; margin-top: 14px; font-size: 15px; }

/* ---- 行（現在 → 目標） ---- */
.rows { display: flex; flex-direction: column; }
.row {
  display: grid; grid-template-columns: minmax(110px, 1.1fr) 1fr 20px 1fr;
  gap: 8px; align-items: center; padding: 10px 0; border-top: 1px solid var(--soft);
}
.row.head { border-top: 0; padding: 0 0 6px; color: var(--ice); font-size: 14px; font-weight: 700; }
.row .name { font-weight: 600; }
.row.active .name { color: var(--fire2); font-weight: 700; }
.row .name small { display: block; color: var(--muted); font-weight: 400; font-size: 13px; }
.arrow { text-align: center; color: var(--ice); opacity: .7; }
.prio { color: var(--fire2); margin-right: 4px; }
.row.charm { grid-template-columns: minmax(90px, .9fr) 2.4fr 20px 1fr; }
.row.charm .cur { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }

.reach {
  grid-column: 1 / -1; font-size: 15px; padding: 9px 12px; border-radius: 10px;
  background: var(--field); border: 1px solid var(--soft); border-left: 4px solid var(--line2);
}
.reach.ok { border-left-color: var(--ok); }
.reach.ng { border-left-color: var(--warn); }
.reach small { display: block; color: var(--muted); font-size: 14px; }
.reach small.spend { color: var(--text); font-variant-numeric: tabular-nums; }
.ok { color: var(--ok); }
.ng, .inv small.bad { color: var(--warn); }
h3.ng { color: var(--warn); }

.bulk {
  display: grid; grid-template-columns: auto 1fr 20px 1fr auto; gap: 8px; align-items: center;
  background: var(--field); border: 1px solid var(--soft); border-radius: 12px; padding: 10px 12px; margin-bottom: 12px;
  font-size: 14px; color: var(--muted);
}

/* ---- アカウント ---- */
.profile { padding: 14px 20px; display: grid; gap: 10px; }
.profile-row { display: grid; grid-template-columns: auto 1fr 1fr; gap: 10px; align-items: center; }
.profile-row label { font-weight: 700; }
.profile-btns { display: flex; flex-wrap: wrap; gap: 8px; }
.profile-btns .ghost:disabled { opacity: .4; cursor: not-allowed; }
.profile-btns .armed { border-color: var(--warn); color: var(--warn); }
.profile small { color: var(--muted); font-size: 13px; }
.backup summary { cursor: pointer; color: var(--ice); font-size: 15px; }
.backup textarea {
  width: 100%; margin: 4px 0 8px; padding: 10px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--field); color: var(--text); font: 13px/1.4 ui-monospace, Consolas, monospace; resize: vertical; word-break: break-all;
}

/* ---- ヴァレリア・手持ち・バフ ---- */
.valeria { display: grid; grid-template-columns: 1fr 220px; gap: 6px 12px; align-items: center; padding: 14px 20px; }
.valeria label { font-weight: 700; font-size: 16px; }
.valeria small { grid-column: 1 / -1; color: var(--muted); font-size: 13px; }

.inv, .buffs { display: grid; gap: 12px; }
.inv { grid-template-columns: repeat(3, 1fr); }
.buffs { grid-template-columns: repeat(2, 1fr); }
.inv label, .buffs label { font-size: 14px; color: var(--muted); display: flex; flex-direction: column; gap: 4px; }
.inv small { min-height: 1.4em; font-size: 13px; font-family: var(--num); font-variant-numeric: tabular-nums; }
.buffs small { font-size: 13px; }
.inv .wide { grid-column: 1 / -1; }
.inv .pair { display: flex; align-items: center; gap: 8px; color: var(--text); font-size: 16px; }
.inv .pair input { width: 170px; }
#buffs, #research-buffs { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
.buffs .check { grid-column: 1 / -1; flex-direction: row; align-items: center; gap: 10px; color: var(--text); font-size: 16px; }
#buff-sum { margin: 12px 0 0; color: var(--ice); }

/* ---- 結果 ---- */
.total {
  border: 1px solid transparent;
  background: linear-gradient(180deg, var(--card2), var(--card) 160px) padding-box,
              linear-gradient(135deg, var(--ice), rgba(91, 227, 180, .15) 45%, rgba(139, 124, 246, .7)) border-box;
}
.total .empty { color: var(--muted); margin: 0; }
.total .hint { margin: 10px 0 0; }
.sec, .evt { margin-top: 22px; }
.evt { color: var(--fire2); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; }
.grid + .grid { margin-top: 10px; }
.stat { background: var(--field); border: 1px solid var(--soft); border-radius: 12px; padding: 10px 14px; }
.stat .k { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: 13px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--c); box-shadow: 0 0 8px var(--c); flex: none; }
.stat .v { font-family: var(--num); font-size: 25px; font-weight: 700; line-height: 1.3; font-variant-numeric: tabular-nums; letter-spacing: .01em; }
.stat .x { color: var(--muted); font-size: 13px; font-family: var(--num); font-variant-numeric: tabular-nums; }
.stat.hl { border-color: rgba(255, 209, 102, .45); background: linear-gradient(180deg, rgba(255, 209, 102, .10), var(--field)); }
.stat.hl .v { color: var(--fire2); }

.reach-list .line, #svs-auto .line {
  display: flex; justify-content: space-between; gap: 10px; padding: 9px 0;
  border-top: 1px solid var(--soft); font-variant-numeric: tabular-nums;
}
#svs-auto .line b { font-family: var(--num); }
.reach-list small { color: var(--muted); font-weight: 400; margin-left: 6px; font-size: 14px; }

.breakdown { margin-top: 16px; font-size: 14px; color: var(--muted); }
.breakdown summary { cursor: pointer; }
.breakdown table { width: 100%; border-collapse: collapse; margin-top: 8px; font-variant-numeric: tabular-nums; }
.breakdown th, .breakdown td { text-align: right; padding: 5px 6px; border-top: 1px solid var(--soft); white-space: nowrap; }
.breakdown th:first-child, .breakdown td:first-child { text-align: left; }
.scroll { overflow-x: auto; }

/* ---- 装備アイコン ---- */
.gname { display: flex; align-items: center; gap: 10px; }
.gicon {
  flex: none; width: 44px; height: 44px; border-radius: 11px; display: grid; place-items: center;
  border: 2px solid var(--t); color: var(--t);
  background: radial-gradient(circle at 50% 35%, color-mix(in srgb, var(--t) 30%, transparent), var(--field) 75%);
  box-shadow: 0 0 12px color-mix(in srgb, var(--t) 35%, transparent);
}
.gicon svg { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

/* ---- 研究（ツリー） ---- */
.seg { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; background: var(--field); border: 1px solid var(--line); border-radius: 14px; padding: 4px; margin-bottom: 12px; }
.seg button { border: 0; border-radius: 10px; padding: 10px 4px; background: none; color: var(--muted); font-weight: 700; font-size: 16px; }
.seg button[aria-pressed="true"] { background: var(--ice); color: var(--bg); box-shadow: 0 4px 14px rgba(91, 227, 180, .25); }
.ghost.wide { width: 100%; margin-bottom: 6px; }
.tree-group { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
.rgroup { font-family: var(--body); font-weight: 800; font-size: 18px; letter-spacing: .04em; color: var(--ice); margin-bottom: 14px; }
.subtree { margin: 22px 0 10px; font-size: 14px; color: var(--muted); }
.prov { color: var(--muted); margin-left: 2px; }
.tier { position: relative; display: grid; grid-template-columns: repeat(var(--n), minmax(0, 1fr)); gap: 10px; }
.tier[style*="--n:1"] { grid-template-columns: minmax(0, 300px); justify-content: center; }
.tier + .tier { margin-top: 24px; }
.tier + .tier::before {
  content: ""; position: absolute; top: -24px; left: 50%; width: 2px; height: 24px; transform: translateX(-1px);
  background: linear-gradient(var(--line2), var(--ice)); opacity: .55;
}
.tree.chain { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; }
.tree.chain .tier { display: block; margin: 0; }
.tree.chain .tier::before { display: none; }
.node {
  background: var(--field); border: 1px solid var(--line); border-radius: 14px; padding: 10px 11px;
  display: flex; flex-direction: column; gap: 7px; min-width: 0;
}
.node.active { border-color: var(--fire); box-shadow: 0 0 0 1px rgba(139, 124, 246, .3), 0 6px 18px rgba(139, 124, 246, .15); }
.node.done { border-color: rgba(110, 229, 154, .55); }
.nhead { display: flex; justify-content: space-between; align-items: baseline; gap: 6px; }
.nname { font-weight: 700; font-size: 15px; line-height: 1.35; }
.node.active .nname { color: var(--fire2); }
.nlv { font-family: var(--num); font-size: 13px; color: var(--muted); white-space: nowrap; }
.node.done .nlv { color: var(--ok); }
.nbar { position: relative; height: 5px; border-radius: 3px; background: #11223a; overflow: hidden; }
.nbar i { position: absolute; inset: 0 auto 0 0; background: var(--ice); }
.nbar b { position: absolute; top: 0; bottom: 0; background: var(--fire2); }
.nsel { display: grid; grid-template-columns: 30px 1fr; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); }
.nsel select { padding: 6px 6px; font-size: 14px; border-radius: 8px; }

/* ---- 訓練 ---- */
.sub-block { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
#rows-train { display: grid; gap: 12px; }
.plan { background: var(--field); border: 1px solid var(--line); border-radius: 14px; padding: 12px; }
.plan-head { display: grid; grid-template-columns: auto 1fr 1fr; gap: 8px; align-items: center; }
.plan-head b { color: var(--ice); white-space: nowrap; }
.plan-body { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin-top: 10px; }
.plan-body label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; color: var(--muted); }
.plan-body .pair { display: flex; gap: 6px; }
.plan-body .pair .ghost { flex: none; }
.plan-res { margin: 10px 0 0; font-size: 15px; font-variant-numeric: tabular-nums; }
.plan-res .pt { color: var(--fire2); font-family: var(--num); }
.muted { color: var(--muted); font-size: 14px; }

/* ---- SvSポイント ---- */
.stamina { margin-top: 10px; padding: 12px; border: 1px solid var(--line); border-radius: 14px; background: var(--field); }
.stamina .subtree { margin-top: 0; color: var(--ice); }
.stamina input[type="range"] { width: 100%; accent-color: var(--fire); }
.stamina label b { color: var(--text); }
.row.svs { grid-template-columns: 1fr 120px 100px; cursor: text; }
.row.svs .pts { text-align: right; color: var(--fire2); font-weight: 700; font-size: 15px; font-family: var(--num); font-variant-numeric: tabular-nums; }
#rows-svs h3 { margin: 20px 0 4px; }
#rows-svs h3:first-child { margin-top: 0; }
#rows-svs .hint { margin: 0 0 6px; }
.pair-sel { display: grid; grid-template-columns: 1fr 20px 1fr; align-items: center; gap: 6px; }
.pair-sel small { grid-column: 1 / -1; }

footer { max-width: 880px; margin: 0 auto; padding: 8px 16px 48px; color: var(--muted); font-size: 13px; }
footer a { color: var(--ice); }

/* ---- スマホ ---- */
@media (max-width: 560px) {
  body { font-size: 16px; }
  h1 { font-size: 20px; }
  nav button { font-size: 13px; padding: 9px 10px; }
  .card { padding: 16px 14px; }
  .row { grid-template-columns: minmax(84px, 1fr) 1fr 14px 1fr; gap: 6px; }
  .row select { padding: 10px 4px; }
  .inv { grid-template-columns: repeat(2, 1fr); }
  .buffs { grid-template-columns: 1fr; }
  .valeria { grid-template-columns: 1fr; }
  .profile-row { grid-template-columns: 1fr 1fr; }
  .profile-row label { grid-column: 1 / -1; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .stat .v { font-size: 21px; }
  .row.charm { grid-template-columns: 3fr 14px 1.1fr; }
  .row.charm .name { grid-column: 1 / -1; }
  .row.charm .name small { display: inline; margin-left: 6px; }
  .gicon { width: 38px; height: 38px; }
  .gicon svg { width: 24px; height: 24px; }
  .row:not(.charm) .gname { flex-direction: column; align-items: flex-start; gap: 4px; }
  .row.charm select { padding: 10px 2px; font-size: 14px; }
  .row.svs { grid-template-columns: 1fr 96px; }
  .row.svs .pts { grid-column: 1 / -1; }
  .bulk { grid-template-columns: 1fr 14px 1fr; }
  .bulk > span:first-child, .bulk button { grid-column: 1 / -1; }
  .tier[style*="--n:3"], .tier[style*="--n:4"] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tree.chain { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  /* 2列で余った最後の1つは中央に置く */
  .tier > .node:last-child:nth-child(odd):not(:first-child),
  .tree.chain > .tier:last-child:nth-child(odd) { grid-column: 1 / -1; justify-self: center; width: calc(50% - 5px); }
  .node { padding: 9px; }
  .nname { font-size: 14px; }
}