:root {
  color-scheme: dark;
  --bg: #07111f;
  --panel: rgba(16,31,51,.88);
  --border: rgba(151,180,219,.16);
  --text: #f4f7fb;
  --muted: #9eabc0;
  --accent: #7c9cff;
  --accent-soft: rgba(124,156,255,.11);
  --success: #4cd6a8;
  --warning: #e8bd70;
  --sidebar: 250px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, "Noto Sans JP", "Yu Gothic UI", Meiryo, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 5%, rgba(82,111,255,.15), transparent 30%),
    radial-gradient(circle at 85% 18%, rgba(53,203,172,.05), transparent 26%),
    linear-gradient(180deg, #081321, #06101d);
}

a { color: inherit; text-decoration: none; }
button, select { font: inherit; }

.shell {
  display: grid;
  grid-template-columns: var(--sidebar) minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 26px 20px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid rgba(151,180,219,.12);
  background: rgba(6,16,29,.88);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 0 8px 24px;
  border-bottom: 1px solid rgba(151,180,219,.1);
}

.mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: linear-gradient(135deg,#e8eeff,#8ea8ff);
  color: #06101d;
  font-size: 20px;
  font-weight: 800;
}

.brand-copy {
  display: flex;
  flex-direction: column;
}

.brand-copy small {
  margin-top: 5px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

nav {
  display: grid;
  gap: 8px;
  margin-top: 26px;
}

nav a {
  display: flex;
  gap: 12px;
  align-items: center;
  min-height: 46px;
  padding: 0 14px;
  border-radius: 12px;
  color: var(--muted);
  font-size: 14px;
}

nav a:hover,
nav a.active {
  color: var(--text);
  background: var(--accent-soft);
}

.back {
  margin-top: auto;
  padding: 10px;
  color: var(--muted);
  font-size: 13px;
}

main {
  width: min(calc(100% - 48px), 1440px);
  margin: 0 auto;
  padding: 34px 0 24px;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  margin-bottom: 22px;
}

.eyebrow,
.section-label,
.panel header p {
  margin: 0 0 8px;
  color: #a8baff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.top h1 {
  margin: 0;
  font-size: clamp(30px,4vw,44px);
  letter-spacing: -.035em;
}

.lead {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.period,
.actions button,
.integration-actions button {
  min-height: 42px;
  padding: 0 15px;
  border-radius: 12px;
}

.period {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}

button {
  border: 0;
  background: linear-gradient(135deg,#dce5ff,#8fa9ff);
  color: #07111f;
  font-weight: 700;
  cursor: pointer;
}

button:hover { filter: brightness(1.05); }

button.secondary {
  border: 1px solid var(--border);
  background: rgba(255,255,255,.035);
  color: var(--muted);
}

.integration-card,
.kpis article,
.panel {
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(255,255,255,.016), transparent),
    var(--panel);
  box-shadow: 0 22px 70px rgba(0,0,0,.24);
  backdrop-filter: blur(18px);
}

.integration-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  margin-bottom: 18px;
  padding: 20px 22px;
  border-radius: 18px;
}

.integration-main {
  display: flex;
  align-items: center;
  gap: 16px;
}

.integration-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: #fff;
  background: linear-gradient(135deg,#5d87ff,#4771db);
  font-size: 24px;
  font-weight: 800;
}

.integration-main h2 {
  margin: 0;
  font-size: 19px;
}

.integration-main p:last-child {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.integration-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status {
  color: var(--warning);
  font-size: 12px;
}

.status i {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--warning);
}

.kpis {
  display: grid;
  grid-template-columns: repeat(4,minmax(0,1fr));
  gap: 16px;
  margin-bottom: 18px;
}

.kpis article {
  min-height: 142px;
  padding: 20px;
  border-radius: 14px;
}

.kpis label {
  color: var(--muted);
  font-size: 13px;
}

.kpis strong {
  display: block;
  margin-top: 23px;
  font-size: 29px;
}

.kpis small {
  display: block;
  margin-top: 9px;
  color: var(--muted);
  font-size: 11px;
}

.grid {
  display: grid;
  grid-template-columns: minmax(0,1.45fr) minmax(320px,.75fr);
  gap: 18px;
}

.panel {
  min-height: 320px;
  padding: 22px;
  border-radius: 22px;
}

.panel header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 22px;
}

.panel h2 {
  margin: 0;
  font-size: 20px;
}

.panel header a {
  color: #a8baff;
  font-size: 12px;
}

.panel select {
  height: 36px;
  padding: 0 11px;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--muted);
  background: #0b1728;
}

.empty-state {
  min-height: 225px;
  display: grid;
  place-items: center;
  align-content: center;
  text-align: center;
}

.empty-state.compact { min-height: 175px; }

.empty-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  border-radius: 14px;
  color: #a8baff;
  background: var(--accent-soft);
  font-size: 20px;
}

.empty-state h3 {
  margin: 0;
  font-size: 15px;
}

.empty-state p {
  max-width: 420px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

.total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
  padding: 16px;
  border-radius: 12px;
  background: var(--accent-soft);
}

.total span {
  color: var(--muted);
  font-size: 12px;
}

.total strong { font-size: 21px; }

.table > div {
  display: grid;
  grid-template-columns: 70px minmax(150px,1fr) 80px 110px;
  align-items: center;
  min-height: 52px;
  border-bottom: 1px solid rgba(151,180,219,.08);
  font-size: 12px;
}

.table .head {
  min-height: 36px;
  color: var(--muted);
  font-size: 10px;
}

.empty-row {
  grid-template-columns: 1fr !important;
  place-items: center;
  min-height: 180px !important;
  color: var(--muted);
}

.schedule-empty {
  min-height: 220px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 12px;
  color: var(--muted);
  font-size: 12px;
}

.text-button {
  background: transparent;
  color: #a8baff;
}

.coming-soon {
  padding: 5px 9px;
  border-radius: 999px;
  color: var(--warning);
  background: rgba(232,189,112,.09);
  font-size: 10px;
  font-weight: 700;
}

.investment-layout {
  display: grid;
  grid-template-columns: repeat(3,minmax(0,1fr));
  gap: 14px;
}

.investment-summary {
  min-height: 150px;
  padding: 18px;
  border: 1px solid rgba(151,180,219,.11);
  border-radius: 14px;
  background: rgba(255,255,255,.018);
}

.investment-summary span {
  color: var(--muted);
  font-size: 12px;
}

.investment-summary strong {
  display: block;
  margin-top: 22px;
  font-size: 24px;
}

.investment-summary small {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.5;
}

.system-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.system-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 54px;
  border-bottom: 1px solid rgba(151,180,219,.08);
  font-size: 12px;
}

.system-list em {
  color: var(--muted);
  font-style: normal;
}

.page-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 22px;
  padding: 20px 2px 0;
  border-top: 1px solid rgba(151,180,219,.09);
  color: #7f8ba0;
  font-size: 11px;
}

dialog {
  width: min(calc(100% - 32px), 430px);
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 18px;
  color: var(--text);
  background: #0c192a;
  box-shadow: 0 30px 90px rgba(0,0,0,.5);
}

dialog::backdrop { background: rgba(0,0,0,.62); }

.dialog-content {
  padding: 26px;
}

.dialog-content h2 { margin: 0; }

.dialog-content p {
  margin: 14px 0 22px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.dialog-content button {
  width: 100%;
  min-height: 42px;
  border-radius: 12px;
}

@media (max-width: 1180px) {
  .kpis { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .grid { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    height: auto;
  }
  .sidebar nav { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .back { display: none; }
  main { width: min(calc(100% - 28px),1440px); }
}

@media (max-width: 680px) {
  .top,
  .integration-card {
    align-items: flex-start;
    flex-direction: column;
  }
  .actions,
  .integration-actions {
    width: 100%;
    flex-wrap: wrap;
  }
  .actions button,
  .integration-actions button {
    flex: 1;
  }
  .kpis,
  .investment-layout {
    grid-template-columns: 1fr;
  }
  .sidebar nav { grid-template-columns: 1fr 1fr; }
  .panel { padding: 18px; }
  .page-footer { flex-direction: column; }
}