/* 起動(boot)画面のスタイル。CSP enforce 対応のため index.html の inline <style> から外部化（指摘 2.4.4）。 */
:root {
  color-scheme: light;
  font-family: "Noto Sans JP", -apple-system, "Hiragino Sans", "Yu Gothic UI", system-ui, sans-serif;
  background: #f5f5f5;
}

body {
  margin: 0;
  min-height: 100vh;
  background: #f5f5f5;
}

#app {
  min-height: 100vh;
}

.app-boot {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  background: #f5f5f5;
  transition: opacity 180ms ease;
}

.app-boot--hidden {
  opacity: 0;
  pointer-events: none;
}

.app-boot__card {
  width: min(100%, 640px);
  margin: 0 auto;
  padding: 28px 20px 100px;
}

.app-boot__eyebrow {
  margin: 0;
  color: #555555;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.app-boot__title {
  margin: 0;
  color: #111111;
  font-size: clamp(1.6rem, 4.5vw, 2rem);
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: 0;
}

.app-boot__copy {
  margin: 14px 0 0;
  color: #555555;
  font-size: 15px;
  line-height: 1.8;
}

.app-boot__row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.app-boot__spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(46, 170, 220, 0.16);
  border-top-color: #2eaadc;
  border-radius: 999px;
  animation: app-boot-spin 0.9s linear infinite;
  flex: none;
}

.app-boot__header {
  height: 56px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid #e4e4e4;
}

.app-boot__brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.app-boot__brand-logo {
  color: #111111;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.app-boot__brand-sub {
  color: #555555;
  font-size: 11px;
  letter-spacing: 0.08em;
}

@keyframes app-boot-spin {
  to {
    transform: rotate(360deg);
  }
}