:root {
  --color-primary: #fcd535;
  --color-primary-active: #f0b90b;
  --color-ink: #181a20;
  --color-body: #1f2937;
  --color-muted: #6b7280;
  --color-hairline: #d9dee7;
  --color-canvas: #ffffff;
  --color-surface: #ffffff;
  --color-error: #f6465d;
  --font-sans: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  height: 100%;
  background: var(--color-canvas);
  color: var(--color-body);
  font-family: var(--font-sans);
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}
.p-login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: clamp(24px, 6vw, 48px);
  background: var(--color-canvas);
  color: var(--color-body);
}
.p-login__panel {
  width: min(100%, 440px);
  padding: var(--space-xl);
  border: 1px solid var(--color-hairline);
  border-radius: 12px;
  background: var(--color-surface);
  box-shadow: none;
}
.p-login__brand {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 0 var(--space-xs);
}
.p-login__logo {
  display: block;
  width: min(52%, 170px);
  height: auto;
  opacity: 1;
}
.p-login__appname {
  margin: 0 0 var(--space-lg);
  color: var(--color-body);
  text-align: center;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
}
.p-login__actions {
  display: grid;
  gap: var(--space-sm);
}
.p-login__google {
  width: 100%;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  border: 1px solid var(--color-primary);
  border-radius: 6px;
  background: var(--color-primary);
  color: var(--color-ink);
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
}
.p-login__google:hover {
  background: var(--color-primary-active);
  border-color: var(--color-primary-active);
}
.p-login__google:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px color-mix(in srgb, #3b82f6 50%, transparent);
}
.p-login__google-mark {
  width: 22px;
  height: 22px;
  display: inline-grid;
  place-items: center;
  border-radius: 9999px;
  background: color-mix(in srgb, var(--color-ink) 10%, transparent);
  color: var(--color-ink);
  font-weight: 700;
  line-height: 1;
}
.p-login__meta,
.p-login__error {
  font-size: 12px;
  line-height: 1.4;
  text-align: center;
}
.p-login__meta {
  margin: var(--space-md) 0 0;
  color: var(--color-muted);
}
.p-login__error {
  margin: var(--space-xs) 0 0;
  color: var(--color-error);
}
@media (max-width: 900px) {
  .p-login { padding: var(--space-lg); }
  .p-login__panel { padding: var(--space-lg); }
}