:root {
  --bg1: #f7efe4;
  --bg2: #dbe7f0;
  --ink: #1f2a37;
  --muted: #5f6b7a;
  --brand: #0f766e;
  --brand-2: #f97316;
  --card: rgba(255, 255, 255, 0.92);
  --danger: #b91c1c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  min-height: 100vh;
  background: radial-gradient(circle at 15% 15%, #fff8ec 0%, transparent 45%),
              radial-gradient(circle at 85% 0%, #d5f0eb 0%, transparent 35%),
              linear-gradient(135deg, var(--bg1), var(--bg2));
}

.app {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 16px 40px;
}

.hero {
  animation: fadeUp 520ms ease-out both;
}

h1 {
  margin: 0;
  font-size: 1.8rem;
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.card {
  margin-top: 14px;
  padding: 16px;
  border-radius: 18px;
  background: var(--card);
  box-shadow: 0 18px 40px rgba(30, 41, 59, 0.12);
  animation: fadeUp 700ms ease-out both;
}

label,
legend {
  font-weight: 700;
  display: block;
  margin: 12px 0 8px;
}

textarea,
select {
  width: 100%;
  border: 1px solid #bfd2e2;
  border-radius: 12px;
  padding: 12px;
  font-size: 1rem;
  background: #fff;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chips label {
  margin: 0;
  background: #edf4fa;
  border-radius: 999px;
  padding: 7px 12px;
  font-weight: 600;
  font-size: 0.92rem;
}

.btn {
  width: 100%;
  margin-top: 14px;
  border: none;
  border-radius: 12px;
  padding: 12px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
}

.btn.primary {
  background: linear-gradient(90deg, var(--brand), #0ea5a2);
  color: #fff;
}

.btn.secondary {
  background: linear-gradient(90deg, #f59e0b, var(--brand-2));
  color: #fff;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%) translateY(16px);
  background: #0f172a;
  color: #fff;
  padding: 10px 14px;
  border-radius: 10px;
  opacity: 0;
  transition: all 220ms ease;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast.error {
  background: var(--danger);
}

.login-page .app {
  max-width: 820px;
}

.login-page .hero {
  text-align: center;
}

.login-card {
  overflow: hidden;
}

.login-visual {
  margin: 0 auto 16px;
  width: min(100%, 36rem);
  height: 15rem;
  border-radius: 14px;
  overflow: hidden;
}

.login-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.login-card h2,
.login-card p {
  text-align: center;
}

.login-card .btn {
  display: block;
  width: min(100%, 320px);
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.55rem;
  }

  .card {
    border-radius: 14px;
  }

  .login-visual {
    margin: 0 auto 12px;
  }
}