:root {
  --bg: #f3f0ea;
  --card: #fffdf8;
  --ink: #1f2a24;
  --muted: #5c6b63;
  --line: #d5cfc4;
  --accent: #1f6b4a;
  --accent-hover: #165538;
  --danger: #8b2e2e;
  --shadow: 0 10px 30px rgba(31, 42, 36, 0.08);
  --font: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(31, 107, 74, 0.08), transparent 40%),
    linear-gradient(160deg, #efe9df 0%, var(--bg) 45%, #e7efe9 100%);
}

.wrap {
  width: min(720px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2.5rem 0 3rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 1.75rem;
}

h1 {
  margin: 0 0 0.35rem;
  font-size: 1.5rem;
  letter-spacing: 0.02em;
}

.lead {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.notice {
  margin: 0 0 1.25rem;
  padding: 0.85rem 1rem;
  background: #f7f3eb;
  border-left: 3px solid var(--accent);
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.55;
}

.alert {
  margin: 0 0 1rem;
  padding: 0.8rem 1rem;
  border-radius: 10px;
  background: #f8eaea;
  color: var(--danger);
  font-size: 0.92rem;
}

label {
  display: block;
  margin: 0 0 0.35rem;
  font-size: 0.9rem;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  margin: 0 0 1rem;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  font: inherit;
  background: #fff;
}

.actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
}

button,
.btn {
  appearance: none;
  border: none;
  border-radius: 999px;
  padding: 0.7rem 1.2rem;
  background: var(--accent);
  color: #fff;
  font: inherit;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

button:hover,
.btn:hover {
  background: var(--accent-hover);
}

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

.btn-secondary:hover {
  background: #f2eee6;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}

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

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

.list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 0.95rem 0;
  border-top: 1px solid var(--line);
}

.list li:last-child {
  border-bottom: 1px solid var(--line);
}

.list-title {
  font-weight: 600;
}

.list-sub {
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.empty {
  padding: 1.5rem 0;
  color: var(--muted);
  text-align: center;
}

.footer-note {
  margin-top: 1.25rem;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.5;
}