:root {
  --ink: #1a1a1a;
  --sub: #5b5b5b;
  --line: #e2e2e2;
  --bg: #fafafa;
  --accent: #0b5cad;
  --warn: #9a3412;
  --warn-bg: #fff5ed;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 1rem 4rem;
  font-family: system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif;
  line-height: 1.8;
  color: var(--ink);
  background: var(--bg);
}

main, .head { max-width: 44rem; margin: 0 auto; }

.head { padding: 2.5rem 0 1.5rem; }
h1 { font-size: 1.6rem; margin: 0 0 .5rem; }
.lead { margin: 0 0 .75rem; }
.privacy { margin: 0; font-size: .875rem; color: var(--sub); }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.5rem;
}

.row { margin: 0 0 1.25rem; border: 0; padding: 0; }
.row:last-of-type { margin-bottom: 1.5rem; }

label, legend { display: block; font-weight: 600; margin-bottom: .35rem; }
fieldset label { font-weight: 400; display: inline-block; margin: 0 1.25rem .25rem 0; }

input[type="date"], select {
  font: inherit;
  padding: .5rem .6rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  min-width: 14rem;
}

button {
  font: inherit;
  font-weight: 600;
  padding: .6rem 1.4rem;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}
button:hover { opacity: .9; }

.actions { display: flex; gap: .75rem; margin: 2rem 0 1rem; }
.actions button { background: #fff; color: var(--accent); }

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

.item {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 1.25rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.25rem;
  margin-bottom: .75rem;
}
.item.nodate { background: #fbfbfb; }

.due { font-weight: 700; }
.days { display: block; font-weight: 400; font-size: .8125rem; color: var(--sub); }

.body h3 { font-size: 1.05rem; margin: 0 0 .4rem; }
.body p { margin: 0 0 .5rem; }

.cat {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  color: var(--sub);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0 .4rem;
  margin-right: .5rem;
  vertical-align: middle;
}

.note { font-size: .875rem; border-radius: 6px; padding: .5rem .75rem; }
.note.warn { background: var(--warn-bg); color: var(--warn); }
.note.info { background: #f2f6fb; color: var(--accent); }

.more {
  display: inline-block;
  margin-top: .25rem;
  font-size: .9375rem;
  font-weight: 600;
  color: var(--accent);
}

blockquote {
  margin: .75rem 0 0;
  padding: .5rem .9rem;
  border-left: 3px solid var(--line);
  font-size: .875rem;
  color: var(--sub);
}
blockquote a { display: block; margin-top: .25rem; color: var(--accent); }

.disclaimer { font-size: .875rem; color: var(--sub); margin-top: 2rem; }

@media (max-width: 640px) {
  .item { grid-template-columns: 1fr; gap: .5rem; }
  input[type="date"], select { min-width: 0; width: 100%; }
}

@media print {
  .card, .actions, .privacy { display: none; }
  body { background: #fff; }
  .item { break-inside: avoid; }
}

.hint { font-size: .8125rem; color: var(--sub); font-weight: 400; margin: .35rem 0 0; }