:root {
  --paper: #f6f4ef;
  --ink: #12181c;
  --muted: rgba(18, 24, 28, 0.62);
  --sea: #0f524f;
  --border: rgba(18, 24, 28, 0.12);
  --danger: #b42318;
  --shadow: 0 8px 28px rgba(18, 24, 28, 0.06);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
}

.layout {
  max-width: 960px;
  margin: 0 auto;
  padding: 28px 20px 64px;
}

.brand {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--sea);
  margin-bottom: 8px;
}

h1 {
  font-family: "Noto Serif JP", "Hiragino Mincho ProN", serif;
  font-size: 1.55rem;
  font-weight: 500;
  margin: 0 0 8px;
}

.lead {
  color: var(--muted);
  margin: 0 0 20px;
  max-width: 52em;
}

.lead-line {
  display: block;
}

.note {
  background: #fff;
  border: 1px solid var(--border);
  border-left: 3px solid var(--sea);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 20px;
  font-size: 13px;
}

.note strong {
  font-weight: 600;
}

.grid {
  display: grid;
  gap: 20px;
}

@media (min-width: 900px) {
  .grid {
    grid-template-columns: 280px 1fr;
    align-items: start;
  }
}

.panel {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  box-shadow: var(--shadow);
}

.panel__title {
  font-family: "Noto Serif JP", serif;
  font-size: 1rem;
  margin: 0 0 12px;
}

.form-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.form-list button {
  width: 100%;
  text-align: left;
  border: 1px solid var(--border);
  background: #fafafa;
  border-radius: 8px;
  padding: 10px 12px;
  cursor: pointer;
  font: inherit;
}

.form-list button.is-active {
  border-color: var(--sea);
  background: rgba(15, 82, 79, 0.08);
}

.form-list__meta {
  display: block;
  font-size: 11px;
  color: var(--muted);
  margin-top: 4px;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--ink);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
}

.btn--primary {
  background: var(--sea);
  border-color: var(--sea);
  color: #fff;
}

.btn--danger {
  color: var(--danger);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.field {
  margin-bottom: 14px;
}

.field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 6px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 11px;
  font: inherit;
}

.field small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.field-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.field-row .field {
  flex: 1;
  min-width: 140px;
}

.questions {
  display: grid;
  gap: 12px;
}

.q-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  background: #fcfcfb;
}

.q-card__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.q-card__head span {
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
}

.check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.check input {
  width: auto;
}

.url-box {
  margin-top: 16px;
  padding: 12px;
  border-radius: 10px;
  background: #f0f7f6;
  border: 1px solid rgba(15, 82, 79, 0.2);
  font-family: ui-monospace, Menlo, monospace;
  font-size: 12px;
  word-break: break-all;
}

.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--ink);
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 40;
}

.toast.is-visible {
  opacity: 1;
}

.empty {
  color: var(--muted);
  font-size: 13px;
  padding: 8px 0;
}