:root {
  color-scheme: light;
  --bg: #FAF4EC;
  --card: #FFFFFF;
  --border: #EDE2D4;
  --divider: #F4EBDF;
  --ink: #3D3229;
  --text-2: #6B5F51;
  --muted: #8C7F70;
  --faint: #B5A794;
  --error: #C0392B;
  --accent: #D9704C;
  --accent-hover: #C25B39;
  --accent-tint: #F8E4DA;
  --accent-line: #E8C9BB;
  --shadow-card: 0 2px 10px rgba(60, 40, 20, 0.06);
  --focus-ring: 0 0 0 3px rgba(217, 112, 76, 0.18);
  --radius-card: 20px;
  --radius-pill: 999px;
  --radius-icon: 14px;
  --font: "Nunito", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  padding: 40px 20px;
  /* iOS が横向きのときに勝手に文字を大きくするのを防ぐ */
  -webkit-text-size-adjust: 100%;
}

header,
main {
  max-width: 680px;
  margin: 0 auto;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---- Header ---- */

.app-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.app-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-icon);
  flex-shrink: 0;
}

.app-title {
  margin: 0;
  font-size: 22px;
  font-weight: 800;
}

.app-subtitle {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-2);
}

/* ---- Cards & shared bits ---- */

.map-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 20px;
  margin-bottom: 20px;
}

.section-title {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 800;
}

.field-label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-2);
}

.map-input {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #FFF;
  color: var(--ink);
  font-family: var(--font);
  font-size: 15px;
  margin-bottom: 14px;
}

textarea.map-input {
  resize: vertical;
  line-height: 1.5;
}

.map-input:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  box-shadow: var(--focus-ring);
}

.field-error {
  margin: -8px 0 12px;
  color: var(--error);
  font-size: 13px;
  font-weight: 700;
}

.btn-primary {
  border: none;
  border-radius: var(--radius-pill);
  background: var(--accent);
  color: #FFF;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 800;
  padding: 11px 22px;
  cursor: pointer;
}

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

.btn-outline {
  border: 1px solid var(--accent-line);
  border-radius: var(--radius-pill);
  background: #FFF;
  color: var(--accent-hover);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 700;
  padding: 8px 18px;
  cursor: pointer;
}

.btn-outline:hover {
  background: var(--accent-tint);
}

/* ---- How to use ---- */

.guide > summary {
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  color: var(--accent-hover);
}

.guide-list {
  margin: 12px 0 0;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-2);
}

.guide-note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---- List head & search ---- */

.list-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.list-head .section-title {
  margin: 0;
}

.note-count {
  font-size: 13px;
  color: var(--muted);
}

.search-input {
  margin-bottom: 16px;
  border-radius: var(--radius-pill);
}

.empty-state {
  text-align: center;
  color: var(--muted);
}

.empty-state p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
}

/* ---- Note cards ---- */

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

.note-card--pinned {
  border-color: var(--accent-line);
}

.note-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.note-title {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.note-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.pin-btn {
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: #FFF;
  color: var(--text-2);
  font-family: var(--font);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  cursor: pointer;
}

.pin-btn:hover {
  border-color: var(--accent-line);
  color: var(--accent-hover);
}

.pin-btn--on {
  background: var(--accent-tint);
  border-color: var(--accent-line);
  color: var(--accent-hover);
}

.note-delete,
.entry-delete {
  border: none;
  background: none;
  color: var(--faint);
  font-family: var(--font);
  font-size: 20px;
  line-height: 1;
  padding: 2px 6px;
  border-radius: 8px;
  cursor: pointer;
}

.entry-delete {
  font-size: 16px;
}

.note-delete:hover,
.entry-delete:hover {
  color: var(--error);
  background: var(--divider);
}

.note-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--muted);
}

.growth-badge {
  background: var(--accent-tint);
  color: var(--accent-hover);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
  font-weight: 700;
}

.pinned-badge {
  color: var(--accent-hover);
  font-weight: 700;
}

.note-empty {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--muted);
}

/* ---- Entries ---- */

.entry-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.entry {
  border-top: 1px solid var(--divider);
  padding: 10px 0 4px;
}

.entry-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.entry-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 2px;
  font-size: 12px;
  color: var(--faint);
}

.earlier {
  margin-top: 10px;
}

.earlier > summary {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-2);
  cursor: pointer;
}

.entry-form {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--divider);
}

.entry-form .map-input {
  margin-bottom: 0;
}

.entry-form .btn-outline {
  flex-shrink: 0;
  padding: 9px 16px;
}

/* ---- Backup ---- */

.backup-note {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.backup-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---- Mobile ---- */

@media (max-width: 480px) {
  body {
    padding: 24px 14px;
  }

  .app-icon {
    width: 46px;
    height: 46px;
  }

  .map-card {
    padding: 16px;
  }

  .entry-form {
    flex-direction: column;
    align-items: stretch;
  }

  .entry-form .btn-outline {
    width: 100%;
  }
}