:root {
  --bg: #f6f4ef;
  --card: #ffffff;
  --text: #2d3436;
  --muted: #7b8285;
  --line: #e6e2d9;
  --accent: #4f9d8a;
  --accent-soft: #e3f2ee;
  --today: #fff7e0;
  --today-line: #f0b429;
  --sat: #3b6fd8;
  --sun: #d64545;
  --done: #a6acaf;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1e20;
    --card: #25292c;
    --text: #e8eaeb;
    --muted: #9aa1a5;
    --line: #353a3e;
    --accent: #6cc3ad;
    --accent-soft: #23403a;
    --today: #3a3322;
    --today-line: #f0b429;
    --sat: #7aa2ff;
    --sun: #ff7b7b;
    --done: #6b7276;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", Meiryo, system-ui, sans-serif;
  line-height: 1.5;
}

.app-header { max-width: 1680px; margin: 0 auto; padding: 20px 16px 4px; }
.view-head { max-width: 1680px; margin: 0 auto; padding: 8px 16px 4px; }
.tabs { display: inline-flex; background: var(--line); border-radius: 12px; padding: 3px; gap: 2px; }
.tab {
  border: none; background: none; color: var(--muted); font: inherit; font-weight: 700; font-size: .9rem;
  padding: 6px 14px; border-radius: 9px; cursor: pointer;
}
.tab[aria-selected="true"] { background: var(--card); color: var(--text); box-shadow: 0 1px 3px rgba(0,0,0,.12); }
.tab:focus-visible, .btn:focus-visible, .mcell:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.title-row { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px; }
h1 { font-size: 1.4rem; margin: 0; }
.week-label { font-weight: 700; }

.progress-wrap { display: flex; align-items: center; gap: 12px; margin-top: 12px; }
.progress-bar { flex: 1; height: 10px; background: var(--line); border-radius: 99px; overflow: hidden; }
.progress-fill { height: 100%; width: 0; background: var(--accent); border-radius: 99px; transition: width .3s ease; }
.progress-text { font-size: .9rem; white-space: nowrap; }
.reset-info { margin: 6px 0 0; font-size: .8rem; color: var(--muted); }

.week {
  max-width: 1680px; margin: 0 auto; padding: 8px 16px 16px;
  display: grid; gap: 12px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
@media (min-width: 1500px) { .week { grid-template-columns: repeat(7, minmax(0, 1fr)); } }
@media (max-width: 760px)  { .week { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 480px)  { .week { grid-template-columns: 1fr; } }

.day {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 12px; display: flex; flex-direction: column; min-width: 0;
}
.day.today { background: var(--today); border: 2px solid var(--today-line); }
.day.complete .day-name::after { content: " ✅"; }

.day-head { display: flex; align-items: center; gap: 8px; }
.day-name { font-weight: 700; font-size: 1.05rem; }
.day.sat .day-name, .day.sat .day-date { color: var(--sat); }
.day.sun .day-name, .day.sun .day-date { color: var(--sun); }
.day-date { color: var(--muted); font-size: .9rem; }
.day-head .rk { margin-left: auto; }
.today-pill { font-size: .7rem; font-weight: 700; background: var(--today-line); color: #3a2a00; padding: 1px 8px; border-radius: 99px; }
.task .icon-btn { width: 24px; }
.kyureki { font-size: .72rem; color: var(--muted); margin: 2px 0 8px; }

.rk {
  display: inline-block; font-size: .75rem; font-weight: 700; padding: 2px 8px; border-radius: 99px;
  border: 1px solid currentColor; white-space: nowrap;
}
.rk-大安 { color: #fff; background: #e0533d; border-color: #e0533d; }
.rk-友引 { color: #d9822b; }
.rk-先勝 { color: #2f8f5b; }
.rk-先負 { color: #3b82c4; }
.rk-赤口 { color: #b03a5b; }
.rk-仏滅 { color: var(--muted); }

.tasks { list-style: none; margin: 0 0 8px; padding: 0; flex: 1; }
.task { display: flex; align-items: center; gap: 2px; padding: 4px 0; border-bottom: 1px dashed var(--line); }
.task label { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; cursor: pointer; }
.task input[type=checkbox] { width: 20px; height: 20px; accent-color: var(--accent); flex-shrink: 0; }
.task-text { overflow-wrap: anywhere; }
.task.done .task-text { text-decoration: line-through; color: var(--done); }
.empty { color: var(--muted); font-size: .85rem; padding: 4px 0; }

.icon-btn {
  border: none; background: none; color: var(--muted); cursor: pointer;
  width: 28px; height: 28px; border-radius: 8px; font-size: .85rem; flex-shrink: 0;
  opacity: .5;
}
.task:hover .icon-btn, .icon-btn:focus-visible { opacity: 1; }
.icon-btn:hover { background: var(--accent-soft); color: var(--text); }
@media (hover: none) { .icon-btn { opacity: .8; } }

.add-form { display: flex; gap: 6px; }
.add-input {
  flex: 1; min-width: 0; padding: 8px 10px; font-size: 16px;
  border: 1px solid var(--line); border-radius: 10px; background: var(--bg); color: var(--text);
}
.add-input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.add-btn, .btn {
  border: none; border-radius: 10px; padding: 8px 12px; cursor: pointer;
  background: var(--accent); color: #fff; font-weight: 600; font-size: .85rem;
}
.btn.ghost { background: var(--accent-soft); color: var(--text); }

.app-footer { max-width: 1680px; margin: 0 auto; padding: 8px 16px 32px; }
.footer-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.legend { display: flex; flex-wrap: wrap; gap: 6px; margin: 14px 0 6px; }
.note { font-size: .8rem; color: var(--muted); margin: 0; }

a { color: var(--accent); }
[hidden] { display: none !important; }

/* ---------- 月の振り返り ---------- */
.month-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.month-label { font-size: 1.2rem; margin: 0 4px; min-width: 7.5em; text-align: center; }
.nav-btn { font-size: 1.2rem; line-height: 1; padding: 6px 14px; }
.month-layout {
  max-width: 1680px; margin: 0 auto; padding: 8px 16px 16px;
  display: grid; gap: 16px; grid-template-columns: minmax(0, 1fr) 320px; align-items: start;
}
@media (max-width: 900px) { .month-layout { grid-template-columns: 1fr; } }

.month-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; }
.mhead { text-align: center; font-size: .8rem; font-weight: 700; color: var(--muted); padding: 2px 0; }
.mhead.sat { color: var(--sat); } .mhead.sun { color: var(--sun); }
.mcell {
  display: flex; flex-direction: column; justify-content: space-between; gap: 4px;
  min-height: 74px; padding: 6px; text-align: left; font: inherit; color: var(--text);
  background: var(--card); border: 1px solid var(--line); border-radius: 10px; cursor: pointer; min-width: 0;
}
.mcell:hover { border-color: var(--accent); }
.mcell.out { opacity: .45; }
.mcell.today { border: 2px solid var(--today-line); }
.mcell.selected { outline: 2px solid var(--accent); outline-offset: 1px; }
.mtop { display: flex; align-items: baseline; justify-content: space-between; gap: 2px; }
.mnum { font-weight: 700; }
.mcell.sat .mnum { color: var(--sat); } .mcell.sun .mnum { color: var(--sun); }
.mrk { font-size: .62rem; color: var(--muted); white-space: nowrap; }
.mrk.taian { color: #e0533d; font-weight: 700; }
.minfo { font-size: .75rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mcell.s-full { background: var(--accent); border-color: var(--accent); color: #fff; }
.mcell.s-full .mnum, .mcell.s-full .mrk { color: #fff; }
.mcell.s-part { background: var(--accent-soft); }
.mcell.s-none .minfo { color: var(--sun); }
.mcell.s-future .minfo { color: var(--muted); font-weight: 400; }
@media (max-width: 480px) {
  .month-grid { gap: 2px; }
  .mcell { min-height: 56px; padding: 4px 3px; border-radius: 8px; }
  .mrk { display: none; }
  .mrk.taian { display: inline; font-size: .55rem; }
  .minfo { font-size: .65rem; }
}

.month-legend { display: flex; flex-wrap: wrap; gap: 12px; font-size: .78rem; color: var(--muted); margin: 8px 0 12px; }
.sw { display: inline-block; width: 12px; height: 12px; border-radius: 3px; vertical-align: -1px; margin-right: 4px; border: 1px solid var(--line); background: var(--card); }
.sw.s-full { background: var(--accent); border-color: var(--accent); }
.sw.s-part { background: var(--accent-soft); }
.sw.s-none { border-color: var(--sun); }

.day-detail, .stats, .place-stats {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px;
}
.day-detail h3 { margin: 0; font-size: 1.05rem; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.day-detail .kyureki { margin: 2px 0 8px; }
.hint { font-size: .78rem; color: var(--muted); margin: 0 0 8px; }
.memo-label { display: block; font-size: .8rem; color: var(--muted); margin-top: 8px; }
.memo {
  display: block; width: 100%; margin-top: 4px; padding: 8px 10px; font: inherit; font-size: 16px; resize: vertical;
  border: 1px solid var(--line); border-radius: 10px; background: var(--bg); color: var(--text);
}
.memo:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

.month-side { display: grid; gap: 12px; }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stat-name { font-size: .75rem; color: var(--muted); }
.stat-val { font-size: 1.5rem; font-weight: 800; line-height: 1.2; }
.stat-sub { font-size: .7rem; color: var(--muted); }
.place-stats h3 { margin: 0 0 8px; font-size: .95rem; }
.place-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.place { display: grid; grid-template-columns: minmax(0, 1fr) 70px 3.2em; align-items: center; gap: 8px; font-size: .85rem; }
.place-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.place-bar { height: 8px; background: var(--line); border-radius: 99px; overflow: hidden; }
.place-bar span { display: block; height: 100%; background: var(--accent); }
.place.low .place-bar span { background: var(--sun); }
.place-num { text-align: right; color: var(--muted); font-variant-numeric: tabular-nums; }