/* 予約ページの見た目。スマートフォンを先に考え、640px から少し広げる。
   色は CSS 変数でまとめ、--bk-accent だけ設定「テーマ色」で差し替わる（render.js が .bk-shell の style に入れる）。 */

:root {
  --bk-accent: #2f6f5e;
  --bk-accent-ink: #ffffff;
  --bk-ink: #1f2320;
  --bk-muted: #6b716c;
  --bk-paper: #ffffff;
  --bk-bg: #fafaf8;
  --bk-line: #d9dcd7;
  --bk-soft: #f1f3f0;
  --bk-danger: #a63d2f;
  --bk-danger-bg: #fbeae7;
  --bk-radius: 10px;
  --bk-font: system-ui, -apple-system, "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
}

.bk {
  font-family: var(--bk-font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--bk-ink);
  background: var(--bk-bg);
  -webkit-text-size-adjust: 100%;
}
.bk *,
.bk *::before,
.bk *::after {
  box-sizing: border-box;
}
.bk :focus-visible {
  outline: 2px solid var(--bk-accent);
  outline-offset: 2px;
}

.bk-shell {
  max-width: 720px;
  margin: 0 auto;
  padding: 16px;
}
.bk-head {
  padding: 4px 0 12px;
  border-bottom: 1px solid var(--bk-line);
}
.bk-title {
  margin: 0;
  font-size: 1.15rem;
}
.bk-main {
  display: block;
}
.bk-step,
.bk-form {
  margin-top: 16px;
}
.bk-h2 {
  margin: 0 0 12px;
  font-size: 1.05rem;
  line-height: 1.5;
}
.bk-h2:focus {
  outline: none;
}
.bk-chosen,
.bk-legend,
.bk-loading,
.bk-empty {
  margin: 8px 0;
  font-size: 0.85rem;
  color: var(--bk-muted);
}
.bk-muted {
  color: var(--bk-muted);
}
.bk-tel {
  color: var(--bk-accent);
}

/* 読み上げだけに届く文字（○△の意味や表の見出し） */
.bk-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
/* 人には見えない欄（埋まっていたら書き込まない） */
.bk-hp {
  position: absolute;
  left: -9999px;
}

/* 知らせと注意書き */
.bk-error {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: var(--bk-radius);
  background: var(--bk-danger-bg);
  color: var(--bk-danger);
}
.bk-error-text {
  flex: 1;
}
.bk-error-x {
  min-width: 32px;
  min-height: 32px;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
}
.bk-boot-error,
.bk-notice,
.bk-busy,
.bk-caution {
  padding: 10px 12px;
  border-radius: var(--bk-radius);
  background: var(--bk-soft);
  font-size: 0.9rem;
}
.bk-boot-error,
.bk-caution {
  background: var(--bk-danger-bg);
  color: var(--bk-danger);
}
.bk-boot-tel {
  margin: 8px 0 0;
  font-size: 1.125rem;
}
/* 受付を止めている枠の中では、電話も同じ色でそろえる */
.bk-boot-error .bk-tel {
  color: inherit;
}

/* ボタン */
.bk-btn,
.bk-nav,
.bk-day,
.bk-slot,
.bk-service {
  font: inherit;
  color: inherit;
  background: var(--bk-paper);
  border: 1px solid var(--bk-line);
  border-radius: var(--bk-radius);
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}
.bk-btn {
  min-height: 44px;
  padding: 10px 18px;
}
.bk-btn-primary {
  background: var(--bk-accent);
  border-color: var(--bk-accent);
  color: var(--bk-accent-ink);
  font-weight: 600;
}
.bk-btn-quiet {
  background: transparent;
  color: var(--bk-muted);
}
.bk-btn-danger {
  border-color: var(--bk-danger);
  color: var(--bk-danger);
}
.bk-btn[disabled],
.bk-nav[disabled],
.bk-day[disabled],
.bk-slot[disabled] {
  opacity: 0.55;
  cursor: default;
}
.bk-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

/* サービスを選ぶ */
.bk-services {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.bk-service {
  display: grid;
  gap: 2px;
  width: 100%;
  min-height: 44px;
  padding: 12px 14px;
  text-align: left;
}
.bk-service-name {
  font-weight: 600;
}
.bk-service-minutes,
.bk-service-note {
  font-size: 0.85rem;
  color: var(--bk-muted);
}

/* カレンダー */
.bk-cal-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 12px 0 8px;
}
.bk-nav {
  min-height: 44px;
  padding: 8px 12px;
  font-size: 0.9rem;
}
.bk-month {
  margin: 0;
  font-size: 1.05rem;
}
.bk-cal {
  width: 100%;
  border-collapse: separate;
  border-spacing: 3px;
  table-layout: fixed;
}
.bk-cal th {
  padding: 2px 0;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--bk-muted);
}
.bk-cal td {
  padding: 0;
}
.bk-day {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  width: 100%;
  min-height: 44px;
  aspect-ratio: 1 / 1;
  padding: 2px;
}
.bk-day-n {
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
}
.bk-day-mark {
  font-size: 0.95rem;
  line-height: 1;
  color: var(--bk-accent);
}
.bk-open .bk-day {
  border-color: var(--bk-accent);
}
.bk-few .bk-day {
  border-color: var(--bk-accent);
  border-style: dashed;
}
.bk-full .bk-day,
.bk-closed .bk-day,
.bk-past .bk-day {
  background: var(--bk-soft);
  border-color: transparent;
  color: var(--bk-muted);
}
.bk-today .bk-day::after {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--bk-muted);
}

/* 時間を選ぶ */
.bk-slots {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.bk-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  width: 100%;
  min-height: 56px;
  padding: 8px;
}
.bk-slot-time {
  font-variant-numeric: tabular-nums;
}
.bk-slot-left {
  font-size: 0.75rem;
  color: var(--bk-muted);
}

/* 入力と確認 */
.bk-summary,
.bk-confirm,
.bk-done-list {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 6px 14px;
  margin: 0 0 16px;
  padding: 12px 14px;
  border-radius: var(--bk-radius);
  background: var(--bk-paper);
  border: 1px solid var(--bk-line);
}
.bk-summary dt,
.bk-confirm dt,
.bk-done-list dt {
  font-size: 0.85rem;
  color: var(--bk-muted);
}
.bk-summary dd,
.bk-confirm dd,
.bk-done-list dd {
  margin: 0;
  word-break: break-word;
}
.bk-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 14px;
}
.bk-field label {
  font-size: 0.9rem;
  font-weight: 600;
}
.bk-field input,
.bk-field textarea {
  width: 100%;
  padding: 10px 12px;
  font: inherit;
  color: inherit;
  background: var(--bk-paper);
  border: 1px solid var(--bk-line);
  border-radius: 8px;
}
.bk-field textarea {
  resize: vertical;
}
.bk-has-error input,
.bk-has-error textarea {
  border-color: var(--bk-danger);
}
.bk-field-error {
  margin: 0;
  font-size: 0.85rem;
  color: var(--bk-danger);
}
.bk-required {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--bk-danger);
}
.bk-optional {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--bk-muted);
}
.bk-notice {
  margin: 0 0 16px;
}
.bk-busy {
  margin: 12px 0 0;
}
.bk-done p {
  margin: 8px 0;
}

@media (min-width: 640px) {
  .bk-shell {
    padding: 24px 24px 40px;
  }
  .bk-title {
    font-size: 1.3rem;
  }
  /* カレンダーと時間は別の画面なので、広い画面では枠を 3 列に並べて一度に見渡せるようにする */
  .bk-slots {
    grid-template-columns: repeat(3, 1fr);
  }
  .bk-services {
    grid-template-columns: repeat(2, 1fr);
  }
  .bk-cal {
    border-spacing: 6px;
  }
  .bk-day-n,
  .bk-day-mark {
    font-size: 1.05rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .bk *,
  .bk *::before,
  .bk *::after {
    transition: none !important;
    animation: none !important;
  }
}