:root {
  color-scheme: light;
  --bg: #f6f7f6;
  --surface: #ffffff;
  --ink: #1f2a27;
  --muted: #63706b;
  --line: #dfe4e1;
  --accent: #14745a;
  --accent-dark: #0e5a45;
  --accent-soft: #e6f4ef;
  --warn: #9a5b00;
  --warn-soft: #fdf3e0;
  --info: #255f91;
  --info-soft: #e7f0f8;
  --danger: #b3261e;
  --danger-soft: #fbeceb;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", "Hiragino Sans", "Yu Gothic UI", "Noto Sans JP", "Noto Sans CJK", sans-serif;
  font-size: 15px;
  line-height: 1.6;
}

h1 { font-size: 1.5rem; line-height: 1.3; margin: 0; }
h2 { font-size: 1.05rem; margin: 0 0 14px; }
a { color: var(--accent-dark); }
[hidden] { display: none !important; }
code { background: var(--accent-soft); padding: 1px 5px; border-radius: 4px; }

.muted { color: var(--muted); }
.mono { font-family: ui-monospace, Consolas, monospace; letter-spacing: 0.02em; }
.pre { white-space: pre-wrap; }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

/* フォーム部品 */
.field { border: 0; margin: 0 0 16px; padding: 0; min-width: 0; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
label, legend, .label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 5px; padding: 0; }
input, select, textarea {
  width: 100%;
  min-height: 42px;
  font: inherit;
  color: inherit;
  background: var(--surface);
  border: 1px solid #b9c3be;
  border-radius: 7px;
  padding: 8px 10px;
}
input[type="file"] { padding: 7px; }
input[type="radio"], input[type="checkbox"] { width: 18px; height: 18px; min-height: 0; margin: 0; accent-color: var(--accent); }
input:focus-visible, select:focus-visible, textarea:focus-visible, a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.help { color: var(--muted); font-size: 0.82rem; margin: 5px 0 0; }
.req::after, .req-star { color: var(--danger); font-weight: 700; }
.req::after { content: " *"; white-space: pre; }
.required-note { margin: 0 0 12px; }
.choices { display: flex; gap: 10px; flex-wrap: wrap; }
.choice {
  display: flex; align-items: center; gap: 8px; margin: 0; font-weight: 500; cursor: pointer;
  border: 1px solid var(--line); border-radius: 7px; padding: 8px 14px;
}
.consent { border: 0; padding: 8px 0; }
.privacy { margin-top: 0; }
.field-error { color: var(--danger); font-size: 0.84rem; margin: 5px 0 0; }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: var(--danger); }
.form-message {
  color: var(--danger); background: var(--danger-soft);
  padding: 9px 12px; border-radius: 7px; margin: 10px 0;
}
.notice { background: var(--info-soft); color: var(--info); padding: 9px 12px; border-radius: 7px; }

.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 38px; padding: 6px 14px;
  font: inherit; font-weight: 600; font-size: 0.9rem; text-decoration: none; white-space: nowrap;
  color: var(--ink); background: var(--surface);
  border: 1px solid #b9c3be; border-radius: 7px; cursor: pointer;
}
.button:hover { background: #f0f3f1; }
.button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.button.primary:hover { background: var(--accent-dark); }
.button.primary:disabled { opacity: 0.6; cursor: progress; }
.button.subtle { border-color: var(--line); font-weight: 500; color: var(--muted); }
.button.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.button.wide { width: 100%; min-height: 46px; font-size: 1rem; }

/* ゲスト画面 */
.guest-main { max-width: 640px; margin: 0 auto; padding: 28px 16px 56px; }
.login-main { max-width: 400px; padding-top: 12vh; }
.login-main h1 { font-size: 1.2rem; margin-bottom: 16px; }
.guest-header { margin-bottom: 20px; }
.guest-property { color: var(--accent-dark); font-weight: 700; margin: 0 0 2px; }
.guest-header .muted { margin: 8px 0 0; }
.lang-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.lang-list a {
  padding: 3px 11px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--surface); color: var(--muted); text-decoration: none; font-size: 0.85rem;
}
.lang-list a[aria-current] { background: var(--accent); border-color: var(--accent); color: #fff; }
.guest-main > .lang-list { margin: 0 0 20px; }
.time-help { margin: -8px 0 16px; }
.birth-row { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 8px; }
.progress { color: var(--accent-dark); font-weight: 700; margin: 4px 0 0; }
.share-box { background: var(--accent-soft); border-color: #cde6dc; }
.share-box h2 { margin-bottom: 2px; }
.share-box .help { margin: 0 0 10px; }
.slot-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.slot-row {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  background: var(--surface); border: 1px solid var(--line); border-radius: 7px; padding: 6px 10px;
}
.slot-row a { font-weight: 600; color: inherit; text-decoration: none; }
.slot-row a[aria-current] { color: var(--accent-dark); text-decoration: underline; }
.copy-button { margin-left: auto; min-height: 32px; padding: 3px 10px; font-size: 0.82rem; }
.done-card { text-align: center; padding: 40px 24px; margin-top: 12vh; }
.done-card h1 { font-size: 1.3rem; margin-bottom: 8px; }
.done-mark {
  width: 52px; height: 52px; line-height: 52px; margin: 0 auto 14px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent-dark); font-size: 1.5rem; font-weight: 700;
}

/* ゲスト画面の配色と書体。公式サイト（stay.umino24.room.sc）のライトモードに合わせる。 */
body.guest {
  --bg: #fbfaf6;
  --surface: #fffefb;
  --ink: #292a2f;
  --muted: #5f5b54;
  --line: #e4e0d8;
  --accent: #57e2d0;
  --accent-dark: #0d6f64;
  --accent-soft: #dff5f0;
  --terracotta: #8a5a45;
  --radius: 4px;
  --serif: "Shippori Mincho B1", "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif CJK JP", "Noto Serif JP", serif;
  font-family: "Zen Kaku Gothic New", system-ui, -apple-system, "Segoe UI", "Hiragino Sans", "Yu Gothic UI", "Noto Sans JP", "Noto Sans CJK", sans-serif;
}
/* 淡いピーチとミントのにじみ。スマホでも崩れないよう、固定した疑似要素に描く。 */
body.guest::before {
  content: ""; position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(60% 45% at 5% 18%, rgba(244, 200, 170, 0.55), transparent 100%),
    radial-gradient(55% 45% at 98% 42%, rgba(160, 234, 218, 0.5), transparent 100%),
    radial-gradient(65% 40% at 25% 98%, rgba(250, 215, 195, 0.45), transparent 100%);
}
.guest-logo { display: block; width: 72px; height: 72px; margin: 0 auto 16px; }
.guest h1, .guest h2, .guest .guest-property { font-family: var(--serif); font-weight: 600; letter-spacing: 0.04em; }
.guest .guest-header { text-align: center; margin-bottom: 28px; }
.guest .guest-header::after { content: ""; display: block; width: 44px; height: 1px; margin: 18px auto 0; background: #a67763; }
.guest .guest-property { color: var(--terracotta); font-size: 1.05rem; margin-bottom: 6px; }
.guest h1 { font-size: 1.65rem; }
.guest .card { border-color: rgba(41, 42, 47, 0.08); box-shadow: 0 6px 24px rgba(90, 70, 50, 0.07); }
.guest .card > h2 { padding-bottom: 10px; border-bottom: 1px solid var(--line); margin-bottom: 12px; }
.guest input, .guest select, .guest textarea { background: #fff; border-color: #b8b3a8; border-radius: 3px; }
.guest input[type="radio"], .guest input[type="checkbox"] { accent-color: var(--accent-dark); }
.guest :focus-visible { outline-color: var(--accent-dark); }
.guest .choice { border-color: #b8b3a8; border-radius: 3px; background: #fff; }
.guest .choice:has(input:checked) { border-color: var(--accent-dark); background: var(--accent-soft); }
.guest .consent, .guest .consent:has(input:checked) { border: 0; background: none; }
.guest .button { border-radius: 3px; }
.guest .button.primary { background: var(--accent); border-color: var(--accent); color: #292a2f; letter-spacing: 0.06em; }
.guest .button.primary:hover { background: #7beadb; border-color: #7beadb; }
.guest .lang-list a { background: rgba(255, 255, 255, 0.65); border-color: #cfcac0; color: #4d4a45; }
.guest .lang-list a:hover { border-color: #8d887e; }
.guest .lang-list a[aria-current] { background: var(--accent); border-color: var(--accent); color: #292a2f; }
.guest .guest-main > .lang-list { justify-content: center; }
.guest .share-box { background: #f1f8f5; border-color: #cfe7df; }
.guest .slot-row { background: #fff; border-radius: 3px; }

/* 管理画面 */
.topbar {
  display: flex; align-items: center; gap: 14px;
  background: var(--surface); border-bottom: 1px solid var(--line); padding: 10px 24px;
}
.brand { font-weight: 700; color: var(--accent-dark); text-decoration: none; font-size: 1.02rem; }
.topbar-property { color: var(--muted); }
.topbar-actions { margin-left: auto; display: flex; gap: 8px; }
.topbar { flex-wrap: wrap; }
.brand, .topbar-property { white-space: nowrap; }
.topbar form { margin: 0; }
.admin-main { max-width: 1040px; margin: 0 auto; padding: 24px 24px 56px; }
.page-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.form-url { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.filters { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 14px; }
.filters .field { margin: 0; }
.period { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.period input { width: 150px; }
#q { width: 180px; }
#status { width: 120px; }
.filter-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.table-card { padding: 0; overflow: hidden; }
.tabs { display: flex; gap: 6px; padding: 10px 12px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.tabs a { padding: 5px 12px; border-radius: 7px; text-decoration: none; color: var(--muted); font-weight: 600; font-size: 0.9rem; }
.tabs a[aria-current] { background: var(--accent-soft); color: var(--accent-dark); }
.count { display: inline-block; min-width: 20px; padding: 0 5px; text-align: center; border-radius: 999px; background: #e9edeb; font-size: 0.8rem; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 620px; }
th { text-align: left; font-size: 0.8rem; font-weight: 600; color: var(--muted); padding: 10px 16px; border-bottom: 1px solid var(--line); }
td { padding: 11px 16px; border-bottom: 1px solid var(--line); white-space: nowrap; }
tbody tr:hover { background: #f8faf9; }
.row-link { text-decoration: none; color: inherit; display: block; }
tr.clickable { cursor: pointer; }
.row-link .mono { color: var(--accent-dark); font-size: 0.82rem; text-decoration: underline; }
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 0.82rem; font-weight: 600; }
.badge-complete { background: var(--accent-soft); color: var(--accent-dark); }
.badge-none { background: var(--warn-soft); color: var(--warn); }
.badge-partial { background: var(--info-soft); color: var(--info); }
.badge-cancelled { background: #e9edeb; color: var(--muted); }
.badge-over { background: var(--danger-soft); color: var(--danger); }
.sync-bar {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px;
  background: var(--accent-soft); border-radius: var(--radius); padding: 8px 14px; margin-bottom: 16px; font-size: 0.9rem;
}
.sync-bar form { margin: 0; }
.sync-bar.sync-error { background: var(--danger-soft); color: var(--danger); }
.pager { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; padding: 10px 16px; }
.empty { color: var(--muted); text-align: center; padding: 32px 16px; margin: 0; }

details > summary { cursor: pointer; font-weight: 600; }
.add-form { display: grid; grid-template-columns: 1.4fr 1fr 1fr 80px auto; gap: 12px; align-items: end; }
.add-form .field { margin: 0; }

.facts { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px 20px; margin: 0; }
.facts .wide { grid-column: 1 / -1; }
.facts dt { font-size: 0.8rem; color: var(--muted); }
.facts dd { margin: 0; overflow-wrap: anywhere; }
.guest-title { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 14px; }
.guest-title h2 { margin: 0; overflow-wrap: anywhere; }
.danger-zone { margin-top: 16px; }
.danger-zone summary { color: var(--danger); font-weight: 500; font-size: 0.9rem; }
.card form { margin-top: 12px; }
.card.filters, .filters { margin-top: 0; }
/* 予約の詳細：宿泊者は横に1行ずつ並べ、スクロールしても氏名が見えるようにする */
.detail-dialog {
  width: min(1320px, 96vw); max-width: none; max-height: 92vh; overflow: auto;
  border: 0; border-radius: var(--radius); padding: 22px 24px; background: var(--bg); color: var(--ink);
}
.detail-dialog::backdrop { background: rgba(20, 28, 25, 0.55); }
.detail-head { flex-wrap: nowrap; margin-bottom: 14px; }
.detail-head h1 { min-width: 0; overflow-wrap: anywhere; }
.detail-close {
  flex: none; width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line); background: var(--surface);
  position: relative; font-size: 0; color: var(--ink); text-decoration: none;
}
/* 文字の×は書体で位置がずれるので、線を2本引いて円の中央に描く */
.detail-close::before, .detail-close::after {
  content: ""; position: absolute; top: 50%; left: 50%;
  width: 18px; height: 2px; margin: -1px 0 0 -9px; border-radius: 1px; background: currentColor;
}
.detail-close::before { transform: rotate(45deg); }
.detail-close::after { transform: rotate(-45deg); }
.detail-close:hover { background: #f0f3f1; }
.guest-table-title { margin: 0; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.guest-table-card > .empty { padding: 24px 16px; }
.guest-table { min-width: 1500px; }
.guest-table th, .guest-table td { padding: 10px 12px; border-right: 1px solid var(--line); vertical-align: top; }
.guest-table th:last-child, .guest-table td:last-child { border-right: 0; }
.guest-table thead th { background: #f3f5f4; white-space: nowrap; }
.guest-table tbody tr:nth-child(even) td { background: #f8faf9; }
.guest-table tbody tr:hover td { background: var(--accent-soft); }
.guest-table td.wrap { white-space: normal; min-width: 110px; overflow-wrap: anywhere; }
.guest-table td.wide-text { min-width: 240px; }
.guest-table .sticky-col {
  position: sticky; left: 0; z-index: 1; background: var(--surface); white-space: normal;
  min-width: 170px; max-width: 220px; overflow-wrap: anywhere; box-shadow: 1px 0 0 var(--line);
}
.guest-table thead .sticky-col { background: #f3f5f4; }
.guest-role { display: block; font-size: 0.8rem; color: var(--muted); }
.guest-table .help { display: block; margin-top: 3px; font-size: 0.75rem; }
.thumb { display: block; width: 88px; height: 66px; border-radius: 5px; overflow: hidden; background: #e9edeb; }
.thumb img { display: block; width: 100%; height: 100%; object-fit: cover; }
.thumb:hover { outline: 2px solid var(--accent); }
.row-actions { display: flex; gap: 6px; }
.row-actions form, .guest-table form { margin: 0; }
.danger-text { color: var(--danger); }

.flash { padding: 9px 14px; border-radius: 7px; margin: 0 0 14px; }
.flash-success { background: var(--accent-soft); color: var(--accent-dark); }
.flash-error { background: var(--danger-soft); color: var(--danger); }

.guest-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.edit-reservation { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 14px; }
.edit-reservation .field { margin: 0; }
.edit-reservation input[type="time"] { width: 140px; }
.form-narrow { max-width: 640px; }
.url-row { display: flex; gap: 8px; flex-wrap: wrap; }
.url-row input { flex: 1 1 260px; background: #f3f5f4; }

@media (max-width: 640px) {
  .detail-dialog { width: 100vw; max-height: 100dvh; height: 100dvh; border-radius: 0; padding: 14px; }
  .guest-table .sticky-col { min-width: 130px; max-width: 150px; }
  .field-row { grid-template-columns: 1fr; }
  .admin-main { padding: 16px 16px 40px; }
  .topbar { padding: 10px 16px; }
  .period input { flex: 1 1 130px; width: auto; }
  .filters .field, #q, #status { width: 100%; }
  .add-form { grid-template-columns: 1fr; }
}