:root {
  --bg: #f5f6f8; --card: #fff; --ink: #22272e; --sub: #6b7280;
  --accent: #0f766e; --accent-soft: #ccfbf1; --border: #e5e7eb;
  --ok: #059669; --ok-soft: #d1fae5; --warn: #d97706; --warn-soft: #fef3c7;
  --ng: #6b7280; --ng-soft: #f3f4f6; --danger: #dc2626; --danger-soft: #fee2e2;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: "Hiragino Sans", "Yu Gothic UI", "Meiryo", sans-serif;
       background: var(--bg); color: var(--ink); line-height: 1.7; }
a { color: var(--accent); }
.wrap { max-width: 960px; margin: 0 auto; padding: 20px 16px 64px; }
.site-header { background: var(--card); border-bottom: 1px solid var(--border); }
.site-header .inner { max-width: 960px; margin: 0 auto; padding: 12px 16px;
                      display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.site-header .brand { font-weight: 800; font-size: 1.05rem; text-decoration: none; color: var(--ink); }
.site-header nav { display: flex; gap: 4px; flex-wrap: wrap; margin-left: auto; }
.site-header nav a { text-decoration: none; font-size: .85rem; padding: 6px 10px; border-radius: 8px; color: var(--sub); }
.site-header nav a.active, .site-header nav a:hover { background: var(--accent-soft); color: var(--accent); }
.badge { display: inline-block; font-size: .7rem; padding: 2px 10px; border-radius: 999px;
         background: var(--accent-soft); color: var(--accent); font-weight: 700; }
.disclaimer { font-size: .8rem; color: var(--sub); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px;
        padding: 18px 20px; margin-bottom: 16px; }
h1 { font-size: 1.3rem; margin: 14px 0; }
h2 { font-size: 1.02rem; margin: 0 0 12px; }
.btn { display: inline-block; cursor: pointer; border: none; border-radius: 9px; padding: 10px 18px;
       font-size: .92rem; font-weight: 700; background: var(--accent); color: #fff; text-decoration: none; }
.btn.secondary { background: #fff; color: var(--accent); border: 1.5px solid var(--accent); }
.btn.small { padding: 4px 10px; font-size: .78rem; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
table { border-collapse: collapse; width: 100%; font-size: .86rem; background: var(--card); }
th, td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; vertical-align: top; }
th { background: #f9fafb; white-space: nowrap; }
.table-scroll { overflow-x: auto; }
.chip { display: inline-block; font-size: .74rem; font-weight: 700; padding: 2px 10px; border-radius: 999px; white-space: nowrap; }
.chip.pending { background: var(--warn-soft); color: var(--warn); }
.chip.confirmed { background: var(--accent-soft); color: var(--accent); }
.chip.done { background: var(--ok-soft); color: var(--ok); }
.chip.cancelled { background: var(--ng-soft); color: var(--ng); }
.flash { padding: 10px 14px; border-radius: 9px; font-size: .88rem; margin-bottom: 14px; }
.flash.success { background: var(--ok-soft); color: var(--ok); }
.flash.error { background: var(--danger-soft); color: var(--danger); }
.errors { background: var(--danger-soft); color: var(--danger); border-radius: 9px;
          padding: 10px 14px 10px 28px; font-size: .86rem; margin-bottom: 14px; }
form.stack label { display: block; font-size: .84rem; font-weight: 700; margin: 14px 0 4px; }
form.stack .required::after { content: " *"; color: var(--danger); }
form.stack input[type=text], form.stack input[type=email], form.stack input[type=tel],
form.stack input[type=password], form.stack input[type=date], form.stack textarea, form.stack select {
  width: 100%; padding: 10px 12px; border: 1.5px solid var(--border); border-radius: 9px;
  font-size: .95rem; font-family: inherit; }
form.stack input:focus, form.stack textarea:focus { outline: none; border-color: var(--accent); }
.menu-list { display: grid; gap: 12px; }
.menu-item { display: flex; align-items: center; gap: 14px; justify-content: space-between;
             border: 1px solid var(--border); border-radius: 12px; padding: 14px 18px; background: var(--card); }
.menu-item .name { font-weight: 800; }
.menu-item .meta { font-size: .82rem; color: var(--sub); }
.menu-item .price { font-weight: 800; white-space: nowrap; }
.slot-grid { border-collapse: collapse; width: 100%; font-size: .8rem; table-layout: fixed; }
.slot-grid th, .slot-grid td { border: 1px solid var(--border); padding: 4px 2px; text-align: center; }
.slot-grid th.today { background: var(--accent-soft); }
.slot-grid a.slot { display: block; text-decoration: none; font-weight: 700; color: var(--accent);
                    border-radius: 6px; padding: 2px 0; }
.slot-grid a.slot:hover { background: var(--accent-soft); }
.slot-grid .na { color: #cbd5e1; }
.week-nav { display: flex; justify-content: space-between; align-items: center; margin: 10px 0; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; text-align: center; }
.stat .num { font-size: 1.5rem; font-weight: 800; color: var(--accent); }
.stat .label { font-size: .76rem; color: var(--sub); }
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.filter-bar input, .filter-bar select { padding: 7px 10px; border: 1.5px solid var(--border); border-radius: 8px; font-size: .86rem; }
.pagination { display: flex; gap: 6px; margin-top: 14px; font-size: .85rem; flex-wrap: wrap; }
.pagination a, .pagination span { padding: 4px 10px; border-radius: 7px; border: 1px solid var(--border);
                                  text-decoration: none; background: var(--card); }
.pagination .active { background: var(--accent); color: #fff; border-color: var(--accent); }
.pagination .disabled { color: #cbd5e1; }
pre.mail-body { white-space: pre-wrap; background: #f9fafb; border: 1px solid var(--border);
                border-radius: 9px; padding: 10px 14px; font-size: .82rem; font-family: inherit; margin: 0; }
.footer { font-size: .78rem; color: var(--sub); text-align: center; margin-top: 40px; }
.complete-box { text-align: center; padding: 36px 20px; }
.complete-box .code { font-size: 1.6rem; font-weight: 800; letter-spacing: .05em; color: var(--accent); }
dl.detail { display: grid; grid-template-columns: 9em 1fr; gap: 6px 12px; font-size: .9rem; margin: 0; }
dl.detail dt { color: var(--sub); font-weight: 700; }
dl.detail dd { margin: 0; }
@media (max-width: 640px) {
  .slot-grid { font-size: .68rem; }
  dl.detail { grid-template-columns: 7em 1fr; }
}