:root {
  --brand: #4b9f11;
  --brand-dark: #3d840d;
  --brand-soft: #eef7e6;
  --ink: #233027;
  --gray: #6b7770;
  --line: #dfe6df;
  --bg: #f6f8f4;
  --danger: #c0392b;
  --radius: 12px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 0 16px 48px; }
.admin-wrap { max-width: 1040px; }

/* header */
.site-header {
  background: #fff;
  border-bottom: 3px solid var(--brand);
}
.site-header .inner {
  max-width: 720px; margin: 0 auto; padding: 14px 16px;
  display: flex; align-items: center; gap: 12px;
}
.admin-wrap.inner, .site-header.admin .inner { max-width: 1040px; }
.site-header img { height: 40px; width: auto; }
.site-header h1 { font-size: 1.05rem; margin: 0; }
.site-header .sub { font-size: .8rem; color: var(--gray); }

/* card */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px; margin: 16px 0; box-shadow: 0 1px 2px rgba(0,0,0,.03);
}
h2 { font-size: 1.1rem; margin: 4px 0 12px; }
.lead { color: var(--gray); font-size: .9rem; }

/* form */
label { display: block; font-weight: 600; font-size: .9rem; margin: 14px 0 4px; }
.req { color: var(--danger); font-size: .8rem; margin-left: 4px; }
input, select, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line);
  border-radius: 8px; font-size: 1rem; font-family: inherit; background: #fff;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand-soft); border-color: var(--brand); }
textarea { min-height: 80px; resize: vertical; }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > div { flex: 1; min-width: 160px; }

/* slot buttons */
.dates { margin-top: 6px; }
.time-grid { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.time-btn {
  padding: 8px 14px; border: 1px solid var(--brand); background: #fff; color: var(--brand-dark);
  border-radius: 20px; cursor: pointer; font-size: .95rem;
}
.time-btn.selected { background: var(--brand); color: #fff; }

/* buttons */
.btn {
  display: inline-block; background: var(--brand); color: #fff; border: 0;
  padding: 12px 22px; border-radius: 8px; font-size: 1rem; font-weight: 700;
  cursor: pointer; text-decoration: none;
}
.btn:hover { background: var(--brand-dark); }
.btn:disabled { background: #b9c6b9; cursor: not-allowed; }
.btn.ghost { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.btn.danger { background: var(--danger); }
.btn.sm { padding: 6px 12px; font-size: .85rem; }

/* misc */
.notice { background: var(--brand-soft); border-left: 4px solid var(--brand); padding: 10px 14px; border-radius: 0 8px 8px 0; font-size: .9rem; }
.error { color: var(--danger); font-weight: 600; }
.muted { color: var(--gray); font-size: .85rem; }
.hidden { display: none !important; }
.center { text-align: center; }
.pill { display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: .78rem; font-weight: 700; }
.s-confirmed { background: #e6f3ff; color: #1d5fa8; }
.s-done { background: #e7f6e7; color: #2e7d32; }
.s-canceled { background: #f3e6e6; color: #b53a2c; }
.s-no_show { background: #efeae0; color: #8a6d3b; }

/* table (admin) */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); font-size: .9rem; vertical-align: top; }
th { color: var(--gray); font-size: .78rem; }
.footer { text-align: center; color: var(--gray); font-size: .8rem; margin-top: 24px; }