:root {
  --bg: #f4f6f5;
  --card: #ffffff;
  --ink: #1e2a26;
  --muted: #5f6d68;
  --line: #d9e0dd;
  --brand: #1f7a5c;
  --brand-ink: #ffffff;
  --brand-soft: #e6f2ed;
  --req: #c2410c;
  --err: #b42318;
  --err-soft: #fdecea;
  --ok-soft: #e7f5ee;
  --radius: 10px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.7 "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", Meiryo, sans-serif;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 24px 16px 64px; }
.brand { font-size: 13px; color: var(--muted); letter-spacing: .04em; margin-bottom: 6px; }
h1 { font-size: 22px; line-height: 1.45; margin: 0 0 18px; }
h2 { font-size: 17px; margin: 0 0 4px; padding-bottom: 8px; border-bottom: 2px solid var(--brand-soft); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; }
.note { color: var(--muted); font-size: 14px; margin: 6px 0 4px; }
.field { margin-top: 18px; }
.field > label, .field > .lbl { display: block; font-weight: 600; font-size: 15px; margin-bottom: 6px; }
.req { display: inline-block; font-size: 11px; font-weight: 700; color: var(--req); border: 1px solid var(--req); border-radius: 4px; padding: 0 5px; margin-left: 6px; vertical-align: 2px; }
.help { font-size: 13px; color: var(--muted); margin: -2px 0 6px; }
input[type=text], input[type=email], input[type=tel], input[type=date], input[type=number], select, textarea {
  width: 100%; font: inherit; color: inherit; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: #fff;
}
textarea { min-height: 110px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand); outline-offset: 1px; border-color: var(--brand); }
.choices { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.choices label { display: inline-flex; align-items: center; gap: 8px; font-weight: 400; cursor: pointer; padding: 4px 0; }
.choices input { width: 18px; height: 18px; accent-color: var(--brand); }
.files { display: grid; gap: 6px; margin-top: 8px; }
.file { display: flex; align-items: center; gap: 10px; font-size: 14px; background: var(--brand-soft); border-radius: 6px; padding: 6px 10px; }
.file .nm { flex: 1; overflow-wrap: anywhere; }
.file a { color: var(--brand); }
.x { border: 0; background: none; color: var(--muted); font-size: 18px; cursor: pointer; line-height: 1; padding: 2px 6px; }
.err { color: var(--err); font-size: 13px; margin-top: 4px; }
.has-err input, .has-err select, .has-err textarea { border-color: var(--err); }
.btn { display: inline-block; font: inherit; font-weight: 700; border: 0; border-radius: 999px; padding: 13px 28px; cursor: pointer; background: var(--brand); color: var(--brand-ink); text-decoration: none; }
.btn:disabled { opacity: .55; cursor: wait; }
.btn.sub { background: #fff; color: var(--brand); border: 1px solid var(--brand); }
.btn.sm { padding: 8px 16px; font-size: 14px; }
.center { text-align: center; }
.banner { border-radius: 8px; padding: 12px 14px; margin: 0 0 16px; font-size: 15px; }
.banner.err { background: var(--err-soft); color: var(--err); }
.banner.ok { background: var(--ok-soft); color: var(--brand); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.foot { text-align: center; color: var(--muted); font-size: 12px; margin-top: 28px; }
.list { display: grid; gap: 10px; }
.item { display: block; text-decoration: none; color: inherit; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.item:hover { border-color: var(--brand); }
.item .t { font-weight: 700; }
.item .m { font-size: 13px; color: var(--muted); }
.kv { display: grid; grid-template-columns: 11em 1fr; gap: 6px 14px; font-size: 15px; margin-top: 10px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; overflow-wrap: anywhere; }
@media (max-width: 520px) { .kv { grid-template-columns: 1fr; } .kv dt { margin-top: 6px; } }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 14px; font-size: 14px; color: var(--muted); }
.topbar a, .linkbtn { color: var(--brand); background: none; border: 0; font: inherit; cursor: pointer; padding: 0; text-decoration: underline; }
.comment { border-top: 1px solid var(--line); padding: 10px 0; font-size: 14px; white-space: pre-wrap; }
.comment .by { color: var(--muted); font-size: 12px; }
.code-input { font-size: 26px !important; letter-spacing: .4em; text-align: center; max-width: 240px; }
.spinner { color: var(--muted); padding: 30px 0; text-align: center; }

/* 事業者マイページの一覧：利用者名の横に受講生・行為 */
.item .t .st { font-weight: 400; font-size: 14px; margin-left: 12px; }
.item .t .ko { color: var(--muted); margin-left: 4px; }