:root {
  --ink: #22303c;
  --ink-soft: #55646f;
  --line: #e3e8eb;
  --bg: #ffffff;
  --bg-soft: #f6f8f9;
  --navy: #23506f;
  --navy-dark: #1a3d55;
  --gold: #a98a4b;
  --ok: #2e6b3f;
  --ok-bg: #edf6ef;
  --err: #a33a2a;
  --err-bg: #fbefec;
  --radius: 10px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg-soft);
  color: var(--ink);
  font: 16px/1.7 "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
}
.wrap { max-width: 480px; margin: 0 auto; padding: 24px 16px 48px; }
.org { margin: 0; color: var(--gold); font-size: 14px; letter-spacing: .1em; }
h1 { margin: 4px 0; font-size: 22px; line-height: 1.4; color: var(--navy-dark); }
.muted { color: var(--ink-soft); margin: 0 0 16px; }
.small { font-size: 13px; }
.card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin: 16px 0;
}
.center { text-align: center; }
.remain { margin: 0; font-size: 18px; }
.remain strong { font-size: 32px; color: var(--navy); margin: 0 4px; }
label { display: block; margin-bottom: 16px; font-weight: bold; font-size: 15px; }
.optional { margin-left: 8px; padding: 1px 6px; border-radius: 4px; background: var(--bg-soft); color: var(--ink-soft); font-size: 12px; font-weight: normal; }
.check {
  display: flex; align-items: center; gap: 12px;
  padding: 12px; border: 1px solid #c9d2d8; border-radius: 8px; background: #fff; cursor: pointer;
}
.check input { width: 24px; height: 24px; margin: 0; accent-color: var(--navy); flex: none; }
.check:has(input:checked) { border-color: var(--navy); background: #eef3f7; }
textarea { resize: vertical; font-family: inherit; line-height: 1.6; }
input, select, textarea {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 12px;
  font-size: 16px; /* iPhoneで自動ズームしない大きさ */
  border: 1px solid #c9d2d8;
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
}
button, .button {
  display: block;
  width: 100%;
  padding: 14px;
  border: 0;
  border-radius: 8px;
  background: var(--navy);
  color: #fff;
  font-size: 17px;
  font-weight: bold;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}
button:disabled { background: #8a9aa6; cursor: wait; }
.msg {
  padding: 14px 16px;
  border-radius: 8px;
  background: var(--err-bg);
  color: var(--err);
  font-weight: bold;
}
.msg.ok { background: var(--ok-bg); color: var(--ok); }
#qr { width: 240px; height: 240px; image-rendering: pixelated; }
.info { display: grid; grid-template-columns: auto 1fr; gap: 4px 16px; text-align: left; margin: 16px 0 20px; }
.info dt { color: var(--ink-soft); }
.info dd { margin: 0; font-weight: bold; }
/* 入場受付（スキャナー） */
.camera { position: relative; margin: 16px 0; border-radius: var(--radius); overflow: hidden; background: #000; aspect-ratio: 1 / 1; }
.camera video { width: 100%; height: 100%; object-fit: cover; display: block; }
.result {
  position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center;
  text-align: center; padding: 16px; color: #fff; cursor: pointer;
}
.result.ok { background: rgba(46, 125, 70, .95); }
.result.used { background: rgba(196, 128, 20, .95); }
.result.error { background: rgba(163, 58, 42, .95); }
.result.wait { background: rgba(34, 48, 60, .85); }
.r-title { margin: 0; font-size: 40px; font-weight: bold; }
.r-detail { margin: 8px 0 0; font-size: 20px; white-space: pre-line; }
.r-next { margin: 24px 0 0; font-size: 14px; opacity: .85; }
.result.wait .r-next, .result.ok .r-next { display: none; }
.link { background: none; color: var(--ink-soft); font-size: 14px; font-weight: normal; text-decoration: underline; margin-top: 24px; }
[hidden] { display: none !important; }