@charset "UTF-8";
:root{--fg:#222;--sub:#666;--line:#d8d8d8;--bg:#fff;--accent:#0b5fa5;--warn:#b3261e;--soft:#f6f7f9}
*{box-sizing:border-box}
body{margin:0;font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;
  color:var(--fg);background:var(--bg);line-height:1.7;font-size:16px}
.hd{padding:16px;border-bottom:1px solid var(--line)}
.hd__shop{margin:0;font-size:13px;color:var(--sub)}
.hd__title{margin:4px 0 0;font-size:20px}
.main{max-width:720px;margin:0 auto;padding:16px}
.ft{max-width:720px;margin:32px auto 48px;padding:16px;border-top:1px solid var(--line);
  color:var(--sub);font-size:13px}
.lead h2{font-size:18px;margin:16px 0 8px}
.lead__period{color:var(--warn);font-weight:bold}
.sub{font-size:16px;margin:24px 0 8px}
.alert{border:1px solid var(--warn);background:#fdf3f2;padding:12px 16px;border-radius:4px;margin:16px 0}
.alert ul{margin:0;padding-left:1.2em}
.warn{border-left:4px solid var(--warn);padding:8px 12px;background:var(--soft);margin:24px 0}
.form{margin-top:24px}
.field{margin-bottom:24px}
.field label{display:block;font-weight:bold;margin-bottom:6px}
.field input[type=text],.field input[type=email],.field input[type=number],
.field textarea,.field select{
  width:100%;padding:10px;font-size:16px;border:1px solid var(--line);border-radius:4px;background:#fff}
.field input[type=number]{max-width:10em}
.note{margin:6px 0 0;font-size:13px;color:var(--sub)}
.req{display:inline-block;margin-left:6px;padding:1px 6px;font-size:11px;font-weight:normal;
  color:#fff;background:var(--warn);border-radius:2px;vertical-align:2px}
.qs{border:1px solid var(--line);border-radius:4px;padding:16px;margin:24px 0}
.qs legend{font-weight:bold;padding:0 6px}
.choice{display:block;font-weight:normal;margin:4px 0}
.choice input{margin-right:6px}
.kv{width:100%;border-collapse:collapse;margin:16px 0}
.kv th,.kv td{border:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}
.kv th{width:11em;background:var(--soft);font-weight:bold}
.kv .em{font-weight:bold;color:var(--accent)}
.actions{margin:32px 0;display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 24px;font-size:16px;border-radius:4px;
  border:1px solid var(--accent);cursor:pointer;text-decoration:none;text-align:center}
.btn--primary{background:var(--accent);color:#fff}
.btn--plain{background:#fff;color:var(--accent)}
@media (max-width:560px){
  .kv th,.kv td{display:block;width:auto;border-top:none}
  .kv tr:first-child th{border-top:1px solid var(--line)}
  .btn{width:100%}
}

/* ---- 賞品の選択 ---- */
.hd{display:flex;align-items:center;gap:12px}
.hd__logo{flex:none}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.lead__catch{font-weight:bold;font-size:17px;color:var(--accent);margin:8px 0}
.sec{font-size:16px;margin:32px 0 12px;padding-bottom:6px;border-bottom:2px solid var(--accent)}
.prizes{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.prize{display:flex;flex-direction:column;border:2px solid var(--line);border-radius:6px;
  padding:10px;cursor:pointer;background:#fff;position:relative}
.prize:hover{border-color:var(--accent)}
.prize--on,.prize:has(input:checked){border-color:var(--accent);background:#eef5fb}
.prize input{position:absolute;top:10px;left:10px;width:20px;height:20px;z-index:1}
.prize__img{width:100%;height:150px;object-fit:cover;border-radius:4px;background:var(--soft)}
.prize__body{display:block;margin-top:8px}
.prize__name{display:block;font-weight:bold;font-size:14px;line-height:1.4}
.prize__desc{display:block;font-size:12px;color:var(--sub);margin-top:4px;line-height:1.5}
.prize__meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px;font-size:12px}
.prize__stock{background:var(--warn);color:#fff;padding:2px 8px;border-radius:2px;font-weight:bold}
.prize__pt{background:var(--soft);padding:2px 8px;border-radius:2px}
.picked{display:flex;gap:16px;border:2px solid var(--accent);border-radius:6px;padding:12px;
  margin:16px 0;background:#eef5fb;align-items:flex-start}
.picked__img{width:160px;height:120px;object-fit:cover;border-radius:4px;flex:none}
.picked__label{margin:0;font-size:12px;color:var(--sub)}
.picked__name{margin:2px 0 6px;font-size:17px;font-weight:bold}
.picked__desc{margin:0;font-size:13px;color:var(--sub);line-height:1.6}
@media (max-width:560px){
  .prizes{grid-template-columns:1fr 1fr;gap:8px}
  .prize__img{height:110px}
  .prize__name{font-size:13px}
  .prize__desc{display:none}
  .picked{flex-direction:column}
  .picked__img{width:100%;height:160px}
}

/* ---- ヘッダーの導線 ------------------------------------------------------ */

.hd { flex-wrap: wrap; }

.hd__home {
  display: inline-flex;
  flex: none;
  text-decoration: none;
}

.hd__link {
  flex: none;
  margin-left: auto;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
}

.hd__link:hover { background: #f3f6f9; }

.ft a { color: inherit; }

@media (max-width: 480px) {
  .hd__title { flex: 1 1 100%; order: 3; }
  .hd__link { margin-left: auto; }
}