:root {
  --bg: #f6f5f2;
  --surface: #ffffff;
  --ink: #1d1b22;
  --ink-2: #5d5966;
  --line: #e4e1ea;
  --accent: #5b3fd6;
  --accent-ink: #ffffff;
  --accent-soft: #eeeafc;
  --danger: #c2372d;
  --ok: #1f7a4d;
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131217;
    --surface: #1c1b22;
    --ink: #f1eff5;
    --ink-2: #a9a4b4;
    --line: #2e2c37;
    --accent: #9b85ff;
    --accent-ink: #15131c;
    --accent-soft: #262040;
    --danger: #ff7a6e;
    --ok: #5fd39a;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans JP", system-ui, -apple-system, "Hiragino Sans", sans-serif;
  line-height: 1.7;
  font-size: 16px;
}
a { color: var(--accent); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 640px; }

header.top { padding: 40px 0 24px; }
header.top .eyebrow { font-size: 13px; color: var(--ink-2); letter-spacing: .04em; margin: 0 0 6px; }
header.top h1 { font-size: clamp(24px, 4.4vw, 38px); line-height: 1.3; margin: 0 0 12px; letter-spacing: .01em; }
header.top p.lead { margin: 0; color: var(--ink-2); }
.bar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; margin: 20px 0 28px; }
.count { color: var(--ink-2); font-size: 14px; }

.btn {
  appearance: none; border: 0; cursor: pointer; text-decoration: none;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--accent); color: var(--accent-ink);
  font: inherit; font-weight: 700; font-size: 15px;
  padding: 12px 22px; border-radius: 999px; min-height: 48px;
}
.btn:disabled { opacity: .5; cursor: default; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn.small { min-height: 36px; padding: 6px 14px; font-size: 13px; }
.btn.danger { background: transparent; color: var(--danger); border: 1px solid var(--line); }

/* 一覧 */
.grid { columns: 3 300px; column-gap: 18px; }
.card {
  break-inside: avoid; margin: 0 0 18px; background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
.card .media { background: #000; }
.card video, .card img { display: block; width: 100%; max-height: 520px; object-fit: contain; background: #000; }
.card .body { padding: 16px 18px 18px; }
.card .comment { white-space: pre-wrap; word-break: break-word; margin: 0 0 14px; }
.card .who { display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: baseline; font-size: 14px; }
.card .name { font-weight: 700; }
.card .meta { color: var(--ink-2); font-size: 12px; }
.card.new { animation: pop .6s ease-out; }
@keyframes pop { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.empty { text-align: center; color: var(--ink-2); padding: 64px 16px; border: 1px dashed var(--line); border-radius: var(--radius); }
h2.event { font-size: 15px; color: var(--ink-2); font-weight: 700; margin: 8px 0 14px; }

/* フォーム */
form.post { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 20px; margin-bottom: 48px; }
fieldset { border: 0; padding: 0; margin: 0 0 8px; }
legend { font-weight: 700; font-size: 15px; margin-bottom: 4px; padding: 0; }
.field { margin: 0 0 22px; }
.field label.l { display: block; font-weight: 700; font-size: 15px; margin-bottom: 6px; }
.tag { display: inline-block; font-size: 11px; font-weight: 700; padding: 1px 8px; border-radius: 999px; margin-left: 6px; vertical-align: 2px; }
.tag.pub { background: var(--accent-soft); color: var(--accent); }
.tag.priv { background: var(--line); color: var(--ink-2); }
.tag.req { color: var(--danger); padding: 0; margin-left: 4px; }
.hint { font-size: 13px; color: var(--ink-2); margin: 4px 0 0; }
input[type=text], input[type=password], textarea, select {
  width: 100%; font: inherit; font-size: 16px; color: var(--ink);
  background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px;
}
textarea { min-height: 140px; resize: vertical; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.choices { display: flex; flex-wrap: wrap; gap: 8px; }
.choices label {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; min-height: 44px;
  border: 1px solid var(--line); border-radius: 999px; cursor: pointer; font-size: 15px;
}
.choices input { accent-color: var(--accent); }
.choices label:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.drop {
  display: block; border: 2px dashed var(--line); border-radius: var(--radius); padding: 22px 16px;
  text-align: center; cursor: pointer; color: var(--ink-2);
}
.drop strong { color: var(--ink); display: block; }
.drop input { display: none; }
.preview { margin-top: 12px; }
.preview video, .preview img { max-width: 100%; max-height: 300px; border-radius: 10px; display: block; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; }
.consent input { width: 22px; height: 22px; margin-top: 3px; accent-color: var(--accent); flex: none; }
.divider { border: 0; border-top: 1px solid var(--line); margin: 28px 0 22px; }
.progress { height: 8px; background: var(--line); border-radius: 999px; overflow: hidden; margin: 14px 0 6px; }
.progress span { display: block; height: 100%; width: 0; background: var(--accent); transition: width .2s; }
.msg { font-size: 14px; margin: 10px 0 0; }
.msg.err { color: var(--danger); }
.msg.ok { color: var(--ok); }
.done { text-align: center; padding: 40px 20px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.done h2 { margin: 0 0 8px; }
.done .row { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 20px; }
[hidden] { display: none !important; }

/* 管理 */
table { width: 100%; border-collapse: collapse; font-size: 14px; background: var(--surface); }
th, td { text-align: left; vertical-align: top; padding: 10px; border-bottom: 1px solid var(--line); }
th { font-size: 12px; color: var(--ink-2); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 0 0 24px; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.stat b { display: block; font-size: 26px; }
.stat span { color: var(--ink-2); font-size: 13px; }
.qr { background: #fff; padding: 16px; border-radius: var(--radius); display: inline-block; }
tr.is-hidden td { opacity: .45; }
footer { color: var(--ink-2); font-size: 12px; padding: 32px 0 48px; text-align: center; }