:root {
  --bg: #f5f5f7;
  --card: #ffffff;
  --text: #1d1d1f;
  --gray: #6e6e73;
  --line: #e3e3e8;
  --soft: #f0f0f3;
  --pink: #e0507a;
  --pink-soft: #fdebf1;
  --done: #34c759;
  --radius: 16px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111113;
    --card: #1c1c1f;
    --text: #f5f5f7;
    --gray: #a1a1a6;
    --line: #2f2f34;
    --soft: #26262a;
    --pink-soft: #3a1e28;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", "Meiryo", sans-serif;
  line-height: 1.6;
}
.wrap { max-width: 640px; margin: 0 auto; padding: 24px 16px 64px; }
.head { display: flex; align-items: center; gap: 12px; margin: 8px 0 20px; }
.logo { border-radius: 10px; flex: none; }
h1 { font-size: 22px; margin: 0; letter-spacing: .02em; }
.sub { margin: 0; color: var(--gray); font-size: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; }
.label { display: block; font-weight: 700; font-size: 15px; margin-bottom: 8px; }
.label.second { margin-top: 18px; }
.opt { margin-left: 8px; color: var(--gray); font-weight: 400; font-size: 13px; }
input[type="url"] {
  width: 100%;
  height: 48px;
  font: inherit;
  font-size: 16px;
  color: var(--text);
  background: var(--soft);
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 0 14px;
  outline: none;
}
input[type="url"]:focus { border-color: var(--pink); background: var(--card); }
.banner { margin: 0 0 16px; padding: 12px 16px; border-radius: 12px; background: var(--soft); color: var(--text); font-size: 14px; font-weight: 600; }
.foot { margin: 32px 0 0; color: var(--gray); font-size: 12px; text-align: center; }
textarea {
  width: 100%;
  resize: vertical;
  min-height: 120px;
  font: inherit;
  font-size: 16px;
  color: var(--text);
  background: var(--soft);
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 12px 14px;
  outline: none;
}
textarea:focus { border-color: var(--pink); background: var(--card); }
.hint { color: var(--gray); font-size: 13px; margin: 8px 0 0; }
.actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 16px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  font: inherit;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  cursor: pointer;
}
.btn.primary { background: var(--pink); border-color: var(--pink); color: #fff; }
.btn:disabled { opacity: .5; cursor: default; }
.meta { color: var(--gray); font-size: 13px; }
.error { margin: 14px 0 0; padding: 10px 14px; border-radius: 10px; background: var(--pink-soft); color: var(--pink); font-size: 14px; font-weight: 600; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.steps li { display: flex; flex-direction: column; align-items: center; gap: 6px; color: var(--gray); font-size: 12px; text-align: center; white-space: nowrap; }
.steps .dot { width: 28px; height: 28px; border-radius: 50%; background: var(--soft); border: 2px solid var(--line); display: grid; place-items: center; font-size: 13px; font-weight: 700; }
.steps li.on { color: var(--text); font-weight: 700; }
.steps li.on .dot { border-color: var(--pink); color: var(--pink); animation: pulse 1.2s ease-in-out infinite; }
.steps li.ok .dot { background: var(--done); border-color: var(--done); color: #fff; }
@keyframes pulse { 50% { box-shadow: 0 0 0 6px var(--pink-soft); } }
.now { margin: 16px 0 0; display: flex; justify-content: space-between; gap: 12px; font-size: 14px; }
.time { color: var(--gray); font-variant-numeric: tabular-nums; white-space: nowrap; }
.result { padding: 12px; }
.result img { display: block; width: 100%; height: auto; border-radius: 10px; background: var(--soft); }
.result-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 12px 8px 4px; }
.result-bar .actions { margin-top: 0; }
.result-info { display: flex; flex-direction: column; min-width: 0; }
.result-info strong { font-size: 16px; }
.history h2 { font-size: 16px; margin: 28px 0 12px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }
.thumb { display: block; background: var(--card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; color: inherit; text-decoration: none; padding: 0; font: inherit; text-align: left; cursor: pointer; }
.thumb img { display: block; width: 100%; aspect-ratio: 3 / 4; object-fit: cover; object-position: top; background: var(--soft); }
.thumb span { display: block; padding: 8px 10px; font-size: 13px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 420px) {
  h1 { font-size: 20px; }
  .card { padding: 16px; }
  .steps li { font-size: 11px; }
}