:root {
  color-scheme: light;
  --bg: #f4f6f2;
  --panel: #fff;
  --text: #1f2933;
  --muted: #6b7280;
  --accent: #8f3f4c;
  --line: #d9ded6;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Hiragino Sans", "Yu Gothic UI", "Meiryo", sans-serif;
  line-height: 1.6;
}

.page-shell { max-width: 1100px; margin: 0 auto; padding: 24px 16px 48px; }

.notice-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(0, 0, 0, .8);
}
.notice-overlay[hidden] { display: none; }
.notice-box {
  max-width: 640px;
  width: 100%;
  background: #fff;
  border: 6px solid #dc2626;
  border-radius: 16px;
  padding: 28px 24px;
  text-align: center;
}
.notice-box h2 { margin: 0 0 16px; color: #dc2626; font-size: 2.2rem; }
.notice-main { margin: 0 0 16px; font-size: 1.4rem; font-weight: 700; }
.notice-sub { margin: 0 0 24px; font-size: 1.15rem; }
.notice-sub strong { color: #dc2626; }
.notice-box button { font-size: 1.1rem; padding: 10px 24px; }

.hero h1 { margin: 0 0 4px; }
.eyebrow { margin: 0; color: var(--accent); font-weight: 700; letter-spacing: .08em; font-size: .8rem; }
.hero-copy { margin: 4px 0 8px; color: var(--muted); }
.version-badge { font-size: .8rem; color: var(--muted); }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 20px;
  margin-top: 16px;
}
.panel[hidden] { display: none; }
.panel h2 { margin: 0 0 8px; font-size: 1.1rem; }
.panel h3 { margin: 24px 0 8px; font-size: 1rem; }

.howto { margin: 0 0 8px; padding-left: 1.4em; }
.privacy { margin: 0 0 8px; font-size: .85rem; color: var(--muted); }
code { background: #eef0ec; padding: 1px 4px; border-radius: 4px; }

textarea {
  width: 100%;
  font-family: Consolas, monospace;
  font-size: .8rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
  resize: vertical;
}

.actions, .view-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 8px 0; }

button, select, input[type="search"] {
  font: inherit;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
button { cursor: pointer; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }

#status { color: var(--muted); font-size: .9rem; }
.warnings { margin: 4px 0 0; padding-left: 1.2em; color: #b45309; font-size: .85rem; }
.warnings:empty { display: none; }

.total { font-size: 1.1rem; margin: 8px 0; }
.total strong { font-size: 1.8rem; }
.muted { color: var(--muted); font-size: .9rem; }

table { border-collapse: collapse; width: 100%; }
th, td { padding: 6px 10px; border: 1px solid var(--line); text-align: left; }
th { background: #f0f2ee; font-size: .85rem; white-space: nowrap; }
td.num { text-align: right; font-variant-numeric: tabular-nums; }
td.total-col { font-weight: 700; }
.table-wrap { overflow-x: auto; max-height: 70vh; overflow-y: auto; }
.item-table thead th { position: sticky; top: 0; }