:root {
  --ink: #1d2733;
  --sub: #5b6774;
  --line: #e2e6ea;
  --bg: #f6f7f9;
  --card: #fff;
  --main: #0b7a53;
  --main-weak: #e3f3ec;
  --warn: #b45309;
  --warn-weak: #fff4e5;
  --radius: 12px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; color: var(--ink); background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", "Yu Gothic", sans-serif;
  font-size: 16px; line-height: 1.7; overflow-wrap: anywhere;
}
a { color: var(--main); }
img, video { max-width: 100%; }
.wrap { max-width: 720px; margin: 0 auto; padding: 16px; }
header.top { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding-top: 10px; padding-bottom: 10px; }
.brand { font-weight: 700; font-size: 17px; color: var(--ink); text-decoration: none; }
.brand small { font-weight: 400; color: var(--sub); font-size: 12px; margin-left: 4px; }
h1 { font-size: 24px; line-height: 1.4; margin: 12px 0; }
h2 { font-size: 19px; margin: 24px 0 8px; }
h3 { font-size: 16px; margin: 16px 0 6px; }
p { margin: 8px 0; }
.sub { color: var(--sub); font-size: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin: 12px 0; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 44px; padding: 10px 16px; border-radius: 10px; border: 1px solid var(--main);
  background: var(--main); color: #fff; font-size: 16px; font-weight: 600; text-decoration: none; cursor: pointer;
}
.btn.ghost { background: #fff; color: var(--main); }
.btn.small { min-height: 36px; padding: 6px 12px; font-size: 14px; }
.btn.warn { background: var(--warn); border-color: var(--warn); }
.btn[disabled] { opacity: .5; cursor: default; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.grow { flex: 1 1 auto; min-width: 0; }
input, select, textarea {
  font: inherit; font-size: 16px; padding: 10px; border: 1px solid #c9d0d6; border-radius: 8px; background: #fff; width: 100%; min-height: 44px;
}
label { display: block; font-size: 14px; color: var(--sub); margin: 10px 0 4px; }
.tabs { display: flex; gap: 4px; overflow-x: auto; padding: 0 16px; max-width: 720px; margin: 0 auto; }
.tabs a {
  flex: 0 0 auto; padding: 10px 12px; text-decoration: none; color: var(--sub); border-bottom: 3px solid transparent; font-weight: 600; font-size: 15px;
}
.tabs a.on { color: var(--main); border-color: var(--main); }
.pill { display: inline-block; padding: 0 8px; border-radius: 99px; font-size: 12px; background: var(--main-weak); color: var(--main); }
.pill.warn { background: var(--warn-weak); color: var(--warn); }
.big { font-size: 32px; font-weight: 700; line-height: 1.2; }
.kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px; }
.kpi b { display: block; font-size: 22px; }
.kpi span { font-size: 12px; color: var(--sub); }
.list { list-style: none; padding: 0; margin: 0; }
.list li { display: flex; justify-content: space-between; gap: 8px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.list li:last-child { border-bottom: 0; }
.scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.grid { border-collapse: collapse; font-size: 13px; white-space: nowrap; }
table.grid th, table.grid td { border: 1px solid var(--line); padding: 4px 6px; text-align: right; }
table.grid th:first-child, table.grid td:first-child { text-align: left; position: sticky; left: 0; background: #fff; }
.note { background: var(--warn-weak); border-radius: 10px; padding: 10px 12px; font-size: 14px; }
.ok { background: var(--main-weak); border-radius: 10px; padding: 10px 12px; font-size: 14px; }
.howto { display: flex; gap: 12px; align-items: flex-start; }
.howto video { width: 120px; flex: 0 0 120px; border-radius: 10px; background: #000; aspect-ratio: 9 / 16; }
details { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; margin: 8px 0; }
details summary { cursor: pointer; font-weight: 600; }
footer { color: var(--sub); font-size: 13px; padding: 24px 16px 40px; text-align: center; }
.hide { display: none !important; }
.code { font-family: ui-monospace, Menlo, monospace; font-size: 20px; letter-spacing: 1px; background: #fff; border: 2px dashed var(--main); padding: 10px; text-align: center; border-radius: 10px; }
@media (max-width: 420px) {
  .kpis { grid-template-columns: repeat(3, 1fr); }
  .kpi b { font-size: 18px; }
  .howto { flex-direction: column; }
  .howto video { width: 160px; flex-basis: auto; }
}