:root {
  --paper: #f2f0e8;
  --surface: #fffdf7;
  --ink: #15201c;
  --muted: #52615a;
  --line: #87948e;
  --accent: #0b664c;
  --accent-soft: #dcece5;
  --warning: #7a382e;
  --warning-soft: #f4e5e1;
  --focus: #b55c00;
  color-scheme: light;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Hiragino Sans", "Noto Sans JP", "Yu Gothic", "Meiryo", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}
:focus-visible { outline: 4px solid var(--focus); outline-offset: 2px; }
[hidden] { display: none !important; }
.page { width: min(44rem, 100%); margin: 0 auto; padding: 1rem 16px 3rem; }
.intro h1 { margin: 0.2rem 0 0.6rem; font-size: clamp(1.45rem, 5vw, 2rem); line-height: 1.3; }
.eyebrow { margin: 0; color: var(--accent); font-weight: 800; font-size: 0.9rem; }
.caution { padding: 0.6rem 0.8rem; border-left: 5px solid var(--warning); background: var(--warning-soft); color: var(--warning); }
.block { min-inline-size: 0; margin: 1rem 0 0; padding: 0.9rem; border: 2px solid var(--line); border-radius: 0.9rem; background: var(--surface); }
.block legend { padding: 0 0.3rem; font-weight: 900; font-size: 1.05rem; }
.options { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(14rem, 100%), 1fr)); gap: 0.5rem; }
.option, .consent-label {
  min-height: 3rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.7rem;
  border: 2px solid var(--line);
  border-radius: 0.7rem;
  background: #fff;
  font-weight: 700;
}
.option input, .consent-label input { width: 1.4rem; height: 1.4rem; accent-color: var(--accent); flex: 0 0 auto; }
.option:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.text-label { display: block; margin: 0.8rem 0 0.3rem; font-weight: 800; }
textarea {
  width: 100%;
  padding: 0.6rem;
  border: 2px solid var(--line);
  border-radius: 0.7rem;
  font: inherit;
  resize: vertical;
}
.hint { margin: 0.4rem 0 0; color: var(--muted); font-size: 0.92rem; }
.recorder { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem; margin-top: 0.5rem; }
.action, .submit {
  min-height: 3rem;
  padding: 0.5rem 1.1rem;
  border: 2px solid var(--line);
  border-radius: 0.8rem;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-weight: 900;
}
.action.warn { border-color: var(--warning); color: var(--warning); }
.action:disabled { opacity: 0.5; }
.status { color: var(--muted); font-weight: 700; }
audio { width: 100%; margin-top: 0.6rem; }
.notes { margin: 0 0 0.6rem; padding-left: 1.3rem; color: var(--muted); }
.error { margin: 1rem 0 0; padding: 0.6rem 0.8rem; border-radius: 0.6rem; background: var(--warning-soft); color: var(--warning); font-weight: 800; }
.submit { width: 100%; margin-top: 1rem; min-height: 3.6rem; border-color: var(--accent); background: var(--accent); color: #fff; font-size: 1.15rem; }
.submit:disabled { opacity: 0.6; }
.thanks { margin-top: 2rem; padding: 1.2rem; border: 3px solid var(--accent); border-radius: 1rem; background: var(--surface); }
.honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.stage { padding: 0.6rem 0.8rem; border-left: 5px solid var(--accent); background: var(--accent-soft); }
.field-error { margin: 0 0 0.5rem; padding: 0.4rem 0.6rem; border-radius: 0.5rem; background: var(--warning-soft); color: var(--warning); font-weight: 800; }
.block[aria-invalid="true"] { border-color: var(--warning); }
.receipt { font-size: 1.2rem; }
.receipt strong { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 1.5rem; letter-spacing: 0.08em; }
.option { overflow-wrap: anywhere; }