:root {
  --navy: #1a2744;
  --navy-2: #2a3a5e;
  --gold: #c9a44c;
  --gold-text: #8a6d2b;
  --ivory: #faf7ef;
  --paper: #ffffff;
  --ink: #1f2430;
  --muted: #5b6170;
  --line: #e4dccb;
  --ok: #2f7a4f;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ivory);
  color: var(--ink);
  font-family: "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", sans-serif;
  font-size: 16px;
  line-height: 1.8;
}
a { color: var(--navy); }
[hidden] { display: none !important; }

.top { background: var(--navy); color: #fff; text-align: center; padding: 28px 16px 22px; }
.top .brand { margin: 0; color: var(--gold); font-size: 12px; letter-spacing: .14em; }
.top h1 { margin: 4px 0 2px; font-size: 24px; letter-spacing: .04em; }
.top .lead { margin: 0; font-size: 14px; color: #d9deea; }

main { max-width: 560px; margin: 0 auto; padding: 20px 16px 32px; }

.box { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 18px 18px 16px; margin-bottom: 16px; }
.box h2 { margin: 0 0 8px; font-size: 17px; color: var(--navy); padding-left: 10px; border-left: 4px solid var(--gold); line-height: 1.4; }
.box p { margin: 0 0 8px; }
.box p:last-child { margin-bottom: 0; }
.privacy { background: #f3f5fa; border-color: #d6dcea; }
.caution { background: #fbf8f0; }
.note { font-size: 13px; color: var(--muted); }
.small { font-size: 13px; }
.center { text-align: center; margin: -4px 0 12px; }
.src { font-size: 12px; color: var(--muted); }

.steps, .tips { margin: 0; padding-left: 1.3em; }
.steps li, .tips li { margin-bottom: 4px; }

.btn {
  display: block; width: 100%; text-align: center; cursor: pointer;
  font: inherit; font-weight: 700; font-size: 16px;
  border-radius: 999px; padding: 14px 16px; margin: 0 0 12px;
  border: 2px solid var(--navy); -webkit-tap-highlight-color: transparent;
}
.btn.primary { background: var(--navy); color: #fff; }
.btn.secondary { background: #fff; color: var(--navy); }
.btn.ghost { background: transparent; color: var(--muted); border-color: transparent; font-weight: 400; font-size: 15px; text-decoration: underline; }
.btn:disabled { opacity: .4; cursor: default; }
.msg { background: #fff4e5; border: 1px solid #f0d3a6; border-radius: 10px; padding: 12px 14px; font-size: 14px; }

/* スキャン */
.stage { position: relative; width: 100%; aspect-ratio: 3 / 4; background: #0e1526; border-radius: 16px; overflow: hidden; }
.stage video, .stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scaleX(-1); }
.status { text-align: center; font-weight: 700; color: var(--navy); margin: 14px 0 8px; min-height: 1.8em; }
.progress { height: 8px; background: var(--line); border-radius: 99px; overflow: hidden; margin-bottom: 16px; }
.progress div { height: 100%; width: 0; background: var(--gold); transition: width .15s linear; }

/* 質問 */
.q { margin: 14px 0 18px; }
.q p { font-weight: 700; margin-bottom: 6px; }
.q label { display: block; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; margin-bottom: 8px; cursor: pointer; }
.q input { margin-right: 8px; accent-color: var(--navy); }
.q label:has(input:checked) { border-color: var(--navy); background: #f3f5fa; }

/* 結果 */
.result-head { text-align: center; background: var(--navy); color: #fff; border-radius: 14px; padding: 20px 16px; margin-bottom: 16px; }
.result-head .small { margin: 0; color: #d9deea; }
.result-head .type { margin: 2px 0 0; font-size: 30px; font-weight: 700; letter-spacing: .06em; color: var(--gold); }
.result-head .sub { margin: 4px 0 0; font-size: 14px; color: #d9deea; }

.measure { list-style: none; margin: 0 0 8px; padding: 0; }
.measure li { display: flex; justify-content: space-between; gap: 8px; border-bottom: 1px dashed var(--line); padding: 6px 0; }
.measure li b { color: var(--navy); }

.hair h3 { font-size: 15px; margin: 12px 0 4px; color: var(--gold-text); }
.hair h3:first-child { margin-top: 0; }
.hair ul { margin: 0; padding-left: 1.2em; }
.hair li { margin-bottom: 2px; }
.hair .say { background: #f3f5fa; border-radius: 10px; padding: 10px 12px; font-size: 15px; }

.tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.tabs button { font: inherit; font-size: 14px; border: 1px solid var(--navy); background: #fff; color: var(--navy); border-radius: 99px; padding: 6px 14px; cursor: pointer; }
.tabs button[aria-pressed="true"] { background: var(--navy); color: #fff; }

.links { margin: 0; padding-left: 1.2em; }

footer { text-align: center; padding: 8px 16px 40px; font-size: 14px; color: var(--muted); }
footer p { margin: 4px 0; }
footer .small { font-size: 12px; }