:root {
  --bg: #F5F8F7;
  --card: #FFFFFF;
  --border: #E2E9E6;
  --ink: #26332F;
  --ink-soft: #5C6E68;
  --trust: #2C6E63;
  --trust-soft: #E6F0EE;
  --good: #4C8B6B;
  --good-soft: #EAF4EE;
  --caution: #C2872E;
  --caution-soft: #FBF1E1;
  --alert: #C24A3B;
  --alert-soft: #FBEAE7;
  --stamp: #B23A2E;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Noto Sans JP', sans-serif;
  line-height: 1.7;
  padding: 40px 16px 80px;
}
.sheet {
  max-width: 760px;
  margin: 0 auto;
}

.karte-head {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 28px 24px;
  position: relative;
  overflow: hidden;
}
.karte-head::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--trust), var(--good));
}
.eyebrow {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--trust);
  font-weight: 700;
}
.site-url {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 22px;
  font-weight: 700;
  margin: 6px 0 2px;
  word-break: break-all;
}
.exam-date { font-size: 13px; color: var(--ink-soft); }

.score-row {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 22px;
  flex-wrap: wrap;
}
.gauge-wrap { position: relative; width: 176px; height: 100px; flex-shrink: 0; }
.gauge-label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  text-align: center;
}
.gauge-score {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 34px;
  font-weight: 900;
  color: var(--trust);
  line-height: 1;
}
.gauge-score span { font-size: 15px; font-weight: 500; color: var(--ink-soft); }
.gauge-caption { font-size: 12px; color: var(--ink-soft); margin-top: 2px; }

.summary-text { flex: 1; min-width: 220px; }
.summary-text .headline {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}
.summary-text p { font-size: 14px; color: var(--ink-soft); margin: 0; }

.priority-box {
  margin-top: 18px;
  background: var(--trust-soft);
  border-radius: 12px;
  padding: 16px 18px;
}
.priority-box .ttl {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-weight: 700;
  font-size: 13px;
  color: var(--trust);
  margin-bottom: 8px;
}
.priority-list { display: flex; flex-direction: column; gap: 6px; }
.priority-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13.5px;
}
.priority-num {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-weight: 900;
  color: var(--trust);
  font-size: 14px;
}

.section-label {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-soft);
  margin: 36px 4px 10px;
  letter-spacing: 0.05em;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 22px;
  margin-bottom: 14px;
}
.card-head {
  display: flex;
  align-items: center;
  gap: 12px;
}
.signal {
  width: 14px; height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
}
.signal.good { background: var(--good); }
.signal.caution { background: var(--caution); }
.signal.alert { background: var(--alert); }

.card-title {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-weight: 700;
  font-size: 15.5px;
}
.card-tag {
  margin-left: auto;
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
}
.card-tag.good { background: var(--good-soft); color: var(--good); }
.card-tag.caution { background: var(--caution-soft); color: var(--caution); }
.card-tag.alert { background: var(--alert-soft); color: var(--alert); }

.card-body {
  font-size: 13.5px;
  color: var(--ink-soft);
  margin-top: 10px;
  padding-left: 26px;
}
.card-body .plain { color: var(--ink); margin: 0 0 6px; }
.card-body .why {
  font-size: 12.5px;
  background: #F4F6F5;
  border-radius: 8px;
  padding: 8px 12px;
  margin-top: 8px;
}
.card-body a {
  color: var(--trust);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid var(--trust);
}

.cta {
  margin-top: 36px;
  background: linear-gradient(135deg, var(--trust), #1E4F47);
  border-radius: 16px;
  padding: 28px 26px;
  color: #fff;
  text-align: center;
}
.cta .stamp-ring {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px; height: 56px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.5);
  font-family: 'Zen Maru Gothic', sans-serif;
  font-weight: 900;
  font-size: 20px;
  margin-bottom: 12px;
}
.cta h3 {
  font-family: 'Zen Maru Gothic', sans-serif;
  margin: 0 0 8px;
  font-size: 17px;
}
.cta p {
  font-size: 13.5px;
  color: rgba(255,255,255,0.85);
  margin: 0 auto 18px;
  max-width: 440px;
}
.cta button {
  background: #fff;
  color: var(--trust);
  border: none;
  font-family: 'Zen Maru Gothic', sans-serif;
  font-weight: 700;
  font-size: 14px;
  padding: 13px 30px;
  border-radius: 999px;
  cursor: pointer;
}
.cta .note {
  margin-top: 12px;
  font-size: 11.5px;
  color: rgba(255,255,255,0.6);
}

.foot-note {
  text-align: center;
  font-size: 11.5px;
  color: var(--ink-soft);
  margin-top: 20px;
}

/* 入力フォーム画面用 */
.intro-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  text-align: center;
}
.intro-card h1 {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 20px;
  margin: 0 0 8px;
}
.intro-card p { color: var(--ink-soft); font-size: 14px; margin: 0 0 24px; }
.url-form { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.url-form input[type="url"] {
  flex: 1;
  min-width: 240px;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 14px;
}
.url-form button {
  background: var(--trust);
  color: #fff;
  border: none;
  font-family: 'Zen Maru Gothic', sans-serif;
  font-weight: 700;
  font-size: 14px;
  padding: 12px 28px;
  border-radius: 999px;
  cursor: pointer;
}
.error-box {
  margin-top: 16px;
  background: var(--alert-soft);
  color: var(--alert);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 13.5px;
}