/* デザイン基準は design-rules.md に従う（色・文字・角丸はここの変数経由のみ） */
:root {
  --color-bg: #ffffff;
  --color-text: #222222;
  --color-muted: #6b6b6b;
  --color-line: #e2e2dc;
  --color-soft: #f0f0eb;
  --color-accent: #ebff00;
  --color-error: #a4262c;
  --font-display: 'Barlow Semi Condensed', 'Noto Sans JP', sans-serif;
  --font-body: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Hiragino Sans', sans-serif;
  --radius-card: 10px;
  --radius-control: 5px;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 0.02em;
}

/* ヘッダー・進捗 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--color-bg);
  padding: 24px 24px 0;
}
/* 本文（720px − 左右24px）と左右をそろえる */
.site-header-inner {
  max-width: 672px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { margin: 0; font-family: var(--font-display); font-size: 14px; font-weight: 600; letter-spacing: 0.16em; line-height: 1; }
.progress-label { margin: 0; font-family: var(--font-display); font-size: 14px; font-weight: 500; letter-spacing: 0.08em; line-height: 1; color: var(--color-muted); font-variant-numeric: tabular-nums; }
.progress { max-width: 672px; margin: 16px auto 0; height: 2px; background: var(--color-line); }
.progress-bar { height: 100%; width: 0; background: var(--color-text); transition: width 0.3s ease; }

/* 本文 */
.container { max-width: 720px; margin: 0 auto; padding: 80px 24px 120px; outline: none; }
h2 { margin: 64px 0 16px; font-size: 18px; font-weight: 700; }
p { margin: 0 0 24px; }
.lead { color: var(--color-muted); margin-bottom: 48px; }
.note { font-size: 14px; color: var(--color-muted); border-left: 2px solid var(--color-text); padding-left: 16px; }

/* 画面見出し（英字＋日本語） */
.step-head { margin-bottom: 32px; }
.step-eyebrow { margin: 0 0 16px; font-family: var(--font-display); font-size: 14px; font-weight: 500; letter-spacing: 0.16em; line-height: 1; color: var(--color-muted); }
.step-en { margin: 0 0 16px; font-family: var(--font-display); font-size: 64px; font-weight: 600; line-height: 1; letter-spacing: 0.01em; text-transform: uppercase; }
.step-ja { margin: 0; font-size: 22px; font-weight: 700; line-height: 1.5; letter-spacing: 0.04em; }

/* 日本語を文節の区切りで改行し、最終行に1〜2文字だけ残るのを避ける（対応ブラウザのみ） */
.container p, .step-ja, .question-head, .field-label, .consent span { word-break: auto-phrase; overflow-wrap: anywhere; text-wrap: pretty; }

/* 面（凡例・同意・注記） */
.legend { display: grid; grid-template-columns: 48px 1fr; row-gap: 8px; margin: 24px 0 0; padding: 32px; background: var(--color-soft); border-radius: var(--radius-card); }
.legend dt { font-family: var(--font-display); font-size: 18px; font-weight: 600; font-variant-numeric: tabular-nums; }
.legend dd { margin: 0; }

/* 入力欄 */
.field { margin: 0 0 40px; }
.field-label { display: block; margin-bottom: 16px; font-weight: 500; }
.field-head { display: block; font-family: var(--font-display); font-size: 14px; font-weight: 500; letter-spacing: 0.12em; color: var(--color-muted); }
.badge { display: inline-block; margin-left: 8px; padding: 0 8px; font-size: 11px; font-weight: 400; line-height: 1.8; letter-spacing: 0.1em; vertical-align: 2px; border: 1px solid var(--color-text); border-radius: var(--radius-control); }
.badge-req { background: var(--color-text); color: var(--color-bg); }
.badge-opt { border-color: var(--color-line); color: var(--color-muted); }

input[type='text'], input[type='email'], input[type='date'], textarea {
  display: block;
  width: 100%;
  font: inherit;
  color: inherit;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-control);
  padding: 16px;
  transition: border-color 0.2s;
  -webkit-appearance: none;
  appearance: none;
}
input:focus, textarea:focus { outline: none; border-color: var(--color-text); }
textarea { min-height: 160px; resize: vertical; line-height: 1.8; }

/* 5段階設問 */
.questions { margin-bottom: 56px; border-bottom: 1px solid var(--color-line); }
.question { margin: 0; padding: 40px 0; border: 0; border-top: 1px solid var(--color-line); min-width: 0; }
.question-head { float: left; width: 100%; display: flex; gap: 16px; margin-bottom: 24px; padding: 0; font-weight: 500; }
.qno { flex: none; min-width: 40px; padding-top: 4px; font-family: var(--font-display); font-size: 16px; font-weight: 600; letter-spacing: 0.04em; line-height: 1.5; color: var(--color-muted); font-variant-numeric: tabular-nums; }
.scale { clear: both; display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; }
.choice {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 8px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background-color 0.15s, color 0.15s;
}
.choice input { position: absolute; opacity: 0; pointer-events: none; }
.choice-num { font-family: var(--font-display); font-size: 24px; font-weight: 500; line-height: 1; }
.choice-label { font-size: 11px; line-height: 1.5; color: var(--color-muted); text-wrap: balance; }
.choice:hover { border-color: var(--color-text); }
.choice.is-selected { background: var(--color-text); border-color: var(--color-text); color: var(--color-bg); }
.choice.is-selected .choice-num { color: var(--color-accent); }
.choice.is-selected .choice-label { color: var(--color-bg); }
.choice:has(input:focus-visible) { outline: 2px solid var(--color-text); outline-offset: 2px; }

/* 同意・ハニーポット */
.privacy { font-size: 14px; color: var(--color-muted); }
.privacy a { color: var(--color-text); text-decoration: underline; text-underline-offset: 4px; }
.consent { display: flex; gap: 16px; align-items: center; padding: 24px; background: var(--color-soft); border-radius: var(--radius-card); cursor: pointer; font-weight: 500; }
.consent input { flex: none; width: 20px; height: 20px; margin: 0; accent-color: var(--color-text); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* エラー */
.error { margin: 8px 0 0; font-size: 13px; color: var(--color-error); }
.has-error input[type='text'], .has-error input[type='email'], .has-error input[type='date'], .has-error textarea { border-color: var(--color-error); }
.form-error { margin-top: 48px; padding: 16px 24px; border: 1px solid var(--color-error); border-radius: var(--radius-control); color: var(--color-error); font-size: 14px; }

/* ナビゲーション */
.nav { display: flex; gap: 16px; margin-top: 48px; padding-top: 40px; border-top: 1px solid var(--color-line); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-width: 160px;
  padding: 16px 32px;
  font: inherit;
  font-size: 15px;
  letter-spacing: 0.12em;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-text);
  border-radius: var(--radius-control);
  cursor: pointer;
  transition: opacity 0.2s;
}
.btn-primary { margin-left: auto; background: var(--color-text); color: var(--color-bg); }
.btn-arrow { width: 32px; height: 12px; flex: none; transition: transform 0.2s; }
.btn:hover { opacity: 0.8; }
.btn-primary:hover .btn-arrow { transform: translateX(4px); }
.btn:disabled { opacity: 0.4; cursor: default; }
.btn:disabled .btn-arrow { transform: none; }
.btn:focus-visible { outline: 2px solid var(--color-text); outline-offset: 4px; }

/* 結果 */
.radar { max-width: 440px; margin: 56px auto; }
.radar svg { display: block; width: 100%; height: auto; }
.radar-grid { fill: none; stroke: var(--color-line); stroke-width: 1; }
.radar-spoke { stroke: var(--color-line); stroke-width: 1; }
.radar-area { fill: var(--color-text); fill-opacity: 0.08; stroke: var(--color-text); stroke-width: 1.5; stroke-linejoin: round; }
.radar-dot { fill: var(--color-text); }
.radar-box { position: relative; }
.radar-tag { position: absolute; transform: translate(-50%, -50%); text-align: center; white-space: nowrap; }
.radar-tag-key { display: block; font-family: var(--font-display); font-size: 16px; font-weight: 600; line-height: 1.2; letter-spacing: 0.04em; }
.radar-tag-name { display: block; font-size: 10px; line-height: 1.6; letter-spacing: 0.02em; color: var(--color-muted); }
.score-list { list-style: none; margin: 0 0 40px; padding: 0; border-top: 1px solid var(--color-line); }
.score-list li { display: grid; grid-template-columns: 48px 120px 1fr 72px; align-items: center; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--color-line); }
.score-key { font-family: var(--font-display); font-size: 18px; font-weight: 600; letter-spacing: 0.04em; }
.score-name { color: var(--color-muted); font-size: 14px; }
.score-bar { height: 2px; background: var(--color-line); }
.score-bar span { display: block; height: 100%; background: var(--color-text); }
.score-value { text-align: right; font-family: var(--font-display); font-size: 24px; font-weight: 500; line-height: 1; font-variant-numeric: tabular-nums; }
.score-value.is-na { font-family: var(--font-body); font-size: 13px; color: var(--color-muted); }

/* PDF用のA4縦1枚レイアウト（794×1123px＝A4比）。画面外で組み立てて画像化する */
.pdf-holder { position: fixed; left: 0; top: 0; width: 0; height: 0; overflow: hidden; }
.pdf-sheet { display: flex; flex-direction: column; width: 794px; height: 1123px; padding: 64px 72px; background: var(--color-bg); color: var(--color-text); }
.pdf-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 48px; padding-bottom: 16px; border-bottom: 2px solid var(--color-text); }
.pdf-date { font-family: var(--font-display); font-size: 14px; font-weight: 500; letter-spacing: 0.08em; line-height: 1; color: var(--color-muted); }
.pdf-sheet .step-en { font-size: 48px; }
.pdf-sheet .step-ja { font-size: 22px; }
.pdf-person { margin: 8px 0 0; font-size: 14px; color: var(--color-muted); }
.pdf-sheet .radar { max-width: 400px; margin: 32px auto; }
.pdf-sheet .score-list { margin-bottom: 24px; }
.pdf-sheet .score-list li { padding: 8px 0; }
.pdf-sheet .note { margin: 0; font-size: 12px; }
.pdf-foot { display: flex; justify-content: space-between; margin-top: auto; padding-top: 16px; border-top: 1px solid var(--color-line); font-family: var(--font-display); font-size: 12px; font-weight: 500; letter-spacing: 0.16em; line-height: 1; color: var(--color-muted); }

/* スマホ */
@media (max-width: 600px) {
  .site-header { padding: 16px 16px 0; }
  .container { padding: 56px 16px 96px; }
  .step-en { font-size: 40px; }
  .step-ja { font-size: 20px; }
  .legend { padding: 24px; }
  .scale { grid-template-columns: 1fr; gap: 8px; }
  .choice { flex-direction: row; justify-content: flex-start; gap: 16px; padding: 16px; text-align: left; }
  .choice-num { width: 24px; font-size: 20px; text-align: center; }
  .choice-label { font-size: 14px; }
  .nav { flex-direction: column-reverse; gap: 8px; }
  .btn { width: 100%; }
  .score-list li { grid-template-columns: 40px 1fr 72px; row-gap: 8px; }
  .score-bar { grid-column: 1 / -1; }
}