/* ==========================================================================
   営業職転職支援 LP - style.css
   デザインルール：白ベース／色数3〜4／グラデーション不使用／
   角丸・カード多用しない／抽象3D不使用／余白と文字サイズで強弱

   レイアウト方針：スマホ幅（480px）基準の固定シェルを中央に配置。
   PCではシェルの左右に余白（参考LPと同じ考え方）。
   ========================================================================== */

:root {
  --color-bg: #ffffff;
  --color-ink: #0f1c3d;      /* 基本テキスト・見出し（FV画像の紺色に合わせる） */
  --color-accent: #b8902f;   /* CTA・強調（FV画像のゴールドに合わせる） */
  --color-sub: #5c6470;      /* 補足テキスト */
  --color-line: #e2e2e2;     /* 罫線・境界 */
  --color-surface: #f7f6f4;  /* ごく薄いセクション背景（色数には数えない中間トーン） */
  --color-shell-bg: #ececea; /* PC時、シェルの外側に見える余白の背景 */

  --font-jp: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP",
             "Yu Gothic", "Meiryo", sans-serif;

  --shell-w: 480px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-jp);
  color: var(--color-ink);
  background: var(--color-shell-bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "palt";
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, p { margin: 0; }

/* ---------- スマホ幅固定シェル ---------- */

.site-shell {
  max-width: var(--shell-w);
  margin: 0 auto;
  background: var(--color-bg);
  border-left: 1px solid var(--color-line);
  border-right: 1px solid var(--color-line);
  min-height: 100vh;
}

@media (max-width: 480px) {
  .site-shell { border-left: none; border-right: none; }
}

.container {
  padding: 0 20px;
}

/* ---------- 共通ボタン ---------- */

.btn-primary {
  display: inline-block;
  background: var(--color-ink);
  color: var(--color-accent);
  font-weight: 700;
  font-size: 16px;
  padding: 17px 40px;
  letter-spacing: 0.04em;
  transition: opacity 0.2s ease;
}

.btn-primary:hover { opacity: 0.85; }

.btn-block {
  display: block;
  width: 100%;
  text-align: center;
}

.btn-small {
  display: inline-block;
  border: 1px solid var(--color-ink);
  color: var(--color-ink);
  font-size: 12px;
  font-weight: 600;
  padding: 8px 16px;
  letter-spacing: 0.03em;
}

.btn-small:hover { background: var(--color-ink); color: #fff; }

/* ---------- ヘッダー ---------- */

.site-header {
  border-bottom: 1px solid var(--color-line);
  padding: 16px 0;
  background: var(--color-bg);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.logo-dot { color: var(--color-accent); }

/* ---------- 1. ファーストビュー ---------- */

.hero-visual {
  display: block;
  width: 100%;
  height: auto;
}

.hero-cta-wrap {
  padding: 24px 20px 32px;
  text-align: center;
}

.hero-note {
  font-size: 12px;
  color: var(--color-sub);
  margin-top: 14px;
  letter-spacing: 0.02em;
}

/* ---------- 汎用の数値実績（FVイメージ内以外で使用） ---------- */

.stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat-num {
  font-size: 26px;
  font-weight: 700;
  font-feature-settings: "palt";
  line-height: 1;
}

.stat-unit {
  font-size: 14px;
  font-weight: 600;
  margin-left: 2px;
}

.stat-label {
  font-size: 11px;
  color: var(--color-sub);
  letter-spacing: 0.02em;
}

/* ==========================================================================
   2. 転職診断フォーム（悩み・特徴・実績・料金・FAQを集約したスライド形式UI）
   ========================================================================== */

.diagnosis {
  border-top: 1px solid var(--color-line);
  background: var(--color-surface);
  padding: 48px 0 56px;
}

.diag-head {
  text-align: center;
  margin-bottom: 32px;
}

.diag-eyebrow {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}

.diag-heading {
  font-size: 21px;
  font-weight: 700;
  line-height: 1.6;
}

/* ---------- 進行バー ---------- */

.diag-progress-inner {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  margin: 0 auto 28px;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
  width: 64px;
}

.progress-num {
  width: 26px;
  height: 26px;
  border: 1px solid var(--color-line);
  color: var(--color-sub);
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}

.progress-label {
  font-size: 10px;
  color: var(--color-sub);
  text-align: center;
  letter-spacing: 0.01em;
}

.progress-step.is-active .progress-num {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-ink);
}

.progress-step.is-active .progress-label {
  color: var(--color-ink);
  font-weight: 700;
}

.progress-step.is-done .progress-num {
  border-color: var(--color-ink);
  color: var(--color-ink);
}

.progress-line {
  flex: 1 1 auto;
  height: 1px;
  background: var(--color-line);
  margin-top: 13px;
}

/* ---------- 質問バナー ---------- */

.diag-banner {
  background: var(--color-ink);
  padding: 16px 0;
  margin-bottom: 32px;
}

.diag-banner-text {
  color: #fff;
  font-size: 13.5px;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.02em;
}

/* ---------- スライド制御 ---------- */

.diag-viewport {
  overflow: hidden;
  transition: height 0.3s ease;
}

.diag-track {
  display: flex;
  align-items: flex-start;
  width: 400%;
  transition: transform 0.4s ease;
}

.diag-slide {
  width: 25%;
  flex-shrink: 0;
  padding: 4px 0 8px;
}

/* ---------- STEP1：選択カード ---------- */

.diag-slide-note {
  text-align: center;
  font-size: 11px;
  color: var(--color-sub);
  margin-bottom: 20px;
}

.option-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.option-card {
  width: 100%;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-ink);
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  padding: 16px 20px;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.option-card:hover { border-color: var(--color-ink); }

.option-card.is-selected {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-ink);
}

/* ---------- STEP2：チップ選択 ---------- */

.field-group {
  margin-bottom: 28px;
}

.field-label {
  font-size: 12.5px;
  font-weight: 700;
  margin-bottom: 12px;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--color-ink);
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  padding: 9px 16px;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.chip:hover { border-color: var(--color-ink); }

.chip.is-selected {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: #fff;
}

/* ---------- 操作ボタン ---------- */

.diag-actions {
  margin-top: 8px;
  display: flex;
  flex-direction: column-reverse;
  align-items: stretch;
  gap: 14px;
}

.btn-back {
  font-family: inherit;
  font-size: 12.5px;
  color: var(--color-sub);
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 0;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-align: center;
}

.btn-next {
  width: 100%;
  font-family: inherit;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--color-ink);
  background: var(--color-accent);
  border: none;
  padding: 14px 24px;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.btn-next:hover { opacity: 0.85; }

.btn-next:disabled {
  background: var(--color-line);
  color: var(--color-sub);
  cursor: not-allowed;
}

/* ---------- STEP3：連絡先フォーム ---------- */

.diag-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 700;
}

.form-field em {
  font-style: normal;
  color: var(--color-accent);
  font-size: 10.5px;
  margin-left: 8px;
  font-weight: 700;
}

.form-field em.optional {
  color: var(--color-sub);
}

.form-field input {
  font-family: inherit;
  font-size: 15px;
  font-weight: 400;
  color: var(--color-ink);
  border: 1px solid var(--color-line);
  padding: 13px 14px;
  background: var(--color-bg);
  width: 100%;
}

.form-field input:focus {
  outline: none;
  border-color: var(--color-ink);
}

.form-note {
  font-size: 11.5px;
  color: var(--color-sub);
  line-height: 1.9;
}

.diag-form .btn-primary {
  padding: 16px 24px;
  font-size: 14.5px;
}

/* ---------- STEP3：ミニFAQ ---------- */

.diag-faq-mini {
  border-top: 1px solid var(--color-line);
  margin-top: 40px;
  padding-top: 28px;
}

.diag-faq-mini-title {
  font-size: 12.5px;
  font-weight: 700;
  margin-bottom: 14px;
}

.faq-item {
  border-bottom: 1px solid var(--color-line);
  padding: 13px 0;
}

.faq-item summary {
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 24px;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  font-weight: 400;
  color: var(--color-accent);
}

.faq-item[open] summary::after { content: "−"; }

.faq-item p {
  font-size: 12px;
  color: var(--color-sub);
  line-height: 1.9;
  margin-top: 10px;
}

/* ---------- STEP4：完了画面 ---------- */

.diag-done {
  text-align: center;
}

.diag-done-eyebrow {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}

.diag-done-title {
  font-size: 21px;
  font-weight: 700;
  margin-bottom: 18px;
}

.diag-done-text {
  font-size: 13px;
  color: var(--color-sub);
  line-height: 2;
  margin-bottom: 32px;
}

.diag-done-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  border-top: 1px solid var(--color-line);
  padding-top: 28px;
}

.diag-done-stats .stat { align-items: center; }
.diag-done-stats .stat-num { font-size: 21px; }

/* ==========================================================================
   フッター
   ========================================================================== */

.site-footer {
  background: var(--color-ink);
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.footer-logo {
  color: #fff;
  font-size: 14px;
  font-weight: 700;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 11.5px;
}

.footer-links a:hover { color: #fff; }

.footer-copy {
  color: rgba(255, 255, 255, 0.5);
  font-size: 10.5px;
}

/* ---------- 極小幅の微調整 ---------- */

@media (max-width: 360px) {
  .diag-heading { font-size: 19px; }
  .diag-done-stats { grid-template-columns: 1fr; gap: 20px; }
}