/* ============================================================
   症状別ガイド — 腰痛ページ専用スタイル
   symptoms-lowback.css
   白ベース95% / 深緑アクセント5%
   依存: style.css（共通変数・ヘッダー・フッター）
============================================================ */

/* ------------------------------------------------------------
   共通ユーティリティ
------------------------------------------------------------ */
.lb-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 40px);
}
.lb-container-narrow {
  max-width: 700px;
}

.lb-sec {
  padding: clamp(56px, 8vw, 96px) 0;
  background: #F3EEE9;
}

/* セクションラベル */
.lb-label {
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .18em;
  color: #2d6a4f;
  margin-bottom: .8rem;
  text-align: center;
}

/* セクション見出し */
.lb-heading {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 400;
  color: #163A2E;
  letter-spacing: .04em;
  line-height: 1.5;
  text-align: center;
  margin-bottom: 1.2rem;
}

/* アクセントバー */
.lb-accent-bar {
  width: 36px;
  height: 2px;
  background: #2d6a4f;
  margin: 0 auto 2.4rem;
  border-radius: 2px;
}

/* 本文テキスト */
.lb-body-text {
  font-size: clamp(.88rem, 1.4vw, .96rem);
  color: #6E6E6E;
  line-height: 1.95;
  margin-bottom: 1.1rem;
}
.lb-text-center { text-align: center; }

/* ------------------------------------------------------------
   ボタン共通
------------------------------------------------------------ */
.lb-btn-line {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: #06c755;
  color: #fff;
  font-size: .88rem;
  font-weight: 600;
  padding: 13px 24px;
  border-radius: 50px;
  box-shadow: 0 3px 14px rgba(6,199,85,.28);
  transition: filter .15s, transform .15s;
  white-space: nowrap;
}
.lb-btn-line:hover { filter: brightness(1.07); transform: translateY(-1px); }

.lb-btn-tel {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: #fff;
  color: #2d6a4f;
  font-size: .88rem;
  font-weight: 600;
  padding: 13px 24px;
  border-radius: 50px;
  border: 1.5px solid #b8d9c8;
  transition: background .15s;
  white-space: nowrap;
}
.lb-btn-tel:hover { background: #f0f8f4; }

.lb-btn-lg {
  padding: 15px 32px;
  font-size: .95rem;
}

.lb-btn-center { display: block; width: fit-content; margin: 0 auto; }

/* ------------------------------------------------------------
   1. ファーストビュー
------------------------------------------------------------ */
.lb-hero {
  background: #F3EEE9;
  padding-top: clamp(90px, 12vw, 130px);
  padding-bottom: clamp(48px, 6vw, 72px);
  border-bottom: 1px solid #eef2ef;
}

.lb-hero-breadcrumb {
  max-width: 900px;
  margin: 0 auto clamp(24px, 4vw, 40px);
  padding: 0 clamp(20px, 5vw, 40px);
  font-size: .72rem;
  color: #999;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.lb-hero-breadcrumb a {
  color: #2d6a4f;
  text-decoration: none;
}
.lb-hero-breadcrumb a:hover { text-decoration: underline; }

.lb-hero-body {
  max-width: 700px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 40px);
  text-align: center;
}

.lb-hero-eyebrow {
  font-size: .68rem;
  letter-spacing: .18em;
  color: #2d6a4f;
  font-weight: 500;
  margin-bottom: 1rem;
}

.lb-hero-heading {
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-weight: 300;
  color: #163A2E;
  letter-spacing: .06em;
  line-height: 1.25;
  margin-bottom: .6rem;
  font-family: 'Cormorant Garamond', 'Noto Sans JP', serif;
}

.lb-hero-sub {
  font-size: clamp(.88rem, 1.8vw, 1rem);
  color: #6E6E6E;
  margin-bottom: 1.6rem;
  line-height: 1.6;
}

.lb-hero-accent {
  width: 40px;
  height: 2px;
  background: #2d6a4f;
  margin: 0 auto 2rem;
  border-radius: 2px;
}

.lb-hero-desc {
  font-size: clamp(.87rem, 1.4vw, .95rem);
  color: #6E6E6E;
  line-height: 1.95;
  margin-bottom: .9rem;
  text-align: left;
}

.lb-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 2.4rem;
}

/* ------------------------------------------------------------
   2. 症状チェックリスト
------------------------------------------------------------ */
.lb-check-sec { background: #EDE8E3; }

.lb-check-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 2rem;
}

.lb-check-col {
  background: #ffffff;
  border-radius: 12px;
  padding: 24px 22px;
  border: 1px solid #e2ede7;
  box-shadow: 0 1px 6px rgba(45,106,79,.05);
}

.lb-check-col-title {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .1em;
  color: #2d6a4f;
  margin-bottom: 1rem;
  padding-bottom: .6rem;
  border-bottom: 1px solid #e2ede7;
}

.lb-checklist {
  list-style: none;
  padding: 0;
  margin: 0;
}
.lb-checklist li {
  font-size: .85rem;
  color: #6E6E6E;
  line-height: 1.65;
  padding: .42rem 0 .42rem 1.5rem;
  position: relative;
  border-bottom: 1px solid #f0f5f2;
}
.lb-checklist li:last-child { border-bottom: none; }
.lb-checklist li::before {
  content: '';
  position: absolute;
  left: 0;
  top: .72rem;
  width: 13px;
  height: 13px;
  border: 1.5px solid #2d6a4f;
  border-radius: 3px;
  background: rgba(45,106,79,.06);
}

.lb-check-note {
  font-size: .82rem;
  color: #888;
  text-align: center;
  margin-bottom: 1.4rem;
}

/* ------------------------------------------------------------
   3. 診断名より困りごと
------------------------------------------------------------ */
.lb-concept-sec { background: #F3EEE9; }

.lb-quote-box {
  background: #f4f9f6;
  border-left: 3px solid #2d6a4f;
  border-radius: 0 10px 10px 0;
  padding: 16px 20px;
  margin: 1.4rem 0;
}
.lb-quote-box p {
  font-size: .9rem;
  color: #2d6a4f;
  font-weight: 500;
  line-height: 1.8;
  margin-bottom: .2rem;
}
.lb-quote-box p:last-child { margin-bottom: 0; }

/* ------------------------------------------------------------
   4. 身体のポイント
------------------------------------------------------------ */
.lb-points-sec { background: #EDE8E3; }

.lb-points-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.lb-point-card {
  background: #ffffff;
  border-radius: 12px;
  padding: 24px 22px;
  border: 1px solid #e2ede7;
  box-shadow: 0 1px 6px rgba(45,106,79,.05);
}

.lb-point-num {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .1em;
  color: #2d6a4f;
  margin-bottom: .6rem;
}

.lb-point-title {
  font-size: .97rem;
  font-weight: 500;
  color: #163A2E;
  margin-bottom: .65rem;
  line-height: 1.4;
}

.lb-point-body {
  font-size: .84rem;
  color: #6E6E6E;
  line-height: 1.85;
}

/* ------------------------------------------------------------
   5. 医療機関で診断を受けた方
------------------------------------------------------------ */
.lb-medical-sec { background: #F3EEE9; }

.lb-diag-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 2rem;
}

.lb-diag-tag {
  display: inline-block;
  font-size: .78rem;
  color: #3a6e55;
  background: #f0f8f3;
  border: 1px solid #c6dfd1;
  border-radius: 50px;
  padding: 5px 15px;
  letter-spacing: .02em;
}

.lb-notice-box {
  background: #f7faf8;
  border: 1px solid #d8ebe1;
  border-radius: 10px;
  padding: 18px 22px;
}
.lb-notice-box p {
  font-size: .8rem;
  color: #666;
  line-height: 1.85;
}

/* ------------------------------------------------------------
   6. サポートの流れ
------------------------------------------------------------ */
.lb-flow-sec { background: #EDE8E3; }

.lb-flow-list {
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.lb-flow-item {
  background: #ffffff;
  border-radius: 12px;
  padding: 22px 24px;
  margin-bottom: 12px;
  border: 1px solid #e2ede7;
  box-shadow: 0 1px 6px rgba(45,106,79,.04);
}
.lb-flow-item:last-child { margin-bottom: 0; }

.lb-flow-step {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: .7rem;
}

.lb-flow-num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: #2d6a4f;
  color: #fff;
  border-radius: 50%;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .05em;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lb-flow-title {
  font-size: .96rem;
  font-weight: 500;
  color: #163A2E;
  line-height: 1.4;
}

.lb-flow-body {
  font-size: .84rem;
  color: #6E6E6E;
  line-height: 1.85;
  padding-left: 44px;
}

/* ------------------------------------------------------------
   7. 早めに医療機関へ
------------------------------------------------------------ */
.lb-warning-sec { background: #F3EEE9; }

.lb-warning-box {
  background: #fffaf8;
  border: 1px solid #e8d0c8;
  border-radius: 12px;
  padding: 24px 24px 18px;
}

.lb-warning-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px 16px;
}
.lb-warning-list li {
  font-size: .84rem;
  color: #7a4040;
  line-height: 1.65;
  padding: .35rem 0 .35rem 1.3rem;
  position: relative;
  border-bottom: 1px solid rgba(200,120,100,.1);
}
.lb-warning-list li:last-child,
.lb-warning-list li:nth-last-child(2):nth-child(odd) { border-bottom: none; }
.lb-warning-list li::before {
  content: '!';
  position: absolute;
  left: 0;
  top: .42rem;
  font-size: .6rem;
  font-weight: 700;
  color: #c07060;
  width: 15px;
  height: 15px;
  background: rgba(192,112,96,.1);
  border-radius: 50%;
  text-align: center;
  line-height: 15px;
}

.lb-warning-note {
  font-size: .78rem;
  color: #a06050;
  line-height: 1.75;
  border-top: 1px solid rgba(200,120,100,.12);
  padding-top: 1rem;
}

/* ------------------------------------------------------------
   8. FAQ
------------------------------------------------------------ */
.lb-faq-sec { background: #EDE8E3; }

.lb-faq-list { margin: 0; }

.lb-faq-item {
  background: #ffffff;
  border-radius: 10px;
  margin-bottom: 10px;
  border: 1px solid #e2ede7;
  overflow: hidden;
}

.lb-faq-q,
.lb-faq-a {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 20px;
  font-size: clamp(.84rem, 1.3vw, .91rem);
  line-height: 1.8;
}

.lb-faq-q {
  color: #163A2E;
  font-weight: 500;
  background: #fff;
  margin: 0;
  border-bottom: 1px solid #eef3ef;
}

.lb-faq-a {
  color: #6E6E6E;
  background: #f9fcfa;
  margin: 0;
}

.lb-faq-q-mark {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background: #2d6a4f;
  color: #fff;
  border-radius: 50%;
  font-size: .7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: .1rem;
}

.lb-faq-a-mark {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background: #f0f8f4;
  color: #2d6a4f;
  border: 1px solid #c6dfd1;
  border-radius: 50%;
  font-size: .7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: .1rem;
}

/* ------------------------------------------------------------
   9. 最後のCTA
------------------------------------------------------------ */
.lb-cta-sec {
  background: #EDE8E3;
  text-align: center;
}

.lb-cta-heading {
  font-size: clamp(1.25rem, 3vw, 1.65rem);
  font-weight: 400;
  color: #163A2E;
  line-height: 1.5;
  letter-spacing: .04em;
  margin-bottom: .8rem;
}

.lb-cta-body {
  font-size: clamp(.86rem, 1.4vw, .94rem);
  color: #6E6E6E;
  line-height: 1.9;
  margin-bottom: 2.2rem;
}

.lb-cta-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 2.4rem;
}

.lb-clinic-info {
  padding: 20px 24px;
  background: #fff;
  border-radius: 12px;
  border: 1px solid #e2ede7;
  display: inline-block;
  text-align: left;
}
.lb-clinic-name {
  font-size: .92rem;
  font-weight: 600;
  color: #163A2E;
  margin-bottom: .2rem;
}
.lb-clinic-addr,
.lb-clinic-hours {
  font-size: .8rem;
  color: #666;
  line-height: 1.7;
}
.lb-cta-note {
  font-size: .72rem;
  color: #aaa;
  margin-top: .8rem;
  line-height: 1.7;
}

/* ------------------------------------------------------------
   10. ゴルファー向け補足導線
------------------------------------------------------------ */
.lb-golf-supplement {
  background: #F3EEE9;
  padding: clamp(32px, 5vw, 56px) 0;
  border-top: 1px solid #eef2ef;
}

.lb-golf-box {
  background: #1e3d2f;
  border-radius: 14px;
  padding: 28px 28px 24px;
  text-align: center;
}

.lb-golf-eyebrow {
  font-size: .62rem;
  letter-spacing: .18em;
  color: rgba(180,220,200,.5);
  margin-bottom: .6rem;
}

.lb-golf-heading {
  font-size: clamp(.96rem, 2vw, 1.15rem);
  font-weight: 400;
  color: #d4ede0;
  letter-spacing: .04em;
  margin-bottom: .8rem;
  line-height: 1.4;
}

.lb-golf-body {
  font-size: .8rem;
  color: rgba(200,230,215,.65);
  line-height: 1.85;
  margin-bottom: 1.4rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.lb-golf-link {
  display: inline-block;
  font-size: .8rem;
  font-weight: 500;
  color: #a8d4bc;
  border: 1px solid rgba(168,212,188,.3);
  border-radius: 50px;
  padding: 9px 22px;
  letter-spacing: .04em;
  transition: background .2s, color .2s;
}
.lb-golf-link:hover {
  background: rgba(168,212,188,.12);
  color: #c8e8d4;
}

/* ------------------------------------------------------------
   関連リンク
------------------------------------------------------------ */
.lb-related-sec {
  background: #F3EEE9;
  padding: 24px 0 40px;
  border-top: 1px solid #eef2ef;
}

.lb-related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.lb-related-link {
  font-size: .8rem;
  color: #2d6a4f;
  border: 1px solid #c6dfd1;
  padding: 8px 18px;
  border-radius: 50px;
  background: #fff;
  transition: background .15s;
}
.lb-related-link:hover { background: #f0f8f4; }

/* ------------------------------------------------------------
   レスポンシブ
------------------------------------------------------------ */
@media (max-width: 700px) {
  .lb-check-grid  { grid-template-columns: 1fr; }
  .lb-points-grid { grid-template-columns: 1fr; }
  .lb-warning-list { grid-template-columns: 1fr; }
  .lb-flow-body { padding-left: 0; margin-top: .4rem; }
}

@media (max-width: 480px) {
  .lb-hero-cta { flex-direction: column; align-items: center; }
  .lb-cta-btns { flex-direction: column; align-items: center; }
  .lb-btn-line,
  .lb-btn-tel  { width: 100%; max-width: 300px; justify-content: center; }
  .lb-golf-box { padding: 22px 18px 20px; }
  .lb-clinic-info { text-align: center; }
}

/* ============================================================
   症状別ガイド共通 — 予約案内ノート（全症状ページで使用）
============================================================ */
.symptom-cta-note {
  font-size: 15px;
  line-height: 1.8;
  letter-spacing: 0.02em;
  color: #3a5040;
  text-align: center;
  margin: 1.4rem auto 0;
  max-width: 560px;
}

@media (max-width: 768px) {
  .symptom-cta-note {
    font-size: 14px;
    line-height: 1.9;
  }
}

/* ===== FAQ アコーディオン（骨折ページと共通） ===== */
.fx-faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.fx-faq-item {
  background: #ffffff;
  border: 1px solid #dceae2;
  border-radius: 12px;
  overflow: hidden;
}

.fx-faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 1.1rem 1.4rem;
  font-size: .9rem;
  font-weight: 500;
  color: #1a3a2a;
  line-height: 1.6;
}

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

.fx-faq-item summary::after {
  content: '+';
  margin-left: auto;
  flex-shrink: 0;
  font-size: 1.2rem;
  color: #2d6a4f;
  line-height: 1;
}

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

.fx-faq-body {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 0 1.4rem 1.3rem;
}

.fx-faq-body span:last-child {
  font-size: .85rem;
  color: #2a4a3a;
  line-height: 1.85;
}