/* ==========================================================================
   Rooton Chiropractic — Biomechanics Insight Section
   「痛みの錯覚と相殺の罠（8対8 vs 1対1）」
   ========================================================================== */

:root {
  --rooton-bg-base: #FAF9F5;
  --rooton-bg-surface: #FFFFFF;
  --rooton-bg-forest: #0F1C14;
  --rooton-bg-forest-card: #15241B;
  --rooton-color-accent: #C5A059;
  --rooton-color-text: #2D312E;
  --rooton-color-muted: #555C56;
  --rooton-color-alert: #B85312;
  --rooton-color-alert-bg: rgba(217, 119, 54, 0.08);
  --rooton-color-alert-border: rgba(217, 119, 54, 0.35);
  --rooton-color-green-bg: rgba(58, 79, 63, 0.08);
  --rooton-color-green-border: rgba(91, 117, 102, 0.35);
  --rooton-font-serif: "Shippori Mincho", "Noto Serif JP", "Cormorant Garamond", serif;
  --rooton-font-sans: "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;
  --rooton-font-en: "Cormorant Garamond", serif;
  --rooton-radius-card: 16px;
  --rooton-shadow-soft: 0 8px 30px rgba(15, 28, 20, 0.06);
}

/* ==========================================================================
   Section Layout
   ========================================================================== */
.rooton-tension-section {
  background: var(--rooton-bg-base);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(0, 0, 0, 0.04);
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

@media (max-width: 767px) {
  .rooton-tension-section {
    padding: 64px 0;
  }
}

.rooton-tension-section .rooton-section-title {
  font-family: var(--rooton-font-serif);
  font-size: clamp(1.45rem, 3.8vw, 2.25rem);
  font-weight: 600;
  color: var(--rooton-color-text);
  line-height: 1.55;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}

.rooton-title-sub {
  display: block;
  font-family: var(--rooton-font-en);
  font-size: 0.8125rem;
  letter-spacing: 0.25em;
  color: var(--rooton-color-accent);
  margin-bottom: 10px;
  font-weight: 500;
  text-transform: uppercase;
}

/* Lead Box */
.rooton-lead-box {
  max-width: 860px;
  margin: 0 auto 48px;
  background: rgba(255, 255, 255, 0.8);
  border-left: 3px solid var(--rooton-color-accent);
  padding: 24px 28px;
  border-radius: 0 12px 12px 0;
  box-shadow: var(--rooton-shadow-soft);
  text-align: left;
}

.rooton-lead-text {
  font-family: var(--rooton-font-sans);
  font-size: 0.96875rem;
  line-height: 2;
  color: var(--rooton-color-text);
  margin: 0;
}

.rooton-text-highlight {
  color: var(--rooton-color-alert);
  font-weight: 700;
  background: linear-gradient(transparent 60%, rgba(217, 119, 54, 0.15) 60%);
  display: inline;
}

/* ==========================================================================
   Component A: Bow & String Biomechanics (Real Spine Lateral + Triptych Cards)
   ========================================================================== */
.rooton-bow-biomechanics {
  background: transparent;
  border-radius: 0;
  padding: 0 !important;
  box-shadow: none !important;
  border: none !important;
  margin: 28px 0 0 !important;
}

@media (max-width: 991px) {
  .rooton-bow-biomechanics {
    padding: 0 !important;
    margin: 20px 0 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .rooton-bow-header {
    margin-bottom: 20px !important;
  }
  .rooton-bow-triptych {
    display: flex !important;
    flex-direction: column !important;
    gap: 18px !important;
    margin-bottom: 0 !important;
  }
  .rooton-bow-visual-center {
    order: -1 !important;
    width: 100% !important;
    max-width: 340px !important;
    margin: 0 auto !important;
  }
  .rooton-spine-bow-stage {
    width: 100% !important;
    max-width: 340px !important;
    height: 320px !important;
    box-sizing: border-box !important;
  }
  .rooton-bow-card {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 18px 16px !important;
    margin-bottom: 0 !important;
  }
  .rooton-bow-card--cause {
    margin-bottom: 0 !important;
  }
  .rooton-bow-points {
    margin-bottom: 12px !important;
    gap: 10px !important;
  }
  .rooton-bow-card-footer {
    padding: 6px 10px !important;
    font-size: 0.72rem !important;
  }
  .rooton-bow-lead {
    font-size: 0.84375rem !important;
    line-height: 1.65 !important;
  }
}

.rooton-bow-header {
  text-align: center;
  margin-bottom: 28px;
}

.rooton-bow-tag {
  display: inline-block;
  font-family: var(--rooton-font-en);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #8C6B28;
  background: rgba(197, 160, 89, 0.12);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 10px;
}

.rooton-bow-title {
  font-family: var(--rooton-font-serif);
  font-size: clamp(1.25rem, 3.2vw, 1.625rem);
  font-weight: 700;
  color: var(--rooton-color-text);
  line-height: 1.45;
  margin: 0 0 10px;
}

.rooton-bow-lead {
  font-family: var(--rooton-font-sans);
  font-size: 0.90625rem;
  line-height: 1.75;
  color: var(--rooton-color-muted);
  max-width: 780px;
  margin: 0 auto;
}

/* 弓と弦の3カラム・トリプティック */
.rooton-bow-triptych {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
  margin-bottom: 0 !important;
}

@media (min-width: 992px) {
  .rooton-bow-triptych {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 1.25fr) minmax(0, 1fr);
    gap: 20px;
    align-items: stretch;
  }
}

/* 左右の解説カード（洗練されたインサイト対比パネル・グラスモーフィズム：フォレスト・ノワール基調） */
.rooton-bow-card {
  min-width: 0;
  background: linear-gradient(165deg, rgba(20, 36, 27, 0.94) 0%, rgba(11, 19, 14, 0.98) 100%);
  border-radius: 16px;
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  border: 1px solid rgba(229, 195, 120, 0.22);
}

.rooton-bow-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.55), 0 0 24px rgba(229, 195, 120, 0.15);
  border-color: rgba(229, 195, 120, 0.45);
}

.rooton-bow-card--victim {
  border-left: 4px solid #D99B6A;
  background: linear-gradient(165deg, rgba(38, 28, 22, 0.92) 0%, rgba(16, 22, 18, 0.98) 100%);
}

.rooton-bow-card--cause {
  border-left: 4px solid #E5C378;
  background: linear-gradient(165deg, rgba(24, 42, 32, 0.94) 0%, rgba(11, 19, 14, 0.98) 100%);
}

.rooton-bow-card-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 5px 14px;
  border-radius: 9999px;
  align-self: flex-start;
  margin-bottom: 14px;
  letter-spacing: 0.05em;
}

.victim-badge {
  background: rgba(217, 155, 106, 0.18);
  border: 1px solid rgba(217, 155, 106, 0.4);
  color: #F6C8A6;
}

.cause-badge {
  background: rgba(229, 195, 120, 0.15);
  border: 1px solid rgba(229, 195, 120, 0.4);
  color: #F1DDAA;
}

.rooton-bow-card-title {
  font-family: var(--rooton-font-serif, "Cormorant Garamond", "Shippori Mincho", serif);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.5;
  margin: 0 0 16px;
  color: #FFFFFF;
}

.rooton-bow-points {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex-grow: 1;
}

.rooton-bow-points li {
  position: relative;
  font-size: 0.84375rem;
  line-height: 1.65;
  color: #E2E8F0;
}

.rooton-bow-points li strong {
  display: block;
  font-size: 0.875rem;
  color: #FFFFFF;
  margin-bottom: 3px;
}

.rooton-bow-card--victim .rooton-bow-points li strong {
  color: #F6C8A6;
}

.rooton-bow-card--cause .rooton-bow-points li strong {
  color: #E5C378;
}

.rooton-bow-card-footer {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.5;
  text-align: center;
  margin-top: auto;
}

.victim-footer {
  background: rgba(217, 155, 106, 0.12);
  border: 1px solid rgba(217, 155, 106, 0.25);
  color: #F6C8A6;
}

.cause-footer {
  background: rgba(229, 195, 120, 0.1);
  border: 1px solid rgba(229, 195, 120, 0.25);
  color: #F1DDAA;
}

.cause-footer {
  background: rgba(184, 83, 18, 0.08);
  color: #B85312;
}

/* 中央：本物の横向き背骨 × 弓と弦の力学グラフィックステージ */
.rooton-bow-visual-center {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.rooton-spine-bow-stage {
  position: relative;
  width: 100%;
  max-width: 350px;
  height: 320px;
  margin: 0 auto;
  background: radial-gradient(circle at 45% 50%, rgba(197, 160, 89, 0.14) 0%, rgba(27, 77, 54, 0.04) 55%, transparent 75%);
  border-radius: 20px;
  border: 1px solid rgba(197, 160, 89, 0.35);
  box-shadow: 0 10px 30px rgba(15, 28, 20, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.rooton-bow-vector-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

/* Stage Banner / Real-time status badge */
.rt-spine-status-banner {
  position: absolute;
  top: 8px;
  left: 8px;
  right: 8px;
  z-index: 6;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  background: rgba(18, 32, 24, 0.9);
  border: 1px solid rgba(197, 160, 89, 0.4);
  border-radius: 20px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: border-color 0.35s ease, background 0.35s ease;
}

.rt-spine-status-banner.is-state-c {
  border-color: rgba(231, 76, 60, 0.7);
  background: rgba(45, 18, 16, 0.92);
}

.rt-spine-status-banner.is-state-s {
  border-color: rgba(78, 159, 125, 0.7);
  background: rgba(18, 42, 28, 0.92);
}

.rt-spine-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #E74C3C;
  box-shadow: 0 0 8px rgba(231, 76, 60, 0.85);
  flex-shrink: 0;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.rt-spine-status-banner.is-state-s .rt-spine-badge-dot {
  background: #4E9F7D;
  box-shadow: 0 0 8px rgba(78, 159, 125, 0.85);
}

.rt-spine-status-text {
  font-family: var(--rooton-font-sans);
  font-size: 0.71875rem;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.3;
  letter-spacing: 0.02em;
}

/* 弓のアーク（C字 vs S字） */
.rt-bow-arc-spine {
  transition: opacity 0.2s ease-out;
}

.rt-bow-arc-spine-c {
  opacity: 1;
  filter: drop-shadow(0 0 6px rgba(231, 76, 60, 0.65));
}

.rt-bow-arc-spine-s {
  opacity: 0;
  filter: drop-shadow(0 0 6px rgba(197, 160, 89, 0.65));
}

.rt-bow-string-line {
  animation: rootonStringPulse 2.5s ease-in-out infinite;
  transition: opacity 0.25s ease-out;
}

.rt-tension-arrow {
  transition: opacity 0.25s ease-out;
}

.rt-navel-svg-pulse {
  animation: rootonNavelPulse 2s ease-in-out infinite;
  transform-origin: 188px 160px;
}

.rt-marker-pulse {
  animation: rootonMarkerPulse 1.8s ease-in-out infinite;
}

@keyframes rootonMarkerPulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

@keyframes rootonArcPulse {
  0%, 100% { stroke-width: 4.5; opacity: 0.85; }
  50% { stroke-width: 6; opacity: 1; filter: drop-shadow(0 0 8px rgba(231,76,60,0.7)); }
}

@keyframes rootonStringPulse {
  0%, 100% { stroke-width: 3; opacity: 0.85; }
  50% { stroke-width: 4.5; opacity: 1; filter: drop-shadow(0 0 6px rgba(211,84,0,0.7)); }
}

/* リアル解剖学的横向き背骨画像コンテナ（デュアルレイヤー） */
.rooton-spine-img-wrap {
  position: absolute;
  left: 88px;
  top: 40px;
  width: 62px;
  height: 260px;
  z-index: 1;
}

.rooton-spine-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
  transform-origin: 50% 92%; /* 仙骨アンカー */
  will-change: opacity, transform;
  transition: opacity 0.15s ease-out, transform 0.15s ease-out;
}

.rooton-spine-layer--c {
  opacity: 1;
  z-index: 1;
  filter: drop-shadow(0 4px 16px rgba(231, 76, 60, 0.45));
}

.rooton-spine-layer--s {
  opacity: 0;
  z-index: 2;
  filter: drop-shadow(0 4px 16px rgba(197, 160, 89, 0.5));
}

/* おへそコア */
.rooton-navel-core-pin {
  position: absolute;
  right: 24px;
  top: 236px;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 8px;
}

.rt-navel-pulse-ring {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #F1C40F;
  border: 3px solid #D35400;
  box-shadow: 0 0 10px rgba(241, 196, 15, 0.8);
  animation: rootonNavelPulse 2s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes rootonNavelPulse {
  0% { transform: scale(0.9); box-shadow: 0 0 4px rgba(241, 196, 15, 0.8); }
  50% { transform: scale(1.35); box-shadow: 0 0 14px rgba(211, 84, 0, 0.9); }
  100% { transform: scale(0.9); box-shadow: 0 0 4px rgba(241, 196, 15, 0.8); }
}

.rt-navel-label {
  background: #15241B;
  border: 1px solid var(--rooton-color-accent);
  color: #F1C40F;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 6px;
  line-height: 1.25;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.rt-navel-label small {
  display: block;
  font-size: 0.75rem;
  color: #E5C378;
}

/* ランドマークピンバッジ */
.rt-spine-pin {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  z-index: 3;
  pointer-events: none;
}

.rt-pin-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #C5A059;
  border: 1.5px solid #FFFFFF;
  box-shadow: 0 0 6px rgba(197, 160, 89, 0.6);
  flex-shrink: 0;
}

.rt-pin-text {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(197, 160, 89, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  padding: 3px 6px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  color: #1A2E22;
  line-height: 1.25;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.rt-pin-text small {
  display: block;
  font-size: 0.6875rem;
  color: #7A6335;
  font-weight: 500;
}

.pin-cervical {
  left: 8px;
  top: 70px;
}

.pin-thoracic {
  left: 6px;
  top: 180px;
}

.pin-lumbar {
  left: 8px;
  top: 310px;
}

.pin-sacrum {
  left: 12px;
  top: 400px;
}

.rooton-bow-caption {
  font-family: var(--rooton-font-sans);
  font-size: 0.78125rem;
  color: var(--rooton-color-muted);
  text-align: center;
  margin-top: 12px;
  line-height: 1.5;
}

/* インタラクティブ・スライダー & プリセット切り替えコントロール */
.rooton-spine-control-panel {
  width: 100%;
  max-width: 340px;
  margin-top: 14px;
  background: #FFFDF9;
  border: 1.5px solid rgba(197, 160, 89, 0.35);
  border-radius: 14px;
  padding: 14px 16px;
  box-shadow: 0 4px 14px rgba(15, 28, 20, 0.05);
}

.rooton-spine-scrubber-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.rt-scrubber-label {
  font-size: 0.71875rem;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}

.rt-label--c {
  color: #C0392B;
}

.rt-label--s {
  color: #2E6B4E;
}

.rt-slider-wrap {
  position: relative;
  flex-grow: 1;
  display: flex;
  align-items: center;
}

.rooton-spine-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 6px;
  background: linear-gradient(to right, #C0392B 0%, #E6EAE7 0%);
  outline: none;
  cursor: pointer;
  margin: 0;
  position: relative;
  z-index: 2;
  transition: background 0.15s ease;
}

.rooton-spine-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #C5A059;
  border: 3px solid #FFFFFF;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  cursor: grab;
  transition: transform 0.15s ease, background-color 0.2s ease;
}

.rooton-spine-slider::-webkit-slider-thumb:active {
  cursor: grabbing;
  transform: scale(1.15);
  background: #A3803E;
}

.rooton-spine-slider::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #C5A059;
  border: 3px solid #FFFFFF;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
  cursor: grab;
}

/* Preset Button Group */
.rooton-spine-btn-group {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.rt-spine-preset-btn {
  flex: 1;
  min-height: 44px; /* Touch target requirement Rule 10 */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--rooton-font-sans);
  border-radius: 8px;
  border: 1px solid rgba(27, 77, 54, 0.2);
  background: #FFFFFF;
  color: #2D3730;
  cursor: pointer;
  transition: all 0.25s ease;
  padding: 6px 8px;
}

.rt-spine-preset-btn:hover {
  border-color: #C5A059;
  background: rgba(197, 160, 89, 0.08);
}

.rt-spine-preset-btn.is-active {
  background: #1B4D36;
  color: #FFFFFF;
  border-color: #1B4D36;
  box-shadow: 0 2px 8px rgba(27, 77, 54, 0.25);
}

.rt-spine-btn--loop {
  border-color: rgba(197, 160, 89, 0.5);
  background: #FAF6EF;
  color: #7A6335;
}

.rt-spine-btn--loop.is-playing {
  background: linear-gradient(135deg, #C5A059 0%, #B88E3E 100%);
  color: #FFFFFF;
  border-color: #B88E3E;
  box-shadow: 0 2px 8px rgba(197, 160, 89, 0.35);
}

.rt-spine-btn--loop.is-playing .rt-loop-icon {
  display: inline-block;
  animation: rtSpinLoop 3s linear infinite;
}

@keyframes rtSpinLoop {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.rooton-spine-hint {
  font-size: 0.71875rem;
  color: #6C7A72;
  line-height: 1.45;
  text-align: center;
  margin: 0;
}

/* ==========================================================================
   Concise 3-Step Dynamic Flow (1画面で直感的にわかる力学ステップ)
   ========================================================================== */
.rt-spine-flow-steps {
  width: 100%;
  max-width: 340px;
  margin: 12px auto 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.rt-flow-step {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 9px 12px;
  background: #FFFFFF;
  border: 1px solid rgba(197, 160, 89, 0.28);
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(15, 28, 20, 0.04);
  transition: all 0.3s ease;
}

.rt-flow-step.is-state-c {
  border-left: 4px solid #C0392B;
}

.rt-flow-step.is-state-s {
  border-left: 4px solid #2E6B4E;
}

.rt-step-badge {
  font-size: 0.6875rem;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
  white-space: nowrap;
  letter-spacing: 0.04em;
  flex-shrink: 0;
  margin-top: 1px;
}

.is-state-c .rt-step-badge {
  background: rgba(192, 57, 43, 0.12);
  color: #C0392B;
}

.is-state-s .rt-step-badge {
  background: rgba(46, 107, 78, 0.12);
  color: #2E6B4E;
}

.rt-step-content {
  flex: 1;
  min-width: 0;
  text-align: left;
}

.rt-step-title {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  color: #1E3326;
  line-height: 1.35;
  margin-bottom: 2px;
}

.rt-step-desc {
  font-size: 0.75rem;
  color: #555C56;
  line-height: 1.5;
  margin: 0;
}

/* 4 Traps List */
.rooton-traps-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 580px) and (max-width: 991px) {
  .rooton-traps-list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 992px) {
  .rooton-traps-list {
    grid-template-columns: repeat(4, 1fr);
  }
}

.rooton-trap-card {
  background: var(--rooton-bg-base);
  border-radius: 10px;
  padding: 18px 16px;
  border-left: 3px solid var(--rooton-color-accent);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.rooton-trap-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.rooton-trap-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.rooton-trap-icon {
  font-size: 1rem;
  line-height: 1;
}

.rooton-trap-title {
  font-family: var(--rooton-font-serif);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--rooton-color-text);
  margin: 0;
}

.rooton-trap-desc {
  font-family: var(--rooton-font-sans);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: #4A504C;
  margin: 0;
}

/* ==========================================================================
   Component B: Tension Comparison (10 vs 10 vs 1 vs 1 Dynamic Animations)
   ========================================================================== */
.rooton-tension-compare-wrap {
  margin-bottom: 48px;
}

.rooton-compare-heading-wrap {
  text-align: center;
  margin-bottom: 24px;
}

.rooton-compare-heading {
  font-family: var(--rooton-font-serif);
  font-size: clamp(1.25rem, 3vw, 1.625rem);
  font-weight: 600;
  color: var(--rooton-color-text);
  margin-bottom: 8px;
}

.rooton-compare-sub {
  font-family: var(--rooton-font-sans);
  font-size: 0.875rem;
  color: var(--rooton-color-muted);
}

/* ==========================================================================
   Tensegrity Tent & Bio-Tensegrity Biomechanics Stage
   ========================================================================== */
.rt-tensegrity-stage {
  background: #FFFFFF;
  border-radius: 20px;
  padding: 32px 28px;
  box-shadow: 0 10px 36px rgba(15, 28, 20, 0.06);
  border: 1.5px solid rgba(197, 160, 89, 0.3);
  margin-top: 24px;
  margin-bottom: 40px;
  max-width: 100%;
  box-sizing: border-box;
}

@media (max-width: 767px) {
  .rt-tensegrity-stage {
    padding: 20px 14px;
    border-radius: 16px;
    margin-top: 18px;
    margin-bottom: 32px;
  }
}

.rt-tensegrity-playback-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding: 8px 14px;
  background: rgba(197, 160, 89, 0.08);
  border-radius: 8px;
  font-size: 0.75rem;
  color: var(--rooton-color-muted);
}

@media (max-width: 767px) {
  .rt-tensegrity-playback-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 8px 12px;
  }
}

.rt-tensegrity-play-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: #1B4D36;
}

.rt-play-dot {
  width: 7px;
  height: 7px;
  background: #10B981;
  border-radius: 50%;
  animation: rtPulseDot 1.6s ease-in-out infinite;
}

@keyframes rtPulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.5; }
}

.rt-tensegrity-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

@media (max-width: 767px) {
  .rt-tensegrity-tabs {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

.rt-tensegrity-tab {
  background: #FDFBF7;
  border: 1.5px solid rgba(0, 0, 0, 0.08);
  border-radius: 12px;
  padding: 12px 14px;
  cursor: pointer;
  text-align: left;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-height: 52px;
  position: relative;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  width: 100%;
  box-sizing: border-box;
}

.rt-tensegrity-tab:hover {
  border-color: #C5A059;
  background: #FFFFFF;
}

.rt-tensegrity-tab.is-active {
  background: #FFFFFF;
  border-color: #1B4D36;
  box-shadow: 0 4px 16px rgba(27, 77, 54, 0.12);
}

.rt-tensegrity-tab.is-active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 14px;
  right: 14px;
  height: 3px;
  background: #1B4D36;
  border-radius: 3px;
}

.rt-tensegrity-tab[data-tensegrity-state="collapsed"].is-active::after {
  background: #D35400;
}

.rt-tensegrity-tab[data-tensegrity-state="restored"].is-active::after {
  background: #059669;
}

.rt-tensegrity-tab-header {
  display: flex;
  align-items: center;
  gap: 6px;
}

.rt-tensegrity-tab-icon {
  font-size: 1.15rem;
  line-height: 1;
}

.rt-tensegrity-tab-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--rooton-color-text);
}

.rt-tensegrity-tab.is-active .rt-tensegrity-tab-title {
  color: #1B4D36;
}

.rt-tensegrity-tab[data-tensegrity-state="collapsed"].is-active .rt-tensegrity-tab-title {
  color: #D35400;
}

.rt-tensegrity-tab[data-tensegrity-state="restored"].is-active .rt-tensegrity-tab-title {
  color: #059669;
}

.rt-tensegrity-tab-desc {
  font-size: 0.75rem;
  color: var(--rooton-color-muted);
  line-height: 1.35;
  padding-left: 26px;
}

.rt-tensegrity-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

@media (max-width: 767px) {
  .rt-tensegrity-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

.rt-tensegrity-col {
  background: #FAF8F5;
  border: 1px solid rgba(197, 160, 89, 0.2);
  border-radius: 14px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  position: relative;
  box-sizing: border-box;
}

.rt-tensegrity-col-header {
  margin-bottom: 10px;
}

.rt-tensegrity-col-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 6px;
  background: #E8EFEA;
  color: #1B4D36;
  margin-bottom: 4px;
}

.rt-tensegrity-col-title {
  font-family: var(--rooton-font-serif);
  font-size: 1rem;
  font-weight: 700;
  margin: 0;
  color: var(--rooton-color-text);
}

.rt-tensegrity-viewport {
  width: 100%;
  aspect-ratio: 400 / 270;
  position: relative;
  background: #FFFFFF;
  border-radius: 10px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  overflow: hidden;
  box-sizing: border-box;
}

.rt-tensegrity-viewport svg {
  width: 100%;
  height: 100%;
  display: block;
}

.rt-layer-tight,
.rt-layer-balanced,
.rt-layer-collapsed,
.rt-layer-restored {
  transition: opacity 0.45s ease-in-out;
  opacity: 0;
  pointer-events: none;
}

.rt-tensegrity-stage.is-state-tight .rt-layer-tight,
.rt-tensegrity-stage.is-state-balanced .rt-layer-balanced,
.rt-tensegrity-stage.is-state-tight .rt-layer-balanced {
  opacity: 1;
  pointer-events: auto;
}

.rt-tensegrity-stage.is-state-collapsed .rt-layer-collapsed {
  opacity: 1;
  pointer-events: auto;
}

.rt-tensegrity-stage.is-state-restored .rt-layer-restored {
  opacity: 1;
  pointer-events: auto;
}

@keyframes rtPulseStrain {
  0%, 100% { stroke-opacity: 1; stroke-width: 4px; }
  50% { stroke-opacity: 0.6; stroke-width: 5.5px; }
}
.rt-anim-strain {
  animation: rtPulseStrain 1.4s ease-in-out infinite;
}

@keyframes rtPulseArrowDown {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(6px); opacity: 0.65; }
}
.rt-anim-arrow-down {
  animation: rtPulseArrowDown 1.3s ease-in-out infinite;
}

@keyframes rtPulseArrowUp {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(-6px); opacity: 0.65; }
}
.rt-anim-arrow-up {
  animation: rtPulseArrowUp 1.3s ease-in-out infinite;
}

@keyframes rtHotspotFlash {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.4); opacity: 0.4; }
}
.rt-anim-hotspot {
  transform-origin: center;
  animation: rtHotspotFlash 1.6s ease-in-out infinite;
}

/* 関節圧縮ロック警告パルス */
@keyframes rtJointLockFlash {
  0%, 100% { transform: scale(1); opacity: 0.95; }
  50% { transform: scale(1.2); opacity: 0.6; }
}
.rt-anim-joint-lock {
  transform-origin: center;
  animation: rtJointLockFlash 1.3s ease-in-out infinite;
}

.rt-tensegrity-status-tag {
  margin-top: 10px;
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  text-align: center;
  transition: all 0.3s ease;
}

.rt-tensegrity-stage.is-state-tight .rt-tensegrity-status-tag {
  background: #FFF7ED;
  color: #C2410C;
  border: 1px solid #FDBA74;
}
.rt-tensegrity-stage.is-state-balanced .rt-tensegrity-status-tag {
  background: #FFF7ED;
  color: #C2410C;
  border: 1px solid #FDBA74;
}
.rt-tensegrity-stage.is-state-collapsed .rt-tensegrity-status-tag {
  background: #FFF1F0;
  color: #991B1B;
  border: 1px solid #FECACA;
}
.rt-tensegrity-stage.is-state-restored .rt-tensegrity-status-tag {
  background: #ECFDF5;
  color: #065F46;
  border: 1px solid #A7F3D0;
}

.rt-tensegrity-insight-box {
  background: #FFFDF9;
  border: 1.5px solid rgba(197, 160, 89, 0.4);
  border-radius: 12px;
  padding: 20px 22px;
  transition: all 0.3s ease;
}

.rt-tensegrity-insight-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.rt-tensegrity-insight-icon {
  font-size: 1.25rem;
}

.rt-tensegrity-insight-title {
  font-family: var(--rooton-font-serif);
  font-size: 1.0625rem;
  font-weight: 700;
  color: #1B4D36;
}

.rt-tensegrity-stage.is-state-collapsed .rt-tensegrity-insight-title {
  color: #D35400;
}
.rt-tensegrity-stage.is-state-restored .rt-tensegrity-insight-title {
  color: #059669;
}

.rt-tensegrity-insight-body {
  font-size: 0.90625rem;
  line-height: 1.75;
  color: var(--rooton-color-text);
  margin: 0 0 12px;
}

.rt-tensegrity-insight-footer {
  padding-top: 10px;
  border-top: 1px dashed rgba(197, 160, 89, 0.3);
  font-size: 0.84375rem;
  line-height: 1.65;
  color: #78350F;
  background: rgba(245, 158, 11, 0.06);
  padding: 10px 14px;
  border-radius: 8px;
}

.rt-tensegrity-insight-footer strong {
  color: #B45309;
}

/* Bilingual SVG Text Toggling */
html[lang="en"] .rt-svg-jp,
body.is-en .rt-svg-jp {
  display: none !important;
}
html:not([lang="en"]) body:not(.is-en) .rt-svg-en {
  display: none !important;
}

/* インタラクティブ比較タブ */
.rooton-compare-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.rooton-tab-btn {
  padding: 8px 18px;
  border-radius: 9999px;
  border: 1.5px solid rgba(197, 160, 89, 0.35);
  background: #FFFFFF;
  color: #4A504C;
  font-family: var(--rooton-font-sans);
  font-size: 0.8125rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.rooton-tab-btn:hover {
  border-color: var(--rooton-color-accent);
  color: #1A2E22;
}

.rooton-tab-btn.is-active {
  background: #1B4D36;
  color: #FFFFFF;
  border-color: #1B4D36;
  box-shadow: 0 4px 14px rgba(27, 77, 54, 0.22);
}

.rooton-tension-compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .rooton-tension-compare {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 28px;
  }
}

/* ==========================================================================
   Tensegrity Diversity & Trigger Point Variation Box
   ========================================================================== */
.rt-tensegrity-diversity-box {
  background: #FFFFFF;
  border: 1.5px solid rgba(197, 160, 89, 0.35);
  border-radius: 18px;
  padding: 36px 32px;
  margin-top: 32px;
  box-shadow: 0 10px 30px rgba(15, 28, 20, 0.05);
  position: relative;
}

@media (max-width: 767px) {
  .rt-tensegrity-diversity-box {
    padding: 24px 18px;
    margin-top: 24px;
    border-radius: 14px;
  }
}

.rt-diversity-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 28px;
}

.rt-diversity-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #FEF3C7;
  color: #92400E;
  font-family: var(--rooton-font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 4px 14px;
  border-radius: 20px;
  border: 1px solid #FCD34D;
  margin-bottom: 12px;
}

.rt-diversity-title {
  font-family: var(--rooton-font-serif);
  font-size: 1.375rem;
  font-weight: 700;
  color: #1A2E22;
  line-height: 1.5;
  margin: 0 0 12px;
}

.rt-diversity-sub {
  display: block;
  font-size: 1.0625rem;
  font-weight: 600;
  color: #C5A059;
  margin-top: 6px;
}

.rt-diversity-lead {
  font-family: var(--rooton-font-sans);
  font-size: 0.90625rem;
  color: #4A524D;
  line-height: 1.8;
  margin: 0;
  text-align: left;
}

.rt-diversity-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 28px;
}

@media (min-width: 768px) {
  .rt-diversity-grid {
    grid-template-columns: 1fr 1fr;
    gap: 22px;
  }
}

.rt-diversity-card {
  background: #FDFBF7;
  border: 1px solid rgba(27, 77, 54, 0.12);
  border-radius: 12px;
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.rt-diversity-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(15, 28, 20, 0.06);
}

.rt-diversity-card--highlight {
  border: 1.5px solid rgba(197, 160, 89, 0.5);
  background: linear-gradient(180deg, #FFFDF9 0%, #FAF7F0 100%);
  box-shadow: 0 4px 16px rgba(197, 160, 89, 0.12);
}

.rt-diversity-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.rt-diversity-card-icon {
  font-size: 1.4rem;
}

.rt-diversity-card-num {
  font-family: var(--rooton-font-serif);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #8C6B28;
}

.rt-diversity-card-title {
  font-family: var(--rooton-font-serif);
  font-size: 1.0625rem;
  font-weight: 700;
  color: #1A2E22;
  margin: 0 0 14px;
  line-height: 1.4;
}

.rt-diversity-mechanics {
  background: #FFFFFF;
  border-radius: 8px;
  padding: 12px 14px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.rt-diversity-row {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

@media (min-width: 480px) {
  .rt-diversity-row {
    flex-direction: row;
    align-items: baseline;
    gap: 8px;
  }
}

.rt-diversity-tag {
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  white-space: nowrap;
  align-self: flex-start;
  flex-shrink: 0;
}

.rt-tag-culprit {
  background: #FEF2F2;
  color: #DC2626;
  border: 1px solid #FECACA;
}

.rt-tag-victim {
  background: #FFF7ED;
  color: #C2410C;
  border: 1px solid #FFEDD5;
}

.rt-diversity-row-text {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #1F2937;
  margin: 0;
  line-height: 1.45;
}

.rt-diversity-card-desc {
  font-size: 0.8125rem;
  color: #4B5563;
  line-height: 1.65;
  margin: 0;
}

.rt-diversity-callout {
  background: linear-gradient(135deg, #1B4D36 0%, #153E2B 100%);
  color: #FFFFFF;
  border-radius: 12px;
  padding: 24px 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  box-shadow: 0 8px 24px rgba(27, 77, 54, 0.25);
}

@media (max-width: 640px) {
  .rt-diversity-callout {
    flex-direction: column;
    padding: 20px 18px;
    gap: 12px;
  }
}

.rt-diversity-callout-icon {
  font-size: 2rem;
  line-height: 1;
  flex-shrink: 0;
}

.rt-diversity-callout-title {
  display: block;
  font-family: var(--rooton-font-serif);
  font-size: 1.0625rem;
  font-weight: 700;
  color: #F8EDD3;
  line-height: 1.5;
  margin-bottom: 8px;
}

.rt-diversity-callout-desc {
  font-size: 0.84375rem;
  color: #E2E8F0;
  line-height: 1.75;
  margin: 0;
}

/* Card 1: 10 vs 10 Warning Card */
.rooton-card-warning {
  min-width: 0;
  background: #FFFDF9;
  border: 1.5px solid rgba(217, 119, 54, 0.35);
  border-radius: var(--rooton-radius-card);
  padding: 32px 28px;
  box-shadow: 0 8px 24px rgba(217, 119, 54, 0.08);
  position: relative;
  display: flex;
  flex-direction: column;
}

@media (max-width: 767px) {
  .rooton-card-warning {
    padding: 24px 18px;
  }
}

.rooton-card-badge-alert {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #B85312;
  color: #FFFFFF;
  font-family: var(--rooton-font-sans);
  font-size: 0.71875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: 20px;
  align-self: flex-start;
  margin-bottom: 16px;
}

.rooton-card-title-alert {
  font-family: var(--rooton-font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: #9E4613;
  margin-bottom: 16px;
  line-height: 1.4;
}

/* Compare Illustration Diagram */
.rooton-compare-illus {
  margin-bottom: 18px;
  background: rgba(0, 0, 0, 0.02);
  border-radius: 10px;
  padding: 8px;
  display: flex;
  justify-content: center;
  align-items: center;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.rooton-card-harmony .rooton-compare-illus {
  background: #F4F8F5;
  border: 1px solid rgba(27, 77, 54, 0.2);
}

.rooton-compare-svg {
  width: 100%;
  max-width: 340px;
  height: auto;
  display: block;
}

/* 10:10 緊張アニメーション（震え・圧縮・関節ロック） */
@keyframes rootonClampTremorLeft {
  0%, 100% { transform: translateX(0); }
  15% { transform: translateX(3.5px); }
  30% { transform: translateX(-1px); }
  45% { transform: translateX(4px); }
  60% { transform: translateX(1px); }
  75% { transform: translateX(3px); }
  90% { transform: translateX(0); }
}

@keyframes rootonClampTremorRight {
  0%, 100% { transform: translateX(0); }
  15% { transform: translateX(-3.5px); }
  30% { transform: translateX(1px); }
  45% { transform: translateX(-4px); }
  60% { transform: translateX(-1px); }
  75% { transform: translateX(-3px); }
  90% { transform: translateX(0); }
}

@keyframes rootonJointStrain {
  0% { transform: translate(170px, 50px) scale(1); }
  50% { transform: translate(170px, 50px) scale(0.92); filter: drop-shadow(0 0 8px rgba(231, 76, 60, 0.9)); }
  100% { transform: translate(170px, 50px) scale(1); }
}

@keyframes rootonStressPulse {
  0% { r: 16; opacity: 0.9; stroke-width: 2; }
  100% { r: 34; opacity: 0; stroke-width: 0.5; }
}

@keyframes rootonGaugePulseAlert {
  0%, 100% { opacity: 0.85; }
  50% { opacity: 1; filter: brightness(1.2); }
}

.rt-anim-force-left {
  animation: rootonClampTremorLeft 1.2s ease-in-out infinite;
}

.rt-anim-force-right {
  animation: rootonClampTremorRight 1.2s ease-in-out infinite;
}

.rt-anim-joint-locked {
  animation: rootonJointStrain 0.8s ease-in-out infinite alternate;
}

.rt-stress-pulse-ring {
  animation: rootonStressPulse 1.5s cubic-bezier(0.2, 0.8, 0.2, 1) infinite;
}

.rt-gauge-pulse-alert {
  animation: rootonGaugePulseAlert 1.2s ease-in-out infinite;
}

/* 1:1 調和アニメーション（しなやかな深呼吸・360度全方位回旋） */
@keyframes rootonSuppleBreathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.025); }
}

@keyframes rootonFullOrbit {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes rootonCalmRipple {
  0%, 100% { r: 22; opacity: 0.3; }
  50% { r: 30; opacity: 0.85; stroke-width: 1.5; }
}

.rt-anim-supple-left {
  animation: rootonSuppleBreathe 4s ease-in-out infinite;
}

.rt-anim-supple-right {
  animation: rootonSuppleBreathe 4s ease-in-out infinite 0.5s;
}

.rt-orbit-ring-group {
  transform-origin: 0 0;
  animation: rootonFullOrbit 4.5s linear infinite;
}

.rt-calm-ripple {
  animation: rootonCalmRipple 3.5s ease-in-out infinite;
}

/* Tension Visual Gauge */
.rooton-gauge-box {
  background: rgba(0, 0, 0, 0.03);
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 20px;
}

.rooton-gauge-label {
  display: flex;
  justify-content: space-between;
  font-family: var(--rooton-font-sans);
  font-size: 0.78125rem;
  font-weight: 700;
  color: var(--rooton-color-text);
  margin-bottom: 8px;
}

.rooton-gauge-bar-wrap {
  display: flex;
  height: 12px;
  border-radius: 6px;
  overflow: hidden;
  gap: 2px;
  background: #E5E2DC;
}

.rooton-gauge-fill-alert {
  background: linear-gradient(90deg, #D97736, #C0392B);
  width: 50%;
  height: 100%;
}

.rooton-gauge-fill-alert-r {
  background: linear-gradient(90deg, #C0392B, #D97736);
  width: 50%;
  height: 100%;
}

.rooton-gauge-note {
  font-family: var(--rooton-font-sans);
  font-size: 0.71875rem;
  color: #9E4613;
  font-weight: 700;
  margin-top: 6px;
  text-align: center;
}

.rooton-card-desc {
  font-family: var(--rooton-font-sans);
  font-size: 0.875rem;
  line-height: 1.85;
  color: #4A504C;
  margin-bottom: 16px;
}

.rooton-card-desc p {
  margin-bottom: 12px;
}

.rooton-card-desc p:last-child {
  margin-bottom: 0;
}

.rooton-alert-callout {
  background: var(--rooton-color-alert-bg);
  border-left: 2.5px solid var(--rooton-color-alert);
  padding: 12px 14px;
  border-radius: 0 6px 6px 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: #8C390B;
  margin-top: auto;
}

/* Card 2: 1 vs 1 Forest Harmony Card */
.rooton-card-harmony {
  min-width: 0;
  background: #F7FAF8;
  color: #2D312E;
  border: 1.5px solid rgba(27, 77, 54, 0.35);
  border-radius: var(--rooton-radius-card);
  padding: 32px 28px;
  box-shadow: 0 8px 24px rgba(27, 77, 54, 0.08);
  position: relative;
  display: flex;
  flex-direction: column;
}

@media (max-width: 767px) {
  .rooton-card-harmony {
    padding: 24px 18px;
  }
}

.rooton-card-badge-harmony {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #1B4D36;
  color: #FFFFFF;
  font-family: var(--rooton-font-sans);
  font-size: 0.71875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: 20px;
  align-self: flex-start;
  margin-bottom: 16px;
}

.rooton-card-title-harmony {
  font-family: var(--rooton-font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: #1B4D36;
  margin-bottom: 16px;
  line-height: 1.4;
}

.rooton-gauge-box-dark {
  background: rgba(27, 77, 54, 0.06);
  border: 1px solid rgba(27, 77, 54, 0.14);
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 20px;
}

.rooton-gauge-label-dark {
  display: flex;
  justify-content: space-between;
  font-family: var(--rooton-font-sans);
  font-size: 0.78125rem;
  font-weight: 700;
  color: #1A2E22;
  margin-bottom: 8px;
}

.rooton-gauge-bar-wrap-dark {
  display: flex;
  height: 12px;
  border-radius: 6px;
  overflow: hidden;
  background: #DDE7E0;
  justify-content: space-between;
  padding: 0 4px;
  align-items: center;
}

.rooton-gauge-fill-harmony {
  background: #1B4D36;
  width: 12%;
  height: 6px;
  border-radius: 3px;
}

.rooton-gauge-note-gold {
  font-family: var(--rooton-font-sans);
  font-size: 0.71875rem;
  color: #1B4D36;
  font-weight: 700;
  margin-top: 6px;
  text-align: center;
}

.rooton-card-desc-dark {
  font-family: var(--rooton-font-sans);
  font-size: 0.875rem;
  line-height: 1.85;
  color: #333D37;
  margin-bottom: 16px;
}

.rooton-card-desc-dark p {
  margin-bottom: 12px;
}

.rooton-card-desc-dark p:last-child {
  margin-bottom: 0;
}

.rooton-card-desc-dark strong {
  color: #1B4D36;
  font-weight: 700;
}

.rooton-harmony-callout {
  background: #EDF6F1;
  border-left: 3px solid #1B4D36;
  padding: 14px 16px;
  border-radius: 0 8px 8px 0;
  font-size: 0.84375rem;
  line-height: 1.75;
  color: #154E30;
  margin-top: auto;
}

.rooton-harmony-callout strong {
  color: #0E3B24;
}

/* Reduced motion accessibility */
@media (prefers-reduced-motion: reduce) {
  .rt-anim-force-left,
  .rt-anim-force-right,
  .rt-anim-joint-locked,
  .rt-stress-pulse-ring,
  .rt-gauge-pulse-alert,
  .rt-anim-supple-left,
  .rt-anim-supple-right,
  .rt-orbit-ring-group,
  .rt-calm-ripple,
  .rt-bow-arc-spine,
  .rt-bow-string-line,
  .rt-navel-pulse-ring {
    animation: none !important;
  }
}

/* ==========================================================================
   Component C: User Manual & Early Self-Care Box
   ========================================================================== */
.rooton-manual-box {
  background: linear-gradient(135deg, #FFFFFF 0%, #F5F3EB 100%);
  border-radius: var(--rooton-radius-card);
  padding: 36px 32px;
  border: 1px solid rgba(197, 160, 89, 0.35);
  box-shadow: var(--rooton-shadow-soft);
  position: relative;
}

@media (max-width: 767px) {
  .rooton-manual-box {
    padding: 26px 20px;
  }
}

.rooton-manual-inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

@media (min-width: 768px) {
  .rooton-manual-inner {
    flex-direction: row;
    align-items: center;
    gap: 32px;
  }
}

.rooton-manual-icon-wrap {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  background: var(--rooton-bg-forest);
  border: 2px solid var(--rooton-color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  box-shadow: 0 4px 16px rgba(15, 28, 20, 0.15);
}

.rooton-manual-content {
  flex-grow: 1;
}

.rooton-manual-tag {
  font-family: var(--rooton-font-en);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #8B6914;
  font-weight: 600;
  display: block;
  margin-bottom: 4px;
}

.rooton-manual-title {
  font-family: var(--rooton-font-serif);
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  font-weight: 700;
  color: var(--rooton-color-text);
  margin-bottom: 12px;
  line-height: 1.45;
}

.rooton-manual-desc {
  font-family: var(--rooton-font-sans);
  font-size: 0.875rem;
  line-height: 1.85;
  color: #4A504C;
  margin: 0;
}

/* ==========================================================================
   Component: Anatomy Trains & Fascial Continuity (SFL vs SBL)
   ========================================================================== */
.rooton-fascia-container {
  margin-bottom: 56px;
}

.rooton-fascia-intro {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 36px;
}

.rooton-fascia-sub-badge {
  display: inline-block;
  font-family: var(--rooton-font-en);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #8B6914;
  background: rgba(197, 160, 89, 0.12);
  border: 1px solid rgba(197, 160, 89, 0.3);
  padding: 4px 16px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.rooton-fascia-heading {
  font-family: var(--rooton-font-serif);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 700;
  color: var(--rooton-color-text);
  line-height: 1.5;
  margin-bottom: 14px;
}

.rooton-fascia-desc {
  font-family: var(--rooton-font-sans);
  font-size: 0.9375rem;
  line-height: 1.85;
  color: #4A504C;
  margin: 0;
}

.rooton-fascia-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-bottom: 32px;
}

@media (min-width: 860px) {
  .rooton-fascia-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

.rooton-fascia-card {
  background: var(--rooton-bg-surface);
  border-radius: var(--rooton-radius-card);
  padding: 32px 24px;
  box-shadow: var(--rooton-shadow-soft);
  border: 1px solid rgba(0, 0, 0, 0.07);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.rooton-fascia-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(15, 28, 20, 0.09);
}

.rooton-fascia-card--front {
  border-top: 4px solid #C5A059;
}

.rooton-fascia-card--back {
  border-top: 4px solid #C0392B;
}

.rooton-fascia-card-header {
  margin-bottom: 20px;
  text-align: center;
}

.rooton-fascia-role-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 3px 12px;
  border-radius: 12px;
  margin-bottom: 8px;
}

.rooton-fascia-card--front .rooton-fascia-role-badge {
  background: rgba(217, 119, 54, 0.12);
  color: #B85312;
  border: 1px solid rgba(217, 119, 54, 0.3);
}

.rooton-fascia-card--back .rooton-fascia-role-badge {
  background: rgba(192, 57, 43, 0.1);
  color: #C0392B;
  border: 1px solid rgba(192, 57, 43, 0.25);
}

.rooton-fascia-title {
  font-family: var(--rooton-font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--rooton-color-text);
  margin-bottom: 6px;
}

.rooton-fascia-subtitle {
  font-size: 0.8125rem;
  color: #6B7280;
  margin: 0;
}

.rooton-fascia-visual-wrap {
  width: 100%;
  max-width: 280px;
  margin: 0 auto 24px;
  border-radius: 12px;
  overflow: hidden;
  background: #F8FAF9;
  border: 1px solid #E5ECE7;
  padding: 8px;
}

.rooton-fascia-svg {
  width: 100%;
  height: auto;
  display: block;
}

.rooton-fascia-img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 8px;
  display: block;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.rooton-fascia-card:hover .rooton-fascia-img {
  transform: scale(1.02);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.14);
}

.rooton-fascia-body {
  flex-grow: 1;
}

.rooton-fascia-route-box {
  background: #F8FAF9;
  border: 1px solid #E8EFEA;
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 16px;
  font-size: 0.8125rem;
  color: #374151;
  line-height: 1.6;
}

.rooton-fascia-route-label {
  font-weight: 700;
  color: #1B4D36;
  display: block;
  margin-bottom: 4px;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.rooton-fascia-explain-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.rooton-fascia-explain-item {
  position: relative;
  padding-left: 20px;
  font-size: 0.875rem;
  line-height: 1.7;
  color: #333D37;
}

.rooton-fascia-explain-item::before {
  content: "•";
  position: absolute;
  left: 6px;
  top: 0;
  font-size: 1.2rem;
  color: #C5A059;
}

.rooton-fascia-card--back .rooton-fascia-explain-item::before {
  color: #C0392B;
}

/* Central Insight Bridge Banner */
.rooton-fascia-insight-banner {
  background: linear-gradient(135deg, #15241B 0%, #1E3628 100%);
  border-radius: var(--rooton-radius-card);
  padding: 32px 28px;
  color: #FFFFFF;
  box-shadow: 0 10px 30px rgba(15, 28, 20, 0.15);
  border: 1px solid rgba(197, 160, 89, 0.4);
  position: relative;
  overflow: hidden;
  margin-top: 12px;
}

.rooton-fascia-insight-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--rooton-font-en);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #F1C40F;
  margin-bottom: 12px;
}

.rooton-fascia-insight-title {
  font-family: var(--rooton-font-serif);
  font-size: clamp(1.125rem, 2.8vw, 1.5rem);
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.5;
  margin-bottom: 16px;
}

.rooton-fascia-insight-text {
  font-family: var(--rooton-font-sans);
  font-size: 0.9375rem;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
}

.rooton-fascia-insight-highlight {
  color: #F1C40F;
  font-weight: 700;
}

/* ==========================================================================
   Micro-Animations: Fascia Tension & Balance Vectors
   ========================================================================== */
@keyframes rootonFasciaPulseSFL {
  0%, 100% {
    stroke-width: 2.2;
    opacity: 0.9;
    filter: drop-shadow(0 0 2px rgba(192, 57, 43, 0.4));
  }
  50% {
    stroke-width: 3.4;
    opacity: 1;
    filter: drop-shadow(0 0 6px rgba(192, 57, 43, 0.8));
  }
}

@keyframes rootonHarmonyGlow {
  0%, 100% {
    box-shadow: 0 4px 20px rgba(39, 174, 96, 0.08);
  }
  50% {
    box-shadow: 0 8px 30px rgba(39, 174, 96, 0.2);
  }
}

.rooton-fascia-container.is-animated .rooton-fascia-svg line[stroke="#C0392B"],
.rooton-fascia-container.is-animated .rooton-fascia-svg path[stroke="#C0392B"] {
  animation: rootonFasciaPulseSFL 2.8s ease-in-out infinite;
}

.rooton-card-harmony {
  animation: rootonHarmonyGlow 3.5s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .rooton-fascia-container.is-animated .rooton-fascia-svg line[stroke="#C0392B"],
  .rooton-fascia-container.is-animated .rooton-fascia-svg path[stroke="#C0392B"],
  .rooton-card-harmony {
    animation: none !important;
  }
}

/* ==========================================================================
   Clean 3-Step Tension Flow Cards (Replacing confusing lines & gauges)
   ========================================================================== */
.rt-tension-flow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 20px 0 24px;
  padding: 18px 16px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 14px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

.rt-tension-flow-alert {
  border: 1px solid rgba(192, 57, 43, 0.25);
  background: linear-gradient(135deg, #FFF9F8 0%, #FFFFFF 100%);
}

.rt-tension-flow-harmony {
  border: 1px solid rgba(27, 77, 54, 0.25);
  background: linear-gradient(135deg, #F4F9F6 0%, #FFFFFF 100%);
}

.rt-tflow-step {
  flex: 1 1 0;
  text-align: center;
  padding: 14px 10px;
  background: #FFFFFF;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.rt-tension-flow-alert .rt-tflow-step {
  border: 1px solid rgba(192, 57, 43, 0.15);
}

.rt-tension-flow-harmony .rt-tflow-step {
  border: 1px solid rgba(27, 77, 54, 0.15);
}

.rt-tflow-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: 2px 8px;
  border-radius: 20px;
  margin-bottom: 6px;
}

.rt-tension-flow-alert .rt-tflow-badge {
  background: rgba(192, 57, 43, 0.1);
  color: #C0392B;
}

.rt-tension-flow-harmony .rt-tflow-badge {
  background: rgba(27, 77, 54, 0.1);
  color: #1B4D36;
}

.rt-tflow-icon {
  font-size: 1.4rem;
  line-height: 1;
  margin-bottom: 6px;
}

.rt-tflow-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: #1A2332;
  margin-bottom: 4px;
  line-height: 1.35;
}

.rt-tension-flow-alert .rt-tflow-title {
  color: #9E2B1E;
}

.rt-tension-flow-harmony .rt-tflow-title {
  color: #1B4D36;
}

.rt-tflow-desc {
  font-size: 0.75rem;
  color: #6E7570;
  margin: 0;
  line-height: 1.4;
}

.rt-tflow-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  flex: 0 0 auto;
}

.rt-tflow-arrow {
  font-size: 1.125rem;
  font-weight: bold;
}

.rt-tension-flow-alert .rt-tflow-arrow {
  color: #C0392B;
}

.rt-tension-flow-harmony .rt-tflow-arrow {
  color: #1B4D36;
}

.rt-tflow-action {
  font-size: 0.625rem;
  font-weight: 700;
  color: #8C95A3;
  white-space: nowrap;
}

@media (max-width: 640px) {
  .rt-tension-flow {
    flex-direction: column;
    gap: 8px;
    padding: 14px 10px;
  }
  .rt-tflow-step {
    width: 100%;
    padding: 12px 10px;
  }
  .rt-tflow-connector {
    flex-direction: row;
    gap: 6px;
    padding: 2px 0;
  }
  .rt-tflow-arrow {
    transform: rotate(90deg);
  }
}