/* ===========================================
   BCP LP — 断水対策・非常用水源
   - 既存デザインシステム（tokens / layout / waves）に完全準拠
   - このファイル単体で完結（csr.css 等に依存しない）
   =========================================== */

/* ============================================================
   共通ユーティリティ（他CSSに依存しないよう本ファイルで定義）
   ============================================================ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 背景ブロブの浮遊 */
@keyframes bcpBlobFloat {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-30px, 25px); }
}

/* アイコンの微細な浮遊 */
@keyframes bcpIconFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-3px) rotate(1deg); }
  66% { transform: translateY(-1px) rotate(-1deg); }
}

/* 番号バッジの脈動リング */
@keyframes bcpPulse {
  0% { transform: scale(1); opacity: 0.85; }
  70% { opacity: 0; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* 注記マーク */
.bcp-mark {
  display: inline-block;
  font-size: 0.55em;
  font-weight: 700;
  color: var(--color-accent-sky);
  margin-left: 1px;
  vertical-align: super;
  line-height: 1;
}

/* 単独注記 */
.bcp-note {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  max-width: 880px;
  margin: var(--space-4) auto 0;
  padding: 0.875rem 1rem;
  background: linear-gradient(135deg, rgba(245, 250, 252, 0.7) 0%, rgba(255, 255, 255, 0.5) 100%);
  border: 1px solid rgba(0, 99, 138, 0.10);
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--color-text-sub);
}

.bcp-note strong { color: var(--color-text); font-weight: 700; }

.bcp-note__mark {
  flex-shrink: 0;
  font-weight: 800;
  color: var(--color-accent-sky);
  font-size: 0.875rem;
  line-height: 1.55;
}

@media (min-width: 768px) {
  .bcp-note { font-size: 0.875rem; }
}

/* 複数項目の注記リスト */
.bcp-note-list {
  list-style: none;
  margin: var(--space-3) auto 0;
  padding: var(--space-3);
  max-width: 880px;
  background: linear-gradient(135deg, rgba(245, 250, 252, 0.7) 0%, rgba(255, 255, 255, 0.6) 100%);
  border: 1px solid rgba(0, 99, 138, 0.10);
  border-radius: var(--radius-md);
}

.bcp-note-list__item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--color-text-sub);
  padding: 0.25rem 0;
}

.bcp-note-list__item + .bcp-note-list__item {
  border-top: 1px dashed rgba(0, 99, 138, 0.10);
  margin-top: 0.5rem;
  padding-top: 0.75rem;
}

.bcp-note-list__item strong { color: var(--color-text); font-weight: 700; }

.bcp-note-list__mark {
  flex-shrink: 0;
  min-width: 1.4em;
  font-weight: 800;
  color: var(--color-accent-sky);
  font-size: 0.875rem;
  line-height: 1.55;
}

@media (min-width: 768px) {
  .bcp-note-list { padding: var(--space-4); }
  .bcp-note-list__item { font-size: 0.875rem; }
}

/* ============================================================
   Hero（BCP バリアント）
   ============================================================ */
/* 警告トーンのキッカー：CSR版のライム/スカイに対し、
   BCPは「危機」を伝えるため深いブルーの縦罫で引き締める */
.hero__kicker--alert {
  border-left-color: #00638A;
  background-color: rgba(255, 255, 255, 0.80);
}

.hero--bcp .hero__bg-gradient {
  background:
    radial-gradient(ellipse 90% 70% at 75% 25%, rgba(0, 99, 138, 0.20) 0%, transparent 65%),
    radial-gradient(ellipse 70% 60% at 95% 75%, rgba(0, 61, 84, 0.16) 0%, transparent 65%),
    radial-gradient(ellipse 60% 50% at 5% 90%, rgba(34, 190, 240, 0.12) 0%, transparent 65%),
    linear-gradient(165deg, rgba(240, 250, 253, 0.58) 0%, rgba(248, 252, 253, 0.48) 45%, rgba(255, 255, 255, 0.58) 100%);
}

/* ============================================================
   RISK — 断水リスクの現実
   ============================================================ */
.bcp-risk {
  background-color: var(--color-base);
  position: relative;
  overflow-x: clip;
}

.bcp-risk::before {
  content: '';
  position: absolute;
  top: 12%;
  right: -8%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 99, 138, 0.09) 0%, transparent 70%);
  filter: blur(50px);
  pointer-events: none;
  z-index: 0;
  animation: bcpBlobFloat 26s ease-in-out infinite;
}

.bcp-risk > .container { position: relative; z-index: 1; }

.bcp-risk__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin: var(--space-5) 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 768px) {
  .bcp-risk__cards { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
  .bcp-risk__cards { gap: var(--space-4); margin-top: var(--space-6); }
}

.bcp-risk__card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--space-5) var(--space-4) var(--space-4);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.97) 0%, rgba(245, 250, 252, 0.94) 100%);
  border: 1px solid rgba(0, 99, 138, 0.16);
  border-top: 3px solid rgba(0, 99, 138, 0.45);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 18px rgba(0, 99, 138, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.95);
  transition: transform 0.5s var(--ease-out), box-shadow 0.5s var(--ease-out), border-color 0.3s var(--ease-out);
  overflow: hidden;
}

.bcp-risk__card::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 170px;
  height: 170px;
  background: radial-gradient(circle, rgba(0, 99, 138, 0.16) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0.6;
  transition: transform 0.6s var(--ease-out), opacity 0.4s var(--ease-out);
}

.bcp-risk__card:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 56px rgba(0, 99, 138, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.98);
  border-color: rgba(0, 99, 138, 0.35);
}

.bcp-risk__card:hover::before { transform: scale(1.6); opacity: 1; }

.bcp-risk__card--featured {
  border-top-color: var(--color-accent-lime);
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(179, 210, 53, 0.16) 0%, transparent 70%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 252, 236, 0.95) 100%);
}

.bcp-risk__card--featured::before {
  background: radial-gradient(circle, rgba(179, 210, 53, 0.24) 0%, transparent 70%);
}

.bcp-risk__year {
  position: relative;
  z-index: 1;
  display: inline-block;
  align-self: flex-start;
  padding: 0.2rem 0.7rem;
  margin-bottom: var(--space-2);
  background: rgba(0, 99, 138, 0.10);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.10em;
  border-radius: var(--radius-pill);
}

.bcp-risk__card--featured .bcp-risk__year { background: rgba(179, 210, 53, 0.28); }

.bcp-risk__name {
  position: relative;
  z-index: 1;
  font-family: var(--font-heading);
  font-size: clamp(1.125rem, 2.4vw, 1.375rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin: 0 0 var(--space-2);
  line-height: 1.35;
}

.bcp-risk__figure {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.25rem 0.375rem;
  margin: 0 0 var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px dashed rgba(0, 99, 138, 0.18);
}

.bcp-risk__figure strong {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.375rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--color-text);
}

.bcp-risk__figure span {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-sub);
}

.bcp-risk__text {
  position: relative;
  z-index: 1;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--color-text-sub);
  margin: 0;
}

.bcp-risk__text strong { color: var(--color-text); font-weight: 700; }

/* ============================================================
   LIMIT — 備蓄 vs 生成 の比較
   ============================================================ */
.bcp-limit {
  background-color: var(--color-bg-soft);
  position: relative;
  overflow-x: clip;
}

.bcp-limit::before {
  content: '';
  position: absolute;
  bottom: 10%;
  left: -8%;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 190, 240, 0.12) 0%, transparent 70%);
  filter: blur(50px);
  pointer-events: none;
  z-index: 0;
  animation: bcpBlobFloat 30s ease-in-out infinite -8s;
}

.bcp-limit > .container { position: relative; z-index: 1; }

/* 横スクロール案内 */
.bcp-limit__hint,
.bcp-spec__hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  margin: 0 auto var(--space-2);
  padding: 0.45rem 0.875rem;
  width: fit-content;
  max-width: 100%;
  background: linear-gradient(135deg, rgba(34, 190, 240, 0.12) 0%, rgba(34, 190, 240, 0.20) 100%);
  border: 1px solid rgba(34, 190, 240, 0.40);
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: clamp(0.6875rem, 2.4vw, 0.8125rem);
  line-height: 1.4;
  color: var(--color-text);
  box-shadow: 0 2px 8px rgba(34, 190, 240, 0.10);
  white-space: nowrap;
}

.bcp-limit__hint svg,
.bcp-spec__hint svg { flex-shrink: 0; color: var(--color-accent-sky); }

.bcp-limit__hint strong,
.bcp-spec__hint strong { font-weight: 700; color: var(--color-text); }

@media (min-width: 1024px) {
  .bcp-limit__hint,
  .bcp-spec__hint { display: none; }
}

/* スクロールラッパー */
.bcp-limit__scroll,
.bcp-spec__scroll {
  position: relative;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 calc(var(--space-3) * -1);
  padding: 0 var(--space-3) var(--space-2);
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent-sky) transparent;
}

.bcp-limit__scroll:focus-visible,
.bcp-spec__scroll:focus-visible {
  outline: 2px solid var(--color-accent-sky);
  outline-offset: 4px;
  border-radius: var(--radius-md);
}

.bcp-limit__scroll::-webkit-scrollbar,
.bcp-spec__scroll::-webkit-scrollbar { height: 8px; }
.bcp-limit__scroll::-webkit-scrollbar-track,
.bcp-spec__scroll::-webkit-scrollbar-track { background: rgba(0, 99, 138, 0.05); border-radius: 4px; }
.bcp-limit__scroll::-webkit-scrollbar-thumb,
.bcp-spec__scroll::-webkit-scrollbar-thumb { background: rgba(34, 190, 240, 0.45); border-radius: 4px; }

@media (min-width: 1024px) {
  .bcp-limit__scroll,
  .bcp-spec__scroll { margin: 0; padding: 0; overflow-x: visible; }
}

/* テーブル共通 */
.bcp-limit__table,
.bcp-spec__table {
  width: 100%;
  min-width: 640px;
  border-collapse: separate;
  border-spacing: 0;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.75);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 28px rgba(0, 99, 138, 0.07);
}

.bcp-spec__table { min-width: 720px; }

@media (min-width: 1024px) {
  .bcp-limit__table,
  .bcp-spec__table { min-width: 0; font-size: 0.9375rem; }
}

.bcp-limit__table th,
.bcp-limit__table td,
.bcp-spec__table th,
.bcp-spec__table td {
  padding: 0.875rem;
  vertical-align: middle;
  text-align: center;
  border-bottom: 1px solid rgba(0, 99, 138, 0.10);
}

@media (min-width: 1024px) {
  .bcp-limit__table th,
  .bcp-limit__table td,
  .bcp-spec__table th,
  .bcp-spec__table td { padding: 1rem; }
}

.bcp-limit__table tbody tr:last-child th,
.bcp-limit__table tbody tr:last-child td,
.bcp-spec__table tbody tr:last-child th,
.bcp-spec__table tbody tr:last-child td { border-bottom: none; }

.bcp-limit__table thead th,
.bcp-spec__table thead th {
  background: linear-gradient(180deg, rgba(0, 99, 138, 0.10) 0%, rgba(0, 99, 138, 0.04) 100%);
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--color-text);
  border-bottom: 2px solid rgba(0, 99, 138, 0.18);
}

@media (min-width: 1024px) {
  .bcp-limit__table thead th,
  .bcp-spec__table thead th { font-size: 1rem; }
}

/* 左列（項目名）を固定 */
.bcp-limit__th-item,
.bcp-limit__table tbody th[scope="row"],
.bcp-spec__table tbody th[scope="row"] {
  text-align: left;
  background: rgba(245, 250, 252, 0.92);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-text-sub);
  border-right: 1px solid rgba(0, 99, 138, 0.10);
  white-space: nowrap;
  position: sticky;
  left: 0;
  z-index: 2;
}

.bcp-limit__table thead .bcp-limit__th-item { z-index: 3; }

.bcp-spec__table tbody th[scope="row"] {
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--color-text);
  font-size: 0.875rem;
}

@media (min-width: 1024px) {
  .bcp-limit__table tbody th[scope="row"] { font-size: 0.875rem; }
}

/* AirElixir 列の強調 */
.bcp-limit__th--featured {
  background: linear-gradient(180deg, rgba(179, 210, 53, 0.24) 0%, rgba(179, 210, 53, 0.10) 100%) !important;
  position: relative;
}

.bcp-limit__th-badge {
  display: inline-block;
  margin-left: 0.4rem;
  padding: 0.15rem 0.45rem;
  background: linear-gradient(135deg, var(--color-accent-lime) 0%, var(--color-accent-lime-hover) 100%);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  border-radius: var(--radius-pill);
  vertical-align: middle;
  box-shadow: 0 2px 6px rgba(179, 210, 53, 0.35);
  white-space: nowrap;
}

.bcp-limit__td--featured {
  background: rgba(179, 210, 53, 0.10);
  font-weight: 600;
}

.bcp-limit__td--featured strong { color: var(--color-text); font-weight: 800; }

/* 数値強調（機種表） */
.bcp-spec__table td strong {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--color-accent-sky);
}

.bcp-spec__row--featured { background: rgba(179, 210, 53, 0.10); }
.bcp-spec__row--featured td strong { color: var(--color-text); }

.bcp-spec__badge {
  display: inline-block;
  margin-left: 0.4rem;
  padding: 0.12rem 0.45rem;
  background: linear-gradient(135deg, var(--color-accent-lime) 0%, var(--color-accent-lime-hover) 100%);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 0.625rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  vertical-align: middle;
  white-space: nowrap;
}

.bcp-limit__table tbody tr,
.bcp-spec__table tbody tr { transition: background 0.25s var(--ease-out); }

.bcp-limit__table tbody tr:hover,
.bcp-spec__table tbody tr:hover { background: rgba(34, 190, 240, 0.05); }

/* 結論 */
.bcp-limit__conclusion {
  margin: var(--space-4) auto 0;
  max-width: 720px;
  padding: var(--space-4);
  text-align: center;
  font-size: clamp(0.9375rem, 2vw, 1.125rem);
  line-height: 1.9;
  color: var(--color-text);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.92) 0%, rgba(240, 250, 254, 0.88) 100%);
  border: 1.5px solid rgba(34, 190, 240, 0.35);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 30px rgba(0, 99, 138, 0.08);
}

.bcp-limit__conclusion strong {
  font-weight: 800;
  background: linear-gradient(135deg, #22BEF0 0%, #00638A 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ============================================================
   WHY — BCPに効く3つの理由
   ============================================================ */
.bcp-why {
  background-color: var(--color-base);
  position: relative;
  overflow-x: clip;
}

.bcp-why::before {
  content: '';
  position: absolute;
  top: 10%;
  left: -6%;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(179, 210, 53, 0.13) 0%, transparent 70%);
  filter: blur(48px);
  pointer-events: none;
  z-index: 0;
  animation: bcpBlobFloat 24s ease-in-out infinite;
}

.bcp-why::after {
  content: '';
  position: absolute;
  bottom: 12%;
  right: -6%;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 190, 240, 0.11) 0%, transparent 70%);
  filter: blur(48px);
  pointer-events: none;
  z-index: 0;
  animation: bcpBlobFloat 30s ease-in-out infinite -6s;
}

.bcp-why > .container { position: relative; z-index: 1; }

.bcp-why__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin: var(--space-5) 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 768px) {
  .bcp-why__cards { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
  .bcp-why__cards { gap: var(--space-4); margin-top: var(--space-6); align-items: stretch; }
}

.bcp-why__card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--space-5) var(--space-4) var(--space-4);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.96) 0%, rgba(245, 250, 252, 0.92) 100%);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(34, 190, 240, 0.22);
  box-shadow: 0 4px 18px rgba(0, 99, 138, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.95);
  transition: transform 0.5s var(--ease-out), box-shadow 0.5s var(--ease-out), border-color 0.3s var(--ease-out);
  overflow: hidden;
}

.bcp-why__card::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 160px;
  height: 160px;
  background: radial-gradient(circle, rgba(34, 190, 240, 0.22) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0.6;
  transition: transform 0.6s var(--ease-out), opacity 0.4s var(--ease-out);
}

.bcp-why__card:hover {
  transform: translateY(-8px);
  box-shadow: 0 28px 56px rgba(0, 99, 138, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.98);
  border-color: rgba(34, 190, 240, 0.5);
}

.bcp-why__card:hover::before { transform: scale(1.6); opacity: 1; }

.bcp-why__card--featured {
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(179, 210, 53, 0.18) 0%, transparent 70%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 252, 236, 0.95) 100%);
  border-color: rgba(179, 210, 53, 0.50);
  box-shadow: 0 0 28px rgba(179, 210, 53, 0.20), 0 12px 32px rgba(0, 99, 138, 0.10), inset 0 1px 0 rgba(255, 255, 255, 0.98);
}

.bcp-why__card--featured::before { background: radial-gradient(circle, rgba(179, 210, 53, 0.28) 0%, transparent 70%); }

@media (min-width: 1024px) {
  .bcp-why__card--featured { transform: translateY(-10px); }
  .bcp-why__card--featured:hover { transform: translateY(-16px); }
}

.bcp-why__icon {
  position: relative;
  z-index: 1;
  width: 68px;
  height: 68px;
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(34, 190, 240, 0.18) 0%, rgba(0, 99, 138, 0.10) 100%);
  border-radius: 20px;
  color: var(--color-text);
  box-shadow: 0 6px 16px rgba(34, 190, 240, 0.12);
  animation: bcpIconFloat 6s ease-in-out infinite;
  transition: transform 0.5s var(--ease-out), background 0.3s var(--ease-out), box-shadow 0.4s var(--ease-out);
}

.bcp-why__card:nth-child(2) .bcp-why__icon { animation-delay: -2s; }
.bcp-why__card:nth-child(3) .bcp-why__icon { animation-delay: -4s; }

.bcp-why__card--featured .bcp-why__icon {
  background: linear-gradient(135deg, rgba(179, 210, 53, 0.26) 0%, rgba(34, 190, 240, 0.14) 100%);
  box-shadow: 0 6px 16px rgba(179, 210, 53, 0.20);
}

.bcp-why__card:hover .bcp-why__icon {
  transform: scale(1.08) rotate(-4deg);
  box-shadow: 0 12px 28px rgba(34, 190, 240, 0.25);
}

.bcp-why__icon svg {
  width: 40px;
  height: 40px;
  stroke: var(--color-text);
  transition: stroke 0.3s var(--ease-out);
}

.bcp-why__card:hover .bcp-why__icon svg { stroke: var(--color-accent-sky); }
.bcp-why__card--featured:hover .bcp-why__icon svg { stroke: var(--color-accent-lime-hover); }

.bcp-why__num {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00638A 0%, #007AAB 100%);
  color: var(--color-base);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(0, 99, 138, 0.30), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  z-index: 3;
}

.bcp-why__card--featured .bcp-why__num {
  background: linear-gradient(135deg, var(--color-accent-lime) 0%, var(--color-accent-lime-hover) 100%);
  color: var(--color-text);
  box-shadow: 0 4px 12px rgba(179, 210, 53, 0.40), inset 0 1px 0 rgba(255, 255, 255, 0.50);
}

.bcp-why__num::before {
  content: '';
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 2px solid rgba(34, 190, 240, 0.45);
  animation: bcpPulse 2.6s ease-out infinite;
  pointer-events: none;
}

.bcp-why__card--featured .bcp-why__num::before { border-color: rgba(179, 210, 53, 0.55); }
.bcp-why__card:nth-child(2) .bcp-why__num::before { animation-delay: -0.9s; }
.bcp-why__card:nth-child(3) .bcp-why__num::before { animation-delay: -1.7s; }

.bcp-why__title {
  position: relative;
  z-index: 1;
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2.6vw, 1.5rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin: 0 0 0.625rem;
  line-height: 1.4;
}

.bcp-why__text {
  position: relative;
  z-index: 1;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--color-text-sub);
  margin: 0;
}

.bcp-why__text strong { color: var(--color-text); font-weight: 700; }

.bcp-why__cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

@media (min-width: 768px) {
  .bcp-why__cta { margin-top: var(--space-8); }
}

/* ============================================================
   SCENE — 導入シーン
   ============================================================ */
.bcp-scene {
  background-color: var(--color-bg-soft);
  position: relative;
  overflow-x: clip;
}

.bcp-scene::before {
  content: '';
  position: absolute;
  top: 14%;
  right: -8%;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 190, 240, 0.11) 0%, transparent 70%);
  filter: blur(50px);
  pointer-events: none;
  z-index: 0;
  animation: bcpBlobFloat 28s ease-in-out infinite -4s;
}

.bcp-scene > .container { position: relative; z-index: 1; }

.bcp-scene__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin: var(--space-5) 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 640px) {
  .bcp-scene__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .bcp-scene__grid { grid-template-columns: repeat(4, 1fr); gap: var(--space-3); margin-top: var(--space-6); }
}

.bcp-scene__item {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--space-4);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.96) 0%, rgba(245, 250, 252, 0.92) 100%);
  border-radius: var(--radius-md);
  border: 1px solid rgba(34, 190, 240, 0.18);
  box-shadow: 0 4px 14px rgba(0, 99, 138, 0.05), inset 0 1px 0 rgba(255, 255, 255, 0.95);
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out), border-color 0.3s var(--ease-out);
  overflow: hidden;
}

.bcp-scene__item::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(34, 190, 240, 0.18) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0.55;
  transition: transform 0.5s var(--ease-out), opacity 0.4s var(--ease-out);
}

.bcp-scene__item:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 99, 138, 0.14), inset 0 1px 0 rgba(255, 255, 255, 0.98);
  border-color: rgba(34, 190, 240, 0.45);
}

.bcp-scene__item:hover::before { transform: scale(1.6); opacity: 0.95; }

.bcp-scene__icon {
  position: relative;
  z-index: 1;
  width: 52px;
  height: 52px;
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(34, 190, 240, 0.16) 0%, rgba(0, 99, 138, 0.08) 100%);
  border-radius: 14px;
  color: var(--color-text);
  box-shadow: 0 4px 12px rgba(34, 190, 240, 0.10);
  animation: bcpIconFloat 7s ease-in-out infinite;
  transition: transform 0.4s var(--ease-out), background 0.3s var(--ease-out);
}

.bcp-scene__item:nth-child(2) .bcp-scene__icon { animation-delay: -1.75s; }
.bcp-scene__item:nth-child(3) .bcp-scene__icon { animation-delay: -3.5s; }
.bcp-scene__item:nth-child(4) .bcp-scene__icon { animation-delay: -5.25s; }

.bcp-scene__item:hover .bcp-scene__icon { transform: scale(1.1) rotate(-3deg); }

.bcp-scene__icon svg {
  width: 30px;
  height: 30px;
  stroke: var(--color-text);
  transition: stroke 0.3s var(--ease-out);
}

.bcp-scene__item:hover .bcp-scene__icon svg { stroke: var(--color-accent-sky); }

.bcp-scene__title {
  position: relative;
  z-index: 1;
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin: 0 0 0.5rem;
  line-height: 1.4;
}

.bcp-scene__text {
  position: relative;
  z-index: 1;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--color-text-sub);
  margin: 0;
}

/* ============================================================
   SPEC — 規模別モデル選定
   ============================================================ */
.bcp-spec {
  background-color: var(--color-base);
  position: relative;
  overflow-x: clip;
}

.bcp-spec::before {
  content: '';
  position: absolute;
  top: 8%;
  left: -10%;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 99, 138, 0.07) 0%, transparent 70%);
  filter: blur(56px);
  pointer-events: none;
  z-index: 0;
  animation: bcpBlobFloat 32s ease-in-out infinite;
}

.bcp-spec > .container { position: relative; z-index: 1; }

/* ============================================================
   FLOW — 導入の流れ
   ============================================================ */
.bcp-flow {
  background-color: var(--color-bg-soft);
  position: relative;
  overflow-x: clip;
}

.bcp-flow::before {
  content: '';
  position: absolute;
  bottom: 8%;
  right: -8%;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(179, 210, 53, 0.10) 0%, transparent 70%);
  filter: blur(50px);
  pointer-events: none;
  z-index: 0;
  animation: bcpBlobFloat 26s ease-in-out infinite -10s;
}

.bcp-flow > .container { position: relative; z-index: 1; }

.bcp-flow__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin: var(--space-5) 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 640px) {
  .bcp-flow__steps { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .bcp-flow__steps { grid-template-columns: repeat(4, 1fr); gap: var(--space-4); margin-top: var(--space-6); }
}

.bcp-flow__step {
  position: relative;
  padding: var(--space-5) var(--space-4) var(--space-4);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.96) 0%, rgba(245, 250, 252, 0.92) 100%);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(34, 190, 240, 0.20);
  box-shadow: 0 4px 18px rgba(0, 99, 138, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.95);
  transition: transform 0.5s var(--ease-out), box-shadow 0.5s var(--ease-out), border-color 0.3s var(--ease-out);
  overflow: hidden;
}

.bcp-flow__step::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(34, 190, 240, 0.20) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0.5;
  transition: transform 0.6s var(--ease-out), opacity 0.4s var(--ease-out);
}

.bcp-flow__step:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 48px rgba(0, 99, 138, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.98);
  border-color: rgba(34, 190, 240, 0.45);
}

.bcp-flow__step:hover::before { transform: scale(1.6); opacity: 1; }

/* デスクトップ：ステップ間のフローライン（既存CSRセクションと同意匠） */
@media (min-width: 1024px) {
  .bcp-flow__steps .bcp-flow__step::after {
    content: '';
    position: absolute;
    top: 44px;
    right: -20px;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, rgba(34, 190, 240, 0.55) 0%, rgba(34, 190, 240, 0.10) 100%);
    border-radius: 2px;
    z-index: 2;
  }
  .bcp-flow__steps .bcp-flow__step:last-child::after {
    background: linear-gradient(90deg, rgba(34, 190, 240, 0.55) 0%, rgba(34, 190, 240, 0) 100%);
  }
}

.bcp-flow__num {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: var(--space-2);
  border-radius: 50%;
  background: linear-gradient(135deg, #00638A 0%, #007AAB 100%);
  color: var(--color-base);
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(0, 99, 138, 0.30), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.bcp-flow__num::before {
  content: '';
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 2px solid rgba(34, 190, 240, 0.45);
  animation: bcpPulse 2.6s ease-out infinite;
  pointer-events: none;
}

.bcp-flow__step:nth-child(2) .bcp-flow__num::before { animation-delay: -0.7s; }
.bcp-flow__step:nth-child(3) .bcp-flow__num::before { animation-delay: -1.4s; }
.bcp-flow__step:nth-child(4) .bcp-flow__num::before { animation-delay: -2.1s; }

.bcp-flow__title {
  position: relative;
  z-index: 1;
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin: 0 0 0.5rem;
  line-height: 1.4;
}

@media (min-width: 768px) {
  .bcp-flow__title { font-size: 1.125rem; }
}

.bcp-flow__text {
  position: relative;
  z-index: 1;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--color-text-sub);
  margin: 0;
}

/* ============================================================
   FAQ
   ============================================================ */
.bcp-faq {
  background-color: var(--color-base);
  position: relative;
  overflow-x: clip;
}

.bcp-faq > .container { position: relative; z-index: 1; }

.bcp-faq__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

@media (min-width: 768px) {
  .bcp-faq__list { margin-top: var(--space-5); }
}

.bcp-faq__item {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.96) 0%, rgba(245, 250, 252, 0.92) 100%);
  border: 1px solid rgba(34, 190, 240, 0.20);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 14px rgba(0, 99, 138, 0.05);
  overflow: hidden;
  transition: border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.bcp-faq__item[open] {
  border-color: rgba(34, 190, 240, 0.45);
  box-shadow: 0 10px 28px rgba(0, 99, 138, 0.10);
}

.bcp-faq__q {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: var(--space-3);
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  transition: background 0.25s var(--ease-out);
}

.bcp-faq__q::-webkit-details-marker { display: none; }

.bcp-faq__q:hover { background: rgba(34, 190, 240, 0.05); }

.bcp-faq__q:focus-visible {
  outline: 2px solid var(--color-accent-sky);
  outline-offset: -2px;
}

/* Q マーク */
.bcp-faq__q::before {
  content: 'Q';
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00638A 0%, #007AAB 100%);
  color: var(--color-base);
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 800;
  line-height: 1;
}

/* 開閉インジケータ */
.bcp-faq__q::after {
  content: '';
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  margin-left: auto;
  margin-top: 8px;
  border-right: 2px solid var(--color-accent-sky);
  border-bottom: 2px solid var(--color-accent-sky);
  transform: rotate(45deg);
  transition: transform 0.3s var(--ease-out);
}

.bcp-faq__item[open] .bcp-faq__q::after { transform: rotate(-135deg); }

@media (min-width: 768px) {
  .bcp-faq__q { font-size: 1rem; padding: var(--space-3) var(--space-4); }
}

.bcp-faq__a {
  padding: 0 var(--space-3) var(--space-3);
  border-top: 1px dashed rgba(0, 99, 138, 0.14);
  margin-top: -1px;
}

.bcp-faq__a p {
  margin: var(--space-2) 0 0;
  padding-left: calc(26px + 0.75rem);
  font-size: 0.875rem;
  line-height: 1.9;
  color: var(--color-text-sub);
}

.bcp-faq__a strong { color: var(--color-text); font-weight: 700; }

@media (min-width: 768px) {
  .bcp-faq__a { padding: 0 var(--space-4) var(--space-4); }
  .bcp-faq__a p { font-size: 0.9375rem; }
}

/* ============================================================
   Reduced Motion — アニメーション停止
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .bcp-risk::before,
  .bcp-limit::before,
  .bcp-why::before,
  .bcp-why::after,
  .bcp-scene::before,
  .bcp-spec::before,
  .bcp-flow::before,
  .bcp-why__icon,
  .bcp-scene__icon,
  .bcp-why__num::before,
  .bcp-flow__num::before {
    animation: none !important;
  }
}