/* ===================================================
   maintenance.css — ビルメンテナンスページ専用スタイル
   サブページ共通要素（.sub-bg-text / .sub-section-heading / .sub-faq）は
   common.css に移動済み。
   =================================================== */

/* セクション直下要素を絶対配置の sub-bg-text のために relative に */
.mnt-hero,
.mnt-concept,
.mnt-pillars,
.mnt-scope,
.mnt-property,
.mnt-onestop,
.mnt-why,
.mnt-flow,
.mnt-response,
.mnt-cta {
  position: relative;
}

/* セクション内の数字（__num）をセリフ統一 */
.mnt-hero [class*="__num"],
.mnt-concept [class*="__num"],
.mnt-pillars [class*="__num"],
.mnt-scope [class*="__num"],
.mnt-property [class*="__num"],
.mnt-onestop [class*="__num"],
.mnt-why [class*="__num"],
.mnt-flow [class*="__num"],
.mnt-response [class*="__num"] {
  font-family: "Shippori Mincho", serif !important;
}

/* ========== 1. HERO ========== */
.mnt-hero {
  position: relative;
  min-height: 420px;
  padding: 80px 0 80px;
  overflow: hidden;
  color: #fff;
}
.mnt-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.mnt-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(19,45,127,0.85) 0%, rgba(29,69,164,0.75) 100%);
  z-index: 1;
}
.mnt-hero__container {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}
.mnt-hero__eyebrow {
  font-family: "Shippori Mincho", serif;
  font-size: 0.875rem;
  letter-spacing: 0.3em;
  color: var(--rc-gold);
  margin: 0 0 16px;
  font-weight: 500;
}
.mnt-hero__title {
  font-family: "Shippori Mincho", serif;
  font-size: clamp(2rem, 5vw, 3.75rem);
  font-weight: 600;
  margin: 0 0 16px;
  letter-spacing: 0.02em;
}
.mnt-hero__sub {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 1.125rem;
  font-weight: 500;
  margin: 0 0 24px;
  color: var(--rc-gold);
}
.mnt-hero__lead {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.9375rem;
  line-height: 1.9;
  max-width: 640px;
  margin: 0;
  opacity: 0.95;
}

/* ========== 2. CONCEPT ========== */
.mnt-concept {
  padding: 140px 0 120px;
  background: #fff;
  overflow: hidden;
}
.mnt-concept .sub-bg-text {
  top: 40px;
  left: 40px;
  color: rgba(19, 45, 127, 0.08);
}
.mnt-concept__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.mnt-concept__subheading {
  font-family: "Shippori Mincho", serif;
  font-size: clamp(1.75rem, 3.5vw, 2.625rem);
  font-weight: 500;
  color: var(--rc-navy);
  margin: 16px 0 28px;
  line-height: 1.6;
  letter-spacing: 0.06em;
}
.mnt-concept__lead {
  font-family: "Shippori Mincho", serif;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--rc-navy);
  margin: 0 0 20px;
  font-weight: 500;
}
.mnt-concept__body {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.875rem;
  line-height: 2;
  color: var(--coolgray-90);
  margin: 0;
}
.mnt-concept__right {
  position: relative;
}
.mnt-concept__right img {
  width: 100%;
  height: auto;
  display: block;
}
.mnt-concept__badge {
  position: absolute;
  right: -20px;
  bottom: -20px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: var(--rc-gold);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: 0 8px 24px rgba(203, 152, 49, 0.3);
}
.mnt-concept__badge-en {
  font-family: "Shippori Mincho", serif;
  font-size: 1.125rem;
  letter-spacing: 0.1em;
  font-weight: 600;
  margin-bottom: 6px;
}
.mnt-concept__badge-ja {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.625rem;
  line-height: 1.5;
  opacity: 0.95;
}

/* ========== 3. 3 PILLARS ========== */
.mnt-pillars {
  padding: 120px 0;
  background: #f5f6f9;
  overflow: hidden;
}
.mnt-pillars .sub-bg-text {
  top: 30px;
  right: -40px;
  left: auto;
}
.mnt-pillars__container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 40px;
  position: relative;
  z-index: 1;
}
.mnt-pillars__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: #e5e8ee;
  border: 1px solid #e5e8ee;
}
.mnt-pillar {
  background: #fff;
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
}
.mnt-pillar__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.mnt-pillar__num {
  font-family: "Shippori Mincho", serif;
  font-size: 2.25rem;
  font-weight: 500;
  color: var(--rc-gold);
  margin: 0;
  letter-spacing: 0.03em;
  line-height: 1;
}
.mnt-pillar__line {
  display: inline-block;
  width: 40px;
  height: 1px;
  background: var(--rc-gold);
}
.mnt-pillar__en {
  font-family: "Shippori Mincho", serif;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  color: var(--rc-gold);
  margin: 0 0 10px;
  font-weight: 500;
}
.mnt-pillar__title {
  font-family: "Shippori Mincho", serif;
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--rc-navy);
  margin: 0 0 20px;
  letter-spacing: 0.05em;
}
.mnt-pillar__meta {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr;
  gap: 4px 12px;
  margin: 0 0 20px;
  font-size: 0.8125rem;
}
.mnt-pillar__meta dt {
  font-family: "Noto Sans JP", sans-serif;
  color: var(--rc-gold);
  font-weight: 500;
}
.mnt-pillar__meta dd {
  font-family: "Noto Sans JP", sans-serif;
  color: var(--coolgray-90);
  margin: 0;
}
.mnt-pillar__desc {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.875rem;
  line-height: 2;
  color: var(--coolgray-90);
  margin: 0 0 28px;
  flex: 1;
}
.mnt-pillar__menu-label {
  font-family: "Shippori Mincho", serif;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  color: var(--rc-gold);
  margin: 0 0 12px;
  padding-top: 20px;
  border-top: 1px solid #e5e8ee;
  font-weight: 500;
}
.mnt-pillar__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.mnt-pillar__list li {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.8125rem;
  color: var(--coolgray-90);
  padding: 5px 0 5px 16px;
  position: relative;
}
.mnt-pillar__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 13px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--rc-gold);
}

/* ========== 4. SERVICE SCOPE ========== */
.mnt-scope {
  padding: 100px 0;
  background: #fff;
}
.mnt-scope {
  overflow: hidden;
}
.mnt-scope .sub-bg-text {
  top: 40px;
  right: 20px;
  left: auto;
}
.mnt-scope__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  position: relative;
  z-index: 1;
}
.mnt-scope .sub-section-heading {
  align-items: center;
  margin-bottom: 56px;
}
.mnt-scope__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  margin-top: 32px;
}
.mnt-scope__col {
  padding: 32px 0 0;
  border-top: 2px solid var(--rc-navy);
}
.mnt-scope__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}
.mnt-scope__num {
  font-family: "Shippori Mincho", serif;
  font-size: 1.875rem;
  font-weight: 500;
  color: var(--rc-navy);
  letter-spacing: 0.03em;
  line-height: 1;
}
.mnt-scope__en {
  font-family: "Shippori Mincho", serif;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--rc-gold);
  font-weight: 500;
}
.mnt-scope__title {
  font-family: "Shippori Mincho", serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--rc-navy);
  margin: 0 0 12px;
  letter-spacing: 0.05em;
}
.mnt-scope__meta {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.75rem;
  color: var(--coolgray-60);
  margin: 0 0 20px;
  letter-spacing: 0.05em;
}
.mnt-scope__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.mnt-scope__list li {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.875rem;
  color: var(--coolgray-90);
  padding: 14px 0 14px 18px;
  position: relative;
  border-bottom: 1px solid #e5e8ee;
}
.mnt-scope__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--rc-gold);
}

/* ========== 5. FOR YOUR PROPERTY ========== */
.mnt-property {
  padding: 100px 0;
  background: linear-gradient(180deg, #eef1f8 0%, #f7f8fb 100%);
}
.mnt-property {
  overflow: hidden;
}
.mnt-property .sub-bg-text {
  top: 30px;
  left: 20px;
}
.mnt-property__container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
  position: relative;
  z-index: 1;
}
.mnt-property .sub-section-heading {
  align-items: center;
  margin-bottom: 32px;
}
.mnt-property__lead {
  text-align: center;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.9375rem;
  color: var(--coolgray-90);
  margin: 0 0 40px;
}
.mnt-property__table {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: #d8dde7;
}
.mnt-property__row {
  display: grid;
  grid-template-columns: 160px 160px 1fr 240px;
  gap: 0 28px;
  align-items: center;
  padding: 0 32px 0 0;
  background: #fff;
}
.mnt-property__thumb {
  width: 160px;
  height: 100%;
  flex-shrink: 0;
  overflow: hidden;
}
.mnt-property__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.mnt-property__label {
  font-family: "Shippori Mincho", serif;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--rc-navy);
}
.mnt-property__desc {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.875rem;
  line-height: 1.9;
  color: var(--coolgray-90);
  padding: 24px 0;
}
.mnt-property__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}
.mnt-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--rc-navy);
  color: #fff;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

/* ========== 6. ONE-STOP ========== */
.mnt-onestop {
  padding: 100px 0;
  background: var(--rc-navy);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.mnt-onestop .sub-bg-text--light {
  top: 20px;
  left: 20px;
}
.mnt-onestop__container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
  position: relative;
  z-index: 1;
}
.mnt-onestop__heading {
  text-align: center;
  margin-bottom: 64px;
}
.mnt-onestop__label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: "Shippori Mincho", serif;
  font-size: 0.8125rem;
  letter-spacing: 0.25em;
  color: var(--rc-gold);
  margin: 0 0 16px;
  font-weight: 500;
}
.mnt-onestop__label .sub-section-heading__dash {
  background: var(--rc-gold);
}
.mnt-onestop__title {
  font-family: "Shippori Mincho", serif;
  font-size: clamp(1.875rem, 4vw, 2.75rem);
  margin: 0 0 20px;
  letter-spacing: 0.04em;
  font-weight: 500;
}
.mnt-onestop__lead {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.9375rem;
  line-height: 2;
  margin: 0;
  opacity: 0.95;
}
.mnt-onestop__diagram {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 280px 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 24px;
  align-items: center;
}
.mnt-onestop__item {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(245,224,110,0.3);
  padding: 24px 28px;
  backdrop-filter: blur(4px);
}
.mnt-onestop__item-label {
  font-family: "Shippori Mincho", serif;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  color: var(--rc-gold);
  margin: 0 0 8px;
  font-weight: 500;
}
.mnt-onestop__item-title {
  font-family: "Shippori Mincho", serif;
  font-size: 1.25rem;
  margin: 0 0 8px;
}
.mnt-onestop__item-desc {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.8125rem;
  line-height: 1.7;
  opacity: 0.85;
  margin: 0;
}
.mnt-onestop__item--tl { grid-column: 1; grid-row: 1; text-align: right; }
.mnt-onestop__item--tr { grid-column: 3; grid-row: 1; }
.mnt-onestop__item--bl { grid-column: 1; grid-row: 2; text-align: right; }
.mnt-onestop__item--br { grid-column: 3; grid-row: 2; }
.mnt-onestop__center {
  grid-column: 2;
  grid-row: 1 / 3;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--rc-gold) 0%, #e3ad4a 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  box-shadow: 0 16px 48px rgba(0,0,0,0.25);
  text-align: center;
}
.mnt-onestop__center-label {
  font-family: "Shippori Mincho", serif;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: #fff;
  margin-bottom: 8px;
  font-weight: 500;
}
.mnt-onestop__center-logo {
  width: 130px;
  height: auto;
  display: block;
  margin: 8px auto 2px;
}
.mnt-onestop__center-sub {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.75rem;
  color: #fff;
  opacity: 0.9;
  margin-top: 4px;
}

/* ========== 7. WHY RISE CROSS ========== */
.mnt-why {
  padding: 100px 0;
  background: #fff;
}
.mnt-why {
  overflow: hidden;
}
.mnt-why .sub-bg-text {
  top: 40px;
  right: -20px;
  left: auto;
}
.mnt-why__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  position: relative;
  z-index: 1;
}
.mnt-why__heading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-bottom: 64px;
  text-align: center;
}
.mnt-why__heading .sub-section-heading__label {
  justify-content: center;
}
.mnt-why__title {
  font-family: "Shippori Mincho", serif;
  font-size: clamp(1.625rem, 3.5vw, 2.25rem);
  color: var(--rc-navy);
  margin: 0;
  font-weight: 600;
  letter-spacing: 0.05em;
}
.mnt-why__block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 80px;
}
.mnt-why__block:last-child { margin-bottom: 0; }
.mnt-why__block--reverse .mnt-why__media { order: 2; }
.mnt-why__block--reverse .mnt-why__body { order: 1; }
.mnt-why__media img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
}
.mnt-why__num {
  font-family: "Shippori Mincho", serif;
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--rc-gold);
  margin: 0 0 8px;
  letter-spacing: 0.03em;
}
.mnt-why__block-title {
  font-family: "Shippori Mincho", serif;
  font-size: 1.875rem;
  font-weight: 500;
  color: var(--rc-navy);
  margin: 0 0 12px;
  letter-spacing: 0.05em;
}
.mnt-why__block-sub {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--rc-navy);
  margin: 0 0 20px;
}
.mnt-why__block-desc {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.9375rem;
  line-height: 2;
  color: var(--coolgray-90);
  margin: 0;
}

/* ========== 8. FLOW ========== */
.mnt-flow {
  padding: 100px 0;
  background: linear-gradient(180deg, #f7f8fb 0%, #eef1f8 100%);
}
.mnt-flow {
  overflow: hidden;
}
.mnt-flow .sub-bg-text {
  top: 40px;
  left: 20px;
}
.mnt-flow__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  position: relative;
  z-index: 1;
}
.mnt-flow .sub-section-heading {
  align-items: center;
  margin-bottom: 48px;
}
.mnt-flow__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  counter-reset: flow;
}
.mnt-flow__item {
  background: #fff;
  padding: 28px 20px;
  text-align: center;
  position: relative;
  border-top: 3px solid var(--rc-gold);
}
.mnt-flow__item:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -12px;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 8px solid var(--rc-gold);
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  z-index: 2;
}
.mnt-flow__num {
  font-family: "Shippori Mincho", serif;
  font-size: 1.375rem;
  font-weight: 500;
  color: var(--rc-gold);
  margin: 0 0 8px;
  letter-spacing: 0.03em;
}
.mnt-flow__label {
  font-family: "Shippori Mincho", serif;
  font-size: 1.0625rem;
  color: var(--rc-navy);
  font-weight: 600;
  margin: 0 0 8px;
}
.mnt-flow__desc {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--coolgray-60);
  margin: 0;
}

/* ========== 9. 24h RESPONSE ========== */
.mnt-response {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--rc-navy) 0%, var(--rc-navy-light) 100%);
  color: #fff;
}
.mnt-response {
  overflow: hidden;
}
.mnt-response .sub-bg-text--light {
  top: 30px;
  right: 20px;
  left: auto;
}
.mnt-response__container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
  position: relative;
  z-index: 1;
}
.mnt-response__heading {
  text-align: center;
  margin-bottom: 56px;
}
.mnt-response__label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: "Shippori Mincho", serif;
  font-size: 0.8125rem;
  letter-spacing: 0.25em;
  color: var(--rc-gold);
  margin: 0 0 16px;
  font-weight: 500;
}
.mnt-response__label .sub-section-heading__dash {
  background: var(--rc-gold);
}
.mnt-response__title {
  font-family: "Shippori Mincho", serif;
  font-size: clamp(1.875rem, 4vw, 2.75rem);
  margin: 0 0 16px;
  letter-spacing: 0.04em;
  font-weight: 500;
}
.mnt-response__lead {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.9375rem;
  line-height: 1.9;
  margin: 0;
  opacity: 0.9;
}
.mnt-response__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.mnt-response__step {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(245,224,110,0.35);
  padding: 28px 24px;
  text-align: center;
  position: relative;
}
.mnt-response__step:not(:last-child)::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: -16px;
  transform: translateY(-50%);
  color: var(--rc-gold);
  font-size: 1.25rem;
  font-weight: 700;
}
.mnt-response__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(203, 152, 49, 0.15);
  border: 1px solid rgba(203, 152, 49, 0.4);
  margin: 0 auto 16px;
  font-size: 1.375rem;
  color: var(--rc-gold);
}
.mnt-response__num {
  font-family: "Shippori Mincho", serif;
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--rc-gold);
  margin: 0 0 8px;
  letter-spacing: 0.03em;
}
.mnt-response__step-label {
  font-family: "Shippori Mincho", serif;
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 8px;
}
.mnt-response__step-desc {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.8125rem;
  line-height: 1.7;
  opacity: 0.9;
  margin: 0;
}

/* ========== 10. CASE STUDIES SPLIT SLIDER ========== */
.mnt-split-cases {
  position: relative;
  background: #f5f6f9;
  height: 100vh; /* 常に画面いっぱい */
  overflow: hidden;
  scroll-snap-align: start;   /* スナップ対象 */
  scroll-snap-stop: always;   /* 必ずここで止まる */
}

/* 背景大文字 */
.mnt-split-cases__bg-text {
  position: absolute;
  bottom: 20px;
  left: -10px;
  font-family: "Shippori Mincho", serif;
  font-size: clamp(6rem, 14vw, 13rem);
  font-weight: 600;
  color: rgba(19, 45, 127, 0.05);
  letter-spacing: 0.05em;
  line-height: 1;
  pointer-events: none;
  user-select: none;
  z-index: 0;
  white-space: nowrap;
}

/* インナー：sticky 廃止、セクション高さいっぱいに */
.mnt-split-cases__inner {
  height: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 80px 60px 0; /* 上80px = ヘッダー分 */
  box-sizing: border-box;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 72px;
  align-items: center;
  overflow: hidden;
}

/* ---- 左パネル ---- */
.mnt-split-cases__left {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  z-index: 1;
}
.mnt-split-cases__en {
  font-family: "Shippori Mincho", serif;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--rc-gold);
  font-weight: 500;
  margin: 0 0 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.mnt-split-cases__en::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--rc-gold);
}
.mnt-split-cases__title {
  font-family: "Shippori Mincho", serif;
  font-size: clamp(1.875rem, 3vw, 2.5rem);
  font-weight: 600;
  color: var(--rc-navy);
  margin: 0 0 20px;
  line-height: 1.5;
  letter-spacing: 0.04em;
}
.mnt-split-cases__lead {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.875rem;
  line-height: 1.9;
  color: var(--coolgray-60);
  margin: 0 0 28px;
}
.mnt-split-cases__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--rc-navy);
  text-decoration: none;
  border-bottom: 1px solid rgba(19,45,127,0.25);
  padding-bottom: 4px;
  margin-bottom: 40px;
  transition: gap 0.2s, color 0.2s, border-color 0.2s;
}
.mnt-split-cases__link svg { color: var(--rc-gold); }
.mnt-split-cases__link:hover { gap: 12px; color: var(--rc-gold); border-color: var(--rc-gold); }

/* ナビ：カウンター＋矢印 */
.mnt-sc-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}
.mnt-sc-nav__counter {
  font-family: "Shippori Mincho", serif;
  margin: 0;
  line-height: 1;
}
.mnt-sc-nav__current {
  font-size: 2rem;
  font-weight: 600;
  color: var(--rc-navy);
  letter-spacing: 0.05em;
}
.mnt-sc-nav__sep {
  font-size: 0.875rem;
  color: var(--coolgray-30);
  letter-spacing: 0.1em;
}
.mnt-sc-nav__arrows {
  display: flex;
  gap: 8px;
}
.mnt-sc-nav__btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid #dde1ec;
  background: #fff;
  color: var(--coolgray-60);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.25s, border-color 0.25s, color 0.25s, transform 0.2s;
}
.mnt-sc-nav__btn:hover {
  background: var(--rc-gold);
  border-color: var(--rc-gold);
  color: #fff;
  transform: scale(1.05);
}
.mnt-sc-nav__btn:disabled {
  opacity: 0.3;
  pointer-events: none;
}

/* ---- 右：スライダー本体 ---- */
.mnt-split-cases__right {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  cursor: grab;
  user-select: none; /* ドラッグ中テキスト選択を防ぐ */
}
.mnt-split-cases__right:active {
  cursor: grabbing;
}

/* トラック：transform で移動 */
.mnt-sc-track {
  display: flex;
  gap: 20px;
  transition: transform 0.8s cubic-bezier(0.76, 0, 0.24, 1);
  will-change: transform;
}

/* ---- カード ---- */
.mnt-sc-card {
  position: relative; /* ストレッチドリンク用 */
  width: calc(100% - 80px); /* 右80px = 次カードのぞき */
  flex-shrink: 0;
  display: flex;
  background: #fff;
  overflow: hidden;
  min-height: 460px;

  /* ------- Pattern B：小さく見えるパターン -------
     下の2行を有効にすると非アクティブが縮小表示される
     Pattern A（横から見えるだけ）にする場合はコメントアウト */
  transform: scale(0.92);
  transform-origin: left center;
  opacity: 0.5;
  /* ---------------------------------------------- */

  transition:
    transform 0.8s cubic-bezier(0.76, 0, 0.24, 1),
    opacity   0.8s cubic-bezier(0.76, 0, 0.24, 1),
    box-shadow 0.4s ease;
}
.mnt-sc-card.is-active {
  transform: scale(1);
  opacity: 1;
}
.mnt-sc-card__img-wrap {
  width: 46%;
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
}
.mnt-sc-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.08);
  transition: transform 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
/* アクティブ時：Ken Burns */
.mnt-sc-card.is-active .mnt-sc-card__img {
  transform: scale(1.0);
}
.mnt-sc-card__body {
  flex: 1;
  padding: 48px 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
}
.mnt-sc-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.mnt-sc-card__tag {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: #fff;
  background: var(--rc-navy);
  padding: 4px 12px;
}
.mnt-sc-card__badge {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.6875rem;
  color: var(--coolgray-60);
  letter-spacing: 0.04em;
}
.mnt-sc-card__title {
  font-family: "Shippori Mincho", serif;
  font-size: clamp(1.25rem, 2vw, 1.625rem);
  font-weight: 600;
  color: var(--rc-navy);
  margin: 0;
  line-height: 1.6;
  letter-spacing: 0.03em;
}
.mnt-sc-card__desc {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.875rem;
  line-height: 1.9;
  color: var(--coolgray-60);
  margin: 0;
}
.mnt-sc-card__result {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0 0 0 14px;
  border-left: 3px solid var(--rc-gold);
}
.mnt-sc-card__result-label {
  font-family: "Shippori Mincho", serif;
  font-size: 0.625rem;
  letter-spacing: 0.22em;
  font-weight: 600;
  color: var(--rc-gold);
}
.mnt-sc-card__result-text {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--rc-navy);
  white-space: nowrap; /* 折り返しなし */
}
.mnt-sc-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--rc-navy);
  text-decoration: none;
  transition: color 0.2s, gap 0.2s;
  margin-top: 4px;
  align-self: flex-start;
}
.mnt-sc-card__link svg { color: var(--rc-gold); transition: transform 0.3s ease; }
.mnt-sc-card__link:hover { color: var(--rc-gold); gap: 10px; }

/* ストレッチドリンク：カード全体をクリック領域に */
.mnt-sc-card__link::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
}

/* アクティブカードのみホバー演出を有効に */
.mnt-sc-card.is-active:hover {
  box-shadow: 0 12px 36px rgba(19, 45, 127, 0.16);
}
.mnt-sc-card.is-active:hover .mnt-sc-card__img {
  transform: scale(1.04);
  transition-duration: 0.6s;
}
.mnt-sc-card.is-active:hover .mnt-sc-card__title {
  color: var(--rc-navy-light);
  transition: color 0.3s ease;
}
.mnt-sc-card.is-active:hover .mnt-sc-card__link {
  color: var(--rc-gold);
  gap: 10px;
}
.mnt-sc-card.is-active:hover .mnt-sc-card__link svg {
  transform: translateX(4px);
}

/* プログレスバー */
.mnt-sc-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: rgba(19, 45, 127, 0.1);
}
.mnt-sc-progress__bar {
  height: 100%;
  background: var(--rc-gold);
  width: 25%; /* JS で更新 */
  transition: width 0.8s cubic-bezier(0.76, 0, 0.24, 1);
}

/* .sub-faq* は common.css に移動済み */

/* ========== 11. CTA ========== */
.mnt-cta {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
  color: #fff;
  text-align: center;
}
.mnt-cta__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.mnt-cta__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(19,45,127,0.92) 0%, rgba(29,69,164,0.85) 100%);
  z-index: 1;
}
.mnt-cta__container {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 40px;
}
.mnt-cta__title {
  font-family: "Shippori Mincho", serif;
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 600;
  margin: 0 0 20px;
  line-height: 1.6;
  letter-spacing: 0.02em;
}
.mnt-cta__lead {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 1rem;
  margin: 0 0 36px;
  opacity: 0.95;
}
/* .mnt-cta__btn → common.css に統合 */

/* ===================================================
   TABLET (768 - 1023px)
   =================================================== */
@media (min-width: 768px) and (max-width: 1023px) {
  .mnt-hero__container,
  .mnt-concept__container,
  .mnt-pillars__container,
  .mnt-scope__container,
  .mnt-property__container,
  .mnt-onestop__container,
  .mnt-why__container,
  .mnt-flow__container,
  .mnt-response__container,
  .sub-faq__container,
  .mnt-cta__container {
    padding: 0 32px;
  }

  /* Split cases – tablet */
  .mnt-split-cases__inner {
    position: static;
    height: auto;
    padding: 64px 32px;
    grid-template-columns: 1fr;
    gap: 36px;
    overflow: visible;
  }
  .mnt-split-cases__left { gap: 0; }
  .mnt-sc-card { min-height: 340px; }
  .mnt-sc-card__img-wrap { width: 40%; }
  .mnt-sc-card__body { padding: 32px 28px; }

  .mnt-concept__container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  /* 3 PILLARS / SCOPE はタブレットでも 3 カラム維持。padding を詰めて収まり良く */
  .mnt-pillars__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
  }
  .mnt-pillar {
    padding: 32px 20px;
  }
  .mnt-pillar__en {
    font-size: 0.6875rem;
    letter-spacing: 0.18em;
  }
  .mnt-pillar__title {
    font-size: 1.5rem;
  }
  .mnt-pillar__meta {
    grid-template-columns: auto 1fr; /* 縦2行で頻度/対象を別行に */
    font-size: 0.75rem;
  }
  .mnt-scope__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .mnt-property__row {
    grid-template-columns: 120px 140px 1fr;
    gap: 0 20px;
    padding-right: 24px;
  }
  .mnt-property__thumb {
    width: 120px;
  }
  .mnt-property__tags {
    grid-column: 2 / -1;
    justify-content: flex-start;
    padding-bottom: 20px;
  }

  .mnt-onestop__diagram {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    gap: 20px;
  }
  .mnt-onestop__item,
  .mnt-onestop__item--tl,
  .mnt-onestop__item--tr,
  .mnt-onestop__item--bl,
  .mnt-onestop__item--br {
    grid-column: 1;
    grid-row: auto;
    text-align: left;
  }
  .mnt-onestop__center {
    grid-column: 1;
    grid-row: auto;
    order: -1;
    margin: 0 auto 16px;
  }

  .mnt-why__block,
  .mnt-why__block--reverse {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .mnt-why__block--reverse .mnt-why__media,
  .mnt-why__block--reverse .mnt-why__body {
    order: unset;
  }

  .mnt-flow__list {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  .mnt-flow__item:nth-child(3n)::after {
    display: none;
  }

  .mnt-response__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .mnt-response__step:nth-child(2n)::after {
    display: none;
  }
}

/* ===================================================
   SP (max-width: 767px)
   =================================================== */
@media (max-width: 767px) {
  .mnt-hero {
    min-height: 360px;
    padding: 110px 0 60px;
  }
  .mnt-hero__container,
  .mnt-concept__container,
  .mnt-pillars__container,
  .mnt-scope__container,
  .mnt-property__container,
  .mnt-onestop__container,
  .mnt-why__container,
  .mnt-flow__container,
  .mnt-response__container,
  .sub-faq__container,
  .mnt-cta__container {
    padding: 0 20px;
  }

  .mnt-concept,
  .mnt-pillars,
  .mnt-scope,
  .mnt-property,
  .mnt-onestop,
  .mnt-why,
  .mnt-flow,
  .mnt-response,
  .mnt-split-cases,
  .sub-faq,
  .mnt-cta {
    padding: 64px 0;
  }

  /* Split cases – SP */
  .mnt-split-cases {
    height: auto;
    overflow: visible;
    scroll-snap-stop: normal;
  }
  .mnt-split-cases__inner {
    grid-template-columns: 1fr; /* PC の 320px + 1fr を縦積みに */
    height: auto;
    padding: 48px 20px;
    gap: 28px;
    overflow: visible;
  }
  .mnt-sc-track { gap: 16px; }
  .mnt-sc-card {
    flex-direction: column;
    min-height: auto;
    width: 100%; /* SP は peek なしで全幅 */
    transform: scale(1); /* PC の縮小演出はリセット */
    opacity: 1;
  }
  .mnt-sc-card__img-wrap { width: 100%; aspect-ratio: 16 / 9; }
  .mnt-sc-card__body { padding: 24px 20px; }
  .mnt-sc-nav__current { font-size: 1.5rem; }

  .mnt-concept__container {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .mnt-concept__badge {
    width: 110px;
    height: 110px;
    right: -10px;
    bottom: -10px;
  }
  .mnt-concept__badge-en { font-size: 0.9375rem; }
  .mnt-concept__badge-ja { font-size: 0.5625rem; }

  .mnt-pillars__grid,
  .mnt-scope__grid {
    grid-template-columns: 1fr;
    gap: 2px;
  }
  .mnt-pillar {
    padding: 36px 24px;
  }

  .sub-bg-text {
    font-size: clamp(3.5rem, 18vw, 6rem);
  }

  .mnt-property__row {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 0;
  }
  .mnt-property__thumb {
    width: 100%;
    height: 160px;
  }
  .mnt-property__label {
    padding: 16px 20px 4px;
  }
  .mnt-property__desc {
    padding: 4px 20px 12px;
  }
  .mnt-property__tags {
    justify-content: flex-start;
    padding: 0 20px 20px;
  }

  .mnt-onestop__diagram {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    gap: 16px;
  }
  .mnt-onestop__item,
  .mnt-onestop__item--tl,
  .mnt-onestop__item--tr,
  .mnt-onestop__item--bl,
  .mnt-onestop__item--br {
    grid-column: 1;
    grid-row: auto;
    text-align: left;
    padding: 20px;
  }
  .mnt-onestop__center {
    grid-column: 1;
    grid-row: auto;
    order: -1;
    margin: 0 auto 8px;
    width: 200px;
    height: 200px;
  }
  .mnt-onestop__center-logo { width: 110px; }

  .mnt-why__block,
  .mnt-why__block--reverse {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 48px;
  }
  .mnt-why__block--reverse .mnt-why__media,
  .mnt-why__block--reverse .mnt-why__body {
    order: unset;
  }
  .mnt-why__num { font-size: 2rem; }
  .mnt-why__block-title { font-size: 1.5rem; }

  .mnt-flow__list {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
  .mnt-flow__item::after {
    display: none !important;
  }

  .mnt-response__grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .mnt-response__step::after {
    display: none !important;
  }

  .sub-faq__q {
    grid-template-columns: 36px 1fr 24px;
    padding: 16px 18px;
    gap: 12px;
  }
  .sub-faq__q-mark,
  .sub-faq__a-mark {
    font-size: 1.125rem;
  }
  .sub-faq__a {
    grid-template-columns: 36px 1fr;
    gap: 12px;
    padding: 0 18px;
  }
  .sub-faq__q[aria-expanded="true"] + .sub-faq__a {
    padding: 16px 18px;
    max-height: 600px;
  }

  .mnt-cta__btn {
    padding: 14px 28px;
    font-size: 0.9375rem;
  }
}