/* ============================================================
   service-marketing.css — マーケティング支援ページ固有スタイル
============================================================ */

/* ---- ページヒーロー ---- */
.mkt-hero {
  position: relative;
  background: var(--bg);
  padding: calc(72px + clamp(64px, 10vw, 120px)) 0 clamp(64px, 8vw, 100px);
  overflow: hidden;
}
.mkt-hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad);
}
.mkt-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.mkt-hero__eyebrow::before {
  content: '';
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--text-muted);
}
.mkt-hero__title {
  font-family: var(--font-head);
  font-size: clamp(48px, 9vw, 128px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: var(--text);
  margin-bottom: 32px;
}
.mkt-hero__title-sub {
  font-size: clamp(32px, 5.5vw, 80px);
  color: var(--text-sub);
  display: block;
  margin-top: 12px;
  letter-spacing: -0.02em;
}
.mkt-hero__lead {
  font-size: clamp(15px, 1.8vw, 18px);
  color: var(--text-sub);
  line-height: 1.85;
  margin-bottom: 40px;
}
.mkt-hero__lead .pc-only { display: none; }
.mkt-hero__cta {
  display: flex;
  align-items: center;
  gap: 20px 32px;
  flex-wrap: wrap;
}
@media (max-width: 639px) {
  .mkt-hero__cta {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}
.mkt-hero__back {
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color var(--t-fast);
}
.mkt-hero__back:hover { color: var(--text-sub); }

.mkt-hero__visual {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.mkt-hero__visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--bg) 50%, rgba(0,15,30,0.6) 100%);
}
.mkt-hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
}
@media (min-width: 1024px) {
  .mkt-hero__lead .pc-only { display: inline; }
  .mkt-hero__visual img { opacity: 0.35; }
  .mkt-hero__visual::after {
    background: linear-gradient(90deg, var(--bg) 40%, rgba(0,15,30,0.3) 100%);
  }
}

/* ---- サービス概要 ---- */
.mkt-overview {
  background: var(--bg-light);
  padding: clamp(80px, 11vw, 140px) 0;
}
.mkt-overview__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad);
}
.mkt-overview__title {
  font-family: var(--font-head);
  font-size: clamp(24px, 3.5vw, 52px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--text-dark);
  margin: 24px 0 28px;
}
.mkt-overview__title .pc-only { display: none; }
@media (min-width: 1024px) {
  .mkt-overview__title .pc-only { display: inline; }
}
.mkt-overview__lead {
  font-size: clamp(14px, 1.6vw, 16px);
  color: var(--text-dark-sub);
  line-height: 1.9;
  margin-bottom: 64px;
}
.mkt-overview__features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 640px) {
  .mkt-overview__features { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
  .mkt-overview__features { grid-template-columns: repeat(4, 1fr); }
}
.mkt-overview__feature {
  background: #fff;
  border-radius: var(--r);
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 1px 6px rgba(0,0,0,0.06);
  transition: box-shadow var(--t-fast);
}
.mkt-overview__feature:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.10);
}
.mkt-overview__feature-num {
  font-family: var(--font-head);
  font-size: 56px;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: rgba(0,15,30,0.05);
  line-height: 1;
  display: block;
  margin-bottom: 8px;
}
.mkt-overview__feature-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
  border-left: 3px solid var(--text-dark);
  padding-left: 10px;
}
.mkt-overview__feature-text {
  font-size: 13px;
  color: var(--text-dark-sub);
  line-height: 1.75;
  padding-left: 13px;
}

/* ---- 課題 ---- */
.mkt-problems {
  background: var(--bg);
  padding: clamp(80px, 11vw, 140px) 0;
}
.mkt-problems__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad);
}
.mkt-problems__title {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 60px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text);
  margin: 24px 0 48px;
}
.mkt-problems__list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
@media (min-width: 1024px) {
  .mkt-problems__list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
}
.mkt-problems__item {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 16px;
  align-items: start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 24px;
  transition: border-color var(--t-fast);
}
.mkt-problems__item:hover {
  border-color: rgba(255,255,255,0.16);
}
.mkt-problems__icon {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  margin-top: 2px;
}
.mkt-problems__item strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}
.mkt-problems__item p {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* ---- 提供内容 ---- */
.mkt-services {
  background: var(--bg-light);
  padding: clamp(80px, 11vw, 140px) 0;
}
.mkt-services__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad);
}
.mkt-services__title {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 60px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text-dark);
  margin: 24px 0 48px;
}

/* カードグリッド */
.mkt-services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  background: var(--border-light);
  border: 1px solid var(--border-light);
  border-radius: var(--r);
  overflow: hidden;
}
@media (min-width: 640px) {
  .mkt-services__grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
  .mkt-services__grid { grid-template-columns: repeat(3, 1fr); }
}

.mkt-services__card {
  background: #fff;
  padding: clamp(24px, 4vw, 36px) clamp(20px, 3.5vw, 32px);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: background var(--t-fast);
}
.mkt-services__card:hover {
  background: #f8f8f8;
}
.mkt-services__card:hover .mkt-services__card-icon {
  color: rgba(0,15,30,0.10);
}

.mkt-services__card-icon {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 160px;
  height: 160px;
  color: rgba(0,15,30,0.07);
  pointer-events: none;
}
.mkt-services__card-icon svg {
  width: 100%;
  height: 100%;
}

.mkt-services__card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.5;
  margin-bottom: 12px;
  padding-left: 12px;
  border-left: 3px solid var(--text-dark);
}

.mkt-services__card-text {
  font-size: 13px;
  color: var(--text-dark-sub);
  line-height: 1.8;
}
.mkt-services__card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 16px;
}
.mkt-services__card-tags li {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fff;
  background: var(--text-dark);
  border-radius: 2px;
  padding: 3px 8px;
}

/* ---- 進め方 ---- */
.mkt-flow {
  background: var(--bg);
  padding: clamp(80px, 11vw, 140px) 0;
}
.mkt-flow__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad);
}
.mkt-flow__title {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 60px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text);
  margin: 24px 0 16px;
}
.mkt-flow__lead {
  font-size: clamp(14px, 1.6vw, 16px);
  color: var(--text-sub);
  line-height: 1.85;
  margin-bottom: 56px;
}
.mkt-flow__steps {
  display: flex;
  flex-direction: column;
  position: relative;
}
.mkt-flow__steps::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--border);
}
.mkt-flow__step {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 20px;
  align-items: start;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.mkt-flow__step:last-child { border-bottom: none; }
@media (min-width: 768px) {
  .mkt-flow__steps::before { left: 28px; }
  .mkt-flow__step {
    grid-template-columns: 56px 1fr;
    gap: 24px;
  }
}
.mkt-flow__step-num {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
@media (min-width: 768px) {
  .mkt-flow__step-num { width: 56px; height: 56px; font-size: 14px; }
}
.mkt-flow__step-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.mkt-flow__step-text {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.8;
}
