:root {
  --navy: #10204c;
  --navy-deep: #0a1636;
  --cyan: #3fbedc;
  --gray-bg: #ededed;
  --blue-bg: #def2fa;
  --text: #333333;
  --text-soft: #6b6f76;
  --white: #ffffff;
  --line: rgba(16, 32, 76, 0.16);
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: "Noto Sans JP", sans-serif;
  color: var(--text);
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
.wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ---- eyebrow / section title (Business風) ---- */
.head-row {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.head-en {
  font-size: clamp(30px, 4.4vw, 42px);
  font-weight: 900;
  color: var(--navy);
  letter-spacing: 0.01em;
}
.head-ja {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-soft);
  letter-spacing: 0.04em;
}
.head-ja.on-blue {
  color: #9aa6b8;
}

/* ---- button ---- */
.btn {
  display: inline-block;
  background: var(--navy);
  color: var(--white);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.04em;
  padding: 17px 46px;
  border-radius: 3px;
  transition:
    opacity 0.15s ease,
    transform 0.15s ease;
}
.btn:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}
.btn::before {
  content: "❯ ";
  color: var(--cyan);
}

/* ================= INTRO ================= */
.intro {
  /* background: var(--gray-bg); */
  padding: 80px 0 72px;
}
.intro-title,
.intro-title span {
  font-size: clamp(22px, 3.6vw, 32px);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.7;
  margin: 26px 0 0;
}
.intro-title .accent {
  color: var(--cyan);
}
.divider {
  height: 1px;
  background: var(--navy);
  margin: 30px 0 34px;
  opacity: 0.85;
}
.intro-body {
  /* max-width:64ch; */
  font-size: 15.5px;
  color: var(--text);
}
.intro-body p + p {
  margin-top: 1.3em;
}
.intro-cta {
  margin-top: 38px;
}

/* ================= STRENGTHS ================= */
.strengths {
  background: var(--white);
  padding: 88px 0;
}
.strength-grid {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 44px;
}
.strength-card {
  border-top: 3px solid var(--navy);
  padding-top: 24px;
}
.strength-num {
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0;
  /* margin-bottom: 14px; */
  display: block;
  font-family: "Roboto", sans-serif;
}
.strength-card h3 {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.6;
  margin: 0 0 12px;
}
.strength-card p {
  font-size: 13.8px;
  color: var(--text-soft);
  margin: 0;
}

/* ================= SERVICES (image cards) ================= */
.services {
  background: var(--blue-bg);
  padding: 88px 0 96px;
}
.service-grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.service-card {
  background: var(--white);
  position: relative;
  padding-bottom: 40px;
}
.service-media {
  width: 100%;
  aspect-ratio: 4/3;
  background: repeating-linear-gradient(
    45deg,
    #e3ecf4,
    #e3ecf4 12px,
    #d8e4ee 12px,
    #d8e4ee 24px
  );
  display: flex;
  align-items: center;
  justify-content: center;
  color: #7b8aa0;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-align: center;
}

.service-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.service-label {
  background: var(--navy);
  color: var(--white);
  display: inline-block;
  font-size: 18px;
  font-weight: 700;
  padding: 15px 26px;
  margin: -26px 0 24px 24px;
  position: relative;
  z-index: 1;
}
.service-text {
  padding: 0 28px;
  font-size: 14px;
  color: var(--text-soft);
}
.service-text p {
  margin: 0;
}

/* ================= CTA ================= */
.cta {
  background: var(--navy);
  padding: 80px 0;
  text-align: center;
}
.cta .head-en {
  color: var(--white);
}
.cta .head-ja {
  color: #9aa6b8;
}
.cta-msg {
  max-width: 56ch;
  margin: 26px auto 0;
  color: #d6dce6;
  font-size: 15px;
}
.cta-tags {
  margin: 32px 0 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}
.cta-tags span {
  font-size: 12.5px;
  color: #d6dce6;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  padding: 8px 18px;
}
.cta-btn {
  margin-top: 40px;
}

footer {
  background: var(--navy-deep);
  color: #8792a6;
  text-align: center;
  font-size: 12px;
  padding: 26px 0;
}

@media (max-width: 780px) {
  .wrap {
    padding: 0 22px;
  }
  .strength-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .service-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .service-media {
    width: 100%;
  }
  .service-card.reverse .service-media {
    margin: 0;
  }
  .service-label {
    margin: -24px 0 20px 20px;
    font-size: 16px;
    padding: 13px 22px;
  }
  .service-card.reverse .service-label {
    float: none;
    margin: -24px 20px 20px 0;
  }
  .service-text {
    padding: 0 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn {
    transition: none;
  }
}