:root {
  --aws-navy: #232f3e;
  --aws-orange: #ff9900;
  --aws-blue: #0073bb;
  --light-gray: #f4f8fb;
  --main-bg: #fff;
  --main-text: #232f3e;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', 'M PLUS 1', Arial, sans-serif;
  background: var(--light-gray);
  color: var(--main-text);
  line-height: 1.7;
}

header {
  position: sticky;
  top: 0;
  background: var(--main-bg);
  z-index: 99;
  box-shadow: 0 4px 24px rgba(35, 47, 62, 0.07);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 5vw;
}

.navbar img {
  height: 44px;
  vertical-align: middle;
}

nav ul {
  display: flex;
  gap: 30px;
  margin: 0;
  padding: 0;
  list-style: none;
}

nav a {
  color: var(--main-text);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.04em;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border .2s, color .2s;
}

nav a:hover,
nav a.active {
  color: var(--aws-orange);
  border-bottom: 2px solid var(--aws-orange);
}

/* Hero */
.hero {
  background: linear-gradient(110deg, var(--aws-navy) 50%, var(--aws-blue) 100%);
  color: #fff;
  text-align: center;
  padding: 70px 8vw 48px 8vw;
}

.hero h1 {
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

.hero p {
  font-size: 1.15rem;
  margin-bottom: 32px;
  font-weight: 500;
  line-height: 1.8;
}

.hero .cta-btn {
  background: var(--aws-orange);
  color: #fff;
  border: none;
  border-radius: 32px;
  padding: 16px 48px;
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(35, 47, 62, 0.11);
  transition: background 0.2s, color 0.2s;
  text-decoration: none;
  display: inline-block;
}

.hero .cta-btn:hover {
  background: #cc7a00;
  color: #fff;
}

section {
  max-width: 1000px;
  margin: 64px auto;
  padding: 0 5vw;
  scroll-margin-top: 90px;
}

.sec-title {
  font-size: 2rem;
  font-weight: 600;
  color: var(--aws-blue);
  margin-bottom: 36px;
  letter-spacing: 0.04em;
  text-align: center;
}

/* --- 共通カードスタイル --- */
.card-wrap {
  background: var(--main-bg);
  border-radius: 18px;
  padding: 36px 30px 24px 30px;
  box-shadow: 0 8px 32px rgba(35, 47, 62, 0.10);
  max-width: 1000px;
  margin: 0 auto 30px auto;
}

.card-wrap ul,
.card-wrap dl {
  margin: 0;
  padding: 0;
  list-style: none;
}

#about ul li,
#contact ul li {
  margin-bottom: 18px;
  font-size: 1.1rem;
}

#contact .card-wrap ul {
  text-align: center;
}

/* Service カード 1列縦表示（左右余白減/下余白増/行間狭く） */
.service-cards {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  margin-bottom: 0;
}

.service-card {
  width: 100%;
  max-width: 700px;
  background: var(--main-bg);
  border-radius: 18px;
  box-shadow: 0 4px 16px rgba(35, 47, 62, 0.08);
  padding: 16px 8px 40px 8px;
  /* 下余白40px */
  text-align: center;
  transition: transform 0.18s;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.service-card img {
  height: 46px;
  margin-bottom: 10px;
  opacity: 0.88;
}

.service-card b {
  display: block;
  font-size: 1.13rem;
  margin-bottom: 12px;
  color: var(--aws-blue);
}

.service-card p {
  font-size: 1.03rem;
  margin-bottom: 3px;
  color: #333;
  text-align: left;
  width: 100%;
  max-width: none;
  padding-left: 30px;
  padding-right: 30px;
  margin-left: 0;
  margin-right: 0;
  line-height: 1.3;
  /* 行間を狭く */
}

/* Company Profile カード dt/ddバランス調整（幅狭く） */
#profile .card-wrap dl {
  display: grid;
  grid-template-columns: 120px 1fr;
  row-gap: 16px;
  column-gap: 16px;
  font-size: 1.06rem;
}

#profile dt {
  font-weight: 600;
  color: var(--aws-blue);
  text-align: left;
  padding-left: 8px;
}

#profile dd {
  margin: 0;
  text-align: left;
  font-weight: 500;
}

/* Contact カード幅調整 */
#contact .card-wrap {
  max-width: 1000px;
}

.contact-link-wrapper {
  margin: 20px 0 0 0;
  text-align: center;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.btn {
  background: var(--aws-orange);
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  padding: 14px 36px;
  border: none;
  border-radius: 32px;
  text-decoration: none;
  transition: background .22s;
  display: inline-block;
  margin-top: 10px;
}

.btn:hover {
  background: #cc7a00;
  color: #fff;
}

footer {
  background: var(--aws-navy);
  color: #fff;
  text-align: center;
  padding: 30px 0 12px 0;
  margin-top: 48px;
  font-size: 0.97rem;
  letter-spacing: 0.04em;
}

@media (max-width: 800px) {
  .service-card {
    max-width: 100%;
  }

  .navbar,
  section {
    padding-left: 3vw;
    padding-right: 3vw;
  }

  .navbar img {
    height: 36px;
  }
}

@media (max-width: 520px) {
  .hero h1 {
    font-size: 1.3rem;
  }

  .sec-title {
    font-size: 1.2rem;
  }

  .card-wrap {
    padding: 14px 4vw 12px 4vw;
  }

  #profile .card-wrap dl {
    font-size: 0.98rem;
    padding: 0;
  }

  #profile .card-wrap dl {
    grid-template-columns: 1fr;
  }

  #profile dt {
    padding-left: 0;
  }
}