.pc{display: inherit;}
.sp{display: none;}

body {
  font-family: 'Noto Sans JP', sans-serif;
  margin: 0;
  background: #fff;
  color: #222;
  line-height: 1.6;
}
header {
  background: #ffffffbd;
  backdrop-filter: blur(5px);
  border-bottom: 1px solid #eee;
  height: 48px;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 999;
}
.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 48px;
}
.logo {
  font-size: 1.4rem;
  font-weight: bold;
  font-style: italic;
  margin-left: 16px;
}
nav ul {
  display: flex;
  list-style: none;
  gap: 32px;
  margin: 0;
  padding: 0;
}
nav li a {
  color: #222;
  text-decoration: none;
  font-size: 0.97rem;
  transition: color 0.2s;
}
nav li a:hover {
  color: #10218b;
}

.kv {
  position: relative;
  top: 48px;
  background: url(img/pc-top.png);
  background-size: cover;
  background-position: center;
  height: 30vh;
  text-align: center;
  padding: 60px 0 50px;
  margin-bottom: 30px;
}
.kv-logo {
  width: 100px;
  margin-bottom: 20px;
}
.kv-copy {
  font-size: 1.3rem;
  margin: 0;
  line-height: 1.7;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 10px;
  text-align: center;
}
#business h2, #strength h2, #about h2 {
  font-size: 1.3rem;
  margin: 2.5rem auto 4rem;
  letter-spacing: 0.02em;
  border-bottom: 5px solid;
  border-image: url(img/line.png) 100;
  display: inline-block;
  padding-bottom: 3px;
}
.business-list .swiper-wrapper{
  display: flex;
  gap: 24px;
  justify-content: space-between;
  margin-bottom: 28px;
}
.business-item {
  width: 24%;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(30, 45, 110, 0.05);
  text-align: center;
  padding: 16px 10px 22px;
  box-sizing: border-box;
}
.business-item img {
  width: 100%;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 10px;
}
.business-item h3 {
  font-size: 1.12rem;
  font-weight: bold;
  margin: 10px 0 7px;
}
.business-item p {
  font-size: 0.97rem;
  color: #222;
}
.cta {
  text-align: center;
  margin: 5rem;
}
.cta a {
  display: inline-block;
  background: url(img/bt_back.png);
  background-position: center;
  background-size: cover;
  color: #fff;
  font-size: 1.4rem;
  font-weight: bold;
  padding: 24px 50px;
  letter-spacing: 0.04em;
  text-decoration: none;
  box-shadow: 0px 13px 7px -5px #777777;
  border-radius: 10px;
}
.cta a:hover {
  opacity:0.6;
}

#strength {
  background: #0b56a0;
  color: #fff;
  padding: 38px 0 76px;
  margin-bottom: 0;
}
#strength h2 {
  color: #fff;
  border-color: #fff;
  margin-top: 0;
}
.strength-list {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 32px;
}
.strength-item {
  flex: 1 1 0;
  text-align: center;
  padding: 0 6px;
}
.strength-item .icon {
  height: 64px;
  margin-bottom: 24px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}
.icon.info { background-image: url('img/info_ico.png'); }
.icon.deep { background-image: url('img/deep_ico.png'); }
.icon.plan { background-image: url('img/plan_ico.png'); }
.icon.speed { background-image: url('img/speed_ico.png'); }
.icon.knowledge { background-image: url('img/knowledge_ico.png'); }

.strength-item h3 {
  font-size: 1.5rem;
  margin: 0 0 26px;
}
.strength-item p {
  font-size: 0.93rem;
  margin: 0;
  line-height: 1.5;
}

.about-table {
  max-width: 640px;
  margin: -20px auto 100px;
}
.about-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 1rem;
  border: 1px solid #2574bd;
}
.about-table th, .about-table td {
  padding: 8px 7px;
  text-align: left;
  vertical-align: top;
}
.about-table th {
  background: #2474bd;
  color: #fff;
  width: 110px;
  font-weight: bold;
}
.about-table tr:not(:last-child) td, .about-table tr:not(:last-child) th {
}
.about-table td {
  color: #0e2255;
}

footer {
  background: #14246e;
  color: #fff;
  text-align: center;
  padding: 20px 0 10px;
  margin-top: 36px;
  font-size: 0.96rem;
}