body {
  margin: 0;
  font-family: "Yu Gothic", sans-serif;
  color: #333;
  background: #fff;
}

a {
  color: #333;
  text-decoration: none;
}

img {
  width: 100%;
  display: block;
}

.page-header {
  background: #f4f4f4;
  border-bottom: 1px solid #ccc;
}

.header-container {
  max-width: 1100px;
  margin: 0 auto;
}

.header-cat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px 5px;
}

.header-logo {
  font-size: 20px;
  margin: 0;
}

.pc-nav-ul {
  display: flex;
  list-style: none;
  gap: 26px;
  margin: 0;
  padding: 0;
}

.pc-nav a {
  font-size: 13px;
}

#humbuger-btn {
  display: none;
}

.humburger-btn {
  display: none;
}

.sp-nav {
  display: none;
}

.page-main {
  padding-top: 12px;
}

.main-container {
  width: 88%;
  max-width: 980px;
  margin: 0 auto;
}

.notice {
  font-size: 12px;
  margin-bottom: 8px;
  color: #999;
}

.post-header {
  margin-top: 10px;
  margin-bottom: 20px;
}

.mini-label {
  font-size: 12px;
  color: #666;
  margin-bottom: 2px;
}

.post-header h1 {
  font-size: 34px;
  line-height: 1.15;
  margin: 0 0 8px;
  max-width: 560px;
}

.post-header p {
  font-size: 14px;
  line-height: 1.4;
  max-width: 540px;
}

.cta-btn {
  display: inline-block;
  background: orange;
  color: #fff;
  padding: 10px 18px;
  margin-top: 6px;
  margin-left: 17px;
  border-radius: 2px;
  font-size: 14px;
}

.hero-image-wrap {
  margin-bottom: 14px;
}

.hero-image-wrap img {
  height: 420px;
  object-fit: cover;
}

.post-contents {
  margin-top: 5px;
}

.post-contents h2 {
  font-size: 29px;
  margin: 41px 0 5px;
  color: #0a3871;
}

.post-contents p {
  font-size: 15px;
  line-height: 1.3;
  margin-top: 0;
  margin-bottom: 11px;
}

.service-boxes {
  display: flex;
  gap: 10px;
  margin-top: 10px;
  margin-bottom: 42px;
}

.service-box {
  width: 33.33%;
  border: 1px solid #ddd;
  padding: 10px 8px;
}

.service-box h3 {
  margin-top: 0;
  font-size: 20px;
}

.service-box p {
  font-size: 13px;
  line-height: 1.35;
}

.post-footer {
  background: #efefef;
  padding: 18px 30px 28px;
  margin-top: 60px;
}

.post-footer p:first-child {
  font-size: 12px;
  color: #666;
}

.page-bottom {
  background: #fafafa;
  padding: 20px 0 28px;
}

.bottom-container {
  max-width: 980px;
  margin: 0 auto;
  width: 88%;
}

.page-footer {
  background: #2e2e2e;
  color: #fff;
  padding: 12px 0;
}

.footer-container {
  max-width: 980px;
  width: 88%;
  margin: 0 auto;
  font-size: 12px;
}

@media (max-width: 768px) {
  .pc-nav {
    display: none;
  }

  .humburger-btn {
    display: inline-block;
    width: 38px;
    height: 38px;
    position: relative;
  }

  .humburger-btn span {
    display: block;
    position: absolute;
    top: 8px;
    left: 7px;
  }

  .humburger-btn i {
    display: block;
    width: 24px;
    height: 2px;
    margin-bottom: 5px;
    background: #333;
  }

  #humbuger-btn:checked ~ .sp-nav {
    display: block;
    position: absolute;
    top: 56px;
    right: 10px;
    background: #fff;
    border: 1px solid #ccc;
    padding: 8px 14px;
  }

  .sp-nav-ul {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .sp-nav-ul li {
    margin-bottom: 8px;
  }

  .post-header h1 {
    font-size: 36px;
    max-width: none;
  }

  .post-header p {
    width: 100%;
  }

  .hero-image-wrap img {
    height: 320px;
  }

  .service-boxes {
    gap: 16px;
  }

  .service-box {
    padding: 18px;
  }

  .cta-btn {
    width: 260px;
    text-align: left;
  }
}

@media (max-width: 480px) {
  .main-container {
    width: 94%;
  }

  .post-header h1 {
    font-size: 38px;
    line-height: 1.05;
  }

  .post-contents h2 {
    font-size: 31px;
  }

  .post-contents p {
    font-size: 16px;
  }

  .service-boxes {
    display: block;
  }

  .service-box {
    width: 100%;
    margin-bottom: 14px;
  }

  .hero-image-wrap img {
    width: 112%;
    margin-left: -6%;
  }

  .post-footer {
    padding: 10px 11px 18px;
  }

  .cta-btn {
    margin-left: 28px;
    width: 78%;
    font-size: 13px;
  }
}