@charset "utf-8";

/* ========== useful ========== */
#useful {
  padding: calc(100 / var(--full-width) * 100vw) calc(30 / var(--full-width) * 100vw);
  background-color: #080d2a;
}

.useful-ttl img {
  aspect-ratio: 690 / 164;
}

.useful-list {
  margin-top: calc(35 / var(--full-width) * 100vw);
  display: flex;
  flex-wrap: wrap;
  gap: calc(24 / var(--full-width) * 100vw) calc(30 / var(--full-width) * 100vw);
}

.useful-item {
  width: calc((100% - (30 / var(--full-width) * 100vw)) / 2);
}

.useful-item a {
  position: relative;
  width: 100%;
  height: calc(100 / var(--full-width) * 100vw);
  padding: 0 calc(50 / var(--full-width) * 100vw);
  background-color: #005a99;
  border-radius: calc(1px / 0);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  line-height: 1.2;
  font-size: calc(26 / var(--full-width) * 100vw);
  font-weight: 700;
  color: #fff;
}
.useful-item a::after {
  content: '';
  position: absolute;
  top: 50%;
  right: 7%;
  translate: 0 -50%;
  display: block;
  width: calc(23 / var(--full-width) * 100vw);
  height: auto;
  aspect-ratio: 23 / 12;
  background: center/contain no-repeat url(../img/main/arrow.webp);
  transition: right 0.3s;
}
@media (hover: hover) {
  .useful-item a:hover {
    opacity: 0.7;
  }
  .useful-item a:hover::after {
    right: 4%;
  }
}

@media screen and (min-width: 751px) {
  #useful {
    padding: calc(100 / var(--pc-full-width) * 100vw) 0
      calc(120 / var(--pc-full-width) * 100vw);
  }

  .useful-inner {
    margin: 0 auto;
    width: calc(980 / var(--pc-full-width) * 100vw);
  }

  .useful-ttl img {
    aspect-ratio: 980 / 137;
  }

  .useful-list {
    margin-top: calc(30 / var(--pc-full-width) * 100vw);
    gap: calc(30 / var(--pc-full-width) * 100vw) calc(20 / var(--pc-full-width) * 100vw);
  }

  .useful-item {
    width: calc((100% - (20 / var(--pc-full-width) * 100vw) * 3) / 4);
  }

  .useful-item a {
    height: calc(70 / var(--pc-full-width) * 100vw);
    padding: 0 calc(35 / var(--pc-full-width) * 100vw) 0 calc(40 / var(--pc-full-width) * 100vw);
    font-size: calc(18 / var(--pc-full-width) * 100vw);
  }
  .useful-item a::after {
    width: calc(15 / var(--pc-full-width) * 100vw);
  }
}

/* ========== footer ========== */
#footer {
  width: 100%;
  padding: calc(50 / var(--full-width) * 100vw) calc(30 / var(--full-width) * 100vw)
    calc(20 / var(--full-width) * 100vw);
  background-color: #01609a;
  color: #fff;
}

.footer-logo {
  margin: 0 auto;
  display: block;
  width: calc(327 / var(--full-width) * 100vw);
  aspect-ratio: 520 / 112;
}
@media (hover: hover) {
  .footer-logo:hover {
    opacity: 0.7;
  }
}

.footer-share {
  margin-top: calc(45 / var(--full-width) * 100vw);
}

.footer-share h2 {
  line-height: 1;
  text-align: center;
  font-size: calc(40 / var(--full-width) * 100vw);
  font-weight: 400;
}

.footer-share ul {
  margin-top: calc(20 / var(--full-width) * 100vw);
  display: flex;
  justify-content: center;
  gap: calc(45 / var(--full-width) * 100vw);
}

.footer-share ul li {
  width: calc(75 / var(--full-width) * 100vw);
  height: calc(75 / var(--full-width) * 100vw);
}

.footer-share ul li a {
  display: block;
}
.footer-share ul li._x a {
  padding: calc(6 / var(--full-width) * 100vw);
}
@media (hover: hover) {
  .footer-share ul li a:hover {
    opacity: 0.7;
  }
}

.footer-copyright {
  margin-top: calc(45 / var(--full-width) * 100vw);
  display: block;
  width: 100%;
  line-height: 1.4;
  text-align: center;
  font-size: calc(20 / var(--full-width) * 100vw);
}

@media screen and (min-width: 751px) {
  #footer {
    padding: calc(50 / var(--pc-full-width) * 100vw) calc(30 / var(--pc-full-width) * 100vw)
      calc(20 / var(--pc-full-width) * 100vw);
  }
  
  .footer-logo {
    width: calc(327 / var(--pc-full-width) * 100vw);
  }
  
  .footer-share {
    margin-top: calc(45 / var(--pc-full-width) * 100vw);
  }
  
  .footer-share h2 {
    font-size: calc(40 / var(--pc-full-width) * 100vw);
  }
  
  .footer-share ul {
    margin-top: calc(20 / var(--pc-full-width) * 100vw);
    gap: calc(45 / var(--pc-full-width) * 100vw);
  }
  
  .footer-share ul li {
    width: calc(45 / var(--pc-full-width) * 100vw);
    height: calc(45 / var(--pc-full-width) * 100vw);
  }

  .footer-share ul li._x a {
    padding: calc(6 / var(--pc-full-width) * 100vw);
  }
  
  .footer-copyright {
    margin-top: calc(45 / var(--pc-full-width) * 100vw);
    font-size: calc(20 / var(--pc-full-width) * 100vw);
  }
}