.support-contents {
  width: 100%;
  background-image: url(../src_images/industrial-hall-1630738.jpg);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  filter: brightness(90%);
  padding-block-end: 50px;
  min-height: 80vh;
}

.support-contents-box{
  width: clamp(300px, 85vw, 600px);
  padding-inline: 10px;
  padding-block-start: 10px;
  margin-inline: auto;
  margin-block: 10px;
  background-color: rgba(30,30,30,0.8);
  border-radius: 5px;
}
.support-contents-box ul {
  padding: 10px;
  display: flex;
  flex-direction: column;
}
.support-contents-box ul li {
  padding-block-end: 15px;
}
.support-contents-box h3 {
  text-align: center;
  font-size: 1.4rem;
  font-weight: 400;
  padding-block-end: 3px;
}
.support-contents-box p {
  text-align: center;
  font-size: 1.1rem;
  font-weight: 350;
  color: #dddddd;
  padding-block-end: 6px;
}
.support-contents-box a:hover {
  color: #ffffff;
}
@media(max-width: 430px){
  .support-contents-box h3 {
    font-size: 1.2rem;
  }
  .support-contents-box p {
    font-size: 1.0rem;
  }
}