#holding {
  margin-bottom: -9px;
}

.title-font {
  font-family: "Anton", sans-serif;
  font-style: normal;
  font-weight: 400;
  font-size: 32px;
  padding: 20px;
  line-height: 48px;
  color: #000000;
  text-align: center;
}

.sub-title-font {
  font-family: "Anton", sans-serif;
  font-style: normal;
  font-weight: 400;
  font-size: 24px;
  line-height: 36px;
  padding: 10px 20px;
  padding-bottom: 14px;
  color: #ffffff;
}

#detail {
  padding: 25px 20px;
  padding-bottom: 14px;
}

#number {
  margin-bottom: -8px;
}

#contents-internship-background {
  margin-top: -20px;
  background: #ffffff;
}

.internship-text-font {
  font-family: "Roboto", sans-serif;
  font-style: normal;
  font-weight: 400;
  font-size: 16px;
  line-height: 19px;
  padding-left: 30px;
  padding-right: 20px;
  padding-bottom: 20px;
  color: #ffffff;
}

.column-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px;
  gap: 20px;
}

/* カードの大枠 */
.card-container {
  width: fit-content;
  height: 312px;
  display: flex;
  background-color: #fff;
  border: 1px, solid, #646464;
}

.left-content {
  width: fit-content;
  display: flex;
  justify-content: center;
}

/* この要素の領域を基準にしている */
.course-image {
  width: 100%;
  aspect-ratio: 5 / 12; /* 常に16:9を維持して伸縮する */
  object-fit: cover; /* 中身の画像が歪まないように調整 */
}

.right-content {
  width: fit-content;
  aspect-ratio: 7 / 12; /* 常に7:9を維持して伸縮する */
  padding: 15px 15px;
}

.detail-text-wrapper {
  height: 250px;
  display: flex;
  gap: 20px;
  flex-direction: column;
}

.course-heading {
  font-size: 16px;
  font-weight: bold;
}

.course-main-text {
  font-size: 10px;
}

.meta-info {
  font-size: 10px;
}

.couse-precautions {
  font-size: 9px;
}

.contact-button-layout {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  width: 100%;
}

.contact-button-icon {
  border-start-start-radius: 1.2vw;
  border-start-end-radius: 1.2vw;
  border-end-start-radius: 1.2vw;
  border-end-end-radius: 1.2vw;
  overflow: hidden;
  background-color: #e59400;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 80%;
  cursor: pointer;
  text-decoration: none;
}

.contact-button-icon:hover {
  background-color: #915e00;
}

.contact-button-text {
  font-size: 16px;
  color: #fff;
  padding: 5px 0px;
}

.matters-layout {
  display: flex;
  flex-direction: column;
  margin-top: 5%;
  margin-bottom: 20%;
  padding: 0px 50px;
}

.matter-text {
  font-size: 9px;
  color: #fff;
  margin-top: 9px;
}