* {
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  margin: 0 auto;
  padding: 0;
}

body {
  margin-top: 10px;
  width: 100%;
  display: flex;
  width: 1280px;
  height: 720px;
}

#title_box {
  background-color: rgb(50, 50, 50);
  width: 280px;
  height: 720px;
  display: flex;
  border-right: 2px solid rgb(172, 155, 158);
  box-sizing: border-box;
  flex-wrap: wrap;
}

#title_box .up {
  display: flex;
  align-items: center;
  color: rgb(172, 155, 158);
  font-style: italic;
  font-weight: bold;
  font-size: 30pt;
  line-height: 50px;
  font-family: "Times New Roman", Times, serif;
}

#title_box .down {
  display: flex;
  font-size: 10pt;
  align-items: flex-end;
  color: rgb(172, 155, 158);
  line-height: 16px;
  margin-bottom: 20px;
  text-align: center;
}

nav {
  width: 100%;
  height: 120px;
  display: flex;
  background-color: rgb(50, 50, 50);
  border-bottom: 2px solid rgb(172, 155, 158);
  box-sizing: border-box;
  justify-content: flex-end;
  align-items: flex-end;
}

nav .mail {
  margin: 0 10px 10px 0;
  width: 30px;
  height: 30px;
}

#content_box {
  display: flex;
  width: 100%;
  min-height: 600px;
  flex-wrap: wrap;
  background-color: rgb(50, 50, 50);
}
#content_box > a {
  display: flex;
  flex-wrap: wrap;
  width: 250px;
}
#content_box .numbering_box {
  width: 250px;
  height: 600px;
  padding: 70px 40px;
  box-sizing: border-box;
  display: flex;
  flex-wrap: wrap;
  color: lightgray;
  opacity: 0.4;
  background-image: url("../rsc/back.png");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: -250px center;
  transition: background-position 0.5s ease;
}
#content_box .numbering_box > .number {
  margin-left: 0;
  font-size: 30pt;
  font-weight: 900;
  border-bottom: 2px solid lightgray;
  margin-bottom: 20px;
}
#content_box .numbering_box > .content_text {
  height: 250px;
}
#content_box .numbering_box > .content_text > p:first-of-type {
  margin: 20px auto;
  background-color: transparent;
  color: #fff;
  font-size: 20px;
  font-weight: 1000;
}
#content_box .numbering_box > .content_text > p:not(:first-of-type) {
  margin: 40;
  background-color: transparent;
  color: #fff;
  font-size: 15px;
  font-weight: 400;
}
#content_box .numbering_box img {
  width: 100%;
  object-fit: contain;
  transition: transform 0.5s ease;
  transform-origin: left bottom;
}
#content_box .numbering_box:hover {
  opacity: 1;
  background-position: 0px center;
}
#content_box .numbering_box:hover img {
  transform: scale(1.15);
  transition: transform 0.5s ease;
}/*# sourceMappingURL=index.css.map */