:root {
  --black: 51,51,51;
  --red: 238,0,59;
  --dark_red: 207,28,85;
  --main: 171,94,173;
  --accent: 227,55,129;
  --note: 102,102,102;
  --bg: 243,243,243;
  --gray: 153,153,153;
  --dark_gray: 167,167,167;
  --border: 210,211,212;
  --light_pink: 242,238,246;
  --beige: 242,238,230;
  --green: 92,198,172;
  --blue: 16,120,237;
  --purple: 195,129,203;
  --light_purple: 250,244,255;
  --pink_purple: 203,75,138;
  --blue: 87 129 234;
  --yellow: 255 183 3;
  --beauty_main: 233,83,131;
  --beauty_light_pink: 252,229,237;
  --contents_width: 1100px;
  --body_padding_side: 60px;
  --contents_width_with_padding: 1160px;
  --sidebar_width: 250px;
  --hover_opacity: .7;
}

/* .corporate-timeline
================================================ */
.corporate-timeline__list {
  border-left: 3px solid rgb(var(--main));
  margin-left: 5px;
  padding-left: 15px;
}
@media all and (min-width: 768px) {
  .corporate-timeline__list {
    margin-left: 0;
    padding-left: 35px;
  }
}
.corporate-timeline__item {
  display: flex;
  gap: 2em;
  position: relative;
  top: -7px;
}
@media all and (min-width: 768px) {
  .corporate-timeline__item {
    gap: 4em;
  }
}
.corporate-timeline__item + .corporate-timeline__item {
  margin-top: 20px;
}
@media all and (min-width: 768px) {
  .corporate-timeline__item + .corporate-timeline__item {
    margin-top: 40px;
  }
}
.corporate-timeline__item:last-child {
  padding-bottom: 1em;
}
.corporate-timeline__item::before {
  content: "";
  width: 15px;
  height: 15px;
  background-color: rgb(var(--main));
  border-radius: 100vmax;
  position: absolute;
  top: 5px;
  left: -24px;
}
@media all and (min-width: 768px) {
  .corporate-timeline__item::before {
    width: 18px;
    height: 18px;
    top: 7px;
    left: -45px;
  }
}
.corporate-timeline__term {
  color: rgb(var(--main));
  font-weight: bold;
  flex-shrink: 0;
}

/* .corporate-site
================================================ */
@media all and (min-width: 768px) {
  .corporate-site .c-btn01-list {
    width: 850px;
  }
  .corporate-site .c-btn01-list__item:nth-child(odd) {
    margin-right: 50px;
  }
  .corporate-site .c-btn01-list__item:nth-child(even) {
    margin-right: 0;
  }
  .corporate-site .c-btn01-list__item:nth-child(n+3) {
    margin-top: 30px;
  }
}

/* .corporate-effort
================================================ */
@media all and (min-width: 768px) {
  .corporate-effort .c-btn01-list {
    width: 850px;
  }
  .corporate-effort .c-btn01-list__item:nth-child(odd) {
    margin-right: 50px;
  }
  .corporate-effort .c-btn01-list__item:nth-child(even) {
    margin-right: 0;
  }
  .corporate-effort .c-btn01-list__item:nth-child(n+3) {
    margin-top: 30px;
  }
}