/* =======================================================
common
======================================================= */
.c-ttl {
  font-size: 28px;
  font-weight: 700;
  line-height: calc(41/28);
  text-align: center;
  letter-spacing: 0.06em;
}

.c-ttl-bg-lbl {
  padding: 8px 16px 10px;
  margin-bottom: 32px;
  font-size: 26px;
  font-weight: 700;
  line-height: calc(38/26);
  color: var(--color-white);
  text-align: center;
  letter-spacing: 0.06em;
  background: var(--color-accent);
}

.c-about-txt {
  text-align: center;
}
.c-about-box:not(:last-of-type) {
  margin-bottom: 56px;
}
.c-about-container:not(:first-of-type) {
  margin-top: 48px;
}
.c-about-container .c-container-ttl {
  font-size: 20px;
  font-weight: 700;
  line-height: calc(29/20);
  text-align: center;
}
.c-about-container .c-container-ttl + .c-container-txt {
  margin-top: 24px;
}
.c-about-container .c-container-txt {
  text-align: center;
}
.c-about-container .c-container-txt + .c-container-btn {
  margin-top: 32px;
}
.c-about-container .c-container-btn {
  margin-inline: auto;
  color: var(--color-black);
  background: var(--color-contrast);
  border: 1px solid var(--color-accent);
}
.c-about-container .c-container-btn.--flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
}
.c-about-container .c-container-btn.--flow::before {
  content: "";
}
.c-about-container .c-container-btn.--flow::after {
  justify-self: end;
  width: 0;
  height: 0;
  content: "";
  border-color: var(--color-accent) transparent transparent;
  border-style: solid;
  border-width: 8px 5px 0;
}
.c-about-container .c-container-btn.--arrow::after {
  background: url("../images/common/c-btn-arrow--blue.svg") top center/contain no-repeat;
}

@media screen and (width <= 750px) {
  .c-ttl {
    font-size: 40px;
  }
  .c-ttl-bg-lbl {
    padding: 12px 24px 15px;
    margin-top: 80px;
    font-size: 36px;
  }
  .c-about-txt {
    text-align: left;
  }
  .c-about-box:not(:last-of-type) {
    margin-bottom: 80px;
  }
  .c-about-container:not(:first-of-type) {
    margin-top: 64px;
  }
  .c-about-container .c-container-ttl {
    font-size: 30px;
  }
  .c-about-container .c-container-ttl + .c-container-txt {
    margin-top: 32px;
  }
  .c-about-container .c-container-txt {
    text-align: left;
  }
  .c-about-container .c-container-txt + .c-container-btn {
    margin-top: 48px;
  }
  .c-about-container .c-container-btn {
    border-width: 2px;
  }
  .c-about-container .c-container-btn.--flow::after {
    border-width: 12px 7.5px 0;
  }
}
/* =======================================================
intro
======================================================= */
.ly-intro {
  padding: 40px 0 48px;
}

.bl-intro-txt {
  font-size: 20px;
  font-weight: 700;
  text-align: center;
}

@media screen and (width <= 750px) {
  .ly-intro {
    padding: 56px 0 80px;
  }
  .bl-intro-txt {
    font-size: 30px;
  }
}
/* =======================================================
about
======================================================= */
.ly-about {
  padding-bottom: 56px;
}

.bl-about-caution .bl-caution-list {
  display: grid;
  gap: 56px;
}
.bl-about-caution .bl-caution-item .bl-item-ttl {
  position: relative;
  margin-bottom: 24px;
  font-size: 24px;
  font-weight: 700;
  text-align: center;
}
.bl-about-caution .bl-caution-item .bl-item-txt.--center {
  text-align: center;
}
.bl-about-caution .bl-caution-item .bl-item-inner {
  max-width: 848px;
  margin: 0 auto;
}
.bl-about-caution .bl-caution-item .bl-item-att {
  margin-top: 80px;
  font-size: 18px;
  font-weight: 700;
  text-align: center;
}
.bl-about-caution .bl-caution-item .bl-bullet-item {
  font-size: 20px;
}
.bl-about-caution .bl-caution-item .bl-bullet-item-inner .el-att {
  margin-top: calc(8/14 * 1em);
}
.bl-about-caution .bl-caution-def {
  margin-top: 32px;
}
.bl-about-caution .bl-caution-def-wrapper {
  padding: 56px 134px;
  margin-top: 32px;
  background: var(--color-contrast);
}
.bl-about-caution .bl-caution-dttl {
  margin-bottom: 24px;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-accent);
}
.bl-about-caution .bl-caution-ditem .bl-ditem-list {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
}
.bl-about-caution .bl-caution-ditem .bl-ditem-list.--num {
  counter-reset: num;
}
.bl-about-caution .bl-caution-ditem .bl-ditem-list.--num .bl-ditem-item {
  counter-increment: num;
}
.bl-about-caution .bl-caution-ditem .bl-ditem-list.--num .bl-ditem-item::before {
  content: counter(num, decimal-leading-zero);
}
.bl-about-caution .bl-caution-ditem .bl-ditem-list.--num.--next {
  counter-reset: num 3;
}
.bl-about-caution .bl-caution-ditem .bl-ditem-list.--knum {
  counter-reset: knum;
}
.bl-about-caution .bl-caution-ditem .bl-ditem-list.--knum .bl-ditem-item {
  counter-increment: knum;
}
.bl-about-caution .bl-caution-ditem .bl-ditem-list.--knum .bl-ditem-item::before {
  content: "K" counter(knum, decimal-leading-zero);
}
.bl-about-caution .bl-caution-ditem .bl-ditem-item {
  display: inline-grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: center;
}
.bl-about-caution .bl-caution-ditem .bl-ditem-item::before {
  display: grid;
  place-content: center;
  width: 32px;
  height: 32px;
  font-size: 14px;
  color: var(--color-white);
  background: var(--color-accent);
  border-radius: 50%;
}
.bl-about-caution .bl-caution-ditem + .bl-caution-dttl {
  margin-top: 40px;
}
.bl-about-ttl {
  margin-bottom: 40px;
}
.bl-about-feature {
  padding: 40px 56px;
  margin-bottom: 56px;
  background: var(--color-contrast);
}
.bl-about-feature .bl-feature-ttl {
  margin-bottom: 32px;
  font-size: 26px;
  font-weight: 700;
  line-height: calc(38/26);
  color: var(--color-accent);
  text-align: center;
  letter-spacing: 0.06em;
}
.bl-about-feature .bl-feature-list {
  display: grid;
  gap: 16px;
  margin-top: 32px;
}
.bl-about-feature .bl-feature-item {
  display: grid;
  grid-template-columns: 62px 1fr;
  padding: 24px;
  background: var(--color-white);
}
.bl-about-feature .bl-feature-item::before {
  margin-top: 5px;
  content: "";
}
.bl-about-feature .bl-feature-item:first-of-type::before {
  width: 28px;
  margin-top: 7px;
  background: url("../images/common/01.svg") top center/contain no-repeat;
}
.bl-about-feature .bl-feature-item:nth-of-type(2)::before {
  width: 34px;
  background: url("../images/common/02.svg") top center/contain no-repeat;
}
.bl-about-feature .bl-feature-item:nth-of-type(3)::before {
  width: 34px;
  background: url("../images/common/03.svg") top center/contain no-repeat;
}
.bl-about-feature .bl-feature-item:nth-of-type(4)::before {
  width: 38px;
  background: url("../images/common/04.svg") top center/contain no-repeat;
}
.bl-about-feature .bl-feature-item .bl-item-ttl {
  font-size: 20px;
  font-weight: 700;
  line-height: calc(29/20);
}
.bl-about-feature .bl-feature-item .bl-item-txt {
  padding-top: 9px;
  margin-top: 8px;
  border-top: 1px solid var(--color-gray02);
}
.bl-about-link {
  position: relative;
  display: grid;
  place-content: center;
  width: 496px;
  height: 170px;
  padding-bottom: 2px;
  margin: 0 auto 56px;
  font-size: 24px;
  font-weight: 700;
  line-height: calc(74/48);
  color: var(--color-white);
  text-align: center;
  background: url("../images/web-application/web-system-bnr.webp") top center/cover no-repeat;
}
.bl-about-link::after {
  position: absolute;
  right: 8px;
  bottom: 8px;
  width: 34px;
  height: 8px;
  content: "";
  background: url("../images/common/c-btn-arrow.svg") top center/contain no-repeat;
}

@media screen and (width <= 750px) {
  .ly-about {
    padding-bottom: 80px;
  }
  .bl-about-caution .bl-caution-list {
    gap: 64px;
  }
  .bl-about-caution .bl-caution-item .bl-item-ttl {
    padding-bottom: 32px;
    font-size: 32px;
  }
  .bl-about-caution .bl-caution-item .bl-item-att {
    font-size: 30px;
  }
  .bl-about-caution .bl-caution-item .bl-item-txt.--center {
    text-align: left;
  }
  .bl-about-caution .bl-caution-item .bl-bullet-item {
    font-size: 30px;
  }
  .bl-about-caution .bl-caution-def {
    margin-top: 48px;
  }
  .bl-about-caution .bl-caution-def-wrapper {
    padding: 32px 40px 40px;
    margin-top: 48px;
  }
  .bl-about-caution .bl-caution-dttl {
    margin-bottom: 32px;
    font-size: 30px;
  }
  .bl-about-caution .bl-caution-ditem .bl-ditem-list {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 24px;
  }
  .bl-about-caution .bl-caution-ditem .bl-ditem-item {
    gap: 24px;
  }
  .bl-about-caution .bl-caution-ditem .bl-ditem-item::before {
    width: 48px;
    height: 48px;
    font-size: 24px;
  }
  .bl-about-caution .bl-caution-ditem + .bl-caution-dttl {
    margin-top: 64px;
  }
  .bl-about-ttl {
    margin-bottom: 64px;
  }
  .bl-about-feature {
    padding: 32px 40px;
    margin-bottom: 80px;
  }
  .bl-about-feature .bl-feature-ttl {
    margin-bottom: 48px;
    font-size: 36px;
  }
  .bl-about-feature .bl-feature-list {
    gap: 24px;
    margin-top: 48px;
  }
  .bl-about-feature .bl-feature-item {
    grid-template-columns: 93px 1fr;
    padding: 32px;
  }
  .bl-about-feature .bl-feature-item::before {
    margin-top: 7.5px;
  }
  .bl-about-feature .bl-feature-item:first-of-type::before {
    width: 42px;
    margin-top: 10.5px;
  }
  .bl-about-feature .bl-feature-item:nth-of-type(2)::before {
    width: 51px;
  }
  .bl-about-feature .bl-feature-item:nth-of-type(3)::before {
    width: 51px;
  }
  .bl-about-feature .bl-feature-item:nth-of-type(4)::before {
    width: 57px;
  }
  .bl-about-feature .bl-feature-item .bl-item-ttl {
    font-size: 30px;
  }
  .bl-about-feature .bl-feature-item .bl-item-txt {
    padding-top: 13.5px;
    margin-top: 12px;
    border-width: 2px;
  }
  .bl-about-link {
    width: 100%;
    height: 255px;
    padding-bottom: 3px;
    font-size: 32px;
  }
  .bl-about-link::after {
    right: 12px;
    bottom: 12px;
    width: 51px;
    height: 12px;
  }
}