@media screen and (min-width: 768px) {
  .l-breadcrumb-inner {
    max-width: calc(57.5rem + 48px);
    padding-right: 1.5rem;
    padding-left: 1.5rem;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 60px;
  }
}

/* ベーススタイルの打ち消し */
article>*+* {
  margin-top: auto;
}

/* breadcrumb */
.c-breadcrumb__list {
  width: 100%;
  overflow: hidden;
  display: flex;
  flex-wrap: nowrap;
  gap: 28px;
}

.c-breadcrumb__item {
  width: fit-content;
  position: relative;
  font-size: 12px;
  white-space: nowrap;
}

.c-breadcrumb__item:last-child {
  color: #686868;
  overflow: hidden;
  text-overflow: ellipsis;
}

.c-breadcrumb__item::before {
  content: "";
  width: 7px;
  height: 7px;
  border-left: solid 1px #686868;
  border-bottom: solid 1px #686868;
  position: absolute;
  top: calc(50% + 1px);
  right: -16px;
  transform: translateY(-50%) rotate(-135deg);
}

.c-breadcrumb__item:last-child:before {
  display: none;
}

/* columnDetail */
.p-columnDetail {
  letter-spacing: 0.1em;
  line-height: 1.5;
  font-weight: 400;
  color: #231815;
}

.p-columnDetail__overview {
  padding: 0 40px;
}

.c-thumbnail {
  width: 100%;
  max-width: 675px;
  margin: 0 auto 40px;
}

.c-thumbnail img {
  margin-bottom: 10px;
}

.c-thumbnail p {
  font-size: 13px;
}

.c-message {
  border-top: 1px solid #686868;
  border-bottom: 1px solid #686868;
  padding: 20px 0;
  margin-bottom: 30px;
}

.c-message p {
  font-size: 20px;
}

.lines {
  letter-spacing: -0.1px;
}

.c-tags {
  display: flex;
  justify-content: left;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 10px;
}

.c-tags__item {
  border: 1px solid #231815;
  border-radius: 3px;
  padding: 7px 15px;
}

.c-title {
  margin-bottom: 40px;
}

.c-title h1 {
  font-weight: 700;
  font-size: 36px;
}

.c-meta {
  display: flex;
  align-items: center;
  justify-content: left;
  flex-wrap: nowrap;
  gap: 10px;
  margin-bottom: 20px;
}

.c-meta__category {
  font-size: 13px;
  background: #ececec;
  border-radius: 20px;
  padding: 8px 20px;
}

.c-meta__date {
  font-size: 13px;
}

.c-excerpt {
  line-height: 2.0;
  margin-bottom: 40px;
}

.c-toc {
  background: #f6f6f6;
  border-radius: 10px;
  padding: 40px 50px 50px;
}

.c-toc p {
  position: relative;
  border-bottom: 1px solid #231815;
  padding-left: 25px;
  padding-bottom: 10px;
  font-weight: 700;
  margin-bottom: 30px;
}

.c-toc p::before {
  content: "";
  width: 13px;
  height: 9px;
  background: url(../images/column/icon_toc.svg) no-repeat center/ contain;
  position: absolute;
  top: calc(50% - 3px);
  left: 0;
  transform: translateY(-50%);
}

.c-toc li {
  list-style: disc;
  list-style-position: inside;
  margin-bottom: 10px;
  color: #686868;
  text-indent: -1em;
  padding-left: 1em;
}

.c-toc li:hover {
  color: #231815;
  text-decoration: underline;
}

.p-columnDetail__body {
  margin-top: 60px;
  padding: 0 40px;
  margin-bottom: 60px;
}

.p-columnDetail__body-inner {
  padding-top: 60px;
  border-top: 1px solid #686868;
}

.p-columnDetail__section {
  padding-bottom: 60px;
  border-bottom: 1px solid #686868;
  margin-top: 60px;
}

.p-columnDetail__section:first-child {
  margin-top: 0;
}

.p-columnDetail__section:last-child {
  border-bottom: none;
}

.p-columnDetail__section h2 {
  font-size: 32px;
  font-weight: 700;
  padding-left: 20px;
  margin-bottom: 28px;
  position: relative;
}

.p-columnDetail__section h2::before {
  content: "";
  width: 5px;
  height: 40px;
  background: #231815;
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}

.p-columnDetail__section p {
  line-height: 2.0;
  margin-bottom: 40px;
}

.p-colimnDetail__section-img {
  width: 100%;
  max-width: 675px;
  margin: 0 auto 40px;
}

.p-colimnDetail__section-img img {
  margin-bottom: 10px;
}

.p-colimnDetail__section-img p {
  font-size: 13px;
  margin-bottom: 0;
  line-height: 1.5;
}

.p-columnDetail__section-note-item {
  font-size: 13px;
  display: flex;
  align-items: flex-start;
  gap: 13px;
}

.p-columnDetail__section-note-item span {
  padding-top: 5px;
}

.p-columnDetail__summary {
  border: 1px solid #231815;
  border-radius: 5px;
  padding: 40px 50px 50px;
}

.p-columnDetail__summary h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
}

.p-columnDetail__summary p {
  margin-bottom: 10px;
}

.c-otherColumn {
  padding: 0 40px;
}

.c-otherColumn__title {
  font-size: 28px;
  font-weight: 700;
  padding-bottom: 16px;
  border-bottom: 1px solid #686868;
  margin-bottom: 20px;
}

.c-otherColumn ul li {
  margin-bottom: 10px;
}

.c-otherColumn ul li a {
  color: #0000ee;
  text-decoration: underline;
}

.c-backBtn {
  padding: 80px 40px 0;
  text-align: right;
}

.c-backBtn a {
  display: inline-block;
}

.c-backBtn a p {
  position: relative;
  font-size: 14px;
  font-weight: 500;
  padding-right: 26px;
}

.c-backBtn a p::before {
  content: "";
  width: 18px;
  height: 18px;
  background: url(../images/column/icon_backBtn.svg) no-repeat center/ contain;
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
}

/* 画像(小)のスタイル調整 */
.u-imgSmall {
  width: 450px;
  margin: 0 auto;
}

.p-footer-snsBox {
  display: flex;
  align-items: center;
  gap: 20px;
}

@media screen and (max-width: 767px) {
  .l-breadcrumb {
    padding-right: 1.5rem;
    padding-left: 1.5rem;
    margin-bottom: 20px;
  }
  .p-columnDetail {
    letter-spacing: 0.05em;
    font-size: 14px;
  }
  .p-columnDetail__overview,.p-columnDetail__body,.c-otherColumn,.c-backBtn {
    padding-left: 0;
    padding-right: 0;
  }
  .c-thumbnail {
    margin: 0 auto 30px;
  }
  .c-thumbnail img {
    margin-bottom: 5px;
  }
  .c-thumbnail p {
    font-size: 12px;
  }
  .c-message p {
    font-size: 16px;
  }
  .lines {
    letter-spacing: -0.41px;
  }
  .c-tags__item {
    padding: 7px 10px;
    font-size: 14px;
  }
  .c-title {
    margin-bottom: 24px;
  }
  .c-title h1 {
    font-size: 28px;
  }
  .c-meta__category {
    font-size: 13px;
    padding: 6px 15px;
  }
  .c-meta__date {
    font-size: 12px;
  }
  .c-excerpt {
    margin-bottom: 30px;
  }
  .c-toc {
    padding: 30px 20px 33px;
  }
  .c-toc p {
    padding-left: 20px;
    margin-bottom: 20px;
  }
  .c-toc li {
    line-height: 1.7;
    margin-bottom: 14px;
  }
  .c-toc li:first-child {
    color: #686868;
    text-decoration: none;
  }
  .p-columnDetail__body {
    margin-top: 40px;
    margin-bottom: 40px;
  }
  .p-columnDetail__body-inner {
    padding-top: 40px;
  }
  .p-columnDetail__section {
    padding-bottom: 40px;
    margin-top: 40px;
  }
  .p-columnDetail__section h2 {
    font-size: 24px;
    margin-bottom: 18px;
  }
  .p-columnDetail__section h2::before {
    height: 66px;
  }
  .p-columnDetail__section p {
    margin-bottom: 28px;
  }
  .p-colimnDetail__section-img {
    margin: 0 auto 10px;
  }
  .p-colimnDetail__section-img p {
    font-size: 12px;
    margin-bottom: 0;
  }
  .p-columnDetail__section-note-item {
    font-size: 12px;
    gap: 12px;
  }
  .p-columnDetail__summary {
    padding: 40px 30px 30px;
  }
  .p-columnDetail__summary p {
    line-height: 2.0;
  }
  .c-otherColumn__title  {
    font-size: 22px;
    padding-bottom: 8px;
  }
  .c-otherColumn ul li {
    margin-bottom: 15px;
  }
  .c-backBtn {
    padding-top: 40px;
  }
  .u-imgSmall {
    width: 250px;
    margin-bottom: 20px !important;
  }
}