/* ===========================
   Page: 投稿詳細
=========================== */

/* --------------------------------
   Page Body
-------------------------------- */
.single-body {
   background: var(--color-white);
   padding: var(--header-top) 0 84px;
   border-radius: 0 0 72px 72px;
   z-index: 1;
   position: relative;
}

@media (max-width: 767px) {
   .single-body {
      padding-bottom: 50px;
      border-radius: 0 0 36px 36px;
   }
}

/* --------------------------------
   Breadcrumb
-------------------------------- */
.single-body .breadcrumb {
   max-width: 1260px;
   margin: 0 auto;
   padding: 40px 40px;
}

@media (max-width: 767px) {
   .single-body .breadcrumb {
      padding: 16px 20px;
   }

   .single-body .breadcrumb li {
      font-size: 11px;
   }
}

/* --------------------------------
   Single Inner Container
-------------------------------- */
.single-inner {
   max-width: 1144px;
   margin: 0 auto;
   padding: 0 40px;
}

@media (max-width: 767px) {
   .single-inner {
      padding: 0 20px;
   }
}

/* --------------------------------
   Single Header（カテゴリ・日付・タイトル）
-------------------------------- */
.single-header {
   padding: 18px 0 80px;
}

@media (max-width: 767px) {
   .single-header {
      padding: 40px 0 23px;
   }
}

/* --------------------------------
   Post Meta（カテゴリ＋日付）
-------------------------------- */
.single-meta {
   display: flex;
   align-items: center;
   gap: 20px;
   margin-bottom: 24px;
}

.single-meta-cat {
   display: inline-block;
   font-size: 12px;
   font-weight: 500;
   padding: 4px 14px;
   border-radius: var(--radius-pill);
   background: #E4EDEB;
   color: #545756;
   white-space: nowrap;
}

.single-meta-date {
   font-size: 16px;
   font-weight: 700;
   color: var(--color-text);
   white-space: nowrap;
}

@media (max-width: 767px) {
   .single-meta {
      gap: 10px;
      margin-bottom: 10px;
   }

   .single-meta-cat {
      font-size: 10px;
      padding: 2px 10px;
   }

   .single-meta-date {
      font-size: 13px;
   }
}

/* --------------------------------
   Post Title
-------------------------------- */
.single-title {
   font-size: 40px;
   font-weight: 500;
   line-height: 130%;
}

@media (max-width: 767px) {
   .single-title {
      font-size: 29px;
   }
}

/* --------------------------------
   Thumbnail
-------------------------------- */
.single-thumbnail {
   margin-bottom: 80px;
}

.single-thumbnail__img {
   width: 100%;
   max-width: 1050px;
   aspect-ratio: 1050 / 630;
   height: auto;
   object-fit: contain;
   display: block;
   margin: 0 auto;
   border-radius: 8px;
}

@media (max-width: 767px) {
   .single-thumbnail {
      margin-bottom: 45px;
   }
}

/* --------------------------------
   Post Content
-------------------------------- */
.single-content {
   font-size: 16px;
   line-height: 200%;
   color: var(--color-text);
   max-width: 854px;
   margin: 0 auto 80px;
}

.single-content img {
   width: 100%;
   max-width: 1050px;
   aspect-ratio: 1050 / 630;
   height: auto;
   object-fit: contain;
   display: block;
   margin: 0 auto 56px;
   border-radius: 8px;
}

.single-content p {
   font-size: 16px;
   margin-bottom: 56px;
   line-height: 175%;
}

.single-content p:last-child {
   margin-bottom: 0;
}

.single-content h2 {
   color: var(--color-green-dark);
   font-size: 32px;
   font-weight: 500;
   line-height: 130%;
   margin: 56px 0;
}

.single-content h3 {
   font-size: 28px;
   font-weight: 700;
   margin: 56px 0;
   padding-bottom: 10px;
   line-height: 150%;
   position: relative;
}

.single-content h3::after {
   content: '';
   position: absolute;
   bottom: 0;
   left: 0;
   width: 50px;
   height: 1px;
   background: var(--color-green);
}

.single-content h4 {
   font-size: 24px;
   font-weight: 700;
   line-height: 150%;
   margin: 56px 0;
}

.single-content img {
   max-width: 100%;
   height: auto;
}

.single-content blockquote {
   background: var(--color-bg-box);
   font-size: 16px;
   line-height: 200%;
   padding: 20px 30px;
   margin: 56px 0;
}

.single-content a {
   color: var(--color-link);
   text-decoration: underline;
}

.single-content .wp-element-button {
   color: var(--color-white);
   text-decoration: none;
}

@media (max-width: 767px) {
   .single-content {
      margin-bottom: 35px;
   }

   .single-content p {
      margin-bottom: 35px;
   }

   .single-content h2 {
      margin: 35px 0;
      font-size: 26px;
   }

   .single-content h3 {
      margin: 35px 0;
      font-size: 21px;
   }

   .single-content h3::after {
      width: 25px;
   }

   .single-content h4 {
      margin: 35px 0;
      font-size: 18px;
   }

   .single-content blockquote {
      margin: 35px 0;
      padding: 25px 15px;
   }
}

/* --------------------------------
   Post Navigation（前後記事）
-------------------------------- */
.single-post-nav {
   display: flex;
   align-items: center;
   justify-content: space-between;
   padding: 40px 0 60px;
}

.single-post-nav__prev,
.single-post-nav__center,
.single-post-nav__next {
   flex: 1;
   display: flex;
}

.single-post-nav__next {
   justify-content: flex-end;
}

.single-post-nav .btn-link-arrow--center {
   justify-content: center;
   margin: 0 auto;
   padding: 0;
}

.single-post-nav__btn {
   display: inline-flex;
   align-items: center;
   gap: 20px;
   padding: 16px 28px;
   border-radius: var(--radius-pill);
   border: 1.5px solid var(--color-border);
   background: var(--color-white);
   color: var(--color-text);
   text-decoration: none;
   font-size: 15px;
   font-weight: 500;
   transition: opacity 0.2s ease;
   min-width: 280px;
   justify-content: space-between;
}

.single-post-nav__btn:hover {
   opacity: 0.6;
}

.single-post-nav__arrow {
   flex-shrink: 0;
}

@media (max-width: 1024px) {
   .single-post-nav {
      flex-wrap: wrap;
      justify-content: flex-start;
      gap: 15px;
      padding: 0;
   }

   .single-post-nav__prev,
   .single-post-nav__next {
      flex: 0 0 calc(50% - 7.5px);
      width: calc(50% - 7.5px);
   }

   .single-post-nav__prev {
      order: 1;
   }

   .single-post-nav__next {
      order: 2;
   }

   .single-post-nav__center {
      flex: 0 0 100%;
      order: 3;
      width: 100%;
   }

   .single-post-nav .btn-link-arrow--center {
      width: 100%;
   }

   .single-post-nav__prev .btn-link-arrow,
   .single-post-nav__next .btn-link-arrow {
      width: 100%;
      margin: 0;
   }

   .single-post-nav__prev .btn-link-arrow {
      padding: 0 10px 0 15px;
   }

   .single-post-nav__next .btn-link-arrow {
      padding: 0 15px 0 10px;
   }

   .single-post-nav__next {
      justify-content: flex-start;
   }

   .single-post-nav__btn {
      width: 100%;
      min-width: 0;
      font-size: 14px;
      padding: 14px 20px;
   }
}