/* ============================================================
common
===============================================================*/
body {
  font-family: var(--font-hiragino);
}

.article-catlist {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: calc(5 * var(--rpx));
}

.article-cat , .article-cat--single {
  display: block;
  width: max-content;
  padding: calc(6 * var(--rpx)) calc(20 * var(--rpx));
  font-weight: 600;
  font-size: calc(14 * var(--rpx));
  line-height: 1;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-pill);
  background-color: #fff;
}

.article-cat--single {
  font-size: calc(17 * var(--rpx));
}

.category-section {
  width: 85.4%;
  margin-inline: auto;
  margin-top: calc(52 * var(--rpx));
}

.category-wrapper {
  width: 100%;
  border: 1px solid var(--color-primary);
  border-radius: calc(52 * var(--rpx));
  padding: calc(45 * var(--rpx)) calc(55 * var(--rpx)) calc(10 * var(--rpx));
  background-color: #fff;
  box-sizing: border-box;
}

.category-title-wrapper {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: calc(45 * var(--rpx));
  margin-bottom: calc(35 * var(--rpx));
}

.category-title-icon {
  display: block;
  width: calc(36 * var(--rpx));
  height: auto;
}

.category-title {
  font-family: var(--font-gothic);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-grow: 1;
  font-size: calc(32 * var(--rpx));
  font-weight:600;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--color-primary);
}

.category-title[data-en]::after{
  content: attr(data-en);
  display: block;
  font-family: var(--font-gothic);
  font-size: calc(17 * var(--rpx));
  font-weight: 600;
  line-height: 1;
  color: var(--color-border-gray);;
}

.category-item {
  display: block;
  border-top: calc(2 * var(--rpx)) dashed var(--color-border-dashed);
}

.category-link {
  color: var(--color-black);
  font-weight: 500;
  font-size: calc(25 * var(--rpx));
  line-height: 1;
  display: block;
  padding: calc(34 * var(--rpx)) calc(12 * var(--rpx));
  transition: color ease .3s;
}

.category-link:hover {
  color: var(--color-primary);
}

.return-top {
  font-weight: 600;
  letter-spacing: .08em;
  line-height: 1;
  color: var(--color-primary);
  display: block;
  max-width: max-content;
  margin: calc(68 * var(--rpx)) auto;
  transition: opacity ease .3s;
}

.return-top:hover {
  opacity: 0.7;
}

.head-category {
  background-color: #fff;
  width: 82.3%;
  border-radius: calc(52 * var(--rpx));
  margin: 0 auto;
  margin-bottom: calc(40 * var(--rpx));
}

.head-category-button {
  font-size: calc(28 * var(--rpx));
  font-weight: 500;
  color: var(--color-black);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  border: none;
  background-color: transparent;
  cursor: pointer;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  column-gap: calc(44 * var(--rpx));
  padding: calc(35 * var(--rpx)) calc(40 * var(--rpx));
}

.head-category-title-icon {
  display: block;
  width: calc(33 * var(--rpx));
  height: auto;
  aspect-ratio: 1 / 1;
  flex: none;
}

.head-category-title {
  text-align: left;
  flex: 1;
}

.head-category-icon {
  position: relative;
  display: block;
  width: calc(21 * var(--rpx));
  height: calc(21 * var(--rpx));
  flex-shrink: 0;
}

.head-category-icon::before,
.head-category-icon::after {
  content: '';
  position: absolute;
  background-color: var(--color-primary);
  border-radius: 9999px;
}

.head-category-icon::before {
  width: 100%;
  height: 2px;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
}

.head-category-icon::after {
  width: 2px;
  height: 100%;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  transition: transform .3s, opacity .3s;
}

.head-category-button.is-open .head-category-icon::after {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}

.head-category-list {
  display: none;
  padding: 0 calc(40 * var(--rpx)) calc(35 * var(--rpx));
}

.head-category-item {
  display: block;
  border-top: calc(2 * var(--rpx)) dashed var(--color-border-dashed);
}

.head-category-item:last-child .head-category-link{
  padding-bottom: 0;
}

.head-category-link {
  color: var(--color-black);
  font-weight: 500;
  font-size: calc(24 * var(--rpx));
  line-height: 1;
  display: block;
  padding: calc(30 * var(--rpx)) calc(12 * var(--rpx));
  transition: color ease .3s;
}

.head-category-link:hover {
  color: var(--color-primary);
}

/* ============================================================
archive
===============================================================*/
.archive-section {
  padding: calc(75 * var(--rpx)) 0;
  background-color: #f1f6f7;
  border-radius: calc(40 * var(--rpx));
  margin-bottom: calc(52 * var(--rpx));
}

.archive-title {
  width: calc(514 * var(--rpx));
  margin: calc(115 * var(--rpx)) auto calc(65 * var(--rpx));
}

.archive-inner {
  width: 85.4%;
  margin-inline: auto;
}

.archive-sub-title {
  font-family: var(--font-gothic);
  font-size: calc(45 * var(--rpx));
  font-weight: 500;
  letter-spacing: .02em;
  text-align: center;
  line-height: 1;
  color: var(--color-primary);
  margin-bottom: calc(20 * var(--rpx));
}

.archive-post-count {
  font-size: calc(17 * var(--rpx));
  font-weight: 700;
  letter-spacing: .14em;
  text-align: center;
  line-height: 1;
}

.archive-article-list {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: calc(60 * var(--rpx));
  margin-top: calc(63 * var(--rpx));
}

.archive-article-item{
  display: block;
  width: calc(50% - 30 * var(--rpx));
}

.archive-article-item a{
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: calc(20 * var(--rpx));
  width: 100%;
  height: 100%;
  transition: opacity .3s;
}

.archive-article-item a:hover {
  opacity: 0.6;
}

.archive-article-thumb {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  object-position: center;
  background-color: #fff;
  display: block;
  border-radius: calc(20 * var(--rpx));
}

.archive-article-detail{
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: calc(8 * var(--rpx)) calc(22 * var(--rpx));
  margin-bottom: calc(20 * var(--rpx));
}

.archive-article-date {
  font-family: var(--font-gothic);
  font-size: calc(18 * var(--rpx));
  font-weight: 400;
  letter-spacing: .04em;
  line-height: 1;
  color:#535353;
  margin-top: calc(6 * var(--rpx));
}

.archive-article-title {
  --titlelh: 1.46;
  font-size: calc(22 * var(--rpx));
  font-weight: 600;
  letter-spacing: .08em;
  line-height: var(--titlelh);
  color: var(--color-black);
}

.archive-article-title::before {
  content: '';
  display: block;
  margin-top: calc((1 - var(--titlelh)) * 0.5em);
}

/* ============================================================
pagination
===============================================================*/

.archive-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: calc(10 * var(--rpx));
  margin-top: calc(52 * var(--rpx));
}

.archive-pagination a,
.archive-pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: calc(80 * var(--rpx));
  height: calc(60 * var(--rpx));
  border: 1px solid var(--color-primary);
  border-radius: calc(33 * var(--rpx));
  font-size: calc(24 * var(--rpx));
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  transition: opacity .3s;
}

.archive-pagination a:hover {
  opacity: 0.7;
}

.archive-pagination .current {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.archive-pagination a img {
  width: calc(20 * var(--rpx));
  height: auto;
  display: block;
}

.archive-pagination .prev {
  transform: scaleX(-1);
}

.archive-pagination .dots {
  border: none !important;
  margin: 0 -1em !important;
}

/* ============================================================
single
===============================================================*/

.single-section {
  padding: calc(85 * var(--rpx)) 0 0;
}

.single-wrapper {
  width: 89.6%;
  margin-inline: auto;
}

.single-detail-meta {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: calc(8 * var(--rpx)) calc(28 * var(--rpx));
  margin-bottom: calc(20 * var(--rpx));
}

.single-detail-date {
  font-family: var(--font-gothic);
  font-size: calc(22 * var(--rpx));
  font-weight: 400;
  letter-spacing: .04em;
  line-height: 1;
  color:#535353;
  margin-top: calc(4 * var(--rpx));
}

.single-title {
  font-family: var(--font-gothic);
  font-size: calc(34 * var(--rpx));
  font-weight: 600;
  letter-spacing: .08em;
  line-height: 1.61;
  margin-left: -.05em;
  margin-bottom: calc(20 * var(--rpx));
}

.single-thumb {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  object-position: center;
  background-color: #F1F6F7;
  border-radius: calc(28 * var(--rpx));
}

.single-content p {
  font-size: calc(24 * var(--rpx));
  letter-spacing: 0;
  line-height: 1.67;
}

.single-content p:not(:last-child) {
  margin-bottom: 1em;
}

.single-content a {
  font-size: calc(24 * var(--rpx));
  color: var(--color-primary);
  text-decoration: underline;
  transition: opacity .3s;
}

.single-content a:hover {
  opacity: 0.7;
}

.single-content h2, .single-content h3, .single-content h4, .single-content h5 , .single-content h6 {
  font-family: var(--font-gothic);
  font-size: calc(30 * var(--rpx));
  font-weight: 600;
  letter-spacing: .06em;
  line-height: 1.33;
  margin-bottom: calc(35 * var(--rpx));
  margin-top: calc(60 * var(--rpx));
  word-break: break-all;
}

.single-content h2 {
  color: var(--color-primary);
  padding: calc(30 * var(--rpx));
  border-radius: calc(13 * var(--rpx));
  background-color: var(--color-bg-blue-light);
}

.single-content h3 {
  display: flex;
  align-items: flex-start;
  column-gap: calc(10 * var(--rpx));
  padding-bottom: calc(15 * var(--rpx));
  border-bottom: calc(2 * var(--rpx)) dashed var(--color-border-dashed);
}

.single-content h3::before {
  content: '';
  display: block;
  width: calc(22 * var(--rpx));
  height: auto;
  aspect-ratio: 22 / 30;
  background-image: url('../images/single-h3.png');
  background-repeat: no-repeat;
  background-size: contain;
  margin-top: calc(7 * var(--rpx));
}

.single-content h4 {
  display: flex;
  gap: calc(10 * var(--rpx));
}

.single-content h4::before {
  content: '';
  display: block;
  width: calc(4 * var(--rpx));
  height: auto;
  background-color: var(--color-primary);
  flex: none;
  border-radius: calc(2 * var(--rpx));
  margin: calc(-6 * var(--rpx)) 0;
}

.single-content h5 {
  display: flex;
  align-items: center;
  gap: calc(10 * var(--rpx));
}

.single-content h5::before {
  content: '';
  display: block;
  width: calc(12 * var(--rpx));
  height: auto;
  aspect-ratio: 1 / 1;
  flex: none;
  background-color: var(--color-primary);
  border-radius: calc(6 * var(--rpx));
}

.single-content .wp-block-list li {
  font-size: calc(24 * var(--rpx));
  display: flex;
}

.single-content .wp-block-list li::before {
  content: '・';
  display: block;
  flex: none;
}

.single-content ol.wp-block-list {
  counter-reset: ol-counter;
}

.single-content ol.wp-block-list li {
  display: flex;
  counter-increment: ol-counter;
  margin-left: .35em;                                   
}

.single-content ol.wp-block-list li::before {
  content: counter(ol-counter)'.';
}

.single-content figure {
  margin-top: 1em;
}

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

.single-content blockquote {
  font-size: calc(24 * var(--rpx));
  line-height: 1.67;
  margin-top: 1em;
  padding: calc(30 * var(--rpx));
  border-radius: calc(13 * var(--rpx));
  background-color: #f6f6f6;
}

.single-other {
  margin-top: calc(60 * var(--rpx));
}

.single-other-item {
  display: flex;
  column-gap: calc(33 * var(--rpx));
  border-top: 1px solid var(--color-border-dashed);
  border-bottom: 1px solid var(--color-border-dashed);
  padding: calc(30 * var(--rpx)) 0;
  transition: opacity .3s;
}

.single-other-item:hover {
  opacity: 0.6;
}

.single-other-thumb {
  display: block;
  width: calc(146 * var(--rpx));
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  object-position: center;
  background-color: #F1F6F7;
  border-radius: calc(19 * var(--rpx));
  flex: none;
}

.single-other-date {
  font-family: var(--font-gothic);
  font-size: calc(16 * var(--rpx));
  font-weight: 500;
  line-height: 1;
  color:#535353;
  margin-top: calc(6 * var(--rpx));
}

.single-other-meta {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: calc(8 * var(--rpx)) calc(20 * var(--rpx));
  margin-bottom: calc(15 * var(--rpx));
}

.single-other-title {
  font-family: var(--font-gothic);
  font-size: calc(20 * var(--rpx));
  font-weight: 600;
  letter-spacing: .08em;
  line-height: 1.46;
  color: var(--color-black);
}

/* ============================================================
single pager
===============================================================*/

.single-pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: calc(16 * var(--rpx));
  padding: calc(60 * var(--rpx)) 0 calc(30 * var(--rpx));
}

.single-pager-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: calc(110 * var(--rpx));
  height: calc(70 * var(--rpx));
  border: 1.5px solid var(--color-primary);
  border-radius: calc(38 * var(--rpx));
  text-decoration: none;
  transition: opacity .3s;
  flex-shrink: 0;
}

.single-pager-arrow img {
  width: calc(20 * var(--rpx));
  height: auto;
  display: block;
}

.single-pager-arrow--prev img {
  transform: scaleX(-1);
}

.single-pager-arrow--disabled {
  opacity: 0;
  pointer-events: none;
}

.single-pager-arrow:hover {
  opacity: 0.7;
}

.single-pager-back {
  font-family: var(--font-gothic);
  font-size: calc(24 * var(--rpx));
  font-weight: 600;
  letter-spacing: .04em;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  max-width: max-content;
  background-color: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
  border-radius: calc(38 * var(--rpx));
  padding: calc(25 * var(--rpx)) calc(70 * var(--rpx));
  transition: opacity .3s;
}

.single-pager-back:hover {
  opacity: 0.8;
}

/* ============================================================
toc
===============================================================*/

div#ez-toc-container {
  border: none;
  box-sizing: border-box;
  padding: calc(50 * var(--rpx)) calc(40 * var(--rpx));
  border-radius: calc(13 * var(--rpx));
  margin: calc(50 * var(--rpx)) 0 !important;
  box-shadow: none;
}

div#ez-toc-container .ez-toc-title {
  font-family: var(--font-gothic);
  font-size: calc(32 * var(--rpx));
  font-weight: 600 !important;
  letter-spacing: .06em;
  line-height: 1;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: calc(20 * var(--rpx));
  padding-bottom: calc(40 * var(--rpx));
}


div#ez-toc-container .ez-toc-title::after {
  content: 'CONTENTS';
  display: block;
  font-size: calc(13 * var(--rpx));
  line-height: 1;
  letter-spacing: .04em;
  margin-top: calc(2 * var(--rpx));
}

div#ez-toc-container ul li{
  font-size: calc(22 * var(--rpx));
  font-family: var(--font-hiragino);
  font-weight: 500;
  padding: calc(40 * var(--rpx)) 0;
  border-top: calc(2 * var(--rpx)) dashed var(--color-border-dashed);
  word-break: break-all;
}

div#ez-toc-container a {
  column-gap: calc(18 * var(--rpx));
}

.ez-toc-counter nav ul li a::before {
  content: counters(item, '.', decimal-leading-zero);  
  font-size: calc(20 * var(--rpx)) !important;
  font-family: "Hiragino Sans", "ヒラギノ角ゴシック", "Hiragino Kaku Gothic ProN", "Zen Kaku Gothic New", sans-serif;
  font-weight: 600;
  margin-right: 0 !important;
}

body div#ez-toc-container nav ul ul li {
  font-size: calc(20 * var(--rpx)) !important;
}

div#ez-toc-container ul li ul {
  padding: 0;
}

div#ez-toc-container ul li a {
  margin-bottom: calc(15 * var(--rpx));
}

div#ez-toc-container ul li > ul {
  margin-left: 1.5em;
}

div#ez-toc-container ul li > ul li > ul {
  margin-left: 0;
}

div#ez-toc-container ul li ul li {
  padding: 0;
  border: none;
}

div#ez-toc-container .ez-toc-list li:last-child {
  padding-bottom: 0 !important;
}

div#ez-toc-container ul li > ul li a {
  column-gap: calc(13 * var(--rpx));
}

div#ez-toc-container li:last-child:not(:has(li)) > a {
  margin-bottom: 0 !important;
}

div#ez-toc-container ul li ul li a::before {
  content: '';
  counter-increment: none;
  width: calc(10 * var(--rpx));
  height: calc(10 * var(--rpx));
  background-color: var(--color-primary);
  border-radius: calc(5 * var(--rpx));
  flex: none;
  margin-top: calc(11 * var(--rpx));
}

div#ez-toc-container ul.ez-toc-list a:visited {
  color: #000;
}

/* ============================================================
media query
===============================================================*/

@media (min-width: 751px) {
  :root {
      --rpx: calc(540px / 750);
  }
}