/*
 * single.css - 記事詳細ページ
 */

/* ============================================================
   ページレイアウト
   ============================================================ */

.page-single {
  position: relative;
  padding-top: clamp(72px, 8vw, 110px);
  overflow-x: clip;
}

.page-single__article {
  position: relative;
}

/* ============================================================
   アーティクルヘッダー
   ============================================================ */

.page-single__header {
  position: relative;
  z-index: 2;
  padding-top: clamp(38px, 5vw, 68px);
  padding-bottom: clamp(44px, 5vw, 60px);
  padding-left: 0;
  padding-right: 0;
  max-width: 50vw;
  margin-left: auto;
  margin-right: auto;
}

.page-single__title {
  font-family: var(--font-ja);
  font-size: 32px;
  font-weight: 400;
  line-height: 1.45;
  letter-spacing: 0;
  color: var(--color-black);
  margin-bottom: clamp(32px, 3.4vw, 44px);
}

.page-single__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin-bottom: clamp(24px, 2.4vw, 32px);
}

.page-single__date {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-en-ui);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.2;
  color: #111;
  white-space: nowrap;
}

.page-single__category-text {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-ja);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.2;
  color: #111;
  text-decoration: underline;
  text-underline-offset: 0.14em;
}

.page-single__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-single__tag a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 16px;
  border-radius: 4px;
  background: var(--color-black);
  color: var(--color-white);
  font-family: var(--font-ja);
  font-size: 16px;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
}

.page-single__hero-band {
  position: absolute;
  left: 0;
  right: 0;
  transform: none;
  top: clamp(28px, 5vw, 84px);
  width: 100%;
  aspect-ratio: 2880 / 1200;
  background: url("../img/top/whatsNew/background_left.png") center center /
    100% 100% no-repeat;
  z-index: 0;
}

/* ============================================================
   ヒーロー画像
   ============================================================ */

.page-single__hero {
  position: relative;
  z-index: 2;
  margin-top: clamp(-18px, -1.5vw, -8px);
  margin-bottom: clamp(32px, 4vw, 56px);
}

.page-single__hero-wrap {
  position: relative;
  width: 50vw;
  margin-left: auto;
  margin-right: auto;
  border: 1.5px solid #b8b8b8;
  border-radius: clamp(16px, 2vw, 24px);
  overflow: hidden;
  background: #f3f3f3;
}

.page-single__hero-img,
.page-single__hero-wrap img {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ============================================================
   本文エリア
   ============================================================ */

.page-single__body {
  position: relative;
  z-index: 2;
  max-width: calc(50vw + 10vw);
  padding-left: 5vw;
  padding-right: 5vw;
  margin-left: auto;
  margin-right: auto;
  padding-bottom: clamp(40px, 5vw, 72px);
}

.page-single__hero-caption {
  font-size: 16px;
  margin-top: clamp(34px, 4.5vw, 70px);
  margin-bottom: clamp(56px, 6vw, 92px);
}

.page-single-section {
  margin: 0 auto clamp(76px, 8vw, 128px);
}

.page-single-section--image_left,
.page-single-section--image_right {
  width: min(1120px, calc(100vw - 96px));
  max-width: none;
  display: grid;
  grid-template-columns: minmax(360px, 520px) minmax(360px, 1fr);
  gap: clamp(42px, 5vw, 72px);
  align-items: start;
  margin-left: 50%;
  transform: translateX(-50%);
}

.page-single-section--image_right {
  grid-template-columns: minmax(360px, 1fr) minmax(360px, 520px);
}

.page-single-section--image_right .page-single-section__figure {
  order: 2;
}

.page-single-section--image_right .page-single-section__content {
  order: 1;
}

.page-single-section__figure {
  margin: 0 0 clamp(48px, 5vw, 78px);
}

.page-single-section--image_left .page-single-section__figure,
.page-single-section--image_right .page-single-section__figure {
  margin-bottom: 0;
}

.page-single__body .page-single-section__figure img {
  width: 100%;
  max-width: 100%;
  display: block;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  margin: 0 auto;
  border-radius: clamp(18px, 2vw, 28px);
  border: 1.5px solid #111;
}

.page-single__body
  .page-single-section--image_top
  .page-single-section__figure
  img {
  width: min(100%, 640px);
}

.page-single__body .page-single-section__figure figcaption {
  width: min(100%, 640px);
  margin: 14px auto 0;
  font-size: 12px;
}

.page-single-section__content > h2:first-child {
  margin-top: 0;
}

.page-single-section__text > *:last-child,
.page-single-section__note > *:last-child {
  margin-bottom: 0;
}

.page-single__body p,
.page-single__body li {
  font-family: var(--font-ja);
  font-size: 16px;
  line-height: 2;
  color: var(--color-text);
}

.page-single__body p {
  margin-bottom: 1.6em;
}

.page-single__body ul,
.page-single__body ol {
  margin: 0 0 1.6em 1.4em;
  padding-left: 1.2em;
}

.page-single__body ul {
  list-style: disc outside;
}

.page-single__body ol {
  list-style: decimal outside;
}

.page-single__body li {
  margin-bottom: 0.45em;
  padding-left: 0.15em;
}

.page-single__body li > ul,
.page-single__body li > ol {
  margin-top: 0.45em;
  margin-bottom: 0.45em;
}

.page-single__body h2 {
  font-family: var(--font-ja);
  font-size: 22px;
  font-weight: 400;
  line-height: 1.35;
  margin: 1.3em 0 0.5em;
  color: var(--color-black);
}

.page-single-section--image_left h2,
.page-single-section--image_right h2 {
  font-size: 22px;
  font-weight: 400;
}

.page-single__body a {
  color: inherit;
  text-decoration: none;
}

.page-single-section__text iframe[src*="youtube.com/embed/"],
.page-single-section__text iframe[src*="youtube-nocookie.com/embed/"] {
  display: block;
  width: 100%;
  max-width: 760px;
  aspect-ratio: 16 / 9;
  height: auto;
  margin: 2em auto;
  border: 0;
  border-radius: clamp(18px, 2vw, 28px);
  background: #111;
}

.page-single-section--image_left .page-single-section__text iframe[src*="youtube.com/embed/"],
.page-single-section--image_left .page-single-section__text iframe[src*="youtube-nocookie.com/embed/"],
.page-single-section--image_right .page-single-section__text iframe[src*="youtube.com/embed/"],
.page-single-section--image_right .page-single-section__text iframe[src*="youtube-nocookie.com/embed/"] {
  max-width: 100%;
}

.page-single__body img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 1.4em auto;
  border-radius: 24px;
  border: 1.5px solid #b8b8b8;
}

.page-single__body figure {
  margin: 2em 0;
}

.page-single__body figcaption {
  font-family: var(--font-ja);
  font-size: 15px;
  color: #111;
  margin-top: 8px;
  text-align: left;
}

.page-single__body blockquote,
.page-single-section__note {
  margin: 2.4em 0;
  padding: clamp(22px, 2.4vw, 34px) clamp(24px, 3vw, 48px);
  background: #efedf0;
  border-radius: clamp(18px, 2vw, 28px);
  font-family: var(--font-ja);
  font-size: 16px;
  line-height: 2;
  color: var(--color-text);
  border: 0;
}

.page-single__body blockquote strong,
.page-single-section__note strong {
  display: block;
  margin-bottom: 8px;
  font-size: 16px;
}

.page-single__body blockquote p {
  margin: 0;
}

/* ============================================================
   記事ナビゲーション
   ============================================================ */

.page-single__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(16px, 3vw, 40px);
  padding-bottom: clamp(56px, 7vw, 96px);
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.page-single__nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

a.page-single__nav-btn:hover {
  transform: scale(1.07);
}

.page-single__nav-btn.is-disabled {
  opacity: 0.25;
  pointer-events: none;
}

.page-single__nav-btn img {
  display: block;
}

.page-single__nav-btn--prev img {
  width: 120px;
  height: auto;
}

.page-single__nav-btn--next img {
  width: 120px;
  height: auto;
}

.page-single__nav-btn--list {
  width: 120px;
  height: 120px;
  border: none;
  border-radius: 50%;
  text-decoration: none;
}

.page-single__nav-list-inner {
  font-family: var(--font-en-ui);
  font-size: clamp(9px, 1vw, 11px);
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.5;
  color: var(--color-black);
  text-align: center;
  display: block;
}

/* ============================================================
   RELATED セクション
   ============================================================ */

.page-single-related {
  position: relative;
  padding-bottom: clamp(56px, 7vw, 96px);
}

.page-single-related__heading {
  position: relative;
  z-index: 2;
  margin-bottom: clamp(24px, 3vw, 40px);
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.page-single-related__en {
  font-family: var(--font-en-heading);
  font-size: clamp(48px, 7vw, 80px);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: 0.02em;
  color: var(--color-magenta);
}

.page-single-related__ja {
  margin-top: 8px;
  font-family: var(--font-ja);
  font-size: 17px;
  color: var(--color-black);
}

/* archive.css の .page-archive-grid を RELATED 内でも正しく動作させる上書き */
.page-single-related__grid.page-archive-grid {
  position: relative;
  z-index: 2;
  overflow: visible;
}

/* ============================================================
   タブレット以下: 左右セクションを縦積みに戻して横あふれを防ぐ
   ============================================================ */
@media (max-width: 1024px) {
  .page-single-section--image_left,
  .page-single-section--image_right {
    width: 100%;
    display: block;
    margin-left: auto;
    transform: none;
  }

  .page-single-section--image_right .page-single-section__figure,
  .page-single-section--image_right .page-single-section__content {
    order: initial;
  }

  .page-single-section__figure {
    margin-bottom: 36px;
  }
}

/* ============================================================
   フッター上書き（single画面）
   ============================================================ */

.site-footer {
  background: var(--color-bg);
}

.site-footer__curve {
  background-repeat: no-repeat;
  background-position: center bottom;
  background-size: clamp(640px, 72vw, 1200px) auto;
  padding: clamp(88px, 9vw, 140px) 5vw 18px;
}

.site-footer__copy {
  color: var(--color-text-light);
}

@media (min-width: 1500px) {
  .site-footer__curve {
    padding-top: 180px;
  }
}

@media (min-width: 1800px) {
  .site-footer__curve {
    padding-top: 200px;
  }
}

/* ============================================================
   モバイル (max-width: 767px)
   ============================================================ */

@media (max-width: 767px) {
  .page-single {
    padding-top: 10px;
  }

  .page-single__header,
  .page-single-related__heading {
    max-width: 100%;
    padding-left: 5vw;
    padding-right: 5vw;
  }

  .page-single__title {
    font-size: 28px;
  }

  .page-single__meta {
    gap: 13px;
  }

  .page-single__hero-band {
    left: 50%;
    transform: translateX(-50%);
    top: 200px;
    width: 100vw;
    max-width: 100vw;
    aspect-ratio: 2880 / 3000;
    background: url("../img/archive/hash-rail.png") center center / cover
      no-repeat;
  }

  .page-single__hero {
    margin-left: auto;
    margin-right: auto;
    padding: 0;
  }

  .page-single__hero-wrap {
    width: 100vw;
    max-width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
  }

  .page-single__body {
    max-width: 100%;
  }

  .page-single__hero-caption {
    margin-top: 28px;
    margin-bottom: 48px;
  }

  .page-single-section {
    margin-bottom: 72px;
  }

  .page-single-section--image_left,
  .page-single-section--image_right {
    width: 100%;
    display: block;
    margin-left: auto;
    transform: none;
  }

  .page-single-section--image_right .page-single-section__figure,
  .page-single-section--image_right .page-single-section__content {
    order: initial;
  }

  .page-single-section__figure {
    margin-bottom: 36px;
  }

  .page-single-section--image_left .page-single-section__figure,
  .page-single-section--image_right .page-single-section__figure {
    margin-bottom: 36px;
  }

  .page-single__body p {
    font-size: 16px;
  }

  .page-single__body h2 {
    font-size: 22px;
    font-weight: 400;
  }

  .page-single__body figcaption {
    font-size: 12px;
  }

  .page-single__body blockquote,
  .page-single-section__note,
  .page-single-section__note p {
    font-size: 16px;
  }

  .page-single__nav {
    max-width: 100%;
    gap: 12px;
  }

  .page-single__nav-btn--prev img,
  .page-single__nav-btn--next img {
    width: 90px;
  }

  .page-single__nav-btn--list {
    width: 90px;
    height: 90px;
  }

  .page-single-related__grid.page-archive-grid {
    padding-top: 0;
    padding-bottom: 0;
  }

  .page-single-related::before {
    left: -18vw;
    right: -18vw;
    bottom: 150px;
    transform: rotate(-8deg);
    width: auto;
    height: 180px;
  }

  .site-footer__curve {
    padding-top: clamp(56px, 10vw, 88px);
  }
}