.article-page {
  background: var(--cream);
}

.article-main {
  padding-top: var(--header-height);
}

.article-breadcrumb {
  width: min(1120px, calc(100% - 64px));
  margin: 0 auto;
  padding: 28px 0 20px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
  color: #516b67;
  font-size: 12px;
}

.article-breadcrumb a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--green-800);
  border-bottom: 1px solid transparent;
}

.article-breadcrumb a:hover,
.article-breadcrumb a:focus-visible {
  color: var(--hibiscus-dark);
  border-bottom-color: currentColor;
}

.article-header {
  width: min(1020px, calc(100% - 64px));
  margin: 0 auto;
  padding: 58px 0 52px;
}

.article-kicker {
  margin: 0 0 24px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 14px;
  color: var(--green-800);
  font-family: "DM Sans", "Noto Sans JP", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.article-kicker span {
  padding: 7px 11px;
  color: var(--paper);
  background: var(--hibiscus-dark);
  border-radius: 999px;
  font-size: 10px;
  letter-spacing: 0.1em;
}

.article-header h1 {
  max-width: 960px;
  margin: 0;
  color: var(--green-950);
  font-family: "Shippori Mincho", serif;
  font-size: clamp(46px, 6.4vw, 78px);
  font-weight: 600;
  line-height: 1.42;
  letter-spacing: 0.055em;
  word-break: normal;
  line-break: strict;
  text-wrap: balance;
}

.article-deck {
  max-width: 850px;
  margin: 30px 0 0;
  color: #385652;
  font-family: "Shippori Mincho", serif;
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 500;
  line-height: 2;
  letter-spacing: 0.04em;
}

.article-meta {
  margin: 44px 0 0;
  padding: 22px 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.article-meta div {
  min-width: 0;
  padding: 0 22px;
  border-left: 1px solid var(--line);
}

.article-meta div:first-child {
  padding-left: 0;
  border-left: 0;
}

.article-meta dt,
.article-meta dd {
  margin: 0;
}

.article-meta dt {
  color: var(--hibiscus-dark);
  font-family: "DM Sans", sans-serif;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.article-meta dd {
  margin-top: 6px;
  color: var(--green-950);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.65;
}

.article-cover {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.article-cover img {
  width: 100%;
  height: auto;
  border: 7px solid var(--paper);
  border-radius: 30px;
  box-shadow: var(--shadow);
}

.article-cover figcaption {
  max-width: 880px;
  margin: 14px auto 0;
  color: #58716d;
  font-size: 12px;
  line-height: 1.8;
}

.article-disclosure {
  width: min(900px, calc(100% - 48px));
  margin: 54px auto 0;
  padding: 24px 28px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 16px 22px;
  color: #294943;
  background: #f2e5cf;
  border: 1px solid rgba(143, 47, 39, 0.2);
  border-radius: 18px;
}

.article-disclosure span {
  padding: 5px 9px;
  color: var(--paper);
  background: var(--green-800);
  border-radius: 999px;
  font-family: "DM Sans", sans-serif;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.article-disclosure p {
  margin: 0;
  font-size: 13px;
  line-height: 1.85;
}

.article-intro {
  width: min(820px, calc(100% - 48px));
  margin: 80px auto 0;
}

.article-intro p {
  margin: 0;
  color: var(--green-950);
  font-family: "Shippori Mincho", serif;
  font-size: clamp(19px, 2.2vw, 23px);
  font-weight: 500;
  line-height: 2.1;
  letter-spacing: 0.045em;
}

.article-intro p + p {
  margin-top: 24px;
}

.source-link-card {
  width: min(820px, calc(100% - 48px));
  min-height: 148px;
  margin: 48px auto 0;
  padding: 24px 96px 24px 26px;
  position: relative;
  display: grid;
  align-content: center;
  color: var(--green-950);
  background: var(--paper);
  border: 1px solid rgba(8, 60, 53, 0.23);
  border-left: 7px solid var(--turmeric);
  border-radius: 18px;
  box-shadow: 0 16px 44px rgba(8, 60, 53, 0.08);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.source-link-card:hover,
.source-link-card:focus-visible {
  color: var(--green-950);
  border-color: var(--hibiscus-dark);
  box-shadow: 0 22px 56px rgba(8, 60, 53, 0.14);
  transform: translateY(-3px);
}

.source-link-card::after {
  content: "↗";
  position: absolute;
  top: 50%;
  right: 28px;
  width: 48px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  color: var(--paper);
  background: var(--hibiscus-dark);
  border-radius: 50%;
  font-family: "DM Sans", sans-serif;
  font-size: 20px;
  transform: translateY(-50%);
}

.source-link-card__type {
  color: var(--hibiscus-dark);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.source-link-card strong {
  margin-top: 6px;
  font-family: "Shippori Mincho", serif;
  font-size: 20px;
  line-height: 1.55;
}

.source-link-card small {
  margin-top: 6px;
  color: #4d6863;
  font-size: 12px;
  line-height: 1.7;
}

.source-link-card b {
  margin-top: 10px;
  color: var(--green-800);
  font-size: 11px;
}

.article-layout {
  width: min(1120px, calc(100% - 64px));
  margin: 110px auto 0;
  display: grid;
  grid-template-columns: 235px minmax(0, 760px);
  justify-content: space-between;
  gap: 76px;
  align-items: start;
}

.article-toc {
  position: sticky;
  top: calc(var(--header-height) + 28px);
  padding: 24px 22px;
  color: var(--green-950);
  background: #f2e5cf;
  border-top: 4px solid var(--hibiscus-dark);
}

.article-toc > p {
  margin: 0 0 15px;
  color: var(--hibiscus-dark);
  font-family: "DM Sans", sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.article-toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.article-toc li + li {
  border-top: 1px solid rgba(8, 60, 53, 0.13);
}

.article-toc a {
  min-height: 52px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--green-950);
  font-size: 12px;
  font-weight: 600;
}

.article-toc a span {
  color: var(--hibiscus-dark);
  font-family: "DM Sans", sans-serif;
  font-size: 9px;
}

.article-toc a:hover,
.article-toc a:focus-visible {
  color: var(--hibiscus-dark);
}

.article-body {
  min-width: 0;
}

.article-body section[data-chapter] {
  scroll-margin-top: calc(var(--header-height) + 28px);
}

.article-body section[data-chapter] + section[data-chapter] {
  margin-top: 112px;
  padding-top: 94px;
  border-top: 1px solid var(--line);
}

.chapter-label {
  margin: 0 0 18px;
  color: var(--hibiscus-dark);
  font-family: "DM Sans", sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.article-body h2 {
  margin: 0 0 34px;
  color: var(--green-950);
  font-family: "Shippori Mincho", serif;
  font-size: clamp(34px, 4vw, 46px);
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: 0.045em;
  word-break: normal;
  line-break: strict;
  text-wrap: balance;
}

.article-body section > p:not(.chapter-label) {
  margin: 0;
  color: #274642;
  font-size: 17px;
  line-height: 2.08;
}

.article-body section > p:not(.chapter-label) + p:not(.chapter-label) {
  margin-top: 22px;
}

.article-pullquote {
  margin: 48px 0 0;
  padding: 45px 46px 38px;
  position: relative;
  color: var(--paper);
  background: var(--green-900);
  border-radius: 0 30px 30px 30px;
}

.article-pullquote > span {
  position: absolute;
  top: 12px;
  left: 22px;
  color: #f5c862;
  font-family: Georgia, serif;
  font-size: 56px;
  line-height: 1;
}

.article-pullquote p {
  margin: 0;
  color: var(--paper);
  font-family: "Shippori Mincho", serif;
  font-size: clamp(20px, 2.6vw, 27px);
  font-weight: 600;
  line-height: 1.9;
  letter-spacing: 0.04em;
}

.article-pullquote small {
  margin-top: 18px;
  display: block;
  color: #c8dcd8;
  font-size: 11px;
}

.story-timeline {
  margin-top: 52px;
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.story-timeline::before {
  content: "";
  position: absolute;
  top: 35px;
  right: 14%;
  left: 14%;
  height: 2px;
  background: var(--turmeric);
}

.story-timeline > div {
  min-width: 0;
  padding: 22px 20px;
  position: relative;
  color: var(--green-950);
  background: var(--paper);
  border: 1px solid rgba(8, 60, 53, 0.16);
  border-radius: 18px;
}

.story-timeline time {
  width: fit-content;
  min-height: 28px;
  padding: 4px 9px;
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  color: var(--paper);
  background: var(--hibiscus-dark);
  border-radius: 999px;
  font-family: "DM Sans", sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.story-timeline strong {
  margin-top: 20px;
  display: block;
  font-family: "Shippori Mincho", serif;
  font-size: 17px;
  line-height: 1.6;
}

.story-timeline p {
  margin: 10px 0 0;
  color: #526b67;
  font-size: 12px;
  line-height: 1.8;
}

.article-insight {
  margin-top: 48px;
  padding: 36px 38px;
  color: var(--green-950);
  background: #f2e5cf;
  border-left: 6px solid var(--hibiscus-dark);
}

.article-insight__label {
  margin: 0;
  color: var(--hibiscus-dark);
  font-family: "DM Sans", sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.article-insight strong {
  margin-top: 12px;
  display: block;
  font-family: "Shippori Mincho", serif;
  font-size: clamp(22px, 2.8vw, 28px);
  line-height: 1.75;
}

.article-insight p:last-child {
  margin: 18px 0 0;
  color: #3d5b56;
  font-size: 14px;
  line-height: 1.9;
}

.learning-list {
  margin: 48px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  list-style: none;
}

.learning-list li {
  min-width: 0;
  padding: 24px 20px;
  color: var(--green-950);
  background: var(--paper);
  border-top: 4px solid var(--turmeric);
  border-radius: 0 0 16px 16px;
}

.learning-list span {
  color: var(--hibiscus-dark);
  font-family: "DM Sans", sans-serif;
  font-size: 10px;
  font-weight: 700;
}

.learning-list strong {
  margin-top: 10px;
  display: block;
  font-family: "Shippori Mincho", serif;
  font-size: 17px;
  line-height: 1.55;
}

.learning-list p {
  margin: 10px 0 0;
  color: #526b67;
  font-size: 12px;
  line-height: 1.8;
}

.article-source-outro {
  width: min(1120px, calc(100% - 64px));
  margin: 130px auto 0;
  padding: 76px 86px;
  position: relative;
  overflow: hidden;
  color: var(--paper);
  background: var(--green-900);
  border-radius: 34px;
}

.article-source-outro::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 270px;
  aspect-ratio: 1;
  border: 40px solid rgba(231, 172, 53, 0.22);
  border-radius: 50%;
}

.article-source-outro .section-kicker {
  margin: 0;
  position: relative;
  z-index: 1;
  color: #f5cf7b;
}

.article-source-outro h2 {
  max-width: 720px;
  margin: 14px 0 0;
  position: relative;
  z-index: 1;
  color: var(--paper);
  font-family: "Shippori Mincho", serif;
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: 0.04em;
  text-wrap: balance;
}

.article-source-outro > p:not(.section-kicker) {
  max-width: 730px;
  margin: 24px 0 0;
  position: relative;
  z-index: 1;
  color: #d5e4e1;
  font-size: 15px;
  line-height: 1.95;
}

.article-source-outro .button {
  margin-top: 34px;
  position: relative;
  z-index: 1;
}

.article-next {
  width: min(1120px, calc(100% - 64px));
  margin: 100px auto 120px;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 64px;
  align-items: end;
}

.article-next .section-kicker {
  margin: 0;
}

.article-next h2 {
  margin: 12px 0 0;
  color: var(--green-950);
  font-family: "Shippori Mincho", serif;
  font-size: clamp(34px, 4.5vw, 50px);
  line-height: 1.55;
}

.article-next__links {
  display: grid;
  gap: 12px;
}

.article-next__links a {
  min-height: 86px;
  padding: 18px 72px 18px 22px;
  position: relative;
  display: grid;
  align-content: center;
  color: var(--green-950);
  background: var(--paper);
  border: 1px solid rgba(8, 60, 53, 0.2);
  border-radius: 14px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.article-next__links a span {
  color: var(--hibiscus-dark);
  font-family: "DM Sans", sans-serif;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.article-next__links a strong {
  margin-top: 4px;
  font-size: 15px;
}

.article-next__links a b {
  position: absolute;
  top: 50%;
  right: 24px;
  color: var(--hibiscus-dark);
  font-size: 20px;
  transform: translateY(-50%);
}

.article-next__links a:hover,
.article-next__links a:focus-visible {
  color: var(--paper);
  background: var(--green-800);
  border-color: var(--green-800);
}

.article-next__links a:hover span,
.article-next__links a:hover b,
.article-next__links a:focus-visible span,
.article-next__links a:focus-visible b {
  color: #ffda82;
}

.pc-br {
  display: initial;
}

@supports (word-break: auto-phrase) {
  .article-header h1,
  .article-body h2,
  .article-source-outro h2,
  .article-next h2 {
    word-break: auto-phrase;
  }
}

@media (max-width: 980px) {
  .article-breadcrumb,
  .article-header,
  .article-layout,
  .article-source-outro,
  .article-next {
    width: min(100% - 40px, 880px);
  }

  .article-header {
    padding-top: 42px;
  }

  .article-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .article-meta div:nth-child(3) {
    padding-left: 0;
    border-left: 0;
  }

  .article-meta div:nth-child(n + 3) {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
  }

  .article-layout {
    margin-top: 86px;
    grid-template-columns: 1fr;
    gap: 66px;
  }

  .article-toc {
    position: static;
  }

  .article-toc ol {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 18px;
  }

  .article-toc li:nth-child(2) {
    border-top: 0;
  }

  .article-source-outro {
    padding: 66px 56px;
  }

  .article-next {
    grid-template-columns: 1fr;
    gap: 38px;
  }
}

@media (max-width: 720px) {
  .article-breadcrumb,
  .article-header,
  .article-layout,
  .article-source-outro,
  .article-next {
    width: min(100% - 28px, 620px);
  }

  .article-breadcrumb {
    padding-top: 18px;
  }

  .article-header {
    padding: 32px 0 38px;
  }

  .article-kicker {
    margin-bottom: 18px;
    font-size: 10px;
  }

  .article-header h1 {
    font-size: clamp(40px, 12.5vw, 56px);
    line-height: 1.5;
  }

  .article-deck {
    margin-top: 24px;
    font-size: 17px;
    line-height: 1.95;
  }

  .article-meta {
    margin-top: 32px;
    grid-template-columns: 1fr;
  }

  .article-meta div,
  .article-meta div:first-child,
  .article-meta div:nth-child(3) {
    margin: 0;
    padding: 14px 0;
    border: 0;
    border-top: 1px solid var(--line);
  }

  .article-meta div:first-child {
    border-top: 0;
  }

  .article-cover {
    width: calc(100% - 16px);
  }

  .article-cover img {
    border-width: 4px;
    border-radius: 18px;
  }

  .article-cover figcaption {
    width: calc(100% - 20px);
    font-size: 11px;
  }

  .article-disclosure {
    width: calc(100% - 28px);
    margin-top: 36px;
    padding: 20px;
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .article-disclosure span {
    width: fit-content;
  }

  .article-intro,
  .source-link-card {
    width: calc(100% - 28px);
  }

  .article-intro {
    margin-top: 62px;
  }

  .article-intro p {
    font-size: 18px;
    line-height: 2;
  }

  .source-link-card {
    min-height: 0;
    margin-top: 38px;
    padding: 22px 62px 22px 20px;
  }

  .source-link-card::after {
    right: 14px;
    width: 38px;
    font-size: 16px;
  }

  .source-link-card strong {
    font-size: 17px;
  }

  .source-link-card small {
    font-size: 11px;
  }

  .article-layout {
    margin-top: 70px;
    gap: 58px;
  }

  .article-toc {
    padding: 22px 18px;
  }

  .article-toc ol {
    grid-template-columns: 1fr;
  }

  .article-toc li:nth-child(2) {
    border-top: 1px solid rgba(8, 60, 53, 0.13);
  }

  .article-body section[data-chapter] + section[data-chapter] {
    margin-top: 82px;
    padding-top: 70px;
  }

  .article-body h2 {
    margin-bottom: 26px;
    font-size: clamp(31px, 9.5vw, 40px);
    line-height: 1.58;
  }

  .article-body section > p:not(.chapter-label) {
    font-size: 16px;
    line-height: 2;
  }

  .article-pullquote {
    padding: 40px 24px 30px;
    border-radius: 0 22px 22px 22px;
  }

  .article-pullquote p {
    font-size: 20px;
    line-height: 1.85;
  }

  .story-timeline,
  .learning-list {
    grid-template-columns: 1fr;
  }

  .story-timeline::before {
    top: 10%;
    right: auto;
    bottom: 10%;
    left: 36px;
    width: 2px;
    height: auto;
  }

  .story-timeline > div {
    padding-left: 24px;
  }

  .article-insight {
    padding: 28px 24px;
  }

  .article-insight strong {
    font-size: 21px;
  }

  .article-source-outro {
    margin-top: 96px;
    padding: 50px 24px;
    border-radius: 24px;
  }

  .article-source-outro h2 {
    font-size: clamp(32px, 10vw, 42px);
  }

  .article-source-outro .button {
    width: 100%;
    padding-inline: 18px;
  }

  .article-next {
    margin-top: 76px;
    margin-bottom: 86px;
  }

  .article-next__links a {
    min-height: 82px;
    padding-left: 18px;
  }

  .pc-br {
    display: none;
  }
}
