:root {
  --bg: #ffffff;
  --bg-soft: #f4fbf8;
  --bg-softer: #f7fcf7;
  --text: #1f2933;
  --muted: #4b5563;
  --line: #dbece1;
  --line-strong: #b8dec6;
  --primary: #0f6b3f;
  --primary-2: #16834f;
  --accent: #2fa866;
  --mint: #dff5e8;
  --sage: #9fc9ad;
  --radius: 8px;
  --container: min(1180px, calc(100vw - 32px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family:
    "Noto Sans JP",
    "Hiragino Sans",
    "Yu Gothic",
    system-ui,
    sans-serif;
  line-height: 1.75;
  overflow-wrap: anywhere;
}

img,
svg,
video {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: var(--primary);
}

button,
input,
textarea,
select {
  font: inherit;
}

.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.topline {
  width: var(--container);
  min-height: 74px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--primary);
  border-radius: 8px;
  font-weight: 800;
  font-size: 20px;
  line-height: 1;
}

.brand-copy {
  min-width: 0;
}

.brand strong {
  display: block;
  font-size: 17px;
  line-height: 1.2;
}

.brand small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.2;
}

.utility-nav {
  min-width: 0;
}

.utility-nav .menu,
.site-footer .menu {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 22px;
  margin: 0;
  padding: 0;
  color: var(--muted);
  font-size: 14px;
  list-style: none;
  white-space: nowrap;
}

.utility-nav .current-menu-item > a {
  color: var(--primary);
  font-weight: 800;
}

.search-toggle,
.menu-toggle {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--primary);
  background: #fff;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.menu-toggle {
  display: none;
  gap: 4px;
  place-content: center;
  padding: 0;
}

.menu-toggle span {
  width: 17px;
  height: 2px;
  display: block;
  background: currentColor;
  border-radius: 2px;
}

.header-search {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
}

.header-search-inner {
  width: var(--container);
  margin: 0 auto;
  padding: 14px 0;
}

.search-form {
  display: flex;
  gap: 8px;
}

.search-form label {
  flex: 1 1 auto;
}

.search-field {
  width: 100%;
  min-height: 44px;
  padding: 10px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
}

.search-submit {
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--primary);
  border-radius: 8px;
  color: #fff;
  background: var(--primary);
  cursor: pointer;
}

.home-hero {
  width: var(--container);
  margin: 28px auto 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  align-items: stretch;
}

.lead-story {
  min-height: 400px;
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(420px, 1.02fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.story-image {
  min-height: 400px;
  padding: 26px;
  display: grid;
  place-items: center;
  background: var(--bg-soft);
}

.story-image img,
.story-image .image-placeholder {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  object-fit: contain;
}

.lead-copy {
  padding: clamp(28px, 4vw, 52px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.eyebrow,
.section-title p,
.archive-header .eyebrow {
  margin: 0 0 9px;
  color: var(--primary);
  font-weight: 800;
  font-size: 12px;
  line-height: 1.3;
  text-transform: uppercase;
}

.lead-copy h1,
.article-head-copy h1,
.archive-header h1,
.page-header h1 {
  margin: 0;
  font-weight: 850;
  line-height: 1.22;
}

.lead-copy h1 {
  max-width: 12em;
  font-size: clamp(33px, 3.8vw, 48px);
  line-height: 1.16;
}

.lead-copy p,
.archive-header p,
.article-head-copy p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.story-meta {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.story-meta span,
.tag-row a,
.filter-row a,
.topic-strip a,
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #fff;
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.2;
}

.daily-panel {
  display: grid;
  grid-template-columns: minmax(190px, 0.34fr) minmax(0, 1fr);
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.panel-heading {
  padding: 20px 22px;
  border-right: 1px solid var(--line);
  background: var(--bg-softer);
}

.panel-heading span {
  display: block;
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
}

.panel-heading strong {
  display: block;
  margin-top: 5px;
  font-size: 22px;
  line-height: 1.3;
}

.brief-list,
.ranking-box ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.brief-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.brief-list li {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  padding: 20px 22px;
  border-left: 1px solid var(--line);
}

.brief-list li:first-child {
  border-left: 0;
}

.brief-list span {
  color: var(--sage);
  font-size: 13px;
  font-weight: 800;
}

.brief-list a {
  font-weight: 750;
  line-height: 1.55;
}

.topic-strip {
  width: var(--container);
  margin: 18px auto 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.topic-strip a {
  min-height: 36px;
  white-space: nowrap;
}

.content-band,
.split-section,
.archive-layout,
.related-section,
.not-found,
.page-layout {
  width: var(--container);
  margin: 54px auto 0;
}

.section-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.section-title h2 {
  margin: 0;
  font-size: clamp(23px, 3vw, 34px);
  line-height: 1.35;
}

.section-link {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 800;
}

.section-link::after {
  content: "→";
  margin-left: 8px;
}

.section-title.compact {
  display: block;
  margin-bottom: 14px;
}

.section-title.compact h2 {
  font-size: 21px;
}

.article-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.9fr;
  gap: 18px;
}

.article-card,
.list-card,
.phase-list a,
.ranking-box,
.toc,
.article-side .side-module,
.empty-state {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.article-card {
  overflow: hidden;
}

.article-card.large {
  grid-row: span 2;
}

.thumb,
.list-thumb {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-soft);
}

.thumb img,
.list-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 180ms ease;
}

.article-card:hover .thumb img,
.list-card:hover img {
  transform: scale(1.025);
}

.card-copy {
  padding: 16px;
}

.article-card.large .card-copy {
  padding: 20px;
}

.tag-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.tag-row time,
.author-line,
.breadcrumb,
.post-meta {
  color: var(--muted);
  font-size: 12px;
}

.article-card h3,
.list-card h2 {
  margin: 0;
  font-size: 18px;
  line-height: 1.55;
}

.article-card.large h3 {
  font-size: 24px;
  line-height: 1.45;
}

.article-card p,
.list-card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 22px;
}

.phase-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.phase-list a {
  min-height: 132px;
  padding: 18px;
  background: var(--bg-soft);
}

.phase-list strong {
  display: block;
  color: var(--primary);
  font-size: 18px;
}

.phase-list span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
}

.ranking-box {
  padding: 18px;
}

.ranking-box li {
  counter-increment: rank;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  padding: 13px 0;
  border-top: 1px solid var(--line);
}

.ranking-box li::before {
  content: counter(rank);
  color: var(--primary);
  font-weight: 850;
}

.ranking-box a {
  font-size: 14px;
  font-weight: 720;
  line-height: 1.55;
}

.article-hero {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
}

.article-hero > .breadcrumb,
.article-head-grid {
  width: var(--container);
  margin: 0 auto;
}

.breadcrumb {
  padding: 20px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.breadcrumb a {
  color: var(--muted);
}

.breadcrumb-separator {
  color: var(--sage);
}

.article-head-grid {
  padding: 22px 0 34px;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.75fr);
  gap: 34px;
  align-items: center;
}

.article-head-copy h1 {
  font-size: clamp(30px, 4vw, 48px);
}

.author-line {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.article-head-grid figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #fff;
}

.article-head-grid figure img,
.article-head-grid figure .image-placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.article-body-grid {
  width: var(--container);
  margin: 34px auto 0;
  display: grid;
  grid-template-columns: 190px minmax(0, 680px) 250px;
  gap: 28px;
  align-items: start;
}

.toc {
  position: sticky;
  top: 96px;
  padding: 16px;
}

.toc strong,
.side-module strong {
  display: block;
  margin-bottom: 10px;
  font-size: 14px;
}

.toc a,
.side-module a {
  display: block;
  padding: 9px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

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

.article-content > *:first-child {
  margin-top: 0;
}

.article-content p {
  margin: 0 0 18px;
  font-size: 16px;
}

.article-content h2 {
  margin: 40px 0 12px;
  padding-top: 20px;
  border-top: 2px solid var(--primary);
  font-size: 27px;
  line-height: 1.45;
}

.article-content h3 {
  margin: 32px 0 10px;
  font-size: 22px;
  line-height: 1.45;
}

.article-content h4 {
  margin: 26px 0 8px;
  font-size: 18px;
  line-height: 1.5;
}

.article-content a {
  color: var(--primary);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.article-content ul,
.article-content ol {
  padding-left: 1.3em;
  margin: 18px 0;
}

.article-content li + li {
  margin-top: 6px;
}

.wp-block-group,
.insight-box {
  margin: 28px 0;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-soft);
}

.wp-block-group > *:first-child {
  margin-top: 0;
}

.wp-block-group > *:last-child {
  margin-bottom: 0;
}

.wp-block-image {
  margin: 28px 0;
}

.wp-block-image img {
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.wp-block-image figcaption,
.wp-block-table figcaption {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  text-align: left;
}

.wp-block-table {
  width: 100%;
  margin: 24px 0;
  overflow-x: auto;
}

.wp-block-table table,
.article-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: #fff;
}

.wp-block-table th,
.wp-block-table td,
.article-content th,
.article-content td {
  min-width: 130px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.wp-block-table th,
.article-content th {
  background: var(--bg-soft);
  color: var(--primary);
  font-weight: 800;
}

.article-side {
  display: grid;
  gap: 14px;
}

.side-module {
  padding: 16px;
}

.side-module.solid {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.side-module.solid p {
  margin: 0;
  font-size: 14px;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip-row .chip {
  margin: 0;
}

.archive-header,
.page-header {
  min-height: 220px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: end;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-soft);
}

.archive-header h1,
.page-header h1 {
  font-size: clamp(34px, 5vw, 64px);
}

.archive-count {
  min-width: 136px;
  padding: 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #fff;
  text-align: center;
}

.archive-count strong {
  display: block;
  color: var(--primary);
  font-size: 38px;
  line-height: 1;
}

.archive-count span {
  color: var(--muted);
  font-size: 12px;
}

.filter-row {
  margin-top: 18px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.filter-row a {
  min-height: 34px;
  white-space: nowrap;
}

.filter-row a[aria-current="page"] {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.archive-search {
  margin-top: 18px;
}

.archive-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.list-card {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 16px;
  overflow: hidden;
  padding: 12px;
}

.list-card.featured {
  grid-column: 1 / -1;
  grid-template-columns: minmax(260px, 0.58fr) minmax(0, 1fr);
  align-items: center;
}

.list-card img,
.list-card .image-placeholder {
  height: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 6px;
  object-fit: cover;
  background: var(--bg-soft);
  transition: transform 180ms ease;
}

.list-category {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
}

.list-card.featured h2 {
  font-size: 28px;
}

.pagination {
  margin: 28px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pagination .page-numbers {
  min-width: 38px;
  min-height: 38px;
  display: inline-grid;
  place-items: center;
  padding: 8px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--primary);
  background: #fff;
  font-size: 13px;
  font-weight: 700;
}

.pagination .current {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.related-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.comments-area {
  width: min(760px, calc(100vw - 32px));
  margin: 46px auto 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.comments-title,
.comment-reply-title {
  margin: 0 0 16px;
  font-size: 22px;
  line-height: 1.4;
}

.comment-list {
  margin: 0 0 24px;
  padding-left: 1.2em;
}

.comment-list li + li {
  margin-top: 16px;
}

.comment-form textarea,
.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"] {
  width: 100%;
  min-height: 42px;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
}

.comment-form textarea {
  min-height: 140px;
}

.comment-form .submit {
  min-height: 42px;
  padding: 10px 16px;
  border: 1px solid var(--primary);
  border-radius: 8px;
  color: #fff;
  background: var(--primary);
}

.page-layout .page-header {
  margin-bottom: 28px;
}

.page-content {
  max-width: 760px;
  margin: 0 auto;
}

.not-found {
  min-height: 55vh;
}

.empty-state {
  grid-column: 1 / -1;
  padding: 28px;
  background: var(--bg-soft);
}

.image-placeholder {
  min-height: 180px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--primary);
  background:
    linear-gradient(90deg, rgba(15, 107, 63, 0.08) 1px, transparent 1px),
    linear-gradient(rgba(15, 107, 63, 0.08) 1px, transparent 1px),
    var(--bg-soft);
  background-size: 18px 18px;
  font-size: 12px;
  font-weight: 800;
}

.site-footer {
  width: var(--container);
  margin: 68px auto 0;
  padding: 26px 0 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line);
}

.site-footer strong,
.site-footer span {
  display: block;
}

.site-footer span {
  color: var(--muted);
  font-size: 13px;
}

.site-footer nav {
  min-width: 0;
}

.alignwide {
  max-width: min(980px, 100%);
  margin-left: auto;
  margin-right: auto;
}

.alignfull {
  width: 100vw;
  max-width: 100vw;
  margin-left: calc(50% - 50vw);
}

@media (max-width: 980px) {
  .topline {
    grid-template-columns: minmax(0, 1fr) auto auto;
  }

  .utility-nav {
    grid-column: 1 / -1;
    display: none;
    padding: 0 0 16px;
    border-top: 1px solid var(--line);
  }

  .utility-nav.is-open {
    display: block;
  }

  .utility-nav .menu {
    display: grid;
    justify-content: stretch;
    gap: 0;
    padding-top: 8px;
    white-space: normal;
  }

  .utility-nav .menu a {
    display: block;
    padding: 10px 0;
    border-bottom: 1px solid var(--line);
  }

  .menu-toggle {
    display: grid;
  }

  .home-hero,
  .split-section,
  .article-head-grid,
  .article-body-grid {
    grid-template-columns: 1fr;
  }

  .lead-story {
    min-height: 0;
    grid-template-columns: 1fr;
  }

  .story-image {
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  .daily-panel {
    grid-template-columns: 1fr;
  }

  .panel-heading {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

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

  .article-card.large {
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .phase-list,
  .archive-grid {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px 12px;
  }

  .toc strong {
    grid-column: 1 / -1;
  }

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

@media (max-width: 680px) {
  :root {
    --container: min(100vw - 24px, 1180px);
  }

  .topline {
    min-height: 68px;
    gap: 12px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand strong {
    font-size: 14px;
  }

  .brand small {
    max-width: 220px;
    font-size: 10px;
  }

  .home-hero,
  .content-band,
  .split-section,
  .archive-layout,
  .related-section,
  .not-found,
  .page-layout {
    margin-top: 26px;
  }

  .lead-copy {
    padding: 22px;
  }

  .lead-copy h1 {
    font-size: 31px;
  }

  .story-image {
    padding: 16px;
  }

  .brief-list {
    grid-template-columns: 1fr;
  }

  .brief-list li {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .brief-list li:first-child {
    border-top: 0;
  }

  .lead-copy p,
  .archive-header p,
  .article-head-copy p {
    font-size: 15px;
  }

  .article-grid,
  .related-grid {
    grid-template-columns: 1fr;
  }

  .article-card.large h3 {
    font-size: 21px;
  }

  .section-title {
    display: block;
  }

  .section-link {
    margin-top: 8px;
  }

  .phase-list,
  .article-side,
  .archive-header,
  .page-header,
  .list-card,
  .list-card.featured {
    grid-template-columns: 1fr;
  }

  .phase-list a {
    min-height: 108px;
  }

  .article-hero > .breadcrumb,
  .breadcrumb {
    padding-top: 16px;
  }

  .article-head-grid {
    padding: 18px 0 26px;
    gap: 22px;
  }

  .article-head-copy h1 {
    font-size: 30px;
  }

  .article-content h2 {
    font-size: 23px;
  }

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

  .archive-header,
  .page-header {
    min-height: 0;
    padding: 24px;
  }

  .archive-count {
    width: 128px;
  }

  .list-card.featured h2 {
    font-size: 22px;
  }

  .search-form {
    display: grid;
  }

  .site-footer {
    display: block;
  }

  .site-footer nav {
    margin-top: 16px;
  }

  .site-footer .menu {
    justify-content: flex-start;
    flex-wrap: wrap;
  }
}