/* =========================================================
   JAXA Planetary Defense - Unified Header Modern Design
   topbar を廃止し、メニューバーへロゴとナビゲーションを統合
   ========================================================= */
:root {
  --bg-0: #ffffff;
  --bg-1: #f5f7fb;
  --bg-2: #eef3fb;
  --fg: #172033;
  --fg-d: #526071;
  --accent: #0060b0;
  --accent-2: #00a3ff;
  --line: rgba(23, 32, 51, 0.14);
  --line-strong: rgba(54, 78, 150, 0.30);
  --h_line: #364e96;
  --shadow: 0 12px 28px rgba(17, 24, 39, 0.11);
  --soft-shadow: 0 8px 24px rgba(17, 24, 39, 0.08);
  --nav-h: 72px;
  --radius: 6px;
  --radius-lg: 14px;
  --menu_sub-gap: 12px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { min-height: 100%; }
body {
  margin: 0;
  color: var(--fg);
  background:
    linear-gradient(135deg, rgba(54, 78, 150, 0.06) 0 1px, transparent 1px 34px),
    radial-gradient(circle at 82% 4%, rgba(0, 163, 255, 0.10), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, #f6f8fc 100%);
  font-family: "Noto Sans JP", system-ui, -apple-system, "Segoe UI", Roboto, "Hiragino Sans", sans-serif;
  line-height: 1.7;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(54, 78, 150, 0.04), transparent 26%, rgba(0, 163, 255, 0.03));
  z-index: -1;
}
a { color: var(--fg); text-decoration: none; }
a:hover { color: var(--h_line); }
img { 
  max-width: 100%;
  height: auto;
}
.container { width: min(1120px, 92vw); margin-inline: auto; }

/* =========================================================
   Unified Global Menu
   ========================================================= */
.menu_toggle,
.menu_sub-toggle { display: none; }

.menu_header {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
  margin: 0;
  background:
    linear-gradient(90deg, rgba(54, 78, 150, 0.11), transparent 28%),
    linear-gradient(180deg, rgba(255,255,255,0.98), rgba(248,250,253,0.95));
  border-bottom: 4px solid var(--h_line);
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.10);
  backdrop-filter: blur(10px);
  overflow: visible;
}
.menu_header::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--h_line), var(--accent-2), transparent 72%);
  pointer-events: none;
}
.menu_container {
  width: min(1120px, 92vw);
  min-height: var(--nav-h);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
  padding: 8px 0;
}

.menu_site-brand {
  margin-right: auto;
  display: inline-flex;
  align-items: center;
  gap: 13px;
  min-width: 0;
  color: var(--fg);
}
.menu_site-brand:hover { color: var(--fg); }
.menu_jaxa-logo {
  width: clamp(82px, 9vw, 112px);
  height: auto;
  flex-shrink: 0;
  object-fit: contain;
}
.menu_pd-logo {
  width: clamp(42px, 4.4vw, 54px);
  height: clamp(42px, 4.4vw, 54px);
  flex-shrink: 0;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 0 0 1px rgba(54, 78, 150, 0.14);
}
.menu_brand-text {
  display: inline-block;
  min-width: 0;
  padding-left: 2px;
  font-family: "Montserrat", "Noto Sans JP", sans-serif;
  letter-spacing: 0.10em;
  white-space: nowrap;
}
.menu_brand-kicker {
  display: block;
  margin-bottom: 2px;
  color: var(--accent);
  font-size: clamp(0.62rem, 1vw, 0.72rem);
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1;
}
.menu_brand-main {
  display: block;
  color: var(--fg);
  font-size: clamp(0.95rem, 1.4vw, 1.12rem);
  font-weight: 800;
  line-height: 1.1;
}

.menu_nav { display: flex; justify-content: flex-end; }
.menu_list { display: flex; align-items: center; gap: 4px; margin: 0; padding: 0; list-style: none; }
.menu_item { position: relative; }
.menu_link,
.menu_sub-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 15px;
  border: 1px solid transparent;
  border-radius: 3px;
  color: var(--fg);
  font-family: "Montserrat", "Noto Sans JP", sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}
.menu_link:hover,
.menu_sub-label:hover,
.menu_sub-toggle:checked + .menu_sub-label {
  color: var(--h_line);
  background: linear-gradient(90deg, rgba(54, 78, 150, 0.10), rgba(0, 163, 255, 0.07));
  border-color: rgba(54, 78, 150, 0.22);
  box-shadow: inset 0 -2px 0 var(--h_line);
}
.menu_link:focus-visible,
.menu_sub-label:focus-visible,
.menu_sub-item a:focus-visible,
.menu_toggle-btn:focus-visible {
  outline: 3px solid rgba(0, 96, 176, 0.26);
  outline-offset: 3px;
}
.menu_sub-label-text::after {
  content: "▾";
  display: inline-block;
  margin-left: 8px;
  color: var(--accent);
  font-size: 0.72em;
  line-height: 1;
  transition: transform 0.18s ease;
}
.menu_sub-toggle:checked + .menu_sub-label .menu_sub-label-text::after { transform: rotate(180deg); }
.menu_has-sub::after {
  content: "";
  display: none;
  position: absolute;
  left: -12px;
  right: -12px;
  top: 100%;
  height: calc(var(--menu_sub-gap) + 4px);
  background: transparent;
  pointer-events: auto;
}
.menu_has-sub:has(.menu_sub-toggle:checked)::after { display: block; }
.menu_sub-list {
  display: none;
  position: absolute;
  top: calc(100% + var(--menu_sub-gap));
  right: 0;
  min-width: 232px;
  margin: 0;
  padding: 8px;
  list-style: none;
  background: linear-gradient(180deg, rgba(255,255,255,0.99), rgba(246,249,253,0.98));
  border: 1px solid rgba(54, 78, 150, 0.22);
  border-top: 3px solid var(--h_line);
  border-radius: 4px;
  box-shadow: var(--shadow);
  z-index: 1002;
}
.menu_sub-list::before {
  content: "";
  position: absolute;
  top: -9px;
  right: 28px;
  width: 14px;
  height: 14px;
  background: #ffffff;
  border-left: 1px solid rgba(54, 78, 150, 0.22);
  border-top: 1px solid rgba(54, 78, 150, 0.22);
  transform: rotate(45deg);
}
.menu_sub-toggle:checked ~ .menu_sub-list { display: block; animation: menu_fadeIn 0.16s ease both; }
@keyframes menu_fadeIn { from { opacity: 0; transform: translateY(-3px); } to { opacity: 1; transform: translateY(0); } }
.menu_sub-item a {
  position: relative;
  display: block;
  padding: 11px 14px 11px 18px;
  border-radius: 3px;
  color: var(--fg);
  font-size: 0.92rem;
  font-weight: 600;
  transition: background-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}
.menu_sub-item a::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 50%;
  width: 5px;
  height: 5px;
  border-right: 1px solid var(--accent);
  border-bottom: 1px solid var(--accent);
  transform: translateY(-50%) rotate(-45deg);
  opacity: 0.70;
}
.menu_sub-item a:hover {
  color: var(--h_line);
  background: linear-gradient(90deg, rgba(54, 78, 150, 0.10), rgba(0, 163, 255, 0.06));
  transform: translateX(2px);
}
.menu_toggle-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  margin-left: auto;
  border: 1px solid rgba(54, 78, 150, 0.22);
  border-radius: 3px;
  background: rgba(255,255,255,0.72);
  cursor: pointer;
  transition: background-color 0.18s ease, box-shadow 0.18s ease;
}
.menu_toggle-btn:hover { background-color: rgba(54, 78, 150, 0.08); box-shadow: inset 0 -2px 0 var(--h_line); }
.menu_toggle-btn span {
  display: block;
  width: 22px;
  height: 2px;
  margin-inline: auto;
  background-color: var(--fg);
  border-radius: 999px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.menu_toggle:checked ~ .menu_header .menu_toggle-btn span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu_toggle:checked ~ .menu_header .menu_toggle-btn span:nth-child(2) { opacity: 0; }
.menu_toggle:checked ~ .menu_header .menu_toggle-btn span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   Menu Social Link
   メニュー末尾のXリンク
   ========================================================= */

.menu_social-item {
  display: flex;
  align-items: center;
}

/* Xロゴを囲むクリック領域 */
.menu_social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid transparent;
  border-radius: 3px;
  transition:
    background-color 0.18s ease,
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.18s ease;
}

/* Xロゴ画像 */
.menu_social-icon {
  display: block;
  width: 20px;
  height: 20px;
  object-fit: contain;
}

/* hover時：既存メニューと同じ硬めのトーン */
.menu_social-link:hover {
  background: linear-gradient(
    90deg,
    rgba(54, 78, 150, 0.10),
    rgba(0, 163, 255, 0.07)
  );
  border-color: rgba(54, 78, 150, 0.22);
  box-shadow: inset 0 -2px 0 var(--h_line);
  transform: translateY(-1px);
}

/* キーボード操作時 */
.menu_social-link:focus-visible {
  outline: 3px solid rgba(0, 96, 176, 0.26);
  outline-offset: 3px;
}

/* ==== Hero ==== */
.hero {
  position: relative;
  width: 100%;
  min-height: clamp(420px, 48vw, 620px);
  overflow: hidden;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 19, 45, 0.34), rgba(7, 19, 45, 0.08) 52%, rgba(7, 19, 45, 0.28)),
    linear-gradient(180deg, rgba(7, 19, 45, 0.08), rgba(7, 19, 45, 0.24));
  z-index: 1;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.13) 0 1px, transparent 1px 44px);
  opacity: 0.35;
  z-index: 2;
  pointer-events: none;
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  transform: scale(1.02);
}
.hero-content {
  position: relative;
  z-index: 3;
  min-height: clamp(420px, 48vw, 620px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  padding: 72px 0 64px;
  text-align: right;
}
.hero-kicker {
  margin: 0 0 12px;
  padding: 7px 11px;
  color: #d9f3ff;
  border: 1px solid rgba(0, 163, 255, 0.42);
  background: rgba(0, 96, 176, 0.16);
  font-family: "Montserrat", sans-serif;
  font-size: clamp(0.72rem, 1.2vw, 0.86rem);
  font-weight: 700;
  letter-spacing: 0.16em;
}
.hero h1 {
  margin: 0;
  color: #ffffff;
  font-family: "Montserrat", system-ui, sans-serif;
  font-size: clamp(2.6rem, 6.3vw, 5.5rem);
  line-height: 0.98;
  letter-spacing: 0.02em;
  text-shadow: 0 12px 30px rgba(0,0,0,0.35);
}
.hero h2 {
  margin: 18px 0 0;
  color: #ffffff;
  font-size: clamp(1.55rem, 3.2vw, 2.8rem);
  letter-spacing: 0.04em;
  text-shadow: 0 8px 24px rgba(0,0,0,0.30);
}

/* Top page Hero title mobile fix */
.hero-title {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: baseline;
  gap: 0.18em;
}

.hero-title-prefix,
.hero-title-main {
  display: inline-block;
}

.hero-title-main {
  white-space: nowrap;
}




/* ==== Main Content ==== */
.main-container { margin-top: clamp(36px, 6vw, 72px); }
.section-contents {
  max-width: 980px;
  margin: 0 auto clamp(54px, 7vw, 86px);
  padding: clamp(22px, 4vw, 34px);
  background: rgba(255,255,255,0.84);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 28px rgba(17, 24, 39, 0.06);
}
.section-title {
  position: relative;
  margin: 0 0 24px;
  padding: 0 0 14px 18px;
  color: var(--h_line);
  border-bottom: 1px solid rgba(54, 78, 150, 0.24);
  font-family: "Montserrat", "Noto Sans JP", sans-serif;
  font-size: clamp(1.7rem, 3vw, 2.25rem);
  font-weight: 800;
  letter-spacing: 0.04em;
}
.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.22em;
  width: 5px;
  height: 0.95em;
  background: linear-gradient(180deg, var(--h_line), var(--accent-2));
}
.section-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 96px;
  height: 3px;
  background: linear-gradient(90deg, var(--h_line), var(--accent-2));
}
p { line-height: 1.9; }

/* ==== News ==== */

.news-list {
  display: grid;
  gap: 12px;
}

.news-item {
  display: grid;
  grid-template-columns: 132px 120px 1fr;
  gap: 18px;
  align-items: center;
  padding: 12px 16px 12px 14px;
  border: 1px solid rgba(23, 32, 51, 0.10);
  border-left: 4px solid rgba(54, 78, 150, 0.55);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(54, 78, 150, 0.06), rgba(255,255,255,0.86));
  box-shadow: 0 6px 16px rgba(17, 24, 39, 0.04);
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    border-color 0.22s ease,
    background-color 0.22s ease;
}

.news-item:hover {
  transform: translateY(-2px);
  border-color: rgba(54, 78, 150, 0.22);
  box-shadow: 0 12px 24px rgba(17, 24, 39, 0.08);
}

/* NEWS用サムネイル */
.news-thumb {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 5px;
  background:
    linear-gradient(135deg, rgba(54, 78, 150, 0.12), rgba(0, 163, 255, 0.08));
  border: 1px solid rgba(54, 78, 150, 0.16);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.45);
}

.news-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.00), rgba(7, 19, 45, 0.10));
  pointer-events: none;
}

.news-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.news-item:hover .news-thumb img {
  transform: scale(1.05);
}

.news-date {
  color: var(--accent);
  font-family: "Montserrat", sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.news-title {
  color: var(--fg);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.7;
}

.news-title:hover {
  color: var(--h_line);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* 画像なしNEWSを使う場合 */
.news-item--no-image {
  grid-template-columns: 120px 1fr;
}

.news-item--no-image .news-thumb {
  display: none;
}

/* ARTICLESなど、カード幅を3枚並び時程度に固定したい一覧 */
.news-container.news-container--fixed {
  grid-template-columns: repeat(auto-fill, minmax(250px, 280px));
  justify-content: center;
}

/* ==== Lead ==== */
.lead-layout { display: flex; gap: clamp(24px, 4vw, 36px); align-items: flex-start; }
.lead-image-wrapper {
  position: relative;
  width: min(300px, 34vw);
  flex-shrink: 0;
  padding: 16px;
  border: 1px solid rgba(54, 78, 150, 0.18);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255,255,255,0.86), rgba(238,243,251,0.72));
  box-shadow: var(--soft-shadow);
}
.lead-image { display: block; width: 100%; height: auto; border-radius: 10px; }
.image-note { position: absolute; right: 6px; bottom: 6px; font-size: 11px; line-height: 1; color: #ffffff; background-color: rgba(0, 0, 0, 0.55); padding: 4px 6px; border-radius: 4px; z-index: 2; pointer-events: none; }
.lead-text { flex: 1; margin: 0; color: var(--fg); }
.pd-link { margin-top: 24px; text-align: right; }
.pd-link a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  color: var(--h_line);
  border: 1px solid rgba(54, 78, 150, 0.28);
  border-radius: var(--radius);
  background: linear-gradient(90deg, rgba(54, 78, 150, 0.06), rgba(0, 163, 255, 0.05));
  font-weight: 700;
}
.pd-link a:hover { background: linear-gradient(90deg, rgba(54, 78, 150, 0.12), rgba(0, 163, 255, 0.08)); text-decoration: none; }

/* ==== Articles Cards ==== */
.news-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; max-width: 1200px; margin: 0 auto; padding: 10px 0 0; }
.news-card-link { display: block; height: 100%; }
.news-card {
  display: flex;
  flex-direction: column;
  position: relative;
  height: 100%;
  min-height: 420px;
  overflow: hidden;
  border: 1px solid rgba(54, 78, 150, 0.16);
  border-radius: var(--radius-lg);
  background-color: #ffffff;
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.07);
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}
.news-card::after { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: linear-gradient(90deg, var(--h_line), var(--accent-2)); }
.news-card:hover { transform: translateY(-8px); border-color: rgba(54, 78, 150, 0.34); box-shadow: 0 18px 36px rgba(17, 24, 39, 0.14); }
.news-card-image { width: 100%; height: 185px; overflow: hidden; background: var(--bg-2); }
.news-card-image img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.4s ease; }
.news-card:hover .news-card-image img { transform: scale(1.06); }
.news-card-body { padding: 18px 20px 22px; color: var(--fg); }
.news-card-body h3 { margin: 0 0 12px; color: var(--fg); font-size: 1.05rem; line-height: 1.55; font-weight: 800; }
.news-card-body p { margin: 0; color: var(--fg-d); font-size: 0.92rem; line-height: 1.75; }

/* ==== News: 過去ニュースリンク ==== */
.news-more {
  margin-top: 18px;
  text-align: right;
}

/* ========================================
   Subtle Link（控えめな導線リンク）
   ======================================== */
.link-subtle {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;

  font-size: 0.92rem;
  font-weight: 600;
  color: var(--h_line);

  text-decoration: none;
  transition: color 0.2s ease;
}

/* 左に小さな矢印 */
.link-subtle::before {
  content: "›";
  font-size: 1rem;
  opacity: 0.7;
  transform: translateY(-1px);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* 下線（控えめ） */
.link-subtle::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;

  width: 100%;
  height: 1px;

  background: linear-gradient(90deg, var(--h_line), var(--accent-2));
  opacity: 0.45;

  transform: scaleX(0.4);
  transform-origin: left;

  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* hover */
.link-subtle:hover {
  color: var(--accent-2);
}

.link-subtle:hover::after {
  transform: scaleX(1);
  opacity: 0.9;
}

.link-subtle:hover::before {
  transform: translate(2px, -1px);
  opacity: 1;
}


/* ==== Project Cards ==== */
.project-container { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; padding: 10px 0 0; }
.project-card { position: relative; height: 420px; overflow: hidden; border: 1px solid rgba(255,255,255,0.32); border-radius: var(--radius-lg); background: #10151f; box-shadow: 0 12px 28px rgba(17, 24, 39, 0.12); transition: transform 0.3s ease, box-shadow 0.3s ease; }
.project-card:hover { transform: translateY(-8px); box-shadow: 0 20px 42px rgba(17, 24, 39, 0.22); }


.project-card a { display: block; height: 100%; color: #ffffff; background: #000000; }

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  display: block;
  background: #000000;
  transition: none;
}

.project-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7,19,45,0.00), rgba(7,19,45,0.72));
  pointer-events: none;
}

.project-card:hover img { transform: none; }


.project-card-credit { position: absolute; top: 10px; right: 10px; font-size: 11px; line-height: 1; color: #ffffff; background: rgba(0, 0, 0, 0.55); padding: 5px 7px; border-radius: 4px; z-index: 2; pointer-events: none; }
.project-card_text { position: absolute; right: 20px; bottom: 24px; left: 20px; z-index: 2; color: #ffffff; }
.project-card_text h3 { margin: 0; font-family: "Montserrat", "Noto Sans JP", sans-serif; font-size: clamp(1.25rem, 2vw, 1.55rem); line-height: 1.25; font-weight: 800; letter-spacing: 0.03em; text-shadow: 0 8px 20px rgba(0,0,0,0.32); }


/* =========================================
Project title: Acronym + Full name (2 lines)
========================================= */

.project-card_text .project-title{
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* 1行目：アクロニム */
.project-card_text .project-acronym{
  font-family: "Montserrat", "Noto Sans JP", sans-serif;
  font-weight: 900;
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  letter-spacing: 0.05em;
  line-height: 1.08;
  text-shadow: 0 10px 18px rgba(0,0,0,0.35);
}

/* 2行目：正式名称（小さめ） */
.project-card_text .project-full{
  font-family: "Montserrat", "Noto Sans JP", sans-serif;
  font-weight: 650;
  font-size: clamp(0.78rem, 1.05vw, 0.95rem);
  letter-spacing: 0.01em;
  line-height: 1.35;
  opacity: 0.92;
  text-shadow: 0 8px 16px rgba(0,0,0,0.28);
}

/* 日本語表記を“正式名称”枠に入れる場合の微調整 */
.project-card_text .project-full--local{
  font-family: "Noto Sans JP", "Montserrat", sans-serif;
  letter-spacing: 0.06em;
}

/* 抜き出し文字（アクロニム要素）の強調 */
.project-card_text .acro-hit{
  color: var(--accent-2);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  text-shadow:
    0 0 10px rgba(0, 163, 255, 0.35),
    0 10px 18px rgba(0,0,0,0.28);
}

/* “2”など数字の見え方を安定化（英字と混在しても揃う） */
.project-card_text .project-num{
  font-variant-numeric: tabular-nums;
}

/* =========================================================
   YouTube Video Card
   hover再生なし・サムネイル表示のみ
   ========================================================= */

.video-card {
  position: relative;
}

/* YouTubeサムネイル表示領域 */
.video-card-media {
  position: relative;
  background: #0b1428;
}

/* サムネイル画像 */
.video-card-thumbnail {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 再生アイコン */
.video-play-badge {
  position: absolute;
  left: 14px;
  bottom: 14px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 32px;
  color: #ffffff;
  background: rgba(220, 0, 0, 0.92);
  border-radius: 8px;
  font-size: 1rem;
  line-height: 1;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.28);
  transition:
    transform 0.22s ease,
    background-color 0.22s ease;
}

/* hover時はカード既存効果に加え、再生アイコンだけ少し強調 */
.video-card-link:hover .video-play-badge {
  transform: scale(1.06);
  background: rgba(255, 0, 0, 0.96);
}

/* キーボードフォーカス時 */
.video-card-link:focus-visible {
  outline: 3px solid rgba(0, 96, 176, 0.26);
  outline-offset: 4px;
  border-radius: var(--radius-lg);
}


/* ===== Modal ===== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;

  display: none;
}

.modal.is-open {
  display: block;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 20, 40, 0.6);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  width: min(960px, 92vw);
  margin: 8vh auto;

  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);

  padding: 28px;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 14px;

  font-size: 1.4rem;
  background: none;
  border: none;
  cursor: pointer;
}

.modal-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

.modal-image {
  overflow: hidden;
}

.modal-image img {
  width: 100%;
  height: auto;
  display: block;
}

.modal-text h3 {
  margin-top: 0;
  font-size: 1.2rem;
  font-weight: 800;
}

.modal-text p {
  line-height: 1.9;
  color: var(--fg-d);
}


.modal-content {
  transform: translateY(20px);
  opacity: 0;
  transition: 0.3s;
}

.modal.is-open .modal-content {
  transform: translateY(0);
  opacity: 1;
}


/* =========================================================
   Organization Section
   PDチーム体制図用レイアウト
   情報量の多い図を大きく、スタイリッシュに見せる
   ========================================================= */

.org-section {
  max-width: 980px;
}

/* 体制図＋説明文の全体 */
.org-layout {
  display: grid;
  gap: 24px;
}

/* 体制図カード：青線装飾を外してシンプルに */
.org-chart-card {
  position: relative;
  margin: 0;
  padding: clamp(14px, 2vw, 20px);

  /* 背景は白基調のまま少しだけ透明感を残す */
  background: rgba(255, 255, 255, 0.94);

  /* 青い枠ではなく、薄いグレー系の境界線にする */
  border: 1px solid rgba(23, 32, 51, 0.10);
  border-left: none;

  border-radius: var(--radius-lg);
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.07);
  overflow: hidden;
}

/* 上部の青いアクセントラインを消す */
.org-chart-card::before {
  display: none;
}


/* 画像リンク */
.org-chart-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

/* 体制図画像本体 */
.org-chart-image {
  display: block;
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  height: auto;
  border-radius: 10px;
  background: #ffffff;

  /* 青系ではなくニュートラルな薄い線 */
  border: 1px solid rgba(23, 32, 51, 0.08);

  box-shadow: none;
}


/* hover時に少しだけ強調 */
.org-chart-link:hover .org-chart-image {
  box-shadow: 0 14px 30px rgba(17, 24, 39, 0.12);
}

/* キャプション */
.org-chart-caption {
  margin-top: 0.85rem;
  color: var(--fg-d);
  font-size: 0.84rem;
  line-height: 1.6;
  text-align: right;
}

/* 説明文カード */

.org-text {
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(54, 78, 150, 0.12);
  border-radius: var(--radius-lg);
}

/* 説明文 */
.org-text p {
  margin: 0;
  color: var(--fg);
  line-height: 1.95;
}


/* =========================================================
   Organization Section - Compact two column layout
   左にロゴ、右に組織図サムネイルを配置し、図の主張を抑える
   ========================================================= */

.org-section {
  max-width: 980px;
}

/* 左ロゴ・右組織図の2カラム */
.org-layout--compact {
  display: grid;
  grid-template-columns: minmax(220px, 0.85fr) minmax(320px, 1.15fr);
  gap: clamp(20px, 3vw, 28px);
  align-items: stretch;
}

/* 左側：ロゴカード */
.org-logo-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  min-height: 260px;
  padding: clamp(18px, 3vw, 28px);

  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(23, 32, 51, 0.10);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.06);
}

/* ロゴ画像 */
.org-logo-image {
  display: block;
  width: min(220px, 72%);
  max-height: 220px;
  height: auto;
  object-fit: contain;
}

/* ロゴ下の短い説明 */
.org-logo-caption {
  margin: 1rem 0 0;
  color: var(--fg-d);
  font-size: 0.88rem;
  line-height: 1.6;
  text-align: center;
}

/* 右側：組織図カードを控えめに */
.org-chart-card--compact {
  display: flex;
  flex-direction: column;
  justify-content: center;

  margin: 0;
  min-height: 260px;
  padding: clamp(14px, 2vw, 18px);

  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(23, 32, 51, 0.10);
  border-left: none;
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.06);
  overflow: hidden;
}

/* 既存の青い上部線を無効化 */
.org-chart-card--compact::before {
  display: none;
}

/* 画像リンク */
.org-chart-card--compact .org-chart-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 210px;
}

/* 組織図はサムネイルとして控えめに表示 */
.org-chart-image--compact {
  display: block;
  width: 100%;
  max-width: 430px;
  max-height: 220px;
  height: auto;
  object-fit: contain;

  border: 1px solid rgba(23, 32, 51, 0.08);
  border-radius: 10px;
  background: #ffffff;
  box-shadow: none;
}

/* hover時も控えめ */
.org-chart-card--compact .org-chart-link:hover .org-chart-image--compact {
  box-shadow: 0 10px 22px rgba(17, 24, 39, 0.10);
}

/* 組織図キャプション */
.org-chart-card--compact .org-chart-caption {
  margin-top: 0.75rem;
  color: var(--fg-d);
  font-size: 0.78rem;
  line-height: 1.6;
  text-align: center;
}

/* 説明文は2カラムの下に置く */
.org-text--below {
  margin-top: 22px;
  padding: 18px 20px;

  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(54, 78, 150, 0.12);
  border-radius: var(--radius-lg);
}

.org-text--below p {
  margin: 0;
  color: var(--fg);
  line-height: 1.95;
}

/* ===== ヘッダー ===== */
.org-header {
  text-align: center;
  margin-bottom: 30px;
}

.org-header-title {
  margin-top: 12px;
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  color: var(--accent);
}

/* ===== クラスタ ===== */
.org-cluster {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

/* ===== カード ===== */
.org-cluster-card {
  padding: 16px;
  border-radius: 12px;
  background: linear-gradient(180deg, #fff, #eef3fb);
  border: 1px solid rgba(54, 78, 150, 0.16);
  box-shadow: 0 10px 22px rgba(17, 24, 39, 0.06);
  transition: transform 0.25s ease,
              box-shadow 0.25s ease;
}

.org-cluster-card h3 {
  margin: 0 0 10px;
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--h_line);
}

.org-cluster-card:hover {
  transform: translateY(-6px); /* 少し浮かせる */

  box-shadow:
    0 16px 32px rgba(17, 24, 39, 0.12),
    0 4px 12px rgba(17, 24, 39, 0.06);
  filter: brightness(1.02);
}


/* ===== ツリー（静的） ===== */

/* ===== カード内リスト（全体） ===== */
.tree-simple {
  margin-top: 6px;
}

/* ===== 組織名（1段下げ） ===== */
.tree-parent {
  margin: 6px 0 2px;
  padding-left: 8px;           /* ← 軽くインデント（重要） */
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--fg);
  line-height: 1.5;            /* ← 詰める */
}

/* ===== 組織名リンク：リンクがあることを明示 ===== */
.tree-parent-link {
  display: block;
  width: fit-content;
  max-width: 100%;
  color: var(--h_line);
  text-decoration: none;
  border-radius: 6px;
}

/* リンク付きの組織名だけ、色・下線・矢印で示す */
.tree-parent-link .tree-parent {
  position: relative;
  display: inline;
  color: var(--h_line);
  font-weight: 750;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-decoration-color: rgba(54, 78, 150, 0.42);
  text-underline-offset: 4px;
}

/* 外部リンクであることを示す */
.tree-parent-link .tree-parent::after {
  content: "↗";
  display: inline-block;
  margin-left: 0.35em;
  color: var(--accent);
  font-size: 0.78em;
  font-weight: 800;
  transform: translateY(-0.08em);
  opacity: 0.78;
  transition:
    transform 0.18s ease,
    opacity 0.18s ease,
    color 0.18s ease;
}

/* hover時：押せることを明確化 */
.tree-parent-link:hover .tree-parent {
  color: var(--accent);
  text-decoration-color: currentColor;
  background: linear-gradient(
    180deg,
    transparent 58%,
    rgba(0, 163, 255, 0.14) 58%
  );
}

/* hover時：矢印を少し動かす */
.tree-parent-link:hover .tree-parent::after {
  color: var(--accent-2);
  opacity: 1;
  transform: translate(2px, -0.08em);
}

/* キーボード操作時 */
.tree-parent-link:focus-visible {
  outline: 3px solid rgba(0, 96, 176, 0.26);
  outline-offset: 4px;
}

/* ===== リスト（フラット化） ===== */
.tree-simple ul {
  list-style: none;
  margin: 2px 0 6px;           /* ← 上下詰める */
  padding-left: 8px;           /* ← 深くしない */
  border-left: none;           /* ← ツリー線を削除 */
}

/* ===== 各行 ===== */
.tree-simple li {
  margin: 3px 0;               /* ← 行間を詰める（重要） */
  padding-left: 8px;
  font-size: 0.88rem;
  color: var(--fg);
  line-height: 1.5;            /* ← 詰める */
}

/* ===== ドット削除（画像は無し） ===== */
.tree-simple li::before {
  display: none;
}


/* =========================================================
Organization Logo Trigger
クリック可能なPDチームロゴをカード中央に美しく配置
========================================================= */

/* ロゴカード全体を少しリッチに */
.org-logo-card {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(23, 32, 51, 0.10);
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.06)


}

/* 背景にごく薄い宇宙感のあるアクセント */

/* カード全体への青い光彩は使わない */
.org-logo-card::before {
  display: none;
}


/* button標準スタイルをリセットし、ロゴ専用パネルにする */
.org-logo-trigger {
  appearance: none;
  -webkit-appearance: none;

  display: flex;
  align-items: center;
  justify-content: center;

  width: min(260px, 78%);
  aspect-ratio: 1 / 1;
  margin: 0 auto;
  padding: 18px;

  border: 1px solid rgba(54, 78, 150, 0.20);
  border-radius: 18px;

  background:
    radial-gradient(circle at 50% 42%, rgba(255, 255, 255, 0.98), rgba(238, 243, 251, 0.82) 62%, rgba(220, 232, 248, 0.74)),
    linear-gradient(135deg, rgba(54, 78, 150, 0.08), rgba(0, 163, 255, 0.05));

  box-shadow:
    0 14px 30px rgba(17, 24, 39, 0.08),
    inset 0 0 0 1px rgba(255, 255, 255, 0.72);

  cursor: pointer;

  transition:
    transform 0.24s ease,
    box-shadow 0.24s ease,
    border-color 0.24s ease,
    background 0.24s ease;
}

/* ロゴ画像を中央に安定配置 */
.org-logo-trigger .org-logo-image {
  display: block;
  width: min(190px, 84%);
  max-width: none;
  max-height: none;
  height: auto;
  object-fit: contain;

  filter: drop-shadow(0 10px 18px rgba(17, 24, 39, 0.18));

  transition:
    transform 0.24s ease,
    filter 0.24s ease;
}

/* hover時：押せることが分かる程度に強調 */
.org-logo-trigger:hover {
  transform: translateY(-3px);
  border-color: rgba(54, 78, 150, 0.34);
  box-shadow:
    0 18px 38px rgba(17, 24, 39, 0.13),
    0 0 0 4px rgba(0, 163, 255, 0.06),
    inset 0 0 0 1px rgba(255, 255, 255, 0.82);
}

.org-logo-trigger:hover .org-logo-image {
  transform: scale(1.035);
  filter: drop-shadow(0 14px 22px rgba(17, 24, 39, 0.22));
}

/* キーボード操作時 */
.org-logo-trigger:focus-visible {
  outline: 3px solid rgba(0, 96, 176, 0.28);
  outline-offset: 5px;
}

/* captionとの距離を少し整える */
.org-logo-caption {
  margin-top: 1.05rem;
}


/* =========================================================
   Footer Links
   関連リンクを本文セクションからfooterへ統合
   画像参考のように、オーバル型の囲いを外したモダンなテキストナビゲーション
   ========================================================= */

.site-footer {
  margin-top: 72px;
  border-top: 4px solid var(--h_line);
  padding: 44px 0 46px;
  color: var(--fg-d);
  background:
    linear-gradient(90deg, rgba(54, 78, 150, 0.08), transparent 32%),
    linear-gradient(180deg, rgba(255,255,255,0.94), rgba(245,247,251,0.98));
}

.footer-container {
  display: grid;
  gap: 26px;
}

/* 関連リンク全体：囲いではなく、余白と罫線で整える */
.footer-links-area {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(22px, 4vw, 48px);
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(54, 78, 150, 0.18);
}

/* 各リンクグループ */
.footer-link-group {
  min-width: 0;
}

/* グループ見出し */
.footer-link-title {
  position: relative;
  margin: 0 0 14px;
  padding-bottom: 10px;
  color: var(--h_line);
  font-family: "Montserrat", "Noto Sans JP", sans-serif;
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.5;
}

.footer-link-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 34px;
  height: 2px;
  background: linear-gradient(90deg, var(--h_line), var(--accent-2));
  opacity: 0.82;
}

/* リンクリスト：オーバル型の囲いを使わず、テキストを縦に整列 */
.footer-link-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* footer内リンク：シンプルなテキストリンク */
.footer-link-list a {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  width: fit-content;
  min-height: 0;
  padding: 2px 0 2px 14px;
  color: var(--fg);
  border: 0;
  border-radius: 0;
  background: transparent;
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.65;
  letter-spacing: 0.01em;
  transition:
    color 0.18s ease,
    transform 0.18s ease;
}

.footer-link-list a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.58;
  transition:
    opacity 0.18s ease,
    background-color 0.18s ease,
    transform 0.18s ease;
}

.footer-link-list a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 0;
  bottom: 1px;
  height: 1px;
  background: linear-gradient(90deg, var(--h_line), var(--accent-2));
  opacity: 0;
  transform: scaleX(0.35);
  transform-origin: left;
  transition:
    opacity 0.18s ease,
    transform 0.18s ease;
}

.footer-link-list a:hover {
  color: var(--h_line);
  background: transparent;
  text-decoration: none;
  transform: translateX(2px);
}

.footer-link-list a:hover::before {
  opacity: 1;
  background: var(--accent-2);
  transform: scale(1.18);
}

.footer-link-list a:hover::after {
  opacity: 0.72;
  transform: scaleX(1);
}

.footer-link-list a:focus-visible,
.footer-bottom a:focus-visible {
  outline: 3px solid rgba(0, 96, 176, 0.24);
  outline-offset: 3px;
}

.footer-link-list sup {
  position: relative;
  top: -0.35em;
  font-size: 0.75em;
  line-height: 0;
}


/* お問い合わせ・コピーライト */
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 22px;
  color: var(--fg-d);
  font-size: 0.88rem;
  line-height: 1.8;
}

.footer-bottom a {
  color: var(--h_line);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  text-decoration-color: rgba(54, 78, 150, 0.36);
}

.footer-bottom a:hover {
  color: var(--accent);
  text-decoration-color: currentColor;
}

/* =========================================================
   Responsive （表示縮小時のデザイン修正）
   
   ========================================================= */

/* ==== Responsive ==== */
@media (max-width: 1024px) {
  .menu_brand-text { display: none; }
}
@media (max-width: 960px) {
  .project-container { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .org-cluster {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  :root { --nav-h: 64px; }
  .menu_container {
    min-height: var(--nav-h);
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 12px;
    padding: 8px 0;
  }
  .menu_site-brand {
    flex: 1 1 auto;
    min-width: 0;
    gap: 9px;
    padding-top: 2px;
  }
  .menu_jaxa-logo { width: 76px; }
  .menu_pd-logo { width: 42px; height: 42px; }
  .menu_toggle-btn {
    display: flex;
    flex-shrink: 0;
    order: 2;
  }
  .menu_nav {
    display: none;
    order: 3;
    flex: 0 0 100%;
    width: 100%;
    max-width: none;
    margin: 8px 0 0;
    padding: 8px;
    background: linear-gradient(180deg, rgba(255,255,255,0.99), rgba(247,250,253,0.98));
    border: 1px solid rgba(54, 78, 150, 0.22);
    border-radius: 4px;
    box-shadow: 0 12px 28px rgba(17, 24, 39, 0.14);
  }
  .org-cluster {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .org-cluster-card {
    padding: 14px;
  }
  .menu_toggle:checked ~ .menu_header .menu_nav { display: block; animation: menu_mobileDrop 0.16s ease both; }
  @keyframes menu_mobileDrop { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }
  .menu_list { flex-direction: column; align-items: stretch; gap: 4px; }
  .menu_item { width: 100%; }
  /* スマホ時のXリンク */
  .menu_social-item {
    width: 100%;
  }

  .menu_social-link {
    justify-content: flex-start;
    width: 100%;
    min-height: 44px;
    padding: 10px 13px;
  }

  .menu_social-icon {
    width: 21px;
    height: 21px;
  }
  .menu_has-sub::after { display: none !important; }
  .menu_link, .menu_sub-label { justify-content: flex-start; width: 100%; min-height: 44px; padding: 10px 13px; border-radius: 3px; font-size: 0.95rem; }
  .menu_sub-list { position: static; min-width: 0; width: 100%; margin: 3px 0 6px; padding: 4px 0 4px 14px; background: transparent; border: none; border-left: 3px solid rgba(54, 78, 150, 0.55); border-radius: 0; box-shadow: none; }
  .menu_sub-list::before { display: none; }
  .menu_sub-item a { padding: 9px 12px 9px 18px; color: var(--fg-d); font-size: 0.92rem; }
  .menu_sub-item a:hover { transform: none; background-color: rgba(54, 78, 150, 0.07); }
  .hero { min-height: 420px; }
  .hero-content { align-items: flex-start; text-align: left; padding-top: 72px; }
  .section-contents { padding: 22px 18px; }
  .lead-layout { flex-direction: column; }
  .lead-image-wrapper { width: 100%; max-width: 360px; margin-inline: auto; }

  .news-item {
    grid-template-columns: 96px 1fr;
    gap: 8px 14px;
    align-items: start;
    padding: 12px;
  }

  .news-thumb {
    grid-row: span 2;
  }

  .news-date {
    align-self: end;
  }

  .news-title {
    align-self: start;
    font-size: 0.96rem;
  }

  .news-item--no-image {
    grid-template-columns: 1fr;
  }

  .news-more {
    margin-top: 14px;
    text-align: right;
  }


  .link-subtle {
    font-size: 0.9rem;
  }

  .project-container {
    grid-template-columns: 1fr;
  }
  .project-card { height: 360px; }
  .footer-links-area {
    grid-template-columns: 1fr;
    gap: 22px;
    padding-bottom: 24px;
  }

  .footer-link-title {
    margin-bottom: 10px;
  }

  .footer-link-list {
    gap: 7px;
  }

  .footer-bottom {
    flex-direction: column;
  }

  
  .org-logo-trigger {
    width: min(230px, 70vw);
    padding: 16px;
  }

  .org-logo-trigger .org-logo-image {
    width: min(175px, 82%);
  }


}

@media (max-width: 768px) {
  .org-layout--compact {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .org-logo-card,
  .org-chart-card--compact {
    min-height: auto;
  }

  .org-logo-image {
    width: min(200px, 64%);
    max-height: 200px;
  }

  .org-chart-card--compact .org-chart-link {
    min-height: auto;
  }

  .org-chart-image--compact {
    max-width: 100%;
    max-height: 240px;
  }

  .org-text--below {
    margin-top: 18px;
    padding: 16px;
  }
}


/* スマホでは1カラムで自然に広げる */
@media (max-width: 640px) {
  .news-container--fixed {
    grid-template-columns: 1fr;
  }
  
  /* モーダルのレスポンシブ対応 */
  .modal-body {
    grid-template-columns: 1fr;
  }

}



@media (max-width: 480px) {
  .menu_jaxa-logo { width: 68px; }
  .menu_pd-logo { width: 38px; height: 38px; }
  .hero h1 { font-size: clamp(2.15rem, 14vw, 3.4rem); }
  .news-item {
    grid-template-columns: 1fr;
  }
  .news-thumb {
    grid-row: auto;
  }
  .news-date {
    margin-top: 2px;
  }
  .org-cluster-card h3 {
    font-size: 0.9rem;
  }
  .tree-parent {
    font-size: 0.88rem;
  }
  .tree-simple li {
    font-size: 0.86rem;
  }

  .hero h1 {
    font-size: clamp(2rem, 9.6vw, 2.75rem);
    line-height: 1.05;
  }

  .hero-title {
    justify-content: flex-start;
    gap: 0.22em;
  }

  .hero-title-main {
    white-space: nowrap;
  }

  .hero h2 {
    font-size: clamp(1.05rem, 5.6vw, 1.45rem);
    line-height: 1.25;
  }

  .hero-kicker {
    font-size: 0.68rem;
    line-height: 1.4;
    letter-spacing: 0.12em;
  }
  
  .section-title {
    padding-left: 14px;
    padding-bottom: 12px;
  }

  #pd-title {
    font-size: clamp(1.22rem, 5.2vw, 1.45rem);
    line-height: 1.45;
    letter-spacing: -0.02em;
    padding-left: 12px;
    padding-right: 0;
    word-break: keep-all;
    overflow-wrap: normal;
  }

  #pd-title::before {
    width: 4px;
  }

}

@media (hover: hover) {
  .org-cluster-card {
    transition:
      transform 0.28s ease,
      box-shadow 0.28s ease;
  }

  .org-cluster-card:hover {
    transform: translateY(-6px);

    box-shadow:
      0 18px 36px rgba(17, 24, 39, 0.14),
      0 6px 16px rgba(17, 24, 39, 0.08);
  }
}