/* 結家グループ 共通スタイル。index.html と下層ページ(/staff/ /blog/)で共有する。
   ページ固有のスタイルは各HTMLの <style> に書く */

/* ベースはスマホ幅。min-widthでタブレット/PCへ拡張(モバイルファースト)
   70代でも読みやすいよう、基準17px・本文は中太・文字色は白地で4.5:1以上 */
:root {
  color-scheme: light;
  --bg: #F1F8FB;
  --white: #FFFFFF;
  --text: #33434c;
  --text-sub: #45535b;
  --heading: #26343d;
  --blue-text: #16698f;
  --pink: #E8577D;
  --pink-text: #c33c62;
  --line: #c9dde6;
  --shadow: rgba(7, 130, 190, 0.12);
}
html { font-size: 106.25%; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Zen Maru Gothic", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  font-weight: 500;
  background: var(--bg);
  color: var(--text);
  line-height: 1.9;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  word-break: auto-phrase;
  text-wrap: pretty;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

/* ---- 共通セクション ---- */
main { padding: 0 0.9rem 3rem; overflow-x: clip; }
.section {
  max-width: 960px;
  margin: 0 auto;
  padding: 2.75rem 0 0.5rem;
}
.eyebrow {
  display: block;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--blue-text);
  letter-spacing: 0.2em;
}
.section h2 {
  margin: 0.2rem 0 1rem;
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--heading);
  letter-spacing: 0.06em;
}
.section h2::after {
  content: "";
  display: block;
  width: 36px;
  height: 3px;
  margin: 0.7rem auto 0;
  border-radius: 3px;
  background: var(--pink);
}
.section-lead {
  margin: 0 auto 1.75rem;
  max-width: 34em;
  font-size: 1rem;
  color: var(--text-sub);
  text-align: center;
}
.card {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 2px 12px var(--shadow);
}

footer {
  text-align: center;
  padding: 2rem 1.25rem 2.5rem;
  font-size: 0.88rem;
  color: #55636b;
}

@media (min-width: 640px) {
    main { padding: 0 1.5rem 4rem; }
    .section { padding-top: 3.5rem; }
    .section h2 { font-size: 1.7rem; }
}

/* ================================================================
   下層ページ(/staff/ /blog/)。トップと同じ部品づかい＝白いカード・
   藍の見出し・桃色の下線。スマホ基準で、640/900で列を増やす
   ================================================================ */

/* ---- ページの上の帯(サイト名＋トップへ戻る) ---- */
/* ヘッダーは上に貼り付いたまま。境目の線は引かない。
   一番上では下地と同じに見せ、スクロールした時だけすりガラスにする */
.page-head {
  position: sticky;
  top: 0;
  z-index: 60;
  isolation: isolate;
  background: transparent;
  transition: background 0.25s ease, backdrop-filter 0.25s ease;
}
/* すりガラスは下ほど薄くして、切れ目が線に見えないようにする */
.page-head::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(255, 255, 255, 0.74);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-mask-image: linear-gradient(to bottom, #000 76%, rgba(0, 0, 0, 0));
  mask-image: linear-gradient(to bottom, #000 76%, rgba(0, 0, 0, 0));
  opacity: 0;
  transition: opacity 0.25s ease;
}
.page-head.is-stuck::before { opacity: 1; }
/* すりガラスが使えないブラウザは、白を濃くして文字を守る */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .page-head::before { background: rgba(255, 255, 255, 0.96); }
}
@media (prefers-reduced-motion: reduce) {
  .page-head { transition: none; }
}
/* 見出しへのリンクで飛んだ時、ヘッダーの下に隠れないようにする */
html { scroll-padding-top: calc(var(--head-h, 76px) + 0.5rem); }
.page-head-in {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.2rem 1.5rem;
  max-width: 960px;
  margin: 0 auto;
  padding: 0.6rem 0.9rem 0.3rem;
}
.page-home {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 0;
  text-decoration: none;
}
.page-home img { width: 34px; height: 34px; margin-top: 5px; }
.page-home span {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--heading);
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.page-home ruby { ruby-position: over; }
.page-home rt { font-size: 0.4em; font-weight: 700; letter-spacing: 0.1em; color: inherit; }
/* メニューは隠さず並べる(押す前に中身が分かるように。読者は70代も想定) */
.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0 0.3rem;
  margin-left: auto;
}
.site-nav a {
  position: relative;
  padding: 0.62rem 0.32rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--blue-text);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.22s ease;
}
/* マウスを乗せると桃色の線が左から伸びる。いま開いているページは線を出したまま */
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0.32rem;
  right: 0.32rem;
  bottom: 0.3rem;
  height: 3px;
  border-radius: 3px;
  background: var(--pink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.22s ease;
}
.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current] { color: var(--pink-text); }
.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a[aria-current]::after { transform: scaleX(1); }
/* 指で触る画面は、触った跡が残らないように乗せた時の変化を出さない */
@media (hover: none) {
  .site-nav a:hover { color: var(--blue-text); }
  .site-nav a:hover::after { transform: scaleX(0); }
  .site-nav a[aria-current]:hover { color: var(--pink-text); }
  .site-nav a[aria-current]:hover::after { transform: scaleX(1); }
}
@media (prefers-reduced-motion: reduce) {
  .site-nav a,
  .site-nav a::after { transition: none; }
}

/* ---- スタッフ紹介 ---- */
.staff-grid {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.staff { padding: 1.4rem 1.1rem 1.5rem; text-align: center; }
.staff-photo {
  width: 124px;
  height: 124px;
  margin: 0 auto 0.9rem;
  border-radius: 50%;
  object-fit: cover;
  background: #e4f4fb;
}
.staff-photo.is-empty {
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #e4f4fb, #fdeef3);
  color: var(--blue-text);
  font-size: 0.9rem;
  font-weight: 700;
}
.staff-role {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--blue-text);
}
.staff-name {
  margin: 0.1rem 0 0.7rem;
  overflow-wrap: anywhere;
  font-size: 1.25rem;
  line-height: 1.5;
  color: var(--heading);
}
.staff-name::after {
  content: "";
  display: block;
  width: 28px;
  height: 3px;
  margin: 0.7rem auto 0;
  border-radius: 3px;
  background: var(--pink);
}
.staff-text { text-align: left; }
.staff-text p { margin: 0 0 0.7em; font-size: 1rem; color: var(--text-sub); }
.staff-text p:last-child { margin-bottom: 0; }

/* ---- ブログ一覧 ---- */
.blog-year {
  margin: 2rem 0 0.9rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--blue-text);
  letter-spacing: 0.06em;
}
.blog-year:first-of-type { margin-top: 0.5rem; }
.post-list {
  display: grid;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.post-item {
  display: flex;
  align-items: stretch;
  text-decoration: none;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.post-item:hover,
.post-item:focus-visible {
  box-shadow: 0 10px 24px rgba(7, 130, 190, 0.2);
  transform: translateY(-3px);
}
.post-item:focus-visible { outline: 3px solid var(--pink-text); outline-offset: 2px; }
.post-thumb {
  flex: 0 0 34%;
  max-width: 150px;
  align-self: stretch;
  object-fit: cover;
  background: linear-gradient(135deg, #e4f4fb, #fdeef3);
}
.post-item-body {
  flex: 1;
  min-width: 0;
  padding: 0.9rem 1rem 1rem;
}
.post-date {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--blue-text);
}
.post-item h3 {
  margin: 0.15rem 0 0.4rem;
  overflow-wrap: anywhere;
  font-size: 1.08rem;
  line-height: 1.55;
  color: var(--heading);
}
.post-excerpt {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  margin: 0;
  overflow-wrap: anywhere;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-sub);
}

/* ---- 記事ページ ---- */
.post { padding: 1.4rem 1.1rem 1.6rem; }
.post h1 {
  margin: 0.2rem 0 1.1rem;
  overflow-wrap: anywhere;
  font-size: 1.5rem;
  line-height: 1.6;
  color: var(--heading);
}
.post h1::after {
  content: "";
  display: block;
  width: 36px;
  height: 3px;
  margin: 0.9rem 0 0;
  border-radius: 3px;
  background: var(--pink);
}
.post-photo {
  width: 100%;
  margin: 0 0 1.3rem;
  border-radius: 14px;
}
.post-body p { margin: 0 0 1.1em; font-size: 1.05rem; }
.post-body p:last-child { margin-bottom: 0; }
.post-body a { color: var(--blue-text); overflow-wrap: anywhere; }
.post-body strong { font-weight: 700; color: var(--heading); }
/* Wordから貼られた表は、狭い画面では横にすべらせて読む */
.post-body table {
  display: block;
  width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  margin: 0 0 1.2em;
  font-size: 0.95rem;
}
.post-body td, .post-body th {
  border: 1px solid var(--line);
  padding: 0.5rem 0.6rem;
  vertical-align: top;
  min-width: 7em;
}
.post-body td p { margin: 0; font-size: 0.95rem; }
.post-nav {
  display: grid;
  gap: 0.6rem;
  margin: 1.5rem 0 0;
}
.post-nav a {
  padding: 0.85rem 1rem;
  border-radius: 14px;
  background: var(--white);
  box-shadow: 0 2px 12px var(--shadow);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--blue-text);
  text-align: center;
}
.post-nav a span { display: block; font-size: 0.9rem; font-weight: 500; color: var(--text-sub); }

@media (min-width: 640px) {
  .page-head-in { padding: 0.7rem 1.5rem 0.4rem; }
  .site-nav a { padding: 0.65rem 0.75rem; font-size: 1.02rem; }
  .site-nav { gap: 0 0.35rem; }
  .staff-grid { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
  .post-list { gap: 1rem; }
  .post-thumb { flex-basis: 30%; max-width: 220px; }
  .post-item-body { padding: 1.1rem 1.3rem; }
  .post-item h3 { font-size: 1.2rem; }
  .post-excerpt { -webkit-line-clamp: 3; }
  .post { padding: 2rem 2.2rem 2.2rem; }
  .post h1 { font-size: 1.85rem; }
  .post-nav { grid-template-columns: 1fr 1fr 1fr; }
}
@media (min-width: 900px) {
  .staff-grid { grid-template-columns: repeat(3, 1fr); }
  .blog-year { margin-top: 2.5rem; }
}