:root {
  --ink: #172431;
  --muted: #586875;
  --paper: #ffffff;
  --soft: #f3f7f8;
  --line: #dce5e8;
  --accent: #006f73;
  --accent-dark: #005f62;
  --blue: #2e6fbb;
  --max: 1180px;
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Hiragino Sans", "Yu Gothic", "Noto Sans JP", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
a:focus-visible, summary:focus-visible { outline: 3px solid #005f62; outline-offset: 4px; border-radius: 4px; }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 99; background: #fff; padding: .7rem 1rem; border: 2px solid var(--accent); }
.skip-link:focus { top: 1rem; }
.site-header { border-bottom: 1px solid var(--line); background: rgba(255,255,255,.96); position: sticky; top: 0; z-index: 20; }
.header-inner { max-width: var(--max); margin: auto; min-height: 76px; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { text-decoration: none; display: inline-flex; align-items: baseline; gap: .65rem; font-weight: 800; letter-spacing: .03em; }
.brand small { color: var(--accent); font-size: .68rem; letter-spacing: .16em; }
.nav { display: flex; gap: 1.6rem; align-items: center; }
.nav a { text-decoration: none; font-size: .9rem; font-weight: 700; }
.nav a:hover, .nav a:focus-visible { color: var(--accent); }
.mobile-menu { display: none; position: relative; }
.mobile-menu summary { cursor: pointer; font-weight: 800; list-style: none; border: 1px solid var(--line); border-radius: 999px; padding: .45rem .8rem; }
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu[open] .mobile-links { position: absolute; right: 0; top: 3rem; width: min(280px, calc(100vw - 36px)); background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: .55rem; box-shadow: 0 18px 42px rgba(23,36,49,.14); display: grid; }
.mobile-links a { text-decoration: none; font-weight: 700; padding: .72rem .8rem; border-radius: 9px; }
.mobile-links a:hover { background: var(--soft); }
.container { max-width: var(--max); margin: auto; padding-inline: 24px; }
.hero { padding: clamp(3.5rem, 7vw, 7rem) 0 4rem; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.eyebrow { margin: 0 0 1rem; color: var(--accent); text-transform: uppercase; letter-spacing: .14em; font-weight: 800; font-size: .78rem; }
h1 { margin: 0; font-size: clamp(2.45rem, 5vw, 4.9rem); line-height: 1.16; letter-spacing: -.045em; }
.hero-copy { color: var(--muted); font-size: clamp(1rem, 1.5vw, 1.16rem); max-width: 34rem; margin: 1.5rem 0 2rem; }
.primary-link { display: inline-flex; align-items: center; gap: .75rem; border-radius: 999px; background: var(--ink); color: #fff; text-decoration: none; font-weight: 800; padding: .9rem 1.35rem; transition: transform .2s, background .2s; }
.primary-link::after { content: "→"; }
.primary-link:hover { background: var(--accent-dark); transform: translateY(-2px); }
.primary-link:focus-visible, .topic-card:focus-visible { outline: 3px solid #005f62; outline-offset: 4px; }
.hero-panel { min-height: 430px; border-radius: 28px; background: #dceff0; display: flex; align-items: end; position: relative; overflow: hidden; }
.hero-photo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 57% center; }
.panel-note { position: relative; z-index: 2; background: rgba(255,255,255,.93); border: 1px solid rgba(255,255,255,.9); border-radius: 16px; padding: 1.25rem; width: min(310px, 90%); box-shadow: 0 18px 45px rgba(15, 54, 67, .13); }
.panel-note strong { display: block; font-size: 1.12rem; margin-bottom: .25rem; }
.panel-note span { color: var(--muted); font-size: .9rem; }
.section { padding: clamp(4rem, 8vw, 7rem) 0; }
.section-soft { background: var(--soft); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 2rem; }
.section-head h2 { margin: 0; font-size: clamp(1.9rem, 3vw, 2.8rem); line-height: 1.3; letter-spacing: -.025em; }
.section-head p { margin: 0; max-width: 30rem; color: var(--muted); }
.topics { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.topic-card { padding: 1.75rem 1.4rem 2rem; text-decoration: none; border-right: 1px solid var(--line); min-height: 245px; display: flex; flex-direction: column; transition: background .2s, transform .2s; }
.topic-card:first-child { border-left: 1px solid var(--line); }
.topic-card:hover { background: #fff; transform: translateY(-4px); }
.topic-index { color: var(--accent); font-weight: 800; font-size: .78rem; letter-spacing: .12em; }
.topic-card h3 { margin: auto 0 .45rem; font-size: 1.35rem; }
.topic-card p { margin: 0; color: var(--muted); font-size: .92rem; line-height: 1.65; }
.topic-arrow { margin-top: 1.2rem; font-weight: 800; color: var(--accent-dark); }
.text-link { font-weight: 800; text-underline-offset: .25em; text-decoration-thickness: 1px; }
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.article-grid.two { grid-template-columns: repeat(2, 1fr); }
.article-card { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; text-decoration: none; background: #fff; min-height: 100%; transition: transform .2s, box-shadow .2s; }
.article-card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(23,36,49,.08); }
.article-card:focus-visible, .text-link:focus-visible, .nav a:focus-visible, .mobile-links a:focus-visible { outline: 3px solid #005f62; outline-offset: 3px; }
.card-visual { min-height: 150px; padding: 1.2rem; display: flex; align-items: end; background-color: #dbeff0; background-image: radial-gradient(circle at 80% 30%, transparent 0 26px, rgba(0,95,98,.2) 27px 29px, transparent 30px 50px, rgba(0,95,98,.12) 51px 53px, transparent 54px); color: var(--accent-dark); font-weight: 900; font-size: 1.05rem; letter-spacing: .02em; }
.card-visual.dx { background-color: #e4ecf8; background-image: linear-gradient(rgba(46,93,152,.13) 1px, transparent 1px), linear-gradient(90deg, rgba(46,93,152,.13) 1px, transparent 1px); background-size: 24px 24px; color: #2e5d98; }
.card-visual.nutrition { background-color: #edf2df; background-image: repeating-linear-gradient(125deg, transparent 0 18px, rgba(82,105,45,.12) 19px 21px, transparent 22px 39px); color: #52692d; }
.card-visual.fall { background-color: #f4e9df; background-image: linear-gradient(145deg, transparent 0 55%, rgba(128,85,54,.12) 56% 62%, transparent 63%), linear-gradient(35deg, transparent 0 72%, rgba(128,85,54,.1) 73% 78%, transparent 79%); color: #805536; }
.card-body { padding: 1.25rem; }
.meta { margin: 0 0 .55rem; color: var(--muted); font-size: .78rem; letter-spacing: .03em; }
.article-card h2, .article-card h3 { margin: 0; font-size: 1.18rem; line-height: 1.55; }
.article-card .summary { color: var(--muted); margin: .7rem 0 0; font-size: .9rem; line-height: 1.7; }
.latest-list { border-top: 1px solid var(--line); }
.latest-item { display: grid; grid-template-columns: 9rem 1fr auto; gap: 1.5rem; align-items: center; padding: 1.2rem 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.latest-item time, .latest-item span { color: var(--muted); font-size: .86rem; }
.latest-item strong { font-size: 1rem; }
.latest-item:hover strong { color: var(--accent); }
.about-box { border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.5rem, 4vw, 3rem); display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: center; }
.page-hero { padding: clamp(3.5rem, 8vw, 7rem) 0 3rem; background: var(--soft); }
.page-hero h1 { max-width: 820px; font-size: clamp(2.3rem, 5vw, 4.5rem); }
.page-hero p:last-child { max-width: 680px; color: var(--muted); font-size: 1.05rem; }
.breadcrumbs { font-size: .82rem; color: var(--muted); margin-bottom: 1.2rem; }
.breadcrumbs a { text-underline-offset: .2em; }
.prose { max-width: 760px; margin: 0 auto; }
.prose h2 { margin: 3rem 0 1rem; font-size: 1.65rem; line-height: 1.45; }
.prose h3 { margin: 2rem 0 .75rem; }
.prose p, .prose li { color: #334653; }
.prose li + li { margin-top: .55rem; }
.lead { font-size: 1.14rem; color: var(--ink) !important; }
.note { border-left: 4px solid var(--accent); background: var(--soft); padding: 1rem 1.2rem; margin: 2rem 0; }
.inline-source { color: var(--muted) !important; font-size: .88rem; margin-top: -.4rem; }
.source-list { padding-left: 1.2rem; }
.source-list a { color: var(--accent-dark); text-underline-offset: .22em; }
.article-header { max-width: 850px; }
.article-header h1 { font-size: clamp(2.25rem, 5vw, 4.3rem); }
.article-meta { display: flex; flex-wrap: wrap; gap: .75rem 1.25rem; margin-top: 1.25rem; color: var(--muted); font-size: .86rem; }
.back-row { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.error-wrap { min-height: 70vh; display: grid; place-items: center; text-align: center; }
.footer { border-top: 1px solid var(--line); padding: 2.5rem 0; color: var(--muted); font-size: .88rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }

@media (max-width: 900px) {
  .nav { display: none; }
  .mobile-menu { display: block; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-panel { min-height: 320px; }
  .topics { grid-template-columns: repeat(2, 1fr); }
  .topic-card:nth-child(3) { border-left: 1px solid var(--line); }
  .article-grid, .article-grid.two { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .header-inner { min-height: 66px; padding-inline: 18px; }
  .brand small { display: none; }
  .container { padding-inline: 18px; }
  .hero { padding-top: 2.6rem; }
  .hero-panel { min-height: 270px; }
  .section-head { display: block; }
  .section-head p { margin-top: .75rem; }
  .topics { grid-template-columns: 1fr; }
  .topic-card, .topic-card:nth-child(3) { border-left: 1px solid var(--line); }
  .topic-card { min-height: 190px; padding: 1.3rem 1.15rem; }
  .topic-card h3 { margin-top: 2rem; }
  .article-grid, .article-grid.two { grid-template-columns: 1fr; }
  .latest-item { grid-template-columns: 1fr auto; gap: .25rem 1rem; }
  .latest-item time { grid-column: 1 / -1; }
  .about-box { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}

/* WordPress integration */
.admin-bar .site-header { top: 32px; }
.navigation.pagination { margin-top: 2rem; }
.nav-links { display: flex; gap: .5rem; flex-wrap: wrap; }
.page-numbers { border: 1px solid var(--line); border-radius: 999px; padding: .45rem .8rem; text-decoration: none; }
.page-numbers.current { background: var(--ink); color: #fff; }
.prose img, .prose figure { max-width: 100%; height: auto; }
.prose blockquote { margin: 2rem 0; padding: .5rem 0 .5rem 1.25rem; border-left: 4px solid var(--accent); }
.prose .wp-block-heading:first-child { margin-top: 0; }
@media (max-width: 782px) { .admin-bar .site-header { top: 46px; } }
@media (max-width: 600px) { .admin-bar .site-header { top: 0; } }
.empty-state { color: var(--muted); border: 1px dashed var(--line); border-radius: var(--radius); padding: 1.25rem; }


/* Rehacare topics visual enhancement */
#topics {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 10% 18%, rgba(38, 127, 124, 0.14) 0, transparent 26rem),
    radial-gradient(circle at 92% 84%, rgba(69, 116, 158, 0.12) 0, transparent 28rem),
    linear-gradient(180deg, #f5faf9 0%, #edf6f5 100%);
}

#topics::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(36, 94, 94, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 94, 94, 0.12) 1px, transparent 1px);
  background-size: 32px 32px;
}

#topics .container {
  position: relative;
  z-index: 1;
}

#topics .topics {
  gap: 1rem;
  border-top: 0;
}

#topics .topic-card,
#topics .topic-card:first-child,
#topics .topic-card:nth-child(3) {
  position: relative;
  border: 1px solid rgba(36, 94, 94, 0.16);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 18px 45px rgba(28, 65, 65, 0.08);
  backdrop-filter: blur(8px);
}

#topics .topic-card:hover {
  background: #fff;
  box-shadow: 0 22px 55px rgba(28, 65, 65, 0.14);
  transform: translateY(-6px);
}

#topics .topic-card::before {
  content: "";
  position: absolute;
  top: 1.15rem;
  right: 1.15rem;
  width: 60px;
  height: 60px;
  border: 1.5px solid rgba(40, 111, 112, 0.18);
  border-radius: 18px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: 35px 35px;
  box-shadow: 0 10px 26px rgba(35, 91, 91, 0.12);
}

#topics .topic-card:nth-child(1)::before { background-color: rgba(214, 239, 237, 0.96); background-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAzMiAzMiIgZmlsbD0ibm9uZSIgc3Ryb2tlPSIjMjg2ZjcwIiBzdHJva2Utd2lkdGg9IjEuOCIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48Y2lyY2xlIGN4PSIxNiIgY3k9IjE2IiByPSI0Ii8+PGNpcmNsZSBjeD0iNyIgY3k9IjgiIHI9IjIiLz48Y2lyY2xlIGN4PSIyNSIgY3k9IjgiIHI9IjIiLz48Y2lyY2xlIGN4PSI3IiBjeT0iMjQiIHI9IjIiLz48Y2lyY2xlIGN4PSIyNSIgY3k9IjI0IiByPSIyIi8+PHBhdGggZD0iTTEwIDEwLjVsMyAzTTIyIDEwLjVsLTMgM00xMCAyMS41bDMtM00yMiAyMS41bC0zLTMiLz48L3N2Zz4="); }
#topics .topic-card:nth-child(2)::before { background-color: rgba(226, 237, 247, 0.96); background-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAzMiAzMiIgZmlsbD0ibm9uZSIgc3Ryb2tlPSIjMjg2ZjcwIiBzdHJva2Utd2lkdGg9IjEuOCIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cmVjdCB4PSI0IiB5PSI1IiB3aWR0aD0iOSIgaGVpZ2h0PSI3IiByeD0iMiIvPjxyZWN0IHg9IjE5IiB5PSIyMCIgd2lkdGg9IjkiIGhlaWdodD0iNyIgcng9IjIiLz48cGF0aCBkPSJNMTMgOC41aDVhNiA2IDAgMDE2IDZ2Mk0xOSAyMy41aC01YTYgNiAwIDAxLTYtNnYtMk0yMSAxNGwzIDMgMy0zTTExIDE4bC0zLTMtMyAzIi8+PC9zdmc+"); }
#topics .topic-card:nth-child(3)::before { background-color: rgba(230, 242, 226, 0.96); background-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAzMiAzMiIgZmlsbD0ibm9uZSIgc3Ryb2tlPSIjMjg2ZjcwIiBzdHJva2Utd2lkdGg9IjEuOCIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNMjYgNkMxNSA2IDggMTEgOCAyMGMwIDQgMyA3IDcgNyA5IDAgMTEtMTAgMTEtMjF6Ii8+PHBhdGggZD0iTTcgMjdjMy03IDgtMTEgMTUtMTZNNyAyN2gxOCIvPjwvc3ZnPg=="); }
#topics .topic-card:nth-child(4)::before { background-color: rgba(247, 237, 220, 0.96); background-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAzMiAzMiIgZmlsbD0ibm9uZSIgc3Ryb2tlPSIjMjg2ZjcwIiBzdHJva2Utd2lkdGg9IjEuOCIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNMTYgM2wxMCA0djdjMCA3LTQgMTItMTAgMTVDMTAgMjYgNiAyMSA2IDE0VjdsMTAtNHoiLz48cGF0aCBkPSJNMTEgMTZsMyAzIDctNyIvPjwvc3ZnPg=="); }

@media (min-width: 700px) {
  #topics .topics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.75rem;
  }

  #topics .topic-card {
    min-height: 220px;
    padding: 1.1rem 1rem 1.3rem;
  }

  #topics .topic-card::before {
    top: 1rem;
    right: 1rem;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background-size: 28px 28px;
  }

  #topics .topic-card h3,
  #topics .topic-card:nth-child(2) h3 {
    margin: 2.4rem 0 0.4rem;
    padding-right: 0;
    font-size: 1.05rem;
    letter-spacing: normal;
    white-space: normal;
  }

  #topics .topic-card p {
    font-size: 0.86rem;
  }

  #topics .topic-arrow {
    margin-top: 0.75rem;
  }
}


/* Article H1 editorial background — pattern B */
.single-post .page-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: linear-gradient(125deg, #f7faf9 0 56%, #dceeed 56% 74%, #c7e3e1 74% 100%);
}

.single-post .page-hero::before {
  position: absolute;
  z-index: -1;
  right: 4%;
  bottom: -18px;
  white-space: pre;
  color: rgba(43, 119, 118, 0.11);
  font-size: clamp(4rem, 7vw, 5.75rem);
  font-weight: 700;
  line-height: 0.78;
  letter-spacing: -0.06em;
  text-align: right;
  pointer-events: none;
}

.single-post .page-hero[data-topic="ai"]::before {
  content: "AI\A PRACTICE";
}

.single-post .page-hero[data-topic="dx"]::before {
  content: "DX\A PRACTICE";
}

.single-post .page-hero[data-topic="nutrition"]::before {
  content: "NUTRITION\A CARE";
}

.single-post .page-hero[data-topic="fall-prevention"]::before {
  content: "FALL\A PREVENTION";
}

.single-post .article-header {
  position: relative;
  z-index: 1;
  padding-left: 30px;
}

.single-post .article-header::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 0;
  width: 8px;
  border-radius: 999px;
  background: #2b7776;
}

.single-post .article-header h1 {
  max-width: 820px;
  text-wrap: balance;
}

@media (max-width: 700px) {
  .single-post .page-hero::before {
    right: -18px;
    bottom: -6px;
    font-size: 3.6rem;
    opacity: 0.72;
  }

  .single-post .article-header {
    padding-left: 22px;
  }

  .single-post .article-header::before {
    width: 6px;
  }
}