/* ============================================================
   中部ダイカスト人材育成ネットワーク（中部DCN）
   モバイルファースト / Cloudflare Pages デプロイ前提
   ============================================================ */

/* ====== CSS Variables（F-02 デザインシステム） ====== */
:root {
  --color-primary: #0e2742;
  --color-primary-rgb: 14, 39, 66;
  --color-accent:  #c8741f;
  --color-accent-rgb: 200, 116, 31;
  --color-base:    #f4efe6;
  --color-base-rgb: 244, 239, 230;
  --color-text:    #1a1a1a;
  --color-muted:   #5e5e5e;
  --color-border:  rgba(14, 39, 66, 0.12);
  --color-border-strong: rgba(14, 39, 66, 0.24);

  --font-serif: "Noto Serif JP", "Cormorant Garamond", serif;
  --font-sans:  "Noto Sans JP", "Inter", -apple-system, BlinkMacSystemFont, sans-serif;

  --header-h: 64px;
  --radius-sm: 4px;
  --radius-pill: 999px;

  /* portfolio-notice 用 */
  --pn-bg: var(--color-primary);
  --pn-fg: var(--color-base);
  --pn-fg-rgb: var(--color-base-rgb);
  --pn-accent: var(--color-accent);
  --pn-font: var(--font-serif);
}

/* ====== reset / base ====== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.85;
  color: var(--color-text);
  background: var(--color-base);
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  letter-spacing: 0.02em;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--color-accent); }
ul { list-style: none; padding: 0; margin: 0; }

h1, h2, h3 { font-family: var(--font-serif); font-weight: 500; line-height: 1.4; letter-spacing: 0.04em; }
h1 { font-size: 1.953rem; margin: 0 0 1rem; }
h2 { font-size: 1.563rem; margin: 0 0 1rem; }
h3 { font-size: 1.25rem; margin: 0 0 0.6rem; }
p { margin: 0 0 1rem; }

/* ============================================================
   ポートフォリオ告知バナー（指示書準拠）
   ============================================================ */
.portfolio-notice {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 300;
  background: var(--pn-bg);
  color: var(--pn-fg);
  padding: 0.55rem 1rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-align: center;
  line-height: 1.6;
  border-bottom: 1px solid var(--pn-accent);
  font-family: var(--pn-font);
}
.portfolio-notice strong {
  color: var(--pn-accent);
  letter-spacing: 0.2em;
  margin-right: 0.6rem;
  font-weight: 500;
}
.portfolio-notice .pn-close {
  background: transparent;
  border: 1px solid rgba(var(--pn-fg-rgb), 0.4);
  color: var(--pn-fg);
  font-size: 0.7rem;
  padding: 2px 8px;
  margin-left: 0.8rem;
  cursor: pointer;
  letter-spacing: 0.1em;
  transition: all 0.3s;
  font-family: inherit;
}
.portfolio-notice .pn-close:hover {
  background: var(--pn-accent);
  border-color: var(--pn-accent);
  color: var(--pn-bg);
}

/* notice-visible クラスで本体押し下げ */
body.notice-visible { padding-top: 44px; }
body.notice-visible .site-header { top: 44px; }

@media (max-width: 720px) {
  .portfolio-notice {
    font-size: 0.7rem;
    padding: 0.5rem 0.8rem;
  }
  body.notice-visible { padding-top: 64px; }
  body.notice-visible .site-header { top: 64px; }
}

/* ============================================================
   ヘッダー（指示書準拠：backdrop-filter は ::before に逃がす）
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 200;
  border-bottom: 1px solid var(--color-border);
  transition: top 0.3s;
}
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(244, 239, 230, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: -1;
}
.header-inner {
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo-mark {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-primary);
  letter-spacing: 0.08em;
}
.logo-sub {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  color: var(--color-muted);
  letter-spacing: 0.12em;
  margin-top: 2px;
}
.header-cta {
  display: none;
  background: var(--color-accent);
  color: #fff !important;
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.1em;
}
.header-cta:hover { background: #b86618; color: #fff !important; }

/* ====== ハンバーガー（指示書準拠 z-index:220） ====== */
.hamburger {
  width: 44px; height: 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  position: relative;
  z-index: 220;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform 0.35s cubic-bezier(.4,0,.2,1), opacity 0.35s, background 0.35s;
  transform-origin: center;
}
.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ====== drawer-mask & drawer（指示書準拠） ====== */
.drawer-mask {
  position: fixed;
  inset: 0;
  background: rgba(14, 39, 66, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s;
  z-index: 210;
}
.drawer-mask.is-open {
  opacity: 1;
  pointer-events: auto;
}

.drawer {
  position: fixed;
  top: 0; right: 0;
  width: 80vw;
  max-width: 360px;
  height: 100dvh;
  background: var(--color-base);
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(.4,0,.2,1);
  z-index: 215;
  padding: calc(var(--header-h) + 1rem) 1.5rem 2rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.drawer.is-open {
  transform: translateX(0);
  box-shadow: -8px 0 32px rgba(14, 39, 66, 0.18);
}

/* 告知バナー併設時の押し下げ */
body.notice-visible .drawer { padding-top: calc(var(--header-h) + 44px + 1rem); }
@media (max-width: 720px) {
  body.notice-visible .drawer { padding-top: calc(var(--header-h) + 64px + 1rem); }
}

.drawer-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 2rem;
}
.drawer-list a {
  display: block;
  padding: 0.95rem 0.4rem;
  border-bottom: 1px solid var(--color-border);
  font-weight: 500;
  font-size: 1rem;
  color: var(--color-text);
}
.drawer-list a:hover { color: var(--color-accent); }
.drawer-cta {
  margin-top: 1.2rem;
  background: var(--color-accent);
  color: #fff !important;
  border-radius: var(--radius-pill);
  text-align: center;
  padding: 0.95rem 1rem !important;
  border: none !important;
  font-weight: 700 !important;
  letter-spacing: 0.05em;
}
.drawer-cta:hover { background: #b86618; color: #fff !important; }
.drawer-footer {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}
.drawer-tel { display: flex; flex-direction: column; gap: 0.2rem; font-size: 0.85rem; }
.drawer-tel span { color: var(--color-muted); font-size: 0.75rem; }
.drawer-tel a {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--color-primary);
  font-weight: 500;
}
.drawer-tel small { font-size: 0.7rem; color: var(--color-muted); }

/* PC ナビ初期非表示 */
.pc-nav { display: none; }

/* ============================================================
   ヒーロー
   ============================================================ */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-image {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14, 39, 66, 0.4) 0%, rgba(14, 39, 66, 0.85) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  padding: 5rem 1.5rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  color: var(--color-base);
}
.hero-eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  margin-bottom: 1.2rem;
  color: var(--color-accent);
  font-weight: 500;
}
.hero h1 {
  font-size: clamp(2rem, 7vw, 3.5rem);
  line-height: 1.3;
  color: var(--color-base);
  margin-bottom: 1.8rem;
  font-weight: 500;
}
.hero-lead {
  font-size: 0.95rem;
  line-height: 2;
  margin-bottom: 2rem;
  max-width: 540px;
  color: rgba(244, 239, 230, 0.92);
}
.hero-cta-group {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  max-width: 320px;
}
.btn {
  display: inline-block;
  padding: 0.95rem 1.6rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-align: center;
  transition: all 0.3s;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff !important;
}
.btn-primary:hover { background: #b86618; transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  color: var(--color-base) !important;
  border-color: var(--color-base);
}
.btn-outline:hover {
  background: var(--color-base);
  color: var(--color-primary) !important;
}

/* ============================================================
   共通セクション
   ============================================================ */
.section {
  padding: 4rem 0;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
}
.section-eyebrow {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
  font-weight: 500;
}
.section-title {
  font-size: clamp(1.563rem, 5vw, 2.2rem);
  margin-bottom: 1.5rem;
  color: var(--color-primary);
  position: relative;
  padding-bottom: 1rem;
}
.section-title::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 48px; height: 2px;
  background: var(--color-accent);
}
.section-lead {
  color: var(--color-muted);
  font-size: 0.95rem;
  margin-bottom: 2.5rem;
  line-height: 2;
}

/* ============================================================
   About
   ============================================================ */
.section-about { background: #fff; }
.about-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.about-text p { line-height: 2; }
.about-text strong { color: var(--color-primary); font-weight: 700; }
.founder-note {
  margin-top: 2rem;
  padding: 1.2rem;
  background: var(--color-base);
  border-left: 3px solid var(--color-accent);
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.9;
}
.about-image img {
  border-radius: var(--radius-sm);
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ============================================================
   Issue（業界の課題）
   ============================================================ */
.section-issue { background: var(--color-base); }
.issue-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
  margin-bottom: 3rem;
}
.issue-card {
  background: #fff;
  padding: 2rem 1.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  position: relative;
  transition: transform 0.3s, box-shadow 0.3s;
}
.issue-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(14, 39, 66, 0.08);
}
.issue-card-number {
  font-family: "Cormorant Garamond", var(--font-serif);
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.8rem;
}
.issue-card h3 {
  font-size: 1.15rem;
  color: var(--color-primary);
  margin-bottom: 0.8rem;
}
.issue-card p {
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--color-muted);
  margin: 0;
}
.issue-quote {
  background: var(--color-primary);
  color: var(--color-base);
  padding: 2.5rem 1.5rem;
  border-radius: var(--radius-sm);
  text-align: center;
}
.issue-quote p {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  line-height: 1.8;
  margin: 0;
}
.issue-quote-sub {
  font-size: 0.85rem !important;
  color: rgba(244, 239, 230, 0.7);
  margin-top: 1rem !important;
  letter-spacing: 0.05em;
}

/* ============================================================
   Services
   ============================================================ */
.section-services { background: #fff; }
.service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 2rem;
}
.service-card {
  background: var(--color-base);
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
}
.service-card-image {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}
.service-card-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s;
}
.service-card:hover .service-card-image img { transform: scale(1.05); }
.service-card-body {
  padding: 1.8rem 1.5rem;
}
.service-num {
  font-family: "Cormorant Garamond", var(--font-serif);
  color: var(--color-accent);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 0.4rem;
}
.service-card h3 {
  color: var(--color-primary);
  font-size: 1.3rem;
  margin-bottom: 1rem;
}
.service-card p {
  font-size: 0.9rem;
  line-height: 1.9;
  margin-bottom: 1.2rem;
}
.service-features {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--color-muted);
}
.service-features li {
  padding-left: 1.2rem;
  position: relative;
  line-height: 1.7;
}
.service-features li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.65em;
  width: 6px; height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}
.services-note {
  font-size: 0.78rem;
  color: var(--color-muted);
  background: var(--color-base);
  padding: 1.2rem;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--color-border-strong);
  line-height: 1.9;
  margin-top: 2rem;
}

/* ============================================================
   Numbers
   ============================================================ */
.section-numbers {
  background: var(--color-primary);
  color: var(--color-base);
}
.section-numbers .section-title { color: var(--color-base); }
.section-numbers .section-title::after { background: var(--color-accent); }
.section-numbers .section-lead { color: rgba(244, 239, 230, 0.8); }
.numbers-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem 1rem;
  margin-bottom: 2rem;
}
.number-item {
  text-align: center;
  padding: 1.5rem 0.5rem;
  border: 1px solid rgba(244, 239, 230, 0.15);
  border-radius: var(--radius-sm);
  background: rgba(244, 239, 230, 0.03);
}
.number-value {
  font-family: "Cormorant Garamond", var(--font-serif);
  font-size: 2.8rem;
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1;
  margin: 0 0 0.4rem;
}
.number-unit {
  font-size: 1rem;
  margin-left: 0.2rem;
  color: var(--color-base);
}
.number-label {
  font-size: 0.8rem;
  color: rgba(244, 239, 230, 0.85);
  letter-spacing: 0.08em;
  margin: 0;
}
.numbers-note {
  font-size: 0.75rem;
  color: rgba(244, 239, 230, 0.6);
  text-align: center;
  margin-top: 1.5rem;
}

/* ============================================================
   Members
   ============================================================ */
.section-members { background: var(--color-base); }
.member-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
}
.member-list li {
  background: #fff;
  padding: 0.95rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  font-size: 0.85rem;
  text-align: center;
  font-family: var(--font-serif);
  color: var(--color-primary);
  transition: all 0.2s;
}
.member-list li:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.members-note {
  font-size: 0.78rem;
  color: var(--color-muted);
  text-align: center;
}

/* ============================================================
   News
   ============================================================ */
.section-news { background: #fff; }
.news-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 1.5rem;
}
.news-list li {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--color-border);
}
.news-list time {
  font-family: "Cormorant Garamond", var(--font-serif);
  color: var(--color-muted);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}
.news-tag {
  display: inline-block;
  background: var(--color-base);
  color: var(--color-primary);
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  width: fit-content;
}
.news-list a {
  color: var(--color-text);
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.6;
}
.news-list a:hover { color: var(--color-accent); }
.news-note {
  font-size: 0.78rem;
  color: var(--color-muted);
}

/* ============================================================
   FAQ
   ============================================================ */
.section-faq { background: var(--color-base); }
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.faq-item {
  background: #fff;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  overflow: hidden;
}
.faq-item summary {
  padding: 1.2rem 3rem 1.2rem 1.2rem;
  font-weight: 500;
  font-family: var(--font-serif);
  color: var(--color-primary);
  cursor: pointer;
  list-style: none;
  position: relative;
  font-size: 0.95rem;
  line-height: 1.6;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  color: var(--color-accent);
  font-weight: 300;
  transition: transform 0.3s;
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-body {
  padding: 0 1.2rem 1.5rem;
  font-size: 0.88rem;
  line-height: 1.95;
  color: var(--color-muted);
}
.faq-body p { margin: 0; }

/* ============================================================
   Contact
   ============================================================ */
.section-contact { background: #fff; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}
.contact-item {
  padding: 1.2rem;
  background: var(--color-base);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.contact-label {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--color-muted);
  margin-bottom: 0.4rem;
}
.contact-value {
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 0;
  color: var(--color-text);
}
.contact-value a {
  font-family: var(--font-serif);
  color: var(--color-primary);
  font-weight: 500;
}
.contact-value small {
  display: block;
  font-size: 0.7rem;
  color: var(--color-muted);
  margin-top: 0.2rem;
}
.disclaimer {
  background: var(--color-base);
  padding: 1.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-strong);
  font-size: 0.82rem;
  line-height: 1.9;
  color: var(--color-muted);
  margin-top: 2rem;
}
.disclaimer strong { color: var(--color-primary); }
.disclaimer p { margin: 0; }

/* ============================================================
   フッター
   ============================================================ */
.site-footer {
  background: var(--color-primary);
  color: rgba(244, 239, 230, 0.75);
  padding: 3rem 0 1.5rem;
}
.footer-top {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(244, 239, 230, 0.12);
}
.footer-logo {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin: 0 0 0.5rem;
}
.footer-name {
  font-size: 0.85rem;
  color: var(--color-base);
  margin: 0 0 0.6rem;
  line-height: 1.6;
}
.footer-tagline {
  font-family: var(--font-serif);
  color: rgba(244, 239, 230, 0.6);
  margin: 0;
  font-size: 0.85rem;
}
.footer-nav ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem 1rem;
}
.footer-nav a {
  font-size: 0.82rem;
  color: rgba(244, 239, 230, 0.85);
  letter-spacing: 0.05em;
}
.footer-nav a:hover { color: var(--color-accent); }
.footer-disclaimer {
  font-size: 0.72rem;
  line-height: 1.8;
  color: rgba(244, 239, 230, 0.55);
  margin: 0 0 1rem;
}
.footer-copy {
  font-size: 0.72rem;
  color: rgba(244, 239, 230, 0.5);
  margin: 0;
  letter-spacing: 0.05em;
}

/* ============================================================
   Tablet 768px〜
   ============================================================ */
@media (min-width: 768px) {
  body { font-size: 16px; }
  .section { padding: 6rem 0; }
  .container { padding: 0 2rem; }

  .hamburger { display: none; }
  .pc-nav { display: flex; }
  .pc-nav ul { display: flex; gap: 1.4rem; }
  .pc-nav a {
    font-size: 0.85rem;
    color: var(--color-text);
    letter-spacing: 0.08em;
    font-weight: 500;
  }
  .pc-nav a:hover { color: var(--color-accent); }
  .header-cta { display: inline-block; }

  .hero-content { padding: 6rem 2rem 5rem; }
  .hero-cta-group {
    flex-direction: row;
    max-width: none;
  }
  .hero-cta-group .btn { padding: 1rem 2rem; }

  .about-grid {
    grid-template-columns: 1.2fr 1fr;
    display: grid;
    gap: 3rem;
    align-items: center;
  }

  .issue-cards {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
  .issue-card { padding: 2.5rem 2rem; }

  .service-grid { gap: 3rem; }
  .service-card {
    flex-direction: row;
    align-items: stretch;
  }
  .service-card:nth-child(even) { flex-direction: row-reverse; }
  .service-card-image {
    flex: 1;
    aspect-ratio: auto;
  }
  .service-card-body {
    flex: 1;
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .numbers-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
  .number-item { padding: 2rem 1rem; }
  .number-value { font-size: 3.2rem; }

  .member-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }

  .news-list li {
    flex-direction: row;
    align-items: center;
    gap: 1.5rem;
    padding: 1.4rem 0;
  }
  .news-list time { flex-shrink: 0; min-width: 100px; }
  .news-tag { flex-shrink: 0; }

  .contact-grid { grid-template-columns: 1fr 1fr; gap: 1.2rem; }

  .footer-top {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
    gap: 4rem;
  }
  .footer-nav ul { grid-template-columns: 1fr 1fr 1fr; }
}

/* ============================================================
   Desktop 1024px〜
   ============================================================ */
@media (min-width: 1024px) {
  h1 { font-size: 2.441rem; }
  h2 { font-size: 1.953rem; }

  .hero h1 { font-size: 3.5rem; }
  .hero-lead { font-size: 1.05rem; }

  .numbers-grid { grid-template-columns: repeat(6, 1fr); }
  .number-value { font-size: 2.8rem; }

  .member-list { grid-template-columns: repeat(4, 1fr); }

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

/* ============================================================
   フォーカス可視化（アクセシビリティ）
   ============================================================ */
a:focus-visible,
button:focus-visible,
.faq-item summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}