/* ==========================================
   ANDP-J — 国産生薬生産普及協会
   共通コンポーネント用スタイルシート (common.css)
   ※責任範囲：ヘッダー、ナビ、フッター、共通遷移UIのみ
   ========================================== */

/* ===== 1. デザインシステム変数（ヘッダー・フッター用） ===== */
:root {
  /* ブランド基本色（瑠璃紺 × 山吹黄金色） */
  --c-lapis-deep: #071020;
  --c-lapis: #12244E;
  --c-lapis-light: #1D3774;
  --c-main: #12244E;
  --c-main-green: var(--c-main);
  --c-accent: #E59E0B;
  --c-gold: #E59E0B;
  --c-gold-light: #F8C844;
  --c-gold-pale: #FFF7E6;
  --c-bg-base: #F8F9FA;
  --c-bg-white: #FFFFFF;
  --c-text-main: #1C2331;
  --c-text-sub: #4A5568;
  --c-border: rgba(18, 36, 78, 0.12);
  --f-jp: 'FOT-筑紫B丸ゴシック Std', 'TsukuBRdGothic-Std', 'Zen Maru Gothic', 'Noto Sans JP', sans-serif;
  --f-en: 'Outfit', sans-serif;

  /* モーション統一イージング */
  --ease-standard: cubic-bezier(0.165, 0.84, 0.44, 1);
  --ease-smooth: cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* フォーカス可視化（アクセシビリティ基準適合） */
.header a:focus-visible,
.header button:focus-visible,
.footer a:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 3px;
}

/* ===== 2. ヘッダー (全共通) ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.0rem 3.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.4s var(--ease-smooth);
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid rgba(18, 36, 78, 0.08);
  white-space: nowrap;
  box-sizing: border-box;
}

.header.scrolled {
  padding: 0.75rem 3.5rem;
  background: #FFFFFF;
  box-shadow: 0 10px 30px rgba(7, 16, 32, 0.08);
}

.header-logo-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-shrink: 0;
  text-decoration: none;
}

.header-logo-img {
  height: 42px;
  width: auto;
  object-fit: contain;
}

.header-logo-text {
  display: flex;
  flex-direction: column;
}

.header-corp-type {
  font-size: 0.65rem;
  font-weight: 600;
  color: #000000;
  letter-spacing: 0.12em;
  line-height: 1.2;
}

.header-org-name {
  font-family: var(--f-jp);
  font-size: 1.15rem;
  font-weight: 600;
  color: #000000;
  letter-spacing: 0.06em;
  line-height: 1.2;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  list-style: none;
  flex-shrink: 0;
  margin: 0;
  padding: 0;
}

.nav-item {
  white-space: nowrap;
}

/* PC表示時はSP専用項目・区切りを非表示 */
.nav-item-sp-top,
.nav-item-sp-only,
.nav-item-sp-divider {
  display: none !important;
}

.nav-item a {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--c-lapis, #12244E);
  letter-spacing: 0.06em;
  position: relative;
  padding: 0.4rem 0;
  display: inline-block;
  white-space: nowrap;
  text-decoration: none;
}

.nav-item a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--c-gold, #E59E0B);
  transition: width 0.3s var(--ease-smooth);
}

.nav-item a:hover::after {
  width: 100%;
}

/* PCドロップダウンメニュー（ABOUT US -> 協会概要） */
.nav-item-dropdown,
.nav-item-has-dropdown {
  position: relative;
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translate(-50%, 0);
  background: #FFFFFF;
  list-style: none;
  margin: 0;
  padding: 8px 16px;
  border-radius: 0 !important; /* カードの角丸を完全排除 */
  box-shadow: 0 6px 16px rgba(7, 16, 32, 0.06);
  border: 1px solid rgba(18, 36, 78, 0.08);
  border-top: none; /* ヘッダーの白とシームレスに直結 */
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.22s cubic-bezier(0.2, 0.8, 0.2, 1), visibility 0.22s;
  z-index: 1000;
  white-space: nowrap;
}

/* ホバーが途切れないための見えないブリッジ */
.nav-dropdown::before {
  content: '';
  position: absolute;
  top: -12px;
  left: 0;
  right: 0;
  height: 12px;
}

.nav-dropdown,
.nav-dropdown li {
  list-style: none !important;
  margin: 0;
  padding: 0;
}

.nav-dropdown li::marker {
  content: "";
}

.nav-item-dropdown:hover .nav-dropdown,
.nav-item-dropdown:focus-within .nav-dropdown,
.nav-item-has-dropdown:hover .nav-dropdown,
.nav-item-has-dropdown:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.nav-dropdown li {
  padding: 0 16px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.nav-dropdown-link,
.nav-dropdown li a {
  position: relative;
  display: inline-block;
  padding: 10px 0;
  color: var(--c-lapis, #12244E);
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
  text-decoration: none;
  text-align: center;
  background: transparent !important;
  transition: color 0.3s var(--ease-smooth);
}

.nav-dropdown-link::after,
.nav-dropdown li a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 6px;
  width: 0;
  height: 2px;
  background: var(--c-gold, #E59E0B);
  transition: width 0.3s var(--ease-smooth);
  display: block;
}

.nav-dropdown-link:hover::after,
.nav-dropdown-link:focus-visible::after,
.nav-dropdown li a:hover::after,
.nav-dropdown li a:focus-visible::after {
  width: 100%;
}

.nav-dropdown-link:hover,
.nav-dropdown li a:hover {
  background: transparent !important;
  color: var(--c-lapis, #12244E);
}

@media (max-width: 1199px) {
  .nav-dropdown {
    display: none !important;
  }
}

.nav-facebook {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0 !important;
  border-radius: 50%;
  background: rgba(18, 36, 78, 0.06);
  color: var(--c-lapis, #12244E);
  transition: all 0.3s var(--ease-smooth);
  flex-shrink: 0;
  vertical-align: middle;
  text-decoration: none;
}

.nav-facebook::after {
  display: none !important;
}

.nav-facebook:hover {
  background: var(--c-lapis, #12244E);
  color: var(--c-gold-light, #F8C844);
  transform: translateY(-2px);
}

.nav-facebook svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.nav-cta-btn {
  background: linear-gradient(135deg, var(--c-gold, #E59E0B) 0%, var(--c-gold-light, #F8C844) 100%);
  color: var(--c-lapis-deep, #071020) !important;
  padding: 0.6rem 1.4rem !important;
  border-radius: 9999px;
  font-weight: 700 !important;
  font-size: 0.85rem !important;
  box-shadow: 0 4px 14px rgba(229, 158, 11, 0.3);
  transition: all 0.3s var(--ease-smooth);
  white-space: nowrap !important;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.nav-cta-btn::after {
  display: none !important;
}

.nav-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(229, 158, 11, 0.45);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 44px;
  height: 44px;
  padding: 10px;
  border-radius: 50%;
  position: relative;
  z-index: 1005;
  transition: background 0.3s var(--ease-smooth);
  -webkit-tap-highlight-color: transparent;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--c-lapis, #12244E);
  position: absolute;
  left: 10px;
  border-radius: 2px;
  transition: all 0.3s var(--ease-smooth);
}

.mobile-menu-btn span:nth-child(1) { top: 13px; }
.mobile-menu-btn span:nth-child(2) { top: 21px; }
.mobile-menu-btn span:nth-child(3) { top: 29px; }

.mobile-menu-btn.active {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.mobile-menu-btn.active span {
  background: #FFFFFF;
  box-shadow: 0 0 6px rgba(248, 200, 68, 0.8), 0 0 12px rgba(248, 200, 68, 0.4);
}

.mobile-menu-btn.active span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; transform: scale(0); }
.mobile-menu-btn.active span:nth-child(3) { top: 21px; transform: rotate(-45deg); }

/* ヘッダー レスポンシブ (1199px以下) */
@media (max-width: 1199px) {
  .header { padding: 0.9rem 2.0rem; }
  .header.scrolled { padding: 0.7rem 2.0rem; }
  .mobile-menu-btn { display: block; }
  .nav-list {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(320px, 85vw);
    height: 100vh;
    height: 100dvh;
    background: rgba(7, 16, 32, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 5.5rem 2.0rem 3.0rem;
    gap: 1.4rem;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transition: right 0.4s var(--ease-smooth);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
    z-index: 1000;
  }
  .nav-list.open { right: 0; }
  .nav-item { width: 100%; }
  .nav-item a { color: #FFFFFF; font-size: 1.05rem; display: block; padding: 0.4rem 0; }
  .nav-item a:hover { color: var(--c-gold-light, #F8C844); }
  .nav-facebook { background: rgba(255, 255, 255, 0.12) !important; color: #FFFFFF !important; }
  .nav-cta-btn { margin-top: 0.5rem; width: 100%; text-align: center; }
  .nav-item-sp-top,
  .nav-item-sp-only { display: block !important; }
  .nav-item-sp-sub {
    margin-top: -0.8rem;
  }
  .nav-item-sp-sub > a {
    padding-left: 1em;
  }
  .nav-item-sp-divider {
    display: block !important;
    width: 100%;
    height: 1px;
    background: rgba(255, 255, 255, 0.12);
    margin: 0.3rem 0;
  }
}

/* ヘッダー レスポンシブ (640px以下) */
@media (max-width: 640px) {
  .header {
    padding: 0.85rem 1.2rem;
  }
  .header.scrolled {
    padding: 0.65rem 1.2rem;
  }
}

/* ===== 3. フッター (全共通) ===== */
.footer {
  position: relative;
  z-index: 30;
  background: linear-gradient(135deg, #E6EFF8 0%, #F0F5FB 100%);
  color: #12244E;
  padding: 4.5rem 0 2.5rem;
  border-top: 1px solid rgba(229, 158, 11, 0.35);
  box-sizing: border-box;
}

/* フッター内部限定コンテナスコープ（指示書②完全遵守） */
.footer .container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 2.0rem;
  box-sizing: border-box;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(18, 36, 78, 0.08);
  gap: 3.0rem;
}

.footer-brand {
  max-width: 440px;
}

.footer-logo-wrap {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1.1rem;
}

.footer-logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(18, 36, 78, 0.08));
}

.footer-logo-text {
  display: flex;
  flex-direction: column;
}

.footer-corp-type {
  font-size: 0.68rem;
  font-weight: 600;
  color: #000000;
  letter-spacing: 0.12em;
  line-height: 1.2;
}

.footer-org-name {
  font-family: var(--f-jp);
  font-size: 1.25rem;
  font-weight: 600;
  color: #000000;
  letter-spacing: 0.08em;
  margin: 0;
  line-height: 1.25;
}

.footer-brand-desc {
  font-size: 1.05rem;
  line-height: 1.85;
  color: rgba(18, 36, 78, 0.72);
}

.footer-nav-wrap {
  max-width: 580px;
}

.footer-sitemap {
  display: flex;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  justify-content: flex-end;
}

.sitemap-col {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.sitemap-heading {
  font-family: var(--f-en);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--c-gold, #E59E0B);
  text-transform: uppercase;
  padding-bottom: 0.35rem;
  border-bottom: 1.5px solid rgba(229, 158, 11, 0.3);
}

.sitemap-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
}

.sitemap-list a {
  font-size: 0.88rem;
  font-weight: 600;
  color: #12244E;
  transition: all 0.3s var(--ease-smooth);
  white-space: nowrap;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}

.sitemap-list a:hover {
  color: var(--c-gold, #E59E0B);
  transform: translateX(2px);
}

.sitemap-fb-link svg {
  vertical-align: middle;
  flex-shrink: 0;
}

.footer-bottom {
  padding-top: 2.2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: rgba(18, 36, 78, 0.55);
  letter-spacing: 0.04em;
}

@media (max-width: 900px) {
  .footer-top {
    flex-direction: column;
    gap: 2.5rem;
  }
  .footer-nav-wrap {
    max-width: 100%;
    width: 100%;
  }
  .footer-sitemap {
    justify-content: flex-start;
    gap: 3.0rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 0.8rem;
    text-align: center;
  }
}

/* ===== 4. アクセシビリティ（視覚・モーション配慮） ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ===== 5. ページ遷移UI ===== */
/* TOP用ホワイトカーテン */
.page-curtain {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: #FFFFFF;
  z-index: 999999;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.page-curtain.is-active,
html.hash-jumping .page-curtain {
  opacity: 1 !important;
  pointer-events: auto !important;
}

html.hash-jumping .page-curtain {
  transition: none !important;
}

/* 下層用トランジションオーバーレイ */
.page-transition-overlay {
  position: fixed;
  inset: 0;
  background: #FFFFFF;
  z-index: 9999;
  opacity: 1;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.page-transition-overlay.is-hidden {
  opacity: 0;
}