/* ======================================================================
   Kyoto Red Data Book Template - layout.css
   Project: Kyoto Prefecture Red Data Book (Kyoto RDB)
   Purpose: ヘッダー、フッター、グローバルナビ、パンくず、共通レイアウトのスタイル（PC版）
   Placement: /shared/site_rdb/style/layout.css
   ====================================================================== */

@charset "utf-8";

/* ------------------------------
   Common Wrapper
   ------------------------------ */
.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ------------------------------
   Breadcrumb (パンくずリスト)
   ------------------------------ */
.pankuzu-container {
  padding-top: 1rem;
  padding-bottom: 1rem;
}

#pankuzu {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-muted-text);
}

#pankuzu a {
  text-decoration: none;
}

#pankuzu a:hover {
  text-decoration: underline;
}

/* ------------------------------
   Header
   ------------------------------ */
.rdb-header {
  background: #ffffff;
  padding-top: 2.5rem;
  padding-bottom: 0;
}

/* ホームページでは背景とパディングをシンプルにする */
.rdb2026 .rdb-header {
  padding-top: 2.5rem;
  padding-bottom: 0;
}

/* メインタイトル等（不要な装飾削除） */
.rdb2026-main-title {
  display: none;
}

.rdb2026-main-subtitle {
  display: none;
}

/* ------------------------------
   Hero Section (Top Page)
   ------------------------------ */
.rdb-hero {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  background: #ffffff;
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.rdb-hero__image {
  display: block;
  width: 60%;
  max-width: 800px;
  height: auto;
  border-radius: 0;
  margin: 0 auto;
}

/* ------------------------------
   Intro Section (Top Page)
   ------------------------------ */
.rdb-intro {
  text-align: center;
  margin: 0;
  padding: 3rem 20px 4rem;
  background-color: #ffffff;
  /* Explicitly white */
}

.rdb-intro__inner {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
  padding: 2rem 2rem;
}

/* 枠線装飾（カギ括弧） */
.rdb-intro__inner::before,
.rdb-intro__inner::after {
  content: "";
  position: absolute;
  width: 80px;
  height: 80px;
  border: 1px solid var(--color-kyoto-purple-700);
}

.rdb-intro__inner::before {
  top: 0;
  left: 0;
  border-right: none;
  border-bottom: none;
}

.rdb-intro__inner::after {
  bottom: 0;
  right: 0;
  border-left: none;
  border-top: none;
}

.rdb-intro__catchphrase {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 2.0;
  /* Line height adjusted for highlight spacing */
  margin-bottom: 2rem;
  display: inline-block;
  padding: 0;
}

.rdb-intro__underline-text {
  /* テキスト本体に近づけたマーカー風のアンダーライン（細め） */
  background: linear-gradient(transparent 75%, var(--color-kyoto-purple-200, #dcb2e8) 75%);
  padding-bottom: 0;
}

.rdb-intro__lead {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 2.5rem;
}

.rdb-intro__actions {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.rdb-intro__actions .btn--rdb-intro {
  background: var(--color-kyoto-purple-700);
  background-color: var(--color-kyoto-purple-700);
  color: white;
  border-radius: 30px;
  padding: 0.8rem 2.5rem;
  font-weight: bold;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 180px;
  border: none;
}

.rdb-intro__actions .btn--rdb-intro:hover,
.rdb-intro__actions .btn--rdb-intro:focus-visible {
  background: var(--color-kyoto-purple-800);
  background-color: var(--color-kyoto-purple-800);
  color: white;
}

.btn__pdf {
  display: inline-block;
  background-color: #ffffff;
  color: var(--color-kyoto-purple-700);
  font-size: 0.75rem;
  font-weight: bold;
  padding: 0.15rem 0.6rem;
  border-radius: 20px;
  margin: 0 0.5rem;
  vertical-align: middle;
}

.btn--rdb-intro .btn__arrow {
  display: inline-block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 5px 0 5px 6px;
  border-color: transparent transparent transparent white;
  margin-left: 8px;
}

/* ------------------------------
   Global Navigation (PC版)
   ------------------------------ */
.rdb-gnav {
  background-color: transparent;
  padding: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  /* 中央揃えの追加 */
  width: 100%;
}

.rdb-gnav #toggle {
  display: none;
}

.rdb-gnav #menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  flex-wrap: nowrap; /* 常に1行横並び */
  gap: 12px;
}

/* item */
.rdb-gnav #menu li {
  flex: 0 1 auto;
  text-align: center;
  position: relative;
}

.rdb-gnav #menu li.gnav-item--top {
  display: none;
}

/* link (tab) */
.rdb-gnav #menu a {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.5rem 1.2rem;
  /* 下側に余裕を持たせる */
  min-width: 140px;
  text-decoration: none;
  color: #333;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  background-color: transparent;
  position: relative;
  transition: color 0.2s ease, background-color 0.2s ease;
  border-top-left-radius: 8px;
  border-top-right-radius: 8px;
}

/* 各タブのカラーバー（常に表示、選択中は太くなる） */
.rdb-gnav #menu a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  /* 通常時の太さ */
  background-color: var(--accent-dark);
  transition: height 0.2s ease;
}

/* hover / focus */
.rdb-gnav #menu a:hover,
.rdb-gnav #menu a:focus-visible {
  background-color: rgba(0, 0, 0, 0.04);
  color: var(--accent-text, var(--accent-dark));
  outline: none;
}

.rdb-gnav #menu a:hover::after,
.rdb-gnav #menu a:focus-visible::after {
  height: 8px;
  /* ホバー時に少し太くする */
}

/* select (アクティブタブ) */
.rdb-gnav #menu a.select {
  color: var(--accent-text, var(--accent-dark));
}

.rdb-gnav #menu a.select::after {
  height: 8px;
  /* 選択中は太いまま */
}

/* 未実装ナビ項目のバッジ */
.rdb-gnav .gnav-badge {
  position: absolute;
  bottom: calc(100% + 2px);
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-size: 10px;
  padding: 0.2em 0.65em;
  border-radius: 0;
  background: #222;
  color: #fff;
  pointer-events: none;
  z-index: 10;
}

/* 地形・地質・自然現象（未実装）はホバーアニメーションを無効化 */
.rdb-gnav .gnav-item--geo a {
  cursor: default;
}
.rdb-gnav .gnav-item--geo a:hover,
.rdb-gnav .gnav-item--geo a:focus-visible {
  background-color: transparent;
  color: #333;
}
.rdb-gnav .gnav-item--geo a:hover::after,
.rdb-gnav .gnav-item--geo a:focus-visible::after {
  height: 4px;
}

/* category palettes（通常時はパステル色） */
.rdb-gnav .gnav-item--wildlife {
  --accent-dark: var(--cat-animal);
  --accent-text: var(--cat-animal-text);
}

.rdb-gnav .gnav-item--flora {
  --accent-dark: var(--cat-flora);
  --accent-text: var(--cat-flora-text);
}

.rdb-gnav .gnav-item--geo {
  --accent-dark: var(--cat-geo);
  --accent-text: var(--cat-geo-text);
}

.rdb-gnav .gnav-item--eco {
  --accent-dark: var(--cat-eco);
  --accent-text: var(--cat-eco-text);
}

.rdb-gnav .gnav-item--search {
  --accent-dark: var(--cat-search);
  --accent-text: var(--cat-search-text);
}

/* 閲覧中ページ：下線をコントラスト強化版に切り替え */
.rdb-gnav .gnav-item--wildlife a.select {
  --accent-dark: var(--cat-animal-accent);
}

.rdb-gnav .gnav-item--flora a.select {
  --accent-dark: var(--cat-flora-accent);
}

.rdb-gnav .gnav-item--geo a.select {
  --accent-dark: var(--cat-geo-accent);
}

.rdb-gnav .gnav-item--eco a.select {
  --accent-dark: var(--cat-eco-accent);
}

.rdb-gnav .gnav-item--search a.select {
  --accent-dark: var(--cat-search-accent);
}

/* --- 検索ボタンの特別スタイル（タブの一種にする） --- */
.rdb-gnav .gnav-item--search a::before {
  display: none;
  /* アイコンを消す */
}

.rdb-gnav .gnav-item--search a {
  box-shadow: none;
  border: none;
}

/* ハンバーガーメニューボタン（PC版では非表示） */
.rdb-gnav__toggle {
  display: none;
  position: fixed;
  top: 1rem;
  right: 1rem;
  width: 48px;
  height: 48px;
  background: var(--color-kyoto-purple-700);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
}

.rdb-gnav__toggle:hover {
  background: var(--color-kyoto-purple-800, #5e106a);
  transform: scale(1.05);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.rdb-gnav__toggle:active {
  transform: scale(0.95);
}

.rdb-gnav__toggle span {
  display: block;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 24px;
  height: 2px;
  background: #fff;
  transition: all 0.3s ease;
}

.rdb-gnav__toggle span:nth-child(1) {
  transform: translate(-50%, -8px);
}

.rdb-gnav__toggle span:nth-child(2) {
  transform: translate(-50%, -50%);
}

.rdb-gnav__toggle span:nth-child(3) {
  transform: translate(-50%, 6px);
}

.rdb-gnav__toggle.is-active span:nth-child(1) {
  transform: translate(-50%, -50%) rotate(45deg);
}

.rdb-gnav__toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.rdb-gnav__toggle.is-active span:nth-child(3) {
  transform: translate(-50%, -50%) rotate(-45deg);
}

/* メニューオーバーレイ */
.rdb-gnav__overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.rdb-gnav__overlay.is-active {
  display: block;
  opacity: 1;
}

/* ------------------------------
   Footer
   ------------------------------ */
.rdb2026-footer {
  margin: var(--space-6) auto 0;
  padding: 0;
  background-color: #ffffff;
  /* 白背景 */
  border-top: none;
  color: var(--color-muted-text);
  font-size: 0.875rem;
}

/* フッター内の著作権情報ラッパー */
.rdb-legal-wrapper {
  text-align: center;
  padding: var(--space-3) 0;
}

.rdb-legal {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--color-muted-text);
  line-height: 1.6;
}

/* 京都府ホームページへの戻るリンク（フッター配置） */
.rdb-footer__back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: var(--space-2);
  font-size: 0.875rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-kyoto-purple-700);
  text-decoration: none;
  padding: 0.9rem 2.4rem;
  border: 1px solid var(--color-kyoto-purple-700);
  border-radius: 999px;
  background: #ffffff;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.rdb-footer__back-link:visited {
  color: var(--color-kyoto-purple-700);
}

.rdb-footer__back-link:hover,
.rdb-footer__back-link:focus-visible {
  background: var(--color-kyoto-purple-100);
  color: var(--color-kyoto-purple-800);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.rdb-footer__back-link:visited:hover,
.rdb-footer__back-link:visited:focus-visible {
  color: var(--color-kyoto-purple-800);
}

/* 外部リンクアイコン */
.rdb-footer__back-link::after {
  content: "▶";
  /* 三角アイコン */
  font-size: 0.65rem;
  margin-left: 0.2rem;
  opacity: 0.9;
  transition: all 0.15s ease;
  display: inline-block;
  color: var(--color-kyoto-purple-700);
}

.rdb-footer__back-link:hover::after,
.rdb-footer__back-link:focus-visible::after {
  opacity: 1;
  transform: translateX(2px);
}

/* ------------------------------
   Contact & Form Section
   ------------------------------ */
.rdb-contactform {
  background-color: #ffffff;
  padding: clamp(32px, 5vw, 64px) 20px;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  width: 100vw;
}

.rdb-contactform__title {
  margin: 0 0 var(--space-4);
  text-align: center;
  font-family: var(--font-sans);
  font-size: clamp(22px, 2.6vw, 28px);
  color: var(--color-kyoto-purple-700);
}

.rdb-contactform__grid {
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2.5vw, 24px);
  max-width: 1000px;
  margin: 0 auto;
}

/* Cards inside */
.rdb-contactform .card {
  background: #fcf5ef;
  border: none;
  border-radius: 0 var(--krb-radius) var(--krb-radius) 0;
  /* 左側の角丸を解除 */
  box-shadow: var(--shadow-sm);
  padding: clamp(24px, 3vw, 40px);
}

.rdb-contact {
  border-left: 8px solid #231815;
  /* 黒に近いアクセントライン */
}

.rdb-infoform {
  border-left: 8px solid var(--color-kyoto-purple-700);
  /* 紫のアクセントライン */
  display: flex;
  flex-direction: column;
}

/* Contact block */
.rdb-contact__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-sans);
  font-size: clamp(18px, 2.1vw, 22px);
}

.rdb-contact__dept {
  margin: 0 0 0.75rem;
  color: var(--color-muted-text);
}

.rdb-contact__list {
  display: grid;
  grid-template-columns: max(72px) 1fr;
  gap: 0.4rem 1rem;
  margin: 0;
  padding: 0;
}

.rdb-contact__list dt {
  margin: 0;
  font-weight: var(--font-weight-medium);
}

.rdb-contact__list dd {
  margin: 0;
}

.rdb-contact__list a {
  color: var(--color-link) !important;
  text-decoration: none;
  border-bottom: 1px dashed var(--color-link);
}

.rdb-contact__list a:hover,
.rdb-contact__list a:focus-visible {
  text-decoration: underline;
  border-bottom-color: transparent;
}

/* Info form */
.rdb-infoform__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-sans);
  font-size: clamp(18px, 2.1vw, 22px);
}

.rdb-infoform__lead {
  margin: 0 0 var(--space-3);
  line-height: 1.9;
  flex-grow: 1;
}

.rdb-infoform__button {
  margin-top: auto;
}

.rdb-infoform__button .btn {
  display: inline-flex;
  align-items: center;
  font-weight: var(--font-weight-medium);
  padding: 0.9rem 2.4rem;
  border-radius: 999px;
  background-color: var(--color-button, #985fa5);
  color: #fff !important;
  border: none;
  box-shadow: none;
  transition: transform 0.15s ease, background-color 0.15s ease;
}

.rdb-infoform__button .btn::after {
  content: "▶";
  font-size: 0.65rem;
  margin-left: 0.5rem;
  transition: transform 0.15s ease;
}

.rdb-infoform__button .btn:hover {
  transform: translateY(-2px);
  background-color: #7b4c86;
}

.rdb-infoform__button .btn:hover::after {
  transform: translateX(2px);
}

/* ------------------------------
   Inquiry Section
   ------------------------------ */
.rdb-inquiry {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5) var(--space-6);
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
  color: var(--color-muted-text);
  font-size: 0.875rem;
  line-height: 1.7;
  background: var(--krb-paper);
}

.rdb-inquiry__title {
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin: 0 0 0.5rem;
}

.rdb-inquiry__contact {
  flex: 1 1 400px;
}

.rdb-inquiry__address {
  font-style: normal;
}

.rdb-inquiry__address a {
  color: inherit;
}

.rdb-inquiry__copyright {
  flex: 1 1 300px;
}

/* ------------------------------
   Back to Top Button
   ------------------------------ */
.back-to-top {
  position: fixed;
  bottom: 1.5rem;
  /* 24px */
  right: 1.5rem;
  /* 24px */
  width: 3.5rem;
  /* 56px */
  height: 3.5rem;
  /* 56px */
  background-color: var(--color-kyoto-purple-700);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s, background-color 0.3s,
    transform 0.3s, box-shadow 0.3s;
  z-index: 1000;
  box-shadow: var(--shadow-md);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--color-link-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.back-to-top svg {
  width: 1.5rem;
  height: 1.5rem;
  stroke: #fff;
  fill: none;
  display: block;
  pointer-events: none;
}

.back-to-top.is-visible svg {
  stroke: #fff;
}

/* ------------------------------
   Print Styles
   ------------------------------ */
@media print {

  #pankuzu,
  .rdb2026-link-btn {
    display: none !important;
  }

  .rdb2026-card {
    box-shadow: none;
    border-color: #ccc;
  }
}