/*
Theme Name: Tokyo Canoe Association
Theme URI: https://tokyo-canoe.or.jp/
Author: OpenAI
Author URI: https://openai.com/
Description: 一般社団法人東京都カヌー協会向けのシンプルな情報公開サイト用テーマ。投稿一覧・固定ページ・PDF案内・外部リンク導線を重視。
Version: 1.1.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: tokyo-canoe-association
*/

/* ============================================================
   CSS カスタムプロパティ
   ============================================================ */
:root {
  --color-primary: #0f5e8c;
  --color-primary-dark: #0a4566;
  --color-accent: #1d7fbf;
  --color-bg: #f5f8fb;
  --color-surface: #ffffff;
  --color-text: #1d2733;
  --color-muted: #617283;
  --color-border: #d9e3ec;
  --color-link: #0b67a3;
  --shadow-sm: 0 2px 8px rgba(11, 41, 62, 0.06);
  --shadow-md: 0 10px 28px rgba(11, 41, 62, 0.10);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --container: 1120px;
  /* タッチターゲット最小サイズ */
  --touch-min: 48px;
}

/* ============================================================
   ベーススタイル
   ============================================================ */
* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px; /* スティッキーヘッダー分のアンカーオフセット */
}
/* 協会についてページのアンカーオフセットはJSで動的計算するためCSS側は最小限に */
#greeting,
#overview,
#organization,
#article,
#plan {
  scroll-margin-top: 0;
}
body {
  margin: 0;
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.75;
  -webkit-text-size-adjust: 100%;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-link); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

/* ============================================================
   ヘッダー
   ============================================================ */
.site-header {
  background: linear-gradient(180deg, #ffffff 0%, #f8fbfe 100%);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 82px;
  padding: 8px 0;
}

.site-branding {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.site-logo img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 50%;
  flex-shrink: 0;
}
.site-title-wrap {
  line-height: 1.3;
  min-width: 0;
}
.site-title {
  margin: 0;
  font-size: clamp(0.95rem, 0.85rem + 0.8vw, 1.4rem);
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.site-title a { color: var(--color-text); }
.site-description {
  margin: 2px 0 0;
  color: var(--color-muted);
  font-size: 0.85rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ハンバーガーボタン */
.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  min-width: var(--touch-min);
  min-height: var(--touch-min);
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: 10px;
  padding: 0 14px;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  flex-shrink: 0;
}

/* PC ナビ */
.primary-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
}
.primary-nav li { position: relative; }
.primary-nav a {
  display: flex;
  align-items: center;
  min-height: var(--touch-min);
  padding: 0 14px;
  color: var(--color-text);
  font-weight: 600;
  border-radius: 10px;
  font-size: 0.95rem;
}
.primary-nav a:hover,
.primary-nav .current-menu-item > a,
.primary-nav .current-menu-ancestor > a {
  background: #eaf4fb;
  color: var(--color-primary-dark);
  text-decoration: none;
}
.primary-nav .sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 14px 8px 8px;  /* 上部paddingで視覚的な隙間を確保しつつホバー領域を途切れさせない */
  z-index: 200;
}
.primary-nav li:hover > .sub-menu,
.primary-nav .sub-menu:hover { display: block; }
.primary-nav .sub-menu li { width: 100%; }
.primary-nav .sub-menu a { padding: 10px 14px; border-radius: 8px; }

/* ============================================================
   ヒーローセクション
   ============================================================ */
.hero {
  background: linear-gradient(135deg, #0f5e8c 0%, #1d7fbf 100%);
  color: #fff;
  padding: 56px 0 50px;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.6fr 0.8fr;
  gap: 36px;
  align-items: center;
}
.hero__eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.18);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.hero h1 {
  margin: 0 0 14px;
  font-size: clamp(1.2rem, 0.6rem + 2.2vw, 2.4rem);
  line-height: 1.35;
  white-space: nowrap;
}
.hero p {
  margin: 0 0 28px;
  font-size: 1rem;
  opacity: 0.95;
  line-height: 1.8;
}
.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.hero__image {
  background: rgba(255,255,255,0.14);
  border-radius: 24px;
  padding: 14px;
  box-shadow: var(--shadow-md);
}
.hero__image img {
  border-radius: 18px;
  width: 100%;
  min-height: 220px;
  object-fit: cover;
}

/* ============================================================
   ボタン（btn）
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch-min);
  padding: 0 22px;
  border-radius: 999px;
  border: 2px solid transparent;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.2s ease, transform 0.15s ease;
}
.btn:hover { text-decoration: none; opacity: 0.88; }
.btn:active { transform: scale(0.97); }

/* 白ボタン：大会情報など */
.btn--primary {
  background: #fff;
  color: var(--color-primary-dark);
  border-color: #fff;
}
/* アウトラインボタン：協会について、会員加盟クラブなど */
.btn--secondary {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.85);
}
.btn--secondary:hover {
  background: rgba(255,255,255,0.15);
}

/* ============================================================
   セクション共通
   ============================================================ */
.section { padding: 48px 0; }
.section__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}
.section__title {
  margin: 0;
  font-size: clamp(1.3rem, 1.1rem + 1vw, 2rem);
  line-height: 1.4;
}
.section__lead {
  margin: 8px 0 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}

/* ============================================================
   グリッドレイアウト
   ============================================================ */
.notice-grid,
.shortcut-grid,
.link-grid,
.page-grid {
  display: grid;
  gap: 18px;
}
.notice-grid   { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.shortcut-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.link-grid     { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.page-grid     { grid-template-columns: 2fr 1fr; }

/* ============================================================
   カード
   ============================================================ */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.card__body { padding: 22px; }
.card__meta {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.card__cat-tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.card__title {
  margin: 0 0 10px;
  font-size: 1.1rem;
  line-height: 1.6;
}
.card__excerpt {
  color: #415161;
  margin: 0 0 16px;
  font-size: 0.95rem;
}
.card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.readmore {
  color: var(--color-primary-dark);
  font-weight: 700;
  font-size: 0.9rem;
}

/* ショートカットカード・リンクカード */
.shortcut-card,
.link-card {
  display: block;
  height: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  padding: 18px 16px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.shortcut-card:hover,
.link-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}
.shortcut-card__label,
.link-card__label {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: 1.5;
}
.shortcut-card__desc,
.link-card__desc {
  color: var(--color-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* ============================================================
   コンテンツページ共通
   ============================================================ */
.page-main,
.page-sidebar {
  min-width: 0;
}
.content-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 28px;
}
.page-title,
.entry-title {
  margin: 0 0 12px;
  font-size: clamp(1.4rem, 1.2rem + 1vw, 2.2rem);
  line-height: 1.45;
}
.entry-meta {
  color: var(--color-muted);
  font-size: 0.95rem;
  margin-bottom: 22px;
}
.entry-content h2,
.entry-content h3,
.entry-content h4 {
  margin-top: 1.8em;
  margin-bottom: 0.7em;
  line-height: 1.5;
}
.entry-content p,
.entry-content ul,
.entry-content ol,
.entry-content table,
.entry-content blockquote {
  margin-top: 0;
  margin-bottom: 1.1em;
}
.entry-content table {
  width: 100%;
  border-collapse: collapse;
}
.entry-content th,
.entry-content td {
  border: 1px solid var(--color-border);
  padding: 12px;
  vertical-align: top;
}
.entry-content th { background: #f0f6fb; }
.entry-content iframe,
.entry-content embed,
.entry-content object,
.entry-content video {
  max-width: 100%;
}

/* ============================================================
   サイドバー
   ============================================================ */
.sidebar-widget {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  box-shadow: var(--shadow-sm);
  padding: 22px;
  margin-bottom: 18px;
}
.sidebar-widget h2,
.sidebar-widget h3 {
  margin: 0 0 12px;
  font-size: 1.05rem;
}
.sidebar-widget ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.sidebar-widget li + li { margin-top: 8px; }
.sidebar-widget a {
  display: inline-block;
  padding: 2px 0;
}

/* ============================================================
   協会ページ専用スタイル
   ============================================================ */

/* ページヒーロー（協会・会員・大会情報ページ上部） */
.page-hero {
  background: linear-gradient(135deg, #0f5e8c 0%, #1d7fbf 100%);
  color: #fff;
  padding: 40px 0 36px;
}
.page-hero__title {
  margin: 8px 0 10px;
  font-size: clamp(1.6rem, 1.3rem + 1.2vw, 2.4rem);
  line-height: 1.35;
}
.page-hero__sub {
  margin: 0;
  font-size: 1rem;
  opacity: 0.92;
}
.page-hero .breadcrumb {
  margin: 0 0 4px;
  color: rgba(255,255,255,0.8);
  font-size: 0.88rem;
}
.page-hero .breadcrumb a { color: rgba(255,255,255,0.9); }

/* ページ内ナビゲーション */
.section--nav {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0;
  position: sticky;
  top: 82px;
  z-index: 90;
}
.page-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-nav a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0 18px;
  font-size: 0.93rem;
  font-weight: 600;
  color: var(--color-text);
  border-bottom: 3px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.page-nav a:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  text-decoration: none;
}

/* 白背景セクション */
.section--white { background: var(--color-surface); }

/* 小見出し */
.subsection-title {
  margin: 28px 0 12px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  padding-left: 10px;
  border-left: 3px solid var(--color-accent);
}
.subsection-title:first-child { margin-top: 0; }

/* 協会概要・役員テーブル */
.info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.info-table th,
.info-table td {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  vertical-align: top;
  line-height: 1.7;
}
.info-table thead th {
  background: #eef4fb;
  font-weight: 700;
  text-align: left;
}
.info-table tbody th {
  background: #f5f9fd;
  font-weight: 700;
  white-space: nowrap;
  width: 180px;
  color: var(--color-primary-dark);
}
.info-table tbody td { background: var(--color-surface); }
.info-table tbody tr:hover td,
.info-table tbody tr:hover th { background: #f8fbfe; }

/* 書類リスト（定款・規約・事業計画） */
.doc-list__ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.doc-list__item {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}
.doc-list__item:last-child { border-bottom: none; }
.doc-list__name {
  flex: 1;
  font-weight: 600;
  font-size: 0.96rem;
  min-width: 0;
}
.doc-list__tag {
  display: inline-block;
  padding: 2px 8px;
  background: #ddeef9;
  color: var(--color-primary-dark);
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: 4px;
  flex-shrink: 0;
}
.doc-list__link {
  flex-shrink: 0;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
}
.doc-list__link:hover { text-decoration: underline; }

/* 会長あいさつカード */
.greeting-card__text p { margin-bottom: 1em; }
.greeting-card__text p:last-child { margin-bottom: 0; }
.greeting-card__sig {
  margin-top: 1.4em;
  text-align: right;
  color: var(--color-muted);
  font-size: 0.95rem;
}

/* ============================================================
   大会スケジュールセクション
   ============================================================ */
.section--schedule { background: #eef6fb; }
.schedule-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.schedule-item {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 16px 22px;
  border-bottom: 1px solid var(--color-border);
  text-decoration: none;
  transition: background 0.15s ease;
}
.schedule-item:last-child { border-bottom: 0; }
.schedule-item:hover { background: #f4f9fd; text-decoration: none; }
.schedule-item__date {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
}
.schedule-item__title {
  font-weight: 600;
  color: var(--color-text);
  font-size: 0.97rem;
  line-height: 1.55;
}
.schedule-item__cat {
  font-size: 0.78rem;
  font-weight: 700;
  background: #ddeef9;
  color: var(--color-primary-dark);
  padding: 3px 10px;
  border-radius: 999px;
  white-space: nowrap;
}
.schedule-empty {
  padding: 28px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-muted);
}

/* section__more リンク */
.section__more {
  flex-shrink: 0;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
}
.section__more:hover { text-decoration: underline; }

/* ============================================================
   お問い合わせフォーム（Contact Form 7 含む汎用）
   ============================================================ */
.wpcf7,
.entry-content form {
  margin-top: 24px;
}

/* ラベル */
.wpcf7 label,
.entry-content form label {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 6px;
  color: var(--color-text);
}

/* テキスト・メール・電話・URL・テキストエリア・セレクト */
.wpcf7 input[type="text"],
.wpcf7 input[type="email"],
.wpcf7 input[type="tel"],
.wpcf7 input[type="url"],
.wpcf7 input[type="number"],
.wpcf7 textarea,
.wpcf7 select,
.entry-content form input[type="text"],
.entry-content form input[type="email"],
.entry-content form input[type="tel"],
.entry-content form textarea,
.entry-content form select {
  display: block;
  width: 100%;
  padding: 12px 14px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--color-text);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  appearance: none;
  -webkit-appearance: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  box-sizing: border-box;
}
.wpcf7 input:focus,
.wpcf7 textarea:focus,
.wpcf7 select:focus,
.entry-content form input:focus,
.entry-content form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(29,127,191,0.18);
}

.wpcf7 textarea,
.entry-content form textarea {
  min-height: 160px;
  resize: vertical;
}

/* フォームブロック間余白 */
.wpcf7 p,
.wpcf7 .form-row,
.entry-content form p {
  margin-bottom: 20px;
}

/* 送信ボタン */
.wpcf7 input[type="submit"],
.entry-content form input[type="submit"],
.entry-content form button[type="submit"] {
  display: block;
  width: 100%;
  min-height: var(--touch-min);
  padding: 0 24px;
  background: var(--color-primary);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  font-family: inherit;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease;
}
.wpcf7 input[type="submit"]:hover,
.entry-content form input[type="submit"]:hover {
  background: var(--color-primary-dark);
}
.wpcf7 input[type="submit"]:active {
  transform: scale(0.97);
}

/* バリデーションメッセージ */
.wpcf7-not-valid-tip {
  color: #c0392b;
  font-size: 0.85rem;
  margin-top: 4px;
  display: block;
}
.wpcf7-response-output {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  border: 1px solid var(--color-border);
}
.wpcf7-mail-sent-ok {
  background: #e8f8ee;
  border-color: #56b870;
  color: #1e6e36;
}
.wpcf7-mail-sent-ng,
.wpcf7-validation-errors {
  background: #fdf0ef;
  border-color: #e07070;
  color: #8b2020;
}

/* ============================================================
   パンくず
   ============================================================ */
.breadcrumb {
  margin: 20px 0 0;
  color: var(--color-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}
.breadcrumb span { margin: 0 6px; }

/* ============================================================
   ページネーション
   ============================================================ */
.pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}
.pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: var(--touch-min);
  min-height: var(--touch-min);
  padding: 0 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
  font-size: 0.95rem;
}
.pagination .current {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ============================================================
   フッター
   ============================================================ */
.site-footer {
  background: #102a3d;
  color: #dce8f2;
  margin-top: 50px;
}
.site-footer a { color: #fff; }
.site-footer a:hover { text-decoration: underline; }
.site-footer__top { padding: 40px 0 20px; }
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: 28px;
}
.site-footer__title {
  margin: 0 0 10px;
  color: #fff;
  font-size: 1rem;
}
.site-footer__text,
.site-footer__list {
  color: #dce8f2;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.93rem;
  line-height: 1.9;
}
.site-footer__list li + li { margin-top: 6px; }
.site-footer__bottom {
  padding: 14px 0 28px;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 0.88rem;
  color: #dce8f2;
}

/* ============================================================
   アクセシビリティ
   ============================================================ */
.screen-reader-text {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.screen-reader-text:focus {
  position: static !important;
  width: auto; height: auto;
  margin: 0; overflow: visible;
  clip: auto; white-space: normal;
  background: #fff; color: #000;
  padding: 8px 12px; z-index: 100000;
}

/* ============================================================
   レスポンシブ：タブレット（〜1024px）
   ============================================================ */
@media (max-width: 1024px) {
  /* ヒーロー：画像を下に */
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .hero__image { order: -1; }
  .hero__image img { min-height: 220px; }

  /* グリッド調整 */
  .shortcut-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .link-grid     { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .notice-grid   { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  /* コンテンツページ：サイドバー下へ */
  .page-grid { grid-template-columns: 1fr; }

  /* フッター：2カラム */
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   レスポンシブ：スマホ〜タブレット境界（〜840px）
   ============================================================ */
@media (max-width: 840px) {
  /* ハンバーガーメニュー表示 */
  .menu-toggle { display: inline-flex; }

  .primary-nav {
    display: none;
    width: 100%;
    padding-bottom: 16px;
    border-top: 1px solid var(--color-border);
    margin-top: 8px;
  }
  .primary-nav.is-open { display: block; }

  .site-header__inner {
    flex-wrap: wrap;
    padding: 10px 0;
    min-height: auto;
  }

  /* モバイルナビのリンクを縦並び・タッチしやすく */
  .primary-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }
  .primary-nav a {
    padding: 14px 16px;
    font-size: 1rem;
  }
  .primary-nav .sub-menu {
    position: static;
    display: block;
    border: 0;
    box-shadow: none;
    padding: 0 0 0 16px;
    margin-top: 2px;
  }
  .primary-nav .sub-menu a {
    padding: 12px 14px;
  }

  /* ショートカットグリッド：2カラムに */
  .shortcut-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ============================================================
   レスポンシブ：スマートフォン（〜640px）
   ============================================================ */
@media (max-width: 640px) {
  /* ヒーロー */
  .hero {
    padding: 36px 0 32px;
  }
  .hero__image { display: none; } /* スマホでは画像を非表示にして読み込み軽減 */
  .hero h1 { font-size: 1.55rem; }
  .hero p  { font-size: 0.95rem; }

  /* ヒーローボタン：縦並び・全幅 */
  .hero__actions {
    flex-direction: column;
    gap: 10px;
  }
  .btn {
    width: 100%;
    font-size: 1rem;
    min-height: 52px;
  }
  /* 大会情報ボタン：白背景・紺テキスト（視認性◎） */
  .btn--primary {
    background: #fff;
    color: var(--color-primary-dark);
    border-color: #fff;
  }
  /* 会員加盟クラブ・その他ボタン：透明背景・白テキスト・白枠（視認性◎） */
  .btn--secondary {
    background: transparent;
    color: #fff;
    border-color: #fff;
  }

  /* グリッド：全て1カラム */
  .shortcut-grid,
  .link-grid,
  .notice-grid { grid-template-columns: 1fr; }

  /* セクション余白縮小 */
  .section { padding: 32px 0; }
  .section__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  /* カード・コンテンツの余白縮小 */
  .content-card { padding: 20px 16px; }
  .sidebar-widget { padding: 18px 16px; }
  .card__body { padding: 18px 16px; }

  /* フッター：1カラム */
  .site-footer__grid { grid-template-columns: 1fr; }
  .site-footer__top { padding: 28px 0 16px; }

  /* 大会スケジュール：スマホ2カラム→縦積み */
  .schedule-item {
    grid-template-columns: 56px 1fr;
    grid-template-rows: auto auto;
    gap: 4px 10px;
    padding: 14px 16px;
  }
  .schedule-item__cat {
    grid-column: 2;
    justify-self: start;
    margin-top: 2px;
  }

  /* テーブルのスマホ対応：横スクロール */
  .entry-content table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
  }

  /* ページネーションのタッチ余白拡大 */
  .pagination .page-numbers {
    min-width: 44px;
    min-height: 44px;
  }

  /* パンくずを折り返し対応 */
  .breadcrumb {
    font-size: 0.85rem;
    word-break: break-all;
  }
}

/* ============================================================
   お問い合わせフォーム専用スタイル
   ============================================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  align-items: start;
}
.contact-main h2 {
  margin: 0 0 8px;
  font-size: 1.2rem;
  color: var(--color-primary-dark);
}
.contact-main > .content-card > p {
  margin: 0 0 24px;
  color: var(--color-muted);
  font-size: 0.95rem;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.form-required {
  color: #c0392b;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.form-required::before {
  content: "※";
  margin-right: 1px;
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--color-text);
  background: #fff;
  transition: border-color 0.2s;
  outline: none;
}
.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(15, 94, 140, 0.12);
}
.form-group textarea { resize: vertical; min-height: 140px; }
.form-group select { cursor: pointer; }
.form-group--privacy label {
  font-weight: 400;
  gap: 10px;
  cursor: pointer;
}
.form-group--privacy input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  flex-shrink: 0;
  accent-color: var(--color-primary);
}
.form-submit {
  display: flex;
  justify-content: center;
  padding-top: 4px;
}
.form-submit .btn {
  min-width: 200px;
  border: 2px solid var(--color-primary-dark);
  font-size: 1.05rem;
  letter-spacing: 0.05em;
}
/* サイドバー */
.contact-side .content-card h3 {
  margin: 0 0 14px;
  font-size: 1rem;
  color: var(--color-primary-dark);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 8px;
}
.contact-info { margin: 0; }
.contact-info dt {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--color-muted);
  margin-top: 10px;
}
.contact-info dd { margin: 2px 0 0 0; font-size: 0.95rem; }
.faq-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.faq-list a { font-size: 0.92rem; font-weight: 600; }

@media (max-width: 840px) {
  .contact-layout { grid-template-columns: 1fr; }
}

/* ============================================================
   カヌーをはじめるページ専用スタイル
   ============================================================ */

/* 吹き出しグリッド（カヌーとは・3列） */
.balloon-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: start;
}
.balloon-card {
  position: relative;
  background: #e8f4fd;
  border-radius: 16px;
  padding: 22px 20px 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.07);
}
.balloon-card::after {
  content: '';
  position: absolute;
  bottom: -16px;
  left: 50%;
  transform: translateX(-50%);
  border: 10px solid transparent;
  border-top-color: #e8f4fd;
}
.balloon-card h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}
.balloon-card p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--color-text);
}

/* 競技種目リスト */
.discipline-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.discipline-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: 8px;
  padding: 20px 24px;
}
.discipline-item h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}
.discipline-item p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
}

@media (max-width: 840px) {
  .balloon-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .balloon-card::after {
    bottom: auto;
    top: -16px;
    border-top-color: transparent;
    border-bottom-color: #e8f4fd;
  }
}
@media (min-width: 641px) and (max-width: 840px) {
  .balloon-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================================
   レスポンシブ：超小型スマートフォン（〜375px）
   ============================================================ */
@media (max-width: 375px) {
  .site-logo img { width: 44px; height: 44px; }
  .site-title { font-size: 0.88rem; }
  .site-description { display: none; } /* 極小画面ではキャッチフレーズを非表示 */
  .hero h1 { font-size: 1.35rem; }
  .content-card { padding: 16px 12px; }
}