/* 資格スマートラーニング 小学生問題集エリア */
:root {
  --skids-main: #397968;
  --skids-main-dark: #2c5f52;
  --skids-text: #183f45;
  --skids-light: #f2f8f6;
  --skids-border: #d5e6e1;
  --skids-muted: #5b6f72;
  --skids-radius: 12px;
}

/* ---------- 資格のページ：切り替え帯 ---------- */
.skids-switch {
  background: var(--skids-light);
  border-bottom: 1px solid var(--skids-border);
  font-size: 13px;
  line-height: 1.4;
}
.skids-switch-in {
  max-width: 1256px;
  margin: 0 auto;
  padding: 6px 16px;
  text-align: center;
  color: var(--skids-text);
}
.skids-switch-current { font-weight: 700; }
.skids-switch-sep { margin: 0 .6em; color: var(--skids-muted); }
.skids-switch-link,
.skids-switch-link:visited {
  color: var(--skids-main);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
  display: inline-block;
  padding: 4px 2px;
}

/* ---------- サイトトップの案内（2行の帯） ---------- */
.skids-home-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px 20px;
  margin: 0 0 32px;
  padding: 14px 20px;
  border: 1px solid var(--skids-border);
  border-left: 4px solid var(--skids-main);
  border-radius: 10px;
  background: #fafcfb;
  color: var(--skids-text);
  box-sizing: border-box;
}
.skids-home-strip-body { min-width: 0; }
.entry-content p.skids-home-strip-title,
.skids-home-strip-title { margin: 0 0 2px; font-size: 1.15rem; font-weight: 700; line-height: 1.5; color: var(--skids-text); }
.entry-content p.skids-home-strip-text,
.skids-home-strip-text { margin: 0; font-size: .95rem; line-height: 1.6; color: var(--skids-muted); }
.skids-home-strip-link,
.skids-home-strip-link:visited {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 16px;
  border: 1px solid var(--skids-main);
  border-radius: 8px;
  background: #fff;
  color: var(--skids-main) !important;
  font-weight: 700;
  text-decoration: none !important;
  white-space: nowrap;
}
.skids-home-strip-link:hover { background: var(--skids-light); }
@media (max-width: 600px) {
  .skids-home-strip { flex-direction: column; align-items: stretch; padding: 12px 14px; }
  .skids-home-strip-link { justify-content: center; }
}

/* ---------- 共通ボタン ---------- */
.skids-btn,
.skids-btn:visited {
  display: inline-block;
  min-height: 48px;
  padding: 12px 24px;
  border-radius: 8px;
  background: var(--skids-main);
  color: #fff !important;
  font-weight: 700;
  line-height: 24px;
  text-align: center;
  text-decoration: none !important;
  box-sizing: border-box;
  transition: background .2s;
}
.skids-btn:hover { background: var(--skids-main-dark); }

/* ---------- 小学生エリア：テーマの要素を隠す ---------- */
body.skids-area #header-container,
body.skids-area #navi,
body.skids-area .mobile-header-menu-buttons,
body.skids-area .mobile-footer-menu-buttons,
body.skids-area #sidebar,
body.skids-area #breadcrumb,
body.skids-area .date-tags,
body.skids-area .eye-catch-wrap,
body.skids-area .sns-share,
body.skids-area .sns-follow,
body.skids-area .author-info,
body.skids-area .footer-bottom-logo,
body.skids-area .ad-area,
body.skids-area .toc { display: none !important; }
body.skids-area.mblt-footer-mobile-buttons,
body.skids-area.mblt-header-and-footer-mobile-buttons { margin-bottom: 0 !important; padding-bottom: 0 !important; }
body.skids-area .main { color: var(--skids-text); }
body.skids-area .article h1.entry-title { color: var(--skids-text); }

/* ---------- 小学生エリア：専用ヘッダー ---------- */
.skids-header {
  background: #fff;
  border-top: 4px solid var(--skids-main);
  border-bottom: 1px solid var(--skids-border);
}
.skids-header-in {
  max-width: 1256px;
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 20px;
  box-sizing: border-box;
}
.skids-brand { display: flex; flex-direction: column; gap: 2px; }
.skids-logo,
.skids-logo:visited {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--skids-text) !important;
  text-decoration: none !important;
}
.skids-operator,
.skids-operator:visited {
  font-size: 12px;
  color: var(--skids-muted) !important;
  text-decoration: underline;
}
.skids-gradenav { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 10px; }
.skids-gradenav-label { font-size: 13px; font-weight: 700; color: var(--skids-muted); }
.skids-gradenav ul { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; }
.skids-gradenav li { margin: 0; padding: 0; }
.skids-gradenav a,
.skids-gradenav a:visited {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  min-height: 44px;
  padding: 0 8px;
  border: 1px solid var(--skids-border);
  border-radius: 8px;
  background: var(--skids-light);
  color: var(--skids-text) !important;
  font-weight: 700;
  text-decoration: none !important;
  box-sizing: border-box;
}
.skids-gradenav a:hover { border-color: var(--skids-main); }
.skids-gradenav a.is-current { background: var(--skids-main); border-color: var(--skids-main); color: #fff !important; }
@media (max-width: 600px) {
  .skids-header-in { flex-direction: column; align-items: stretch; }
  .skids-gradenav ul { display: grid; grid-template-columns: repeat(6, 1fr); width: 100%; }
  .skids-gradenav a { min-width: 0; width: 100%; padding: 0 2px; }
}

/* ---------- パンくず ---------- */
.skids-bc-wrap { max-width: 1256px; margin: 0 auto; padding: 8px 16px 0; box-sizing: border-box; }
.skids-breadcrumb ol { display: flex; flex-wrap: wrap; margin: 0; padding: 0; list-style: none; font-size: 13px; line-height: 1.6; color: #666; }
.skids-breadcrumb li { margin: 0; padding: 0; }
.skids-breadcrumb a, .skids-breadcrumb a:visited { color: #555; text-decoration: underline; }
.skids-bc-sep { margin: 0 .4em; color: #999; }

/* ---------- 小学生エリア：本文 ---------- */
.skids { color: var(--skids-text); line-height: 1.8; }
.skids *, .skids *::before, .skids *::after { box-sizing: border-box; }
.skids ul { margin: 0; padding: 0; list-style: none; }
.skids li { margin: 0; padding: 0; }
.skids-intro { display: flex; align-items: center; gap: 12px; margin: 0 0 16px; }
.skids-sensei { width: 72px; height: 72px; flex-shrink: 0; }
.skids-lead { margin: 0; font-size: 1.06em; font-weight: 700; }

/* 学年ボタン：スマホ2列・PC3列 */
.skids-grades ul { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (min-width: 600px) { .skids-grades ul { grid-template-columns: repeat(3, 1fr); } }
.skids-grade-btn,
.skids-grade-btn:visited {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
  min-height: 64px;
  padding: 12px 8px;
  border-radius: var(--skids-radius);
  background: var(--skids-main);
  color: #fff !important;
  font-weight: 700;
  text-decoration: none !important;
  transition: background .2s;
}
.skids-grade-btn:hover { background: var(--skids-main-dark); }
.skids-grade-num { font-size: 1.8rem; line-height: 1.2; }
.skids-grade-small { font-size: 1rem; }

.skids-status { margin: 20px 0 4px; }
.skids-status-label {
  display: inline-block;
  margin-right: .6em;
  padding: 0 .6em;
  border-radius: 4px;
  background: var(--skids-main);
  color: #fff;
  font-size: .8em;
  font-weight: 700;
}
.skids-soon { margin: 0 0 16px; font-size: .85em; color: var(--skids-muted); }

/* 保護者の方へ */
.skids-parents { margin: 24px 0; border: 1px solid var(--skids-border); border-radius: 8px; background: #fafcfb; padding: .2em .9em; }
.skids-parents > summary { cursor: pointer; padding: .7em .2em; font-weight: 700; color: var(--skids-text); }
.skids-parents[open] > summary { border-bottom: 1px solid var(--skids-border); margin-bottom: .6em; }
.skids-parents-body p { margin: 0 0 .8em; font-size: .92em; }
.skids-table { width: 100%; max-width: 420px; margin: 0 0 1em; border-collapse: collapse; font-size: .9em; }
.skids-table caption { text-align: left; font-weight: 700; padding-bottom: 4px; }
.skids-table th, .skids-table td { padding: 4px 8px; border: 1px solid var(--skids-border); text-align: left; }
.skids-table thead th { background: var(--skids-light); }

/* 教科カード */
.skids-subject-cards { display: grid; grid-template-columns: 1fr; gap: 12px; margin: 0 0 28px; }
@media (min-width: 600px) { .skids-subject-cards { grid-template-columns: repeat(2, 1fr); } }
.skids-subject-card { padding: 20px; background: #fff; border: 1px solid var(--skids-border); border-top: 4px solid var(--skids-main); border-radius: var(--skids-radius); }
.skids-subject-card-title { margin: 0; font-size: 1.3rem; font-weight: 700; }
.skids-subject-card-note { margin: 0 0 12px; font-size: .9em; color: var(--skids-muted); }
.skids-subject-card .skids-btn { width: 100%; }

/* 単元一覧 */
.skids-units { margin: 0 0 24px; }
.skids-units-subject { margin: 0 0 8px; font-weight: 700; color: var(--skids-muted); }
.skids-unit-group { margin: 0 0 20px; }
.entry-content .skids-unit-group-title,
.skids-unit-group-title {
  margin: 0 0 8px;
  padding: 6px 12px;
  border: 0;
  border-left: 5px solid var(--skids-main);
  border-radius: 0;
  background: var(--skids-light);
  color: var(--skids-text);
  font-size: 1.1rem;
  line-height: 1.5;
  text-align: left;
}
.entry-content .skids-unit-group-title::before,
.entry-content .skids-unit-group-title::after { display: none; }
.skids-unit-list { display: grid; grid-template-columns: 1fr; gap: 6px; }
@media (min-width: 600px) { .skids-unit-list { grid-template-columns: repeat(2, 1fr); } }
.skids-unit-list a,
.skids-unit-list a:visited {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid var(--skids-border);
  border-radius: 8px;
  background: #fff;
  color: var(--skids-text) !important;
  text-decoration: none !important;
  line-height: 1.5;
}
.skids-unit-list a:hover { border-color: var(--skids-main); }
.skids-unit-list a.is-current { border-color: var(--skids-main); background: var(--skids-light); font-weight: 700; }

/* 学年×教科ページ */
.skids-subnav ul { display: flex; flex-wrap: wrap; gap: 8px; }
.skids-subnav-top { margin: 0 0 12px; }
.skids-subnav-bottom { margin: 16px 0 28px; }
.skids-subnav li { flex: 1 1 auto; }
.skids-subnav a,
.skids-subnav a:visited {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 6px 12px;
  border: 1px solid var(--skids-main);
  border-radius: 8px;
  background: #fff;
  color: var(--skids-main) !important;
  font-size: .9em;
  font-weight: 700;
  text-align: center;
  text-decoration: none !important;
  line-height: 1.4;
}
.skids-subnav a:hover { background: var(--skids-light); }
.skids-current-unit { margin: 0 0 12px; padding: 8px 12px; border-radius: 8px; background: var(--skids-light); font-weight: 700; }
.skids-current-unit-label { display: inline-block; margin-right: .6em; font-size: .8em; color: var(--skids-muted); }
.skids-notice { margin: 0 0 12px; padding: 10px 12px; border: 1px solid #e5c98f; border-radius: 8px; background: #fff8e8; }
.skids-material { margin: 0; }
.skids-material iframe { max-width: 100%; }
.skids-about { margin: 8px 0 24px; }
.entry-content .skids-about > h2,
.skids-about > h2 {
  margin: 0 0 8px;
  font-size: 1.4rem;
  text-align: left;
}
.skids-about-text { margin: 0 0 16px; font-size: .95em; }

/* 前の学年／次の学年 */
.skids-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 24px 0; }
.skids-pager a,
.skids-pager a:visited {
  display: block;
  min-height: 48px;
  padding: 10px 14px;
  border: 1px solid var(--skids-border);
  border-radius: 8px;
  background: #fff;
  color: var(--skids-text) !important;
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none !important;
}
.skids-pager a:hover { border-color: var(--skids-main); }
.skids-pager-next { text-align: right; }
.skids-pager-dir { display: block; font-size: .78em; font-weight: 400; color: var(--skids-muted); }
.skids-pager-prev .skids-pager-dir::before { content: "← "; }
.skids-pager-next .skids-pager-dir::after { content: " →"; }

/* 最下部：大人の資格の学習 */
.skids-adult-link { margin: 40px 0 8px; padding-top: 16px; border-top: 1px solid var(--skids-border); text-align: center; font-size: .9em; }
.skids-adult-link a, .skids-adult-link a:visited { color: var(--skids-muted); text-decoration: underline; }

/* テーマ本文の段落余白より優先する */
.entry-content .skids p.skids-subject-card-title { margin: 0 0 4px; }
.entry-content .skids p.skids-subject-card-note { margin: 0 0 12px; }
.entry-content .skids p.skids-lead,
.entry-content .skids p.skids-units-subject { margin-top: 0; }
.entry-content .skids p.skids-status { margin: 20px 0 4px; }
.entry-content .skids p.skids-soon { margin: 0 0 16px; }

/* 教科共通：教材の上の案内・リンクなしの単元名・保護者向けの教科名 */
.entry-content .skids p.skids-material-note { margin: 0 0 10px; padding: 8px 12px; border-left: 4px solid var(--skids-main); background: var(--skids-light); font-weight: 700; line-height: 1.6; }
.skids-unit-plain { display: flex; align-items: center; min-height: 40px; padding: 6px 12px; border: 1px solid var(--skids-border); border-radius: 8px; background: #fff; line-height: 1.5; }
.entry-content .skids p.skids-parents-subject { margin: 1em 0 .3em; font-weight: 700; }

/* 学年ページ：教科カードの見出し（H2）と「単元からえらぶ」 */
.entry-content .skids h2.skids-subject-card-title,
.skids h2.skids-subject-card-title { margin: 0 0 4px; padding: 0; border: 0; background: none; font-size: 1.3rem; line-height: 1.4; text-align: left; color: var(--skids-text); }
.entry-content .skids h2.skids-subject-card-title::before,
.entry-content .skids h2.skids-subject-card-title::after { display: none; }
.skids-subject-card-sub, .skids-subject-card-sub:visited { display: block; margin-top: 10px; padding: 6px 0; text-align: center; color: var(--skids-main) !important; font-weight: 700; text-decoration: underline; }
.skids-home-strip-link span { margin-left: .35em; }