@charset "UTF-8";
/*
 Theme Name: SANGO Child
 Theme URI: https://saruwakakun.design
 Author: SARUWAKA
 Author URI: https://saruwakakun.com
 Template: sango-theme
 Version: 4.0
*/
/*こちらはSANGOの子テーマ用CSSです。以下にCSSを記入していきましょう。*/

/* Japanese mobile header: keep the site title on one line. 2026-10-28 */
@media (max-width: 767px) {
  header.header #inner-header.omutsu-language-sango,
  header.header #drawer + #inner-header.omutsu-language-sango {
    width: 100%;
    max-width: none;
    box-sizing: border-box;
    margin: 0;
    padding: 0 144px 0 48px;
    min-height: 64px;
    align-items: center;
  }

  header.header #inner-header.omutsu-language-sango > #logo {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1 1 auto;
    width: auto;
    min-width: 0;
    max-width: none;
    min-height: 64px;
    margin: 0;
    padding: 0;
    white-space: nowrap;
  }

  header.header #inner-header.omutsu-language-sango > #logo::before {
    display: none;
  }

  header.header #inner-header.omutsu-language-sango > #logo > a {
    display: block;
    white-space: nowrap;
  }

  header.header #inner-header.omutsu-language-sango .header-search {
    right: 100px;
    width: 44px;
  }

  header.header #inner-header.omutsu-language-sango > #omutsu-language-menu {
    right: 8px;
    width: 92px;
  }
}

/* Learning-guide sidebar: readable titles and links. 2026-11-04 */
.omutsu-series-nav.omutsu-series-sidebar .omutsu-series-heading strong {
  font-size: 18px;
  line-height: 1.5;
}
.omutsu-series-nav.omutsu-series-sidebar .omutsu-series-chapter summary,
.omutsu-series-nav.omutsu-series-sidebar .omutsu-series-chapter li a {
  font-size: 15px;
  line-height: 1.6;
}
.omutsu-series-nav.omutsu-series-sidebar .omutsu-series-chapter summary {
  padding-top: 11px;
  padding-bottom: 11px;
  padding-right: 22px;
  position: relative;
}
.omutsu-series-nav.omutsu-series-sidebar .omutsu-series-chapter summary::after {
  position: absolute;
  right: 0;
  top: 11px;
  font-size: 16px;
}
.omutsu-series-nav.omutsu-series-sidebar .omutsu-series-next strong {
  font-size: 16px;
  line-height: 1.6;
}
.omutsu-series-nav.omutsu-series-sidebar .omutsu-series-heading small,
.omutsu-series-nav.omutsu-series-sidebar .omutsu-series-progress,
.omutsu-series-nav.omutsu-series-sidebar .omutsu-series-next > span,
.omutsu-series-nav.omutsu-series-sidebar .omutsu-series-overview {
  font-size: 14px;
  line-height: 1.6;
}
.omutsu-series-nav.omutsu-series-sidebar .omutsu-series-number,
.omutsu-series-nav.omutsu-series-sidebar .omutsu-series-chapter a small,
.omutsu-series-nav.omutsu-series-sidebar .omutsu-series-all {
  font-size: 13px;
  line-height: 1.6;
}
.omutsu-series-nav.omutsu-series-sidebar .omutsu-series-number {
  flex-shrink: 0;
  min-width: 1.5em;
}