/* =========================================================
   庚壬塾2026 共通デザイン
   ページ固有のCSSより先に読み込む基準設定です。
   ========================================================= */

.kousinjuku-2026 {
  --kc-navy: #123d63;
  --kc-navy-dark: #082f55;
  --kc-green: #4e8d20;
  --kc-green-dark: #2f7018;
  --kc-green-light: #f3f8ed;
  --kc-orange: #f57c16;
  --kc-cream: #fffaf1;
  --kc-text: #263746;
  --kc-muted: #687782;
  --kc-border: #dbe5d5;
  --kc-white: #fff;
  --kc-content: 1120px;
  --kc-reading: 820px;
  --kc-radius: 16px;
  --kc-shadow: 0 12px 34px rgba(18, 61, 99, 0.08);

  color: var(--kc-text);
  font-family: "BIZ UDPGothic", "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.9;
  overflow-wrap: anywhere;
}

.kousinjuku-2026 *,
.kousinjuku-2026 *::before,
.kousinjuku-2026 *::after {
  box-sizing: border-box;
}

.kousinjuku-2026 img {
  max-width: 100%;
  height: auto;
}

/* 共通ヘッダー */
.ks26-header { position: relative; z-index: 100; border-bottom: 1px solid var(--kc-border); background: rgba(255,255,255,.98); }
.ks26-header__inner { display: flex; width: min(1240px, calc(100% - 40px)); min-height: 92px; align-items: center; justify-content: space-between; gap: 22px; margin: 0 auto; }
.ks26-brand { display: flex; flex: 0 0 auto; align-items: center; gap: 12px; color: var(--kc-navy) !important; text-decoration: none !important; }
.ks26-brand img { width: 100px; max-height: 68px; object-fit: contain; }
.ks26-brand > span { display: grid; line-height: 1.08; }
.ks26-brand strong { display: flex; align-items: flex-start; font-size: clamp(22px,2.3vw,31px); font-weight: 900; letter-spacing: .015em; white-space: nowrap; }
.ks26-brand__school-name { display: grid; line-height: 1.08; }
.ks26-brand em { margin-top: 3px; font-size: 10px; font-style: normal; font-weight: 700; letter-spacing: .2em; text-align: center; }
.ks26-nav { display: flex; align-items: center; gap: 14px; }
.ks26-nav > a { color: var(--kc-navy) !important; font-size: 13px; font-weight: 800; text-decoration: none !important; white-space: nowrap; }
.ks26-nav .ks26-phone { display: grid; color: var(--kc-green-dark) !important; font-size: 20px; line-height: 1.15; }
.ks26-phone small { font-size: 10px; text-align: center; }
.ks26-nav .ks26-cta { padding: 12px 16px; border-radius: 9px; color: #fff !important; background: var(--kc-orange); box-shadow: 0 8px 20px rgba(245,124,22,.2); }
.ks26-menu-button { display: none; }

/* 共通フッター */
.ks26-footer-cta { display: flex; width: min(980px, calc(100% - 40px)); align-items: center; justify-content: center; gap: 28px; margin: 0 auto; padding: 24px 32px; border-radius: 18px 18px 0 0; background: linear-gradient(110deg,#fffaf1,#f4f9e8); text-align: center; }
.ks26-footer-cta > div { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 14px 22px; }
.ks26-footer-cta p { width: 100%; margin: 0; color: var(--kc-navy); font-size: 22px; font-weight: 900; }
.ks26-footer-phone { color: var(--kc-navy) !important; font-size: 28px; font-weight: 900; text-decoration: none !important; }
.ks26-footer-cta__button { padding: 13px 22px; border-radius: 9px; color: #fff !important; background: var(--kc-orange); font-weight: 900; text-decoration: none !important; }
.ks26-footer-cta > img { width: 72px; max-height: 105px; object-fit: contain; }
.ks26-footer { padding: 38px 0 14px; color: rgba(255,255,255,.88); background: var(--kc-navy-dark); }
.ks26-footer__inner { display: grid; width: min(var(--kc-content), calc(100% - 40px)); align-items: center; grid-template-columns: 190px 1fr 1.3fr; gap: 34px; margin: 0 auto; }
.ks26-footer__brand img { width: 180px; max-height: 95px; object-fit: contain; }
.ks26-footer__info strong { color: #fff; font-size: 18px; }
.ks26-footer__info p { margin: 5px 0 0; color: rgba(255,255,255,.86) !important; font-size: 13px; font-weight: 600; line-height: 1.65; }
.ks26-footer__nav { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px 20px; }
.ks26-footer__nav a { color: #fff !important; font-size: 13px; font-weight: 700; text-decoration: none !important; }
.ks26-footer__copyright { margin: 28px 0 0; color: rgba(255,255,255,.68) !important; font-size: 11px; text-align: center; }

/* 編集可能な標準固定ページ・投稿記事 */
.ks26-main { min-height: 55vh; background: #fff; }
.ks26-page-hero { padding: 64px 0 48px; background: linear-gradient(110deg,#f7faef,#fffaf1); }
.ks26-page-hero p { margin: 0 0 8px; color: var(--kc-green-dark); font-size: 13px; font-weight: 900; letter-spacing: .15em; }
.ks26-page-hero h1 { margin: 0; color: var(--kc-navy); font-size: clamp(34px,5vw,52px); font-weight: 900; line-height: 1.35; }
.ks26-entry,.ks26-article { padding-block: 52px 72px; }
.ks26-entry__image { overflow: hidden; margin: 0 0 40px; border-radius: var(--kc-radius); }
.ks26-entry__image img { display: block; width: 100%; max-height: 520px; object-fit: cover; }
.ks26-entry__content > *:first-child { margin-top: 0; }
.ks26-entry__content h2 { margin: 2.4em 0 .8em; padding-bottom: .35em; border-bottom: 3px solid #dfeacb; color: var(--kc-navy); font-size: clamp(27px,3.5vw,36px); font-weight: 900; }
.ks26-entry__content h3 { margin: 2em 0 .65em; color: var(--kc-navy); font-size: clamp(22px,3vw,28px); font-weight: 900; }
.ks26-entry__content p,.ks26-entry__content li { font-size: 18px; font-weight: 600; line-height: 1.9; }
.ks26-entry__content a { color: var(--kc-green-dark); font-weight: 700; }
.ks26-article__header { margin-bottom: 38px; }
.ks26-article__category { margin: 0 0 10px; color: var(--kc-green-dark); font-size: 14px; font-weight: 800; }
.ks26-article__header h1 { margin: 0 0 16px; color: var(--kc-navy); font-size: clamp(34px,5vw,50px); font-weight: 900; line-height: 1.4; }
.ks26-article__header time { color: var(--kc-muted); font-size: 14px; }
.ks26-post-navigation { display: grid; margin-top: 60px; padding-top: 24px; border-top: 1px solid var(--kc-border); grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; }
.ks26-post-navigation div:last-child { text-align: right; }
.ks26-post-navigation a { color: var(--kc-green-dark); font-weight: 800; text-decoration: none; }

.kousinjuku-2026 :where(p, li, dd) {
  color: var(--kc-text);
}

.kousinjuku-2026 :where(h1, h2, h3, h4) {
  color: var(--kc-navy-dark);
  font-weight: 800;
  line-height: 1.45;
  letter-spacing: 0.02em;
}

.kousinjuku-2026 h1 {
  font-size: clamp(2.25rem, 5vw, 4rem);
}

.kousinjuku-2026 h2 {
  font-size: clamp(1.75rem, 3.6vw, 2.7rem);
}

.kousinjuku-2026 h3 {
  font-size: clamp(1.25rem, 2.4vw, 1.65rem);
}

.kc-wrap {
  width: min(var(--kc-content), calc(100% - 40px));
  margin-inline: auto;
}

.kc-reading-width {
  width: min(var(--kc-reading), calc(100% - 40px));
  margin-inline: auto;
}

.kc-section {
  padding-block: clamp(48px, 6vw, 76px);
}

.kc-section--pale {
  background: var(--kc-green-light);
}

.kc-card {
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--kc-border);
  border-radius: var(--kc-radius);
  background: var(--kc-white);
  box-shadow: var(--kc-shadow);
}

/* 投稿で選択できる「お知らせ囲み」 */
.kc-info-box {
  margin-block: 32px;
  padding: clamp(22px, 4vw, 34px);
  border: 2px solid #8fbd78;
  border-radius: 14px;
  background: #f7fbf3;
}

.kc-info-box h3 {
  margin: 0 0 10px;
  color: var(--kc-green-dark);
}

.kc-info-box p:last-child {
  margin-bottom: 0;
}

/* 投稿で選択できる「ケロ子のひとこと」 */
.kc-keroko-message {
  align-items: center;
  margin-block: 32px;
  padding: 18px 24px;
  border-radius: 14px;
  background: var(--kc-cream);
}

.kc-keroko-message .wp-block-media-text__media img {
  display: block;
  max-height: 190px;
  object-fit: contain;
}

.kc-keroko-message .wp-block-media-text__content {
  padding: 20px 28px;
  font-size: 1.1rem;
  font-weight: 700;
}

/* 投稿・固定ページで選択できる共通相談ブロック */
.kc-contact-pattern {
  margin-block: 48px;
  padding: clamp(28px, 5vw, 48px);
  border-radius: var(--kc-radius);
  background: var(--kc-cream);
  text-align: center;
}

.kc-contact-pattern h2 {
  margin-top: 0;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
}

.kc-button .wp-block-button__link {
  min-height: 56px;
  padding: 14px 26px;
  border-radius: 9px;
  font-weight: 800;
  text-decoration: none;
}

.kc-button--phone .wp-block-button__link {
  border: 2px solid var(--kc-green);
  color: var(--kc-green-dark);
  background: var(--kc-white);
}

.kc-button--orange .wp-block-button__link {
  color: var(--kc-white);
  background: var(--kc-orange);
}

/* スマートフォン下部の電話・相談ボタン用 */
.kc-mobile-actions {
  display: none;
}

@media (max-width: 767px) {
  .kousinjuku-2026 {
    padding-bottom: 74px;
    font-size: 17px;
    line-height: 1.85;
  }

  .kc-wrap,
  .kc-reading-width {
    width: min(100% - 28px, var(--kc-content));
  }

  .kc-section {
    padding-block: 46px;
  }

  .kc-card {
    padding: 22px 18px;
  }

  .kc-keroko-message {
    grid-template-columns: 1fr !important;
    text-align: center;
  }

  .kc-keroko-message .wp-block-media-text__media img {
    max-height: 150px;
    margin-inline: auto;
  }

  .kc-contact-pattern .wp-block-buttons {
    display: grid;
    grid-template-columns: 1fr;
  }

  .kc-contact-pattern .wp-block-button,
  .kc-contact-pattern .wp-block-button__link {
    width: 100%;
  }

  .kc-mobile-actions {
    position: fixed;
    z-index: 10000;
    right: 0;
    bottom: 0;
    left: 0;
    display: grid;
    grid-template-columns: 42% 58%;
    min-height: 66px;
    box-shadow: 0 -6px 20px rgba(8, 47, 85, 0.16);
  }

  .kc-mobile-actions a {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 8px;
    color: #fff;
    font-size: 14px;
    font-weight: 800;
    line-height: 1.35;
    text-align: center;
    text-decoration: none;
  }

  .kc-mobile-actions__phone {
    background: #69a91d;
  }

  .kc-mobile-actions__form {
    background: var(--kc-orange);
  }

  .ks26-header__inner { width: calc(100% - 28px); min-height: 78px; }
  .ks26-brand { gap: 8px; }
  .ks26-brand img { width: 76px; max-height: 54px; }
  .ks26-brand strong { font-size: 22px; }
  .ks26-brand em { font-size: 8px; }
  .ks26-menu-button { display: grid; width: 52px; height: 52px; place-content: center; gap: 6px; padding: 0; border: 0; border-radius: 10px; background: var(--kc-green-light); }
  .ks26-menu-button > span { display: block; width: 25px; height: 3px; border-radius: 2px; background: var(--kc-navy); }
  .ks26-nav { position: absolute; top: 78px; right: 0; left: 0; display: none; padding: 14px; border-top: 1px solid var(--kc-border); background: #fff; box-shadow: 0 16px 28px rgba(18,61,99,.12); }
  .ks26-nav.is-open { display: grid; }
  .ks26-nav > a { padding: 11px 12px; border-bottom: 1px solid var(--kc-border); }
  .ks26-nav .ks26-phone { display: none; }
  .ks26-nav .ks26-cta { margin-top: 5px; text-align: center; }
  .ks26-footer-cta { width: calc(100% - 28px); gap: 8px; padding: 22px 16px; }
  .ks26-footer-cta > div { display: grid; flex: 1; gap: 10px; }
  .ks26-footer-cta p { font-size: 18px; }
  .ks26-footer-phone { font-size: 24px; }
  .ks26-footer-cta__button { padding: 12px 10px; font-size: 14px; }
  .ks26-footer-cta > img { width: 58px; }
  .ks26-footer { padding-bottom: 82px; }
  .ks26-footer__inner { width: calc(100% - 32px); grid-template-columns: 1fr; gap: 20px; }
  .ks26-footer__brand img { width: 150px; }
  .ks26-footer__nav { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .ks26-page-hero { padding: 46px 0 36px; }
  .ks26-entry,.ks26-article { padding-block: 40px 64px; }
  .ks26-entry__content p,.ks26-entry__content li { font-size: 17px; font-weight: 600; }
  .ks26-post-navigation { grid-template-columns: 1fr; }
  .ks26-post-navigation div:last-child { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  .kousinjuku-2026 *,
  .kousinjuku-2026 *::before,
  .kousinjuku-2026 *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}