/*
 * 認定教室プロフィール（single-search.php）。
 *
 * preview/skytree-classroom/style.css を実装用に写したもの。
 * すべての規則を .main.classroom へ閉じ込め、共通ヘッダー・フッター・
 * 他ページへ影響させない。プレビュー専用の枠（preview-bar、独自ヘッダー、
 * 独自フッター、確認メモ）と、body等のグローバル初期化は持ち込まない。
 * パンくずはテーマ共通の breadcrumb.php を使うため、ここでは扱わない。
 */

/* プレビューの body 指定に相当する土台。共通CSSを上書きせず、この範囲だけへ効かせる */
.main.classroom {
  color: var(--ink);
  background: #fff;
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic Pro", "Yu Gothic", Meiryo, sans-serif;
  font-size: 18px;
  line-height: 2;
  letter-spacing: .055em;
}
.main.classroom * { box-sizing: border-box; }
.main.classroom img { display: block; width: 100%; height: auto; }
/* 共有フッターは対象外に戻す。テーマは </main> を出力しないため
 * （header.php で開くだけ・本番も同じ）、フッターが main の内側に入り
 * 上の規則が漏れて届く。display:block になると #backtop の PAGE TOP が
 * 巨大化する（2026-08-31 前田指摘）。幅と高さは common.css の全体指定と
 * 同じなので、display だけ既定へ戻せば他ページと同じ見え方になる。
 * フッターは全ページ共通の部品なので、この節では触らない。 */
.main.classroom #footer img { display: inline; }
.main.classroom a { color: inherit; }
.main.classroom h1,
.main.classroom h2,
.main.classroom h3,
.main.classroom p { margin-top: 0; }

:root {
  --red: #e8473e;
  --red-dark: #c83a33;
  --ink: #111;
  --soft: #fafafa;
  --line: #d7d4d1;
}
.main.classroom .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
/* 各節の内側の幅。元の preview/skytree-classroom/style.css では
 * `.breadcrumb, .section-inner` の1規則だったが、パンくずをテーマ共通の
 * breadcrumb.php に任せる際、`.breadcrumb` を外すつもりで規則ごと落ちていた。
 * そのため section-inner が幅の制限を失い、全幅で表示されていた
 * （2026-08-31 前田指摘）。値は元のまま。 */
.main.classroom .section-inner {
  width: min(1080px, calc(100% - 80px));
  margin-right: auto;
  margin-left: auto;
}
.main.classroom .hero {
  position: relative;
  width: min(1080px, calc(100% - 80px));
  min-height: 590px;
  margin-right: auto;
  margin-left: auto;
}
.main.classroom .hero-copy {
  position: absolute;
  top: 62px;
  left: 0;
  z-index: 2;
  width: min(470px, 38vw);
}
.main.classroom .hero-classroom-heading {
  padding: 12px 0 38px;
  background: #fff;
}
.main.classroom .classroom-heading-inner {
  display: flex;
  align-items: center;
  gap: 19px;
  width: min(1080px, calc(100% - 80px));
  margin-right: auto;
  margin-left: auto;
  font-family: vdl-v7marugothic, sans-serif;
  font-weight: 800;
  font-style: normal;
}
.main.classroom .hero-classroom-icon { flex: 0 0 47px; width: 47px;
}
.main.classroom .hero-classroom-copy { min-width: 0;
}
.main.classroom .hero-classroom-title {
  margin-bottom: 6px;
  font-size: clamp(39px, 4vw, 54px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: .02em;
}
.main.classroom .hero-classroom-meta { margin-bottom: 0; color: #444; font-size: 17px; font-weight: 800; line-height: 1.65; letter-spacing: .07em;
}
.main.classroom .hero-classroom-meta strong { color: var(--red); font-weight: 800;
}
.main.classroom .hero-classroom-meta span { margin: 0 9px; color: #999;
}
.main.classroom .hero-catch { margin-bottom: 20px;
}
.main.classroom .hero-catch img { width: min(100%, 430px);
}
.main.classroom .hero-copy > p:last-child { font-size: 19px; font-weight: 700;
}
.main.classroom .hero-photo {
  position: absolute;
  top: 0;
  right: 0;
  width: 70.8%;
  height: 590px;
  background: url("../img/home/slide02.jpg") center / cover no-repeat;
  border-radius: 40px 0 0 40px;
}
.main.classroom .hero-photo::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.72) 18%, rgba(255,255,255,0) 47%);
  border-radius: inherit;
}
.main.classroom .class-strip {
  display: flex;
  justify-content: center;
  gap: clamp(45px, 8vw, 125px);
  margin-top: -28px;
  padding: 72px 40px 35px;
  color: #fff;
  background: var(--red);
}
.main.classroom .class-strip div { display: flex; align-items: baseline; gap: 16px;
}
.main.classroom .class-strip span { font-size: 16px;
}
.main.classroom .class-strip strong { font-size: clamp(19px, 1.6vw, 23px);
}
.main.classroom .about { position: relative; isolation: isolate; display: flex; align-items: center; gap: 5%; padding-top: 130px; padding-bottom: 130px;
}
.main.classroom .about::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  z-index: -2;
  width: 100vw;
  content: "";
  background: #f4efe9;
  transform: translateX(-50%);
}
.main.classroom .about::after {
  position: absolute;
  top: 18px;
  right: -100px;
  z-index: -1;
  width: 330px;
  height: 700px;
  content: "";
  background: url("../img/home/read_bg.svg") top right / contain no-repeat;
  opacity: .9;
}
.main.classroom .about-copy { width: 55%;
}
.main.classroom .about-image { position: relative; z-index: 2; width: 40%; margin: 0;
}
.main.classroom .lead-in { margin-bottom: 12px; color: var(--red); font-size: 18px; font-weight: 700;
}
.main.classroom h2 {
  font-family: vdl-v7marugothic, sans-serif;
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 800;
  line-height: 1.45;
  letter-spacing: .04em;
}
.main.classroom .about h2 { margin-bottom: 44px;
}
.main.classroom .long-copy p { margin-bottom: 26px;
}
.main.classroom .from-reading { padding: 74px 0 88px; color: #fff; background: var(--red);
}
.main.classroom .white-lead { margin-bottom: 6px; font-size: 18px; font-weight: 700;
}
.main.classroom .from-reading h2 { margin-bottom: 58px;
}
.main.classroom .word-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 0; padding: 0; list-style: none;
}
.main.classroom .word-flow li { padding: 0 28px; border-left: 1px solid rgba(255,255,255,.65);
}
.main.classroom .word-flow li:first-child { padding-left: 0; border-left: 0;
}
.main.classroom .word-flow li:last-child { padding-right: 0;
}
.main.classroom .word-flow span,
.main.classroom .word-flow strong { display: block;
}
.main.classroom .word-flow span { margin-bottom: 7px; font-size: 16px;
}
.main.classroom .word-flow strong {
  margin-bottom: 12px;
  font-family: vdl-v7marugothic, sans-serif;
  font-size: 22px;
  font-weight: 800;
}
.main.classroom .word-flow p { margin-bottom: 0; font-size: 16px; line-height: 1.9;
}
.main.classroom .learning { position: relative; isolation: isolate; padding-top: 135px; padding-bottom: 135px;
}
.main.classroom .learning::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  z-index: -2;
  width: 100vw;
  content: "";
  background: #fff9f6;
  transform: translateX(-50%);
}
.main.classroom .learning-illust {
  position: absolute;
  top: 70px;
  right: 0;
  width: 175px;
  opacity: .9;
}
.main.classroom .learning-heading { display: flex; justify-content: space-between; align-items: end; margin-bottom: 72px;
}
.main.classroom .learning-heading .lead-in { align-self: start; width: 30%;
}
.main.classroom .learning-heading h2 { width: 62%; margin-right: 16%; margin-bottom: 0;
}
.main.classroom .program-list { border-top: 2px solid #111;
}
.main.classroom .program { display: grid; grid-template-columns: 30% 70%; padding: 50px 0; border-bottom: 1px solid var(--line);
}
.main.classroom .program-name { display: flex; align-items: baseline; gap: 22px;
}
.main.classroom .program-name span { color: var(--red); font-size: 16px; font-weight: 700;
}
.main.classroom .program-name h3 {
  margin-bottom: 0;
  font-family: vdl-v7marugothic, sans-serif;
  font-size: clamp(34px, 3.6vw, 50px);
  font-weight: 800;
  line-height: 1.3;
}
.main.classroom .program-copy { padding-right: 5%;
}
.main.classroom .program-copy > strong {
  display: block;
  margin-bottom: 8px;
  color: var(--red);
  font-family: vdl-v7marugothic, sans-serif;
  font-size: 23px;
  font-weight: 800;
}
.main.classroom .program-copy > p { margin-bottom: 0;
}
.main.classroom .lesson-plan { margin-top: 28px; padding-top: 19px; border-top: 1px solid #111;
}
.main.classroom .lesson-plan-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 20px;
}
.main.classroom .lesson-plan-heading span { color: var(--red); font-weight: 700;
}
.main.classroom .lesson-plan-heading small { color: #555; font-size: 14px;
}
.main.classroom .lesson-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 14px 0 0;
  padding: 0;
  border-top: 1px solid #aaa;
  border-bottom: 1px solid #aaa;
  list-style: none;
}
.main.classroom .lesson-flow li { min-width: 0; padding: 15px 12px 17px; border-left: 1px solid #aaa;
}
.main.classroom .lesson-flow li:first-child { border-left: 0;
}
.main.classroom .lesson-flow span,
.main.classroom .lesson-flow strong,
.main.classroom .lesson-flow small { display: block;
}
.main.classroom .lesson-flow span { margin-bottom: 3px; color: var(--red); font-size: 13px; font-weight: 700;
}
.main.classroom .lesson-flow strong {
  margin-bottom: 3px;
  font-family: vdl-v7marugothic, sans-serif;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.45;
}
.main.classroom .lesson-flow small { color: #555; font-size: 14px;
}
.main.classroom .lesson-homework { margin-top: 16px; padding-left: 15px; border-left: 3px solid var(--red); font-size: 16px;
}
.main.classroom .lesson-homework b { margin-right: 10px; color: var(--red);
}
.main.classroom .content-caution { margin: 32px 0 0; padding-left: 18px; border-left: 3px solid var(--red); font-size: 16px;
}
.main.classroom .class-settings { padding-top: 120px; padding-bottom: 125px;
}
.main.classroom .class-settings h2 { margin-bottom: 24px;
}
.main.classroom .class-table-wrap { margin-top: 40px; overflow-x: auto; border: 2px solid #111;
}
.main.classroom .class-table {
  width: 100%;
  min-width: 790px;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 17px;
  line-height: 1.7;
}
.main.classroom .class-table th,
.main.classroom .class-table td {
  padding: 17px 15px;
  border-right: 1px solid #111;
  border-bottom: 1px solid #111;
  text-align: left;
  vertical-align: top;
}
.main.classroom .class-table tr > :last-child { border-right: 0;
}
.main.classroom .class-table tbody tr:last-child > * { border-bottom: 0;
}
.main.classroom .class-table thead th { color: #fff; background: var(--red);
}
.main.classroom .class-table tbody th { background: #fff9f6;
}
.main.classroom .class-table th:first-child { width: 19%;
}
.main.classroom .class-table th:nth-child(2) { width: 16%;
}
.main.classroom .class-table th:nth-child(3) { width: 27%;
}
.main.classroom .class-table th:nth-child(4) { width: 14%;
}
.main.classroom .class-table th:nth-child(5) { width: 24%;
}
.main.classroom .class-table small { font-size: 14px; line-height: 1.55;
}
.main.classroom .cost-note {
  margin-top: 22px;
  padding: 20px 22px;
  border-top: 1px solid #111;
  border-bottom: 1px solid #111;
  font-weight: 700;
}
.main.classroom .wide-photo {
  min-height: 430px;
  background: url("../img/home/full_contents_img.jpg") center / cover no-repeat;
}
.main.classroom .guide {
  position: relative;
  display: grid;
  grid-template-columns: 38% 62%;
  gap: 8%;
  margin-top: 125px;
  margin-bottom: 125px;
  padding: 78px 70px 70px;
  background: #fff9f6;
  border-radius: 40px;
}
.main.classroom .guide-title { position: relative; padding-top: 65px;
}
.main.classroom .guide-illust {
  position: absolute;
  top: -135px;
  left: 0;
  width: 190px;
}
.main.classroom .guide-title h2 { margin-bottom: 25px; font-size: clamp(35px, 3.5vw, 49px);
}
.main.classroom .direct { color: var(--red); font-weight: 700;
}
.main.classroom .guide-list { margin: 0; border: 2px solid #111; border-bottom: 0;
}
.main.classroom .guide-list > div { display: grid; grid-template-columns: 145px 1fr; border-bottom: 2px solid #111;
}
.main.classroom .guide-list dt,
.main.classroom .guide-list dd { margin: 0; padding: 18px 10px;
}
.main.classroom .guide-list dt { background: rgba(255,255,255,.62); border-right: 1px solid #111; font-weight: 700;
}
.main.classroom .guide-list .fee { color: var(--red); font-size: 30px; font-weight: 700;
}
.main.classroom .personal-tutoring {
  position: relative;
  overflow: hidden;
  padding: 88px 0 92px;
  background: #f4efe9;
}
.main.classroom .tutoring-inner { display: grid; grid-template-columns: 39% 55%; align-items: start; gap: 6%;
}
.main.classroom .tutoring-inner figure { position: sticky; top: 145px; margin: 0;
}
.main.classroom .tutoring-inner figure img { aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 42%; border-radius: 40px 0 40px 0;
}
.main.classroom .tutoring-copy { width: 100%;
}
.main.classroom .tutoring-copy h2 { margin-bottom: 22px; font-size: clamp(34px, 3.5vw, 48px);
}
.main.classroom .tutoring-copy > p:not(.lead-in) { margin-bottom: 26px;
}
.main.classroom .tutoring-fee { margin: 34px 0 38px; border: 2px solid #111; border-bottom: 0;
}
.main.classroom .tutoring-fee > div { display: grid; grid-template-columns: 125px 1fr; border-bottom: 2px solid #111;
}
.main.classroom .tutoring-fee dt,
.main.classroom .tutoring-fee dd { margin: 0; padding: 16px 8px;
}
.main.classroom .tutoring-fee dt { background: rgba(255,255,255,.62); border-right: 1px solid #111; font-weight: 700;
}
.main.classroom .tutoring-fee dd { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap;
}
.main.classroom .tutoring-fee dd strong { color: var(--red); font-size: 24px;
}
.main.classroom .tutoring-fee dd span { font-size: 16px;
}
.main.classroom .tutoring-services { margin: 0 0 30px; padding: 0; list-style: none; border-top: 1px solid #cfcac4;
}
.main.classroom .tutoring-services li { padding: 18px 8px; border-bottom: 1px solid #cfcac4;
}
.main.classroom .tutoring-services strong,
.main.classroom .tutoring-services span { display: block;
}
.main.classroom .tutoring-services strong { margin-bottom: 4px; color: var(--red); font-size: 20px;
}
.main.classroom .support-note { padding-left: 18px; border-left: 3px solid var(--red); font-size: 16px; line-height: 1.9;
}
.main.classroom .tutoring-copy a {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-width: 310px;
  min-height: 66px;
  padding: 9px 54px 9px 28px;
  color: #fff;
  background: var(--red);
  border-radius: 36px;
  font-weight: 700;
  line-height: 1.45;
  text-decoration: none;
}
.main.classroom .tutoring-copy a::after { position: absolute; top: 50%; right: 24px; content: "→"; font-size: 24px; transform: translateY(-50%);
}
.main.classroom .tutoring-copy a span { display: block; font-size: 16px; font-weight: 400;
}
.main.classroom .tutoring-copy a:hover { opacity: .75;
}
.main.classroom .contact { padding: 92px 0; color: #fff; background: var(--red); text-align: center;
}
.main.classroom .contact .section-inner { width: min(780px, calc(100% - 80px));
}
.main.classroom .contact h2 { margin-bottom: 28px;
}
.main.classroom .contact p { margin-bottom: 30px;
}
.main.classroom .contact-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 10px 42px;
  color: var(--red);
  background: #fff;
  border-radius: 32px;
  font-weight: 700;
}
.main.classroom .contact .responsibility { margin: 36px 0 0; padding-top: 28px; border-top: 1px solid rgba(255,255,255,.6); font-size: 16px;
}
.main.classroom footer { padding: 48px 20px; text-align: center;
}
.main.classroom footer img { width: 130px; margin: 0 auto 12px;
}
.main.classroom footer p { margin: 0; font-size: 16px;
}
@media (max-width: 900px) {
  .main.classroom .hero-classroom-heading { padding-bottom: 30px;
  }
  .main.classroom .hero { min-height: 650px;
  }
  .main.classroom .hero-copy { position: relative; top: auto; left: auto; width: auto; padding: 25px 0 45px;
  }
  .main.classroom .hero-photo { top: auto; bottom: 0; width: 94%; height: 390px;
  }
  .main.classroom .hero-photo::after { display: none;
  }
  .main.classroom .class-strip { margin-top: -20px; gap: 25px;
  }
  .main.classroom .class-strip div { display: block;
  }
  .main.classroom .class-strip span,
.main.classroom .class-strip strong { display: block;
  }
  .main.classroom .about { align-items: start;
  }
  .main.classroom .word-flow { grid-template-columns: repeat(2, 1fr); row-gap: 45px;
  }
  .main.classroom .word-flow li:nth-child(3) { padding-left: 0; border-left: 0;
  }
  .main.classroom .learning-heading { display: block;
  }
  .main.classroom .learning-heading .lead-in,
.main.classroom .learning-heading h2 { width: auto;
  }
  .main.classroom .learning-heading h2 { margin-right: 190px;
  }
  .main.classroom .lesson-flow { grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .main.classroom .lesson-flow li:nth-child(odd) { border-left: 0;
  }
  .main.classroom .lesson-flow li:nth-child(n+3) { border-top: 1px solid #aaa;
  }
  .main.classroom .guide { grid-template-columns: 1fr; gap: 45px;
  }
  .main.classroom .tutoring-inner { grid-template-columns: 35% 59%;
  }
}
@media (max-width: 620px) {
  .main.classroom .classroom-heading-inner { width: calc(100% - 40px);
  }
  .main.classroom .hero-classroom-heading { padding-top: 6px; padding-bottom: 24px;
  }
  .main.classroom .hero { width: calc(100% - 40px); min-height: 590px;
  }
  .main.classroom .hero-copy { padding: 22px 0 35px;
  }
  .main.classroom .classroom-heading-inner { align-items: flex-start;
  }
  .main.classroom .hero-classroom-icon { flex-basis: 34px; width: 34px; margin-top: 4px;
  }
  .main.classroom .hero-classroom-title { font-size: 36px;
  }
  .main.classroom .hero-classroom-meta { font-size: 15px;
  }
  .main.classroom .hero-classroom-meta span { margin: 0 5px;
  }
  .main.classroom .hero-catch img { width: 100%; max-width: 360px;
  }
  .main.classroom .hero-photo { height: 330px; border-radius: 28px 0 0 28px;
  }
  .main.classroom .class-strip { display: block; margin-top: -12px; padding: 48px 28px 22px;
  }
  .main.classroom .class-strip div { display: grid; grid-template-columns: 80px 1fr; margin-bottom: 13px;
  }
  .main.classroom .about { display: flex; flex-direction: column; gap: 55px; padding-top: 80px; padding-bottom: 85px;
  }
  .main.classroom .about-copy,
.main.classroom .about-image { width: 100%;
  }
  .main.classroom .about h2 { margin-bottom: 32px;
  }
  .main.classroom .from-reading { padding: 64px 0;
  }
  .main.classroom .from-reading h2 { margin-bottom: 42px;
  }
  .main.classroom .word-flow { grid-template-columns: 1fr; row-gap: 0;
  }
  .main.classroom .word-flow li,
.main.classroom .word-flow li:nth-child(3) { padding: 27px 0; border-left: 0; border-top: 1px solid rgba(255,255,255,.65);
  }
  .main.classroom .word-flow li:first-child { border-top: 0;
  }
  .main.classroom .learning { padding-top: 82px; padding-bottom: 85px;
  }
  .main.classroom .learning-illust { top: 50px; right: -35px; width: 125px; opacity: .5;
  }
  .main.classroom .learning-heading { margin-bottom: 45px;
  }
  .main.classroom .learning-heading h2 { position: relative; z-index: 1; margin-right: 45px;
  }
  .main.classroom .program { grid-template-columns: 1fr; gap: 20px; padding: 38px 0;
  }
  .main.classroom .program-name { gap: 18px;
  }
  .main.classroom .program-copy { padding-right: 0;
  }
  .main.classroom .lesson-plan-heading { display: block;
  }
  .main.classroom .lesson-plan-heading small { display: block; margin-top: 3px;
  }
  .main.classroom .lesson-flow { grid-template-columns: 1fr;
  }
  .main.classroom .lesson-flow li,
.main.classroom .lesson-flow li:nth-child(odd) { border-left: 0; border-top: 1px solid #aaa;
  }
  .main.classroom .lesson-flow li:first-child { border-top: 0;
  }
  .main.classroom .class-settings { padding-top: 80px; padding-bottom: 85px;
  }
  .main.classroom .class-table-wrap { margin-right: -20px;
  }
  .main.classroom .class-table { font-size: 16px;
  }
  .main.classroom .wide-photo { min-height: 240px;
  }
  .main.classroom .guide { width: calc(100% - 40px); margin-top: 115px; margin-bottom: 80px; padding: 75px 22px 55px; border-radius: 25px;
  }
  .main.classroom .guide-title { padding-top: 35px;
  }
  .main.classroom .guide-illust { top: -150px; width: 175px;
  }
  .main.classroom .guide-list > div { grid-template-columns: 100px 1fr;
  }
  .main.classroom .guide-list dt,
.main.classroom .guide-list dd { padding: 15px 6px;
  }
  .main.classroom .personal-tutoring { padding: 70px 0 75px;
  }
  .main.classroom .tutoring-inner { display: block;
  }
  .main.classroom .tutoring-inner figure { position: static; width: 78%; margin: 0 auto 38px;
  }
  .main.classroom .tutoring-copy { width: 100%;
  }
  .main.classroom .tutoring-fee > div { grid-template-columns: 95px 1fr;
  }
  .main.classroom .tutoring-fee dt,
.main.classroom .tutoring-fee dd { padding-right: 4px; padding-left: 4px;
  }
  .main.classroom .tutoring-copy a { width: 100%; min-width: 0;
  }
  .main.classroom .contact { padding: 72px 0;
  }
  .main.classroom .section-inner { width: calc(100% - 40px);
  }
  .main.classroom .contact .section-inner { width: calc(100% - 40px);
  }
  .main.classroom .contact-button { width: 100%; padding: 10px 18px;
  }
}