:root {
  --lp-blue: #1a237e;
  --lp-blue-soft: #eef3ff;
  --lp-red: #c73e3a;
  --lp-gold: #d4a853;
  --lp-green: #0f8f5f;
  --lp-ink: #20263a;
  --lp-muted: #5b6377;
  --lp-paper: #fffaf0;
  --lp-line: rgba(26, 35, 126, .14);
}
body { letter-spacing: 0; background: #ffffff; }
.announce-bar { background: #1a237e; border-bottom-color: #d4a853; }
.announce-cta { color: #172056; }
.lp-announce-note { display: inline-block; color: rgba(255,255,255,.9); font-weight: 700; }
.nav .active { color: var(--vr); }
.lp-hero {
  position: relative;
  min-height: 560px;
  min-height: min(560px, 78svh);
  display: grid;
  align-items: center;
  color: #fff;
  overflow: hidden;
  background: #111827;
}
.lp-hero.page-hero {
  padding: 0;
  text-align: left;
}
.lp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  /* ヒーロー画像はページ側で --hero-img を指定（例: --hero-img: url("hero-engine.webp")） */
  background-image: linear-gradient(90deg, rgba(8, 13, 37, .28) 0%, rgba(12, 18, 46, .12) 44%, rgba(12, 18, 46, .02) 76%), var(--hero-img, none);
  background-size: cover;
  background-position: center;
  filter: brightness(1.12) saturate(1.03);
}
.lp-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 120px;
  background: linear-gradient(0deg, #fff 0%, rgba(255,255,255,0) 100%);
}
.lp-hero-in {
  position: relative;
  z-index: 2;
  max-width: 1180px;
  width: 100%;
  margin: 0 auto;
  padding: 3.2rem 1.5rem 4.2rem;
}
.lp-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: .3rem .8rem;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 999px;
  background: rgba(255,255,255,.12);
  color: rgba(255,255,255,.95);
  font-size: .86rem;
  font-weight: 800;
  letter-spacing: 0;
}
.lp-hero h1 {
  max-width: 700px;
  margin: .95rem 0 .75rem;
  font-family: var(--fh);
  font-size: 3rem;
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: 0;
  text-shadow: 0 2px 10px rgba(0,0,0,.8), 0 1px 3px rgba(0,0,0,.65);
}
.lp-hero h1 .accent { color: #ffe08a; }
.lp-lead {
  max-width: 650px;
  margin: 0;
  font-size: 1rem;
  line-height: 1.86;
  color: rgba(255,255,255,.96);
  text-shadow: 0 0 3px rgba(0,0,0,.92), 0 1px 4px rgba(0,0,0,.9), 0 2px 14px rgba(0,0,0,.6);
}
.lp-hero.page-hero .lp-lead {
  max-width: 650px;
  margin: 0;
  font-size: 1rem;
}
.lp-hero.page-hero .lp-hero-trust {
  max-width: none;
  margin: .75rem 0 0;
  font-size: .84rem;
}
.lp-proof-row {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin: 1.1rem 0 1.25rem;
}
.lp-proof {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: .4rem .8rem;
  border-radius: 8px;
  background: rgba(255,255,255,.92);
  color: #172056;
  font-weight: 800;
  font-size: .9rem;
  box-shadow: 0 8px 24px rgba(0,0,0,.16);
}
.lp-cta-row { display: flex; gap: .8rem; flex-wrap: wrap; align-items: center; }
.lp-hero .btn { min-height: 48px; }
.lp-hero-trust {
  margin-top: .75rem;
  color: rgba(255,255,255,.9);
  font-size: .84rem;
}
.lp-section { padding: 4.7rem 1.5rem; }
.lp-band-blue { background: linear-gradient(180deg, #f4f7ff 0%, #fff 100%); }
.lp-band-paper { background: linear-gradient(180deg, #fffaf0 0%, #fff 86%); }
.lp-container { max-width: 1040px; margin: 0 auto; }
.lp-narrow { max-width: 760px; margin: 0 auto; }
.lp-eyebrow {
  margin-bottom: .55rem;
  color: var(--lp-red);
  font-weight: 900;
  font-size: .78rem;
  text-align: center;
  letter-spacing: 0;
}
.lp-title {
  margin: 0 auto 1rem;
  color: var(--lp-blue);
  font-family: var(--fh);
  font-size: 2rem;
  line-height: 1.45;
  text-align: center;
  letter-spacing: 0;
}
.lp-desc {
  max-width: 720px;
  margin: 0 auto 2rem;
  color: var(--lp-muted);
  font-size: .97rem;
  line-height: 2;
  text-align: center;
}
.lp-entry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .85rem;
}
.lp-entry {
  min-height: 148px;
  padding: 1.1rem;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--lp-line);
  box-shadow: 0 10px 28px rgba(26,35,126,.07);
}
.lp-entry strong {
  display: block;
  color: var(--lp-blue);
  font-size: 1rem;
  line-height: 1.55;
  margin-bottom: .45rem;
}
.lp-entry span {
  display: block;
  color: var(--lp-muted);
  font-size: .88rem;
  line-height: 1.75;
}
.lp-split {
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: 2rem;
  align-items: center;
}
.lp-media {
  border-radius: 8px;
  overflow: hidden;
  background: #eef3ff;
  border: 1px solid rgba(26,35,126,.12);
  box-shadow: 0 18px 42px rgba(26,35,126,.12);
}
.lp-media img { width: 100%; height: auto; display: block; }
.lp-copy h2 {
  margin: 0 0 1rem;
  color: var(--lp-blue);
  font-family: var(--fh);
  font-size: 1.85rem;
  line-height: 1.5;
  letter-spacing: 0;
}
.lp-copy p {
  color: var(--lp-muted);
  font-size: .98rem;
  line-height: 2;
}
.lp-copy p + p { margin-top: .9rem; }
.lp-list { display: grid; gap: .7rem; margin-top: 1.2rem; }
.lp-list-item {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: .75rem;
  align-items: start;
}
.lp-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--lp-blue);
  color: #fff;
  font-family: var(--fn);
  font-weight: 900;
}
.lp-list-item strong { display: block; color: var(--lp-ink); line-height: 1.55; }
.lp-list-item span { display: block; color: var(--lp-muted); font-size: .9rem; line-height: 1.8; }
.lp-analogy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .8rem;
  margin: 1.25rem 0 1.35rem;
}
.lp-analogy {
  min-height: 156px;
  padding: 1rem .95rem;
  border-radius: 8px;
  background: #fff;
  border: 1px solid rgba(26,35,126,.12);
  box-shadow: 0 10px 24px rgba(26,35,126,.07);
}
.lp-analogy em {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: .15rem .48rem;
  border-radius: 6px;
  background: #fff1d3;
  color: #846016;
  font-style: normal;
  font-weight: 900;
  font-size: .74rem;
  line-height: 1.35;
}
.lp-analogy strong {
  display: block;
  margin: .65rem 0 .35rem;
  color: var(--lp-blue);
  font-size: .96rem;
  line-height: 1.5;
}
.lp-analogy span {
  display: block;
  color: var(--lp-muted);
  font-size: .83rem;
  line-height: 1.72;
}
.lp-concept-note {
  margin-top: 1rem;
  padding: 1.05rem 1.15rem;
  border-radius: 8px;
  background: #f4f7ff;
  border-left: 5px solid var(--lp-red);
  color: var(--lp-ink);
  font-weight: 800;
  line-height: 1.85;
}
.lp-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  align-items: stretch;
}
.lp-compare-col {
  border-radius: 8px;
  padding: 1.35rem;
  background: #fff;
  border: 1px solid var(--lp-line);
}
.lp-compare-col.is-hero {
  border: 2px solid rgba(199,62,58,.35);
  box-shadow: 0 14px 36px rgba(199,62,58,.1);
}
.lp-compare-col h3 {
  margin: 0 0 .85rem;
  font-size: 1.08rem;
  color: var(--lp-blue);
  letter-spacing: 0;
}
.lp-compare-col.is-hero h3 { color: var(--lp-red); }
.lp-compare-col ul { list-style: none; display: grid; gap: .65rem; }
.lp-compare-col li {
  color: var(--lp-muted);
  font-size: .94rem;
  line-height: 1.8;
  padding-left: 1.1rem;
  position: relative;
}
.lp-compare-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lp-gold);
}
.lp-day {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .85rem;
  margin-top: 1.7rem;
}
.lp-step {
  min-height: 190px;
  padding: 1.15rem;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--lp-line);
}
.lp-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: .8rem;
  border-radius: 8px;
  background: #fff1d3;
  color: #846016;
  font-family: var(--fn);
  font-weight: 900;
}
.lp-step h3 { color: var(--lp-blue); font-size: 1rem; line-height: 1.55; margin-bottom: .4rem; }
.lp-step p { color: var(--lp-muted); font-size: .88rem; line-height: 1.78; }
.lp-price-wrap {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 1.4rem;
  align-items: center;
}
.lp-price-panel {
  border-radius: 8px;
  padding: 1.45rem;
  background: #fff;
  border: 1px solid rgba(199,62,58,.22);
  box-shadow: 0 14px 34px rgba(26,35,126,.08);
}
.lp-price-main {
  display: flex;
  align-items: baseline;
  gap: .35rem;
  color: var(--lp-red);
  font-family: var(--fn);
  font-weight: 900;
  line-height: 1;
  margin: .5rem 0 .55rem;
}
.lp-price-main strong { font-size: 2.7rem; letter-spacing: 0; }
.lp-price-main span { color: var(--lp-red); font-size: 1.05rem; font-weight: 900; }
.lp-price-panel p { color: var(--lp-muted); line-height: 1.9; font-size: .94rem; }
.lp-price-points {
  display: grid;
  gap: .55rem;
  margin-top: 1rem;
}
.lp-price-point {
  display: flex;
  align-items: center;
  min-height: 38px;
  padding: .45rem .65rem;
  border-radius: 8px;
  background: #f4f7ff;
  color: var(--lp-ink);
  font-weight: 800;
  font-size: .9rem;
}
.lp-voice {
  padding: 1.35rem;
  border-radius: 8px;
  background: #fff;
  border-left: 5px solid var(--lp-red);
  box-shadow: 0 12px 30px rgba(26,35,126,.08);
}
.lp-voice p {
  color: var(--lp-ink);
  font-size: .98rem;
  line-height: 2;
}
.lp-voice small {
  display: block;
  margin-top: .8rem;
  color: var(--lp-muted);
  line-height: 1.7;
}
.lp-final {
  position: relative;
  overflow: hidden;
  padding: 5rem 1.5rem;
  color: #fff;
  background: #10183c;
}
.lp-final::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(10,16,45,.9), rgba(10,16,45,.76)), url("hero-contact.webp");
  background-size: cover;
  background-position: center;
}
.lp-final .lp-container { position: relative; z-index: 2; }
.lp-final h2 {
  max-width: 740px;
  margin: 0 auto 1rem;
  text-align: center;
  font-family: var(--fh);
  font-size: 2.05rem;
  line-height: 1.5;
  letter-spacing: 0;
}
.lp-final p {
  max-width: 720px;
  margin: 0 auto 1.7rem;
  color: rgba(255,255,255,.9);
  text-align: center;
  line-height: 2;
}
.lp-final .cg { margin-top: .8rem; }
.lp-phone-note {
  display: block;
  margin-top: 1rem;
  color: rgba(255,255,255,.88);
  text-align: center;
  font-size: .88rem;
}
@media (max-width: 900px) {
  .lp-entry-grid,
  .lp-analogy-grid,
  .lp-day { grid-template-columns: repeat(2, 1fr); }
  .lp-split,
  .lp-price-wrap { grid-template-columns: 1fr; }
  .lp-copy h2 { font-size: 1.65rem; }
}
@media (max-width: 720px) {
  .announce-msg { width: 100%; text-align: center; }
  .lp-hero { min-height: 600px; }
  .lp-hero::before {
    background-image: linear-gradient(180deg, rgba(9,14,38,.30) 0%, rgba(9,14,38,.40) 58%, rgba(9,14,38,.55) 100%), var(--hero-img-mobile, var(--hero-img, none));
    background-position: center center;
    filter: brightness(1.15) saturate(1.04);
  }
  .lp-hero-in { padding: 2rem 1.15rem 2.4rem; }
  .lp-kicker { min-height: 30px; font-size: .72rem; padding: .25rem .6rem; }
  .lp-hero h1 { font-size: 1.92rem; line-height: 1.32; margin: .75rem 0 .55rem; }
  .lp-lead { font-size: .9rem; line-height: 1.68; }
  .lp-lead-detail { display: none; }
  .lp-hero.page-hero { text-align: left; }
  .lp-hero.page-hero .lp-lead { font-size: .9rem; }
  .lp-proof-row { display: grid; grid-template-columns: 1fr 1fr; gap: .45rem; margin: .8rem 0 .9rem; }
  .lp-proof { width: auto; min-height: 34px; justify-content: center; padding: .35rem .42rem; font-size: .74rem; line-height: 1.35; text-align: center; }
  .lp-cta-row { display: grid; grid-template-columns: 1fr 1fr; gap: .55rem; }
  .lp-cta-row .btn { width: 100%; min-height: 46px; padding: .7rem .75rem; font-size: .86rem; }
  .lp-cta-row .btn:first-child { grid-column: 1 / -1; }
  .lp-hero.page-hero .lp-hero-trust { display: none; }
  .lp-section { padding: 3.4rem 1.1rem; }
  .lp-title { font-size: 1.55rem; line-height: 1.55; }
  .lp-entry-grid,
  .lp-analogy-grid,
  .lp-day,
  .lp-compare { grid-template-columns: 1fr; }
  .lp-media { order: -1; }
  .lp-price-main strong { font-size: 2.3rem; }
  .lp-final h2 { font-size: 1.55rem; }
}

/* ===== 統一感CSS：移植したv6セクション(sec/ctn)を v7(lp-*) の見た目に揃える（2026-06-17・デザインのみ・文章/構成は不変） ===== */
.sec { padding: 4.4rem 1.5rem; }
.sec > .ctn { max-width: 1040px; margin: 0 auto; }
.sec > .ctn-w { max-width: 1120px; margin: 0 auto; }
/* 小見出し（eyebrow）を lp-eyebrow に統一：朱・極太・同サイズ */
.sec .sub-eyebrow { color: var(--lp-red); font-weight: 900; font-size: .78rem; letter-spacing: .02em; margin-bottom: .55rem; }
/* セクション見出し（st）を lp-title に統一：明朝・紺・同サイズ */
.sec .st { color: var(--lp-blue); font-family: var(--fh); font-size: 2rem; line-height: 1.45; letter-spacing: 0; }
/* 説明文（sld）を lp-desc に統一：同色・同行間 */
.sec .sld { color: var(--lp-muted); font-size: .98rem; line-height: 2; }
/* カード類を lp カードの角丸8px・細枠・やわらかい紺影に統一 */
.inv-card { border-radius: 8px; border: 1px solid var(--lp-line); box-shadow: 0 10px 28px rgba(26,35,126,.07); }
.pill-preview, .mini-ep { border-radius: 8px; border: 1px solid var(--lp-line); box-shadow: 0 10px 24px rgba(26,35,126,.06); }
@media (max-width: 720px) {
  .sec { padding: 3.4rem 1.1rem; }
  .sec .st { font-size: 1.55rem; line-height: 1.55; }
}

/* ===== 比喩節 統一版：中央寄せ＋4ブロックをイラスト化（2026-06-17・Codexイラスト反映） ===== */
.lp-why-narrow { max-width: 760px; margin: 0 auto 1.8rem; }
.lp-why-narrow p { color: var(--lp-muted); font-size: .98rem; line-height: 2; text-align: left; }
.lp-why-narrow p + p { margin-top: .9rem; }
.lp-concept-center { max-width: 760px; margin-left: auto; margin-right: auto; text-align: center; }
.lp-analogy-grid { grid-template-columns: repeat(4, 1fr); }
.lp-analogy { min-height: 0; text-align: center; }
.lp-analogy-fig {
  aspect-ratio: 4 / 3; width: 100%; margin-bottom: .75rem;
  border-radius: 8px; overflow: hidden;
  background: linear-gradient(135deg, #eef3ff 0%, #fff7e9 100%);
  border: 1px solid var(--lp-line);
  display: grid; place-items: center; text-align: center;
}
.lp-analogy-fig img { width: 100%; height: 100%; object-fit: cover; display: block; }
.lp-analogy-fig .ph-emoji { font-size: 2.2rem; line-height: 1; }
.lp-analogy-fig .ph-label { display: block; margin-top: .35rem; font-size: .64rem; font-weight: 700; color: var(--lp-muted); letter-spacing: .04em; }
@media (max-width: 900px) { .lp-analogy-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .lp-analogy-grid { grid-template-columns: 1fr; } }
/* 料金パネル：中央寄せ版 */
.lp-price-center { max-width: 620px; margin: 0 auto; text-align: center; }
.lp-price-center .lp-price-main { justify-content: center; }
.lp-price-center .lp-price-points { max-width: 440px; margin-left: auto; margin-right: auto; }

/* ===== サブページ共通ユーティリティ（2026-06-17・全ページ統一用） ===== */
/* 記事本文（中央・読みやすい段落） */
.lp-prose { max-width: 760px; margin: 0 auto; }
.lp-prose > p { color: var(--lp-ink); font-size: 1rem; line-height: 1.95; margin-bottom: 1.15rem; }
.lp-prose p strong { color: var(--lp-blue); font-weight: 700; }
.lp-prose ul { margin: 1rem auto 1.5rem; padding-left: 1.4rem; max-width: 720px; }
.lp-prose li { color: var(--lp-ink); font-size: 1rem; line-height: 1.95; margin-bottom: .55rem; }
.lp-prose ol.refs { font-size: .86rem; line-height: 1.9; color: var(--lp-muted); padding-left: 1.4rem; }
.lp-prose ol.refs li { font-size: .86rem; color: var(--lp-muted); margin-bottom: .6rem; }
.lp-lead-quote { max-width: 720px; margin: 0 auto 1.6rem; padding: 1.2rem 1.4rem; background: #f4f7ff; border-left: 4px solid var(--lp-blue); border-radius: 0 8px 8px 0; color: var(--lp-ink); font-size: 1.02rem; line-height: 1.9; }
/* 3列・2列カードグリッド */
.lp-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin: 1.5rem 0; }
.lp-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin: 1.5rem 0; }
@media (max-width: 760px) { .lp-grid-3, .lp-grid-2 { grid-template-columns: 1fr; } }
/* 汎用カード */
.lp-card { background: #fff; border: 1px solid var(--lp-line); border-radius: 8px; padding: 1.35rem 1.3rem; box-shadow: 0 10px 28px rgba(26,35,126,.07); text-align: left; }
.lp-card .num { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 8px; background: var(--lp-blue); color: #fff; font-family: var(--fn); font-weight: 900; margin-bottom: .6rem; }
.lp-card h3 { color: var(--lp-blue); font-size: 1.02rem; line-height: 1.5; margin-bottom: .5rem; }
.lp-card h4 { color: var(--lp-blue); font-size: .98rem; margin-bottom: .35rem; }
.lp-card p { color: var(--lp-muted); font-size: .92rem; line-height: 1.85; }
.lp-card p strong, .lp-card h3 + p strong { color: var(--lp-blue); }
.lp-card.is-accent { border-left: 4px solid var(--lp-gold); }
/* 中央寄せの見出し補助 */
.lp-section .student-img-wrap { text-align: center; }