/* #全体方針
   - ビューポート高さを使う箇所は全て svh を採用（スマホ基準）。
   - 横向き時のみ orientation: landscape で最小限の圧縮を行う。
   - セクション毎に役割をコメントで明示。
   - プレミアム感のある配色とアニメーションを採用。 */

/* #フォント: Noto Serif JP を自己ホスト（Regular/Bold） */
@font-face {
  font-family: "Noto Serif JP";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: local("Noto Serif JP Regular"),
    url("../assets/fonts/noto-serif-jp-400.ttf") format("truetype");
}

@font-face {
  font-family: "Noto Serif JP";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: local("Noto Serif JP Bold"),
    url("../assets/fonts/noto-serif-jp-700.ttf") format("truetype");
}

/* #全体のカラー・フォント定義 */
:root {
  --bg: #fdfdfd;
  --text: #1a202c;
  --muted: #4a5568;
  --accent: #0f4c68;
  --accent-light: #e6f0f5;
  --gold: #c5a059;
  --border: #e2e8f0;
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --font-main: "Noto Serif JP", "Hiragino Mincho ProN", serif;
  --font-sans: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", sans-serif;
}

/* #リセット: ボックスサイズを統一 */
* {
  box-sizing: border-box;
}

/* #共通: ベース */
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-family: var(--font-main);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  /* 横スクロール防止 */
}

/* #共通: リンク */
a {
  color: inherit;
  text-decoration: none;
  transition: 0.3s ease;
}

/* #共通: アクセシビリティ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* #共通: ページ幅 */
.page {
  max-width: 640px;
  margin: 0 auto;
  background: #fff;
  /* overflow-x: hidden; 削除: bodyに移動 */
}

.page--lp-a {
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.05);
}

/* #アニメーション用ユーティリティ */
.fade-up,
.slide-in,
.scale-in {
  opacity: 0;
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.fade-up {
  transform: translateY(30px);
}

.slide-in {
  transform: translateX(-20px);
}

.scale-in {
  transform: scale(0.9);
}

.is-visible {
  opacity: 1;
  transform: none;
}

/* #LP-A ヒーロー（黒背景・2行テキスト）：全面帯＋中央コピー */
.lp-hero {
  min-height: 100svh;
  padding: clamp(6svh, 10svh, 12svh) 20px;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 50% 30%, #1a202c 0%, #000 100%);
  color: #fff;
  text-align: center;
  position: relative;
  /* overflow: hidden; 削除: スクロールバー重複回避 */
}

/* ヒーロー背景の装飾（パーティクル風） */
.lp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(#ffffff 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.1;
  mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
  pointer-events: none;
}

.lp-hero__content {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 24px;
  justify-items: center;
}

.lp-hero__heading {
  margin: 0;
  display: grid;
  gap: 12px;
  transform: scaleY(1.5);
  transform-origin: center;
  transform: scaleY(1.5);
  transform-origin: center;
}

.lp-hero__title {
  margin: 0;
  transform: scaleY(1.5);
  transform-origin: center;
}

.text-tall {
  display: block;
  font-size: clamp(15px, 5vw, 32px);
  line-height: 1.4;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.text-highlight {
  color: var(--gold);
  /* 少し大きくして強調 */
  font-size: 1.1em;
}

/* ヒーローアニメーション */
.hero-animate .hero-line {
  opacity: 0;
  transform: translateY(20px);
  animation: heroFadeUp 1s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.hero-animate .hero-line--1 {
  animation-delay: 0.3s;
}

.hero-animate .hero-line--2 {
  animation-delay: 1s;
}

@keyframes heroFadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* #LP-A ヒーロー下のスクロール促し */
.scroll-down {
  display: grid;
  justify-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  animation: scrollPulse 2s ease-in-out infinite;
  position: absolute;
  bottom: 5svh;
  left: 0;
  width: 100%;
  z-index: 10;
}

.scroll-down__text {
  font-family: var(--font-sans);
  font-weight: 500;
}

.scroll-down__icon {
  font-size: 1.2rem;
}

@keyframes scrollPulse {
  0% {
    transform: translateY(0);
    opacity: 0.5;
  }

  50% {
    transform: translateY(6px);
    opacity: 1;
  }

  100% {
    transform: translateY(0);
    opacity: 0.5;
  }
}

/* #LP-A イントロ：写真＋丸ラベル3つ */
.intro-feature {
  position: relative;
  background: url("../assets/images/lp-a/hero-feature.webp") center center / cover no-repeat;
  min-height: clamp(500px, 120vw, 800px);
  display: grid;
  align-items: end;
  padding: clamp(80px, 20vw, 140px) 20px clamp(40px, 10vw, 80px);
  isolation: isolate;
}

/* 背景を少し暗くして文字を読みやすく */
.intro-feature::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.2) 50%, rgba(0, 0, 0, 0.6) 100%);
  z-index: -1;
}

.intro-pill-row {
  display: flex;
  gap: clamp(4px, 2vw, 16px);
  flex-wrap: nowrap;
  justify-content: center;
  margin-bottom: 32px;
}

.intro-pill {
  display: inline-flex;
  width: clamp(80px, 26vw, 140px);
  height: clamp(80px, 26vw, 140px);
  padding: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 1);
  font-weight: 700;
  color: var(--accent);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  align-items: center;
  justify-content: center;
  text-align: center;
  line-height: 1.4;
  font-size: clamp(10px, 3.5vw, 14px);
}

.intro-center-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-align: center;
  font-weight: 700;
  font-size: clamp(26px, 7vw, 36px);
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  pointer-events: none;
  line-height: 1.5;
  gap: 0;
}

.intro-center-text p {
  margin: 0;
}

.intro-top-copy {
  position: absolute;
  top: clamp(40px, 10vw, 80px);
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  text-align: center;
  color: #fff;
  font-weight: 700;
  font-size: clamp(16px, 4vw, 20px);
  line-height: 1.6;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  pointer-events: none;
  letter-spacing: 0.05em;
}

.intro-highlight {
  color: var(--gold);
  font-size: 1.3em;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
}

/* #LP-A CTA（今すぐ登録ボタン） */
.cta-wide {
  padding: 40px 20px;
  background: #fff;
  display: grid;
  place-items: center;
  gap: 16px;
}

.cta-wide__text {
  margin: 0;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.cta-wide__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 18px 48px;
  border-radius: 999px;
  background: linear-gradient(135deg, #b00000 0%, #8a0000 100%);
  color: #fff;
  font-weight: 700;
  font-size: clamp(20px, 5vw, 24px);
  letter-spacing: 0.08em;
  box-shadow: 0 10px 20px rgba(176, 0, 0, 0.3);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}

.cta-wide__button::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.2), transparent);
  transform: translateX(-100%);
  transition: transform 0.5s;
}

.cta-wide__button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(176, 0, 0, 0.4);
}

.cta-wide__button:hover::after {
  transform: translateX(100%);
}

/* #LP-A バナー（3つのポイント見出し） */
.point-banner {
  padding: 40px 20px;
  background: var(--accent);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.point-banner::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
  animation: rotate 20s linear infinite;
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.point-banner__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: auto auto;
  gap: 20px;
  align-items: center;
  justify-content: center;
  max-width: 400px;
  margin: 0 auto;
}

.point-badge {
  width: clamp(70px, 18vw, 90px);
  height: clamp(70px, 18vw, 90px);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  display: grid;
  place-items: center;
  font-size: clamp(32px, 9vw, 48px);
  font-weight: 700;
  color: var(--gold);
  font-family: var(--font-sans);
}

.point-text {
  display: grid;
  gap: 4px;
}

.point-eyebrow {
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.1em;
  opacity: 0.9;
  font-size: 0.9rem;
}

.point-title {
  margin: 0;
  font-size: clamp(24px, 6vw, 30px);
  font-weight: 700;
  letter-spacing: 0.05em;
}

/* #LP-A ポイント詳細共通 */
.point-detail {
  padding: 60px 20px;
  background: #f8fbff;
  display: grid;
  gap: 32px;
  justify-items: center;
}

.point-detail--simple {
  background: #fff;
}

.point-detail--highlight {
  background: #f0f7fa;
}

.point-detail__badge {
  display: grid;
  place-items: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 24px;
  box-shadow: 0 4px 12px rgba(15, 76, 104, 0.3);
  font-family: var(--font-sans);
}

.point-detail__head {
  text-align: center;
  display: grid;
  gap: 12px;
  justify-items: center;
  max-width: 500px;
}

.point-detail__eyebrow {
  margin: 0;
  color: var(--accent);
  letter-spacing: 0.1em;
  font-weight: 700;
  font-size: 0.9rem;
  position: relative;
  display: inline-block;
}

.point-detail__eyebrow::after {
  content: "";
  display: block;
  width: 40px;
  height: 2px;
  background: var(--gold);
  margin: 8px auto 0;
}

.point-detail h2 {
  margin: 0;
  font-size: clamp(24px, 6vw, 32px);
  line-height: 1.4;
  color: var(--text);
}

/* アドバイザーリスト */
.advisor-list {
  display: grid;
  gap: 20px;
  width: 100%;
  max-width: 500px;
}

.advisor-item {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: center;
}

.advisor-card {
  width: 100%;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s, box-shadow 0.3s;
}

.advisor-item:hover .advisor-card {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.advisor-photo {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid #fff;
  box-shadow: var(--shadow-md);
  z-index: 2;
}

.advisor-body {
  display: grid;
  gap: 8px;
  text-align: left;
}

.advisor-name {
  margin: 0;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent);
}

.advisor-card ul {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.95rem;
}

/* #LP-A ポイント2 書類・面接対策 */
#point2 {
  padding-bottom: 0;
}

#point2-detail {
  padding-top: 20px;
}

.resume-box {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  max-width: 500px;
}

.resume-box img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform 0.5s;
}

.resume-box:hover img {
  transform: scale(1.05);
}

.resume-notes {
  position: absolute;
  inset: 0;
  display: grid;
  gap: 12px;
  align-content: end;
  padding: 20px 20px 40px;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.6) 60%, rgba(0, 0, 0, 0.8) 100%);
}

.resume-label {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.5);
  color: rgba(0, 0, 0, 0.6);
  padding: 6px 14px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.85rem;
  z-index: 2;
  letter-spacing: 0.05em;
  backdrop-filter: blur(2px);
}

.note-item {
  background: rgba(255, 255, 255, 0.95);
  border-left: 4px solid var(--gold);
  border-radius: 4px;
  padding: 12px 16px;
  font-weight: 700;
  line-height: 1.5;
  box-shadow: var(--shadow-md);
  font-size: 0.95rem;
}

/* #LP-A ポイント3 内定実績 */
.offer-box {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  max-width: 500px;
}

.offer-box img {
  display: block;
  width: 100%;
  height: auto;
}

.offer-text {
  max-width: 500px;
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--muted);
  text-align: left;
}

.offer-text p {
  margin-bottom: 1em;
}

.offer-highlight {
  font-weight: 700;
  background: linear-gradient(transparent 60%, rgba(197, 160, 89, 0.4) 60%);
  color: var(--text);
}

/* #LP-A セクション10-11 合算バナー */
.result-banner {
  padding: 40px 20px;
  background: #fff;
  border: 2px solid var(--accent);
  border-radius: 20px;
  margin: 20px 20px 0;
  box-shadow: var(--shadow-lg);
  text-align: center;
  position: relative;
}

.result-banner::after {
  content: "RESULTS";
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  padding: 4px 16px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: 99px;
}

.result-banner p {
  margin: 0;
  font-size: clamp(20px, 5vw, 26px);
  font-weight: 700;
  line-height: 1.5;
}

.result-strong {
  color: #b00000;
  background: linear-gradient(transparent 70%, rgba(176, 0, 0, 0.1) 70%);
}

.result-note {
  font-size: 0.8em;
  color: var(--muted);
}

/* #LP-A 満足の声 */
.voice-section {
  padding: 60px 20px;
  background: #fff;
  display: grid;
  gap: 40px;
}

.voice-header {
  display: grid;
  gap: 16px;
  justify-items: center;
  text-align: center;
}

.voice-ribbon {
  display: inline-flex;
  padding: 8px 20px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  border-radius: 999px;
  letter-spacing: 0.1em;
  font-size: 0.8rem;
}

.voice-header h3 {
  margin: 0;
  font-size: clamp(22px, 6vw, 28px);
  color: var(--text);
  line-height: 1.4;
}

.voice-grid {
  display: grid;
  gap: 24px;
  max-width: 600px;
  margin: 0 auto;
}

.voice-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fff;
  box-shadow: var(--shadow-sm);
  padding: 24px;
  display: grid;
  gap: 16px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.voice-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.voice-quote {
  margin: 0;
  line-height: 1.8;
  font-weight: 500;
  color: var(--text);
  font-style: italic;
}

.voice-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: right;
  font-weight: 700;
}

/* #LP-A Q&A */
.qa-section {
  padding: 60px 20px;
  background: #f8fbff;
  display: grid;
  gap: 20px;
}

.qa-item {
  border: 1px solid #fff;
  border-radius: 16px;
  background: #fff;
  box-shadow: var(--shadow-sm);
  padding: 20px;
  display: grid;
  gap: 12px;
  transition: box-shadow 0.3s;
}

.qa-item:hover {
  box-shadow: var(--shadow-md);
}

.qa-question {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  color: var(--accent);
  font-weight: 700;
  font-size: 1.05rem;
}

.qa-label {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.9rem;
  font-family: var(--font-sans);
  margin-top: 2px;
}

.qa-answer {
  color: var(--muted);
  line-height: 1.7;
  padding-left: 44px;
}

.qa-strong {
  color: #b00000;
  font-weight: 700;
  background: linear-gradient(transparent 60%, rgba(176, 0, 0, 0.1) 60%);
}

/* #LP-A 課題3つ（斜めのカード） */
.problems-tilt {
  padding: 60px 20px;
  background: #fdfdfd;
  overflow: hidden;
}

.tilt-list {
  display: grid;
  gap: 32px;
  max-width: 500px;
  margin: 0 auto;
  padding: 20px 0;
}

.tilt-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transform: rotate(-2deg);
  transition: transform 0.4s ease;
}

.tilt-card:hover {
  transform: rotate(0deg) scale(1.02);
  z-index: 10;
}

.tilt-card--2 {
  transform: rotate(2deg);
}

.tilt-card--2:hover {
  transform: rotate(0deg) scale(1.02);
}

.tilt-card--3 {
  transform: rotate(-1deg);
}

.tilt-card--3:hover {
  transform: rotate(0deg) scale(1.02);
}

.tilt-card img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.tilt-caption {
  position: absolute;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(4px);
  border-radius: 12px;
  padding: 16px;
  width: 90%;
  text-align: center;
  font-weight: 700;
  line-height: 1.4;
  box-shadow: var(--shadow-md);
  color: var(--text);
}

/* #LP-A 汎用: 画像セクション */
.section-img {
  margin: 0;
}

.section-img img {
  width: 100%;
  display: block;
}

/* 固定CTA */
.cta-fixed {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 100;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
}

.cta-fixed.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.cta-fixed__button {
  display: grid;
  place-items: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #b00000;
  color: #fff;
  font-size: 24px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

@media (max-width: 640px) {
  .page {
    max-width: 100%;
  }
}

/* #トップ分岐ページ: 2択の背景・レイアウト */
.split-hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-rows: 1fr;
  color: #f8fafc;
  background: linear-gradient(90deg, #b31313 0%, #b31313 50%, #0c526d 50%, #0c526d 100%);
  overflow: hidden;
  isolation: isolate;
}

.split-hero::before {
  /* うっすら照明のようなビネット */
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 20%, rgba(255, 255, 255, 0.12), transparent 42%), radial-gradient(circle at 50% 65%, rgba(0, 0, 0, 0.18), transparent 35%);
  pointer-events: none;
  z-index: 1;
}

.split-hero__copy {
  /* タイトル位置（縦持ちスマホ基準） */
  position: absolute;
  top: clamp(5svh, 8svh, 10svh);
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  z-index: 3;
  text-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
}

.split-hero__title {
  margin: 0;
  font-size: clamp(24px, 7vw, 36px);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.split-hero__panels {
  /* 左右の選択領域 */
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  min-height: 100svh;
  position: relative;
  z-index: 2;
}

.split-panel {
  /* パネル全体（ボックス位置はパディングで調整） */
  position: relative;
  display: flex;
  padding: clamp(14svh, 20svh, 24svh) 0 clamp(6svh, 8svh, 10svh);
  align-items: flex-start;
  justify-content: center;
  text-decoration: none;
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}

.split-panel::before,
.split-panel::after {
  /* 前面グラデと背面人物の2枚重ね */
  content: "";
  position: absolute;
  inset: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.split-panel::before {
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.35) 0%, rgba(0, 0, 0, 0.2) 45%, rgba(0, 0, 0, 0.05) 100%);
  z-index: 1;
}

.split-panel::after {
  background-position: center bottom;
  background-repeat: no-repeat;
  background-size: auto clamp(58svh, 66svh, 74svh);
  z-index: 0;
}

.split-panel--left::after {
  background-image: url("../assets/images/top/hero-left.webp");
  background-position: center 116%;
}

.split-panel--right::after {
  background-image: url("../assets/images/top/hero-right.webp");
  background-position: center 116%;
}

.split-panel--left {
  /* 赤側の下地 */
  background: linear-gradient(160deg, #c81515 0%, #a30f0f 55%, #7d0e0e 100%);
  box-shadow: inset -2px 0 10px rgba(0, 0, 0, 0.25);
}

.split-panel--right {
  /* 青側の下地 */
  background: linear-gradient(200deg, #0f637f 0%, #0d5267 60%, #0b3f50 100%);
  box-shadow: inset 2px 0 10px rgba(0, 0, 0, 0.25);
}

.split-panel__label {
  /* 選択ボックス本体 */
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 84%;
  max-width: 320px;
  min-height: clamp(11svh, 13svh, 14svh);
  padding: clamp(1.8svh, 2svh, 2.2svh) 10px;
  border: 2px solid rgba(255, 255, 255, 0.85);
  background: rgba(0, 0, 0, 0.08);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25), inset 0 0 0 1px rgba(255, 255, 255, 0.1);
  font-size: clamp(22px, 6.2vw, 30px);
  line-height: 1.2;
  font-weight: 800;
  text-align: center;
  letter-spacing: 0.03em;
}

.split-panel:focus-visible .split-panel__label,
.split-panel:hover .split-panel__label {
  border-color: #fff;
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.32), inset 0 0 0 1px rgba(255, 255, 255, 0.16);
}

.split-panel:hover::before,
.split-panel:focus-visible::before {
  opacity: 0.75;
}

.split-panel:hover::after,
.split-panel:focus-visible::after {
  transform: scale(1.02);
}

@media (orientation: landscape) {

  /* スマホ横持ち時はさらに圧縮・下詰め */
  .split-hero {
    min-height: 100svh;
  }

  .split-hero__copy {
    top: clamp(6svh, 9svh, 10svh);
  }

  .split-panel {
    padding: clamp(10svh, 14svh, 16svh) 0 clamp(4svh, 6svh, 8svh);
  }

  .split-panel::after {
    background-size: auto clamp(46svh, 52svh, 56svh);
    background-position: center 120%;
  }

  .split-panel__label {
    min-height: clamp(7.5svh, 9svh, 10svh);
    font-size: clamp(20px, 5.6vw, 28px);
  }
}

/* #LP-A フッター */
.lp-footer {
  padding: 40px 20px;
  text-align: center;
  background: #fdfdfd;
  color: var(--muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
}

.split-footer {
  position: absolute;
  bottom: 10px;
  left: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  z-index: 10;
  font-size: 0.75rem;
  opacity: 0.8;
  font-family: var(--font-sans);
}