/* ============================================================
   ネオ酒田AI — Sales Letter CSS v2
   テーマ：サイバー × 和 / 青×金
   背景：明るいオフホワイト、帯のみ濃色
   ============================================================ */

:root {
  /* backgrounds */
  --bg-page:    #f0f4fa;
  --bg-section: #ffffff;
  --bg-band:    #0d1a2e;
  --bg-band2:   #0a2240;
  --bg-card:    #ffffff;
  --bg-card-b:  #eef3fb;
  --bg-inset:   #e6ecf7;

  /* cyber accent */
  --blue:       #0057c8;
  --blue-light: #1a80ff;
  --blue-glow:  rgba(0,87,200,0.18);
  --cyan:       #00c4e8;
  --gold:       #b8860b;
  --gold-light: #d4a017;
  --gold-bright:#f0c030;
  --gold-bg:    #fff8e0;

  /* text */
  --text-main:  #0d1a2e;
  --text-sub:   #3a4a62;
  --text-mute:  #6b7a94;
  --text-white: #f0f4fa;

  /* danger */
  --red:        #c0392b;
  --red-light:  #e74c3c;

  --font-serif: 'Shippori Mincho', 'Noto Serif JP', serif;
  --font-sans:  'Noto Sans JP', sans-serif;

  --max-w: 900px;
  --radius: 4px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg-page);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 18px;
  line-height: 2;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
p { margin-bottom: 1.4em; }
p:last-child { margin-bottom: 0; }
strong { color: var(--blue); font-weight: 700; }
em { color: var(--gold); font-style: normal; font-weight: 700; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 28px; }

/* ============ SECTIONS ============ */
.section        { padding: 72px 0; background: var(--bg-section); }
.section-alt    { padding: 72px 0; background: var(--bg-page); }
.section-gold   { padding: 72px 0; background: var(--gold-bg); border-top: 2px solid var(--gold-light); border-bottom: 2px solid var(--gold-light);
    background-image: url('画像のパス/ファイル名.jpg'); /* 例: '../images/story-bg.jpg' */
    background-size: cover;       /* 画像を領域に合わせて隙間なく拡大縮小 */
    background-position: center;  /* 画像の中央を基準に表示 */
    background-repeat: no-repeat; /* 画像の繰り返しをオフ */ 
}
.section-band   { padding: 72px 0; background: var(--bg-band); }
.section-final  { padding: 72px 0; background: var(--bg-band2); }

/* ============ ALERT BAR ============ */
.alert-bar {
  position: sticky; top: 0; z-index: 100;
  background: var(--red); color: #fff;
  text-align: center; padding: 11px 20px;
  font-size: 14px; font-weight: 700; letter-spacing: 0.06em;
  display: flex; align-items: center; justify-content: center; gap: 12px;
  animation: pulse-red 3s ease-in-out infinite;
}
@keyframes pulse-red { 0%,100% { background: var(--red); } 50% { background: #a93226; } }

/* ============ HERO ============ */
.hero {
  position: relative; min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center;
  overflow: hidden; padding: 80px 0 60px;
  background: var(--bg-band);
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% 20%, rgba(0,196,232,0.10) 0%, transparent 65%),
    radial-gradient(ellipse 50% 50% at 80% 80%, rgba(0,87,200,0.12) 0%, transparent 60%),
    var(--bg-band);
    /* ▼ ここから背景画像の設定 ▼ */
    background-image: 
    /* 1層目（手前）: 半透明の暗いフィルター（元のデザインに近い濃紺〜黒） */
        linear-gradient(rgba(10, 20, 40, 0.7), rgba(5, 10, 20, 0.85)),
    url('https://neosakata-ai.com/LPic/images/image.bc2.jpg'); /* 例: '../images/main-bg.jpg' */
    background-size: cover;       /* 領域を隙間なく覆うように画像を拡大縮小 */
    background-position: center;  /* 画像の中央を基準に表示 */
    background-repeat: no-repeat; /* 画像の繰り返しをオフ */
  z-index: 0;
}
.hero-grid {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-size: 48px 48px;
}
.hero-inner {
    position: relative; 
    z-index: 1; 
    text-align: center;
    background-color: rgba(10, 15, 20, 0.85);
    border-radius: 0;
    min-height: 100vh;
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin-top: -80px;
    box-shadow: 0 0 250px 90px rgba(10, 15, 20, 0.85);
}
.hero-eyebrow {
  display: inline-block;
  border: 1px solid rgba(0,196,232,0.5); color: var(--cyan);
  font-size: 13px; letter-spacing: 0.18em; padding: 7px 22px; margin-bottom: 28px;
  animation: fadeInDown 0.7s ease both;
}
.hero-sub {
  font-family: var(--font-serif); font-size: clamp(15px, 2.5vw, 19px);
  color: rgba(240,244,250,0.75); line-height: 1.9; margin-bottom: 20px;
  animation: fadeInDown 0.8s ease 0.1s both;
}
.hero-title {
  font-family: var(--font-serif); font-size: clamp(60px, 13vw, 108px);
  font-weight: 900; line-height: 1; letter-spacing: -0.02em;
  color: var(--text-white); margin-bottom: 12px;
  animation: fadeInDown 0.9s ease 0.2s both;
  text-shadow: 0 0 60px rgba(0,196,232,0.25);
}
.ai-badge {
  display: inline-block; font-size: 0.37em;
  background: var(--cyan); color: var(--bg-band);
  padding: 4px 14px; border-radius: 2px;
  vertical-align: super; font-weight: 900; letter-spacing: 0.12em; margin-left: 8px;
}
.hero-catch {
  font-family: var(--font-serif); font-size: clamp(14px, 2vw, 17px);
  color: rgba(240,244,250,0.7); margin: 24px 0 16px; line-height: 1.95;
  animation: fadeInDown 0.9s ease 0.3s both;
}
.hero-tagline {
  font-family: var(--font-serif); font-size: clamp(15px, 2.5vw, 19px);
  color: var(--text-white); line-height: 1.9; margin-bottom: 48px;
  animation: fadeInDown 0.9s ease 0.4s both;
}
.cta-block { animation: fadeInDown 0.9s ease 0.5s both; }
.cta-note { font-size: 12px; color: rgba(240,244,250,0.45); margin-top: 8px; letter-spacing: 0.06em; }

.btn-main {
  display: inline-block;
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold-bright) 50%, var(--gold-light) 100%);
  background-size: 200% 200%;
  color: #1a0e00; font-weight: 900; font-size: clamp(16px, 2.5vw, 19px);
  padding: 22px 52px; border-radius: var(--radius); letter-spacing: 0.05em;
  animation: shimmer 3s ease infinite;
  box-shadow: 0 4px 40px rgba(240,192,48,0.45);
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-main:hover { transform: translateY(-3px); box-shadow: 0 8px 56px rgba(240,192,48,0.6); }
@keyframes shimmer { 0%,100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }

.hero-scroll-indicator { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); z-index: 1; }
.hero-scroll-indicator span {
  display: block; width: 1px; height: 56px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  margin: 0 auto; animation: scroll-line 2s ease-in-out infinite;
}
@keyframes scroll-line {
  0% { opacity:0; transform:scaleY(0); transform-origin:top; }
  50% { opacity:1; transform:scaleY(1); transform-origin:top; }
  100% { opacity:0; transform:scaleY(1); transform-origin:bottom; }
}

/* ============ TITLES ============ */
.section-title-band {
  font-family: var(--font-serif); font-size: clamp(22px, 4vw, 30px);
  font-weight: 700; line-height: 1.65; color: var(--text-white);
  margin-bottom: 32px; padding-bottom: 18px;
  border-bottom: 1px solid rgba(0,196,232,0.3);
}
.section-title {
  font-family: var(--font-serif); font-size: clamp(22px, 4vw, 30px);
  font-weight: 700; line-height: 1.65; color: var(--text-main);
  margin-bottom: 32px; padding-bottom: 18px;
  border-bottom: 3px solid var(--blue);
}
.section-title-gold {
  font-family: var(--font-serif); font-size: clamp(20px, 3.5vw, 26px);
  font-weight: 700; line-height: 1.7; color: var(--gold); margin-bottom: 28px;
}
.section-label { font-size: 12px; letter-spacing: 0.2em; color: var(--cyan); text-transform: uppercase; margin-bottom: 14px; }

/* ============ LEAD TEXT ============ */
.lead-text {
  font-family: var(--font-serif); font-size: clamp(18px, 3vw, 22px);
  color: var(--text-main); margin-bottom: 32px;
  padding: 20px 28px; border-left: 4px solid var(--blue); background: var(--bg-card-b);
}
.band-lead {
  font-family: var(--font-serif); font-size: clamp(18px, 3vw, 22px);
  color: var(--text-white); margin-bottom: 32px;
  padding: 20px 28px; border-left: 4px solid var(--cyan); background: rgba(255,255,255,0.06);
}

/* ============ AUTHOR ============ */
.author-intro {
  display: flex; gap: 24px; align-items: center;
  margin: 32px 0; padding: 24px;
  background: var(--bg-inset); border: 1px solid rgba(0,87,200,0.2); border-left: 4px solid var(--blue);
}
.author-img-placeholder {
  width: 100px; height: 100px; flex-shrink: 0;
  background: var(--bg-card-b); border: 1px solid rgba(0,87,200,0.3);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-mute); font-size: 12px; letter-spacing: 0.1em;
}
.author-name { font-family: var(--font-serif); font-size: 21px; font-weight: 700; color: var(--blue); margin-bottom: 8px; }

/* ============ TRUTH BOX ============ */
.truth-box {
  background: #fff3f2; border: 1px solid rgba(192,57,43,0.35); border-left: 5px solid var(--red);
  padding: 28px 32px; margin: 32px 0;
  font-family: var(--font-serif); font-size: clamp(16px, 2.5vw, 19px); line-height: 1.9; color: var(--text-main);
}

/* ============ SCENE BLOCK ============ */
.scene-block {
  background: var(--bg-band); padding: 40px 36px; margin: 32px 0; position: relative;
}
.scene-block::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(to right, var(--red), transparent);
}
.scene-inner { font-family: var(--font-serif); }
.scene-line { color: rgba(240,244,250,0.78); font-size: 16px; line-height: 2.1; margin-bottom: 12px; }
.scene-highlight {
  color: var(--red-light); font-weight: 700; font-size: 18px; text-align: center;
  padding: 14px 0; border-top: 1px solid rgba(192,57,43,0.35); border-bottom: 1px solid rgba(192,57,43,0.35);
  margin: 16px 0; letter-spacing: 0.06em;
}

/* ============ QUOTE BLOCK ============ */
.quote-block {
  padding: 20px 32px; border-left: 4px solid rgba(0,87,200,0.25);
  background: var(--bg-inset); margin: 24px 0;
}
.quote-block p { font-family: var(--font-serif); font-size: 16px; color: var(--text-sub); font-style: italic; margin-bottom: 8px; }
.quote-block p:last-child { margin-bottom: 0; }

/* ============ EMPHASIS LINE ============ */
.emphasis-line {
  text-align: center; padding: 36px 20px; margin: 32px 0;
  background: var(--bg-inset); border: 1px solid rgba(0,87,200,0.2);
}
.emphasis-line p { font-family: var(--font-serif); font-size: clamp(19px, 3vw, 23px); font-weight: 700; color: var(--blue); margin: 0; }

/* ============ BRAIN BOX ============ */
.brain-box {
  display: flex; gap: 20px; align-items: flex-start;
  background: #eef4ff; border: 1px solid rgba(0,87,200,0.25); border-left: 5px solid var(--blue);
  padding: 28px; margin: 28px 0; color: var(--text-main);
}
.brain-icon { font-size: 38px; flex-shrink: 0; line-height: 1; }

/* ============ HONEST BOX ============ */
.honest-box { background: var(--bg-inset); border: 1px solid rgba(0,87,200,0.2); padding: 32px; margin: 28px 0; color: var(--text-main); }
.honest-lead { font-family: var(--font-serif); font-size: 18px; color: var(--text-main); margin-bottom: 20px; }
.honest-list { list-style: none; margin: 0 0 20px; padding: 0; }
.honest-list li {
  padding: 11px 0 11px 24px; border-bottom: 1px solid rgba(0,87,200,0.1);
  position: relative; font-family: var(--font-serif); color: var(--text-sub); font-size: 16px;
}
.honest-list li::before { content: '▸'; position: absolute; left: 0; color: var(--blue); }

/* ============ RESOLVE LINE ============ */
.resolve-line { text-align: center; padding: 40px 20px; margin-top: 32px; border-top: 2px solid var(--blue); }
.resolve-line p { font-family: var(--font-serif); font-size: clamp(17px, 2.5vw, 21px); line-height: 1.9; margin: 0; color: var(--text-main); }

/* ============ LOSS CARD ============ */
.loss-card {
  display: flex; gap: 24px;
  background: #fff3f2; border: 1px solid rgba(192,57,43,0.3); border-left: 4px solid var(--red);
  padding: 28px; margin: 28px 0; align-items: flex-start; color: var(--text-main);
}
.img-placeholder {
  width: 120px; height: 120px;
  background: var(--bg-inset); border: 1px solid rgba(0,87,200,0.2);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-mute); font-size: 12px; letter-spacing: 0.1em; flex-shrink: 0;
}
.img-placeholder.tall { width: 100%; height: 200px; }
.loss-amount { font-family: var(--font-serif); font-size: 17px; color: var(--text-main); margin-top: 12px; }
.loss-amount span { font-size: 24px; font-weight: 700; color: var(--red); }

/* ============ CONFESSION BOX ============ */
.confession-box {
  background: var(--gold-bg); border: 1px solid var(--gold-light); border-top: 4px solid var(--gold);
  padding: 36px; margin: 28px 0; text-align: center; color: var(--text-main);
}
.confession-lead { font-size: 16px; color: var(--text-sub); letter-spacing: 0.05em; }
.confession-main { font-family: var(--font-serif); font-size: clamp(21px, 4vw, 28px); font-weight: 700; color: var(--gold); margin: 8px 0 20px; }

.notice01 { font-size: 10px; color: var(--text-sub); letter-spacing: 0.05em; }
.notice02 { font-size: 10px; color: #d1d1d1; letter-spacing: 0.05em; }

/* ============ AI INTRO（帯内） ============ */
.ai-intro-header { text-align: center; margin-bottom: 40px; }
.ai-intro-lead { font-size: 14px; color: var(--cyan); letter-spacing: 0.15em; margin-bottom: 8px; }
.ai-title { font-family: var(--font-serif); font-size: clamp(26px, 5vw, 38px); font-weight: 900; color: var(--text-white); text-shadow: 0 0 40px rgba(0,196,232,0.3); }
.ai-spec-card {
  gap: 28px; margin: 32px 0; align-items: flex-start;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(0,196,232,0.25); padding: 28px;
}
.ai-spec-img { flex-shrink: 0; width: 160px; }
.ai-spec-img .img-placeholder.tall { width: 160px; height: 200px; background: rgba(255,255,255,0.08); border-color: rgba(0,196,232,0.3); color: rgba(240,244,250,0.5); }
.ai-spec-text p { color: rgba(240,244,250,0.85); }

/* ============ METHOD GRID（帯内） ============ */
.method-grid { display: flex; gap: 0; align-items: stretch; margin: 32px 0; }
.method-card { flex: 1; background: rgba(255,255,255,0.06); border: 1px solid rgba(0,196,232,0.3); padding: 28px 24px; text-align: center; }
.method-card:first-child { border-right: none; }
.method-icon { font-size: 38px; margin-bottom: 12px; display: block; }
.method-card h3 { font-family: var(--font-serif); font-size: 18px; font-weight: 700; color: var(--cyan); margin-bottom: 12px; }
.method-card p { font-size: 15px; color: rgba(240,244,250,0.78); line-height: 1.85; margin: 0; }
.method-cross { display: flex; align-items: center; justify-content: center; font-size: 34px; font-weight: 900; color: var(--gold-bright); padding: 0 16px; flex-shrink: 0; }

/* ============ RESULT BOX（帯内） ============ */
.result-box {
  background: rgba(0,196,232,0.08); border: 1px solid rgba(0,196,232,0.35); border-left: 5px solid var(--cyan);
  padding: 28px 32px; margin: 24px 0;
  font-family: var(--font-serif); font-size: 16px; line-height: 1.9; color: rgba(240,244,250,0.92);
}

/* ============ WEAPON FLOW（帯内） ============ */
.weapon-flow { display: flex; gap: 0; align-items: center; margin: 36px 0; }
.weapon-item { flex: 1; text-align: center; padding: 24px 20px; border: 1px solid rgba(255,255,255,0.18); }
.weapon-item.sub { border-color: var(--gold-bright); background: rgba(240,192,48,0.08); }
.weapon-label { font-size: 11px; letter-spacing: 0.15em; color: var(--cyan); margin-bottom: 6px; text-transform: uppercase; }
.weapon-item p { font-family: var(--font-serif); font-size: 18px; font-weight: 700; color: var(--text-white); margin: 0 0 4px; }
.weapon-item span { font-size: 13px; color: rgba(240,244,250,0.6); }
.weapon-plus { font-size: 30px; font-weight: 900; color: var(--gold-bright); padding: 0 16px; flex-shrink: 0; }

/* ============ HOW TO（帯内） ============ */
.howto-box { background: rgba(255,255,255,0.06); border: 1px solid rgba(0,196,232,0.3); padding: 40px 32px; margin: 32px 0; text-align: center; }
.howto-title { font-family: var(--font-serif); font-size: 21px; font-weight: 700; color: var(--cyan); margin-bottom: 32px; }
.howto-steps { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.howto-step { flex: 1; min-width: 150px; text-align: center; }
.step-num { width: 46px; height: 46px; border-radius: 50%; background: var(--cyan); color: var(--bg-band); font-weight: 900; font-size: 19px; display: flex; align-items: center; justify-content: center; margin: 0 auto 12px; }
.howto-step p { font-size: 15px; color: rgba(240,244,250,0.88); line-height: 1.65; margin: 0; }
.step-arrow { font-size: 22px; color: rgba(0,196,232,0.5); padding: 0 8px; flex-shrink: 0; }
.howto-note { font-size: 15px; color: rgba(240,244,250,0.72); line-height: 1.85; margin: 0; }

/* ============ NEXT STAGE ============ */
.next-stage { padding: 40px; border: 2px solid var(--blue); text-align: center; background: #eef4ff; }
.next-stage h2 { font-family: var(--font-serif); font-size: clamp(19px, 3.5vw, 25px); font-weight: 700; color: var(--blue); margin-bottom: 24px; line-height: 1.7; }
.next-stage p { color: var(--text-main); }

/* ============ PACKAGE GRID ============ */
.package-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 40px; }
.package-card { background: var(--bg-card); border: 1px solid rgba(0,87,200,0.2); padding: 28px 24px; position: relative; transition: border-color 0.2s, box-shadow 0.2s; color: var(--text-main); }
.package-card:hover { border-color: var(--blue); box-shadow: 0 4px 24px var(--blue-glow); }
.package-card.featured { border-color: var(--blue); border-width: 2px; background: #eef4ff; }
.package-badge { position: absolute; top: -1px; right: 16px; background: var(--blue); color: #fff; font-size: 11px; font-weight: 700; padding: 4px 14px; letter-spacing: 0.1em; }
.package-badge.alt { background: var(--red); }
.package-num { font-size: 44px; font-weight: 900; color: rgba(0,87,200,0.12); line-height: 1; margin-bottom: 6px; font-family: var(--font-serif); }
.package-card h3 { font-family: var(--font-serif); font-size: 17px; font-weight: 700; color: var(--text-main); margin-bottom: 10px; line-height: 1.6; }
.pkg-period { font-size: 13px; color: var(--blue); font-weight: 400; }
.package-sub { font-size: 14px; color: var(--text-sub); line-height: 1.75; margin-bottom: 16px; }
.package-detail summary { font-size: 13px; color: var(--blue); cursor: pointer; letter-spacing: 0.05em; list-style: none; display: flex; align-items: center; gap: 6px; }
.package-detail summary::before { content: '＋'; }
.package-detail[open] summary::before { content: '－'; }
.package-detail p { font-size: 14px; color: var(--text-sub); line-height: 1.85; margin-top: 12px; padding-top: 12px; border-top: 1px solid rgba(0,87,200,0.15); }

/* ============ PRICE ============ */
.investment-note { background: var(--bg-inset); border: 1px solid rgba(0,87,200,0.2); padding: 28px 32px; margin: 28px 0; font-size: 17px; color: var(--text-main); }
.price-card { border: 2px solid var(--gold); background: var(--gold-bg); padding: 52px 44px; text-align: center; margin: 40px 0; }
.price-label { font-size: 14px; color: var(--gold); letter-spacing: 0.15em; margin-bottom: 14px; }
.price-original { font-size: 17px; color: var(--text-sub); margin-bottom: 8px; }
.price-original span { margin-right: 8px; color: var(--text-sub); }
.price-original s { color: var(--text-sub); text-decoration: line-through; }
.price-arrow { font-size: 26px; color: var(--gold); margin: 10px 0; }
.price-special-label { font-size: 15px; color: var(--gold); letter-spacing: 0.1em; margin-bottom: 4px; }
.price-main { font-family: var(--font-serif); font-size: clamp(48px, 10vw, 68px); font-weight: 900; color: var(--gold); line-height: 1.1; margin-bottom: 18px; }
.price-unit { font-size: 0.35em; color: var(--gold); font-weight: 400; }
.price-note { font-size: 15px; color: var(--text-sub); margin: 0; }
.price-question { font-size: 17px; line-height: 1.95; color: var(--text-main); margin-top: 24px; }

/* ============ FAQ ============ */
.faq-list { margin-top: 32px; }
.faq-item { border-bottom: 1px solid rgba(0,87,200,0.15); padding: 22px 0; }
.faq-item:first-child { border-top: 1px solid rgba(0,87,200,0.15); }
.faq-q { font-family: var(--font-serif); font-size: 18px; font-weight: 700; color: var(--blue); margin-bottom: 10px; }
.faq-a { font-size: 17px; color: var(--text-main); line-height: 1.9; padding-left: 18px; border-left: 3px solid rgba(0,87,200,0.3); }

/* ============ FINAL（帯） ============ */
.final-header { text-align: center; margin-bottom: 40px; }
.final-label { font-size: 12px; letter-spacing: 0.2em; color: var(--cyan); text-transform: uppercase; margin-bottom: 8px; }
.final-title { font-family: var(--font-serif); font-size: clamp(24px, 5vw, 38px); font-weight: 900; color: var(--text-white); }
.final-lead { font-family: var(--font-serif); font-size: clamp(17px, 2.5vw, 21px); text-align: center; margin-bottom: 40px; color: var(--text-white); }

.fork-road { display: flex; gap: 16px; align-items: stretch; margin: 32px 0; }
.fork-item { flex: 1; padding: 28px 24px; text-align: center; border: 1px solid; }
.fork-item.bad { border-color: rgba(255,255,255,0.2); background: rgba(255,255,255,0.04); }
.fork-item.good { border-color: var(--gold-bright); background: rgba(240,192,48,0.08); }
.fork-icon { font-size: 30px; margin-bottom: 12px; font-weight: 900; }
.fork-item.bad .fork-icon { color: rgba(255,255,255,0.35); }
.fork-item.good .fork-icon { color: var(--gold-bright); }
.fork-item p { font-size: 15px; color: rgba(240,244,250,0.78); line-height: 1.85; margin-bottom: 12px; }
.fork-item strong { display: block; font-size: 15px; font-family: var(--font-serif); }
.fork-item.bad strong { color: rgba(240,244,250,0.55); }
.fork-item.good strong { color: var(--gold-bright); }
.fork-or { display: flex; align-items: center; font-size: 14px; font-weight: 900; color: rgba(240,244,250,0.4); flex-shrink: 0; padding: 0 10px; }

.final-body p { color: rgba(240,244,250,0.85); }

.final-price-card { background: rgba(240,192,48,0.1); border: 2px solid var(--gold-bright); padding: 52px 44px; text-align: center; margin: 40px 0; }
.fp-label { font-size: 14px; color: var(--gold-bright); letter-spacing: 0.15em; margin-bottom: 12px; }
.fp-original { font-size: 17px; color: rgba(240,244,250,0.65); margin-bottom: 8px; }
.fp-original s { text-decoration: line-through; color: rgba(240,244,250,0.65); }
.fp-arrow { font-size: 26px; color: var(--gold-bright); margin: 10px 0; }
.fp-special { font-family: var(--font-serif); font-size: 19px; font-weight: 700; color: var(--text-white); margin-bottom: 36px; }
.fp-special span { color: var(--gold-bright); font-size: 28px; }

.final-cta-buttons { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.btn-final-bank {
  display: inline-block;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-bright), var(--gold-light));
  background-size: 200% 200%;
  color: #1a0e00; font-weight: 900; font-size: clamp(16px, 2.5vw, 19px);
  padding: 24px 56px; border-radius: var(--radius); letter-spacing: 0.05em;
  animation: shimmer 3s ease infinite;
  box-shadow: 0 4px 40px rgba(240,192,48,0.45);
  transition: transform 0.2s, box-shadow 0.2s;
  width: 100%; max-width: 500px;
}
.btn-final-bank:hover { transform: translateY(-3px); box-shadow: 0 8px 56px rgba(240,192,48,0.6); }
.btn-divider { font-size: 14px; color: var(--gold-bright); letter-spacing: 0.1em; margin: 0; }
.btn-final-credit {
  display: inline-block; background: transparent;
  border: 2px solid var(--gold-bright); color: var(--gold-bright);
  font-weight: 700; font-size: clamp(15px, 2.5vw, 17px);
  padding: 20px 56px; border-radius: var(--radius); letter-spacing: 0.05em;
  transition: all 0.2s; width: 100%; max-width: 500px;
}
.btn-final-credit:hover { background: rgba(240,192,48,0.12); transform: translateY(-2px); }

/* ============ FOOTER ============ */
.footer { background: var(--bg-band); border-top: 1px solid rgba(0,196,232,0.2); padding: 32px 0; text-align: center; }
.footer-service { font-family: var(--font-serif); font-size: 15px; color: rgba(240,244,250,0.6); margin-bottom: 12px; }
.footer-links { display: flex; justify-content: center; gap: 14px; font-size: 13px; color: rgba(240,244,250,0.45); }
.footer-links a:hover { color: var(--cyan); text-decoration: underline; }

/* ============ ANIMATIONS ============ */
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-18px); } to { opacity: 1; transform: translateY(0); } }

/* ============ RESPONSIVE ============ */
@media (max-width: 640px) {
  body { font-size: 16px; }
  .section, .section-alt, .section-gold, .section-band, .section-final { padding: 52px 0; }
  .author-intro { flex-direction: column; }
  .loss-card { flex-direction: column; }
  .img-placeholder { width: 100%; height: 140px; }
  .ai-spec-card { flex-direction: column; }
  .ai-spec-img { width: 100%; }
  .ai-spec-img .img-placeholder.tall { width: 100%; height: 160px; }
  .method-grid { flex-direction: column; }
  .method-card:first-child { border-right: 1px solid rgba(0,196,232,0.3); border-bottom: none; }
  .method-cross { padding: 10px 0; }
  .weapon-flow { flex-direction: column; }
  .weapon-plus { padding: 8px 0; }
  .package-grid { grid-template-columns: 1fr; }
  .fork-road { flex-direction: column; }
  .fork-or { justify-content: center; }
  .howto-steps { flex-direction: column; align-items: center; }
  .step-arrow { transform: rotate(90deg); }
  .price-card, .final-price-card { padding: 36px 20px; }
  .next-stage { padding: 28px 20px; }
}
/* --- 1. ページ全体（body）の背景を設定 --- */
body {
    background-color: #f5f7fa; 
}

/* 一番上のヘッダー部分は背景をグレーにしたくないため、黒を維持する設定 */
.hero {
    background-color: #000;
}

/* --- 2. 各セクションの余白設定 --- */
.section {
    padding: 60px 0; 
}

/* --- 3. ヘッダー「以外」のコンテナを白帯＋影にする --- */
.section .container {
    background-color: #ffffff;
    box-shadow: 0px 4px 20px rgba(0, 0, 0, 0.08); /* ←先ほど決めた数値があればここを変更 */
    padding: 60px 40px;
    border-radius: 8px;
    max-width: var(--max-w); 
    margin: 0 auto;
}
#block1 {
    /* 使用する画像のファイルパスが正しいことを確認してください（例：images/my-bg.jpg など） */
    background-image: url('https://neosakata-ai.com/LPic/images/bc4.jpg');
    
    /* 領域を隙間なく覆うように画像を拡大縮小します */
    background-size: cover;
    
    /* 画像の中央を基準に表示します */
    background-position: center;
    
    /* 画像の繰り返しをオフにします */
    background-repeat: no-repeat;
    
    /* 【重要】画像が読み込まれない場合の予備として、背景色も設定しておくと安全です（例：薄いグレーなど） */
    background-color: #f5f5f5;
}
/* --- AI紹介セクション（#about）全体の設定 --- */
#about {
    /* 画像のパスはご自身の環境に合わせて書き換えてください */
    background-image: url('https://neosakata-ai.com/LPic/images/bc5.jpg'); 
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: 120px 0 
}

/* --- 中央の「帯」部分の設定 --- */
#about .container {
    background-color: rgba(10, 15, 20, 0.95);
    max-width: 800px;
    margin: 0 auto;
    padding: 100px 40px;
    box-shadow: 0 0 60px 20px rgba(0, 0, 0, 0.6);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
/* --- 最終決断セクション（.section-final）全体の設定 --- */
.section-final {
    /* 背景画像の設定 */
    background-image: url('https://neosakata-ai.com/LPic/images/lp.back.jpg'); /* 例: '../images/final-bg.jpg' */
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* スクロール時のパララックス効果 */
    
    /* セクション自体の上下の余白はゼロにします（帯の方で余白を取るため） */
    padding: 120px 0; 
}

/* --- 中央の「透過しない真っ黒な帯」の設定 --- */
.section-final .container {
    /* 背景色を「透過しない完全な黒（#000000 または #0a0f14 など）」に設定します */
    /* 今回はサイト全体のトーンに合わせて、ごくわずかに青みのある濃黒にしています */
    background-color: rgba(10, 15, 20, 0.95); 
    
    /* 横幅の制限と中央配置 */
    max-width: 800px;
    margin: 0 auto;
    
    /* 内側の余白（上下100px、左右40px） */
    padding: 100px 40px;
    
    /* 影の設定（背景画像との境界線を自然にぼかします） */
    box-shadow:0 0 60px 20px rgba(0, 0, 0, 0.6); 
    
    /* 画面の高さ分伸ばして、上下の隙間をなくす */
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
/* ...（上の方には他のいろいろなコードがあります）... */

/* 1つ前に作ったネイビーの帯のコード（これは残しておきます） */
.section-final .container {
    background-color: #0a2240; 
    /* ...中略... */
}

/* ▼▼ 今回新しく、その下に追加します ▼▼ */
/* --- 自己開示セクション（.section-gold）の中央の帯の設定 --- */
.section-gold .container {
    background-color: #ffffff; 
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05); 
    border-radius: 8px;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 60px 40px; 
}
/* --- パッケージ内容セクション（#package）全体の設定 --- */
#package {
    /* ▼ 外側の背景画像の設定 ▼ */
    background-image: url('https://neosakata-ai.com/LPic/images/bc7.jpg'); /* 例: '../images/package-bg.jpg' */
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* お好みでパララックス効果を残すか消すか選んでください */
    
    /* 影が上下のセクションにはみ出ないように、外側に十分な余白を作ります */
    padding: 100px 0; 
}

/* --- 中央の帯（コンテナ）の設定 --- */
#package .container {
    /* ▼ 帯の色を、元々の背景色（薄いブルーグレー）に設定します ▼ */
    /* ※もし元々 var(--bg-alt) などの変数を使っていた場合はそちらに書き換えてください */
    background-color: #f4f7fb; 
    
    /* 明るい色の帯なので、背景画像から少し浮き上がって見えるように自然な影をつけます */
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    
    /* 角を少し丸くして柔らかさを出します */
    border-radius: 8px;
    
    /* 4つのカードが綺麗に並ぶように、横幅は広め（元の設定）を維持します */
    max-width: var(--max-w);
    margin: 0 auto;
    
    /* 帯の内側の余白（カードと帯のフチの距離） */
    padding: 60px 40px; 
}
/* --- FAQセクション（#faq）の中央の帯の設定 --- */
#faq .container {
    /* ▼ 帯の背景色を「真っ白」に設定します ▼ */
    background-color: #ffffff; 
    
    /* 白い帯が背景から少し浮き上がって見えるように、薄い影をつけます */
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    
    /* 帯の角を少し丸くして、全体的な柔らかさを出します */
    border-radius: 8px;
    
    /* 帯の内側の余白（文字がフチにくっつかないように、上下左右にしっかり余白を取ります） */
    padding: 60px 40px; 
    
    /* 横幅の制限と中央配置（すでに設定されているはずですが、念のため記述しておきます） */
    max-width: var(--max-w);
    margin: 0 auto;
}
/* --- 訴求セクション（#aboutのすぐ下にある.section）の背景画像設定 --- */
#about + .section {
    /* ▼ 背景画像の設定 ▼ */
    background-image: url('https://neosakata-ai.com/LPic/images/bc8.jpg'); /* 例: '../images/appeal-bg.jpg' */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    
    /* スクロール時に背景を固定したい場合は下を有効にしてください */
    /* background-attachment: fixed; */
}
/* --- 価格セクション（#price）の背景画像設定 --- */
#price {
    /* ▼ 外側の背景を画像に変更します ▼ */
    background-image: url('https://neosakata-ai.com/LPic/images/bc9.jpg'); /* 例: '../images/price-bg.jpg' */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    
    /* スクロール時に背景を固定したい場合は下を有効にしてください */
    /* background-attachment: fixed; */
    
    /* ▼ 画像の上下に余白を作り、背景画像が見えるエリアを確保します ▼ */
    /* （元々の余白で十分な場合は、この行を消してください） */
    padding: 100px 0; 
}