@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700;900&family=Plus+Jakarta+Sans:ital,wght@0,400;0,700;0,800;1,400&family=Great+Vibes&display=swap');

/* ==========================================================================
   1. デザインシステム / 青・透明感の変数定義
   ========================================================================== */
:root {
  --color-bg-white: #FFFFFF;
  --color-bg-alice: #F5F9FD;    /* 澄み切ったアリスブルー */
  --color-bg-blue: #EAF4FC;     /* 淡いブルー */
  --color-primary: #008BD3;     /* 洗練されたライトブルー（メイン） */
  --color-primary-dark: #093C73;/* 知的で誠実な深みのあるインディゴブルー */
  --color-primary-light: rgba(0, 139, 211, 0.06);
  --color-accent: #00B3A4;      /* 清潔感と未来感のあるエメラルドミント */
  --color-accent-light: rgba(0, 179, 164, 0.08);
  --color-text-main: #172330;   /* 洗練された超ダークネイビー */
  --color-text-sub: #586B7E;    /* 青みのある上品なスレートグレー */
  --color-border: rgba(0, 139, 211, 0.12); /* 非常に繊細な境界線 */
  --color-glass-bg: rgba(255, 255, 255, 0.45);
  --color-glass-border: rgba(255, 255, 255, 0.55);
  
  --font-sans: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-decor: 'Plus Jakarta Sans', sans-serif;
  --font-script: 'Great Vibes', cursive;
  
  --shadow-sm: 0 6px 18px rgba(0, 139, 211, 0.04);
  --shadow-md: 0 16px 36px rgba(23, 35, 48, 0.05);
  --shadow-lg: 0 28px 64px rgba(23, 35, 48, 0.09);
  --shadow-btn: 0 12px 30px rgba(0, 139, 211, 0.28);
  --shadow-glass: 0 10px 40px rgba(9, 60, 115, 0.04);
  
  --radius-sm: 8px;             /* 少し角丸を優しく調整 */
  --radius-md: 18px;
  --radius-lg: 32px;
  --radius-full: 9999px;
  
  --transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.25s ease;
}

/* ==========================================================================
   2. リセット & ベーススタイル
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-white);
  color: var(--color-text-main);
  line-height: 1.85;
  letter-spacing: 0.05em;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
  text-align: justify;
  text-justify: inter-character;
}

p, li, td {
  line-break: strict;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* インラインブロック（改行崩れ防止用） */
.ib {
  display: inline-block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

/* 背景にゆっくり浮遊するカラフルな光球 (Blur Blobs) */
.blur-blobs {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
  animation: blob-float 25s infinite ease-in-out;
}

.blob-1 {
  background: radial-gradient(circle, rgba(0,186,179,0.4) 0%, rgba(0,139,211,0.1) 70%);
  width: 500px;
  height: 500px;
  top: 5%;
  left: -10%;
  animation-delay: 0s;
}

.blob-2 {
  background: radial-gradient(circle, rgba(0,139,211,0.3) 0%, rgba(9,60,115,0.05) 70%);
  width: 600px;
  height: 600px;
  top: 35%;
  right: -15%;
  animation-delay: 6s;
}

.blob-3 {
  background: radial-gradient(circle, rgba(0,179,164,0.35) 0%, rgba(245,249,2FD,0.1) 70%);
  width: 450px;
  height: 450px;
  bottom: 15%;
  left: 10%;
  animation-delay: 12s;
}

@keyframes blob-float {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(60px, -80px) scale(1.15);
  }
  66% {
    transform: translate(-40px, 40px) scale(0.9);
  }
}

/* ==========================================================================
   3. レイアウト・斜めライン & グラスモルフィズム
   ========================================================================== */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 10;
}

section {
  padding: 120px 0;
  position: relative;
  z-index: 5;
}

/* グラスモルフィズム共通定義 */
.glass-panel {
  background: var(--color-glass-bg);
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  border: 1px solid var(--color-glass-border);
  box-shadow: var(--shadow-glass);
  border-radius: var(--radius-md);
  transition: var(--transition-smooth);
}

.glass-panel:hover {
  background: rgba(255, 255, 255, 0.6);
  border-color: rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-lg);
}

/* 斜めカッティング背景 (clip-path) を曲線的かつ有機的なグラデーションに */
.section-diagonal {
  background: linear-gradient(135deg, var(--color-bg-alice) 0%, #E9F4FD 100%);
  clip-path: polygon(0 3%, 100% 0, 100% 97%, 0 100%);
  padding: 160px 0;
  margin: -60px 0;
}

.section-diagonal-reverse {
  background: linear-gradient(135deg, #E9F4FD 0%, var(--color-bg-alice) 100%);
  clip-path: polygon(0 0, 100% 3%, 100% 100%, 0 97%);
  padding: 160px 0;
  margin: -60px 0;
}

/* 見出しのスタイル（シャープ・先進的） */
.section-title {
  font-size: 2.5rem;
  font-weight: 900;
  text-align: center;
  margin-bottom: 70px;
  color: var(--color-text-main);
  position: relative;
  line-height: 1.4;
  letter-spacing: 0.08em;
}

.section-title span {
  display: block;
  font-family: var(--font-decor);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--color-primary);
  letter-spacing: 0.25em;
  margin-bottom: 16px;
  text-transform: uppercase;
}

/* タイトル下のアクティブなライン */
.section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
  border-radius: var(--radius-full);
  margin: 24px auto 0;
}

/* 背景巨大装飾英字 */
.bg-deco-text {
  position: absolute;
  font-family: var(--font-decor);
  font-weight: 900;
  font-style: italic;
  font-size: 10rem;
  color: rgba(0, 139, 211, 0.02);
  user-select: none;
  pointer-events: none;
  z-index: 1;
  white-space: nowrap;
}

.bg-script-text {
  position: absolute;
  font-family: var(--font-script);
  font-size: 6.5rem;
  color: rgba(0, 179, 164, 0.06);
  user-select: none;
  pointer-events: none;
  z-index: 2;
  white-space: nowrap;
}

/* カードスタイル */
.card {
  background: var(--color-glass-bg);
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  border: 1px solid var(--color-glass-border);
  box-shadow: var(--shadow-glass);
  border-radius: var(--radius-md);
  padding: 48px;
  position: relative;
  z-index: 10;
  transition: var(--transition-smooth);
}

.card:hover {
  background: rgba(255, 255, 255, 0.55);
  border-color: rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

/* ==========================================================================
   4. ボタン / CTA & フローティングナビゲーション
   ========================================================================== */
.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #FFFFFF !important;
  font-size: 1.25rem;
  font-weight: 700;
  padding: 24px 50px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-btn);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  width: 100%;
  max-width: 540px;
  text-align: center;
  letter-spacing: 0.1em;
}

/* 斜めの光エフェクト */
.btn-cta::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -60%;
  width: 30%;
  height: 200%;
  background: rgba(255, 255, 255, 0.35);
  transform: rotate(30deg);
  animation: shine 5.5s infinite ease-in-out;
}

@keyframes shine {
  0% { left: -60%; }
  15%, 100% { left: 130%; }
}

.btn-cta:hover {
  transform: translateY(-5px) scale(1.015);
  box-shadow: 0 20px 40px rgba(0, 139, 211, 0.4);
  filter: brightness(1.08);
}

.btn-cta:active {
  transform: translateY(-2px);
}

/* CTA 補足テキスト */
.cta-subtext {
  font-size: 0.95rem;
  color: var(--color-text-sub);
  margin-top: 18px;
  font-weight: 500;
}

/* 価格表示 */
.price-tag {
  text-align: center;
  margin-bottom: 24px;
}

.price-tag .label {
  font-size: 0.95rem;
  color: var(--color-text-sub);
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.price-tag .value {
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-primary-dark);
  font-family: var(--font-decor);
}

.price-tag .value span {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-left: 6px;
  font-family: var(--font-sans);
}

/* 右側固定のフローティングバー */
.floating-sidebar {
  position: fixed;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  z-index: 100;
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.floating-tab {
  background-color: var(--color-primary-dark);
  color: #FFFFFF !important;
  writing-mode: vertical-rl;
  padding: 28px 14px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-align: center;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  cursor: pointer;
}

.floating-tab:first-child {
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.floating-tab:hover {
  background: var(--color-accent);
  padding-right: 22px; /* 少しスライドイン */
}

/* ==========================================================================
   5. セクション個別スタイリング
   ========================================================================== */

/* --- 1. ファーストビュー --- */
.hero {
  background: linear-gradient(135deg, #FFFFFF 0%, #F0F6FC 40%, #D8ECFD 100%);
  padding: 180px 0 140px;
  text-align: left;
  clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
  overflow: hidden;
}

.hero-content {
  max-width: 880px;
}

.hero-sub {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 24px;
  letter-spacing: 0.2em;
  font-family: var(--font-decor);
}

.hero-title {
  font-size: 2.5rem;
  line-height: 1.5;
  font-weight: 900;
  margin-bottom: 40px;
  color: var(--color-text-main);
  letter-spacing: 0.05em;
  word-break: keep-all;
  overflow-wrap: normal;
}

.hero-title span {
  display: block;
  margin-bottom: 8px;
}

.hero-title strong {
  background: linear-gradient(120deg, var(--color-primary-dark) 30%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
  display: inline-block;
}

.hero-title strong::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 6px;
  width: 100%;
  height: 8px;
  background-color: rgba(0, 179, 164, 0.15);
  z-index: -1;
  border-radius: var(--radius-full);
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--color-text-sub);
  margin-bottom: 54px;
  line-height: 1.95;
  font-weight: 500;
}

/* --- 2. 共感パート --- */
.sympathy-intro {
  text-align: center;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 56px;
  color: var(--color-text-sub);
}

.problem-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .problem-list {
    grid-template-columns: 1fr 1fr;
  }
}

.problem-item {
  background: var(--color-glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-glass-border);
  padding: 26px 32px;
  border-radius: var(--radius-sm);
  border-left: 6px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-main);
  transition: var(--transition-smooth);
}

.problem-item:hover {
  transform: translateX(6px);
  background-color: rgba(255, 255, 255, 0.7);
  border-color: rgba(0, 139, 211, 0.3);
  box-shadow: var(--shadow-md);
}

.problem-item::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 24px;
  background-color: var(--color-primary-light);
  border-radius: 50%;
  color: var(--color-primary);
  content: '✓';
  font-weight: 900;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 20px;
  flex-shrink: 0;
}

/* --- 3. 原因パート --- */
.reason-box {
  background: var(--color-glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  padding: 56px 48px;
  box-shadow: var(--shadow-lg);
  border-top: 6px solid var(--color-primary-dark);
}

.reason-title {
  font-size: 1.85rem;
  color: var(--color-primary-dark);
  margin-bottom: 36px;
  font-weight: 900;
  line-height: 1.45;
}

.reason-desc {
  font-size: 1.05rem;
  line-height: 1.95;
  color: var(--color-text-main);
}

.reason-desc p {
  margin-bottom: 24px;
}

.reason-desc p:last-child {
  margin-bottom: 0;
}

/* --- 4. セッション紹介 & コンセプト --- */
.concept-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: #FFFFFF;
  padding: 10px 24px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 28px;
  letter-spacing: 0.15em;
  border-radius: var(--radius-full);
  font-family: var(--font-decor);
}

.concept-title {
  font-size: 2.25rem;
  color: var(--color-text-main);
  margin-bottom: 40px;
  line-height: 1.45;
  font-weight: 900;
}

/* --- 5. 得られるもの --- */
.grid-2col {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 768px) {
  .grid-2col {
    grid-template-columns: 1fr 1fr;
  }
}

.benefit-card {
  background: var(--color-glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-sm);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.benefit-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
  background: rgba(255, 255, 255, 0.65);
}

.benefit-num {
  font-family: var(--font-decor);
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 20px;
  display: block;
  line-height: 1;
}

.benefit-title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 18px;
  color: var(--color-text-main);
}

.benefit-desc {
  font-size: 0.95rem;
  color: var(--color-text-sub);
  line-height: 1.75;
}

/* --- 6. Before / After --- */
.ba-container {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-top: 48px;
}

.ba-row {
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  position: relative;
}

@media (min-width: 768px) {
  .ba-row {
    flex-direction: row;
  }
}

.ba-col {
  padding: 40px;
  flex: 1;
  position: relative;
  z-index: 2;
}

.ba-before {
  background-color: #F3F5F7;
  color: var(--color-text-sub);
  border-right: 1px solid rgba(0, 139, 211, 0.05);
}

.ba-after {
  background: linear-gradient(135deg, rgba(0,185,179,0.03) 0%, rgba(0,139,211,0.08) 100%);
  color: var(--color-text-main);
}

.ba-badge {
  font-size: 0.8rem;
  font-weight: 800;
  padding: 6px 18px;
  display: inline-block;
  margin-bottom: 20px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
}

.ba-before .ba-badge {
  background-color: #E2E8F0;
  color: var(--color-text-sub);
}

.ba-after .ba-badge {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(0, 179, 164, 0.2);
}

.ba-text {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.85;
}

.ba-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  color: var(--color-primary);
  font-size: 2.25rem;
  z-index: 5;
}

@media (min-width: 768px) {
  .ba-arrow {
    padding: 0;
    font-size: 1.8rem;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--color-bg-white);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
  }
}

/* --- 7. なぜ重要か --- */
.importance-highlight {
  border-left: 6px solid var(--color-primary);
  background-color: var(--color-primary-light);
  padding: 24px 30px;
  margin: 36px 0;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-primary-dark);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* --- 8. セッション詳細 --- */
.details-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 36px;
}

.details-table tr {
  border-bottom: 1px solid var(--color-border);
}

.details-table tr:last-child {
  border-bottom: none;
}

.details-table th, .details-table td {
  padding: 26px 20px;
  text-align: left;
}

.details-table th {
  font-weight: 800;
  color: var(--color-primary-dark);
  width: 22%;
  font-size: 1.05rem;
}

.details-table td {
  color: var(--color-text-main);
  font-size: 1rem;
  line-height: 1.9;
}

/* --- 9 & 10. おすすめの方 / 合わない方 --- */
.target-box {
  background: var(--color-glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  padding: 48px 40px;
  box-shadow: var(--shadow-sm);
  height: 100%;
  transition: var(--transition-smooth);
}

.target-box:hover {
  background: rgba(255, 255, 255, 0.65);
  box-shadow: var(--shadow-md);
}

.target-box-alt {
  background-color: rgba(243, 245, 247, 0.6);
}

.target-title {
  font-size: 1.4rem;
  font-weight: 900;
  margin-bottom: 30px;
  display: flex;
  align-items: center;
}

.target-title::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 26px;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-accent) 100%);
  margin-right: 16px;
  border-radius: var(--radius-full);
}

.target-title.not-fit::before {
  background: var(--color-text-sub);
}

.target-list {
  list-style: none;
}

.target-list li {
  position: relative;
  padding-left: 32px;
  margin-bottom: 18px;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.75;
}

.target-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 900;
  font-size: 1.15rem;
}

.target-list.not-fit li::before {
  content: '×';
  color: var(--color-text-sub);
  font-weight: 700;
  font-size: 1.25rem;
}

/* --- 11. FAQ --- */
.faq-item {
  background: var(--color-glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-item:hover {
  background-color: rgba(255, 255, 255, 0.6);
  border-color: rgba(0, 139, 211, 0.3);
}

.faq-item summary {
  padding: 26px 36px;
  font-weight: 700;
  font-size: 1.1rem;
  cursor: pointer;
  outline: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.85rem;
  color: var(--color-primary);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
  color: var(--color-accent);
}

.faq-content {
  padding: 0 36px 28px;
  font-size: 1rem;
  color: var(--color-text-sub);
  border-top: 1px solid var(--color-border);
  padding-top: 28px;
  line-height: 1.85;
}

/* --- 12. プロフィール --- */
.profile-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
  text-align: center;
}

@media (min-width: 768px) {
  .profile-container {
    flex-direction: row;
    text-align: left;
    align-items: flex-start;
  }
}

.profile-img {
  width: 200px;
  height: 200px;
  border-radius: var(--radius-md);
  object-fit: cover;
  border: 4px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-md);
}

.profile-info {
  flex: 1;
}

.profile-name {
  font-size: 1.85rem;
  font-weight: 900;
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}

.profile-title {
  font-size: 1.05rem;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: 0.12em;
}

.profile-text {
  font-size: 1rem;
  color: var(--color-text-sub);
  line-height: 1.9;
}

/* --- 13. サンクスページ専用 --- */
.thanks-section {
  background: linear-gradient(135deg, #FFFFFF 0%, #EAF4FC 50%, #D8ECFD 100%);
  clip-path: polygon(0 0, 100% 0, 100% 95%, 0 100%);
  padding: 180px 0 120px;
  overflow: hidden;
  position: relative;
}
.thanks-container {
  text-align: center;
  padding: 80px 0;
}

.thanks-header {
  margin-bottom: 60px;
}

.thanks-icon {
  width: 90px;
  height: 90px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: #FFFFFF;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  margin-bottom: 36px;
  box-shadow: 0 8px 24px rgba(0, 179, 164, 0.25);
}

.thanks-title {
  font-size: 2.75rem;
  font-weight: 900;
  color: var(--color-text-main);
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}

.thanks-intro {
  font-size: 1.15rem;
  color: var(--color-text-sub);
}

.steps-container {
  margin: 60px 0;
  text-align: left;
}

.step-card {
  background: var(--color-glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  padding: 48px;
  box-shadow: var(--shadow-md);
  margin-bottom: 36px;
  position: relative;
  border-top: 5px solid var(--color-primary);
}

.step-num {
  position: absolute;
  top: -16px;
  left: 36px;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 6px 24px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  letter-spacing: 0.15em;
}

.step-title {
  font-size: 1.45rem;
  font-weight: 900;
  margin-bottom: 20px;
  margin-top: 8px;
  color: var(--color-text-main);
}

.step-desc {
  font-size: 1.05rem;
  color: var(--color-text-sub);
  margin-bottom: 30px;
  line-height: 1.85;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #FFFFFF !important;
  font-weight: 700;
  font-size: 1.15rem;
  padding: 20px 48px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-btn);
  transition: var(--transition);
  width: 100%;
  max-width: 440px;
  margin: 0 auto;
}

.btn-secondary:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 15px 35px rgba(0, 139, 211, 0.35);
  filter: brightness(1.08);
}

.warning-box {
  background-color: #FFF6F6;
  border: 1px solid #FED7D7;
  border-radius: var(--radius-sm);
  padding: 36px;
  margin-top: 48px;
  text-align: left;
}

.warning-title {
  color: #C53030;
  font-weight: 900;
  font-size: 1.15rem;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
}

.warning-title::before {
  content: '⚠️';
  margin-right: 12px;
}

.warning-desc {
  font-size: 1rem;
  color: var(--color-text-main);
  line-height: 1.85;
}

/* --- ヘッダー & フッター --- */
.site-header {
  background-color: transparent;
  position: absolute;
  width: 100%;
  top: 0;
  left: 0;
  z-index: 100;
}
.site-header-container {
  padding: 24px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.site-header-logo {
  font-family: var(--font-decor);
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--color-primary-dark);
  letter-spacing: 0.1em;
}
.site-header-sub {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text-sub);
  letter-spacing: 0.05em;
}
.site-footer {
  background-color: var(--color-text-main);
  color: #FFFFFF;
  padding: 50px 0;
  text-align: center;
  font-size: 0.85rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}

/* ==========================================================================
   6. スクロールフェードインアニメーション用クラス
   ========================================================================== */
.fade-in-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }

/* ==========================================================================
   7. レスポンシブ対応の調整
   ========================================================================== */
@media (max-width: 768px) {
  body {
    font-size: 0.95rem;
  }
  
  section {
    padding: 80px 0;
  }
  
  .section-title {
    font-size: 1.95rem;
    margin-bottom: 48px;
  }
  
  .hero {
    padding: 130px 0 100px;
    clip-path: none; /* スマホでは崩れを防ぐためにclipを無効に */
  }
  
  .hero-title {
    font-size: 1.6rem;
    line-height: 1.5;
    word-break: break-all;
    overflow-wrap: break-word;
  }
  .hero-title span {
    display: inline;
  }
  
  .btn-cta {
    font-size: 1.15rem;
    padding: 20px 28px;
  }
  
  .details-table th {
    width: 30%;
    font-size: 0.95rem;
    padding: 18px 8px;
  }
  
  .details-table td {
    font-size: 0.95rem;
    padding: 18px 8px;
  }
  
  .target-box {
    padding: 36px 24px;
  }
  
  .floating-sidebar {
    display: none;
  }

  .blob {
    filter: blur(80px);
  }
  .blob-1 { width: 300px; height: 300px; }
  .blob-2 { width: 350px; height: 350px; }
  .blob-3 { width: 280px; height: 280px; }
}