﻿/* ========================================
   TEN FIELDS FACTORY - 繁體中文サイト
   共通スタイルシート
======================================== */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@300;400;500;700;900&family=Montserrat:wght@400;600;700;800;900&display=swap');

/* --- CSS変数 --- */
:root {
  --navy: #0D2B5E;
  --navy-light: #1461A8;
  --navy-dark: #072054;
  --gold: #1461A8;
  --gold-light: #3E8FD9;
  --gold-pale: #EBF3FB;
  --blue-section: #F0F6FF;
  --green: #4DB848;
  --green-light: #6CC24A;
  --green-pale: #F0FAE8;
  --cta: #F97316;
  --cta-hover: #EA6C0A;
  --red: #DC2626;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #9CA3AF;
  --gray-400: #4B5563;
  --gray-600: #1F2937;
  --gray-800: #1F2937;
  --white: #FFFFFF;
  --line-green: #06C755;
  --wechat-green: #07C160;
  --whatsapp-green: #25D366;
  --font-cn: 'Noto Sans TC', 'PingFang TC', 'Microsoft JhengHei', sans-serif;
  --font-en: 'Montserrat', sans-serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.07);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.10);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.13);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- リセット & ベース --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 17px; }
body {
  font-family: var(--font-cn);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul { list-style: none; }
button { cursor: pointer; font-family: var(--font-cn); border: none; outline: none; }

/* --- ユーティリティ --- */
.container { width: 100%; max-width: none; margin: 0 auto; padding: 0 5%; }
.container-wide { width: 100%; max-width: none; margin: 0 auto; padding: 0 5%; }
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.section-lg { padding: 140px 0; }
.text-center { text-align: center; }
.text-gold { color: var(--gold); }
.text-navy { color: var(--navy); }
.text-green { color: var(--green); }
.bg-navy { background: var(--blue-section); }
.bg-gray { background: var(--gray-50); }
.bg-gold-pale { background: var(--gold-pale); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }

/* --- タイポグラフィ --- */
.section-label {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
  border-bottom: 2px solid var(--green);
  padding-bottom: 4px;
}
.section-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  color: var(--navy);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}
.section-title-white {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 18px;
  color: var(--gray-600);
  max-width: 640px;
  margin: 0 auto 56px;
  line-height: 1.8;
}
.section-desc-white {
  font-size: 18px;
  color: rgba(255,255,255,0.70);
  max-width: 640px;
  margin: 0 auto 56px;
  line-height: 1.8;
}

/* --- ヘッダー / ナビゲーション --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition);
}
.site-header.scrolled {
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--gray-200);
}
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  height: 72px;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-logo-emblem img {
  width: 200px;
}
.nav-logo-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.nav-logo-en {
  font-family: var(--font-cn);
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.03em;
  line-height: 1;
}
.nav-logo-cn {
  font-family: var(--font-en);
  font-size: 9px;
  color: var(--gray-400);
  letter-spacing: 0.13em;
  line-height: 1;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-links li a {
  font-size: 15px;
  color: var(--gray-600);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}
.nav-links li a:hover,
.nav-links li a.active {
  color: var(--navy);
  background: var(--gray-100);
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 8px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* モバイルメニュー */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--white);
  padding: 24px;
  z-index: 999;
  border-top: 1px solid var(--gray-100);
  overflow-y: auto;
  max-height: calc(100vh - 72px);
  box-shadow: var(--shadow-lg);
}
.mobile-menu.open { display: block; }
.mobile-menu li { border-bottom: 1px solid var(--gray-100); }
.mobile-menu li a {
  display: block;
  padding: 14px 0;
  color: var(--gray-800);
  font-size: 17px;
}
.mobile-menu li a:hover { color: var(--navy); }
.mobile-menu .mobile-cta-wrap {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* --- ボタン --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary {
  background: var(--cta);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--cta-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}
.btn-outline:hover {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn-navy {
  background: var(--gold);
  color: var(--white);
}
.btn-navy:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-line {
  background: var(--line-green);
  color: var(--white);
}
.btn-line:hover {
  background: #05a84a;
  transform: translateY(-1px);
}
.btn-wechat {
  background: var(--wechat-green);
  color: var(--white);
}
.btn-wechat:hover {
  background: #06a84f;
  transform: translateY(-1px);
}
.btn-whatsapp {
  background: var(--whatsapp-green);
  color: var(--white);
}
.btn-whatsapp:hover {
  background: #1ebe5d;
  transform: translateY(-1px);
}
.btn-lg { padding: 16px 40px; font-size: 17px; }
.btn-sm { padding: 8px 16px; font-size: 15px; }
.btn-full { width: 100%; }

/* CTAセクション内のボタン調整 */
.cta-section .btn-primary {
  background: var(--white);
  color: var(--navy);
}
.cta-section .btn-primary:hover {
  background: var(--gray-100);
  transform: translateY(-1px);
}
.cta-section .btn-outline {
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}
.cta-section .btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--white);
  color: var(--white);
}

/* --- CTAバー --- */
.cta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: center;
}

/* --- ヒーロー --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--navy);
}
.hero-slider {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transform: scale(1.0);
  will-change: opacity, transform;
}
.hero-slide:nth-child(1) { animation: heroKenBurns1 20s infinite 0s; }
.hero-slide:nth-child(2) { animation: heroKenBurns2 20s infinite -15s; }
.hero-slide:nth-child(3) { animation: heroKenBurns1 20s infinite -10s; }
.hero-slide:nth-child(4) { animation: heroKenBurns2 20s infinite -5s; }
@keyframes heroKenBurns1 {
  0%   { opacity: 0; transform: scale(1.00) translate(0%, 0%); }
  5%   { opacity: 1; }
  20%  { opacity: 1; transform: scale(1.08) translate(-1%, -0.5%); }
  25%  { opacity: 0; transform: scale(1.10) translate(-1.2%, -0.6%); }
  100% { opacity: 0; transform: scale(1.00) translate(0%, 0%); }
}
@keyframes heroKenBurns2 {
  0%   { opacity: 0; transform: scale(1.00) translate(0%, 0%); }
  5%   { opacity: 1; }
  20%  { opacity: 1; transform: scale(1.08) translate(1%, 0.5%); }
  25%  { opacity: 0; transform: scale(1.10) translate(1.2%, 0.6%); }
  100% { opacity: 0; transform: scale(1.00) translate(0%, 0%); }
}
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to right, rgba(13,43,94,0.80) 0%, rgba(13,43,94,0.55) 60%, rgba(13,43,94,0.35) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 140px 0 100px;
  width: 100%;
}
.hero-label {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 24px;
}
.hero-title {
  font-size: clamp(48px, 8vw, 100px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}
.hero-title em {
  color: var(--green);
  font-style: normal;
}
.hero-desc {
  font-size: clamp(17px, 2vw, 20px);
  color: rgba(255,255,255,0.82);
  max-width: 560px;
  line-height: 1.9;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  gap: 48px;
  margin-bottom: 48px;
  padding: 28px 40px;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.20);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  max-width: 600px;
}
.hero-stat-num {
  font-family: var(--font-en);
  font-size: 32px;
  font-weight: 800;
  color: var(--white);
}
.hero-stat-label {
  font-size: 12px;
  color: rgba(255,255,255,0.65);
  margin-top: 4px;
}
.hero-stat-divider {
  width: 1px;
  background: rgba(255,255,255,0.25);
}

/* --- ページヒーロー（内部ページ用） --- */
.page-hero {
  position: relative;
  min-height: 340px;
  display: flex;
  align-items: center;
  padding-top: 72px;
  background: var(--navy-dark);
  overflow: hidden;
  border-bottom: none;
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 1;
}
.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(10, 30, 68, 0.80), rgba(10, 30, 68, 0.55));
}
.page-hero-content {
  position: relative;
  z-index: 1;
  padding: 60px 0;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  margin-bottom: 20px;
}
.breadcrumb a { color: rgba(255,255,255,0.65); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb span { color: rgba(255,255,255,0.45); }
.page-hero-title {
  font-size: clamp(32px, 5vw, 64px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}
.page-hero-desc {
  font-size: 18px;
  color: rgba(255,255,255,0.85);
  max-width: 560px;
  line-height: 1.8;
}

/* --- カード --- */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: var(--transition);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.card-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
}
.card-body { padding: 28px; }
.card-tag {
  display: inline-block;
  background: var(--gold-pale);
  color: var(--gold);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}
.card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
  line-height: 1.4;
}
.card-desc {
  font-size: 17px;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 20px;
}
.card-meta {
  display: flex;
  gap: 16px;
  font-size: 14px;
  color: var(--gray-400);
}

/* --- 投資案件カード --- */
.investment-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--gray-200);
}
.investment-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--gold);
}
.investment-card-image {
  position: relative;
  height: 240px;
  overflow: hidden;
}
.investment-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.investment-card:hover .investment-card-image img { transform: scale(1.05); }
.investment-card-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--navy);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
}
.investment-card-body { padding: 28px; }
.investment-card-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.investment-card-subtitle {
  font-size: 14px;
  color: var(--gray-400);
  margin-bottom: 16px;
}
.investment-card-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--gray-200);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 20px;
}
.investment-stat {
  background: var(--gray-50);
  padding: 12px;
  text-align: center;
}
.investment-stat-num {
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 700;
  color: var(--gold);
}
.investment-stat-label {
  font-size: 11px;
  color: var(--gray-600);
  margin-top: 2px;
}
.investment-card-desc {
  font-size: 17px;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 20px;
}

/* --- 特徴アイコンカード --- */
.feature-card {
  padding: 36px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: var(--transition);
}
.feature-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--gold-light);
  transform: translateY(-3px);
}
.feature-icon {
  width: 56px;
  height: 56px;
  background: var(--gold-pale);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 22px;
  color: var(--gold);
}
.feature-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}
.feature-desc {
  font-size: 17px;
  color: var(--gray-600);
  line-height: 1.7;
}

/* --- FAQ --- */
.faq-item {
  border-bottom: 1px solid var(--gray-200);
}
.faq-question {
  width: 100%;
  text-align: left;
  padding: 24px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--navy);
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: var(--transition);
  font-family: var(--font-cn);
}
.faq-question:hover { color: var(--gold); }
.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gray-100);
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  transition: var(--transition);
}
.faq-item.open .faq-icon {
  background: var(--navy);
  color: var(--white);
  transform: rotate(45deg);
}
.faq-answer {
  display: none;
  padding: 0 0 24px 0;
  font-size: 18px;
  color: var(--gray-600);
  line-height: 1.8;
}
.faq-answer.open { display: block; }

/* --- 比較テーブル --- */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.compare-table th {
  background: var(--navy);
  color: var(--white);
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  text-align: center;
}
.compare-table th:first-child {
  background: var(--navy-dark);
  text-align: left;
}
.compare-table th.highlight { background: var(--green); color: var(--white); }
.compare-table td {
  padding: 14px 20px;
  text-align: center;
  font-size: 15px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-800);
}
.compare-table td:first-child {
  text-align: left;
  font-weight: 500;
  background: var(--gray-50);
}
.compare-table td.highlight { background: var(--gold-pale); font-weight: 600; color: var(--navy); }
.compare-table tr:last-child td { border-bottom: none; }
.check-yes { color: var(--green); font-size: 18px; }
.check-no { color: var(--red); font-size: 18px; }
.check-partial { color: var(--gold); font-size: 18px; }

/* --- フォーム --- */
.form-group {
  margin-bottom: 24px;
}
.form-label {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 8px;
}
.form-label .required {
  color: var(--red);
  margin-left: 4px;
  font-size: 12px;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 16px;
  font-family: var(--font-cn);
  color: var(--gray-800);
  background: var(--white);
  transition: var(--transition);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(20,97,168,0.12);
}
.form-textarea { min-height: 120px; resize: vertical; }
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23475569' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
  cursor: pointer;
}
.radio-group, .checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.radio-item, .checkbox-item {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 15px;
  color: var(--gray-800);
}
.radio-item input[type="radio"],
.checkbox-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--gold);
  cursor: pointer;
}

/* --- タグ/バッジ --- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
}
.tag-gold { background: var(--gold-pale); color: var(--gold); }
.tag-navy { background: rgba(12,30,60,0.07); color: var(--navy); }
.tag-green { background: var(--green-pale); color: var(--green); }

/* --- 統計数字 --- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.stat-item {
  background: var(--white);
  padding: 40px 24px;
  text-align: center;
}
.stat-num {
  font-family: var(--font-en);
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 800;
  color: var(--navy);
  line-height: 1;
}
.stat-unit { font-size: 20px; }
.stat-label {
  font-size: 14px;
  color: var(--gray-600);
  margin-top: 8px;
  line-height: 1.4;
}

/* --- タイムライン --- */
.timeline {
  position: relative;
  padding-left: 32px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gray-200);
}
.timeline-item {
  position: relative;
  margin-bottom: 32px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -28px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gold);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 2px var(--gold);
}
.timeline-date {
  font-size: 12px;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 6px;
}
.timeline-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
}
.timeline-desc {
  font-size: 17px;
  color: var(--gray-600);
  line-height: 1.6;
}

/* --- CTAセクション --- */
.cta-section {
  background: var(--navy-dark);
  padding: 96px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(20,97,168,0.15) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-section::after {
  content: '';
  position: absolute;
  bottom: -50%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(77,184,72,0.10) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-section .container { position: relative; z-index: 1; }

/* --- サイドバーCTA（スティッキー） --- */
.sidebar-cta {
  position: fixed;
  right: 24px;
  bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 900;
}
.sidebar-cta-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  position: relative;
}
.sidebar-cta-btn:hover { transform: scale(1.10); }
.sidebar-cta-btn .tooltip {
  position: absolute;
  right: 60px;
  background: rgba(0,0,0,0.75);
  color: var(--white);
  font-size: 12px;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}
.sidebar-cta-btn:hover .tooltip { opacity: 1; }

/* --- フッター --- */
.site-footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.65);
  padding-top: 64px;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand { max-width: 320px; }
.footer-logo-emblem {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
}
.footer-logo-emblem img {
  width: 200px;
}
.footer-logo-en {
  font-family: var(--font-cn);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.footer-logo-cn {
  font-family: var(--font-en);
  font-size: 11px;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.13em;
  margin-bottom: 16px;
}
.footer-desc {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255,255,255,0.40);
  margin-bottom: 20px;
}
.footer-social {
  display: flex;
  gap: 12px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  color: rgba(255,255,255,0.45);
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--gold);
  color: var(--white);
}
.footer-col-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.10em;
  margin-bottom: 16px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links li a {
  font-size: 16px;
  color: rgba(255,255,255,0.40);
  transition: var(--transition);
}
.footer-links li a:hover { color: var(--white); }
.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: rgba(255,255,255,0.25);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom a {
  color: rgba(255,255,255,0.25);
}
.footer-bottom a:hover { color: var(--white); }

/* --- プロセスステップ --- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
}
.process-steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 10%;
  right: 10%;
  height: 1px;
  background: var(--gray-200);
  z-index: 0;
}
.process-step {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 16px;
}
.process-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--white);
  color: var(--navy);
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  border: 2px solid var(--navy);
  box-shadow: 0 0 0 6px var(--white);
}
.process-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.process-desc {
  font-size: 12px;
  color: var(--gray-600);
  line-height: 1.6;
}

/* --- 展示会カード --- */
.exhibition-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}
.exhibition-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--gold);
}
.exhibition-date-block {
  flex-shrink: 0;
  width: 100px;
  background: var(--navy);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}
.exhibition-month {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  color: rgba(255,255,255,0.65);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.exhibition-day {
  font-family: var(--font-en);
  font-size: 36px;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}
.exhibition-year {
  font-size: 11px;
  color: rgba(255,255,255,0.40);
}
.exhibition-body {
  padding: 24px 28px;
  flex: 1;
}
.exhibition-status {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
}
.status-upcoming { background: var(--green-pale); color: var(--green); }
.status-past { background: var(--gray-100); color: var(--gray-600); }
.exhibition-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.exhibition-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: var(--gray-600);
  margin-bottom: 12px;
}
.exhibition-meta i {
  color: var(--gold);
  margin-right: 4px;
}

/* --- 記事カード --- */
.article-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: var(--transition);
}
.article-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.article-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.article-body { padding: 24px; }
.article-cat {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--gold);
  background: var(--gold-pale);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
}
.article-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.4;
  margin-bottom: 10px;
}
.article-title:hover { color: var(--gold); }
.article-date {
  font-size: 12px;
  color: var(--gray-400);
}

/* --- アコーディオン（拡張） --- */
.accordion-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}
.accordion-item.open { border-color: var(--gold); }
.accordion-header {
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
  background: var(--white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--font-cn);
  transition: var(--transition);
}
.accordion-header:hover { background: var(--gray-50); }
.accordion-item.open .accordion-header { background: var(--gold-pale); color: var(--navy); }
.accordion-body {
  display: none;
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.8;
  background: var(--white);
}
.accordion-body.open { display: block; }

/* --- アニメーション --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.animate-fade-up { animation: fadeInUp 0.6s ease forwards; }
.animate-fade { animation: fadeIn 0.6s ease forwards; }
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }

/* ========================================
   レスポンシブ
======================================== */
@media (max-width: 1280px) {
  .footer-top { grid-template-columns: repeat(3, 1fr); gap: 32px; }
  .footer-brand { grid-column: 1 / -1; max-width: none; }
  .process-steps { grid-template-columns: repeat(3, 1fr); }
  .process-steps::before { display: none; }
  .process-step { margin-bottom: 32px; }
}

@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-logo-emblem img { width: 160px; }
  .footer-logo-emblem img { width: 160px; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .section-lg { padding: 80px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 20px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .footer-col-title { font-size: 10px; letter-spacing: 0.06em; margin-bottom: 10px; }
  .footer-links li { margin-bottom: 7px; }
  .footer-links li a { font-size: 12px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .process-steps { grid-template-columns: 1fr; }
  .exhibition-card { flex-direction: column; }
  .exhibition-date-block { width: 100%; flex-direction: row; gap: 12px; padding: 16px 20px; }
  .compare-table { font-size: 12px; }
  .compare-table th, .compare-table td { padding: 10px 12px; }
  .cta-bar { flex-direction: column; align-items: stretch; }
  .cta-bar .btn { justify-content: center; }
  .sidebar-cta { right: 12px; bottom: 16px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .navbar { padding: 0 16px; }
  .btn-lg { padding: 14px 24px; font-size: 14px; }
  .hero-title { font-size: 40px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .investment-card-stats { grid-template-columns: 1fr 1fr 1fr; }
  .nav-logo-emblem img { width: 130px; }
  .footer-logo-emblem img { width: 130px; }
}
