/* ================================================
   湯川寛之オフィシャルサイト CSS
   枝野幸男サイト構造 + 国民民主党カラー
   ================================================ */

/* ========== VARIABLES ========== */
:root {
  /* 国民民主党カラー */
  --primary-blue: #0051A5;
  --primary-yellow: #FFD700;
  --dark-blue: #003d7a;
  --light-blue: #4a90d3;
  
  /* Gray scale */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Typography */
  --font-sans: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ========== RESET ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-sans);
  color: var(--gray-900);
  font-size: 16px;
  line-height: 1.8;
  background: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

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

ul {
  list-style-position: inside;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ========== HEADER ========== */
.site-header {
  position: sticky;
  top: 0;
  background: #fff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

.header-top {
  background: #fff;
  border-bottom: 3px solid var(--primary-yellow);
}

.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.party-logo img {
  height: 50px;
  width: auto;
  display: block;
}

.header-nav {
  display: flex;
  gap: 30px;
  align-items: center;
}

.nav-link {
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-700);
  position: relative;
  padding: 5px 0;
}

.nav-link:hover {
  color: var(--primary-blue);
}

.support-link {
  background: var(--primary-yellow);
  color: var(--primary-blue);
  padding: 10px 24px;
  border-radius: 4px;
  font-weight: 900;
}

.support-link:hover {
  background: var(--primary-blue);
  color: #fff;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--primary-blue);
  transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 73px;
  left: 0;
  right: 0;
  background: #fff;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  z-index: 999;
}

.mobile-menu.active {
  max-height: 500px;
}

.mobile-menu-inner {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.mobile-nav-link {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-700);
  padding: 12px;
  border-bottom: 1px solid var(--gray-200);
}

.mobile-nav-link:hover {
  color: var(--primary-blue);
  background: var(--gray-50);
}

@media (max-width: 768px) {
  .header-nav {
    display: none;
  }
  
  .menu-toggle {
    display: flex;
  }
}

/* ========== HERO IMAGE SECTION ========== */
.hero-image-section {
  position: relative;
  width: 100%;
  height: 600px;
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
  overflow: hidden;
  margin-top: -73px;
  padding-top: 73px;
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
  height: 600px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-upload-label {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary-blue);
  padding: 15px 30px;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
}

.hero-upload-label:hover {
  background: var(--primary-yellow);
  color: var(--primary-blue);
}

.hero-overlay {
  position: absolute;
  bottom: 80px;
  left: 0;
  right: 0;
  z-index: 2;
}

.hero-name-plate {
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(10px);
  padding: 30px;
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.hero-location {
  color: var(--primary-yellow);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 3px;
  margin-bottom: 10px;
}

.hero-name {
  color: #fff;
  font-size: 52px;
  font-weight: 900;
  margin-bottom: 10px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-kana {
  color: var(--primary-yellow);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 8px;
  margin-bottom: 20px;
}

.hero-catchphrase {
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 2px;
}

@media (max-width: 768px) {
  .hero-image-section {
    height: 500px;
  }
  
  .hero-name {
    font-size: 36px;
  }
  
  .hero-kana {
    font-size: 16px;
  }
  
  .hero-catchphrase {
    font-size: 18px;
  }
  
  .hero-name-plate {
    padding: 20px;
  }
}

/* ========== TOPICS SECTION ========== */
.topics-section {
  background: var(--gray-50);
  padding: 60px 0;
}

.topics-header {
  margin-bottom: 40px;
}

.topics-title {
  font-size: 32px;
  font-weight: 900;
  color: var(--primary-blue);
  border-left: 6px solid var(--primary-yellow);
  padding-left: 20px;
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 30px;
}

.topic-item {
  background: #fff;
  padding: 25px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.topic-item:hover {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
}

.topic-date {
  color: var(--gray-500);
  font-size: 14px;
  font-weight: 500;
  display: block;
  margin-bottom: 10px;
}

.topic-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-blue);
  margin-bottom: 10px;
}

.topic-text {
  color: var(--gray-700);
  font-size: 15px;
  line-height: 1.7;
}

.topics-more {
  text-align: right;
}

.more-link {
  color: var(--primary-blue);
  font-weight: 700;
  font-size: 16px;
}

.more-link:hover {
  color: var(--dark-blue);
}

/* ========== SECTION COMMON ========== */
.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-title {
  font-size: 36px;
  font-weight: 900;
  color: var(--primary-blue);
  margin-bottom: 10px;
}

.section-subtitle {
  color: var(--gray-600);
  font-size: 16px;
  font-weight: 500;
}

/* ========== VISION SECTION ========== */
.vision-section {
  padding: 80px 0;
  background: #fff;
}

.vision-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
  align-items: start;
}

.vision-image {
  width: 100%;
  height: 400px;
  background: var(--gray-200);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  position: relative;
}

.image-upload-label {
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary-blue);
  padding: 12px 24px;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
}

.image-upload-label:hover {
  background: var(--primary-yellow);
  color: var(--primary-blue);
}

.vision-text {
  color: var(--gray-700);
}

.vision-lead {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-blue);
  margin-bottom: 20px;
}

.vision-text p {
  margin-bottom: 15px;
  line-height: 1.9;
}

.vision-emphasis {
  background: var(--gray-50);
  border-left: 4px solid var(--primary-yellow);
  padding: 20px;
  margin-top: 30px;
  font-weight: 700;
  color: var(--primary-blue);
}

@media (max-width: 768px) {
  .vision-content {
    grid-template-columns: 1fr;
  }
  
  .vision-image {
    height: 300px;
  }
}

/* ========== POLICY SECTION ========== */
.policy-section {
  padding: 80px 0;
  background: var(--gray-50);
}

.policy-card {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  margin-bottom: 40px;
  overflow: hidden;
  border-top: 6px solid var(--primary-blue);
}

.policy-number {
  background: var(--primary-blue);
  color: var(--primary-yellow);
  font-size: 48px;
  font-weight: 900;
  width: 100px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin: 30px auto 20px;
}

.policy-content {
  padding: 0 40px 40px;
}

.policy-title {
  font-size: 28px;
  font-weight: 900;
  color: var(--primary-blue);
  text-align: center;
  margin-bottom: 30px;
}

.policy-image {
  width: 100%;
  height: 300px;
  background: var(--gray-200);
  border-radius: 8px;
  margin-bottom: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
}

.policy-description {
  color: var(--gray-700);
}

.policy-lead {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-blue);
  margin-bottom: 30px;
  line-height: 1.8;
}

.policy-points {
  background: var(--gray-50);
  padding: 30px;
  border-radius: 8px;
}

.policy-points h4 {
  font-size: 20px;
  font-weight: 900;
  color: var(--primary-blue);
  margin-bottom: 20px;
  border-bottom: 2px solid var(--primary-yellow);
  padding-bottom: 10px;
}

.policy-points ul {
  list-style: none;
}

.policy-points li {
  margin-bottom: 20px;
  padding-left: 30px;
  position: relative;
  line-height: 1.8;
}

.policy-points li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary-yellow);
  font-weight: 900;
  font-size: 20px;
}

.policy-points li strong {
  color: var(--primary-blue);
  font-weight: 700;
  display: block;
  margin-bottom: 5px;
}

@media (max-width: 768px) {
  .policy-content {
    padding: 0 20px 30px;
  }
  
  .policy-title {
    font-size: 22px;
  }
  
  .policy-image {
    height: 200px;
  }
}

/* ========== PROJECTS SECTION ========== */
.projects-section {
  padding: 80px 0;
  background: #fff;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.project-item {
  background: var(--gray-50);
  border: 2px solid var(--gray-200);
  border-radius: 8px;
  padding: 30px;
  text-align: center;
  transition: all 0.3s ease;
}

.project-item:hover {
  border-color: var(--primary-yellow);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.project-number {
  background: var(--primary-blue);
  color: var(--primary-yellow);
  font-size: 32px;
  font-weight: 900;
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin: 0 auto 20px;
}

.project-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-blue);
  margin-bottom: 15px;
  line-height: 1.6;
}

.project-desc {
  color: var(--gray-700);
  font-size: 14px;
  line-height: 1.7;
}

/* ========== REPORT SECTION ========== */
.report-section {
  padding: 80px 0;
  background: var(--gray-50);
}

.report-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
  align-items: center;
}

.report-image {
  width: 100%;
  height: 400px;
  background: var(--gray-200);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
}

.report-text p {
  color: var(--gray-700);
  margin-bottom: 20px;
  line-height: 1.9;
}

.report-actions {
  display: flex;
  gap: 15px;
  margin-top: 30px;
}

@media (max-width: 768px) {
  .report-content {
    grid-template-columns: 1fr;
  }
  
  .report-image {
    height: 300px;
  }
  
  .report-actions {
    flex-direction: column;
  }
}

/* ========== ACTIVITY SECTION ========== */
.activity-section {
  padding: 80px 0;
  background: #fff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  margin-bottom: 60px;
}

.stat-card {
  text-align: center;
  background: var(--primary-blue);
  color: #fff;
  padding: 40px 20px;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.stat-number {
  font-size: 48px;
  font-weight: 900;
  color: var(--primary-yellow);
  margin-bottom: 10px;
}

.stat-label {
  font-size: 16px;
  font-weight: 700;
}

.activity-content {
  max-width: 900px;
  margin: 0 auto;
}

.activity-subtitle {
  font-size: 24px;
  font-weight: 900;
  color: var(--primary-blue);
  margin-bottom: 30px;
  text-align: center;
}

.activity-list {
  display: grid;
  gap: 25px;
}

.activity-item {
  display: flex;
  gap: 20px;
  background: var(--gray-50);
  padding: 25px;
  border-radius: 8px;
  border-left: 4px solid var(--primary-yellow);
}

.activity-icon {
  font-size: 32px;
  flex-shrink: 0;
}

.activity-detail h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-blue);
  margin-bottom: 10px;
}

.activity-detail p {
  color: var(--gray-700);
  line-height: 1.7;
}

/* ========== PROFILE SECTION ========== */
.profile-section {
  padding: 80px 0;
  background: var(--gray-50);
}

.profile-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
  align-items: start;
}

.profile-image {
  width: 100%;
  height: 400px;
  background: var(--gray-200);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
}

.profile-text {
  color: var(--gray-700);
}

.profile-info {
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--primary-yellow);
}

.profile-info h3 {
  font-size: 28px;
  font-weight: 900;
  color: var(--primary-blue);
  margin-bottom: 10px;
}

.profile-role {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-600);
}

.profile-details h4 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-blue);
  margin-top: 30px;
  margin-bottom: 15px;
}

.profile-details ul {
  margin-left: 20px;
  margin-bottom: 15px;
}

.profile-details li {
  margin-bottom: 10px;
  line-height: 1.7;
}

.profile-details p {
  margin-bottom: 15px;
  line-height: 1.9;
}

@media (max-width: 768px) {
  .profile-content {
    grid-template-columns: 1fr;
  }
  
  .profile-image {
    height: 300px;
  }
}

/* ========== SUPPORT SECTION ========== */
.support-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
  color: #fff;
}

.support-section .section-title {
  color: #fff;
}

.support-section .section-subtitle {
  color: var(--primary-yellow);
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.support-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  padding: 40px 30px;
  text-align: center;
  transition: all 0.3s ease;
}

.support-card:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--primary-yellow);
  transform: translateY(-4px);
}

.support-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.support-card h3 {
  font-size: 20px;
  font-weight: 900;
  color: var(--primary-yellow);
  margin-bottom: 15px;
}

.support-card p {
  color: #fff;
  margin-bottom: 20px;
  font-size: 14px;
}

.sns-links {
  display: flex;
  gap: 10px;
  justify-content: center;
}

.sns-links a {
  background: var(--primary-yellow);
  color: var(--primary-blue);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-weight: 700;
  font-size: 14px;
}

.sns-links a:hover {
  background: #fff;
  color: var(--primary-blue);
}

/* ========== FOOTER ========== */
.site-footer {
  background: var(--gray-900);
  color: #fff;
  padding: 60px 0 30px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 30px;
}

.footer-logo {
  flex: 1;
  min-width: 250px;
}

.footer-name {
  font-size: 28px;
  font-weight: 900;
  color: var(--primary-yellow);
  margin-bottom: 5px;
}

.footer-party {
  color: var(--gray-400);
  font-size: 14px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-nav a {
  color: var(--gray-300);
  font-size: 14px;
  font-weight: 500;
}

.footer-nav a:hover {
  color: var(--primary-yellow);
}

.footer-bottom {
  border-top: 1px solid var(--gray-700);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

.footer-address,
.footer-copyright {
  color: var(--gray-400);
  font-size: 13px;
}

@media (max-width: 768px) {
  .footer-content {
    flex-direction: column;
  }
  
  .footer-nav {
    flex-direction: column;
    gap: 10px;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ========== BUTTONS ========== */
.btn-primary {
  display: inline-block;
  background: var(--primary-blue);
  color: #fff;
  padding: 12px 32px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 15px;
  text-align: center;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background: var(--dark-blue);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
  display: inline-block;
  background: #fff;
  color: var(--primary-blue);
  border: 2px solid var(--primary-blue);
  padding: 12px 32px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 15px;
  text-align: center;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: var(--primary-blue);
  color: #fff;
}

/* ========== UTILITIES ========== */
@media (max-width: 480px) {
  .section-title {
    font-size: 28px;
  }
  
  .topics-title {
    font-size: 24px;
  }
}