/* ===== リセット & ベース ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary: #e63946;
  --secondary: #1d3557;
  --accent: #f4a261;
  --dark: #0a0a0f;
  --dark2: #111118;
  --text: #e8e8f0;
  --text-muted: #8888a8;
  --gold: #ffd700;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
  background: var(--dark);
  color: var(--text);
  line-height: 1.7;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== ヘッダー ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(230, 57, 70, 0.2);
}

.nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.05em;
}

.nav-instagram {
  display: flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
  color: #fff;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 100px;
  transition: opacity 0.2s, transform 0.2s;
  white-space: nowrap;
}

.nav-instagram:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 32px;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text);
}

/* ===== ヒーロー ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 24px 60px;
  max-width: 1100px;
  margin: 0 auto;
  gap: 48px;
}

.hero-content {
  flex: 1;
}

.hero-badge {
  display: inline-block;
  background: rgba(230, 57, 70, 0.15);
  border: 1px solid rgba(230, 57, 70, 0.4);
  color: var(--primary);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  line-height: 1.9;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(230, 57, 70, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: border-color 0.2s, background 0.2s;
}

.btn-secondary:hover {
  border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.05);
}

.hero-instagram {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  padding: 16px 28px;
  background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
  border-radius: 12px;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(220, 39, 67, 0.4);
}

.hero-instagram:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(220, 39, 67, 0.6);
}

.hero-instagram-handle {
  font-size: 0.85rem;
  opacity: 0.85;
  font-weight: 400;
}

/* ターゲットアニメーション */
.hero-visual {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.target-animation {
  position: relative;
  width: 320px;
  height: 320px;
}

.target-ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: pulse 3s ease-in-out infinite;
}

.ring-1 { width: 320px; height: 320px; border-color: rgba(230,57,70,0.15); animation-delay: 0s; }
.ring-2 { width: 230px; height: 230px; border-color: rgba(230,57,70,0.3); animation-delay: 0.2s; }
.ring-3 { width: 150px; height: 150px; border-color: rgba(230,57,70,0.5); animation-delay: 0.4s; }
.ring-4 { width: 80px; height: 80px; border-color: rgba(230,57,70,0.8); animation-delay: 0.6s; }

.target-center {
  position: absolute;
  width: 24px;
  height: 24px;
  background: var(--primary);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 20px var(--primary);
}

.bullet-hole {
  position: absolute;
  width: 10px;
  height: 10px;
  background: #fff;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: shoot 2s ease-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.03); }
}

@keyframes shoot {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(3); }
  20% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

/* ===== セクション共通 ===== */
section {
  padding: 100px 0;
}

.section-label {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  margin-bottom: 48px;
}

/* ===== 選手紹介 ===== */
.about {
  background: var(--dark2);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.about-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 36px;
  text-align: center;
}

.athlete-avatar {
  font-size: 4rem;
  margin-bottom: 16px;
}

.about-card h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.about-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.stats {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.stat-number {
  display: block;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--primary);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.about-message blockquote {
  font-size: 1.2rem;
  line-height: 2;
  font-weight: 700;
  color: var(--text);
  border-left: 3px solid var(--primary);
  padding-left: 20px;
  margin-bottom: 32px;
  font-style: italic;
}

.goal-section h4 {
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 16px;
}

.goal-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.goal-list li {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* ===== タイムライン ===== */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary), rgba(230,57,70,0.1));
}

.timeline-item {
  position: relative;
  margin-bottom: 48px;
}

.timeline-dot {
  position: absolute;
  left: -34px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  border: 2px solid rgba(255,255,255,0.3);
}

.timeline-dot.active {
  background: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 0 12px var(--primary);
}

.timeline-dot.future {
  background: transparent;
  border-color: rgba(255,255,255,0.2);
  border-style: dashed;
}

.timeline-year {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--primary);
  font-weight: 700;
}

.timeline-content h4 {
  font-size: 1.15rem;
  margin: 6px 0 8px;
}

.timeline-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ===== 応援セクション ===== */
.cheer {
  background: var(--dark2);
}

.cheer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.cheer-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  transition: border-color 0.2s, transform 0.2s;
}

.cheer-card:hover {
  border-color: rgba(230,57,70,0.4);
  transform: translateY(-4px);
}

.cheer-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.cheer-card h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.cheer-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.btn-cheer {
  background: rgba(230,57,70,0.15);
  border: 1px solid rgba(230,57,70,0.4);
  color: var(--primary);
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: background 0.2s;
}

.btn-cheer:hover {
  background: rgba(230,57,70,0.3);
}

/* ===== メッセージ ===== */
.message-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.message-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.2s;
  resize: none;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.messages-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.message-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 20px;
}

.message-author {
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 8px;
}

.message-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ===== フッター ===== */
.footer {
  background: var(--dark2);
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 48px 24px;
  text-align: center;
}

.footer-logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}

.footer p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-sns {
  margin-top: 20px;
}

.instagram-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #e1306c;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 10px 20px;
  border: 1px solid rgba(225, 48, 108, 0.4);
  border-radius: 100px;
  transition: background 0.2s, border-color 0.2s;
}

.instagram-link:hover {
  background: rgba(225, 48, 108, 0.15);
  border-color: rgba(225, 48, 108, 0.8);
}

.footer-copy {
  margin-top: 24px;
  font-size: 0.8rem !important;
}

/* ===== レスポンシブ ===== */
@media (max-width: 768px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 120px;
  }

  .hero-buttons {
    justify-content: center;
  }

  .about-grid,
  .message-container {
    grid-template-columns: 1fr;
  }

  .cheer-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }

  .target-animation {
    width: 220px;
    height: 220px;
  }

  .ring-1 { width: 220px; height: 220px; }
  .ring-2 { width: 160px; height: 160px; }
  .ring-3 { width: 100px; height: 100px; }
  .ring-4 { width: 54px; height: 54px; }
}