/* ===================================================================
   末法万年尽未来祭 - スタイルシート（最終修正版）
   大正浪漫 × パフォーマンス最適化 & バグ修正済み
   =================================================================== */

/* ===== カラーパレット ===== */
:root {
  --scarlet: #C93934;
  --antique-gold: #D3A05A;
  --ecru-white: #F3EDE4;
  --deep-indigo: #1A2540;
  --max-width: 1200px;
  --transition-elegant: 0.4s 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: 16px;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  line-height: 1.8;
  color: var(--deep-indigo);
  background-color: var(--ecru-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  cursor: none;
  position: relative;
}

/* 和紙テクスチャ（CSSノイズパターン） */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0, 0, 0, .02) 2px, rgba(0, 0, 0, .02) 4px),
    repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(0, 0, 0, .02) 2px, rgba(0, 0, 0, .02) 4px);
  opacity: 0.3;
  pointer-events: none;
  z-index: 9998;
}

/* カスタムカーソル（灯火） */
#custom-cursor {
  position: fixed;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--antique-gold) 0%, transparent 70%);
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: screen;
  transition: transform 0.15s ease, opacity 0.2s ease;
  opacity: 0;
  will-change: transform;
}

#custom-cursor::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  background: var(--antique-gold);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: flicker 3s ease-in-out infinite;
}

#custom-cursor::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  border: 1px solid var(--antique-gold);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  transition: transform 0.3s ease;
  opacity: 0.3;
}

body:hover #custom-cursor::after {
  transform: translate(-50%, -50%) scale(1);
}

@keyframes flicker {

  0%,
  100% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }

  50% {
    opacity: 0.8;
    transform: translate(-50%, -50%) scale(0.95);
  }
}

/* ===== スキップリンク ===== */
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--scarlet);
  color: var(--ecru-white);
  padding: 12px 24px;
  border-radius: 8px;
  z-index: 10000;
  font-weight: 600;
  text-decoration: none;
  transition: top var(--transition-elegant);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.skip-link:focus {
  top: 20px;
  outline: 3px solid var(--antique-gold);
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--deep-indigo);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('https://daisosha.com/img/hero-fireworks.jpg') center center/cover no-repeat;
  filter: contrast(0.95) saturate(0.85) sepia(0.12) brightness(0.88);
  transform: scale(1.05);
  z-index: 0;
  will-change: transform;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg,
      rgba(26, 37, 64, 0.75) 0%,
      rgba(26, 37, 64, 0.65) 50%,
      rgba(60, 30, 60, 0.70) 100%);
  mix-blend-mode: multiply;
  z-index: 1;
}

#washi-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
}

.hero-vignette {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center, transparent 30%, rgba(0, 0, 0, 0.5) 100%);
  z-index: 3;
  pointer-events: none;
}

.hero-logo {
  position: absolute;
  left: 2rem;
  top: 2rem;
  z-index: 7;
  font-family: 'Zen Old Mincho', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--antique-gold);
  letter-spacing: 0.2em;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.hero-content {
  position: relative;
  z-index: 6;
  display: flex;
  align-items: center;
  gap: 3rem;
  padding: 2rem;
  max-width: var(--max-width);
}

.hero-title-vertical {
  font-family: 'Zen Old Mincho', serif;
  writing-mode: vertical-rl;
  letter-spacing: 0.25em;
  color: var(--ecru-white);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 900;
  text-shadow:
    2px 2px 4px rgba(0, 0, 0, 0.6),
    4px 4px 12px rgba(0, 0, 0, 0.4);
  padding: 2rem 1rem;
  line-height: 1.5;
}

.hero-title-vertical .char {
  display: inline-block;
  opacity: 0;
  transform: translateX(50px);
  -webkit-text-stroke: 0.8px var(--antique-gold);
  text-stroke: 0.8px var(--antique-gold);
  position: relative;
}

.hero-artist-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.hero-artist {
  font-family: 'Cormorant Garamond', serif;
  color: var(--antique-gold);
  font-size: 1.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.5);
}

.cta-button {
  display: inline-block;
  background: var(--scarlet);
  color: var(--ecru-white);
  padding: 1rem 2.5rem;
  border-radius: 30px;
  font-weight: 700;
  text-decoration: none;
  font-family: 'Noto Sans JP', sans-serif;
  box-shadow: 0 8px 24px rgba(201, 57, 52, 0.3);
  transition: all var(--transition-elegant);
  position: relative;
  overflow: hidden;
}

.cta-button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transition: width 0.6s, height 0.6s, top 0.6s, left 0.6s;
  transform: translate(-50%, -50%);
}

.cta-button:hover::before {
  width: 300px;
  height: 300px;
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(201, 57, 52, 0.4);
}

.cta-button:focus {
  outline: 3px solid var(--antique-gold);
  outline-offset: 3px;
}

.scroll-indicator {
  position: absolute;
  right: 2rem;
  bottom: 2rem;
  color: var(--antique-gold);
  writing-mode: vertical-rl;
  letter-spacing: 0.3em;
  font-size: 0.9rem;
  z-index: 6;
  animation: bounce 2s infinite;
}

@keyframes bounce {

  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }

  40% {
    transform: translateY(-10px);
  }

  60% {
    transform: translateY(-5px);
  }
}

/* ===== セクション共通 ===== */
section {
  padding: clamp(5rem, 12vw, 10rem) clamp(1.5rem, 5vw, 3rem);
  position: relative;
  scroll-margin-top: 2rem;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

section.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-title {
  font-family: 'Zen Old Mincho', serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  text-align: center;
  margin-bottom: 4rem;
  color: var(--scarlet);
  position: relative;
  display: block;
  width: 100%;
}

.section-title::after {
  content: '';
  display: block;
  width: 100px;
  height: 3px;
  background: linear-gradient(90deg, var(--scarlet), var(--antique-gold));
  margin: 1rem auto 0;
  border-radius: 2px;
}

/* ===== CONCEPT SECTION ===== */
.concept-section {
  background: linear-gradient(180deg, var(--ecru-white) 0%, rgba(243, 237, 228, 0.5) 100%);
}

.concept-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.concept-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.88));
  padding: 3rem 2.5rem;
  border-radius: 20px;
  text-align: center;
  transition: all var(--transition-elegant);
  box-shadow: 0 4px 16px rgba(26, 37, 64, 0.08);
  border: 1px solid rgba(211, 160, 90, 0.2);
  position: relative;
  overflow: hidden;
}

.concept-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(211, 160, 90, 0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.5s ease;
}

.concept-card:hover::before {
  opacity: 1;
}

.concept-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 32px rgba(26, 37, 64, 0.15);
  border-color: var(--antique-gold);
}

.concept-icon {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  filter: sepia(0.3) brightness(0.9);
}

.concept-card h3 {
  font-family: 'Zen Old Mincho', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--scarlet);
  margin-bottom: 1.2rem;
}

.concept-card p {
  font-size: 1rem;
  color: var(--deep-indigo);
  line-height: 1.9;
  font-weight: 400;
}

/* ===== LYRICS SECTION ===== */
.lyrics-section {
  background: var(--ecru-white);
  overflow: hidden;
  position: relative;
}

.lyrics-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 700px;
  height: 700px;
  background: conic-gradient(from 0deg,
      rgba(201, 57, 52, 0.06) 0deg,
      rgba(211, 160, 90, 0.08) 60deg,
      rgba(201, 57, 52, 0.07) 120deg,
      rgba(211, 160, 90, 0.06) 180deg,
      rgba(201, 57, 52, 0.08) 240deg,
      rgba(211, 160, 90, 0.07) 300deg,
      rgba(201, 57, 52, 0.06) 360deg);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: spiralRotate 45s linear infinite;
  filter: blur(40px);
  z-index: 0;
}

.lyrics-section::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 500px;
  height: 500px;
  background: conic-gradient(from 45deg,
      rgba(211, 160, 90, 0.08) 0deg,
      rgba(201, 57, 52, 0.06) 90deg,
      rgba(211, 160, 90, 0.09) 180deg,
      rgba(201, 57, 52, 0.07) 270deg,
      rgba(211, 160, 90, 0.08) 360deg);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: spiralRotate 55s linear infinite reverse;
  filter: blur(50px);
  z-index: 0;
}

@keyframes spiralRotate {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }

  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

.lyrics-visual {
  position: relative;
  min-height: 650px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 4rem 0;
  z-index: 1;
}

/* 修正: 回転を単純化し、GPU処理を最適化 */
.lyrics-circle {
  position: relative;
  width: min(500px, 90vw);
  height: min(500px, 90vw);
  animation: rotateCircle 40s linear infinite;
  transform: translateZ(0);
  will-change: transform;
}

@keyframes rotateCircle {
  from {
    transform: rotate(0deg) translateZ(0);
  }

  to {
    transform: rotate(360deg) translateZ(0);
  }
}

/* 修正: 個別要素は親の回転に追従させ、逆回転を削除 */
.lyrics-item {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 220px;
  text-align: center;
  font-weight: 600;
  color: var(--deep-indigo);
  font-size: 1.05rem;
  padding: 0.6rem;
  background: rgba(243, 237, 228, 0.9);
  border-radius: 12px;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(211, 160, 90, 0.3);
  z-index: 3;
  box-shadow: 0 2px 8px rgba(26, 37, 64, 0.1);
  transform-origin: center;
  animation: pulseGlow 4s ease-in-out infinite;
}

/* 修正: transformではなくopacityとbox-shadowのみで表現 */
@keyframes pulseGlow {

  0%,
  100% {
    opacity: 0.9;
    box-shadow: 0 2px 8px rgba(26, 37, 64, 0.1);
  }

  50% {
    opacity: 1;
    box-shadow: 0 4px 16px rgba(201, 57, 52, 0.2);
  }
}

.lyrics-item:nth-child(1) {
  transform: translate(-50%, -50%) rotate(0deg) translateY(-220px);
  animation-delay: 0s;
}

.lyrics-item:nth-child(2) {
  transform: translate(-50%, -50%) rotate(60deg) translateY(-220px);
  animation-delay: 0.6s;
}

.lyrics-item:nth-child(3) {
  transform: translate(-50%, -50%) rotate(120deg) translateY(-220px);
  animation-delay: 1.2s;
}

.lyrics-item:nth-child(4) {
  transform: translate(-50%, -50%) rotate(180deg) translateY(-220px);
  animation-delay: 1.8s;
}

.lyrics-item:nth-child(5) {
  transform: translate(-50%, -50%) rotate(240deg) translateY(-220px);
  animation-delay: 2.4s;
}

.lyrics-item:nth-child(6) {
  transform: translate(-50%, -50%) rotate(300deg) translateY(-220px);
  animation-delay: 3s;
}

.lyrics-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'Zen Old Mincho', serif;
  font-size: clamp(1.5rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--scarlet);
  text-align: center;
  z-index: 10;
  text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.15);
  line-height: 1.6;
}

/* ===== STREAMING SECTION ===== */
.streaming-section {
  background: linear-gradient(180deg, rgba(243, 237, 228, 0.5) 0%, var(--ecru-white) 100%);
}

.streaming-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.stream-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  padding: 1.4rem 2.5rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  color: white;
  transition: all var(--transition-elegant);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  position: relative;
  overflow: hidden;
}

.stream-link::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transition: width 0.6s, height 0.6s, top 0.6s, left 0.6s;
  transform: translate(-50%, -50%);
}

.stream-link:hover::before {
  width: 400px;
  height: 400px;
}

.stream-link:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.stream-link:focus {
  outline: 3px solid var(--antique-gold);
  outline-offset: 3px;
}

.stream-spotify {
  background: #1DB954;
}

.stream-apple {
  background: #FA57C1;
}

.stream-youtube {
  background: #FF0000;
}

.stream-amazon {
  background: #FF9900;
}

.stream-icon {
  font-size: 1.5rem;
  filter: brightness(1.2);
}

/* ===== SHARE SECTION ===== */
.share-section {
  background: linear-gradient(135deg, rgba(201, 57, 52, 0.08), rgba(211, 160, 90, 0.08));
  text-align: center;
}

.share-link {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  background: var(--ecru-white);
  color: var(--scarlet);
  padding: 1.8rem 4rem;
  border-radius: 100px;
  font-weight: 900;
  font-size: 1.4rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  box-shadow: 0 8px 24px rgba(26, 37, 64, 0.15);
  transition: all var(--transition-elegant);
  margin-top: 2rem;
  position: relative;
  overflow: hidden;
  border: 2px solid var(--antique-gold);
}

.share-link::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--scarlet), var(--antique-gold));
  transition: width 0.6s, height 0.6s, top 0.6s, left 0.6s;
  transform: translate(-50%, -50%);
  z-index: -1;
}

.share-link:hover::before {
  width: 500px;
  height: 500px;
}

.share-link:hover {
  transform: translateY(-8px) scale(1.05);
  box-shadow: 0 16px 48px rgba(201, 57, 52, 0.3);
  color: var(--ecru-white);
  border-color: var(--scarlet);
}

.share-link:focus {
  outline: 3px solid var(--antique-gold);
  outline-offset: 4px;
}

.share-icon {
  font-size: 2rem;
  animation: gentleSway 5s ease-in-out infinite;
}

@keyframes gentleSway {

  0%,
  100% {
    transform: rotate(-5deg);
  }

  50% {
    transform: rotate(5deg);
  }
}

/* ===== FOOTER ===== */
footer {
  background: var(--deep-indigo);
  color: rgba(243, 237, 228, 0.9);
  padding: 3rem 2rem;
  text-align: center;
}

footer p {
  margin: 0;
  font-size: 0.95rem;
}

footer a {
  color: var(--antique-gold);
  text-decoration: none;
  transition: color 0.3s;
}

footer a:hover {
  color: var(--scarlet);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero-content {
    flex-direction: column;
    gap: 2rem;
    padding: 1rem;
  }

  .hero-title-vertical {
    font-size: 2.5rem;
    padding: 1rem;
  }

  .hero-logo {
    font-size: 1.2rem;
    left: 1rem;
    top: 1rem;
  }

  .concept-cards {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .streaming-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .lyrics-circle {
    width: 85vw;
    height: 85vw;
  }

  .lyrics-visual {
    min-height: 500px;
  }

  .lyrics-item {
    font-size: 0.85rem;
    width: 180px;
    padding: 0.5rem;
  }

  .lyrics-center {
    font-size: 1.8rem;
  }

  .share-link {
    padding: 1.5rem 3rem;
    font-size: 1.2rem;
  }

  .scroll-indicator {
    right: 1rem;
    bottom: 1rem;
  }

  section {
    padding: clamp(3rem, 8vw, 6rem) clamp(1rem, 4vw, 2rem);
  }
}

@media (max-width: 480px) {
  .hero-title-vertical {
    font-size: 2rem;
  }

  .concept-icon {
    font-size: 3rem;
  }

  .lyrics-item {
    font-size: 0.75rem;
    width: 150px;
  }

  .lyrics-center {
    font-size: 1.5rem;
  }
}

/* ===== ACCESSIBILITY: REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  #washi-particles {
    display: none;
  }

  #custom-cursor {
    display: none;
  }

  body {
    cursor: auto;
  }
}

/* モバイルではカスタムカーソル無効化 */
@media (hover: none) and (pointer: coarse) {
  #custom-cursor {
    display: none;
  }

  body {
    cursor: auto;
  }
}

/* ===================================================================
   アーティスト情報/フッターセクション - 追加スタイル
   =================================================================== */

.footer {
  background: linear-gradient(180deg, var(--deep-indigo) 0%, #0f1725 100%);
  color: var(--ecru-white);
  padding: 5rem 2rem 3rem;
  position: relative;
  overflow: hidden;
}

/* 和紙テクスチャオーバーレイ */
.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(255, 255, 255, .02) 2px, rgba(255, 255, 255, .02) 4px),
    repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(255, 255, 255, .02) 2px, rgba(255, 255, 255, .02) 4px);
  opacity: 0.3;
  pointer-events: none;
  z-index: 0;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* メインタイトル */
.footer-main-title {
  font-family: 'Zen Old Mincho', serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--antique-gold);
  letter-spacing: 0.1em;
}

/* アーティストプロフィール */
.artist-profile {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 2.5rem;
  margin-bottom: 4rem;
  padding: 2.5rem;
  background: rgba(243, 237, 228, 0.08);
  border-radius: 20px;
  border: 1px solid rgba(211, 160, 90, 0.2);
  backdrop-filter: blur(10px);
}

.artist-image-wrapper {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.artist-image {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--antique-gold);
  box-shadow: 0 4px 16px rgba(211, 160, 90, 0.3);
  transition: transform var(--transition-elegant);
}

.artist-image:hover {
  transform: scale(1.1) rotate(5deg);
}

.artist-details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.artist-intro {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--ecru-white);
}

.artist-mission {
  font-size: 1.05rem;
  line-height: 1.8;
  color: rgba(243, 237, 228, 0.9);
}

.artist-concept {
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(243, 237, 228, 0.85);
}

.artist-concept a {
  color: var(--antique-gold);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s;
  border-bottom: 1px solid transparent;
}

.artist-concept a:hover {
  color: var(--scarlet);
  border-bottom-color: var(--scarlet);
}

/* セクションタイトル */
.footer-section-title {
  font-family: 'Zen Old Mincho', serif;
  font-size: 1.8rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 2rem;
  color: var(--antique-gold);
  letter-spacing: 0.1em;
}

/* フッターリンク */
.footer-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 4rem;
  padding: 0;
}

.footer-links li {
  margin: 0;
}

.footer-links a {
  font-size: 1.1rem;
  color: rgba(243, 237, 228, 0.9);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  display: inline-block;
}

.footer-links a:hover {
  color: var(--scarlet);
  background: rgba(201, 57, 52, 0.1);
  transform: translateY(-2px);
}

/* 灯台守メッセージブロック */
.lighthouse-message {
  margin: 3rem 0;
  padding: 2.5rem;
  background: linear-gradient(135deg, rgba(211, 160, 90, 0.15), rgba(201, 57, 52, 0.1));
  border-radius: 20px;
  border: 2px solid rgba(211, 160, 90, 0.3);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.message-title {
  font-family: 'Zen Old Mincho', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--antique-gold);
  margin-bottom: 1.5rem;
  text-align: center;
  letter-spacing: 0.05em;
}

.message-text {
  font-size: 1.05rem;
  line-height: 2;
  color: rgba(243, 237, 228, 0.95);
  text-align: justify;
}

/* コピーライト */
.footer-copyright {
  text-align: center;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(211, 160, 90, 0.3);
}

.footer-copyright p {
  font-size: 0.95rem;
  color: rgba(243, 237, 228, 0.7);
  margin: 0;
}

.footer-copyright a {
  color: var(--antique-gold);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-copyright a:hover {
  color: var(--scarlet);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .footer {
    padding: 3rem 1.5rem 2rem;
  }

  .artist-profile {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 2rem 1.5rem;
  }

  .artist-image-wrapper {
    justify-content: center;
    margin-bottom: 1rem;
  }

  .artist-details {
    align-items: center;
  }

  .footer-links {
    flex-direction: column;
    gap: 1rem;
  }

  .lighthouse-message {
    padding: 2rem 1.5rem;
  }

  .message-title {
    font-size: 1.3rem;
  }

  .message-text {
    font-size: 1rem;
    text-align: left;
  }
}

@media (max-width: 480px) {
  .footer-main-title {
    font-size: 1.8rem;
  }

  .artist-image {
    width: 100px;
    height: 100px;
  }

  .artist-intro,
  .artist-mission,
  .artist-concept {
    font-size: 0.95rem;
  }

  .lighthouse-message {
    padding: 1.5rem 1rem;
  }
}

/* ===== 音楽プレーヤーセクション ===== */
.player-section {
  padding: 80px 20px;
  background: linear-gradient(180deg, #1a1410 0%, #2d1f1a 100%);
  position: relative;
}

.player-intro {
  text-align: center;
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 2.5rem;
  font-family: 'Noto Sans JP', sans-serif;
}

.music-player-wrapper {
  max-width: 700px;
  margin: 0 auto;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.music-player-wrapper iframe {
  display: block;
  border-radius: 12px;
}

.player-note {
  text-align: center;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 1.5rem;
  font-family: 'Noto Sans JP', sans-serif;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .player-section {
    padding: 60px 15px;
  }

  .player-intro {
    font-size: 1rem;
  }

  .music-player-wrapper {
    max-width: 100%;
  }
}