/* =========================================
   PLAIN POP - style.css
   ========================================= */

/* CSS Variables */
:root {
  --color-white: #FFFFFF;
  --color-black: #111111;
  --color-gray-700: #444444;
  --color-gray-500: #666666;
  --color-gray-300: #CCCCCC;
  --color-gray-100: #EEEEEE;
  --color-gray-50: #FAFAFA;

  /* ===== POP カラーパレット ===== */
  --color-accent: #1E3A5F;           /* 紺（維持） */
  --color-accent-dark: #142845;
  --color-accent-light: #2D4F7A;

  --pop-pink: #FF4081;               /* ビビッドピンク */
  --pop-magenta: #C724F0;            /* マゼンタ */
  --pop-purple: #7C4DFF;             /* パープル */
  --pop-cyan: #00E5FF;               /* シアン */
  --pop-yellow: #FFD93D;             /* イエロー */
  --pop-coral: #FF6B6B;              /* コーラル */
  --pop-mint: #06D6A0;               /* ミント */
  --pop-orange: #FF9F43;             /* オレンジ */

  /* グラデーション */
  --grad-sunset: linear-gradient(135deg, #FF4081 0%, #FF9F43 100%);
  --grad-ocean: linear-gradient(135deg, #00E5FF 0%, #7C4DFF 100%);
  --grad-candy: linear-gradient(135deg, #FF4081 0%, #7C4DFF 50%, #00E5FF 100%);
  --grad-fire: linear-gradient(135deg, #FFD93D 0%, #FF6B6B 50%, #FF4081 100%);
  --grad-pastel-bg: linear-gradient(180deg, #FFF5FA 0%, #F5F9FF 100%);

  --font-serif-jp: 'Noto Serif JP', 'Hiragino Mincho ProN', serif;
  --font-sans-jp: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-serif-en: 'Playfair Display', Georgia, serif;
  --font-sans-en: 'Inter', -apple-system, sans-serif;

  --container-max: 1200px;

  --transition-base: 0.3s ease;
  --transition-slow: 0.6s ease;
  --transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
body, h1, h2, h3, p, ul, li, figure { margin: 0; padding: 0; }
ul { list-style: none; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { border: none; background: none; cursor: pointer; font: inherit; }
/* 横スクロール抑止（スマホで絶対配置要素やマーキーが原因の横はみ出しを防ぐ） */
html, body { overflow-x: hidden; }
/* iOS 自動ズーム抑止（input/textarea/select は最低 16px） */
input, textarea, select { font-size: 16px; }

/* Base */
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans-jp);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-black);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 40px;
}

/* ==========================================
   HEADER
   ========================================== */
.header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  z-index: 100;
  border-bottom: 1px solid var(--color-gray-100);
}

.header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 40px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  font-family: var(--font-serif-en);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-accent);
}

.header__nav ul {
  display: flex;
  gap: 32px;
}

.header__nav a {
  font-family: var(--font-sans-en);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--color-black);
  transition: opacity var(--transition-base);
}

.header__nav a:hover {
  color: var(--color-accent);
}

.header__sns {
  display: flex;
  align-items: center;
  gap: 18px;
}

.header__sns a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-black);
  transition: color var(--transition-base), transform var(--transition-base);
}

.header__sns a:hover {
  color: var(--color-accent);
  transform: translateY(-2px);
}

/* ==========================================
   HERO
   ========================================== */
.hero {
  position: relative;
  height: 100vh;
  overflow: hidden;
  background: var(--color-black);
}

.hero__image {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #222 0%, #555 50%, #333 100%);
}

.hero__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.6) 100%);
  z-index: 3;
}

/* 縦スクロール写真ギャラリー */
.hero__gallery {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 16px;
  opacity: 0.7;
  overflow: hidden;
}

.hero__column {
  overflow: hidden;
  position: relative;
}

.hero__track {
  display: flex;
  flex-direction: column;
  gap: 16px;
  animation-duration: 40s;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  will-change: transform;
}

.hero__column--up .hero__track {
  animation-name: heroScrollUp;
}

.hero__column--down .hero__track {
  animation-name: heroScrollDown;
}

@keyframes heroScrollUp {
  0%   { transform: translateY(0); }
  100% { transform: translateY(-50%); }
}

@keyframes heroScrollDown {
  0%   { transform: translateY(-50%); }
  100% { transform: translateY(0); }
}

.hero__track figure {
  margin: 0;
  aspect-ratio: 3 / 4;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
  background: #222;
}

.hero__track figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 28%;
  display: block;
}

.hero__content {
  position: absolute;
  bottom: 80px;
  left: 80px;
  color: var(--color-white);
  z-index: 5;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.6);
}

.hero__title {
  font-family: var(--font-serif-jp);
  font-size: 48px;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0.05em;
}

.hero__brand {
  margin-top: 24px;
  font-family: var(--font-serif-en);
  font-size: 16px;
  letter-spacing: 0.3em;
  opacity: 0.8;
}

.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-white);
  font-family: var(--font-sans-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  opacity: 0.7;
  animation: scrollBounce 2s infinite;
  z-index: 5;
}

@keyframes scrollBounce {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 8px); }
}

/* ==========================================
   SECTION COMMON
   ========================================== */
.section {
  padding: 120px 0;
}

.section--gray {
  background: var(--color-gray-50);
}

.section__heading {
  text-align: center;
  margin-bottom: 64px;
}

.section__title-en {
  font-family: var(--font-serif-en);
  font-size: 48px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--color-black);
}

.section__title-jp {
  margin-top: 8px;
  font-family: var(--font-serif-jp);
  font-size: 14px;
  color: var(--color-gray-500);
  letter-spacing: 0.1em;
}

.section__footer {
  margin-top: 64px;
  text-align: center;
}

/* ==========================================
   LINK ARROW
   ========================================== */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans-en);
  font-size: 13px;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--color-accent);
  transition: padding var(--transition-base);
}

.link-arrow::after {
  content: '→';
  transition: transform var(--transition-base);
}

.link-arrow:hover::after {
  transform: translateX(6px);
}

/* ==========================================
   NEWS GRID
   ========================================== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

/* SLIDER MODE */
.news-slider {
  position: relative;
}

.news-grid--slider {
  display: flex;
  gap: 32px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.news-grid--slider::-webkit-scrollbar {
  display: none;
}

.news-grid--slider .news-card {
  flex: 0 0 calc((100% - 64px) / 3);
  min-width: calc((100% - 64px) / 3);
  max-width: calc((100% - 64px) / 3);
  scroll-snap-align: start;
}

.news-slider__btn {
  display: none;  /* 自動スライドのみで完結するため非表示 */
  position: absolute;
  top: calc(50% - 80px);
  z-index: 5;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  background: var(--color-white);
  color: var(--color-black);
  border: 1px solid var(--color-gray-100);
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  cursor: pointer;
  transition: all var(--transition-base);
}

.news-slider__btn:hover {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
  transform: translateY(-50%) scale(1.08);
}

.news-slider__btn--prev {
  left: -24px;
}

.news-slider__btn--next {
  right: -24px;
}

/* エンドレス化のためdisabled状態は使用しないが念のため残す */
.news-slider__btn:disabled {
  opacity: 1;
  cursor: pointer;
  pointer-events: auto;
}

@media (max-width: 1023px) {
  .news-grid--slider .news-card {
    flex: 0 0 calc((100% - 32px) / 2);
  }
}

@media (max-width: 767px) {
  .news-grid--slider .news-card {
    flex: 0 0 85%;
  }
  .news-slider__btn {
    width: 40px;
    height: 40px;
  }
  .news-slider__btn--prev { left: 0; }
  .news-slider__btn--next { right: 0; }
}

.news-card {
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base);
}

.news-card:hover {
  transform: translateY(-4px);
}

.news-card__image {
  aspect-ratio: 16 / 9;
  background: var(--color-gray-100);
  overflow: hidden;
  position: relative;
  border-radius: 12px;
}

.news-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.8s ease, filter var(--transition-base);
}

.news-card:hover .news-card__image img {
  transform: scale(1.1);
  filter: brightness(0.95);
}

.news-filter {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.news-card__category {
  display: inline-block;
  align-self: flex-start;
  margin: 20px 0 8px;
  padding: 6px 14px;
  font-family: 'Arial Black', 'Helvetica Neue', Helvetica, sans-serif;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: var(--color-white);
  background: var(--color-accent);
  border-radius: 999px;
  text-transform: uppercase;
  line-height: 1.2;
}

.news-card__date {
  margin-bottom: 8px;
  font-family: var(--font-sans-en);
  font-size: 12px;
  color: var(--color-gray-500);
}

.news-card__title {
  font-size: 17px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--color-black);
}

/* ==========================================
   ARTIST
   ========================================== */
.artist-filter {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 24px;
  font-family: var(--font-sans-en);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--color-gray-500);
  border: 1px solid var(--color-gray-300);
  transition: all var(--transition-base);
}

.filter-btn:hover,
.filter-btn.is-active {
  color: var(--color-white);
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.artist-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px 24px;
}

.artist-card {
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base);
}

.artist-card:hover {
  transform: translateY(-4px);
}

.artist-card__image {
  order: 1;
  aspect-ratio: 3 / 4;
  background: var(--color-gray-100);
  overflow: hidden;
  position: relative;
  border-radius: 12px;
}

.artist-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* 縦長ポートレートで顔が中央以上にあることが多いので、上1/3を基準にクロップ */
  object-position: center 28%;
  display: block;
  transition: transform 0.8s ease, filter var(--transition-base);
}

.artist-card:hover .artist-card__image img {
  transform: scale(1.1);
  filter: brightness(0.95);
}

.artist-card__name {
  order: 3;
  margin-top: 8px;
  font-size: 17px;
  font-weight: 500;
  color: var(--color-black);
}

/* デビュー日表示 */
.artist-card__debut {
  order: 4;
  margin: 4px 0 0;
  font-family: 'Arial Black', 'Helvetica Neue', sans-serif;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.12em;
  color: #111;
}

.artist-card__category {
  order: 2;
  align-self: flex-start;
  margin-top: 14px;
  padding: 6px 16px;
  font-family: 'Arial Black', 'Helvetica Neue', Helvetica, sans-serif;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: var(--color-white);
  background: var(--color-accent);
  border-radius: 999px;
  text-transform: uppercase;
  line-height: 1.2;
}

/* ==========================================
   ABOUT
   ========================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image {
  aspect-ratio: 4 / 3;
  background: var(--color-gray-100);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.about-image:hover img {
  transform: scale(1.05);
}

.about-content .section__title-en {
  text-align: left;
}

.about-catchphrase {
  margin-top: 24px;
  font-family: var(--font-serif-jp);
  font-size: 52px;
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #111;
}

.about-text {
  margin-top: 24px;
  font-size: 15px;
  line-height: 2;
  color: var(--color-gray-700);
}

.about-content .link-arrow {
  margin-top: 32px;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  background: var(--color-accent-dark);
  color: var(--color-white);
  padding: 80px 0 40px;
}

.footer__top {
  text-align: center;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__brand {
  font-family: var(--font-serif-en);
  font-size: 28px;
  letter-spacing: 0.1em;
}

.footer__tagline {
  margin-top: 12px;
  font-family: var(--font-serif-jp);
  font-size: 14px;
  opacity: 0.7;
}

.footer__sns {
  margin-top: 32px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
}

.footer__sns a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  opacity: 0.7;
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.footer__sns a:hover {
  opacity: 1;
  transform: translateY(-3px);
}

.footer__bottom {
  padding-top: 32px;
  font-family: var(--font-sans-en);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.5);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.footer__bottom a {
  color: inherit;
  margin: 0 4px;
  transition: color var(--transition-base);
}

.footer__bottom a:hover {
  color: var(--color-white);
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 1023px) {
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .artist-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 767px) {
  body { line-height: 1.7; }
  .container { padding: 0 20px; }

  .header__inner { padding: 0 20px; height: 60px; }
  .header__nav { display: none; }

  .hero__content { left: 24px; bottom: 64px; }
  .hero__title { font-size: 28px; line-height: 1.35; }

  .section { padding: 60px 0; }
  .section__title-en { font-size: 32px; }

  .news-grid { grid-template-columns: 1fr; gap: 28px; }
  .artist-grid { grid-template-columns: repeat(2, 1fr); gap: 24px 14px; }

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-catchphrase { font-size: 32px; line-height: 1.4; }

  .footer__bottom { flex-direction: column; text-align: center; }
}

/* ==========================================
   HOME LIVE STREAMING
   ========================================== */
.home-live-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.home-live-card {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 32px;
  background: var(--color-white);
  border-radius: 20px;
  text-decoration: none;
  color: var(--color-black);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
}

.home-live-card__top {
  display: flex;
  align-items: center;
  gap: 16px;
}

.home-live-card__icon {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.home-live-card__label {
  font-family: var(--font-sans-en);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--color-gray-500);
  margin: 0;
  text-transform: uppercase;
}

.home-live-card__name {
  font-family: var(--font-serif-jp);
  font-size: 20px;
  font-weight: 500;
  margin: 4px 0 0;
}

.home-live-card__desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-gray-700);
  margin: 0;
  flex: 1;
}

.home-live-card__cta {
  font-family: var(--font-sans-en);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  transition: transform var(--transition-base);
  display: inline-block;
}

.home-live-card:hover .home-live-card__cta {
  transform: translateX(6px);
}

/* ColorSing */
.home-live-card--colorsing {
  box-shadow: 0 10px 30px rgba(199, 36, 240, 0.15), 0 2px 6px rgba(0, 0, 0, 0.04);
}
.home-live-card--colorsing:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(199, 36, 240, 0.3), 0 4px 10px rgba(0, 0, 0, 0.06);
}
.home-live-card--colorsing:hover .home-live-card__cta { color: #C724F0; }

/* 17LIVE */
.home-live-card--17live {
  box-shadow: 0 10px 30px rgba(255, 59, 92, 0.15), 0 2px 6px rgba(0, 0, 0, 0.04);
}
.home-live-card--17live:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(255, 59, 92, 0.3), 0 4px 10px rgba(0, 0, 0, 0.06);
}
.home-live-card--17live:hover .home-live-card__cta { color: #FF3B5C; }

/* TikTok */
.home-live-card--tiktok {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12), 0 2px 6px rgba(0, 0, 0, 0.04);
}
.home-live-card--tiktok:hover {
  transform: translateY(-8px);
  box-shadow:
    0 20px 50px rgba(254, 44, 85, 0.25),
    0 8px 20px rgba(37, 244, 238, 0.2),
    0 4px 10px rgba(0, 0, 0, 0.08);
}
.home-live-card--tiktok:hover .home-live-card__cta { color: #FE2C55; }

@media (max-width: 1023px) {
  .home-live-grid {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin: 0 auto;
  }
}

@media (max-width: 767px) {
  .home-live-card {
    padding: 24px;
  }
}

/* ==========================================
   PAGE HEADER (共通)
   ========================================== */
.page-header {
  padding: 140px 0 80px;
  text-align: center;
  border-bottom: 1px solid var(--color-gray-100);
}

.page-header__en {
  font-family: var(--font-serif-en);
  font-size: 64px;
  font-weight: 400;
  letter-spacing: 0.08em;
  margin: 0;
  color: var(--color-black);
}

.page-header__jp {
  margin-top: 12px;
  font-family: var(--font-serif-jp);
  font-size: 16px;
  color: var(--color-gray-500);
  letter-spacing: 0.1em;
}

/* LIVE ページ: イベントリスト */
.event-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.event-item {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 24px 28px;
  background: var(--color-white);
  border-radius: 14px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.event-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.event-item__date {
  flex-shrink: 0;
  width: 70px;
  text-align: center;
  padding: 10px 0;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: 10px;
}

/* 月ごとのビビッドカラー（背景色） */
.event-item__date[data-month="JAN"] { background: #00BCD4; } /* 真冬の氷シアン */
.event-item__date[data-month="FEB"] { background: #E91E63; } /* バレンタインのピンク */
.event-item__date[data-month="MAR"] { background: #00E676; } /* 春の新緑 */
.event-item__date[data-month="APR"] { background: #FF4081; } /* 桜のホットピンク */
.event-item__date[data-month="MAY"] { background: #00C853; } /* 5月の鮮やかグリーン */
.event-item__date[data-month="JUN"] { background: #2979FF; } /* 梅雨の青 */
.event-item__date[data-month="JUL"] { background: #FF6D00; } /* 夏の太陽オレンジ */
.event-item__date[data-month="AUG"] { background: #FFD600; color: #111; } /* 真夏のイエロー（黒文字で視認性確保） */
.event-item__date[data-month="SEP"] { background: #FF9100; } /* 秋の黄金オレンジ */
.event-item__date[data-month="OCT"] { background: #FF3D00; } /* ハロウィンの赤橙 */
.event-item__date[data-month="NOV"] { background: #AA00FF; } /* 紅葉の紫 */
.event-item__date[data-month="DEC"] { background: #D50000; } /* クリスマスの赤 */

.event-item__month {
  display: block;
  font-family: var(--font-sans-en);
  font-size: 11px;
  letter-spacing: 0.15em;
  opacity: 0.9;
}

.event-item__day {
  display: block;
  font-family: var(--font-serif-en);
  font-size: 28px;
  font-weight: 500;
  margin-top: 2px;
}

.event-item__body {
  flex: 1;
}

.event-item__tag {
  display: inline-block;
  font-family: var(--font-sans-en);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin: 0 0 6px;
}

.event-item__title {
  font-size: 17px;
  font-weight: 500;
  margin: 0 0 4px;
  line-height: 1.5;
}

.event-item__meta {
  font-size: 12px;
  color: var(--color-gray-500);
  margin: 0;
}

/* ABOUT ページ: フィロソフィー */
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.philosophy-card {
  padding: 40px 32px;
  background: var(--color-white);
  border-radius: 16px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.04);
}

.philosophy-card__num {
  font-family: 'Arial Black', 'Helvetica Neue', Helvetica, sans-serif;
  font-size: 24px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.02em;
  color: #EF4444;
  margin: 0 0 16px;
  display: inline-block;
  position: relative;
}
.philosophy-card__num::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 24px;
  height: 2px;
  background: #111;
  border-radius: 2px;
}

.philosophy-card__title {
  font-family: var(--font-serif-jp);
  font-size: 22px;
  font-weight: 500;
  margin: 0 0 12px;
}

.philosophy-card__desc {
  font-size: 14px;
  line-height: 1.9;
  color: var(--color-gray-700);
  margin: 0;
}

/* ABOUT ページ: ヒストリー */
.history-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.history-list li {
  display: flex;
  align-items: baseline;
  gap: 32px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-gray-100);
}

.history-year {
  font-family: 'Arial Black', 'Helvetica Neue', Helvetica, sans-serif;
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--color-black);
  min-width: 90px;
}

.history-text {
  font-size: 15px;
  color: var(--color-black);
}

/* ABOUT ページ: 会社情報 */
.company-info {
  max-width: 700px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 20px 32px;
}

.company-info dt {
  font-family: var(--font-sans-en);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--color-gray-500);
  text-transform: uppercase;
  padding-top: 2px;
}

.company-info dd {
  font-size: 15px;
  margin: 0;
  color: var(--color-black);
  border-bottom: 1px solid var(--color-gray-100);
  padding-bottom: 16px;
}

.company-info dt {
  border-bottom: 1px solid var(--color-gray-100);
  padding-bottom: 16px;
}

/* RESPONSIVE */
@media (max-width: 767px) {
  .page-header { padding: 100px 0 60px; }
  .page-header__en { font-size: 44px; }
  .page-header__jp { font-size: 13px; }

  .event-item { flex-direction: column; align-items: flex-start; padding: 20px; gap: 16px; }
  .event-item__date { width: auto; padding: 8px 16px; }
  .event-item__day { display: inline; font-size: 22px; margin-left: 8px; }
  .event-item__month { display: inline; }

  .philosophy-grid { grid-template-columns: 1fr; gap: 20px; }

  .history-list li { flex-direction: column; gap: 4px; }

  .company-info { grid-template-columns: 1fr; gap: 0; }
  .company-info dt { padding-top: 16px; border-bottom: none; padding-bottom: 4px; }
  .company-info dd { margin-bottom: 12px; }
}

/* ==========================================
   POP DESIGN OVERLAY（最後に適用して上書き）
   ========================================== */

/* ===== 装飾シェイプ（セクション背景の浮遊円）→ 廃止・白背景に戻す ===== */
.section {
  position: relative;
  overflow: hidden;
  background: var(--color-white);
}
.section--gray {
  background: var(--color-white);
}

.section > .container {
  position: relative;
  z-index: 2;
}

/* ===== セクション見出し：ロゴと同じテイスト（赤・太字） ===== */
.section__title-en {
  font-family: 'Arial Black', 'Helvetica Neue', Helvetica, sans-serif;
  font-size: 64px;
  font-weight: 900;
  letter-spacing: -0.01em;
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
  color: #EF4444;  /* ロゴのPOPと同じ赤 */
  -webkit-text-fill-color: #EF4444;
  display: inline-block;
  position: relative;
}

.section__title-en::after {
  content: none;  /* 下線装飾を削除 */
}

.section__title-jp {
  margin-top: 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-gray-700);
}

/* ===== ページヘッダー（各下層ページ）===== */
.page-header {
  background: var(--color-white);
  position: relative;
  overflow: hidden;
}
.page-header__en {
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
  color: #EF4444;  /* ロゴのPOPと同じ赤 */
  -webkit-text-fill-color: #EF4444;
  font-family: 'Arial Black', 'Helvetica Neue', Helvetica, sans-serif;
  font-weight: 900;
  letter-spacing: -0.01em;
  position: relative;
  z-index: 1;
}

/* ===== NEWS カテゴリタグ：グラデーション ===== */
.news-card__category {
  background: var(--grad-sunset);
  box-shadow: 0 4px 12px rgba(255, 64, 129, 0.3);
}
.news-card[data-news-category="release"] .news-card__category {
  background: var(--grad-sunset);
  box-shadow: 0 4px 12px rgba(255, 107, 107, 0.35);
}
.news-card[data-news-category="live"] .news-card__category {
  background: var(--grad-fire);
  box-shadow: 0 4px 12px rgba(255, 217, 61, 0.4);
}
.news-card[data-news-category="media"] .news-card__category {
  background: var(--grad-ocean);
  box-shadow: 0 4px 12px rgba(124, 77, 255, 0.35);
}
.news-card[data-news-category="interview"] .news-card__category {
  background: linear-gradient(135deg, #06D6A0 0%, #00E5FF 100%);
  box-shadow: 0 4px 12px rgba(6, 214, 160, 0.35);
}
.news-card[data-news-category="info"] .news-card__category {
  background: linear-gradient(135deg, #FFD93D 0%, #FF9F43 100%);
  box-shadow: 0 4px 12px rgba(255, 159, 67, 0.35);
}

/* ===== ARTIST カテゴリバッジ ===== */
.artist-card[data-category="ssw"] .artist-card__category {
  background: var(--grad-sunset);
}
.artist-card[data-category="band"] .artist-card__category {
  background: var(--grad-ocean);
}
.artist-card[data-category="unit"] .artist-card__category {
  background: linear-gradient(135deg, #06D6A0 0%, #FFD93D 100%);
}

/* ===== フィルターボタン ===== */
.filter-btn {
  border-radius: 999px;
  font-weight: 600;
  font-size: 11px;
  padding: 12px 22px;
  transition: all var(--transition-bounce);
}
.filter-btn:hover:not(.is-active) {
  transform: translateY(-2px);
  border-color: var(--pop-pink);
  color: var(--pop-pink);
  background: rgba(255, 64, 129, 0.05);
}
.filter-btn.is-active {
  background: var(--color-black);
  border-color: var(--color-black);
  color: var(--color-white);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

/* ===== カード全般（ズームホバー強化）===== */
.news-card,
.artist-card {
  transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.news-card:hover {
  transform: translateY(-8px) rotate(-0.5deg);
}
.artist-card:hover {
  transform: translateY(-8px) rotate(0.5deg);
}

.news-card__image,
.artist-card__image {
  border-radius: 20px;  /* 12→20 もっと丸く */
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}
/* NEWS カード: 控えめな影だけ */
.news-card:hover .news-card__image {
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

/* アーティストカード: 黒で統一発光（薄め） */
.artist-card:hover .artist-card__image {
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.22),
    0 0 28px 4px rgba(0, 0, 0, 0.28),
    0 0 70px 14px rgba(0, 0, 0, 0.18),
    0 20px 60px rgba(0, 0, 0, 0.15);
}
/* 画像自体もわずかに明るく（アーティストカードのみ） */
.artist-card:hover .artist-card__image img {
  filter: brightness(1.05) saturate(1.08);
}

/* 1枚にホバーしている間、それ以外のカード全体（画像＋カテゴリラベル等）が白黒になる */
.artist-grid:has(.artist-card:hover) .artist-card:not(:hover) {
  filter: grayscale(1) brightness(0.92);
  transition: filter 0.4s ease;
}

/* ===== link-arrow：単色ブラックボタン ===== */
.link-arrow {
  padding: 14px 32px;
  border: 2px solid var(--color-black);
  border-radius: 999px;
  background: var(--color-black);
  color: var(--color-white) !important;
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  transition: all var(--transition-bounce);
}
.link-arrow:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
  border-color: var(--color-black);
}

/* ===== ロゴ：SVG画像（PLAIN黒 + POP赤） ===== */
.header__logo {
  display: inline-flex;
  align-items: center;
  background: none !important;
  -webkit-background-clip: initial !important;
  background-clip: initial !important;
  -webkit-text-fill-color: initial !important;
}

.header__logo-img {
  display: block;
  height: 34px;
  width: auto;
  transition: opacity var(--transition-base);
}

.header__logo:hover .header__logo-img {
  opacity: 0.75;
}

/* ===== ナビホバー ===== */
.header__nav a {
  font-weight: 600;
  position: relative;
  padding: 6px 0;
}
.header__nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0;
  height: 2px;
  background: #EF4444;  /* ロゴのPOP赤に統一 */
  transition: width 0.3s ease;
}
.header__nav a:hover::after {
  width: 100%;
}
.header__nav a:hover {
  color: #EF4444;  /* 赤に統一 */
}

/* ===== ヒーロー：もっとインパクト ===== */
.hero__title {
  font-size: 56px;
  font-weight: 700;
}
.hero__title span.pop-accent {
  background: var(--grad-fire);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.hero__brand {
  background: var(--grad-candy);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
  letter-spacing: 0.35em;
}

/* ===== フッター：ロゴの雰囲気（黒背景・赤アクセント） ===== */
.footer {
  background: #111111;
  position: relative;
  overflow: hidden;
}
.footer::before {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: #EF4444;  /* ロゴのPOP赤 */
  filter: blur(180px);
  opacity: 0.15;
  top: -150px; right: -100px;
}
.footer__brand {
  display: inline-flex;
  align-items: center;
  background: none !important;
  -webkit-background-clip: initial !important;
  background-clip: initial !important;
  -webkit-text-fill-color: initial !important;
}

.footer__brand-img {
  display: block;
  height: 44px;
  width: auto;
}

/* ===== NEWS スライダーの矢印ボタン：POP ===== */
.news-slider__btn {
  background: var(--grad-candy);
  color: var(--color-white);
  border: none;
  box-shadow: 0 8px 24px rgba(199, 36, 240, 0.35);
}
.news-slider__btn:hover {
  background: var(--grad-fire);
  transform: translateY(-50%) scale(1.15);
  box-shadow: 0 12px 30px rgba(255, 64, 129, 0.5);
}

/* ===== body 背景は純白 ===== */
body {
  background: var(--color-white);
}

/* ==========================================
   HERO（ロゴの雰囲気：黒背景・白文字・赤アクセント）
   ========================================== */
.hero {
  background: #111111;
}

.hero__image {
  background: linear-gradient(135deg, #1a1a1a 0%, #222 50%, #1a1a1a 100%);
}

.hero__image::after {
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.2) 0%,
    rgba(0, 0, 0, 0.75) 100%
  );
}

/* ドット格子 + 幾何学シェイプ4つ */
.hero__shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 4;
  overflow: hidden;
  /* ドット格子（SVG背景・可読性維持のため控えめ） */
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='28' height='28' viewBox='0 0 28 28'><circle cx='2' cy='2' r='1' fill='%23ffffff' fill-opacity='0.18'/></svg>");
  background-size: 28px 28px;
}

.hero__geo {
  position: absolute;
  opacity: 0.9;
}

/* 1) 右上：大きな赤い塗りつぶし円 */
.hero__geo--circle-red {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: #EF4444;
  top: 12%;
  right: 8%;
  opacity: 0.85;
  animation: geoFloat1 10s ease-in-out infinite;
}

/* 2) 左：白い四角アウトライン */
.hero__geo--square-outline {
  width: 120px;
  height: 120px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  top: 55%;
  left: 6%;
  transform: rotate(12deg);
  animation: geoFloat2 12s ease-in-out infinite;
}

/* 3) 中央下：白い円アウトライン */
.hero__geo--circle-outline {
  width: 90px;
  height: 90px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  bottom: 18%;
  left: 42%;
  animation: geoFloat3 14s ease-in-out infinite;
}

/* 4) 右下：小さな赤い四角 */
.hero__geo--square-red {
  width: 60px;
  height: 60px;
  background: #EF4444;
  bottom: 20%;
  right: 15%;
  transform: rotate(-15deg);
  opacity: 0.9;
  animation: geoFloat4 9s ease-in-out infinite;
}

@keyframes geoFloat1 {
  0%,100% { transform: translate(0,0); }
  50%     { transform: translate(-12px, 10px); }
}
@keyframes geoFloat2 {
  0%,100% { transform: rotate(12deg) translate(0,0); }
  50%     { transform: rotate(15deg) translate(8px, -10px); }
}
@keyframes geoFloat3 {
  0%,100% { transform: translate(0,0); }
  50%     { transform: translate(10px, 12px); }
}
@keyframes geoFloat4 {
  0%,100% { transform: rotate(-15deg) translate(0,0); }
  50%     { transform: rotate(-10deg) translate(-8px, -8px); }
}

/* SP対応 */
@media (max-width: 767px) {
  .hero__geo--circle-red { width: 100px; height: 100px; top: 10%; right: 6%; }
  .hero__geo--square-outline { width: 80px; height: 80px; top: 60%; left: 4%; }
  .hero__geo--circle-outline { width: 60px; height: 60px; bottom: 15%; left: 50%; }
  .hero__geo--square-red { width: 44px; height: 44px; bottom: 18%; right: 8%; }
}

@keyframes heroFloat1 {
  0%,100% { transform: translate(0,0) scale(1); }
  50%     { transform: translate(-80px, 60px) scale(1.15); }
}
@keyframes heroFloat2 {
  0%,100% { transform: translate(0,0) scale(1); }
  50%     { transform: translate(60px, -50px) scale(0.9); }
}
@keyframes heroFloat3 {
  0%,100% { transform: translate(-50%, -50%) scale(1); opacity: 0.4; }
  50%     { transform: translate(-40%, -60%) scale(1.2); opacity: 0.6; }
}

/* 星の装飾 */
.hero__star {
  position: absolute;
  font-size: 24px;
  color: var(--color-white);
  opacity: 0.8;
  animation: starTwinkle 3s ease-in-out infinite;
}
.hero__star--1 { top: 15%; left: 20%; animation-delay: 0s; font-size: 28px; }
.hero__star--2 { top: 65%; right: 15%; animation-delay: 1s; font-size: 20px; }
.hero__star--3 { top: 30%; right: 30%; animation-delay: 2s; font-size: 24px; color: var(--pop-yellow); }

@keyframes starTwinkle {
  0%, 100% { transform: scale(1) rotate(0deg); opacity: 0.4; }
  50%      { transform: scale(1.3) rotate(180deg); opacity: 1; }
}

/* HERO コンテンツ（中央寄せ） */
.hero__content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 5;
  color: var(--color-white);
  max-width: 90%;
  padding: 0 40px;
  bottom: auto;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.hero__badge {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  font-family: var(--font-sans-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.25em;
  margin: 0 0 28px;
  color: var(--color-white);
  animation: badgeFloat 3s ease-in-out infinite;
}

@keyframes badgeFloat {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}

.hero__title {
  font-family: var(--font-serif-jp);
  font-size: 64px;
  font-weight: 700;
  line-height: 1.5;
  margin: 0 0 24px;
}

.hero__title .pop-accent {
  color: #EF4444;  /* ロゴのPOP赤 */
  -webkit-text-fill-color: #EF4444;
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
  display: inline-block;
  position: relative;
}

/* PLAIN POP ブランド文字（ロゴと同じテイスト） */
.hero__brand {
  font-family: 'Arial Black', 'Helvetica Neue', sans-serif;
  font-size: 32px;
  letter-spacing: -0.01em;
  font-weight: 900;
  margin: 0 0 40px;
  opacity: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.28em;
}
.hero__brand-main { color: #FFFFFF; }
.hero__brand-accent { color: #EF4444; }

/* hero 内のサブ説明文（audition などで使用） */
.hero__sub {
  font-family: var(--font-sans-jp);
  font-size: 15px;
  line-height: 1.9;
  font-weight: 400;
  color: #fff;
  margin: 0 0 36px;
  opacity: 0.92;
}
@media (max-width: 767px) {
  .hero__sub { font-size: 13px; margin-bottom: 28px; }
}

/* CTA ボタン */
.hero__cta {
  display: flex;
  flex-direction: row;
  gap: 16px;
  justify-content: center;
  flex-wrap: nowrap;
}

.hero__btn {
  display: inline-flex;
  align-items: center;
  padding: 16px 36px;
  border-radius: 999px;
  font-family: var(--font-sans-jp);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: all var(--transition-bounce);
  text-shadow: none;
}

.hero__btn--primary {
  background: #EF4444;
  color: #FFFFFF;
  box-shadow: 0 10px 30px rgba(239, 68, 68, 0.4);
}
.hero__btn--primary:hover {
  transform: translateY(-4px) scale(1.05);
  background: #DC2626;
  box-shadow: 0 16px 40px rgba(239, 68, 68, 0.6);
}

.hero__btn--secondary {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  color: var(--color-white);
}
.hero__btn--secondary:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-4px);
  border-color: var(--color-white);
}

/* SP対応 */
@media (max-width: 767px) {
  .hero__title { font-size: 38px; }
  .hero__brand { font-size: 16px; margin-bottom: 28px; }
  .hero__badge { font-size: 10px; padding: 6px 16px; }
  .hero__cta { gap: 10px; }
  .hero__btn { padding: 14px 24px; font-size: 13px; }
  .hero__shape--1 { width: 180px; height: 180px; }
  .hero__shape--2 { width: 150px; height: 150px; }
}

/* ==========================================
   法的ページ用レイアウト
   ========================================== */
.legal-body {
  max-width: 800px;
  margin: 0 auto;
  line-height: 2;
  color: var(--color-gray-700);
}
.legal-body h2 {
  font-family: var(--font-serif-jp);
  font-size: 22px;
  font-weight: 600;
  color: var(--color-black);
  margin: 48px 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid;
  border-image: var(--grad-sunset) 1;
}
.legal-body h2:first-child { margin-top: 0; }
.legal-body p { margin: 0 0 16px; font-size: 15px; }
.legal-body ul { padding-left: 24px; margin: 0 0 16px; }
.legal-body ul li { list-style: disc; margin-bottom: 6px; font-size: 15px; }
.legal-body a { color: var(--pop-pink); border-bottom: 1px solid currentColor; }
.legal-body a:hover { color: var(--pop-magenta); }
.legal-updated {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--color-gray-100);
  font-size: 13px;
  color: var(--color-gray-500);
  text-align: right;
}
.legal-dl {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 20px 32px;
}
.legal-dl dt {
  font-family: var(--font-sans-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--pop-pink);
  padding-top: 4px;
  border-bottom: 1px solid var(--color-gray-100);
  padding-bottom: 20px;
}
.legal-dl dd {
  font-size: 15px;
  margin: 0;
  border-bottom: 1px solid var(--color-gray-100);
  padding-bottom: 20px;
}
.legal-dl small { color: var(--color-gray-500); font-size: 12px; display: block; margin-top: 6px; }

@media (max-width: 767px) {
  .legal-dl { grid-template-columns: 1fr; gap: 0; }
  .legal-dl dt { border-bottom: none; padding-bottom: 4px; padding-top: 20px; }
  .legal-dl dd { padding-bottom: 16px; }
}

/* ==========================================
   HAMBURGER MENU
   ========================================== */
.hamburger {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  z-index: 101;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-black);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* 開いた時は X に変形（ロゴのPOP赤） */
.hamburger[aria-expanded="true"] {
  position: fixed;  /* 白背景メニュー上でも表示維持 */
  top: 18px;
  right: 20px;
  z-index: 200;
}
.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
  background: #EF4444;
}
.hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
  background: #EF4444;
}

/* ==========================================
   MOBILE MENU OVERLAY
   ========================================== */
/* モバイルメニュー：ロゴの雰囲気（白背景・黒太字・赤アクセント） */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: #FFFFFF;
  z-index: 99;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 48px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-20px);
  transition: opacity 0.4s ease, visibility 0.4s ease, transform 0.4s ease;
  overflow: hidden;
}

.mobile-menu::before,
.mobile-menu::after {
  content: none;  /* カラーシェイプは廃止 */
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-menu__nav {
  position: relative;
  z-index: 2;
}

.mobile-menu__nav ul {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-menu__nav li {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.mobile-menu.is-open .mobile-menu__nav li {
  opacity: 1;
  transform: translateY(0);
}
.mobile-menu.is-open .mobile-menu__nav li:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.is-open .mobile-menu__nav li:nth-child(2) { transition-delay: 0.18s; }
.mobile-menu.is-open .mobile-menu__nav li:nth-child(3) { transition-delay: 0.26s; }
.mobile-menu.is-open .mobile-menu__nav li:nth-child(4) { transition-delay: 0.34s; }
.mobile-menu.is-open .mobile-menu__nav li:nth-child(5) { transition-delay: 0.42s; }

/* メニュー項目：Arial Black + 黒 / hoverで赤 */
.mobile-menu__nav a {
  font-family: 'Arial Black', 'Helvetica Neue', Helvetica, sans-serif;
  font-size: 54px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: #111111;
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
  -webkit-text-fill-color: initial;
  transition: color 0.25s ease, transform 0.25s ease;
  display: inline-block;
  line-height: 1;
}

.mobile-menu__nav a:hover,
.mobile-menu__nav a:active {
  color: #EF4444;  /* ロゴのPOP赤 */
  transform: translateX(6px);
}

/* 現在ページはデフォルトで赤 */
.mobile-menu__nav a.is-current {
  color: #EF4444;
}

.mobile-menu__sns {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 24px;
  opacity: 0;
  transition: opacity 0.5s ease 0.5s;
}

.mobile-menu.is-open .mobile-menu__sns {
  opacity: 1;
}

.mobile-menu__sns a {
  color: #111111;
  opacity: 0.7;
  transition: all 0.3s ease;
}

.mobile-menu__sns a:hover {
  opacity: 1;
  transform: translateY(-3px);
  color: #EF4444;
}

/* body スクロールロック */
body.menu-open {
  overflow: hidden;
}

/* ==========================================
   レスポンシブ: スマホ時のみハンバーガー表示
   ========================================== */
@media (max-width: 767px) {
  .hamburger {
    display: flex;
  }

  /* ヘッダーのナビとSNSを非表示 */
  .header__nav,
  .header__sns {
    display: none;
  }

  .header__inner {
    padding: 0 20px;
  }
}

/* ==========================================
   SCROLL REVEAL（スクロール時のフェードイン）
   ========================================== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: opacity, transform;
}

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

/* グリッド内の連続要素は時間差でフェードイン */
.reveal[data-reveal-delay="1"] { transition-delay: 0.08s; }
.reveal[data-reveal-delay="2"] { transition-delay: 0.16s; }
.reveal[data-reveal-delay="3"] { transition-delay: 0.24s; }
.reveal[data-reveal-delay="4"] { transition-delay: 0.32s; }
.reveal[data-reveal-delay="5"] { transition-delay: 0.40s; }
.reveal[data-reveal-delay="6"] { transition-delay: 0.48s; }

/* 左右スライドのバリアント */
.reveal--left {
  transform: translateX(-40px);
}
.reveal--left.reveal--visible { transform: translateX(0); }

.reveal--right {
  transform: translateX(40px);
}
.reveal--right.reveal--visible { transform: translateX(0); }

/* スケールイン */
.reveal--scale {
  transform: scale(0.92);
}
.reveal--scale.reveal--visible { transform: scale(1); }

/* スライダー内の要素などはフェードイン対象外 */
.news-grid--slider .reveal,
.hero__gallery .reveal,
.mobile-menu .reveal {
  opacity: 1 !important;
  transform: none !important;
}

/* ==========================================
   バッジ・タグ要素のタイポ統一（ロゴと同じ太字）
   ========================================== */
.event-item__tag,
.audition-hero__badge,
.artist-head__category,
.flow-item__step,
.home-live-card__label,
.livestream-card__label,
.profile-cs-card__label,
.req-card__num,
.article__category,
.home-live-card__label,
.visualizer-toggle__label {
  font-family: 'Arial Black', 'Helvetica Neue', Helvetica, sans-serif !important;
  font-weight: 900 !important;
  letter-spacing: 0.08em !important;
  text-transform: uppercase;
}

/* article__category (ニュース記事個別) */
.article__category {
  font-size: 12px;
  padding: 6px 14px;
}

/* audition-hero__badge (応募ページヒーロー) */
.audition-hero__badge {
  font-size: 12px;
  letter-spacing: 0.15em !important;
}

/* event-item__tag (ライブページ) */
.event-item__tag {
  font-size: 11px;
}

/* artist-head__category */
.artist-head__category {
  font-size: 11px;
}

/* flow-item__step (AUDITION 選考フロー) */
.flow-item__step {
  font-size: 12px;
  letter-spacing: 0.12em !important;
}

/* home-live-card & livestream-card のラベル */
.home-live-card__label,
.livestream-card__label,
.profile-cs-card__label {
  font-size: 10px;
}

/* visualizer-toggle (波形ON/OFF ボタン) */
.visualizer-toggle__label {
  font-size: 10px;
}

/* ==========================================
   ARTIST CARD: プラットフォームタグ + SNSアイコン
   ========================================== */
.artist-card__image {
  position: relative;
}

/* プラットフォームタグ & SNSアイコン関連CSSは削除済み */

/* ==========================================
   HERO 強化: 動的ギャラリー＋控えめオーバーレイ
   ========================================== */

/* カラム自体に GPU 移動を許可、トランジションは軽く */
.hero__gallery .hero__column {
  transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1);
  will-change: transform;
}

/* 写真の標準: 少し脱彩・暗め → ホバーで本来の色に */
.hero__track figure img {
  filter: saturate(0.85) brightness(0.78);
  transition: filter 0.6s ease, transform 0.6s ease;
}
.hero__track figure {
  transition: transform 0.6s cubic-bezier(0.19, 1, 0.22, 1);
}
.hero__track figure:hover img {
  filter: saturate(1.1) brightness(1.05);
  transform: scale(1.06);
}
.hero__track figure:hover {
  z-index: 2;
  transform: translateY(-4px);
}

/* 全体に薄い暗幕 + 中央付近を少し明るく（テキスト視認性確保） */
.hero__image::after {
  background:
    radial-gradient(ellipse at center, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0.55) 55%, rgba(0,0,0,0.78) 100%);
}

/* hero__image 自体にゆっくりズーム入れて呼吸感 */
.hero__image {
  transform: scale(1.06);
  transition: transform 0.8s cubic-bezier(0.19, 1, 0.22, 1);
  will-change: transform;
}

/* 背景は通常時ぼかし弱め、ホバー時はギャラリー側を強調するために不要 */
.hero__gallery {
  opacity: 0.85;       /* 元 0.7 → 写真をやや前に */
}

/* HERO テキスト: 通常はやや透けて目立たない、マウスが近いと不透明に */
.hero__content {
  --hero-content-focus: 0.85;
  opacity: calc(0.55 + var(--hero-content-focus) * 0.45);
  transition: opacity 0.5s ease;
  /* 文字の背後にうっすらとしたスクリムを敷く */
}
.hero__content::before {
  content: '';
  position: absolute;
  inset: -32px -48px;
  background: radial-gradient(ellipse at center, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0) 70%);
  z-index: -1;
  filter: blur(6px);
  opacity: calc(0.2 + var(--hero-content-focus) * 0.6);
  transition: opacity 0.5s ease;
}

/* ボタンは常時見やすく */
.hero__cta {
  opacity: 1 !important;
}

/* スクロール inducator も控えめに */
.hero__scroll {
  opacity: 0.5;
}

/* モバイルではパララックス無効＋テキスト常時不透明 */
@media (hover: none), (max-width: 767px) {
  .hero__content {
    opacity: 1 !important;
  }
  .hero__column {
    transform: none !important;
  }
  .hero__track figure img {
    filter: saturate(0.95) brightness(0.85);
  }
}

/* ==========================================
   モバイル最適化（タップ領域・操作性の底上げ）
   ========================================== */
@media (max-width: 767px) {
  /* 1) タップ領域 44px 確保 */
  .hero__btn,
  .filter-btn,
  .link-arrow,
  .artist-nav__item,
  .news-slider__btn,
  .home-live-card .home-live-card__cta,
  .follow-btn,
  .audition-btn,
  .kh-btn {
    min-height: 44px;
  }
  .filter-btn {
    padding: 10px 18px;
    font-size: 12px;
  }
  .news-slider__btn {
    width: 44px;
    height: 44px;
  }

  /* 2) iOS 自動ズーム抑止（既に :root で 16px 指定だが、ここでも一応） */
  input[type="text"],
  input[type="email"],
  input[type="tel"],
  input[type="url"],
  input[type="date"],
  input[type="search"],
  input[type="number"],
  textarea,
  select {
    font-size: 16px !important;
  }

  /* 3) チェックボックス・ラジオの押しやすさ */
  input[type="checkbox"],
  input[type="radio"] {
    min-width: 20px;
    min-height: 20px;
  }
  /* チェックボックス・ラジオを含む label の押下範囲を広げる */
  label:has(input[type="checkbox"]),
  label:has(input[type="radio"]) {
    min-height: 36px;
    padding: 6px 0;
  }

  /* 4) サイト全体の読みやすさ */
  p { line-height: 1.85; }
  h1, h2, h3 { line-height: 1.4; }

  /* 5) 横スクロール防止のための補助 */
  .hero__gallery,
  .hero__image,
  .hero__shapes,
  .news-grid--slider {
    max-width: 100vw;
  }

  /* 6) 画像とカードのサイズ調整 */
  .news-card { max-width: 100%; }
  .news-card__image img { height: auto; }
}

/* ==========================================
   タブレット域でも操作対象は 44px 確保
   ========================================== */
@media (max-width: 1023px) and (hover: none) {
  .hero__btn,
  .filter-btn,
  .audition-btn,
  .kh-btn,
  .link-arrow {
    min-height: 44px;
  }
}