/***************************************************
  BAKANCE — YELLOW THEME + FIXED GLOBE PARALLAX
****************************************************/

/* ================================================
   Root variables
================================================ */
:root {
  --color-bg: #050505;
  --color-bg-alt: #111111;
  --color-accent: #ffe94a;
  --color-accent-soft: rgba(255, 233, 74, 0.22);
  --color-accent-strong: #ffdd33;
  --color-text: #ffffff;
  --color-text-soft: #c7c7c7;
  --color-card: rgba(10, 10, 10, 0.96);
  --color-border: rgba(255, 255, 255, 0.12);
  --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.7);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --nav-height: 64px;

  /* parallax dynamic variables */
  --globe-shift: 0px;
  --particle-shift: 0px;
  --bg-shift: 0px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans",
    "Yu Gothic", "YuGothic", "Meiryo", sans-serif;
  background: radial-gradient(circle at top, #252018 0%, #050505 55%, #000000 100%);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img,
video,
iframe {
  max-width: 100%;
  display: block;
}

.page-wrapper {
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(255, 213, 74, 0.18), transparent 55%),
    radial-gradient(circle at bottom right, rgba(255, 179, 0, 0.22), transparent 60%);
}

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 16px;
}

/* ================================================
   Header & Navigation
================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: rgba(0, 0, 0, 0.96) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.nav {
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: inherit;
}

.logo-mark {
  background: transparent !important;
  background-image: none !important;
  box-shadow: none !important;
  padding: 0;
  border-radius: 0;
}

.logo-mark img {
  height: 40px;
  width: auto;
}

.logo-text-main {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.logo-text-sub {
  font-size: 0.7rem;
  color: var(--color-text-soft);
}

.nav-center {
  display: none;
  gap: 18px;
  font-size: 0.85rem;
}

.nav-link {
  position: relative;
  padding: 4px 0;
  cursor: pointer;
  color: var(--color-text-soft);
}

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

/* underline animation */
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-strong));
  transition: width 0.2s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-pill);
  padding: 4px;
  background: rgba(20, 20, 20, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.lang-btn {
  border: none;
  padding: 3px 10px;
  background: transparent;
  color: var(--color-text-soft);
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.75rem;
}

.lang-btn.is-active {
  background: radial-gradient(circle at top left, #fff3c6 0, #ffd54a 45%, #ffb300 100%);
  color: #2b2200;
  font-weight: 600;
}

.nav-cta {
  display: none;
  font-size: 0.78rem;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.26);
  background: rgba(0, 0, 0, 0.9);
  color: var(--color-text);
}

/* ================================================
   HERO section
================================================ */
.hero {
  padding: 32px 0 40px;
  position: relative;
}

/* background gradient layer */
.hero-bg-layer {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top, rgba(255, 213, 74, 0.22), transparent 55%),
    radial-gradient(circle at bottom, rgba(0, 0, 0, 0.9), #000000 70%);
  opacity: 1;
  pointer-events: none;
  z-index: -1;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  padding: 4px 9px;
  border-radius: var(--radius-pill);
  background: rgba(40, 32, 8, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: var(--color-accent-strong);
  margin-bottom: 12px;
}

.hero-kicker-dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--color-accent-strong);
  box-shadow: 0 0 0 4px rgba(255, 213, 74, 0.32);
}

.hero-title--wide {
  max-width: 100%;
  font-size: clamp(28px, 4.2vw, 52px);
  line-height: 1.25;
}

/* highlight */
.highlight {
  background: linear-gradient(120deg, #fff3c6, #ffd54a, #ffb300);
  -webkit-background-clip: text;
  color: transparent;
  text-shadow:
    0 0 16px rgba(255, 213, 74, 0.7),
    0 0 32px rgba(255, 179, 0, 0.55);
}

.hero-lead {
  font-size: 0.9rem;
  color: var(--color-text-soft);
  margin-bottom: 18px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge {
  font-size: 0.75rem;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(10, 10, 10, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-text-soft);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 12px 0 12px;
}

.btn-primary,
.btn-ghost {
  font-size: 0.85rem;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
}

/* primary */
.btn-primary {
  background: radial-gradient(circle at top left, #fff3c6 0, #ffd54a 45%, #ffb300 100%);
  color: #2b2200;
  font-weight: 600;
}

/* ghost */
.btn-ghost {
  background: rgba(10, 10, 10, 0.93);
  color: var(--color-text-soft);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

/* notes */
.hero-note {
  font-size: 0.74rem;
  color: var(--color-text-soft);
}

/* video outer wrapper（ラッパーだけ・カード感は hero-media-shell 側で） */
.hero-media {
  position: relative;
  z-index: 5;
  margin-top: 18px;
  border-radius: 24px;
  overflow: visible;
  background: transparent;
  border: none;
  box-shadow: none;
}

/* full-bleed video wrapper（実際の黒いカード） */
.hero-media-shell {
  width: 100%;
  padding: 0 clamp(12px, 3vw, 28px);
  max-width: 1400px;
  margin: 0 auto;
  background: rgba(0, 0, 0, 0.9);
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: var(--shadow-soft);
}

/* video frame */
.hero-video-frame {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  aspect-ratio: 16 / 9;
  background: #000;
}

.hero-video-frame--wide iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
}

/* 動画下の注意書き＆チャンネルボタン */
.hero-video-note {
  margin: 8px auto 0;
  max-width: 960px;
  padding: 0 16px;
  font-size: 0.8rem;
  line-height: 1.5;
  text-align: center;
  color: var(--color-text-soft);
  opacity: 0.9;
}

.hero-channel-link {
  margin-top: 10px;
  text-align: center;
}

.btn-channel {
  font-size: 0.8rem;
  padding: 7px 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* hero-media直下にある不要なカードは保険で消す */
.hero-media > .card,
.hero-media > .box,
.hero-media > .zero-trust-card {
  display: none !important;
}

/* ================================================
   Section layout
================================================ */
section {
  padding: 30px 0;
}

.section-header {
  margin-bottom: 18px;
}

.section-kicker {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent-strong);
  margin-bottom: 6px;
}

.section-title {
  font-size: 1.2rem;
  margin-bottom: 6px;
}

.section-desc {
  font-size: 0.85rem;
  color: var(--color-text-soft);
}

/* pill row */
.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.pill {
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(10, 10, 10, 0.9);
  color: var(--color-text-soft);
}

/* ================================================
   Cards
================================================ */
.card-grid {
  display: grid;
  gap: 12px;
}

.card {
  background: linear-gradient(145deg, rgba(18, 14, 4, 0.98), rgba(32, 26, 8, 0.98));
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-soft);
  padding: 14px 13px 14px;
  position: relative;
  overflow: hidden;
}

.card-inner {
  position: relative;
}

.card::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(
    circle at top,
    rgba(255, 213, 74, 0.22),
    transparent 55%
  );
  opacity: 0.5;
  pointer-events: none;
}

.card-tag {
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(10, 10, 10, 0.9);
  color: var(--color-accent-strong);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 6px;
}

.card-title {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.card-text {
  font-size: 0.8rem;
  color: var(--color-text-soft);
  margin-bottom: 8px;
}

.card-list {
  list-style: none;
  font-size: 0.78rem;
  color: var(--color-text-soft);
  display: grid;
  gap: 3px;
  padding-left: 0;
}

.card-list li::before {
  content: "・";
  margin-right: 3px;
  color: var(--color-accent-strong);
}

/* ================================================
   Split Layout / Steps
================================================ */
.split {
  display: grid;
  gap: 14px;
}

.steps {
  margin-top: 10px;
  border-radius: var(--radius-lg);
  background: rgba(10, 10, 10, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 12px 12px 4px;
}

.step-item {
  position: relative;
  padding-left: 28px;
  margin-bottom: 10px;
}

.step-badge {
  position: absolute;
  left: 0;
  top: 3px;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  background: radial-gradient(circle at top, var(--color-accent), #2b2200);
  color: #2b2200;
  font-weight: 700;
}

.step-title {
  font-size: 0.83rem;
  margin-bottom: 2px;
}

.step-text {
  font-size: 0.78rem;
  color: var(--color-text-soft);
}

/* ================================================
   Company Info
================================================ */
.info-grid {
  display: grid;
  gap: 10px;
  margin-top: 8px;
}

.info-card {
  border-radius: var(--radius-lg);
  background: rgba(10, 10, 10, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 10px 12px;
  font-size: 0.8rem;
  box-shadow: var(--shadow-soft);
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.info-table th,
.info-table td {
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding: 6px 0;
  vertical-align: top;
}

.info-table th {
  width: 32%;
  color: var(--color-text-soft);
  font-weight: 500;
  padding-right: 12px;
  white-space: nowrap;
}

.info-table tr:last-child th,
.info-table tr:last-child td {
  border-bottom: none;
}

/* ================================================
   Contact card
================================================ */
.contact-card {
  background: rgba(10, 10, 10, 0.96);
  border-radius: var(--radius-lg);
  padding: 14px;
  border: 1px solid rgba(255, 213, 74, 0.4);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.9);
}

.contact-note {
  margin-top: 6px;
  font-size: 0.75rem;
  color: var(--color-text-soft);
}

/* ================================================
   Footer
================================================ */
.footer {
  padding: 24px 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.96);
  font-size: 0.7rem;
  color: var(--color-text-soft);
}

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ================================================
   Language toggling
================================================ */
.lang-en {
  display: none;
}

[data-lang="en"] .lang-ja {
  display: none;
}

[data-lang="en"] .lang-en {
  display: revert;
}

/* ================================================
   Responsive
================================================ */
@media (min-width: 768px) {
  .nav-center {
    display: flex;
  }

  .nav-cta {
    display: inline-flex;
  }

  .hero {
    padding: 40px 0 52px;
  }

  .card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: start;
  }

  .info-grid {
    grid-template-columns: 1.4fr 1fr;
  }
}

/* ================================================
   ★ FIXED + INERTIA PARALLAX GLOBE
================================================ */
.hero--fullbleed {
  position: relative;
  overflow: visible; /* 地球儀がセクション外にはみ出しても切らない */
  padding-top: clamp(80px, 8vw, 110px);
  padding-bottom: clamp(28px, 6vw, 56px);
  background:
    radial-gradient(1200px 520px at 20% -10%, rgba(255, 230, 150, 0.32), transparent 60%),
    radial-gradient(1200px 700px at 50% 120%, rgba(80, 55, 10, 0.65), transparent 60%),
    linear-gradient(180deg, #0f0b04 0%, #120f05 40%, #090705 100%);
  background-repeat: no-repeat;
  background-position: center top;
}

/* テキストや動画は地球儀・星より前面に */
.hero--fullbleed > * {
  position: relative;
  z-index: 1;
}

/* center globe */
.hero--fullbleed::before {
  content: "";
  position: fixed;
  top: 18vh;
  left: 72%;
  width: min(80vw, 900px);
  height: min(80vw, 900px);
  border-radius: 50%;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 215, 140, 0.65), transparent 70%),
    radial-gradient(circle at 30% 20%, rgba(255, 250, 230, 0.55), transparent 65%),
    radial-gradient(circle at 70% 75%, rgba(255, 205, 120, 0.55), transparent 70%),
    repeating-linear-gradient(
      90deg,
      rgba(255, 236, 195, 0.14) 0px,
      rgba(255, 236, 195, 0.14) 1px,
      transparent 18px,
      transparent 32px
    ),
    repeating-linear-gradient(
      0deg,
      rgba(255, 232, 188, 0.12) 0px,
      rgba(255, 232, 188, 0.12) 1px,
      transparent 16px,
      transparent 30px
    );
  -webkit-mask-image: radial-gradient(circle, #000 58%, transparent 80%);
  mask-image: radial-gradient(circle, #000 58%, transparent 80%);
  opacity: var(--globe-opacity, 0);
  transition: opacity 3s ease-out;
  filter: blur(1.4px);
  mix-blend-mode: screen;
  transform: translate(-50%, var(--globe-shift, 0px));
  will-change: transform;
  z-index: 0;
}

/* particle field */
.hero--fullbleed::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 10% 5%, rgba(255, 250, 230, 0.95), transparent),
    radial-gradient(1px 1px at 20% 15%, rgba(255, 236, 190, 0.95), transparent),
    radial-gradient(1px 1px at 30% 8%, rgba(255, 230, 180, 0.9), transparent),
    radial-gradient(1px 1px at 40% 18%, rgba(255, 242, 210, 0.95), transparent),
    radial-gradient(1px 1px at 55% 12%, rgba(255, 236, 195, 0.9), transparent),
    radial-gradient(1px 1px at 65% 6%, rgba(255, 232, 188, 0.9), transparent),
    radial-gradient(1px 1px at 75% 16%, rgba(255, 238, 205, 0.9), transparent),
    radial-gradient(1px 1px at 86% 8%, rgba(255, 246, 224, 0.95), transparent),
    radial-gradient(2px 2px at 15% 40%, rgba(255, 236, 195, 0.75), transparent),
    radial-gradient(2px 2px at 32% 45%, rgba(255, 230, 185, 0.78), transparent),
    radial-gradient(2px 2px at 50% 38%, rgba(255, 242, 210, 0.8), transparent),
    radial-gradient(2px 2px at 68% 48%, rgba(255, 234, 198, 0.78), transparent),
    radial-gradient(2px 2px at 82% 42%, rgba(255, 246, 222, 0.8), transparent),
    radial-gradient(1px 1px at 18% 80%, rgba(255, 238, 205, 0.82), transparent),
    radial-gradient(1px 1px at 36% 92%, rgba(255, 232, 192, 0.78), transparent),
    radial-gradient(1px 1px at 52% 86%, rgba(255, 240, 210, 0.8), transparent),
    radial-gradient(1px 1px at 70% 94%, rgba(255, 238, 205, 0.82), transparent),
    radial-gradient(1px 1px at 88% 88%, rgba(255, 246, 222, 0.85), transparent);
  background-size: 100% 100%;
  opacity: 0.75;
  mix-blend-mode: screen;
  transform: translateY(var(--particle-shift, 0px));
  will-change: transform;
  z-index: 0;
}

/* モバイル時：地球儀を少し中央寄り＆縮小 */
@media (max-width: 768px) {
  .hero--fullbleed::before {
    top: 14vh;
    left: 85%;
    width: min(110vw, 760px);
    height: min(110vw, 760px);
  }
}

/* 見出しハイライト（行きたくなる／今） */
.hero--fullbleed .highlight {
  background: linear-gradient(120deg, #fff6d8, #ffe48a, #ffc953);
  -webkit-background-clip: text;
  color: transparent;
  text-shadow:
    0 0 18px rgba(255, 224, 170, 0.65),
    0 0 38px rgba(255, 196, 110, 0.5);
}

/* ============================================
   ★ ランダムに瞬く星レイヤー（奥行き3層）
============================================ */
.stars-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0; /* テキストより後ろ・背景より前 */
  overflow: hidden;
}

.star {
  position: absolute;
  width: 2px;
  height: 2px;
  border-radius: 50%;
  background: radial-gradient(circle, #fffbe9, #ffe8ad, transparent 70%);
  opacity: 0;
  animation-name: twinkle;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
  filter: drop-shadow(0 0 3px rgba(255, 230, 180, 0.9));
  --depth-factor: 0.6;
  transform: translate3d(
    0,
    calc(var(--particle-shift, 0px) * var(--depth-factor, 1)),
    0
  );
}

.star-back {
  --depth-factor: 0.25;
  filter: blur(0.3px) drop-shadow(0 0 2px rgba(255, 220, 160, 0.6));
}

.star-mid {
  --depth-factor: 0.6;
}

.star-front {
  --depth-factor: 1;
  width: 3px;
  height: 3px;
  filter: blur(0.7px) drop-shadow(0 0 6px rgba(255, 240, 200, 0.95));
}

@keyframes twinkle {
  0% { opacity: 0; }
  40% { opacity: var(--twinkle-strength, 0.9); }
  60% { opacity: var(--twinkle-strength, 0.75); }
  100% { opacity: 0; }
}

/* ============================================
   ★ 黄金の流れ星
============================================ */
.shooting-star {
  position: fixed;
  width: 4px;
  height: 4px;
  border-radius: 999px;
  background: radial-gradient(circle, #fffef7, #ffe8a0, transparent 70%);
  pointer-events: none;
  opacity: 0;
  z-index: 3;
  filter: drop-shadow(0 0 10px rgba(255, 240, 200, 0.98));
  animation: shooting 2.8s ease-out forwards;
}

.shooting-star::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 4px;
  width: 160px;
  height: 2px;
  transform: translateY(-50%) rotate(-28deg);
  transform-origin: 0 50%;
  background: linear-gradient(
    90deg,
    rgba(255, 248, 210, 0),
    rgba(255, 248, 210, 0.98),
    rgba(255, 210, 120, 0)
  );
  filter: blur(1.2px);
}

@keyframes shooting {
  0% {
    opacity: 0;
    transform: translate3d(0, 0, 0) scale(1);
  }
  10% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translate3d(-260px, 130px, 0) scale(0.7);
  }
}

/* ============================================
   ★ 天の川（Milky Way）風の帯
============================================ */
.milkyway-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.milkyway-layer::before {
  content: "";
  position: absolute;
  left: 60%;
  top: 40%;
  width: 180vw;
  height: 32vh;
  transform: translate(-50%, -50%) rotate(-28deg);
  pointer-events: none;
  background:
    radial-gradient(
      ellipse at 50% 50%,
      rgba(215, 230, 255, 0.55) 0%,
      rgba(150, 185, 255, 0.4) 22%,
      transparent 60%
    ),
    radial-gradient(
      ellipse at 30% 40%,
      rgba(140, 150, 255, 0.38) 0%,
      transparent 55%
    ),
    radial-gradient(
      ellipse at 72% 60%,
      rgba(185, 155, 255, 0.35) 0%,
      transparent 60%
    ),
    linear-gradient(
      90deg,
      transparent 0%,
      rgba(230, 240, 255, 0.35) 46%,
      rgba(185, 205, 255, 0.55) 50%,
      rgba(230, 240, 255, 0.35) 54%,
      transparent 80%
    );
  -webkit-mask-image: radial-gradient(
    ellipse at 50% 50%,
    #000 0%,
    #000 38%,
    transparent 70%
  );
  mask-image: radial-gradient(
    ellipse at 50% 50%,
    #000 0%,
    #000 38%,
    transparent 70%
  );
  opacity: 0.28;
  mix-blend-mode: screen;
  filter: blur(1.2px);
  animation: milkyDrift 70s linear infinite;
}

@media (min-width: 768px) {
  .milkyway-layer::before {
    left: 64%;
    top: 42%;
    width: 170vw;
    height: 30vh;
    opacity: 0.26;
  }
}

@media (max-width: 767px) {
  .milkyway-layer::before {
    left: 58%;
    top: 46%;
    width: 190vw;
    height: 34vh;
    opacity: 0.23;
  }
}

@keyframes milkyDrift {
  0% {
    transform: translate(-52%, -50%) rotate(-28deg);
  }
  50% {
    transform: translate(-48%, -52%) rotate(-28deg);
  }
  100% {
    transform: translate(-52%, -50%) rotate(-28deg);
  }
}

/* ============================================
   ★ 赤い彗星（Red Comet）
============================================ */
.red-comet {
  position: fixed;
  width: 4px;
  height: 4px;
  border-radius: 999px;
  pointer-events: none;
  opacity: 0;
  z-index: 4;
  background: radial-gradient(circle, #ffefef 0%, #ff3b3b 35%, transparent 70%);
  filter: drop-shadow(0 0 12px rgba(255, 80, 80, 0.85));
  animation: redComet 1.25s ease-out forwards;
}

.red-comet::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%) rotate(-28deg);
  transform-origin: 0 50%;
  width: 260px;
  height: 2px;
  background: linear-gradient(
    90deg,
    rgba(255, 70, 70, 0),
    rgba(255, 70, 70, 0.8),
    rgba(255, 70, 70, 0)
  );
  filter: blur(1px);
}

@keyframes redComet {
  0% {
    opacity: 0;
    transform: translate3d(0, 0, 0) scale(1);
  }
  10% {
    opacity: 1;
  }
  85% {
    opacity: 1;
    transform: translate3d(-48vw, 18vh, 0) scale(0.8);
  }
  100% {
    opacity: 0;
    transform: translate3d(-120vw, 45vh, 0) scale(0.8);
  }
}