/* ================= RESET ================= */
html,
body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont,
    "Helvetica Neue", "Hiragino Sans", "Noto Sans JP", sans-serif;
  color: #fff;
  background: #000;
  overflow-x: hidden;
}

/* ================= HEADER / MENU ================= */
header {
  position: relative;
  z-index: 2000;
}
#menu-icon,
#slide-menu .close-btn {
  position: fixed;
  top: 15px;
  left: 15px;

  width: 40px;
  height: 40px;

  display: flex;
  align-items: center;
  justify-content: center;

  font-size: 26px;
  line-height: 1;

  cursor: pointer;
  z-index: 4000;
}
#menu-icon {
  opacity: 1;
}
/* ================= SLIDE MENU ================= */
#slide-menu {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  transform: translateX(-100%);
  width: 70%;
  height: 100%;
  background: rgba(10, 12, 16, 0.95);
  z-index: 3000;
  transition: transform 0.4s ease;
  overflow-y: auto; 
  /* iOSでのスクロールを滑らかにする（念のため） */
  -webkit-overflow-scrolling: touch; 
}
#slide-menu.open {
  transform: translateX(0);
}
#slide-menu .close-btn {
  opacity: 0.8;
}
#slide-menu ul {
  list-style: none;
  padding: 80px 0 0;
  margin: 0;
}

#slide-menu li {
  margin: 25px 0;
  padding-left: 25px;
}
#slide-menu ul li.menu-separator {
    height: 1px;
    background: rgba(255, 255, 255, 0.2); /* 白を少し透明に */
    margin: 20px 0; /* 上下の余白 */
    list-style: none; /* 点などを消す */
}


#slide-menu a {
  text-decoration: none;
  color: #fff;
  font-size: 22px;
}

/* ================= HERO ================= */
#hero {
  width: 100%;
  height: 100svh;
  background-image: url("../images/pisa01.png");
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}

#hero .overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
}

.hero-text {
  position: absolute;
  max-width: 420px;
  bottom: 15%;
  right: 10%;
  text-align: right;
  line-height: 1.6;
}

.hero-en {
  display: block;
  font-size: 1.2rem;
  letter-spacing: 0.04em;
  margin-bottom: 0.6rem;
}

.hero-jp {
  display: block;
  margin-top: 1rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.55);
  opacity: 0;
  transition: opacity 1.5s ease;
}

#hero:hover .hero-jp {
  opacity: 1;
}

/* ================= DISCOGRAPHY ================= */
#discography {
  max-width: 900px;
  margin: 100px auto;
  padding: 0 1.5rem;
  text-align: center;
}

#discography h2 {
  font-size: 1.6rem;
  margin-bottom: 3rem;
}

.album {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  margin-bottom: 80px;
}

.album-art img {
  width: 100%;
  display: block;
}

.album-title {
  font-size: 1.2rem;
  margin-bottom: 4px;
}
.album-year {
  position: relative;
  text-align: center;   /* 2025 は常に中央 */
  font-size: 0.8rem;
  opacity: 0.７;
  margin-bottom: 16px;
}

.album-year .year {
  display: inline-block;
}

.album-links {
  position: absolute;
  left: 50%;            /* 行の真ん中から */
  margin-left: 48px;    /* そこから右へずらす */
  font-size: 0.7rem;
  opacity: 0.55;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.album-links a {
  color: #fff;
  text-decoration: none;
}

.album-links a:hover {
  opacity: 1;
  text-decoration: underline;
}

.album-links .sep {
  margin: 0 2px;
  opacity: 0.5;
}

.track-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.track-list li {
  margin-bottom: 6px;
}

.track-list a {
  text-decoration: none;
  color: #fff;
}

.track-list a:hover {
  text-decoration: underline;
}

/* ================= ABOUT ================= */
#about {
  max-width: 900px;
  margin: 120px auto;
  padding: 0 1.5rem;
  text-align: center;
}

#about h2 {
  font-size: 1.8rem;
  margin-bottom: 2rem;
}

.about-photo img {
  width: 100%;
  max-width: 500px;
  margin-bottom: 2rem;
  border-radius: 4px;
}

.about-catch-en,
.about-catch-jp {
  font-size: 1.1rem;
  line-height: 1.8;
}

.about-catch-jp {
  opacity: 0.85;
}

.about-credits {
  font-size: 0.95rem;
  opacity: 0.8;
  margin-bottom: 2.5rem;
}

.about-logo img {
  width: 150px;
  border-radius: 50%;
  opacity: 0.9;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 700px) {
  .album {
    grid-template-columns: 1fr;
  }

  .hero-text {
    left: 8%;
    bottom: 12%;
  }
}