body {
  margin: 0;
  font-family: "Helvetica Neue", Arial, sans-serif; 
  background-color: #fff;
  color: #fff;
  background:url("../img/ushiro.png") center/cover no-repeat;
}


main {
  padding: 2.5rem 5%;
}


h1 {
  margin: 0 0 0.75rem;               
  font-size: clamp(28px, 4vw, 40px); 
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-align: left;                  
  font-family: "Helvetica Neue", Arial, sans-serif;
}

.menu-btn{
  position: fixed;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 30px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 3000; /* メニューより上 */
  /* flexは使わない：回転時のレイアウト暴走を防ぐ */
}


.menu-btn span{
  position: absolute;
  left: 0; right: 0;
  margin: 0 auto;
  width: 100%;
  height: 4px;
  background: #000;       
  border-radius: 2px;
  transform-origin: center; /* 中心回転 */
  transition: transform .25s ease, opacity .2s ease, background .2s ease;
}

.menu-btn span:nth-child(1){ top: 50%; transform: translateY(-9px); }
.menu-btn span:nth-child(2){ top: 50%; transform: translateY(-50%); }
.menu-btn span:nth-child(3){ top: 50%; transform: translateY(7px); }


.menu-btn.open span{ background:#fff; }
.menu-btn.open span:nth-child(1){ transform: translateY(-50%) rotate(45deg); }
.menu-btn.open span:nth-child(2){ opacity: 0; }
.menu-btn.open span:nth-child(3){ transform: translateY(-50%) rotate(-45deg); }


#menu{ 
  position: fixed;
  top: 0;
  right: 0;                 
  width: 250px;
  height: 100dvh;
  box-sizing: border-box;   
  padding: 2rem;
  background: rgba(0,0,0,.95);
  color: #fff;
  transform: translateX(100%);   
  transition: transform .3s ease;
  z-index: 2000;
  
  padding-right: calc(2rem + env(safe-area-inset-right));
}
#menu.active{
  transform: translateX(0);      
}

#menu ul{ list-style:none; margin:0; padding:0; }
#menu li{ margin:1rem 0; }
#menu a{ color:#fff; text-decoration:none; font-size:1.2rem; }
#menu a:hover{ color:orangered; }

#menu{
  transform: translateX(100%);
  pointer-events: none;      
}
#menu.active{
  transform: translateX(0);
  pointer-events: auto;    
}


.menu-btn{ z-index: 3000; }
#menu{ z-index: 2000; }


html, body { overflow-x: hidden; }



.breadcrumb {
  font-size: 0.75rem;
  color: #fff;
  margin-top: 0.5rem;
}


.album-list {
  display: flex;
  flex-direction: column;
  gap: 6rem;
  margin-top: 3rem;
}


.album-info h2 {
  font-size: 1.4rem;
  font-weight: 600;
  margin: 0;
}

.release {
  color: #aaa;
  font-size: 0.85rem;
  margin-top: 0.3rem;
}

.price {
  font-weight: bold;
  margin: 0.8rem 0;
  font-size: 1rem;
}

.description {
  margin: 1.2rem 0;
  line-height: 1.8;
  font-size: 0.95rem;
}


.tracklist h4 {
  font-size: 0.95rem;
  font-weight: bold;
  margin-bottom: 0.4rem;
}

.tracklist ol {
  margin: 0;
  padding-left: 1.4rem;
  font-size: 0.9rem;
  line-height: 1.5;
}

/* メンバー表 */
.members p {
  margin: 0.2rem 0;
  font-size: 0.85rem;
}


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

a:visited{
	color: #fff;
}
a:hover{
	color:orangered;
}

.album-item {
  display: flex;
  flex-direction: column; 
  gap: 1.5rem; 
  margin-bottom: 2rem; 
}

.album-info {
  display: flex;
  flex-direction: column;
  gap: 1rem; 
}

.album-item img {
  max-width: 100%;
  height: auto;  
  object-fit: cover;
  border-radius: 8px; 
}


@media (min-width: 768px) {
  .album-item {
    flex-direction: row; 
    align-items: flex-start;
  }

  .album-item img {
    width: 300px; 
    height: auto; 
  }

  .album-info {
    flex: 1;
    margin-left: 2rem; 
  }
}
.sns-icons img {
      width: 24px;
		margin: 0 0.5rem;}

html, body {
  height: 100%;
  margin: 0;
}
body {
  display: flex;
  flex-direction: column;
  min-height: 100svh;
}


main {
  flex: 1;              
  padding: 2.5rem 5%;   
}

.link {
	font-family:"Lucida Sans Unicode", "Lucida Grande", "sans-serif";
	text-align: center;
	text-color: palevioletred;
	font-size: 20pt;
}

footer {
  background-color: #000;
  color: #fff;
  text-align: center;
  padding: 1rem 3rem;
  font-size: 0.9rem;
}



:root{
  --footer-pad-y: 18px;
  --footer-gap: 28px;  
  --footer-icon: 28px;  
}


body > footer{
  background:#000;
  color:#fff;
  text-align:center;
  padding: var(--footer-pad-y) 24px calc(env(safe-area-inset-bottom,0px) + var(--footer-pad-y));
}


body > footer p{
  margin: 0 0 10px;
  line-height: 1.4;
}


body > footer .sns-icons{
  display:flex;
  justify-content:center;
  align-items:center;
  gap: var(--footer-gap);
  margin-top: 10px;
  flex-wrap: nowrap;              /* 折り返し防止 */
}

/* 旧ルールの margin-right:10px を無効化 */
body > footer .sns-icons img{
  display:block;
  height: var(--footer-icon) !important;
  width: auto !important;
  margin: 0 !important;
  vertical-align: middle;

  filter: none;                  
}

/* スマホで少しだけコンパクトに */
@media (max-width: 600px){
  :root{
    --footer-gap: 24px;
    --footer-icon: 26px;
  }
}
/* 背景をうっすら暗くして文字を読みやすく（壊さない薄さ） */
body::before{
  content:"";
  position: fixed;
  inset: 0;
  z-index: -1; /* 背景画像の直上、コンテンツの下 */
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,.25) 0%,
    rgba(0,0,0,.15) 40%,
    rgba(0,0,0,.30) 100%
  );
  pointer-events: none;
}