@charset "UTF-8";

/* =========================
   MUSIC MEGAVERSE2 Special Site
   Theme: Red & Black (+ Blue Accent)
   Fonts are loaded in HTML (Montserrat / Noto Sans JP)
====================v===== */

:root {
  --bg: #0a0a0a;
  --bg-elev: #111214;
  --panel: #0f0f10;
  --text: #f2f2f2;
  --muted: #b6b6b6;
  --primary: #e10600;     /* red */
  --primary-600: #b90500; /* darker red */
  --accent: #1da1f2;      /* blue (optional accent) */
  --link: #ffffff;

  --container: 1200px;
  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 72px;

  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 8px 24px rgba(0,0,0,.35);
  --header-h: 72px;
  --focus: 0 0 0 3px rgba(225,6,0,.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Montserrat, "Noto Sans JP", system-ui, -apple-system, Segoe UI, Roboto, "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
  background: #000000;
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  padding-top: var(--header-h);
}
a { color: var(--link); text-decoration: none; }
a:hover { opacity: .9; }
:is(a, button, input, select, textarea):focus-visible { outline: none; box-shadow: var(--focus); border-radius: 10px; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--space-4); }

.card{
   background: var(--bg-elev);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--radius);
  padding: var(--space-5);
  box-shadow: var(--shadow);
}
.hero .hero-side.card{
  background: rgba(0,0,0,.38);                 /* ← 透明な黒（数値で濃さ調整） */
  border-color: rgba(225,6,0,.38);             /* 赤系ボーダーは残す/薄める */
}
/* =========================
   Header / Global Nav (Hamburger on all viewports)
========================= */
.site-header {
  position: fixed; inset: 0 0 auto 0; height: var(--header-h);
  z-index: 1000;
  background: linear-gradient(180deg, rgba(10,10,10,.95), rgba(10,10,10,.75));
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.header-inner {
  height: 100%;
  display: flex; align-items: center;;
}

.header-spacer { margin-left: auto; }
.brand { display: flex; align-items: center; gap: var(--space-3); }
.brand-logo{
  /* 幅は 120px〜260px の範囲で、画面幅の18vwに追従 */
  width: clamp(120px, 37vw, 260px);
  height: auto;                               /* 縦横比を保持 */
  max-height: calc(var(--header-h) - 16px);   /* ヘッダー高を超えない安全弁 */
  display: block;
}
.brand-title { font-weight: 800; letter-spacing: .02em; }

.primary-nav { display: none; } /* PCでも非表示（要望：常時ハンバーガー） */

/* ===== Language Switch：角丸タブ（pridask風味） ===== */
.lang-switch{
  display: inline-flex;
  align-items: center;
  gap: 0;                                 /* 隙間なしの一体感 */
  background: rgba(255,255,255,.04);      /* 薄い面 */
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 12px;                    /* ← 角丸に変更（pillをやめる） */
  overflow: hidden;
}

.lang-btn{
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text);
  font-weight: 500;
  letter-spacing: .02em;
  height: 36px;                           /* タブの高さ */
  padding: 0 14px;                        /* タブの左右幅 */
  cursor: pointer;
  border-right: 1px solid rgba(255,255,255,.08); /* 仕切り線 */
  border-radius: 0;                        /* ← 角丸は親で制御 */
}
.lang-btn:last-child{ border-right: none; }

.lang-btn:hover{ background: rgba(255,255,255,.06); }
.lang-btn.active{
  background: var(--primary);             /* アクティブは赤面 */
  color: #fff;
}

/* フォーカス見やすく */
.lang-btn:focus-visible{
  outline: none;
  box-shadow: 0 0 0 3px rgba(225,6,0,.35);
}

/* スマホは少しコンパクトに */
@media (max-width: 540px){
  .lang-btn{ height: 32px; padding: 0 12px; }
  .lang-switch{ border-radius: 10px; }
}

/* ハンバーガーとの間隔（必要なら調整） */
.hamburger{ margin-left: 8px; }


/* Hamburger */
.hamburger { margin-left: 8px; position: relative; }
.hamburger input { display: none; }
.hamburger-btn {
  display: grid; place-items: center;
  width: 40px; height: 40px; cursor: pointer;
}
.hamburger-btn span,
.hamburger-btn span::before,
.hamburger-btn span::after {
  content: ""; display: block; width: 22px; height: 2px; background: #fff;
  position: relative; transition: .25s ease;
}
.hamburger-btn span::before { position: absolute; top: -7px; }
.hamburger-btn span::after  { position: absolute; top: 7px; }

#navToggle:checked + .hamburger-btn span { background: transparent; }
#navToggle:checked + .hamburger-btn span::before { transform: rotate(45deg); top: 0; }
#navToggle:checked + .hamburger-btn span::after  { transform: rotate(-45deg); top: 0; }

/* Drawer Panel & Scrim */
.drawer {
  position: fixed; inset: var(--header-h) 0 0 auto; width: min(340px, 80vw);
   background: #0b0b0c; 
  border-left: 1px solid rgba(255,255,255,.08);
  transform: translateX(100%);
  transition: transform .25s ease;
  z-index: 1001;
  backdrop-filter: blur(6px);
}
.drawer-inner { padding: var(--space-5); display: flex; flex-direction: column; gap: 12px;background-color: #0b0b0c !important; }
.drawer-link { padding: 12px 0; border-bottom: 1px solid var(--primary); font-weight: 700; }

.drawer-scrim {
  position: fixed; inset: var(--header-h) 0 0 0;
  background: rgba(0,0,0,.72);
  opacity: 0; pointer-events: none; transition: opacity .2s ease;
  z-index: 1000;
}
#navToggle:checked ~ .drawer { transform: translateX(0); }
#navToggle:checked ~ .drawer-scrim { opacity: 1; pointer-events: auto; }

/* =========================
   Buttons
========================= */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 800; letter-spacing: .02em;
  padding: 14px 18px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,.16);
  box-shadow: var(--shadow);
  transition: transform .08s ease, box-shadow .2s ease, opacity .2s ease;
  will-change: transform;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(180deg, var(--primary), var(--primary-600)); color: #fff; }
.btn-secondary { background: linear-gradient(180deg, #1b1b1b, #0f0f0f); color: #fff; }
.btn-ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.35); }
.icon { width: 18px; height: 18px; display: inline-block; }

/* =========================
   Sections / Headings
========================= */
section { padding: var(--space-7) 0; }
.section-head {
  display: flex; align-items: end; justify-content: space-between;
  gap: var(--space-4); margin-bottom: var(--space-5);
}
.section-title { font-size: clamp(1.6rem, 3.5vw, 2.2rem); margin: 0; font-weight: 800; letter-spacing: .02em; }
.section-sub { color: var(--muted); margin: 0; }

/* セクション見出し：バー＋下線グラデ、余白増、字間とウェイト強化 */
.section-head{
  position: relative;
  align-items: flex-end;
  margin-bottom: min(5vw, 48px);
}
.section-title{
  position: relative;
  display: inline-block;
  font-weight: 900;
  letter-spacing: .02em;
  line-height: 1.2;
  padding-left: 14px;          /* 左バー分 */
  margin: 0;
}
.section-title::before{
  content:"";
  position:absolute; left:0; top: 4px; bottom: 4px;
  width: 4px; border-radius: 2px;
  background: linear-gradient(180deg, var(--primary), var(--primary-600));
  box-shadow: 0 0 0 1px rgba(255,255,255,.06) inset;
}
.section-sub{
  margin: 0 0 2px 14px; /* タイトルとそろえる */
  color: var(--muted);
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  opacity: .9;
}


/* =========================
   HERO
========================= */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid rgba(255,255,255,.06); }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(1200px 600px at 20% 20%, rgba(225,6,0,.28), transparent 40%),
    radial-gradient(800px 400px at 20% 0%, rgba(29,161,242,.12), transparent 40%),
    linear-gradient(180deg, rgba(0,0,0,.2), rgba(0,0,0,.6));
  z-index: 0;
}
.hero-bg { position: absolute; inset: 0; z-index: -1; }
.hero-bg picture, .hero-bg img { width: 100%; height: 100%; display: block; }
.hero-bg img { object-fit: cover; object-position: center center; }

.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.2fr 1fr;
  gap: var(--space-6); align-items: center;
  min-height: calc(70vh - var(--header-h));
  padding-top: var(--space-6); padding-bottom: var(--space-6);
}
.hero-title { font-size: clamp(2.4rem, 5vw, 4rem); line-height: 1.1; margin: 0 0 var(--space-4); font-weight: 800; }
.hero-sub { font-size: .38em; font-weight: 600; opacity: .85; }
.hero-lead { font-weight: 600;　max-width: 60ch; color:varr(--space-6) ; margin-bottom: var(--space-4); }
.pill {
  display: inline-block; background: rgba(225,6,0,.12); color: #fff;
  border: 1px solid rgba(225,6,0,.35); border-radius: 999px;
  padding: 6px 10px; font-weight: 800;
}
.hero-cta { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.hero-side .card-title { margin-top: 0; }
.news-list { margin: 8px 0 0; padding-left: 18px; color: var(--muted); }

/* 赤のネオン */
.hero-lead--neon{
  text-shadow:
    0 0 4px rgba(225, 6, 0, .55),
    0 0 10px rgba(225, 6, 0, .45),
    0 0 22px rgba(225, 6, 0, .35);
}
/* 見出し下線（既存サイト風のグラデ下線） */
.underline{
  position: relative;
  display: inline-block;
  padding-bottom: 10px;  /* 文字と下線の距離 */
}
.underline::after{
  content:"";
  position:absolute; left:0; bottom:0;
  width:100%; height:2px;
  background: linear-gradient(90deg, var(--primary), transparent);
}

/* ヘッダー内のタイトルロゴ画像サイズ */
.brand-title-img{
  display: block;
  height: 28px;          /* ヘッダーの高さ72pxに対して見やすいサイズ */
  width: auto;
  filter: none;          /* 変なフィルタを受けないように */
}


.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.underline-img{
  position: relative;
  display: inline-block;
  line-height: 0;                 /* 画像の下の余白を消す */
  width: clamp(270px, 40vw, 720px); /* レスポンシブ幅 */
}
.underline-img img{
  display: block;
  width: min(35vw, 450px);
  height: auto;
  filter: drop-shadow(0 6px 12px rgba(0,0,0,.35)); 
}
.underline-img::after{
  content: "";
  position: absolute; left: 0; right: 0; bottom: -8px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), rgba(225,6,0,.3), transparent 70%);
}

/* タイトルの行間を画像化に合わせて微調整（任意） */
.hero-title { line-height: 1.05; }


/* =========================
   Island Code (emphasized)
========================= */
.island-code .code-box {
  display: grid; gap: var(--space-3);
  justify-items: start; text-align: left;
}
.code {
  display: inline-block;
  font-weight: 900; letter-spacing: .05em;
  font-size: clamp(1.6rem, 4.5vw, 3rem);
  padding: 8px 14px; border-radius: 12px;
  background: linear-gradient(180deg, #111, #0b0b0b);
  border: 1px solid rgba(255,255,255,.14);
}
.copy-code {
  all: unset; cursor: pointer;
  padding: 8px 12px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,.28);
  background: rgba(255,255,255,.06);
  font-weight: 800;
}
.copy-code:hover { background: rgba(255,255,255,.12); }
.code-note { color: var(--muted); margin: 4px 0 0; }
.code-cta { display: flex; gap: 12px; flex-wrap: wrap; }

/* =========================
   Content with Image (Story / World, Previous)
========================= */
.content-with-image {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: var(--space-5);
  align-items: center; margin-bottom: var(--space-5);
}
.content-with-image.reverse { grid-template-columns: 1fr 1.1fr; }
.content-with-image.reverse .cwi-image { order: 2; }
.cwi-image img {
  width: 100%; height: auto; display: block;
  border-radius: var(--radius); border: 1px solid rgba(255,255,255,.08);
  box-shadow: var(--shadow);
}
.cwi-body h3 { margin-top: 0; }

/* =========================
   System
========================= */
.system-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4);
}
.system-item { display: grid; gap: var(--space-3); }
.system-thumb img {
  width: 100%; height: auto; display: block;
  border-radius: var(--radius-sm); border: 1px solid rgba(255,255,255,.08);
}

/* =========================
   Specs
========================= */
.specs-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4);
}
.spec dt { font-weight: 800; }
.spec dd { margin: 4px 0 0; color: var(--muted); }

/* =========================
   Characters
========================= */
.chars-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4);
}
.char-img img {
  width: 100%; height: auto; display: block;
  border-radius: var(--radius-sm); border: 1px solid rgba(255,255,255,.08);
}
.char h3 { margin: .8rem 0 .2rem; }
.char p { color: var(--muted); margin: 0; }

/* =========================
   Video Embeds
========================= */
.video-embed { position: relative; width: 100%; aspect-ratio: 16 / 9;
  overflow: hidden; border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.08); box-shadow: var(--shadow);
}
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; }
.video-embed.sm { aspect-ratio: 16/9; }

/* =========================
   Gallery
========================= */
.gallery-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4);
}
.gallery-item {
  display: block; position: relative; overflow: hidden;
  border-radius: var(--radius); border: 1px solid rgba(255,255,255,.08);
}
.gallery-item img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transform: scale(1); transition: transform .25s ease;
  filter: brightness(.92);
}
.gallery-item:hover img { transform: scale(1.03); }

/* =========================
   Access (Steps with images)
========================= */
.steps-grid {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4);
  counter-reset: step;
}
.step { position: relative; }
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute; top: -12px; left: -12px;
  width: 36px; height: 36px; border-radius: 999px;
  display: grid; place-items: center;
  background: linear-gradient(180deg, var(--primary), var(--primary-600));
  color: #fff; font-weight: 900; box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,.12);
}
.step-figure { margin: 0; }
.step-figure img {
  width: 100%; height: auto; display: block;
  border-radius: var(--radius-sm); border: 1px solid rgba(255,255,255,.08);
}
.step-caption { margin-top: 8px; color: var(--muted); }
.note { color: var(--muted); }

/* =========================
   Download / Links
========================= */
.download-cards {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4);
}
.download-card h3 { margin-top: 0; }


/* Download 見出し用の小アイコン */
.download-card h3{
  display: flex; align-items: center; gap: 8px;
}
.dl-icon{
  width: 20px; height: 20px;
  display: inline-block;
  fill: currentColor;
  opacity: .95;
  flex: 0 0 auto;
}

/* =========================
   Credits
========================= */
.credits-grid {
  display: grid;  gap: var(--space-4);
}
.credit-list{
  list-style: none;   /* マーカーを消す */
  margin: 0;
  padding-left: 0;    /* 左インデントをなくす（以前の18pxを上書き） */
}

.credits-grid h3{
	font-size: 1.6rem;
	  margin-top: 0
}

/* =========================
  Previous 
========================= */

.previous .prev-layout{
  display: grid;
  grid-template-columns: 1.1fr 1fr;   /* 左やや広め：サムネを見せる */
  gap: var(--space-5);
  align-items: start;
  margin-bottom: var(--space-5);
}

/* 16:9の静止サムネ */
.previous .prev-thumb{
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: var(--shadow);
  aspect-ratio: 16 / 9;              /* ← 16:9固定 */
}
.previous .prev-thumb img{
  width: 100%; height: 100%; object-fit: cover; display: block;
}

.island-prev{
  gap: 12px;                 /* ← 横スペース */
  align-items: center;
  margin-top: 12px;          /* ← 上マージン */
}
.island-prev .code{
  font-size: clamp(1.2rem, 2.8vw, 1.6rem);
  padding: 6px 12px;         /* “強調しつつも”控えめに */
margin-bottom: 10px;
}
.island-prev .copy-code{
  padding: 8px 12px;

}

/* =========================
   Awards
========================= */
.awards-list { margin: 0; padding-left: 18px; }


/* ===== Social Section ===== */
.social { padding-top: var(--space-6); padding-bottom: var(--space-7); }
.social .section-head{ margin-bottom: var(--space-5); }

/* 横並び（スクロール対応） */
.social-row{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;               /* 収まる範囲は折り返し */
}
@media (max-width: 640px){
  .social-row{
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .social-row::-webkit-scrollbar{ display: none; }
	
	
}

/* ボタン（角丸タブ風：pridask寄せ） */
.social-btn{
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.12);
  color: var(--text);
  font-weight: 800; letter-spacing: .02em;
  transition: transform .08s ease, background .2s ease, border-color .2s ease, opacity .2s ease;
  white-space: nowrap;
}
.social-btn:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.18);
}

/* アイコン統一 */
.social-btn svg{
  width: 18px; height: 18px; display: inline-block;
  fill: currentColor;
  opacity: .95;
}

/* 強調したい場合（任意）：.social-btn--primary を付与 */
.social-btn--primary{
  background: linear-gradient(180deg, var(--primary), var(--primary-600));
  border-color: rgba(225,6,0,.5);
}
.social-btn--primary:hover{
  border-color: rgba(225,6,0,.65);
}


/* モバイルちょいコンパクト */
@media (max-width: 540px){
  .social-btn{ padding: 9px 12px; border-radius: 10px; }
  .social-btn svg{ width: 16px; height: 16px; }
}


/* =========================
   Footer
========================= */
.site-footer {
  padding: var(--space-6) 0; border-top: 1px solid rgba(255,255,255,.06);
  color: var(--muted);
}
.footer-inner {
  display: flex; flex-wrap: wrap; gap: var(--space-4);
  align-items: center; justify-content: space-between;
}
.copy, .link { margin: 0; font-size:0.19em; }

/* =========================
   Responsive
========================= */
@media (max-width: 1200px) {
  .content-with-image,
  .content-with-image.reverse { grid-template-columns: 1fr; }
  .content-with-image.reverse .cwi-image { order: 0; }
  .system-grid { grid-template-columns: 1fr 1fr; }
  .specs-grid { grid-template-columns: 1fr 1fr 1fr; }
  .chars-grid { grid-template-columns: 1fr 1fr 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr 1fr; }
  .hero-inner { grid-template-columns: 1fr; }
  .previous .prev-layout{
    grid-template-columns: 1fr;
  }
}

@media (max-width: 960px) {
  .system-grid { grid-template-columns: 1fr; }
  .specs-grid { grid-template-columns: 1fr; }
  .chars-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
	 .btn {
    padding: 10px 12px;
    font-size: .7rem;
    line-height: 1;
    flex: 0 0 auto;        /* 伸びない＝小さいまま */
    white-space: nowrap;   /* 折り返さない */
  }
  .btn .icon { width: 16px; height: 16px; }

  /* 複数ボタンの並びを“横一列”に強制（必要に応じて横スクロール） */
  .hero-cta,
  .code-cta,
  .cta-group {
    display: flex;
    flex-wrap: nowrap;     /* 折り返さない＝縦にならない */
    gap: 8px;
    overflow-x: auto;      /* 入り切らない分は横スクロール */
    -webkit-overflow-scrolling: touch;
  }
	
	
	.hero-title { text-align: center; }

  /* 下線ラッパを中央に配置 */
  .hero-copy {
    display: inline-block;   /* テキストの中央寄せに乗る */
    margin: 0 auto;          /* 念のため：ブロック化したときも中央に */
  }

  .underline-img img {
   display: block;
    width: min(95vw, 720px); /* 端末幅ベースで大きく */
    margin: 0 auto;          /* 中央寄せ */
  }
  .underline-img img {
    width: 100%;
    height: auto;
    margin: 0 auto;
	}
 #download .download-cards{
    display: grid;
    grid-template-columns: repeat(1, 1fr);
  }		
	
}


@media (max-width: 767px){
  .hero-bg img { object-position: center 40%; }
}


@media (max-width: 540px){
  .lang-btn{ height: 32px; padding: 0 9px; font-size:.68rem; }
  .lang-switch{ border-radius: 10px; }
}
/* =========================
   Small Tweaks / Utilities
========================= */
.divider { height: 1px; background: linear-gradient(90deg, rgba(255,255,255,.12), rgba(255,255,255,.04)); margin: var(--space-6) 0; }

/* Optional: fine-tune header offset for smooth scroll if needed
   (JS で 72px 仮固定。CSS変数を使うなら以下を活用)
*/
:target::before {
  content: ""; display: block; height: var(--header-h);
  margin-top: calc(var(--header-h) * -1);
	}}