/* overTuner — 夜と星空 */

:root {
  color-scheme: dark light;
  --bg:      #0b0a14;
  --bg-deep: #06050d;
  --panel:   #14121f;
  --fg:      #e8e6f2;
  --muted:   #9b95b5;
  --line:    #262236;
  --accent:  #8fa4ff;
  --accent-soft: #c9a7ff;
  --star: rgba(255,255,255,.85);
  --star-dim: rgba(190,205,255,.5);
  --shadow: 0 1px 3px rgba(0,0,0,.5), 0 8px 24px rgba(0,0,0,.35);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg:      #fbfaff;
    --bg-deep: #f2effb;
    --panel:   #f5f3fc;
    --fg:      #2a2440;
    --muted:   #6b6480;
    --line:    #e4e0f0;
    --accent:  #4a5fb0;
    --accent-soft: #7a5fb0;
    --star: rgba(120,130,190,.35);
    --star-dim: rgba(120,130,190,.2);
    --shadow: 0 1px 2px rgba(60,50,90,.08), 0 8px 20px rgba(60,50,90,.07);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  padding: 0 0 6rem;
  font-family: -apple-system, "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
  line-height: 1.9;
  color: var(--fg);
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
  position: relative;
  overflow-x: hidden;
}

/* 星空。画像を使わず CSS だけで散らす */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(1.5px 1.5px at 12% 18%, var(--star), transparent),
    radial-gradient(1.5px 1.5px at 68% 9%,  var(--star), transparent),
    radial-gradient(1px 1px   at 34% 42%, var(--star-dim), transparent),
    radial-gradient(1.5px 1.5px at 88% 33%, var(--star), transparent),
    radial-gradient(1px 1px   at 22% 66%, var(--star-dim), transparent),
    radial-gradient(1.5px 1.5px at 55% 78%, var(--star-dim), transparent),
    radial-gradient(1px 1px   at 78% 61%, var(--star-dim), transparent),
    radial-gradient(1.5px 1.5px at 45% 25%, var(--star), transparent),
    radial-gradient(1px 1px   at 92% 84%, var(--star-dim), transparent),
    radial-gradient(1px 1px   at 8%  88%, var(--star-dim), transparent),
    radial-gradient(ellipse 90% 55% at 50% -10%, var(--bg-deep), transparent 70%);
  background-repeat: no-repeat;
  pointer-events: none;
}

.wrap { max-width: 60rem; margin: 0 auto; padding: 0 1.5rem; }

/* ヘッダー */

/* 見出し */
h3 { font-size: 1rem; margin: 1.75rem 0 .4rem; }

section { padding: clamp(4.5rem, 11vh, 7rem) 0 0; }

p { margin: .7rem 0; }
a { color: var(--accent); text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent); }
a:hover { color: var(--accent-soft); }
.muted { color: var(--muted); font-size: .9rem; }
ul { padding-left: 1.3rem; }
li { margin: .4rem 0; }

/* リンク */
.chips { display: flex; flex-wrap: wrap; gap: .6rem; margin: 1.25rem 0 0; padding: 0; list-style: none; }
.chips a {
  display: inline-block;
  padding: .45rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel) 70%, transparent);
  text-decoration: none;
  font-size: .9rem;
  transition: border-color .18s, color .18s;
}
.chips a:hover { border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); }

/* パネル */
.panel {
  background: color-mix(in srgb, var(--panel) 70%, transparent);
  border: 1px solid var(--line);
  border-radius: .75rem;
  padding: 1.1rem 1.25rem;
  margin: 1.25rem 0;
}
.note { border-left: 3px solid var(--accent); }

/* アプリ */
.app { display: flex; gap: 1.15rem; align-items: center; margin: 0 0 1.25rem; }
.app img { width: 84px; height: 84px; border-radius: 1.2rem; flex: none; box-shadow: var(--shadow); }
.app p { margin: .1rem 0; }
.app h1 { font-size: 1.6rem; margin: 0; letter-spacing: .04em; }

.shots { display: grid; grid-template-columns: repeat(auto-fit, minmax(148px, 1fr)); gap: .75rem; margin: 1.25rem 0; }
.shots img { width: 100%; height: auto; border: 1px solid var(--line); border-radius: .6rem; }

.pv { margin: 1.25rem 0; }
.pv img { width: 100%; height: auto; border: 1px solid var(--line); border-radius: .6rem; }

/* 手順 */
.steps { counter-reset: s; list-style: none; padding: 0; }
.steps li { counter-increment: s; position: relative; padding-left: 2.4rem; margin: 1rem 0; }
.steps li::before {
  content: counter(s);
  position: absolute; left: 0; top: .3rem;
  width: 1.6rem; height: 1.6rem; border-radius: 50%;
  background: var(--accent); color: var(--bg);
  font-size: .8rem; font-weight: 700;
  display: grid; place-items: center;
}

nav.crumb { padding: 2.5rem 0 1.5rem; font-size: .88rem; color: var(--muted); }
nav.crumb a { text-decoration: none; }

footer {
  margin-top: 4.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .87rem;
  line-height: 1.85;
}

/* メンバー */
.member { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: .5rem 1.5rem; }
.member dt { color: var(--muted); font-size: .85rem; letter-spacing: .06em; padding-top: .1rem; }
.member dd { margin: 0; }
@media (max-width: 30rem) {
  .member { grid-template-columns: 1fr; gap: 0; }
  .member dd { margin-bottom: .9rem; }
}

.nav-home img {
  display: block; width: 20px; height: auto; opacity: .8;
}
@media (prefers-color-scheme: light) {
  .nav-home img { filter: invert(.8); opacity: .55; }
}
.nav ul {
  display: flex; gap: 1.4rem; list-style: none; margin: 0; padding: 0;
}
.nav a {
  text-decoration: none; color: var(--muted);
  font-size: .76rem; letter-spacing: .14em; font-weight: 600;
  transition: color .18s;
}
.nav a:hover { color: var(--accent); }
@media (max-width: 30rem) {
  .nav { padding: .6rem 1rem; }
  /* 項目が7つになり 375px では溢れるので、詰めたうえで折り返しも許す */
  .nav ul { gap: .35rem .7rem; flex-wrap: wrap; }
  .nav a { font-size: .68rem; letter-spacing: .06em; }
}

/* セクション見出しがナビに隠れないように */
section { scroll-margin-top: 4rem; }

.contact-lead { font-size: 1rem; }

/* ── タイポグラフィ主導のヒーロー ───────── */
.hero {
  padding: clamp(6rem, 22vh, 12rem) 0 clamp(5rem, 14vh, 8rem);
}
@media (prefers-color-scheme: light) {
    }
@media (max-width: 30rem) { .br-sp { display: inline; } }

/* ── 見出し ─────────────────────────── */
h2 {
  margin: 0 0 2.25rem;
  font-size: clamp(1.6rem, 4.5vw, 2.25rem);
  font-weight: 600;
  letter-spacing: .06em;
  line-height: 1.2;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  position: relative;
}
h2 .idx {
  display: block;
  font-size: .7rem;
  letter-spacing: .2em;
  color: var(--accent);
  margin-bottom: .9rem;
  font-weight: 700;
}

/* ── 楽曲リスト ─────────────────────── */
.disco { display: grid; gap: 1rem; }
.track {
  display: grid;
  grid-template-columns: 168px 1fr;
  gap: 1.1rem;
  align-items: center;
  padding: .75rem;
  border: 1px solid var(--line);
  border-radius: .75rem;
  background: color-mix(in srgb, var(--panel) 70%, transparent);
  text-decoration: none;
  color: inherit;
  transition: border-color .18s, transform .18s, box-shadow .18s;
}
.track:hover {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.track img {
  width: 100%;
  height: auto;          /* width/height属性の presentational hint を打ち消す */
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: .5rem;
  display: block;
  background: var(--bg-deep);
}
.track .t { font-weight: 600; font-size: 1.05rem; line-height: 1.5; }
.track .o { color: var(--muted); font-size: .85rem; line-height: 1.7; margin-top: .2rem; }
.track .latest {
  display: inline-block; vertical-align: middle;
  margin-left: .55rem; padding: .1rem .5rem;
  font-size: .62rem; letter-spacing: .12em; font-weight: 700;
  border-radius: 999px;
  background: var(--accent); color: var(--bg);
}
.track .award {
  display: inline-block; vertical-align: middle;
  margin-left: .55rem; padding: .1rem .5rem;
  font-size: .62rem; letter-spacing: .08em; font-weight: 700;
  border-radius: 999px;
  border: 1px solid var(--accent); color: var(--accent);
}

@media (max-width: 30rem) {
  .track { grid-template-columns: 1fr; gap: .75rem; }
}
.more-link { margin: 2rem 0 0; font-size: .9rem; }
.more-link a { text-decoration: none; }

/* ── アプリのバナー ─────────────────── */
.banner {
  display: block; text-decoration: none; color: inherit;
  border-radius: .6rem; overflow: hidden;
  border: 1px solid var(--line);
  transition: border-color .18s;
}
.banner img {
  width: 100%; height: auto; display: block;
  transition: transform .45s cubic-bezier(.2,.7,.3,1);
}
.banner:hover { border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); }
.banner:hover img { transform: scale(1.03); }
.banner .meta {
  padding: 1rem 1.15rem 1.15rem;
  background: color-mix(in srgb, var(--panel) 70%, transparent);
}
.banner .t { font-weight: 600; font-size: 1.15rem; }
.banner .o { color: var(--muted); font-size: .86rem; line-height: 1.7; margin-top: .2rem; }
.banner .d { color: var(--accent); font-size: .86rem; margin-top: .5rem; }

.hero .lockup {
  display: block;
  width: min(34rem, 94%);
  height: auto;
  margin: 0;
  filter: invert(1);          /* 既定=ダーク。ワードマークが黒なので白へ反転 */
}
@media (prefers-color-scheme: light) {
  .hero .lockup { filter: none; }
}

/* ── 隅に立つさとり ─────────────────── */
.mascot {
  position: fixed;
  left: 1rem;
  bottom: 1rem;
  width: 72px;
  z-index: 5;
  pointer-events: none;        /* 装飾なのでクリックを奪わない */
}
.mascot img {
  width: 100%; height: auto; display: block;
  image-rendering: pixelated;  /* 拡大してもドットを滲ませない */
}
.mascot .still { display: none; }

@media (prefers-reduced-motion: reduce) {
  .mascot .anim  { display: none; }
  .mascot .still { display: block; }
}
@media (max-width: 30rem) {
  /* 狭い画面では本文が端まで来るので、左下だと左揃えのテキストに重なる。
     右下の余白へ逃がし、z-index も下げてカードの後ろに回す。 */
  .mascot { width: 44px; left: auto; right: .4rem; bottom: .6rem; z-index: 0; }
}

/* ── 即売会の出展告知 ───────────────── */
/* 会期が終わったらこの節ごと index.html から削除する。 */
.event {
  padding: 1.5rem 1.4rem;
  border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--line));
  border-radius: .75rem;
  background: color-mix(in srgb, var(--accent) 7%, transparent);
}
.event .d {
  color: var(--accent);
  font-size: .85rem; letter-spacing: .14em; font-weight: 700;
}
.event .d .dow { margin-left: .4em; opacity: .75; }
.event .t {
  font-weight: 600; font-size: 1.5rem; line-height: 1.4;
  margin-top: .45rem;
}
.event .space {
  font-size: 1.05rem; line-height: 1.7;
  margin-top: .9rem;
}
.event .space strong {
  font-size: 1.25em; letter-spacing: .04em;
  color: var(--accent);
}
.event .o { color: var(--muted); font-size: .9rem; line-height: 1.9; margin-top: .7rem; }
.event-link { margin: 1rem 0 0; font-size: .85rem; }
.event-link a { text-decoration: none; }
@media (max-width: 34rem) {
  .event { padding: 1.2rem 1.1rem; }
  .event .t { font-size: 1.25rem; }
}

/* ── ライブ履歴 ─────────────────────── */
.gigs { display: grid; gap: 1.25rem; }
.gig {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 1.5rem;
  align-items: start;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: .75rem;
  background: color-mix(in srgb, var(--panel) 70%, transparent);
}
.gig img {
  width: 100%; height: auto; display: block;
  border-radius: .4rem;
  border: 1px solid var(--line);
}
.gig .d {
  color: var(--accent);
  font-size: .78rem; letter-spacing: .14em; font-weight: 700;
}
.gig .t { font-weight: 600; font-size: 1.25rem; line-height: 1.4; margin-top: .35rem; }
.gig .o { color: var(--muted); font-size: .88rem; line-height: 1.8; margin-top: .5rem; }
.gig .cast {
  color: var(--muted); font-size: .8rem; line-height: 1.8;
  margin-top: .9rem; padding-top: .8rem;
  border-top: 1px solid var(--line);
}
@media (max-width: 34rem) {
  .gig { grid-template-columns: 1fr; gap: 1rem; }
  .gig img { max-width: 240px; }
}
.gig-link { margin: .8rem 0 0; font-size: .85rem; }
.gig-link a { text-decoration: none; }

/* リンクが2つ並ぶときの間隔（LIVE は1つだけ） */
.gig-link.two, .event-link.two { display: flex; flex-wrap: wrap; gap: .4rem 1.4rem; }

/* ── プラットフォームのアイコン ─────────── */
.chips a {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}
.chips .ico {
  width: 1.05em; height: 1.05em;
  fill: currentColor;
  flex: none;
}
.recruit {
  margin: 1rem 0 0;
  padding: .85rem 1.1rem;
  border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--line));
  border-radius: .6rem;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  font-size: .92rem;
}
.recruit a { text-decoration: none; }