:root {
  --bg: #f6f2ec; --surface: #ffffff; --surface2: #efe9e1; --ink: #1d1a22; --ink2: #5d5766; --line: #ddd5ca;
  --accent: #e2592f; --accent-ink: #fff; --teal: #138f7a; --amber: #b7790d; --pink: #c63d7a; --violet: #5a49c9;
  --play: #e2592f; --like: #138f7a; --curious: #5a49c9; --pass: #8a8392;
  --know: var(--like); --unknown: var(--pass);
  --shadow: 0 10px 30px rgba(40, 25, 10, .14);
  --radius: 18px;
  font-family: "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #14121a; --surface: #1f1c27; --surface2: #2a2634; --ink: #f3eee6; --ink2: #a9a2b5; --line: #3a3546;
    --accent: #ff8a5c; --accent-ink: #1a1015; --teal: #7ad7c3; --amber: #f2c063; --pink: #f58bb8; --violet: #a99bff;
    --play: #ff8a5c; --like: #7ad7c3; --curious: #a99bff; --pass: #8d879a;
    --shadow: 0 12px 34px rgba(0, 0, 0, .45);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #14121a; --surface: #1f1c27; --surface2: #2a2634; --ink: #f3eee6; --ink2: #a9a2b5; --line: #3a3546;
  --accent: #ff8a5c; --accent-ink: #1a1015; --teal: #7ad7c3; --amber: #f2c063; --pink: #f58bb8; --violet: #a99bff;
  --play: #ff8a5c; --like: #7ad7c3; --curious: #a99bff; --pass: #8d879a; color-scheme: dark;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--ink); }
body { overscroll-behavior: none; -webkit-tap-highlight-color: transparent; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
#app { min-height: 100%; max-width: 560px; margin: 0 auto; display: flex; flex-direction: column; }

.top { display: flex; align-items: center; gap: 10px; padding: calc(10px + env(safe-area-inset-top)) 16px 8px; }
.logo { font-weight: 800; letter-spacing: .02em; font-size: 18px; }
.logo span { color: var(--accent); }
.top .sub { color: var(--ink2); font-size: 12px; margin-left: auto; }
main { flex: 1; padding: 0 16px calc(84px + env(safe-area-inset-bottom)); }
.tabs { position: fixed; left: 0; right: 0; bottom: 0; display: flex; justify-content: center; background: color-mix(in srgb, var(--surface) 92%, transparent); backdrop-filter: blur(10px); border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom); z-index: 20; }
.tabs button { flex: 1; max-width: 140px; background: none; border: 0; padding: 9px 0 10px; font-size: 11px; color: var(--ink2); display: flex; flex-direction: column; align-items: center; gap: 2px; }
.tabs button b { font-size: 20px; font-weight: 400; line-height: 1.1; }
.tabs button.on { color: var(--accent); font-weight: 700; }

h2 { font-size: 20px; margin: 10px 0 6px; }
h3 { font-size: 15px; margin: 18px 0 8px; }
p.note, .note { color: var(--ink2); font-size: 13px; line-height: 1.6; margin: 4px 0 10px; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin: 10px 0; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.grow { flex: 1; min-width: 0; }
input[type=text], input[type=password], select { width: 100%; padding: 12px 13px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface2); outline: none; }
input:focus, select:focus { border-color: var(--accent); }
label.f { display: block; font-size: 12px; color: var(--ink2); margin: 10px 0 4px; }
.btn { border: 0; border-radius: 999px; padding: 12px 18px; background: var(--accent); color: var(--accent-ink); font-weight: 700; }
.btn.ghost { background: var(--surface2); color: var(--ink); }
.btn.small { padding: 7px 12px; font-size: 13px; }
.btn.wide { width: 100%; }
.btn:disabled { opacity: .45; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: 7px 12px; font-size: 13px; }
.chip.on { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.chip.mini { padding: 3px 9px; font-size: 11px; }
.seg { display: flex; background: var(--surface2); border-radius: 12px; padding: 3px; gap: 2px; }
.seg button { flex: 1; border: 0; background: none; padding: 8px 4px; border-radius: 9px; font-size: 13px; color: var(--ink2); }
.seg button.on { background: var(--surface); color: var(--ink); font-weight: 700; box-shadow: 0 1px 4px rgba(0,0,0,.12); }
.err { color: #d33; font-size: 13px; min-height: 18px; margin-top: 6px; }
.empty { text-align: center; color: var(--ink2); padding: 40px 10px; font-size: 14px; line-height: 1.7; }
.toast { position: fixed; left: 50%; bottom: calc(96px + env(safe-area-inset-bottom)); transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 999px; font-size: 13px; z-index: 60; display: flex; gap: 12px; align-items: center; box-shadow: var(--shadow); max-width: 92vw; }
.toast button { background: none; border: 0; color: var(--accent); font-weight: 700; padding: 0; }

/* ---- スワイプ ---- */
.deck { position: relative; height: min(60vh, 540px); margin: 4px 0 6px; touch-action: none; user-select: none; }
.card { position: absolute; inset: 64px 66px; z-index: 2; will-change: transform; perspective: 1400px; }
.card.back { transform: scale(.94) translateY(12px); opacity: .7; filter: saturate(.7); z-index: 1; }
.card-inner { position: absolute; inset: 0; transform-style: preserve-3d; transition: transform .5s cubic-bezier(.3,.7,.3,1); }
.face { position: absolute; inset: 0; border-radius: 24px; padding: 18px 16px; display: flex; flex-direction: column; color: #fff; box-shadow: var(--shadow); overflow: hidden; backface-visibility: hidden; -webkit-backface-visibility: hidden; }
.face::after { content: ""; position: absolute; inset: 0; background: radial-gradient(120% 70% at 85% 0%, rgba(255,255,255,.22), transparent 60%); pointer-events: none; }
.fliphint-old { margin-top: 10px; border: 1px solid rgba(255,255,255,.55); background: rgba(0,0,0,.18); color: #fff; border-radius: 99px; padding: 6px 12px; font-size: 12px; font-weight: 700; align-self: flex-start; }
.card .type { font-size: 10px; letter-spacing: .14em; font-weight: 700; opacity: .85; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; padding-right: 54px; }
.card .type .ai { background: rgba(0,0,0,.25); padding: 2px 7px; border-radius: 99px; letter-spacing: 0; }
.card .reason { margin-top: 10px; font-size: 12.5px; background: rgba(0,0,0,.22); border-radius: 10px; padding: 7px 10px; line-height: 1.5; align-self: flex-start; }
.card .body { margin-top: auto; }
.card .title { font-size: clamp(22px, 6.6vw, 32px); font-weight: 800; line-height: 1.15; word-break: break-word; text-shadow: 0 2px 12px rgba(0,0,0,.2); }
.card .artist { font-size: 15px; margin-top: 5px; opacity: .92; }
.card .meta { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 12px; }
.card .meta span { font-size: 11px; background: rgba(255,255,255,.2); border-radius: 99px; padding: 3px 9px; }
.card .social { font-size: 12px; margin-top: 8px; opacity: .95; }
.card .flag { position: absolute; right: 12px; top: 14px; background: none; border: 0; color: #fff; opacity: .7; font-size: 11px; z-index: 2; }
.stamp { position: absolute; padding: 6px 12px; border: 3px solid #fff; border-radius: 12px; font-weight: 800; font-size: 19px; opacity: 0; transform: rotate(-8deg); pointer-events: none; background: rgba(0,0,0,.15); }
.stamp.up { top: 40%; left: 50%; translate: -50% 0; } .stamp.right { top: 30px; left: 14px; }
.stamp.left { top: 30px; right: 14px; transform: rotate(8deg); } .stamp.down { bottom: 34px; left: 50%; translate: -50% 0; }
/* カードの周りの4つの答え（タップでも答えられる） */
.dz { --p: 0; --c: var(--ink2); position: absolute; z-index: 3; border: 0; background: none; padding: 0; display: flex; align-items: center; gap: 4px; color: var(--c); font-weight: 800; font-size: 12px; letter-spacing: .04em; transition: transform .15s; transform: scale(calc(1 + var(--p) * .18)); }
.dz.play { --c: var(--play); } .dz.know { --c: var(--like); } .dz.curious { --c: var(--curious); } .dz.unknown { --c: var(--pass); }
.dz-ic { position: relative; width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; border: 2px solid var(--c); background: var(--surface); box-shadow: 0 4px 14px color-mix(in srgb, var(--c) 25%, transparent); overflow: hidden; }
.dz-ic::before { content: ""; position: absolute; inset: 0; background: var(--c); opacity: var(--p); transition: opacity .12s; }
.dz-ic svg { position: relative; color: var(--c); transition: color .12s; }
.dz[style*="--p: 1"] .dz-ic svg, .dz[style*="--p: 0."] .dz-ic svg { color: var(--surface); }
.dz-l { background: var(--surface); padding: 3px 9px; border-radius: 99px; border: 1px solid color-mix(in srgb, var(--c) 40%, var(--line)); white-space: nowrap; }
.dz.up { top: 4px; left: 50%; margin-left: -60px; width: 120px; flex-direction: row; justify-content: center; }
.dz.down { bottom: 4px; left: 50%; margin-left: -60px; width: 120px; flex-direction: row-reverse; justify-content: center; }
.dz.down .dz-ic svg { transform: rotate(180deg); }
.dz.left, .dz.right { top: 50%; translate: 0 -50%; flex-direction: column; width: 58px; }
.dz.left { left: 2px; } .dz.right { right: 2px; }
.dz.left .dz-ic svg { transform: rotate(-90deg); } .dz.right .dz-ic svg { transform: rotate(90deg); }
.dz.up .dz-ic, .dz.down .dz-ic { width: 40px; height: 40px; }
.dz:focus-visible .dz-ic { outline: 3px solid var(--c); outline-offset: 2px; }
.deckbar { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; font-size: 13px; color: var(--ink2); }

/* ---- 登録 ---- */
.entry-list { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.entry { display: flex; align-items: center; gap: 8px; background: var(--surface2); border-radius: 12px; padding: 8px 10px; font-size: 14px; }
.entry .k { font-size: 10px; padding: 2px 7px; border-radius: 99px; background: var(--surface); color: var(--ink2); white-space: nowrap; }
.entry .v { margin-left: auto; font-size: 12px; font-weight: 700; white-space: nowrap; }
.suggest { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; margin-top: 4px; overflow: hidden; }
.suggest button { display: block; width: 100%; text-align: left; border: 0; background: none; padding: 9px 12px; font-size: 14px; border-bottom: 1px solid var(--line); }
.suggest button:last-child { border-bottom: 0; }
.suggest small { color: var(--ink2); }

/* ---- つながり ---- */
.graphwrap { position: relative; height: min(62vh, 560px, 125vw); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; touch-action: none; }
.graphwrap canvas { width: 100%; height: 100%; display: block; outline: none; cursor: grab; }
.graphwrap canvas:active { cursor: grabbing; }
.graphwrap canvas:focus-visible { box-shadow: inset 0 0 0 2px var(--accent); }
.gtools { margin: 6px 0 8px; }
.gtools input { padding: 10px 12px; font-size: 14px; }
.gstats { position: absolute; top: 10px; left: 10px; display: flex; gap: 6px; flex-wrap: wrap; pointer-events: none; max-width: calc(100% - 60px); }
.gstats span { font-size: 11px; color: var(--ink2); background: color-mix(in srgb, var(--surface) 88%, transparent); border: 1px solid var(--line); border-radius: 99px; padding: 3px 9px; font-variant-numeric: tabular-nums; }
.gstats b { color: var(--ink); }
.gzoom { position: absolute; top: 10px; right: 10px; display: flex; flex-direction: column; gap: 6px; }
.gzoom button { width: 36px; height: 36px; border-radius: 10px; border: 1px solid var(--line); background: color-mix(in srgb, var(--surface) 92%, transparent); font-size: 17px; line-height: 1; }
.gdetail { position: absolute; left: 8px; right: 8px; bottom: 8px; max-height: 45%; overflow: auto; background: color-mix(in srgb, var(--surface) 96%, transparent); border: 1px solid var(--line); border-radius: 16px; padding: 12px 14px; box-shadow: var(--shadow); font-size: 13px; overscroll-behavior: contain; }
.gdetail .gd-x { position: sticky; float: right; top: 0; border: 0; background: var(--surface2); border-radius: 99px; width: 28px; height: 28px; }
.gd-k { font-size: 11px; color: var(--ink2); letter-spacing: .04em; }
.gd-t { font-size: 17px; display: block; margin: 2px 0 6px; }
.gd-sim { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--ink2); margin: 4px 0; }
.gd-sim .meter { width: 110px; }
.gd-sim b { color: var(--ink); font-variant-numeric: tabular-nums; }
.gd-act { margin-top: 10px; }
.gdetail .chips { margin-top: 6px; }
.glegend { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin: 8px 0 2px; }
.gl-title { font-size: 11px; color: var(--ink2); width: 100%; }
.gchip { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: var(--surface); border-radius: 99px; padding: 5px 10px; font-size: 12px; }
.gchip i, .gl-kinds i { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.gchip small { color: var(--ink2); }
.gl-kinds { display: flex; flex-wrap: wrap; gap: 10px; font-size: 11px; color: var(--ink2); width: 100%; margin-top: 4px; }
.gl-kinds span { display: inline-flex; align-items: center; gap: 4px; }
.gl-kinds i.ring { border: 1.5px dashed var(--ink2); }
.crumb { display: flex; gap: 4px; flex-wrap: wrap; align-items: center; font-size: 13px; margin: 8px 0 0; }
.crumb button { border: 0; background: none; color: var(--accent); padding: 2px 0; font-weight: 700; }
.crumb span { color: var(--ink2); }
.sheet { position: fixed; left: 0; right: 0; bottom: 0; max-width: 560px; margin: 0 auto; background: var(--surface); border-radius: 22px 22px 0 0; box-shadow: var(--shadow); padding: 14px 16px calc(20px + env(safe-area-inset-bottom)); z-index: 40; max-height: 70vh; overflow: auto; }
.sheet .grab { width: 40px; height: 4px; border-radius: 4px; background: var(--line); margin: 0 auto 10px; }
.sheet .close { float: right; border: 0; background: var(--surface2); border-radius: 99px; width: 30px; height: 30px; }
.scrim { position: fixed; inset: 0; background: rgba(0,0,0,.3); z-index: 39; }

/* ---- メンバー・バンド ---- */
.av { width: 34px; height: 34px; border-radius: 50%; background: var(--surface2); display: inline-flex; align-items: center; justify-content: center; font-size: 18px; flex: none; }
.member { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.member:last-child { border-bottom: 0; }
.member .nm { font-weight: 700; font-size: 14px; }
.member .pt { font-size: 12px; color: var(--ink2); }
.band { border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); margin: 12px 0; overflow: hidden; }
.band .head { padding: 12px 14px; background: var(--surface2); display: flex; align-items: center; gap: 8px; }
.band .lineup { display: flex; flex-wrap: wrap; gap: 6px; padding: 10px 14px 4px; }
.band .lineup .m { display: flex; align-items: center; gap: 6px; background: var(--surface2); border-radius: 99px; padding: 4px 10px 4px 4px; font-size: 13px; }
.band .lineup .m .av { width: 26px; height: 26px; font-size: 14px; }
.band .lineup .m em { font-style: normal; font-size: 11px; color: var(--ink2); }
.song { padding: 10px 14px; border-top: 1px solid var(--line); }
.song .t { font-weight: 700; font-size: 14px; }
.song .a { font-size: 12px; color: var(--ink2); }
.dots { display: flex; gap: 4px; margin-top: 6px; flex-wrap: wrap; }
.dot { font-size: 11px; padding: 2px 7px; border-radius: 99px; background: var(--surface2); }
.dot.play { background: color-mix(in srgb, var(--play) 22%, transparent); }
.dot.like { background: color-mix(in srgb, var(--like) 22%, transparent); }
.meter { height: 6px; border-radius: 6px; background: var(--surface2); overflow: hidden; width: 70px; display: inline-block; vertical-align: middle; }
.meter i { display: block; height: 100%; background: var(--accent); }
.list-item { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.list-item:last-child { border-bottom: 0; }
.list-item .grow small { display: block; color: var(--ink2); font-size: 12px; }
.bar { height: 8px; border-radius: 8px; background: var(--accent); }
.auth { padding: 24px 4px; }
.hero { text-align: center; padding: 26px 0 10px; }
.hero .logo { font-size: 30px; }
.hero p { color: var(--ink2); font-size: 14px; line-height: 1.7; }
.emoji-pick { display: flex; flex-wrap: wrap; gap: 6px; }
.emoji-pick button { width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface); font-size: 20px; }
.emoji-pick button.on { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 15%, var(--surface)); }
a { color: var(--accent); }

/* ---- チュートリアル ---- */
.tour-invite { position: fixed; inset: 0; z-index: 80; background: rgba(10, 8, 14, .6); display: grid; place-items: center; padding: 20px max(20px, env(safe-area-inset-left, 0px)); }
.ti-card { background: var(--surface); border-radius: 24px; padding: 26px 22px 22px; max-width: 360px; width: 100%; text-align: center; box-shadow: var(--shadow); }
.ti-num { font-size: 54px; font-weight: 800; color: var(--accent); line-height: 1; font-variant-numeric: tabular-nums; }
.ti-num small { font-size: 18px; margin-left: 2px; }
.ti-card h2 { font-size: 19px; margin: 12px 0 6px; text-wrap: balance; }
.ti-card p { color: var(--ink2); font-size: 14px; line-height: 1.7; margin: 0 0 18px; }
.tour { position: fixed; inset: 0; z-index: 80; }
.tour-hole { position: fixed; border-radius: 16px; box-shadow: 0 0 0 9999px rgba(10, 8, 14, .62); transition: all .6s cubic-bezier(.2, .7, .1, 1); pointer-events: none; outline: 2px solid var(--accent); }
.tour-tip { position: fixed; left: max(14px, env(safe-area-inset-left, 0px)); right: max(14px, env(safe-area-inset-right, 0px)); max-width: 520px; margin: 0 auto; background: var(--surface); border-radius: 16px; padding: 14px 16px; box-shadow: var(--shadow); transition: top .3s ease; }
.tour-tip b { font-size: 16px; }
.tour-tip p { font-size: 13.5px; line-height: 1.7; color: var(--ink2); margin: 6px 0 12px; }
.tt-step { font-size: 11px; color: var(--accent); font-weight: 700; letter-spacing: .06em; margin-bottom: 2px; font-variant-numeric: tabular-nums; }
.tt-skip { background: none; border: 0; color: var(--ink2); font-size: 13px; padding: 4px 0; }
@media (prefers-reduced-motion: reduce) { .tour-hole, .tour-tip, .dz, .dz-ic::before { transition: none; } }

.tt-dirs { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-top: 10px; }
.tt-dir { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; color: var(--c); font-size: 13px; }
.tt-dir i { width: 24px; height: 24px; border-radius: 50%; border: 2px solid var(--c); display: grid; place-items: center; }
.tt-dir i svg { width: 14px; height: 14px; }
.tt-dir:nth-child(2) i svg { transform: rotate(90deg); } .tt-dir:nth-child(3) i svg { transform: rotate(180deg); } .tt-dir:nth-child(4) i svg { transform: rotate(-90deg); }
@keyframes wiggle { 0%, 100% { transform: none; } 20% { transform: translateX(18px) rotate(2deg); } 45% { transform: translateY(-16px); } 70% { transform: translateX(-18px) rotate(-2deg); } }
.card.wiggle { animation: wiggle 2.4s ease-in-out infinite; }
@media (prefers-reduced-motion: reduce) { .card.wiggle { animation: none; } }
.badge { display: inline-block; font-size: 10px; font-weight: 700; color: var(--ink2); background: var(--surface2); border-radius: 99px; padding: 1px 7px; margin-left: 6px; vertical-align: 1px; }
.switch-row { display: flex; align-items: center; gap: 12px; cursor: pointer; }
.switch-row small { display: block; color: var(--ink2); font-size: 12px; line-height: 1.5; margin-top: 2px; }
.switch { appearance: none; width: 48px; height: 28px; border-radius: 99px; background: var(--line); position: relative; flex: none; cursor: pointer; transition: background .2s; }
.switch::after { content: ""; position: absolute; top: 3px; left: 3px; width: 22px; height: 22px; border-radius: 50%; background: var(--surface); box-shadow: 0 1px 3px rgba(0,0,0,.25); transition: left .2s; }
.switch:checked { background: var(--accent); }
.switch:checked::after { left: 23px; }
.switch:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent); outline-offset: 2px; }

.sendbar { display: flex; gap: 8px; margin-top: 4px; }
.sendbar input { flex: 1; min-width: 0; padding: 11px 14px; border-radius: 999px; font-size: 14px; }
.sendhint { font-size: 11px; color: var(--ink2); margin: 5px 4px 0; }
.tt-step { display: flex; align-items: center; gap: 8px; }
.tt-tag, .ti-tag { display: inline-block; font-size: 11px; font-weight: 800; letter-spacing: .08em; color: var(--accent-ink); background: var(--accent); border-radius: 99px; padding: 2px 10px; }
.ti-tag { font-size: 12px; padding: 4px 14px; margin-bottom: 12px; }
.ti-steps { display: flex; justify-content: center; gap: 8px; margin: -6px 0 16px; }
.ti-steps i { font-style: normal; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; font-weight: 700; border: 1.5px solid var(--accent); color: var(--accent); }
.ti-card .tt-skip { margin-top: 10px; }

/* アーティストのカード：中に曲のカードが入っていることを見せる */
.card.has-songs .face.front { box-shadow: 0 7px 0 -3px rgba(255,255,255,.55), 0 14px 0 -6px rgba(255,255,255,.3), var(--shadow); }
.songfan { margin-top: 12px; border: 0; background: none; color: #fff; padding: 0; display: flex; flex-direction: column; align-items: flex-start; gap: 8px; cursor: pointer; width: 100%; }
.sf-cards { position: relative; height: 46px; width: 100%; }
.sf-card { position: absolute; left: calc(var(--i) * 27%); bottom: 0; width: 44%; max-width: 128px; height: 40px; border-radius: 9px; background: rgba(255,255,255,.94); color: #2a2230; font-size: 11px; font-weight: 700; display: flex; align-items: center; gap: 5px; padding: 0 9px; box-shadow: 0 4px 10px rgba(0,0,0,.22); transform: rotate(calc((var(--i) - 1) * 5deg)); transform-origin: bottom center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: transform .2s; }
.sf-card em { font-style: normal; color: #d0573a; font-size: 13px; }
.songfan:hover .sf-card, .songfan:focus-visible .sf-card { transform: rotate(calc((var(--i) - 1) * 9deg)) translateY(-4px); }
.sf-label { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 800; background: rgba(0,0,0,.25); padding: 5px 12px 5px 6px; border-radius: 99px; }
.sf-tap { position: relative; width: 20px; height: 20px; flex: none; font-style: normal; font-size: 15px; line-height: 20px; text-align: center; }
.sf-tap::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid rgba(255,255,255,.8); animation: tapring 1.6s ease-out infinite; }
@keyframes tapring { 0% { transform: scale(.6); opacity: 1; } 100% { transform: scale(1.5); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .sf-tap::after { animation: none; } .sf-card { transition: none; } }

/* 試聴 */
.listen { margin-top: 12px; align-self: flex-start; display: inline-flex; align-items: center; gap: 8px; border: 0; border-radius: 99px; padding: 6px 14px 6px 6px; background: rgba(255,255,255,.95); color: #2a2230; font-weight: 800; font-size: 13px; box-shadow: 0 4px 12px rgba(0,0,0,.2); }
.ls-ic { width: 26px; height: 26px; border-radius: 50%; background: var(--play); color: #fff; display: grid; place-items: center; font-size: 11px; padding-left: 2px; }
.pip { position: fixed; right: max(12px, env(safe-area-inset-right, 0px)); bottom: calc(88px + env(safe-area-inset-bottom, 0px)); width: min(290px, calc(100vw - 24px)); z-index: 70; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); overflow: hidden; }
.pip-bar { display: flex; align-items: center; gap: 6px; padding: 6px 6px 6px 8px; cursor: grab; touch-action: none; user-select: none; }
.pip-grip { width: 4px; height: 22px; border-radius: 4px; background: repeating-linear-gradient(var(--ink2) 0 2px, transparent 2px 5px); opacity: .5; flex: none; }
.pip-t { flex: 1; min-width: 0; font-size: 11px; color: var(--ink2); line-height: 1.3; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.pip-t b { display: block; font-size: 12.5px; color: var(--ink); overflow: hidden; text-overflow: ellipsis; }
.pip-b { width: 30px; height: 30px; border-radius: 50%; border: 0; background: var(--surface2); font-size: 14px; flex: none; }
.pip-body { aspect-ratio: 16 / 9; background: #000; max-width: 100%; }
.pip-body iframe { width: 100%; height: 100%; border: 0; display: block; }
.pip-empty { height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; color: #ddd; font-size: 12px; text-align: center; padding: 10px; background: #1d1a22; }
.pip-empty p { margin: 0; }
.pip-fix { display: flex; gap: 6px; padding: 6px; }
.pip-fix input { padding: 7px 10px; font-size: 12px; border-radius: 99px; }
.pip-alt { border: 0; background: none; color: var(--ink2); font-size: 11px; padding: 6px 10px; text-decoration: underline; }
.pip.min .pip-body, .pip.min .pip-fix, .pip.min .pip-alt { display: none; }


/* マップ内の経路（左上）と家のボタン（右上） */
.gcrumb { position: absolute; top: 10px; left: 10px; right: 58px; display: flex; flex-wrap: wrap; align-items: center; gap: 4px; font-size: 12px; pointer-events: none; }
.gcrumb > * { pointer-events: auto; background: color-mix(in srgb, var(--surface) 90%, transparent); border-radius: 99px; padding: 4px 10px; line-height: 1.3; }
.gcrumb > span[aria-hidden] { background: none; padding: 0; color: var(--ink2); }
.gcrumb button { border: 1px solid var(--line); color: var(--accent); font-weight: 700; font-size: 12px; }
.gcrumb b { border: 1px solid var(--ink); font-size: 12px; max-width: 60vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ghome { position: absolute; top: 8px; right: 8px; width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--line); background: color-mix(in srgb, var(--surface) 92%, transparent); color: var(--ink); display: grid; place-items: center; }
.ghome:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* 曲のカードの下のボタン（試聴・他の曲・知らない） */
.card-acts { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.card-acts .listen { margin-top: 0; padding: 4px 12px 4px 4px; font-size: 12px; }
.card-acts .ls-ic { width: 22px; height: 22px; font-size: 10px; }
.cact-row { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.cact { border: 1px solid rgba(255,255,255,.55); background: rgba(0,0,0,.22); color: #fff; border-radius: 10px; padding: 5px 3px; font-size: 10px; letter-spacing: -0.02em; font-weight: 700; line-height: 1.3; text-align: center; min-width: 0; white-space: nowrap; }
.cact:active { background: rgba(0,0,0,.35); }

.card .title.long { font-size: clamp(19px, 5.4vw, 26px); }
.card .social { font-size: 11px; }

/* ---------- 登録直後のアンケート ---------- */
.survey { animation: sv-in .5s ease both; }
.sv-head { margin: 8px 0 18px; }
.sv-tag { display: inline-block; font-size: 12px; font-weight: 800; letter-spacing: .06em; color: var(--accent); }
.sv-tag b { font-variant-numeric: tabular-nums; margin-left: 4px; }
.sv-head h2 { font-size: 24px; margin: 6px 0 6px; text-wrap: balance; }
.sv-head p { color: var(--ink2); font-size: 14px; line-height: 1.7; margin: 0; }
.sv-group { margin-bottom: 14px; }
.sv-gn { font-size: 12px; font-weight: 700; color: var(--ink2); margin-bottom: 6px; }
.survey .chips { display: flex; flex-wrap: wrap; gap: 8px; }
#sv-sel { margin-top: 12px; }
.sv-foot { display: flex; align-items: center; gap: 10px; margin-top: 22px; position: sticky; bottom: 0; padding: 12px 0 calc(12px + env(safe-area-inset-bottom, 0px)); background: linear-gradient(transparent, var(--bg) 30%); }
@keyframes sv-in { from { opacity: 0; transform: translateY(8px); } }

/* ---------- バンド：メンバーのカード一覧 ---------- */
.mg-bar { display: flex; align-items: center; gap: 6px; margin-bottom: 10px; font-size: 13px; font-weight: 700; color: var(--ink2); }
.mgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 8px; }
.mcard { position: relative; display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 12px 6px 10px; border-radius: 14px; border: 1.5px solid var(--line); background: var(--surface2); color: var(--ink); min-width: 0; filter: grayscale(1); opacity: .45; transition: opacity .2s, filter .2s, border-color .2s, transform .15s; }
.mcard:active { transform: scale(.97); }
.mcard.on { filter: none; opacity: 1; border-color: var(--accent); background: var(--surface); box-shadow: 0 2px 10px rgba(0,0,0,.08); }
.mcard .av { font-size: 26px; line-height: 1.2; }
.mcard .nm { font-weight: 700; font-size: 13px; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mcard .pt { font-size: 10.5px; color: var(--ink2); max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mcard .you { position: absolute; top: 5px; right: 6px; font-size: 9.5px; font-weight: 800; color: var(--accent); }
.auto-hero { text-align: center; padding: 22px 18px; }
.btn.big { padding: 16px 20px; font-size: 16px; }
.res-bar { display: flex; align-items: center; gap: 8px; margin: 14px 2px 8px; }

/* ---------- チュートリアル：重みのあるフェードイン ---------- */
.tour-invite { animation: ti-bg .9s ease both; backdrop-filter: blur(0px); }
.tour-invite .ti-card { animation: ti-card 1s cubic-bezier(.2, .7, .1, 1) .3s both; }
.tour-invite .ti-tag { animation: ti-tag 1.1s cubic-bezier(.2, .7, .1, 1) .5s both; }
.tour-invite h2, .tour-invite .ti-num { animation: ti-rise .9s cubic-bezier(.2, .7, .1, 1) .65s both; }
.tour-invite p { animation: ti-rise .9s cubic-bezier(.2, .7, .1, 1) .8s both; }
.tour-invite .ti-steps i { animation: ti-pop .5s cubic-bezier(.3, 1.5, .5, 1) var(--d, 1s) both; }
.tour-invite .btn, .tour-invite .tt-skip { animation: ti-rise .8s ease 1.1s both; }
.tour-invite.out { animation: ti-out .38s ease forwards; }
.tour-in { animation: ti-fade .7s ease both; }
.tour-tip.in { animation: tt-in .7s cubic-bezier(.2, .7, .1, 1) .15s both; }
@keyframes ti-bg { from { background: rgba(10, 8, 14, 0); backdrop-filter: blur(0); } to { background: rgba(10, 8, 14, .72); backdrop-filter: blur(4px); } }
@keyframes ti-card { from { opacity: 0; transform: translateY(24px) scale(.94); filter: blur(8px); } }
@keyframes ti-tag { from { opacity: 0; letter-spacing: .5em; } }
@keyframes ti-rise { from { opacity: 0; transform: translateY(10px); } }
@keyframes ti-pop { from { opacity: 0; transform: scale(.4); } }
@keyframes ti-out { to { opacity: 0; } }
@keyframes ti-fade { from { opacity: 0; } }
@keyframes tt-in { from { opacity: 0; transform: translateY(12px); filter: blur(4px); } }
@media (prefers-reduced-motion: reduce) {
  .tour-invite, .tour-invite *, .tour-in, .tour-tip.in, .survey { animation: none !important; }
}
.sv-cnt { font-size: 13px; font-weight: 700; color: var(--ink2); text-align: center; }
.locked { text-align: center; padding: 24px 18px; }
.locked .lk-ic { font-size: 34px; margin-bottom: 6px; }
.locked code { background: var(--surface2); border-radius: 6px; padding: 1px 5px; font-size: 12px; }

/* ---------- 読み込み中 ---------- */
.spin { display: inline-block; width: 16px; height: 16px; border-radius: 50%; border: 2.5px solid color-mix(in srgb, var(--accent) 25%, transparent); border-top-color: var(--accent); animation: spin .8s linear infinite; flex: none; }
.spin.big { width: 34px; height: 34px; border-width: 3.5px; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading-pill { position: fixed; top: calc(10px + env(safe-area-inset-top, 0px)); left: 50%; z-index: 120; display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 999px; background: var(--surface); color: var(--ink); font-size: 13px; font-weight: 700; box-shadow: var(--shadow); opacity: 0; transform: translate(-50%, -8px); pointer-events: none; transition: opacity .2s, transform .2s; }
.loading-pill.on { opacity: 1; transform: translate(-50%, 0); }
.loading-view { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; min-height: 50vh; color: var(--ink2); font-size: 14px; font-weight: 700; animation: lv-in .3s ease .25s both; }
@keyframes lv-in { from { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .spin { animation-duration: 2.4s; } }

/* ---------- スマホ縦画面での文字の折り返し ---------- */
/* 日本語は文節で改行（対応ブラウザ）、行の長さをそろえる。見出しは行の長さを均等に */
body { line-break: strict; }
p, .note, .reason, .card, .tour-tip, .ti-card, .sv-head, .auth, .panel, .empty { word-break: auto-phrase; text-wrap: pretty; }
h1, h2, h3, .card .title, .card .reason, .ti-card h2, .tour-tip b, .sv-head h2 { text-wrap: balance; }
.ph { display: inline-block; }
.nw { white-space: nowrap; }
.card .social { display: flex; flex-wrap: wrap; gap: 2px 12px; }
.hero p { text-wrap: balance; line-height: 1.8; }

/* 登録のアイコン：枠の真ん中にそろえる（iPhone の Safari のボタン余白を消す） */
.emoji-pick { display: grid; grid-template-columns: repeat(auto-fill, minmax(42px, 1fr)); gap: 6px; }
.emoji-pick button { width: auto; height: auto; aspect-ratio: 1; padding: 0; margin: 0; display: grid; place-items: center; line-height: 1; font-size: 22px; -webkit-appearance: none; appearance: none; }

/* キーワードのカードの曲：重ねずに、縦に並べる */
.sf-cards { position: static; height: auto; display: flex; flex-direction: column; gap: 5px; }
.sf-card { position: static; width: auto; max-width: 100%; height: 30px; transform: none; align-self: flex-start; }
.songfan:hover .sf-card, .songfan:focus-visible .sf-card { transform: translateX(3px); }
.sf-card { height: 28px; }

/* スマホの縦画面：左右の答えボタンを細くして、カードを広く・縦長に使う */
@media (max-width: 430px) {
  .deck { height: min(66vh, 560px); }
  .card { inset: 58px 50px; }
  .dz.left, .dz.right { width: 46px; }
  .dz.left { left: 0; } .dz.right { right: 0; }
  .dz.left .dz-ic, .dz.right .dz-ic { width: 40px; height: 40px; }
  .dz-l { font-size: 11px; padding: 2px 6px; letter-spacing: 0; }
  .face { padding: 16px 14px; }
  .card .meta span { font-size: 10.5px; padding: 3px 8px; }
  .sf-label { white-space: nowrap; }
  .cact { font-size: 9.5px; }
}

/* マップ右上：全画面ボタン（いちばん右）とホームボタン（その左） */
.gfull { position: absolute; top: 8px; right: 8px; width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--line); background: color-mix(in srgb, var(--surface) 92%, transparent); color: var(--ink); display: grid; place-items: center; z-index: 2; }
.gfull:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.ghome { right: 56px; }
.gcrumb { right: 104px; }
.graphwrap.full { position: fixed; inset: 0; z-index: 45; height: auto; border: 0; border-radius: 0; }
.graphwrap.full .gfull, .graphwrap.full .ghome { top: calc(8px + env(safe-area-inset-top, 0px)); }
.graphwrap.full .gfull { right: calc(8px + env(safe-area-inset-right, 0px)); }
.graphwrap.full .ghome { right: calc(56px + env(safe-area-inset-right, 0px)); }
.graphwrap.full .gcrumb { top: calc(10px + env(safe-area-inset-top, 0px)); left: calc(10px + env(safe-area-inset-left, 0px)); }
.graphwrap:fullscreen { width: 100vw; height: 100vh; border-radius: 0; }
body.map-full { overflow: hidden; }
body.map-full .tabs, body.map-full .loading-pill { z-index: 44; }