:root { --ink: #1c1433; --pink: #ff2d7a; --yellow: #fff200; --cyan: #00e5ff; }
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: radial-gradient(ellipse at 50% 0%, #3a1d5c 0%, #1c1433 55%, #0d0918 100%) fixed; color: #fff;
  font-family: "M PLUS 1p", "Hiragino Sans", "Yu Gothic UI", system-ui, sans-serif; }
body { display: grid; place-items: center; padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left)); }
.box { width: min(560px, 100%); text-align: center; }
.logo { margin: 0 0 6px; display: flex; flex-direction: column; align-items: center; transform: skewX(-9deg); line-height: 1; }
.logo .lm { font: 900 clamp(40px, 11vw, 68px)/1 "Russo One", "Arial Black", sans-serif; background: linear-gradient(180deg, var(--pink), var(--yellow)); -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(3px 0 0 rgba(0, 229, 255, .7)) drop-shadow(-3px 0 0 rgba(255, 45, 122, .6)); }
.logo .ls { font: 900 clamp(15px, 4vw, 22px)/1.2 "Russo One", "Arial Black", sans-serif; color: var(--yellow); letter-spacing: .06em; }
.who { margin: 10px 0 22px; font-size: 13px; color: #c9c3e6; }
form { display: grid; gap: 10px; text-align: left; }
label { font-size: 13px; font-weight: 900; color: var(--cyan); }
input { width: 100%; font: 700 18px/1.2 system-ui; padding: 12px 14px; border-radius: 10px; border: 3px solid #fff; background: rgba(0, 0, 0, .45); color: #fff; }
input:focus { outline: none; border-color: var(--yellow); box-shadow: 0 0 0 3px rgba(255, 242, 0, .35); }
button, .btn { display: block; width: 100%; font: 900 18px/1.2 "M PLUS 1p", system-ui, sans-serif; padding: 14px; border-radius: 12px; border: 3px solid var(--ink); background: var(--yellow); color: var(--ink);
  box-shadow: 4px 4px 0 var(--pink); cursor: pointer; text-decoration: none; text-align: center; }
button:active, .btn:active { transform: translate(2px, 2px); box-shadow: 2px 2px 0 var(--pink); }
.btn.sub { background: rgba(0, 0, 0, .55); color: #fff; border-color: var(--cyan); box-shadow: 4px 4px 0 rgba(0, 229, 255, .45); }
.btn small { display: block; font-size: 12px; font-weight: 700; margin-top: 3px; opacity: .85; }
.err { margin: 0; color: #ff8fb3; font-weight: 900; font-size: 14px; }
.note { margin: 22px 0 0; font-size: 12px; line-height: 1.7; color: #a59fc4; }
.picks { display: grid; gap: 14px; margin-top: 8px; }
.rec { display: inline-block; margin-left: 6px; font-size: 11px; padding: 2px 6px; border-radius: 5px; background: var(--pink); color: #fff; vertical-align: 2px; }
.howto { margin-top: 22px; text-align: left; font-size: 13px; line-height: 1.7; background: rgba(0, 0, 0, .35); border: 2px solid rgba(255, 255, 255, .2); border-radius: 12px; padding: 12px 14px; }
.howto b { color: var(--yellow); }
.howto p { margin: 4px 0; }
.out { display: inline-block; margin-top: 18px; color: #a59fc4; font-size: 12px; }
[hidden] { display: none !important; }
/* スマホ横持ち（高さが低い）：ロゴを小さく、版のボタンを横に並べて1画面に収める */
@media (max-height: 480px) {
  body { place-items: start center; }
  .box { width: min(760px, 100%); }
  .logo .lm { font-size: 40px; } .logo .ls { font-size: 14px; }
  .who { margin: 6px 0 12px; }
  .picks { grid-template-columns: 1fr 1fr; gap: 12px; }
  .howto { margin-top: 12px; padding: 8px 12px; }
  .howto .land { display: none; }
  .note { margin-top: 12px; }
  form { gap: 7px; }
  input { padding: 9px 12px; }
  button, .btn { padding: 11px; }
}
/* v190：初回ダウンロード（スマホ）・保存データの削除 */
.dl { margin-top: 8px; text-align: left; background: rgba(0, 0, 0, .35); border: 2px solid rgba(255, 255, 255, .2); border-radius: 12px; padding: 10px 14px 12px; }
.dl h2 { margin: 0 0 6px; font-size: 18px; color: var(--yellow); }
.dl h2 small { font-size: 11px; font-weight: 700; color: #c9c3e6; margin-left: 8px; }
.dl-grid { display: grid; gap: 10px; }
.dl-text p { margin: 0 0 7px; font-size: 13px; line-height: 1.5; }
.dl-text .tr { display: block; font-size: 10.5px; line-height: 1.35; color: #b7b0d6; }
.dl-text .dim { color: #d6d1ec; }
.dl-text .sp { display: none; font-style: normal; }
.dl button small { display: block; font-size: 11px; font-weight: 700; margin-top: 3px; opacity: .85; }
.dl-text .warn { background: rgba(255, 45, 122, .22); border: 2px solid var(--pink); border-radius: 8px; padding: 5px 8px; font-weight: 900; }
.bar { height: 14px; border-radius: 8px; border: 2px solid #fff; background: rgba(0, 0, 0, .5); overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--pink), var(--yellow)); transition: width .15s linear; }
.prog { margin: 5px 0 8px; font-size: 14px; font-weight: 900; text-align: center; font-variant-numeric: tabular-nums; }
.dl-act .err { margin: 0 0 8px; }
.dl-act button:disabled { opacity: .6; cursor: default; }
.delrow { margin: 14px 0 0; font-size: 11px; color: #a59fc4; line-height: 1.6; }
.linkbtn { display: inline; width: auto; padding: 0; border: 0; background: none; box-shadow: none; font: 700 11px/1.6 inherit; color: #c9c3e6; text-decoration: underline; cursor: pointer; }
.linkbtn:active { transform: none; box-shadow: none; }
.is-phone .howto .land { display: block; }
@media (max-height: 480px) {
  .is-phone .logo .lm { font-size: 30px; } .is-phone .logo .ls { font-size: 12px; }
  .is-phone .who { margin: 2px 0 4px; font-size: 11px; }
  .dl-grid { grid-template-columns: 1.9fr 1fr; align-items: center; gap: 12px; }
  .dl-text .b { display: none; } .dl-text .sp { display: inline; }
  .dl { padding: 8px 12px 10px; margin-top: 4px; }
  .dl h2 { font-size: 15px; margin-bottom: 4px; }
  .dl-text p { margin-bottom: 3px; font-size: 11.5px; line-height: 1.35; }
  .dl-text .tr { display: inline; font-size: 9.5px; line-height: 1.25; margin-left: 4px; }
  .dl-text .warn { padding: 3px 7px; }
  .dl-act button { padding: 9px; font-size: 16px; }
  .delrow { margin-top: 6px; }
  .is-phone .howto { display: none; }
}