:root{
  --pink:#FF1493;
  --magenta:#FF00AA;
  --pink-lt:#FF7AD9;
  --pink-pale:#FFD6F2;
  --ink:#2B0018;
  --bg0:#3D0022;
  --bg1:#7A0048;
  --font:"M PLUS Rounded 1c","Hiragino Maru Gothic ProN","ヒラギノ丸ゴ ProN W4",
         "Zen Maru Gothic",system-ui,sans-serif;
  --sh-glow:0 0 24px rgba(255,20,147,.75), 0 0 60px rgba(255,0,170,.45);
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  margin:0;font-family:var(--font);color:#fff;
  background:var(--bg0);
  overflow:hidden;
  -webkit-font-smoothing:antialiased;
  overscroll-behavior:none;
}

/* ---------- 背景 ---------- */
.bg{position:fixed;inset:0;z-index:0;overflow:hidden;
  background:
    radial-gradient(125% 90% at 50% -5%, #FF6EC7 0%, #FF1493 26%, #E5008C 46%, #A8005F 70%, #6B0040 100%);
}
.bg-glow{position:absolute;inset:-40%;
  background:
    conic-gradient(from 0deg, rgba(255,20,147,.55), rgba(255,0,170,0) 25%,
      rgba(255,122,217,.5) 50%, rgba(255,0,170,0) 72%, rgba(255,20,147,.55));
  filter:blur(70px);opacity:.75;animation:spin 26s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.bg-hearts{position:absolute;inset:0}
.bg-hearts i{
  position:absolute;bottom:-14vh;font-style:normal;color:#fff;opacity:.16;
  animation:float linear infinite;
  text-shadow:0 0 14px rgba(255,255,255,.6);
}
@keyframes float{
  from{transform:translateY(0) rotate(0deg)}
  to{transform:translateY(-130vh) rotate(320deg)}
}

/* ---------- FXレイヤー ---------- */
.fx{position:fixed;inset:0;z-index:90;pointer-events:none;overflow:hidden}
.fx b{position:absolute;font-style:normal;font-weight:900;will-change:transform,opacity}

/* ---------- 画面 ---------- */
#app{position:relative;z-index:10;height:100%}
.screen{
  position:absolute;inset:0;display:none;
  padding:calc(env(safe-area-inset-top) + 14px) 18px calc(env(safe-area-inset-bottom) + 14px);
  flex-direction:column;
}
.screen.is-active{display:flex;animation:screenIn .45s cubic-bezier(.2,.9,.25,1) both}
@keyframes screenIn{from{opacity:0;transform:translateY(18px) scale(.98)}to{opacity:1;transform:none}}

/* ---------- START ---------- */
.start-inner{margin:auto;width:100%;max-width:460px;text-align:center;
  max-height:100%;overflow-y:auto;padding:8px 0}
.kicker{
  margin:0 0 14px;font-size:12px;font-weight:800;letter-spacing:.24em;
  color:#fff;opacity:.9;text-shadow:var(--sh-glow);
}
.title{margin:0 0 6px;line-height:1}
.title-sub{
  display:block;font-size:15px;font-weight:800;letter-spacing:.1em;
  color:var(--pink-pale);margin-bottom:10px;text-shadow:0 0 12px rgba(255,214,242,.6);
}
.title-main{
  display:block;font-size:clamp(52px,17vw,84px);font-weight:900;letter-spacing:.02em;
  background:linear-gradient(180deg,#fff 0%,#FFD6F2 45%,#FF7AD9 70%,#FF1493 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 4px 0 rgba(178,0,102,.8)) drop-shadow(0 0 28px rgba(255,20,147,.9));
  animation:pulseTitle 2.6s ease-in-out infinite;
}
@keyframes pulseTitle{50%{filter:drop-shadow(0 4px 0 rgba(178,0,102,.8)) drop-shadow(0 0 46px rgba(255,0,170,1))}}

.start-faces{display:flex;justify-content:center;gap:2px;margin:18px 0 4px;flex-wrap:wrap}
.start-faces svg{width:52px;height:52px;filter:drop-shadow(0 0 10px rgba(255,255,255,.55));
  animation:bob 2.4s ease-in-out infinite}
.start-faces span:nth-child(2) svg{animation-delay:.15s}
.start-faces span:nth-child(3) svg{animation-delay:.3s}
.start-faces span:nth-child(4) svg{animation-delay:.45s}
.start-faces span:nth-child(5) svg{animation-delay:.6s}
.start-faces span:nth-child(6) svg{animation-delay:.75s}
@keyframes bob{50%{transform:translateY(-7px) rotate(-4deg)}}

.lead{margin:14px 0 24px;font-size:15px;font-weight:700;line-height:1.75;color:#fff;
  text-shadow:0 2px 10px rgba(90,0,50,.9)}

.btn{
  display:block;width:100%;border:0;font-family:inherit;cursor:pointer;
  font-weight:900;border-radius:999px;transition:transform .12s ease, filter .12s ease;
}
.btn:active{transform:scale(.96)}
.btn-primary{
  padding:20px 24px;font-size:21px;letter-spacing:.06em;color:#fff;
  background:linear-gradient(180deg,#FF6EC7,#FF1493 55%,#D1006E);
  box-shadow:0 8px 0 #8E0049, 0 12px 30px rgba(255,0,170,.6), inset 0 2px 0 rgba(255,255,255,.6);
  text-shadow:0 2px 6px rgba(120,0,60,.6);
  min-height:64px;
}
.btn-primary::after{
  content:"";position:absolute;
}
.btn-ghost{
  margin-top:14px;padding:14px;font-size:14px;color:#fff;background:rgba(255,255,255,.14);
  border:2px solid rgba(255,255,255,.5);backdrop-filter:blur(6px);min-height:48px;
}

/* ---------- QUIZ ---------- */
.quiz-head{display:flex;align-items:center;gap:12px;max-width:460px;width:100%;margin:0 auto 6px}
.undo{
  flex:0 0 auto;width:44px;height:44px;border-radius:50%;border:2px solid rgba(255,255,255,.45);
  background:rgba(255,255,255,.14);color:#fff;font-size:19px;cursor:pointer;
}
.undo:disabled{opacity:.3}
.progress{flex:1}
.progress-bar{height:12px;border-radius:999px;background:rgba(0,0,0,.35);
  border:2px solid rgba(255,255,255,.5);overflow:hidden}
.progress-bar span{display:block;height:100%;width:8%;border-radius:999px;
  background:linear-gradient(90deg,#FFD6F2,#FF7AD9,#FF00AA);
  box-shadow:0 0 16px rgba(255,0,170,1);transition:width .4s cubic-bezier(.2,.9,.25,1)}
.progress-num{margin-top:5px;font-size:12px;font-weight:800;letter-spacing:.1em;text-align:right;opacity:.95}
.progress-num b{font-size:17px}
.progress-num i{font-style:normal;opacity:.6;margin:0 3px}

.deck-wrap{flex:1;display:flex;align-items:center;justify-content:center;min-height:0}
.deck{position:relative;width:min(100%,380px);height:min(56vh,430px)}

.card{
  position:absolute;inset:0;border-radius:30px;
  background:linear-gradient(170deg,#fff 0%,#FFF0FA 60%,#FFD9F2 100%);
  border:5px solid var(--pink);
  box-shadow:0 18px 40px rgba(60,0,35,.5), 0 0 0 3px rgba(255,255,255,.5) inset;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:26px 24px;text-align:center;
  touch-action:none;user-select:none;cursor:grab;
  transition:transform .35s cubic-bezier(.2,.9,.25,1), opacity .3s ease;
  overflow:hidden;
}
.card::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(circle at 18% 12%, rgba(255,20,147,.15) 0 12px, transparent 13px),
    radial-gradient(circle at 82% 88%, rgba(255,20,147,.15) 0 12px, transparent 13px);
}
.card.is-dragging{transition:none;cursor:grabbing}
.card .wm{position:absolute;left:50%;top:52%;transform:translate(-50%,-50%) rotate(-8deg);
  font-size:290px;line-height:1;color:rgba(255,20,147,.06);pointer-events:none;font-style:normal}
.card-no{
  font-size:13px;font-weight:900;letter-spacing:.2em;color:var(--pink);
  border:3px solid var(--pink);border-radius:999px;padding:5px 16px;margin-bottom:20px;
}
.card-q{
  margin:0;font-size:clamp(21px,5.6vw,27px);font-weight:900;line-height:1.55;
  color:#B3006B;white-space:pre-line;
  text-shadow:0 2px 0 rgba(255,255,255,.9);
}
.card-deco{margin-top:22px;font-size:24px;letter-spacing:6px;color:var(--pink-lt)}
.card .stamp{
  position:absolute;top:26px;font-size:34px;font-weight:900;letter-spacing:.08em;
  padding:8px 18px;border-radius:16px;border:6px solid currentColor;opacity:0;
  transform:rotate(-14deg) scale(.8);
}
.card .stamp-yes{left:22px;color:#FF1493;transform:rotate(-14deg) scale(.8)}
.card .stamp-no{right:22px;color:#9B2DEB;transform:rotate(14deg) scale(.8)}

.answers{display:flex;gap:16px;max-width:380px;width:100%;margin:16px auto 0}
.ans{
  flex:1;min-height:76px;border-radius:26px;border:0;cursor:pointer;font-family:inherit;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  transition:transform .12s ease;
}
.ans:active{transform:scale(.94)}
.ans-mark{font-size:26px;line-height:1;font-weight:900}
.ans-label{font-size:14px;font-weight:900;letter-spacing:.16em}
.ans-yes{color:#fff;background:linear-gradient(180deg,#FF6EC7,#FF1493 60%,#D1006E);
  box-shadow:0 7px 0 #8E0049,0 10px 26px rgba(255,0,170,.6),inset 0 2px 0 rgba(255,255,255,.55)}
.ans-no{color:#fff;background:linear-gradient(180deg,#C77AFF,#9B2DEB 58%,#6B10B5);
  box-shadow:0 7px 0 #4B0B80,0 10px 26px rgba(155,45,235,.6),inset 0 2px 0 rgba(255,255,255,.5)}
.hint{margin:10px 0 0;text-align:center;font-size:12px;font-weight:700;opacity:.75;letter-spacing:.06em}

/* ---------- RESULT ---------- */
.result-inner{width:100%;max-width:460px;margin:0 auto;overflow-y:auto;
  -webkit-overflow-scrolling:touch;padding-bottom:20px}
.res-kicker{text-align:center;font-size:12px;font-weight:800;letter-spacing:.28em;
  margin:6px 0 10px;text-shadow:var(--sh-glow)}
.res-card{
  position:relative;border-radius:32px;padding:26px 22px 28px;text-align:center;
  background:linear-gradient(170deg,#fff,#FFF0FA 55%,#FFD9F2);
  border:5px solid var(--pink);
  box-shadow:0 18px 44px rgba(60,0,35,.55), inset 0 0 0 3px rgba(255,255,255,.6);
  overflow:hidden;
}
.res-card::after{
  content:"";position:absolute;inset:-40%;pointer-events:none;
  background:linear-gradient(115deg,transparent 42%,rgba(255,255,255,.65) 50%,transparent 58%);
  animation:shine 3.4s ease-in-out infinite;
}
@keyframes shine{0%,60%{transform:translateX(-60%)}100%{transform:translateX(60%)}}
.res-face{width:170px;height:170px;margin:0 auto;
  filter:drop-shadow(0 8px 18px rgba(255,0,170,.45));animation:pop .6s cubic-bezier(.2,1.5,.4,1) both}
@keyframes pop{from{transform:scale(.3) rotate(-20deg);opacity:0}}
.res-voice{font-size:13px;font-weight:900;color:var(--pink);letter-spacing:.14em;margin:4px 0 2px}
.res-name{margin:2px 0 4px;font-size:clamp(34px,10vw,46px);font-weight:900;color:#C4007A;
  text-shadow:0 3px 0 #FFC9EC, 0 0 26px rgba(255,20,147,.4)}
.res-roman{font-size:11px;font-weight:800;letter-spacing:.32em;color:#FF66C4;margin-bottom:14px}
.res-copy{margin:0 auto 18px;font-size:16px;font-weight:900;line-height:1.6;color:#8E0049;
  max-width:22em}
.res-match{display:inline-flex;align-items:baseline;gap:6px;margin-bottom:18px;
  padding:8px 20px;border-radius:999px;background:linear-gradient(90deg,#FF7AD9,#FF1493);
  color:#fff;box-shadow:0 4px 14px rgba(255,0,170,.5)}
.res-match b{font-size:30px;font-weight:900;line-height:1}
.res-match span{font-size:12px;font-weight:800;letter-spacing:.08em}
.res-lines{margin:0 0 18px;padding:0;list-style:none;text-align:left}
.res-lines li{font-size:14.5px;font-weight:700;line-height:1.85;color:#5C0035;
  padding-left:22px;position:relative;margin-bottom:6px}
.res-lines li::before{content:"♡";position:absolute;left:0;color:var(--pink);font-size:13px;top:2px}
.res-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px}
.res-cell{background:rgba(255,20,147,.1);border:2px solid rgba(255,20,147,.35);
  border-radius:18px;padding:12px 10px;text-align:left}
.res-cell dt{font-size:10px;font-weight:900;letter-spacing:.16em;color:var(--pink);margin-bottom:4px}
.res-cell dd{margin:0;font-size:13.5px;font-weight:800;color:#5C0035;line-height:1.5}
.res-partner{display:flex;align-items:center;gap:12px;text-align:left;
  background:linear-gradient(100deg,rgba(255,20,147,.14),rgba(255,122,217,.08));
  border:2px dashed var(--pink);border-radius:20px;padding:12px 14px}
.res-partner svg{width:54px;height:54px;flex:0 0 auto}
.res-partner .pt{font-size:10px;font-weight:900;letter-spacing:.16em;color:var(--pink)}
.res-partner .pn{font-size:17px;font-weight:900;color:#C4007A;line-height:1.3}
.res-partner .pw{font-size:12px;font-weight:700;color:#7A0047;line-height:1.5}
.res-second{margin:14px 0 0;font-size:12.5px;font-weight:800;color:#8E0049}

.res-actions{margin-top:18px;display:grid;gap:10px}
.res-actions .btn-primary{font-size:18px;min-height:60px}
.res-tag{margin:16px 0 0;text-align:center;font-size:12px;font-weight:800;
  letter-spacing:.08em;opacity:.9;line-height:1.9}

/* 保存プレビュー */
.share-preview{margin-top:14px;border-radius:20px;overflow:hidden;border:3px solid rgba(255,255,255,.6);
  box-shadow:0 10px 30px rgba(0,0,0,.4)}
.share-preview img{display:block;width:100%}
.share-note{margin:8px 0 0;font-size:11.5px;font-weight:700;text-align:center;opacity:.85;line-height:1.7}

/* ---------- モーダル ---------- */
.modal{position:fixed;inset:0;z-index:120;background:rgba(20,0,12,.86);
  backdrop-filter:blur(8px);display:flex;padding:16px;overflow-y:auto}
.modal[hidden]{display:none}
.modal-box{margin:auto;width:100%;max-width:460px;position:relative;
  background:linear-gradient(170deg,#fff,#FFEBF8);border:5px solid var(--pink);
  border-radius:28px;padding:24px 18px;box-shadow:0 20px 50px rgba(0,0,0,.5)}
.modal-close{position:absolute;top:12px;right:12px;width:40px;height:40px;border-radius:50%;
  border:3px solid var(--pink);background:#fff;color:var(--pink);font-weight:900;font-size:16px;cursor:pointer}
.modal-title{margin:0 0 18px;text-align:center;font-size:20px;font-weight:900;color:#C4007A}
.modal-list{display:grid;gap:14px}
.mc{display:flex;gap:12px;align-items:flex-start;background:rgba(255,20,147,.08);
  border:2px solid rgba(255,20,147,.3);border-radius:20px;padding:12px}
.mc svg{width:64px;height:64px;flex:0 0 auto}
.mc h3{margin:0 0 2px;font-size:17px;font-weight:900;color:#C4007A}
.mc p{margin:0;font-size:12.5px;font-weight:700;color:#5C0035;line-height:1.6}

@media (min-width:520px){
  .deck{height:min(52vh,440px)}
}