/* =========================================================
   Molly 生日網頁 · 重新設計版
   方向：暖色信紙 × 底片暗房 × 夜空蛋糕
   ========================================================= */
:root{
  --paper:#F5EEE3;
  --paper-2:#EDE3D3;
  --cream:#FBF7F0;
  --card:#FFFDF8;
  --ink:#2A211C;
  --ink-2:#55463C;
  --muted:#8A796C;
  --line:rgba(42,33,28,.12);
  --terra:#B4532A;
  --terra-deep:#8E3A1A;
  --blush:#E7A8A1;
  --blush-soft:#F6D9D3;
  --gold:#F2C46D;
  --gold-deep:#D9A24A;
  --mint:#BFE3D6;
  --teal:#4A7B7C;
  --night:#120E0C;
  --night-2:#1D1612;
  --seal:#B3261E;

  --serif:"Noto Serif TC","Playfair Display",serif;
  --sans:"Noto Sans TC",system-ui,-apple-system,sans-serif;
  --hand:"Ma Shan Zheng","Caveat",cursive;
  --display:"Playfair Display","Noto Serif TC",serif;

  --ease:cubic-bezier(.2,.7,.2,1);
  --ease-back:cubic-bezier(.34,1.56,.64,1);
  --wrap:1180px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.is-locked{overflow:hidden;height:100vh}
main{overflow-x:clip}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
::selection{background:var(--blush);color:var(--ink)}
.wrap{width:min(var(--wrap),100% - 32px);margin-inline:auto;position:relative;z-index:2}
[hidden]{display:none !important}

/* =========================================================
   開場信封
   ========================================================= */
.intro{
  position:fixed;inset:0;z-index:1000;
  display:grid;place-items:center;
  background:
    radial-gradient(60% 50% at 20% 20%, rgba(231,168,161,.55), transparent 70%),
    radial-gradient(50% 50% at 85% 80%, rgba(242,196,109,.45), transparent 70%),
    radial-gradient(80% 80% at 50% 50%, #FBF1E7, #F3DFD2);
  transition:opacity 1.2s var(--ease), visibility 1.2s, transform 1.4s var(--ease);
  overflow:hidden;
}
.intro.is-hiding{opacity:0;visibility:hidden;transform:scale(1.06)}
.intro__dust{position:absolute;inset:0;width:100%;height:100%}
.intro__floats span{
  position:absolute;left:var(--x);top:var(--y);
  font-size:calc(2rem * var(--s));
  animation:bob 6s ease-in-out infinite;animation-delay:var(--d);
  filter:drop-shadow(0 6px 10px rgba(120,60,40,.18));
  user-select:none;
}
@keyframes bob{
  0%,100%{transform:translateY(0) rotate(-6deg)}
  50%{transform:translateY(-18px) rotate(6deg)}
}
.intro__center{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:34px;padding:24px}
.intro__kicker{
  margin:0;font-family:var(--display);font-style:italic;
  letter-spacing:.18em;font-size:.92rem;color:var(--terra);
  display:flex;align-items:center;gap:10px;
}

/* 信封 */
.env{
  --w:min(340px,78vw);
  position:relative;width:var(--w);height:calc(var(--w) * .66);
  perspective:1000px;cursor:pointer;outline:none;
  animation:envFloat 4s ease-in-out infinite;
  margin-top:40px;
}
.env:focus-visible{box-shadow:0 0 0 3px var(--terra);border-radius:12px}
@keyframes envFloat{0%,100%{transform:translateY(0) rotate(-1.5deg)}50%{transform:translateY(-10px) rotate(1.5deg)}}
.env.is-open{animation:none;transform:none}
.env__back{position:absolute;inset:0;border-radius:12px;background:#D99A8B;box-shadow:0 30px 60px -20px rgba(120,50,30,.45)}
.env__letter{
  position:absolute;left:6%;right:6%;top:6%;bottom:6%;z-index:2;
  background:var(--card);border-radius:8px;padding:18px 14px;text-align:center;
  box-shadow:0 2px 0 rgba(0,0,0,.04);
  transition:transform 1.1s var(--ease) .55s;
}
.env.is-open .env__letter{transform:translateY(-72%)}
.env__stamp{display:inline-block;font-size:.62rem;letter-spacing:.22em;color:var(--terra);border:1.5px dashed var(--terra);padding:2px 8px;border-radius:3px;margin-bottom:8px}
.env__name{font-family:var(--serif);font-weight:900;font-size:clamp(1.6rem,6vw,2.1rem);letter-spacing:.12em;color:var(--ink);line-height:1.2}
.env__sub{font-family:var(--hand);font-size:1.05rem;color:var(--ink-2);line-height:1.5;margin-top:6px}
.env__rule{margin:10px auto 0;width:42px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--terra),var(--blush))}
.env__front{
  position:absolute;inset:0;z-index:3;border-radius:12px;
  background:linear-gradient(160deg,#F4D3C7,#E9B6A6);
  clip-path:polygon(0 0,50% 54%,100% 0,100% 100%,0 100%);
}
.env__front::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(255,255,255,.35),transparent 50%);
}
.env__flap{
  position:absolute;left:0;right:0;top:0;height:60%;z-index:4;
  transform-origin:top center;transform-style:preserve-3d;
  transition:transform .8s var(--ease), z-index 0s .4s;
}
.env__flap-inner{
  width:100%;height:100%;border-radius:12px 12px 0 0;
  background:linear-gradient(180deg,#E7AE9C,#DC9C89);
  clip-path:polygon(0 0,100% 0,50% 100%);
  filter:drop-shadow(0 3px 2px rgba(0,0,0,.08));
}
.env.is-open .env__flap{transform:rotateX(180deg);z-index:1}
.env__wax{
  position:absolute;left:50%;top:60%;z-index:5;width:46px;height:46px;margin:-26px 0 0 -23px;
  border-radius:50%;display:grid;place-items:center;
  background:radial-gradient(circle at 35% 30%,#D84A3F,var(--seal) 60%,#7E1712);
  color:#FBD9C4;font-size:1.1rem;
  box-shadow:0 4px 10px rgba(120,20,10,.4), inset 0 -3px 6px rgba(0,0,0,.25);
  transition:transform .5s var(--ease-back), opacity .4s;
}
.env:hover .env__wax{transform:scale(1.08) rotate(12deg)}
.env.is-open .env__wax{transform:scale(0) rotate(90deg);opacity:0}
.env__spark{position:absolute;color:var(--gold-deep);font-size:1.2rem;animation:twinkle 2.4s ease-in-out infinite}
.env__spark--1{left:-22px;top:-8px}
.env__spark--2{right:-18px;top:20%;animation-delay:-.6s;color:var(--terra)}
.env__spark--3{left:12%;bottom:-24px;animation-delay:-1.2s}
.env__spark--4{right:8%;bottom:-20px;animation-delay:-1.8s;color:var(--blush)}
@keyframes twinkle{0%,100%{opacity:.25;transform:scale(.7) rotate(0)}50%{opacity:1;transform:scale(1.15) rotate(45deg)}}

.intro__btn{
  position:relative;border:0;cursor:pointer;
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 26px;border-radius:999px;
  background:var(--ink);color:var(--cream);font-size:.98rem;letter-spacing:.04em;
  box-shadow:0 14px 30px -12px rgba(42,33,28,.6);
}
.intro__btn::after{
  content:"";position:absolute;inset:-6px;border-radius:inherit;border:1.5px solid var(--ink);
  opacity:0;animation:ring 2.2s ease-out infinite;
}
@keyframes ring{0%{opacity:.5;transform:scale(.92)}100%{opacity:0;transform:scale(1.18)}}

/* =========================================================
   全域裝飾
   ========================================================= */
.grain{
  position:fixed;inset:-50%;z-index:900;pointer-events:none;opacity:.07;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 1.2s steps(6) infinite;
}
@keyframes grain{
  0%{transform:translate(0,0)}20%{transform:translate(-3%,2%)}40%{transform:translate(2%,-3%)}
  60%{transform:translate(-2%,-1%)}80%{transform:translate(3%,3%)}100%{transform:translate(0,0)}
}
.fx-canvas{position:fixed;inset:0;width:100%;height:100%;z-index:1050;pointer-events:none}
.side-rail{
  position:fixed;left:16px;top:50%;z-index:40;transform:translateY(-50%);
  writing-mode:vertical-rl;font-family:var(--display);font-size:.68rem;letter-spacing:.38em;
  color:var(--muted);opacity:.7;pointer-events:none;mix-blend-mode:multiply;
}
.progress{position:fixed;left:0;right:0;top:0;height:3px;z-index:960;pointer-events:none}
.progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--terra),var(--blush),var(--gold));box-shadow:0 0 12px rgba(180,83,42,.5)}

/* =========================================================
   導覽
   ========================================================= */
.topbar{
  position:fixed;top:14px;left:50%;z-index:950;
  width:min(var(--wrap),100% - 24px);transform:translateX(-50%);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:8px 8px 8px 18px;border-radius:999px;
  background:rgba(251,247,240,.74);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px) saturate(1.3);backdrop-filter:blur(14px) saturate(1.3);
  box-shadow:0 10px 30px -18px rgba(42,33,28,.35);
  transition:transform .5s var(--ease), background .4s, color .4s, border-color .4s;
}
.topbar.is-hidden{transform:translate(-50%,-160%)}
.topbar.is-dark{background:rgba(24,19,16,.62);color:var(--cream);border-color:rgba(255,255,255,.1)}
.topbar__date{display:flex;align-items:center;gap:8px;font-size:.86rem;min-width:0}
.topbar__date span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar__date b{font-family:var(--display);letter-spacing:.04em}
.topbar__right{position:relative;display:flex;align-items:center;gap:8px;flex-shrink:0}
.icon-btn{
  position:relative;width:40px;height:40px;border-radius:50%;cursor:pointer;
  display:grid;place-items:center;font-size:1.15rem;
  background:transparent;border:1px solid currentColor;border-color:var(--line);
  transition:background .3s, transform .3s;
}
.topbar.is-dark .icon-btn{border-color:rgba(255,255,255,.18)}
.icon-btn:hover{transform:translateY(-1px);background:rgba(180,83,42,.08)}
.icon-btn.is-playing{background:var(--ink);color:var(--cream);border-color:var(--ink)}
.topbar.is-dark .icon-btn.is-playing{background:var(--gold);color:var(--ink)}
.eq{position:absolute;right:-2px;bottom:-2px;display:none;gap:1.5px;align-items:flex-end;height:12px;padding:2px 3px;border-radius:6px;background:var(--terra)}
.eq i{display:block;width:2px;background:#fff;border-radius:1px;animation:eq .9s ease-in-out infinite}
.eq i:nth-child(2){animation-delay:-.3s}.eq i:nth-child(3){animation-delay:-.6s}
.icon-btn.is-playing .eq{display:flex}
@keyframes eq{0%,100%{height:3px}50%{height:8px}}

.pill{
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;cursor:pointer;
  padding:10px 18px;border-radius:999px;font-size:.9rem;letter-spacing:.02em;
  background:var(--ink);color:var(--cream);border:1px solid var(--ink);
  transition:transform .3s var(--ease), box-shadow .3s, background .3s, color .3s;
}
.pill:hover{box-shadow:0 10px 24px -12px rgba(42,33,28,.6)}
.pill--ghost{background:transparent;color:inherit;border-color:var(--line)}
.pill--ghost:hover{background:rgba(180,83,42,.07)}
.topbar.is-dark .pill{background:var(--cream);color:var(--ink);border-color:var(--cream)}
.topbar.is-dark .pill--ghost{background:transparent;color:var(--cream);border-color:rgba(255,255,255,.2)}
.pill--glass{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.18);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.pill--glass:hover{background:rgba(255,255,255,.14)}
.show-sm{display:none}
.drop{
  position:absolute;right:0;top:calc(100% + 12px);
  display:flex;flex-direction:column;gap:8px;padding:10px;border-radius:20px;
  background:var(--card);color:var(--ink);border:1px solid var(--line);
  box-shadow:0 20px 40px -20px rgba(42,33,28,.45);
  opacity:0;visibility:hidden;transform:translateY(-8px) scale(.97);transform-origin:top right;
  transition:.3s var(--ease);
}
.drop.open{opacity:1;visibility:visible;transform:none}
.drop .pill{justify-content:center}
.topbar.is-dark .drop .pill{background:var(--ink);color:var(--cream);border-color:var(--ink)}
.topbar.is-dark .drop .pill--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
@media (max-width:640px){
  .hide-sm{display:none}
  .show-sm{display:grid}
}

.magnetic{transform:translate(var(--mx,0px),var(--my,0px))}

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position:relative;min-height:100svh;
  width:min(var(--wrap),100% - 32px);margin-inline:auto;
  display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:40px;
  padding:130px 0 110px;
}
.hero::before{
  content:"";position:absolute;inset:-10% -30%;z-index:-1;pointer-events:none;
  background:
    radial-gradient(36% 40% at 78% 40%, rgba(231,168,161,.45), transparent 70%),
    radial-gradient(30% 30% at 12% 80%, rgba(242,196,109,.35), transparent 70%);
}
.kicker{
  margin:0 0 18px;display:inline-flex;align-items:center;gap:8px;
  font-family:var(--display);font-size:.8rem;letter-spacing:.32em;color:var(--terra);
}
.hero__title{
  position:relative;margin:0 0 26px;font-family:var(--serif);font-weight:900;line-height:1.08;
}
.hero__give{display:inline-block;font-family:var(--hand);font-weight:400;font-size:clamp(2.4rem,5vw,4rem);color:var(--terra);transform:rotate(-8deg);margin-left:4px}
.hero__row{display:flex;flex-wrap:wrap;align-items:baseline;gap:.15em .3em;font-size:clamp(2.6rem,6.6vw,5.6rem);letter-spacing:.02em}
.hero__outline{color:transparent;-webkit-text-stroke:1.5px var(--ink);text-stroke:1.5px var(--ink)}
.hero__name{position:relative;color:var(--ink)}
.hero__name::after{
  content:attr(data-text);position:absolute;left:.05em;top:.05em;z-index:-1;white-space:nowrap;
  color:var(--blush);pointer-events:none;
}
.hero__scribble{position:absolute;left:0;bottom:-18px;width:min(560px,96%);height:30px;overflow:visible}
.hero__scribble path{fill:none;stroke:var(--terra);stroke-width:4;stroke-linecap:round;stroke-dasharray:520;stroke-dashoffset:520;transition:stroke-dashoffset 1.6s var(--ease) 1.4s}
body.is-open .hero__scribble path{stroke-dashoffset:0}

.split .ch{display:inline-block;opacity:0;transform:translateY(.55em) rotate(8deg);transition:opacity .7s var(--ease), transform .9s var(--ease-back);transition-delay:calc(var(--i) * 70ms + var(--base,0ms))}
body.is-open .split .ch{opacity:1;transform:none}
.hero__give .ch{--base:200ms}
.hero__outline .ch{--base:450ms}
.hero__name .ch{--base:800ms}

.hero__sub{margin:30px 0 14px;font-family:var(--serif);font-size:clamp(1.15rem,1.8vw,1.4rem);line-height:1.7;color:var(--ink-2)}
.hero__note{margin:0;max-width:34em;color:var(--muted);font-size:.98rem;line-height:1.95}
.hero__note b{color:var(--ink);font-weight:700;background:linear-gradient(transparent 62%,rgba(242,196,109,.5) 62%)}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 22px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;font-size:.8rem;color:var(--ink-2);background:rgba(255,253,248,.7);border:1px solid var(--line)}
.chip i{color:var(--terra)}

.hero__text > *{opacity:0;transform:translateY(20px);transition:opacity .9s var(--ease), transform .9s var(--ease)}
body.is-open .hero__text > *{opacity:1;transform:none}
body.is-open .hero__text > :nth-child(1){transition-delay:.1s}
body.is-open .hero__text > :nth-child(3){transition-delay:1.3s}
body.is-open .hero__text > :nth-child(4){transition-delay:1.45s}
body.is-open .hero__text > :nth-child(5){transition-delay:1.6s}
body.is-open .hero__text > :nth-child(6){transition-delay:1.75s}
.hero__title{opacity:1 !important;transform:none !important}

.hero__stack{position:relative;height:clamp(460px,46vw,600px)}
.pc.pc--hero{
  position:absolute;left:var(--l);top:var(--t);z-index:var(--z);
  width:clamp(170px,21vw,250px);
  transform:translate3d(var(--px,0px),var(--py,0px),0) rotate(var(--r));
  opacity:0;
  transition:transform .8s var(--ease), box-shadow .4s, opacity .8s var(--ease);
}
body.is-open .pc--hero{opacity:1}
body.is-open .pc--hero:nth-child(1){transition-delay:.6s,0s,.6s}
body.is-open .pc--hero:nth-child(2){transition-delay:.8s,0s,.8s}
body.is-open .pc--hero:nth-child(3){transition-delay:1s,0s,1s}
body:not(.is-open) .pc--hero{transform:translateY(60px) rotate(calc(var(--r) * 3))}
.pc--hero:hover,.pc--hero:focus-visible{z-index:10;transform:translate3d(var(--px,0px),calc(var(--py,0px) - 10px),0) rotate(0deg) scale(1.05);transition-delay:0s !important}
.pc--hero .pc__media{aspect-ratio:4/5}

.scroll-hint{
  position:absolute;left:50%;bottom:26px;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:8px;
  font-size:.72rem;letter-spacing:.4em;color:var(--muted);
}
.scroll-hint i{display:block;width:1px;height:46px;background:linear-gradient(var(--terra),transparent);transform-origin:top;animation:drip 2s var(--ease) infinite}
@keyframes drip{0%{transform:scaleY(0);opacity:1}60%{transform:scaleY(1);opacity:1}100%{transform:scaleY(1);opacity:0}}

/* =========================================================
   拍立得（共用）
   ========================================================= */
.pc{
  position:relative;margin:0;cursor:zoom-in;
  background:var(--card);padding:12px 12px 0;border-radius:3px;
  box-shadow:
    0 1px 1px rgba(42,33,28,.06),
    0 10px 20px -8px rgba(42,33,28,.22),
    0 30px 50px -30px rgba(42,33,28,.4);
  outline:none;
}
.pc:focus-visible{box-shadow:0 0 0 3px var(--terra),0 20px 40px -20px rgba(42,33,28,.4)}
.pc__media{position:relative;overflow:hidden;aspect-ratio:4/3;background:var(--paper-2)}
.pc__media img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.pc:hover .pc__media > img{transform:scale(1.04)}
.pc__media--contain{background:#F1E9DC}
.pc__media--contain img{object-fit:contain}
.pc__cap{
  padding:12px 6px 16px;text-align:center;
  font-family:var(--hand);font-size:1.12rem;line-height:1.55;color:var(--ink);
}
.pc__cap small{display:block;margin-top:6px;font-family:var(--sans);font-size:.72rem;letter-spacing:.06em;color:var(--muted)}
.pc__cap .aside{font-size:12px}

.tape{
  position:absolute;left:50%;top:-13px;z-index:3;width:92px;height:26px;
  transform:translateX(-50%) rotate(-4deg);
  background:linear-gradient(90deg,rgba(242,214,160,.7),rgba(236,200,140,.6));
  -webkit-mask:linear-gradient(90deg,transparent 0 3px,#000 3px calc(100% - 3px),transparent calc(100% - 3px)),
               repeating-linear-gradient(180deg,#000 0 3px,transparent 3px 5px);
  -webkit-mask-composite:source-over;
  box-shadow:0 1px 2px rgba(0,0,0,.06);
}
.tape--r{left:auto;right:-20px;top:16px;transform:rotate(38deg)}
.clip{
  position:absolute;left:50%;top:-16px;z-index:3;width:46px;height:24px;transform:translateX(-50%);
  border-radius:4px 4px 2px 2px;background:linear-gradient(180deg,#3C3430,#1F1A17);
  box-shadow:0 3px 6px rgba(0,0,0,.25);
}
.clip::after{content:"";position:absolute;left:8px;right:8px;top:-9px;height:12px;border:2px solid #9A938D;border-bottom:0;border-radius:6px 6px 0 0}
.paperclip{
  position:absolute;right:24px;top:-22px;z-index:3;width:18px;height:52px;transform:rotate(10deg);
  border:2.5px solid #A1A6AB;border-radius:10px;
}
.paperclip::after{content:"";position:absolute;left:3px;right:3px;top:8px;bottom:-4px;border:2.5px solid #A1A6AB;border-top:0;border-radius:0 0 8px 8px}

/* 輪播 */
.carousel img{position:absolute;inset:0;opacity:0;object-fit:contain;background:var(--paper-2);transition:opacity .6s var(--ease), transform 1.2s var(--ease);transform:scale(1.04)}
.carousel img.is-active{opacity:1;transform:scale(1)}
.car-btn{
  position:absolute;top:50%;z-index:2;width:34px;height:34px;margin-top:-17px;border-radius:50%;border:0;cursor:pointer;
  display:grid;place-items:center;font-size:1.3rem;line-height:1;color:var(--ink);
  background:rgba(255,253,248,.88);box-shadow:0 4px 12px rgba(0,0,0,.15);
  opacity:0;transition:opacity .3s, transform .3s var(--ease-back);
}
.car-btn--prev{left:8px;transform:translateX(-6px)}
.car-btn--next{right:8px;transform:translateX(6px)}
.pc:hover .car-btn,.pc:focus-within .car-btn{opacity:1;transform:none}
@media (hover:none){.car-btn{opacity:.9;transform:none}}
.car-dots{position:absolute;left:0;right:0;bottom:8px;z-index:2;display:flex;justify-content:center;gap:5px;pointer-events:none}
.car-dots i{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.55);box-shadow:0 0 0 1px rgba(0,0,0,.12);transition:width .3s var(--ease), background .3s}
.car-dots i.on{width:16px;border-radius:3px;background:#fff}
.car-count{position:absolute;right:8px;top:8px;z-index:2;padding:2px 8px;border-radius:999px;font-size:.68rem;letter-spacing:.06em;color:#fff;background:rgba(30,24,20,.55)}

/* =========================================================
   底片跑馬燈
   ========================================================= */
.film{
  position:relative;z-index:3;overflow:hidden;
  width:106%;margin-left:-3%;transform:rotate(-1.6deg);
  background:#1E1814;color:var(--cream);padding:26px 0;
  box-shadow:0 20px 40px -20px rgba(0,0,0,.4);
}
.film::before,.film::after{
  content:"";position:absolute;left:0;right:0;height:10px;
  background:repeating-linear-gradient(90deg,transparent 0 10px,rgba(251,247,240,.85) 10px 22px,transparent 22px 34px);
  -webkit-mask:linear-gradient(#000,#000);border-radius:2px;opacity:.85;
}
.film::before{top:6px}.film::after{bottom:6px}
.film__track{display:flex;width:max-content;gap:56px;animation:film 44s linear infinite}
.film:hover .film__track{animation-play-state:paused}
.film__item{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-family:var(--serif);font-size:1.05rem;letter-spacing:.08em}
.film__item i{color:var(--gold)}
.film__item b{font-family:var(--display);letter-spacing:.2em}
@keyframes film{to{transform:translateX(-50%)}}

/* =========================================================
   章節共用
   ========================================================= */
.ghost{
  position:absolute;top:60px;right:4%;z-index:1;pointer-events:none;
  font-family:var(--display);font-weight:900;font-size:clamp(9rem,22vw,20rem);line-height:.8;
  color:transparent;-webkit-text-stroke:1px rgba(42,33,28,.12);
}
.ghost--night{-webkit-text-stroke:1px rgba(255,255,255,.08);top:40px}
.label{margin:0 0 14px;font-family:var(--display);font-size:.78rem;letter-spacing:.34em;color:var(--gold);text-align:center}
.h2{margin:0 0 18px;font-family:var(--serif);font-weight:900;font-size:clamp(1.8rem,4.2vw,3.2rem);line-height:1.35;letter-spacing:.02em}
.h2--center{text-align:center}
.hl{
  background:linear-gradient(transparent 58%,var(--blush) 58%) no-repeat 0 0 / 0% 100%;
  transition:background-size 1.1s var(--ease) .5s;padding:0 .08em;font-weight:900;
}
.in .hl,.hl.in{background-size:100% 100%}
.hl--blush{color:var(--blush);background:none}
.hl--gold{color:var(--gold);background:none}
.lead{margin:0;max-width:40em;color:var(--muted);font-size:1.02rem;line-height:1.9}
.lead--center{margin-inline:auto;text-align:center}

.reveal{opacity:0;transform:translateY(34px);transition:opacity 1s var(--ease), transform 1.1s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* =========================================================
   回憶時間軸
   ========================================================= */
.photos{
  position:relative;padding:150px 0 160px;overflow:hidden;
  background:linear-gradient(180deg,var(--paper) 0%,var(--cream) 100%);
}
.timeline{position:relative;margin-top:90px;display:flex;flex-direction:column}
.timeline__line{position:absolute;left:50%;top:0;bottom:0;width:2px;margin-left:-1px;background:repeating-linear-gradient(180deg,var(--line) 0 8px,transparent 8px 14px)}
.timeline__line i{display:block;width:100%;height:0;background:linear-gradient(180deg,var(--blush),var(--terra));border-radius:2px;box-shadow:0 0 10px rgba(180,83,42,.4);position:relative}
.timeline__line i::after{content:"";position:absolute;left:50%;bottom:-6px;width:12px;height:12px;margin-left:-6px;border-radius:50%;background:var(--terra);box-shadow:0 0 0 6px rgba(180,83,42,.15)}

.memory{position:relative;width:50%;padding-right:70px}
.memory + .memory{margin-top:-110px}
.memory:nth-of-type(odd){align-self:flex-start}
.memory:nth-of-type(even){align-self:flex-end;padding-right:0;padding-left:70px}
.memory::before{
  content:"";position:absolute;top:70px;right:-8px;width:16px;height:16px;border-radius:50%;
  background:var(--cream);border:3px solid var(--terra);z-index:2;
  transition:transform .6s var(--ease-back) .3s;transform:scale(0);
}
.memory:nth-of-type(even)::before{right:auto;left:-8px}
.memory.in::before{transform:scale(1)}
.memory::after{
  content:attr(data-no);position:absolute;top:44px;left:calc(100% + 40px);
  font-family:var(--display);font-style:italic;font-weight:700;font-size:3.4rem;line-height:1;
  color:rgba(180,83,42,.22);
}
.memory:nth-of-type(even)::after{left:auto;right:calc(100% + 40px)}
.memory:nth-of-type(odd).reveal{transform:translate(-50px,30px) rotate(-2deg)}
.memory:nth-of-type(even).reveal{transform:translate(50px,30px) rotate(2deg)}
.memory.reveal.in{transform:none}
.memory .pc{width:min(100%,420px)}
.memory:nth-of-type(odd) .pc{margin-left:auto}
.pc--tilt{
  transform:perspective(900px) rotateX(var(--ty,0deg)) rotateY(var(--tx,0deg)) rotate(var(--r)) scale(var(--sc,1));
  transition:transform .5s var(--ease), box-shadow .4s;
  will-change:transform;
}
.pc--tilt:hover{--sc:1.02;box-shadow:0 2px 2px rgba(42,33,28,.06),0 30px 60px -25px rgba(42,33,28,.45)}
.pc--tilt.is-tilting{transition:transform .12s linear, box-shadow .4s}

/* =========================================================
   信
   ========================================================= */
.letter-sec{
  position:relative;padding:150px 0 170px;overflow:hidden;
  background:
    radial-gradient(40% 30% at 90% 10%, rgba(231,168,161,.25), transparent 70%),
    radial-gradient(40% 30% at 5% 90%, rgba(242,196,109,.22), transparent 70%),
    var(--cream);
}
.letter{position:relative;max-width:780px;margin:70px auto 0}
.letter__sheets i{position:absolute;inset:0;border-radius:4px;background:var(--card);box-shadow:0 10px 30px -18px rgba(42,33,28,.35)}
.letter__sheets i:first-child{transform:rotate(-2.4deg) translate(-6px,10px);background:#F7EFE2}
.letter__sheets i:last-child{transform:rotate(1.6deg) translate(8px,6px);background:#FBF4EA}
.letter__paper{
  position:relative;z-index:2;padding:64px 64px 56px;border-radius:4px;
  background:var(--card);
  box-shadow:0 1px 1px rgba(42,33,28,.05),0 30px 70px -30px rgba(42,33,28,.4);
}
.letter__paper::before{content:"";position:absolute;left:40px;top:0;bottom:0;width:1px;background:rgba(231,168,161,.6)}
.letter__stamp{
  position:absolute;right:30px;top:28px;z-index:2;width:86px;height:104px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  background:var(--blush-soft);color:var(--terra-deep);transform:rotate(4deg);
  font-size:.72rem;letter-spacing:.12em;
  -webkit-mask:radial-gradient(circle 4px at 4px 4px,transparent 98%,#000) -4px -4px / 10px 10px;
  mask:radial-gradient(circle 4px at 4px 4px,transparent 98%,#000) -4px -4px / 10px 10px;
}
.letter__stamp b{font-family:var(--serif);font-size:1.45rem;font-weight:900;letter-spacing:.08em;color:var(--terra)}
.letter__stamp-air{font-size:.6rem;letter-spacing:.16em}
.letter__postmark{
  position:absolute;right:92px;top:58px;z-index:3;width:84px;height:84px;border-radius:50%;
  border:2px solid rgba(142,58,26,.45);transform:rotate(-14deg);pointer-events:none;
}
.letter__postmark::before{content:"";position:absolute;inset:8px;border-radius:50%;border:1px solid rgba(142,58,26,.35)}
.letter__postmark::after{
  content:"";position:absolute;left:60%;top:30%;width:90px;height:34px;
  background:repeating-linear-gradient(180deg,transparent 0 6px,rgba(142,58,26,.4) 6px 8px);
  -webkit-mask:radial-gradient(ellipse 60% 100% at 0 50%,#000,transparent);
}
.letter__head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;padding-right:110px;margin-bottom:30px}
.letter__to{font-family:var(--serif);font-weight:900;font-size:1.55rem;letter-spacing:.06em}
.letter__date{text-align:right;font-size:.82rem;color:var(--muted);line-height:1.5}
.letter__date b{font-family:var(--display);color:var(--ink-2);font-size:.96rem}

.letter__body{
  --lh:2.15rem;
  font-family:var(--serif);font-size:1.03rem;color:var(--ink-2);
  background-image:linear-gradient(180deg,transparent calc(var(--lh) - 1px),rgba(180,83,42,.12) calc(var(--lh) - 1px));
  background-size:100% var(--lh);
  min-height:calc(var(--lh) * 6);cursor:text;
}
.letter__line{margin:0;display:block;white-space:nowrap;line-height:var(--lh);min-height:var(--lh);letter-spacing:.02em}
.letter__line.first::first-letter{
  float:left;font-weight:900;font-size:2.6em;line-height:1;margin:.04em .12em 0 0;color:var(--terra);
}
.letter__line.is-typing::after{
  content:"";display:inline-block;width:2px;height:1.1em;margin-left:2px;vertical-align:-.15em;
  background:var(--terra);animation:caret .9s steps(1) infinite;
}
@keyframes caret{50%{opacity:0}}
.letter__line .warn{font-size:10px;font-weight:bold;font-family:var(--sans);color:var(--seal);margin-left:4px}
.letter__rule{display:flex;align-items:center;justify-content:center;gap:12px;height:var(--lh);color:var(--terra);opacity:0;transition:opacity .6s}
.letter__rule.on{opacity:.8}
.letter__rule::before,.letter__rule::after{content:"";height:1.5px;width:28%;background:linear-gradient(90deg,transparent,currentColor)}
.letter__rule::after{background:linear-gradient(90deg,currentColor,transparent)}

.letter__pull{
  margin:40px 0 14px;padding:4px 0 4px 20px;border-left:3px solid var(--terra);
  font-family:var(--serif);font-size:1.22rem;font-weight:700;line-height:1.8;color:var(--ink);
}
.letter__annot{margin:0;font-family:var(--hand);font-size:1.15rem;color:var(--terra);display:flex;align-items:center;gap:6px}
.letter__sign{margin:34px 0 0;text-align:right;font-family:var(--hand);font-size:1.7rem;line-height:1.4;color:var(--ink)}
.letter__sign small{font-family:var(--sans);font-size:.78rem;color:var(--muted);letter-spacing:.06em}

.marginalia{position:absolute;left:-180px;top:140px;width:150px;transform:rotate(-8deg);z-index:3}
.marginalia p{margin:0;font-family:var(--hand);font-size:1.4rem;line-height:1.5;color:var(--terra)}
@media (max-width:1180px){.marginalia{display:none}}

/* =========================================================
   夜空 · 蠟燭
   ========================================================= */
.night{
  --lit:0;
  position:relative;overflow:hidden;padding:150px 0 140px;color:var(--cream);
  background:radial-gradient(80% 60% at 50% 40%,var(--night-2),var(--night) 70%);
}
.night__stars{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.night::before{
  content:"";position:absolute;left:50%;top:48%;width:900px;height:700px;margin:-350px 0 0 -450px;z-index:0;pointer-events:none;
  background:radial-gradient(closest-side,rgba(255,190,100,.32),transparent);
  opacity:calc(var(--lit) / 3);transition:opacity 1s var(--ease);
}
.night::after{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;opacity:0;
  background:linear-gradient(0deg,rgba(242,160,110,.35),rgba(231,168,161,.12) 40%,transparent 75%);
  transition:opacity 2.4s var(--ease);
}
.night.dawn::after{opacity:1}
.night .h2{color:#fff}
.night .lead{color:rgba(255,255,255,.66)}

.cake{position:relative;width:min(440px,88%);margin:70px auto 0;padding-top:160px}
.cake__candles{position:absolute;left:0;right:0;bottom:128px;z-index:3;display:flex;justify-content:center;gap:clamp(40px,10vw,70px)}
.candle{position:relative;width:22px;cursor:pointer;-webkit-tap-highlight-color:transparent}
.candle__body{
  position:relative;height:96px;border-radius:5px 5px 2px 2px;
  background:repeating-linear-gradient(135deg,#FFFDF8 0 8px,#F4D3CD 8px 16px);
  box-shadow:inset -5px 0 8px rgba(0,0,0,.12), inset 3px 0 4px rgba(255,255,255,.6);
}
.candle--pink .candle__body{background:repeating-linear-gradient(135deg,#FFFDF8 0 8px,#F6C1CB 8px 16px)}
.candle--mint .candle__body{background:repeating-linear-gradient(135deg,#FFFDF8 0 8px,#BFE3D6 8px 16px)}
.candle__body::before{content:"";position:absolute;left:0;right:0;top:-3px;height:8px;border-radius:50%;background:inherit;filter:brightness(1.05)}
.candle__wick{position:absolute;left:50%;bottom:100%;width:2px;height:12px;margin-left:-1px;background:#3A2A20;border-radius:1px;z-index:2}
.candle__flame{
  --lean:0deg;
  position:absolute;left:50%;bottom:9px;width:18px;height:36px;margin-left:-9px;
  border-radius:50% 50% 50% 50% / 62% 62% 38% 38%;
  background:radial-gradient(ellipse 50% 60% at 50% 78%,#fff 0 18%,#FFF0B8 28%,#FFC35A 52%,rgba(255,120,40,.85) 70%,rgba(255,80,20,0) 78%);
  transform-origin:50% 100%;transform:scale(0) skewX(var(--lean));opacity:0;
  filter:blur(.4px) drop-shadow(0 0 8px rgba(255,180,80,.9));
  transition:transform .45s var(--ease-back), opacity .3s;
}
.candle__flame i{position:absolute;left:50%;bottom:2px;width:6px;height:9px;margin-left:-3px;border-radius:50%;background:radial-gradient(#7AB8FF,rgba(80,140,255,0) 70%);opacity:.8}
.candle.lit .candle__flame{opacity:1;transform:scale(1) skewX(var(--lean));animation:flicker 1.6s ease-in-out infinite}
.candle.lit .candle__flame{animation-delay:calc(var(--d,0) * -0.5s)}
@keyframes flicker{
  0%,100%{transform:scale(1,1) skewX(var(--lean))}
  25%{transform:scale(.94,1.06) skewX(calc(var(--lean) + 2deg))}
  50%{transform:scale(1.03,.95) skewX(calc(var(--lean) - 2deg))}
  75%{transform:scale(.97,1.04) skewX(var(--lean))}
}
.candle__glow{
  position:absolute;left:50%;top:-80px;width:220px;height:220px;margin-left:-110px;border-radius:50%;pointer-events:none;
  background:radial-gradient(closest-side,rgba(255,200,110,.38),transparent);
  opacity:0;transform:scale(.6);transition:opacity .6s, transform .8s var(--ease);
}
.candle.lit .candle__glow{opacity:1;transform:scale(1);animation:glow 3s ease-in-out infinite}
@keyframes glow{50%{opacity:.75;transform:scale(1.08)}}
.candle:hover:not(.lit) .candle__wick{box-shadow:0 0 8px 2px rgba(255,200,120,.6)}
.smoke{position:absolute;left:50%;bottom:6px;opacity:0;pointer-events:none}
.smoke i{position:absolute;left:-6px;bottom:0;width:12px;height:12px;border-radius:50%;background:rgba(220,215,210,.55);filter:blur(4px)}
@keyframes smoke{
  0%{opacity:.85;transform:translate(0,0) scale(.6)}
  100%{opacity:0;transform:translate(var(--sx,10px),-110px) scale(3.2)}
}
.smoke i:nth-child(2){--sx:-14px}.smoke i:nth-child(3){--sx:6px}

.cake__body{position:relative;height:150px}
.cake__top{position:absolute;left:0;right:0;top:0;z-index:2;height:44px;border-radius:50%;background:radial-gradient(ellipse at 50% 40%,#FFF8F1,#F7E4D8)}
.cake__tier--1{
  position:absolute;left:0;right:0;top:22px;bottom:12px;z-index:1;overflow:hidden;
  border-radius:0 0 50% 50% / 0 0 22px 22px;
  background:linear-gradient(90deg,#D98E83,#EDB3A8 30%,#F2C2B8 55%,#DD958A);
}
.cake__drip{
  position:absolute;left:0;right:0;top:0;height:56px;
  background:
    radial-gradient(circle at 50% 100%,#FAEDE4 9px,transparent 10px) 0 22px / 46px 28px repeat-x,
    radial-gradient(circle at 50% 100%,#FAEDE4 7px,transparent 8px) 23px 10px / 46px 34px repeat-x,
    linear-gradient(#FAEDE4,#FAEDE4) 0 0 / 100% 26px no-repeat;
}
.cake__tier--2{
  position:absolute;left:0;right:0;bottom:44px;z-index:1;height:10px;
  background:radial-gradient(circle,var(--gold) 2.5px,transparent 3px) 0 0 / 18px 10px repeat-x;
  opacity:.9;
}
.cake__plate{position:absolute;left:-10%;right:-10%;bottom:-4px;height:30px;border-radius:50%;z-index:0;background:linear-gradient(180deg,rgba(255,255,255,.22),rgba(255,255,255,.06));box-shadow:0 18px 40px -10px rgba(0,0,0,.6)}

.wishes{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:760px;margin:56px auto 0;position:relative;z-index:2}
.wish-card{
  padding:22px 16px 18px;border-radius:20px;text-align:center;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  transition:border-color .5s, background .5s, box-shadow .5s, transform .5s var(--ease);
}
.wish-card.is-lit{border-color:rgba(242,196,109,.5);background:rgba(242,196,109,.08);box-shadow:0 0 40px -10px rgba(242,196,109,.45);transform:translateY(-4px)}
.wish-card__label{font-family:var(--serif);font-weight:900;font-size:1.25rem;letter-spacing:.1em;color:#fff}
.wish-card__desc{margin:6px 0 16px;font-size:.84rem;line-height:1.75;color:rgba(255,255,255,.62)}
.candle__btn{
  display:inline-flex;align-items:center;gap:6px;cursor:pointer;
  padding:8px 18px;border-radius:999px;font-size:.86rem;
  color:var(--gold);background:transparent;border:1px solid rgba(242,196,109,.55);
  transition:background .3s, color .3s, transform .3s var(--ease-back);
}
.candle__btn:hover{transform:translateY(-2px);background:rgba(242,196,109,.1)}
.wish-card.is-lit .candle__btn{background:var(--gold);color:var(--ink);border-color:var(--gold)}

.blow-hint{margin:30px 0 0;text-align:center;font-size:.92rem;letter-spacing:.06em;color:rgba(255,255,255,.72);position:relative;z-index:2}

.wish-box{
  position:relative;z-index:2;max-width:580px;margin:22px auto 0;padding:22px;border-radius:22px;
  background:rgba(255,255,255,.06);border:1px solid rgba(242,196,109,.32);
  animation:boxIn .7s var(--ease-back) both;
}
@keyframes boxIn{from{opacity:0;transform:translateY(16px) scale(.96)}}
.wish-box__title{text-align:center;font-family:var(--serif);font-weight:700;color:var(--gold);margin-bottom:14px;letter-spacing:.06em}
.wish-box__row{display:flex;flex-wrap:wrap;gap:10px}
.wish-box input{
  flex:1 1 220px;min-width:0;padding:12px 18px;border-radius:999px;font:inherit;font-size:.95rem;
  color:#fff;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);outline:none;
  transition:border-color .3s, box-shadow .3s;
}
.wish-box input::placeholder{color:rgba(255,255,255,.45)}
.wish-box input:focus{border-color:var(--gold);box-shadow:0 0 0 4px rgba(242,196,109,.15)}
.wish-box button{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;cursor:pointer;
  padding:12px 20px;border-radius:999px;border:0;font-size:.92rem;font-weight:700;
  color:var(--ink);background:linear-gradient(135deg,var(--gold),#F3A98F);
  transition:transform .3s var(--ease-back), box-shadow .3s;
}
.wish-box button:hover{transform:translateY(-2px);box-shadow:0 10px 24px -10px rgba(242,196,109,.7)}
#wishStatus{margin:10px 0 0;min-height:1.4em;text-align:center;font-size:.84rem;color:var(--gold)}

.candle-ctrl{position:relative;z-index:2;display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:28px}
.blow-btn{
  display:inline-flex;align-items:center;gap:8px;cursor:pointer;
  padding:14px 28px;border-radius:999px;border:0;font-size:1rem;font-weight:700;letter-spacing:.04em;
  color:var(--ink);background:linear-gradient(135deg,var(--gold),var(--blush));
  box-shadow:0 0 0 0 rgba(242,196,109,.6);
  transition:opacity .4s, filter .4s;
}
.blow-btn:not(:disabled){animation:pulse 2s ease-out infinite}
.blow-btn:disabled{opacity:.35;cursor:not-allowed;filter:grayscale(.4)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(242,196,109,.55)}100%{box-shadow:0 0 0 22px rgba(242,196,109,0)}}

.wish-list{position:relative;z-index:2;max-width:580px;margin:30px auto 0;display:grid;gap:8px}
.wish-item{
  padding:10px 16px;border-radius:14px;font-size:.9rem;line-height:1.6;color:rgba(255,255,255,.86);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.07);
  animation:boxIn .6s var(--ease) both;word-break:break-word;
}
.wish-item b{display:inline-block;margin-right:6px;padding:0 8px;border-radius:999px;font-size:.72rem;color:var(--ink);background:var(--gold)}
.wish-time{float:right;margin-left:10px;font-size:.72rem;color:rgba(255,255,255,.45)}

/* =========================================================
   籤筒
   ========================================================= */
.fortune{
  position:relative;padding:130px 0 150px;color:var(--cream);overflow:hidden;
  background:
    radial-gradient(50% 40% at 50% 70%,rgba(179,38,30,.22),transparent 70%),
    linear-gradient(180deg,#0F0E0E,#170E0C);
}
.fortune::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background:radial-gradient(circle,#F2C46D 1px,transparent 1.5px) 0 0 / 26px 26px;
}
.fortune .h2{color:#fff}
.fortune .lead{color:rgba(255,255,255,.68)}
.fortune__stage{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:34px;margin-top:46px}

.tube{position:relative;width:132px;height:230px;padding:0;border:0;background:none;cursor:pointer;transform-origin:50% 90%;-webkit-tap-highlight-color:transparent;transition:transform .4s var(--ease-back)}
.tube:hover{transform:translateY(-4px) rotate(-2deg)}
.tube:focus-visible{outline:2px solid var(--gold);outline-offset:8px;border-radius:16px}
.tube__sticks{position:absolute;left:50%;top:0;width:96px;height:82px;margin-left:-48px;display:flex;justify-content:center;align-items:flex-end;gap:5px}
.tube__sticks i{
  display:block;width:10px;height:var(--h);border-radius:3px 3px 0 0;transform:rotate(var(--r));transform-origin:50% 100%;
  background:linear-gradient(180deg,#C4352A 0 9px,#EFD49A 9px,#CFA15A);
  box-shadow:inset -2px 0 2px rgba(0,0,0,.15);
  transition:transform .4s var(--ease);
}
.tube:hover .tube__sticks i{transform:rotate(var(--r)) translateY(-4px)}
.tube__lucky.is-jump{animation:stickJump 1.2s var(--ease) both}
@keyframes stickJump{
  0%{transform:rotate(var(--r)) translateY(0)}
  40%{transform:rotate(0deg) translateY(-96px)}
  70%{transform:rotate(0deg) translateY(-84px)}
  100%{transform:rotate(var(--r)) translateY(0)}
}
.tube__body{
  position:absolute;left:0;right:0;bottom:0;height:160px;
  display:grid;place-items:center;border-radius:14px 14px 22px 22px;
  background:linear-gradient(90deg,#5A1810,#9A3424 35%,#B5442F 50%,#8C2C1E 70%,#4E140D);
  border:3px solid var(--gold-deep);
  box-shadow:0 30px 50px -20px rgba(0,0,0,.8), inset 0 0 0 4px rgba(0,0,0,.15);
}
.tube__body::before,.tube__body::after{content:"";position:absolute;left:-3px;right:-3px;height:8px;background:linear-gradient(90deg,#9A6E2A,var(--gold),#9A6E2A)}
.tube__body::before{top:18px}.tube__body::after{bottom:18px}
.tube__body b{font-family:var(--serif);font-weight:900;font-size:2.4rem;color:var(--gold);text-shadow:0 2px 0 rgba(0,0,0,.35);padding:6px 10px;border:2px solid rgba(242,196,109,.6);border-radius:6px}
.tube.shake{animation:shake .75s cubic-bezier(.36,.07,.19,.97) both}
@keyframes shake{
  0%,100%{transform:rotate(0)}
  15%{transform:rotate(-14deg) translateX(-6px)}
  30%{transform:rotate(12deg) translateX(6px)}
  45%{transform:rotate(-10deg) translateX(-4px)}
  60%{transform:rotate(8deg) translateX(3px)}
  75%{transform:rotate(-4deg)}
}

.slip{
  position:relative;width:min(400px,100%);padding:34px 28px 30px;text-align:center;
  background:linear-gradient(180deg,#FFF9EE,#F9EEDB);color:var(--ink);border-radius:4px;
  box-shadow:0 30px 60px -20px rgba(0,0,0,.7);
  transform-origin:50% 0;animation:unfold .9s var(--ease) both;
}
.slip::before{content:"";position:absolute;inset:10px;border:1.5px solid rgba(179,38,30,.4);border-radius:2px;pointer-events:none}
.slip::after{content:"";position:absolute;inset:14px;border:1px solid rgba(179,38,30,.2);border-radius:2px;pointer-events:none}
@keyframes unfold{
  0%{opacity:0;transform:perspective(800px) rotateX(-80deg) translateY(-20px)}
  100%{opacity:1;transform:none}
}
.slip__seal{position:absolute;right:-14px;top:-16px;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;color:#FBD9C4;background:radial-gradient(circle at 35% 30%,#D84A3F,var(--seal) 60%,#7E1712);transform:rotate(-12deg);box-shadow:0 6px 14px rgba(120,20,10,.45)}
.slip__title{font-family:var(--serif);font-size:2.6rem;font-weight:900;letter-spacing:.3em;color:var(--seal);text-indent:.3em;line-height:1.2}
.slip__sub{margin-top:6px;font-size:.82rem;letter-spacing:.1em;color:var(--muted)}
.slip__text{margin-top:14px;font-family:var(--serif);font-size:1rem;line-height:1.95;white-space:pre-line;min-height:3.9em}

/* =========================================================
   Footer
   ========================================================= */
.foot{padding:64px 20px 80px;text-align:center;background:#0B0909;color:rgba(255,255,255,.78);font-size:.95rem}
.foot p{margin:0}
.foot b{color:var(--gold);margin-left:4px}
.foot__tip{margin-top:.6rem !important;font-size:.8rem;opacity:.6;line-height:1.8}

/* =========================================================
   卡片檢視器
   ========================================================= */
.viewer{position:fixed;inset:0;z-index:1100;display:grid;place-items:center;padding:20px}
.viewer__backdrop{position:absolute;inset:0;background:rgba(20,15,12,.84);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);animation:fadeIn .35s ease both}
.viewer__close{
  position:absolute;right:18px;top:18px;z-index:3;width:46px;height:46px;border-radius:50%;cursor:pointer;
  border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);color:#fff;font-size:1.6rem;line-height:1;
  transition:transform .3s var(--ease-back), background .3s;
}
.viewer__close:hover{transform:rotate(90deg);background:rgba(255,255,255,.18)}
.viewer__card{
  position:relative;z-index:2;margin:0;max-width:min(92vw,900px);
  background:var(--card);padding:16px 16px 0;border-radius:4px;
  box-shadow:0 40px 80px -30px rgba(0,0,0,.8);
  animation:cardIn .55s var(--ease-back) both;
}
@keyframes fadeIn{from{opacity:0}}
@keyframes cardIn{from{opacity:0;transform:translateY(30px) rotate(-6deg) scale(.88)}to{transform:rotate(-1deg)}}
.viewer__media{position:relative;display:grid;place-items:center;background:var(--paper-2);touch-action:pan-y}
.viewer__media img{max-width:100%;max-height:70vh;width:auto;height:auto;object-fit:contain;transition:opacity .25s}
.viewer__media img.is-swapping{opacity:0}
.viewer__nav{
  position:absolute;top:50%;width:44px;height:44px;margin-top:-22px;border-radius:50%;border:0;cursor:pointer;
  display:grid;place-items:center;font-size:1.6rem;line-height:1;color:var(--ink);
  background:rgba(255,253,248,.9);box-shadow:0 6px 16px rgba(0,0,0,.2);transition:transform .25s var(--ease-back);
}
.viewer__nav:hover{transform:scale(1.1)}
.viewer__nav--prev{left:10px}.viewer__nav--next{right:10px}
.viewer__count{position:absolute;right:10px;bottom:10px;padding:3px 10px;border-radius:999px;font-size:.76rem;color:#fff;background:rgba(30,24,20,.6)}
.viewer__cap{padding:14px 8px 18px;text-align:center;font-family:var(--hand);font-size:1.35rem;line-height:1.55;color:var(--ink)}
.viewer__cap small{display:block;margin-top:6px;font-family:var(--sans);font-size:.78rem;letter-spacing:.06em;color:var(--muted)}
.viewer__cap .aside{font-size:12px}

/* =========================================================
   響應式
   ========================================================= */
@media (max-width:1100px){.side-rail{display:none}}
@media (max-width:900px){
  .hero{grid-template-columns:1fr;gap:10px;padding:120px 0 120px;min-height:auto}
  .hero__stack{height:420px;margin-top:20px}
  .pc--hero{width:min(44vw,220px)}
}
@media (max-width:760px){
  .photos,.letter-sec{padding:110px 0 120px}
  .night,.fortune{padding:110px 0 110px}
  .timeline{margin-top:56px}
  .timeline__line{left:14px}
  .memory,.memory:nth-of-type(even){width:100%;padding:0 0 0 44px;align-self:stretch}
  .memory + .memory{margin-top:56px}
  .memory::before,.memory:nth-of-type(even)::before{left:7px;right:auto;top:40px}
  .memory::after{display:none}
  .memory:nth-of-type(odd).reveal,.memory:nth-of-type(even).reveal{transform:translateY(30px)}
  .memory .pc{margin:0 auto !important;width:min(100%,400px)}
  .letter{margin-top:46px}
  .letter__paper{padding:118px 22px 40px 28px}
  .letter__paper::before{left:16px}
  .letter__stamp{right:18px;top:18px;width:72px;height:88px}
  .letter__stamp b{font-size:1.2rem}
  .letter__postmark{right:70px;top:30px;width:70px;height:70px}
  .letter__head{padding-right:0;flex-direction:column;align-items:flex-start;gap:4px}
  .letter__date{text-align:left}
  .letter__body{font-size:.98rem}
  .wishes{gap:8px}
  .wish-card{padding:16px 8px 14px;border-radius:16px}
  .wish-card__label{font-size:1.02rem;letter-spacing:.04em}
  .wish-card__desc{font-size:.74rem}
  .candle__btn{padding:7px 12px;font-size:.8rem}
  .ghost{font-size:9rem}
}
@media (max-width:420px){
  .topbar{padding-left:14px}
  .topbar__date{font-size:.78rem}
  .hero__stack{height:360px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;transition-delay:0s !important}
  html{scroll-behavior:auto}
  .grain{animation:none}
}

@media print{
  .intro,.topbar,.grain,.fx-canvas,.progress,.side-rail,.film,.night,.fortune,.viewer{display:none !important}
  body.is-locked{overflow:visible;height:auto}
  .reveal{opacity:1;transform:none}
}