*,:before,:after,::backdrop{--tw-border-spacing-x:0;--tw-border-spacing-y:0;--tw-translate-x:0;--tw-translate-y:0;--tw-rotate:0;--tw-skew-x:0;--tw-skew-y:0;--tw-scale-x:1;--tw-scale-y:1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness:proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-color:#3b82f680;--tw-ring-offset-shadow:0 0 #0000;--tw-ring-shadow:0 0 #0000;--tw-shadow:0 0 #0000;--tw-shadow-colored:0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }*,:before,:after{box-sizing:border-box;border:0 solid #e5e7eb}:before,:after{--tw-content:""}html,:host{-webkit-text-size-adjust:100%;tab-size:4;font-feature-settings:normal;font-variation-settings:normal;-webkit-tap-highlight-color:transparent;font-family:ui-sans-serif,system-ui,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji;line-height:1.5}body{line-height:inherit;margin:0}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-feature-settings:normal;font-variation-settings:normal;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}button,input,optgroup,select,textarea{font-feature-settings:inherit;font-variation-settings:inherit;font-family:inherit;font-size:100%;font-weight:inherit;line-height:inherit;letter-spacing:inherit;color:inherit;margin:0;padding:0}button,select{text-transform:none}button,input:where([type=button]),input:where([type=reset]),input:where([type=submit]){-webkit-appearance:button;background-color:#0000;background-image:none}:-moz-focusring{outline:auto}:-moz-ui-invalid{box-shadow:none}progress{vertical-align:baseline}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}summary{display:list-item}blockquote,dl,dd,h1,h2,h3,h4,h5,h6,hr,figure,p,pre{margin:0}fieldset{margin:0;padding:0}legend{padding:0}ol,ul,menu{margin:0;padding:0;list-style:none}dialog{padding:0}textarea{resize:vertical}input::-moz-placeholder{opacity:1;color:#9ca3af}textarea::-moz-placeholder{opacity:1;color:#9ca3af}input::placeholder,textarea::placeholder{opacity:1;color:#9ca3af}button,[role=button]{cursor:pointer}:disabled{cursor:default}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}[hidden]:where(:not([hidden=until-found])){display:none}.collapse{visibility:collapse}.fixed{position:fixed}.absolute{position:absolute}.relative{position:relative}.block{display:block}.flex{display:flex}.inline-flex{display:inline-flex}.table{display:table}.grid{display:grid}.hidden{display:none}.transform{transform:translate(var(--tw-translate-x), var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.resize{resize:both}.border{border-width:1px}.tabular-nums{--tw-numeric-spacing:tabular-nums;font-variant-numeric:var(--tw-ordinal) var(--tw-slashed-zero) var(--tw-numeric-figure) var(--tw-numeric-spacing) var(--tw-numeric-fraction)}.underline{text-decoration-line:underline}.ring{--tw-ring-offset-shadow:var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color);--tw-ring-shadow:var(--tw-ring-inset) 0 0 0 calc(3px + var(--tw-ring-offset-width)) var(--tw-ring-color);box-shadow:var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow,0 0 #0000)}.blur{--tw-blur:blur(8px);filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow)}.filter{filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow)}.ease-in-out{transition-timing-function:cubic-bezier(.4,0,.2,1)}:root{--bg:#f2f2f2;--ink:#333;--muted:#8a8a8a;--accent:#c2a9a4;--sub:#d1dede;--line:#e3e3e3;--cream:#fff;--wine:#7a2e3b}*{box-sizing:border-box}html{scroll-behavior:smooth;scrollbar-gutter:stable}body{background:var(--bg);color:var(--ink);font-family:var(--font-body), Pretendard, system-ui, sans-serif;-webkit-font-smoothing:antialiased;line-height:1.7}img{max-width:100%;display:block}.card-shell{background:var(--bg);max-width:480px;min-height:100vh;margin:0 auto;overflow-x:hidden}.reveal{opacity:0;transition:opacity .8s,transform .8s cubic-bezier(.16,1,.3,1);transform:translateY(24px)}.reveal.in{opacity:1;transform:none}.word-reveal{opacity:0;transition:opacity .8s,transform .8s cubic-bezier(.16,1,.3,1);display:inline-block;transform:translateY(18px)}.word-reveal.go{opacity:1;transform:none}.greeting-sec{background-position:50%;background-size:cover;position:relative}.greeting-overlay{background:linear-gradient(#00000080,#0000009e);position:absolute;inset:0}.greeting-content{z-index:1;text-align:left;flex-direction:column;justify-content:space-between;width:100%;max-width:460px;min-height:100svh;margin:0 auto;padding:78px 34px 64px;display:flex;position:relative}.greeting-letter{font-family:var(--font-hand), cursive;color:#f1ebe0;text-shadow:0 1px 10px #0006;font-size:22px;line-height:1.6}.greeting-letter p{margin:0}.greeting-letter .sp{height:18px}.greeting-closing{font-family:var(--font-hand), cursive;color:#fff;text-shadow:0 1px 10px #0006;font-size:22px}.greeting-cite{font-family:var(--font-hand), cursive;color:#fff9;margin-top:12px;font-size:22px}.dday-badge{color:var(--wine);font-family:var(--font-hand), cursive;letter-spacing:.02em;background:linear-gradient(135deg,#efe2df,#e3d2dd);border-radius:999px;align-items:center;gap:8px;margin-top:22px;padding:10px 22px;font-size:17px;animation:2.2s ease-in-out infinite ddayPulse;display:inline-flex;box-shadow:0 6px 18px #7a2e3b29}.dday-badge b{margin-left:2px;font-size:18px;font-weight:800}.dday-badge .dday-heart{color:var(--wine);animation:1.3s ease-in-out infinite ddayBeat;display:inline-block}@keyframes ddayPulse{0%,to{transform:translateY(0);box-shadow:0 6px 18px #7a2e3b29}50%{transform:translateY(-2px);box-shadow:0 10px 26px #7a2e3b4d}}@keyframes ddayBeat{0%,to{transform:scale(1)}25%{transform:scale(1.25)}45%{transform:scale(1)}}@media (prefers-reduced-motion:reduce){.dday-badge,.dday-badge .dday-heart{animation:none}}.letter-paper{z-index:1;background:repeating-linear-gradient(#0000 0 33px,#96785f24 34px),linear-gradient(#fffdf8 0%,#faf5ea 100%);border:1px solid #967d644d;border-radius:3px;max-width:380px;margin:0 auto;padding:30px 26px;position:relative;box-shadow:0 14px 34px #281e1247,inset 0 0 60px #b4a0821f}.letter-paper:before{content:"";pointer-events:none;border:1px solid #a0876c38;border-radius:2px;position:absolute;inset:5px}.letter-paper+.letter-paper{margin-top:22px}.section{padding:68px 28px;position:relative}.eyebrow{font-family:var(--font-script), cursive;color:var(--accent);font-size:30px;line-height:1}.sec-title{font-family:var(--font-hand), cursive;letter-spacing:.04em;color:var(--ink);margin-top:6px;font-size:26px}#envelope{z-index:1000;perspective:1500px;perspective-origin:50%;background:0 0;max-width:480px;margin:0 auto;position:fixed;inset:0;overflow:hidden}#envelope.done{display:none}.env-paper{z-index:2;backface-visibility:hidden;background:radial-gradient(at 28% 22%,#00000003,#0000 55%),radial-gradient(at 76% 70%,#00000003,#0000 55%),linear-gradient(#fcfcfb 0%,#f6f6f4 100%);height:50%;transition:transform 1.2s cubic-bezier(.55,.04,.3,1),opacity 1s .4s;position:absolute;left:0;right:0;box-shadow:inset 0 0 90px #bebcb61f}.env-paper:after{content:"";pointer-events:none;opacity:.045;mix-blend-mode:multiply;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.92' numOctaves='2'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");position:absolute;inset:0}.env-paper.top{transform-origin:top;border-bottom:1px solid #b4afa529;top:0}.env-paper.bottom{transform-origin:bottom;bottom:0}#envelope.opening .env-paper.top{opacity:0;transform:rotateX(115deg)}#envelope.opening .env-paper.bottom{opacity:0;transform:rotateX(-115deg)}.env-title{text-align:center;z-index:6;font-family:var(--font-seal), cursive;color:#20201e;letter-spacing:.01em;font-size:clamp(50px,14.5vw,62px);line-height:1;transition:opacity .5s;position:absolute;top:4%;left:0;right:0}.env-meta{text-align:center;z-index:5;transition:opacity .6s;position:absolute;bottom:7%;left:0;right:0}.env-meta .d{color:#1a1a1a;letter-spacing:.14em;font-size:21px;font-weight:700}.env-meta .n{color:#1a1a1a;letter-spacing:.14em;margin-top:12px;font-size:15px;font-weight:600}.seal-anchor{z-index:8;transform-style:preserve-3d;transition:transform 1.1s cubic-bezier(.5,.05,.2,1),opacity .8s .2s;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}#envelope.opening .seal-anchor{opacity:0;transform:translate(-50%,-50%)translateY(-140px)translateZ(180px)scale(1.2)rotate(-4deg)}.wax-seal{aspect-ratio:600/761;cursor:pointer;background:0 0;border:0;width:clamp(120px,31vw,150px);padding:0;position:relative}.env-tap{z-index:9;pointer-events:none;flex-direction:column;align-items:center;gap:3px;margin-top:2px;display:flex;position:absolute;top:100%;left:50%;transform:translate(-50%)}.env-tap .tap-inner{flex-direction:column;align-items:center;gap:3px;animation:1.15s ease-in-out infinite tapBounce;display:flex}.tap-arrow{width:22px;height:26px;position:relative}.tap-arrow .stem{background:#b07b74;border-radius:3px;width:3px;height:17px;position:absolute;bottom:0;left:50%;transform:translate(-50%)}.tap-arrow .head{border-bottom:10px solid #b07b74;border-left:7px solid #0000;border-right:7px solid #0000;width:0;height:0;position:absolute;top:0;left:50%;transform:translate(-50%)}.env-tap .lbl{font-family:var(--font-hand), cursive;color:#b07b74;letter-spacing:.02em;font-size:17px}@keyframes tapBounce{0%,to{transform:translateY(0)}50%{transform:translateY(-9px)}}#envelope.opening .env-tap{opacity:0;transition:opacity .3s}.seal-stage{transform-origin:50%;filter:drop-shadow(0 7px 13px #3c080e66)drop-shadow(0 2px 3px #3c080e4d);transition:transform .4s cubic-bezier(.34,1.4,.64,1);position:absolute;inset:0}.seal-stage img{-o-object-fit:contain;object-fit:contain;-webkit-user-drag:none;-webkit-user-select:none;user-select:none;width:100%;height:100%;display:block}.wax-seal:hover .seal-stage{transform:scale(1.04)}.wax-seal.pressing .seal-stage{transition:transform .1s;transform:scale(.94)}.env-hint{text-align:center;z-index:5;color:#9c8e8a;letter-spacing:.3em;font-size:15px;font-style:italic;transition:opacity .4s;animation:2.2s ease-in-out infinite hintBlink;position:absolute;bottom:7%;left:0;right:0}@keyframes hintBlink{0%,to{opacity:.45}50%{opacity:1}}#envelope.opening .env-title,#envelope.opening .env-meta,#envelope.opening .env-hint{opacity:0;animation:none}.scroll-progress{background:var(--accent);z-index:900;height:3px;transition:width .1s linear;position:fixed;top:0;left:0}.toggle-bar{z-index:850;pointer-events:none;justify-content:space-between;width:100%;max-width:480px;padding:0 12px;display:flex;position:fixed;top:12px;left:50%;transform:translate(-50%)}.toggle-bar>*{pointer-events:auto}.pill-toggle{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border:1px solid var(--line);letter-spacing:.06em;background:#ffffffb3;border-radius:999px;gap:2px;padding:3px;font-size:11px;display:flex}.pill-toggle button{cursor:pointer;color:var(--muted);background:0 0;border:0;border-radius:999px;padding:4px 10px}.pill-toggle button.on{background:var(--ink);color:#fff}.dday-pin{z-index:840;background:var(--ink);color:#fff;letter-spacing:.08em;opacity:0;border-radius:999px;align-items:center;gap:6px;padding:8px 14px;font-size:12px;transition:opacity .4s,transform .4s;display:flex;position:fixed;bottom:18px;right:max(14px,50% - 226px);transform:translateY(12px);box-shadow:0 6px 18px #0000002e}.dday-pin.show{opacity:1;transform:none}.dday-pin .heart{color:var(--accent)}.dday-pin b{font-variant-numeric:tabular-nums;font-size:13px}.splash{z-index:1200;background:var(--bg);justify-content:center;align-items:center;transition:opacity .6s;display:flex;position:fixed;inset:0}.splash.hide{opacity:0;pointer-events:none}.splash .ring{border:2px solid var(--sub);border-top-color:var(--accent);border-radius:50%;width:38px;height:38px;animation:.9s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transition:none;transform:none}.env-hint{animation:none}.seal-stage,.seal-anchor,.env-paper,.env-title,.env-meta{transition:opacity .5s}#envelope.opening .env-paper.top,#envelope.opening .env-paper.bottom{transform:none}#envelope.opening .seal-anchor{transform:translate(-50%,-50%)}}