@font-face{font-family:IsYun;src:url(https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2202-2@1.0/LeeSeoyun.woff) format("woff");font-weight:400;font-display:swap}:root{--bg: #f5f2ec;--surface: #fbfaf7;--ink: #262523;--ink-2: #45423e;--muted: #736e67;--line: #e4dfd6;--line-strong: #cec7bb;--placeholder: #e6e1d8;--accent: #2b2a28;--blue: #c9d3dc;--blue-ink: #3e4b57;--sun: #9a5a52;--sat: #52667a;--display: "Instrument Serif", "Gowun Batang", serif;--caps: "Jost", "Noto Sans KR", sans-serif;--serif: "Gowun Batang", serif;--latin: "Cormorant Garamond", serif;--sans: "Noto Sans KR", system-ui, sans-serif}*{box-sizing:border-box}html,body{margin:0;background:#dcd6cd var(--paper-noise)}body{font-family:var(--sans);color:var(--ink);-webkit-font-smoothing:antialiased}button,input,textarea{font-family:inherit}button{cursor:pointer}img{display:block;max-width:100%}.app{max-width:430px;margin:0 auto;background:var(--bg);min-height:100vh;overflow-x:hidden}.section{padding:64px 24px;display:flex;flex-direction:column;align-items:center;gap:24px;text-align:center}.section.white{background:var(--surface)}.eyebrow{font-family:var(--display);font-size:44px;line-height:.95;letter-spacing:.01em;text-transform:uppercase;color:var(--ink)}.title{margin:0;font-family:var(--serif);font-size:15px;font-weight:400;color:var(--muted);letter-spacing:.04em}.caps{font-family:var(--caps);font-size:11px;font-weight:500;letter-spacing:.28em;text-transform:uppercase}.divider{width:28px;height:1px;background:var(--line-strong)}.muted{color:var(--muted)}.btn{min-height:48px;padding:0 20px;border:1px solid var(--line-strong);border-radius:3px;background:var(--surface);color:var(--ink);font-size:14px;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none}.btn.primary{border:0;background:var(--accent);color:var(--surface);font-weight:500;letter-spacing:.04em}.btn.pill{border-radius:3px}.btn.block{width:100%}.icon-btn{width:44px;height:44px;border-radius:22px;border:0;background:transparent;color:var(--accent);display:inline-flex;align-items:center;justify-content:center}.photo-ph{background:var(--placeholder);color:var(--muted);display:flex;align-items:center;justify-content:center;font-size:13px}.photo{width:100%;height:100%;object-fit:cover}.cover{position:relative;min-height:100svh;padding:28px 20px 76px;display:flex;flex-direction:column;justify-content:center}.cover-card{position:relative;padding:34px 26px 30px;background:var(--surface) var(--paper-noise);box-shadow:0 1px 2px #3c322814,0 12px 30px -12px #3c32282e}.cover-side{position:absolute;top:34px;right:8px;writing-mode:vertical-rl;font-size:9px;letter-spacing:.3em;color:var(--muted)}.cover-title{margin:0 0 22px;font-family:var(--display);font-weight:400;font-size:clamp(54px,17vw,72px);line-height:.88;letter-spacing:-.005em;text-transform:uppercase;color:var(--ink)}.cover-photo{height:min(420px,52svh);overflow:hidden;background:var(--placeholder)}.cover-meta{display:flex;justify-content:space-between;gap:12px;margin-top:18px;padding-top:14px;border-top:1px solid var(--line-strong);color:var(--ink)}.cover-info{margin:14px 0 0;font-size:13px;line-height:1.75;color:var(--ink-2)}.music-btn{position:fixed;top:16px;right:max(16px,calc(50% - 199px));z-index:6;border:1px solid var(--line-strong);background:#fbfaf7eb;color:var(--ink)}.scroll-hint{position:absolute;left:0;right:0;bottom:20px;display:flex;justify-content:center;color:var(--muted);animation:hint 1.8s ease-in-out infinite}@keyframes hint{0%,to{transform:translateY(0)}50%{transform:translateY(6px)}}@media (prefers-reduced-motion: reduce){.scroll-hint{animation:none}}.cal{width:100%;border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);padding:20px 0;display:grid;grid-template-columns:repeat(7,minmax(0,1fr));row-gap:6px}.cal span{height:40px;display:flex;align-items:center;justify-content:center;font-size:14px}.cal .wd{height:32px;font-size:12px;color:var(--muted)}.cal .sun{color:var(--sun)}.cal .sat{color:var(--sat)}.cal .on b{width:36px;height:36px;border-radius:18px;background:var(--accent);color:var(--surface);display:flex;align-items:center;justify-content:center;font-weight:600}.countdown{display:flex;gap:10px}.countdown div{width:68px;height:72px;border-radius:3px;background:var(--surface);border:1px solid var(--line);display:flex;flex-direction:column;align-items:center;justify-content:center}.countdown strong{font-family:var(--display);font-size:30px;font-weight:400;line-height:1}.countdown small{font-family:var(--caps);font-size:10px;letter-spacing:.2em;color:var(--muted);margin-top:4px}.gallery{width:100%;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.gallery button{aspect-ratio:1 / 1;border:0;padding:0;border-radius:2px;overflow:hidden}.gallery button:first-child{grid-column:span 2;grid-row:span 2}.lightbox{position:fixed;top:0;right:0;bottom:0;left:0;background:#141210eb;display:flex;align-items:center;justify-content:center;z-index:10}.lightbox img,.lightbox .photo-ph{max-width:100%;max-height:80vh;width:100%;aspect-ratio:3 / 4;object-fit:contain}.lightbox .close{position:absolute;top:16px;right:16px;color:#fff}.lightbox .nav{position:absolute;top:50%;transform:translateY(-50%);color:#fff}.map{width:100%;height:200px;border-radius:3px;overflow:hidden}.map iframe{width:100%;height:100%;border:0}.grid-3{width:100%;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.grid-3 .btn{padding:0;font-size:13px;min-height:44px;border-radius:3px}.route{width:100%;display:flex;gap:14px;text-align:left}.route b{flex:0 0 52px;font-size:13px;color:var(--blue-ink)}.route span{font-size:13px;line-height:1.6;color:var(--ink-2);white-space:pre-line}.card{width:100%;border:1px solid var(--line);border-radius:3px;overflow:hidden;background:var(--surface);text-align:left}.acc-head{width:100%;height:52px;padding:0 18px;border:0;background:var(--bg);display:flex;align-items:center;justify-content:space-between;font-size:15px;font-weight:500;color:var(--ink)}.acc-head svg{transition:transform .2s}.acc-head[aria-expanded=true] svg{transform:rotate(180deg)}.acc-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 12px 14px 18px;border-top:1px solid var(--line)}.acc-row small{display:block;font-size:12px;color:var(--muted)}.copy-btn{height:36px;min-width:64px;padding:0 12px;border:1px solid var(--line-strong);border-radius:3px;background:var(--surface);font-size:13px;color:var(--ink)}.copy-btn.done{color:var(--blue-ink);border-color:var(--blue-ink);background:var(--blue)}.contact-row{width:100%;display:flex;align-items:center;justify-content:space-between;padding:6px 8px 6px 18px;border:1px solid var(--line);border-radius:3px;background:var(--bg);font-size:14px}.form{padding:20px;display:flex;flex-direction:column;gap:16px}.field{display:flex;flex-direction:column;gap:8px;font-size:13px;font-weight:500}.field input,.field textarea{height:44px;padding:0 12px;border:1px solid var(--line-strong);border-radius:3px;font-size:14px;color:var(--ink);background:var(--surface)}.seg{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.seg button{height:44px;border-radius:3px;border:1px solid var(--line-strong);background:var(--surface);color:var(--ink);font-size:14px}.seg button[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:var(--surface)}.kakao{border:0;background:#fee500;color:#191919;font-weight:500}.toast{position:fixed;left:50%;bottom:calc(32px + env(safe-area-inset-bottom));transform:translate(-50%);background:#2f2c29eb;color:#fff;padding:10px 18px;border-radius:3px;font-size:13px;z-index:20}footer{padding:32px 24px;text-align:center;font-size:12px;color:var(--muted)}.field textarea{height:auto;padding:10px 12px;resize:vertical;line-height:1.6}.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s ease,transform .9s ease}.reveal.in{opacity:1;transform:none}@media (prefers-reduced-motion: reduce){.reveal{opacity:1;transform:none;transition:none}}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:15;background:#14121080;display:flex;align-items:flex-end;justify-content:center;animation:fade .2s ease}.modal{width:100%;max-width:430px;max-height:85vh;overflow-y:auto;background:var(--surface);border-radius:6px 6px 0 0;padding:8px 20px calc(24px + env(safe-area-inset-bottom));animation:up .25s ease}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:8px 0 8px 4px;font-family:var(--serif);font-size:18px}.modal-head .icon-btn{color:var(--ink)}@keyframes fade{0%{opacity:0}}@keyframes up{0%{transform:translateY(40px);opacity:0}}@media (prefers-reduced-motion: reduce){.modal,.modal-backdrop{animation:none}}.contact-group{display:flex;flex-direction:column;gap:8px;padding:12px 0}.contact-group h3{margin:0 0 4px 4px;font-family:var(--caps);font-size:12px;font-weight:500;letter-spacing:.2em;color:var(--blue-ink)}.contact-row small{font-size:12px;color:var(--muted);margin-right:4px}.tabs{width:100%;display:flex;gap:6px;overflow-x:auto;scrollbar-width:none}.tabs button{flex:1 0 auto;height:40px;padding:0 14px;border-radius:3px;border:1px solid var(--line-strong);background:var(--surface);color:var(--ink-2);font-size:13px}.tabs button[aria-selected=true]{background:var(--accent);border-color:var(--accent);color:var(--surface)}.notice-panel{padding:24px 20px;font-size:14px;line-height:1.8;color:var(--ink-2);white-space:pre-line;text-align:center;background:var(--blue);color:var(--blue-ink);border:0}.gb-list{width:100%;margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:10px;text-align:left}.gb-entry{padding:14px 10px 14px 16px;border:1px solid var(--line);border-radius:3px;background:var(--surface)}.gb-meta{display:flex;align-items:center;gap:8px;font-size:13px}.gb-meta .muted{font-size:12px}.gb-del{margin-left:auto;width:32px;height:32px;border:0;border-radius:16px;background:transparent;color:var(--muted);display:inline-flex;align-items:center;justify-content:center}.gb-entry p{margin:6px 6px 0 0;font-size:14px;line-height:1.7;color:var(--ink-2);white-space:pre-line;word-break:break-word}.gb-pw{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:10px}.gb-pw input{width:120px;height:36px;padding:0 10px;border:1px solid var(--line-strong);border-radius:8px;font-size:13px}.editable-photo{position:relative;display:block;width:100%;height:100%;padding:0;border:0;background:none;cursor:pointer}.edit-badge{position:absolute;left:50%;bottom:16px;transform:translate(-50%);padding:8px 14px;border-radius:3px;background:#262523c7;color:#fff;font-size:12px;white-space:nowrap;pointer-events:none}:root{--paper-noise: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .35 0 0 0 0 .25 0 0 0 0 .15 0 0 0 .11 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");--env: #f4f1eb;--env-dark: #ebe7df;--env-inside: #dcd6cc;--ink-brown: #34322f;--wax: #f3f1ec;--hand: "IsYun", "Gowun Batang", serif}.intro{position:fixed;top:0;right:0;bottom:0;left:0;z-index:30;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:34px;padding:24px 16px;background:linear-gradient(115deg,#ffffff8c,#fff0 38%),var(--paper-noise),repeating-linear-gradient(0deg,rgba(120,110,95,.05) 0 1px,transparent 1px 3px),repeating-linear-gradient(90deg,rgba(120,110,95,.04) 0 1px,transparent 1px 3px),#d9d3ca;color:var(--ink-brown);transition:opacity .9s ease,visibility .9s}.intro.leaving{opacity:0;visibility:hidden}.intro-skip{position:absolute;top:calc(12px + env(safe-area-inset-top));right:12px;height:40px;padding:0 14px;border:0;background:none;font-family:var(--hand);font-size:15px;color:#34322fb3}.intro-lead{margin:0;font-family:var(--hand);font-size:22px;line-height:1.6;text-align:center;transition:opacity .6s,transform .6s}.intro-lead span{color:#8c99a5}.intro-hint{margin:0;font-family:var(--hand);font-size:15px;color:#34322fb3;animation:hint-blink 2.4s ease-in-out infinite;transition:opacity .4s}@keyframes hint-blink{0%,to{opacity:.45}50%{opacity:1}}.intro.opening .intro-hint,.intro.opening .intro-lead{opacity:0;animation:none}.intro.opening .intro-lead{transform:translateY(-10px)}.envelope{position:relative;width:min(312px,84vw);aspect-ratio:1.45;perspective:900px;filter:drop-shadow(0 16px 20px rgba(60,52,40,.2)) drop-shadow(0 2px 3px rgba(60,52,40,.14));animation:env-float 4s ease-in-out infinite;transition:transform .9s cubic-bezier(.3,.7,.3,1) .8s}@keyframes env-float{0%,to{transform:translateY(0) rotate(-1.2deg)}50%{transform:translateY(-6px) rotate(-.6deg)}}.intro.opening .envelope{animation:none;transform:translateY(70px)}.env-back,.env-front,.env-flap{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:4px;background-image:var(--paper-noise)}.env-back{z-index:1;background-color:var(--env-inside)}.env-front{z-index:3;background-color:var(--env);clip-path:polygon(0 0,50% 52%,100% 0,100% 100%,0 100%);box-shadow:inset 0 -1px #0000000d}.env-front:before,.env-front:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.env-front:before{background:linear-gradient(to top right,transparent calc(50% - 1px),rgba(120,90,60,.16) 50%,transparent calc(50% + 1px)) left bottom / 50% 100% no-repeat,linear-gradient(to top left,transparent calc(50% - 1px),rgba(120,90,60,.16) 50%,transparent calc(50% + 1px)) right bottom / 50% 100% no-repeat}.env-front:after{background:linear-gradient(to bottom,transparent 70%,rgba(120,90,60,.07))}.env-to,.env-from{position:absolute;left:7%;font-family:var(--hand);color:var(--ink-brown);white-space:nowrap}.env-to{bottom:16%;font-size:17px}.env-from{bottom:6%;font-size:12px;opacity:.7}.stamp{position:absolute;right:7%;bottom:13%;width:40px;height:48px;display:flex;align-items:center;justify-content:center;background:#fbfaf7;padding:4px;transform:rotate(4deg);-webkit-mask:radial-gradient(circle 3px at 3px 3px,transparent 98%,#000) -3px -3px / 8px 8px;mask:radial-gradient(circle 3px at 3px 3px,transparent 98%,#000) -3px -3px / 8px 8px}.stamp span{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:var(--blue);color:var(--blue-ink);font-family:var(--serif);font-size:15px}.postmark{position:absolute;right:13%;bottom:7%;width:108px;color:#3e4b576b;transform:rotate(-12deg);pointer-events:none}.postmark text{font-family:var(--latin)}.env-flap{z-index:4;height:60%;background-color:var(--env-dark);clip-path:polygon(0 0,100% 0,50% 100%);transform-origin:top center;transition:transform .7s cubic-bezier(.5,0,.3,1) .3s,z-index 0s linear .62s,background-color .7s .3s}.intro.opening .env-flap{transform:rotateX(180deg);z-index:0;background-color:var(--env-inside)}.seal{position:absolute;z-index:5;left:50%;top:60%;width:68px;height:68px;translate:-50% -50%;padding:0;border:0;cursor:pointer;border-radius:47% 53% 50% 50%/52% 46% 54% 48%;background:radial-gradient(circle at 38% 32%,#ffffff 0%,var(--wax) 50%,#ddd8cf 100%);box-shadow:0 3px 7px #3c342838,inset 0 -3px 5px #786e5f38,inset 0 2px 3px #ffffffe6;display:flex;align-items:center;justify-content:center;animation:seal-pulse 2.4s ease-in-out infinite;transition:transform .35s ease,opacity .35s ease}.seal:before{content:"";position:absolute;top:9px;right:9px;bottom:9px;left:9px;border-radius:50%;border:1.5px solid rgba(150,140,125,.28);box-shadow:0 1px #ffffffe6,inset 0 1px #786e5f26}.seal span{position:relative;font-family:var(--latin);font-style:italic;font-size:15px;letter-spacing:.02em;color:#c2bbb0;text-shadow:0 1px 0 rgba(255,255,255,.95),0 -1px 0 rgba(110,100,85,.35);white-space:nowrap}.seal:focus-visible{outline:2px dashed var(--ink-brown);outline-offset:6px}@keyframes seal-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.06)}}.intro.opening .seal{animation:none;transform:scale(1.25) rotate(-8deg);opacity:0;pointer-events:none}.letter{position:absolute;z-index:2;left:5%;right:5%;bottom:4%;height:92%;padding:16px 14px;border-radius:2px;display:flex;flex-direction:column;align-items:center;gap:6px;background-color:#fbfaf7;background-image:var(--paper-noise);box-shadow:0 1px 3px #503c282e;text-align:center;color:var(--ink-brown);transition:transform 1s cubic-bezier(.25,.8,.25,1) .85s}.intro.opening .letter{transform:translateY(-64%)}.letter-eyebrow{font-family:var(--caps);font-size:9px;font-weight:500;letter-spacing:.3em;color:var(--muted)}.letter-names{margin-top:2px;font-family:var(--display);font-size:34px;font-weight:400;line-height:.95;text-transform:uppercase}.letter-names em{display:block;font-size:20px;color:#8c99a5}.letter-date{margin-top:4px;font-family:var(--caps);font-size:11px;letter-spacing:.26em}.letter-note{font-family:var(--hand);font-size:13px;opacity:.75}@media (prefers-reduced-motion: reduce){.envelope,.seal,.intro-hint{animation:none}.intro *,.intro{transition-duration:.01s!important;transition-delay:0s!important}}.cal-save{width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.cal-save .btn{padding:0;font-size:13px;min-height:44px}.ending{padding:0 0 56px;display:flex;flex-direction:column;align-items:center;gap:28px;text-align:center;background:var(--surface)}.ending-photo{width:100%;aspect-ratio:4 / 5;overflow:hidden;background:var(--placeholder)}.ending-text{margin:0;padding:0 24px;font-family:var(--serif);font-size:15px;line-height:2;color:var(--ink-2);white-space:pre-line}