:root{--blue:#09357a;--dark:#062657;--red:#ed1835;--mint:#d6f0ed;--ink:#183457;--muted:#596b80;--line:#dce3ec;--soft:#f3f6fa}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:white;font-size:16px;line-height:1.6}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #129a98;outline-offset:4px}header{height:94px;display:flex;align-items:center;gap:48px;padding:0 max(5%,calc((100vw - 1240px)/2));border-bottom:1px solid var(--line);position:sticky;top:0;background:#ffffffed;backdrop-filter:blur(15px);z-index:5}.brand{display:flex;align-items:center;gap:20px}.brand img{object-fit:contain}.brand span{font-size:13px;letter-spacing:.14em;color:var(--muted);border-left:1px solid var(--line);padding-left:20px}nav{display:flex;gap:32px;margin-left:auto;font-size:14px}nav a:hover{color:var(--red)}.languages{display:flex;border:1px solid var(--line);border-radius:30px;padding:4px}.languages button{background:none;border:0;padding:7px 12px;color:var(--blue);font-size:14px;border-radius:25px}.languages .active{color:#fff;background:var(--blue)}main{overflow:hidden}.hero{max-width:1240px;margin:0 auto;display:grid;grid-template-columns:1.2fr 1fr;gap:70px;padding:66px 0 64px;align-items:center}.eyebrow{font-size:12px;letter-spacing:.16em;font-weight:700;color:var(--blue);margin:0 0 18px}h1,h2,h3{color:var(--blue);line-height:1.12;letter-spacing:-.045em;font-weight:700;margin:0}h1{font-size:clamp(44px,5.2vw,72px)}h2{font-size:38px}h3{font-size:38px}.lead{max-width:550px;color:var(--muted);font-size:18px;line-height:1.7;margin:25px 0 28px}.button{display:inline-flex;align-items:center;justify-content:center;gap:26px;padding:13px 23px;border-radius:40px;font-size:14px;font-weight:600;line-height:1.4;min-height:48px;border:1px solid transparent;transition:background .2s,transform .2s}.button:hover{transform:translateY(-2px)}.primary{background:var(--blue);color:white}.primary:hover{background:var(--dark)}.outline{border-color:var(--blue);background:transparent;color:var(--blue)}.outline:hover{background:#e4ecf7}.anniversary-art{position:relative;background:var(--blue);color:white;height:330px;overflow:hidden;border-radius:3px 3px 75px 3px;display:flex;flex-direction:column;justify-content:center;padding:24px 38px;border-bottom:9px solid var(--red)}.big-number{font-weight:800;letter-spacing:-.095em;font-size:245px;line-height:.95;white-space:nowrap}.number-dot{color:#b9e7e1;letter-spacing:-.15em}.anniversary-bottom{display:flex;justify-content:space-between;align-items:end;font-size:16px;line-height:1.15;letter-spacing:.1em;margin-top:4px}.anniversary-bottom>span:first-child{font-weight:800;font-style:italic;font-size:28px}.history{background:var(--soft);padding:50px max(5%,calc((100vw - 1240px)/2)) 68px}.section-top{display:flex;align-items:end;justify-content:space-between;gap:30px}.section-top .eyebrow{margin-bottom:10px}.section-top>p{font-size:14px;color:var(--muted);margin-bottom:2px}.years{display:flex;overflow-x:auto;padding:30px 0 28px;scrollbar-width:thin;scrollbar-color:#aabbd1 transparent}.year{position:relative;flex:1;min-width:89px;display:flex;flex-direction:column;align-items:center;background:none;border:0;padding:12px 12px 4px;color:var(--muted);font-size:16px;font-weight:600}.year:after{content:'';position:absolute;left:0;right:0;height:2px;bottom:13px;background:#cad5e3}.year i{display:block;background:#f3f6fa;border:2px solid #8ca2bd;border-radius:50%;height:12px;width:12px;z-index:1;margin-top:20px;margin-bottom:4px;transition:transform .2s}.year.selected{color:var(--blue)}.year.selected i{border:4px solid var(--blue);background:white;transform:scale(1.6);box-shadow:0 0 0 5px #dce7f4}.year.selected span{background:var(--blue);color:white;padding:6px 14px;border-radius:20px;margin:-6px -14px}.year:hover i{border-color:var(--blue)}.year small{position:absolute;right:6px;top:0;font-size:12px;color:var(--red)}.future-year:after{background:repeating-linear-gradient(90deg,#a7b8cb 0 5px,transparent 5px 10px)}.story{display:grid;grid-template-columns:1.1fr 1fr;background:white;min-height:360px;border-radius:4px;overflow:hidden;box-shadow:0 8px 28px #082a5a06}.story-content{padding:38px 42px 20px;display:flex;flex-direction:column;align-items:start}.story-content>p:not(.eyebrow){color:var(--muted);max-width:500px;margin:18px 0 24px}.story-content h3{font-size:34px}.story-controls{border-top:1px solid var(--line);width:100%;display:flex;align-items:center;justify-content:space-between;padding-top:17px;margin-top:28px;color:var(--muted);font-size:13px;letter-spacing:.08em}.story-controls>div{display:flex;gap:8px}.round{width:39px;height:39px;border:1px solid var(--line);background:white;color:var(--blue);border-radius:50%;font-size:20px;line-height:1}.round:disabled{opacity:.3;cursor:default}.round:not(:disabled):hover{background:var(--mint)}.story-visual{position:relative;background:var(--blue);min-height:360px;overflow:hidden}.story-visual img{width:100%;height:100%;position:absolute;object-fit:cover}.story-visual:after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,#05234beb,transparent 80%)}#storyYear{position:absolute;z-index:1;bottom:43px;left:30px;color:white;font-size:84px;font-weight:700;letter-spacing:-.06em;line-height:1}#storyCaption{position:absolute;z-index:1;bottom:22px;left:32px;right:22px;color:#eee;font-size:12px}.no-image #storyYear{font-size:clamp(95px,12vw,170px);bottom:90px;left:35px;opacity:.95}.no-image{background:var(--blue);border-right:8px solid var(--red)}.no-image:after{background:linear-gradient(120deg,transparent,#1d568c)}.capsule{max-width:1240px;margin:auto;padding:85px 0;display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:start}.capsule h2{font-size:48px}.capsule .eyebrow{font-size:12px}.future-stamp{margin-top:37px;border-top:1px solid var(--line);padding-top:12px;display:flex;align-items:center;gap:25px}.future-stamp>span{font-size:65px;font-weight:700;color:var(--blue);letter-spacing:-.06em}.future-stamp p{font-size:12px;letter-spacing:.08em;max-width:110px}.form-card{background:#f0f7f7;padding:30px;border-radius:4px}label{display:block;font-size:14px;font-weight:600;margin:0 0 7px}label:not(:first-child){margin-top:19px}label small{font-weight:400;color:var(--muted)}input,textarea{display:block;width:100%;border:1px solid #bbcbd4;background:#fff;border-radius:6px;padding:11px 13px;color:var(--ink)}textarea{resize:vertical;min-height:92px}.help{font-size:12px;line-height:1.6;color:var(--muted);margin:8px 0 0}.form-card .button{width:100%;margin-top:22px}.demo{font-size:12px;color:var(--muted);line-height:1.5;margin:14px 0 0}.form-card [hidden],[hidden]{display:none!important}#formResult{overflow-wrap:anywhere}#formResult h3{font-size:28px}footer{padding:25px max(5%,calc((100vw - 1240px)/2));border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted);gap:20px}footer a{color:var(--blue)}footer>span:nth-child(2){font-size:11px;letter-spacing:.12em}dialog{border:0;border-radius:10px;width:min(700px,calc(100% - 32px));max-height:85vh;padding:40px;color:var(--ink);box-shadow:0 20px 100px #001a4160}dialog::backdrop{background:#031d48aa;backdrop-filter:blur(5px)}dialog h2{font-size:36px;padding-right:20px}dialog p{line-height:1.75}#dialogImage{width:100%;max-height:280px;object-fit:contain;margin-top:24px;background:var(--soft)}.close{position:absolute;right:16px;top:16px}#dialogBody{margin-top:24px}@media(min-width:1000px) and (max-width:1400px){.hero,.capsule{margin-left:5%;margin-right:5%}}@media(max-width:999px){header{height:78px;padding:0 5%;gap:20px}.brand span{display:none}.hero{margin:0 5%;gap:35px;padding:45px 0}.anniversary-art{height:280px;padding:24px}.big-number{font-size:190px}.capsule{margin:0 5%;gap:35px}.story-content{padding:28px}.story-content h3{font-size:29px}.section-top{align-items:start;flex-direction:column;gap:5px}.year{min-width:87px}.capsule h2{font-size:40px}}@media(max-width:650px){html{scroll-padding-top:90px}header{height:74px;gap:12px}.brand img{width:59px;height:40px}nav{gap:14px;font-size:12px}nav a:first-child{display:none}.languages button{padding:6px 9px}.hero{grid-template-columns:1fr;padding:35px 0 32px;gap:25px}.hero-text .eyebrow{font-size:11px}h1{font-size:48px}.lead{font-size:16px}.anniversary-art{height:145px;border-radius:3px 3px 45px 3px;flex-direction:row;align-items:center;justify-content:space-between;padding:12px 25px}.big-number{font-size:146px}.anniversary-bottom{gap:30px;font-size:16px}.anniversary-bottom>span:first-child{display:none}.history{padding-top:30px;padding-bottom:35px}h2{font-size:30px}.years{padding-top:18px}.story{grid-template-columns:1fr}.story-content{padding:25px}.story-visual{min-height:210px;order:-1}.story-controls{margin-top:22px}.story-content h3{font-size:30px}#storyYear{font-size:70px}.no-image #storyYear{font-size:105px;bottom:55px}.capsule{grid-template-columns:1fr;padding:45px 0;gap:30px}.capsule h2{font-size:40px}.future-stamp{margin-top:20px}.form-card{padding:23px}footer{flex-wrap:wrap;gap:10px}footer>span:first-child{flex-basis:100%}dialog{padding:30px 23px}dialog h2{font-size:30px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* Expanded archive, prototype 02 */
.anniversary-art{isolation:isolate}.birthday-balloons{position:absolute;right:4px;top:7px;width:145px;height:232px;object-fit:contain;z-index:2;pointer-events:none}.big-number{position:relative;z-index:1}.anniversary-bottom{position:relative;z-index:3}.eras{display:flex;gap:8px;flex-wrap:wrap;margin-top:27px}.eras button{border:1px solid #ced9e6;background:white;border-radius:25px;padding:7px 16px;font-size:14px;color:var(--muted)}.eras button.active{background:var(--blue);border-color:var(--blue);color:white}.eras button:hover{border-color:var(--blue)}.years{position:relative;overscroll-behavior-x:contain;padding-top:20px;padding-bottom:25px;scrollbar-width:thin}.year{min-width:91px;flex:none}.story-extra-count{font-size:12px!important;letter-spacing:.01em;margin:-8px 0 19px!important}.story-visual img{object-position:center}.story{min-height:380px}.story-visual{min-height:380px}.office-photo{margin:25px 0 30px}.office-photo #dialogImage{margin:0;display:block;max-height:270px;object-fit:cover}.office-photo figcaption{font-size:12px;color:var(--muted);margin-top:8px}.archive-heading{font-size:26px!important;margin:38px 0 18px!important;border-top:1px solid var(--line);padding-top:30px}.archive-story{background:var(--soft);padding:25px;border-radius:8px;margin-top:18px}.archive-story h3,#dialogBody h3{font-size:23px;line-height:1.25;letter-spacing:-.025em;margin:23px 0 10px}.archive-story h3:first-child{margin-top:0}.archive-story p{font-size:16px;line-height:1.7}.archive-gallery{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}.archive-gallery.single{grid-template-columns:1fr}.photo-button{border:1px solid #e0e5ec;background:white;border-radius:5px;padding:10px;display:flex;justify-content:center;align-items:center;cursor:zoom-in;min-width:0;transition:box-shadow .2s}.photo-button:hover{box-shadow:0 5px 16px #06265719}.photo-button img{display:block;max-width:100%;height:180px;object-fit:contain}.archive-gallery.single .photo-button img{height:auto;max-height:340px;width:auto}.photo-caption{font-size:12px!important;color:var(--muted)}.dialog-navigation{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:25px;margin-top:30px}.dialog-navigation button:disabled{opacity:.35;cursor:default}.dialog-navigation button{font-size:13px;padding:10px 17px}dialog{width:min(820px,calc(100% - 32px));overscroll-behavior:contain}.lightbox{width:min(1100px,calc(100% - 24px));padding:52px 22px 15px;background:#fff;text-align:center}.lightbox img{max-width:100%;max-height:69vh;object-fit:contain}.lightbox p{font-size:13px;color:var(--muted)}body:has(dialog[open]){overflow:hidden}.launch-balloons{position:fixed;inset:0;pointer-events:none;z-index:9;overflow:hidden}.rising-balloons{position:absolute;bottom:-260px;width:120px;height:220px;object-fit:contain;opacity:0;animation:balloon-rise 6.5s cubic-bezier(.24,.45,.55,.82) both}.flight-0{left:4%;animation-delay:.2s}.flight-1{right:3%;width:155px;height:245px;animation-delay:.9s}.flight-2{left:64%;width:90px;height:155px;animation-delay:1.6s}@keyframes balloon-rise{0%{transform:translate3d(0,0,0) rotate(-8deg);opacity:0}12%{opacity:.9}75%{opacity:.85}100%{transform:translate3d(30px,calc(-100vh - 350px),0) rotate(8deg);opacity:0}}@media(max-width:999px){.birthday-balloons{width:118px;height:190px;right:-2px;top:4px}.big-number{font-size:180px}}@media(max-width:650px){.birthday-balloons{width:95px;height:155px;right:53px;top:-11px}.big-number{font-size:146px}.story-visual{min-height:240px}.story{min-height:0}.eras{gap:6px;margin-top:20px}.eras button{padding:6px 10px;font-size:12px}.archive-story{padding:18px}.archive-gallery{grid-template-columns:1fr}.photo-button img{height:auto;max-height:280px}.dialog-navigation{flex-wrap:wrap}.rising-balloons{width:85px;height:145px}.flight-1{width:105px;height:180px}.flight-2{display:none}#dialogBody h3,.archive-story h3{font-size:22px}}@media(prefers-reduced-motion:reduce){.launch-balloons{display:none}.rising-balloons{animation:none}}
/* Original brand artwork and History Corner invitation */
.anniversary-logo{width:74px;height:50px;object-fit:contain;display:block}.history-invite{max-width:1240px;margin:0 auto 38px;border:1px solid #b4dbd8;border-left:5px solid var(--red);border-radius:12px;background:#e7f5f3}.history-invite summary{display:flex;align-items:center;gap:25px;cursor:pointer;list-style:none;padding:20px 27px}.history-invite summary::-webkit-details-marker{display:none}.history-invite summary:focus-visible{outline:3px solid var(--blue);outline-offset:4px}.invite-title{flex:1}.invite-title .eyebrow{display:block;font-size:12px;margin:0 0 5px}.invite-title strong{display:block;color:var(--blue);font-size:24px;line-height:1.3;letter-spacing:-.025em}.room-pill{display:flex;align-items:center;gap:12px;background:white;border:1px solid #c5dddd;padding:9px 15px;border-radius:30px;font-weight:700;color:var(--blue)}.room-pill span{font-size:13px;font-weight:400;border-left:1px solid #ccdedd;padding-left:12px;white-space:nowrap}.invite-toggle{font-size:30px;color:var(--blue);line-height:1;transition:transform .2s}.history-invite details[open] .invite-toggle{transform:rotate(45deg)}.invite-content{padding:0 27px 24px;max-width:900px}.invite-content>p{margin-top:0}.invite-content ul{display:grid;grid-template-columns:1fr 1fr;gap:10px 35px;padding-left:20px;margin:20px 0}.invite-content li::marker{color:var(--red)}.invite-location{font-weight:700;color:var(--blue);margin:22px 0 0!important}#previewMessage{white-space:pre-wrap;overflow-wrap:anywhere}.form-card textarea{min-height:165px}.rising-balloons{animation-duration:7s}@media(min-width:1000px) and (max-width:1400px){.history-invite{margin-left:5%;margin-right:5%}}@media(max-width:999px){.history-invite{margin-left:5%;margin-right:5%}.invite-title strong{font-size:21px}.history-invite summary{gap:18px;padding:18px 20px}}@media(max-width:650px){.anniversary-logo{width:48px;height:33px}.anniversary-bottom{align-items:center;gap:12px}.history-invite summary{flex-wrap:wrap;gap:12px}.invite-title{flex-basis:calc(100% - 44px);order:0}.invite-toggle{order:1}.room-pill{order:2;padding:6px 12px;font-size:15px}.invite-title strong{font-size:22px}.invite-title .eyebrow{font-size:11px}.invite-content{padding:0 20px 20px}.invite-content ul{grid-template-columns:1fr;gap:8px}.history-invite{margin-bottom:28px}.rising-balloons{max-width:100px}}
/* 2026: a shared birthday wall, within the original timeline card. */
[hidden]{display:none!important}.anniversary-logo{background:transparent;object-fit:contain}
.story.has-wall{display:block}.has-wall .story-content{padding:40px;max-width:none}.has-wall #storyIntro{max-width:720px}.has-wall #storyExtraCount{display:none}
#wishWall{margin-top:28px;max-width:900px}#wishForm{padding:24px;background:#f2f7f8;border:1px solid #dce6e9;border-radius:14px}
.wish-fields label{display:block;font-size:13px;font-weight:700;margin:0 0 8px}.wish-fields input,.wish-fields textarea{display:block;background:white;border:1px solid #ccd7df;border-radius:7px;width:100%;padding:12px;font:inherit;color:#173252}.wish-fields input{max-width:360px;margin-bottom:18px}.wish-fields textarea{resize:vertical;min-height:96px}
.wish-submit{display:flex;gap:20px;align-items:center;justify-content:space-between;margin-top:16px}.wish-submit .help{max-width:410px}.wish-submit .button{flex-shrink:0}.feed-heading{display:flex;justify-content:space-between;align-items:center;margin:30px 0 15px}.feed-refresh{border:0;background:transparent;color:#09357a;text-decoration:underline;cursor:pointer;padding:10px}.wish-card{position:relative;padding:22px 0;border-top:1px solid #dce5ec}.wish-card-head{display:flex;gap:12px;align-items:center}.wish-card-head time{margin-left:auto;font-size:12px;color:#687786}.wish-avatar{width:36px;height:36px;display:grid;place-items:center;border-radius:50%;background:#d6f0ed;color:#09357a;font-weight:700}.wish-card p{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.65;color:#314960;margin:13px 0 12px}.wish-like{border:1px solid #dce5ec;border-radius:20px;padding:7px 15px;background:white;font-size:16px;color:#506477;cursor:pointer}.wish-like[aria-pressed=true]{color:#d71939;background:#fff3f5;border-color:#f6cbd3}.empty-wall{padding:30px;text-align:center;border:1px dashed #bdcdd6;border-radius:12px;color:#667687}.button:disabled{opacity:.55;cursor:wait}#wishStatus:empty,#capsuleStatus:empty{display:none}#previewMessage{white-space:pre-wrap;overflow-wrap:anywhere}
.launch-balloons .rising-balloons{animation-name:balloon-wander;animation-timing-function:ease-in-out;animation-fill-mode:both;position:absolute;bottom:-350px;opacity:0;will-change:transform}
@keyframes balloon-wander{0%{transform:translate3d(0,0,0) rotate(-12deg);opacity:0}8%{opacity:.9}45%{transform:translate3d(var(--sway),-65vh,0) rotate(var(--turn));opacity:.85}90%{opacity:.75}100%{transform:translate3d(var(--drift),calc(-100vh - 600px),0) rotate(-15deg);opacity:0}}
.confetti{position:absolute;top:-30px;border-radius:1px;opacity:0;animation:confetti-fall linear both;will-change:transform;pointer-events:none}
@keyframes confetti-fall{0%{transform:translate3d(0,-30px,0) rotate(0);opacity:0}6%{opacity:1}80%{opacity:.9}100%{transform:translate3d(var(--drift),calc(100vh + 70px),0) rotate(var(--turn));opacity:0}}
@media(max-width:650px){.has-wall .story-content{padding:24px 18px}#wishForm{padding:18px}.wish-submit{align-items:stretch;flex-direction:column;gap:12px}.wish-card-head{gap:8px}.wish-card-head strong{max-width:50%;overflow-wrap:anywhere}.wish-card-head time{font-size:10px}.feed-heading{gap:8px;font-size:14px}}
@media(prefers-reduced-motion:reduce){.confetti,.rising-balloons{display:none!important}}

footer .creator{font-size:11px;letter-spacing:0;color:var(--muted)}

.grand-prix-section{max-width:1240px;margin:30px auto;padding:0} @media(max-width:1340px){.grand-prix-section{margin:24px 5%}}