*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:"Plus Jakarta Sans",system-ui,sans-serif;background:var(--bg,#0d0915);color:#fff}body{overflow-x:hidden;background:radial-gradient(circle at 18% 12%,rgba(190,77,150,.25),transparent 34%),radial-gradient(circle at 82% 78%,rgba(78,70,185,.18),transparent 32%),var(--bg,#0d0915);transition:background .5s}.topbar{position:fixed;top:0;left:0;right:0;height:70px;padding:0 5vw;display:flex;align-items:center;justify-content:space-between;z-index:20;background:linear-gradient(#0d0915e8,transparent);backdrop-filter:blur(10px)}.brand{font-size:13px;letter-spacing:.04em}.brand-heart{font-size:28px;margin-right:8px;color:#fff}.music-fab{width:46px;height:46px;border-radius:50%;border:1px solid #ffffff2b;background:#ffffff10;color:#fff;font-size:20px;box-shadow:0 10px 30px #0004}.progress{position:fixed;top:69px;left:5vw;right:5vw;height:2px;background:#ffffff12;z-index:21}.progress div{height:100%;width:10%;background:var(--accent,#ed72a0);transition:width .55s}.slide{display:none;min-height:100svh;padding:105px 6vw 120px;align-items:center;justify-content:center}.slide.active{display:flex;animation:enter .75s cubic-bezier(.2,.8,.2,1)}@keyframes enter{from{opacity:0;transform:translateY(22px) scale(.985)}to{opacity:1;transform:none}}h1,h2{font-family:"DM Serif Display",Georgia,serif;font-weight:600;line-height:.9;margin:18px 0;letter-spacing:-.025em}h1{font-size:clamp(54px,9vw,108px)}h2{font-size:clamp(46px,7vw,82px)}em{color:var(--accent,#ed72a0);font-style:italic}p{line-height:1.8;color:#d8d1df}.kicker{font-size:10px;letter-spacing:.30em;font-weight:800;color:#c7bacf}.hero,.game-intro{max-width:1000px;text-align:center}.hero p,.game-intro>p{max-width:680px;margin:25px auto}.hint{margin-top:22px;font-size:10px;letter-spacing:.16em;color:#8e8297}.btn{border:0;border-radius:999px;padding:14px 22px;min-height:52px;color:#fff;font-weight:800;transition:.25s;display:inline-flex;align-items:center;justify-content:center;gap:14px;margin:8px 6px}.btn:hover{transform:translateY(-2px)}.btn.primary{background:var(--accent,#ed72a0);box-shadow:0 12px 40px #0006}.btn.secondary{background:#ffffff0d;border:1px solid #ffffff25}.game-gift{font-size:76px;margin:18px auto 5px;animation:giftBob 2.5s ease-in-out infinite}@keyframes giftBob{50%{transform:translateY(-9px) rotate(2deg)}}.pull-game{width:min(620px,100%);margin:28px auto 0}.gift-box{position:relative;width:180px;height:145px;margin:0 auto 38px;transition:.45s}.box-body{position:absolute;left:15px;right:15px;bottom:0;height:105px;border-radius:12px 12px 20px 20px;background:linear-gradient(135deg,#e86f9d,#a73d73);box-shadow:0 25px 50px #0006}.lid{position:absolute;z-index:2;left:7px;right:7px;top:12px;height:42px;border-radius:12px;background:#f58bb4;display:grid;place-items:center;font-size:28px;box-shadow:0 8px 20px #0003}.ribbon-v{position:absolute;z-index:3;width:26px;height:110px;left:77px;bottom:0;background:#ffd3e4aa;border-radius:6px}.gift-box.open{transform:translateY(-8px) rotate(-2deg)}.gift-box.open .lid{transform:translateY(-28px) rotate(-7deg);transition:.45s}.pull-track{position:relative;height:62px;border:1px solid #ffffff20;background:#ffffff08;border-radius:999px;padding:6px;box-shadow:inset 0 0 30px #0003}.pull-fill{height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,#9c4779,var(--accent,#ed72a0));opacity:.8}.pull-tab{position:absolute;left:0;top:6px;width:50px;height:50px;border-radius:50%;border:2px solid #fff4;background:#fff;color:#5d2948;font-size:20px;touch-action:none;transform:translateX(-1px);transition:background .2s}.game-msg{font-size:12px;margin-top:16px}.success-heart{font-size:72px;color:var(--accent);animation:pop .55s}.success-game h2{margin-top:5px}@keyframes pop{50%{transform:scale(1.15)}}.split,.music-page{width:min(1100px,100%);display:grid;grid-template-columns:1.1fr .9fr;gap:7vw;align-items:center}.copy p{max-width:650px}.portrait{position:relative}.portrait img,.gallery img,.album img,.final-photo img,.mini-photo img,.letter-photo img{width:100%;display:block;object-fit:cover}.portrait img{aspect-ratio:4/5;border-radius:30px;border:8px solid #fff;box-shadow:0 30px 80px #0008}.portrait span{position:absolute;bottom:-18px;left:-18px;border:1px solid #ffffff22;background:#17101f;padding:13px 17px;border-radius:50%;font-size:11px}.wobble{animation:wobble 5s ease-in-out infinite}@keyframes wobble{0%,100%{transform:rotate(1.5deg) translateY(0)}50%{transform:rotate(-1.5deg) translateY(-8px)}}.wide{width:min(1180px,100%)}.wide>h2{margin-bottom:40px}.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.gallery figure{margin:0}.gallery img{aspect-ratio:3/4;border-radius:22px;filter:saturate(.9);transition:.5s}.float-a{animation:floatCardA 4.7s ease-in-out infinite}.float-b{animation:floatCardB 5.3s ease-in-out infinite}.float-c{animation:floatCardC 4.9s ease-in-out infinite}@keyframes floatCardA{50%{transform:translateY(-10px) rotate(-1deg)}}@keyframes floatCardB{50%{transform:translateY(10px) rotate(1.5deg)}}@keyframes floatCardC{50%{transform:translateY(-7px) rotate(-1.2deg)}}figcaption{padding:14px 4px;display:flex;gap:12px;font-size:12px;color:#c9c0cd}figcaption b{color:var(--accent)}.letter-card{width:min(800px,100%);padding:42px;border:1px solid #ffffff18;border-radius:30px;background:linear-gradient(150deg,#321c43dd,#1a1226ee);box-shadow:0 30px 100px #0007;position:relative}.letter-mark{font-size:90px;position:absolute;right:35px;top:15px;color:#ffffff0d}.letter-photo{width:min(250px,70%);margin:22px auto;border-radius:22px;transform:rotate(2deg)}.letter-photo img{aspect-ratio:1;border:6px solid #fff;border-radius:22px}.letter-text{font-size:clamp(16px,2.2vw,20px);line-height:2;white-space:pre-line;color:#e8dfeb;max-width:800px}.signature{margin-top:35px;text-align:right;color:#f4c6da;font-family:"Cormorant Garamond",serif;font-size:25px}.reasons,.timeline,.wish{width:min(1050px,100%)}.reason-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin:45px 0}.reason-grid>div{padding:22px 17px;border:1px solid #ffffff14;border-radius:20px;background:#ffffff06;animation:cardBreath 5s ease-in-out infinite}.reason-grid>div:nth-child(2){animation-delay:.5s}.reason-grid>div:nth-child(3){animation-delay:1s}.reason-grid>div:nth-child(4){animation-delay:1.5s}.reason-grid>div:nth-child(5){animation-delay:2s}@keyframes cardBreath{50%{transform:translateY(-6px) rotate(.4deg)}}.reason-grid b{display:block;color:var(--accent);font-size:10px;letter-spacing:.2em}.reason-grid strong{display:block;font-size:20px;margin:24px 0 5px}.reason-grid p{font-size:12px;line-height:1.6}.timeline-list{margin:45px 0;border-left:1px solid #ffffff20}.timeline-list>div{display:grid;grid-template-columns:70px 1fr;gap:20px;padding:20px 0 20px 24px;position:relative}.timeline-list>div:before{content:"";position:absolute;left:-4px;top:27px;width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 20px var(--accent)}.timeline-list span{color:var(--accent);font-weight:800}.timeline-list p{margin:0}.timeline-list b,.timeline-list small{display:block}.timeline-list small{margin-top:5px}.music-page{grid-template-columns:.85fr 1.15fr}.album{position:relative}.album img{aspect-ratio:1;border-radius:28px;box-shadow:0 30px 90px #0009}.vinyl{position:absolute;width:48%;aspect-ratio:1;border-radius:50%;background:repeating-radial-gradient(circle,#18131d 0 2px,#302735 3px 4px);right:-15%;top:25%;z-index:-1;animation:spin 10s linear infinite}.music-note{position:absolute;right:10%;bottom:10%;width:55px;height:55px;border-radius:50%;display:grid;place-items:center;background:#ffffff17;border:1px solid #fff3;font-size:25px}@keyframes spin{to{transform:rotate(360deg)}}.music-copy p{max-width:550px}.music-copy iframe,.music-copy audio{width:100%;margin:15px 0}.music-copy iframe{height:152px;border:0;border-radius:14px}.wish-lines{margin:40px 0}.wish-lines p{padding:17px 0;border-bottom:1px solid #ffffff14}.final{text-align:center;width:min(800px,100%)}.final-photo{width:min(320px,75vw);margin:0 auto 35px;transform:rotate(-2deg);animation:wobble 5.5s ease-in-out infinite}.final-photo img{aspect-ratio:1;border:7px solid #fff;border-radius:25px}.final-sign{font-family:"Cormorant Garamond",serif;font-size:30px;margin:30px}.stars,.sparkles,.hearts{position:fixed;inset:0;pointer-events:none;overflow:hidden;z-index:1}.star{position:absolute;width:2px;height:2px;background:#fff;border-radius:50%;opacity:.5;animation:float 8s linear infinite}.spark{position:absolute;color:#fff;opacity:.35;animation:drift 7s ease-in-out infinite}.spark:before{content:"✦"}.heart-float{position:absolute;bottom:-30px;font-size:18px;color:#ffffff25;animation:heartRise 9s linear infinite}@keyframes float{from{transform:translateY(110vh);opacity:0}20%{opacity:.5}to{transform:translateY(-10vh);opacity:0}}@keyframes drift{50%{transform:translate(18px,-22px) scale(1.5);opacity:.7}}@keyframes heartRise{from{transform:translateY(0) rotate(0);opacity:0}20%{opacity:.4}to{transform:translateY(-110vh) rotate(30deg);opacity:0}}.admin-layer{position:fixed;inset:0;z-index:100;background:#0b0710ee;backdrop-filter:blur(18px);display:flex;align-items:center;justify-content:center;padding:20px}.admin-layer.hidden{display:none}.admin-login,.admin-panel{width:min(920px,100%);max-height:92svh;overflow:auto;border:1px solid #ffffff18;border-radius:26px;background:#17101e;box-shadow:0 30px 120px #000c}.admin-login{max-width:430px;padding:34px}.admin-login h2,.admin-panel h2{font-size:40px;margin:10px 0}.admin-login input{width:100%;margin:18px 0}.admin-login #loginError{color:#ff9ab9;min-height:20px;font-size:12px}.admin-head{display:flex;justify-content:space-between;align-items:center;padding:24px 26px;border-bottom:1px solid #ffffff12;position:sticky;top:0;background:#17101ef2;backdrop-filter:blur(15px);z-index:3}.admin-head button{background:none;border:0;color:#fff;font-size:30px}.admin-tabs{display:flex;gap:8px;padding:14px 20px;border-bottom:1px solid #ffffff12;position:sticky;top:91px;background:#17101ef2;z-index:2;overflow:auto}.admin-tabs button{border:1px solid #ffffff12;background:#ffffff06;color:#cfc4d4;border-radius:999px;padding:9px 14px;white-space:nowrap}.admin-tabs button.active{background:var(--accent);color:#fff}.admin-body{padding:20px}.admin-body .tab{display:none}.admin-body .tab.active{display:block}.admin-body label{display:block;color:#bfb2c3;font-size:12px;margin:12px 0}.admin-body input,.admin-body textarea{display:block;width:100%;margin-top:7px;background:#0f0b14;border:1px solid #ffffff18;color:#fff;border-radius:13px;padding:12px 13px;outline:none}.admin-body input:focus,.admin-body textarea:focus{border-color:var(--accent)}.file-row{display:grid;grid-template-columns:1fr 1fr;gap:15px;align-items:end;padding:13px 0;border-bottom:1px solid #ffffff0c}.file-row span,.note{font-size:11px;color:#918598;line-height:1.6}.theme-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:9px;margin-bottom:18px}.theme-grid button{padding:16px 5px;border:1px solid #ffffff18;background:#ffffff09;color:#fff;border-radius:14px}.admin-save{position:sticky;bottom:0;padding:14px 20px;background:#17101ef5;border-top:1px solid #ffffff12;display:flex;gap:14px;align-items:center;justify-content:space-between}.admin-save span{font-size:11px;color:#aaa0ad}.admin-save .btn{margin:0}.download-ready{padding:14px 20px;background:#120d18;text-align:center}.ready-box{font-size:12px;color:#cfc4d4;margin-bottom:8px}.admin-body ::file-selector-button{border:0;border-radius:8px;padding:8px 10px;background:#fff;color:#222;margin-right:8px}@media(max-width:760px){.slide{padding:90px 20px 110px}.split,.music-page{grid-template-columns:1fr;gap:35px}.gallery{grid-template-columns:1fr 1fr}.gallery figure:nth-child(3){grid-column:1/-1;width:70%;margin:auto}.reason-grid{grid-template-columns:1fr 1fr}.reason-grid>div:last-child{grid-column:1/-1}.letter-card{padding:30px 22px}.music-page{display:flex;flex-direction:column}.album{width:75%;margin:auto}.vinyl{right:-18%}.theme-grid{grid-template-columns:repeat(3,1fr)}.file-row{grid-template-columns:1fr}.admin-save{align-items:stretch;flex-direction:column}.admin-save .btn{width:100%}h1{font-size:50px}h2{font-size:44px}.game-gift{font-size:65px}}
/* V3 refinements */
.game-orbit-mark{width:74px;height:74px;margin:18px auto 8px;border:1px solid #ffffff20;border-radius:50%;display:grid;place-items:center;font-size:30px;color:var(--accent);box-shadow:0 0 50px #ed72a033;animation:orbitPulse 3s ease-in-out infinite}.start-music-btn{margin-top:10px}.orbit-game{width:min(430px,88vw);margin:22px auto 0}.orbit-stage{position:relative;width:100%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,#ffffff09 0 20%,transparent 21% 48%,#ffffff06 49% 50%,transparent 51% 68%,#ffffff06 69% 70%,transparent 71%),linear-gradient(135deg,#ffffff05,#ffffff01);border:1px solid #ffffff12;box-shadow:inset 0 0 80px #0005,0 30px 80px #0005;overflow:hidden}.orbit-ring{position:absolute;inset:18%;border:1px solid #ffffff18;border-radius:50%}.orbit-target{position:absolute;left:50%;top:50%;width:28px;height:28px;margin:-14px;border-radius:50%;border:1px solid #fff8;background:#fff1;box-shadow:0 0 24px #fff4;transform:rotate(var(--target)) translateX(118px)}.orbit-dot{position:absolute;left:50%;top:50%;width:17px;height:17px;margin:-8.5px;border-radius:50%;background:var(--accent);box-shadow:0 0 24px var(--accent);transform-origin:8.5px 8.5px;animation:orbitSpin 2.8s linear infinite}.orbit-center{position:absolute;left:50%;top:50%;width:9px;height:9px;margin:-4.5px;border-radius:50%;background:#fff;box-shadow:0 0 15px #fff}.orbit-game.hit .orbit-stage{animation:hitFlash .45s}.orbit-game.miss .orbit-stage{animation:missShake .35s}.orbit-stats{display:flex;justify-content:center;gap:22px;margin:15px 0 4px;font-size:11px;letter-spacing:.12em;color:#aaa0b0}.orbit-action{margin-top:8px}.orbit-action .btn{min-width:170px}.orbit-message{min-height:22px;font-size:12px;color:#cfc4d4;margin:8px 0}.success-game{padding-top:10px}.success-game .btn{margin-top:12px}@keyframes orbitSpin{to{transform:rotate(360deg) translateX(118px) rotate(-360deg)}}@keyframes orbitPulse{50%{transform:scale(1.05);box-shadow:0 0 70px #ed72a055}}@keyframes hitFlash{50%{filter:brightness(1.6);transform:scale(1.02)}}@keyframes missShake{25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
@media(max-width:700px){h1{font-size:clamp(48px,13vw,72px)}h2{font-size:clamp(40px,11vw,60px)}.slide{padding:92px 5vw 48px}.topbar{height:64px;padding:0 5vw}.progress{top:63px}.gallery{grid-template-columns:1fr 1fr}.gallery figure:last-child{grid-column:1/-1;width:70%;margin:auto}.reason-grid{grid-template-columns:1fr 1fr}.music-page,.split{grid-template-columns:1fr;gap:28px}.letter-card{padding:28px 22px}.orbit-target{transform:rotate(var(--target)) translateX(100px)}.orbit-dot{animation-name:orbitSpinMobile}.orbit-stage{max-width:350px;margin:auto}}@keyframes orbitSpinMobile{to{transform:rotate(360deg) translateX(100px) rotate(-360deg)}}
.admin-sub{margin:4px 0 0;color:#a99dab;font-size:12px;line-height:1.5}.start-music-btn{border-color:#ffffff22}
/* Mobile-first sizing: comfortable on phones and safe in landscape */
@media (max-width:700px){
.slide{min-height:100svh;padding:86px 20px 34px;align-items:center;overflow:hidden}
.topbar{height:60px;padding:0 20px}
.progress{top:59px;left:20px;right:20px}
h1{font-size:clamp(38px,10.5vw,54px);line-height:.98;letter-spacing:-.02em}
h2{font-size:clamp(32px,9vw,48px);line-height:1.02}
p{font-size:15px;line-height:1.65}
.hero,.game-intro,.wide,.reasons,.timeline,.wish,.final,.split,.music-page{max-width:620px}
.game-intro>p,.hero p{margin:16px auto;max-width:560px}
.game-orbit-mark{font-size:52px!important}
.game-box,.orbit-stage{transform:scale(.88);transform-origin:center top}
.btn{min-height:48px;padding:12px 19px;font-size:14px;margin:6px 4px}
.gallery{gap:12px}
.gallery img{border-radius:16px}
.reason-grid{gap:9px;margin:28px 0}
.reason-grid>div{padding:16px 12px}
.reason-grid strong{font-size:16px;margin:16px 0 4px}
.reason-grid p{font-size:11px}
.letter-card{padding:28px 22px}
.letter-text{font-size:15px;line-height:1.75}
.music-page,.split{gap:22px}
.album{width:min(320px,72vw);margin:auto}
.music-copy iframe{height:110px}
.final-photo{width:min(240px,58vw);margin-bottom:24px}
.mini-photo{width:min(130px,32vw)}
}
@media (max-width:700px) and (max-height:700px){
.slide{padding-top:78px;padding-bottom:24px}
h1{font-size:clamp(34px,9vw,46px)}
h2{font-size:clamp(30px,8vw,42px)}
.game-gift{font-size:58px;margin:8px auto}
.game-intro>p,.hero p{margin:10px auto}
.gallery{margin-top:14px}
.wide>h2{margin-bottom:20px}
.reason-grid{margin:18px 0}
.timeline-list{margin:20px 0}
.wish-lines{margin:20px 0}
}
@media (orientation:landscape) and (max-height:600px){
.slide{padding:74px 28px 22px;align-items:flex-start;overflow:auto}
.topbar{height:54px}
.progress{top:53px}
h1{font-size:clamp(30px,6vw,46px)}
h2{font-size:clamp(28px,5vw,40px)}
.split,.music-page{grid-template-columns:1fr 1fr;gap:28px}
.portrait img{aspect-ratio:4/3}
.album{max-width:240px}
.final-photo{width:180px}
.game-intro{padding-bottom:20px}
}
/* V5 mobile-first polish */
.game-slide{padding:88px 5vw 34px;align-items:stretch}
.game-first .progress{display:none}
.game-full{width:min(760px,100%);min-height:calc(100svh - 122px);display:flex;flex-direction:column;justify-content:center;text-align:center}
.game-top h1{font-size:clamp(38px,7vw,68px);line-height:.98;margin:10px 0 12px}
.game-top p{max-width:560px;margin:0 auto 14px;font-size:14px;line-height:1.65}
.game-top .kicker{font-size:9px;letter-spacing:.24em}
.game-bottom-note{font-size:9px;letter-spacing:.13em;color:#8f8497;margin-top:12px}
.puzzle-game{width:min(680px,100%);margin:0 auto}.puzzle-stage{position:relative;width:min(430px,88vw);margin:10px auto 0;padding-bottom:132px}.puzzle-board{position:relative;width:100%;aspect-ratio:1;border-radius:22px;border:1px solid #ffffff20;background:#ffffff05;box-shadow:0 24px 70px #0008;overflow:hidden;touch-action:none}.puzzle-targets{position:absolute;inset:0}.puzzle-slot{position:absolute;width:50%;height:50%;border:1px dashed #ffffff32;display:grid;place-items:center;color:#ffffff38;font-size:11px;background:linear-gradient(135deg,#ffffff05,#ffffff01);transition:.2s}.puzzle-slot.filled{border-color:var(--accent);background:#ffffff08;box-shadow:inset 0 0 35px #ed72a020}.puzzle-slot span{font-weight:800;letter-spacing:.08em}.puzzle-tray{position:absolute;left:0;right:0;bottom:0;height:120px}.puzzle-piece{position:absolute;border-radius:14px;border:4px solid #fff;box-shadow:0 12px 28px #0009;background-size:200% 200%;background-repeat:no-repeat;cursor:grab;touch-action:none;transition:box-shadow .2s,transform .2s,left .18s,top .18s}.puzzle-piece[data-piece="0"]{background-position:0 0}.puzzle-piece[data-piece="1"]{background-position:100% 0}.puzzle-piece[data-piece="2"]{background-position:0 100%}.puzzle-piece[data-piece="3"]{background-position:100% 100%}.puzzle-piece span{position:absolute;left:6px;top:6px;background:#0d0915cc;border:1px solid #fff3;border-radius:50%;width:23px;height:23px;display:grid;place-items:center;font-size:9px;font-weight:800}.puzzle-piece.dragging{cursor:grabbing;transform:scale(1.05) rotate(1deg);box-shadow:0 22px 50px #000b;z-index:10}.puzzle-piece.placed{border-color:var(--accent);border-radius:0;box-shadow:none;cursor:default}.puzzle-piece.wrong{animation:shake .3s linear}.puzzle-status{min-height:38px;display:flex;justify-content:center;gap:15px;align-items:center;flex-wrap:wrap;font-size:11px;color:#a99eae}.puzzle-status b{color:var(--accent)}.puzzle-status span:last-child{color:#cfc5d2}.puzzle-game .btn{margin-top:6px}.success-game{text-align:center;padding:20px}.success-game h2{font-family:"Cormorant Garamond",serif;font-size:42px;line-height:1.08}.success-icon{font-size:42px;color:var(--accent);margin-bottom:12px}@keyframes shake{25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}
@media (max-width:700px){
body{font-size:14px}
.topbar{height:62px;padding:0 5vw}.brand{font-size:12px}.brand-heart{font-size:26px}.music-fab{width:44px;height:44px}
.progress{top:61px}
.slide{min-height:100svh;padding:88px 5vw 42px}
h1{font-size:clamp(34px,9.5vw,46px);line-height:.96}
h2{font-size:clamp(30px,8vw,40px);line-height:.98}
p{font-size:14px;line-height:1.7}
.btn{min-height:46px;padding:12px 18px;font-size:13px;margin:6px 4px}
.game-slide{padding-top:74px;padding-bottom:24px}
.game-full{min-height:calc(100svh - 98px)}
.game-top h1{font-size:clamp(32px,9vw,42px)}
.game-top p{font-size:13px;margin-bottom:8px}
.puzzle-board{width:min(360px,86vw);border-radius:18px}
.puzzle-piece{border-width:4px;border-radius:11px}
.puzzle-status{font-size:10px}
.split,.music-page{grid-template-columns:1fr;gap:28px}
.portrait{max-width:320px;margin:0 auto}.portrait img{border-width:5px;border-radius:22px}
.gallery{grid-template-columns:1fr 1fr;gap:12px}.gallery figure:last-child{grid-column:1/-1;max-width:55%;margin:auto}
.letter-card{padding:28px 20px;border-radius:22px}.letter-text{font-size:14px;line-height:1.8}.signature{font-size:21px;margin-top:24px}
.reason-grid{grid-template-columns:1fr 1fr;gap:10px;margin:28px 0}.reason-grid>div{padding:16px 13px}.reason-grid strong{font-size:16px;margin:15px 0 4px}.reason-grid p{font-size:11px}
.timeline-list{margin:28px 0}.timeline-list>div{grid-template-columns:42px 1fr;gap:10px;padding:15px 0 15px 16px}.timeline-list small{font-size:11px}
.music-page{gap:20px}.album{max-width:230px;margin:auto}.music-copy iframe{height:130px}.music-copy audio{height:40px}
.wish-lines{margin:24px 0}.wish-lines p{padding:13px 0;font-size:13px}.mini-photo{width:130px}
.final-photo{width:min(230px,60vw);margin-bottom:24px}.final-sign{font-size:25px;margin:20px}
}
@media (max-height:560px) and (orientation:landscape){
.topbar{height:52px}.progress{top:51px}.slide{padding:64px 4vw 24px}.game-slide{padding-top:60px}.game-full{min-height:calc(100svh - 72px)}
.game-top h1{font-size:30px;margin:4px 0}.game-top p{font-size:11px;margin-bottom:4px}.puzzle-board{width:min(250px,38vh);margin:2px auto 5px}.game-bottom-note{display:none}.puzzle-status{min-height:24px;font-size:9px}.puzzle-game .btn{min-height:38px;padding:8px 15px}
h1{font-size:32px}h2{font-size:28px}.final-photo{width:150px}
}
/* V6: opening game photo */
.game-cover{width:min(150px,32vw);aspect-ratio:1/1;margin:8px auto 8px;overflow:hidden;border-radius:18px;border:1px solid #ffffff22;box-shadow:0 18px 45px #0007;transform:rotate(-2deg);animation:coverFloat 4s ease-in-out infinite}
.game-cover img{width:100%;height:100%;object-fit:cover;display:block}
@keyframes coverFloat{50%{transform:translateY(-5px) rotate(1deg)}}
@media (max-width:700px){.game-cover{width:min(112px,27vw);border-radius:15px;margin:4px auto 5px}.game-top h1{margin:5px 0 7px}}
@media (max-height:700px) and (max-width:700px){.game-cover{width:82px}.game-top h1{font-size:30px}.game-top p{font-size:11px}}
@media (orientation:landscape) and (max-height:600px){.game-cover{width:72px}.game-top h1{font-size:27px}}
@media(max-width:760px){.puzzle-stage{width:min(350px,86vw);padding-bottom:112px}.puzzle-tray{height:100px}.puzzle-piece{border-width:3px}.puzzle-piece span{width:21px;height:21px;font-size:8px;left:5px;top:5px}.puzzle-status{font-size:10px}.success-game h2{font-size:34px}}
@media(max-height:760px) and (orientation:landscape){.puzzle-stage{width:min(310px,55vh);padding-bottom:92px}.puzzle-tray{height:84px}.puzzle-status{font-size:9px}.puzzle-stage{margin-top:0}}
/* V8 PUZZLE FIX: pieces are direct children of the stage, never clipped by the tray */
.puzzle-stage{padding-bottom:112px;overflow:visible}
.puzzle-tray{display:none}
.puzzle-stage>.puzzle-piece{position:absolute;display:block;z-index:5;box-sizing:border-box}
.puzzle-stage>.puzzle-piece.placed{z-index:4}
@media(max-width:760px){.puzzle-stage{width:min(350px,86vw);padding-bottom:106px}.puzzle-stage>.puzzle-piece{border-width:3px}.puzzle-stage>.puzzle-piece span{width:20px;height:20px;font-size:8px}}
@media(max-height:760px) and (orientation:landscape){.puzzle-stage{width:min(310px,55vh);padding-bottom:86px}}
/* V9 precision patch: puzzle pieces lock to the exact 2x2 target grid. */
.puzzle-board{position:relative;overflow:hidden;isolation:isolate}
.puzzle-slot{box-sizing:border-box;overflow:hidden}
.puzzle-piece.placed{box-sizing:border-box;pointer-events:none}
/* Keep the music control visible above every slide, including the game. */
.music-fab{position:relative;z-index:30;cursor:pointer;display:grid;place-items:center}
.music-fab.playing{border-color:var(--accent);box-shadow:0 0 0 4px #ed72a020,0 12px 34px #0006}
@media(max-width:700px){.music-fab{width:48px;height:48px;font-size:21px}}