:root {
  --rose:#dc6f8f; --rose-dark:#a94467; --sage:#527d70; --mint:#a9d5c7; --ink:#403b4e;
  --muted:#777184; --cream:#fbf6ea; --paper:#fffdf7; --line:rgba(86,72,68,.13);
  --title:'Kaisei Decol','Noto Sans SC',serif; --cute:'Yusei Magic','Noto Sans SC',sans-serif;
  --body:'Noto Sans SC',-apple-system,BlinkMacSystemFont,sans-serif;
}
*{box-sizing:border-box} html{scroll-behavior:smooth;overflow-x:hidden} body{margin:0;color:var(--ink);font-family:var(--body);background:#eee8dc;overflow-x:hidden}
button,input{font:inherit} button,a{touch-action:manipulation} button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(82,125,112,.35);outline-offset:3px}
#bg-layer{position:fixed;inset:0;z-index:-3;background:radial-gradient(circle at 15% 5%,#fff 0 9%,transparent 38%),linear-gradient(135deg,#f4eadc,#f9f3e9 45%,#e8eee8);background-size:cover;background-position:center}
#bg-layer.has-bg::after{content:"";position:absolute;inset:0;background:rgba(250,246,237,.45);backdrop-filter:blur(2px)}
.paper-noise{position:fixed;inset:0;z-index:-2;pointer-events:none;opacity:.22;background-image:repeating-linear-gradient(0deg,transparent 0 3px,rgba(89,75,66,.035) 4px),repeating-linear-gradient(90deg,transparent 0 7px,rgba(89,75,66,.02) 8px)}

/* Intro book */
.book-intro{position:fixed;inset:0;z-index:100;display:grid;grid-template-columns:1fr minmax(270px,440px) 1fr;align-items:center;gap:clamp(12px,5vw,80px);padding:24px;background:linear-gradient(145deg,rgba(249,242,230,.98),rgba(234,239,232,.98));transition:opacity .65s ease,visibility .65s}
.book-stage{position:relative;width:min(82vw,430px);height:min(78vh,610px);justify-self:center;filter:drop-shadow(0 32px 30px rgba(58,43,48,.26))}
.intro-book{width:100%;height:100%}.book-page{width:100%;height:100%;overflow:hidden;background:var(--paper);border:1px solid rgba(83,62,52,.14)}
.cover-page{position:relative;color:white;background:#6a756e}.cover-art{position:absolute;inset:0;background:url('assets/book-cover-cherry.webp') center/cover no-repeat}.cover-wash{position:absolute;inset:0;background:linear-gradient(180deg,rgba(38,52,47,.08),rgba(62,39,49,.52));mix-blend-mode:multiply}
.cover-copy{position:absolute;inset:10% 10% 17%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;border:1px solid rgba(255,255,255,.72);box-shadow:inset 0 0 0 6px rgba(255,255,255,.12);text-shadow:0 2px 15px rgba(33,25,29,.48)}
.cover-copy small{font-size:11px;letter-spacing:.18em;text-transform:uppercase}.cover-copy strong{margin:18px 0;font:700 clamp(44px,7vw,72px)/.93 var(--title)}.cover-copy em{font:normal 13px/1.6 var(--cute)}.cover-hint{position:absolute;left:0;right:0;bottom:6%;text-align:center;font-size:11px;letter-spacing:.11em;text-shadow:0 2px 6px #45333a}
.inside-page{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:34px;text-align:center;background:linear-gradient(135deg,#fffdf6,#f5eadf)}.inside-page::before{content:"";position:absolute;inset:20px;border:1px solid rgba(220,111,143,.2)}.inside-page small{letter-spacing:.18em;color:var(--rose-dark)}.inside-page strong{margin:16px 0;font:700 34px/1.1 var(--title);color:var(--sage)}.inside-page p{color:var(--muted);font-size:12px}.inside-flower{font:58px var(--title);color:var(--rose);opacity:.65}
.open-book-overlay{position:absolute;inset:0;z-index:15;border:0;background:transparent;cursor:pointer}.intro-frame{min-width:0;height:min(50vh,390px);display:flex;align-items:center;border-block:1px solid rgba(82,125,112,.25);color:var(--sage);opacity:.72;transition:transform 1s cubic-bezier(.2,.7,.2,1),opacity .6s}.intro-frame-left{justify-content:flex-end;transform:translateX(-105%)}.intro-frame-right{justify-content:flex-start;transform:translateX(105%)}.intro-frame span{padding:15px 22px;font:clamp(18px,2vw,28px) var(--cute);writing-mode:vertical-rl;letter-spacing:.16em}
.cover-ready .intro-frame{transform:translateX(0)}.book-opening .intro-frame-left{transform:translateX(45%);opacity:.18}.book-opening .intro-frame-right{transform:translateX(-45%);opacity:.18}.book-open .book-intro{opacity:0;visibility:hidden;pointer-events:none}.cover-closed{overflow:hidden}.book-open{overflow:auto}

/* Homepage */
.homepage{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}.book-open .homepage{opacity:1;transform:none}.topbar{position:sticky;top:0;z-index:30;display:flex;justify-content:space-between;align-items:center;width:min(1180px,calc(100% - 32px));margin:0 auto;padding:18px 0;background:linear-gradient(#f7f1e7e8,#f7f1e7b8 75%,transparent);backdrop-filter:blur(10px)}
.wordmark{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none}.wordmark>span{display:grid;place-items:center;width:40px;height:46px;background:var(--rose);color:white;font:700 25px var(--title);clip-path:polygon(0 0,100% 0,100% 83%,50% 100%,0 83%)}.wordmark small,.wordmark strong{display:block}.wordmark small{font:10px var(--cute);color:var(--rose-dark)}.wordmark strong{font:700 17px var(--title);color:var(--sage)}
.topnav{display:flex;align-items:center;gap:20px}.topnav a,.topnav button{border:0;background:none;color:var(--muted);text-decoration:none;font-size:12px;cursor:pointer}.topnav a:hover,.topnav button:hover{color:var(--rose-dark)}
.hero-section{min-height:calc(100vh - 80px);display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:clamp(35px,8vw,100px);width:min(1120px,calc(100% - 38px));margin:0 auto;padding:65px 0 110px}.eyebrow{margin:0 0 18px;font:18px var(--cute);color:var(--rose-dark)}.hero-copy h1{margin:0;font:700 clamp(42px,6.2vw,78px)/1.12 var(--title);color:var(--ink)}.hero-copy h1 span{color:var(--sage)}.hero-lead{max-width:610px;margin:28px 0;color:var(--muted);font-size:16px;line-height:1.9}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.primary-link,.secondary-link{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;border-radius:4px;text-decoration:none;cursor:pointer}.primary-link{color:white;background:var(--sage);box-shadow:8px 8px 0 rgba(82,125,112,.13)}.secondary-link{color:var(--rose-dark);background:rgba(255,253,247,.72);border:1px solid rgba(220,111,143,.3)}
.hero-collage{position:relative;min-height:570px}.photo-card{position:absolute;margin:0;padding:13px 13px 34px;background:#fffdfa;box-shadow:0 22px 55px rgba(68,55,51,.18);transform:rotate(3deg)}.photo-main{inset:25px 12% 20px 4%}.photo-card img{width:100%;height:100%;object-fit:cover;display:block;filter:saturate(.86) contrast(.95)}.photo-card figcaption{position:absolute;left:16px;bottom:10px;font:11px var(--cute);color:var(--muted)}.sticker{position:absolute;z-index:3;display:grid;place-items:center;box-shadow:0 12px 24px rgba(76,57,65,.12)}.sticker-pink{right:2%;top:9%;width:105px;height:105px;border-radius:50%;background:#e994aa;color:white;font:20px var(--cute);transform:rotate(9deg)}.sticker-note{left:-3%;bottom:8%;padding:16px 22px;background:#f4e29b;color:#715f43;font:15px var(--cute);transform:rotate(-7deg)}.tape{position:absolute;z-index:4;width:95px;height:24px;background:rgba(195,216,196,.62);box-shadow:inset 0 0 0 1px rgba(100,120,104,.08)}.tape-one{top:15px;left:28%;transform:rotate(-7deg)}.tape-two{right:1%;bottom:48px;transform:rotate(69deg)}
.album-section{width:min(1120px,calc(100% - 38px));margin:0 auto;padding:100px 0}.section-heading{display:flex;align-items:center;gap:18px;margin-bottom:38px}.section-heading>span{font:700 54px var(--title);color:rgba(220,111,143,.28)}.section-heading small{font:11px var(--cute);letter-spacing:.12em;color:var(--rose-dark)}.section-heading h2{margin:4px 0 0;font:700 clamp(30px,4vw,46px) var(--title);color:var(--sage)}.about-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:24px}.paper-card{background:rgba(255,253,247,.83);border:1px solid rgba(95,78,69,.11);box-shadow:0 22px 55px rgba(65,55,49,.1);padding:34px}.profile-note{transform:rotate(-1deg)}.large-handwriting{font:clamp(28px,4vw,44px)/1.45 var(--cute);color:var(--rose-dark)}.paper-card p{line-height:1.85;color:var(--muted)}.gate-card{display:grid;grid-template-columns:150px 1fr;gap:25px;align-items:center;transform:rotate(.6deg)}.gate-card img{width:100%;filter:drop-shadow(0 12px 16px rgba(52,48,60,.18))}.gate-card small{font-size:10px;letter-spacing:.12em;color:var(--rose-dark)}.gate-card h3{margin:8px 0;font:700 25px var(--title);color:var(--sage)}.gate-card button{border:0;padding:11px 17px;color:white;background:var(--rose);cursor:pointer}
.interest-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.interest-card{position:relative;min-height:230px;padding:30px;background:rgba(255,253,247,.76);border:1px solid var(--line);box-shadow:0 16px 45px rgba(70,57,52,.08)}.interest-card:nth-child(2n){transform:translateY(24px)}.interest-card::before{content:attr(data-index);position:absolute;right:20px;top:10px;font:700 56px var(--title);color:rgba(82,125,112,.1)}.interest-card h3{margin:0 0 16px;font:700 23px var(--title);color:var(--rose-dark)}.interest-card ul{margin:0;padding-left:20px;color:var(--muted);line-height:1.8}.interest-card li+li{margin-top:8px}
.links-section{display:grid;grid-template-columns:280px 1fr;align-items:center;gap:40px}.external-links{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.external-link{position:relative;display:flex;flex-direction:column;justify-content:space-between;min-height:150px;padding:20px;color:inherit;text-decoration:none;background:rgba(255,253,247,.76);border:1px solid var(--line);transition:transform .25s,box-shadow .25s}.external-link:hover{transform:translateY(-7px) rotate(-1deg);box-shadow:0 18px 38px rgba(65,52,50,.12)}.external-link b{font:700 28px var(--title);color:var(--sage)}.external-link span{font-size:12px;color:var(--muted)}
.music-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}.record-card{position:relative;padding:18px;background:rgba(255,253,247,.82);border:1px solid var(--line);box-shadow:0 16px 42px rgba(65,52,50,.09)}.record-head{display:grid;grid-template-columns:82px 1fr;gap:16px;align-items:center}.record-disc{position:relative;width:82px;height:82px;border-radius:50%;background:repeating-radial-gradient(circle,#242129 0 2px,#343039 3px 5px);box-shadow:0 10px 20px rgba(25,21,30,.23)}.record-disc::before{content:"";position:absolute;inset:27px;border-radius:50%;background:var(--rose)}.record-disc::after{content:"";position:absolute;inset:38px;border-radius:50%;background:#f7ead9}.record-copy small{color:var(--rose-dark);font:11px var(--cute)}.record-copy h3{margin:5px 0;font:700 19px var(--title);color:var(--sage)}.record-toggle{border:0;padding:7px 12px;background:#e8eee8;color:var(--sage);cursor:pointer}.record-embed{display:none;margin-top:15px;border-top:1px dashed var(--line);padding-top:13px}.record-card.expanded .record-embed{display:block}.record-embed iframe{width:100%;height:86px;border:0}.empty-music{grid-column:1/-1;padding:28px;border:1px dashed rgba(82,125,112,.3);text-align:center;color:var(--muted)}
.footer{width:min(1120px,calc(100% - 38px));margin:30px auto 0;padding:30px 0 55px;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:var(--muted);font-size:12px}.footer button{border:0;background:none;color:var(--rose-dark);cursor:pointer}

/* Reveal motion */
.reveal-section{opacity:0;transition:opacity .75s ease,transform .85s cubic-bezier(.2,.7,.2,1)}.reveal-section[data-reveal="up"]{transform:translateY(55px)}.reveal-section[data-reveal="down"]{transform:translateY(-25px)}.reveal-section[data-reveal="left"]{transform:translateX(-55px)}.reveal-section[data-reveal="right"]{transform:translateX(55px)}.reveal-section.is-visible{opacity:1;transform:none}

/* Dialogs and settings */
.site-dialog{width:min(430px,calc(100% - 28px));padding:0;border:0;background:transparent}.site-dialog::backdrop{background:rgba(52,44,53,.46);backdrop-filter:blur(7px)}.site-dialog>form{position:relative;padding:34px;background:#fffdf8;border:1px solid rgba(88,70,65,.15);box-shadow:0 25px 80px rgba(45,37,43,.28)}.site-dialog h2{margin:5px 0 12px;font:700 28px var(--title);color:var(--sage)}.site-dialog p{color:var(--muted);font-size:13px;line-height:1.7}.dialog-kicker{margin:0;color:var(--rose-dark)!important;font:10px var(--cute);letter-spacing:.15em}.dialog-close{position:absolute;right:13px;top:12px;border:0;background:none;font-size:25px;color:var(--muted);cursor:pointer}.site-dialog input[type="password"],.site-dialog input[type="text"]{width:100%;min-height:43px;padding:9px 12px;border:1px solid rgba(82,125,112,.23);background:white}.dialog-submit{width:100%;margin-top:10px;padding:12px;border:0;color:white;background:var(--sage);cursor:pointer}.settings-dialog{width:min(720px,calc(100% - 28px))}.settings-dialog>form{max-height:88vh;overflow:auto}.setting-block{padding:18px 0;border-top:1px dashed var(--line)}.setting-block h3{margin:0 0 5px;font:700 19px var(--title);color:var(--sage)}.setting-actions,.music-add-row{display:flex;gap:9px;flex-wrap:wrap;margin-top:12px}.setting-actions button,.music-add-row button{border:1px solid rgba(82,125,112,.23);padding:8px 13px;background:#edf2ed;color:var(--sage);cursor:pointer}.music-add-row input{flex:1;min-width:220px}.cover-preview{width:120px;height:155px;margin-top:12px;background:center/cover;border:6px solid white;box-shadow:0 10px 24px rgba(55,45,48,.13)}.bg-preview-list{display:flex;gap:9px;flex-wrap:wrap;margin-top:12px}.bg-thumb{position:relative;width:90px;height:62px;background:center/cover;border:3px solid white;box-shadow:0 5px 15px rgba(55,45,48,.12);cursor:pointer}.bg-thumb.active{outline:3px solid var(--rose)}.bg-thumb button{position:absolute;right:2px;top:2px;border:0;border-radius:50%;background:#a94467;color:white}.music-manage-list{display:grid;gap:7px;margin-top:10px}.music-manage-item{display:flex;justify-content:space-between;padding:8px 10px;background:#f4efe7}.music-manage-item button{border:0;background:none;color:var(--rose-dark);cursor:pointer}

@media(max-width:820px){.book-intro{grid-template-columns:1fr}.intro-frame{display:none}.book-stage{width:min(78vw,390px);height:min(70vh,550px)}.topbar{align-items:flex-start}.topnav a{display:none}.hero-section{grid-template-columns:1fr;padding-top:45px}.hero-collage{min-height:500px}.about-grid,.links-section{grid-template-columns:1fr}.interest-grid{grid-template-columns:1fr}.interest-card:nth-child(2n){transform:none}.external-links{grid-template-columns:repeat(2,1fr)}.gate-card{grid-template-columns:100px 1fr}.album-section{padding:70px 0}}
@media(max-width:520px){.book-stage{width:82vw;height:62vh}.hero-copy h1{font-size:40px}.hero-collage{min-height:420px}.photo-main{inset:15px 4%}.sticker-pink{width:75px;height:75px;font-size:15px}.about-grid{gap:14px}.paper-card{padding:23px}.gate-card{grid-template-columns:1fr}.gate-card img{width:100px}.external-links{gap:8px}.external-link{min-height:120px;padding:14px}.footer{gap:15px;align-items:flex-start}.topnav{gap:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal-section,.homepage,.book-intro,.intro-frame{transition-duration:.01ms!important}.intro-frame{transform:none!important}.book-stage{filter:none}.open-book-overlay{cursor:pointer}}

/* User images stay decorative without overpowering the album text. */
#bg-layer.has-bg::after{background:rgba(250,246,237,.72)}
.hero-section{grid-template-columns:1.12fr .88fr;gap:clamp(30px,5vw,64px)}
.hero-copy h1{font-size:clamp(40px,5vw,64px);line-height:1.14}
.bg-preview-item{position:relative;width:90px;height:62px;border:3px solid white;box-shadow:0 5px 15px rgba(55,45,48,.12);cursor:pointer}
.bg-preview-item img{width:100%;height:100%;display:block;object-fit:cover}
.bg-preview-item.active{outline:3px solid var(--rose)}
.bg-preview-item button{position:absolute;right:2px;top:2px;border:0;border-radius:50%;background:#a94467;color:white;cursor:pointer}
@media(max-width:820px){.hero-section{grid-template-columns:1fr}}
.hero-copy>.hero-actions{margin-top:28px}
.hero-copy h1{font-size:clamp(28px,3.4vw,42px)}
.hero-copy h1 .hero-line{display:block;white-space:nowrap}
.hero-copy h1 .hero-line-ink{color:var(--ink)}
@media(max-width:520px){.hero-copy h1{font-size:24px}}