:root{
  --cream:#f7efe4;--paper:#fffaf3;--ink:#271b17;--soft:#766057;--rose:#b85d62;
  --sun:#e8b553;--line:rgba(68,43,31,.15);--serif:"Yu Mincho","Hiragino Mincho ProN","Noto Serif JP",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Noto Sans JP",sans-serif
}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--cream);color:var(--ink);font-family:var(--sans);line-height:1.9;letter-spacing:.025em}
img{display:block;max-width:100%}a{color:inherit}button{font:inherit}h1,h2,h3{font-family:var(--serif);font-weight:500}.skip-link{position:fixed;left:-9999px;top:8px;z-index:100;padding:8px 12px;background:#111;color:#fff}.skip-link:focus{left:8px}
.site-header{position:fixed;z-index:30;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:16px 22px;color:#fff;background:linear-gradient(180deg,rgba(25,12,8,.58),transparent)}
.child-mark{display:flex;align-items:baseline;gap:10px;text-decoration:none;color:#fff;text-shadow:0 1px 18px rgba(32,16,9,.3)}.child-mark-kanji{font-family:var(--serif);font-size:1.3rem;letter-spacing:.12em}.child-mark-romaji{font-size:.55rem;letter-spacing:.28em;color:rgba(255,255,255,.72)}.lang-toggle{border:1px solid rgba(255,255,255,.45);border-radius:999px;padding:7px 11px;background:rgba(30,15,10,.18);color:#fff;font-size:.74rem;letter-spacing:.08em}
.eyebrow{margin:0 0 10px;color:var(--rose);font-size:.68rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase}.eyebrow.light{color:#f6ded2}.section-no{margin:0 0 12px;color:var(--sun);font-family:var(--serif);font-size:.78rem;letter-spacing:.18em}

/* hero */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;background:#2a160d;color:#fff}.hero-photo,.hero-shade{position:absolute;inset:0;width:100%;height:100%}.hero-photo{object-fit:cover;object-position:60% 50%}.hero-shade{background:linear-gradient(90deg,rgba(31,14,8,.82) 0%,rgba(31,14,8,.44) 38%,rgba(31,14,8,.06) 72%),linear-gradient(0deg,rgba(28,13,8,.46),transparent 48%)}
.hero-copy{position:relative;z-index:2;width:min(88%,760px);padding:118px 0 60px;margin-left:7vw}.hero-date{margin:0 0 14px;font-family:var(--serif);font-size:.8rem;letter-spacing:.15em;color:rgba(255,255,255,.74)}.hero-name{margin:0;font-size:clamp(5.5rem,20vw,11rem);line-height:.9;letter-spacing:.04em}.hero-reading{display:flex;align-items:center;gap:18px;margin-top:14px}.reading{font-family:var(--serif);font-size:1.05rem;letter-spacing:.28em}.romaji{font-size:.67rem;letter-spacing:.34em;color:rgba(255,255,255,.7)}.hero-whisper{max-width:31rem;margin:28px 0 0;font-family:var(--serif);font-size:clamp(1rem,2.2vw,1.4rem);line-height:2;color:rgba(255,255,255,.9)}.next{display:inline-flex;gap:12px;align-items:center;margin-top:26px;text-decoration:none;font-family:var(--serif);font-size:.9rem}.next::after{content:"→";color:var(--sun)}.hero-season{position:absolute;right:24px;bottom:24px;z-index:2;display:flex;gap:10px;font-size:.66rem;letter-spacing:.18em;color:rgba(255,255,255,.7)}.hero-season span+span::before{content:"/";margin-right:10px}

/* memory */
.chapter{position:relative}.memory{padding:0;background:var(--paper)}.memory-grid{display:grid}.memory-photo{margin:0;min-height:55vh}.memory-photo img{width:100%;height:100%;object-fit:cover}.memory-copy{padding:64px 24px 72px}.memory-copy h2,.name-light h2,.summer-diary h2,.keepsakes h2,.letter-garden h2{margin:0 0 28px;font-size:clamp(2rem,7vw,3.4rem);line-height:1.35}.parents{margin:0;padding:0;border:0}.parents p{margin:0 0 1.25em;font-family:var(--serif);font-size:1.02rem;line-height:2.05}.sign{margin-top:28px;text-align:right;color:var(--soft);font-family:var(--serif)}

/* name panels */
.name-light{padding:78px 0 0;background:#f3e2cf}.name-light-head{padding:0 24px 34px}.name-panels{display:grid}.name-panel{position:relative;display:grid;grid-template-columns:42% 58%;min-height:300px;overflow:hidden}.sun-panel{background:linear-gradient(135deg,#efbc63,#d8875f)}.flower-panel{background:linear-gradient(135deg,#f4d9d0,#c98286)}.name-glyph{align-self:end;padding:26px 0 18px 18px;font-family:var(--serif);font-size:clamp(7rem,28vw,13rem);line-height:.8;color:rgba(255,255,255,.86);text-shadow:0 8px 28px rgba(77,35,20,.12)}.name-panel-copy{align-self:center;padding:30px 28px 30px 10px}.kanji-kana-label{margin:0;color:rgba(45,25,17,.62);font-size:.64rem;letter-spacing:.16em}.kanji-read{margin:2px 0 14px;font-family:var(--serif);font-size:1.05rem;letter-spacing:.15em}.name-panel h3{margin:0 0 8px;font-size:1.45rem}.name-panel p:last-child{margin:0;color:#4d332c}

/* diary */
.summer-diary{padding:82px 24px 0;background:var(--cream)}.diary-head{max-width:1120px;margin:auto}.facts{display:grid;grid-template-columns:repeat(2,1fr);margin:34px 0 0;border-top:1px solid var(--line);border-left:1px solid var(--line)}.facts>div{padding:14px 16px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.facts dt{font-size:.64rem;letter-spacing:.12em;color:var(--rose)}.facts dd{margin:4px 0 0;font-family:var(--serif)}.diary-strip{list-style:none;margin:48px -24px 0;padding:0;display:grid;border-top:1px solid var(--line)}.diary-strip li{min-height:190px;padding:24px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.34)}.diary-strip span{font-size:.6rem;letter-spacing:.2em;color:var(--sun)}.diary-strip h3{margin:12px 0 8px;font-size:1.18rem}.diary-strip p{margin:0;color:var(--soft);font-size:.9rem}

/* physical keepsakes */
.keepsakes{padding:86px 24px 96px;background:#e9d4bd}.keepsakes-copy{max-width:720px;margin:0 auto 38px}.keepsakes-copy h2{margin-bottom:18px}.keepsakes-copy>p:last-child{margin:0;color:#695248;font-family:var(--serif)}.paper-set{display:grid;gap:28px;max-width:940px;margin:auto}.paper-item{margin:0}.paper-sheet{position:relative;margin:auto;background:#fffaf1;color:#2c211c;box-shadow:0 24px 65px rgba(68,42,30,.16);overflow:hidden}.paper-ring{position:absolute;width:19%;height:auto;object-fit:contain;filter:sepia(.45) saturate(.65)}.certificate-preview{aspect-ratio:210/297;max-width:420px;padding:15% 13%}.certificate-preview .paper-ring{top:7%;left:8%}.paper-reading{position:absolute;right:26%;top:27%;font-family:var(--serif);font-size:clamp(.65rem,2vw,.9rem);letter-spacing:.18em;writing-mode:vertical-rl}.paper-name{position:absolute;right:37%;top:24%;font-family:var(--serif);font-size:clamp(3.1rem,12vw,6rem);font-weight:500;line-height:1;letter-spacing:.08em;writing-mode:vertical-rl}.paper-meta{position:absolute;left:11%;bottom:10%;font-family:var(--serif);font-size:clamp(.55rem,1.8vw,.75rem);letter-spacing:.08em}.paper-qr{position:absolute;right:10%;bottom:9%;display:grid;place-items:center;width:17%;aspect-ratio:1;border:1px solid rgba(44,33,28,.35);overflow:hidden;font-family:var(--sans);font-size:.4rem;line-height:1.25;letter-spacing:0;text-align:center;word-break:break-all;padding:4%;color:#2c211c}.story-card-preview{aspect-ratio:55/91;max-width:230px;padding:18% 12%;text-align:center}.story-card-preview .paper-ring{position:static;width:42%;margin:0 auto 12%}.card-name{display:block;font-family:var(--serif);font-size:2rem;font-weight:500;letter-spacing:.1em}.card-romaji{display:block;margin-top:4px;font-size:.58rem;letter-spacing:.28em;color:#796159}.story-card-preview .paper-qr{right:50%;bottom:10%;width:34%;transform:translateX(50%)}.paper-item figcaption{max-width:420px;margin:18px auto 0}.paper-item figcaption strong,.paper-item figcaption span{display:block}.paper-item figcaption strong{font-family:var(--serif);font-size:1.08rem}.paper-item figcaption span{margin-top:5px;color:#695248;font-size:.8rem;line-height:1.7}

/* letter garden */
.letter-garden{padding:86px 24px 96px;background:linear-gradient(180deg,#fff9f1,#ead3c2)}.letter-intro{max-width:720px;margin:0 auto 34px}.envelope{position:relative;max-width:760px;min-height:390px;margin:auto;background:linear-gradient(145deg,#f3eadc,#e7d7c4);box-shadow:0 30px 80px rgba(65,36,24,.14);overflow:hidden}.flap{position:absolute;inset:0 0 auto;height:55%;background:linear-gradient(160deg,#fff9ef,#dfcdb9);clip-path:polygon(0 0,100% 0,50% 100%)}.letter{position:relative;z-index:2;margin:22px;padding:38px 28px;background:var(--paper);box-shadow:0 18px 50px rgba(62,34,22,.12);transition:.45s ease}.letter-to{font-family:var(--serif);font-size:1.35rem}.letter p{line-height:2}.letter-sign,.letter-date{text-align:right}.letter-date{color:var(--soft);font-size:.82rem}.seal{position:absolute;inset:0;z-index:5;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;border:0;background:transparent;color:var(--ink);cursor:pointer}.seal-mark{display:grid;place-items:center;width:82px;height:82px;border-radius:50%;background:var(--rose);color:#fff6ec;font-family:var(--serif);font-size:1.45rem;box-shadow:0 10px 24px rgba(94,37,42,.24)}.seal-open-label{display:flex;flex-direction:column;align-items:center}.seal-kicker{font-family:var(--serif)}.seal-hint{font-size:.72rem;color:var(--soft)}.seal-close-label{display:none}.js .envelope:not(.is-open) .letter{opacity:0;visibility:hidden;transform:translateY(36px)}.envelope.is-open{overflow:visible;background:transparent;box-shadow:none}.envelope.is-open .flap{display:none}.envelope.is-open .letter{opacity:1;visibility:visible;transform:none}.envelope.is-open .seal{position:static;margin:14px auto 0;padding:8px 14px;border:1px solid var(--line);width:max-content}.envelope.is-open .seal-mark,.envelope.is-open .seal-open-label{display:none}.envelope.is-open .seal-close-label{display:block;font-size:.78rem}

/* closing */
.closing{padding:64px 24px 76px;text-align:center;background:#f0e3d7}.closing-from{margin:0 0 18px;font-family:var(--serif)}.closing-child{display:flex;flex-direction:column;align-items:center;gap:4px}.closing-child span{font-family:var(--serif);font-size:2rem;letter-spacing:.16em}.closing-child small{font-size:.58rem;letter-spacing:.3em;color:var(--soft)}.closing-note{margin:16px 0 0;font-size:.72rem;color:var(--soft)}

/* reveal */
.motion .reveal{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}.motion .reveal.is-in{opacity:1;transform:none}

@media(min-width:820px){
  .site-header{padding:22px 5vw}.child-mark-kanji{font-size:1.5rem}
  .hero-copy{margin-left:8vw;padding-bottom:9vh}.hero-season{right:5vw;bottom:5vh}
  .memory-grid{grid-template-columns:52% 48%;min-height:760px}.memory-photo{min-height:760px}.memory-copy{align-self:center;padding:80px clamp(50px,7vw,110px)}
  .name-light{padding-top:110px}.name-light-head{max-width:1120px;margin:auto;padding:0 40px 50px}.name-panels{grid-template-columns:1fr 1fr}.name-panel{min-height:430px}.name-glyph{padding-left:38px}.name-panel-copy{padding-right:48px}
  .summer-diary{padding:110px 0 0}.diary-head{display:grid;grid-template-columns:1fr 1.25fr;gap:70px;padding:0 40px}.facts{margin:0}.diary-strip{grid-template-columns:repeat(4,1fr);margin:60px 0 0}.diary-strip li{min-height:250px;padding:30px;border-right:1px solid var(--line)}
  .keepsakes{padding:120px 40px}.keepsakes-copy{text-align:center}.paper-set{grid-template-columns:1.35fr .65fr;align-items:end}.paper-item figcaption{text-align:left}
  .letter-garden{padding:120px 40px}.letter-intro{text-align:center}.letter{padding:54px 60px}
}

.paper-qr svg{display:block;width:100%;height:100%}