/* =========================================================
   sana 28th Birthday — styles (元サイトSHYのトンマナ準拠)
   ========================================================= */
:root{
  --pink:#F8ACD0;
  --pink-deep:#e767a4;
  --bluegray:#c7d2d6;
  --cream:#eeefca;
  --mauve:#d9ccd0;
  --ink:#404040;
  --ink-soft:#7b7470;
  --jp:'Zen Maru Gothic', sans-serif;
  --en:'Lexend Deca', sans-serif;
  --disp:'Archivo Black', sans-serif;
  --hand:'Caveat', cursive;
  --shadow:0 14px 34px rgba(80,70,75,.16);
  --paper:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--jp);color:var(--ink);background:var(--bluegray);line-height:2.1;letter-spacing:.08em;font-weight:500;overflow-x:hidden;-webkit-font-smoothing:antialiased}
body.lock{overflow:hidden;height:100vh}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
section{position:relative}
.wrap{max-width:1120px;margin:0 auto;padding:0 26px}

/* ---------- Intro loader（ロゴが開くアニメ） ---------- */
#intro{position:fixed;inset:0;z-index:9999;background:var(--pink-deep);display:flex;align-items:center;justify-content:center;overflow:hidden;transition:opacity .8s ease,visibility .8s ease}
#intro .il{width:min(60vw,360px);opacity:0;transform:scale(.82);filter:drop-shadow(0 4px 18px rgba(0,0,0,.2));animation:introLogo 1.6s cubic-bezier(.2,.9,.3,1) forwards}
#intro .il-sub{position:absolute;bottom:34%;left:0;right:0;text-align:center;color:#fff;font-family:var(--en);text-transform:uppercase;letter-spacing:.4em;font-size:12px;opacity:0;animation:introSub .9s ease .7s forwards}
/* カーテンが上下に開く */
#intro::before,#intro::after{content:"";position:absolute;left:0;width:100%;height:50%;background:var(--pink);z-index:-1;transition:transform .8s cubic-bezier(.7,0,.3,1)}
#intro::before{top:0}#intro::after{bottom:0}
#intro.open::before{transform:translateY(-100%)}
#intro.open::after{transform:translateY(100%)}
#intro.done{opacity:0;visibility:hidden}
@keyframes introLogo{0%{opacity:0;transform:scale(.82)}55%{opacity:1;transform:scale(1.04)}100%{opacity:1;transform:scale(1)}}
@keyframes introSub{to{opacity:.95}}

/* floating stickers */
@keyframes floaty{0%,100%{transform:translateY(0) rotate(var(--rot,0deg))}50%{transform:translateY(-14px) rotate(var(--rot,0deg))}}
.sticker{position:absolute;z-index:6;pointer-events:none;filter:drop-shadow(0 8px 14px rgba(80,70,75,.22));animation:floaty 4.5s ease-in-out infinite}
.star{position:absolute;z-index:5;color:#fff;font-size:24px;opacity:.85;pointer-events:none;animation:floaty 5s ease-in-out infinite}
.label{position:absolute;z-index:5;font-family:var(--hand);font-size:30px;color:var(--pink-deep);transform:rotate(-6deg);pointer-events:none}

/* ---------- Header : 中央ピル型ナビ ---------- */
header{position:fixed;top:22px;left:50%;transform:translateX(-50%);z-index:200;width:auto;transition:top .35s ease}
header.scrolled{top:12px}
.navpill{display:flex;align-items:center;gap:34px;background:rgba(255,255,255,.92);backdrop-filter:blur(6px);border-radius:999px;padding:16px 40px;box-shadow:0 8px 26px rgba(80,70,75,.16)}
.navpill a{font-family:var(--en);font-size:15px;letter-spacing:.14em;text-transform:uppercase;color:var(--pink-deep);position:relative}
.navpill a::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:1px;background:var(--pink-deep);transition:width .3s}
.navpill a:hover::after{width:100%}
.hamb{display:none}

/* ---------- Hero / MV ---------- */
.mv{position:relative;height:100vh;min-height:600px;overflow:hidden;background:#b9b0ac}
.mv .slide{position:absolute;inset:0;opacity:0;transform:scale(1.06);transition:opacity 1.8s ease, transform 7s ease;background-size:cover;background-position:center 22%}
.mv .slide.active{opacity:1;transform:scale(1)}
.mv::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(40,30,40,.20),rgba(40,30,40,.04) 40%,rgba(40,30,40,.4));pointer-events:none}
.mv-copy{position:absolute;inset:0;z-index:5;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#fff;padding:0 24px}
.mv-copy .logo-lg{width:min(56vw,340px);margin-bottom:28px;filter:drop-shadow(0 4px 22px rgba(0,0,0,.32))}
.mv-copy .tag{font-family:var(--en);text-transform:uppercase;letter-spacing:.34em;font-size:clamp(12px,1.5vw,16px);font-weight:300;text-shadow:0 2px 14px rgba(0,0,0,.4)}
.mv-copy .jp{font-size:clamp(15px,2.2vw,20px);letter-spacing:.3em;margin-top:22px;text-shadow:0 2px 16px rgba(0,0,0,.45)}
.mv-copy .date{font-family:var(--en);letter-spacing:.42em;font-size:clamp(12px,1.5vw,15px);margin-top:16px;opacity:.95;text-shadow:0 2px 14px rgba(0,0,0,.45)}
.mv-copy .date::before,.mv-copy .date::after{content:"";display:inline-block;width:30px;height:1px;background:rgba(255,255,255,.85);vertical-align:middle;margin:0 14px}
.scroll-down{position:absolute;right:4%;bottom:5%;z-index:6;color:#fff;font-family:var(--en);text-transform:uppercase;font-size:11px;letter-spacing:.3em;writing-mode:vertical-rl}
.scroll-down::after{content:"";display:block;width:1px;height:54px;background:#fff;margin:14px auto 0;animation:scl 2s infinite}
@keyframes scl{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}50.1%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- 大見出し帯（写真＋大きな白文字、PLAN風） ---------- */
.banner{position:relative;height:clamp(300px,42vw,460px);overflow:hidden}
.banner .ph{position:absolute;inset:0;background-size:cover}
.banner::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(40,30,40,.05),rgba(40,30,40,.18));pointer-events:none}
.banner .big{position:absolute;left:0;right:0;bottom:-.16em;z-index:3;text-align:center;font-family:var(--disp);text-transform:uppercase;color:#fff;font-size:clamp(60px,15vw,180px);line-height:.8;letter-spacing:.01em;text-shadow:0 3px 18px rgba(0,0,0,.16)}
.banner .jp-label{position:absolute;left:50%;top:26px;transform:translateX(-50%);z-index:3;color:#fff;font-size:12px;letter-spacing:.34em;text-shadow:0 1px 10px rgba(0,0,0,.4)}
.banner .cut{position:absolute;bottom:-14px;z-index:4;width:120px;filter:drop-shadow(0 8px 14px rgba(80,70,75,.25))}

/* ---------- セクション共通 ---------- */
.sec{position:relative;padding:84px 0 104px;overflow:hidden}
.sec.about{background:var(--bluegray)}
.sec.profile{background:var(--cream)}
.sec.gallery{background:var(--mauve)}
.sec::before{content:"";position:absolute;inset:0;background-image:var(--paper);pointer-events:none;mix-blend-mode:multiply;opacity:.5}
.lead{text-align:center;font-size:16px;line-height:2.7;color:var(--ink);letter-spacing:.1em;position:relative;z-index:2}

/* ---------- About ---------- */
.about-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;max-width:1000px;margin:30px auto 0;padding:0 26px;position:relative;z-index:2}
.about-imgs{position:relative;min-height:400px}
.about-imgs .p1{position:relative;width:80%;transform:rotate(-3deg);background:#fff;padding:10px 10px 14px;box-shadow:var(--shadow);z-index:2}
.about-imgs .p2{position:absolute;right:0;bottom:-30px;width:50%;transform:rotate(4deg);background:#fff;padding:8px 8px 12px;box-shadow:var(--shadow);z-index:3}
.about-imgs img{width:100%;display:block}
.about-text .min{font-family:var(--en);text-transform:uppercase;letter-spacing:.28em;color:var(--pink-deep);font-size:13px;margin-bottom:16px}
.about-text p{font-size:16px;line-height:2.8}

/* ---------- Profile cards ---------- */
.cards{max-width:1000px;margin:30px auto 0;display:grid;gap:40px;position:relative;z-index:2}
.card{display:grid;grid-template-columns:1fr 1fr;background:#fff;border-radius:10px;overflow:hidden;box-shadow:var(--shadow)}
.card.rev .card-ph{order:2}
.card-ph{min-height:380px;background-size:cover}
.card-body{padding:48px 44px;display:flex;flex-direction:column;justify-content:center}
.card-body .en-ttl{font-family:var(--en);text-transform:uppercase;letter-spacing:.16em;font-size:clamp(22px,2.6vw,30px);color:var(--pink-deep);font-weight:500}
.card-body .jp-ttl{font-size:12px;letter-spacing:.24em;color:var(--ink-soft);margin:6px 0 22px}
.card-body ul{list-style:none;display:grid;gap:12px}
.card-body li{font-size:15px;position:relative;padding-left:24px;padding-bottom:11px;border-bottom:1px dashed rgba(231,103,164,.4)}
.card-body li::before{content:"♡";position:absolute;left:2px;top:0;color:var(--pink-deep);font-size:13px}
.card-body li b{font-weight:700}

/* ---------- Gallery（大見出しを囲むグリッド・コラージュ） ---------- */
.gallery{padding-bottom:120px}
.collage{position:relative;max-width:1120px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:clamp(220px,24vw,296px);gap:18px}
.collage .gtitle{grid-column:2/4;grid-row:2/4;display:flex;align-items:center;justify-content:center;text-align:center;font-family:var(--disp);text-transform:uppercase;color:#fff;font-size:clamp(52px,8vw,116px);line-height:.84;letter-spacing:.01em;text-shadow:0 3px 18px rgba(120,95,110,.28);z-index:3}
.gp{position:relative;overflow:hidden;background:#fff;padding:7px 7px 11px;box-shadow:var(--shadow)}
.gp img{width:100%;height:100%;object-fit:cover;object-position:center 26%;display:block}
.gp:nth-of-type(3n+1){transform:rotate(-2deg)}
.gp:nth-of-type(3n+2){transform:rotate(1.6deg)}
.gp:nth-of-type(3n){transform:rotate(-1deg)}
.gp:hover{transform:rotate(0) scale(1.04);z-index:5;box-shadow:0 20px 46px rgba(80,70,75,.3);transition:transform .4s,box-shadow .4s}
.glead{text-align:center;font-size:15px;line-height:2.5;color:var(--ink);margin:46px auto 0;position:relative;z-index:2}
.gig{display:flex;justify-content:center;margin-top:18px;position:relative;z-index:2}
.gig a{display:inline-flex;align-items:center;gap:10px;background:#fff;color:var(--pink-deep);border-radius:999px;padding:14px 34px;font-family:var(--en);text-transform:uppercase;letter-spacing:.12em;font-size:13px;box-shadow:var(--shadow)}
.gallery .label{color:var(--pink-deep);font-size:26px}

/* ---------- Message ---------- */
.contact{background:var(--pink);text-align:center;color:#fff;padding:0 0 116px;position:relative;overflow:hidden}
.contact .banner .big{color:#fff}
.contact .inner{padding:70px 24px 0;position:relative;z-index:2}
.contact p{font-size:16px;line-height:2.6;margin:0 0 40px;letter-spacing:.1em}
.contact-btns{display:flex;gap:18px;justify-content:center;flex-wrap:wrap}
.contact-btns a{background:#fff;color:var(--pink-deep);font-size:13px;letter-spacing:.16em;text-transform:uppercase;font-family:var(--en);border-radius:999px;padding:18px 50px;transition:.3s;box-shadow:0 12px 28px rgba(0,0,0,.14)}
.contact-btns a:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(0,0,0,.2)}

/* ---------- Footer ---------- */
footer{background:var(--pink-deep);color:#fff;text-align:center;padding:50px 0 46px}
footer .flogo img{height:32px;margin:0 auto 16px;filter:drop-shadow(0 1px 6px rgba(0,0,0,.18))}
footer .produce{font-family:var(--en);text-transform:uppercase;letter-spacing:.24em;font-size:12px;margin-bottom:16px;opacity:.95}
footer .copy{font-family:var(--en);font-size:11px;letter-spacing:.2em;opacity:.85}

/* ---------- 下層：メッセージページ ---------- */
.subhero{position:relative;height:clamp(340px,48vw,540px);overflow:hidden;background:#b9b0ac}
.subhero .ph{position:absolute;inset:0;background-size:cover;background-position:center 34%}
.subhero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(40,30,40,.28),rgba(40,30,40,.42));pointer-events:none}
.subhero .cap{position:absolute;inset:0;z-index:3;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#fff}
.subhero .cap .en{font-family:var(--en);text-transform:uppercase;letter-spacing:.4em;font-size:clamp(11px,1.4vw,14px);margin-bottom:14px;opacity:.95}
.subhero .cap .big{font-family:var(--disp);text-transform:uppercase;font-size:clamp(48px,10vw,120px);line-height:.9;text-shadow:0 3px 18px rgba(0,0,0,.25)}
.letterwrap{background:var(--mauve);padding:90px 0 110px;position:relative;overflow:hidden}
.letterwrap::before{content:"";position:absolute;inset:0;background-image:var(--paper);mix-blend-mode:multiply;opacity:.5;pointer-events:none}
.letter{max-width:720px;margin:0 auto;background:#fff;border-radius:12px;box-shadow:var(--shadow);padding:clamp(40px,6vw,66px) clamp(26px,5vw,58px);position:relative;z-index:2}
.letter .to{font-family:var(--hand);color:var(--pink-deep);font-size:clamp(34px,6vw,48px);line-height:1;margin-bottom:30px}
.letter p{font-size:16px;line-height:2.9;margin-bottom:1.7em;letter-spacing:.06em}
.letter p:last-of-type{margin-bottom:0}
.letter .sign{text-align:right;margin-top:36px;font-size:15px;letter-spacing:.1em;color:var(--ink-soft)}
.letter .sign b{display:block;font-size:18px;color:var(--ink);letter-spacing:.14em;margin-top:4px}
.letter-photos{display:grid;grid-template-columns:1fr 1fr;gap:26px;max-width:760px;margin:46px auto 0;position:relative;z-index:2}
.letter-photos .fr{background:#fff;padding:10px 10px 14px;box-shadow:var(--shadow)}
.letter-photos .fr:nth-child(1){transform:rotate(-2.5deg)}
.letter-photos .fr:nth-child(2){transform:rotate(2.5deg)}
.letter-photos .fr img{width:100%;aspect-ratio:4/3;object-fit:cover}
.backhome{display:flex;justify-content:center;margin-top:54px;position:relative;z-index:2}
.backhome a{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--pink-deep);color:var(--pink-deep);border-radius:999px;padding:13px 36px;font-family:var(--en);text-transform:uppercase;letter-spacing:.12em;font-size:13px;background:rgba(255,255,255,.6);transition:.3s}
.backhome a:hover{background:var(--pink-deep);color:#fff}
.footlink{margin-bottom:18px}
.footlink a{font-family:var(--en);text-transform:uppercase;letter-spacing:.16em;font-size:12px;color:#fff;border-bottom:1px solid rgba(255,255,255,.6);padding-bottom:3px}
@media(max-width:920px){
  .letter-photos{grid-template-columns:1fr;gap:20px}
}

/* ---------- back to top ---------- */
.totop{position:fixed;right:20px;bottom:20px;z-index:90;width:52px;height:52px;border-radius:50%;background:#fff;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .4s,transform .3s}
.totop::after{content:"";width:11px;height:11px;border-top:2px solid var(--pink-deep);border-right:2px solid var(--pink-deep);transform:rotate(-45deg);margin-top:4px}
.totop.show{opacity:1;pointer-events:auto}
.totop:hover{transform:translateY(-3px)}

/* ---------- scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(46px);transition:opacity 1s cubic-bezier(.16,.84,.44,1),transform 1s cubic-bezier(.16,.84,.44,1);will-change:opacity,transform}
.reveal.in{opacity:1;transform:none}
.reveal.from-left{transform:translateX(-60px)}.reveal.from-right{transform:translateX(60px)}
.reveal.from-left.in,.reveal.from-right.in{transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1!important;transform:none!important;transition:none!important}.sticker,.star{animation:none}}

/* ---------- Responsive ---------- */
@media(max-width:920px){
  header{top:0;left:0;transform:none;width:100%}
  header.scrolled{top:0}
  .navpill{border-radius:0;justify-content:flex-end;gap:0;padding:14px 20px;background:rgba(231,103,164,.95)}
  .navpill a{display:none}
  .navpill.open{flex-direction:column;justify-content:center;align-items:center;height:100vh;gap:28px}
  .navpill.open a{display:block;color:#fff;font-size:20px}
  .hamb{display:block;position:fixed;top:14px;right:18px;z-index:230;background:none;border:0;cursor:pointer}
  .hamb span{display:block;width:28px;height:2px;background:#fff;margin:6px 0;transition:.35s}
  .hamb.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  .hamb.open span:nth-child(2){opacity:0}
  .hamb.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
  .about-inner{grid-template-columns:1fr;gap:70px}
  .about-imgs{min-height:300px}
  .card,.card.rev .card-ph{grid-template-columns:1fr;display:block}
  .card-ph{min-height:300px}
  .card-body{padding:36px 26px}
  /* gallery → シンプルな2列グリッドに切替 */
  .collage{display:grid;grid-template-columns:repeat(2,1fr);grid-auto-rows:auto;gap:14px 12px;padding:0 18px;align-items:start}
  .collage .gtitle{grid-column:1/-1;grid-row:auto;order:-1;color:rgba(231,103,164,.92);text-shadow:none;font-size:clamp(56px,18vw,84px);margin:4px 0 6px;text-align:center}
  .gp{order:0;transform:none}
  .gp:hover{transform:none}
  .gp img{width:100%;aspect-ratio:3/4;height:auto;object-position:center 26%}
  .gallery .label,.gallery .star{display:none}
  .sticker{transform:scale(.66)}
}