@import url('https://fonts.googleapis.com/css2?family=Kaisei+Opti:wght@400;700&family=Noto+Sans+JP:wght@400;600;700;900&family=Yuji+Syuku&display=swap');:root{--navy:#061426;--blue:#0b4f9c;--cyan:#3cc7ff;--paper:#f7f8f5;--ink:#071426;--line:#d8e1e8;--brush:'Yuji Syuku','Kaisei Opti',serif;--sans:'Noto Sans JP',sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans)}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.topbar{position:fixed;z-index:50;top:0;left:0;width:100%;height:74px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,5vw,74px);background:rgba(4,15,29,.76);color:#fff;backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.12)}.mini-logo{display:flex;align-items:center;gap:12px;font-size:9px;font-weight:900;letter-spacing:.22em}.mini-logo img{width:58px;height:48px;object-fit:contain}.topbar nav{display:flex;gap:34px;font-size:11px;font-weight:700;letter-spacing:.08em}.topbar nav a:hover{color:var(--cyan)}.menu{display:none;background:none;border:0;color:#fff}.hero{position:relative;min-height:100svh;display:grid;place-items:center;overflow:hidden;background:#020b17;color:#fff}.hero-bg{position:absolute;inset:0;background:url('/static/frames/frame-13.webp') center 58%/cover;animation:breath 14s ease-in-out infinite alternate}.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 55%,rgba(5,54,107,.05),rgba(1,7,16,.82) 76%),linear-gradient(0deg,#020b17 0,transparent 34%)}.hero-glow{position:absolute;z-index:1;width:55vw;height:55vw;border-radius:50%;background:radial-gradient(circle,rgba(30,139,255,.27),transparent 67%);filter:blur(20px);animation:float 7s ease-in-out infinite}.hero-inner{position:relative;z-index:2;text-align:center;padding:100px 20px 50px}.eyebrow{font-size:9px;font-weight:900;letter-spacing:.28em;color:#8fdcff}.eyebrow.ink{color:#0b64ad}.main-logo{display:block;width:min(740px,84vw);height:min(52vh,520px);margin:-20px auto -35px;object-fit:contain;filter:drop-shadow(0 25px 50px rgba(0,0,0,.45))}.hero-line{font:clamp(22px,3vw,42px) var(--brush);letter-spacing:.12em}.scroll-pill{display:inline-flex;align-items:center;gap:18px;margin-top:25px;padding:12px 19px;border:1px solid rgba(255,255,255,.45);border-radius:99px;font-size:9px;letter-spacing:.2em}.section{padding:clamp(85px,11vw,160px) clamp(22px,8vw,130px)}.section-head{max-width:940px;margin-bottom:55px}.section-head h2{margin:12px 0;font:clamp(52px,8vw,116px)/1 var(--brush);letter-spacing:-.07em}.section-head h2 em{font-style:normal;color:#0874c9}.section-head>p:last-child{line-height:1.9;color:#5c6873}.light-section{background:#f5f7f4}.floor-tabs,.directory-switch{display:flex;gap:8px;overflow:auto;margin-bottom:20px}.floor-tabs button,.directory-switch button{white-space:nowrap;border:1px solid #cbd6de;background:transparent;padding:12px 20px;font-size:11px;font-weight:800}.floor-tabs button.active,.directory-switch button.active{background:var(--ink);color:#fff;border-color:var(--ink)}.map-frame{position:relative;min-height:480px;border:1px solid #cbd6de;background:#fff;display:grid;place-items:center;text-align:center;overflow:hidden}.map-grid{position:absolute;inset:0;opacity:.25;background-image:linear-gradient(#b8cad6 1px,transparent 1px),linear-gradient(90deg,#b8cad6 1px,transparent 1px);background-size:32px 32px}.map-level{position:absolute;left:4%;top:-.18em;font:clamp(150px,26vw,360px)/1 var(--brush);color:#edf2f4}.map-frame>div:last-child{position:relative}.map-frame b{font:64px var(--brush)}.map-frame p{letter-spacing:.35em;font-weight:900}.map-frame small{color:#7b8993}.schedule-section{background:var(--navy);color:#fff}.schedule-controls{display:flex;gap:14px;margin-bottom:32px}.schedule-controls label{font-size:10px;color:#94a9ba}.schedule-controls select{display:block;margin-top:8px;min-width:180px;padding:12px;background:#0d2439;color:#fff;border:1px solid #29435a}.timeline{border-top:1px solid #29435a}.event{display:grid;grid-template-columns:150px 1fr 180px;gap:26px;padding:25px 10px;border-bottom:1px solid #29435a;align-items:center}.event time{font-size:20px;font-weight:900;color:#74d5ff}.event h3{margin:0 0 7px}.event p{margin:0;color:#a9bac7}.event .place{text-align:right;font-size:11px}.directory-section{background:#fff}.entity-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.entity-card{min-height:160px;padding:25px;background:var(--card,#071426);color:#fff;display:flex;flex-direction:column;justify-content:space-between;transition:.3s}.entity-card:hover{transform:translateY(-5px);box-shadow:0 15px 35px #0b2f521d}.entity-card small{font-size:8px;letter-spacing:.2em;color:#79cff9}.entity-card h3{font:26px var(--brush);margin:16px 0}.entity-card span{font-size:10px}.footer{background:#020a12;color:#fff;text-align:center;padding:65px 20px}.footer img{width:180px}.footer p{font-size:11px}.footer small{color:#6b7b87}.profile-page{min-height:100vh;background:var(--profile);color:#fff;padding-top:74px}.profile-hero{padding:100px max(7vw,25px) 55px;min-height:55vh;display:flex;flex-direction:column;justify-content:end;background:radial-gradient(circle at 75% 20%,#ffffff18,transparent 38%)}.profile-hero h1{max-width:1000px;font:clamp(55px,9vw,130px)/1 var(--brush);margin:13px 0}.profile-name{font-weight:900}.tag-row{display:flex;gap:8px;flex-wrap:wrap}.tag-row span{font-size:10px;padding:8px 12px;border:1px solid #ffffff70;border-radius:99px}.profile-gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;padding:0 max(7vw,25px)}.profile-gallery img{width:100%;height:55vh;object-fit:cover}.profile-body{white-space:pre-wrap;max-width:900px;padding:70px max(7vw,25px);font-size:16px;line-height:2.2}.profile-actions{padding:0 max(7vw,25px) 70px}.quiet-edit{display:inline-block;border:1px solid currentColor;background:transparent;padding:10px 15px;font-size:10px;color:inherit}.auth-page{min-height:100vh;background:var(--navy);display:grid;place-items:center;color:#fff;padding:30px}.back{position:absolute;top:25px;left:30px;font-size:11px}.panel,.editor-form{width:min(640px,94vw);background:#fff;color:var(--ink);padding:clamp(25px,5vw,55px);box-shadow:0 25px 80px #0004}.panel img{display:block;width:200px;height:130px;object-fit:contain;margin:auto}.panel h1{font:38px var(--brush);text-align:center}.panel label,.editor-form>label,.two label{display:block;font-size:11px;font-weight:800;margin:18px 0}.panel input,.editor-form input,.editor-form textarea,.editor-form select{display:block;width:100%;margin-top:8px;border:1px solid #bfccd5;padding:13px;background:#f8fafb}.primary{border:0;background:#086db7;color:#fff;padding:15px 25px;font-weight:900;letter-spacing:.08em}.form-error{color:#d12435;font-size:12px}.editor-page{min-height:100vh;padding:130px max(5vw,20px);background:#edf2f4}.editor-head{max-width:850px;margin:0 auto 35px}.editor-head h1{font:clamp(45px,7vw,85px) var(--brush);margin:8px 0}.editor-form{margin:auto;width:min(850px,100%)}.editor-form fieldset{border:1px solid #ccd7de;margin:24px 0;padding:20px}.editor-form legend{font-size:11px;font-weight:900}.two{display:grid;grid-template-columns:1fr 1fr;gap:18px}.check{margin-right:20px;font-size:13px}.check input{display:inline;width:auto}.color-picks{display:flex;gap:12px;flex-wrap:wrap}.color-picks input{position:absolute;opacity:0}.color-picks i{display:block;width:40px;height:40px;background:var(--c);border-radius:50%;border:4px solid #fff;box-shadow:0 0 0 1px #aaa}.color-picks input:checked+i{box-shadow:0 0 0 3px #1294e8}.upload-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.upload-slot{border:1px dashed #aabcc8;padding:15px}.upload-slot img{width:100%;height:180px;object-fit:cover;margin-bottom:10px}.upload-button{display:inline-block;padding:10px;background:#e7eef3;font-size:11px}.upload-button input{display:none}.remove-image{border:0;background:none;color:#b22;font-size:11px}.admin-list{max-width:850px;margin:30px auto}.admin-row{background:#fff;padding:18px;margin:8px 0;display:grid;grid-template-columns:1fr auto;gap:15px}.admin-row button{border:0;color:#c22;background:none}.loading{opacity:.65}.ink{color:var(--ink)}.reveal{opacity:0;transform:translateY(25px);transition:.8s cubic-bezier(.2,.8,.2,1)}.reveal.visible{opacity:1;transform:none}@keyframes breath{to{transform:scale(1.08)}}@keyframes float{50%{transform:translateY(-25px) scale(1.1)}}@media(max-width:760px){.topbar{height:64px;padding:0 16px}.topbar nav{display:none}.topbar.open nav{position:absolute;display:flex;flex-direction:column;gap:0;top:64px;left:0;width:100%;padding:18px;background:#061426}.topbar.open nav a{padding:14px;border-bottom:1px solid #ffffff18}.menu{display:block}.mini-logo img{width:48px}.main-logo{width:100vw;height:45vh}.hero-inner{padding-inline:6px}.hero-line{font-size:24px}.section{padding:85px 20px}.section-head h2{font-size:16vw}.map-frame{min-height:350px}.event{grid-template-columns:1fr;gap:7px}.event .place{text-align:left}.entity-grid{grid-template-columns:1fr 1fr}.entity-card{min-height:135px;padding:18px}.entity-card h3{font-size:21px}.schedule-controls{flex-direction:column}.profile-gallery{grid-template-columns:1fr}.profile-gallery img{height:40vh}.two,.upload-grid{grid-template-columns:1fr}.panel,.editor-form{padding:24px}.profile-hero h1{font-size:16vw}}.hero{height:220svh;min-height:0;display:block}.hero-sticky{position:sticky;top:0;height:100svh;display:grid;place-items:center;overflow:hidden}.hero-sticky::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 58%,transparent 0,rgba(1,7,16,.22) 48%,rgba(1,7,16,.84) 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1fr;gap:18px;padding:22px;border:1px solid #ffffff20;background:#ffffff09}.notice>span{font-size:10px;font-weight:900;color:#7bd6ff}.notice.emergency{border-color:#ff5252;background:#42141d}.notice.emergency>span{color:#ff8e8e}.notice h3,.notice p{margin:0}.notice p{margin-top:7px;color:#bdcad4;font-size:13px}.congestion-section{background:#eef4f5}.congestion-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.congestion-card{background:#fff;padding:24px;border:1px solid #d6e1e6}.congestion-card i{display:block;width:11px;height:11px;border-radius:50%;background:#28b86c;box-shadow:0 0 0 6px #28b86c1c}.congestion-card[data-status="やや混雑"] i{background:#e5a316;box-shadow:0 0 0 6px #e5a3161c}.congestion-card[data-status="混雑"] i{background:#e53c4b;box-shadow:0 0 0 6px #e53c4b1c}.congestion-card h3{margin:18px 0 7px}.congestion-card strong{font-size:18px}.congestion-card p,.congestion-card time{font-size:10px;color:#71808a}.words-link{display:block;margin-top:40px;text-align:right;font-weight:800}.profile-page{background:linear-gradient(145deg,var(--profile),color-mix(in srgb,var(--profile),#000 38%));}.profile-hero{position:relative;min-height:68svh;overflow:hidden}.profile-hero::before{content:"";position:absolute;width:60vw;height:60vw;border-radius:50%;right:-15vw;top:-25vw;background:radial-gradient(circle,#61c8ff2a,transparent 65%);animation:float 9s ease-in-out infinite}.profile-hero>*{position:relative}.profile-hero h1{text-wrap:balance}.profile-name{font-size:clamp(17px,2vw,24px);letter-spacing:.12em;color:#bde7ff}.profile-gallery{max-width:1500px;margin:auto}.profile-gallery img{border-radius:4px}.profile-body{font-size:clamp(15px,1.5vw,19px)}.words-page{min-height:100vh;background:#061426;color:#fff;padding-top:74px}.words-hero{padding:12vw 8vw 8vw;background:radial-gradient(circle at 75% 25%,#1575b74d,transparent 35%)}.words-hero h1{font:clamp(64px,11vw,150px)/.95 var(--brush);margin:20px 0}.words-list{padding:0 8vw 10vw;display:grid;gap:18px}.word-card{padding:clamp(28px,5vw,65px);background:#fff;color:#071426}.word-card>p{font-size:10px;font-weight:900;color:#0874c9;letter-spacing:.15em}.word-card h2{font:clamp(32px,5vw,64px) var(--brush)}.word-card div{white-space:pre-wrap;line-height:2}.word-card small{display:block;margin-top:25px;font-weight:800}.admin-jump{position:sticky;top:74px;z-index:10;max-width:850px;margin:0 auto 35px;padding:12px;background:#fff;display:flex;gap:8px;overflow:auto}.admin-jump a{padding:9px 14px;background:#e8f0f4;white-space:nowrap;font-size:11px;font-weight:800}.admin-section{scroll-margin-top:140px;margin:50px auto;max-width:900px}.admin-section>h2{font:40px var(--brush)}.congestion-form{display:grid;grid-template-columns:1.2fr 1fr 2fr auto;gap:10px;align-items:center;padding:12px 0;border-bottom:1px solid #dbe4e9}.congestion-form select,.congestion-form input{margin:0}.entity-card p{margin:0 0 12px;font-size:11px;color:#b9d7e9}.entity-card h3{margin-bottom:5px}.floor-tabs button:last-child{border-color:#0b6daa;color:#0b6daa}.floor-tabs button:last-child.active{color:#fff}.upload-button{cursor:pointer}.upload-slot{background:#f8fbfc}
@media(min-width:761px) and (max-width:1180px){.section{padding-left:6vw;padding-right:6vw}.entity-grid{grid-template-columns:repeat(2,1fr)}.main-logo{width:72vw}.profile-hero{padding-left:7vw}.congestion-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.hero{height:190svh}.main-logo{height:38vh;margin:-5px auto -20px}.hero-inner{padding:80px 10px 40px}.hero-inner .eyebrow{font-size:6px;line-height:1.8}.scroll-progress{right:12px}.notice-section{padding-top:55px;padding-bottom:55px}.notice{grid-template-columns:1fr}.congestion-grid{grid-template-columns:1fr 1fr}.congestion-card{padding:17px}.congestion-card strong{font-size:14px}.profile-hero{min-height:62svh;padding-top:120px}.profile-hero h1{font-size:14vw}.profile-name{font-size:16px}.profile-body{padding-top:45px;padding-bottom:45px}.words-hero{padding-top:130px}.congestion-form{grid-template-columns:1fr}.admin-jump{top:64px}.notice p{line-height:1.7}}
@media(max-width:420px){.entity-grid,.congestion-grid{grid-template-columns:1fr}.section-head h2{font-size:15vw}.floor-tabs button{padding:10px 14px}.main-logo{width:105vw}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}.hero{height:100svh}.hero-sticky{position:relative}}
/* Brighter, rounded festival refresh */
.hero-sticky::after{background:linear-gradient(180deg,rgba(1,8,16,.08),rgba(1,8,16,.18) 52%,rgba(1,8,16,.56))}.hero-glow{background:radial-gradient(circle,rgba(103,204,255,.34),transparent 66%)}.main-logo{width:min(820px,92vw);filter:drop-shadow(0 12px 28px rgba(255,255,255,.3)) drop-shadow(0 20px 50px rgba(0,43,93,.35))}.scroll-pill,.notice,.map-frame,.entity-card,.congestion-card,.word-card,.panel,.editor-form,.admin-row,.public-crowd-form{border-radius:24px}.floor-tabs button,.directory-switch button,.primary,.quiet-edit,.schedule-controls select,.admin-jump{border-radius:999px}.public-crowd-form{margin-top:28px;padding:clamp(22px,4vw,42px);background:#fff;display:grid;grid-template-columns:1.4fr repeat(3,1fr) auto;gap:14px;align-items:end;box-shadow:0 18px 55px #0a396214}.public-crowd-form h3{font:32px var(--brush);margin:5px 0}.public-crowd-form label{font-size:10px;font-weight:800}.public-crowd-form select,.public-crowd-form input{display:block;width:100%;margin-top:7px;padding:12px;border:1px solid #cad8e0;border-radius:14px;background:#f8fbfc}.footer #admin-secret-trigger{border:0;background:none;color:#71808a;font-size:10px;cursor:default}.entity-card,.congestion-card,.notice{transition:transform .35s,box-shadow .35s}.entity-card:hover,.congestion-card:hover,.notice:hover{transform:translateY(-6px);box-shadow:0 24px 60px #0b355421}@media(max-width:980px){.public-crowd-form{grid-template-columns:1fr 1fr}.public-crowd-form>div{grid-column:1/-1}}@media(max-width:600px){.public-crowd-form{grid-template-columns:1fr}.main-logo{width:110vw;max-width:none}.hero-sticky::after{background:linear-gradient(180deg,transparent,rgba(1,8,16,.48))}}
/* Japanese curtain introduction */
.opening-curtain{position:fixed;z-index:1000;inset:0;display:flex;pointer-events:auto;background:#f6f0df;overflow:hidden;transition:visibility 0s 1.8s}.opening-curtain i{position:absolute;top:0;width:51%;height:100%;background:linear-gradient(100deg,#43101a,#8b1830 55%,#57101f);box-shadow:inset 0 0 80px #22050c88;transition:transform 1.65s cubic-bezier(.76,0,.24,1)}.opening-curtain i::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent 0 42px,#ffffff08 43px 45px);mix-blend-mode:screen}.opening-curtain i:first-child{left:0;transform-origin:left}.opening-curtain i:last-child{right:0;transform-origin:right}.opening-curtain b{position:absolute;z-index:2;left:50%;top:50%;transform:translate(-50%,-50%);width:122px;height:122px;display:grid;place-items:center;border:1px solid #e8ce8c;border-radius:50%;background:#5c101f;color:#f4d98f;font:34px var(--brush);letter-spacing:.12em;box-shadow:0 0 0 12px #5c101f,0 0 0 13px #e8ce8c;transition:opacity .45s .25s,transform .7s .2s}.curtain-open .opening-curtain{visibility:hidden;pointer-events:none}.curtain-open .opening-curtain i:first-child{transform:translateX(-102%)}.curtain-open .opening-curtain i:last-child{transform:translateX(102%)}.curtain-open .opening-curtain b{opacity:0;transform:translate(-50%,-50%) scale(.72)}
.hero{height:360svh}.hero-sticky{background:#eaf4f7}.hero-sticky::before{content:"";position:absolute;z-index:1;inset:0;background:radial-gradient(circle at 50% 62%,rgba(255,244,205,.42),transparent 30%),repeating-radial-gradient(circle at 100% 0,transparent 0 30px,rgba(255,255,255,.08) 31px 32px);pointer-events:none}.hero-sticky::after{z-index:2;background:linear-gradient(180deg,rgba(4,23,40,.02),transparent 54%,rgba(3,17,30,.36))}.hero #petal-canvas{filter:brightness(1.22) saturate(1.1) contrast(.93);transform:scale(calc(1.015 + var(--scroll-progress,0)*.085)) translateY(calc(var(--scroll-progress,0)*-1.5%))}.hero-glow{z-index:2;width:72vw;height:72vw;background:radial-gradient(circle,rgba(255,255,255,.6),rgba(122,211,255,.2) 38%,transparent 67%);filter:blur(12px)}.hero-inner{z-index:4}.hero .main-logo{filter:drop-shadow(0 7px 22px rgba(255,255,255,.78)) drop-shadow(0 24px 50px rgba(5,63,103,.3))}.hero-line{text-shadow:0 2px 18px #06213ec7}.hero-phases{position:absolute;left:50%;top:calc(100% + 42px);width:min(620px,88vw);height:70px;transform:translateX(-50%);pointer-events:none}.hero-phases span{position:absolute;inset:0;display:grid;place-items:center;font:clamp(24px,4vw,50px) var(--brush);letter-spacing:.18em;color:#fff;text-shadow:0 3px 18px #05233c;opacity:0;transform:translateY(18px) scale(.92);transition:opacity .65s,transform .8s}.hero[data-stage="0"] .hero-phases span:nth-child(1),.hero[data-stage="1"] .hero-phases span:nth-child(2),.hero[data-stage="2"] .hero-phases span:nth-child(3){opacity:1;transform:none}.intro-active .topbar{opacity:.18;pointer-events:none;transform:translateY(-12px)}.topbar{transition:opacity .65s,transform .65s}.hero.intro-complete .scroll-progress span::after{content:"  終"}.scroll-pill{background:rgba(255,255,255,.16);backdrop-filter:blur(14px);box-shadow:0 12px 36px rgba(3,43,75,.18)}
.visibility-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid #d9e3e8}.visibility-row span{display:flex;flex-direction:column;gap:4px}.visibility-row small{color:#71808a}.visibility-toggle{min-width:90px;border:0;border-radius:999px;padding:10px 16px;font-weight:800;color:#fff}.visibility-toggle.on{background:#158257}.visibility-toggle.off{background:#87929a}.visibility-toggle:disabled{opacity:.5}.public-crowd-form small::after{content:"  同じ端末からの更新は5分ごとです。"}
@media(max-width:760px){.hero{height:330svh}.hero #petal-canvas{filter:brightness(1.27) saturate(1.08) contrast(.92)}.hero-inner{width:100%;padding-inline:8px}.hero .main-logo{width:112vw;height:42vh}.hero-line{font-size:clamp(21px,7vw,30px)}.hero-phases{top:calc(100% + 18px)}.opening-curtain b{width:96px;height:96px;font-size:27px}.opening-curtain i::after{background:repeating-linear-gradient(90deg,transparent 0 25px,#ffffff08 26px 28px)}}
/* Premium translucent interface */
:root{--glass:rgba(255,255,255,.66);--glass-strong:rgba(255,255,255,.84);--glass-line:rgba(255,255,255,.72);--premium-shadow:0 28px 80px rgba(25,76,112,.14),inset 0 1px 0 rgba(255,255,255,.9);--ease-premium:cubic-bezier(.16,1,.3,1)}
html{background:#eaf5fa}body{background:radial-gradient(circle at 12% 8%,#fff7dc 0,transparent 28%),radial-gradient(circle at 88% 18%,#d9f4ff 0,transparent 32%),linear-gradient(145deg,#edf8fb,#f8faf7 52%,#e9f5fb);background-attachment:fixed}.home{overflow:clip}.section{position:relative}.section::before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(120deg,rgba(255,255,255,.26),transparent 42%)}
.topbar{top:12px;left:50%;width:min(1180px,calc(100% - 30px));height:68px;padding:0 24px;transform:translateX(-50%);border:1px solid rgba(255,255,255,.54);border-radius:24px;background:rgba(5,27,48,.72);box-shadow:0 16px 50px rgba(3,33,58,.2),inset 0 1px rgba(255,255,255,.18);backdrop-filter:blur(28px) saturate(1.55)}.intro-active .topbar{transform:translate(-50%,-12px)}.mini-logo img{width:72px;height:58px;filter:brightness(1.25) drop-shadow(0 5px 10px rgba(85,184,238,.2))}.topbar nav a{padding:10px 0;transition:color .3s,transform .3s}.topbar nav a:hover{transform:translateY(-2px)}
.hero{height:350svh;margin:0}.hero-sticky{isolation:isolate;background:#effbff}.hero-sticky::before{background:radial-gradient(circle at calc(50% + var(--pointer-x,0px)) calc(54% + var(--pointer-y,0px)),rgba(255,255,255,.82),rgba(213,244,255,.2) 38%,transparent 66%),repeating-radial-gradient(circle at 0 0,transparent 0 41px,rgba(20,87,129,.025) 42px 43px)}.hero-sticky::after{background:linear-gradient(180deg,rgba(255,255,255,.03),transparent 58%,rgba(3,35,57,.18))}.hero #petal-canvas{filter:brightness(1.34) saturate(1.12) contrast(.88);transform:scale(calc(1.02 + var(--scroll-progress,0)*.075)) translate3d(calc(var(--pointer-x,0px)*-.008),calc(var(--scroll-progress,0)*-1.2%),0)}.hero-glow{width:min(980px,100vw);height:min(980px,100vw);background:radial-gradient(circle,rgba(255,255,255,.9),rgba(181,231,250,.28) 40%,transparent 70%);filter:blur(7px);transform:translate3d(calc(var(--pointer-x,0px)*.018),calc(var(--pointer-y,0px)*.018),0)}.hero-inner{width:100%;padding:70px 0 44px;opacity:1!important;transform:translateY(calc(var(--scroll-progress,0)*-4vh));display:flex;flex-direction:column;align-items:center}.hero-inner::before{content:"";position:absolute;z-index:-1;left:50%;top:50%;width:min(1100px,96vw);height:min(650px,72vh);transform:translate(-50%,-50%);border-radius:50%;background:radial-gradient(ellipse,rgba(255,255,255,.62),rgba(255,255,255,.18) 52%,transparent 72%);filter:blur(2px)}.hero .main-logo{width:min(1260px,126vw);max-width:none;height:min(66vh,700px);margin:-68px auto -82px;object-fit:contain;opacity:calc(1 - var(--scroll-progress,0)*.46);transform:scale(calc(1 + var(--scroll-progress,0)*.055));filter:brightness(1.24) contrast(1.08) saturate(1.12) drop-shadow(0 8px 18px rgba(255,255,255,.96)) drop-shadow(0 32px 68px rgba(6,72,117,.28));animation:logoBreathe 5.5s ease-in-out infinite}.hero-inner .eyebrow{color:#0b4168;text-shadow:0 1px 12px #fff;letter-spacing:.34em}.hero-line{font-size:clamp(28px,4.2vw,60px);color:#082f50;text-shadow:0 2px 18px rgba(255,255,255,.96);margin:10px 0 22px}.scroll-pill{color:#083c61;border-color:rgba(17,87,130,.25);background:rgba(255,255,255,.56);box-shadow:var(--premium-shadow);backdrop-filter:blur(25px) saturate(1.5);transition:transform .4s var(--ease-premium),box-shadow .4s}.scroll-pill:hover{transform:translateY(-4px) scale(1.03);box-shadow:0 24px 60px rgba(13,85,130,.2)}.hero-phases{top:calc(100% + 18px)}.hero-phases span{color:#073a60;text-shadow:0 3px 16px rgba(255,255,255,.98)}.scroll-progress{color:#073b60;text-shadow:0 1px 10px #fff}.scroll-progress i{background:linear-gradient(#0a679d calc(var(--scroll-progress,0)*100%),rgba(9,69,105,.18) 0)}
.notice-section,.light-section,.congestion-section,.directory-section{background:rgba(255,255,255,.42);backdrop-filter:blur(20px);border-top:1px solid rgba(255,255,255,.72)}.notice-section{color:#082f50;padding-top:92px}.notice-section .eyebrow{color:#126a9d}.schedule-section{margin:28px clamp(12px,2.5vw,38px);border-radius:48px;background:linear-gradient(145deg,rgba(4,30,53,.94),rgba(9,57,90,.9));box-shadow:0 34px 90px rgba(4,34,59,.22),inset 0 1px rgba(255,255,255,.18);overflow:hidden}.section-head{text-wrap:balance}.section-head h2{letter-spacing:-.09em}.map-frame,.notice,.entity-card,.congestion-card,.word-card,.panel,.editor-form,.admin-row,.public-crowd-form{border:1px solid var(--glass-line);background:var(--glass);box-shadow:var(--premium-shadow);backdrop-filter:blur(26px) saturate(1.45)}.map-frame{border-radius:38px}.notice,.entity-card,.congestion-card,.word-card,.admin-row{position:relative;overflow:hidden}.notice::after,.entity-card::after,.congestion-card::after,.word-card::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(115deg,transparent 25%,rgba(255,255,255,.45) 48%,transparent 68%);transform:translateX(-130%);transition:transform .9s var(--ease-premium)}.notice:hover::after,.entity-card:hover::after,.congestion-card:hover::after,.word-card:hover::after{transform:translateX(130%)}.entity-card{background:linear-gradient(145deg,color-mix(in srgb,var(--card),#fff 10%),color-mix(in srgb,var(--card),#000 5%));border-radius:28px}.congestion-card,.notice{border-radius:28px}.floor-tabs button,.directory-switch button,.primary,.quiet-edit,.upload-button,.visibility-toggle{position:relative;overflow:hidden;transition:transform .28s var(--ease-premium),box-shadow .28s,filter .28s}.floor-tabs button:hover,.directory-switch button:hover,.primary:hover,.quiet-edit:hover,.upload-button:hover,.visibility-toggle:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 12px 28px rgba(4,63,101,.16)}button:active,a:active{transform:scale(.97)}.motion-card{opacity:0;transform:translateY(28px) scale(.975);transition:opacity .75s var(--ease-premium),transform .75s var(--ease-premium)}.motion-card.in-view{opacity:1;transform:none}.page-transition{position:fixed;z-index:2000;inset:0;display:grid;place-items:center;pointer-events:none;opacity:0;background:rgba(242,249,249,.84);backdrop-filter:blur(0);transition:opacity .48s,backdrop-filter .48s}.page-transition::before{content:"習陵祭";width:88px;height:88px;display:grid;place-items:center;border-radius:50%;background:#0b4268;color:#f4d98f;font:25px var(--brush);transform:scale(.7) rotate(-8deg);transition:transform .55s var(--ease-premium)}.page-transition.active{opacity:1;pointer-events:auto;backdrop-filter:blur(24px)}.page-transition.active::before{transform:scale(1) rotate(0)}.interaction-ripple{position:absolute;border-radius:50%;background:rgba(255,255,255,.5);transform:translate(-50%,-50%) scale(0);pointer-events:none;animation:rippleOut .65s ease-out forwards}
@keyframes logoBreathe{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-7px) scale(1.018)}}@keyframes rippleOut{to{transform:translate(-50%,-50%) scale(7);opacity:0}}
@media(max-width:980px){.topbar{width:calc(100% - 20px)}.hero .main-logo{width:142vw;height:58vh;margin:-48px auto -68px}.schedule-section{border-radius:38px}.section{padding-left:5vw;padding-right:5vw}}
@media(max-width:760px){.topbar{top:8px;height:60px;border-radius:20px}.mini-logo img{width:58px;height:48px}.hero{height:320svh}.hero-inner{padding-top:55px}.hero .main-logo{width:168vw;height:48vh;margin:-32px auto -54px}.hero-inner::before{width:120vw;height:64vh}.hero-line{font-size:clamp(23px,7.8vw,34px)}.hero-phases{top:calc(100% + 10px)}.schedule-section{margin:12px 8px;border-radius:30px}.map-frame,.notice,.entity-card,.congestion-card,.word-card,.panel,.editor-form,.public-crowd-form{border-radius:22px}}
@media(max-height:700px) and (orientation:landscape){.hero .main-logo{height:72vh;margin:-76px auto -92px}.hero-line{font-size:28px}.hero-phases{display:none}}
.hero-inner{min-height:100svh;justify-content:center}.hero-phases{position:relative;left:auto;top:auto;width:min(720px,90vw);height:64px;margin:0 auto 4px;transform:none}.section-head .eyebrow::before{content:"";display:inline-block;width:28px;height:1px;margin-right:12px;vertical-align:middle;background:linear-gradient(90deg,#b48b35,#efd789)}.page-ready main{animation:pageReveal .8s var(--ease-premium) both}@keyframes pageReveal{from{opacity:.35;transform:translateY(8px);filter:blur(6px)}to{opacity:1;transform:none;filter:none}}@media(max-width:760px){.hero-inner{min-height:100svh}.hero-phases{position:relative;top:auto;margin-top:-4px;height:54px}}

/* ===== v2: 初期画面の視認性・桜・黒帯除去・編集UI ===== */
/* 1) hero全高を覆っていた暗幕(.hero::after)を無効化し、真っ黒の空白を消す */
.hero::after{display:none!important;content:none!important}
.hero{height:300svh;background:linear-gradient(180deg,#f2fbff 0%,#eaf6fd 60%,#f7fbfe 100%)}
.hero-sticky{background:linear-gradient(180deg,#f6fcff,#e9f5fc 62%,#fdf6f8)}
.hero-sticky::before{background:radial-gradient(circle at calc(50% + var(--pointer-x,0px)) calc(52% + var(--pointer-y,0px)),rgba(255,255,255,.7),rgba(226,246,255,.18) 42%,transparent 70%),repeating-radial-gradient(circle at 0 0,transparent 0 44px,rgba(20,87,129,.02) 45px 46px)}
/* 2) 下端の黒グラデを白系に差し替え、次セクションへ自然につなげる */
.hero-sticky::after{background:linear-gradient(180deg,rgba(255,255,255,.34) 0,transparent 30%,transparent 72%,rgba(240,250,255,.72) 100%)}
/* 3) 背景シーケンスをしっかり明るく */
.hero #petal-canvas{filter:brightness(1.5) saturate(1.08) contrast(.82);opacity:.94}
.hero-glow{background:radial-gradient(circle,rgba(255,255,255,.72),rgba(255,214,231,.3) 38%,transparent 72%);filter:blur(10px)}
/* 4) ロゴ：白飛びフィルタを外し、濃紺の筆文字をはっきり見せる */
.hero .main-logo{width:min(1080px,104vw);height:min(58vh,620px);margin:-34px auto -44px;opacity:1;filter:contrast(1.14) saturate(1.16) drop-shadow(0 2px 3px rgba(255,255,255,.95)) drop-shadow(0 14px 34px rgba(255,255,255,.85)) drop-shadow(0 26px 60px rgba(9,66,110,.22))}
.hero-inner{padding:52px 0 40px;min-height:100svh;justify-content:center;gap:2px}
.hero-inner::before{width:min(1040px,94vw);height:min(600px,66vh);background:radial-gradient(ellipse,rgba(255,255,255,.86),rgba(255,255,255,.4) 48%,transparent 74%)}
.hero-inner .eyebrow{color:#0a4a75;text-shadow:0 1px 10px #fff,0 0 22px #fff;font-weight:900}
.hero-line{color:#06304f;text-shadow:0 1px 4px #fff,0 2px 22px rgba(255,255,255,.98);font-size:clamp(26px,4vw,56px)}
.hero-phases span{color:#062f4f;text-shadow:0 1px 4px #fff,0 3px 20px rgba(255,255,255,.98)}
.scroll-pill{color:#063a5e;background:rgba(255,255,255,.74);border-color:rgba(12,80,122,.28);font-weight:900}
.scroll-progress{color:#05365a}
/* 5) 桜レイヤー */
#sakura-canvas{position:absolute;inset:0;z-index:3;width:100%;height:100%;pointer-events:none;mix-blend-mode:normal;opacity:calc(.55 + var(--scroll-progress,0)*.45);transition:opacity .4s}
.hero-inner{z-index:4}
.scroll-progress,.hero.intro-complete .hero.gate-hint @keyframes gateShake{0%,100%{transform:translateX(-50%)}25%{transform:translate(-50%,-6px) scale(1.04)}60%{transform:translate(-50%,2px)}}
.intro-active .scroll-pill{animation:pillPulse 2.6s ease-in-out infinite}
@keyframes pillPulse{50%{transform:translateY(-6px);box-shadow:0 22px 52px rgba(11,84,130,.24)}}
.intro-active{overscroll-behavior-y:none}
/* 7) 桜の花びらCSSレイヤー（canvas補助・和風の間） */
.hero-sticky .petal-fall{position:absolute;inset:0;z-index:2;pointer-events:none;overflow:hidden}
/* 8) お知らせ以降の先頭セクションを明るくつなげる */
.notice-section{background:rgba(255,255,255,.62);border-top:1px solid rgba(255,255,255,.9);padding-top:84px}
/* 9) 編集ページの画像UI */
.upload-slot{display:grid;gap:12px;align-content:start;border:1px dashed #9dc0d4;border-radius:22px;padding:16px;background:rgba(255,255,255,.72)}
.upload-slot.has-image{border-style:solid;border-color:#0b83c8;box-shadow:0 10px 30px rgba(9,84,132,.12)}
.upload-slot img{width:100%;height:190px;object-fit:cover;border-radius:16px;margin:0;background:#e8f2f7}
.upload-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.upload-button{display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border-radius:999px;background:#0b6db7;color:#fff;font-size:11px;font-weight:900;cursor:pointer}
.upload-button.busy{opacity:.6;pointer-events:none}
.remove-image{border:1px solid #d8a2a8;background:#fff;color:#b32130;border-radius:999px;padding:9px 15px;font-size:11px;font-weight:800;cursor:pointer}
.upload-status{margin:0;font-size:11px;font-weight:700;line-height:1.6;color:#0a6b46;min-height:1.2em}
.upload-status.error{color:#c2182b}
.upload-help{margin:14px 0 0;font-size:11px;color:#5a6b78;line-height:1.7}
.form-error.ok{color:#0a7a4f}
.editor-form .primary:disabled{opacity:.62;cursor:progress}
@media(max-width:760px){
  .hero{height:260svh}
  .hero .main-logo{width:132vw;height:40vh;margin:-18px auto -30px}
  .hero-inner{padding-top:44px}
      .upload-slot img{height:150px}
}
@media(prefers-reduced-motion:reduce){
  .hero{height:100svh}
  .hero-sticky{position:relative}
  #sakura-canvas{display:none}
  }

/* ===== v3: 進度表記なしのスクロールゲート演出 ===== */
.hero.gate-hint .scroll-pill{animation:gateNudge .7s ease}
@keyframes gateNudge{0%,100%{transform:none}30%{transform:translateY(-10px) scale(1.05)}65%{transform:translateY(3px)}}
.hero.gate-hint .scroll-progress i{background:linear-gradient(#ff9dc0 calc(var(--scroll-progress,0)*100%),rgba(9,69,105,.18) 0)}
.intro-active{overscroll-behavior:none}
.hero.intro-complete .scroll-pill{opacity:0;transform:translateY(14px);pointer-events:none;transition:opacity .6s,transform .6s}
.hero.intro-complete .scroll-progress{opacity:0;transition:opacity .6s}

/* ===== v4: 配置の修正（hero内スティッキーの横幅） ===== */
/* .hero に残っていた place-items:center が justify-self として継承され、
   .hero-sticky が shrink-to-fit（1080px）になり左右に余白が出ていた */
.hero{place-items:normal;justify-items:normal;align-items:normal}
.hero-sticky{width:100%;justify-self:stretch;align-self:start}

/* ===== v5: 開幕カーテンをJSから独立させる（CSSアニメーションで確実に開く） ===== */
/* 以前は JS の setTimeout でクラス付与していたため、
   初期化処理でメインスレッドが詰まると開幕が数秒遅れていた */
.opening-curtain{animation:curtainDone .01s linear .45s forwards}
.opening-curtain i:first-child{animation:curtainLeft 1.5s cubic-bezier(.76,0,.24,1) .45s forwards}
.opening-curtain i:last-child{animation:curtainRight 1.5s cubic-bezier(.76,0,.24,1) .45s forwards}
.opening-curtain b{animation:curtainSeal .8s ease .35s forwards}
@keyframes curtainLeft{to{transform:translateX(-102%)}}
@keyframes curtainRight{to{transform:translateX(102%)}}
@keyframes curtainSeal{to{opacity:0;transform:translate(-50%,-50%) scale(.72)}}
@keyframes curtainDone{to{visibility:hidden;pointer-events:none}}
@media(prefers-reduced-motion:reduce){
  .opening-curtain{display:none!important}
}

/* ===== v7: 1枚背景ヒーロー（固定は廃止・通常スクロール） ===== */
.hero{height:118svh;background:linear-gradient(180deg,#f4fcff 0%,#ecf7fd 58%,#fdf7fa 100%)}
.hero-sticky{position:sticky;top:0;height:100svh;width:100%}
.hero #petal-canvas{opacity:0;transition:opacity 1.2s ease .1s;transform:scale(calc(1.03 + var(--scroll-progress,0)*.06))}
.hero.hero-ready #petal-canvas{opacity:.96}
/* 開幕：ロゴと言葉がゆっくり立ち上がる */
.hero .main-logo{animation:heroLogoIn 1.7s cubic-bezier(.16,.84,.3,1) .35s both,logoBreathe 6s ease-in-out 2.2s infinite}
@keyframes heroLogoIn{from{opacity:0;transform:translateY(26px) scale(.955);filter:blur(10px) brightness(1.3)}to{opacity:1;transform:none;filter:none}}
.hero-inner .eyebrow{animation:heroFadeUp 1.1s cubic-bezier(.2,.8,.2,1) .2s both}
.hero-line{animation:heroFadeUp 1.2s cubic-bezier(.2,.8,.2,1) .9s both}
.hero-phases{animation:heroFadeUp 1.2s cubic-bezier(.2,.8,.2,1) 1.15s both}
.scroll-pill{animation:heroFadeUp 1.1s cubic-bezier(.2,.8,.2,1) 1.4s both,pillPulse 3s ease-in-out 2.6s infinite}
@keyframes heroFadeUp{from{opacity:0;transform:translateY(18px);filter:blur(6px)}to{opacity:1;transform:none;filter:none}}
/* 桜は開幕でふわっと現れる */
#sakura-canvas{opacity:0;animation:sakuraIn 2.2s ease .3s forwards}
@keyframes sakuraIn{to{opacity:1}}
@media(max-width:760px){.hero{height:112svh}}
@media(prefers-reduced-motion:reduce){
  .hero{height:100svh}
  .hero-sticky{position:relative}
  .hero .main-logo,.hero-inner .eyebrow,.hero-line,.hero-phases,.scroll-pill,#sakura-canvas{animation:none!important;opacity:1!important;transform:none!important;filter:none!important}
}

/* ===== v8: ページ内AIチャット ===== */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.chat-fab{position:fixed;z-index:900;right:clamp(14px,2.4vw,30px);bottom:clamp(14px,2.4vw,30px);display:flex;align-items:center;gap:10px;padding:13px 20px 13px 14px;border:1px solid rgba(255,255,255,.72);border-radius:999px;background:linear-gradient(135deg,#0b5f9c,#0a86c9 55%,#f48fb6);color:#fff;font-weight:900;font-size:12px;letter-spacing:.06em;cursor:pointer;box-shadow:0 18px 44px rgba(7,60,100,.34);transition:transform .35s var(--ease-premium),box-shadow .35s,opacity .3s}
.chat-fab:hover{transform:translateY(-4px) scale(1.03);box-shadow:0 26px 60px rgba(7,60,100,.4)}
.chat-fab.hidden{opacity:0;pointer-events:none;transform:translateY(16px) scale(.9)}
.chat-fab-icon{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,.22);font:15px var(--brush);animation:fabSpin 9s linear infinite}
@keyframes fabSpin{to{transform:rotate(360deg)}}
.chat-fab::after{content:"";position:absolute;inset:-4px;border-radius:999px;border:1px solid rgba(255,255,255,.5);opacity:0;animation:fabPulse 2.8s ease-out infinite}
@keyframes fabPulse{0%{opacity:.7;transform:scale(.96)}70%,100%{opacity:0;transform:scale(1.12)}}
.chat-panel{position:fixed;z-index:950;right:clamp(10px,2vw,26px);bottom:clamp(10px,2vw,26px);width:min(408px,calc(100vw - 20px));max-height:min(660px,82svh);display:flex;flex-direction:column;border:1px solid rgba(255,255,255,.8);border-radius:26px;background:rgba(253,254,255,.9);box-shadow:0 30px 80px rgba(5,45,78,.28);backdrop-filter:blur(30px) saturate(1.6);overflow:hidden;opacity:0;transform:translateY(22px) scale(.97);transition:opacity .32s var(--ease-premium),transform .32s var(--ease-premium)}
.chat-panel.open{opacity:1;transform:none}
.chat-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 20px;border-bottom:1px solid rgba(12,80,122,.12);background:linear-gradient(120deg,rgba(11,95,156,.1),rgba(244,143,182,.12))}
.chat-head h2{margin:4px 0 0;font:25px var(--brush);color:#06304f}
.chat-head .eyebrow{color:#0d6a9f}
#chat-close{width:34px;height:34px;border:1px solid rgba(12,80,122,.2);border-radius:50%;background:#fff;color:#06304f;font-size:17px;cursor:pointer;transition:transform .25s,background .25s}
#chat-close:hover{transform:rotate(90deg);background:#eaf5fb}
.chat-log{flex:1;overflow-y:auto;padding:18px;display:grid;gap:12px;align-content:start;scroll-behavior:smooth}
.chat-msg{max-width:86%;padding:13px 16px;border-radius:18px;font-size:13.5px;line-height:1.85;animation:chatIn .4s var(--ease-premium) both}
@keyframes chatIn{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}
.chat-msg p{margin:0 0 6px}
.chat-msg p:last-child{margin:0}
.chat-msg.bot{justify-self:start;background:#fff;color:#0a2f4c;border:1px solid rgba(12,80,122,.14);border-bottom-left-radius:6px;box-shadow:0 8px 22px rgba(8,60,100,.08)}
.chat-msg.user{justify-self:end;background:linear-gradient(135deg,#0b5f9c,#0a86c9);color:#fff;border-bottom-right-radius:6px;box-shadow:0 10px 26px rgba(9,73,120,.24)}
.chat-msg.error{background:#fff3f4;border-color:#f0bcc2;color:#a81e2d}
.chat-msg.typing p{display:flex;gap:5px}
.chat-msg.typing i{width:7px;height:7px;border-radius:50%;background:#7fb6d8;animation:chatDot 1.1s ease-in-out infinite}
.chat-msg.typing i:nth-child(2){animation-delay:.15s}
.chat-msg.typing i:nth-child(3){animation-delay:.3s}
@keyframes chatDot{0%,100%{opacity:.3;transform:translateY(0)}50%{opacity:1;transform:translateY(-4px)}}
.chat-suggest{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}
.chat-chip{padding:9px 14px;border:1px solid rgba(12,80,122,.22);border-radius:999px;background:rgba(255,255,255,.86);color:#0a4a75;font-size:11.5px;font-weight:800;cursor:pointer;transition:transform .25s,background .25s,box-shadow .25s}
.chat-chip:hover{transform:translateY(-2px);background:#0b5f9c;color:#fff;box-shadow:0 10px 24px rgba(9,73,120,.22)}
.chat-form{display:flex;gap:10px;align-items:flex-end;padding:14px 16px 6px;border-top:1px solid rgba(12,80,122,.12)}
#chat-input{flex:1;resize:none;max-height:120px;padding:12px 14px;border:1px solid rgba(12,80,122,.2);border-radius:16px;background:#fff;font-size:13.5px;line-height:1.6}
#chat-input:focus{outline:2px solid rgba(11,95,156,.35);outline-offset:1px}
.chat-send{padding:12px 18px;border:0;border-radius:999px;background:linear-gradient(135deg,#0b5f9c,#0a86c9);color:#fff;font-size:12px;font-weight:900;cursor:pointer;transition:transform .25s,filter .25s}
.chat-send:hover{transform:translateY(-2px);filter:brightness(1.08)}
.chat-note{margin:0;padding:6px 18px 16px;font-size:10px;line-height:1.7;color:#6c7f8c}
@media(max-width:560px){
  .chat-panel{right:8px;left:8px;bottom:8px;width:auto;max-height:80svh;border-radius:22px}
  .chat-fab-text{display:none}
  .chat-fab{padding:14px;border-radius:50%}
}

/* ===== v9: 全体のアニメーション強化 ===== */
.section-head h2{background:linear-gradient(100deg,#06304f 0%,#0b6aa8 46%,#c9789c 88%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.section-head h2 em{-webkit-text-fill-color:#0874c9}
.section-head.visible h2{animation:headRise 1s var(--ease-premium) both}
@keyframes headRise{from{opacity:0;transform:translateY(20px);letter-spacing:.02em}to{opacity:1;transform:none}}
.section-head .eyebrow::before{transition:width .7s var(--ease-premium)}
.section-head.visible .eyebrow::before{animation:lineGrow .9s var(--ease-premium) both}
@keyframes lineGrow{from{width:0}to{width:28px}}
/* カードの立ち上がり方を層状に */
.motion-card{transform:translateY(34px) scale(.965);filter:blur(4px)}
.motion-card.in-view{filter:none}
/* 企画カードに光沢と浮遊 */
.entity-card{transition:transform .45s var(--ease-premium),box-shadow .45s,filter .45s}
.entity-card:hover{transform:translateY(-8px) scale(1.015)}
.entity-card h3{transition:transform .4s var(--ease-premium)}
.entity-card:hover h3{transform:translateX(4px)}
/* タイムラインの行が順に現れる */
.event{transition:transform .4s var(--ease-premium),background .4s}
.event:hover{transform:translateX(6px);background:rgba(255,255,255,.05)}
/* 混雑インジケーターの鼓動 */
.congestion-card i{animation:statusPulse 2.4s ease-in-out infinite}
@keyframes statusPulse{50%{transform:scale(1.18)}}
/* お知らせの緊急表示を強調 */
.notice.emergency{animation:alertGlow 2.6s ease-in-out infinite}
@keyframes alertGlow{50%{box-shadow:0 0 0 1px #ff8e8e,0 18px 46px rgba(214,50,66,.24)}}
/* フロアタブの選択アニメーション */
.floor-tabs button,.directory-switch button{transition:transform .3s var(--ease-premium),background .35s,color .35s,box-shadow .35s}
.floor-tabs button.active,.directory-switch button.active{transform:translateY(-2px);box-shadow:0 12px 26px rgba(5,45,78,.2)}
/* フッターの静かな呼吸 */
.footer img{animation:logoBreathe 7s ease-in-out infinite}
@media(prefers-reduced-motion:reduce){
  .chat-fab::after,.chat-fab-icon,.congestion-card i,.notice.emergency,.footer img{animation:none!important}
  .motion-card{filter:none;transform:none}
}

/* ===== v10: 描画負荷の削減（サイトを軽くする） ===== */
/* backdrop-filter は合成コストが非常に高いため、常時表示される要素からは外し、
   半透明の背景色で同等の見た目を保つ */
.notice-section,.light-section,.congestion-section,.directory-section{backdrop-filter:none;background:rgba(255,255,255,.72)}
.map-frame,.notice,.entity-card,.congestion-card,.word-card,.panel,.editor-form,.admin-row,.public-crowd-form{backdrop-filter:none}
.map-frame,.notice,.congestion-card,.word-card,.panel,.editor-form,.admin-row,.public-crowd-form{background:rgba(255,255,255,.9)}
.topbar{backdrop-filter:blur(16px);background:rgba(5,27,48,.86)}
.scroll-pill{backdrop-filter:none;background:rgba(255,255,255,.8)}
.hero-sticky{isolation:auto}
/* 常時流れ続けるアニメーションを停止（視線を奪わず、GPU負荷も下げる） */
.congestion-card i,.footer img,.chat-fab-icon{animation:none!important}
.chat-fab::after{animation:none!important;opacity:0}
.notice.emergency{animation:none!important;box-shadow:0 0 0 1px #ff8e8e}
.hero .main-logo{animation:heroLogoIn 1.7s cubic-bezier(.16,.84,.3,1) .35s both}
.scroll-pill{animation:heroFadeUp 1.1s cubic-bezier(.2,.8,.2,1) 1.4s both}
.hero-glow{animation:none;filter:blur(6px)}
/* 固定背景は毎スクロール再描画されるため解除 */
body{background-attachment:scroll}
/* ホバー時のスイープ光沢は入力遅延の原因になるため無効化 */
.notice::after,.entity-card::after,.congestion-card::after,.word-card::after{display:none}
/* 画面外のセクションは描画をスキップさせる */
.section{content-visibility:auto;contain-intrinsic-size:auto 900px}
/* 合成レイヤーのヒント */
#sakura-canvas,#petal-canvas{will-change:transform;backface-visibility:hidden}
.section::before{display:none}

/* ===== v11: 桜をGPUだけで動くCSSアニメーションに（canvasを廃止して大幅軽量化） ===== */
#sakura-canvas{display:none}
.sakura-layer{position:absolute;inset:0;z-index:3;overflow:hidden;pointer-events:none;contain:strict}
.sakura-layer .petal{
  position:absolute;top:-6%;display:block;
  background:radial-gradient(circle at 32% 28%,#fffafc 0%,#ffc9dd 48%,#ff9dbe 100%);
  border-radius:52% 12% 52% 12%;
  will-change:transform;
  animation-name:petalFall,petalSway;
  animation-timing-function:linear,ease-in-out;
  animation-iteration-count:infinite,infinite;
}
.sakura-layer .petal.p2{background:radial-gradient(circle at 34% 30%,#fff 0%,#ffdae8 46%,#f9a6c4 100%);border-radius:12% 52% 12% 52%}
.sakura-layer .petal.p3{background:radial-gradient(circle at 30% 26%,#fffdfe 0%,#ffcede 52%,#f792b7 100%);border-radius:50% 16% 50% 16%}
@keyframes petalFall{from{transform:translate3d(0,-10vh,0) rotate(0)}to{transform:translate3d(0,112vh,0) rotate(540deg)}}
@keyframes petalSway{0%,100%{margin-left:-14px}50%{margin-left:20px}}
.sakura-layer.paused .petal{animation-play-state:paused}
@media(prefers-reduced-motion:reduce){.sakura-layer{display:none}}