:root{--navy:#142c42;--navy2:#1c4057;--ink:#192d3c;--muted:#63727f;--line:#dbe2e3;--paper:#faf9f6;--white:#fff;--yellow:#f4b923;--coral:#ed8e6f;--teal:#196f79;--shadow:0 18px 50px rgba(23,43,60,.07);font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;color:var(--ink);background:var(--paper);scroll-behavior:smooth}*{box-sizing:border-box}html{scroll-padding-top:90px}body{margin:0;min-width:320px}a{color:inherit}button,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid var(--teal);outline-offset:4px}img{display:block;max-width:100%}.skip-link{position:absolute;top:-100px;left:10px;z-index:100;background:white;padding:12px}.skip-link:focus{top:10px}.section-shell{max-width:1230px;margin:auto;padding-left:28px;padding-right:28px}
.site-header{position:sticky;top:0;z-index:30;background:rgba(250,249,246,.96);border-bottom:1px solid #e8e9e5;backdrop-filter:blur(16px)}.header-inner{height:79px;max-width:1300px;margin:auto;padding:0 28px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;flex-shrink:0}.brand img{width:45px;height:45px;object-fit:contain}.brand span{display:flex;flex-direction:column;gap:0}.brand strong{letter-spacing:.13em;font-size:23px;line-height:1.3}.brand small{font-family:Arial,sans-serif;font-size:9px;letter-spacing:.045em;font-weight:700;color:#6b7c84}.top-nav{display:flex;align-items:center;gap:29px}.top-nav a{font-weight:700;font-size:13px;text-decoration:none;white-space:nowrap}.top-nav a:hover,.inline-link:hover{color:var(--teal)}.top-nav .nav-cta{padding:12px 17px;background:var(--navy);color:#fff;border-radius:3px}.top-nav .nav-cta:hover{background:var(--teal);color:#fff}
.hero{background:var(--navy);display:grid;grid-template-columns:47% 53%;min-height:492px;overflow:hidden}.hero-copy{width:100%;max-width:610px;justify-self:end;padding:81px 26px 70px 42px;color:white}.hero-eyebrow{color:#d7e5e9;font-size:10px;letter-spacing:.13em;font-weight:800;display:flex;align-items:center;gap:12px}.signal-dot{width:9px;height:9px;background:var(--yellow);border-radius:50%;box-shadow:0 0 0 4px rgba(244,185,35,.18)}.hero h1{font-size:clamp(44px,5.1vw,80px);letter-spacing:-.075em;line-height:1.38;margin:23px 0 16px;font-weight:900}.hero h1 em{font-style:normal;color:var(--yellow)}.hero-copy>p{font-size:clamp(15px,1.3vw,19px);line-height:2.15;letter-spacing:.06em;color:#d6e2e8;margin:0 0 31px}.hero-actions{display:flex;gap:13px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;gap:17px;text-decoration:none;font-size:13px;font-weight:800;min-height:52px;padding:13px 20px;border-radius:3px;transition:transform .15s,background .15s,color .15s}.button:hover{transform:translateY(-2px)}.button-primary{background:var(--yellow);color:var(--navy)}.button-primary:hover{background:#ffcb54}.button-secondary{border:1px solid #617b87;color:#fff}.button-secondary:hover{background:#ffffff18}.button-outline{border:1px solid #9babb1;color:var(--navy);background:#fff}.button-outline:hover{border-color:var(--teal)}.hero-art{position:relative;display:flex;align-items:center;justify-content:center;background:#f3f1ea;padding:70px 45px 60px 28px;overflow:hidden}.hero-art:before{content:"";position:absolute;width:440px;height:440px;border:1px solid #e5d6b8;border-radius:50%;top:-225px;right:-130px;box-shadow:0 0 0 100px rgba(255,255,255,.26)}.hero-art img{width:min(610px,94%);max-height:380px;object-fit:contain;filter:drop-shadow(0 8px 1px rgba(28,42,50,.015));position:relative}.art-tag,.art-footer{position:absolute;left:39px;font-family:Arial,sans-serif;font-weight:800;font-size:11px;letter-spacing:.2em;color:#76838b}.art-tag{top:29px}.art-footer{bottom:27px;color:#465e6d;letter-spacing:.13em}
.intro{padding-top:105px;padding-bottom:102px;display:grid;grid-template-columns:.95fr 1fr;gap:90px}.kicker{display:flex;align-items:center;gap:15px;color:#a27320;font-size:11px;font-weight:900;letter-spacing:.19em;margin-bottom:20px}.kicker-rule{display:inline-block;width:47px;height:2px;background:var(--yellow)}.intro h2,.section-heading h2{font-size:clamp(31px,3.4vw,48px);line-height:1.48;letter-spacing:-.055em;margin:0;font-weight:850}.intro-right{padding-top:23px}.intro-right p{font-size:15px;line-height:2.2;color:#445666;margin:0 0 18px}.intro-right strong{color:var(--navy)}.inline-link{text-decoration:none;font-weight:800;font-size:14px;display:inline-block;margin-top:10px;border-bottom:2px solid var(--yellow);padding-bottom:6px}
.map-section{background:#ecf1ef;padding:95px 0 106px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:36px}.section-heading>div:first-child>p{line-height:1.9;margin:15px 0 0;color:#61727a;font-size:14px}.filter-box{width:250px;background:#fff;border:1px solid #d9e1e1;box-shadow:0 9px 25px #203d4a06;border-radius:5px;padding:17px 17px 15px;flex-shrink:0}.filter-box label{display:block;font-size:12px;font-weight:800;margin-bottom:9px}.filter-box select{width:100%;appearance:none;border:1px solid #ccd6da;border-radius:3px;background:#f8faf9 url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"%3E%3Cpath d="m5 7 5 5 5-5" stroke="%23142c42" fill="none" stroke-width="2"/%3E%3C/svg%3E') right 10px center / 18px no-repeat;color:var(--navy);padding:10px 13px;font-weight:850;font-size:17px;cursor:pointer}.year-hint{display:block;font-size:10px;margin-top:8px;color:var(--muted)}.map-layout{display:grid;grid-template-columns:minmax(0,1.66fr) minmax(260px,1fr);gap:22px;align-items:stretch}.map-card{background:white;border:1px solid #dae2e2;border-radius:7px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}.map-topline{display:flex;justify-content:space-between;align-items:center;padding:23px 26px 0;gap:10px}.map-topline strong{font-family:Arial,sans-serif;font-size:11px;letter-spacing:.17em;color:#496275}.map-topline span{font-size:12px;font-weight:700;color:var(--teal)}#map-root{display:flex;align-items:center;justify-content:center;flex:1;min-height:475px;margin:0 auto;width:100%;padding:0 16px}#map-root svg{width:min(100%,590px);height:auto;display:block;max-height:540px;overflow:visible}#map-root svg .prefecture{opacity:.58;transition:opacity .14s,filter .14s}#map-root svg .prefecture.is-active{opacity:1;cursor:pointer}#map-root svg .prefecture.is-planned{opacity:.9;cursor:pointer}#map-root svg .prefecture.is-active>path,#map-root svg .prefecture.is-active>polygon{fill:var(--yellow) !important}#map-root svg .prefecture.is-planned>path,#map-root svg .prefecture.is-planned>polygon{fill:#eab293 !important}#map-root svg .prefecture.is-active:hover,#map-root svg .prefecture.is-planned:hover{filter:drop-shadow(0px 0px 6px #d29e3190)}#map-root svg .prefecture:focus{outline:none;filter:drop-shadow(0 0 7px #0e7689)}#map-root svg .prefecture.is-active>*,#map-root svg .prefecture.is-planned>*{stroke:#fff;stroke-width:.65}#map-root svg .prefecture:not(.is-active):not(.is-planned):not(.is-postponed){pointer-events:none}.loading{font-size:13px;color:var(--muted)}.map-legend{padding:0 25px 26px;display:flex;flex-wrap:wrap;gap:12px 17px;color:#657681;font-size:11px}.map-legend>span{display:flex;align-items:center;gap:7px}.legend-swatch{width:10px;height:10px;display:inline-block;border-radius:2px;background:var(--yellow)}.legend-swatch.outline{background:#eab293}.legend-swatch.muted{background:#a8b1b6}.map-aside{padding:29px;background:#fff;border:1px solid #dae2e2;border-radius:7px;box-shadow:var(--shadow)}.eyebrow{font-family:Arial,sans-serif;font-weight:900;font-size:10px;letter-spacing:.19em;color:#a27b37}.aside-heading{padding-bottom:16px;border-bottom:1px solid #e5e9e9}.aside-heading h3{font-size:24px;letter-spacing:-.05em;margin:8px 0}.location-list{display:flex;flex-direction:column}.location-item{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:15px 4px;border-bottom:1px solid #e8eded;text-decoration:none}.location-item:hover{background:#f6f8f7}.location-item strong{font-weight:800;font-size:16px}.location-item small{display:block;font-size:11px;font-weight:500;color:#6f7b81;margin-top:5px}.location-item .arrow{font-size:22px;color:#9aa8af}.location-item .place-chip{font-size:10px;font-weight:800;border:1px solid #c9d4d9;border-radius:3px;padding:3px 7px;color:#657984}.location-item .place-chip.is-published{border-color:#eccc79;background:#fff8db;color:#70521b}.location-item .place-chip.is-planned{border-color:#e4c6ba;background:#fff6f2;color:#9a6350}.location-item .place-title{display:flex;align-items:center;gap:9px}.aside-note{font-size:11px;line-height:1.8;color:#819096;margin:19px 0 0}
.events-section{padding-top:104px;padding-bottom:110px}.event-heading{margin-bottom:37px}.archive-label{font-family:Arial,sans-serif;color:#a2acb1;font-size:10px;letter-spacing:.18em;font-weight:800}.event-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:19px}.event-card{display:flex;flex-direction:column;padding:26px;background:white;border:1px solid #e4e9e8;border-radius:6px;box-shadow:0 12px 33px #203d4a09;min-height:322px}.event-card-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:21px}.status-pill{display:inline-block;background:#e9f5ed;color:#336f50;font-size:10px;border-radius:2px;padding:5px 9px;font-weight:850}.status-pill.upcoming{background:#fff0c4;color:#785716}.date-label{font-family:Arial,sans-serif;color:#687985;font-weight:800;font-size:12px;letter-spacing:.06em}.event-card h3{font-size:23px;font-weight:900;line-height:1.55;letter-spacing:-.05em;margin:0 0 9px}.event-card .theme{font-size:12px;line-height:1.8;color:#5a6e79;margin:0 0 14px}.event-card .short-desc{font-size:12px;line-height:1.9;color:#6b7983;margin:0 0 25px;flex:1}.card-links{border-top:1px solid #e7eced;padding-top:17px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}.card-links a{font-size:12px;font-weight:850;text-decoration:none}.card-links .primary-link{color:#11717a}.card-links a:hover{text-decoration:underline}.archive-footer{text-align:center;margin-top:43px}.join-strip{background:#f8e7af;padding:55px 0}.join-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}.join-inner .kicker{color:#79611e}.join-inner h2{font-size:34px;letter-spacing:-.06em;margin:0 0 11px}.join-inner p{font-size:14px;line-height:1.9;margin:0;color:#755f3f}.join-inner .button-primary{background:var(--navy);color:white}.join-inner .button-primary:hover{background:var(--navy2)}.site-footer{background:#13283a;color:#c9d7dd;padding:41px 0}.footer-inner{display:flex;justify-content:space-between;align-items:start;gap:35px}.footer-brand{display:flex;flex-direction:column;gap:5px;white-space:nowrap}.footer-brand strong{font-size:24px;letter-spacing:.17em;color:white}.footer-brand span{font-size:11px}.footer-inner p{font-size:11px;line-height:1.9;margin:0;max-width:670px}.footer-inner>a{font-size:13px;font-weight:800;white-space:nowrap}
.location-hero{background:var(--navy);color:#fff;padding:27px 0 62px;position:relative;overflow:hidden}.location-hero:after{content:"";height:370px;width:370px;border:1px solid #426076;position:absolute;right:-100px;top:-170px;border-radius:50%;box-shadow:0 0 0 70px #ffffff09,0 0 0 138px #ffffff05;pointer-events:none}.breadcrumbs{display:flex;gap:13px;align-items:center;font-size:11px;font-weight:700;color:#aebec7}.breadcrumbs a{text-decoration:none}.breadcrumbs a:hover{color:var(--yellow)}.location-title-row{display:flex;justify-content:space-between;align-items:end;margin-top:50px}.location-title-row .kicker{color:var(--yellow);margin-bottom:7px}.location-title-row h1{font-size:clamp(58px,8vw,100px);line-height:1.3;letter-spacing:-.09em;margin:0 0 8px}.location-title-row h1 small{font-size:.28em;letter-spacing:0;margin-left:14px;font-weight:750}.location-title-row p{color:#e1e9ed;letter-spacing:.04em;font-size:16px}.location-stamp{align-self:end;color:#456b80;border:2px solid #456b80;padding:12px 20px;font-family:Arial,sans-serif;font-size:28px;letter-spacing:.2em;font-weight:900;transform:rotate(-6deg);white-space:nowrap}.location-stamp span{display:block;text-align:center;font-size:8px;margin-top:7px;letter-spacing:.19em}.location-body{display:grid;grid-template-columns:250px minmax(0,1fr);gap:75px;padding-top:85px;padding-bottom:105px}.location-sidebar{border-right:1px solid #e2e7e6;padding-right:29px}.sidebar-sticky{position:sticky;top:116px}.sidebar-block{margin-bottom:43px}.sidebar-block h2{font-size:21px;letter-spacing:-.05em;margin:9px 0 15px}.year-buttons{display:flex;flex-direction:column;gap:8px}.year-button{display:flex;justify-content:space-between;align-items:center;width:100%;border:1px solid #d5e0e0;border-radius:3px;background:white;padding:11px 14px;color:#637580;text-align:left;cursor:pointer;font-size:14px;font-weight:750}.year-button .year-count{font-size:10px;color:#8d9da5}.year-button[aria-pressed="true"]{background:var(--navy);color:white;border-color:var(--navy)}.year-button[aria-pressed="true"] .year-count{color:#c6d4db}.year-button:hover:not([aria-pressed="true"]){border-color:var(--teal);color:var(--teal)}.other-locations{display:flex;flex-direction:column;gap:8px}.other-locations a{padding:5px 0;text-decoration:none;font-size:13px;color:#62717b;display:flex;justify-content:space-between}.other-locations a:hover{color:var(--teal)}.back-map{font-size:12px;font-weight:800;color:var(--teal);text-decoration:none}.location-intro{padding-bottom:62px;border-bottom:1px solid #dfe5e5}.location-intro h2{font-size:clamp(31px,3.3vw,44px);margin:0 0 20px;line-height:1.5;letter-spacing:-.065em}.location-intro p{font-size:15px;line-height:2.15;color:#536674;max-width:740px}.timeline-heading{margin:55px 0 31px;display:flex;justify-content:space-between;align-items:end}.timeline-heading h2{font-size:27px;margin:7px 0 0;letter-spacing:-.06em}.timeline-heading>span{font-size:11px;color:#6d7d87}.timeline{display:flex;flex-direction:column;gap:26px}.timeline-card{border:1px solid #e2e9e9;border-radius:6px;background:white;padding:30px 34px;box-shadow:0 12px 34px #203d4a07}.timeline-top{display:flex;justify-content:space-between;gap:15px;align-items:center;flex-wrap:wrap}.timeline-card h3{font-size:27px;letter-spacing:-.055em;line-height:1.45;margin:16px 0}.timeline-theme{font-size:13px;color:#596e7a;margin:0 0 18px}.timeline-section{margin-top:26px}.timeline-section h4{font-size:12px;font-weight:900;color:var(--navy);margin:0 0 13px;display:flex;align-items:center;gap:9px}.timeline-section h4:before{content:"";display:block;width:4px;height:16px;background:var(--yellow);border-radius:2px}.timeline-section p{font-size:13px;line-height:2;color:#506471;margin:0}.voice-panel{background:#f2f7f5;border:1px solid #e1ece9;padding:23px 24px;margin-top:24px;border-radius:3px}.voice-panel h4{font-size:15px;letter-spacing:-.03em;margin:0 0 15px;color:var(--navy)}.voice-grid{display:grid;grid-template-columns:1fr 1fr;gap:23px}.voice-grid h5{margin:0 0 8px;color:#166e73;font-size:12px}.voice-grid .request-title{color:#a66f39}.voice-grid ul{margin:0;padding-left:1.1em}.voice-grid li{font-size:12px;line-height:1.9;color:#455d68;margin:0 0 6px}.voice-source{border-top:1px solid #d4e1dd;margin:14px 0 0;padding-top:10px;color:#7a878d;font-size:10px;line-height:1.7}.empty-panel{background:#fff;padding:28px;border:1px dashed #c7d3d6;border-radius:5px;color:#677984;font-size:13px;line-height:1.9}.empty-panel h3{margin:0 0 12px;font-size:21px;color:var(--navy)}.timeline-footer{margin-top:20px;padding-top:17px;border-top:1px solid #e2eaea;display:flex;align-items:center;gap:15px;flex-wrap:wrap}.timeline-footer a{font-size:12px;font-weight:900;color:var(--teal);text-decoration:none}.timeline-footer a:hover{text-decoration:underline}.timeline-footer small{font-size:10px;color:#92a0a6}.next-location{border-top:1px solid #e2e8e8;padding:35px 0;background:#ecf1ef}.next-location .section-shell{display:flex;align-items:center;justify-content:space-between;gap:20px}.next-location p{font-size:15px;font-weight:800}
@media(max-width:1050px){.top-nav{gap:16px}.hero{grid-template-columns:51% 49%}.hero-copy{padding-left:26px}.intro{gap:35px}.location-body{gap:40px}.map-layout{grid-template-columns:1.2fr 1fr}.map-aside{padding:20px}.event-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.section-shell{padding-left:18px;padding-right:18px}.header-inner{height:68px;padding:0 18px}.brand img{width:38px;height:38px}.brand strong{font-size:18px}.brand small{font-size:7px}.top-nav{gap:10px}.top-nav a:not(.nav-cta){display:none}.top-nav .nav-cta{padding:10px 12px;font-size:11px}.hero{grid-template-columns:1fr;min-height:0}.hero-copy{max-width:none;padding:60px 20px 62px}.hero h1{font-size:57px;line-height:1.25}.hero-art{padding:50px 28px 48px;min-height:270px}.hero-art img{max-height:220px}.intro{grid-template-columns:1fr;padding-top:65px;padding-bottom:65px;gap:9px}.intro-right{padding-top:0}.map-section{padding:65px 0}.section-heading{align-items:stretch;flex-direction:column}.filter-box{width:100%;max-width:none}.map-layout{grid-template-columns:1fr}.map-card #map-root{min-height:340px}.map-aside{padding:23px}.location-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.location-item{padding:12px 3px}.location-item strong{font-size:14px}.location-item .place-chip{font-size:9px}.location-item .arrow{display:none}.event-grid{grid-template-columns:1fr}.events-section{padding-top:68px;padding-bottom:72px}.section-heading h2{font-size:33px}.join-inner{align-items:start;flex-direction:column}.join-inner h2{font-size:29px}.footer-inner{flex-direction:column;gap:20px}.location-hero{padding-bottom:52px}.location-title-row{margin-top:34px}.location-title-row h1{font-size:66px}.location-stamp{display:none}.location-body{grid-template-columns:1fr;gap:36px;padding-top:37px;padding-bottom:69px}.location-sidebar{border-right:none;border-bottom:1px solid #e2e7e6;padding:0 0 24px}.sidebar-sticky{position:static}.sidebar-block{margin-bottom:18px}.year-buttons{flex-direction:row;flex-wrap:wrap;gap:7px}.year-button{width:auto;min-width:94px;gap:12px}.other-locations{display:none}.sidebar-block:has(.other-locations){display:none}.back-map{display:inline-block;margin-top:7px}.location-intro{padding-bottom:28px}.timeline-heading{margin:34px 0 24px}.timeline-card{padding:22px 18px}.timeline-card h3{font-size:23px}.voice-grid{grid-template-columns:1fr;gap:17px}.voice-panel{padding:19px 17px}.next-location .section-shell{flex-direction:column;align-items:start}}
@media(max-width:410px){.hero h1{font-size:47px}.hero-eyebrow{font-size:9px}.hero-actions{flex-direction:column;align-items:stretch}.hero-art{min-height:245px}#map-root{padding:0}#map-root svg{max-height:365px}.location-list{grid-template-columns:1fr}.location-item .arrow{display:block}.map-topline{padding-left:16px;padding-right:16px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*:before,*:after{transition-duration:0s !important;animation-duration:0s !important}}

/* === Theme switch and accessible entrance animations (v3) === */
.theme-toggle{display:inline-flex;align-items:center;justify-content:center;gap:7px;flex-shrink:0;min-width:91px;min-height:40px;border-radius:100px;padding:8px 12px;border:1px solid #bdcbd1;background:#fff;color:#17364a;cursor:pointer;font-size:12px;font-weight:850;transition:background .2s,color .2s,border .2s,transform .2s}
.theme-toggle:hover{transform:translateY(-2px);border-color:#32858b;background:#edf7f5}
.theme-icon{font-size:20px;line-height:1}
.theme-toggle-text{white-space:nowrap}
.header-inner{gap:16px}
.top-nav{margin-left:auto;gap:23px}
@media(max-width:950px){.top-nav{gap:12px}}
@media(max-width:760px){.header-inner{gap:9px}.top-nav{margin-left:auto}.top-nav .nav-cta{padding:9px 10px}.theme-toggle{min-width:40px;width:40px;height:40px;padding:0}.theme-toggle-text{display:none}}
@media(max-width:410px){.brand small{max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.top-nav .nav-cta{font-size:10px}}

/* Motion is opt-in only after JS installs IntersectionObserver; content always remains readable without JS. */
@media(prefers-reduced-motion:no-preference){
 html.js-motion .reveal{transition:opacity .62s cubic-bezier(.2,.7,.2,1),transform .72s cubic-bezier(.19,1,.22,1);transition-delay:var(--reveal-delay,0ms);will-change:opacity,transform}
 html.js-motion .reveal:not(.is-visible){opacity:0;transform:translateY(26px)}
 html.js-motion .reveal.reveal-left:not(.is-visible){transform:translateX(-26px)}
 html.js-motion .reveal.is-visible{opacity:1;transform:translate(0,0)}
 .event-card,.timeline-card{transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
 .event-card:hover,.timeline-card:hover{transform:translateY(-4px);box-shadow:0 20px 45px rgba(20,42,57,.14)}
 #map-root svg .prefecture.is-active:hover,#map-root svg .prefecture.is-planned:hover{opacity:.92;filter:drop-shadow(0 0 9px rgba(244,185,35,.65))}
 .map-card svg{animation:map-appear .9s ease-out both}
 @keyframes map-appear{from{opacity:.25;transform:scale(.975)}to{opacity:1;transform:scale(1)}}
}

/* Explicit dark palette: logo illustration sits on a light canvas for accurate source colours. */
html[data-theme="dark"]{--ink:#e8f0f5;--muted:#afbfca;--line:#3c5262;--paper:#0d1b28;--white:#172c3c;--teal:#83d8d6;--shadow:0 18px 50px rgba(0,0,0,.25);background:#0d1b28;color:#e8f0f5;color-scheme:dark}
html[data-theme="dark"] .site-header{background:rgba(13,27,40,.96);border-color:#294355}
html[data-theme="dark"] .brand small{color:#b9cad4}
html[data-theme="dark"] .top-nav a:hover{color:#98e4df}
html[data-theme="dark"] .top-nav .nav-cta{background:#e6b850;color:#102638}
html[data-theme="dark"] .top-nav .nav-cta:hover{background:#ffcc69;color:#102638}
html[data-theme="dark"] .theme-toggle{background:#274355;border-color:#557083;color:#fff}
html[data-theme="dark"] .theme-toggle:hover{background:#30556b;border-color:#8cc9c7}
html[data-theme="dark"] .hero{background:#102737}
html[data-theme="dark"] .hero-art{background:#eef0eb} /* keeps user-provided brand SVG legible */
html[data-theme="dark"] .intro-right p,html[data-theme="dark"] .intro-right strong,html[data-theme="dark"] .section-heading>div:first-child>p{color:#c3d1d9}
html[data-theme="dark"] .kicker,html[data-theme="dark"] .eyebrow{color:#e5bb65}
html[data-theme="dark"] .map-section,html[data-theme="dark"] .next-location{background:#112736}
html[data-theme="dark"] .map-card,html[data-theme="dark"] .map-aside,html[data-theme="dark"] .filter-box,html[data-theme="dark"] .event-card,html[data-theme="dark"] .timeline-card,html[data-theme="dark"] .empty-panel{background:#192e3e;border-color:#385061;color:#e7f0f5}
html[data-theme="dark"] .map-topline strong,html[data-theme="dark"] .map-topline span,html[data-theme="dark"] .archive-label,html[data-theme="dark"] .timeline-heading>span{color:#b8cfdb}
html[data-theme="dark"] .filter-box select{background-color:#254254;background-image:url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20"%3E%3Cpath d="m5 7 5 5 5-5" stroke="%23daeef5" fill="none" stroke-width="2"/%3E%3C/svg%3E');color:#e8f0f5;border-color:#5e7887}
html[data-theme="dark"] .location-item,html[data-theme="dark"] .aside-heading,html[data-theme="dark"] .card-links,html[data-theme="dark"] .timeline-footer,html[data-theme="dark"] .location-intro,html[data-theme="dark"] .location-sidebar{border-color:#3b5262}
html[data-theme="dark"] .location-item:hover{background:#233e51}
html[data-theme="dark"] .location-item small,html[data-theme="dark"] .location-item .arrow,html[data-theme="dark"] .aside-note,html[data-theme="dark"] .year-hint,html[data-theme="dark"] .map-legend,html[data-theme="dark"] .loading{color:#afc2cf}
html[data-theme="dark"] .location-item .place-chip{background:#243f53;border-color:#5c7586;color:#dae5eb}
html[data-theme="dark"] .location-item .place-chip.is-published{background:#55421e;border-color:#b28b30;color:#ffe09b}
html[data-theme="dark"] .location-item .place-chip.is-planned{background:#50362c;border-color:#ad7969;color:#ffccb8}
html[data-theme="dark"] .event-card .theme,html[data-theme="dark"] .event-card .short-desc,html[data-theme="dark"] .location-intro p,html[data-theme="dark"] .timeline-theme,html[data-theme="dark"] .timeline-section p,html[data-theme="dark"] .timeline-footer small{color:#bacbd6}
html[data-theme="dark"] .date-label,html[data-theme="dark"] .event-card time{color:#b5c5d0}
html[data-theme="dark"] .card-links .primary-link,html[data-theme="dark"] .timeline-footer a,html[data-theme="dark"] .back-map,html[data-theme="dark"] .other-locations a{color:#8cddde}
html[data-theme="dark"] .timeline-section h4,html[data-theme="dark"] .empty-panel h3{color:#edf3f8}
html[data-theme="dark"] .button-outline,html[data-theme="dark"] .year-button{background:#1e3849;color:#dce7ee;border-color:#506b7d}
html[data-theme="dark"] .year-button .year-count{color:#bad0da}
html[data-theme="dark"] .year-button[aria-pressed="true"]{background:#e6ba53;color:#183246;border-color:#e6ba53}
html[data-theme="dark"] .year-button[aria-pressed="true"] .year-count{color:#3c5060}
html[data-theme="dark"] .year-button:hover:not([aria-pressed="true"]){color:#a8ebeb}
html[data-theme="dark"] .voice-panel{background:#183e43;border-color:#386567}
html[data-theme="dark"] .voice-grid h5{color:#a1eeeb}
html[data-theme="dark"] .voice-grid .request-title{color:#f0c191}
html[data-theme="dark"] .voice-grid li{color:#d5e7e8}
html[data-theme="dark"] .other-locations a:hover{color:#d8f6f5}
html[data-theme="dark"] .next-location,html[data-theme="dark"] .location-intro,html[data-theme="dark"] .voice-source{border-color:#3b5262}
html[data-theme="dark"] .join-strip{background:#4b3a22}
html[data-theme="dark"] .join-inner .kicker{color:#f0c97d}
html[data-theme="dark"] .join-inner p{color:#e9dbbd}
html[data-theme="dark"] .join-inner .button-primary{background:#efc768;color:#102b3c}
html[data-theme="dark"] .join-inner .button-primary:hover{background:#ffda7f}
html[data-theme="dark"] .site-footer{background:#081521}
html[data-theme="dark"] #map-root svg .prefecture:not(.is-active):not(.is-planned):not(.is-postponed)>path,html[data-theme="dark"] #map-root svg .prefecture:not(.is-active):not(.is-planned):not(.is-postponed)>polygon{fill:#9bafbb !important}
html[data-theme="dark"] .map-legend .muted{background:#9bafbb}
html[data-theme="dark"] .location-body .year-button{color:#deebf2}
html[data-theme="dark"] .location-body .year-button[aria-pressed="true"]{color:#102c3e}
@media(prefers-reduced-motion:reduce){html.js-motion .reveal,html.js-motion .reveal:not(.is-visible){opacity:1;transform:none;transition:none;will-change:auto}}

/* v4: structured event details */
.event-region{font-size:12px;font-weight:650;color:var(--muted,#70838b);margin-left:7px;white-space:nowrap}
.event-card-venue{font-size:12px;line-height:1.6;color:#677c85;padding-top:8px;margin-top:auto}
.event-overview{display:grid;grid-template-columns:1fr;gap:0;margin:23px 0 6px;border:1px solid #dce5e5;border-radius:6px;overflow:hidden;background:#f7f9f8}
.event-overview>div{display:grid;grid-template-columns:100px minmax(0,1fr);border-bottom:1px solid #dce5e5}
.event-overview>div:last-child{border-bottom:0}
.event-overview dt{font-size:12px;font-weight:850;color:#1e5369;background:#e9f1f2;padding:15px 12px}
.event-overview dd{margin:0;font-size:13px;line-height:1.75;color:#2b4657;padding:12px 15px;min-width:0;overflow-wrap:anywhere}
.event-overview dd strong{display:block;font-size:13px}
.event-overview dd span:not(.fiscal-note){display:block;font-size:12px;color:#5a7280}
.fiscal-note{font-size:11px;color:#a46e36;display:block;margin-top:4px}
.schedule-scroll{overflow-x:auto;border:1px solid #dde6e6;border-radius:5px}
.schedule-table{border-collapse:collapse;width:100%;font-size:13px;line-height:1.7}
.schedule-table th,.schedule-table td{text-align:left;padding:10px 14px;border-bottom:1px solid #e0e8e8;vertical-align:top}
.schedule-table thead{background:#eaf1f2;color:#214e61}
.schedule-table tbody tr:last-child>*{border-bottom:0}
.schedule-table tbody th{font-weight:800;color:#265b68;white-space:nowrap;width:156px}
.schedule-table tbody tr:nth-child(even){background:#f8faf9}
.timeline-section .source-note{font-size:11px;margin-top:11px;color:#687b85;line-height:1.8}
.connpass-cta{display:inline-flex;align-items:center;padding:11px 17px;border-radius:4px;background:#116f75;color:white!important;text-decoration:none!important;font-size:13px!important}
.connpass-cta:hover{background:#0e585e}
.event-permalink{font-size:12px;margin:20px 0 0}.event-permalink a{color:var(--teal);text-decoration:underline}
.card-links{flex-wrap:wrap}.card-links .connpass-card-link{color:var(--teal);font-weight:800}
.event-page-hero .location-title-row{margin-top:30px}.event-page-hero .location-title-row h1{font-size:clamp(35px,5vw,58px)}
.event-detail-layout{max-width:950px;padding-top:40px;padding-bottom:90px}
.event-detail-back{display:flex;justify-content:space-between;flex-wrap:wrap;gap:15px;margin-bottom:25px;font-size:13px;font-weight:800}
.event-detail-back a{color:var(--teal);text-decoration:none}
.event-detail-layout .timeline-card{padding:38px}
html[data-theme="dark"] .event-overview,html[data-theme="dark"] .schedule-scroll{background:#152839;border-color:#3a5060}
html[data-theme="dark"] .event-overview>div,html[data-theme="dark"] .schedule-table th,html[data-theme="dark"] .schedule-table td{border-color:#3a5060}
html[data-theme="dark"] .event-overview dt,html[data-theme="dark"] .schedule-table thead{background:#244354;color:#d6eff1}
html[data-theme="dark"] .event-overview dd,html[data-theme="dark"] .event-overview dd strong,html[data-theme="dark"] .schedule-table td{color:#d8e5ed}
html[data-theme="dark"] .event-overview dd span:not(.fiscal-note),html[data-theme="dark"] .event-card-venue,html[data-theme="dark"] .timeline-section .source-note{color:#a8bdc9}
html[data-theme="dark"] .schedule-table tbody tr:nth-child(even){background:#1e3545}
html[data-theme="dark"] .schedule-table tbody th{color:#a4e2e3}
@media(max-width:650px){.event-overview>div{grid-template-columns:88px minmax(0,1fr)}.event-overview dt{padding:12px 8px}.event-overview dd{padding:10px 11px}.schedule-table th,.schedule-table td{padding:9px}.schedule-table tbody th{width:110px;white-space:normal}.event-detail-layout .timeline-card{padding:22px 17px}}

/* Location-specific artwork: light surface preserves original monochrome logo in both themes. */
.location-emblem{width:clamp(172px,22vw,235px);aspect-ratio:1;align-self:center;flex:0 0 auto;padding:12px;background:#faf9f6;border:1px solid #e2e5e5;border-radius:50%;box-shadow:0 16px 42px rgba(6,17,31,.18);position:relative;z-index:1}
.location-emblem img{width:100%;height:100%;object-fit:contain}
@media(max-width:760px){.location-title-row{align-items:center;gap:18px}.location-emblem{display:flex;width:clamp(106px,31vw,150px);padding:7px}.location-title-row h1{font-size:clamp(43px,10vw,66px)}}
@media(max-width:410px){.location-emblem{width:100px;min-width:100px}.location-title-row h1{font-size:45px}}

/* Postponed events remain visible without implying they were held. */
.status-pill.postponed{background:#fff0e8;color:#943d29;border:1px solid #db9885}
.event-notice{background:#fff5ee;border:1px solid #edb39a;border-left:4px solid #cf7055;border-radius:4px;padding:13px 16px;color:#873d2c;font-weight:750;font-size:13px;line-height:1.9;margin:16px 0}
.location-item .place-chip.is-postponed{border-color:#e7a992;background:#fff0e8;color:#943d29}
html[data-theme="dark"] .event-notice{background:#322a28;border-color:#ad705d;color:#ffe1d3}

/* Distinguish postponed venues visually from ordinary planned venues (Copilot review #6). */
#map-root svg .prefecture.is-postponed{opacity:1;cursor:pointer}
#map-root svg .prefecture.is-postponed>path,#map-root svg .prefecture.is-postponed>polygon{fill:#b65c83 !important;stroke:#fff !important;stroke-width:1.5 !important;stroke-dasharray:3 2}
#map-root svg .prefecture.is-postponed:hover{filter:drop-shadow(0 0 8px rgba(182,92,131,.7))}
.map-legend>span[hidden]{display:none}
.legend-swatch.postponed{background:#b65c83;border:1px dashed #fff;outline:1px solid #934669}