:root{--ink:#17345b;--text:#26384d;--muted:#617086;--blue:#2b5aa3;--soft:#f0f5fc;--line:#dce5f0;--paper:#fff;--teal:#176d69;--violet:#72528c;--radius:18px;--max:1200px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;color:var(--text);background:#fff;font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",system-ui,sans-serif;font-size:16px;line-height:1.8;letter-spacing:.015em;-webkit-font-smoothing:antialiased}
button,a{-webkit-tap-highlight-color:transparent}
button{font:inherit;color:inherit;cursor:pointer}
a{color:var(--blue);text-underline-offset:4px}
a:hover{text-decoration-thickness:2px}
button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #2769ca;outline-offset:4px}
img{display:block;max-width:100%}
[hidden]{display:none!important}
h1,h2,h3,p{margin:0}
button:disabled{cursor:default}
.shell{max-width:var(--max);margin-inline:auto;padding-inline:28px}
.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}
.skip-link{position:fixed;top:12px;left:12px;padding:10px 18px;background:var(--ink);color:white;z-index:100;transform:translateY(-160%);border-radius:6px}
.skip-link:focus{transform:none}
.site-header{background:#fff;border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:88px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none;font-size:18px;font-weight:750;line-height:1.35;letter-spacing:.02em}
.brand img{flex:none;width:46px;height:46px;border-radius:50%;box-shadow:0 3px 14px #16345512}
.site-header nav{display:flex;align-items:center;gap:28px;font-size:14px;font-weight:650}
.site-header nav a{min-height:44px;display:flex;align-items:center;text-decoration:none}
.back-home{color:var(--muted)}
.header-contact{border:1px solid var(--line);border-radius:999px;padding:9px 20px;gap:20px;color:var(--ink)}
.header-contact:hover{border-color:var(--ink);background:var(--soft)}
.hero{background:linear-gradient(110deg,#f3f7fd 0%,#edf4fb 68%,#eaf2f9 100%);border-bottom:1px solid #e2ebf3;overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1.5fr 1fr;gap:35px;align-items:center;min-height:424px;padding-top:54px;padding-bottom:54px}
.eyebrow{display:flex;align-items:center;gap:9px;color:var(--blue);font-size:11px;font-weight:800;letter-spacing:.17em;line-height:1.6}
.eyebrow>span{width:7px;height:7px;background:#82b6be;border-radius:50%}
h1{margin-top:18px;color:var(--ink);font-size:clamp(30px,3.4vw,44px);line-height:1.55;letter-spacing:.045em;font-weight:780}
h1 span{color:#2c599a}
.hero-lead{margin-top:20px;font-size:17px;line-height:1.9;letter-spacing:.07em;color:#566b84}
.hero-jump{display:inline-flex;align-items:center;gap:30px;margin-top:26px;min-height:44px;font-size:14px;font-weight:750;text-decoration:none;color:var(--ink);border-bottom:1px solid #90a9ca}
.hero-jump span{font-size:21px;line-height:1}
.hero-art{height:310px;position:relative;max-width:400px;width:100%;justify-self:end}
.art-orbit{position:absolute;inset:0;aspect-ratio:1;border:1px solid #cbdceb;border-radius:50%}
.orbit-one{width:290px;left:52px;top:7px;transform:rotate(-15deg)}
.orbit-two{width:350px;top:-23px;left:22px;border-style:dashed;border-color:#d5e2ee}
.calendar-illustration{position:absolute;left:55px;top:32px;transform:rotate(-7deg);width:238px;height:220px;border-radius:15px;background:#fff;box-shadow:12px 20px 0 #d5e2f0,0 20px 35px #193a6114;border:1px solid #c9d8e8;padding:17px 21px 14px}
.calendar-rings{position:absolute;left:40px;right:40px;top:-10px;display:flex;justify-content:space-between}
.calendar-rings i{height:23px;width:7px;border:2px solid #3a5d87;background:#edf4fb;border-radius:7px}
.calendar-top{display:flex;justify-content:space-between;align-items:center;font-size:9px;font-weight:800;letter-spacing:.13em;border-bottom:1px solid var(--line);padding-top:4px;padding-bottom:11px;color:#527096}
.calendar-top i{width:7px;height:7px;border-radius:50%;background:#d4e298}
.calendar-symbols{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:13px;text-align:center;font-size:28px;color:#91aac5;line-height:1.5}
.calendar-symbols span:nth-child(3){color:#bdb2cc}
.calendar-symbols span:nth-child(4){color:#93bdbd}
.calendar-symbols .marked-symbol{border-radius:50%;background:#dfe9f6;color:#2e5e9c;font-size:25px;transform:rotate(7deg)}
.calendar-footer{border-top:1px solid var(--line);margin-top:12px;padding-top:10px;text-align:center;font-size:9px;color:#607997;letter-spacing:.13em}
.host-note{position:absolute;right:0;bottom:3px;display:grid;grid-template-columns:56px 1fr;gap:2px 11px;align-items:center;width:250px;padding:14px 18px 12px;background:#fffdf7;border:1px solid #e7e1d4;border-radius:12px;box-shadow:0 12px 25px #17345b0a;transform:rotate(4deg)}
.host-note img{grid-row:span 2;object-fit:cover;object-position:center 24%;border-radius:50%;height:56px;width:56px;border:3px solid #fff}
.host-note span{font-size:12px;font-weight:650;line-height:1.7;letter-spacing:.04em}
.host-note i{font-size:10px;font-style:normal;color:#7c7b71}
.art-spark{position:absolute;font-size:29px;color:#83adb6}
.spark-one{top:6px;right:26px}
.spark-two{left:10px;bottom:30px;color:#b4abc9}
.intro-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:27px;margin-bottom:38px;color:var(--muted);font-size:13px}
.intro-bar>p:first-child{display:flex;align-items:center;gap:9px}
.intro-dot{width:6px;height:6px;border-radius:50%;background:#7799a6;flex:none}
.last-updated{white-space:nowrap;font-variant-numeric:tabular-nums;font-size:12px;letter-spacing:.06em}
.schedule-layout{padding-bottom:70px;scroll-margin-top:24px}
.has-enhancement .schedule-layout{display:grid;grid-template-columns:344px minmax(0,1fr);gap:42px;align-items:start}
.schedule-sidebar{position:sticky;top:22px}
.calendar-panel{padding:20px 15px 16px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 10px 35px #1e3c6005}
.panel-eyebrow{color:#6c7b8e;font-size:12px;letter-spacing:.07em;margin-bottom:9px;padding-inline:6px}
.calendar-toolbar{display:flex;align-items:center;justify-content:space-between;gap:8px}
.calendar-toolbar h2{font-size:21px;line-height:1.4;font-weight:750;letter-spacing:.02em;color:var(--ink)}
.arrow-button{border:0;background:transparent;border-radius:50%;height:44px;min-width:44px;font-size:19px;color:#355378}
.arrow-button:not(:disabled):hover{background:var(--soft)}
.arrow-button:disabled{color:#b9c5d3}
.month-buttons{display:flex;gap:6px;justify-content:center;padding:12px 0 17px;border-bottom:1px solid var(--line);margin-bottom:13px}
.month-buttons button{border:1px solid var(--line);background:#fff;min-height:44px;min-width:68px;border-radius:8px;font-size:13px;color:#5c6e85;font-weight:650}
.month-buttons button[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink)}
.month-buttons button:hover:not([aria-pressed=true]){background:var(--soft);border-color:#aabed7}
#calendar-grid{overflow-x:auto}
.calendar-table{width:100%;min-width:308px;table-layout:fixed;border-collapse:collapse;text-align:center;font-variant-numeric:tabular-nums}
.calendar-table th{font-size:11px;font-weight:500;color:#74849a;height:28px}
.calendar-table th:first-child{color:#b27778}
.calendar-table th:last-child{color:#7391b9}
.calendar-table td{height:47px;padding:0;vertical-align:middle}
.calendar-day{display:flex;align-items:center;justify-content:center;flex-direction:column;position:relative;width:100%;min-width:44px;min-height:44px;background:none;border:1px solid transparent;border-radius:10px;font-size:13px;line-height:1.2}
.calendar-day.no-event{color:#8c98a6}
.calendar-day.has-event{color:var(--ink);font-weight:750;background:#eef4fc}
.calendar-day.has-event:hover{background:#dae8fa}
.calendar-day.is-today{border-color:#9bb5d5}
.calendar-day.is-selected{color:#fff;background:var(--blue)}
.calendar-day.is-selected:hover{background:#234b88}
.event-dots{display:flex;justify-content:center;gap:3px;margin-top:5px;height:4px}
.event-dots i{height:4px;width:4px;border-radius:50%;background:#537eb5}
.calendar-day.is-selected .event-dots i{background:#fff}
.calendar-hint{display:flex;align-items:center;gap:6px;margin-top:13px;font-size:10px;line-height:1.8;color:#6e7e93;letter-spacing:0}
.calendar-hint>span{height:5px;width:5px;flex:none;border-radius:50%;background:#537eb5}
.clear-date{margin-top:9px;width:100%;display:flex;justify-content:center;align-items:center;gap:15px;min-height:44px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--blue);font-size:12px}
.category-filter{border:0;padding:0;margin:24px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.category-filter legend{font-size:13px;font-weight:650;color:#64758c;margin-bottom:10px;letter-spacing:.05em}
.category-filter button{display:flex;align-items:center;gap:7px;min-height:46px;border:1px solid var(--line);background:#fff;border-radius:9px;padding:9px 13px;font-size:13px;font-weight:650;color:#59708d}
.category-filter button[aria-pressed=true]{border-color:#6489b6;background:#edf3fb;color:var(--ink)}
.category-filter button:hover{border-color:#789bc6}
.filter-count{margin-left:auto;font-size:11px;color:#718399;font-variant-numeric:tabular-nums}
.filter-dot{height:6px;width:6px;flex:none;border-radius:50%}
.class-dot{background:#4f7fb7}.experience-dot{background:#67a8a2}.conversation-dot{background:#b298bd}
.sidebar-note{display:flex;gap:10px;margin:25px 10px;color:#6e7e90;font-size:12px;line-height:1.9}
.sidebar-note>span{font-size:20px;color:#9bb7c4}
.month-group+.month-group{margin-top:42px}
.has-enhancement .month-group{margin-top:0}
.month-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 0 20px;padding-bottom:15px;border-bottom:2px solid #263e5e;color:var(--ink);font-size:14px;font-weight:550;line-height:1.4}
.month-heading strong{font-size:30px;font-weight:750;margin-left:4px;letter-spacing:.02em}
.month-count{color:#718097;font-size:12px;font-weight:500;white-space:nowrap}
.event-list{display:flex;flex-direction:column;gap:16px}
.event-card{display:grid;grid-template-columns:73px minmax(0,1fr);gap:21px;padding:24px 23px 23px 19px;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 5px 18px #17345b03;transition:border-color .15s ease}
.event-card:hover{border-color:#b4c6dc}
.event-date{text-align:center;align-self:start;padding-top:2px;color:var(--ink)}
.event-date time{display:flex;flex-direction:column;align-items:center;line-height:1.25}
.date-month{font-size:11px;font-weight:650;letter-spacing:.08em}
.event-date strong{font-family:Arial,sans-serif;font-size:44px;font-weight:600;letter-spacing:-.045em;line-height:1.2;margin-block:1px 4px}
.date-weekday{font-size:10px;color:#7588a0;letter-spacing:.06em}
.event-body{min-width:0}
.event-topline{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin:0 0 9px;font-size:10px;line-height:1.6}
.type{font-weight:700;padding:3px 8px;border-radius:5px;letter-spacing:.04em}
.type--class{color:#2d5b95;background:#eaf1fb}.type--experience{color:#216d68;background:#e7f3ef}.type--conversation{color:#78548c;background:#f3ecf5}
.area{color:#65768c;border-left:1px solid #d9e0e9;padding-left:8px;margin-left:2px;font-size:11px}
.price{margin-left:auto;font-size:11px;color:#5b708a;font-weight:650}
.price.is-free{color:#368074}
.ended{color:#6d7785;background:#f2f3f5;border-radius:4px;padding:2px 6px;font-size:10px}
.event-body h3{font-size:19px;line-height:1.65;color:var(--ink);letter-spacing:.025em;font-weight:750;overflow-wrap:anywhere}
.event-summary{margin-top:6px;color:#66768a;font-size:12px;line-height:1.85}
.event-meta{display:flex;flex-direction:column;gap:4px;margin-top:14px;color:#5c6e84;line-height:1.7;font-size:12px}
.event-time{font-size:14px;font-weight:650;font-variant-numeric:tabular-nums;color:#3b536f;letter-spacing:.025em}
.event-meta span[aria-hidden=true]{display:inline-block;min-width:15px;font-size:16px;color:#7e96b2;margin-right:5px;line-height:1;vertical-align:-1px}
.event-venue{overflow-wrap:anywhere}
.event-actions{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:6px 12px;margin-top:17px;padding-top:12px;border-top:1px solid #e8edf4}
.event-actions details{display:contents}
.event-actions summary{display:flex;align-items:center;gap:10px;cursor:pointer;min-height:44px;font-size:11px;font-weight:600;list-style:none;color:#5c7595}
.event-actions summary::-webkit-details-marker{display:none}
.event-actions summary span{font-size:15px;transition:transform .15s}
.event-actions details[open] summary span{transform:rotate(45deg)}
.event-details{flex-basis:100%;order:3;padding:11px 0 3px;font-size:12px;line-height:1.9;color:#566b86}
.event-address{font-weight:600;margin-bottom:7px}
.event-link{display:inline-flex;align-items:center;justify-content:space-between;gap:15px;min-height:44px;padding:9px 14px;border-radius:7px;background:#f0f5fc;color:#2f5892;font-size:11px;font-weight:750;text-decoration:none;line-height:1.5;margin-left:auto}
.event-link span[aria-hidden=true]{font-size:16px;font-weight:500}
.event-link:hover{background:#e3edfa;color:#173e74}
.results-status{font-size:12px;color:#6b7f96;margin-bottom:12px}
.schedule-note{font-size:11px;line-height:1.9;color:#718197;margin-top:27px;padding-inline:5px}
.noscript-note{font-size:13px;color:#5e718a;margin-bottom:25px}
.empty-state{padding:55px 30px;border:1px dashed #c4d1e1;border-radius:14px;text-align:center;background:#f9fbfe}
.empty-state>span{font-size:40px;color:#a5b9d2;line-height:1}
.empty-state h2{font-size:17px;color:var(--ink);margin:15px 0 8px}
.empty-state p{font-size:13px;color:var(--muted)}
.empty-state button{margin-top:22px;min-height:44px;border:1px solid #b7c8dd;border-radius:7px;background:#fff;padding:9px 16px;font-size:13px;color:var(--blue)}
.contact-strip{background:#f2f6fb;border-top:1px solid #e4ebf3;border-bottom:1px solid #e4ebf3;padding-block:46px}
.contact-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
.contact-strip h2{font-size:22px;line-height:1.6;color:var(--ink);margin:7px 0 5px;letter-spacing:.04em}
.contact-strip p:not(.eyebrow){font-size:13px;color:#64758b}
.contact-button{display:flex;align-items:center;justify-content:center;gap:30px;background:#244977;color:#fff;text-decoration:none;font-size:14px;font-weight:650;min-height:56px;padding:13px 25px;border-radius:10px;white-space:nowrap}
.contact-button:hover{background:#173a68}
.site-footer{padding:30px 0 22px}
.footer-inner{display:flex;align-items:center;flex-wrap:wrap;justify-content:space-between;gap:18px;font-size:11px;color:#78869a}
.footer-inner>p{font-weight:700;color:#526883;letter-spacing:.02em}
.footer-inner nav{display:flex;align-items:center;gap:23px;flex-wrap:wrap}
.footer-inner nav a{color:#64758b;text-decoration:none;min-height:44px;display:flex;align-items:center}
.footer-inner small{flex-basis:100%;font-size:9px;color:#8a97a9;letter-spacing:.03em}
@media(min-width:1001px){body:not(.has-enhancement) .schedule-content{max-width:850px;margin-inline:auto}}
@media(max-width:1100px){.has-enhancement .schedule-layout{gap:28px;grid-template-columns:332px minmax(0,1fr)}.calendar-panel{padding-inline:11px}.event-card{grid-template-columns:58px minmax(0,1fr);gap:15px;padding:22px 18px 20px 15px}.event-body h3{font-size:18px}.event-date strong{font-size:40px}.hero-art{transform:scale(.9);transform-origin:center right}}
@media(max-width:1000px){.has-enhancement .schedule-layout{grid-template-columns:1fr;gap:32px}.schedule-sidebar{position:static;display:grid;grid-template-columns:344px minmax(0,1fr);gap:0 30px;align-items:start}.calendar-panel{grid-row:span 2;padding-inline:15px}.category-filter{margin-top:3px}.sidebar-note{margin-top:20px}.hero-inner{min-height:390px;gap:12px}.hero-art{transform:scale(.85);height:300px}.hero-copy{z-index:1}h1{font-size:34px}.hero-lead{font-size:15px}.event-card{grid-template-columns:76px minmax(0,1fr);gap:22px;padding:25px}.event-date strong{font-size:44px}.event-body h3{font-size:20px}.event-actions{gap:8px 20px}.event-link{font-size:12px}.event-summary,.event-meta{font-size:13px}.event-details{font-size:13px}.event-actions summary{font-size:12px}}
@media(max-width:740px){.shell{padding-inline:22px}.header-inner{min-height:78px}.brand{font-size:14px;gap:8px}.brand img{width:38px;height:38px}.site-header nav{gap:14px}.back-home{display:none!important}.header-contact{font-size:11px;padding:7px 13px;gap:8px}.hero-inner{grid-template-columns:1fr;min-height:0;padding-top:38px;padding-bottom:30px;position:relative}.hero-copy{max-width:100%}h1{font-size:clamp(27px,5.2vw,37px);margin-top:14px;line-height:1.6;letter-spacing:.025em}.eyebrow{font-size:9px;letter-spacing:.12em}.hero-lead{margin-top:17px;font-size:14px;line-height:1.9}.hero-jump{margin-top:20px;font-size:12px;gap:20px}.hero-art{position:absolute;right:-17px;bottom:0;width:270px;height:240px;transform:scale(.57);transform-origin:bottom right;opacity:.95;pointer-events:none}.calendar-illustration{left:0}.orbit-one{left:0}.orbit-two{left:-30px}.host-note{right:-10px;bottom:-8px}.spark-one{right:-8px}.spark-two{left:-34px}.intro-bar{font-size:11px;margin-top:20px;margin-bottom:25px;align-items:flex-start;gap:10px}.last-updated{font-size:9px;margin-top:2px}.intro-dot{display:none}.schedule-sidebar{grid-template-columns:1fr 1fr;gap:0 20px}.calendar-panel{grid-column:span 2;max-width:380px;width:100%;justify-self:center;padding-inline:18px}.category-filter{grid-column:span 2;display:flex;flex-wrap:wrap;margin-top:20px;gap:7px}.category-filter legend{font-size:11px;margin-bottom:7px}.category-filter button{font-size:11px;min-height:44px;padding:8px 12px;flex:1;white-space:nowrap}.filter-count{font-size:10px}.sidebar-note{display:none}.has-enhancement .schedule-layout{gap:26px}.calendar-hint{font-size:10px}.month-heading{padding-bottom:13px;margin-bottom:17px;font-size:12px}.month-heading strong{font-size:27px}.month-count{font-size:11px}.event-card{grid-template-columns:57px minmax(0,1fr);gap:15px;padding:22px 19px 18px 15px}.event-date strong{font-size:38px}.event-body h3{font-size:17px;line-height:1.7}.event-summary{font-size:12px;line-height:1.9}.event-meta{font-size:12px;gap:6px;margin-top:12px}.event-time{font-size:13px}.event-topline{font-size:9px;gap:5px}.type{padding:3px 7px}.area,.price{font-size:10px}.event-actions{margin-top:12px;padding-top:9px;gap:4px 8px}.event-actions summary{font-size:10px;gap:6px}.event-link{font-size:10px;padding:8px 10px;gap:10px}.event-details{font-size:12px}.schedule-layout{padding-bottom:45px}.schedule-note{font-size:10px}.contact-inner{display:block}.contact-strip{padding-block:33px}.contact-strip h2{font-size:19px}.contact-strip p:not(.eyebrow){font-size:12px}.contact-button{margin-top:22px;font-size:13px;min-height:52px;gap:18px}.footer-inner{display:block}.footer-inner nav{font-size:10px;gap:20px;margin-top:10px}.footer-inner small{display:block;margin-top:15px}.footer-inner>p{font-size:11px}}
@media(max-width:380px){.shell{padding-inline:16px}.brand{font-size:12px}.brand img{width:33px;height:33px}.header-contact{font-size:10px;padding-inline:10px}.hero-art{transform:scale(.47);right:-21px;bottom:5px}.hero-lead{font-size:13px}.hero-jump{font-size:11px}.intro-bar{display:block}.last-updated{margin-top:6px}.calendar-panel{padding-inline:8px}.calendar-table{min-width:308px}.event-card{grid-template-columns:44px minmax(0,1fr);gap:10px;padding:18px 13px 15px 10px}.event-date strong{font-size:33px}.event-body h3{font-size:16px}.event-summary{font-size:11px}.event-link{margin-left:0}.event-actions{display:block}.event-actions details{display:block}.event-details{padding-bottom:12px}.event-actions summary{justify-content:space-between}.event-link{width:100%}.category-filter button{padding-inline:8px;font-size:10px;gap:5px}.filter-dot{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}
@media print{.site-header nav,.hero-art,.hero-jump,.schedule-sidebar,.contact-strip,.site-footer,.results-status,.event-actions{display:none!important}.hero{background:white}.hero-inner{display:block;min-height:0;padding-block:20px}.hero-lead{font-size:12px}.intro-bar{margin-block:10px}.has-enhancement .schedule-layout{display:block}.month-group[hidden],.event-card[hidden]{display:block!important}.event-card{break-inside:avoid;box-shadow:none}.month-heading{break-after:avoid}}

/* Keep the event descriptions and participation details comfortable to read. */
.event-summary,.event-details{font-size:16px;line-height:1.85}
.event-meta{font-size:14px}.event-time{font-size:15px}
.event-actions summary,.event-link{font-size:13px}
.event-topline,.type,.area,.price{font-size:12px}
.schedule-note{font-size:13px}.hero-lead{font-size:16px}
@media(max-width:740px){.event-summary,.event-details{font-size:15px}.event-meta{font-size:13px}.event-time{font-size:15px}.event-body h3{font-size:18px}.event-actions{display:block}.event-actions details{display:block}.event-actions summary{justify-content:space-between}.event-details{padding-bottom:14px}.event-link{width:100%;margin-top:7px}.event-topline,.type,.area,.price{font-size:11px}.event-card{grid-template-columns:48px minmax(0,1fr);gap:13px;padding:20px 16px 18px 12px}.price{margin-left:0}.event-date strong{font-size:37px}.calendar-hint{font-size:11px}}

.event-actions details{display:block;flex:1;min-width:0}
.event-actions details[open]{flex-basis:100%}
.event-actions details[open]~.event-link{margin-left:auto}