/* Reference-led Flat Design. The other nine studies remain separately selectable. */
.flat-only{display:none}.demo-bar{background:#f8faff;color:#4e6490;border-bottom:1px solid #e7ecf6;padding:0 22px;min-height:36px;font-size:11px}.demo-bar .quiet{color:#4e6490;font-size:12px;min-height:36px}.demo-bar b{font-size:12px}.demo-label{font-size:10px;margin-left:8px}.demo-info{color:#6d7890}.theme-studio{padding:18px 24px}.studio-caption h1{font-size:19px}
body[data-theme=flat]{background:#fff;color:#253c70}body[data-theme=flat] .flat-only{display:block}.experience[data-theme=flat]{--bg:#fcfdff!important;--surface:#fff!important;--ink:#243969!important;--accent:#507bbf!important;--radius:12px!important;grid-template-columns:206px minmax(0,1fr);min-height:calc(100vh - 36px);background:#fcfdff;font-size:14px}
.experience[data-theme=flat] .site-navigation{padding:24px 16px;gap:24px;border-right:1px solid #edf0f7;background:linear-gradient(#fff,#fbfdff);position:sticky;top:0;height:calc(100vh - 36px)}
.experience[data-theme=flat] .brand{padding:0;color:#517dbd;gap:9px;font-size:24px;font-weight:700;line-height:1.1}.experience[data-theme=flat] .brand b{font-size:24px}.experience[data-theme=flat] .brand-mark{background:none;color:#6494cc;font-size:36px;width:36px;border-radius:0}.experience[data-theme=flat] .brand-mark::after{content:'⚗';font-size:45px}.experience[data-theme=flat] .brand-mark{font-size:0}.experience[data-theme=flat] .nav-caption{display:none}
.experience[data-theme=flat] .site-navigation nav{gap:7px}.experience[data-theme=flat] .site-navigation nav button{padding:10px 12px;font-size:14px;min-height:44px;font-weight:500;color:#405380;border-radius:8px}.experience[data-theme=flat] .site-navigation nav button.active{color:#dd5894;background:#fcebf3}.experience[data-theme=flat] .site-navigation nav button>span{font-size:23px}.experience[data-theme=flat] .nav-foot{margin-top:0;font-size:12px;padding:16px 0}.sidebar-note{margin-top:auto;text-align:center;padding:26px 0 8px;border-top:1px solid #eef1f7;color:#5f83c3}.sidebar-note p{font-family:serif;font-size:17px;line-height:1.8;font-style:italic;margin-bottom:20px}.sidebar-note small{letter-spacing:.12em;font-size:12px}
.experience[data-theme=flat] main{padding:0 16px 18px;max-width:1700px;margin:0 auto}.flat-topbar{height:60px;display:flex!important;align-items:center;gap:20px;justify-content:flex-end;padding:6px 8px 6px 0}.search-box{display:flex;align-items:center;gap:8px;border:1px solid #ebeff8;background:#f4f7fd;border-radius:8px;width:43%;margin-right:20px;padding:7px 12px;color:#7990b5}.search-box input{border:0;background:transparent;outline-offset:6px;width:100%;font-size:12px;color:#304777;height:24px}.search-box input::placeholder{color:#889dc1}.search-box>span{font-size:24px;line-height:1}.top-notice,.top-profile{background:none;border:0;font-size:13px;display:flex;align-items:center;gap:8px;padding:0}.top-notice{font-size:25px;border-left:1px solid #edf0f7;padding-left:20px}.mini-face{display:inline-block;width:30px;height:30px;border-radius:50%;background:url('./assets/flat-hero.png') 20% 30%/600% auto}.experience[data-theme=flat][data-view=home] .page-heading{display:none}.experience[data-theme=flat]:not([data-view=home]) .page-heading{padding:10px 0 20px;margin:0}.experience[data-theme=flat] .page-heading h2{font-size:22px}
.experience[data-theme=flat] .home-grid{display:grid;grid-template-columns:1.12fr 1.15fr .86fr;gap:12px;align-items:start}.experience[data-theme=flat] .hero{position:relative;display:block;padding:0;min-height:0;background:#edf5fd;border-radius:12px;grid-column:1/-1;overflow:hidden;color:#32517b}.experience[data-theme=flat] .hero>div:not(.flat-visual){display:none}.flat-visual{position:relative;width:100%;aspect-ratio:3.4}.flat-visual>img{display:block;width:100%;height:100%;object-fit:cover;object-position:center 40%}.hero-sayings,.hero-labels{position:absolute;left:0;width:100%;display:grid;grid-template-columns:repeat(6,1fr);text-align:center}.hero-sayings{top:10px;color:#536a9e;font:italic 16px/1.4 serif;letter-spacing:.1em}.hero-sayings>span{transform:rotate(-7deg);text-shadow:0 1px 3px white,0 0 10px white}.hero-sayings>span:nth-child(1){color:#da6b96}.hero-sayings>span:nth-child(2){color:#b7793c}.hero-sayings>span:nth-child(3){color:#558dca}.hero-sayings>span:nth-child(4){color:#9b6bc0}.hero-sayings>span:nth-child(5){color:#529b8b}.hero-labels{bottom:10px;place-items:center}.hero-labels span{background:#ffffffed;border:2px solid #ffffff;border-radius:9px;padding:4px 10px;box-shadow:0 3px 10px #7683a12a;font:bold 15px 'Space Grotesk',sans-serif;color:#698abd;transform:rotate(-6deg)}.hero-labels span:nth-child(1){color:#df75a6}.hero-labels span:nth-child(2){color:#d69348}.hero-labels span:nth-child(4){color:#a578ce}.hero-labels span:nth-child(5){color:#56a38c}.flat-mobile-copy{display:none}
.experience[data-theme=flat] .interest-section{padding:0;grid-column:1/-1}.experience[data-theme=flat] .interest-section>.section-heading{display:none}.experience[data-theme=flat] .mascots{gap:10px;grid-template-columns:repeat(6,minmax(0,1fr))}.experience[data-theme=flat] .mascot-card{position:relative;height:166px;background:var(--tile);border:0;border-radius:12px;overflow:hidden;color:var(--tone);box-shadow:none}.experience[data-theme=flat] .portrait{position:absolute;top:0;right:0;width:85%;height:106px;background:url('./assets/flat-hero.png') var(--face) 29%/600% auto;mask-image:linear-gradient(to right,transparent,#000 30%);opacity:.95}.experience[data-theme=flat] .portrait img{display:none}.experience[data-theme=flat] .mascot-caption{position:absolute;left:0;right:0;top:95px;padding:0 12px;z-index:1}.experience[data-theme=flat] .mascot-caption small{display:none}.experience[data-theme=flat] .mascot-caption b{font-size:15px;font-weight:700;white-space:nowrap}.experience[data-theme=flat] .mascot-caption>span{display:grid;place-items:center;top:41px;right:9px;width:23px;height:23px;background:var(--tone);color:white;border:1px solid white;border-radius:50%;font-size:20px;opacity:.65}.interest-icon{position:absolute;top:22px;left:12px;width:44px;height:44px;line-height:42px;border-radius:50%;background:#ffffffbb;font-size:28px;text-align:center;color:var(--tone);box-shadow:0 1px 15px #ffffff80}.interest-copy{position:absolute;left:12px;bottom:11px;font-size:11px;line-height:1.5;text-align:left}
.experience[data-theme=flat] .feed-section,.experience[data-theme=flat] .event-section,.experience[data-theme=flat] .member-section,.experience[data-theme=flat] .gallery-section{border:1px solid #eaf0f8;border-radius:12px;box-shadow:0 2px 10px #b0bfdc0d;background:white;padding:12px;margin:0}.experience[data-theme=flat] .feed-section{grid-column:1;grid-row:3/5}.experience[data-theme=flat] .event-section{grid-column:2;grid-row:3/5}.experience[data-theme=flat] .member-section{grid-column:3;grid-row:3}.experience[data-theme=flat] .gallery-section{grid-column:3;grid-row:4}.experience[data-theme=flat] .section-heading{margin:0 0 10px;padding:0;gap:5px}.experience[data-theme=flat] .section-heading h3{font-size:16px;color:#263969}.experience[data-theme=flat] .section-heading .subtle,.experience[data-theme=flat] .section-heading .eyebrow{font-size:10px;color:#6682ba}.experience[data-theme=flat] .post-card{border:0;border-bottom:1px solid #eff2f8;border-radius:0;padding:7px 0 10px 8px;margin:0 0 8px;position:relative}.experience[data-theme=flat] .post-card::before{content:'';position:absolute;left:0;top:6px;bottom:8px;width:3px;background:#f6b1d1;border-radius:3px}.experience[data-theme=flat] .post-card:nth-child(2)::before{background:#f9d79e}.experience[data-theme=flat] .post-card:nth-child(3)::before{background:#9dcbfa}.experience[data-theme=flat] .post-card header{font-size:12px;gap:8px}.experience[data-theme=flat] .post-card header small{display:inline;font-size:10px;margin-left:7px}.experience[data-theme=flat] .post-card .member-avatar{width:38px;height:38px;font-size:0;background:url('./assets/flat-hero.png') var(--face) 24%/600% auto}.experience[data-theme=flat] .post-tag{display:none}.experience[data-theme=flat] .post-body{font-size:13px;line-height:1.75;margin:4px 0 4px 46px}.experience[data-theme=flat] .post-actions{border:0;padding:0;margin-left:44px;gap:12px}.experience[data-theme=flat] .post-actions button{font-size:11px;min-height:32px}.experience[data-theme=flat] .post-actions button:first-child{color:#d65b92}.experience[data-theme=flat] .comments{margin-left:5px}.experience[data-theme=flat] .comments input{font-size:12px;width:60%}
.flat-event-list>button{background:none;border:0;border-bottom:1px solid #eff2f8;display:flex;gap:12px;text-align:left;padding:8px 0;width:100%;align-items:center}.flat-event-list .date{display:block;min-width:55px;padding:8px 3px;border-radius:9px;font:bold 21px 'Space Grotesk',sans-serif;text-align:center}.date small{font:12px 'Noto Sans JP',sans-serif}.pink{background:#fce7f1;color:#bc4c82}.blue{background:#e5f2ff;color:#3a7cca}.green{background:#e3f7ed;color:#2a9272}.flat-event-list b{display:block;font-size:12px;line-height:1.4;margin-bottom:4px}.flat-event-list small{font-size:10px;color:#667b9f}.flat-event-list em{font-style:normal;font-size:10px;display:block;color:#62769b;margin-top:3px}.experience[data-theme=flat] .event-poster{display:none}.experience[data-theme=flat] .event-body{padding:8px 0 0}.experience[data-theme=flat] .event-body>p:first-child{display:none}.experience[data-theme=flat] .attendee-line{margin:5px 0 8px;gap:8px;font-size:11px}.experience[data-theme=flat] .rsvp{gap:4px}.experience[data-theme=flat] .rsvp button{font-size:11px;min-height:32px;padding:5px 3px;border-color:#dbe5f2;border-radius:6px}.experience[data-theme=flat] #rsvp-status{font-size:10px;margin-top:5px}.experience[data-theme=flat] .member-list{display:grid;grid-template-columns:1fr;gap:8px}.experience[data-theme=flat] .member-row{font-size:11px;gap:8px}.experience[data-theme=flat] .member-row small{font-size:9px;margin-top:2px}.experience[data-theme=flat] .member-row .member-avatar{width:28px;height:28px;font-size:11px}.experience[data-theme=flat] .gallery-cover img{height:90px;object-fit:cover;border-radius:8px}.experience[data-theme=flat] .gallery-cover>span{display:none}.experience[data-theme=flat] .gallery-section>.subtle{font-size:10px;margin-top:6px}.topics{margin-top:12px}.topics h3{font-size:15px;margin-bottom:5px}.topics button{display:flex;justify-content:space-between;width:100%;background:none;border:0;font-size:10px;text-align:left;min-height:26px;padding:3px 0;color:#62759b}.topics button span{margin-left:5px}.experience[data-theme=flat] .site-footer{margin-top:18px;font-size:10px}.experience[data-theme=flat] .site-footer .quiet{font-size:10px}
body[data-theme=flat] .mobile-bottom{display:none}.experience[data-theme=flat]:not([data-view=home]) .home-grid{display:block}.experience[data-theme=flat]:not([data-view=home]) .post-body{font-size:16px}.experience[data-theme=flat]:not([data-view=home]) .post-card{padding:16px}.experience[data-theme=flat]:not([data-view=home]) .flat-event-list b{font-size:16px}.experience[data-theme=flat]:not([data-view=home]) .flat-event-list small,.experience[data-theme=flat]:not([data-view=home]) .flat-event-list em{font-size:13px}.experience[data-theme=flat]:not([data-view=home]) .member-row{font-size:16px}.experience[data-theme=flat]:not([data-view=home]) .member-row small{font-size:13px}
@media(min-width:1550px){.experience[data-theme=flat] .flat-visual{aspect-ratio:3.6}.experience[data-theme=flat] .mascot-card{height:190px}.experience[data-theme=flat] .portrait{height:125px}.experience[data-theme=flat] .mascot-caption{top:116px}.experience[data-theme=flat] .post-body{font-size:15px}.experience[data-theme=flat] .post-card header{font-size:14px}.flat-event-list b{font-size:14px}.flat-event-list small,.flat-event-list em{font-size:12px}.experience[data-theme=flat] .member-row{font-size:13px}}
@media(max-width:1050px) and (min-width:701px){.experience[data-theme=flat]{grid-template-columns:170px minmax(0,1fr)}.experience[data-theme=flat] .brand,.experience[data-theme=flat] .brand b{font-size:19px}.experience[data-theme=flat] .home-grid{grid-template-columns:1fr 1fr}.experience[data-theme=flat] .feed-section{grid-column:1;grid-row:3/5}.experience[data-theme=flat] .event-section{grid-column:2;grid-row:3}.experience[data-theme=flat] .member-section{grid-column:2;grid-row:4}.experience[data-theme=flat] .gallery-section{grid-column:1/-1;grid-row:5}.experience[data-theme=flat] .mascot-caption b{font-size:12px}.experience[data-theme=flat] .mascot-caption{padding:0 6px}.interest-copy{font-size:9px;left:6px}.hero-sayings{font-size:12px}.hero-labels span{font-size:11px;padding:3px 5px}.experience[data-theme=flat] .mascots{gap:6px}.experience[data-theme=flat] .portrait{height:105px;width:100%}.experience[data-theme=flat] .site-navigation{flex-direction:column;flex-wrap:nowrap}.experience[data-theme=flat] .site-navigation nav{flex-direction:column}.experience[data-theme=flat] .site-navigation nav button{justify-content:flex-start}.experience[data-theme=flat] .site-navigation nav button>span{display:block}.experience[data-theme=flat] .brand br{display:block}.experience[data-theme=flat] .brand span:last-child{display:block!important}.experience[data-theme=flat] .nav-foot{display:none}.search-box{width:65%;margin:0}.top-notice{display:none}.flat-topbar{gap:12px}.experience[data-theme=flat] .interest-section{grid-column:1/-1}}
@media(max-width:700px){.demo-bar{padding:0 12px;gap:7px;min-height:30px}.demo-bar b,.demo-info{display:none}.demo-label{margin:0;border:0;padding:0;font-size:10px}.demo-bar .quiet{font-size:10px;min-height:30px;padding:0 4px}.demo-bar>span:first-child{margin-right:auto}.theme-studio{padding:12px}.studio-caption{display:none}.theme-options button>span:last-child{font-size:10px}.options-bottom>span{font-size:10px}
.experience[data-theme=flat]{display:block;min-height:100vh}.experience[data-theme=flat] .site-navigation{height:66px;position:relative;flex-direction:row;padding:12px 16px;align-items:center;border:0;border-bottom:1px solid #eff2f8;gap:0}.experience[data-theme=flat] .brand{font-size:19px;gap:7px}.experience[data-theme=flat] .brand b{font-size:19px}.experience[data-theme=flat] .brand br{display:none}.experience[data-theme=flat] .brand span:last-child{display:flex!important;gap:4px}.experience[data-theme=flat] .brand-mark{width:30px;height:35px}.experience[data-theme=flat] .brand-mark::after{font-size:33px}.experience[data-theme=flat] .site-navigation nav,.experience[data-theme=flat] .nav-foot,.experience[data-theme=flat] .sidebar-note{display:none}.experience[data-theme=flat] main{padding:0 12px 85px}.flat-topbar{height:44px;gap:6px;padding:4px 0}.search-box{width:100%;margin:0;padding:1px 9px;background:#f7f9fd}.search-box input{font-size:11px;height:26px}.top-notice,.top-profile{display:none}.experience[data-theme=flat] .home-grid{display:flex;flex-direction:column;gap:14px}.experience[data-theme=flat] .home-grid>section{width:100%}.experience[data-theme=flat] .hero{border-radius:0;margin:0 -12px;width:calc(100% + 24px)!important;background:#f4f9ff}.flat-visual{aspect-ratio:auto;padding-top:130px;height:auto}.flat-visual>img{height:auto;width:100%;object-fit:contain}.flat-mobile-copy{display:block;position:absolute;left:0;top:8px;width:100%;text-align:center;padding:10px 18px}.experience[data-theme=flat] .flat-mobile-copy h2{font:italic 28px/1.4 serif;letter-spacing:.12em;color:#385790;margin:0 0 10px}.experience[data-theme=flat] .flat-mobile-copy p{font-size:9px;line-height:1.4;margin:0;color:#3c5f93}.hero-sayings,.hero-labels{display:none}.experience[data-theme=flat] .mascots{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.experience[data-theme=flat] .mascot-card{height:74px;border-radius:10px;display:flex;align-items:center;padding:10px 6px;gap:7px}.experience[data-theme=flat] .portrait,.experience[data-theme=flat] .interest-copy{display:none}.experience[data-theme=flat] .mascot-caption{position:static;padding:0;margin-left:40px}.experience[data-theme=flat] .mascot-caption b{font-size:12px;white-space:normal;line-height:1.65;display:block;word-break:keep-all}.experience[data-theme=flat] .mascot-caption>span{display:none}.interest-icon{left:8px;top:21px;background:transparent;box-shadow:none;width:30px;height:30px;font-size:27px;line-height:30px}.experience[data-theme=flat] .feed-section{padding:6px 0;border:0;box-shadow:none}.experience[data-theme=flat] .section-heading{margin-bottom:10px}.experience[data-theme=flat] .section-heading h3{font-size:18px}.experience[data-theme=flat] .post-card{border:1px solid #edf1f7;border-radius:10px;padding:12px 10px;margin-bottom:10px}.experience[data-theme=flat] .post-card::before{display:none}.experience[data-theme=flat] .post-body{font-size:14px;margin:5px 0 3px 46px;line-height:1.8}.experience[data-theme=flat] .post-card header{font-size:13px}.experience[data-theme=flat] .post-actions button{font-size:12px;min-height:38px}.experience[data-theme=flat] .post-card .member-avatar{width:38px;height:38px}.experience[data-theme=flat] .event-section,.experience[data-theme=flat] .member-section,.experience[data-theme=flat] .gallery-section{padding:14px}.flat-event-list b{font-size:14px}.flat-event-list em,.flat-event-list small{font-size:11px}.experience[data-theme=flat] .rsvp button{min-height:44px;font-size:13px}.experience[data-theme=flat] .member-row{font-size:14px}.experience[data-theme=flat] .member-row small{font-size:11px}.topics button{font-size:12px;min-height:36px}
body[data-theme=flat] .mobile-bottom{position:fixed;bottom:0;left:0;right:0;display:flex;align-items:center;justify-content:space-around;background:#fffffff5;border-top:1px solid #e8edf5;backdrop-filter:blur(12px);height:72px;padding-bottom:env(safe-area-inset-bottom);z-index:30;color:#5b6e95}.mobile-bottom button{background:none;border:0;padding:4px;min-width:56px;min-height:52px;font-size:25px;line-height:1.1}.mobile-bottom small{font-size:9px;margin-top:5px}.mobile-bottom button.active{color:#e3659b}.mobile-bottom #mobile-post{width:53px;height:53px;min-width:53px;border-radius:50%;background:#ef83b0;color:white;font-size:36px;box-shadow:0 0 0 5px white;transform:translateY(-6px)}#toast{bottom:85px}.experience[data-theme=flat] .site-footer{margin-top:12px}.experience[data-theme=flat] .page-heading{padding:6px 0 16px!important}.experience[data-theme=flat] .page-heading .eyebrow{display:none}.experience[data-theme=flat] .page-heading h2{font-size:20px}.experience[data-theme=flat] .page-heading .primary{font-size:12px}
}
.brand-mark svg{width:36px;height:40px}.experience[data-theme=flat] .brand-mark::after{content:none}.site-navigation nav svg{width:22px;height:24px;flex-shrink:0}.interest-icon svg{width:28px;height:30px;vertical-align:middle}.top-notice svg{width:24px;height:26px}.mobile-bottom svg{width:22px;height:24px}.experience[data-theme=flat] #sidebar-post{display:flex;font-size:12px;background:#fcebf3;color:#ca568c;margin-top:12px;gap:12px}.experience[data-theme=flat] .site-navigation nav button{white-space:nowrap}.experience[data-theme=flat][data-contrast=true]{--bg:#000!important;--surface:#000!important;--ink:#fff!important;--accent:#ffeb00!important}.experience[data-theme=flat][data-contrast=true] .post-body,.experience[data-theme=flat][data-contrast=true] .section-heading h3,.experience[data-theme=flat][data-contrast=true] .flat-event-list button{color:#fff!important}.experience[data-theme=flat][data-contrast=true] .mascot-card{background:#000!important;color:#fff!important;border:1px solid white}.experience[data-theme=flat][data-contrast=true] .interest-copy{color:white}.experience[data-theme=flat][data-contrast=true] .interest-icon{color:#ffeb00}
@media(max-width:700px){.experience[data-theme=flat] .mascot-caption{margin-left:34px;min-width:0;flex:1}.experience[data-theme=flat] .mascot-caption b{font-size:11px;word-break:normal;line-height:1.5}.experience[data-theme=flat] .mascot-caption b wbr::after{content:""}.experience[data-theme=flat] .mascot-card{padding-right:4px}.experience[data-theme=flat] .interest-icon{left:6px;width:28px}.experience[data-theme=flat] .interest-icon svg{width:25px}}