@charset "utf-8";
:root{--navy:#0a183d;--blue:#225db8;--cyan:#9bd9f5;--gold:#ffdc5b;--ink:#182341;--muted:#5e6b83;--line:#dce3ee;--pale:#f3f6fb;--container:1160px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:105px}
body{margin:0;color:var(--ink);font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;text-underline-offset:5px}
a:hover{text-decoration:underline}
a,button{-webkit-tap-highlight-color:transparent}
a:focus-visible,button:focus-visible{outline:3px solid #b77d00;outline-offset:5px}
img{display:block;max-width:100%;height:auto}
button{font:inherit}
p,h1,h2,h3{margin:0}
.container{width:min(var(--container),calc(100% - 80px));margin-inline:auto}
.skip-link{position:fixed;left:12px;top:-100px;z-index:100;background:white;padding:10px 20px}
.skip-link:focus{top:12px}
.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}
.header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.98);border-bottom:1px solid var(--line)}
.header-inner{min-height:91px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:15px;line-height:1.4}
.brand:hover{text-decoration:none}
.brand img{width:62px;height:auto}
.brand b{display:block;font-size:22px;letter-spacing:.03em}
.brand-year{font-size:15px;letter-spacing:.08em}
.brand small{display:block;margin-top:5px;font-size:11px;color:var(--muted)}
nav{display:flex;align-items:center;gap:26px;font-size:13px;font-weight:700}
.nav-apply{background:var(--navy);color:white;padding:11px 19px}
.nav-apply span{margin-left:12px}
.menu-toggle{background:none;border:1px solid var(--line);padding:8px 12px;color:var(--ink);font-size:13px}
.hero{position:relative;isolation:isolate;color:white;background:var(--navy) url('../images/future-city.png') center 60%/cover no-repeat}
.hero:before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(5,17,52,.97) 0%,rgba(5,17,52,.87) 42%,rgba(5,17,52,.3) 100%),linear-gradient(0deg,rgba(5,17,52,.85),transparent 50%)}
.hero-content{padding-block:65px 56px}
.eyebrow{font-size:12px;letter-spacing:.15em;font-weight:700;color:var(--blue);line-height:1.6}
.hero .eyebrow{color:var(--cyan);letter-spacing:.06em;font-size:14px}
.hero-host{font-size:14px;letter-spacing:.04em;margin-top:12px;color:#dfe9fb}
h1{font-size:clamp(30px,4.1vw,56px);font-weight:750;line-height:1.48;letter-spacing:.035em;margin-top:30px}
.hero-subtitle{font-size:clamp(14px,1.9vw,23px);font-weight:700;color:var(--gold);margin-top:18px}
.hero-date{display:flex;align-items:baseline;gap:22px;margin-top:28px;line-height:1.3}
.date-year{font-size:20px;font-weight:700;border-top:2px solid var(--cyan);padding-top:8px;align-self:center}
.hero-date time{font-size:78px;letter-spacing:-.035em;font-weight:700;font-family:Arial,sans-serif}
.date-slash{font-weight:400;padding:0 2px;color:var(--cyan)}
.hero-date time small{font-family:"Yu Gothic",Meiryo,sans-serif;font-size:22px;letter-spacing:0;margin-left:8px}
.hero-time{font-size:26px;letter-spacing:.02em}
.hero-time small{display:block;font-size:10px;color:#d0ddf2;letter-spacing:.05em}
.hero-venue{margin-top:16px;font-size:14px;line-height:1.8}
.hero-venue strong{font-size:17px}
.hero-bottom{display:flex;align-items:center;gap:30px;margin-top:28px;flex-wrap:wrap}
.badges{display:flex;gap:8px;flex-wrap:wrap}
.badges span{font-size:12px;padding:4px 13px;border:1px solid #abc5e5;border-radius:30px}
.badges span:first-child{color:var(--gold);border-color:var(--gold)}
.button{display:inline-flex;align-items:center;justify-content:space-between;gap:26px;min-height:52px;padding:12px 25px;font-size:14px;font-weight:700;line-height:1.6;transition:background .2s,transform .2s}
.button:hover{text-decoration:none;transform:translateY(-2px)}
.button-gold{background:var(--gold);color:var(--navy)}
.button-gold:hover{background:#ffeb9b}
.button-outline{border:1px solid var(--blue);color:var(--blue)}
.button-outline:hover{background:#e8f0fb}
.hero-caption{position:absolute;right:24px;bottom:26px;writing-mode:vertical-rl;font-size:10px;letter-spacing:.18em;color:#c2dcf5}
.event-strip{background:#edf2fa;border-bottom:1px solid var(--line)}
.strip-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:22px;font-size:14px}
.strip-label{font-size:11px;font-weight:700;color:white;background:var(--blue);padding:4px 8px;margin-right:12px}
.strip-inner strong{font-size:17px}
.strip-divider{margin-inline:12px;color:#b2bfd1}
.strip-inner>a{font-size:12px;color:var(--blue);border-bottom:1px solid var(--blue);font-weight:700;white-space:nowrap}
.strip-inner>a span{margin-left:12px}
.section{padding-block:94px}
.section-heading h2{font-size:30px;letter-spacing:.04em;line-height:1.5;margin-top:10px}
.heading-rule{display:block;width:40px;height:3px;background:var(--blue);margin-top:28px}
.heading-note{font-size:14px;margin-top:24px;color:var(--muted);line-height:2}
.about-layout,.access-layout{display:grid;grid-template-columns:1fr 2.25fr;gap:60px}
.about-copy .lead{font-size:27px;font-weight:700;line-height:1.7;margin-bottom:26px;letter-spacing:.02em}
.about-copy>p:not(.lead){font-size:15px;line-height:2.15;margin-bottom:20px}
.text-link{color:var(--blue);font-size:13px;font-weight:700;border-bottom:1px solid var(--blue);display:inline-block;line-height:1.8;padding-bottom:5px}
.text-link span{margin-left:10px}
.about-copy>.text-link{margin-top:10px}
.program{background:var(--pale)}
.section-top{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:36px}
.section-side{font-size:13px;color:var(--muted);text-align:right;line-height:1.7}
.schedule{border-top:2px solid var(--blue)}
.schedule-row{display:grid;grid-template-columns:138px minmax(0,1fr) 62px;gap:28px;padding:34px 28px;background:white;border-bottom:1px solid var(--line)}
.schedule-time{display:flex;flex-direction:column;align-items:flex-start;line-height:1.5;color:var(--blue)}
.schedule-time time{font-size:28px;font-weight:700;letter-spacing:.02em;font-family:Arial,sans-serif}
.schedule-time>span:not(.talk-label){font-size:16px;font-family:Arial,sans-serif}
.schedule-time .talk-label{font-size:11px;color:white;background:var(--blue);padding:3px 12px;margin-top:14px;border-radius:3px}
.talk h3{font-size:21px;font-weight:700;line-height:1.65;letter-spacing:.015em}
.speaker{margin-top:18px;font-size:16px;font-weight:700;line-height:1.7}
.speaker small{font-size:13px;font-weight:400}
.affiliation{margin-top:5px;font-size:13px;color:var(--muted);line-height:1.8}
.talk-number{font-size:44px;line-height:1.2;color:#e4eaf3;font-family:Arial,sans-serif}
.talk-subtitle{font-size:14px;margin-top:8px;color:var(--muted)}
.compact{padding-block:18px;align-items:center;background:#e8eef8;grid-template-columns:138px minmax(0,1fr)}
.compact time{font-size:22px;color:var(--blue);font-weight:700;font-family:Arial,sans-serif}
.compact h3{font-size:18px;font-weight:700}
.reception{display:flex;justify-content:space-between;gap:20px;align-items:center;border:1px solid #bac9df;margin-top:24px;padding:20px 28px}
.reception-label{font-size:10px;letter-spacing:.1em;color:var(--muted);font-weight:700}
.reception p{display:flex;align-items:center;gap:20px;font-size:16px}
.reception strong{color:var(--blue);font-size:19px;font-family:Arial,sans-serif}
.reception small{font-size:12px;color:var(--muted)}
.program-note{text-align:right;font-size:12px;margin-top:18px;color:var(--muted)}
.registration{background:var(--navy);color:white}
.registration .eyebrow{color:var(--cyan)}
.registration-layout{display:grid;grid-template-columns:1fr 1fr;gap:90px}
.registration-intro{font-size:15px;line-height:2;margin-block:24px}
.form-url{font-size:11px;margin-top:12px;color:#b9c9e4;overflow-wrap:anywhere}
dl{margin:0}
.registration-details dl>div{padding:17px 0;border-bottom:1px solid #374566}
.registration-details dl>div:first-child{padding-top:0}
.registration-details dt{font-size:12px;color:var(--cyan);margin-bottom:6px}
.registration-details dd{margin:0;font-size:18px;line-height:1.7;font-weight:700}
.registration-details dd strong{display:block;font-size:33px;color:var(--gold);letter-spacing:.03em}
.registration-details dd small{display:block;color:#bdcae2;font-size:12px;font-weight:400;margin-top:4px}
.registration-note,.deadline-notice{font-size:12px;margin-top:18px;color:#c8d8ed}
.deadline-notice{border:1px solid var(--gold);padding:15px;color:var(--gold)}
.venue-panel{position:relative;background:var(--pale);padding:42px;border-top:3px solid var(--blue)}
.venue-tag{font-size:12px;color:var(--blue);font-weight:700}
.venue-panel h3{font-size:29px;line-height:1.6;margin-top:18px}
.venue-floor{font-size:21px;font-weight:700;margin-top:8px}
.venue-panel>p:not(.venue-floor){font-size:13px;margin-top:20px;color:var(--muted)}
.access-links{display:flex;flex-wrap:wrap;align-items:center;gap:22px;margin-top:28px}
.venue-panel .venue-note{padding-top:20px;border-top:1px solid var(--line)}
.footer{background:#09132e;color:#d9e3f3;padding-top:60px}
.footer .eyebrow{color:#a3c6ed;font-size:10px}
.footer-grid{display:grid;grid-template-columns:1.45fr 1fr;gap:90px;padding-bottom:44px}
.organizers dl>div{display:flex;gap:22px;margin-top:25px;font-size:13px}
.organizers dt{white-space:nowrap;color:#a3c6ed}
.organizers dd{margin:0;line-height:2}
.smrc-link{font-size:11px;display:inline-block;margin-top:30px;color:#a3c6ed}
.contact h2{font-size:20px;margin-block:12px}
.contact>p:not(.eyebrow){font-size:12px;line-height:1.9}
.contact-email{display:block;font-size:18px;color:white;margin-top:18px;overflow-wrap:anywhere}
.contact-phone{display:inline-block;font-size:13px;margin-top:4px}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-block:23px;border-top:1px solid #27324c;font-size:10px;letter-spacing:.06em;color:#a4b5d1}
@media(min-width:1500px){.hero-content{padding-block:80px 65px}}
@media(max-width:1100px){.brand-year{display:block;font-size:12px;margin-top:2px}.brand b{font-size:20px}.brand small{font-size:10px}nav{gap:18px}.hero-caption{display:none}.strip-inner{flex-wrap:wrap;justify-content:flex-start;gap:14px 32px}.registration-layout{gap:50px}.reception{flex-wrap:wrap}.about-layout,.access-layout{gap:35px}}
@media(max-width:760px){html{scroll-padding-top:90px}.container{width:calc(100% - 40px)}.header-inner{min-height:77px;flex-wrap:wrap;gap:0;padding-block:10px}.brand{gap:9px;max-width:calc(100% - 90px)}.brand img{width:44px}.brand b{font-size:17px}.brand-year{font-size:10px;letter-spacing:.06em}.brand small{display:none}.menu-toggle:not([hidden]){display:block}.header nav{width:100%;flex-wrap:wrap;justify-content:center;gap:0;font-size:12px;padding-top:10px}.header nav a{padding:10px 12px}.header nav.menu-closed{display:none}.hero-content{padding-block:42px 38px}.hero .eyebrow{font-size:10px;max-width:290px;line-height:1.8}.hero-host{font-size:11px;line-height:1.8;max-width:300px}h1{margin-top:24px;font-size:clamp(26px,5.8vw,43px);line-height:1.6;letter-spacing:.015em}.hero-subtitle{font-size:13px;line-height:1.8;margin-top:15px;max-width:350px}.hero:before{background:linear-gradient(90deg,rgba(5,17,52,.95),rgba(5,17,52,.69)),linear-gradient(0deg,rgba(5,17,52,.8),transparent)}.hero-date{gap:14px;flex-wrap:wrap;margin-top:24px}.date-year{font-size:15px}.hero-date time{font-size:64px}.hero-date time small{font-size:18px;margin-left:3px}.hero-time{font-size:24px}.hero-time small{display:inline;font-size:9px;margin-left:10px}.hero-venue{font-size:12px;margin-top:20px}.hero-venue strong{font-size:14px}.hero-bottom{gap:22px;margin-top:24px}.badges span{font-size:10px;padding:4px 10px}.hero-bottom .button{width:100%;justify-content:center}.strip-inner{display:block;padding-block:19px;font-size:12px}.strip-inner p+p{margin-top:8px}.strip-inner strong{font-size:15px}.strip-inner>a{display:inline-block;margin-top:12px}.section{padding-block:58px}.section-heading h2{font-size:25px}.eyebrow{font-size:10px}.about-layout,.access-layout{grid-template-columns:1fr;gap:30px}.heading-rule{margin-top:18px}.heading-note{display:none}.about-copy .lead{font-size:23px;margin-bottom:22px}.about-copy>p:not(.lead){font-size:14px;line-height:2}.section-top{align-items:flex-end;margin-bottom:25px}.section-side{font-size:10px}.schedule-row{grid-template-columns:76px minmax(0,1fr);gap:17px;padding:26px 17px}.talk-number{display:none}.schedule-time time{font-size:23px}.schedule-time>span:not(.talk-label){font-size:13px}.schedule-time .talk-label{font-size:10px;padding:3px 9px}.talk h3{font-size:17px;line-height:1.8}.speaker{font-size:14px;margin-top:15px;overflow-wrap:anywhere}.affiliation{font-size:11px;overflow-wrap:anywhere}.talk-subtitle{font-size:12px;line-height:1.8}.compact{padding-block:16px}.compact time{font-size:20px}.compact h3{font-size:16px}.reception{padding:17px;gap:9px}.reception p{flex-wrap:wrap;gap:4px 16px;font-size:15px}.reception small{width:100%;font-size:11px}.program-note{text-align:left;font-size:11px;line-height:1.8}.registration-layout{grid-template-columns:1fr;gap:35px}.registration-intro{font-size:14px}.registration .button{width:100%;justify-content:center}.registration-details dd{font-size:16px}.registration-details dd strong{font-size:29px}.venue-panel{padding:27px 23px}.venue-panel h3{font-size:25px}.venue-tag{font-size:10px}.venue-floor{font-size:18px}.access-links{gap:20px}.access-links .button{font-size:12px;width:100%;padding-inline:14px;gap:10px}.footer{padding-top:42px}.footer-grid{grid-template-columns:1fr;gap:38px;padding-bottom:35px}.organizers dl>div{font-size:12px;gap:16px;margin-top:20px}.contact-email{font-size:17px}.footer-bottom{font-size:9px}.footer-bottom a{letter-spacing:0}}
@media(max-width:360px){.container{width:calc(100% - 30px)}.hero-date{gap:10px}.hero-date time{font-size:57px}h1{font-size:25px}.schedule-row{padding-inline:12px;gap:12px;grid-template-columns:65px minmax(0,1fr)}.talk h3{font-size:16px}.brand-year{font-size:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}.button:hover{transform:none}}
@media print{.header{position:static}.header nav,.menu-toggle,.hero-caption,.footer-bottom>a{display:none!important}.hero{background:var(--navy)!important;print-color-adjust:exact}.hero-content{padding-block:30px}h1{font-size:32px}.hero-date time{font-size:50px}.section{padding-block:30px}.schedule-row{break-inside:avoid}.container{width:100%}.registration,.footer{color:var(--ink);background:white}.registration .eyebrow,.footer .eyebrow,.registration-details dt,.registration-details dd strong,.contact-email{color:var(--blue)}.registration-details dd small,.registration-intro,.contact p,.contact-phone,.form-url,.organizers dt,.smrc-link{color:var(--ink)}.registration-layout,.footer-grid{gap:30px}.registration-details dl>div{border-color:var(--line)}}