:root{--ink:#121212;--paper:#f4f3ef;--white:#fff;--gold:#b99a4a;--blue:#1c3f5c;--line:rgba(18,18,18,.18);--max:1280px;font-family:"Inter","Noto Sans JP",sans-serif;color:var(--ink);background:var(--paper);scroll-behavior:smooth}*{box-sizing:border-box}html{scroll-padding-top:100px}body{margin:0;min-width:320px;overflow-x:hidden;background:var(--paper)}body.menu-open{overflow:hidden}a{color:inherit;text-decoration:none}button{color:inherit;font:inherit}p,h1,h2,h3,dl,dd{margin:0}
.site-header{position:fixed;z-index:50;top:24px;left:50%;width:min(calc(100% - 48px),var(--max));height:64px;padding:0 26px;display:flex;align-items:center;justify-content:space-between;border:1px solid rgba(255,255,255,.42);border-radius:999px;background:rgba(246,246,243,.78);box-shadow:0 12px 38px rgba(0,0,0,.08);backdrop-filter:blur(18px);transform:translateX(-50%);transition:.3s}.site-header.scrolled{background:rgba(255,255,255,.94);box-shadow:0 12px 42px rgba(0,0,0,.12)}.brand{display:inline-flex;align-items:center;gap:10px}.brand-mark{width:31px;height:31px;display:grid;grid-template-columns:repeat(2,1fr);gap:3px;transform:rotate(45deg)}.brand-mark i{display:block;background:var(--ink);border-radius:1px 6px}.brand>span:last-child{display:flex;flex-direction:column;line-height:1;letter-spacing:.04em}.brand b{font-size:14px}.brand small{margin-top:4px;font-size:9px;letter-spacing:.16em}.desktop-nav{display:flex;gap:clamp(18px,2.2vw,38px);font-size:12px;font-weight:700;letter-spacing:.06em}.desktop-nav a{position:relative;padding:23px 0}.desktop-nav a:after{content:"";position:absolute;bottom:16px;left:0;width:0;height:1px;background:var(--ink);transition:.25s}.desktop-nav a:hover:after,.desktop-nav a:focus-visible:after{width:100%}.menu-button{display:none;width:42px;height:42px;border:0;border-radius:50%;background:var(--ink);place-items:center;cursor:pointer}.menu-button span{position:absolute;width:17px;height:1px;background:white;transition:.25s}.menu-button span:first-child{transform:translateY(-3px)}.menu-button span:last-child{transform:translateY(3px)}.menu-button[aria-expanded=true] span:first-child{transform:rotate(45deg)}.menu-button[aria-expanded=true] span:last-child{transform:rotate(-45deg)}.mobile-nav{display:none}
.hero{position:relative;min-height:100svh;display:grid;place-items:center;overflow:hidden;color:white}.hero-media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.55);animation:hero-in 1.6s cubic-bezier(.22,1,.36,1) both}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,10,12,.76),rgba(8,10,12,.22) 54%,rgba(8,10,12,.48)),linear-gradient(0deg,rgba(8,10,12,.5),transparent 55%)}.hero-content{position:relative;z-index:2;width:min(calc(100% - 48px),1160px);padding-top:92px;text-align:center}.hero-kicker{margin-bottom:18px;font-size:clamp(16px,1.7vw,25px);font-weight:600;letter-spacing:.18em}.hero h1{display:grid;justify-items:center;font-size:clamp(48px,7.5vw,116px);font-weight:800;line-height:.82;letter-spacing:-.055em}.hero h1 em{margin-top:12px;font-size:.4em;font-style:normal;letter-spacing:.28em;text-indent:.28em}.hero-meta{margin:34px auto 26px;font-size:17px;font-weight:600;line-height:1.65;letter-spacing:.08em}.hero-meta strong{font-size:24px}.hero-meta span{font-size:.8em}.wave-button,.status-button{display:inline-grid;min-width:218px;min-height:64px;padding:14px 28px;place-items:center;color:var(--ink);background:white;font-size:14px;font-weight:700;letter-spacing:.06em;border-radius:38% 62% 48% 52%/58% 46% 54% 42%;transition:.25s}.wave-button:hover{transform:translateY(-4px) rotate(-1deg);background:#f0e7cb}.scroll-cue{position:absolute;z-index:2;right:42px;bottom:28px;font-size:10px;letter-spacing:.18em;writing-mode:vertical-rl}.scroll-cue:after{content:"";display:inline-block;width:1px;height:54px;margin-top:10px;background:rgba(255,255,255,.7);animation:scroll-line 1.8s ease-in-out infinite;transform-origin:top}
.section-pad{padding:138px max(24px,calc((100vw - var(--max))/2))}.section-grid{display:grid;grid-template-columns:max-content minmax(0,1fr);align-items:start;gap:68px}.section-label{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;writing-mode:vertical-rl}.section-label:before{content:"";display:inline-block;width:1px;height:42px;margin-bottom:12px;background:currentColor;opacity:.45}.eyebrow{margin-bottom:32px;color:var(--gold);font-size:13px;font-weight:700;letter-spacing:.1em}.message-copy{min-width:0;container-type:inline-size}.message h2{font-size:min(64px,6.6cqi);line-height:1.34;letter-spacing:-.045em}.message h2>span{display:block;white-space:nowrap}.prose-columns{margin:62px 0 0;display:grid;grid-template-columns:1fr;gap:24px;font-size:16px;line-height:2.15}
.statement{position:relative;min-height:760px;display:grid;place-items:center;overflow:hidden;background:var(--ink);color:white}.statement:before{content:"";position:absolute;inset:0;background:url("./assets/reference/ffc-atmosphere.webp") center/cover;opacity:.3;mix-blend-mode:screen}.marquee{position:absolute;top:56px;left:0;width:200%;overflow:hidden;opacity:.09;white-space:nowrap;font-size:clamp(80px,12vw,180px);font-weight:800;letter-spacing:-.05em;animation:marquee 24s linear infinite}.statement-inner{position:relative;z-index:2;width:min(calc(100% - 48px),1160px);text-align:center}.statement-inner span{display:block;font-size:clamp(22px,3vw,42px);font-weight:600}.statement-inner strong{display:block;margin-top:14px;font-size:clamp(58px,9vw,132px);line-height:1;letter-spacing:-.06em}.statement-inner p{margin-top:40px;color:rgba(255,255,255,.7);font-size:clamp(15px,1.5vw,20px);letter-spacing:.08em}
.section-heading{margin-bottom:68px;display:flex;flex-direction:column;align-items:stretch;gap:28px}.section-heading>div{display:flex;align-items:flex-start;gap:68px}.section-heading h2{font-size:clamp(44px,6vw,86px);line-height:1;letter-spacing:-.055em}.section-heading>p{font-size:15px;line-height:1.9}.timetable{background:#e9e8e3}.schedule{--schedule-time-width:175px;--schedule-hall-width:108px;--schedule-gap:24px;--schedule-inset:8px;border-top:1px solid var(--line)}.schedule-item{border-bottom:1px solid var(--line)}.schedule-summary{width:100%;min-height:124px;padding:24px var(--schedule-inset);display:grid;grid-template-columns:var(--schedule-time-width) var(--schedule-hall-width) 1fr 42px;gap:var(--schedule-gap);align-items:center;text-align:left;background:transparent;border:0;cursor:pointer}.schedule-summary time{font-size:17px;font-weight:700}.schedule-summary h3{font-size:clamp(19px,2vw,28px);line-height:1.4}.hall,.draft-tag{width:max-content;padding:8px 10px;border:1px solid var(--ink);font-size:10px;font-weight:700;letter-spacing:.08em}.hall.sub{color:white;background:var(--blue);border-color:var(--blue)}.plus,.faq-item i{position:relative;width:38px;height:38px;border:1px solid;border-radius:50%}.plus:before,.plus:after,.faq-item i:before,.faq-item i:after{content:"";position:absolute;top:50%;left:50%;width:13px;height:1px;background:currentColor;transform:translate(-50%,-50%);transition:.25s}.plus:after,.faq-item i:after{transform:translate(-50%,-50%) rotate(90deg)}[aria-expanded=true] .plus:after,.faq-item [aria-expanded=true] i:after{transform:translate(-50%,-50%)}.schedule-detail{display:grid;grid-template-rows:0fr;padding:0 0 0 calc(var(--schedule-inset) + var(--schedule-time-width) + var(--schedule-hall-width) + 2 * var(--schedule-gap));overflow:hidden;transition:.32s}.schedule-detail>div{overflow:hidden}.schedule-item.is-open .schedule-detail{grid-template-rows:1fr;padding-bottom:36px}.schedule-detail p{font-size:15px;line-height:1.85}.schedule-detail b{display:block;margin-top:10px;font-size:13px}.draft-tag{display:inline-block;margin-top:12px;color:#666;border-color:#999;font-size:9px}.program-note{margin-top:28px;color:#666;font-size:12px;line-height:1.7}
.experience{background:var(--blue);color:white}.experience-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.experience-card{min-width:0;padding:clamp(24px,2.4vw,34px);gap:24px;display:flex;flex-direction:column;justify-content:flex-start;border:1px solid rgba(255,255,255,.35);border-radius:44px;background:rgba(255,255,255,.06);transition:.3s}.experience-card:hover{background:rgba(255,255,255,.12);transform:translateY(-4px)}.experience-card>span{font-size:13px;letter-spacing:.12em}.experience-card small{display:block;margin-bottom:12px;color:#d9c784;font-weight:700;letter-spacing:.16em}.experience-card h3{font-size:clamp(24px,2.2vw,32px);line-height:1.35}.experience-card h3>span{display:block}.experience-card div>p{margin-top:22px;color:rgba(255,255,255,.72);font-size:15px;line-height:1.9}
.speakers{background:var(--white)}.speaker-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.speaker-card{min-width:0;min-height:430px;padding:26px;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:32px;background:white}.speaker-card .speaker-sessions{min-height:3.4em;font-size:12px;font-weight:700;line-height:1.7;letter-spacing:.02em}.speaker-card>div{margin:30px 0 0;align-self:center;width:150px;height:150px;flex-shrink:0;overflow:hidden;display:grid;place-items:center;border-radius:50%;color:white;background:var(--ink);font-size:50px;font-weight:800}.speaker-card:nth-child(even)>div{background:var(--gold)}.speaker-card:nth-child(3n)>div{background:var(--blue)}.speaker-card h3{margin-top:34px;font-size:25px}.speaker-card>p{margin-top:10px;color:#666;font-size:13px;line-height:1.6}.speaker-card.pending{background:transparent;border-style:dashed}
.outline{background:var(--ink);color:white}.outline-list{margin-left:0;border-top:1px solid rgba(255,255,255,.28)}.outline-list>div{padding:28px 0;display:grid;grid-template-columns:220px 1fr;gap:40px;border-bottom:1px solid rgba(255,255,255,.28)}.outline-list dt{color:#aaa;font-size:12px;font-weight:600;letter-spacing:.08em}.outline-list dd{font-size:clamp(18px,2.2vw,28px);line-height:1.6}.outline-list small{display:block;color:#aaa;font-size:.58em}.register{min-height:680px;display:grid;place-items:center;background:linear-gradient(rgba(236,224,186,.88),rgba(236,224,186,.94)),url("./assets/reference/ffc-atmosphere.webp") center/cover}.register>.section-grid{width:100%}.register-inner{width:100%;min-width:0;container-type:inline-size;text-align:center}.register h2{font-size:min(clamp(58px,8vw,112px),17cqi);line-height:1.06;letter-spacing:-.07em}.register-line{display:block;white-space:nowrap}.register-punctuation{display:inline;margin-right:-.5em}.register-inner>p:not(.section-label){margin:32px 0;font-size:15px;line-height:1.9}.status-button{color:white;background:var(--ink)}.status-button:hover,.status-button:focus-visible,.status-button:active{color:white;background:var(--blue)}.status-button:focus-visible{outline:3px solid var(--ink);outline-offset:4px}
.faq-list{margin-left:0;border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-item button{width:100%;min-height:112px;padding:22px 0;display:grid;grid-template-columns:50px 1fr 40px;gap:20px;align-items:center;border:0;background:transparent;text-align:left;font-size:18px;font-weight:700;cursor:pointer}.faq-item button>span{color:var(--gold);font-size:22px}.faq-item>div{display:grid;grid-template-rows:0fr;overflow:hidden;transition:.3s}.faq-item>div>p{overflow:hidden;padding:0 0 0 70px;font-size:15px;line-height:1.9}.faq-item.is-open>div{grid-template-rows:1fr}.faq-item.is-open>div>p{padding-bottom:30px}.organizer{background:white}.organizer-copy{min-width:0}.organizer-copy>p:first-child{font-size:18px;line-height:1.4}.organizer-copy strong{font-size:clamp(48px,7vw,90px);letter-spacing:-.07em}.organizer-copy>p:nth-child(2){margin-top:38px;color:#555;font-size:16px;line-height:2}.organizer-copy>a{margin-top:42px;display:inline-block;border-bottom:1px solid;padding-bottom:6px;font-size:14px;font-weight:700}footer{min-height:210px;padding:50px max(24px,calc((100vw - var(--max))/2));display:flex;align-items:flex-end;justify-content:space-between;gap:30px;color:white;background:var(--ink)}footer .brand-mark i{background:white}footer p,footer>a:last-child{color:#aaa;font-size:11px;letter-spacing:.1em}.reveal{opacity:0;transform:translateY(32px);transition:opacity .75s,transform .75s cubic-bezier(.22,1,.36,1)}.reveal.in-view{opacity:1;transform:none}
@keyframes hero-in{from{opacity:.35;transform:scale(1.1)}to{opacity:1;transform:scale(1.02)}}@keyframes scroll-line{0%,100%{transform:scaleY(.2);opacity:.3}50%{transform:scaleY(1);opacity:1}}@keyframes marquee{to{transform:translateX(-50%)}}
@media(max-width:900px){.site-header{top:12px;width:calc(100% - 24px);height:58px;padding:0 10px 0 18px}.desktop-nav{display:none}.menu-button{display:grid}.mobile-nav{position:fixed;z-index:45;inset:0;padding:110px 30px 40px;display:flex;flex-direction:column;justify-content:center;gap:4px;color:white;background:var(--ink);opacity:0;visibility:hidden;transition:.25s}.mobile-nav.is-open{opacity:1;visibility:visible}.mobile-nav a{padding:14px 0;font-size:clamp(28px,9vw,48px);font-weight:700;letter-spacing:-.04em;border-bottom:1px solid rgba(255,255,255,.25)}.section-pad{padding:92px 12px}.section-grid{grid-template-columns:1fr;gap:28px}.section-label{writing-mode:initial}.section-label:before{width:42px;height:1px;margin:0 12px 3px 0}.section-heading{display:block;margin-bottom:48px}.section-heading>div{display:block}.section-heading .section-label{margin-bottom:24px}.section-heading>p{margin-top:24px}.prose-columns{grid-template-columns:1fr;gap:24px;margin-top:42px}.schedule-summary{grid-template-columns:1fr 42px;gap:12px;min-height:150px;padding:22px 0}.schedule-summary time{grid-column:1}.schedule-summary .hall{grid-column:1;grid-row:2}.schedule-summary h3{grid-column:1;grid-row:3}.schedule-summary .plus{grid-column:2;grid-row:1/span 3}.schedule-detail{padding-left:0;padding-right:0}.experience-list{grid-template-columns:1fr}.speaker-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.outline-list{margin-left:0}}
@media(max-width:560px){.hero-content{width:calc(100% - 34px)}.hero h1{font-size:clamp(43px,14vw,72px);line-height:.9}.hero-kicker{font-size:12px}.hero-meta{margin-top:28px;font-size:13px}.hero-meta strong{font-size:19px}.wave-button{min-height:56px;min-width:190px;font-size:12px}.scroll-cue{display:none}.statement{min-height:620px}.statement-inner{text-align:left}.statement-inner strong{font-size:min(17vw,calc((100vw - 48px)/6))}.speaker-grid{grid-template-columns:1fr}.outline-list>div{grid-template-columns:1fr;gap:10px}.faq-item button{grid-template-columns:36px 1fr 34px;gap:10px;font-size:16px}.faq-item>div>p{padding-left:46px;padding-right:0}.organizer-copy strong{font-size:15vw}footer{min-height:250px;flex-direction:column;align-items:flex-start;justify-content:flex-end}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.reveal{opacity:1;transform:none}}

/* 2026-09-10 main-copy update: keep the original LP composition and change only the hero hierarchy. */
.hero{color:var(--ink)}.hero-media{filter:saturate(.78) contrast(.94) brightness(1.02)}.hero-shade{background:linear-gradient(90deg,rgba(255,255,255,.78),rgba(255,255,255,.18) 62%,rgba(255,255,255,.04)),linear-gradient(0deg,rgba(255,255,255,.44),transparent 55%)}
.foundation-lockup{margin:0 auto 24px;display:inline-flex;align-items:center;gap:12px;text-align:left}.foundation-lockup img{width:34px;height:34px;object-fit:contain;filter:invert(1)}.foundation-lockup span{display:flex;flex-direction:column;line-height:1}.foundation-lockup b{font-size:13px;letter-spacing:.06em}.foundation-lockup small{margin-top:6px;color:rgba(18,18,18,.58);font-size:7px;letter-spacing:.2em}
.hero h1.main-copy{font-family:"Shippori Mincho",serif;font-synthesis:none;font-size:clamp(54px,7vw,106px);font-weight:600;line-height:1.08;letter-spacing:-.07em}.hero h1.main-copy span{display:block}
.hero-actions{margin-top:24px;display:flex;align-items:baseline;justify-content:center;flex-wrap:wrap;gap:.35em 1.6em;font-family:inherit;font-size:clamp(17px,1.85vw,28px);font-weight:700}.hero-actions>span{font-family:"Noto Sans JP",sans-serif;font-weight:700;font-synthesis:none}.hero-actions strong{color:var(--gold);font-size:1.3em;font-weight:700}
.hero-event{margin-top:clamp(48px,6vw,84px)}.hero-event p:first-child{font-size:clamp(17px,1.7vw,25px);font-weight:700;letter-spacing:.12em}
.hero .hero-meta{margin-top:24px}.hero .wave-button{margin-top:0;color:white;background:var(--ink)}.hero .wave-button:hover{color:var(--ink);background:#f0e7cb}.hero .scroll-cue:after{background:rgba(18,18,18,.6)}
@media(max-width:560px){.foundation-lockup{margin-bottom:20px}.foundation-lockup img{width:30px;height:30px}.hero h1.main-copy{font-size:clamp(47px,13.5vw,68px);line-height:1.12}.hero-actions{display:flex;flex-wrap:nowrap;gap:.55em;margin-top:20px;font-size:min(17px,calc((100vw - 34px)/21));white-space:nowrap}.hero-actions>*{flex-shrink:0}.hero-event{margin-top:40px}.hero-event p:first-child{font-size:14px;letter-spacing:.055em}.hero .hero-meta{margin-top:20px}}
@media(max-width:560px){.hero-media{object-position:76% center}}
.site-header .brand>img{width:31px;height:31px;object-fit:contain;filter:invert(1)}
footer .brand>img{width:31px;height:31px;object-fit:contain}

/* Discount the full-width period’s trailing space when centering the final line. */
.statement-inner .statement-period{display:inline;font:inherit}
@media(min-width:561px){.statement-inner .statement-period{margin-right:-.5em}}

/* Registration is part of both navigation menus. */
.desktop-nav{align-items:center}
.desktop-nav .nav-register{padding:10px 16px;border-radius:999px;background:var(--ink);color:var(--white);white-space:nowrap}
.desktop-nav .nav-register:after{display:none}
.desktop-nav .nav-register:hover{background:var(--blue)}
.nav-register:focus-visible{outline:3px solid var(--gold);outline-offset:4px}
@media(max-width:900px){.mobile-nav{justify-content:safe center;overflow-y:auto}.mobile-nav a{flex-shrink:0}.mobile-nav .nav-register{color:#e4ce8c}}

/* Align section descriptions with their headings beside the vertical label. */
@media(min-width:901px){
  .section-heading:has(>p){display:grid;grid-template-columns:max-content minmax(0,1fr);column-gap:68px;row-gap:28px;align-items:start}
  .section-heading:has(>p)>div{display:contents}
  .section-heading:has(>p) .section-label{grid-column:1;grid-row:1 / 3}
  .section-heading:has(>p) h2{grid-column:2;grid-row:1;min-width:0}
  .section-heading:has(>p)>p{grid-column:2;grid-row:2;min-width:0}
}

.speaker-card>div>img{display:block;width:100%;height:100%;object-fit:cover}.speaker-card>p{margin-bottom:24px}.speaker-profile{margin-top:auto;border-top:1px solid var(--line);font-size:13px;line-height:1.8;overflow-wrap:anywhere}.speaker-profile summary{padding:14px 0;min-height:44px;cursor:pointer;font-weight:700}.speaker-profile summary:hover{color:var(--blue)}.speaker-profile summary:focus-visible{outline:2px solid var(--blue);outline-offset:4px}.speaker-profile>p{margin-top:4px;color:#555}.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}

.speaker-card img[src$="tadashi-kunishima.jpg"],.session-speaker-photo img[src$="tadashi-kunishima.jpg"]{object-position:50% 20%}.speaker-card img[src$="haruka-ito.jpg"],.session-speaker-photo img[src$="haruka-ito.jpg"]{object-position:30% 50%}

/* Single-column Experience cards have room for continuous headings. */
@media(max-width:900px){.experience-card>div{container-type:inline-size}.experience-card h3{font-size:min(24px,8cqi);white-space:nowrap}.experience-card h3>span{display:inline}}

.schedule-detail .schedule-topics-label{font-size:12px;font-weight:700;color:#666}.schedule-topics{margin:10px 0 18px;padding-left:1.25em;font-size:15px;line-height:1.85;overflow-wrap:anywhere;white-space:normal}.schedule-topics li+li{margin-top:6px}

.schedule-detail p+.schedule-topics-label{margin-top:20px}

.schedule-detail .schedule-status{margin-top:8px;font-size:12px;line-height:1.7;color:#666;overflow-wrap:anywhere}.schedule-detail b{overflow-wrap:anywhere}

/* Plan v21: show session descriptions even when the accordion is closed. */
.schedule-summary h3{min-width:0;overflow-wrap:anywhere}
.schedule-subtitle{display:block;margin-top:8px;font-size:14px;font-weight:400;line-height:1.7;color:#555}
@media(max-width:560px){.schedule-subtitle{font-size:13px}}

.speaker-card img[src$="nao-koike.jpg"]{transform:scale(1.65)}

/* Keep the overview visible while topics and speakers remain expandable. */
.schedule-description{margin:0 50px 28px calc(var(--schedule-inset) + var(--schedule-time-width) + var(--schedule-hall-width) + 2 * var(--schedule-gap));font-size:15px;line-height:1.85;overflow-wrap:anywhere}
@media(max-width:900px){.schedule-description{margin:0 0 24px}}

.session-speakers{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:16px}.session-speakers li{display:grid;gap:4px;overflow-wrap:anywhere}.session-speakers strong{font-size:15px;line-height:1.7}.session-speakers span{font-size:13px;line-height:1.8;color:#555}

.session-speakers{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 24px}.session-speakers li{grid-template-columns:88px minmax(0,1fr);gap:16px;align-items:start}.session-speaker-photo{width:88px;height:88px;border-radius:50%;overflow:hidden;background:var(--paper)}.session-speaker-photo img{display:block;width:100%;height:100%;object-fit:cover}.session-speaker-copy{min-width:0;display:grid;gap:4px}
@media(max-width:900px){.session-speakers{grid-template-columns:1fr}.session-speakers li{grid-template-columns:72px minmax(0,1fr);gap:14px}.session-speaker-photo{width:72px;height:72px}}

/* Program portraits: preserve headroom within the circular crop. */
.session-speaker-photo img[src$="kentaro-sakakibara.jpg"],.session-speaker-photo img[src$="kazuhiko-mizukawa.jpg"],.session-speaker-photo img[src$="hiroko-ueno.jpg"]{object-position:50% 0}
.session-speaker-photo img[src$="yusuke-mizuno.jpg"]{object-position:50% 15%}
.session-speaker-photo img[src$="nao-koike.jpg"]{object-position:50% 20%;transform:scale(1.4);transform-origin:50% 35%}

body.profile-open{position:fixed;left:0;right:0;overflow:hidden}
.profile-dialog{padding:0;border:0;border-radius:24px;width:min(640px,calc(100vw - 24px));max-width:none;height:calc(100dvh - 32px);max-height:900px;color:var(--ink);background:var(--paper);overflow:hidden;box-shadow:0 24px 80px rgba(0,0,0,.3)}
.profile-dialog[open]{display:flex;flex-direction:column;animation:profile-appear .24s ease-out}
.profile-dialog::backdrop{background:rgba(18,18,18,.65);backdrop-filter:blur(5px)}
.profile-dialog-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);flex-shrink:0;font-size:12px}
.profile-dialog-toolbar button{width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:white;font-size:28px;cursor:pointer}
.profile-dialog-content{padding:24px;overflow-y:auto;overscroll-behavior:contain;min-height:0}
.profile-dialog-photo{width:120px;height:120px;margin:0 auto 20px}
.profile-dialog h2{text-align:center;font-size:26px;line-height:1.4}
.profile-dialog-role{text-align:center;font-size:13px;line-height:1.8;margin-top:12px;color:#555;overflow-wrap:anywhere}
.profile-dialog-biography{border-top:1px solid var(--line);margin-top:24px;padding-top:20px;font-size:14px;line-height:1.95;overflow-wrap:anywhere}
.profile-dialog-biography p+p{margin-top:16px}
@keyframes profile-appear{from{opacity:0;transform:translateY(24px) scale(.92)}to{opacity:1;transform:none}}
@media(max-width:560px){.speaker-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.speaker-card{padding:16px 12px;border-radius:20px;min-height:0}.speaker-card .speaker-sessions{font-size:10px}.speaker-card>div{width:min(100%,110px);height:auto;aspect-ratio:1;margin-top:20px}.speaker-card h3{font-size:19px;margin-top:20px}.speaker-card>p{font-size:12px;margin-bottom:16px;overflow-wrap:anywhere}.speaker-profile summary{font-size:11px}.profile-dialog-content{padding:20px}}
@media(prefers-reduced-motion:reduce){.profile-dialog[open]{animation:none}}