:root{--color-sumi:#0a0a0a;--color-ai-deep:#001830;--color-ai:#183060;--color-ai-light:#184878;--color-ai-bright:#4878b0;--color-gold:#d8a860;--color-gold-light:#d8c060;--color-gold-dark:#907848;--color-kinari:#f0d8c0;--color-frame:#3c3431;--color-paper:#fefefe;--color-ai-flyer:#15326c;--color-ai-flyer-deep:#102953;--color-gold-flyer:#e2bb68;--color-accent-red:#d50621;--font-display:"Oswald", sans-serif;--font-jp:"Zen Kaku Gothic New", sans-serif;--font-jp-serif:"Shippori Mincho", serif;--text-headline:clamp(2.25rem, .6rem + 6.6vw, 6.5rem);--text-lead:clamp(.98rem, .86rem + .6vw, 1.3rem);--text-section-title:clamp(1.7rem, 1rem + 2.6vw, 3rem);--text-day-date:clamp(1.15rem, .9rem + 1vw, 1.6rem);--text-tagline-en:clamp(.8rem, .68rem + .5vw, 1.05rem);--text-cta:clamp(.8rem, .72rem + .3vw, .95rem);--text-tab:clamp(.66rem, .62rem + .2vw, .8rem);--tracking-wide:.28em;--tracking-normal:.06em;--tracking-tab:.16em;--duration-fast:.15s;--duration-normal:.3s;--duration-reveal:1.4s;--ease-out-expo:cubic-bezier(.16, 1, .3, 1);--space-section:clamp(2.5rem, 2rem + 3vw, 6rem);--hero-content-max-width:880px;--info-content-max-width:1080px;--frame-width:clamp(6px, 1.1vw, 18px)}.page-frame{z-index:40;pointer-events:none;border:var(--frame-width) solid var(--color-frame);position:fixed;inset:0}.tab{background:var(--color-ai-flyer);color:var(--color-paper);font-family:var(--font-display);font-weight:600;font-size:var(--text-tab);letter-spacing:var(--tracking-tab);text-transform:uppercase;white-space:nowrap;border-radius:2px 999px 999px 2px;align-items:center;gap:.5em;padding:.45em 1.15em .45em .85em;line-height:1;display:inline-flex}.tab--hero{background:var(--color-ai-flyer-deep);box-shadow:inset 0 0 0 1px #e2bb688c}.double-rule{background:linear-gradient(var(--color-ai-flyer) 0 0) left top / 100% 2px no-repeat, linear-gradient(var(--color-gold-flyer) 0 0) left bottom / 100% 1px no-repeat;border:0;width:100%;height:5px;margin:0;display:block}.badge-live{background:var(--color-accent-red);color:#fff;font-family:var(--font-display);letter-spacing:.14em;text-transform:uppercase;border-radius:2px;align-items:center;gap:.4em;padding:.28em .65em;font-size:.68rem;font-weight:700;line-height:1;display:inline-flex}.badge-live:before{content:"";width:.45em;height:.45em;animation:badge-live-pulse 1.8s var(--ease-out-expo) infinite;background:#fff;border-radius:50%}@keyframes badge-live-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}@media (prefers-reduced-motion:reduce){.badge-live:before{animation:none}}*,:before,:after{box-sizing:border-box}html{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}body{background:var(--color-sumi);min-height:100vh;color:var(--color-kinari);font-family:var(--font-jp);margin:0;overflow-x:hidden}img{max-width:100%;display:block}a{color:inherit}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.site-header{z-index:10;padding:1.25rem clamp(1.25rem,4vw,3rem);position:absolute;inset:0 0 auto}.site-nav__logo-link{border-radius:2px;line-height:0;display:inline-block}.site-nav__logo-link:focus-visible{outline:2px solid var(--color-gold-light);outline-offset:4px}.site-nav__logo{object-fit:contain;filter:drop-shadow(0 0 8px #0009);width:48px;height:56px}.hero{background:var(--color-ai-deep);width:100%;height:100svh;min-height:560px;position:relative;overflow:hidden}.hero__bg-layer{z-index:0;isolation:isolate;position:absolute;inset:0}.hero__bg-slide{opacity:0;will-change:opacity;position:absolute;inset:0}.hero__bg-slide.is-active{opacity:1}.hero__bg-slide-inner{transform-origin:50%;will-change:transform;position:absolute;inset:0;transform:scale(1)}.hero__bg-image{object-fit:cover;object-position:center 30%;width:100%;height:100%}.hero__scrim-texture{z-index:1;mix-blend-mode:multiply;opacity:.5;pointer-events:none;background-image:url(../assets/texture_aizome_indigo.webp);background-repeat:repeat;background-size:640px 640px;position:absolute;inset:0}.hero__scrim{z-index:2;pointer-events:none;background:linear-gradient(100deg,#0a0a0a99 0%,#0a0a0a4d 30%,#0000 58%),linear-gradient(#0a0a0a0d 0%,#0a0a0a26 55%,#0a0a0a8c 100%);position:absolute;inset:0}.hero__pattern{z-index:3;mix-blend-mode:screen;opacity:.16;pointer-events:none;background-image:url(../assets/pattern_seigaiha_dark.webp);background-repeat:repeat;background-size:260px 260px;animation:70s linear infinite hero-pattern-drift;position:absolute;inset:0 -260px 0 0}@keyframes hero-pattern-drift{0%{transform:translate(0)}to{transform:translate(-260px)}}.hero__content{z-index:4;height:100%;max-width:var(--hero-content-max-width);padding:var(--space-section) clamp(1.5rem, 6vw, 5rem);grid-template-columns:auto 1fr;align-items:center;column-gap:clamp(1rem,2.5vw,1.75rem);margin-inline:auto;display:grid;position:relative}.hero__rule{background:linear-gradient(180deg, transparent, var(--color-gold) 15%, var(--color-gold) 85%, transparent);opacity:.75;align-self:stretch;width:1px}.hero__content-body{flex-direction:column;align-items:flex-start;gap:clamp(.9rem,2.2vw,1.5rem);min-width:0;display:flex}.hero__tab{isolation:isolate;margin-bottom:clamp(-.2rem,-.5vw,-.4rem);position:relative;overflow:hidden}.hero__tab:before{content:"";mix-blend-mode:soft-light;opacity:.9;pointer-events:none;transition:background-position 1.5s var(--ease-out-expo);background-image:url(../assets/texture_gold_foil.webp);background-position:-140% 0;background-size:240% 100%;position:absolute;inset:0}.hero__tab.is-shimmered:before{background-position:140% 0}.hero__tab:after{content:"";z-index:1;mix-blend-mode:screen;opacity:0;pointer-events:none;background:linear-gradient(100deg,#0000 42%,#fffae6d9 50%,#0000 58%);position:absolute;inset:0;transform:translate(-160%)}.hero__tab.is-shimmered:after{animation:hero-tab-shimmer-sweep 1.1s var(--ease-out-expo) 1}@keyframes hero-tab-shimmer-sweep{0%{opacity:0;transform:translate(-160%)}35%{opacity:1}to{opacity:0;transform:translate(160%)}}.hero__headline{font-family:var(--font-jp);font-weight:900;font-size:var(--text-headline);letter-spacing:.01em;color:var(--color-kinari);word-break:keep-all;margin:0;line-height:1.08}.hero__headline-char{display:inline-block}.hero__lead{max-width:24em;font-family:var(--font-jp-serif);font-weight:500;font-size:var(--text-lead);letter-spacing:.04em;color:color-mix(in srgb, var(--color-kinari) 88%, transparent);word-break:keep-all;margin:0;line-height:1.7}.hero__cta{font-family:var(--font-display);font-size:var(--text-cta);letter-spacing:.18em;text-transform:uppercase;color:var(--color-gold-light);border:1.5px solid var(--color-gold);box-shadow:inset 0 0 0 1px var(--color-ai-bright), 0 0 0 #d8a86000;transition:color var(--duration-normal) var(--ease-out-expo), box-shadow var(--duration-normal) var(--ease-out-expo);background:0 0;border-radius:2px;outline:none;align-items:center;gap:.65rem;margin-top:.5rem;padding:.9em 1.9em;font-weight:600;text-decoration:none;display:inline-flex;position:relative;overflow:hidden}.hero__cta:before{content:"";z-index:-1;background:linear-gradient(120deg, var(--color-gold-dark), var(--color-gold), var(--color-gold-light));transition:transform var(--duration-normal) var(--ease-out-expo);position:absolute;inset:0;transform:translate(-102%)}.hero__cta-arrow{width:1.35em;height:1.35em;transition:transform var(--duration-normal) var(--ease-out-expo);flex:none}.hero__cta:hover,.hero__cta:focus-visible{color:var(--color-sumi);box-shadow:inset 0 0 0 1px var(--color-ai-bright), 0 0 24px #d8a86059}.hero__cta:hover:before,.hero__cta:focus-visible:before{transform:translate(0)}.hero__cta:hover .hero__cta-arrow,.hero__cta:focus-visible .hero__cta-arrow{transform:translate(3px)}.hero__cta:focus-visible{outline:2px solid var(--color-gold-light);outline-offset:3px}.hero__scroll-indicator{z-index:4;color:var(--color-kinari);opacity:.72;transition:opacity var(--duration-normal) var(--ease-out-expo);flex-direction:column;align-items:center;gap:.5rem;text-decoration:none;display:flex;position:absolute;bottom:clamp(1.75rem,4vh,2.75rem);left:50%;transform:translate(-50%)}.hero__scroll-indicator:hover,.hero__scroll-indicator:focus-visible{opacity:1}.hero__scroll-indicator:focus-visible{outline:2px solid var(--color-gold-light);outline-offset:6px;border-radius:2px}.hero__scroll-line{background:linear-gradient(180deg, transparent, var(--color-gold-light));width:1px;height:32px;animation:scroll-line-pulse 2.4s var(--ease-out-expo) infinite}.hero__scroll-label{font-family:var(--font-display);letter-spacing:.32em;text-transform:uppercase;font-size:.65rem}@keyframes scroll-line-pulse{0%,to{opacity:.3}50%{opacity:1}}@media (prefers-reduced-motion:reduce){.hero__scroll-line{opacity:.6;animation:none}.hero__pattern{animation:none}.hero__tab:before{transition:none}.hero__tab.is-shimmered:after{animation:none}.hero__cta,.hero__cta:before,.hero__cta-arrow,.hero__scroll-indicator{transition:none}}@media (width<=767px){.hero__content{align-items:center;padding-top:clamp(4.5rem,13vh,6rem);padding-bottom:clamp(2.5rem,8vh,4rem)}}@media (width<=360px){.hero__content{column-gap:.75rem;padding-left:1.25rem;padding-right:1.25rem}}.info{isolation:isolate;background:var(--color-paper);color:var(--color-ai-flyer-deep);padding-block:clamp(3.5rem,3rem + 6vw,8rem);padding-inline:clamp(1.5rem,5vw,4rem);position:relative;overflow:hidden}.info__decor{z-index:0;pointer-events:none;border-radius:50%;position:absolute}.info__decor--gold{aspect-ratio:1;background:var(--color-gold-flyer);opacity:.5;width:clamp(200px,30vw,480px);top:clamp(-160px,-9vw,-90px);right:clamp(-180px,-12vw,-110px)}.info__decor--ai{aspect-ratio:1;border:clamp(10px, 1.6vw, 22px) solid var(--color-ai-flyer);opacity:.12;background:0 0;width:clamp(180px,26vw,420px);bottom:clamp(-150px,-10vw,-90px);left:clamp(-150px,-11vw,-90px)}.info__inner{z-index:1;max-width:var(--info-content-max-width);grid-template-columns:1fr;margin-inline:auto;display:grid;position:relative}.info__head{max-width:40em}.info__kicker{margin-bottom:clamp(.9rem,2vw,1.4rem)}.info__title{font-family:var(--font-jp);font-weight:900;font-size:var(--text-section-title);letter-spacing:.02em;color:var(--color-ai-flyer);margin:0;line-height:1.15}.info__lead{max-width:34em;font-family:var(--font-jp-serif);font-weight:500;font-size:var(--text-lead);letter-spacing:.03em;color:var(--color-ai-flyer-deep);margin:clamp(1rem,2vw,1.5rem) 0 0;line-height:1.95}.info__divider{margin-block:clamp(2rem,4vw,3.5rem)}.info__schedule{position:relative}.info__schedule-head{flex-wrap:wrap;align-items:center;gap:.75rem 1.25rem;margin-bottom:clamp(1.5rem,3vw,2.5rem);display:flex}.info__schedule-note{font-family:var(--font-jp);letter-spacing:.04em;color:var(--color-frame);font-size:clamp(.85rem,.8rem + .3vw,1rem);font-weight:700}.day-list{flex-direction:column;gap:clamp(1.5rem,3vw,2.5rem);margin:0;padding:0;list-style:none;display:flex}.day-card{grid-template-columns:auto 1fr;grid-template-areas:"tab tab""rule rule""date desc";align-items:baseline;gap:clamp(.75rem,1.5vw,1.1rem) clamp(1.25rem,3.5vw,3rem);display:grid}.day-card__tab{grid-area:tab;justify-self:start}.day-card__rule{grid-area:rule}.day-card__date{font-family:var(--font-jp);font-weight:900;font-size:var(--text-day-date);letter-spacing:.01em;color:var(--color-ai-flyer);white-space:nowrap;grid-area:date;margin:0;line-height:1.1}.day-card__dow{color:var(--color-frame);margin-left:.4em;font-size:.6em;font-weight:700}.day-card__dow:before{content:"（"}.day-card__dow:after{content:"）"}.day-card__desc{font-family:var(--font-jp);letter-spacing:.02em;color:var(--color-frame);grid-area:desc;align-self:center;margin:0;font-size:clamp(.92rem,.86rem + .35vw,1.1rem);font-weight:500;line-height:1.6}.day-card--finale .day-card__date{box-shadow:inset 0 -.12em 0 var(--color-gold-flyer);padding-bottom:.15em}.info__live{border-top:1px dashed color-mix(in srgb, var(--color-ai-flyer) 40%, transparent);align-items:center;gap:.75rem;margin:clamp(1.75rem,3.5vw,3rem) 0 0;padding-top:clamp(1.25rem,2.5vw,2rem);display:flex}.info__live-text{font-family:var(--font-jp);letter-spacing:.03em;color:var(--color-ai-flyer-deep);font-size:clamp(.85rem,.8rem + .3vw,1rem);font-weight:700}.js [data-reveal]{opacity:0;transition:opacity .7s var(--ease-out-expo), transform .7s var(--ease-out-expo);transform:translateY(26px)}.js [data-reveal].is-visible{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){.js [data-reveal]{opacity:1;transition:none;transform:none}}@media (width>=900px){.info__inner{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:start;column-gap:clamp(3rem,5vw,5.5rem)}.info__head{grid-area:1/1}.info__divider{display:none}.info__schedule{background:linear-gradient(var(--color-ai-flyer) 0 0) left top / 2px 100% no-repeat, linear-gradient(var(--color-gold-flyer) 0 0) left 4px top / 1px 100% no-repeat;grid-area:1/2;padding-left:clamp(2.25rem,3vw,3.75rem)}}@media (width<=560px){.day-card{grid-template-columns:1fr;grid-template-areas:"tab""rule""date""desc";row-gap:.6rem}.day-card__desc{align-self:start}}