@charset "UTF-8";
/* BASE */
:root {
    --ink: #141417;
    --muted: #64646d;
    --paper: #fbfaf7;
    --sand: #f3f0eb;
    --line: #dedde0;
    --dark: #111216;
    --white: #fff;
    --hot: #ff034b;
    --coral: #ff6540;
    --gold: #ffce24;
    --gradient: linear-gradient(127deg, #ff034b 6%, #fb3760 30%, #ff743b 67%, #ffd537 100%);
    --max: 1320px;
    --gutter: clamp(22px, 5.4vw, 82px);
    /* 四角いボタン（.cta-button / .outline-link）の共通の高さ */
    --button-height: 56px;
    --font-ja: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
    --font-en: Arial, Helvetica, "Helvetica Neue", sans-serif;
}
* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
    scroll-padding-top: 92px;
    background: var(--paper);
}
body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-ja);
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    /* Fade the page in like the regular pages' page transition (Pjax.js: wait 0.2s, then 0.2s linear). */
    animation: lp-fade 0.2s linear 0.2s both;
}
img {
    max-width: 100%;
    display: block;
}
a {
    color: inherit;
    text-decoration: none;
}
button {
    font: inherit;
}
h1,
h2,
h3,
p,
figure {
    margin: 0;
}
em {
    font-style: normal;
}
button,
a {
    -webkit-tap-highlight-color: transparent;
}
a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--coral);
    outline-offset: 5px;
}
.content-wide {
    max-width: calc(var(--max) + 2 * var(--gutter));
    padding-left: var(--gutter);
    padding-right: var(--gutter);
    margin: auto;
}
.section-space {
    padding-top: clamp(90px, 10vw, 150px);
    padding-bottom: clamp(95px, 11vw, 165px);
}
.mobile-break {
    display: none;
}
/* HEADER */
.site-header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.98);
    z-index: 100;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(13px);
    animation: lp-header-in 0.8s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}
.header-inner {
    height: 89px;
    display: flex;
    align-items: center;
    gap: 28px;
}
.brand {
    display: block;
    flex: 0 0 auto;
    width: 210px;
}
.brand img {
    width: 100%;
    height: auto;
}
.desktop-nav {
    display: flex;
    align-items: center;
    gap: clamp(15px, 2.2vw, 33px);
    margin-left: auto;
}
.desktop-nav a,
.header-site-link {
    font-family: var(--font-en);
    font-size: 11px;
    font-weight: 800;
    line-height: 1;
    letter-spacing: 0.09em;
    transition: color 0.2s;
}
.desktop-nav a:hover,
.header-site-link:hover {
    color: var(--hot);
}
.header-site-link {
    margin-left: 6px;
    padding: 15px 17px;
    border: 1px solid #151515;
    white-space: nowrap;
    display: flex;
    gap: 16px;
    align-items: center;
}
.header-site-link span {
    font-size: 18px;
    font-weight: 400;
    line-height: 0;
    transition: transform 0.2s;
}
.header-site-link:hover span {
    transform: translate(3px, -3px);
}
/* ヘッダー固定の参加申込ボタン。OFFICIAL（枠線）と並べ、塗りで主導線にする */
.header-entry {
    padding: 15px 17px;
    /* 塗りと同色の枠線。隣の C-SEP OFFICIAL（枠線 1px）と高さを揃える */
    border: 1px solid #151515;
    background: #151515;
    color: white;
    font-family: var(--font-en);
    font-size: 11px;
    font-weight: 800;
    line-height: 1;
    letter-spacing: 0.09em;
    white-space: nowrap;
    display: flex;
    gap: 16px;
    align-items: center;
    transition:
        background 0.2s,
        border-color 0.2s;
}
.header-entry span {
    font: 18px/0 var(--font-en);
    transition: transform 0.2s;
}
.header-entry:hover {
    border-color: var(--hot);
    background: var(--hot);
}
.header-entry:hover span {
    transform: translate(3px, -3px);
}
.menu-toggle {
    display: none;
}
.mobile-nav {
    display: none;
}
/* HERO */
.hero {
    position: relative;
    min-height: 755px;
    background: #111014;
    overflow: hidden;
    color: white;
}
.hero-photo {
    position: absolute;
    inset: 0 -10% 0 42%;
    background-image: linear-gradient(90deg, #111014 0%, rgba(17, 16, 20, 0.1) 33%, rgba(17, 16, 20, 0.05) 65%, rgba(17, 16, 20, 0.32) 100%),
        url("/resource/img/announcement/sportsEcoConference2026/hero.webp");
    background-size: cover;
    background-position: 58% center;
    filter: grayscale(1) contrast(1.08);
    opacity: 0.5;
    animation: lp-photo-in 2.4s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}
.hero:before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, #111014 0%, #111014 18%, rgba(17, 16, 20, 0.78) 48%, rgba(17, 16, 20, 0.02) 85%), linear-gradient(0deg, #111014 0%, transparent 35%);
    z-index: 1;
}
.hero-orb {
    pointer-events: none;
    position: absolute;
    z-index: 0;
    right: -18%;
    top: -58%;
    width: min(940px, 76vw);
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle at 32% 36%, #ffd43e 0%, #ff5d49 27%, #ff034c 49%, transparent 67%);
    filter: blur(60px);
    opacity: 0.52;
    animation:
        lp-fade 2s ease-out both,
        lp-float 14s ease-in-out 2s infinite alternate;
}
.hero-grid {
    position: absolute;
    z-index: 1;
    inset: 0;
    background-image: linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: calc(100% / 10);
    opacity: 0.6;
    pointer-events: none;
}
.hero-body {
    position: relative;
    z-index: 3;
    min-height: 755px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.hero-main {
    padding-top: 88px;
}
.hero-overline {
    display: flex;
    gap: 15px;
    align-items: center;
    font: 700 12px var(--font-en);
    letter-spacing: 0.17em;
    color: #e6e6e6;
    margin-bottom: 27px;
    animation: lp-rise 0.8s cubic-bezier(0.2, 0.7, 0.2, 1) 0.2s both;
}
.overline-rule {
    height: 2px;
    width: 39px;
    display: block;
    background: var(--gradient);
    transform-origin: left center;
    animation: lp-rule-in 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) 0.4s both;
}
.hero-title {
    font-family: var(--font-en);
    font-weight: 900;
    line-height: 0.94;
    letter-spacing: -0.069em;
    font-size: clamp(58px, 6.9vw, 110px);
    max-width: 950px;
}
.hero-title span:not(.hero-title-dot) {
    display: block;
}
.hero-title strong {
    display: block;
    font-size: 1.18em;
    line-height: 1.04;
    letter-spacing: -0.074em;
    color: transparent;
    background: var(--gradient);
    background-clip: text;
    -webkit-background-clip: text;
}
.hero-title > span,
.hero-title > strong {
    animation: lp-rise 1s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}
.hero-title > :nth-child(1) {
    animation-delay: 0.35s;
}
.hero-title > :nth-child(2) {
    animation-delay: 0.47s;
}
.hero-title > :nth-child(3) {
    animation-delay: 0.59s;
}
.hero-title > :nth-child(4) {
    animation-delay: 0.71s;
}
.hero-title-dot {
    color: #fff;
    font-weight: 900;
}
.hero-lead {
    font-weight: 800;
    font-size: clamp(22px, 2.1vw, 31px);
    line-height: 1.45;
    letter-spacing: 0.07em;
    margin-top: 25px;
    animation: lp-rise 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) 0.95s both;
}
.hero-sublead {
    margin-top: 14px;
    font-size: 15px;
    line-height: 1.8;
    font-weight: 600;
    letter-spacing: 0.035em;
    color: #e1e1e6;
    max-width: 720px;
    animation: lp-rise 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) 1.05s both;
}
.hero-audience {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-top: 17px;
    max-width: 800px;
    animation: lp-rise 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) 1.15s both;
}
.hero-audience-label {
    font: 800 10px/1.4 var(--font-en);
    letter-spacing: 0.14em;
    color: #ff9d7e;
    padding-top: 8px;
    flex: none;
}
.hero-audience-types {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}
.hero-audience-types span {
    display: inline-block;
    border: 1px solid rgba(255, 255, 255, 0.27);
    background: rgba(14, 13, 17, 0.55);
    padding: 6px 11px;
    font-size: 11px;
    font-weight: 650;
    line-height: 1.4;
    letter-spacing: 0.015em;
    color: #f3f2f5;
    white-space: nowrap;
}
.hero-scroll {
    display: inline-flex;
    gap: 12px;
    align-items: center;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
    margin-top: 20px;
    animation: lp-rise 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) 1.25s both;
}
.round-arrow {
    height: 38px;
    width: 38px;
    border: 1px solid rgba(255, 255, 255, 0.55);
    border-radius: 50%;
    display: grid;
    place-items: center;
    font: 20px var(--font-en);
    transition:
        background 0.2s,
        color 0.2s,
        transform 0.2s;
}
.hero-scroll:hover .round-arrow {
    background: white;
    color: black;
    transform: translate(3px, 3px);
}
/* FV のボタン群。参加申込（塗り）と登壇予定者（枠線）を同じ形で並べる */
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 16px;
    margin-top: 24px;
    animation: lp-rise 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) 1.25s both;
}
.hero-actions .cta-button {
    margin-top: 0;
}
.cta-button.is-outline {
    background: transparent;
    color: white;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.6);
}
.cta-button.is-outline:hover {
    background: white;
    color: #151515;
}
.hero-date-panel {
    min-height: 126px;
    display: flex;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.26);
    gap: 50px;
    width: min(100%, 800px);
    margin-top: 28px;
    padding: 26px 0 39px;
    position: relative;
    border-top-color: transparent;
}
.hero-date-panel:before {
    content: "";
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    height: 1px;
    background: rgba(255, 255, 255, 0.26);
    transform-origin: left center;
    animation: lp-rule-in 1.1s cubic-bezier(0.7, 0, 0.2, 1) 1.3s both;
}
.hero-date-left {
    display: flex;
    align-items: baseline;
    gap: 16px;
    font-family: var(--font-en);
    animation: lp-rise 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) 1.5s both;
}
.hero-date-left > span:first-child {
    font-weight: 900;
    letter-spacing: 0.08em;
    font-size: 14px;
}
.hero-date-left strong {
    font-weight: 900;
    font-size: 65px;
    line-height: 1;
    letter-spacing: -0.06em;
    white-space: nowrap;
}
.date-period {
    color: var(--coral);
}
.hero-date-left .weekday {
    font-size: 12px;
    letter-spacing: 0.1em;
    font-weight: 800;
    white-space: nowrap;
}
.date-mid {
    color: var(--coral);
    margin: 0 8px;
}
.hero-date-right {
    border-left: 1px solid rgba(255, 255, 255, 0.26);
    padding-left: 32px;
    display: grid;
    gap: 5px;
    animation: lp-rise 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) 1.62s both;
}
.hero-date-label {
    font-family: var(--font-en);
    font-size: 10px;
    font-weight: 900;
    letter-spacing: 0.15em;
    color: #b3b3b5;
}
.hero-date-right strong {
    font-size: 16px;
    white-space: nowrap;
    letter-spacing: 0.07em;
}
.hero-date-right > span:last-child {
    font: 11px var(--font-en);
    color: #aaa;
    letter-spacing: 0.08em;
}
.hero-photo-note {
    position: absolute;
    z-index: 4;
    top: 50%;
    right: 40px;
    font: 9px var(--font-en);
    letter-spacing: 0.08em;
    color: #a9a8aa;
    writing-mode: vertical-rl;
    transform: translateY(-50%) rotate(180deg);
    white-space: nowrap;
    animation: lp-fade 1s ease-out 2s both;
}
.hero-edge {
    position: absolute;
    z-index: 4;
    /* コンテンツ幅（.content-wide）の右端に揃え、画面幅に追従させない */
    right: calc(max(0px, (100% - var(--max) - 2 * var(--gutter)) / 2) + var(--gutter));
    bottom: 46px;
    font: 700 10px var(--font-en);
    letter-spacing: 0.13em;
    display: flex;
    gap: 15px;
    align-items: center;
    animation: lp-fade 1s ease-out 2s both;
}
.hero-edge span {
    font-size: 19px;
    display: inline-block;
    animation: lp-bob 1.8s ease-in-out 3s infinite;
}
/* KEYWORD RAIL */
.keyword-rail {
    background: var(--gradient);
    overflow: hidden;
}
.rail-track {
    display: flex;
    width: max-content;
    animation: lp-marquee 50s linear infinite;
}
.keyword-rail:hover .rail-track {
    animation-play-state: paused;
}
.rail-inner {
    --rail-gap: 56px;
    display: flex;
    gap: var(--rail-gap);
    align-items: center;
    height: 68px;
    padding-right: var(--rail-gap);
    white-space: nowrap;
}
.rail-inner span {
    font: 800 12px var(--font-en);
    letter-spacing: 0.11em;
    color: #170d12;
}
.rail-inner i {
    height: 7px;
    width: 7px;
    flex: 0 0 auto;
    border-radius: 50%;
    background: #150c10;
}
/* SECTION TITLES */
.eyebrow {
    display: flex;
    align-items: center;
    gap: 13px;
    font: 900 12px var(--font-en);
    letter-spacing: 0.13em;
    margin-bottom: 35px;
}
.eyebrow-index {
    font-weight: 900;
    color: var(--hot);
    border-bottom: 2px solid var(--hot);
    padding-bottom: 3px;
}
.display-heading {
    font-family: var(--font-en);
    font-size: clamp(46px, 6.6vw, 91px);
    font-weight: 900;
    line-height: 1.025;
    letter-spacing: -0.073em;
}
.display-heading em {
    font-weight: 900;
    color: transparent;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
}
.heading-period {
    color: var(--hot);
}
.section-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 58px;
}
.section-head .eyebrow {
    margin-bottom: 30px;
}
.section-head-jp {
    font-size: 15px;
    letter-spacing: 0.09em;
    font-weight: 700;
    margin-top: 13px;
}
.eyebrow-inverse {
    color: #e2e2e2;
}
.light-heading {
    color: white;
}
/* ABOUT */
.about-section {
    background: #f5f3ef;
}
.two-column-intro {
    display: grid;
    grid-template-columns: 1.05fr 0.85fr;
    gap: clamp(50px, 9vw, 156px);
}
.about-copy {
    padding-top: 69px;
    max-width: 480px;
}
.accent-stripe {
    height: 4px;
    width: 67px;
    background: var(--gradient);
    display: block;
    margin-bottom: 31px;
}
.about-copy h3 {
    font-size: clamp(24px, 2.4vw, 33px);
    line-height: 1.55;
    letter-spacing: 0.06em;
    margin-bottom: 33px;
}
.about-copy p {
    font-size: 15px;
    line-height: 2.22;
    letter-spacing: 0.045em;
    color: #424249;
    margin-bottom: 18px;
}
.text-link {
    display: inline-flex;
    align-items: center;
    gap: 60px;
    border-bottom: 1px solid var(--ink);
    font-size: 12px;
    line-height: 1.5;
    font-weight: 800;
    padding: 17px 1px;
    margin-top: 14px;
    transition: color 0.2s;
}
.text-link:hover {
    color: var(--hot);
}
.text-link span {
    font-size: 21px;
    transition: transform 0.2s;
}
.text-link:hover span {
    transform: translate(3px, -3px);
}
/* SPEAKERS */
.speaker-section {
    background: #fff;
}
.speaker-head-aside {
    display: flex;
    gap: 22px;
    align-items: center;
    color: #56565d;
    font-size: 13px;
    line-height: 2;
}
.ring-small {
    width: 52px;
    height: 52px;
    border: 10px solid #ff724e;
    border-right-color: #ff004e;
    border-bottom-color: #ffda4d;
    border-radius: 50%;
    transform: rotate(22deg);
    flex-shrink: 0;
    animation: lp-spin 9s linear infinite;
}
.speaker-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 17px;
}
.speaker-card {
    min-width: 0;
}
.portrait {
    height: 0;
    padding-bottom: 125%;
    position: relative;
    overflow: hidden;
    background: #e9e5df;
}
.portrait:before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    background: linear-gradient(150deg, #eae9e5, #c7c1bc);
}
.portrait img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    filter: grayscale(0.08);
    z-index: 1;
    transition:
        transform 0.55s,
        filter 0.55s;
}
.portrait:hover img {
    transform: scale(1.04);
    filter: grayscale(0);
}
.portrait:after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    z-index: 2;
    height: 52px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.26));
    pointer-events: none;
}
.portrait-count {
    position: absolute;
    bottom: 13px;
    left: 15px;
    z-index: 4;
    color: white;
    font: 900 15px var(--font-en);
    letter-spacing: 0.04em;
}
.portrait-placeholder {
    position: absolute;
    inset: 0;
    z-index: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 13px;
    background: radial-gradient(circle at 65% 20%, #faf0e1 0%, transparent 60%), linear-gradient(142deg, #eee9e6, #d7d1cb);
}
.portrait-placeholder > span {
    font-family: var(--font-en);
    font-size: clamp(55px, 6vw, 84px);
    font-weight: 900;
    letter-spacing: -0.1em;
    color: #b9b3af;
}
.portrait-placeholder > small {
    font: 700 9px var(--font-en);
    letter-spacing: 0.13em;
    color: #817e7a;
}
.portrait.is-fallback .portrait-placeholder {
    z-index: 1;
}
.speaker-desc {
    padding: 17px 3px 10px;
}
.speaker-category {
    font: 800 10px var(--font-en);
    color: #ff3b4d;
    letter-spacing: 0.1em;
    min-height: 22px;
    line-height: 1.6;
}
.speaker-desc h3 {
    font-size: clamp(19px, 1.7vw, 25px);
    font-weight: 800;
    letter-spacing: 0.02em;
    line-height: 1.35;
    margin: 8px 0 3px;
    overflow-wrap: anywhere;
}
.name-roman {
    font: 700 11px var(--font-en);
    color: #8b8b8e;
    letter-spacing: 0.025em;
    min-height: 23px;
}
.speaker-affiliation {
    font-size: 12px;
    font-weight: 600;
    line-height: 1.75;
    letter-spacing: 0.015em;
    color: #4b4b52;
    border-top: 1px solid #ddd;
    margin-top: 15px;
    padding-top: 15px;
    overflow-wrap: anywhere;
}
.speaker-notice {
    display: flex;
    gap: 15px;
    align-items: flex-start;
    margin-top: 40px;
    color: #66656b;
    font-size: 12px;
    line-height: 2;
}
.notice-line {
    display: block;
    flex: 0 0 22px;
    height: 1px;
    background: var(--hot);
    margin-top: 12px;
}
.portrait-coming {
    background: #15151b;
}
.portrait-coming:before {
    background: radial-gradient(circle at 15% 6%, rgba(245, 41, 92, 0.48), transparent 45%), radial-gradient(circle at 100% 95%, rgba(255, 129, 79, 0.34), transparent 53%),
        linear-gradient(145deg, #24212a, #111115);
}
.portrait-coming:after {
    display: none;
}
.portrait-coming-content {
    position: absolute;
    inset: 0;
    z-index: 3;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: clamp(14px, 1.35vw, 25px);
}
.portrait-coming-content strong {
    font: 900 clamp(28px, 2.7vw, 44px) / 1.01 var(--font-en);
    letter-spacing: -0.065em;
    color: #fff;
}
.portrait-coming-content strong span {
    color: #ff755f;
}
.portrait-coming-rule {
    display: block;
    width: 49px;
    height: 3px;
    margin-top: 20px;
    background: var(--gradient);
}
.portrait-coming-corner {
    position: absolute;
    right: 14px;
    bottom: 12px;
    color: #fff;
    font: 900 22px var(--font-en);
    opacity: 0.87;
    z-index: 3;
}
.speaker-teaser .speaker-affiliation {
    color: #56515b;
}
.portrait img[hidden] {
    display: none;
}
/* FOCUS */
.focus-section {
    background: #f4f1eb;
}
.focus-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}
.focus-card {
    background: #fff;
    border: 1px solid #e8e3dc;
    padding: 35px 38px 30px;
    min-height: 295px;
    position: relative;
    overflow: hidden;
}
.focus-card:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    height: 5px;
    width: 100%;
    background: var(--gradient);
}
.focus-num {
    display: block;
    font: 800 11px var(--font-en);
    letter-spacing: 0.11em;
    color: #f04e5b;
}
.focus-symbol {
    font: 400 45px var(--font-en);
    position: absolute;
    right: 33px;
    top: 25px;
    opacity: 0.25;
    transition:
        transform 0.25s,
        opacity 0.25s;
}
.focus-card:hover .focus-symbol {
    transform: translate(5px, -5px);
    opacity: 1;
}
.focus-card h3 {
    font-size: clamp(20px, 2vw, 26px);
    letter-spacing: 0.035em;
    line-height: 1.5;
    margin: 42px 0 15px;
}
.focus-card p {
    font-size: 13px;
    line-height: 2;
    color: #626167;
    max-width: 460px;
}
.focus-en {
    display: block;
    font: 700 10px var(--font-en);
    letter-spacing: 0.14em;
    color: #acabb0;
    margin-top: 23px;
}
.focus-caution {
    text-align: right;
    margin-top: 20px;
    color: #78777b;
    font-size: 11px;
    line-height: 1.8;
}
/* INFORMATION */
.information-section {
    background: #151519;
    color: white;
    position: relative;
    overflow: hidden;
}
.information-section:before {
    content: "";
    position: absolute;
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 50%;
    width: 800px;
    height: 800px;
    right: -550px;
    top: -250px;
    box-shadow:
        0 0 0 100px rgba(255, 255, 255, 0.018),
        0 0 0 260px rgba(255, 255, 255, 0.018);
}
.information-heading {
    position: relative;
    z-index: 1;
    margin-bottom: 52px;
}
.info-layout {
    display: grid;
    grid-template-columns: 0.7fr 1.3fr;
    gap: 65px;
    position: relative;
    z-index: 1;
}
.info-emblem {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 28px;
}
.emblem-circle {
    width: 290px;
    height: 290px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 35% 22%, rgba(255, 255, 255, 0.12), transparent 55%);
    position: relative;
}
.emblem-circle:before {
    content: "";
    inset: -9px;
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-top-color: var(--coral);
    animation: lp-spin 18s linear infinite;
}
.emblem-circle span {
    font: 800 17px var(--font-en);
    letter-spacing: 0.28em;
    padding-left: 0.28em;
}
.emblem-circle strong {
    font: 900 125px/0.94 var(--font-en);
    letter-spacing: -0.1em;
    padding-right: 12px;
    color: transparent;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
}
.emblem-circle small {
    font: 800 13px var(--font-en);
    letter-spacing: 0.11em;
    margin-top: 8px;
}
.info-emblem-caption {
    font: 700 11px var(--font-en);
    letter-spacing: 0.16em;
    color: #9999a1;
    padding-left: 28px;
}
.info-table {
    margin: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.23);
}
.info-table > div {
    display: grid;
    grid-template-columns: 135px 1fr;
    gap: 28px;
    align-items: start;
    padding: 26px 3px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.23);
}
.info-table dt {
    font-weight: 700;
    font-size: 12px;
    letter-spacing: 0.06em;
    color: #aeb0b8;
    padding-top: 3px;
}
.info-table dd {
    margin: 0;
    font-size: 17px;
    letter-spacing: 0.02em;
    line-height: 1.6;
    font-weight: 700;
}
.info-table dd small {
    display: block;
    font-size: 12px;
    font-weight: 400;
    color: #aeb0b8;
    margin-top: 7px;
    letter-spacing: 0.03em;
}
/* LOOK BACK */
.previous-section {
    background: #fff;
}
.previous-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 35px;
    margin-bottom: 44px;
}
.previous-title {
    font-size: clamp(44px, 6.3vw, 88px);
}
.previous-head p:not(.eyebrow) {
    font-size: 13px;
    font-weight: 700;
    margin-top: 21px;
}
.outline-link {
    border: 1px solid #19191d;
    min-height: var(--button-height);
    padding: 0 20px;
    display: flex;
    gap: 60px;
    align-items: center;
    white-space: nowrap;
    font-size: 12px;
    font-weight: 800;
    transition:
        color 0.2s,
        background 0.2s;
}
.outline-link:hover {
    background: #1c1c1f;
    color: white;
}
.outline-link span {
    font: 20px/1 var(--font-en);
    transition: transform 0.2s;
}
.outline-link:hover span {
    transform: translate(3px, -3px);
}
.previous-photos {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 18px;
}
.previous-photos figure {
    position: relative;
    height: 410px;
    overflow: hidden;
    background: #ddd;
}
.previous-photos img {
    height: 100%;
    width: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}
.previous-photos figure:hover img {
    transform: scale(1.035);
}
.previous-main img {
    object-position: center;
}
.previous-side img {
    object-position: center;
}
.previous-photos figcaption {
    position: absolute;
    left: 20px;
    bottom: 17px;
    color: white;
    font: 700 10px var(--font-en);
    letter-spacing: 0.12em;
    text-shadow: 0 1px 5px #111;
}
.previous-note {
    font-size: 11px;
    color: #797980;
    margin-top: 17px;
    line-height: 1.8;
}
/* CTA */
.bottom-cta {
    position: relative;
    min-height: 560px;
    background: #1b1317;
    overflow: hidden;
    color: white;
    isolation: isolate;
}
.bottom-cta:before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, #1b1317 0%, rgba(27, 19, 23, 0.85) 48%, rgba(27, 19, 23, 0.26) 100%);
    z-index: 0;
}
.bottom-cta-orb {
    position: absolute;
    z-index: -1;
    top: -240px;
    right: -100px;
    width: 740px;
    height: 740px;
    border-radius: 50%;
    background: radial-gradient(circle at 29% 27%, #ffde57 0%, #ff723b 29%, #ff0055 61%, #b51c55 77%, transparent 79%);
    filter: blur(3px);
    animation: lp-float 12s ease-in-out infinite alternate;
}
.cta-inner {
    position: relative;
    z-index: 1;
    padding-top: 105px;
    padding-bottom: 105px;
}
.cta-inner .eyebrow {
    margin-bottom: 19px;
}
.cta-inner h2 {
    font: 900 clamp(52px, 7vw, 96px) / 0.96 var(--font-en);
    letter-spacing: -0.069em;
}
.cta-inner h2 em {
    color: #ffda3b;
}
.cta-jp {
    font-size: 21px;
    font-weight: 800;
    letter-spacing: 0.065em;
    margin: 28px 0 11px;
}
.cta-copy {
    font-size: 13px;
    line-height: 2;
    color: #d7cfd3;
    letter-spacing: 0.04em;
}
.cta-button {
    margin-top: 35px;
    min-width: 290px;
    display: inline-flex;
    justify-content: space-between;
    align-items: center;
    gap: 42px;
    background: white;
    color: #151515;
    min-height: var(--button-height);
    padding: 0 24px;
    font-size: 13px;
    font-weight: 800;
    transition: background 0.2s;
}
.cta-button span {
    font: 22px/1 var(--font-en);
    transition: transform 0.2s;
}
.cta-button:hover {
    background: #ffdc46;
}
.cta-button:hover span {
    transform: translate(3px, -3px);
}
/* 明るい地に置いた黒い矢印は、暗い地の白い矢印より細く見えるため一段太らせる。
   ↗ は Arial に無く OS ごとの代替フォントで描かれ、font-weight では太さの段階が揃わないので線を足して太らせる */
.header-site-link span,
.outline-link span,
.mobile-nav-official span,
.cta-button:not(.is-outline) span {
    -webkit-text-stroke: 0.5px currentColor;
}
/* 見た目は .cta-button と共通。表内の余白と、SP で列幅を超えないことだけ上書きする */
.info-table .cta-button {
    margin-top: 14px;
    min-width: min(290px, 100%);
}
/* FOOTER */
.site-footer {
    background: #101014;
    color: white;
    padding: 56px 0 28px;
}
.footer-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding-bottom: 60px;
}
.footer-brand img {
    width: 228px;
}
.footer-brand p {
    font-size: 12px;
    color: #999aa0;
    margin-top: 13px;
}
.back-top {
    font: 800 11px var(--font-en);
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    gap: 17px;
}
.back-top span {
    display: grid;
    place-items: center;
    width: 46px;
    height: 46px;
    border: 1px solid #68686e;
    border-radius: 50%;
    font: 24px var(--font-en);
    transition:
        background 0.2s,
        border-color 0.2s,
        color 0.2s;
}
.back-top span i {
    font-style: normal;
    transition: transform 0.2s;
}
.back-top:hover span {
    border-color: white;
    background: white;
    color: #111;
}
.back-top:hover span i {
    transform: translateY(-3px);
}
.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    border-top: 1px solid #38383c;
    padding-top: 25px;
    color: #797980;
    font: 11px var(--font-en);
}
/* MOTION: page-intro keyframes and the scroll reveal (.js-reveal / .reveal / .is-inview are set by announcement.js) */
@keyframes lp-marquee {
    to {
        translate: -50% 0;
    }
}
@keyframes lp-rise {
    from {
        opacity: 0;
        translate: 0 0.6em;
    }
}
@keyframes lp-fade {
    from {
        opacity: 0;
    }
}
@keyframes lp-photo-in {
    from {
        opacity: 0;
        scale: 1.12;
    }
}
@keyframes lp-rule-in {
    from {
        scale: 0 1;
    }
}
@keyframes lp-float {
    to {
        translate: -4% 5%;
    }
}
@keyframes lp-bob {
    50% {
        translate: 0 5px;
    }
}
@keyframes lp-spin {
    to {
        rotate: 360deg;
    }
}
@keyframes lp-header-in {
    from {
        translate: 0 -100%;
    }
}
.js-reveal .reveal {
    opacity: 0;
    translate: 0 32px;
    transition:
        opacity 0.9s cubic-bezier(0.2, 0.7, 0.2, 1),
        translate 0.9s cubic-bezier(0.2, 0.7, 0.2, 1);
    transition-delay: calc(var(--reveal-index, 0) * var(--reveal-step, 0.1s));
}
.js-reveal .reveal.is-inview {
    opacity: 1;
    translate: 0 0;
}
.js-reveal .display-heading.reveal {
    clip-path: inset(0 0 100% 0);
    transition:
        opacity 0.9s cubic-bezier(0.2, 0.7, 0.2, 1),
        translate 0.9s cubic-bezier(0.2, 0.7, 0.2, 1),
        clip-path 1.1s cubic-bezier(0.2, 0.7, 0.2, 1);
    transition-delay: calc(var(--reveal-index, 0) * var(--reveal-step, 0.1s));
}
.js-reveal .display-heading.reveal.is-inview {
    clip-path: inset(0 0 -20% 0);
}
.js-reveal .speaker-card.reveal .portrait {
    clip-path: inset(100% 0 0 0);
    transition: clip-path 1.2s cubic-bezier(0.7, 0, 0.2, 1);
    transition-delay: calc(var(--reveal-index, 0) * var(--reveal-step, 0.1s));
}
.js-reveal .previous-photos .reveal {
    clip-path: inset(100% 0 0 0);
    transition:
        opacity 0.9s,
        translate 0.9s,
        clip-path 1.2s cubic-bezier(0.7, 0, 0.2, 1);
    transition-delay: calc(var(--reveal-index, 0) * var(--reveal-step, 0.1s));
}
.js-reveal .speaker-card.reveal.is-inview .portrait,
.js-reveal .previous-photos .reveal.is-inview {
    clip-path: inset(0);
}
.js-reveal .emblem-circle {
    scale: 0.85;
    transition: scale 1.2s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.js-reveal .info-emblem.is-inview .emblem-circle {
    scale: 1;
}
.js-reveal .focus-grid > .reveal,
.js-reveal .focus-caution.reveal {
    --reveal-step: 0.18s;
    transition-duration: 1.3s;
}
@media (max-width: 1210px) {
    .desktop-nav {
        gap: 17px;
    }
    .brand {
        width: 184px;
    }
    .speaker-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 25px 20px;
    }
    .speaker-desc h3 {
        font-size: 23px;
    }
    .hero-title {
        font-size: clamp(63px, 7vw, 90px);
    }
    .hero-photo {
        left: 42%;
    }
    /* 日付と VENUE を縦並びにし、右下の SCROLL TO EXPLORE と重ならないようにする。
       罫線が日付の幅で揃うよう、パネル幅は中身に合わせる */
    .hero-date-panel {
        display: grid;
        width: fit-content;
        gap: 22px;
        align-items: start;
    }
    .hero-date-right {
        border-left: 0;
        border-top: 1px solid rgba(255, 255, 255, 0.2);
        padding: 10px 0 0;
        gap: 1px;
    }
}
@media (max-width: 960px) {
    .desktop-nav,
    .header-site-link {
        display: none;
    }
    /* SP ではヘッダーの申込ボタンを隠し、ハンバーガーメニュー内に出す */
    .header-inner .header-entry {
        display: none;
    }
    .menu-toggle {
        margin-left: auto;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 7px;
        width: 46px;
        height: 46px;
        background: transparent;
        border: 1px solid #ddd;
        cursor: pointer;
    }
    .menu-toggle span {
        height: 2px;
        width: 20px;
        background: #111;
        transition: transform 0.35s cubic-bezier(0.2, 0.7, 0.2, 1);
    }
    .menu-toggle[aria-expanded="true"] span:first-child {
        transform: translateY(4.5px) rotate(45deg);
    }
    .menu-toggle[aria-expanded="true"] span:last-child {
        transform: translateY(-4.5px) rotate(-45deg);
    }
    .mobile-nav {
        display: grid;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        max-height: calc(100dvh - 89px);
        overflow-y: auto;
        padding: 10px var(--gutter) 22px;
        background: white;
        border-top: 1px solid #eee;
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
        clip-path: inset(0 0 100% 0);
        opacity: 0;
        transition:
            clip-path 0.4s cubic-bezier(0.2, 0.7, 0.2, 1),
            opacity 0.3s ease;
    }
    .mobile-nav.is-open {
        clip-path: inset(0 0 -40px 0);
        opacity: 1;
    }
    .mobile-nav[hidden] {
        display: none !important;
    }
    .mobile-nav a {
        border-bottom: 1px solid #ececec;
        padding: 14px 0;
        font: 800 15px var(--font-en);
        opacity: 0;
        translate: 0 -8px;
        transition:
            opacity 0.3s ease,
            translate 0.4s cubic-bezier(0.2, 0.7, 0.2, 1);
    }
    .mobile-nav.is-open a {
        opacity: 1;
        translate: 0 0;
    }
    .mobile-nav.is-open a:nth-child(2) {
        transition-delay: 0.04s;
    }
    .mobile-nav.is-open a:nth-child(3) {
        transition-delay: 0.08s;
    }
    .mobile-nav.is-open a:nth-child(4) {
        transition-delay: 0.12s;
    }
    .mobile-nav.is-open a:nth-child(5) {
        transition-delay: 0.16s;
    }
    .mobile-nav span {
        font: 500 12px var(--font-ja);
        color: #777;
        float: right;
    }
    .mobile-nav.is-open a:nth-child(6) {
        transition-delay: 0.2s;
    }
    /* メニュー内の公式サイト・申込ボタン。PC ヘッダーと同じく公式サイトは枠線、申込は塗りの四角ボタン */
    .mobile-nav .mobile-nav-official,
    .mobile-nav .mobile-nav-entry {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: var(--button-height);
        padding: 0 20px;
        font: 800 14px var(--font-ja);
        letter-spacing: 0.06em;
    }
    .mobile-nav .mobile-nav-official {
        margin-top: 18px;
        border: 1px solid #151515;
        transition:
            opacity 0.3s ease,
            translate 0.4s cubic-bezier(0.2, 0.7, 0.2, 1),
            background 0.2s,
            color 0.2s;
    }
    .mobile-nav .mobile-nav-official:hover {
        background: #151515;
        color: white;
    }
    .mobile-nav .mobile-nav-entry {
        margin-top: 10px;
        border-bottom: 0;
        color: white;
    }
    .mobile-nav .mobile-nav-official span,
    .mobile-nav .mobile-nav-entry span {
        float: none;
        font: 20px/1 var(--font-en);
        color: inherit;
    }
    .hero {
        min-height: 710px;
    }
    .hero-body {
        min-height: 710px;
    }
    .hero-main {
        padding-top: 90px;
    }
    .hero-title {
        font-size: clamp(57px, 8.5vw, 82px);
    }
    .hero-photo {
        left: 25%;
        opacity: 0.35;
    }
    .hero-date-panel {
        max-width: 100%;
    }
    .two-column-intro {
        gap: 50px;
    }
    .about-copy {
        padding-top: 40px;
    }
    .focus-grid {
        gap: 12px;
    }
    .focus-card {
        padding: 28px;
    }
    .info-layout {
        grid-template-columns: 0.6fr 1.4fr;
        gap: 35px;
    }
    .emblem-circle {
        width: 220px;
        height: 220px;
    }
    .emblem-circle strong {
        font-size: 95px;
    }
    .previous-photos figure {
        height: 300px;
    }
    .hero-audience {
        max-width: 700px;
    }
}
@media (max-width: 700px) {
    .portrait-coming-content strong {
        font-size: clamp(25px, 6vw, 40px);
    }
    .portrait-coming-content {
        padding: 14px;
    }
    .portrait-coming-rule {
        width: 32px;
        margin-top: 12px;
    }
    :root {
        --gutter: 21px;
    }
    html {
        scroll-padding-top: 75px;
    }
    .header-inner {
        height: 70px;
    }
    .brand {
        width: 179px;
    }
    .hero,
    .hero-body {
        min-height: 770px;
    }
    .hero-title {
        font-size: clamp(44px, 10.2vw, 72px);
        letter-spacing: -0.067em;
    }
    .hero-title strong {
        margin-top: 4px;
    }
    .hero-overline {
        font-size: 10px;
        letter-spacing: 0.12em;
        margin-bottom: 27px;
    }
    .hero-lead {
        font-size: 24px;
        margin-top: 26px;
    }
    .mobile-break {
        display: initial;
    }
    .desktop-break {
        display: none;
    }
    .hero-photo {
        inset: 0 -60% 0 -20%;
        background-position: 65% center;
        opacity: 0.29;
    }
    .hero:before {
        background: linear-gradient(90deg, #111014 0%, rgba(17, 16, 20, 0.75) 53%, rgba(17, 16, 20, 0.3)), linear-gradient(0deg, #111014, transparent 70%);
    }
    .hero-orb {
        width: 700px;
        right: -460px;
        top: -280px;
    }
    .hero-date-panel {
        padding: 20px 0 36px;
    }
    .hero-date-left {
        gap: 12px;
    }
    .hero-date-left > span:first-child {
        font-size: 13px;
    }
    .hero-date-left strong {
        font-size: 48px;
    }
    .hero-date-left .weekday {
        font-size: 11px;
        letter-spacing: 0.08em;
    }
    .hero-photo-note,
    .hero-edge {
        display: none;
    }
    .rail-track {
        animation-duration: 44s;
    }
    .rail-inner {
        --rail-gap: 32px;
        height: 55px;
    }
    .rail-inner span {
        font-size: 10px;
    }
    .section-space {
        padding-top: 82px;
        padding-bottom: 94px;
    }
    .eyebrow {
        font-size: 10px;
        margin-bottom: 23px;
    }
    .display-heading {
        font-size: clamp(46px, 10.5vw, 73px);
    }
    .two-column-intro {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .about-copy {
        padding-top: 15px;
    }
    .about-copy h3 {
        font-size: 26px;
    }
    .about-copy p {
        font-size: 14px;
    }
    .section-head {
        display: block;
        margin-bottom: 36px;
    }
    .section-head .eyebrow {
        margin-bottom: 23px;
    }
    .section-head-jp {
        margin-top: 7px;
        font-size: 13px;
    }
    .speaker-head-aside {
        display: none;
    }
    .speaker-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 33px 14px;
    }
    .speaker-desc {
        padding: 13px 0 5px;
    }
    .speaker-category {
        font-size: 9px;
        letter-spacing: 0;
        line-height: 1.2;
        min-height: 27px;
    }
    .speaker-desc h3 {
        font-size: 20px;
    }
    .name-roman {
        font-size: 10px;
        line-height: 1.6;
    }
    .speaker-affiliation {
        font-size: 11px;
        line-height: 1.6;
        margin-top: 10px;
        padding-top: 9px;
    }
    .portrait-count {
        font-size: 13px;
    }
    .speaker-notice {
        margin-top: 31px;
        font-size: 11px;
    }
    .focus-grid {
        grid-template-columns: 1fr;
        gap: 11px;
    }
    .focus-card {
        min-height: 260px;
        padding: 29px 25px;
    }
    .focus-card h3 {
        margin-top: 34px;
        font-size: 23px;
    }
    .focus-card p {
        font-size: 13px;
    }
    .focus-caution {
        text-align: left;
    }
    .information-heading {
        margin-bottom: 45px;
    }
    .info-layout {
        display: block;
    }
    .info-emblem {
        display: none;
    }
    .info-table > div {
        grid-template-columns: 93px 1fr;
        gap: 15px;
        padding: 21px 0;
    }
    .info-table dt {
        font-size: 11px;
    }
    .info-table dd {
        font-size: 14px;
    }
    .info-table dd small {
        font-size: 11px;
    }
    .previous-head {
        display: block;
    }
    .previous-head .outline-link {
        margin-top: 27px;
        justify-content: space-between;
    }
    .previous-photos {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .previous-photos figure {
        height: 225px;
    }
    .previous-photos .previous-side {
        height: 160px;
    }
    .previous-note {
        font-size: 10px;
    }
    .bottom-cta {
        min-height: 570px;
    }
    .cta-inner {
        padding-top: 94px;
        padding-bottom: 80px;
    }
    .cta-inner h2 {
        font-size: clamp(51px, 11.5vw, 75px);
    }
    .cta-jp {
        font-size: 19px;
    }
    .bottom-cta-orb {
        width: 560px;
        height: 560px;
        right: -370px;
        top: -140px;
    }
    .site-footer {
        padding: 43px 0 24px;
    }
    .footer-top {
        align-items: start;
        padding-bottom: 43px;
    }
    .footer-brand img {
        width: 190px;
    }
    .footer-brand p {
        font-size: 10px;
    }
    .back-top {
        font-size: 0;
    }
    .back-top span {
        font-size: 21px;
        width: 39px;
        height: 39px;
    }
    .footer-bottom {
        display: block;
        line-height: 2;
    }
    .footer-bottom span {
        display: block;
    }
    .hero-main {
        padding-top: 51px;
    }
    .hero-sublead {
        font-size: 13px;
        line-height: 1.7;
        letter-spacing: 0.015em;
        margin-top: 11px;
    }
    .hero-audience {
        gap: 10px;
        margin-top: 14px;
    }
    .hero-audience-label {
        font-size: 9px;
        padding-top: 7px;
    }
    .hero-audience-types {
        gap: 6px;
        max-width: 275px;
    }
    .hero-audience-types span {
        font-size: 10px;
        padding: 5px 8px;
    }
    .hero-actions {
        margin-top: 20px;
    }
}
@media (max-width: 360px) {
    .hero-title {
        font-size: 42px;
    }
    .hero-date-left strong {
        font-size: 42px;
    }
    .speaker-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px 12px;
    }
    .speaker-desc h3 {
        font-size: 18px;
    }
    .speaker-affiliation {
        font-size: 10px;
    }
    .focus-card h3 {
        font-size: 20px;
    }
    .hero-audience {
        gap: 8px;
    }
    .hero-audience-types span {
        font-size: 9.5px;
        padding: 4px 7px;
    }
}
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    *,
    *:before,
    *:after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}