/* =============================================
   Beyond Limits 2026 Spring — Design System
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700;800;900&family=Outfit:wght@300;400;600;700&family=Noto+Sans+JP:wght@300;400;500;700;900&family=Zen+Kaku+Gothic+New:wght@300;400;500;700;900&display=swap');

/* ---- CSS Variables ---- */
:root {
    /* Brand Colors (from logo CMYK) */
    --color-primary: #B81C23;
    --color-primary-light: #E63329;
    --color-primary-glow: rgba(184, 28, 35, 0.25);

    /* Base — Light Theme */
    --color-bg-dark: #FFFFFF;
    --color-bg-dark-alt: #F5F5F7;
    --color-bg-section: #FAFAFA;
    --color-bg-section-alt: #F0F0F3;
    --color-bg-card: rgba(255, 255, 255, 0.9);
    --color-bg-card-hover: rgba(255, 255, 255, 1);

    /* Footer (stays dark for contrast) */
    --color-bg-footer: #1A1D23;

    /* Text — Dark on light */
    --color-text: #1A1D23;
    --color-text-muted: #4A4F62;
    --color-text-dim: #7A7E8E;

    /* Accent */
    --color-accent: #E63329;

    /* Gradients */
    --gradient-brand: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    --gradient-hero: linear-gradient(160deg, #FAFAFA 0%, #EDE8F0 40%, #F0ECE5 70%, #FAFAFA 100%);
    --gradient-text: linear-gradient(135deg, #1A1D23 0%, #3A3D48 100%);
    --gradient-card-border: linear-gradient(135deg, rgba(230, 51, 41, 0.2), rgba(0, 0, 0, 0.04));

    /* Typography */
    --font-en: 'Poppins', sans-serif;
    --font-numbers: 'Outfit', sans-serif;
    --font-ja: 'Zen Kaku Gothic New', 'Noto Sans JP', sans-serif;
    --font-ja-serif: 'Noto Serif JP', '游明朝', 'Yu Mincho', '明朝体', serif;
    --font-ja-brush: 'Shippori Mincho B1', 'Noto Serif JP', '游明朝', serif;

    /* Spacing */
    --container-width: 1140px;
    --section-padding: 140px;
    --border-radius-lg: 24px;
    --border-radius-md: 16px;
    --border-radius-sm: 8px;

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --transition-base: 0.4s var(--ease-out);
}

/* ---- Reset ---- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 20px;
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
    text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
    overflow-x: clip;
}

body {
    background: var(--color-bg-dark);
    color: var(--color-text);
    font-family: var(--font-ja);
    font-weight: 400;
    line-height: 1.8;
    overflow-x: clip;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-en);
    line-height: 1.15;
    font-weight: 900;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* ---- Utilities ---- */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
    position: relative;
    z-index: 2;
}

.section {
    padding: var(--section-padding) 0;
    position: relative;
    overflow: hidden;
}

/* ---- Scroll Animations ---- */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-up.visible .sponsor-logo,
.fade-up.visible .sponsor-item__name {
    visibility: visible;
}

/* ---- Section Background Text ---- */
.section-bg-text {
    position: absolute;
    top: 60px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-en);
    font-size: clamp(80px, 16vw, 220px);
    font-weight: 900;
    color: rgba(0, 0, 0, 0.03);
    white-space: nowrap;
    pointer-events: none;
    z-index: 0;
    line-height: 1;
    user-select: none;
}

/* ---- Section Heading ---- */
.section-heading {
    text-align: center;
    margin-bottom: 80px;
}

.section-heading__en {
    display: block;
    font-family: var(--font-en);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    letter-spacing: 0.05em;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-heading__ja {
    display: block;
    font-family: var(--font-ja);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 0.3em;
    margin-top: 10px;
}

/* =============================================
   HEADER
   ============================================= */
.header {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 92%;
    max-width: 1200px;
    height: 48px;
    z-index: 1000;
    border-radius: 50px;
    display: flex;
    align-items: center;
    padding: 0 8px 0 28px;
    background: rgba(13, 17, 23, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: transform 0.4s var(--ease-out), background 0.4s var(--ease-out), border-color 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
}

.header--hidden {
    transform: translateX(-50%) translateY(calc(-100% - 30px));
}

.header.scrolled {
    background: rgba(13, 17, 23, 0.95);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.logo {
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.logo-img {
    height: 26px;
    width: auto;
    filter: invert(1) brightness(2);
    transition: var(--transition-base);
    clip-path: inset(0 0 22% 0);
}

.logo:hover .logo-img {
    filter: invert(1) brightness(2) drop-shadow(0 0 8px var(--color-primary-glow));
}

.nav ul {
    display: flex;
    gap: clamp(16px, 2.8vw, 28px);
}

.nav a {
    font-family: var(--font-en);
    font-size: clamp(0.72rem, 1.2vw, 0.82rem);
    font-weight: 600;
    letter-spacing: 0.1em;
    color: #8B8FA3;
    position: relative;
    padding: 4px 0;
    top: -2px;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-brand);
    transition: width 0.3s ease;
}

.nav a:hover {
    color: #E8E8EC;
}

.nav a:hover::after {
    width: 100%;
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-en);
    font-weight: 800;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    padding: 0 24px;
    height: 100%;
    border-radius: 0 50px 50px 0;
    background: var(--gradient-brand);
    color: #fff;
    transition: var(--transition-base);
    white-space: nowrap;
}

.btn-cta:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 20px var(--color-primary-glow);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: #E8E8EC;
    transition: var(--transition-base);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* =============================================
   HERO
   ============================================= */
.hero {
    height: 180vh;
    position: relative;
    background: #edeef0;
    padding-top: 100px;
}

/* Video cinema layer — slides up on scroll */
.hero-video-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 1;
    overflow: hidden;
    background: #0a0a0f;
    will-change: clip-path, opacity;
    transition: clip-path 0.05s linear, opacity 0.05s linear;
    border-radius: 0;
}

.hero-video-layer::before {
    content: '';
    position: absolute;
    inset: -2px;
    z-index: 3;
    pointer-events: none;
    box-shadow: inset 0 0 150px 50px rgba(10, 10, 15, 0.45);
}

.hero-video-layer::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    background:
        radial-gradient(ellipse 600px 400px at 0% 0%, rgba(184, 28, 35, 0.2) 0%, transparent 70%),
        radial-gradient(ellipse 500px 400px at 100% 100%, rgba(40, 80, 220, 0.15) 0%, transparent 70%),
        radial-gradient(ellipse 400px 300px at 100% 0%, rgba(0, 180, 180, 0.1) 0%, transparent 60%),
        radial-gradient(ellipse 400px 300px at 0% 100%, rgba(255, 140, 50, 0.1) 0%, transparent 60%);
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    opacity: 0.8;
}

.hero-bg-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background-image: radial-gradient(circle, rgba(0, 0, 0, 0.4) 1px, transparent 1px);
    background-size: 3px 3px;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    z-index: 0;
    animation: orbFloat 20s ease-in-out infinite;
}

.hero-orb--1 {
    width: 500px;
    height: 500px;
    background: rgba(184, 28, 35, 0.2);
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.hero-orb--2 {
    width: 600px;
    height: 600px;
    background: rgba(100, 130, 230, 0.15);
    bottom: -200px;
    left: -200px;
    animation-delay: -7s;
}

.hero-orb--3 {
    width: 300px;
    height: 300px;
    background: rgba(255, 160, 80, 0.15);
    top: 40%;
    left: 50%;
    animation-delay: -14s;
}

@keyframes orbFloat {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    25% {
        transform: translate(30px, -20px) scale(1.05);
    }

    50% {
        transform: translate(-20px, 30px) scale(0.95);
    }

    75% {
        transform: translate(15px, 15px) scale(1.02);
    }
}

.hero-content {
    position: sticky;
    top: 0;
    height: 100vh;
    height: 100svh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 5;
    text-align: center;
    padding: 8vh 20px 0;
    transition: none;
}

.hero-kicker {
    display: inline-block;
    font-family: var(--font-en);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.3em;
    padding: 10px 28px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 50px;
    color: rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
    margin-bottom: 24px;
    transition: color 0.5s ease, background 0.5s ease, border-color 0.5s ease;
}

/* Revealed state — white background visible */
.hero.revealed .hero-kicker {
    color: var(--color-text);
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.15);
}

.hero-title {
    margin-bottom: 16px;
}

.hero-logo-wrap {
    position: relative;
    display: inline-block;
}

.hero-logo-img {
    max-width: min(80vw, 700px);
    height: auto;

    will-change: transform, opacity;
}

.hero-logo-color {
    opacity: 0;
    transition: filter 0.4s ease;
}

.hero-logo-wrap.gleam .hero-logo-color {
    filter: brightness(2.5);
}

.hero-logo-white {
    position: absolute;
    top: 0;
    left: 0;
    filter: brightness(0) invert(1);
    opacity: 1;
}

.hero-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    margin-top: 20px;
    margin-bottom: 20px;
    width: 100%;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.hero-meta__item {
    text-align: center;
    flex: 1;
}

.hero-meta__item:first-child {
    text-align: center;
}

.hero-meta__item:last-child {
    text-align: center;
}

.hero-meta__label {
    display: block;
    font-family: var(--font-en);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: rgba(230, 100, 80, 0.95);
    margin-bottom: 6px;
    transition: color 0.5s ease;
}

.hero-meta__value {
    font-family: var(--font-ja);
    font-size: 1.8rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.95);
    transition: color 0.5s ease;
    white-space: nowrap;
}

.hero-meta__item:first-child .hero-meta__value {
    font-size: 2.6rem;
}

.hero-meta__value em {
    font-style: normal;
    font-size: 0.5em;
    color: rgba(255, 255, 255, 1);
    margin-left: 4px;
    transition: color 0.5s ease;
}

.hero-meta__divider {
    width: 1px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    transition: background 0.5s ease;
    flex-shrink: 0;
}

/* Revealed state text colors */
.hero.revealed .hero-meta__label {
    color: var(--color-primary);
}

.hero.revealed .hero-meta__value {
    color: #111;
}

.hero.revealed .hero-meta__value em {
    color: #111;
}

.hero.revealed .hero-meta__divider {
    background: rgba(0, 0, 0, 0.15);
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-ja);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 12px 28px;
    border-radius: 50px;
    background: var(--gradient-brand);
    color: #fff;
    position: relative;
    overflow: hidden;
    transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
}

.hero-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s;
}

.hero-cta:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 12px 40px var(--color-primary-glow);
}

.hero-cta:hover::before {
    opacity: 1;
}

/* Scroll indicator */
.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    z-index: 10;
    transition: opacity 0.5s ease;
}

.hero.revealed .hero-scroll {
    opacity: 0;
    pointer-events: none;
}

.hero-scroll span {
    font-family: var(--font-en);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.3em;
    color: rgba(255, 255, 255, 0.6);
}

.hero-scroll__line {
    width: 1px;
    height: 60px;
    background: linear-gradient(180deg, var(--color-primary-light), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0% {
        transform: scaleY(0);
        transform-origin: top;
        opacity: 0;
    }

    50% {
        transform: scaleY(1);
        transform-origin: top;
        opacity: 1;
    }

    100% {
        transform: scaleY(0);
        transform-origin: bottom;
        opacity: 0;
    }
}

/* Hero Numbers Counter (black text on light bg) */
.hero-numbers {
    text-align: center;
    margin-top: 12px;
    padding: 16px 0 20px;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    pointer-events: none;
    overflow: visible;
}

.hero-numbers.is-visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.hero-numbers__title {
    font-family: var(--font-en);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: rgba(0, 0, 0, 0.4);
    margin-bottom: 24px;
    text-transform: uppercase;
}

.hero-numbers__grid {
    display: flex;
    justify-content: center;
    gap: 60px;
    overflow: visible;
}

.hero-numbers__item {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: center;
    overflow: visible;
    padding: 0 16px;
}

.hero-numbers__item>.hero-numbers__value,
.hero-numbers__item>.hero-numbers__unit {
    flex-shrink: 0;
}

.hero-numbers__value {
    font-family: var(--font-numbers);
    font-size: 8.1rem;
    font-weight: 700;
    line-height: 1;
    display: inline-block;
    padding-right: 12px;
    background: linear-gradient(135deg, #1a1a1a 0%, #4a4a4a 60%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
    transform: skewX(-20deg);
    padding-right: 0.1em;
}

.hero-numbers__unit {
    font-family: var(--font-numbers);
    font-weight: 400;
    line-height: 1.2;
    margin-left: -14px;
    margin-bottom: 0.6em;
    display: inline-block;
    padding-right: 6px;
    background: linear-gradient(135deg, #3a3a3a 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transform: skewX(-20deg);
}

/* 回 unit — slightly smaller */
.hero-numbers__item:first-child .hero-numbers__unit {
    font-size: 1.95rem;
}

/* + unit — larger */
.hero-numbers__item:nth-child(2) .hero-numbers__unit,
.hero-numbers__item:nth-child(3) .hero-numbers__unit {
    font-size: 2.4rem;
}

.hero-numbers__label {
    font-family: var(--font-ja);
    font-size: 0.8rem;
    font-weight: 500;
    color: rgba(0, 0, 0, 0.5);
    width: 100%;
    text-align: center;
    margin-top: 8px;
}

/* =============================================
   ABOUT
   ============================================= */
.section--about {
    background: var(--color-bg-section);
    border-top: 1px solid rgba(0, 0, 0, 0.04);
}

.about-lead {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 80px;
}

.about-lead__catchcopy {
    /* 元の値: font-family: var(--font-ja); font-size: clamp(1.6rem, 3.5vw, 2.5rem); */
    font-family: var(--font-ja);
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 900;
    letter-spacing: 0.2em;
    text-indent: 0.2em;
    line-height: 1.5;
    background: linear-gradient(90deg,
            #c41a1a 0%,
            #ff6b35 25%,
            #c41a1a 50%,
            #8b0000 75%,
            #c41a1a 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 30px;
    filter: drop-shadow(0 0 20px var(--color-primary-glow));
    animation: catchcopyGradient 6s ease infinite, catchcopyFadeIn 1s ease-out both;
}

@keyframes catchcopyGradient {
    0% {
        background-position: 0% center;
    }

    50% {
        background-position: 100% center;
    }

    100% {
        background-position: 0% center;
    }
}

@keyframes catchcopyFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.about-lead__text {
    font-family: var(--font-ja);
    color: #2A2E3A;
    font-size: 1.1rem;
    font-weight: 500;
    line-height: 2.4;
    margin-bottom: 24px;
    letter-spacing: 0.06em;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

a.about-feature {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.about-feature {
    padding: 40px 28px 36px;
    border-radius: var(--border-radius-lg);
    background: var(--color-bg-card);
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.about-feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-brand);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease-out);
}

.about-feature:hover {
    background: var(--color-bg-card-hover);
    transform: translateY(-6px);
    border-color: rgba(230, 51, 41, 0.15);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.about-feature:hover::before {
    transform: scaleX(1);
}

.about-feature__number {
    font-family: var(--font-en);
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ff0000 0%, #e60000 30%, #cc0000 60%, #990000 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 16px;
    transform: scaleY(1.2);
    transform-origin: bottom;
    font-style: italic;
}

.about-feature__title {
    font-family: var(--font-en);
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    color: var(--color-text);
    margin-bottom: 14px;
}

.about-feature__desc {
    font-family: var(--font-ja);
    font-size: 1.0rem;
    font-weight: 600;
    color: var(--color-text-muted);
    line-height: 1.9;
    flex-grow: 1;
}

/* =============================================
   NUMBERS / STATS
   ============================================= */
.section--numbers {
    background: #0c0c14;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.section--numbers::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 600px 400px at 20% 50%, rgba(220, 30, 40, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse 500px 400px at 80% 50%, rgba(40, 80, 220, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.numbers-title {
    font-family: var(--font-en);
    font-size: 1.4rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.2em;
    text-align: center;
    margin-bottom: 50px;
    text-transform: uppercase;
    position: relative;
    z-index: 1;
}

.numbers-grid {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 0;
    flex-wrap: nowrap;
    position: relative;
    z-index: 1;
}

.number-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 20px 30px;
    flex: 1;
    position: relative;
}

.number-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
}

.number-item__value {
    font-family: var(--font-en);
    font-size: 5.5rem;
    font-weight: 700;
    color: #fff;
    line-height: 1;
    letter-spacing: -0.03em;
    transform: scaleY(1.3) skewX(-6deg);
    transform-origin: bottom;
    font-style: italic;
}

.number-item__unit {
    font-family: var(--font-en);
    font-size: 2rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.6);
    position: relative;
    top: -1.5rem;
    margin-left: 2px;
}

.number-item__label {
    font-family: var(--font-ja);
    font-size: 1.05rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.55);
    letter-spacing: 0.1em;
    margin-bottom: 24px;
    order: -1;
    text-transform: uppercase;
    white-space: nowrap;
    padding-left: 12px;
}

.numbers-note {
    font-family: var(--font-ja);
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.45);
    text-align: center;
    margin-top: -5px;
    position: relative;
    z-index: 1;
}

/* NUMBERS inside ABOUT (integrated) */
.about-numbers {
    background: #0c0c14;
    padding: 60px 30px;
    border-radius: var(--border-radius-lg);
    margin: 60px 0;
    position: relative;
    overflow: hidden;
}

.about-numbers::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 600px 400px at 20% 50%, rgba(220, 30, 40, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse 500px 400px at 80% 50%, rgba(40, 80, 220, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

/* CORE PROGRAMS Area */
.core-programs-area {
    background: linear-gradient(160deg, #f2f2f2, #eaeaea, #e4e4e4, #ededed);
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    margin-bottom: -200px;
    padding: 20px calc(50vw - 50%) 280px;
}

/* CORE PROGRAMS Header */
.core-programs-section {
    position: relative;
    text-align: center;
    margin: 80px 0 40px;
    padding: 60px 0;
    overflow: visible;
}

.core-programs-bg-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-en);
    font-size: clamp(80px, 16vw, 220px);
    font-weight: 900;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.06;
    white-space: nowrap;
    pointer-events: none;
    z-index: 0;
    line-height: 1;
    user-select: none;
}

.core-programs-section .section-heading {
    position: relative;
    z-index: 1;
    margin-bottom: 16px;
}

.core-programs-header__sub {
    font-family: var(--font-ja);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-muted);
    letter-spacing: 0.08em;
    position: relative;
    z-index: 1;
}

/* Panel Discussion 2-column grid */
.speakers-grid--panel-2col {
    grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 768px) {
    .speakers-grid--panel-2col {
        grid-template-columns: 1fr;
    }

    .about-numbers {
        padding: 40px 16px;
        margin: 40px 0;
    }

    .core-programs-header {
        margin: 50px 0 30px;
    }
}

@media (max-width: 768px) {
    .section--numbers {
        padding: 50px 0;
    }

    .numbers-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 10px 0;
    }

    .number-item {
        padding: 20px 10px;
    }

    .number-item__value {
        font-size: 2.8rem;
    }

    .number-item__unit {
        font-size: 1.2rem;
        top: -0.8rem;
    }

    .number-item:not(:last-child)::after {
        display: none;
    }
}

/* =============================================
   SPEAKERS
   ============================================= */
.section--speakers {
    background:
        radial-gradient(ellipse 700px 600px at 85% 10%, rgba(220, 30, 40, 0.45) 0%, transparent 60%),
        radial-gradient(ellipse 500px 500px at 95% 40%, rgba(255, 100, 50, 0.3) 0%, transparent 55%),
        radial-gradient(ellipse 600px 600px at 10% 80%, rgba(40, 80, 220, 0.35) 0%, transparent 55%),
        radial-gradient(ellipse 400px 400px at 25% 30%, rgba(120, 40, 200, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse 350px 350px at 60% 90%, rgba(0, 180, 180, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse 300px 300px at 50% 50%, rgba(255, 60, 120, 0.12) 0%, transparent 50%),
        linear-gradient(160deg, #0D1117 0%, #12101f 50%, #0D1117 100%);
    position: relative;
    overflow: hidden;
}

/* Additional vivid accent orb */
.section--speakers::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 180, 0, 0.25) 0%, transparent 60%);
    top: 40%;
    right: 5%;
    pointer-events: none;
    filter: blur(40px);
}

.section--speakers::after {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 200, 150, 0.2) 0%, transparent 55%);
    bottom: -10%;
    left: 30%;
    pointer-events: none;
    filter: blur(30px);
}

/* Dark section text overrides */
.section--speakers .section-heading__en {
    background: linear-gradient(135deg, #ffffff 0%, #C8C8D0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section--speakers .section-heading__ja {
    color: #8B8FA3;
}

.section--speakers .section-bg-text {
    color: rgba(255, 255, 255, 0.04);
}

.speakers-category {
    position: relative;
    margin-top: 100px;
    margin-bottom: 48px;
    padding: 0 0 0 0;
    background: none;
    border: none;
    border-radius: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
    overflow: visible;
    scroll-margin-top: 100px;
}

.speakers-category::before {
    content: '';
    position: absolute;
    bottom: -16px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--color-primary);
    border-radius: 2px;
}

.speakers-category::after {
    display: none;
}

.speakers-category__name {
    font-family: var(--font-en);
    font-size: clamp(3.5rem, 8vw, 5.5rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    color: #fff;
    -webkit-text-fill-color: unset;
    background: none;
    -webkit-background-clip: unset;
    background-clip: unset;
    filter: none;
    line-height: 1;
    text-transform: uppercase;
}

.speakers-category__theme {
    font-family: var(--font-ja);
    font-size: 2.2rem;
    font-weight: 900;
    background: linear-gradient(90deg,
            rgba(160, 200, 240, 0.9) 0%,
            rgba(255, 255, 255, 0.95) 25%,
            rgba(160, 200, 240, 0.9) 50%,
            rgba(255, 255, 255, 0.95) 75%,
            rgba(160, 200, 240, 0.9) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: catchcopyGradient 6s ease infinite;
    letter-spacing: 0.08em;
    line-height: 1.5;
    margin-top: 16px;
    padding-left: 2px;
}

.speakers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

/* Panel Discussion 2-column grid (overrides .speakers-grid) */
.speakers-grid.speakers-grid--panel-2col {
    grid-template-columns: repeat(2, 1fr);
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
    gap: 20px;
}

.speakers-grid--panel-2col .speaker-card__image {
    aspect-ratio: auto;
    height: 340px;
}

.speakers-grid--panel-2col .speaker-card__image img,
.speakers-grid--panel-2col .speaker-card__placeholder {
    height: 100%;
}

.speakers-grid--panel-2col .speaker-card__name {
    font-size: 1.2rem;
}

.speakers-grid--panel-2col .speaker-card__title {
    font-size: 0.8rem;
}

.keynote-feature {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.speakers-grid--keynote {
    flex-shrink: 0;
    width: 420px;
    grid-template-columns: 1fr;
    margin-bottom: 0;
}

.keynote-description {
    flex: 1;
    padding: 20px 0;
}

.keynote-description__title {
    font-family: var(--font-ja);
    font-size: 1.5rem;
    font-weight: 700;
    color: rgb(210, 140, 140);
    margin-bottom: 16px;
    line-height: 1.4;
}

.keynote-description__text {
    font-size: 0.95rem;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 28px;
}

.keynote-description__highlights {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.keynote-highlight {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.keynote-highlight__icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.keynote-highlight__text {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
}

.speaker-card {
    border-radius: var(--border-radius-lg);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.06);
    overflow: hidden;
    transition: var(--transition-base);
    box-shadow: none;
    display: flex;
    flex-direction: column;
}

.speaker-card:hover {
    transform: translateY(-8px);
    border-color: rgba(230, 51, 41, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.speaker-card--featured {
    border-color: rgba(230, 51, 41, 0.2);
    background: linear-gradient(180deg, rgba(184, 28, 35, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
}

.speaker-card__image {
    aspect-ratio: 1/1;
    overflow: hidden;
    position: relative;
}

.speaker-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 20%;
    transition: transform 0.5s var(--ease-out);
}

.speaker-card:hover .speaker-card__image img {
    transform: scale(1.05);
}

.speaker-card__placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(184, 28, 35, 0.15) 0%, rgba(13, 17, 23, 0.8) 100%);
    font-family: var(--font-en);
    font-size: 1.5rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.3);
    text-align: center;
    line-height: 1.4;
}

.speaker-card__placeholder--soon {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.08);
}

.speaker-card__info {
    padding: 24px;
}

.speaker-card__role {
    display: inline-block;
    font-family: var(--font-en);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: #FFFFFF;
    padding: 3px 10px;
    border-radius: 2px;
    background: rgba(230, 51, 41, 0.7);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    text-transform: uppercase;
    position: absolute;
    bottom: 8px;
    right: 8px;
    z-index: 2;
    margin-bottom: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.speaker-card__name {
    font-family: var(--font-ja);
    font-size: 1.5rem;
    font-weight: 900;
    color: #E8E8EC;
    margin-bottom: 8px;
}

.speaker-card__title {
    font-size: 1rem;
    color: #FFFFFF;
    line-height: 1.6;
}

.speaker-card__logo {
    position: absolute;
    top: 15px;
    left: 15px;
    z-index: 2;
    margin: 0;
    padding: 0;
    border: none;
}

.speaker-card__logo img {
    width: 100px !important;
    height: 32px !important;
    object-fit: contain !important;
    object-position: center center !important;
    background: rgba(255, 255, 255, 0.95);
    padding: 4px 8px;
    border-radius: 6px;
    transition: opacity 0.3s ease;
}

.speaker-card:hover .speaker-card__logo img {
    opacity: 1;
}

.speaker-card__bio {
    display: none;
}

/* Speaker cards - clickable indicator */
.speaker-card:not(.speaker-card--coming-soon) {
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.speaker-card:not(.speaker-card--coming-soon):hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(184, 28, 35, 0.15);
}

.speaker-card:not(.speaker-card--coming-soon)::after {
    content: '▶ プロフィールを見る';
    display: block;
    text-align: center;
    font-family: var(--font-ja);
    font-size: 0.85rem;
    font-weight: 600;
    color: #FFFFFF;
    padding: 14px 0;
    letter-spacing: 0.1em;
    margin-top: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    transition: color 0.3s ease, background 0.3s ease;
}

.speaker-card:not(.speaker-card--coming-soon):hover::after {
    color: #fff;
    background: rgba(184, 28, 35, 0.3);
}

/* ---- Speaker Modal ---- */
.speaker-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    padding: 20px;
}

.speaker-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.speaker-modal {
    background: #ffffff;
    border: none;
    border-radius: 20px;
    max-width: 640px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    padding: 40px;
    transform: translateY(20px) scale(0.95);
    transition: transform 0.3s ease;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.3);
}

.speaker-modal-overlay.active .speaker-modal {
    transform: translateY(0) scale(1);
}

.speaker-modal__close {
    position: absolute;
    top: -12px;
    right: -12px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-primary);
    border: none;
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease, transform 0.2s ease;
    z-index: 1;
}

.speaker-modal__close:hover {
    background: var(--color-primary-light);
    transform: scale(1.1);
}

.speaker-modal__header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto auto auto;
    gap: 0;
    margin-bottom: 24px;
    position: relative;
    align-items: start;
}

.speaker-modal__image {
    width: calc(100% - 10px);
    height: auto;
    aspect-ratio: 1 / 1;
    border-radius: 16px;
    overflow: hidden;
    grid-column: 1;
    grid-row: 1;
}

.speaker-modal__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.speaker-modal__placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #e8e9ee, #d5d7de);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-en);
    font-size: 2rem;
    font-weight: 700;
    color: rgba(0, 0, 0, 0.15);
}

.speaker-modal__logo {
    grid-column: 2;
    grid-row: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0;
    padding: 0;
    align-self: center;
}

.speaker-modal__logo img {
    height: auto;
    max-height: 64px;
    max-width: 220px;
    width: auto;
    object-fit: contain;
    padding: 0;
}

.speaker-modal__name {
    grid-column: 1 / -1;
    grid-row: 2;
    font-family: var(--font-ja);
    font-size: 1.5rem;
    font-weight: 900;
    color: #1A1D23;
    margin-bottom: 0;
    margin-top: 16px;
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.speaker-modal__role {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    padding: 3px 10px;
    border-radius: 3px;
    background: var(--color-primary);
    color: #fff;
    margin-bottom: 0;
    width: fit-content;
    grid-column: 1 / -1;
    grid-row: 4;
    margin-top: 12px;
}

.speaker-modal__title {
    grid-column: 1 / -1;
    grid-row: 3;
    font-size: 0.95rem;
    color: #5A5F72;
    line-height: 1.5;
    margin-top: 4px;
}

.speaker-modal__divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.1), transparent);
    margin-bottom: 24px;
}

.speaker-modal__bio {
    font-family: var(--font-ja);
    font-size: 0.95rem;
    color: #3A3F52;
    line-height: 1.8;
    letter-spacing: 0.02em;
}

@media (max-width: 768px) {
    .speaker-modal {
        padding: 24px 20px;
        max-height: 85vh;
    }

    .speaker-modal__header {
        display: grid;
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto auto auto auto;
        gap: 0;
        align-items: start;
        padding-bottom: 0;
        margin-bottom: 12px;
    }

    .speaker-modal__image {
        width: calc(100% - 10px);
        height: auto;
        aspect-ratio: 1 / 1;
        border-radius: 14px;
        overflow: hidden;
        grid-column: 1;
        grid-row: 1;
    }

    .speaker-modal__logo {
        grid-column: 2;
        grid-row: 1;
        width: auto;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 0;
        padding: 0;
        align-self: center;
    }

    .speaker-modal__logo img {
        height: auto;
        max-height: 56px;
        max-width: 100%;
        width: auto;
        padding: 0;
    }

    .speaker-modal__name {
        grid-column: 1 / -1;
        grid-row: 2;
        font-size: 1.4rem;
        margin-bottom: 0;
        margin-top: 16px;
    }

    .speaker-modal__title {
        grid-column: 1 / -1;
        grid-row: 3;
        font-size: 0.78rem;
        line-height: 1.5;
        margin-top: 4px;
    }

    .speaker-modal__role {
        grid-column: 1 / -1;
        grid-row: 4;
        margin-left: 0;
        margin-right: 0;
        font-size: 0.6rem;
        padding: 3px 10px;
        border-radius: 3px;
        letter-spacing: 0.08em;
        position: relative;
        top: 0;
        margin-top: 12px;
        margin-bottom: 0;
    }

    .speaker-modal__divider {
        margin-bottom: 12px;
    }

    .speaker-modal__bio {
        line-height: 1.8;
        font-size: 0.9rem;
    }
}

.speaker-card--coming-soon {
    opacity: 0.5;
}

.speaker-card--coming-soon:hover {
    opacity: 0.7;
    transform: translateY(-4px);
}

/* =============================================
   TIMETABLE
   ============================================= */
.section--timetable {
    background: var(--color-bg-section);
}

.timetable {
    max-width: 800px;
    margin: 0 auto;
}

.timetable__row {
    display: flex;
    gap: 30px;
    padding: 28px 32px;
    border-radius: var(--border-radius-md);
    margin-bottom: 8px;
    background: var(--color-bg-card);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: var(--transition-base);
}

.timetable__row:hover {
    background: var(--color-bg-card-hover);
    border: 4px solid rgba(230, 51, 41, 0.4);
    transform: translateX(8px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.timetable__row--highlight {
    /* accent applied on hover only */
    position: relative;
}

.timetable__time {
    font-family: var(--font-en);
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--color-primary-light);
    min-width: 80px;
    flex-shrink: 0;
    padding-top: 4px;
}

.timetable__content h4 {
    font-family: var(--font-ja);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 4px;
}

.timetable__content p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.timetable__tag {
    display: inline-block;
    font-family: var(--font-en);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    padding: 3px 10px;
    border-radius: 4px;
    margin-bottom: 8px;
}

.timetable__tag--opening {
    background: rgba(0, 0, 0, 0.05);
    color: var(--color-text-muted);
}

.timetable__tag--keynote {
    background: rgba(184, 28, 35, 0.1);
    color: var(--color-primary);
}

.timetable__tag--panel {
    background: rgba(70, 100, 220, 0.1);
    color: #4664DC;
}

.timetable__tag--pitch {
    background: rgba(40, 160, 80, 0.1);
    color: #28A050;
}

.timetable__tag--networking {
    background: rgba(220, 150, 30, 0.1);
    color: #C89020;
}

.timetable__tag--closing {
    background: rgba(0, 0, 0, 0.05);
    color: var(--color-text-muted);
}

/* =============================================
   OUTLINE
   ============================================= */
.section--outline {
    background:
        radial-gradient(ellipse 600px 500px at 10% 15%, rgba(255, 140, 30, 0.4) 0%, transparent 55%),
        radial-gradient(ellipse 500px 500px at 90% 80%, rgba(30, 180, 210, 0.35) 0%, transparent 55%),
        radial-gradient(ellipse 450px 400px at 80% 20%, rgba(220, 50, 80, 0.25) 0%, transparent 50%),
        radial-gradient(ellipse 350px 350px at 30% 70%, rgba(100, 60, 220, 0.22) 0%, transparent 50%),
        radial-gradient(ellipse 300px 300px at 55% 40%, rgba(255, 200, 50, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 400px 300px at 70% 60%, rgba(0, 220, 130, 0.15) 0%, transparent 50%),
        linear-gradient(160deg, #0D1117 0%, #15101a 50%, #0D1117 100%);
    position: relative;
    overflow: hidden;
}

/* Additional vivid accent orb */
.section--outline::before {
    content: '';
    position: absolute;
    width: 450px;
    height: 450px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 80, 120, 0.2) 0%, transparent 55%);
    top: 20%;
    left: 60%;
    pointer-events: none;
    filter: blur(30px);
}

.section--outline::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(60, 120, 255, 0.18) 0%, transparent 55%);
    bottom: 10%;
    right: 70%;
    pointer-events: none;
    filter: blur(35px);
}

/* Dark section text overrides */
.section--outline .section-heading__en {
    background: linear-gradient(135deg, #ffffff 0%, #C8C8D0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section--outline .section-heading__ja {
    color: #8B8FA3;
}

.section--outline .section-bg-text {
    color: rgba(255, 255, 255, 0.04);
}

.outline {
    max-width: 800px;
    margin: 0 auto;
}

.outline__list {
    margin-bottom: 60px;
}

.outline__item {
    display: flex;
    gap: 40px;
    padding: 24px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.outline__item:first-child {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.outline__item dt {
    font-family: var(--font-ja);
    font-weight: 700;
    font-size: 0.9rem;
    color: #FFFFFF;
    min-width: 120px;
    flex-shrink: 0;
}

.outline__item dd {
    font-weight: 500;
    color: #FFFFFF;
    font-size: 1rem;
}

.outline__sub {
    display: block;
    font-size: 0.8rem;
    color: #FFFFFF;
    margin-top: 4px;
}

.outline__cta {
    text-align: center;
}

.btn-register {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-ja);
    font-weight: 700;
    font-size: 1.05rem;
    padding: 20px 48px;
    border-radius: 50px;
    background: var(--gradient-brand);
    color: #fff;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-register::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s;
}

.btn-register:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 12px 40px var(--color-primary-glow);
}

.btn-register:hover::before {
    opacity: 1;
}

/* =============================================
   PAST EVENTS
   ============================================= */
.section--past {
    background: var(--color-bg-section);
}

/* =============================================
   ACCESS
   ============================================= */
.section--access {
    background: var(--color-bg-section-alt);
}

.access-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
    align-items: stretch;
}

.access-map {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.access-map iframe {
    display: block;
    height: 100%;
    min-height: 300px;
}

.access-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
    padding: 20px 0;
}

.access-info__item {
    padding: 24px;
    border-radius: var(--border-radius-md);
    background: var(--color-bg-card);
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.access-info__label {
    font-family: var(--font-ja);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
    letter-spacing: 0.1em;
}

.access-info__value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 4px;
}

.access-info__sub {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.8;
}

/* Access Routes (Station List) */
.access-routes {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 12px;
}

.access-routes--inline {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px 16px;
}

.access-route {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.access-route__line {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    padding: 4px 0;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.05em;
    flex-shrink: 0;
}

.access-route__line--jr {
    background: #0072BC;
}

.access-route__line--hankyu {
    background: #8B1A2B;
}

.access-route__line--hanshin {
    background: #F58220;
}

.access-route__line--subway {
    background: #2E8B57;
    text-decoration: none;
}

.access-route__text {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Access Directions (Step by Step) */
.access-directions {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-top: 8px;
}

.access-step {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.access-step:last-child {
    border-bottom: none;
}

.access-step__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 2px;
}

.access-step__text {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin: 0;
}

.access-step__text strong {
    color: var(--color-text);
    font-weight: 700;
}

@media (max-width: 768px) {
    .access-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .access-map iframe {
        height: 280px;
    }

    /* 地下鉄の下の破線を消す */
    .access-info__item:last-child {
        border-bottom: none;
    }

    /* 駅名と徒歩時間を一行に */
    .access-route__text br {
        display: none;
    }

    .access-route__text {
        font-size: 0.8rem;
        white-space: nowrap;
    }

    /* ルートを1列にして幅を確保 */
    .access-routes--inline {
        grid-template-columns: 1fr;
        gap: 6px;
    }
}

.past-events {
    display: grid;
    gap: 16px;
    max-width: 800px;
    margin: 0 auto;
}

.past-event {
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 32px;
    border-radius: var(--border-radius-lg);
    background: var(--color-bg-card);
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.past-event__number {
    font-family: var(--font-en);
    font-size: 2.5rem;
    font-weight: 900;
    color: rgba(230, 51, 41, 0.2);
    flex-shrink: 0;
    min-width: 60px;
}

.past-event__info {
    flex: 1;
}

.past-event__title {
    font-family: var(--font-en);
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 4px;
}

.past-event__date {
    font-size: 0.8rem;
    color: var(--color-primary-light);
    margin-bottom: 8px;
}

.past-event__desc {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}


/* =============================================
   FOOTER
   ============================================= */
/* ---- Sponsors ---- */
.section--sponsors {
    background: #e8e8ec;
}

.sponsor-category {
    margin-bottom: 40px;
}

.sponsor-category__title {
    font-family: var(--font-ja);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-strong);
    margin-bottom: 20px;
    padding-left: 14px;
    border-left: 3px solid var(--color-primary);
    letter-spacing: 0.1em;
}

.sponsor-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    justify-content: center;
}

.sponsor-list--primary {
    grid-template-columns: repeat(3, 1fr);
}

.sponsor-list--primary .sponsor-item {
    width: 100%;
    height: 160px;
    padding: 32px;
}

.sponsor-item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 110px;
    padding: 16px;
    border-radius: 12px;
    background: #FFFFFF;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: var(--transition-base);
    overflow: hidden;
}

.sponsor-item:hover {
    border-color: rgba(0, 0, 0, 0.08);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transform: none;
}

.sponsor-item:not(:has(img)):not(:has(span)):not(:has(p)) {
    display: none;
}

.sponsor-item--logo {
    /* Base style inherited from .sponsor-item */
}

.sponsor-logo {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    opacity: 0.95;
    transition: opacity 0.3s ease;
}

.sponsor-item--logo:hover .sponsor-logo {
    opacity: 1;
}

.sponsor-item__name {
    font-family: var(--font-ja);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-strong);
    text-align: center;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.sponsor-item--small {
    height: 100px;
    padding: 6px;
}

.sponsor-item--small .sponsor-logo {
    max-height: 100%;
}

.footer {
    padding: 80px 0 40px;
    background: var(--color-bg-footer);
    color: #E8E8EC;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(230, 51, 41, 0.3), transparent);
}

.footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 40px;
}

.footer__brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.footer-logo-img {
    height: 40px;
    width: auto;
    filter: invert(1) brightness(2);
    opacity: 0.8;
}

.footer__contact {
    line-height: 2;
}

.footer__contact h4 {
    font-family: var(--font-ja);
    font-size: 0.85rem;
    font-weight: 700;
    color: #E8E8EC;
    margin-bottom: 8px;
}

.footer__contact p {
    font-size: 0.85rem;
    color: #8B8FA3;
}

.footer__contact a {
    color: var(--color-primary-light);
    font-size: 0.85rem;
}

.footer__contact a:hover {
    text-decoration: underline;
}

.footer__bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    width: 100%;
}

.footer__bottom p {
    font-size: 0.75rem;
    color: #6B6F82;
    font-family: var(--font-en);
    letter-spacing: 0.05em;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
    :root {
        --section-padding: 100px;
    }

    /* Header - tighter nav at medium widths */
    .nav ul {
        gap: 12px;
        flex-wrap: nowrap;
    }

    .nav a {
        font-size: 0.75rem;
        white-space: nowrap;
    }

    .btn-cta {
        font-size: 0.75rem;
        padding: 8px 18px;
    }

    .header {
        padding: 0 20px;
    }

    .logo-img {
        height: 30px;
    }

    .about-features {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }

    /* Panel / Pitch — 3 columns (exclude keynote and panel-2col) */
    .speakers-grid:not(.speakers-grid--keynote):not(.speakers-grid--panel-2col) {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Numbers grid */
    .numbers-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0;
        padding: 0 10px;
    }

    .number-item__value {
        font-size: 3.5rem;
    }

    .number-item:not(:last-child)::after {
        display: none;
    }

    /* Timetable */
    .timetable__title {
        font-size: 0.9rem;
    }

    /* =============================================
       Keynote — large photo left, compact text right
       ============================================= */
    .keynote-feature {
        gap: 24px;
        align-items: flex-start;
    }

    .speakers-grid--keynote {
        grid-template-columns: 1fr;
        width: 38%;
        min-width: 260px;
        flex-shrink: 0;
    }

    .keynote-description__title {
        font-size: 1.15rem;
        margin-bottom: 8px;
    }

    .keynote-description__text {
        font-size: 0.82rem;
        line-height: 1.7;
        margin-bottom: 14px;
    }

    .keynote-highlight {
        padding: 8px 12px;
    }

    .keynote-highlight__text {
        font-size: 0.78rem;
    }

    .keynote-description__highlights {
        gap: 6px;
    }

    /* Sponsors */
    .sponsor-list--cooperation {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ---- Header Tablet Breakpoint (nav → hamburger) ---- */
@media (max-width: 1024px) {
    .nav {
        position: fixed;
        top: -100px;
        left: -50vw;
        width: 200vw;
        height: calc(100vh + 200px);
        background: rgba(0, 0, 0, 0.90);
        backdrop-filter: blur(40px);
        -webkit-backdrop-filter: blur(40px);
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.4s ease, visibility 0.4s ease;
        z-index: 1000;
    }

    .nav.active {
        opacity: 1;
        visibility: visible;
    }

    .nav ul {
        flex-direction: column;
        align-items: center;
        gap: 36px;
        padding: 0;
        margin: 0;
        list-style: none;
    }

    .nav a {
        font-family: var(--font-en);
        font-size: 1.3rem;
        font-weight: 600;
        letter-spacing: 0.15em;
        color: #FFFFFF;
        text-decoration: none;
        position: relative;
        top: 0;
        padding: 8px 0;
        transition: color 0.3s ease;
    }

    .nav a:hover {
        color: var(--color-primary);
    }

    .nav a::after {
        bottom: 0;
    }

    .btn-cta {
        display: none;
    }

    .hamburger {
        display: flex;
        z-index: 1001;
    }

    .header {
        width: 95%;
        padding: 0 20px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px;
    }

    .container {
        padding: 0 24px;
    }

    /* Hero Mobile */
    .hero-title__beyond,
    .hero-title__limits {
        font-size: 3.2rem;
    }

    .hero-title__year {
        font-size: 4.5rem;
    }

    .hero-meta {
        flex-direction: column;
        gap: 4px;
        margin-top: 12px;
        margin-bottom: 14px;
        max-width: 100%;
        padding: 0 10px;
    }

    .hero-meta__divider {
        display: none;
    }

    .hero-meta__label {
        margin-bottom: 2px;
        font-size: 0.7rem;
        line-height: 1;
    }

    .hero-meta__value {
        font-size: 1.3rem;
        line-height: 1.2;
    }

    .hero-meta__item:first-child .hero-meta__value {
        font-size: 2.6rem;
        line-height: 1;
    }

    .hero-content {
        justify-content: flex-start;
        padding: 200px 20px 16px;
    }

    .hero-title {
        margin-top: 0;
        margin-bottom: 0;
    }

    .hero-cta {
        padding: 8px 22px;
        font-size: 0.72rem;
    }

    /* Speakers Mobile */
    .speakers-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    /* Override the 1024px 3-col rule with matching specificity */
    .speakers-grid:not(.speakers-grid--keynote):not(.speakers-grid--panel-2col) {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .speakers-grid.speakers-grid--panel-2col {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .speakers-grid--panel-2col .speaker-card__image {
        height: auto;
        aspect-ratio: 1/1;
    }

    .speakers-grid--panel-2col .speaker-card__title {
        font-size: 0.8rem;
        line-height: 1.5;
        white-space: normal;
    }

    .speakers-grid--panel-2col .speaker-card__name {
        font-size: 1.1rem;
    }

    /* Role badge -> overlay on photo bottom-right */
    .speaker-card__role {
        font-size: 0.55rem;
        padding: 3px 8px;
        white-space: nowrap;
        letter-spacing: 0.05em;
        margin-bottom: 0;
        position: absolute;
        bottom: 8px;
        right: 8px;
        z-index: 2;
    }

    .speaker-card {
        flex-direction: column;
        align-items: stretch;
        text-align: left;
    }

    .speaker-card__image {
        width: 100%;
        height: auto;
        aspect-ratio: 1/1;
        flex-shrink: 0;
        position: relative;
    }

    .speaker-img--katada {
        transform: scale(1.1) !important;
    }

    .speaker-card__info {
        padding: 10px 10px;
        flex: 1;
        min-width: 0;
    }

    .speaker-card__name {
        font-size: 0.85rem;
        margin-bottom: 2px;
    }

    .speaker-card__title {
        font-size: 0.7rem;
        line-height: 1.4;
        white-space: normal;
    }

    .speaker-card__logo {
        top: 8px;
        left: 8px;
    }

    .speaker-card__logo img {
        width: 72px !important;
        height: 22px !important;
        padding: 3px 6px !important;
        border-radius: 4px;
    }

    .speakers-grid--keynote .speaker-card__logo img,
    .speakers-grid--panel-2col .speaker-card__logo img {
        width: 94px !important;
        height: 29px !important;
        padding: 4px 8px !important;
    }

    .speaker-card:not(.speaker-card--coming-soon)::after {
        display: block;
        font-size: 0.65rem;
        padding: 8px 0;
        letter-spacing: 0;
        content: '▶ 詳細を見る';
    }

    .keynote-feature {
        flex-direction: column;
        align-items: center;
    }

    .speakers-grid--keynote {
        width: 100%;
        max-width: 100%;
        margin: 0 auto;
    }

    .speakers-grid--keynote .speaker-card {
        text-align: center;
        align-items: center;
    }

    .speakers-grid--keynote .speaker-card__info {
        text-align: center;
    }

    /* Timetable Mobile */
    .timetable__row {
        flex-direction: column;
        gap: 8px;
        padding: 20px 24px;
    }

    .timetable__time {
        font-size: 1.1rem;
    }

    /* Outline Mobile */
    .outline__item {
        flex-direction: column;
        gap: 8px;
    }

    .outline__item dt {
        min-width: auto;
    }

    .btn-register {
        padding: 16px 36px;
        font-size: 0.95rem;
    }

    /* Past Events Mobile */
    .past-event {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        padding: 24px;
    }

    .past-event__arrow {
        align-self: flex-end;
    }

    /* Section headings */
    .section-heading {
        margin-bottom: 50px;
    }

    /* ---- Hero Numbers Mobile ---- */
    .hero-numbers {
        padding: 12px 0 0;
        margin-top: 16px;
    }

    .hero-numbers__title {
        font-size: 0.65rem;
        margin-bottom: 12px;
    }

    .hero-numbers__grid {
        gap: 8px;
    }

    .hero-numbers__item {
        white-space: nowrap;
        padding: 0 12px;
        overflow: visible;
    }

    .hero-numbers__value {
        font-size: 3.8rem;
        padding-right: 2px;
    }

    .hero-numbers__unit {
        margin-left: 0;
        margin-bottom: 0.3em;
    }

    .hero-numbers__item:first-child .hero-numbers__unit {
        font-size: 1rem;
    }

    .hero-numbers__item:nth-child(2) .hero-numbers__unit,
    .hero-numbers__item:nth-child(3) .hero-numbers__unit {
        font-size: 1.1rem;
    }

    .hero-numbers__label {
        font-size: 0.7rem;
        white-space: normal;
    }

    /* ---- CONCEPT Text Mobile ---- */
    .about-lead {
        text-align: left;
        margin-bottom: 40px;
    }

    .about-lead__catchcopy {
        font-size: 2.4rem;
        text-align: center;
    }

    .about-lead__text--lead {
        font-size: 0.95rem;
    }

    .about-lead__text {
        font-size: 0.85rem;
        line-height: 1.8;
    }

    .about-lead br {
        display: none;
    }

    /* ---- Core Programs Mobile ---- */
    .about-features {
        grid-template-columns: 1fr !important;
        gap: 16px;
    }

    .about-feature {
        padding: 24px 20px;
    }

    .about-feature__title {
        font-size: 1.8rem;
    }

    .about-feature__desc {
        font-size: 0.85rem;
    }

    .core-programs-bg-text {
        font-size: 3rem;
    }

    /* ---- Speakers Category Mobile ---- */
    .speakers-category--emphasized {
        padding: 16px;
    }

    .speakers-category__name {
        font-size: 13.5vw;
    }

    .speakers-category__theme {
        font-size: 1.3rem;
        line-height: 1.4;
    }

    /* ---- Speaker Cards Mobile ---- */
    .speaker-card__bio {
        font-size: 0.8rem;
        line-height: 1.6;
    }

    /* ---- Sponsors Mobile ---- */
    .sponsor-list--primary {
        grid-template-columns: repeat(2, 1fr);
    }

    .sponsor-list--primary .sponsor-item {
        height: 110px;
        padding: 20px;
    }

    .sponsor-item {
        height: 80px;
        padding: 12px;
    }

    .sponsor-list--cooperation {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    .sponsor-logo {
        max-height: 50px;
    }

    /* ---- Section bg text Mobile ---- */
    .section-bg-text {
        font-size: 3.5rem;
    }
}

@media (max-width: 480px) {

    .hero-title__beyond,
    .hero-title__limits {
        font-size: 2.5rem;
    }

    .hero-title__year {
        font-size: 3.5rem;
    }

    .hero-kicker {
        font-size: 0.7rem;
        padding: 8px 20px;
        letter-spacing: 0.2em;
    }

    /* ---- Hero Numbers 480px ---- */
    .hero-numbers__grid {
        flex-direction: row;
        flex-wrap: nowrap;
        align-items: center;
        gap: 6px;
    }

    .hero-numbers__value {
        font-size: 3.2rem;
    }

    .hero-numbers__item {
        padding: 0 4px;
        overflow: visible;
    }

    /* ---- CONCEPT 480px ---- */
    .about-lead__catchcopy {
        font-size: 1.65rem;
    }

    /* ---- Sponsors 480px ---- */
    .sponsor-list--primary {
        grid-template-columns: 1fr;
    }

    .sponsor-list--cooperation {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

/* =============================================
   BACK TO TOP BUTTON
   ============================================= */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-brand);
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.4s var(--ease-out), visibility 0.4s var(--ease-out), transform 0.4s var(--ease-out), box-shadow 0.3s ease;
    box-shadow: 0 4px 16px rgba(184, 28, 35, 0.3);
}

.back-to-top__label {
    font-size: 0.55rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    white-space: nowrap;
    line-height: 1;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 28px rgba(184, 28, 35, 0.45);
}

/* =============================================
   ACCESS LINK
   ============================================= */
.access-info__link {
    display: block;
    font-family: var(--font-ja);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-top: 8px;
    margin-bottom: 0;
    padding: 8px 0 2px;
    transition: var(--transition-base);
    line-height: 1.8;
}

.access-info__link:hover {
    text-decoration: underline;
}

.access-info__link {
    margin-bottom: 0;
    padding-bottom: 2px;
}

.access-info__url {
    display: block;
    font-size: 0.75rem;
    color: var(--color-primary);
    margin-top: 2px;
    word-break: break-all;
    transition: var(--transition-base);
    text-decoration: none;
}

.access-info__link:hover .access-info__url {
    text-decoration: underline;
}

/* =============================================
   FOOTER CONTACT BUTTON
   ============================================= */
.btn-contact {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 32px;
    margin-top: 12px;
    border-radius: 50px;
    background: var(--gradient-brand);
    color: #fff !important;
    font-family: var(--font-ja);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    transition: var(--transition-base);
    box-shadow: 0 4px 16px rgba(184, 28, 35, 0.3);
}

.btn-contact:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(184, 28, 35, 0.45);
    text-decoration: none;
}

/* =============================================
   EMPHASIZED SESSION CATEGORIES
   ============================================= */
.speakers-category--emphasized {
    background: none;
    border: none;
    box-shadow: none;
}

/* =============================================
   ABOUT LEAD TEXT VARIANT
   ============================================= */
.about-lead__text--lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-text);
}

@media (max-width: 768px) {
    .about-lead__text--lead {
        font-size: 0.95rem;
    }
}