@charset "UTF-8";

/* ==========================================================================
   Variables
   ========================================================================== */
:root {
    /* Colors */
    --c-primary-start: #ff8eb3;
    --c-primary-end: #c87be0;
    --c-primary: #e884c9; /* mid-point */
    --c-text: #59535c;
    --c-text-light: #8e8891;
    --c-bg: #ffffff;
    --c-bg-light: #faf7fc;
    --c-border: #f0e6f5;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--c-primary-start) 0%, var(--c-primary-end) 100%);
    --gradient-hero: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(250,245,252,1) 100%);
    --gradient-cta: linear-gradient(135deg, #eaddf5 0%, #f7dbe3 100%);

    /* Fonts */
    --font-base: 'LINE Seed JP', sans-serif;
    --font-serif: 'Noto Serif JP', serif;

    /* Layout */
    --content-width: 1100px;
    --header-height: 80px;

    /* Animation */
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 62.5%; /* 1rem = 10px */
}

body {
    font-family: var(--font-base);
    font-size: 1.5rem;
    line-height: 1.8;
    color: var(--c-text);
    background-color: var(--c-bg);
    overflow-x: hidden;
    letter-spacing: 0.05em;
}

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

ul {
    list-style: none;
}

img, svg {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

.serif {
    font-family: var(--font-serif);
    font-weight: 500;
}

.en {
    font-family: var(--font-base);
    font-weight: 400;
}

/* ==========================================================================
   Typography & Utilities
   ========================================================================== */
.section-title {
    font-family: var(--font-base);
    font-weight: 700;
    font-size: 2.4rem;
    letter-spacing: 0.3em;
    text-align: center;
    color: var(--c-primary);
    margin-bottom: 4rem;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section-title::after {
    content: '';
    width: 40px;
    height: 1px;
    background-color: var(--c-primary);
    margin-top: 1rem;
}

.section-title.left {
    text-align: left;
    align-items: flex-start;
}

.section {
    padding: 10rem 2rem;
    position: relative;
}

.bg-light {
    background-color: var(--c-bg-light);
}

.mt-4 {
    margin-top: 4rem;
}

/* Image Placeholder */
.image-placeholder {
    background-color: #f0f0f0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
}

.gradient-bg {
    background: var(--gradient-primary);
    opacity: 0.8;
}

.placeholder-icon {
    color: rgba(255, 255, 255, 0.5);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1.2rem 3rem;
    border-radius: 50px;
    font-size: 1.4rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn .arrow {
    margin-left: 1rem;
    transition: transform 0.3s ease;
}

.btn:hover .arrow {
    transform: translateX(4px);
}

.btn--outline {
    border: 1px solid var(--c-primary-start);
    color: var(--c-primary);
    background: transparent;
}

.btn--outline:hover {
    background: var(--c-primary-start);
    color: #fff;
}

.btn--primary {
    background: var(--c-primary);
    color: #fff;
    border: none;
    box-shadow: 0 2px 8px rgba(232, 132, 201, 0.2);
}

.btn--primary:hover {
    background: #df73be;
    box-shadow: 0 6px 16px rgba(232, 132, 201, 0.35);
    transform: translateY(-2px);
}

.btn--white {
    background: #fff;
    color: var(--c-primary);
    border: 1px solid #fff;
}

.btn--white:hover {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transform: translateY(-2px);
}

.btn-container {
    text-align: center;
    margin-top: 5rem;
}

.btn-container.left {
    text-align: left;
}

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--c-primary-start);
    color: var(--c-primary-start);
    transition: var(--transition);
}

.icon-btn:hover {
    background: var(--c-primary-start);
    color: #fff;
}

.icon-btn.sm {
    width: 32px;
    height: 32px;
}

.booth-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    transition: var(--transition);
}

.booth-btn:hover {
    transform: translateY(-2px);
    opacity: 0.85;
}

.booth-btn img {
    width: 32px;
    height: 32px;
    display: block;
}

.social-icon-btn, .booth-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--c-border);
    background: #fff;
    transition: var(--transition);
}

.social-icon-btn:hover, .booth-btn:hover {
    transform: translateY(-2px);
    border-color: var(--c-primary);
    box-shadow: 0 4px 12px rgba(232, 132, 201, 0.15);
}

.social-icon-btn img, .booth-btn img {
    width: 24px;
    height: 24px;
    display: block;
    object-fit: contain;
}

.social-icon-btn.sm, .social-icon-btn.sm img {
    width: 32px;
    height: 32px;
}

.social-icon-btn.sm img {
    width: 18px;
    height: 18px;
}

/* ==========================================================================
   Header
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 100;
    transition: var(--transition);
}

.header.is-scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.03);
}

.header__inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header__logo a {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--c-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.logo-wave {
    width: 32px;
    height: 32px;
    opacity: 0.9;
}

.header__nav {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.nav__list {
    display: flex;
    gap: 2.5rem;
}

.nav__list a {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--c-text);
}

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

.nav__social {
    display: flex;
    gap: 1rem;
}

/* ==========================================================================
   Hero
   ========================================================================== */
/* Hero Background & Orbs */
.hero-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100vh;
    overflow: hidden;
    z-index: -2;
    background: #fdfdfd;
}

.hero-bg__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.6;
    animation: orbFloat 25s infinite alternate ease-in-out;
}

.hero-bg__orb--1 {
    width: 60vw; height: 60vw;
    background: rgba(253, 246, 249, 0.8); /* faint pink/white */
    top: -20%; left: -10%;
}

.hero-bg__orb--2 {
    width: 50vw; height: 50vw;
    background: rgba(250, 245, 255, 0.6); /* faint purple/white */
    bottom: -10%; right: -10%;
    animation-delay: -5s;
}

.hero-bg__orb--3 {
    width: 40vw; height: 40vw;
    background: rgba(255, 255, 255, 0.8); /* white */
    top: 40%; left: 30%;
    animation-delay: -10s;
}

@keyframes orbFloat {
    0% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(8%, 5%) scale(1.1); }
    66% { transform: translate(-5%, 8%) scale(0.9); }
    100% { transform: translate(5%, -5%) scale(1.05); }
}

#bg-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
}

.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: var(--header-height);
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    background: var(--gradient-hero);
    pointer-events: none;
}

.hero__content {
    text-align: center;
    z-index: 1;
}

.hero__logo-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.hero__logo {
    font-size: 6rem;
    font-weight: 300;
    letter-spacing: 0.2em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    color: transparent;
    margin-bottom: 0;
}

.logo-wave-large {
    width: 60px;
    height: 60px;
    opacity: 0.9;
    overflow: visible;
}

.wave-bar {
    transform-origin: 50% 52px;
}

.wave-bar.bar-1 { animation: waveAnim 0.45s ease-in-out infinite alternate 0s; }
.wave-bar.bar-2 { animation: waveAnim 0.35s ease-in-out infinite alternate 0.1s; }
.wave-bar.bar-3 { animation: waveAnim 0.4s ease-in-out infinite alternate 0.2s; }
.wave-bar.bar-4 { animation: waveAnim 0.3s ease-in-out infinite alternate 0s; }
.wave-bar.bar-5 { animation: waveAnim 0.45s ease-in-out infinite alternate 0.15s; }
.wave-bar.bar-6 { animation: waveAnim 0.35s ease-in-out infinite alternate 0.05s; }
.wave-bar.bar-7 { animation: waveAnim 0.5s ease-in-out infinite alternate 0.1s; }

@keyframes waveAnim {
    0% { transform: scaleY(0.4); }
    100% { transform: scaleY(1.1); }
}

.hero__catchphrase {
    font-size: 2.8rem;
    line-height: 1.6;
    color: var(--c-text);
    margin-bottom: 2rem;
    letter-spacing: 0.15em;
}

.hero__description {
    font-size: 1.4rem;
    color: var(--c-text-light);
}

/* ==========================================================================
   About
   ========================================================================== */
.about__inner {
    max-width: var(--content-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 6rem;
}

.about__image-wrapper {
    flex: 1;
    aspect-ratio: 16 / 10;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transform: perspective(1000px) rotateY(5deg);
    transition: var(--transition);
}

.about__image-wrapper:hover {
    transform: perspective(1000px) rotateY(0deg);
}

.about__text-wrapper {
    flex: 1;
}

.about__catch {
    font-size: 2.4rem;
    color: var(--c-primary-start);
    margin-bottom: 2rem;
    letter-spacing: 0.1em;
}

.about__desc {
    margin-bottom: 3rem;
    color: var(--c-text);
}

/* ==========================================================================
   What We Do
   ========================================================================== */
.features {
    max-width: var(--content-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
}

.feature-card {
    text-align: center;
    padding: 3rem 2rem;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.02);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.feature-card__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-primary-start);
    position: relative;
}

.feature-card__icon::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.1;
    border-radius: 50%;
    z-index: 0;
}

.feature-card__icon svg {
    width: 40px;
    height: 40px;
    z-index: 1;
}

.feature-card__title {
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
    color: var(--c-text);
}

.feature-card__desc {
    font-size: 1.3rem;
    color: var(--c-text-light);
    line-height: 1.6;
}

/* ==========================================================================
   Talent
   ========================================================================== */
.talent-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.talent-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--c-border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.talent-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(200, 123, 224, 0.15);
    border-color: rgba(232, 132, 201, 0.3);
}

.talent-card__img {
    aspect-ratio: 1;
    width: 100%;
    background-color: #fce7f3; /* default fallback */
}

.talent-card__info {
    padding: 2.5rem 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.talent-card__name {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.talent-card__name .en {
    font-size: 1.2rem;
    color: var(--c-text-light);
    margin-top: 0.5rem;
}

.talent-card__tags {
    margin-bottom: 1.5rem;
}

.tag {
    display: inline-block;
    padding: 0.4rem 1.2rem;
    border-radius: 20px;
    font-size: 1.1rem;
    background: #fdf2f8;
    color: var(--c-primary-start);
    border: 1px solid #fbcfe8;
}

.tag--info { background: #fff1f2; color: #e11d48; border-color: #ffe4e6; }
.tag--event { background: #f5f3ff; color: #7c3aed; border-color: #ede9fe; }
.tag--outline { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.5); }

.talent-card__desc {
    font-size: 1.3rem;
    color: var(--c-text-light);
    margin-bottom: 2rem;
    flex: 1;
}

.talent-card__sns {
    margin-top: auto;
}

/* ==========================================================================
   News
   ========================================================================== */
.news__inner {
    max-width: var(--content-width);
    margin: 0 auto;
}

.news-list li {
    border-bottom: 1px solid var(--c-border);
}

.news-list a {
    display: flex;
    align-items: center;
    padding: 2rem 1rem;
    transition: var(--transition);
}

.news-list a:hover {
    background-color: #fff;
    padding-left: 2rem;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    width: 220px;
    flex-shrink: 0;
}

.news-meta .date {
    font-family: var(--font-base);
    font-size: 1.3rem;
    color: var(--c-text-light);
    width: 85px;
    flex-shrink: 0;
}

.news-meta .tag {
    width: 90px;
    text-align: center;
    padding: 0.4rem 0;
}

.news-list .title {
    font-size: 1.5rem;
    font-weight: 500;
    flex: 1;
}

.news-list .arrow {
    color: var(--c-primary-start);
    font-size: 2rem;
}

.event__inner {
    max-width: var(--content-width);
    margin: 0 auto;
}

.event-card {
    background: #fff;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(200, 123, 224, 0.1);
    border: 1px solid rgba(232, 132, 201, 0.2);
    display: flex;
    flex-direction: row;
    align-items: stretch;
}

.event-card__img {
    flex: 1;
    min-height: 400px;
}

.event-card__info {
    flex: 1;
    padding: 5rem 4rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    text-align: left;
}

.event-card__info .sub-title {
    font-size: 1.4rem;
    color: var(--c-text-light);
    margin: 1.5rem 0 0.5rem;
}

.event-card__info .title {
    font-size: 3.2rem;
    margin-bottom: 1.5rem;
}

.event-card__info .date {
    font-size: 1.6rem;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.event-card__info .day {
    font-size: 1.2rem;
    font-family: var(--font-base);
}

.event-card__info .location {
    font-size: 1.3rem;
    color: var(--c-text-light);
    margin-bottom: 2.5rem;
}

.block {
    display: flex;
    width: 100%;
}

/* ==========================================================================
   CTA
   ========================================================================== */
.cta {
    padding: 6rem 2rem;
}

.cta__inner {
    max-width: var(--content-width);
    margin: 0 auto;
    background: var(--gradient-cta);
    border-radius: 20px;
    padding: 6rem 4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 10px 30px rgba(234, 221, 245, 0.5);
    position: relative;
    overflow: hidden;
}

/* decorative elements in cta */
.cta__inner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
    z-index: 0;
}

.cta__text, .cta__buttons {
    position: relative;
    z-index: 1;
}

.cta__title {
    font-size: 2.8rem;
    color: var(--c-text);
    margin-bottom: 1rem;
}

.cta__desc {
    color: var(--c-text-light);
}

.cta__buttons {
    display: flex;
    gap: 2rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    border-top: 1px solid var(--c-border);
    padding: 4rem 2rem 2rem;
    background: #fff;
}

.footer__inner {
    max-width: 1400px;
    margin: 0 auto;
}

.footer__logo {
    text-align: center;
    margin-bottom: 3rem;
}

.footer__logo a {
    font-size: 2.4rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--c-primary);
}

.footer__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4rem;
}

.footer__nav {
    display: flex;
    gap: 2.5rem;
    flex-wrap: wrap;
}

.footer__nav a {
    font-size: 1.2rem;
    color: var(--c-text-light);
    letter-spacing: 0.1em;
}

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

.footer__social {
    display: flex;
    gap: 1.5rem;
}

.copyright {
    text-align: center;
    font-size: 1rem;
    color: #ccc;
}

/* ==========================================================================
   Animations
   ========================================================================== */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* ==========================================================================
   Mobile Menu
   ========================================================================== */
body.menu-open {
    overflow: hidden;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1000;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--c-primary);
    margin: 5px 0;
    transition: var(--transition);
}

.hamburger.is-active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.hamburger.is-active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media screen and (max-width: 1024px) {
    .features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .talent-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .event-card {
        flex-direction: column;
    }
    
    .event-card__img {
        min-height: 250px;
    }
    
    .event-card__info {
        padding: 3rem 2rem;
        align-items: center;
        text-align: center;
    }
}

@media screen and (max-width: 768px) {
    html {
        font-size: 50%; /* Scale down rem base to 8px */
    }
    
    .hamburger {
        display: block;
    }

    .header__logo a {
        font-size: 1.6rem;
        letter-spacing: 0.12em;
    }

    .logo-wave {
        width: 24px;
        height: 24px;
    }
    
    .header__nav {
        display: flex;
        flex-direction: column;
        justify-content: center;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: transform 0.4s ease, opacity 0.4s ease, visibility 0.4s ease;
        z-index: 99;
    }
    
    .header__nav.is-active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav__list {
        flex-direction: column;
        align-items: center;
        gap: 3rem;
    }
    
    .nav__list a {
        font-size: 2.4rem;
    }
    
    .nav__social {
        margin-top: 3rem;
        justify-content: center;
    }
    
    .hero__logo {
        font-size: 3.2rem;
        letter-spacing: 0.12em;
        white-space: nowrap;
    }
    
    .hero__logo-wrapper {
        white-space: nowrap;
        gap: 0.8rem;
    }
    
    .logo-wave-large {
        width: 40px;
        height: 40px;
        flex-shrink: 0;
    }
    
    .hero__catchphrase {
        font-size: 2.4rem;
    }
    
    .about__inner {
        flex-direction: column;
    }
    
    .cta__inner {
        flex-direction: column;
        text-align: center;
        gap: 3rem;
    }
    
    .cta__buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .footer__content {
        flex-direction: column;
        gap: 3rem;
    }
    
    .footer__nav {
        justify-content: center;
    }
}

@media screen and (max-width: 480px) {
    .features {
        grid-template-columns: 1fr;
    }
    
    .talent-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Schedule — Mobile Card Layout
   ========================================================================== */

/* PC: カードを非表示、テーブルを表示 */
.schedule-cards {
    display: none;
}

/* スマホ: テーブルを非表示、カードを表示 */
@media screen and (max-width: 768px) {
    .calendar-table-wrapper {
        display: none;
    }

    .schedule-cards {
        display: flex;
        flex-direction: column;
        gap: 0;
        max-width: 100%;
        margin: 0 auto;
        background: #fff;
        border-radius: 12px;
        box-shadow: 0 4px 20px rgba(0,0,0,0.03);
        border: 1px solid var(--c-border);
        overflow: hidden;
    }

    .schedule-card {
        display: flex;
        align-items: flex-start;
        gap: 1.2rem;
        padding: 1.6rem 1.6rem;
        border-bottom: 1px solid var(--c-border);
    }

    .schedule-card:last-child {
        border-bottom: none;
    }

    .sc-talent {
        display: flex;
        align-items: center;
        gap: 0.8rem;
        min-width: 9rem;
        flex-shrink: 0;
    }

    .sc-schedule {
        flex: 1;
        display: flex;
        flex-wrap: wrap;
        gap: 0.6rem;
    }
}