/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

img {
    width: 100%;
    height: auto;
}

a {
    text-decoration: none;
    color: #333;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: #E3007D;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1280px;
    margin: 0 auto;
}

.logo h1 {
    color: #ff1493;
    font-size: 1.5rem;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu li {
    padding-top: 10px;
}

.nav-menu li.x_icon {
    padding-top: 0px;
}

.nav-menu-sp {
    list-style: none;
    display: none;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 600;
    transition: color 0.3s ease;
    position: relative;
}

.sp_menu {
    display: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

.image-container {
    width: 754;
    /* 画像の元の幅 */
    height: auto;
    /* 高さは自動調整 */

    margin: 50px auto;
    /* 中央寄せの例 */
}

.image-container img {
    width: 100%;
    /* 親要素の幅に合わせる */
    height: auto;
    display: block;
    /* 余白をなくす */
    transition: transform 0.5s ease-in-out;
    /* ここがポイント！0.5秒かけてゆっくり変化 */
}

.image-container img:hover {
    transform: scale(1.1);
    /* ホバー時に1.1倍に拡大 */
}

/* 別の例：常にゆっくり拡大縮小を繰り返すアニメーション */
.image-container.animate img {
    animation: pulse 5s infinite alternate;
    /* 2秒かけて拡大縮小を繰り返し、交互に再生 */
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.05);
        /* 少しだけ拡大 */
    }
}

.section-title img {
    max-width: 390px;
}

/* Hero Section */
.main_v {
    width: 100%;
    height: auto;
    background: url("assets/img/bg1.jpg");
    padding-top: 110px;
}

.stream {
    padding: 150px 0px 80px;
    background: url("assets/img/RGP2025_top_sp.jpg");
    height: 650px;
}

.stream .container {
    max-width: 800px;
}


/* ズームアニメーションの定義 */
@keyframes zoomBackground {
    0% {
        background-size: 100% 100%;
    }

    100% {
        background-size: 120% 120%;
    }
}

.hero-content {
    z-index: 2;
    color: white;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: 4rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.3);
    animation: pulse 2s infinite;
}

.hero-year {
    font-size: 6rem;
    font-weight: bold;
    margin-bottom: 1rem;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.3);
    background: linear-gradient(45deg, #fff, #ffb6c1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-info {
    margin-bottom: 2rem;
}

.event-date,
.event-venue {
    font-size: 1.2rem;
    margin: 0.5rem 0;
    font-weight: 600;
}

.cta-button {
    background: linear-gradient(45deg, #fff, #ffb6c1);
    color: #ff1493;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.2rem;
    font-weight: bold;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Sparkle Animation */
.hero-decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.sparkle {
    position: absolute;
    width: 10px;
    height: 10px;
    background: white;
    border-radius: 50%;
    animation: sparkle 3s infinite;
}

.sparkle-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.sparkle-2 {
    top: 60%;
    right: 15%;
    animation-delay: 1s;
}

.sparkle-3 {
    bottom: 30%;
    left: 20%;
    animation-delay: 2s;
}

/* Section Styles */
.section-title {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 60px;
    color: #333;
    position: relative;
}

/* hero Section */
.hero {
    padding: 60px 0;
    background-color: #E3007D;
    background: url("assets/img/bg1.jpg");


}

.hero .container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 80px
}


/* whatnew Section */
.whatnew {
    padding: 60px 0;
    background: white;
}

ul.news-list {
    width: 100%;
    max-width: 850px;
    margin: 0px auto;
}

ul.news-list li:first-child {
    border-top: solid 3px #ff1493;
}

ul.news-list li {
    border-bottom: solid 3px #ff1493;
    list-style: none;
    padding: 5px 0px 10px;
}

.news a:link {
    color: #02BEBA;
    text-decoration: underline;
}

span.date {
    margin-right: 40px;
}


/* Schedule Section */
.about {
    padding: 60px 0;
    background: #02BEBA;
}

.about .container {
    max-width: 1080;
    margin: 0 auto;
    background-color: #FFF;
    padding: 60px 115px;
}

/* information Section */
.information {
    padding: 60px 0;
    background: #02BEBA;
}

.information .container {
    max-width: 1080;
    margin: 0 auto;
    background-color: #FFF;
    padding: 60px 115px;
}

.day-section {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.day-box {
    flex: 1 1 400px;
    padding: 20px;
}

.day-box h2 {
    font-size: 1.5em;
    color: #001d8f;
    margin-bottom: 10px;
}

.day-box p {
    margin: 5px 0;
}

#goods {
    background-color: #FFF0F8;
    padding-top: 60px;
    padding-bottom: 60px;

}

#goods .container {
    margin: 0px auto;
    padding: 60px 120px;
}

#ticket {
    color: #FFF;
    padding-top: 60px;
    padding-bottom: 60px;

}

#ticket .container {
    max-width: 800px;
    margin: 0px auto;
    padding: 60px 120px;
    background-color: #ffffff;
    color: #333;
}

#ticket .section-title {
    margin-bottom: 20px;
}

.ticket-title {
    background-color: #fff9c4;
    /* 薄い黄色 */
    padding: 10px 20px;
    text-align: center;
    display: inline-block;
    margin: 20px auto;
    border: 1px solid #e0e0e0;
}

.ticket-title h1 {
    font-size: 24px;
    margin: 0;
    font-weight: bold;
}

.ticket-title p {
    margin: 5px 0 0;
    font-size: 14px;
}

.description {
    text-align: left;
    margin: 20px 0 40px;
    font-size: 14px;
    line-height: 1.6;
    font-weight: bold;
}

.ticket-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 10px;
    border-bottom: 2px solid #132445;
}

.ticket-item:first-of-type {
    border-top: 2px solid #132445;
}


.day-info {
    display: flex;
    align-items: center;
}

.day {
    font-weight: bold;
    font-size: 18px;
    margin-right: 20px;
}

.time-info {
    font-size: 16px;
}

.apply-button {
    background-color: #ec407a;
    /* ピンク */
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    text-decoration: none;
}

.map {
    max-width: 400px;
    width: 100%;
    height: 300px;
    background-color: #eee;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #888;
    margin-top: 10px;
}

.notice-section {
    margin-top: 40px;
}

.notice-section h3 {
    color: #e6007e;
    font-size: 1.3em;
    font-weight: bold;
    margin-bottom: 10px;
}

.notice-section p {
    color: #e6007e;
    margin-bottom: 20px;
}

.notice-list {
    list-style: none;
    padding-left: 0;
}

.notice-list li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 1.4em;
}

.notice-list li::before {
    content: "■";
    color: #e6007e;
    position: absolute;
    left: 0;
}

@media (max-width: 600px) {
    .day-section {
        flex-direction: column;
    }
}

/* History Section */
.history {
    padding: 60px 0;
    background: #E9F2F2;
}

.history .container {
    max-width: 1080;
    margin: 0 auto;
    padding: 60px 115px;
}

.yt-box {
    max-width: 710px;
    height: 400px;
    margin: 80px auto;
}

.yt-label {
    background-color: #02BEBA;
    color: #132445;
    text-align: center;
    padding: 10px 0px;
    margin-top: -10px;
}

/* Supporters Section */
.supporters {
    padding: 60px 0;
    background: #FFF;
}

.supporters .container {
    max-width: 1080;
    margin: 0 auto;
    padding: 60px 115px;
}

.supporters .section-content {
    padding: 0px 50px 0px 150px;
}

.supporters img {
    margin-right: 15px;
    vertical-align: middle;
}

.supp_mtop {
    margin-top: 40px;
}

.supporters_text {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid #CCC;



}

.supp_aca {
    display: flex;
    margin-top: 20px;
}

.supp_a {
    margin-top: 40px;
}

.supp_a img {
    height: 80px;
    width: auto;
    max-width: 100%;
}

.supp_b img {
    height: 50px;
    width: auto;
    max-width: 100%;

}

/* Footer */
.footer {
    background-color: #000;
    color: #fff;
}

.footer-content a {
    color: #FFF;
}

.footer .container {
    max-width: 960px;
    margin: 0 auto;
    padding: 40px 20px;
    font-size: 22px;
}

.footer .section {
    margin-bottom: 30px;
}

.footer .section p {
    margin: 5px 0;
}

.footer .label {
    font-weight: bold;
    display: inline-block;
    width: 140px;
}

.footer .iinkai {
    max-width: 700px;
}

.footer .logos {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 20px;
}

.footer .logos a {
    background-color: #FFF;
    border-radius: 5px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 120px;
    width: 150px;

}

.footer .logos img {
    width: 140px;
    height: auto;
    background-color: #fff;
    padding: 5px;
    border-radius: 4px;

}

.footer_bottom {
    text-align: right;
    margin: 80px 0px 60px;
    font-size: 20px;
}


/* anniversary Section */
.anniversary {
    padding-top: 190px;
    background-color: #E3007D;
    background: url("assets/img/bg1.jpg");
    height: auto;
}

.anniversary .container {
    max-width: 800px;
    color: #FFF;
}

.sp_br {
    display: none;

}

.footer_kyoryoku {
    display: flex;
}

.archive {
    padding-top: 190px;
    background-color: #E3007D;
}

.archive h2 {
    color: #FFF;
    font-size: 42px;
    text-align: center;
}

.archive_main {
    max-width: 800px;
    margin: 80px auto 0px;
    padding-bottom: 80px;
}

.archive_date {
    color: #FFEB73;
    font-size: 24px;

}

.archive_artist {
    color: #fff;
    font-size: 22px;
    margin-bottom: 80px;

}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes pulse {

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

    50% {
        transform: scale(1.05);
    }
}

@keyframes sparkle {

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

    50% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-container {
        height: 60px;
    }

    .logo img {
        height: 50px;
        margin-top: 5px;
    }

    .nav-menu {
        position: fixed;
        right: -100%;
        top: 0px;
        flex-direction: column;
        background-color: #E3007D;
        width: 100%;
        height: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
    }

    .nav-menu li {
        width: 200px;
        margin: 0 auto;

    }

    .sp_menu {
        display: inline;
    }

    .x_icon img {
        width: 80px;
    }

    .nav-menu.active {
        right: 0;
    }

    .main_v {
        padding-top: 60px;
    }

    .stream {
        height: 350px;
        padding: 80px 0px 40px;
    }

    .hero,
    .whatnew,
    .about,
    .information,
    .history,
    .supporters {
        padding: 40px 0px;
    }

    .about .container,
    .information .container {
        margin-left: 20px;
        margin-right: 20px;
    }

    .hero .container {
        gap: 40px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-year {
        font-size: 4rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 18px;
        margin-bottom: 40px;
    }

    .access-content {
        grid-template-columns: 1fr;
    }

    .performers-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .about .container,
    .information .container,
    .history .container,
    .supporters .container,
    #ticket .container,
    #goods .container {
        padding: 40px 20px;
    }

    #ticket {
        padding-top: 0px;
    }

    #goods {
        padding-top: 0px;
    }

    .history .container {
        padding-top: 0px;
    }

    .supporters .section-content {
        padding: 0px;
    }

    .supp_aca {
        flex-direction: column;
    }

    .yt-box {
        height: auto;
        margin: 40px auto 0px;
    }

    .yt-box iframe,
    .map iframe {
        width: 100%;
        height: 200px;

    }


    .nav-menu-sp {

        display: inline;
    }

    .nav-menu .close {
        width: 100%;
        height: 20px;
        text-align: right;
        padding: 0px 20px;
    }

    .nav-menu .close img {
        width: 30px;
    }

    .nav-menu .good {
        width: 100px;
    }

    .nav-menu .ticket {
        width: 100px;
    }

    .supp_a img {
        height: 50px;
    }

    .supp_b img {
        height: 25px;
    }

    .sp_br {
        display: inline;
    }

    .footer-content {
        font-size: 16px;
    }

    .footer_kyoryoku {
        display: inline;
    }

    .footer .label {
        width: 100%;
        display: block;
    }

    .footer .logos a {
        width: 30%;
        height: 75px;
    }

    .footer .logos a img {
        width: 100%;
    }

    .footer_bottom {
        font-size: 14px;
        margin: 40px 0px 30px;
    }

    .apply-button {
        font-size: 11px;
    }

    .archive {
        padding-top: 100px;
    }

    .archive h2 {
        font-size: 18px;
    }

    .archive_main {
        margin-top: 40px;
        padding-bottom: 40px;
    }

    .archive_date,
    .archive_artist {
        font-size: 16px;

    }

}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-year {
        font-size: 3rem;
    }

    .container {
        padding: 0 15px;
    }

    .nav-container {
        padding: 1rem;
    }

}