/* --- Google Font Import --- */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Noto+Sans+JP:wght@400;700&family=Shippori+Mincho:wght@700&display=swap');

/* --- CSS Variables --- */
:root {
    --color-black: #0A0A0A; /* Slightly softer black */
    --color-red: #C30E2E;
    --color-gold: #D4AF37;
    --color-silver: #C0C0C0;
    --color-white: #F5F5F5; /* Slightly off-white */

    --font-heading: 'Bebas Neue', sans-serif;
    --font-heading-jp: 'Shippori Mincho', serif; /* Changed to a more stylish font */
    --font-body: 'Noto Sans JP', sans-serif;

    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--color-black);
    color: var(--color-white);
    font-family: var(--font-body);
    line-height: 1.8; /* Increased for better readability */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden; /* Prevent horizontal scroll */
}

img, iframe {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-gold);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--color-white);
    opacity: 0.9;
}

/* --- Typography --- */
h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: normal;
    letter-spacing: 2px; /* Increased spacing */
}

h2.section-title {
    font-size: 3.5rem;
    color: var(--color-white);
    text-align: center;
    margin-bottom: 3rem;
    font-family: var(--font-heading-jp);
    position: relative;
    padding-bottom: 1rem;
}

/* Underline animation for section titles */
h2.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-gold), var(--color-red));
    transition: width 0.4s ease-in-out;
}

.content-section.visible h2.section-title::after {
    width: 150px;
}

h3 {
    font-size: 2.2rem;
    color: var(--color-gold);
    margin-bottom: 1rem;
}

/* --- Layout --- */
.content-section {
    padding: 5rem 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s ease, transform 1s ease;
}

.content-section.visible {
    opacity: 1;
    transform: translateY(0);
}



/* --- Hero Section --- */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    background-color: var(--color-black); /* Fallback color */
}

.hero-image-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: grid;
    grid-template-columns: repeat(5, 1fr); /* 5 columns */
    grid-template-rows: repeat(2, 50vh);    /* 2 rows */
    z-index: 1;
}

.hero-image-slot {
    position: relative;
    overflow: hidden;
    transition: opacity 0.5s ease-in-out; /* For smooth swapping */
}

.hero-image-slot img {
    width: 100%;
    height: 100%;
    object-fit: contain; /* Prevent cropping */
}

.hero-content {
    position: relative;
    z-index: 3;
    padding: 2rem;
}

.hero-logo {
    max-width: 40%; /* Further reduced logo size */
    max-height: 35vh;
    height: auto;
    filter: drop-shadow(0 0 20px rgba(0,0,0,0.7));
    margin: 0 auto; /* Center the logo */
}

.hero-catchphrase {
    font-family: var(--font-heading-jp);
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.6;
    margin-bottom: 2.5rem;
    text-shadow: 0 2px 20px rgba(0,0,0,0.8);
}

/* --- CTA Button --- */
.cta-button {
    display: inline-block;
    background: linear-gradient(45deg, #9ACD32, #ADFF2F); /* 黄緑系のグラデーション */
    color: var(--color-black);
    padding: 1.2rem 3rem;
    border-radius: 50px;
    text-align: center;
    font-family: var(--font-body);
    font-weight: 700;
    box-shadow: 0 5px 15px rgba(154, 205, 50, 0.4);
    transition: all 0.3s ease;
    border: none;
}

.cta-button:hover {
    transform: scale(1.05) translateY(-3px);
    box-shadow: 0 8px 25px rgba(154, 205, 50, 0.6);
    color: var(--color-black);
}

.cta-button span {
    display: block;
    font-size: 1.3rem;
    letter-spacing: 1px;
}

.cta-button small {
    font-size: 0.8rem;
    opacity: 0.9;
    font-weight: 400;
}

/* --- Music Section --- */
.music-grid {
    display: grid;
    gap: 4rem;
}

.music-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
}

/* Alternate layout for every other item */
.music-item:nth-child(even) {
    grid-template-columns: 1fr 1fr;
}

.music-item:nth-child(even) .music-video-wrapper {
    order: 2;
}

.music-video-wrapper {
    aspect-ratio: 16 / 9;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.music-video-wrapper iframe {
    width: 100%;
    height: 100%;
}

.music-info {
    text-align: left;
}

.music-youtube-link {
    text-align: center;
    margin-top: 40px;
}

.youtube-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 15px;
    padding: 8px 16px;
    background-color: #FF0000;
    color: white;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.youtube-link:hover {
    background-color: #CC0000;
}

.youtube-link svg {
    width: 20px;
    height: 20px;
}

.youtube-link span {
    font-size: 14px;
    font-weight: 500;
}

.music-title {
    font-family: var(--font-heading-jp);
    font-size: 2rem;
    color: var(--color-white);
    margin-bottom: 1rem;
}

.music-lyrics {
    font-family: var(--font-body);
    font-size: 1.1rem;
    color: var(--color-silver);
    margin-bottom: 1.5rem;
    line-height: 1.7;
    font-style: italic;
}

.music-description {
    font-size: 0.95rem;
    line-height: 1.8;
}

@media (max-width: 900px) {
    .music-item,
    .music-item:nth-child(even) {
        grid-template-columns: 1fr;
    }
    .music-item:nth-child(even) .music-video-wrapper {
        order: 0;
    }
    .music-info {
        text-align: center;
    }
}

/* --- News Section --- */
.news-list {
    max-width: 900px;
    margin: 0 auto;
    border-top: 1px solid #333;
}

/* --- Live Info Section --- */
.live-list {
    max-width: 900px;
    margin: 0 auto;
    border-top: 1px solid #333;
}

.live-item {
    display: flex;
    align-items: baseline;
    gap: 2rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid #333;
    transition: all 0.3s ease;
    color: var(--color-white);
    text-decoration: none;
}

.live-item:hover {
    background-color: rgba(212, 175, 55, 0.1);
    padding-left: 1rem;
}

.live-date {
    font-size: 0.9rem;
    color: var(--color-gold);
    min-width: 100px;
}

.live-title {
    font-size: 1.1rem;
    font-weight: 500;
}

.news-item {
    display: flex;
    align-items: center;
    padding: 1.5rem 1rem;
    border-bottom: 1px solid #333;
    transition: background-color 0.3s ease;
}

.news-item:hover {
    background-color: #111;
}

.news-date {
    color: var(--color-silver);
    font-size: 0.9rem;
    width: 120px;
    flex-shrink: 0;
}

.news-category {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    color: var(--color-black);
    margin-right: 1.5rem;
    width: 80px;
    text-align: center;
    flex-shrink: 0;
}

.news-category.live { background-color: #FF6B6B; }
.news-category.release { background-color: #4ECDC4; }
.news-category.media { background-color: #45B7D1; }
.news-category.goods { background-color: #F7B801; }
.news-category.info { background-color: #9B59B6; }

.news-title {
    color: var(--color-white);
    font-weight: 700;
}

@media (max-width: 600px) {
    .news-item {
        flex-direction: column;
        align-items: flex-start;
    }
    .news-date {
        margin-bottom: 0.5rem;
    }
    .news-category {
        margin-bottom: 0.8rem;
        margin-right: 0;
    }
}

/* --- Gallery Section --- */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}
.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer; /* Add cursor pointer */
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.gallery-item:hover img {
    transform: scale(1.1);
}

/* Hover effect for gallery */
.gallery-item::after {
    content: 'VIEW';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(195, 14, 46, 0.8);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 2rem;
    letter-spacing: 2px;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.gallery-item:hover::after {
    opacity: 1;
}

/* --- Lightbox --- */
.lightbox {
    display: none; /* Hidden by default */
    position: fixed;
    z-index: 1000;
    padding-top: 60px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.9);
}

.lightbox-content {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 1200px;
}

.lightbox-close {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
}

.lightbox-close:hover,
.lightbox-close:focus {
    color: #bbb;
    text-decoration: none;
    cursor: pointer;
}

.lightbox-prev, .lightbox-next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  width: auto;
  padding: 16px;
  margin-top: -50px;
  color: white;
  font-weight: bold;
  font-size: 20px;
  transition: 0.6s ease;
  border-radius: 0 3px 3px 0;
  user-select: none;
  -webkit-user-select: none;
}

.lightbox-next {
  right: 0;
  border-radius: 3px 0 0 3px;
}

.lightbox-prev:hover, .lightbox-next:hover {
  background-color: rgba(0,0,0,0.8);
}

/* --- Buzz Section --- */
.buzz-container {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    gap: 2.5rem;
}
.twitter-tweet-dummy {
    background: transparent;
    padding: 2rem;
    border: 1px solid #333;
    border-radius: 8px;
    position: relative;
}

.twitter-tweet-dummy::before {
    content: '”';
    position: absolute;
    right: 20px;
    bottom: -10px;
    font-size: 5rem;
    color: var(--color-red);
    opacity: 0.2;
    font-family: serif;
}

.twitter-tweet-dummy p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}
.twitter-tweet-dummy cite {
    font-style: normal;
    color: var(--color-silver);
}

/* --- LINE Promo Section --- */
#line-promo {
    text-align: center;
    background: #111;
    padding-top: 6rem;
    padding-bottom: 6rem;
}
.section-subtitle {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    line-height: 1.8;
}
.benefits-list {
    display: grid;
    gap: 1.5rem;
    max-width: 650px;
    margin: 3rem auto;
    text-align: left;
}
.benefit-item {
    background: #1A1A1A;
    padding: 1.2rem 2rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.benefit-item:hover {
    transform: translateX(10px);
}

.benefit-item span {
    background: #9ACD32; /* 黄緑 */
    color: var(--color-black);
    border-radius: 50%;
    width: 35px;
    height: 35px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-right: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

/* --- Footer --- */
footer {
    padding: 4rem 2rem;
    background-color: #000;
    text-align: center;
}
.social-links {
    margin-bottom: 2rem;
}
.social-links a {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    margin: 0 1.2rem;
    color: var(--color-silver);
}
.social-links a:hover {
    color: var(--color-red);
}
.footer-nav {
    margin-bottom: 2rem;
}
.footer-nav a {
    margin: 0 1.5rem;
    color: var(--color-silver);
    font-size: 0.9rem;
}
.copyright {
    font-size: 0.8rem;
    color: #666;
    letter-spacing: 1px;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    .content-section {
        padding: 4rem 1.5rem;
    }
    .hero-catchphrase {
        font-size: 2.2rem;
    }
    h2.section-title {
        font-size: 2.8rem;
    }
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

/* --- Member Section --- */
.member-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 2.5rem; /* Slightly increased gap */
}

.member-card {
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.member-card:hover {
    transform: translateY(-10px);
    cursor: pointer;
}

.member-photo {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 1.5rem;
    border: 4px solid #282828; /* Darker border */
    transition: border-color 0.4s ease;
}

.member-card:hover .member-photo {
    border-color: var(--color-silver);
}

.member-part {
    font-family: var(--font-heading);
    font-size: 0.9rem; /* Adjusted font size */
    color: var(--color-gold);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.member-name {
    font-family: var(--font-body);
    font-size: 1.2rem; /* Adjusted font size */
    font-weight: 700; /* Bold for clarity */
    color: var(--color-white);
    margin-top: 0.5rem; /* Add space between part and name */
    line-height: 1.4;
}

.member-name ruby {
    ruby-position: over;
}

.member-name rt {
    font-size: 0.75rem; /* Smaller font for furigana */
    color: var(--color-silver);
    font-weight: 400;
    letter-spacing: 0.5px;
}

@media (max-width: 1000px) {
    .member-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }
}

/* --- Member Modal --- */
.member-modal {
    display: none;
    position: fixed;
    z-index: 1001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.95);
    align-items: center;
    justify-content: center;
}

.member-modal-content {
    position: relative;
    background-color: #111;
    margin: auto;
    padding: 30px;
    border: 1px solid #888;
    width: 90%;
    max-width: 650px; /* 少し幅を広げます */
    text-align: center;
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.member-modal-close {
    position: absolute;
    top: 15px;
    right: 25px;
    color: #aaa;
    font-size: 32px;
    font-weight: bold;
    cursor: pointer;
}

#member-modal-img {
    width: auto; /* 横幅を自動調整 */
    max-width: 100%; /* コンテナの最大幅に合わせる */
    height: auto; /* 高さを自動調整 */
    max-height: 65vh; /* 画面の高さに対して最大値を設定 */
    border-radius: 8px; /* 円形を解除し、角を少し丸める */
    object-fit: contain; /* 画像全体が表示されるようにする */
    margin-bottom: 2rem;
    /* borderを削除 */
}

#member-modal-name {
    font-family: var(--font-heading-jp);
    font-size: 2.5rem;
    color: var(--color-white);
    margin-bottom: 1rem;
}

#member-modal-profile {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-silver);
}

.member-modal-prev, .member-modal-next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  width: auto;
  padding: 16px;
  margin-top: -50px;
  color: white;
  font-weight: bold;
  font-size: 20px;
  transition: 0.6s ease;
  border-radius: 0 3px 3px 0;
  user-select: none;
  -webkit-user-select: none;
}

.member-modal-next {
  right: 0;
  border-radius: 3px 0 0 3px;
}

.member-modal-prev {
    left: 0;
}

.member-modal-prev:hover, .member-modal-next:hover {
  background-color: rgba(0,0,0,0.8);
}