/*
Theme Name: COLOR music
Author: Tomoya
Description: COLOR music Official Website Theme
Version: 1.0
*/

/* =========================================
    ベース設定
========================================= */
html { scroll-behavior: smooth; }
body {
    margin: 0; padding: 0; background-color: #050505; color: #ffffff;
    font-family: 'Helvetica Neue', Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    line-height: 1.8; overflow-wrap: break-word; word-break: normal;
}
a { color: #fff; text-decoration: none; transition: opacity 0.3s; }
a:hover { opacity: 0.7; }

/* ヘッダー */
header { position: fixed; top: 0; width: 100%; background: linear-gradient(rgba(0,0,0,0.9), rgba(0,0,0,0)); padding: 30px 50px; display: flex; justify-content: space-between; align-items: center; z-index: 1000; box-sizing: border-box; pointer-events: none; }
.header-logo, .nav-links { pointer-events: auto; }
.header-logo img { height: 65px; display: block; transition: height 0.3s; }
.nav-links { display: flex; gap: 25px; font-size: 0.8rem; letter-spacing: 1px; text-transform: uppercase; }
@media (max-width: 1024px) { .header-logo img { height: 50px; } header { padding: 20px 30px; } }
@media (max-width: 768px) { .nav-links { display: none; } header { justify-content: center; } .header-logo img { height: 45px; } }

/* 1. メインビジュアル */
.hero { height: 90vh; background-color: #000; position: relative; }
.video-wrapper { position: absolute; top: 0; left: 0; width: 100%; height: 100%; overflow: hidden; background-color: #000; }
.video-wrapper video { width: 100%; height: 100%; object-fit: cover; opacity: 0.55; }
.video-pc { display: block; }
.video-sp { display: none; }
@media (max-width: 768px) { .video-pc { display: none; } .video-sp { display: block; } }

.scroll-indicator { position: absolute; bottom: -20px; left: 50%; transform: translateX(-50%); z-index: 20; display: flex; flex-direction: column; align-items: center; opacity: 0.5; }
.scroll-text { font-size: 9px; letter-spacing: 3px; margin-bottom: 5px; }
.scroll-line { width: 1px; height: 50px; background-color: #fff; animation: scroll-anim 2s infinite ease-in-out; }
@keyframes scroll-anim { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 50.1% { transform: scaleY(1); transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* 各セクション共通 */
section { padding: 120px 20px 80px; max-width: 1000px; margin: 0 auto; }
.section-title { text-align: center; font-size: 2rem; letter-spacing: 0.15em; margin-bottom: 60px; color: #fff; }
.section-title span { color: #666; font-size: 0.8rem; display: block; margin-top: 8px; letter-spacing: 0.1em; }
.text-content { max-width: 850px; margin: 0 auto; font-size: 1.05rem; line-height: 2.2; color: #ccc; text-align: left; }
#concept .text-content { line-height: 1.6; }

/* CONCEPT SNSボタン設定 */
.social-container {
    display: flex; justify-content: center;
    gap: 20px;
    margin-top: 50px;
}
.social-btn {
    width: 50px; height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    transition: transform 0.3s, opacity 0.3s; box-shadow: 0 4px 10px rgba(0,0,0,0.5);
}
.social-btn:hover {
    transform: translateY(-5px); opacity: 1 !important;
}
.youtube-btn { background-color: #FF0000; }
.tiktok-btn { background-color: #000; border: 1px solid #fff; }
.instagram-btn { background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%); }
.x-btn { background-color: #000; border: 1px solid #444; }

/* ニュース */
.news-list { list-style: none; padding: 0; border-top: 1px solid #222; }
.news-list li { border-bottom: 1px solid #222; padding: 25px 0; display: flex; gap: 40px; align-items: baseline; }
.news-date { color: #666; font-family: 'Courier New', Courier, monospace; min-width: 120px; font-weight: bold; }
@media (max-width: 600px) { .news-list li { flex-direction: column; gap: 5px; } }

/* リリース */
.release-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 60px 40px; }
.release-item { text-align: center; }
.jacket-img { width: 100%; aspect-ratio: 1/1; object-fit: cover; margin-bottom: 25px; border: 1px solid #222; background-color: #111; transition: 0.4s; }
.jacket-img:hover { border-color: #fff; transform: translateY(-5px); }

/* アーティスト */
.artist-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 80px 40px; }
.artist-item { text-align: center; display: flex; flex-direction: column; align-items: center; }
.artist-photo { width: 200px; height: 200px; margin: 0 auto 30px; border-radius: 50%; overflow: hidden; border: 1px solid #222; background-color: #111; }
.artist-photo img { width: 100%; height: 100%; object-fit: cover; }
.artist-item p { text-align: left; font-size: 0.95rem; line-height: 2; margin-bottom: 20px; width: 100%; }

/* 詳しくはこちらリンクのスタイル */
.more-link {
    display: inline-block; font-size: 0.85rem;
    color: #888;
    border-bottom: 1px solid #888;
    padding-bottom: 2px;
    letter-spacing: 1px;
    transition: 0.3s;
    margin-top: auto; /* 下部に寄せる */
}
.more-link:hover {
    color: #fff; border-bottom-color: #fff;
    opacity: 1;
}

/* Works (YouTube) */
.video-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
@media (max-width: 768px) { .video-grid { grid-template-columns: 1fr; } }
.video-item { position: relative; width: 100%; padding-bottom: 56.25%; height: 0; border: 1px solid #222; }
.video-item iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none; }

/* オーディション */
.audition-box { background-color: #0a0a0a; padding: 60px 40px; text-align: center; border: 1px solid #222; border-radius: 4px; }
.audition-box p { font-size: 1.05rem; line-height: 2.2; color: #ccc; margin: 0 auto 30px; max-width: 800px; text-align: left; }
.btn { display: inline-block; padding: 15px 50px; background-color: #fff; color: #000; font-weight: bold; border-radius: 30px; transition: 0.3s; }
.btn:hover { background-color: #ccc; letter-spacing: 2px; }
.line-btn { display: inline-block; margin-top: 20px; transition: transform 0.3s; }
.line-btn img { max-width: 100%; width: 350px; height: auto; }
.line-btn:hover { transform: translateY(-5px); opacity: 0.9; }

@media (max-width: 768px) {
    .text-content, .artist-item p, .audition-box p { text-align: justify; text-justify: inter-ideograph; }
}

/* 会社概要テーブル */
.company-table { width: 100%; max-width: 800px; margin: 0 auto; border-collapse: collapse; font-size: 0.95rem; }
.company-table th, .company-table td { padding: 20px; border-bottom: 1px solid #222; text-align: left; }
.company-table th { width: 30%; color: #888; font-weight: normal; }
.company-table td { color: #ccc; }
@media (max-width: 600px) {
    .company-table th, .company-table td { display: block; width: 100%; padding: 10px 0; border: none; }
    .company-table tr { display: block; padding-bottom: 20px; border-bottom: 1px solid #222; }
}

/* お問い合わせ */
.contact-form { max-width: 600px; margin: 0 auto; display: flex; flex-direction: column; gap: 20px; }
.contact-form label { font-size: 0.75rem; color: #666; margin-bottom: -15px; margin-left: 5px; letter-spacing: 1px; }
.contact-form input, .contact-form textarea { width: 100%; padding: 18px; background: #000; border: 1px solid #222; color: #fff; border-radius: 2px; box-sizing: border-box; }
.submit-btn { background: #fff; color: #000; border: none; padding: 20px; font-weight: bold; cursor: pointer; border-radius: 40px; transition: 0.3s; margin-top: 10px; letter-spacing: 2px; }
.submit-btn:hover { background-color: #aaa; transform: scale(1.02); }

#back-to-top { position: fixed; bottom: 30px; right: 30px; width: 50px; height: 50px; background-color: #fff; color: #000; border-radius: 50%; display: flex; justify-content: center; align-items: center; font-size: 1.2rem; font-weight: bold; z-index: 999; opacity: 0; visibility: hidden; transition: all 0.3s ease; box-shadow: 0 4px 10px rgba(0,0,0,0.5); }
#back-to-top.show { opacity: 0.8; visibility: visible; }
#back-to-top:hover { opacity: 1; transform: translateY(-5px); }

footer { text-align: center; padding: 80px 20px; border-top: 1px solid #111; font-size: 0.7rem; color: #333; margin-top: 100px; letter-spacing: 2px; }