/* ===================================
   共通デザイン（全ページ共通）
=================================== */

body {
    margin: 0;
    font-family: 'Inter', 'Noto Sans JP', sans-serif;
    background-color: #0f0f0f;
    color: white;
    text-align: center;
}

/* ===================================
   ナビメニュー（修正版）
=================================== */

nav {
    width: 100%;
    background-color: #000;
    border-bottom: 1px solid #1a1a1a;
}

.nav {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
    padding: 16px 20px;
    flex-wrap: wrap;
}

.nav a {
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    white-space: nowrap;
    transition: 0.25s ease;
}

.nav a:hover {
    opacity: 0.7;
}

.nav a.active {
    border-bottom: 2px solid #ffffff;
    padding-bottom: 4px;
}

/* ===================================
   フッター
=================================== */

footer {
    margin-top: 80px;
    padding: 30px;
    font-size: 14px;
    color: #aaa;
}

/* ===================================
   SNSボタン
=================================== */

.social {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 20px;
}

.social a {
    background: #111;
    padding: 18px;
    border-radius: 14px;
    transition: 0.3s;
    box-shadow: 0 6px 18px rgba(0,0,0,0.5);
}

.social a:hover {
    transform: translateY(-5px) scale(1.05);
    background: #1c1c1c;
}

.social img {
    width: 36px;
    height: 36px;
    display: block;
}

/* ===================================
   TOPページ
=================================== */

.hero {
    padding: 80px 20px;
}

.hero h1 {
    font-size: 42px;
}

.hero-sub {
    font-size: 18px;
    color: #cfcfcf;
    max-width: 600px;
    margin: auto;
    line-height: 1.6;
}
.container h1 {
    font-size: 48px;
}
.container {
    padding: 80px 20px;
}
.container p {
    max-width: 680px;
    margin: 20px auto 0 auto;
    line-height: 1.8;
    font-size: 16px;
    color: #cfcfcf;
}
/* 動画カード */

.video-cards {
    text-align: center;
    margin-top: 60px;
}

.card-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.video-card {
    width: 300px;
    text-decoration: none;
    color: white;
    background: #111;
    padding: 15px;
    border-radius: 12px;
    transition: 0.3s;
}

.video-card img {
    width: 100%;
    border-radius: 10px;
}

.video-card:hover {
    transform: scale(1.05);
    background: #1a1a1a;
}

.video-card h3 {
    margin-top: 15px;
    font-size: 18px;
}

.video-card p {
    font-size: 14px;
    opacity: 0.7;
}

/* 動画メイン表示 */

.video-main {
    max-width: 800px;
    margin: 40px auto;
}

.video-main iframe {
    width: 100%;
    aspect-ratio: 16 / 9;
    height: auto;
    border-radius: 12px;
}

/* 音楽リンクボタン */

.music-buttons {
    margin-top: 30px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.btn.apple {
    background: #ff2d55;
}

.btn.ytmusic {
    background: #ff0000;
}

.btn.apple:hover {
    background: #ff4b6e;
}

.btn.ytmusic:hover {
    background: #ff3333;
}
/* ===== Brand Feature Section ===== */

.brand-feature {
    margin: 60px auto;
    max-width: 1000px;
    text-align: center;
}

.brand-feature h2 {
    font-size: 20px;
    margin-bottom: 20px;
}

.brand-buttons {
    display: flex;
    justify-content: center;
    gap: 25px;
    flex-wrap: wrap;
}

.brand-btn {
    display: block;
    text-decoration: none;
    color: white;
    width: 220px;
    background-color: #1a1a1a;
    padding: 15px;
    border-radius: 12px;
    transition: 0.25s;
}

.brand-btn:hover {
    transform: translateY(-5px);
    background-color: #242424;
}

.brand-btn img {
    width: 100%;
    height: auto; 
    border-radius: 10px;
    margin-bottom: 12px;
}

.brand-btn p {
    font-size: 13px;
    line-height: 1.4;
    opacity: 0.8;
}


/* ===================================
   ABOUTページ
=================================== */

.about-section {
    max-width: 900px;
    margin: 80px auto;
    text-align: center;
    padding: 0 20px;
}

.about-title {
    font-size: 36px;
    margin-bottom: 20px;
}

.about-subtitle {
    font-size: 22px;
    margin-bottom: 30px;
    font-weight: 500;
}

.about-content {
    max-width: 750px;
    margin: 0 auto;
}

.about-content p {
    font-size: 16px;
    line-height: 1.9;
    margin-bottom: 20px;
}
.about-image {
    width: 100%;
    max-width: 900px;
    margin: 30px auto;
    border-radius: 14px;
    display: block;
}
.about-tagline {
    margin-top: 10px;
    color: #aaa;
    font-size: 15px;
    letter-spacing: 1px;
}
/* ===================================
   CONTACTページ
=================================== */

.google-form {
    max-width: 700px;
    margin: 40px auto;
}

.google-form iframe {
    width: 100%;
    border-radius: 12px;
    background: white;
}

/* ===================================
   スマホ対応（全ページ共通）
=================================== */
@media (max-width: 768px){

.generator-grid{
    grid-template-columns:1fr;
}

}
@media (max-width: 600px) {

    .hero h1 {
        font-size: 30px;
    }

    .hero-sub {
        font-size: 15px;
    }

    .about-title {
        font-size: 28px;
    }

    .about-subtitle {
        font-size: 18px;
    }

    .about-content p {
        font-size: 15px;
    }

    .google-form iframe {
        height: 850px;
    }

    .nav {
        gap: 14px;
        padding: 12px 10px;
    }

    .nav a {
        font-size: 13px;
    }
   }
/* ===================================
   index.html用 動画カード
=================================== */

.video-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    max-width: 1100px;
    margin: 0 auto;
}

.card {
    width: 300px;
    background: #111;
    border-radius: 12px;
    padding-bottom: 20px;
    overflow: hidden;
    transition: 0.3s;
}

.card img {
    width: 100%;
    display: block;
}

.card-content {
    padding: 15px;
    text-align: center;
}

.card:hover {
    transform: scale(1.05);
    background: #1a1a1a;
}
/* 動画ボタン */

.btn {
    display: inline-block;
    margin-top: 15px;
    padding: 12px 22px;
    background: #ff8a00;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: 0.25s;
}

.btn:hover {
    background: #ffa733;
    transform: scale(1.05);
}
/* Today's Recommended Track */

.recommend-section {
  margin-top: 60px;
  text-align: center;
}

#recommendBtn {
  background: #ffffff;
  color: #000000;
  border: none;
  padding: 12px 20px;
  font-size: 16px;
  cursor: pointer;
  border-radius: 8px;
  margin-top: 10px;
}

.track-box {
  margin-top: 25px;
}

.track-box img {
  width: 320px;
  border-radius: 10px;
  margin-top: 10px;
}

.listen-btn {
  display: inline-block;
  margin-top: 15px;
  background: #ff0000;
  color: white;
  padding: 10px 16px;
  text-decoration: none;
  border-radius: 8px;
  font-size: 14px;
}
.generator-grid{
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:30px;
}
.generator-text {
    max-width: 700px;
    margin: 0 auto 40px auto;
    color: #ccc;
    line-height: 1.7;
    font-size: 15px;
}
@media (max-width: 600px) {

.video-main iframe {
    aspect-ratio: 16 / 9;
    height: auto;
}

.social {
    gap: 10px;
    margin-top: 10px;
}

.social a {
    padding: 14px;
}

.social img {
    width: 28px;
    height: 28px;
}

footer {
    margin-top: 40px;
    padding: 20px;
}

}
/* ===== YouTubeプレイヤー表示用 ===== */

#focusPlayer,
#sleepPlayer,
#tokyoPlayer{
  width:100%;
  max-width:560px;
  height:315px;
  margin:15px auto;
  background:#000;
}