@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700;900&family=Oswald:wght@400;700&display=swap');

/*
font-family: 'Noto Sans JP', sans-serif;
font-family: 'Oswald', sans-serif;
*/

:root {
    --primary-color: #ff4500; /* オレンジ */
    --primary-hover-color: #e03e00;
    --bg-dark: #121212;
    --bg-light: #1e1e1e;
    --text-light: #f5f5f5;
    --text-medium: #a0a0a0;
    --border-color: #2c2c2c;
}

/* 基本設定 */
body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.8;
    margin: 0;
    color: var(--text-light);
    background-color: var(--bg-dark);
    background-image: url('https://source.unsplash.com/random/1920x1080/?soccer,football'); /* サッカー関連の背景画像 */
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
    position: relative;
    cursor: url('https://www.freeiconspng.com/uploads/soccer-ball-png-22.png') 16 16, auto; /* サッカーボールのカーソル */
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(18, 18, 18, 0.2); /* ダークオーバーレイの透明度をさらに調整 */
    z-index: -1;
}

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

a:hover {
    color: var(--primary-hover-color);
    text-decoration: none;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Oswald', sans-serif;
    font-weight: 700;
    letter-spacing: 1px;
}

/* ヘッダー */
header {
    background-color: rgba(30, 30, 30, 0.85);
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    margin: 0;
    font-size: 28px;
    font-weight: 900;
    color: var(--primary-color);
}

header nav ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
}

header nav li {
    margin-left: 25px;
}

header nav a {
    font-weight: 700;
    font-size: 16px;
    color: var(--text-light);
    position: relative;
    padding-bottom: 5px;
}

header nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

header nav a:hover::after {
    width: 100%;
}


/* ヒーローセクション */
#hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://source.unsplash.com/1600x900/?soccer,stadium');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: #fff;
    text-align: center;
    padding: 150px 0;
}

#hero h2 {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 900;
    font-size: 52px;
    margin-bottom: 20px;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.8);
}

#hero p {
    font-size: 22px;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    background: linear-gradient(45deg, var(--primary-color), #ff7f50);
    color: #fff;
    padding: 18px 35px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: bold;
    transition: all 0.3s ease;
    border: none;
    box-shadow: 0 4px 15px rgba(255, 69, 0, 0.4);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 69, 0, 0.5);
    color: #fff;
}

.subscriber-count {
    font-size: 180px; /* さらに大きく */
    font-weight: bold;
    color: #fff;
    margin-top: 20px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

.subscriber-count span {
    color: var(--primary-color);
}

/* セクション共通 */
section {
    padding: 100px 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}
section:nth-of-type(odd) {
    background-color: var(--bg-light);
}

.channel-icon {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 30px;
    border: 5px solid var(--primary-color);
    box-shadow: 0 0 20px rgba(255, 69, 0, 0.5);
}

section h2 {
    font-size: 42px;
    margin-bottom: 60px;
    position: relative;
    display: inline-block;
}

section h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
}

/* YouTubeセクション */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.video-item {
    background-color: var(--bg-dark);
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.video-item iframe {
    width: 100%;
    height: 100%;
    aspect-ratio: 16 / 9;
    border: none;
}

/* 電子書籍セクション */
#ebook {
    background-color: var(--bg-dark);
}

.ebook-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    align-items: start;
}

.ebook-item {
    background-color: var(--bg-light);
    padding: 30px;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.ebook-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.ebook-cover {
    width: 100%;
    max-width: 250px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    margin-bottom: 25px;
}

.ebook-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.ebook-item p {
    flex-grow: 1;
    margin-bottom: 25px;
    color: var(--text-medium);
}

/* フッター */
footer {
    background-color: var(--bg-light);
    color: var(--text-medium);
    text-align: center;
    padding: 40px 0;
}

/* お問い合わせフォーム */
#contact {
    background-color: var(--bg-dark);
    padding-bottom: 100px;
}

/* オンライン個別相談会 */
#consultation {
    background-color: var(--bg-light);
    padding-bottom: 100px;
}

#consultation .consultation-intro {
    font-size: 20px;
    margin-bottom: 50px;
    color: var(--text-light);
}

#consultation .consultation-details {
    background-color: var(--bg-dark);
    padding: 30px;
    border-radius: 15px;
    max-width: 700px;
    margin: 0 auto 60px auto;
    text-align: left;
    border: 1px solid var(--border-color);
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
}

#consultation .consultation-details h3 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
}

#consultation .consultation-details p {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--text-medium);
}

#consultation .consultation-details .price {
    font-size: 36px;
    font-weight: bold;
    color: var(--primary-color);
    margin-top: 20px;
}

#consultation .consultation-details .price span {
    font-size: 0.8em;
    color: var(--text-light);
}

#consultation .consultation-details .apply-info {
    margin-top: 30px;
    font-size: 18px;
}

#consultation .testimonials-heading {
    font-size: 36px;
    margin-bottom: 40px;
    color: var(--text-light);
    position: relative;
    display: inline-block;
}

#consultation .testimonials-heading::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-item {
    background-color: var(--bg-dark);
    padding: 30px;
    border-radius: 15px;
    text-align: left;
    border: 1px solid var(--border-color);
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center; /* 画像とテキストを中央揃え */
}

.testimonial-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.4);
}

.testimonial-item .testimonial-img {
    width: 80px; /* 画像サイズ調整 */
    height: 80px; /* 画像サイズ調整 */
    border-radius: 50%; /* 円形に */
    object-fit: cover;
    margin-bottom: 20px;
    border: 3px solid var(--primary-color);
    box-shadow: 0 0 10px rgba(255, 69, 0, 0.3);
}

.testimonial-item .quote {
    font-size: 18px;
    font-style: italic;
    margin-bottom: 20px;
    color: var(--text-light);
    text-align: center; /* 引用文を中央揃え */
}

.testimonial-item .author {
    font-weight: bold;
    color: var(--primary-color);
    text-align: center; /* 著者名を中央揃え */
}

#contact p {
    font-size: 18px;
    margin-bottom: 40px;
    color: var(--text-medium);
}

#contact form {
    max-width: 600px;
    margin: 0 auto;
    text-align: left;
    background-color: var(--bg-light);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: bold;
    color: var(--text-light);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: calc(100% - 20px);
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: #2a2a2a;
    color: var(--text-light);
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
}

.form-group textarea {
    resize: vertical;
}

#contact .cta-button {
    display: block;
    width: 100%;
    text-align: center;
    margin-top: 30px;
}