/* ========================================
AI DJ CLUB v2 - メインスタイルシート
カラーパレット:
背景: #050505
アクセント: #c084fc (紫)
セカンダリ: #3b82f6 (青)
テキスト: #fff / #d1d5db
======================================== */
/* --- Google Fonts ---
HTMLのに以下を追加してください:
*/
/* ============ リセット & 基本設定 ============ */
*, *::before, *::after {
box-sizing: border-box;
margin: 0;
padding: 0;
}
:root {
--bg: #050505;
--bg-card: rgba(255, 255, 255, 0.05);
--bg-card-hover: rgba(255, 255, 255, 0.09);
--accent: #c084fc;
--accent-blue: #3b82f6;
--text: #ffffff;
--text-muted: #9ca3af;
--text-dim: #6b7280;
--border: rgba(255, 255, 255, 0.12);
--border-accent: rgba(192, 132, 252, 0.4);
--max-w: 1200px;
--radius: 16px;
--radius-lg: 24px;
--transition: 0.25s ease;
--font-sans: 'Inter', 'Helvetica Neue', Arial, sans-serif;
--font-jp: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', Meiryo, sans-serif;
}
html {
scroll-behavior: smooth;
}
body {
background-color: var(--bg);
color: var(--text);
font-family: var(--font-jp), var(--font-sans);
font-size: 16px;
line-height: 1.7;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
overflow-x: hidden;
}
img, picture, video {
max-width: 100%;
height: auto;
display: block;
}
a {
color: inherit;
-webkit-tap-highlight-color: rgba(0, 0, 0, 0.06);
}
/* ============ 共通ラッパー ============ */
.site-inner {
width: 100%;
max-width: var(--max-w);
margin: 0 auto;
padding: 0 clamp(16px, 5vw, 48px);
}
/* ============ ヘッダー ============ */
.site-header {
position: sticky;
top: 0;
left: 0;
width: 100%;
height: 68px;
z-index: 1000;
background: rgba(5, 5, 5, 0.85);
backdrop-filter: blur(16px);
-webkit-backdrop-filter: blur(16px);
border-bottom: 1px solid var(--border);
display: flex;
align-items: center;
}
.header-inner {
display: flex;
align-items: center;
justify-content: space-between;
gap: 24px;
}
.logo {
font-family: var(--font-sans);
font-size: 1.1rem;
font-weight: 900;
color: var(--text);
text-decoration: none;
letter-spacing: 0.08em;
z-index: 1001;
white-space: nowrap;
}
/* PC ナビ */
.site-nav ul {
display: flex;
list-style: none;
gap: 8px;
}
.site-nav a {
text-decoration: none;
color: rgba(255, 255, 255, 0.75);
font-weight: 600;
font-size: 0.875rem;
letter-spacing: 0.04em;
padding: 6px 12px;
border-radius: 8px;
transition: color var(--transition), background var(--transition);
}
.site-nav a:hover {
color: var(--accent);
background: rgba(192, 132, 252, 0.1);
}
.site-nav .contact-btn {
background: var(--text);
color: #000;
padding: 7px 18px;
border-radius: 50px;
font-weight: 700;
}
.site-nav .contact-btn:hover {
background: var(--accent);
color: var(--text);
}
/* ハンバーガー */
.hamburger {
display: none;
background: none;
border: none;
cursor: pointer;
width: 28px;
height: 20px;
position: relative;
z-index: 1003; /* サイトナビ(1002)より上に常にある */
padding: 0;
flex-shrink: 0;
}
.hamburger .line {
position: absolute;
left: 0;
width: 100%;
height: 2px;
background-color: var(--text);
border-radius: 2px;
transition: all 0.3s ease;
}
.hamburger .line:nth-child(1) { top: 0; }
.hamburger .line:nth-child(2) { top: 50%; transform: translateY(-50%); }
.hamburger .line:nth-child(3) { bottom: 0; }
/* モバイルナビ */
@media (max-width: 900px) {
.hamburger { display: block; }
.site-nav {
position: fixed;
top: 0;
left: 0;
width: 100vw;
height: 100vh;
background: rgba(5, 5, 5, 0.97);
display: flex;
align-items: center;
justify-content: center;
opacity: 0;
visibility: hidden;
transition: opacity 0.3s ease, visibility 0.3s ease;
z-index: 1002; /* ヘッダー(1000)・ハンバーガー(1001)より上 */
}
.site-nav.open {
opacity: 1;
visibility: visible;
}
.site-nav ul {
flex-direction: column;
align-items: center;
justify-content: center;
text-align: center;
gap: 32px;
list-style: none;
padding: 0;
margin: 0;
width: auto;
}
.site-nav li {
list-style: none;
text-align: center;
}
.site-nav a {
font-size: 1.5rem;
padding: 8px 40px;
display: inline-block;
text-align: center;
width: auto;
}
.hamburger[aria-expanded="true"] .line:nth-child(1) {
top: 50%;
transform: translateY(-50%) rotate(45deg);
}
.hamburger[aria-expanded="true"] .line:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] .line:nth-child(3) {
bottom: 50%;
transform: translateY(50%) rotate(-45deg);
}
}
/* ============ メインビジュアル ============ */
.main-visual {
position: relative;
width: 100%;
height: 100vh;
min-height: 480px;
display: flex;
justify-content: center;
align-items: center;
text-align: center;
overflow: hidden;
background: var(--bg);
}
.main-visual-bg {
position: absolute;
inset: 0;
background: url('main-visual.jpeg') center center / cover no-repeat;
opacity: 0.75;
z-index: 0;
}
.main-visual-overlay {
position: absolute;
inset: 0;
background: radial-gradient(ellipse at center, rgba(5,5,5,0.1) 0%, rgba(5,5,5,0.5) 100%);
z-index: 1;
}
.main-visual-content {
position: relative;
z-index: 2;
display: flex;
flex-direction: column;
align-items: center;
gap: 20px;
}
.main-visual h1 {
font-family: var(--font-sans);
font-size: clamp(3rem, 10vw, 8rem);
font-weight: 900;
color: var(--text);
letter-spacing: 0.06em;
line-height: 1;
text-shadow: 0 0 60px rgba(192, 132, 252, 0.5);
}
.main-visual-sub {
font-size: clamp(0.85rem, 1.5vw, 1.1rem);
color: var(--text-muted);
letter-spacing: 0.15em;
text-transform: uppercase;
font-weight: 600;
}
.main-visual-scroll {
position: absolute;
bottom: 32px;
left: 50%;
transform: translateX(-50%);
z-index: 2;
display: flex;
flex-direction: column;
align-items: center;
gap: 8px;
color: var(--text-muted);
font-size: 0.75rem;
letter-spacing: 0.1em;
text-transform: uppercase;
}
.scroll-line {
width: 1px;
height: 40px;
background: linear-gradient(to bottom, var(--text-muted), transparent);
animation: scrollLine 1.8s ease-in-out infinite;
}
@keyframes scrollLine {
0%, 100% { opacity: 0.4; transform: scaleY(0.8); }
50% { opacity: 1; transform: scaleY(1); }
}
@media (max-width: 600px) {
.main-visual { height: 90vh; }
}
/* ============ セクション共通 ============ */
.section {
padding: clamp(64px, 10vw, 120px) 0;
}
.section-tag {
display: inline-block;
font-size: 0.75rem;
font-weight: 700;
letter-spacing: 0.15em;
text-transform: uppercase;
color: var(--accent);
margin-bottom: 12px;
}
.section-title {
font-family: var(--font-sans);
font-size: clamp(2rem, 6vw, 4.5rem);
font-weight: 900;
line-height: 1.05;
letter-spacing: -0.02em;
color: var(--text);
margin-bottom: 20px;
}
.section-desc {
font-size: 1rem;
color: var(--text-muted);
line-height: 1.8;
max-width: 600px;
}
/* ============ ABOUT セクション ============ */
.about-section {
background: var(--bg);
position: relative;
overflow: hidden;
}
.about-section::before {
content: '';
position: absolute;
top: -200px;
right: -200px;
width: 600px;
height: 600px;
background: radial-gradient(circle, rgba(192, 132, 252, 0.08) 0%, transparent 70%);
pointer-events: none;
}
.about-grid {
display: grid;
grid-template-columns: 1fr 1.6fr;
gap: clamp(32px, 5vw, 80px);
align-items: start;
}
.about-label {
font-size: 0.8rem;
font-weight: 700;
letter-spacing: 0.12em;
color: var(--text-dim);
text-transform: uppercase;
margin-bottom: 24px;
padding-top: 4px;
}
.about-label::before {
content: '·';
margin-right: 8px;
color: var(--accent);
}
.about-heading {
font-family: var(--font-sans);
font-size: clamp(3rem, 8vw, 7rem);
font-weight: 900;
line-height: 1;
letter-spacing: -0.03em;
color: rgba(255, 255, 255, 0.06);
user-select: none;
pointer-events: none;
}
.about-body {
display: flex;
flex-direction: column;
gap: 20px;
}
.about-body p {
font-size: clamp(0.95rem, 1.5vw, 1.1rem);
line-height: 1.9;
color: rgba(255, 255, 255, 0.85);
font-weight: 500;
}
.about-body .highlight {
color: var(--accent);
font-weight: 700;
}
@media (max-width: 768px) {
.about-grid {
grid-template-columns: 1fr;
gap: 20px;
}
.about-heading { font-size: 4rem; }
}
/* ============ スクロールバナー ============ */
.scroll-banner {
overflow: hidden;
background: rgba(255, 255, 255, 0.03);
border-top: 1px solid var(--border);
border-bottom: 1px solid var(--border);
height: 80px;
display: flex;
align-items: center;
}
.scroll-banner-track {
display: flex;
align-items: center;
gap: 0;
animation: bannerScroll 25s linear infinite;
white-space: nowrap;
will-change: transform;
}
.scroll-banner-item {
display: flex;
align-items: center;
gap: 32px;
padding: 0 32px;
flex-shrink: 0;
}
.banner-word {
font-family: var(--font-sans);
font-size: 1.5rem;
font-weight: 900;
letter-spacing: 0.1em;
color: rgba(255, 255, 255, 0.15);
text-transform: uppercase;
}
.banner-dot {
width: 6px;
height: 6px;
border-radius: 50%;
background: var(--accent);
opacity: 0.6;
flex-shrink: 0;
}
@keyframes bannerScroll {
from { transform: translateX(0); }
to { transform: translateX(-50%); }
}
/* ============ 活動記録 ============ */
.activity-section {
background: rgba(255, 255, 255, 0.02);
border-top: 1px solid var(--border);
}
.activity-header {
display: flex;
align-items: baseline;
justify-content: space-between;
gap: 20px;
margin-bottom: clamp(32px, 5vw, 56px);
flex-wrap: wrap;
}
.activity-list {
display: flex;
flex-direction: column;
gap: 1px;
background: var(--border);
border-radius: var(--radius);
overflow: hidden;
}
.activity-item {
display: grid;
grid-template-columns: 120px auto 1fr;
align-items: center;
gap: 24px;
padding: 20px 28px;
background: var(--bg);
transition: background var(--transition);
}
.activity-item:hover {
background: rgba(255, 255, 255, 0.03);
}
.activity-date {
font-family: var(--font-sans);
font-size: 0.85rem;
font-weight: 700;
color: var(--text-dim);
letter-spacing: 0.08em;
white-space: nowrap;
}
.activity-badge {
font-size: 0.7rem;
font-weight: 700;
letter-spacing: 0.06em;
padding: 4px 12px;
border-radius: 50px;
white-space: nowrap;
}
.badge-news {
background: rgba(59, 130, 246, 0.15);
color: #60a5fa;
border: 1px solid rgba(59, 130, 246, 0.3);
}
.badge-activity {
background: rgba(192, 132, 252, 0.15);
color: #d8b4fe;
border: 1px solid rgba(192, 132, 252, 0.3);
}
.badge-event {
background: rgba(52, 211, 153, 0.15);
color: #6ee7b7;
border: 1px solid rgba(52, 211, 153, 0.3);
}
.activity-desc {
font-size: 0.95rem;
color: rgba(255, 255, 255, 0.8);
font-weight: 500;
}
.activity-link-wrap {
margin-top: 32px;
text-align: center;
}
.btn-outline {
display: inline-flex;
align-items: center;
gap: 8px;
padding: 12px 28px;
border: 1px solid var(--border-accent);
border-radius: 50px;
color: var(--accent);
font-weight: 700;
font-size: 0.875rem;
text-decoration: none;
transition: background var(--transition), border-color var(--transition);
}
.btn-outline:hover {
background: rgba(192, 132, 252, 0.1);
border-color: var(--accent);
}
@media (max-width: 600px) {
.activity-item {
grid-template-columns: 1fr;
gap: 8px;
padding: 16px 20px;
}
}
/* ============ メンバーギャラリー ============ */
.member-section {
background: var(--bg);
position: relative;
}
.member-section::after {
content: '';
position: absolute;
bottom: -100px;
left: -100px;
width: 400px;
height: 400px;
background: radial-gradient(circle, rgba(59, 130, 246, 0.06) 0%, transparent 70%);
pointer-events: none;
}
.member-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
gap: clamp(20px, 3vw, 36px);
margin-top: clamp(32px, 5vw, 56px);
}
.member-card {
display: flex;
flex-direction: column;
align-items: center;
gap: 12px;
text-align: center;
}
.member-photo {
width: clamp(100px, 14vw, 140px);
height: clamp(100px, 14vw, 140px);
border-radius: 50%;
object-fit: cover;
border: 2px solid var(--border);
transition: border-color var(--transition), transform var(--transition);
background: #1a1a1a;
}
.member-card:hover .member-photo {
border-color: var(--accent);
transform: translateY(-4px);
}
.member-name {
font-size: 0.875rem;
font-weight: 700;
color: rgba(255, 255, 255, 0.85);
}
/* ============ WORK セクション ============ */
.work-intro-section {
background: linear-gradient(135deg, rgba(59, 130, 246, 0.12) 0%, rgba(192, 132, 252, 0.08) 100%);
border-top: 1px solid var(--border);
border-bottom: 1px solid var(--border);
}
.work-intro-grid {
display: grid;
grid-template-columns: 1fr 1.8fr;
gap: clamp(32px, 5vw, 80px);
align-items: center;
}
.work-intro-label {
font-size: 0.8rem;
font-weight: 700;
letter-spacing: 0.12em;
color: var(--text-dim);
text-transform: uppercase;
margin-bottom: 24px;
}
.work-intro-label::before {
content: '·';
margin-right: 8px;
color: var(--accent-blue);
}
.work-intro-heading {
font-family: var(--font-sans);
font-size: clamp(3rem, 8vw, 7rem);
font-weight: 900;
line-height: 1;
letter-spacing: -0.03em;
color: rgba(255, 255, 255, 0.06);
}
.work-intro-body p {
font-size: clamp(0.95rem, 1.5vw, 1.05rem);
line-height: 1.9;
color: rgba(255, 255, 255, 0.8);
font-weight: 500;
}
@media (max-width: 768px) {
.work-intro-grid { grid-template-columns: 1fr; }
}
/* ============ CTAセクション ============ */
.cta-section {
background: var(--bg);
border-top: 1px solid var(--border);
}
.cta-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 20px;
}
.cta-card {
border: 1px solid var(--border);
border-radius: var(--radius-lg);
padding: clamp(32px, 5vw, 56px) clamp(24px, 4vw, 48px);
display: flex;
flex-direction: column;
gap: 16px;
text-decoration: none;
transition: border-color var(--transition), background var(--transition), transform var(--transition);
background: var(--bg-card);
position: relative;
overflow: hidden;
}
.cta-card::before {
content: '';
position: absolute;
inset: 0;
opacity: 0;
transition: opacity var(--transition);
}
.cta-card-about::before {
background: linear-gradient(135deg, rgba(192, 132, 252, 0.08), transparent);
}
.cta-card-contact::before {
background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), transparent);
}
.cta-card:hover {
border-color: var(--border-accent);
transform: translateY(-4px);
}
.cta-card:hover::before {
opacity: 1;
}
.cta-card-label {
font-size: 0.75rem;
font-weight: 700;
letter-spacing: 0.12em;
color: var(--text-dim);
text-transform: uppercase;
}
.cta-card-title {
font-family: var(--font-sans);
font-size: clamp(1.5rem, 3vw, 2.2rem);
font-weight: 900;
letter-spacing: -0.02em;
color: var(--text);
}
.cta-card-arrow {
display: inline-flex;
align-items: center;
justify-content: center;
width: 44px;
height: 44px;
border-radius: 50%;
border: 1px solid var(--border);
color: var(--text-muted);
font-size: 1.2rem;
transition: background var(--transition), border-color var(--transition), color var(--transition);
margin-top: auto;
}
.cta-card:hover .cta-card-arrow {
background: var(--accent);
border-color: var(--accent);
color: var(--text);
}
@media (max-width: 600px) {
.cta-grid { grid-template-columns: 1fr; }
}
/* ============ フッター ============ */
.site-footer {
background: rgba(255, 255, 255, 0.02);
border-top: 1px solid var(--border);
padding: clamp(40px, 6vw, 80px) 0 clamp(24px, 4vw, 40px);
}
.footer-inner {
display: grid;
grid-template-columns: 1fr auto;
gap: 48px;
align-items: start;
}
.footer-brand {
display: flex;
flex-direction: column;
gap: 12px;
}
.footer-logo {
font-family: var(--font-sans);
font-size: 1.2rem;
font-weight: 900;
color: var(--text);
text-decoration: none;
letter-spacing: 0.08em;
}
.footer-tagline {
font-size: 0.85rem;
color: var(--text-dim);
line-height: 1.6;
}
.footer-nav {
display: flex;
flex-direction: column;
gap: 10px;
text-align: right;
}
.footer-nav a {
font-size: 0.875rem;
font-weight: 600;
color: var(--text-muted);
text-decoration: none;
transition: color var(--transition);
}
.footer-nav a:hover {
color: var(--text);
}
.footer-bottom {
margin-top: clamp(24px, 4vw, 48px);
padding-top: 20px;
border-top: 1px solid var(--border);
font-size: 0.8rem;
color: var(--text-dim);
text-align: center;
}
@media (max-width: 600px) {
.footer-inner {
grid-template-columns: 1fr;
gap: 28px;
}
.footer-nav { text-align: left; }
}
/* ============ スクロールアニメーション ============ */
.fade-up {
opacity: 0;
transform: translateY(24px);
transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.is-visible {
opacity: 1;
transform: none;
}
.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }
.fade-up:nth-child(5) { transition-delay: 0.4s; }