/* ============================================================ 東大創業者の会ファンド — 共通スタイル style.css ============================================================ */ /* ─── Google Fonts は各HTMLので読み込む ─── */ /* ─── CSS Variables ─── */ :root { --navy: #0f1f3d; --navy-mid: #1a3260; --navy-light: #2a4a8a; --accent: #4a7fc1; --accent-light: #6fa3d8; --steel: #8faabf; --fog: #c8d8e8; --cream: #f5f3ef; --white: #ffffff; --text-dark: #1a1a2e; --text-mid: #4a5568; --text-light: #718096; --border: rgba(74, 127, 193, 0.2); } /* ─── Reset ─── */ *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; } html { scroll-behavior: smooth; } body { font-family: 'Noto Sans JP', sans-serif; background: var(--white); color: var(--text-dark); overflow-x: hidden; } /* ============================================================ NAV ============================================================ */ nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding: 0 48px; height: 72px; display: flex; align-items: center; justify-content: space-between; background: rgba(15, 31, 61, 0.92); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(74,127,193,0.15); } .nav-links { display: flex; gap: 36px; list-style: none; } .nav-links a { font-family: 'Bebas Neue', sans-serif; font-size: 15px; letter-spacing: 0.12em; color: rgba(255,255,255,0.7); text-decoration: none; transition: color 0.25s; } .nav-links a:hover { color: var(--accent-light); } .nav-contact { font-family: 'Bebas Neue', sans-serif; font-size: 13px; letter-spacing: 0.12em; padding: 9px 22px; border: 1px solid rgba(74,127,193,0.6); color: var(--fog); text-decoration: none; transition: background 0.25s, color 0.25s; } .nav-contact:hover { background: var(--accent); color: var(--white); border-color: var(--accent); } /* ============================================================ HERO ============================================================ */ .hero { position: relative; min-height: 100vh; background: linear-gradient(160deg, #0a1628 0%, #0f2550 55%, #1a3a72 100%); display: flex; align-items: flex-end; overflow: hidden; } .hero-bg-overlay { position: absolute; inset: 0; background: radial-gradient(ellipse 60% 50% at 70% 40%, rgba(74,127,193,0.15) 0%, transparent 70%), radial-gradient(ellipse 40% 60% at 20% 80%, rgba(26,50,96,0.6) 0%, transparent 70%); } .hero-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(74,127,193,0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(74,127,193,0.06) 1px, transparent 1px); background-size: 80px 80px; } .hero-deco-text { position: absolute; right: -20px; top: 140px; font-family: 'Bebas Neue', sans-serif; font-size: clamp(80px, 10vw, 140px); color: rgba(74,127,193,0.08); letter-spacing: 0.05em; line-height: 1; white-space: nowrap; pointer-events: none; writing-mode: vertical-rl; } .hero-content { position: relative; z-index: 2; padding: 120px 64px 80px; max-width: 640px; } .hero-eyebrow { font-family: 'Bebas Neue', sans-serif; font-size: 12px; letter-spacing: 0.25em; color: var(--accent-light); margin-bottom: 16px; } .hero-title-jp { font-family: 'Noto Serif JP', serif; font-size: clamp(38px, 5vw, 64px); font-weight: 300; color: var(--white); line-height: 1.3; letter-spacing: 0.05em; margin-bottom: 12px; } .hero-title-en { font-family: 'Cormorant Garamond', serif; font-size: clamp(13px, 1.4vw, 16px); color: var(--steel); letter-spacing: 0.3em; text-transform: uppercase; margin-bottom: 28px; font-weight: 300; } .hero-subtitle-vertical { position: absolute; right: 64px; top: 50%; transform: translateY(-50%); writing-mode: vertical-rl; font-family: 'Noto Serif JP', serif; font-size: 15px; font-weight: 300; color: rgba(255,255,255,0.55); letter-spacing: 0.25em; line-height: 1.8; } .hero-tagline { font-family: 'Noto Serif JP', serif; font-size: clamp(14px, 1.8vw, 17px); font-weight: 300; color: rgba(255,255,255,0.55); line-height: 2; letter-spacing: 0.05em; border-left: 2px solid var(--accent); padding-left: 20px; } .hero-scroll { position: absolute; bottom: 40px; left: 64px; display: flex; align-items: center; gap: 12px; font-family: 'Bebas Neue', sans-serif; font-size: 11px; letter-spacing: 0.2em; color: rgba(255,255,255,0.3); } .hero-scroll-line { width: 40px; height: 1px; background: rgba(255,255,255,0.2); } .hero { background: linear-gradient(160deg, rgba(10,22,40,0.85) 0%, rgba(15,37,80,0.75) 55%, rgba(26,58,114,0.7) 100%), url('../images/fund/top.jpg'); background-size: cover; background-position: center; } /* ============================================================ PAGE HERO（サブページ用） ============================================================ */ .page-hero { padding: 160px 64px 80px; background: linear-gradient(160deg, #0a1628 0%, #0f2550 55%, #1a3a72 100%); position: relative; overflow: hidden; } .page-hero-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(74,127,193,0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(74,127,193,0.06) 1px, transparent 1px); background-size: 80px 80px; } .page-hero-content { position: relative; z-index: 2; max-width: 1100px; margin: 0 auto; } .page-hero-label { font-family: 'Bebas Neue', sans-serif; font-size: 12px; letter-spacing: 0.3em; color: var(--accent-light); margin-bottom: 16px; } .page-hero-title { font-family: 'Noto Serif JP', serif; font-size: clamp(32px, 4vw, 52px); font-weight: 300; color: var(--white); letter-spacing: 0.05em; line-height: 1.3; } /* ============================================================ SHARED SECTION ELEMENTS ============================================================ */ .section-label { font-family: 'Bebas Neue', sans-serif; font-size: 12px; letter-spacing: 0.3em; color: var(--accent); margin-bottom: 12px; } .section-title-jp { font-family: 'Noto Serif JP', serif; font-size: clamp(26px, 3.5vw, 38px); font-weight: 300; color: var(--navy); letter-spacing: 0.05em; line-height: 1.4; margin-bottom: 32px; } .divider { width: 40px; height: 2px; background: var(--accent); margin-bottom: 32px; } /* ============================================================ BUTTONS ============================================================ */ .btn-outline { display: inline-block; font-family: 'Noto Sans JP', sans-serif; font-size: 13px; letter-spacing: 0.1em; padding: 14px 40px; border: 1px solid var(--navy); color: var(--navy); text-decoration: none; transition: background 0.25s, color 0.25s; } .btn-outline:hover { background: var(--navy); color: var(--white); } .btn-solid { display: inline-block; font-family: 'Noto Sans JP', sans-serif; font-size: 14px; letter-spacing: 0.12em; padding: 18px 64px; background: var(--navy); color: var(--white); text-decoration: none; transition: background 0.25s, letter-spacing 0.25s; } .btn-solid:hover { background: var(--navy-light); letter-spacing: 0.16em; } /* ============================================================ NEWS ============================================================ */ #news { background: var(--white); padding: 120px 0; } .news-inner { max-width: 800px; margin: 0 auto; padding: 0 64px; } .news-list { list-style: none; } .news-item { border-top: 1px solid var(--border); padding: 28px 0; display: grid; grid-template-columns: 1fr; gap: 8px; transition: opacity 0.2s; } .news-item:last-child { border-bottom: 1px solid var(--border); } .news-item:hover { opacity: 0.7; cursor: pointer; } .news-item-title { font-family: 'Noto Serif JP', serif; font-size: 16px; font-weight: 400; color: var(--text-dark); line-height: 1.7; letter-spacing: 0.03em; } .news-item-excerpt { font-size: 13px; color: var(--text-light); line-height: 1.8; } /* ============================================================ ABOUT ============================================================ */ #about { background: var(--cream); padding: 120px 64px; } .about-inner { max-width: 900px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; } .about-lead { font-family: 'Noto Serif JP', serif; font-size: clamp(17px, 2vw, 20px); font-weight: 400; color: var(--navy); line-height: 1.8; letter-spacing: 0.04em; margin-bottom: 28px; } .about-body { font-size: 14px; color: var(--text-mid); line-height: 2.1; letter-spacing: 0.04em; } /* ============================================================ PORTFOLIO ============================================================ */ #portfolio { background: var(--white); padding: 120px 64px; } .portfolio-inner { max-width: 1100px; margin: 0 auto; } .portfolio-sub { font-family: 'Noto Serif JP', serif; font-size: 14px; font-weight: 400; color: var(--accent); letter-spacing: 0.05em; margin-bottom: 40px; padding-bottom: 16px; border-bottom: 1px solid var(--border); } .logo-grid { display: flex; flex-wrap: wrap; gap: 0; margin-bottom: 60px; } .logo-item { width: calc(100% / 7); padding: 24px 16px; display: flex; align-items: center; justify-content: center; border: 1px solid rgba(0,0,0,0.06); font-family: 'Noto Sans JP', sans-serif; font-size: 13px; font-weight: 500; color: var(--text-mid); letter-spacing: 0.03em; text-align: center; transition: background 0.2s, color 0.2s; } .logo-item:hover { background: var(--cream); color: var(--navy); } /* ─── ロゴ画像 ─── */ .logo-item img { max-width: 85%; max-height: 64px; object-fit: contain; } .portfolio-cta { text-align: center; margin-top: 40px; } /* ============================================================ STATS ============================================================ */ #stats { background: var(--navy); padding: 100px 64px; } .stats-grid { max-width: 1000px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(74,127,193,0.2); } .stat-box { background: var(--navy); padding: 48px 32px; text-align: center; } .stat-label { font-family: 'Times New Roman', sans-serif; font-size: 13px; letter-spacing: 0.2em; color: var(--accent-light); margin-bottom: 16px; } .stat-value { font-family: 'Times New Roman', serif; font-size: 40px; color: var(--white); font-weight: 300; line-height: 1; margin-bottom: 12px; } .stat-desc { font-size: 12px; color: rgba(255,255,255,0.4); line-height: 1.8; letter-spacing: 0.05em; } /* ============================================================ ACTIVITIES ============================================================ */ #activities { background: var(--white); padding: 120px 64px; } .activities-inner { max-width: 1100px; margin: 0 auto; } .activity-block { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-bottom: 2px; min-height: 440px; } .activity-block.reverse { direction: rtl; } .activity-block.reverse > * { direction: ltr; } .activity-img { background: var(--navy-mid); position: relative; overflow: hidden; min-height: 400px; } .activity-img-placeholder { position: absolute; inset: 0; background: linear-gradient(135deg, #1a3260 0%, #0f2550 100%); display: flex; align-items: center; justify-content: center; } .activity-img-label { font-family: 'Bebas Neue', sans-serif; font-size: 80px; color: rgba(74,127,193,0.2); letter-spacing: 0.05em; } .activity-content { background: var(--cream); padding: 64px 56px; display: flex; flex-direction: column; justify-content: center; } .activity-en { font-family: 'Bebas Neue', sans-serif; font-size: 22px; letter-spacing: 0.15em; color: var(--accent); margin-bottom: 20px; } .activity-line { width: 32px; height: 2px; background: var(--accent); margin-bottom: 24px; } .activity-desc { font-size: 14px; color: var(--text-mid); line-height: 2; letter-spacing: 0.04em; } /* ============================================================ BENEFITS ============================================================ */ #benefits { background: linear-gradient(160deg, #0f1f3d 0%, #1a3260 100%); padding: 120px 64px; } .benefits-inner { max-width: 1100px; margin: 0 auto; } .benefits-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; margin-bottom: 64px; } .benefit-card { background: rgba(255,255,255,0.04); border: 1px solid rgba(74,127,193,0.15); padding: 48px 36px; transition: background 0.25s; } .benefit-card:hover { background: rgba(74,127,193,0.1); } .benefit-icon { width: 40px; height: 40px; border: 1px solid var(--accent); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-bottom: 24px; font-size: 18px; } .benefit-title { font-family: 'Noto Serif JP', serif; font-size: 16px; font-weight: 400; color: var(--white); margin-bottom: 16px; letter-spacing: 0.05em; } .benefit-desc { font-size: 13px; color: rgba(255,255,255,0.5); line-height: 2; letter-spacing: 0.04em; } .benefits-quote { max-width: 800px; margin: 0 auto; text-align: center; font-family: 'Noto Serif JP', serif; font-size: clamp(14px, 1.8vw, 17px); font-weight: 300; color: rgba(255,255,255,0.6); line-height: 2.2; letter-spacing: 0.05em; padding-top: 64px; border-top: 1px solid rgba(74,127,193,0.2); } /* ============================================================ JOIN US ============================================================ */ #join { background: var(--cream); padding: 120px 64px; } .join-inner { max-width: 760px; margin: 0 auto; text-align: center; } .join-conditions { text-align: left; background: var(--white); border: 1px solid var(--border); padding: 36px 40px; margin: 32px 0 40px; font-size: 14px; color: var(--text-mid); line-height: 2.2; letter-spacing: 0.04em; } .join-conditions li { list-style: none; padding-left: 16px; position: relative; } .join-conditions li::before { content: '—'; position: absolute; left: 0; color: var(--accent); } /* ============================================================ MEDIA ============================================================ */ #media { background: var(--white); padding: 120px 64px; } .media-inner { max-width: 1100px; margin: 0 auto; } .media-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; } .media-card { border: 1px solid rgba(0,0,0,0.08); overflow: hidden; transition: box-shadow 0.25s, transform 0.25s; } .media-card:hover { box-shadow: 0 12px 40px rgba(15,31,61,0.1); transform: translateY(-4px); } .media-card-img { height: 200px; background: linear-gradient(135deg, #1a3260 0%, #2a4a8a 100%); position: relative; overflow: hidden; } .media-card-img-label { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-family: 'Bebas Neue', sans-serif; font-size: 48px; color: rgba(255,255,255,0.12); } .media-card-body { padding: 24px; } .media-card-title { font-family: 'Noto Serif JP', serif; font-size: 15px; font-weight: 400; color: var(--text-dark); line-height: 1.7; margin-bottom: 12px; letter-spacing: 0.03em; } .media-card-excerpt { font-size: 12px; color: var(--text-light); line-height: 1.9; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; } .media-card-date { font-family: 'Cormorant Garamond', serif; font-size: 13px; color: var(--accent); margin-top: 16px; letter-spacing: 0.05em; } /* ============================================================ MEMBERS ============================================================ */ #members { background: var(--cream); padding: 120px 64px; } .members-inner { max-width: 1100px; margin: 0 auto; } .members-lead { font-size: 14px; color: var(--text-mid); line-height: 2.1; max-width: 720px; margin-bottom: 72px; letter-spacing: 0.04em; } .members-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 48px 64px; } .member-card { display: grid; grid-template-columns: 160px 1fr; gap: 28px; align-items: start; } .member-photo { aspect-ratio: 3/4; background: linear-gradient(135deg, #c8d8e8 0%, #8faabf 100%); overflow: hidden; } .member-photo-placeholder { width: 100%; height: 100%; display: flex; align-items: flex-end; justify-content: center; padding-bottom: 12px; background: linear-gradient(180deg, #c8d8e8 0%, #8faabf 100%); font-family: 'Bebas Neue', sans-serif; font-size: 40px; color: rgba(255,255,255,0.5); } .member-name { font-family: 'Noto Serif JP', serif; font-size: 20px; font-weight: 400; color: var(--navy); letter-spacing: 0.1em; margin-bottom: 6px; } .member-company { font-size: 12px; color: var(--accent); letter-spacing: 0.06em; margin-bottom: 4px; } .member-role { font-size: 12px; color: var(--text-light); letter-spacing: 0.06em; margin-bottom: 16px; } .member-bio { font-size: 13px; color: var(--text-mid); line-height: 2; letter-spacing: 0.04em; } /* ============================================================ CONTACT / FORM ============================================================ */ #contact { background: var(--navy); padding: 120px 64px; } .contact-inner { max-width: 720px; margin: 0 auto; } .contact-inner .section-title-jp { color: var(--white); } .contact-notes { font-size: 13px; color: rgba(255,255,255,0.45); line-height: 2; margin-bottom: 48px; letter-spacing: 0.04em; } .contact-notes a { color: rgba(255,255,255,0.6); text-decoration: underline; } .form-group { margin-bottom: 24px; } .form-label { display: block; font-size: 12px; letter-spacing: 0.1em; color: rgba(255,255,255,0.5); margin-bottom: 8px; } .form-input, .form-textarea { width: 100%; background: rgba(255,255,255,0.05); border: 1px solid rgba(74,127,193,0.3); color: var(--white); font-family: 'Noto Sans JP', sans-serif; font-size: 14px; padding: 14px 16px; outline: none; transition: border-color 0.25s; letter-spacing: 0.04em; } .form-input:focus, .form-textarea:focus { border-color: var(--accent-light); } .form-input::placeholder, .form-textarea::placeholder { color: rgba(255,255,255,0.2); } .form-textarea { resize: vertical; min-height: 120px; } .form-submit { width: 100%; padding: 18px; background: var(--accent); border: none; color: var(--white); font-family: 'Noto Sans JP', sans-serif; font-size: 15px; letter-spacing: 0.15em; cursor: pointer; margin-top: 8px; transition: background 0.25s; } .form-submit:hover { background: var(--accent-light); } /* ============================================================ FOOTER ============================================================ */ footer { background: #080f1e; padding: 36px 64px; display: flex; align-items: center; justify-content: space-between; } .footer-logo { font-family: 'Noto Serif JP', serif; font-size: 14px; font-weight: 300; color: rgba(255,255,255,0.4); letter-spacing: 0.1em; } .footer-logo span { display: block; font-family: 'Cormorant Garamond', serif; font-size: 10px; letter-spacing: 0.35em; color: rgba(255,255,255,0.2); margin-top: 4px; } .footer-sns a { color: rgba(255,255,255,0.3); text-decoration: none; font-size: 13px; transition: color 0.2s; } .footer-sns a:hover { color: rgba(255,255,255,0.7); } /* ============================================================ ANIMATIONS ============================================================ */ .fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; } .fade-up.visible { opacity: 1; transform: translateY(0); } /* ============================================================ RESPONSIVE ============================================================ */ @media (max-width: 900px) { nav { padding: 0 24px; } .nav-links { gap: 20px; } .hero-content { padding: 100px 32px 60px; } .hero-subtitle-vertical { display: none; } .page-hero { padding: 120px 32px 60px; } #about { padding: 80px 32px; } .about-inner { grid-template-columns: 1fr; gap: 40px; } #portfolio { padding: 80px 32px; } .logo-item { width: calc(100% / 4); } #stats { padding: 60px 32px; } .stats-grid { grid-template-columns: repeat(2, 1fr); } #activities { padding: 80px 32px; } .activity-block { grid-template-columns: 1fr; } .activity-block.reverse { direction: ltr; } #benefits { padding: 80px 32px; } .benefits-cards { grid-template-columns: 1fr; } #join { padding: 80px 32px; } #media { padding: 80px 32px; } .media-cards { grid-template-columns: 1fr; } #members { padding: 80px 32px; } .members-grid { grid-template-columns: 1fr; } #contact { padding: 80px 32px; } footer { padding: 28px 32px; flex-direction: column; gap: 16px; text-align: center; } }