/* * フロントページ・ヒーロー専用CSS。 * /Users/threek-system/Desktop/スリーケシステムHP/index.html L55-420 + media query から抽出。 * Lightning の他箇所に影響しないよう .site-header / .hero / .mobile-nav 配下にスコープしている。 */ :root { --dark: #0d0d1a; --dark-mid: #141428; --dark-surface: #1a1a32; --dark-border: rgba(255,255,255,0.08); --white: #ffffff; --off-white: #f5f5f7; --light-bg: #fafafa; --accent: #0055cc; --accent-light: #3388ee; --accent-glow: rgba(0,85,204,0.15); --text-primary: #111111; --text-secondary: #555555; --text-tertiary: #999999; --text-on-dark: #ffffff; --text-on-dark-sub: rgba(255,255,255,0.6); --border: rgba(0,0,0,0.08); --header-h: 88px; } /* スコープ内のリセット（参照HTMLの * リセットをLightningに波及させないため限定適用） */ .site-header, .site-header *, .hero, .hero *, .mobile-nav, .mobile-nav *, .mobile-overlay { box-sizing: border-box; } .site-header, .site-header *, .hero, .hero *, .mobile-nav, .mobile-nav * { margin: 0; padding: 0; } .site-header *::selection, .hero *::selection, .mobile-nav *::selection { background: var(--accent); color: var(--white); } /* フロントページのみ直後の余白を消し、ヒーローを画面上端に張り付ける */ body.home, body.front-page, body.page-template-default.home { overflow-x: hidden; } /* ===== HEADER ===== */ /* ===== Cybozu風クリーンな白ヘッダー ===== */ .site-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background: #ffffff; border-bottom: 1px solid var(--border); transition: box-shadow 0.4s; font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif; } .site-header.scrolled { box-shadow: 0 4px 18px rgba(15,30,70,0.07); } .site-header .header-inner { max-width: 1400px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 0 clamp(24px, 4vw, 60px); height: var(--header-h); } .site-header .header-logo { font-family: "Outfit", sans-serif; font-weight: 700; font-size: clamp(1.7rem, 2.4vw, 2.2rem); color: var(--text-primary); letter-spacing: 0.04em; white-space: nowrap; text-decoration: none; } .site-header .header-logo .logo-accent { color: var(--accent); } /* 下段：メインナビ（フラットなテキストリンク） */ .site-header .nav-main { display: flex; align-items: center; gap: clamp(10px, 2vw, 34px); list-style: none; padding: 0; margin: 0; } .site-header .nav-main a { position: relative; display: inline-flex; align-items: center; padding: 8px 2px; font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif; font-size: clamp(1.1rem, 1.25vw, 1.25rem); font-weight: 600; letter-spacing: 0.04em; color: var(--text-primary); text-decoration: none; transition: color 0.25s ease; } .site-header .nav-main a:hover { color: var(--accent); } .site-header .nav-main a::after { content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: var(--accent); border-radius: 2px; transition: width 0.3s ease; } .site-header .nav-main a:hover::after { width: 100%; } /* ===== ナビ（右側・1列） ===== */ .site-header .header-nav-stack { display: flex; flex-direction: row; align-items: center; gap: clamp(18px, 2.4vw, 40px); } /* 主要ナビを左、ユーティリティを右に並べる */ .site-header .header-nav-stack > nav { order: 1; } .site-header .header-nav-stack > .nav-util { order: 2; } /* ユーティリティナビ（細身・淡色のテキストリンク） */ .site-header .nav-util { display: flex; align-items: center; gap: 14px; list-style: none; margin: 0; padding: 0 0 0 clamp(18px, 2.4vw, 36px); border-left: 1px solid var(--border); } .site-header .nav-util > li { display: flex; align-items: center; } /* 区切り線（電話の手前以外） */ .site-header .nav-util > li:not(:last-child)::after { content: ""; width: 1px; height: 11px; margin-left: 14px; background: rgba(0,0,0,0.14); } .site-header .nav-util a { font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif; font-size: 0.95rem; font-weight: 500; letter-spacing: 0.04em; color: var(--text-secondary); text-decoration: none; transition: color 0.25s ease; } .site-header .nav-util a:hover { color: var(--accent); } /* 導入相談ダイアル（電話CTA） */ .site-header .nav-util .nav-util-tel { display: inline-flex; align-items: center; gap: 8px; padding: 7px 18px; border: 1px solid rgba(0,85,204,0.25); border-radius: 999px; background: rgba(0,85,204,0.05); color: var(--accent); transition: background 0.25s ease, border-color 0.25s ease; } .site-header .nav-util .nav-util-tel:hover { color: var(--accent); background: rgba(0,85,204,0.1); border-color: rgba(0,85,204,0.45); } .site-header .nav-util .nav-util-tel i { font-size: 0.95rem; color: var(--accent); } .site-header .nav-util .nav-util-tel-label { font-size: 0.82rem; letter-spacing: 0.06em; opacity: 0.9; } .site-header .nav-util .nav-util-tel-num { font-family: "Outfit", sans-serif; font-size: 1.15rem; font-weight: 700; letter-spacing: 0.04em; } /* Hamburger */ .site-header .hamburger { display: none; flex-direction: column; justify-content: center; align-items: center; width: 44px; height: 44px; background: none; border: none; cursor: pointer; gap: 6px; z-index: 1001; } .site-header .hamburger span { display: block; width: 22px; height: 2px; background: var(--text-primary); transition: all 0.3s; } .site-header .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(3px, 5.5px); } .site-header .hamburger.active span:nth-child(2) { opacity: 0; } .site-header .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(3px, -5.5px); } /* Mobile nav */ .mobile-nav { display: none; position: fixed; top: 0; right: -100%; width: 320px; max-width: 85vw; height: 100vh; background: var(--dark); z-index: 999; transition: right 0.4s cubic-bezier(0.22, 1, 0.36, 1); padding: 100px 40px 40px; font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif; } .mobile-nav.open { right: 0; } .mobile-nav a { display: block; padding: 16px 0; font-size: 1rem; font-weight: 500; color: var(--text-on-dark); border-bottom: 1px solid var(--dark-border); transition: color 0.3s, padding-left 0.3s; text-decoration: none; } .mobile-nav a:hover { color: var(--accent-light); padding-left: 8px; } .mobile-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 998; opacity: 0; transition: opacity 0.4s; } .mobile-overlay.open { opacity: 1; } /* ===== HERO ===== */ .hero { position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden; background: var(--dark); font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif; } .hero .hero-canvas { position: absolute; inset: 0; z-index: 1; } .hero .hero-overlay { position: absolute; inset: 0; z-index: 2; background: linear-gradient(180deg, rgba(8,8,24,0.3) 0%, rgba(8,8,24,0.1) 40%, rgba(8,8,24,0.5) 100%), radial-gradient(ellipse 80% 60% at 30% 60%, rgba(0,60,180,0.08) 0%, transparent 60%); pointer-events: none; } .hero .hero-content { position: relative; z-index: 10; max-width: 1400px; margin: 0 auto; padding: 0 clamp(24px, 4vw, 60px); padding-top: var(--header-h); padding-right: 30%; width: 100%; } .hero .hero-headline { font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 700; color: var(--white); line-height: 1.3; letter-spacing: 0.02em; margin-bottom: 24px; min-height: 1.3em; } .hero .hero-headline .char { display: inline-block; opacity: 0; transform: translateY(8px); animation: hero-charIn 0.5s ease forwards; } .hero .hero-headline .char.out { animation: hero-charOut 0.3s ease forwards; } /* アクセント文字（ONE STEP など）— 白文字と毛色を変える */ .hero .hero-headline .char--accent { font-family: "Outfit", sans-serif; font-weight: 800; letter-spacing: 0.06em; color: #5cc8ec; filter: drop-shadow(0 0 18px rgba(92, 200, 236, 0.45)); } @keyframes hero-charIn { to { opacity: 1; transform: translateY(0); } } @keyframes hero-charOut { to { opacity: 0; transform: translateY(-6px); } } /* Background floating words */ .hero .hero-bg-words { position: absolute; inset: 0; z-index: 3; pointer-events: none; overflow: hidden; } .hero .hero-bg-word { position: absolute; font-family: 'Outfit', sans-serif; font-weight: 200; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(255,255,255,0); white-space: nowrap; opacity: 0; } .hero .hero-bg-word.show { animation: hero-bgWordIn 4s cubic-bezier(0.25, 1, 0.5, 1) forwards; } .hero .hero-bg-word--1 { top: 8%; right: 6%; font-size: clamp(2.5rem, 7vw, 5.5rem); } .hero .hero-bg-word--2 { bottom: 22%; right: 8%; font-size: clamp(2rem, 6vw, 4.5rem); } .hero .hero-bg-word--3 { top: 14%; left: 5%; font-size: clamp(1.8rem, 5vw, 4rem); } @keyframes hero-bgWordIn { 0% { opacity: 0; color: rgba(255,255,255,0); filter: blur(8px); } 25% { opacity: 1; color: rgba(255,255,255,0.08); filter: blur(0px); } 55% { opacity: 1; color: rgba(255,255,255,0.10); filter: blur(0px); } 85% { opacity: 1; color: rgba(255,255,255,0.04); filter: blur(2px); } 100% { opacity: 0; color: rgba(255,255,255,0); filter: blur(6px); } } .hero .hero-sub { font-size: clamp(0.9rem, 1.5vw, 1.1rem); color: rgba(255,255,255,0.7); line-height: 2; max-width: 540px; opacity: 0; transform: translateY(12px); transition: opacity 0.6s ease, transform 0.6s ease; } .hero .hero-sub.visible { opacity: 1; transform: translateY(0); } .hero .hero-sub strong { display: block; color: rgba(255,255,255,0.9); font-weight: 500; margin-bottom: 4px; } @keyframes hero-fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } } /* Hero info bar */ .hero .hero-info-bar { position: absolute; bottom: 0; left: 0; right: 0; z-index: 10; background: linear-gradient(135deg, #1a2a4a 0%, #1e3455 100%); border-top: 1px solid rgba(255,255,255,0.1); } .hero .info-bar-inner { max-width: 1400px; margin: 0 auto; padding: 22px clamp(24px, 4vw, 60px); display: flex; align-items: center; gap: 32px; flex-wrap: wrap; } .hero .info-bar-label { font-family: "Outfit", sans-serif; font-size: 1rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.14em; color: var(--accent-light); white-space: nowrap; padding-right: 32px; border-right: 1px solid rgba(255,255,255,0.18); } .hero .info-bar-text { font-size: 1.1rem; color: rgba(255,255,255,0.85); display: flex; align-items: center; gap: 20px; flex-wrap: wrap; } .hero .info-bar-date { font-family: "Outfit", sans-serif; font-size: 1rem; font-weight: 500; color: rgba(255,255,255,0.7); white-space: nowrap; } .hero .info-bar-message { font-size: 1.1rem; } .hero .info-bar-tel { color: #ffffff; font-family: "Outfit", sans-serif; font-size: 1.55rem; font-weight: 700; letter-spacing: 0.04em; margin-left: 4px; } .hero .info-bar-download { margin-left: auto; display: inline-flex; align-items: center; gap: 10px; padding: 12px 26px; font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif; font-size: 1.05rem; font-weight: 700; letter-spacing: 0.06em; color: #ffffff; text-decoration: none; background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%); border-radius: 999px; box-shadow: 0 8px 22px rgba(0,85,204,0.4), inset 0 1px 0 rgba(255,255,255,0.18); transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease; white-space: nowrap; } .hero .info-bar-download i { font-size: 1.2rem; line-height: 1; } .hero .info-bar-download:hover { color: #ffffff; background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%); box-shadow: 0 12px 30px rgba(0,85,204,0.55); transform: translateY(-2px); } .hero .info-bar-download:focus-visible { outline: 2px solid var(--accent-light); outline-offset: 3px; } /* Scroll indicator */ .hero .scroll-indicator { position: absolute; bottom: 100px; right: clamp(24px, 4vw, 60px); z-index: 10; display: flex; flex-direction: column; align-items: center; gap: 8px; opacity: 0; animation: hero-fadeUp 0.8s 1s cubic-bezier(0.22, 1, 0.36, 1) forwards; } .hero .scroll-indicator span { font-family: "Outfit", sans-serif; font-size: 0.65rem; letter-spacing: 0.15em; text-transform: uppercase; color: rgba(255,255,255,0.4); writing-mode: vertical-rl; } .hero .scroll-line { width: 1px; height: 60px; background: rgba(255,255,255,0.2); position: relative; overflow: hidden; } .hero .scroll-line::after { content: ''; position: absolute; top: -100%; width: 100%; height: 100%; background: var(--accent-light); animation: hero-scrollDown 2s ease-in-out infinite; } @keyframes hero-scrollDown { 0% { top: -100%; } 100% { top: 100%; } } /* フロントページのみ Lightning / VK の独自モバイル UI を抑止（ヒーロー側のハンバーガーと重複するため） */ body.home #vk-mobile-nav-menu-btn, body.home #vk-mobile-nav, body.home .vk-mobile-nav-menu-btn, body.home .vk-mobile-nav { display: none !important; } @media (max-width: 768px) { :root { --header-h: 88px; } .site-header .header-nav-stack { display: none; } .site-header .hamburger { display: flex; } .mobile-nav { display: block; } .hero .hero-headline { font-size: clamp(1.8rem, 7vw, 2.8rem); } .hero .hero-content { padding-right: clamp(24px, 4vw, 60px); } .hero .info-bar-inner { flex-direction: column; align-items: flex-start; gap: 12px; } .hero .info-bar-label { border-right: none; padding-right: 0; } .hero .info-bar-text { font-size: 1rem; gap: 12px; } .hero .info-bar-tel { font-size: 1.4rem; } .hero .info-bar-download { margin-left: 0; width: 100%; justify-content: center; padding: 14px 22px; } .hero .scroll-indicator { display: none; } }