/* ========================================= 1. 基本設定 & 変数 ========================================= */ :root { --brand-red: #d80013; --brand-red-dark: #b0000f; --text-main: #222222; --text-sub: #555555; --bg-light: #f9f9f9; --white: #ffffff; --container-width: 1200px; --transition: 0.3s ease; } * { margin: 0; padding: 0; box-sizing: border-box; } html { scroll-behavior: smooth; scroll-padding-top: 120px; } body { font-family: "Noto Sans JP", sans-serif; color: var(--text-main); line-height: 1.8; background-color: var(--white); -webkit-font-smoothing: antialiased; } html[lang="ja"] body { font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif; } html[lang="en"] body { font-family: "Helvetica Neue", "Helvetica", "Arial", sans-serif; } html[lang="zh-hans"] body { font-family: "PingFang SC", "Lantinghei SC", "Microsoft YaHei", "HanHei SC", sans-serif; letter-spacing: 0.05em; } /* ========================================= 2. レイアウト：コンテナ設定 ========================================= */ .container { max-width: var(--container-width); margin: 0 auto; padding: 0 40px; } /* ========================================= 3. ナビゲーション ========================================= */ .navbar { background: var(--white); border-bottom: 3px solid var(--brand-red); position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05); } .flex-nav { display: flex; justify-content: space-between; align-items: center; height: 120px; } .logo img { height: 80px; width: auto; display: block; transition: var(--transition); } .nav-links { display: flex; list-style: none; align-items: center; gap: 30px; } .nav-links a { text-decoration: none; color: var(--text-main); font-weight: 700; transition: var(--transition); } .nav-links a:hover { color: var(--brand-red); } .nav-btn { background: var(--brand-red); color: var(--white) !important; padding: 14px 28px; border-radius: 4px; } .menu-toggle { display: none; flex-direction: column; justify-content: space-between; width: 30px; height: 22px; background: none; border: none; cursor: pointer; z-index: 2000; } .menu-toggle span { width: 100%; height: 3px; background-color: var(--brand-red); transition: all 0.3s; } /* ========================================= 4. ヒーローセクション ========================================= */ .hero { background: linear-gradient(rgba(26, 43, 60, 0.9), rgba(0, 0, 0, 0.7)), url("img/hero-bg.avif"); background-size: cover; background-position: center; padding: 100px 0; text-align: center; } .hero h1 { font-size: 1.6rem; color: var(--white); max-width: 900px; margin: 0 auto 20px; line-height: 1.3; } .hero p.hero-lead { font-size: 2.4rem; color: var(--white); max-width: 900px; margin: 0 auto 40px; line-height: 1.3; } /* 英語版のHTMLタグに が入っている場合 */ html[lang="en"] .hero p.hero-lead { font-size: 1.8rem; /* 日本語(2rem)より少し控えめに */ } .hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; } .hero-card { background: var(--white); padding: 40px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05); text-align: start; border-left: 3px solid var(--brand-red); } .hero-card h3 { font-size: 1.4rem; margin-bottom: 20px; } /* ========================================= 5. セクション共通設定 ========================================= */ .section { padding: 100px 0; } .bg-light { background-color: var(--bg-light); } .section-title { font-size: 2.2rem; text-align: center; margin-bottom: 60px; } .section-title::after { content: ""; display: block; width: 50px; height: 4px; background: var(--brand-red); margin: 15px auto; } /* ========================================= 6. 各コンテンツレイアウト ========================================= */ /* 会社概要 */ .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; } .about-card { background: var(--white); padding: 40px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05); } .about-card h3 { font-size: 1.4rem; margin-bottom: 20px; } /* サービス紹介（事業分野）★修正箇所 */ .services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; } .service-card { background: var(--white); overflow: hidden; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05); display: flex; flex-direction: column; } .service-card .img-placeholder { width: 100%; height: 200px; flex-shrink: 0; } .service-card .img-placeholder img { width: 100%; height: 100%; object-fit: cover; } /* カード内のテキストエリアに余白を追加 */ .service-card h3, .service-card p { padding-left: 30px; padding-right: 30px; } .service-card h3 { font-size: 1.4rem; margin-top: 25px; /* 写真との間隔 */ margin-bottom: 15px; color: var(--text-main); } .service-card p { font-size: 0.95rem; color: var(--text-sub); margin-bottom: 30px; /* カード下部との間隔 */ line-height: 1.7; } /* 強み */ /* 成功事例 */ .flex-content { display: flex; align-items: center; gap: 60px; } .text-area, .image-area { flex: 1; } .strength-points, .case-study { list-style: none; } .strength-points li, .case-study li { margin-bottom: 20px; padding-left: 30px; position: relative; } .strength-points li::before, .case-study li::before { content: "◆"; font-size: 1.3rem; position: absolute; left: 0; color: var(--brand-red); font-weight: bold; } .strength-points h3, .case-study h3 { font-size: 1.3rem; margin-bottom: 8px; color: var(--text-main); } .cases-lead { font-size: 1.125rem; margin-bottom: 24px; } .rounded-img { width: 100%; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1); } /* ========================================= 7. お問い合わせ ========================================= */ .contact-section { background: var(--brand-red); padding: 100px 0; } .contact-card { background: white; padding: 60px; border-radius: 15px; text-align: center; max-width: 800px; margin: 0 auto; } .contact-details p + p { margin-top: 8px; } .phone-link { font-size: 2.5rem; line-height: 1; color: var(--brand-red); text-decoration: none; font-weight: 800; display: block; margin: 6px 0 0; } .email { margin-top: 32px; } .email i { font-size: 1.2rem; margin-right: 8px; } .footer-note { margin-top: 40px; } html[lang="en"] .footer-note em { font-style: italic; display: inline-block; color: #666; } /* ========================================= 8. アニメーション演出 ========================================= */ .fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; } .fade-in.is-visible { opacity: 1; transform: translateY(0); } /* ========================================= 9. レスポンシブ設定 ========================================= */ @media (max-width: 900px) { .hero-grid, .about-grid, .services-grid { grid-template-columns: 1fr; } .flex-content, .case-study-box { flex-direction: column; } } @media (max-width: 768px) { html { scroll-padding-top: 90px; } .flex-nav { height: 90px; } .logo img { height: 60px; } .hero { padding: 80px 0; } .hero h1 { font-size: 1.8rem; line-height: 1.4; padding: 0 10px; } .hero p.hero-lead { font-size: 2rem; } .section { padding: 60px 0; } .section-title { font-size: 1.6rem; margin-bottom: 40px; } .hero-card h3, .about-card h3, .service-card h3, .case-study-box h3, .strength-points h3, .strength-points li::before { font-size: 1.2rem; } /* スマホでのカード内余白の微調整 */ .service-card h3, .service-card p { padding-left: 20px; padding-right: 20px; } .menu-toggle { display: flex; } .nav-links { display: flex; position: fixed; top: 0; right: -100%; width: 100%; height: 100vh; background-color: var(--white); flex-direction: column; justify-content: center; align-items: center; transition: 0.4s ease-in-out; z-index: 1500; gap: 40px; } .nav-links.is-active { right: 0; } .nav-links a { font-size: 1.4rem; } .phone-link { font-size: 1.8rem; } .menu-toggle.is-active span:nth-child(1) { transform: translateY(9.5px) rotate(45deg); } .menu-toggle.is-active span:nth-child(2) { opacity: 0; } .menu-toggle.is-active span:nth-child(3) { transform: translateY(-9.5px) rotate(-45deg); } } @media (max-width: 480px) { .container { padding: 0 20px; } .hero h1 { font-size: 1.5rem; } .hero p.hero-lead { font-size: 1.8rem; } .section-title { font-size: 1.4rem; } .phone-link { font-size: 1.5rem; } .contact-card { padding: 40px 20px; } } footer { background: #1a2a3a; color: rgba(255, 255, 255, 0.7); padding: 60px 0; text-align: center; } /* 許可番号バッジ */ .license-badge { display: inline-block; color: var(--white); background: rgba(255, 255, 255, 0.2); border: 1px solid var(--white); padding: 5px 15px; font-size: 0.85rem; border-radius: 50px; margin-bottom: 20px; letter-spacing: 1px; } /* サブタイトル */ .section-subtitle { margin-top: -40px; margin-bottom: 40px; color: var(--text-sub); font-weight: bold; } .text-center { text-align: center; } /* プロジェクトコンセプト */ .project-concept { text-align: center; font-size: 1.2rem; font-weight: bold; color: var(--brand-red); margin-bottom: 40px; background: var(--white); display: inline-block; padding: 10px 30px; border-radius: 5px; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05); width: 100%; } /* 言語セレクター */ /* --- PC版の設定 --- */ .lang-selector { position: relative; list-style: none; } .lang-current { display: flex; align-items: center; gap: 8px; font-weight: bold; font-size: 0.9rem; color: var(--text-main); border: 1px solid #ddd; padding: 6px 16px; cursor: pointer; transition: var(--transition); user-select: none; /* テキスト選択を防止 */ } /* 開いている時の枠線の色 */ .lang-current.is-open { border-color: var(--brand-red); } .lang-list { position: absolute; top: 110%; /* 少し隙間を空ける */ right: 0; background: var(--white); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1); min-width: 120px; padding: 8px 0; list-style: none; /* 初期状態：非表示 */ opacity: 0; visibility: hidden; transform: translateY(5px); transition: 0.2s ease; z-index: 1000; } /* JSで 'is-open' クラスがついた時だけ表示 */ .lang-list.is-open { opacity: 1; visibility: visible; transform: translateY(0); } .lang-list li a { display: block; padding: 10px 20px; color: var(--text-main); text-decoration: none; font-size: 0.85rem; font-weight: bold; } /* --- スマホ版の設定 (768px以下) --- */ @media (max-width: 768px) { .lang-current { display: none; /* スマホではクリックの親玉を隠す */ } .lang-list { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; display: flex; /* 横並び */ justify-content: center; align-items: center; /* 縦方向の中央寄せを強制 */ width: 100%; margin-top: 20px; padding: 20px 0 0; border-top: 1px solid #eee; } .lang-list li { display: flex; align-items: center; /* リスト項目内も中央寄せ */ } .lang-list li i { margin-right: 16px; } /* 修正：文字の "|" をやめ、border（線）で区切る */ .lang-list li:not(:last-child)::after { content: ""; /* 文字を消す */ display: block; width: 1px; /* 線の太さ */ height: 14px; /* 線の長さ（文字の高さに合わせる） */ background-color: #ccc; /* 線の色 */ margin: 0 15px; /* 左右の余白 */ } .lang-list li a { padding: 5px 0; /* 上下の余白を削ってズレを防止 */ font-size: 1.1rem; line-height: 1; /* 行の高さを最小限にして位置を安定させる */ } } .nobreak { display: inline-block; /* 塊として扱う */ white-space: nowrap; /* 内部での改行を禁止 */ } .nobreak-en { display: inline-block; white-space: nowrap; } @media (max-width: 480px) { /* iPhone SEなどの極端に幅が狭い端末では、突き抜け防止のために改行を許可する */ .nobreak-en { white-space: normal; } .hero-lead { word-wrap: break-word; /* 単語が長すぎる場合に強制改行 */ overflow-wrap: break-word; font-size: 1.6rem; } }