@charset "UTF-8";

/* =========================================
   変数定義・リセット
   ========================================= */
:root {
    --primary-color: #003366; /* 濃い紺色：信頼 */
    --accent-color: #c5a059;  /* ゴールド：品格 */
    --bg-color: #f4f7fa;      /* 薄い青グレー：背景 */
    --text-color: #333;       /* 黒：文字 */
    --white: #ffffff;
    --nav-height: 70px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--bg-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
}

a:hover {
    opacity: 0.8;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* =========================================
   共通ヘッダー
   ========================================= */
header {
    background-color: var(--white);
    height: var(--nav-height);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    padding: 0 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.logo span {
    font-size: 0.8rem;
    display: block;
    color: #666;
    font-weight: normal;
}

/* PC用ナビゲーション */
.pc-nav ul {
    display: flex;
    gap: 20px;
}

.pc-nav a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--primary-color);
    padding: 10px 0;
    position: relative;
}

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

.pc-nav a:hover::after {
    width: 100%;
}

.btn-contact {
    background-color: var(--accent-color);
    color: var(--white) !important;
    padding: 10px 20px !important;
    border-radius: 4px;
}

.btn-contact:hover::after {
    width: 0 !important;
}

/* スマホ用ハンバーガーメニュー */
.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 5px 0;
    transition: 0.3s;
}

/* スマホ用ナビ（デフォルト非表示） */
.sp-nav {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background-color: var(--primary-color);
    padding: 20px;
}

.sp-nav li {
    margin-bottom: 15px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sp-nav a {
    color: var(--white);
    font-size: 1.1rem;
    display: block;
    padding: 10px;
}

/* =========================================
   メインコンテンツ共通
   ========================================= */
main {
    margin-top: var(--nav-height);
    flex: 1;
    padding-bottom: 60px;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 20px;
}

.page-title {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 40px 20px;
    text-align: center;
    margin-bottom: 40px;
}

.page-title h1 {
    font-size: 2rem;
    margin-bottom: 10px;
}

/* ここを修正しました：中央揃えを明示 */
.page-title p {
    font-size: 1rem;
    opacity: 0.9;
    text-align: center; 
}

h2 {
    font-size: 1.8rem;
    color: var(--primary-color);
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 10px;
    margin-bottom: 20px;
    margin-top: 40px;
}

h3 {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    border-left: 5px solid var(--accent-color);
    padding-left: 10px;
}

p {
    margin-bottom: 1.5rem;
    text-align: justify; /* 全体の段落は両端揃え */
}

/* =========================================
   トップページ専用
   ========================================= */
.hero {
    background: linear-gradient(rgba(0,51,102,0.8), rgba(0,51,102,0.8)), url('https://placehold.jp/1200x600.png?text=Office+Image');
    background-size: cover;
    background-position: center;
    color: var(--white);
    text-align: center;
    padding: 100px 20px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    text-align: center;
}

.btn-hero {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--white);
    padding: 15px 30px;
    font-size: 1.1rem;
    border-radius: 5px;
    margin-top: 20px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.card {
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    text-align: center;
}

.card h3 {
    border-left: none;
    margin-bottom: 10px;
}

/* =========================================
   Q&A, フォーム等
   ========================================= */
.faq-item {
    background: var(--white);
    margin-bottom: 20px;
    padding: 20px;
    border-radius: 5px;
    border-left: 5px solid var(--primary-color);
}

.question {
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.answer {
    padding-left: 20px;
}

form {
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.btn-submit {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 15px 40px;
    font-size: 1rem;
    border-radius: 4px;
    cursor: pointer;
    display: block;
    margin: 0 auto;
}

.btn-submit:hover {
    background-color: #002244;
}

/* =========================================
   共通フッター
   ========================================= */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 40px 20px;
    text-align: center;
}

footer p {
    text-align: center;
    margin-bottom: 10px;
}

.footer-nav {
    margin-bottom: 20px;
}

.footer-nav a {
    color: #ccc;
    margin: 0 10px;
    font-size: 0.9rem;
}

/* =========================================
   レスポンシブ (スマホ)
   ========================================= */
@media (max-width: 768px) {
    .pc-nav {
        display: none;
    }
    .hamburger {
        display: block;
    }
    .hero h1 {
        font-size: 1.8rem;
    }
    .container {
        padding: 20px;
    }
    form {
        padding: 20px;
    }
}