/* モダン・インテリジェント・パレット */
:root {
    --navy-deep: #0f172a;     /* 深い知性のネイビー */
    --accent-yellow: #fde047; /* 閃きと希望のイエロー */
    --gray-bg: #f1f5f9;       /* クリーンな背景 */
    --pure-white: #ffffff;
    --text-body: #334155;     /* 読みやすいスレートグレー */
    --font-heading: 'Lexend', sans-serif;
    --font-jp: 'Noto Serif JP', serif;
}

/* リセット & 基本設定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--gray-bg);
    color: var(--text-body);
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

/* モダン・ヘッダー */
header {
    height: 80px;
    background-color: var(--pure-white);
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    padding: 0 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.05em;
    color: var(--navy-deep);
}

.logo span {
    color: var(--accent-yellow);
    background-color: var(--navy-deep);
    padding: 2px 5px;
    margin-left: 2px;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 40px;
}

nav a {
    text-decoration: none;
    color: var(--navy-deep);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
}

/* ヒーロー：非対称デザイン */
.modern-hero {
    padding-top: 180px;
    padding-bottom: 120px;
    background-color: var(--pure-white);
}

.hero-container {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    padding: 0 50px;
    gap: 100px;
}

.hero-main-text {
    flex: 1;
}

.eng-title {
    font-family: var(--font-heading);
    font-size: 5rem;
    line-height: 1;
    color: var(--navy-deep);
    opacity: 0.05;
    margin-bottom: -40px;
}

.jp-title {
    font-family: var(--font-jp);
    font-size: 3.5rem;
    line-height: 1.3;
    color: var(--navy-deep);
    margin-bottom: 30px;
    position: relative;
}

.hero-visual {
    flex: 1.2;
    position: relative;
}

.hero-visual img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    position: relative;
    z-index: 2;
}

.accent-box {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: var(--accent-yellow);
    top: 30px;
    right: -30px;
    z-index: 1;
}

/* カテゴリ・グリッド */
.category-section {
    padding: 120px 0;
}

.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 50px;
}

.section-label {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--navy-deep);
    margin-bottom: 40px;
}

.grid-layout {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 250px;
    gap: 30px;
}

.grid-card {
    background-color: var(--pure-white);
    position: relative;
    overflow: hidden;
}

.tall { grid-row: span 2; }
.wide { grid-column: span 2; }

.card-img {
    width: 100%;
    height: 100%;
    transition: 0.5s;
}

.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px;
    background: linear-gradient(transparent, rgba(15, 23, 42, 0.9));
    color: var(--pure-white);
    transform: translateY(20px);
    transition: 0.4s;
}

.grid-card:hover .card-info {
    transform: translateY(0);
}

.grid-card:hover .card-img {
    transform: scale(1.1);
}

/* インタビューバナー */
.banner-quote {
    background-color: var(--navy-deep);
    padding: 100px 50px;
    color: var(--pure-white);
}

.banner-inner {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.quote-text p {
    font-family: var(--font-jp);
    font-size: 2rem;
    line-height: 1.5;
}

.cta-button {
    display: inline-block;
    background-color: var(--accent-yellow);
    color: var(--navy-deep);
    text-decoration: none;
    padding: 20px 40px;
    font-weight: 700;
    text-transform: uppercase;
    transition: 0.3s;
}

.cta-button:hover {
    background-color: var(--pure-white);
}

/* フッター */
footer {
    padding: 80px 50px;
    background-color: var(--pure-white);
}

.footer-inner {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.footer-logo {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 2rem;
    margin-bottom: 10px;
}

.copyright {
    font-size: 0.8rem;
    color: var(--text-body);
}

/* レスポンシブ */
@media (max-width: 1000px) {
    .hero-container, .banner-inner, .footer-inner {
        flex-direction: column;
        text-align: center;
        gap: 50px;
    }
    .hero-visual { width: 100%; }
    .hero-visual img { height: 350px; }
    .jp-title { font-size: 2.5rem; }
    .grid-layout {
        grid-template-columns: 1fr;
        grid-auto-rows: 300px;
    }
    .tall, .wide { grid-row: auto; grid-column: auto; }
}