:root {
    --navy: #050a14;
    --navy-light: #0f1c30;
    --gold: #d4af37;
    --gold-light: #f3e5ab;
    --gold-gradient: linear-gradient(135deg, #d4af37 0%, #c5a028 100%);
    --white: #ffffff;
    --gray-text: #a0a0a0;
    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    --transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    --shadow-soft: 0 10px 40px -10px rgba(0, 0, 0, 0.5);
    --glow: 0 0 20px rgba(212, 175, 55, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--white);
    background-color: var(--navy);
    line-height: 1.8;
    overflow-x: hidden;
}

/* Typography Enhancements */
h1,
h2,
h3,
.logo {
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 0.05em;
}

/* ヘッダー */
#header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.2rem 0;
    background: rgba(5, 10, 20, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition);
}

.container {
    width: 88%;
    max-width: 1200px;
    margin: 0 auto;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 800;
    font-size: 1.6rem;
    color: var(--white);
    text-transform: uppercase;
}

.logo span {
    color: var(--gold);
}

#nav ul {
    list-style: none;
    display: flex;
    gap: 3rem;
    align-items: center;
}

#nav ul li a {
    text-decoration: none;
    color: var(--white);
    font-size: 0.9rem;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
    letter-spacing: 0.1em;
}

#nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: var(--transition);
}

#nav ul li a:hover::after {
    width: 100%;
}

.btn-nav {
    border: 1px solid var(--gold);
    padding: 0.6rem 2rem;
    border-radius: 50px;
    color: var(--gold) !important;
}

.btn-nav:hover {
    background: var(--gold);
    color: var(--navy) !important;
    box-shadow: var(--glow);
}

.btn-nav::after {
    display: none;
}

/* ヒーローエリア */
#hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(to bottom, rgba(5, 10, 20, 0.3), rgba(5, 10, 20, 0.9)), url('hero.jpg') center/cover;
    animation: zoomIn 20s infinite alternate;
}

@keyframes zoomIn {
    from {
        transform: scale(1);
    }

    to {
        transform: scale(1.1);
    }
}

#hero h1 {
    font-size: clamp(3.5rem, 8vw, 7rem);
    line-height: 1.1;
    font-weight: 900;
    margin-bottom: 1rem;
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

#hero h1 span {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
}

#hero p {
    font-size: 1.1rem;
    letter-spacing: 0.2em;
    margin-bottom: 3rem;
    opacity: 0.9;
}

/* ボタン (メイン) */
.btn-main {
    display: inline-block;
    padding: 1rem 3.5rem;
    background: var(--gold-gradient);
    color: #000;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    border-radius: 50px;
    letter-spacing: 0.1em;
    transition: 0.3s;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-main:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(212, 175, 55, 0.4);
}

.scroll-down {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
}

.scroll-down::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gold);
    animation: scrollDrop 2s infinite;
}

@keyframes scrollDrop {
    0% {
        transform: scaleY(0);
        transform-origin: top;
    }

    50% {
        transform: scaleY(1);
        transform-origin: top;
    }

    51% {
        transform: scaleY(1);
        transform-origin: bottom;
    }

    100% {
        transform: scaleY(0);
        transform-origin: bottom;
    }
}

/* セクション共通 */
.section {
    padding: 140px 0;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 60px;
    text-align: center;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--gold);
    margin: 20px auto 0;
}

/* ブログ / ニュース */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.blog-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    padding: 30px;
    border-radius: 12px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.blog-card:hover {
    background: rgba(255, 255, 255, 0.07);
    transform: translateY(-10px);
    box-shadow: var(--shadow-soft);
    border-color: rgba(212, 175, 55, 0.3);
}

.blog-card time {
    display: block;
    font-size: 0.85rem;
    color: var(--gold);
    margin-bottom: 10px;
    font-family: 'Montserrat', sans-serif;
}

.blog-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    line-height: 1.4;
}

.blog-card p {
    color: var(--gray-text);
    font-size: 0.95rem;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    overflow: hidden;
}

.no-news {
    text-align: center;
    width: 100%;
    color: var(--gray-text);
}

/* ABOUT / CONCEPT */
.bg-dark {
    background: var(--navy-light);
}

.dual-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.info-box p {
    color: var(--gray-text);
    font-size: 1.05rem;
}

.price-item {
    display: flex;
    justify-content: space-between;
    padding: 20px 0;
    border-bottom: 1px solid var(--glass-border);
    font-family: 'Montserrat', sans-serif;
}

.price-item span {
    font-size: 1.1rem;
}

.price-item strong {
    font-size: 1.5rem;
    color: var(--gold);
}

.price-item.highlight {
    border-bottom: 1px solid var(--gold);
}

.small {
    font-size: 0.8rem;
    color: var(--gray-text);
    margin-top: 15px;
    text-align: right;
}

/* CONTACT */
.cta-box {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
    padding: 80px 40px;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    max-width: 800px;
    margin: 0 auto;
}

.tel-label {
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    margin-bottom: 10px;
    color: var(--gray-text);
}

.tel-link {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-size: 3rem;
    color: var(--white);
    text-decoration: none;
    font-weight: 700;
    margin-bottom: 40px;
    transition: 0.3s;
}

.tel-link:hover {
    color: var(--gold);
    text-shadow: var(--glow);
}

.btn-line {
    display: inline-block;
    padding: 1rem 3rem;
    border: 1px solid var(--white);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    transition: 0.3s;
}

.btn-line:hover {
    background: var(--white);
    color: var(--navy);
}

footer {
    padding: 40px 0;
    text-align: center;
    font-size: 0.8rem;
    color: var(--gray-text);
    border-top: 1px solid var(--glass-border);
    background: var(--navy);
}

/* アニメーション */
.js-reveal {
    opacity: 0;
    transform: translateY(60px);
    transition: var(--transition);
}

.js-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* レスポンシブ */
@media (max-width: 768px) {
    #nav {
        display: none;
        /* 簡易的な非表示（ハンバーガー機能はJS依存だが今回はCSS重点） */
    }

    .hamburger {
        display: block;
        /* 本来はここで作成すべきだがHTMLにクラスがあるか要確認 */
    }

    .dual-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    #hero h1 {
        font-size: 3rem;
    }

    .tel-link {
        font-size: 2rem;
    }

    .section {
        padding: 80px 0;
    }

    .container {
        width: 92%;
    }
}


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

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--navy);
    line-height: 1.8;
    overflow-x: hidden;
}

/* ヘッダー */
#header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Montserrat', sans-serif;
    font-weight: 900;
    font-size: 1.8rem;
    letter-spacing: -1px;
}

.logo span {
    color: var(--blue);
}

/* ヒーローエリア */
#hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    color: var(--white);
    text-align: center;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(rgba(10, 25, 47, 0.7), rgba(10, 25, 47, 0.7)), url('hero.jpg') center/cover;
}

#hero h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(3rem, 10vw, 6rem);
    line-height: 1;
}

#hero h1 span {
    color: var(--blue);
}

/* ブログカードの警告修正箇所 */
.blog-card p {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    /* 行数制限 */
    line-clamp: 3;
    /* 標準プロパティを追加（警告対策） */
    overflow: hidden;
    color: #666;
    font-size: 0.9rem;
}

/* アニメーション用 */
.js-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: var(--transition);
}

.js-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ボタン */
.btn-main {
    display: inline-block;
    padding: 1.2rem 3rem;
    background: var(--orange);
    color: var(--white);
    text-decoration: none;
    font-weight: bold;
    border-radius: 4px;
    margin-top: 2rem;
    transition: 0.3s;
}

.btn-main:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 59, 0, 0.4);
}

/* その他レイアウト */
.section {
    padding: 100px 0;
}

.bg-dark {
    background: var(--navy);
    color: var(--white);
}

.dual-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

@media (max-width: 768px) {
    .dual-grid {
        grid-template-columns: 1fr;
    }
}