* {
    margin: 0;
    padding: 0;
    font-family: 'Hiragino Mincho ProN', 'Yu Mincho', 'MS PMincho', serif;
}

body {
    overflow-x: hidden;
    background: #fff;
}

ul {
    list-style: none;
    margin: 0px;
    padding: 0px;
}

p {
    color: #2c2c2c;
    font-size: 18px;
    line-height: 36px;
    margin-bottom: 25px;
    font-weight: 400;
}

/* シンプルなトップバー */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 0;
    z-index: 10000;
    height: 70px;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid #e0e0e0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.header .container {
    height: 70px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.navbar {
    margin: 0;
    border: none;
    width: 100%;
}

.navbar-inverse {
    background: transparent;
    border: none;
}

.navbar-header {
    display: none;
}

.navbar-toggle {
    display: none;
}

.navbar-collapse {
    padding: 0;
    text-align: center;
}

.navbar-nav {
    float: none;
    display: inline-block;
    margin: 0;
}

.navbar-nav>li {
    float: left;
    margin: 0;
}

.navbar-nav>li>a {
    color: #2c2c2c !important;
    font-size: 13px;
    font-weight: 500;
    line-height: 70px;
    height: 70px;
    padding: 0 25px;
    transition: all 0.3s;
    letter-spacing: 1px;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

.navbar-nav>li>a:hover {
    color: #8b7355 !important;
}

/* 全幅背景画像バナー */
.baner-content {
    width: 100%;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: url(../img/banner_bg.jpg);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
}

.baner-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.7);
}

.baner-content .container {
    position: relative;
    z-index: 1;
}

.baner-content .text-content h2 {
    font-size: 64px;
    font-weight: 300;
    color: #2c2c2c;
    letter-spacing: 2px;
    line-height: 1.4;
    margin-bottom: 40px;
}

/* 中央寄せシンプルレイアウト */
#portfolio {
    padding: 120px 0;
    background: #fff;
}

.content-wrapper {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 40px;
}

/* サイドバーを完全に非表示 */
.inner-container {
    max-width: 800px;
    margin: 0 auto;
}

.inner-container .row {
    margin: 0;
}

.inner-container .col-md-4 {
    display: none;
}

.inner-container .col-md-8 {
    width: 100%;
    padding: 0;
    float: none;
}

.projects-holder {
    width: 100%;
}

.projects-holder-3 {
    width: 100%;
}

.projects-holder-3 h3 {
    font-size: 42px;
    font-weight: 300;
    color: #2c2c2c;
    margin-bottom: 50px;
    letter-spacing: 1px;
    line-height: 1.4;
    text-align: center;
}

.projects-holder-3 p {
    font-size: 18px;
    line-height: 36px;
    color: #2c2c2c;
    margin-bottom: 30px;
    text-align: left;
}

.projects-holder-3 img {
    display: none;
}

/* シンプルなフッター */
footer {
    background: #f8f8f8;
    padding: 80px 0 60px 0;
    border-top: 1px solid #e0e0e0;
}

footer .logo {
    text-align: center;
}

footer .logo a {
    color: #2c2c2c;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 20px;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

footer .logo p {
    color: #888;
    font-size: 12px;
    margin: 0;
    line-height: 20px;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

/* ページ内ナビゲーション */
.page-navigation {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin: 60px 0;
    flex-wrap: wrap;
}

.page-navigation a {
    display: inline-block;
    padding: 12px 24px;
    background: #f8f8f8;
    color: #2c2c2c;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    border: 1px solid #e0e0e0;
    transition: all 0.3s;
    letter-spacing: 0.5px;
    font-family: 'Helvetica Neue', Arial, sans-serif;
}

.page-navigation a:hover {
    background: #8b7355;
    color: #fff;
    border-color: #8b7355;
}

/* レスポンシブ */
@media (max-width: 767px) {
    .navbar-nav>li>a {
        padding: 0 15px;
        font-size: 12px;
    }
    
    .baner-content {
        height: 80vh;
        min-height: 500px;
    }
    
    .baner-content .text-content h2 {
        font-size: 36px;
    }
    
    #portfolio {
        padding: 80px 0;
    }
    
    .content-wrapper {
        padding: 0 25px;
    }
    
    .projects-holder-3 h3 {
        font-size: 28px;
        margin-bottom: 30px;
    }
    
    p {
        font-size: 16px;
        line-height: 30px;
    }
}

@media (max-width: 480px) {
    .navbar-nav>li>a {
        padding: 0 10px;
        font-size: 11px;
    }
    
    .baner-content .text-content h2 {
        font-size: 28px;
        letter-spacing: 1px;
    }
}