* {
    margin: 0;
    padding: 0;
    font-family: 'Arial', 'Hiragino Sans', sans-serif;
}

html, body {
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

body {
    background: #fff5e6;
}

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

p {
    color: #333;
    font-size: 17px;
    line-height: 32px;
    margin-bottom: 25px;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* 上部固定ナビゲーション */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 10000;
    height: 70px;
    background: #ff6b35;
    box-shadow: 0 3px 15px rgba(255, 107, 53, 0.3);
}

.header .container {
    max-width: none;
    width: 100%;
    padding: 0;
    margin: 0;
}

.navbar {
    margin: 0;
    border: none;
}

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

.navbar-brand {
    display: none;
}

.navbar-toggle {
    margin-top: 18px;
    border-color: #fff;
}

.navbar-toggle .icon-bar {
    background: #fff;
}

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

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

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

.navbar-nav>li>a {
    color: #fff !important;
    font-size: 14px;
    font-weight: 700;
    line-height: 70px !important;
    height: 70px !important;
    padding: 0 22px !important;
    transition: all 0.3s;
}

.navbar-nav>li>a:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* メインレイアウト */
.main-layout {
    display: flex;
    margin-top: 70px;
    min-height: calc(100vh - 70px);
}

/* 左側：大きな画像 */
.left-image-section {
    width: 40%;
    background: url(../img/banner_bg.jpg);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
}

.left-image-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

/* 右側：コンテンツエリア */
.right-content-section {
    width: 60%;
    background: #fff;
}

.baner-content {
    padding: 80px 60px 60px;
    background: #fff5e6;
}

.baner-content .container {
    max-width: none;
    width: 100%;
    padding: 0;
    margin: 0;
}

.baner-content .text-content h2 {
    font-size: 42px;
    font-weight: 700;
    color: #ff6b35;
    letter-spacing: -0.5px;
    line-height: 1.3;
    word-wrap: break-word;
}

/* コンテンツセクション */
#portfolio {
    padding: 60px 60px 100px;
}

.content-wrapper {
    max-width: none;
    width: 100%;
    padding: 0;
}

.content-wrapper .container {
    max-width: none;
    width: 100%;
    padding: 0;
    margin: 0;
}

.inner-container {
    max-width: none;
    width: 100%;
    padding: 0;
    margin: 0;
}

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

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

.inner-container .col-md-8 {
    width: 100%;
    padding: 0;
}

.projects-holder-3 h3 {
    font-size: 34px;
    font-weight: 700;
    color: #ff6b35;
    margin-bottom: 30px;
    border-bottom: 4px solid #ff6b35;
    padding-bottom: 15px;
}

.projects-holder-3 p {
    font-size: 17px;
    line-height: 32px;
    color: #333;
}

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

/* フッター */
footer {
    background: #ff6b35;
    padding: 60px 60px;
}

footer .container {
    max-width: none;
    width: 100%;
    padding: 0;
    margin: 0;
}

footer .logo a {
    color: #fff;
    text-decoration: none;
    font-size: 22px;
    font-weight: 700;
    display: block;
    text-align: center;
    margin-bottom: 15px;
}

footer p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 13px;
    text-align: center;
    margin: 0;
    line-height: 24px;
}

/* レスポンシブ */
@media (max-width: 991px) {
    .main-layout {
        flex-direction: column;
    }
    
    .left-image-section {
        width: 100%;
        height: 350px;
        background-attachment: scroll;
    }
    
    .right-content-section {
        width: 100%;
    }
    
    .baner-content {
        padding: 60px 40px 50px;
    }
    
    #portfolio {
        padding: 50px 40px 80px;
    }
    
    footer {
        padding: 50px 40px;
    }
}

@media (max-width: 767px) {
    .navbar-nav>li {
        float: none;
    }
    
    .navbar-nav>li>a {
        line-height: normal !important;
        height: auto !important;
        padding: 15px 20px !important;
    }
    
    .navbar-collapse {
        background: #ff6b35;
    }
    
    .left-image-section {
        height: 250px;
    }
    
    .baner-content {
        padding: 50px 30px;
    }
    
    .baner-content .text-content h2 {
        font-size: 32px;
    }
    
    #portfolio {
        padding: 40px 30px 60px;
    }
    
    .projects-holder-3 h3 {
        font-size: 26px;
    }
    
    footer {
        padding: 40px 30px;
    }
    
    p {
        font-size: 16px;
        line-height: 30px;
    }
}