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

body {
    font-family: 'Helvetica Neue', Arial, 'Segoe UI', Roboto, 'Hiragino Kaku Gothic ProN', sans-serif;
    background-color: #fcfcfc;
    color: #111111;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
}
img {
     width: 100%;
     height: auto;
}

.container {
    width: 100%;
    max-width: 960px;
    padding: 60px 20px;
    text-align: center;
}

.main-visual {
    background-color: #e0e0e0;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 8px;
    margin-bottom: 80px;
    color: #666666;
    font-size: 1.2rem;
    letter-spacing: 0.05em;
}

.button-container {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.circle-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background-color: #ffdae0;
    text-decoration: none;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    transition: background-color 0.3s ease;
}

.btn-text {
    color: #555555;
    font-weight: bold;
    font-size: 1rem;
    letter-spacing: 0.03em;
}

.circle-btn:hover {
    background-color: #ffeeb3;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 400;
    letter-spacing: 0.15em;
    margin-bottom: 60px;
    text-transform: lowercase;
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 40px;
    max-width: 800px;
    margin: 0 auto 60px auto;
}

.work-item {
    background-color: #e0e0e0;
    aspect-ratio: 16 / 9;
    border-radius: 6px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
    overflow: hidden;
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), 
                box-shadow 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.work-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

.work-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.back-to-top {
    margin-top: 20px;
}

.back-to-top a {
    color: #888888;
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    transition: color 0.2s ease;
}

.back-to-top a:hover {
    color: #111111;
}

@media (max-width: 768px) {
    .work-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .work-grid {
        grid-template-columns: 1fr;
    }
}
.about-container {
    max-width: 700px !important;
    text-align: left;
}

.about-header {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.about-header .page-title {
    margin-bottom: 0;
}

.menu-btn {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: #111111;
    z-index: 100;
}

.menu-btn .icon-close {
    display: none;
}

.menu-btn.is-active .icon-open {
    display: none;
}

.menu-btn.is-active .icon-close {
    display: inline;
}

.nav-menu {
    position: absolute;
    top: 60px;
    right: 0;
    background-color: #ffffff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    border-radius: 6px;
    padding: 10px 20px;
    display: none;
    z-index: 90;
}

.nav-menu.is-active {
    display: block;
}

.nav-menu ul {
    list-style: none;
}

.nav-menu li {
    margin: 10px 0;
}

.nav-menu a {
    text-decoration: none;
    color: #555555;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

.nav-menu a:hover {
    color: #111111;
}

main section {
    margin-bottom: 50px;
}

main h2 {
    font-size: 1.3rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    margin-bottom: 15px;
    border-left: 3px solid #ffdae0;
    padding-left: 10px;
}

main p {
    font-size: 0.95rem;
    line-height: 1.8;
    color: #444444;
}

.vertical-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 30px;
}

.vertical-item {
    background-color: #e0e0e0;
    width: 100%;
    height: 100px;
    border-radius: 6px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #666666;
}
.sec-video {
    margin-bottom: 50px;
}

.video-container {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    border-radius: 6px;
    overflow: hidden;
    margin-top: 15px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.main-visual {
    width: 100%;
    overflow: hidden;
}


.mv-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover; 
}