html {
    font-size: 100%;
}

body {
    margin: 0;
    color: #222;
    line-height: 1.7;
}

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

footer {
    font-size: 0.5rem;
    padding-bottom: 10px;
}

h1 {
    width: 120px;
    padding: 10px 0;
}

ul {
    list-style: none;
    display: flex;
    gap: 20px;
}

a {
    text-decoration: none;
    color: #fff;
}

img {
    display: block;
    max-width: 100%;
}

.wrapper {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 4%;
    text-align: center;
}

.section-title {
    font-size: 2rem;
    border-bottom: 1px solid black;
    display: inline-block;
    margin-bottom: 70px;
}

.content-title {
    font-size: 1rem;
    margin-bottom: 10px;
}

.text {
    font-size: 0.9rem;
}

header li {
    font-size: 0.9rem;
    background-color: #222;
    border-radius: 5px;
    padding: 10px 20px;
}

header li:hover {
    opacity: 0.7;
}

#mainvisual {
    margin-bottom: 80px;
}

#mainvisual img {
    width: 100%;
    height: 600px;
    object-fit: cover;

}

#about {
    margin-bottom: 100px;
}

.content-container{
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    text-align: left;
}

#about img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
}

#bicycle {
    margin-bottom: 100px;
}

#bicycle img {
    margin-bottom: 10px;
}

#footer {
    padding-bottom: 20px;
}