body {
    margin: 0;
    padding: 0;
    font-family: "Shippori Mincho", "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", serif;
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    text-align: center;
    -webkit-text-size-adjust: 100%;
}

.container {
    width: 90%;
    max-width: 600px;
    padding: 2rem;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.main-image {
    max-width: 250px;
    width: 35%;
    height: auto;
    margin-bottom: 1rem;
    animation: float 3s ease-in-out infinite;
}

h1 {
    font-size: 1.2rem;
    font-weight: 200;
    margin-top: 0;
    margin-bottom: 2.5rem;
    letter-spacing: 0.3em;
}

.tags-row {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: flex-start;
    gap: 2rem;
    margin-bottom: 3rem;
    width: 100%;
}

.tags-row p {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    margin: 0;
    font-size: 0.8rem;
    color: #666;
    letter-spacing: 0.2em;
    line-height: 1;
}

.tags-row p .hash {
    text-orientation: upright;
    display: inline-block;
    margin-bottom: 0.1em;
}

.x-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.8rem;
    color: #6f6f6f;
    text-decoration: none;
    border: 1px solid #ccc;
    border-radius: 50px;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    font-family: "Noto Sans JP", sans-serif;
    transition: all 0.3s ease;
    background-color: transparent;
}

.x-button svg {
    width: 0.9rem;
    height: 0.9rem;
    margin-right: 0.5rem;
    fill: currentColor;
}

.x-button:hover {
    background-color: #6f6f6f;
    border-color: #6f6f6f;
    color: #fff;
    transform: translateY(-2px);
}

.terms {
    margin-top: 1rem;
    font-size: 0.6rem;
    color: #9b9b9b;
    letter-spacing: 0.05em;
    font-family: "Noto Sans JP", sans-serif;
}

.copyright {
    margin-top: 0.5rem;
    font-size: 0.6rem;
    color: #9b9b9b;
    letter-spacing: 0.05em;
    font-family: "Noto Sans JP", sans-serif;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
    100% { transform: translateY(0px); }
}

@media screen and (max-width: 768px) {
    body {
        height: 100dvh;
    }
    .main-image {
        width: 60%;
        margin-bottom: 1rem;
    }
    .tags-row {
        gap: 1.5rem;
        margin-bottom: 2rem;
    }
    h1 { font-size: 1.1rem; }
    .x-button { margin-top: 2rem; }
    .copyright { margin-top: 2rem; }
}