@charset "utf-8";
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP&family=Sorts+Mill+Goudy&display=swap');

/* -------------------------------------------------------
* Template: 倉林
* ©2024 under my umbrella（https://um-umbrella.github.io/template/）
*------------------------------------------------------ */

nav {
    display: block;
    justify-content: flex-start;
    align-items: flex-start;
    position: static;

    padding: 0;
    height: auto;
    top: auto;
    left: auto;
    z-index: auto;

    opacity: 1;
    visibility: visible;

    text-align: left;
    background-color: transparent;
}

nav li {
    padding: 0;
}

nav li:not(:last-child) {
    margin: 0;
    width: auto;
    border-bottom: none;
}

:root {
    --main-theme: #858585;
    --sub-theme: #999999;
    --body-bg: #222;
    --text-light-color: #eee;
    --text-dark-color: #333;
}

h2,
h3,
h4,
h5,
h6 {
    font-family: 'Sorts Mill Goudy', 'Noto Sans JP', system-ui;
}

/*------------------------------------------------------ */

.to-top {
    display: flex;
    position: fixed;
    z-index: 2;

    bottom: 16px;
    right: 16px;

    width: 40px;
    height: 40px;

    border: none;
    border-radius: 50%;
    border: 1px solid var(--sub-theme);
    background-color: var(--body-bg);
    transition: border 0.5s;
}

.to-top::before {
    position: relative;
    content: 'TOP';
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    color: var(--main-theme);
}

.to-top:hover {
    border: 1px solid var(--text-light-color);
    background-color: var(--body-bg);
    transition: 0.5s;
}

h1#title {
    margin: 80px 32px;

    font-family: 'Sorts Mill Goudy', 'Noto Sans JP', system-ui;
    font-weight: 300;
    text-align: center;
    color: var(--text-light-color);
}

h2 {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}
h2::before,
h2::after {
    width: 56px;
    height: 3px;

    content: '';
    background-color: var(--text-dark-color);
    opacity: 0.8;
}
h2::before {
    margin-right: 32px;
    border-radius: 50% 0 0 50%;
}
h2::after {
    border-radius: 0 50% 50% 0;
    margin-left: 32px;
}

h3 {
    position: relative;
    margin: 0 0 16px;
    text-align: center;
}

h3::before {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 3px;
    border-radius: 50%;

    content: '';
    background-color: var(--text-dark-color);
    opacity: 0.8;
}

h4,
h5,
h6 {
    position: relative;
    margin: 8px 0;
    padding: 8px 0 0;

    text-align: center;
}

:where(h4, h5, h6)::before {
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    border-radius: 50%;

    content: '';
    background-color: var(--text-dark-color);
    opacity: 0.8;
}

nav ul {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin: 64px 0;

    font-size: smaller;
}

nav li {
    list-style: none;
    margin: 0;
    padding-right: 16px;
}

nav a {
    color: var(--text-light-color);
}

nav a:hover {
    color: var(--text-light-color);
}

footer,
#footer-c a {
    color: var(--text-light-color);
}

.gallery {
    margin-inline: auto;
    width: 95%;
    max-width: 400px;
}

.gallery > div {
    position: relative;
    margin: 0 32px;
    margin-inline: auto;
    overflow: hidden;

    width: 300px;
    height: 300px;
    background-color: #ccc;
    box-sizing: border-box;
}

.gallery img {
    filter: grayscale(1);
    transition: filter 0.3s ease-in-out;
    margin: 0;
}

.gallery *:hover img {
    filter: grayscale(0);
}

.gallery > div:not(:has(img)) {
    padding: 16px 32px;
}

.gallery:last-child {
    margin-bottom: 64px;
}

.new::after {
    position: absolute;
    z-index: 2;
    padding: 4px 32px;

    top: 4px;
    left: -32px;
    transform: rotate(-45deg);

    content: 'NEW';
    font-size: 12px;
    color: var(--text-dark-color);
    background-color: var(--text-light-color);
}

.gallery .black {
    color: var(--text-light-color);
    background-color: var(--body-bg);
}

.white {
    border: 1px solid var(--text-light-color);
    color: var(--text-dark-color);
    background-color: var(--main-theme);
}

/*--------------テキスト向け-------------*/

section:not(.gallery) p {
    font-size: 1em;
}

section:not(.gallery) {
    margin: 0 auto;
    padding: 32px;
    max-width: 600px;

    border: 1px solid var(--text-dark-color);
    color: var(--text-dark-color);
    background-color: #ccc;
}

section:not(.gallery):first-of-type {
    margin-top: 64px;
}

section:not(.gallery):last-child {
    margin-bottom: 64px;
}

/*------------------------------------------------------ */

@media screen and (min-width: 768px) {
    div:has(nav) {
        display: block;
        text-align: center;
    }

    h1#title {
        display: inline-block;
        margin-inline: auto;
        margin-right: 64px;
    }

    nav {
        display: inline-block;
        width: auto;
    }

    nav ul {
        margin: 0;
    }

    .gallery {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: stretch;

        gap: 16px;
        margin-top: 64px;

        width: 90%;
        max-width: 100%;
    }

    .gallery > div {
        margin: 0;
    }
} /*@media*/

/*------------------------------------------------------ */

@media screen and (min-width: 1080px) {
    section:not(.gallery) {
        padding: 64px;
        width: 80%;
        min-width: 800px;
        max-width: 1000px;
    }
} /*@media*/