:root {
    --main-color: #c2d555;
    --main-color-soft: #d4e18b;
    --main-color-pale: #dfec98;
    --main-color-fluo: #c5d85840;
    --background-top: #fcf8e3;
    --background-bottom: #fff4d1;
    --background:
        linear-gradient(var(--background-top) 30%,
            var(--background-bottom));
    --main-color-strong: #a2b825;
    --sub-color: #b99f72;
    --sub-color-soft: #d8bb8a;
    --sub-color-strong: #96815c;
    --text-color: #27231d;
    --scroll-margin: 10px;
    --main-color-dark: #818553;
    --main-color-grayish: #6d6e5e;
    --main-color-grayish-fluo: rgb(146 147 127 / 90%);;
}

:root.theme-orange {
    --main-color: #f8b06d;
    --main-color-soft: #f8cfa9;
    --main-color-pale: #fde5c4;
    --background-top: #fffdf2;
    --background-bottom: #fefce7;
    --background: linear-gradient(var(--background-top) 30%,
            var(--background-bottom));
    --main-color-strong: #d57b27;
    --text-color: #27231d;
}

body {
    margin: 0;
    padding: 0;
    background-color: transparent;
}

* {
    color: var(--text-color);
    font-size: 1em;
    line-height: initial;
    margin: 0;
    -webkit-tap-highlight-color: #00000000;
    -webkit-tap-highlight-color: var(--main-color-fluo);
}

h1,
h2,
h3,
h4,
h5,
h6,
a,
p,
li,
th,
td {
    line-height: 1.4em;
    margin: 0.5em auto;
}

ul {
    padding-left: 20px;
}

table {
    margin: auto;
}

th,
td {
    padding: 0.1em 1em;
}

*::selection {
    background-color: var(--main-color-soft);
    color: white;
}

body::after {
    content: "";
    position: fixed;
    top: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    background-size: cover;
    background-attachment: fixed;
    background: var(--background);
    z-index: -9999;
}

.base.app {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    min-height: 100%;
}

.base.width {
    width: 100%;
    height: 100%;
}

.content {
    display: contents;
}

main {
    text-align: center;
    transition: 300ms;
    margin: 8px auto 0;
    padding: 0 0 8px;
    min-height: 100%;
    max-width: 1080px;
    background: rgba(255, 255, 255, 0.5);
    width: 98%;
    border-radius: 8px;
}

#mainarea {
    padding-bottom: 4vh;
}

#content {
    position: relative;
}

footer {
    bottom: 0;
    text-align: center;
    padding-top: 32px;
}

footer svg {
    margin: 0 4px;
}

.emoji {
    width: 1em;
    /* height: 2em; */
    /* vertical-align: -0.6em; */
    padding: 0 0.05em 0 0.1em;
    vertical-align: -0.12em;
    margin: 0;
}

h1,
h2,
h3,
h4 {
    display: block;
    margin: 0;
}

h1 {
    margin: 1em auto 0.7em;
    font-size: 2em;
}

h2 {
    margin: 0.3em 0.1em;
    font-size: 1.6em;
}

h3 {
    font-size: 1.1em;
    margin: 0.5em auto;
}

h1+h3,
h2+h3 {
    transform: translateY(-0.5em);
}

h3+img,
h3+p {
    margin: 0.5em auto 1.5em;
}

ul+h2,
p+h2 {
    margin: 1.5em auto 0.5em;
}

p {
    margin: 0.5em auto;
    box-sizing: border-box;
}

ul {
    display: inline-block;
    margin: 0;
    /* padding-left: 0; */
    text-align: left;
    min-width: 300px;
    box-sizing: border-box;
}

li ul {
    display: block;
}

h1,
h2 {
    font-weight: bold;
}

h1,
h1 * {
    color: var(--main-color);
}

h2,
h2 * {
    color: var(--main-color);
}

h3,
h3 *,
h4,
h4 * {
    color: var(--main-color-soft);
}

h3 a,
h3 a *,
h4 a,
h4 a * {
    color: var(--main-color);
}

a {
    transition: 100ms;
}

a,
a * {
    color: var(--main-color-strong);
}

.list h3 {
    color: var(--main-color-soft);
    margin-top: 0;
}

.cb {
    clear: both;
}

input {
    margin: 4px;
    line-height: 1.5em;
    vertical-align: middle;
}

input[type="text"],
input[type="search"] {
    width: 20em;
}

/* スクロールバー設定 */
body {
    overflow-y: overlay;
}

body::-webkit-scrollbar,
.window::-webkit-scrollbar {
    width: var(--scroll-margin);
    height: var(--scroll-margin);
}

.mobile body::-webkit-scrollbar,
.mobile .window::-webkit-scrollbar {
    width: 0;
    height: 0;
}

body::-webkit-scrollbar-track {
    background: var(--background);
}

body::-webkit-scrollbar-thumb,
.window::-webkit-scrollbar-thumb {
    background: var(--main-color-soft);
    border-radius: 5px;
}

.button {
    cursor: pointer;
}

.button svg [fill="black"] {
    fill: var(--main-color-soft);
}

.button:not(li):hover svg [fill="black"] {
    fill: var(--main-color-pale);
}

.fillScreen {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: 0;
}

.flex {
    display: flex;
    flex-wrap: wrap;
}

.flex>* {
    margin: 16px;
}

.flex.center {
    justify-content: center;
}

.lightbox {
    background-color: rgba(0, 0, 0, 0.3);
    opacity: 0;
    pointer-events: none;
    width: 100vw;
    height: 100vh;
    display: none;
    position: fixed;
    z-index: 5000;
}

.lightbox .window {
    /* background-color: rgba(255, 255, 255, 0.9); */
    /* width: 90%; */
    height: 80%;
    overflow-y: scroll;
    display: flex;
    flex-wrap: wrap;
    flex-direction: row;
    align-content: flex-start;
}

.lightbox .preview {
    height: 100%;
    user-select: none;
    width: 50%;
    max-height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    background-color: var(--main-color-grayish-fluo);
}

.lightbox .preview_text {
    width: 50%;
    max-height: 100%;
}

.lightbox .preview a.link {
    height: auto;
    max-height: 100%;
    margin: 0;
    display: contents;
}

.lightbox .preview img.viewer {
    object-fit: contain;
    width: 100%;
    height: 100%;
}

.lightbox .preview img.loading {
    visibility: hidden;
    position: absolute;
    scale: 0;
}

.lightbox .preview_text {
    font-size: 18pt;
    word-break: break-word;
    background: rgb(255 255 255 / 90%);
}

.lightbox .preview_text p {
    white-space: pre-wrap;
}

.lightbox .preview_text>* {
    margin: 18px;
    margin-left: 32px;
}

.lightbox .preview_text .title {
    font-size: 24pt;
    color: var(--main-color-dark);
}

.lightbox .preview_text> :not(.title) {
    margin-left: 64px;
}

.lightbox .preview_text .date {
    color: var(--main-color-grayish);
}

.lightbox .preview_text>*:first-child {
    margin-top: 32px;
    margin-left: 48px;
    margin-bottom: 8px;
}

.showLightbox {
    overflow-y: hidden;
}

.showLightbox .lightbox {
    opacity: 1;
    pointer-events: all;
    display: flex;
    justify-content: center;
    align-items: center;
}

@media screen and (max-width: 800px) {
    :root {
        --scroll-margin: 6px;
    }

    .lightbox .window {
        max-height: 85%;
        height: auto;
        width: 98%;
        margin-bottom: 48px;
    }

    .lightbox .preview,
    .lightbox .preview_text {
        width: 100%;
    }

    .lightbox .preview {
        height: fit-content;
    }

    .lightbox .preview_text {
        height: auto;
        text-align: center;
    }

    .lightbox .preview img.viewer {
        max-height: 65vh;
    }

    .lightbox .preview_text>*:nth-child(n) {
        margin: 16px 24px;
    }

    .lightbox .preview_text .link {
        margin: 16px;
    }

    .lightbox .preview_text>*:first-child {
        margin-top: 48px;
    }

    .lightbox .preview_text>*:last-child {
        margin-bottom: 48px;
    }
}

.profcard>ul,
.profcard>p {
    width: 100%;
    max-width: 420px;
}

.profcard li {
    list-style: none;
}

.contact>ul {
    width: 100%;
    max-width: 600px;
}