@charset "UTF-8";
/* --------------------------------------------------
  Template by espace（https://espace.monbalcon.net/）
  Copyright: 2020 espace.

  利用規約を遵守の上、ご利用ください。
  二次配布、販売は禁止しています。
  --------------------------------------------------*/

/* ----- ▼ CSS変数設定 ここから ▼ ----- */
@import url("https://fonts.googleapis.com/css2?family=Hina+Mincho&family=Ysabeau+SC:wght@400;600&family=Zen+Kaku+Gothic:wght@400;500;700&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Material+Symbols+Rounded:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200");
:root {
    --text-color: var(--theme-color0-dark);
    --bg-color: var(--theme-color4-default);
    --menu-bg-color: var(--theme-color4-dark);
    --menu-blink-color: var(--theme-color0-dark);
    --shadow: rgba(0, 0, 0, 0.4);
    --required-color: var(--theme-color3-dark);
    --theme-color0-light: #fff;
    --theme-color0-op-light: rgba(255, 255, 255, 0.75);
    --theme-color0-default: #ece6e1;
    --theme-color0-dark: #222;
    --theme-color1-light: #cddacd;
    --theme-color1-default: #a8baa9;
    --theme-color1-dark: #91a892;
    --theme-color2-default: #b39c7d;
    --theme-color3-light: #d19ea2;
    --theme-color3-default: #b3686e;
    --theme-color3-dark: #a4444c;
    --theme-color4-default: #806854;
    --theme-color4-dark: #534437;
    --swiper-pagination-color: rgba(255, 255, 255, 75%);
    --swiper-pagination-bullet-inactive-color: rgba(255, 255, 255, 75%);
    --swiper-navigation-color: rgba(255, 255, 255, 75%);
    --swiper-navigation-size: 36px;
    --animation: 0.3s;
}

@media (prefers-color-scheme: dark) {
    :root {
        --theme-color0-light: #676462;
        --theme-color0-op-light: rgba(25, 24, 23, 0.85);
        --theme-color0-default: #a7a09a;
        --theme-color0-dark: #d1d1d1;
        --theme-color1-light: #525e52;
        --theme-color1-default: #91a892;
        --theme-color1-dark: #cddacd;
        --theme-color2-default: #695a47;
        --theme-color3-light: #702a30;
        --theme-color3-default: #a0545a;
        --theme-color3-dark: #c57d83;
        --theme-color4-default: #1a1918;
        --theme-color4-dark: #292624;
        --swiper-pagination-color: rgba(255, 255, 255, 75%);
        --swiper-pagination-bullet-inactive-color: rgba(255, 255, 255, 75%);
    }
}

nav ul::-webkit-scrollbar{
   width: 8px;
    height:8px
}
nav ul::-webkit-scrollbar-track{
    background-color: rgba(100,100,100,0.5);
}
nav ul::-webkit-scrollbar-thumb{
   background-color: var(--theme-color1-default);
}

/* ----- ▲ CSS変数設定 ここまで ▲ ----- */

/* ----- ▼ リセット　ここから（基本的には触らない方が良い部分） ▼ ----- */
/*
  Josh's Custom CSS Reset
  https://www.joshwcomeau.com/css/custom-css-reset/
*/
*,
*::before,
*::after {
    box-sizing: border-box;
}

* {
    margin: 0;
}

body {
    -webkit-font-smoothing: antialiased;
}

input,
button,
textarea,
select {
    font: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
    overflow-wrap: break-word;
}

#root,
#__next {
    isolation: isolate;
}

/*
  Add by espace
*/
* {
    word-break: normal;
}

:focus {
    outline: none;
}

html {
    font-size: 62.5%;
}

body {
    word-wrap: break-word;
}

picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
    margin-block: 0;
    margin-inline: auto;
}

a,
button {
    cursor: pointer;
}

a {
    text-decoration: none;
}

img {
    vertical-align: middle;
    max-inline-size: 100%;
}

p,
dl,
ul,
ol,
form,
blockquote,
.box,
.scrollbox {
    margin-block: 2.5rem;
    margin-inline: auto;
}

nav ul {
    list-style: none;
    padding: 0;
}

main {
    hanging-punctuation: allow-end;
}
/* ----- ▲ リセット　ここまで（基本的には触らない方が良い部分） ▲ ----- */

/* ----- ▼ PCレイアウト　ここから ▼ ----- */
/* 基本 */
html {
    background: var(--bg-color);
}

body,
button,
input,
textarea,
select {
    font: 500 1.6rem/2.65rem "Yu Gothic", Meiryo, "Hiragino Kaku Gothic ProN", sans-serif;
    color: var(--text-color);
}

body {
    background: url("../img/layout/bg.png") fixed center/250px 120px;
    min-height: 100vh;
}
body.get-header main,
body.get-header footer {
    margin: auto auto auto calc(180px + 10rem);
}

header {
    position: fixed;
    top: 0;
    left: 4rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    width: calc(220px - 2rem);
    height: 100vh;
    padding: 2rem;
    background: var(--menu-bg-color);
    z-index: 1;
}

main,
footer {
    max-width: calc(100% - (220px + 14rem));
    margin: auto;
}

main {
    background: var(--theme-color0-op-light);
    padding: 2rem 8rem 16rem;
    filter: drop-shadow(6px 10px 10px var(--shadow));
}
main.width-sm > * > * {
    max-inline-size: 800px;
    margin-inline: auto;
}

.top-image {
    position: relative;
    width: 100%;
    aspect-ratio: 2.2/1;
    z-index: 0;
    overflow: hidden;
    background: url("../img/layout/top-image.png") no-repeat center/cover;
}
.top-image::before,
.top-image::after {
    content: "";
    position: absolute;
    display: block;
}

.swiper {
    aspect-ratio: 2.2/1;
}
.swiper .swiper-slide {
    position: relative;
}
.swiper .swiper-slide img {
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
    object-fit: cover;
}
.swiper a {
    transition: opacity var(--animation);
}
.swiper a:hover {
    opacity: 0.75;
}

footer {
    color: var(--theme-color0-light);
}
footer a {
    color: var(--theme-color0-light);
}

/* メニュー */
.menu {
    width: 100%;
}
.menu ul {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin: 0;
    font-size: 1.4rem;
}
.menu ul li {
    width: 100%;
}
.menu ul li a {
    display: block;
    color: var(--theme-color0-default);
    transition: transform var(--animation);
}
.menu ul li a:hover {
    transform: translateX(1.4rem);
}

.fixed-menu {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 91;
}
.fixed-menu ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin: 0;
}
.fixed-menu a,
.fixed-menu button,
.fixed-menu span {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 4rem;
    height: 4rem;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: var(--theme-color0-default);
}
.fixed-menu a::before,
.fixed-menu button::before,
.fixed-menu span::before {
    font: 400 16px/1 "Material Symbols Rounded";
    color: var(--theme-color1-dark);
}
.fixed-menu span {
    opacity: 0.75;
}
.fixed-menu li.next::before {
    content: none;
}
.fixed-menu li.pagetop a::before,
.fixed-menu li.pagetop button::before,
.fixed-menu li.pagetop span::before {
    content: "\keyboard_double_arrow_up";
}
.fixed-menu li.prev a::before,
.fixed-menu li.prev button::before,
.fixed-menu li.prev span::before {
    content: "\keyboard_arrow_left";
}
.fixed-menu li.next a::before,
.fixed-menu li.next button::before,
.fixed-menu li.next span::before {
    content: "\keyboard_arrow_right";
}
.fixed-menu li.home a::before,
.fixed-menu li.home button::before,
.fixed-menu li.home span::before {
    content: "\home";
}
.fixed-menu li.toc a::before,
.fixed-menu li.toc button::before,
.fixed-menu li.toc span::before {
    content: "\menu_book";
}
.fixed-menu li.characters a::before,
.fixed-menu li.characters button::before,
.fixed-menu li.characters span::before {
    content: "\group";
}
.fixed-menu li.images a::before,
.fixed-menu li.images button::before,
.fixed-menu li.images span::before {
    content: "\photo_library";
}

/* 見出し */
h1 {
    height: 11ch;
    border-bottom: 4px solid transparent;
    overflow: hidden;
    white-space: nowrap;
    writing-mode: vertical-lr;
    font: 400 44px/1 "Ysabeau SC", "Yu Gothic", Meiryo, "Hiragino Kaku Gothic ProN", sans-serif;
    color: var(--theme-color4-dark);
    animation: titleVertical 1.6s steps(18), blink 1.8s step-end;
}
h1 a {
    display: block;
    color: var(--theme-color0-default);
    transition: color var(--animation);
}

@keyframes titleVertical {
    from {
        height: 0;
    }
}
@keyframes titleHorizontal {
    from {
        width: 0;
    }
}
@keyframes blink {
    0%,
    99% {
        border-color: var(--menu-blink-color);
    }
    100% {
        border-color: transparent;
    }
}
h2 {
    margin-block: 7rem 10rem;
    padding-block-start: 3rem;
    padding-inline-start: 0.2rem;
    font: 400 2.6rem/1 "Hina Mincho", "Yu Mincho", YuMincho, "Hiragino Mincho Pro", serif;
    text-align: center;
    letter-spacing: 0.2rem;
}

h3,
h4,
h5,
h6 {
    margin-block: 10rem 6rem;
    font-family: "Zen Kaku Gothic", "Yu Gothic", Meiryo, "Hiragino Kaku Gothic ProN", sans-serif;
    font-weight: 600;
    font-size: 1.6rem;
}

h3,
h4 {
    padding-inline-start: 2rem;
    padding-block: 1rem;
}

h3 {
    border-inline-start: 10px solid var(--theme-color1-dark);
}

h4 {
    border-inline-start: 10px solid var(--theme-color1-default);
}

h5,
h6 {
    font-size: 1.4rem;
}
h5 span,
h6 span {
    display: inline-block;
    padding-block: 0.6rem;
    padding-inline: 1rem;
}

h5 span {
    border: 4px solid var(--theme-color1-default);
    background: var(--theme-color1-default);
}

h6 span {
    border: 4px solid var(--theme-color1-default);
}

/* リスト */
ul.no-style,
ol.no-style {
    padding: 0;
    list-style: none;
}
ul.column,
ol.column {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
}
ul.column > *,
ol.column > * {
    margin: 0 !important;
}
ul.column.gap,
ol.column.gap {
    gap: 5px 25px;
}
ul.column.column-2 > *,
ol.column.column-2 > * {
    inline-size: calc((100% - 25px) / 2) !important;
}
ul.column.column-3 > *,
ol.column.column-3 > * {
    inline-size: calc((100% - 50px) / 3) !important;
}
ul .description,
ol .description {
    margin-inline-start: 10px;
}
ul .description::before,
ol .description::before {
    content: "…";
    margin-inline-end: 10px;
}
ul .description:has(ul.small),
ul .description:has(ol.small),
ol .description:has(ul.small),
ol .description:has(ol.small) {
    display: flex;
    justify-content: flex-start;
}
ul .description:has(ul.small)::before,
ul .description:has(ol.small)::before,
ol .description:has(ul.small)::before,
ol .description:has(ol.small)::before {
    content: "└";
}
ul .description > ul.small,
ol .description > ul.small {
    display: inline-block;
    margin-block: 0;
    margin-inline: 0;
}

dl dd {
    margin-block-end: 1.25rem;
    padding-inline-start: 5rem;
    padding-block-end: 1.25rem;
}
dl dd:last-of-type {
    padding-block-end: 0 !important;
    border-block-end: 0 !important;
}
dl.inline {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem 0;
}
dl.inline dt,
dl.inline dd {
    margin-block-end: 0;
    padding-block-end: 1.25rem;
}
dl.inline dt:last-of-type,
dl.inline dd:last-of-type {
    padding-block-end: 0 !important;
    border-block-end: 0 !important;
}
dl.inline dt {
    inline-size: 200px;
}
dl.inline dd {
    inline-size: calc(100% - 200px);
    padding-inline-start: 0;
}

ul li.next {
    list-style: none;
}
ul li.next::before {
    content: "→";
    margin-inline-end: 5px;
    font-size: 120%;
}
ul.small {
    list-style: none;
    padding-inline-start: 0;
}
ul.small li {
    display: inline;
}
ul.small li::before {
    color: var(--theme-color0-default);
}
ul.small li:not(:first-child):not(.next)::before {
    content: ":";
    margin-block: 0;
    margin-inline: 2px 5px;
    font-weight: 900;
}
ul.small li.next::before {
    margin-block: 0;
    margin-inline: 2px 7px;
}

dl dd {
    border-block-end: 2px solid var(--theme-color0-default);
}
dl.inline dt,
dl.inline dd {
    border-block-end: 2px solid var(--theme-color0-default);
}
dl.border {
    padding-block: 15px;
    padding-inline: 20px;
    border: 2px solid var(--theme-color0-default);
    border-radius: 10px;
}

/* フォーム */
.required::after {
    content: "*";
    color: var(--required-color);
}

.form-block {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.form-block > dl:first-child {
    margin-block-start: 0;
}
.form-block > dl:last-of-type {
    margin-block-end: 0;
}
.form-block dl dt,
.form-block dl dd {
    margin: 0;
    padding: 0;
    border-block-end: 0;
}
.form-block dl dd > * {
    margin: 0;
}
.form-block dl.inline {
    gap: 1.25rem 0;
}
.form-block dl.inline dt {
    inline-size: 130px;
}
.form-block dl.inline dd {
    inline-size: calc(100% - 130px);
}
.form-block > *,
.form-block dl dd > * {
    inline-size: 100%;
}

input,
textarea,
select,
button,
input[type="submit"],
input[type="button"] {
    border-radius: 10px;
    background: var(--theme-color0-light);
}

input,
textarea,
select {
    border: 2px solid var(--theme-color0-default);
    transition: border-color var(--animation);
}
input:hover,
input:focus,
textarea:hover,
textarea:focus,
select:hover,
select:focus {
    border-color: var(--theme-color1-dark);
}

main input[type="radio"],
main input[type="checkbox"] {
    display: none;
}
main input[type="radio"] + label,
main input[type="checkbox"] + label {
    position: relative;
    padding-inline-start: 2rem;
    cursor: pointer;
}
main input[type="radio"] + label::before,
main input[type="checkbox"] + label::before {
    content: "";
    position: absolute;
    top: 0.1rem;
    left: 0;
    display: block;
    width: 1.6rem;
    height: 1.6rem;
    background: var(--theme-color0-light);
}
main input[type="radio"] + label + input[type="radio"] + label,
main input[type="radio"] + label + input[type="checkbox"] + label,
main input[type="checkbox"] + label + input[type="radio"] + label,
main input[type="checkbox"] + label + input[type="checkbox"] + label {
    margin-inline-start: 2rem;
}
main input[type="radio"] + label::before {
    border-radius: 1.6rem;
    border: 4px solid var(--theme-color0-light);
    transition: background var(--animation);
}
main input[type="radio"]:checked + label::before {
    background: var(--theme-color1-default);
}
main input[type="checkbox"] + label::before {
    border-radius: 4px;
}
main input[type="checkbox"] + label::after {
    content: "\e5ca";
    position: absolute;
    top: -1px;
    left: -2px;
    font: 600 20px/1 "Material Symbols Rounded";
    color: transparent;
    transition: color var(--animation);
}
main input[type="checkbox"]:checked + label::after {
    color: var(--theme-color1-default);
}

button,
input[type="submit"],
input[type="button"] {
    border: 2px solid var(--theme-color1-default);
    color: var(--theme-color1-dark);
    font-weight: 600;
    transition: border-color var(--animation), background var(--animation);
}
button:hover,
input[type="submit"]:hover,
input[type="button"]:hover {
    background: var(--theme-color1-light);
}

/* リンク */
a.arrow::before,
span.arrow::before {
    content: "\keyboard_arrow_right";
    margin-inline-end: 5px;
    font-family: "Material Symbols Rounded";
    vertical-align: middle;
}
a.btn,
span.btn {
    overflow: hidden;
    padding-block: 5px;
    padding-inline: 7px;
    border: 2px solid var(--theme-color3-default);
    border-radius: 10px;
    font-weight: bold;
}
a.btn.btn-block,
span.btn.btn-block {
    display: block;
    margin-block: 10px;
    text-align: center;
}
a.btn.btn-arrow::after,
span.btn.btn-arrow::after {
    content: "\keyboard_arrow_right";
    margin-inline-start: 5px;
    font-family: "Material Symbols Rounded";
    vertical-align: middle;
}
a.btn.btn-arrow.btn-block,
span.btn.btn-arrow.btn-block {
    position: relative;
    padding-inline-end: 30px;
}
a.btn.btn-arrow.btn-block::after,
span.btn.btn-arrow.btn-block::after {
    position: absolute;
    right: 5px;
}

a {
    color: var(--theme-color3-dark);
    transition: color var(--animation);
}
a:hover {
    color: var(--theme-color1-dark);
}
a.btn,
a.btn-block {
    transition: background var(--animation);
}
a.btn:hover,
a.btn-block:hover {
    color: var(--theme-color3-dark);
    background: var(--theme-color3-light);
}

/* 装飾 */
b,
em,
strong {
    font-weight: bold;
}

em {
    font-style: normal;
    background: linear-gradient(transparent 50%, var(--theme-color2-default) 50%);
}

strong {
    background: var(--theme-color2-default);
}

hr {
    inline-size: 60%;
    margin-block: 10rem;
    margin-inline: auto;
    border: 0;
    border-block-start: 4px solid var(--theme-color0-default);
}

.box {
    padding: 20px;
    border: 2px solid var(--theme-color0-default);
    border-radius: 10px;
}
.box > *:first-child {
    margin-block-start: 0;
    padding-block-start: 0;
}
.box > *:last-child {
    margin-block-end: 0;
    padding-block-end: 0;
}

.scrollbox {
    overflow-y: auto;
    max-block-size: 14rem;
}
.scrollbox::-webkit-scrollbar {
    inline-size: 10px;
}
.scrollbox::-webkit-scrollbar-track {
    background-color: transparent;
}
.scrollbox::-webkit-scrollbar-thumb {
    background: transparent;
    border: 2px solid var(--theme-color0-default);
    border-radius: 10px;
}
.scrollbox > *:first-child {
    margin-block-start: 0;
    padding-block-start: 0;
}
.scrollbox > *:last-child {
    margin-block-start: 0;
    padding-block-start: 0;
}

.onlyrow {
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.material-symbols-rounded {
    font-size: initial;
    vertical-align: unset;
}

.column {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    margin-block: 2.5rem;
    margin-inline: auto;
}
.column > * {
    margin: 0 !important;
}
.column.column-2 {
    grid-template-columns: repeat(2, 1fr);
}
.column.column-3 {
    grid-template-columns: repeat(3, 1fr);
}
.column.column-4 {
    grid-template-columns: repeat(4, 1fr);
}

.text-left {
    text-align: left;
}
.text-center {
    text-align: center;
}
.text-right {
    text-align: right;
}
.text-bold {
    font-weight: bold;
}
.text-small {
    font-size: smaller;
}
.text-large {
    font-size: larger;
}

.env-menu {
    display: 99;
}

.env-writing-mode-vertical {
    margin-inline: 5vh !important;
}
.env-writing-mode-vertical::-webkit-scrollbar {
    inline-size: 10px;
}
.env-writing-mode-vertical::-webkit-scrollbar-track {
    background-color: transparent;
}
.env-writing-mode-vertical::-webkit-scrollbar-thumb {
    background-color: transparent;
    border: 2px solid var(--theme-color0-default);
    border-radius: 10px;
}

.emg-base > * {
    border-radius: 10px;
}
.emg-base > * > a img {
    transition: opacity var(--animation);
}
.emg-base > * > a:hover img {
    opacity: 0.5 !important;
}

.ecs-list > a {
    color: var(--theme-color3-dark);
    transition: background var(--animation);
}
.ecs-list > a:hover {
    color: var(--theme-color3-dark);
    background: var(--theme-color3-light);
    opacity: 1 !important;
}

.ebs-link-btn {
    border: 2px solid var(--theme-color3-default) !important;
}

a.ebs-link-btn {
    transition: background var(--animation);
}
a.ebs-link-btn:hover {
    background: var(--theme-color3-light);
    opacity: 1 !important;
}

span.ebs-link-btn {
    opacity: 0.5;
}

/* インデックス */
#INDEX {
    display: flex;
    flex-direction: column;
    justify-content: center;
}
#INDEX > * {
    margin: 0 auto;
}
#INDEX > main {
    padding: 8rem;
}
#INDEX h1 {
    width: 11ch;
    height: auto;
    border: 0;
    border-right: 4px solid transparent;
    writing-mode: horizontal-tb;
    animation: titleHorizontal 1.6s steps(18), blink 1.8s step-end;
}
#INDEX h1 a {
    color: var(--theme-color2-dark);
}
/* ----- ▲ PCレイアウト　ここまで ▲ ----- */

/* ----- ▼ SPレイアウト　ここから ▼ ----- */
@media only screen and (max-width: 1000px) {
    :root {
        --swiper-navigation-size: 20px;
    }

    /* 基本 */
    body,
    button,
    input,
    textarea {
        font-size: 1.6rem;
        line-height: 2.65rem;
    }
    body.get-header main,
    body.get-header footer {
        margin: 2rem;
    }
    header {
        position: sticky;
        top: -50px;
        left: 2rem;
        width: calc(100% - 4rem);
        height: auto;
        padding: 0;
        background: transparent;
        z-index: 95;
    }
    main,
    footer {
        max-width: 100%;
        margin: 2rem;
    }
    main {
        padding: 2rem;
    }

    /* メニュー */
    .menu {
        position: relative;
        left: 0;
        width: 100%;
        height: auto;
        margin-top: 30px;
        background: var(--theme-color0-op-light);
        border: 2px solid var(--theme-color1-default);
        white-space: nowrap;
        font-size: 14px;
        filter: none;
    }
    .menu::before {
        content: "menu";
        display: block;
        margin-top: -18px;
        margin-left: -2px;
        padding: 2px 0;
        width: 60px;
        background: var(--theme-color1-default);
        border-radius: 6px 6px 0 0;
        font: 600 14px/1 "Ysabeau SC", "Yu Gothic", Meiryo, "Hiragino Kaku Gothic ProN", sans-serif;
        text-align: center;
    }
    .menu ul {
        flex-direction: inherit;
        flex-wrap: nowrap;
        margin: 0;
        padding: 0 10px;
        gap: 1.6rem;
        overflow-x: auto;
    }
    .menu ul::after,
    .menu ul::before {
        position: absolute;
        font-size: 12px;
        color: var(--text-color);
        opacity: 0;
    }
    .menu ul::after {
        content: "\e941";
        font: 400 16px/1 "Material Symbols Rounded";
        bottom: 0px;
        right: 10px;
        animation: arrowAnima 1.6s 3 0.4s ease-out;
    }
    .menu ul::before {
        content: "scroll";
        bottom: -6px;
        right: 30px;
        animation: scrollAnima 1.6s 3 0.4s ease-out;
    }
    .menu ul li a {
        display: inline-block;
        padding: 1rem 0.4rem;
        color: var(--text-color);
    }
    .menu ul li a:hover {
        transform: none;
    }
    @keyframes scrollAnima {
        0% {
            opacity: 0;
            transform: translateX(-100%);
        }
        100% {
            opacity: 1;
            transform: translateX(0);
        }
    }
    @keyframes arrowAnima {
        0% {
            opacity: 0;
            transform: translateX(-202%);
        }
        100% {
            opacity: 1;
            transform: translateX(0);
        }
    }
    .fixed-menu {
        right: 1rem;
    }

    /* 見出し */
    h1 {
        width: 11ch;
        height: auto;
        margin: 0 auto 0 0;
        border: 0;
        border-right: 4px solid transparent;
        writing-mode: horizontal-tb;
        animation: titleHorizontal 1.6s steps(18), blink 1.8s step-end;
    }
    h2 {
        font-size: 2rem;
    }
    h3,
    h4 {
        font-size: 1.4rem;
    }
    h5,
    h6 {
        font-size: 1.2rem;
    }

    /* リスト */
    ul.no-style,
    ol.no-style {
        padding: 0;
        list-style: none;
    }
    ul.column,
    ol.column {
        display: flex;
        flex-direction: column;
    }
    ul.column.column-2 > *,
    ul.column.column-3 > *,
    ol.column.column-2 > *,
    ol.column.column-3 > * {
        inline-size: 100% !important;
    }
    ul .description,
    ol .description {
        display: block;
        margin-inline-start: 10px;
    }
    ul .description::before,
    ol .description::before {
        content: "└";
        margin-inline-end: 10px;
    }
    dl.border,
    dl.inline {
        display: block;
    }
    dl.border dt,
    dl.border dd,
    dl.inline dt,
    dl.inline dd {
        inline-size: 100%;
    }
    dl.border dt,
    dl.inline dt {
        padding-block-end: 0;
        border-block-end: 0;
    }
    dl.border dd,
    dl.inline dd {
        padding-inline-start: 5rem;
        margin-block-end: 1.25rem;
    }
    dl.border dd:last-of-type,
    dl.inline dd:last-of-type {
        margin-block-end: 0;
    }

    /* フォーム */
    .form-inline input {
        inline-size: 40%;
    }
    .form-block dl {
        flex-direction: column;
    }
    .form-block dl.inline dt,
    .form-block dl.inline dd {
        inline-size: 100%;
    }

    /* 装飾 */
    .column.column-sp-1 {
        grid-template-columns: 1fr;
    }
    .column.column-sp-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    .column.column-sp-3 {
        grid-template-columns: repeat(3, 1fr);
    }

    /* インデックス */
    #INDEX > main {
        padding: 4rem;
    }
}
/* ----- ▲ SPレイアウト　ここまで ▲ ----- */