@charset "UTF-8";
@import url('https://fonts.googleapis.com/css2?family=Kiwi+Maru:wght@300;400;500&family=Klee+One&family=Quicksand:wght@300..700&family=Shippori+Mincho:wght@400&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Zen+Maru+Gothic&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Quicksand:wght@300..700&display=swap');


html {
    scroll-behavior: smooth;
    font-size: 16px;
}

* {
    box-sizing: border-box;
    /* デバッグ用途 */
    /* border: red 1px solid; */
}

@view-transition {
    navigation: auto;
}

::view-transition-group(root) {
    background: #22222288;
}

::view-transition-old(root),
::view-transition-new(root) {
    animation-duration: 0.5s;
    animation-timing-function: ease;
    animation-fill-mode: both;
}

::view-transition-old(root) {
    animation-name: content-fade-out;
}

::view-transition-new(root) {
    animation-name: content-fade-in;
}

@keyframes content-fade-out {
    to {
        opacity: 0;
        filter: blur(4px);
    }
}

@keyframes content-fade-in {
    from {
        opacity: 0;
        filter: blur(4px);
    }

    to {
        opacity: 1;
        filter: blur(0);
    }
}

body {
    --title-font: "Shippori Mincho", sans-serif;
    --text-font: "Quicksand", "Zen Maru Gothic", sans-serif;
    --nav-font: "Quicksand", "Zen Maru Gothic", sans-serif;
    --os-font: "Segoe UI", SegoeUI, "Yu Gothic UI", "Meiryo UI", "Helvetica Neue", Helvetica, Arial, sans-serif;

    --body_background: #fffafa;
    --nav_background: #b24661;
    --very-dark-gray: #333;
    --light-color: #000000;
    --dark-color: #ffffff;
    --light-background-color: #fffafa;
    --dark-background-color: #161116;
    --dark-accent-color: #cc78ca;
    --dark-accent-color2: #a555a5;
    --light-accent-color: #b24661;
    --light-accent-color2: #df2c52;
    --button-hover-color: #a34059;

    /*ここからライトモード設定*/
    background-color: var(--light-background-color);
    background: var(--light-background-color);
    --background-color: var(--light-background-color);
    color: var(--light-color);
    --color: var(--light-color);
    --accent-color: var(--light-accent-color);
    --accent-color2: var(--light-accent-color2);
    width: 100%;
    font-size: 100%;
    margin-right: auto;
    margin-left: auto;
    margin-top: auto;
    margin-bottom: auto;
    overflow-y: scroll;
}

html:has(body.light-mode) {
    background-color: var(--light-background-color);
    background: var(--light-background-color);
}

body.light-mode ::view-transition-group(root) {
    background: var(--light-background-color);
}

@keyframes force-ready {
    to {
        filter: none;
    }
}

body {
    margin: 0;
    padding: 0;
    color: black;
    background: #ffffff;
    font-family: var(--text-font);
    font-weight: 400;
    font-style: normal;
    /* bodyにtransformをつけると子要素にfixedが効かなくなる */
    /* transform: translate3d(0, 0, -1px); */
    font-size: 1em;
    transition: all 0.3s ease, filter 0.5s ease;
    filter: grayscale(100%) blur(15px);
    /* テーマ不明ならグレースケールにして、チラツキを軽減 */
    animation: force-ready 1.5s linear 5s forwards;
    /* 5秒経過で強制的にfilter解除 */
}

#backToTop {
    position: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    bottom: 13vh;
    right: 1.5vw;
    width: 3.6rem;
    height: 3.6rem;
    border-radius: 2rem;
    corner-shape: superellipse(1.15);
    color: #ddd;
    text-decoration: none;
    text-shadow: 0.1em 0.1em 0.15em rgba(34, 34, 34, 0.8);
    transition: 0.5s all;
    border: #b7849525 .15rem solid;
    background-color: #d74f71;
    text-shadow: 0.1em 0.1em 0.15em #13040b30;
    color: #fff3f7ee;
    box-shadow: rgba(93, 50, 64, 0.2) 0px 0.8vw 1.4vw -4.3vw inset, rgba(0, 0, 0, 0.3) 0px 0.5vw 0.9vw -0.5vw inset;
    transition: all 0.5s ease;
    z-index: 1000;
}

#backToTop:hover {
    border: #00000000 .1em solid;
    background: transparent;
    border: #fffcfd25 .15rem solid;
    background-color: #fff8facc;
    text-shadow: 0.1em 0.1em 0.15em #46132a30;
    color: #872848ee;
    box-shadow: rgba(93, 50, 64, 0.2) 0px 0.8vw 1.4vw -4.3vw inset, rgba(0, 0, 0, 0.3) 0px 0.5vw 0.9vw -0.5vw inset;
    transform: scale(1.03);
}

#backToTop span {
    font-size: 2rem;
}

body.dark-mode #backToTop {
    width: 3.6rem;
    height: 3.6rem;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 2rem;
    corner-shape: superellipse(1.15);
    color: #ddd;
    text-decoration: none;
    text-shadow: 0.1em 0.1em 0.15em rgba(34, 34, 34, 0.8);
    transition: 0.5s all;
    border: #b7849525 .15rem solid;
    background-color: #c5348dcc;
    text-shadow: 0.1em 0.1em 0.15em #13040b30;
    color: #fff3f7ee;
    box-shadow: rgba(93, 50, 64, 0.2) 0px 0.8vw 1.4vw -4.3vw inset, rgba(0, 0, 0, 0.3) 0px 0.5vw 0.9vw -0.5vw inset;
    transition: 1s all;
}

body.dark-mode #backToTop:hover {
    border: #00000000 .1em solid;
    background: transparent;
    border: #fffcfd25 .15rem solid;
    background-color: #fff8facc;
    text-shadow: 0.1em 0.1em 0.15em #46132a30;
    color: #872848ee;
    box-shadow: rgba(93, 50, 64, 0.2) 0px 0.8vw 1.4vw -4.3vw inset, rgba(0, 0, 0, 0.3) 0px 0.5vw 0.9vw -0.5vw inset;
    transform: scale(1.03);
}

.moving_backToTop {
    scale: 2;
    filter: blur(5px);
    opacity: 0.2;
}

body.ready {
    filter: none;
    /* グレースケール解除 */
}

.login_user {
    font-size: 80%;
    font-weight: 500;
    position: fixed;
    top: 0;
    background-color: white;
    border: #b24661 solid 0.2em;
    border-left: none;
    border-top: none;
    z-index: 99;
    border-bottom-right-radius: 1.2rem;
    padding: .4rem;
    corner-shape: superellipse(1.2);
}

.login_user__username {
    margin: .2rem;
    margin-bottom: .5rem;
}

.login_user__username span {
    font-size: 1rem;
}

.beta_status {
    font-weight: 600;
    position: fixed;
    top: 0;
    right: 0;
    padding: 0.2em;
    border-radius: 0.2em;
    font-size: 2em;
    opacity: 0.55;
    background-color: #201b20 !important;
    color: #f1eff1 !important;
    -webkit-user-select: none;
    user-select: none;
    z-index: 10000;
}

.popup {
    position: fixed;
    display: flex;
    transform: translateX(-50%);
    top: -10%;
    left: 50%;
    max-width: 90%;
    width: 850px;
    box-shadow: 4px 6px 15px #2b2b2bb7;
    border-radius: 30px;
    padding: 20px;
    z-index: 100;
    background-color: #1389ff;
    color: white;
    font-size: 1em;
    align-items: center;
    justify-content: center;
    transform: translateX(-50%);
}

.popup .material-symbols-rounded {
    font-size: 1.5em;
    margin-right: 0.5em;
}

.popup .content {
    text-align: center;
    padding: 0.5em;
    margin: 0;
    display: inline-block;
}

.popup.show {
    animation: 1s ease-out forwards popup-in;
    animation-delay: 0.2s;
}

.popup.hide {
    animation: 1s ease-in forwards popup-out;
}

@keyframes popup-in {
    0% {
        top: calc(10vh - 150px);
        opacity: 0;
    }

    70% {
        top: calc(10vh + 10px);
        opacity: 0.6;
    }

    100% {
        top: 10vh;
        opacity: 1;
    }
}

@keyframes popup-out {
    0% {
        top: 10vh;
        opacity: 1;
    }

    30% {
        top: calc(10vh + 10px);
        opacity: 0.8;
    }

    100% {
        top: calc(10vh - 150px);
        opacity: 0;
    }
}

.festival_ended {
    position: fixed;
    display: flex;
    top: 0%;
    left: 50%;
    max-width: 70%;
    width: 550px;
    box-shadow: 4px 6px 15px #2b2b2bb7;
    border-radius: 3em;
    padding: 0.8em 1em;
    z-index: 100;
    background-color: #1389ff;
    color: white;
    font-size: 100%;
    align-items: center;
    justify-content: center;
    transform: translateX(-50%);
}

body.dark-mode .festival_ended {
    background-color: #342f34;
    box-shadow: 4px 6px 15px #808080b7;
}

.ya_link {
    position: fixed;
    top: 5em;
    left: 0;
    opacity: 0.6;
    z-index: 101;
}

article {
    width: 80vw;
    padding: 1vh 2vw 3vh;
    margin: 2vh auto;
    background-color: #ffecf0;
    box-shadow: rgba(99, 99, 99, 0.322) 0px 4px 16px 0px;
    border-radius: 2.5rem;
    corner-shape: superellipse(1.3);
    transition: all 0.3s ease, filter 0.5s ease;
}

article>div {
    padding: 1em;
}

section {
    width: 80%;
    max-width: 1000px;
    border-radius: 1.5em;
}

.common {
    padding: 1em;
}

section .heading_style1 {
    position: relative;
    font-size: 2.5em;
    text-align: center;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 2.5em;
}

section .heading_style1>span {
    position: relative;
    z-index: 10;
    color: #df2c52;
    margin: 1em;
    display: inline-block;
    border-bottom: solid 0.1em var(--accent-color2);
}

section .heading_style1>span::first-letter {
    font-size: 145%;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--title-font);
}

/* 全体に影響を及ぼし得るため削除 */
/* p {
    margin: 0 3em 0 0;
    transition: 0.5s;
} */

.wrapper p {
    margin: 1em 0 1em 0;
}

span.body-text {
    padding: 0.1em;
}

/* 写真保存の試行妨害 */
img {
    pointer-events: none;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -webkit-user-select: none;
    user-select: none;
}

header.function {
    padding: 2vh 5vw;
    border: solid 3px #ffabbd;
    border-radius: 8px;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    min-height: 30vh;
    z-index: 0;
}

.title h1 {
    position: absolute;
    font-size: 2.5vw;
    left: 2vw;
    z-index: 5;
}

header img#header_bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}


header {
    width: 100%;
}

header.function h1 {
    background-color: rgba(255, 255, 255, 0.9);
    padding: 1em;
    box-shadow: 0.3em 0.3em 0px rgba(184, 184, 184, 0.6);
    min-width: 40vw;
    text-align: center;
    margin: 2em 0;
}

header.introduction {
    background-size: cover;
    z-index: 0;
    padding: 2vh 10vw;
    width: calc(100% - 1.6rem);
    margin: 0.8rem;
    justify-content: flex-start;
    background-position: 0 50%;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    min-height: 20vh;
    border-radius: 1rem;
    corner-shape: superellipse(1.2);
}

header.introduction h1 {
    width: max-content;
    text-align: left;
    padding: .8rem 4rem;
    margin: 2em auto;
    color: white;
    text-shadow: 2px 2px 2px black;
    font-size: 3em;
    box-shadow: none;
    font-weight: normal;
    border: none;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 1rem;
    corner-shape: superellipse(1.2);
}

nav {
    font-family: var(--nav-font);
    font-weight: 500;
    position: fixed;
    bottom: 1vh;
    z-index: 99;
    width: 98vw;
    padding: .8rem 1vw;
    font-size: 1.2rem;
    margin: 0 1vw;
    box-shadow: 0 -0.2em 1.5vh rgba(0, 0, 0, 0.25);
    border-radius: 5rem;
    corner-shape: superellipse(1.1);
    background: linear-gradient(60deg, rgba(178, 70, 97, 0.9), rgba(178, 70, 97, 0.9), rgba(178, 70, 97, 0.9));
    -webkit-backdrop-filter: blur(10px) contrast(1.5);
    backdrop-filter: blur(10px) contrast(1.5);
    box-shadow: inset 0 0 12px rgba(255, 233, 255, 0.7);
    transition: all 1s ease, filter 0.5s ease;
}

body.dark-mode nav {
    background: linear-gradient(60deg, #4b354388, #4b354388);
    backdrop-filter: blur(15px) contrast(1.3);
    box-shadow: inset 0 0 20px #cb9eb233;
}

nav>div {
    display: flex;
    justify-content: space-evenly;
    flex-wrap: wrap;
}

nav>div a {
    min-width: 12%;
    font-size: min(2.1vw, 1.5rem);
    line-height: min(2.8vw, 2.2rem);
    font-weight: 500;
    display: flex;
    justify-content: center;
    align-items: center;
    column-gap: 0.5vw;
    border-radius: 2rem;
    corner-shape: superellipse(1.15);
    padding: 0.25em 3vw;
    color: #ddd;
    text-decoration: none;
    text-shadow: 0.1em 0.1em 0.15em rgba(34, 34, 34, 0.8);
    transition: 0.5s all;
    border: #00000000 .1em solid;
}

nav>div a span {
    color: #ddd !important;
    font-size: 1.7rem;
}

nav>div a.active {
    font-weight: 500;
    background: transparent;
    border: #fffcfd25 .15rem solid;
    background-color: #fff8facc;
    text-shadow: 0.1em 0.1em 0.15em #46132a30;
    color: #872848ee;
    box-shadow: rgba(93, 50, 64, 0.2) 0px 0.8vw 1.4vw -4.3vw inset, rgba(0, 0, 0, 0.3) 0px 0.5vw 0.9vw -0.5vw inset;
    transform: scale(1.03);
    transition: 1s all;
}

body.dark-mode nav>div a.active {
    border: #b7849525 .15rem solid;
    background-color: #a23377cc;
    text-shadow: 0.1em 0.1em 0.15em #13040b30;
    color: #fff3f7ee;
    box-shadow: rgba(93, 50, 64, 0.2) 0px 0.8vw 1.4vw -4.3vw inset, rgba(0, 0, 0, 0.3) 0px 0.5vw 0.9vw -0.5vw inset;
}

nav>div a.active span {
    color: #872848ee !important;
    font-size: 1.6rem;
}

body.dark-mode nav>div a.active span {
    color: #fff3f7ee !important;
}

nav>div a:not(.active) {
    position: relative;
}

nav>div a:not(.active):hover {
    border: transparent solid .15rem;
    background-color: #fff8faaa;
    color: #9b3c5cee;
    text-shadow: none;
    transform: scale(1.03);
}

body.dark-mode nav>div a:not(.active):hover {
    border: transparent solid .15rem;
    background-color: #983874aa;
}

nav>div a:not(.active):hover span {
    color: #872848ee !important;
}

body.dark-mode nav>div a:not(.active):hover span {
    color: #fff3f7ee !important;
}

nav>div a:not(.active):hover::after {
    box-shadow: 0.1rem 0.1rem 0.4rem #cccccc00;
}

@keyframes blinking {
    0% {
        opacity: 0.3;
    }

    100% {
        opacity: 1;
    }
}

.nav_tip {
    width: 18vw;
    border: 1px solid #ffc0cb;
    background-color: #ffc0cb;
    border-radius: 1vh;
    padding: 0.5em;
    text-align: center;
    font-size: 100%;
    animation: blinking 0.6s ease-in-out infinite alternate;
    display: none;
}

.nav_tip::before {
    font-size: 120%;
    content: "⇓";
    font-weight: bolder;
}

/* マテリアルアイコン */
.material-symbols-rounded {
    display: inline-flex;
    vertical-align: text-bottom;
    align-items: center;
    margin: 0;
    padding: 0;
    -webkit-user-select: none;
    user-select: none;
    font-variation-settings: "FILL" 1, "wght" 500, "GRAD" 0, "opsz" 24;
}

/* JSによる要素非表示用 */
.hidden {
    /* そのままだと上書きできない場合があるため!importantを利用 */
    display: none !important;
}

.hidden-animation {
    animation: hidden-animation 0.5s forwards;
}

@keyframes hidden-animation {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
        display: none;
    }
}

footer {
    margin: 2em 0 0;
    border-radius: 1em 1em 0 0;
    text-align: center;
    padding: calc(1vh + 2.3em + 3em) 4vw;
    background: linear-gradient(170deg, #fad8dd 0%, #f8c8d1 80%, #e66a81 100%);
    transition: all 0.5s ease;
}

footer .footer_image {
    transition: 1s ease;
    width: 50%;
    max-width: 600px;
}

footer .manager {
    padding: 3vh 1vh;
    font-size: 1.1em;
    font-weight: bold;
}

footer .copyright {
    display: block;
    font-style: italic;
    padding: 0.5em 0;
}

.inline-icon {
    display: inline-flex;
    align-items: center;
    gap: 0.3em;
}

button {
    font-family: inherit;
}

.button_style1,
.button_style2 {
    width: max-content;
    align-items: center;
    justify-content: center;
    gap: 0.5em;
    cursor: pointer;
}

/* コントロール用の枠線つきのシンプルボタン */
.button_style1 {
    display: flex;
    /* ブロック要素。基本中央寄せだが style="margin: 0;" で回避可能。 */
    font-family: var(--text-font);
    font-weight: 500;
    margin: 0.5em auto;
    padding: 0.8em 2em;
    font-size: 1rem;
    transition: all 0.5s ease;
    color: var(--accent-color);
    background-color: #00000000;
    border-radius: 50vw;
    corner-shape: superellipse(1.1);
    border: var(--accent-color) solid 0.15em;
    transition: 0.7s;
    transform: scale(1);
    transition: all 0.3s ease;
}

/* 色が少し薄い、普通のボタン */
.button_style2 {
    display: inline-flex;
    /* インライン要素。必要に応じて flex と使い分けること。 */
    margin: 0.5em;
    font-family: var(--text-font);
    font-weight: 500;
    padding: 0.5em 0.8em;
    border-radius: 1em;
    font-size: 0.9em;
    transition: 0.7s;
    text-align: center;
    border: none;
    background: linear-gradient(60deg, #ffb8c8, #faadbf);
    box-shadow: #94919467 0px 4px 7px 0px;
    color: black;
    min-width: 10em;
}

.button_style1:hover {
    transform: scale(1.05);
    transition: transform 0.5s ease, background-color 0.5s ease, color 0.5s ease;
    background-color: var(--button-hover-color);
    border: var(--button-hover-color) solid 0.15em;
    color: #ffffff;
}

.button_style2:hover {
    transform: scale(1.03);
    box-shadow: 7px 7px 10px #22233344;
}

a.link_style3 {
    border: 0.2em solid #9f72ff;
    font-size: 1em;
    display: inline-flex;
    justify-content: center;
    text-decoration: none;
    color: #5100ff;
    transition: 0.4s all;
    padding: 0.75em 1em;
    display: inline-flex;
    align-items: center;
}

a.link_style3:hover {
    color: white;
    background-color: #9f72ff;
}

a.link_style3::after {
    font-family: "Material Symbols Rounded";
    content: "\f1e1";
    font-size: 1.5em;
    -webkit-user-select: none;
    user-select: none;
}

/* link_style4 は新規タブで開く用のアイコン付き */
a.link_style4,
a.link_style5 {
    color: #0026ff;
    font-weight: 500;
    margin: 0 0.2em;
    transition: 0.3s color;
    -webkit-user-select: none;
    user-select: none;
}

/* デフォルトに近いリンク */
a.link_style5 {
    color: #0026ff;
    text-decoration: underline;
    margin: 0 0.2em;
    transition: 0.3s color;
}

a.link_style4:hover,
a.link_style5:hover {
    color: #0099ff;
}

a.link_style4::after {
    font-family: "Material Symbols Rounded";
    content: "\e89e";
    font-size: 0.8em;
    margin: 0.1em;
    -webkit-user-select: none;
    user-select: none;
}

input {
    font-family: var(--text-font);
    border-radius: 0.5em;
    font-family: inherit;
    transition: 0.3s;
    padding: 0.5em 1em;
    outline: none;
    border: 0.2em solid #dbdbdb;
}

input:focus {
    outline: 0;
    border: 0.2em solid #ff747b;
}

a {
    color: black;
    text-decoration: none;
    transition: 0.5s ease;
}

/* ListView間でのデザイン共通化用 */
div.spots {
    display: flex;
    justify-content: space-evenly;
    padding: 0.4em;
    font-weight: 500;
    font-size: 1.1em;
    flex-wrap: wrap;
    width: 95vw;
    max-width: 1400px;
    margin: 0 auto;
    border-radius: .6rem;
    corner-shape: superellipse(1.2);
    background-color: #ffd3df88;
}

body.dark-mode div.spots {
    background-color: #46383faa;
}

div.spots a {
    display: inline-block;
    position: relative;
    padding: 0.5em;
    margin: 0 0.5em;
    min-width: 15%;
    text-align: center;
    font-size: 1.2rem;
    line-height: 1.6rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--very-dark-gray);
    transition: 0.4s all;
    color: #603546ee;
    text-shadow: 0.1em 0.1em 0.15em #22222250;
}

body.dark-mode div.spots a {
    color: #ccc;
}

div.spots a.active {
    font-weight: 600;
    text-shadow: none;
    color: #994054;
    border-bottom: #994054 solid .18rem;
    transform: scale(1.03);
    /* 左下から右上 */
}

body.dark-mode div.spots a.active {
    color: #e09ebe;
    border-bottom: #e09ebe solid .18rem;
}

div.spots a:not(.active):hover {
    color: #994054;
    text-shadow: none;
    transform: scale(1.03);
}

body.dark-mode div.spots a:not(.active):hover {
    color: #c4588c;
}

div.spots a:not(.active)::after {
    position: absolute;
    transition: all 0.4s;
    content: "";
    bottom: 0.15em;
    left: 50%;
    width: 0;
    height: 0.15rem;
    background-color: #444;
    box-shadow: 0.1rem 0.1rem 0.4rem #cccccc00;
}

div.guide .list_answer {
    color: var(--very-dark-gray);
    max-height: 0;
    overflow: hidden;
    padding-left: 0.8em;
    border-left: 2px solid #ff5378;
    opacity: 0;
    /* 初期状態で透明 */
    transition: max-height 0.5s ease, opacity 0.4s ease;
    margin-bottom: 1.2em;
    margin: 0 5em 0 5em;
}

div.guide .list_answer .list_answer {
    padding-left: 0.1em;
    border-left: none;
}

.list_answer p {
    margin: 0 0 0 1em;
}

div.guide .list_question {
    margin: 0 0 0 4em;
    display: block;
    cursor: pointer;
    padding: 0.5em 0;
}

div.guide .material-symbols-rounded {
    transition: rotate 0.4s;
}

div.guide .icon_name::before {
    content: "keyboard_arrow_down";
}

/* チェックボックスの表示を隠す */
div.guide input[type="checkbox"] {
    display: none;
}

/* チェックボックスがチェックされている時、同じ .faq-item 内の .list_answer のみを表示 */
div.guide input[type="checkbox"]:checked~.list_answer {
    max-height: 1000px;
    opacity: 1;
    /* 表示時に透明度を100%に設定 */
}

div.guide input[type="checkbox"]:checked~.list_question>.material-symbols-rounded {
    rotate: -180deg;
}

#footer-items {
    display: flex;
    row-gap: 1em;
    width: 80%;
    margin: 2em auto;
    flex-wrap: wrap;
    column-gap: 2em;
    justify-content: center;
}

#footer-items>* {
    flex-grow: 1;
    max-width: 400px;
    flex-basis: 400px;
}

#footer-items .button_style2 {
    margin: 0;
    padding: 0.8em 0.6em;
    box-shadow: #94919467 0px 4px 7px 0px;
}

#footer-items a>button {
    max-width: 400px;
    width: 100%;
}

.share_with_me {
    padding: 5px;
}

.share_with_me * {
    margin: 0 10px;
}

.share_with_me {
    padding: 5px;
}

.share_with_me * {
    margin: 0 10px;
}

a.rakunan-h {
    text-decoration: underline;
}

#modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    z-index: 999;
    /* モーダル本体より1つ下 */
}

#modal {
    display: none;
    position: fixed;
    flex-direction: column;
    width: 50vw;
    height: 60vh;
    bottom: 0;
    left: 50vw;
    transform: translateX(-50%);
    background: linear-gradient(30deg, rgba(255, 206, 216, 0.7), rgba(255, 213, 222, 0.8), rgba(255, 225, 231, 0.8));
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    box-shadow: 0 -0.2em 1.5vh rgba(0, 0, 0, 0.25);
    box-shadow: inset 0 0 12px rgba(255, 233, 255, 0.7);
    z-index: 1000;
    /* 上の部分 */
    border-radius: 1vw 1vw 0 0;
    text-align: center;
}

.open_modal {
    animation: open_modal 0.35s ease;
    /* ここの秒数はbase.jsの時間と同期すること */
}

@keyframes open_modal {
    from {
        opacity: 0.4;
        filter: blur(3px);
        transform: translateX(-50%) translateY(80%) scale(0.6, 1) skew(10deg, 10deg);
    }

    to {
        opacity: 1;
        filter: blur(0);
        transform: translateX(-50%) translateY(0%);
        /* translateX(-50%)がないと中央に表示されない */
        scale: 1;
    }
}

.close_modal {
    animation: close_modal 0.4s ease;
    /* ここも秒数はbase.jsの時間と同期すること */
    animation-fill-mode: forwards;
}

@keyframes close_modal {
    from {
        opacity: 1;
        filter: none;
        transform: translateX(-50%) translateY(0%);
    }

    to {
        opacity: 0.2;
        filter: blur(3px);
        transform: translateX(-50%) translateY(90%) scale(0.6, 1) skew(-20deg, -20deg);
    }
}

button#close {
    font-size: 95%;
    text-align: center;
    font-weight: bolder;
    border-radius: 1em;
    cursor: pointer;
    width: 80%;
    max-width: 300px;
    margin: 0.5em auto;
}

#modal #qrcode-img {
    display: block;
    height: 50%;
    margin: 5px auto;
    padding: 5px;
    border: #444 4px solid;
    border-radius: 20px;
}

#modal h2 {
    position: relative;
    font-size: 1.4em;
    margin: 1em 0;
    text-align: center;
    color: #fff;
}

#modal h2 .material-symbols-rounded {
    font-size: 100%;
    display: inline-block;
}

#modal h2 span {
    position: relative;
    z-index: 10;
    background-color: #cc5a73;
    padding: 0.5em;
}

#modal h2::before {
    position: absolute;
    content: "";
    display: block;
    top: 50%;
    width: 100%;
    height: 0.2rem;
    border-top: 0.2em double #cc5a73;
    z-index: 5;
}

#this_url {
    width: 90%;
    text-align: center;
    margin: 10px auto;
    overflow-wrap: break-word;
}

#qrcode {
    width: 20em;
    background-color: #ffeded;
    margin: 5px auto;
    padding: 5px;
    border: #444 4px solid;
    border-radius: 20px;
}

.for_editors a {
    position: fixed;
    bottom: 15em;
    right: 2em;
}

.banner-track {
    display: flex;
    justify-content: space-around;
    width: 100%;
    padding: 0 2rem;
    height: max-content;
    overflow-x: auto;
    gap: 4rem;
}

a.banner-unit {
    display: block;
    flex-shrink: 0;
    width: 50vw;
    height: auto;
    aspect-ratio: 4/ 1;
    background-color: #777777;
    border-radius: 1.2rem;
    corner-shape: superellipse(1.2);
}


/* ダークモード */
body.dark-mode {
    --body_background: #110d11;
    --nav_background: #a555a5;
    --very-dark-gray: #333;
    background-color: var(--dark-background-color);
    background: var(--dark-background-color);
    --background-color: var(--dark-background-color);
    color: var(--dark-color);
    --color: var(--dark-color);
    --accent-color: var(--dark-accent-color);
    --accent-color2: var(--dark-accent-color2);
    --button-color: #f66ec2ee;
    --button-hover-color: #d34ab5;
}

html:has(body.dark-mode) {
    background-color: var(--dark-background-color);
    background: var(--dark-background-color);
}

body.dark-mode ::view-transition-group(root) {
    background: var(--dark-background-color);
}

body.no-animation * {
    transition: none !important;
}

body.dark-mode {
    color: #eee;
    background: linear-gradient(110deg, #1e171c 0%, #3f2c3a 90%, #4c2c43 100%);
}

body.dark-mode .login_user {
    background-color: #222;
    border: #a555a5 solid 0.2em;
    border-left: none;
    border-top: none;
}

body.dark-mode .login_user__username {
    color: #ccc;
}

body.dark-mode section .heading_style1>span {
    color: #ddd;
}

body.dark-mode header.function {
    border: solid 3px #9e349e;
    filter: saturate(50%);
}

body.dark-mode header.function h1 {
    background-color: #303030;
    color: #ddd;
    box-shadow: 0.3em 0.3em 0px #30303099;
}

body.dark-mode header.index .layer2 .bgc_img {
    background-image: repeating-radial-gradient(circle at 7vw 8svh, transparent 0, #2c112c 20px),
        repeating-linear-gradient(90deg, #461f46, #6b306b, #837183);
}

body.dark-mode .title h1 {
    color: #ffd9ef;
}

body.dark-mode .title .header-text {
    color: #facee7;
}

body.dark-mode .title .TH {
    color: #fce7f3;
    text-shadow: 0.1em 0.1em 2px #303030;
}

body.dark-mode .title .h_date {
    color: #fce7f3;
}

body.dark-mode .popup {
    background-color: #912191;
    box-shadow: 4px 6px 15px #808080b7;
}

body.dark-mode .popup .content {
    background-color: #912191;
}

body.dark-mode article {
    background-color: #201920;
    box-shadow: #94919467 0px 4px 10px 0px;
}

body.dark-mode header.introduction h1 {
    background-color: rgba(30, 30, 30, 0.8);
    box-shadow: 0.3em 0.3em 0px rgba(84, 84, 84, 0.6);
}


body.dark-mode footer {
    background: linear-gradient(130deg, #1a151a 0%, #1a151a 70%, #422442 100%);
}

/* コントロール用の濃い色のボタン */
body.dark-mode .button_style1 {
    transition: transform 0.5s ease, background-color 0.5s ease, color 0.5s ease;
    background-color: #00000000;
    color: var(--button-color);
    border: 2px solid var(--button-color);
}

/* 色が少し薄い、普通のボタン */
body.dark-mode .button_style2 {
    background: linear-gradient(60deg, #af5aaf, #b848b8);
    color: #201920;
    box-shadow: #f0e2f067 0px 3px 7px 0px;
}

body.dark-mode .button_style1:hover {
    transform: scale(1.05);
    background-color: var(--button-hover-color);
    border: 2px solid var(--button-hover-color);
    color: #ffffff;
}

body.dark-mode .button_style2:hover {
    box-shadow: 5px 6px 10px #99889954;
}

body.dark-mode input {
    background-color: #412e41;
    border: 0.2em solid #5c585c;
    color: #eee;
}

body.dark-mode input:focus {
    border: 0.2em solid #cf70cf;
}

body.dark-mode a {
    color: #ccc;
}

/* form用tableのスタイル */
body.dark-mode table.form td,
body.dark-mode table.form th {
    border: 0.15em solid #494049;
    background-color: #3b3b3b;
    color: #ddd;
}

body.dark-mode table.form th {
    border: 0.15em solid white;
    background-color: #494049;
    color: #ddd;
}

body.dark-mode table.form input,
body.dark-mode table.form textarea,
body.dark-mode table.form select {
    border: 0.2em solid #494049;
}

body.dark-mode table.form input,
body.dark-mode table.form select {
    border-bottom: 0.2em solid #494049;
    color: #ddd;
}

body.dark-mode table.form input:focus,
body.dark-mode table.form textarea:focus,
body.dark-mode table.form select:focus {
    border: 0.2em solid #a555a5;
}

body.dark-mode table.form input:focus,
body.dark-mode table.form select:focus {
    border-bottom: 0.2em solid #a555a5;
}

body.dark-mode table.form input {
    background-color: #494049;
}

body.dark-mode table.form textarea {
    width: 100%;
    resize: vertical;
    background-color: #494049;
}

body.dark-mode table.form ul.errorlist {
    color: white;
    background-color: #ff3c8a;
}

body.dark-mode div.guide .list_answer {
    color: #ddd;
    border-left: 2px solid #a555a5;
}

body.dark-mode div.guide .list_answer .list_answer {
    padding: 0.1em;
    border-left: none;
}

body.dark-mode #footer-items button {
    box-shadow: #f0e2f067 0px 3px 7px 0px;
}

body.dark-mode .footer_image {
    filter: invert(90%) hue-rotate(210deg);
}

body.dark-mode #modal {
    background-color: #201920;
    box-shadow: 0 -0.2em 1.5vh rgba(0, 0, 0, 0.25);
    background: linear-gradient(30deg, rgba(65, 48, 65, 0.4), rgba(65, 48, 65, 0.7), rgba(65, 48, 65, 0.86));
    box-shadow: inset 0 0 12px rgba(190, 138, 190, 0.4);
}

body.dark-mode #modal h2 {
    color: #ddd;
}

body.dark-mode #modal h2 span {
    background-color: #a555a5;
}

body.dark-mode #modal h2::before {
    border-top: 0.2em double #a555a5;
}

body.dark-mode #modal #qrcode-img,
body.dark-mode #qrcode {
    filter: invert(84%) hue-rotate(210deg);
}


@media only screen and (max-aspect-ratio: 1/1) {
    header .title {
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: auto;
        object-fit: contain;
        z-index: 5;
    }

    header img#header_bg {
        position: absolute;
        bottom: -10svh;
        left: 0;
        /* 左端からの位置 */
        margin: 0 auto;
        width: 100%;
        height: auto;
        object-fit: cover;
        z-index: -1;
    }
}


@media only screen and (max-width: 1300px) {
    html {
        font-size: 12px;
    }
}


@media only screen and (max-width: 1100px) {
    header.function {
        min-height: 15vh;
    }

    header.introduction h1 {
        font-size: 2.2em;
    }

    #modal {
        bottom: 0;
        left: 50vw;
        width: 60vw;
        height: 55vh;
    }

    #modal #qrcode-img {
        height: 50%;
    }

    footer {
        padding: calc(5vh + 2.3em + 3em) 4vw;
    }
}

@media only screen and (max-width: 1060px) {
    header img#header_bg {
        position: absolute;
        bottom: -10svh;
        right: 0;
        width: 100%;
        height: auto;
        object-fit: cover;
        object-position: bottom right;
    }

    header .layer2 .bgc_img {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-image: repeating-radial-gradient(circle at 7vw 8svh, transparent 0, #fac7d8 20px),
            repeating-linear-gradient(180deg, #fae8ee, #ffe0e6, #f596aa, #f7839c, #f7839c);
    }
}

@media only screen and (max-width: 820px) {
    header img#header_bg {
        position: absolute;
        bottom: -10svh;
        left: -10vw;
        /* 左端からの位置 */
        margin: 0 auto;
        width: 98svh;
        height: auto;
        object-fit: cover;
        z-index: -1;
    }

    .title h1 {
        position: absolute;
        font-size: 5vw;
        font-family: var(--title-font);
        font-weight: 800;
        left: 2vw;
        z-index: 5;
    }

}

@media only screen and (max-width: 770px) {
    all {
        font-size: 90%;
    }

    p {
        margin: 0 1em 0 1em;
    }

    nav {
        border-radius: 1.5em;
        bottom: 2vh;
    }

    nav>div a {
        column-gap: 0.1em;
        min-width: 17%;
        border-radius: 1em;
        flex-direction: column;
        padding: 0.5em 0.6em;
    }

    .material-symbols-rounded {
        font-variation-settings: "FILL" 1, "wght" 500, "GRAD" 0, "opsz" 20;
    }

    header.function {
        padding: 1vh 2vw;
        min-height: 18vh;
    }

    header.function h1 {
        font-size: 2em;
        margin: 1em auto;
        padding: 0.7em;
    }

    .button_style1,
    .button_style2 {
        transform: scale(0.9);
        font-size: 100%;
    }

    .button_style1:hover,
    .button_style2:hover {
        transform: scale(0.93);
    }

    nav>div a span:not(.material-symbols-rounded) {
        font-size: 2.5vw;
    }

    nav .material-symbols-rounded {
        font-variation-settings: "FILL" 1, "wght" 500, "GRAD" 0, "opsz" 24;
    }

    header.introduction h1 {
        padding: 1em;
        font-size: 1.8em;
    }

    article {
        border-width: 0.4em;
        width: 90%;
        padding: 1em;
    }

    section {
        width: 90%;
    }

    section .heading_style1 {
        font-size: 1.9em;
        margin: 1rem 0;
    }

    article>div {
        padding: 0.5em;
    }

    div.guide {
        font-size: 90%;
    }

    div.guide .list_question {
        margin: 0 0 0 2em;
    }

    div.guide .list_answer {
        margin: 0 2em 0 2em;
    }

    div.spots {
        column-gap: 1em;
    }

    div.spots a {
        font-size: 1em;
        min-width: 24%;
        margin: 0;
    }

    #modal {
        bottom: 0;
        left: 50vw;
        width: 90vw;
        height: 50vh;
    }

    #modal #qrcode-img {
        height: 50%;
    }

    #footer-items .button_style2 {
        max-width: 30vw;
    }
}

@media only screen and (max-width: 500px) {
    nav>div a {
        column-gap: 0.1em;
        min-width: 17%;
        border-radius: 1em;
        flex-direction: column;
        padding: 0.5em 0.6em;
    }

    div.spots a {
        font-size: 1em;
        min-width: 33%;
        margin: 0;
    }

    #footer-items .button_style2 {
        max-width: 80vw;
    }

    #modal {
        bottom: 0;
        left: 50vw;
        width: 100vw;
        height: 50vh;
    }

    #modal #qrcode-img {
        height: 50%;
    }
}

@media only screen and (max-width: 450px) {
    .title .header-text {
        position: absolute;
        width: 98vw;
        text-align: center;
        top: 12svh;
        left: 0;
        right: 0;
        font-size: 5.5vw;
        font-weight: 500;
        border-radius: 1em;
        background-color: #ffffff66;
        z-index: 5;
    }

    section .heading_style1>span {
        margin: 0.4em;
    }
}

@media all and (display-mode: standalone) {

    /* PWAの場合 */
    span.pwa::after {
        content: "PWA active";
    }
}

/* デバッグ */
pre#info {
    text-align: start;
    font-size: 80%;
}