@charset "utf-8";
/* CSS Document */

/*root設定*/

*:root {
    /*幅1200pxの時に1文字10pxとなる値 最小値10px*/
    font-size: min(0.8333vw, 15px);
    /* font-size: 10px; */
    font-family: "Noto Sans JP", sans-serif;
    font-optical-sizing: auto;
    font-weight: 400;
    line-height: 1;

    /*自動カーニング*/
    font-feature-settings: "palt";
    /*両端揃え*/
    text-align: justify;
    /* ---------- */
    /* 変数 */
    /* 色 */
    --color-mikata-bace-black: #001432;
    --color-mikata-dark-gray: #505050;
    --color-mikata-gray: #848484;
    --color-mikata-light-gray: #a9a9a9;
    --color-mikata-ex-light-gray: #f7f8f8;
    color: var(--color-mikata-dark-gray);
}
@media screen and (max-width: 1096px) {
    /*幅1096pxの時に1文字10pxとなる値*/
    *:root {
        font-size: 0.9124vw;
    }
}
@media screen and (max-width: 480px) {
    /*幅390pxの時に1文字10pxとなる値*/
    *:root {
        font-size: 2.667vw;
    }
}
/*〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓
ローディング画面
〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓*/

#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.3s ease-out;
    .loader {
        position: relative;
        width: min(20%, 20rem);
        aspect-ratio: 1/1;
        @media screen and (max-width: 480px) {
            width: 50%;
        }
        &::before {
            content: "";
            background-image: url(../img/logo-mikata.svg);
            background-size: contain;
            background-position: center center;
            background-repeat: no-repeat;
            display: block;
            position: absolute;
            top: calc(50% - 4px);
            left: 50%;
            transform: translate(-50%, -50%);
            width: 70%;
            aspect-ratio: 1/1;
        }
        div.progress {
            position: absolute;
            bottom: 0;
            height: 4px;
            width: 100%;
            --c: no-repeat linear-gradient(#999 0 0);
            background: var(--c), var(--c), #ccc;
            background-size: 60% 100%;
            animation: l16 3s infinite;
        }
    }
}
@keyframes l16 {
    0% {
        background-position:
            -150% 0,
            -150% 0;
    }
    66% {
        background-position:
            250% 0,
            -150% 0;
    }
    100% {
        background-position:
            250% 0,
            250% 0;
    }
}

#loading-screen {
    &.fade-out {
        opacity: 0;
    }
}
#page_wrap {
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
    &.visible {
        opacity: 1;
    }
}
/* スムーズスクロール */
/* Safariでもズレない */
:target {
    scroll-margin-top: 8rem;
}

@media screen and (max-width: 480px) {
    :target {
        scroll-margin-top: 5.5rem;
    }
}

html {
    scroll-behavior: smooth; /* Chrome/Firefox用 */
}

/*noscript*/
noscript {
    display: block;
    font-size: var(--fsize_m);
    padding: 1em;
    background-color: #ff0;
    text-align: center;
    line-height: 2;
    position: relative;
    z-index: 10000000;
    width: auto;
    color: #000;
    word-break: keep-all;
}

/*画像*/
img {
    width: 100%;
    height: auto;

    &.ojf_cover {
        object-fit: cover;
        width: 100%;
        height: 100%;
        display: block;
    }

    &.ojf_contain {
        object-fit: contain;
        width: 100%;
        height: 100%;
        display: block;
    }
}

.ojf_cover_wrap {
    > img {
        object-fit: cover;
        width: 100%;
        height: 100%;
        display: block;
    }
}

.ojf_contain_wrap {
    > img {
        object-fit: contain;
        width: 100%;
        height: 100%;
        display: block;
    }
}
/*表示設定*/

/*PCで消す*/
.pc_hide {
    display: none;
}

/*SPで表示*/
@media screen and (max-width: 480px) {
    .sp_hide {
        display: none;
    }

    .pc_hide {
        display: block;
    }
}
body#mikata {
    /*noscript*/
    noscript {
        display: block;
        font-size: var(--fsize_m);
        padding: 1em;
        background-color: #ff0;
        text-align: center;
        line-height: 2;
        position: relative;
        z-index: 10000000;
        width: auto;
        color: #000;
        word-break: keep-all;
    }

    /*リンク設定*/
    /*リンク*/
    a {
        text-decoration: none;
        transition: all 0.2s ease;
        color: var(--color-mikata-bace-black);

        &:visited {
        }

        &:hover {
            opacity: 0.8;
        }

        &:active {
            opacity: 0.5;
        }
    }

    /*--------------------*/
    /* サブメニュー */
    /*--------------------*/
    .sub_menu_wrap {
        position: fixed;
        right: 0;
        top: 50%;
        transform: translateY(-50%);
        z-index: 500;
        @media screen and (max-width: 480px) {
            top: 8rem;
            transform: none;
        }

        ul {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            li {
                a {
                    writing-mode: vertical-rl;
                    display: flex;
                    justify-content: center;
                    align-items: center;
                    font-size: min(2rem, 24px);
                    letter-spacing: 0.2em;
                    color: #fff;
                    width: 3em;
                    padding: 1.3em 0;
                    background-color: var(--color-mikata-light-gray);
                    border-radius: 0.5em 0 0 0.5em;
                    &:hover {
                        opacity: 1;
                        padding-right: 0.5em;
                    }
                    @media screen and (max-width: 1096px) {
                        font-size: 1.6rem;
                    }
                    @media screen and (max-width: 480px) {
                        font-size: 1.4rem;
                        width: 2.6em;
                    }
                }
                &.onlineshop {
                    a {
                        background-color: var(--color-mikata-bace-black);
                        &:hover {
                            opacity: 1;
                        }
                    }
                }
            }
        }
        @media screen and (max-width: 480px) {
            transition: all 0.5s ease-in;
            &.on {
                opacity: 0;
                visibility: hidden;
            }
        }
    }

    /*--------------------*/
    /* 共通項目 */
    /*--------------------*/
    /* サブメニューを表示するようのパディング */
    .has_submenu_padding {
        padding-left: 6rem;
        padding-right: 6rem;
        @media screen and (max-width: 1096px) {
            padding-left: 4.8rem;
            padding-right: 4.8rem;
        }
        @media screen and (max-width: 480px) {
            padding-left: 2rem;
            padding-right: 2rem;
            &.sp_nopadding {
                padding-left: 0;
                padding-right: 0;
            }
        }
    }
    /* セクションのインナー */
    section {
        &.inner_100rem {
            .inner {
                position: relative;
                max-width: 100rem;
                margin: auto;
            }
        }
    }
    /* svgタイトル */
    h2.title_svg {
        height: 1.146rem;
        img {
            height: 100%;
            width: auto;
        }
        @media screen and (max-width: 480px) {
            height: 0.859rem;
        }
        &.center {
            text-align: center;
        }

        + h3.h3_default {
            margin-top: 2.8rem;
            @media screen and (max-width: 480px) {
                margin-top: 2.2rem;
            }
        }
    }

    h3.h3_default {
        font-size: 2.6rem;
        letter-spacing: 0.18em;
        font-weight: 400;
        @media screen and (max-width: 480px) {
            font-size: 2rem;
        }
        span {
            display: inline-block;
        }
        &.white {
            color: #fff;
        }
        &.center {
            text-align: center;
            span {
                padding-left: 0.18em;
            }
        }
    }

    /* ページトップ */
    .pagetop_jump {
        position: fixed;
        right: 0.5rem;
        bottom: 0.5rem;
        visibility: hidden;
        opacity: 0;
        transition: 0.5s;
        z-index: 100;
        width: 4rem;
        height: 4rem;

        &.on {
            visibility: visible;
            opacity: 1;
        }

        a {
            display: block;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.3);
            position: relative;
            font-size: 0;

            &::after {
                content: "";
                position: absolute;
                display: block;
                top: 50%;
                left: 50%;
                width: 1rem;
                height: 1rem;
                border: 1px solid #fff;
                border-bottom: none;
                border-left: none;
                transform: translate(-50%, -25%) rotate(-45deg);
            }

            /*PC版のみhoverを付与*/

            @media screen and (min-width: 769px) {
                &:hover {
                    opacity: 0.7;
                    transition: 0.2s;
                }
            }
        }
    }
    /*--------------------*/
    /* ヘッダ */
    /*--------------------*/
    header#mikata_header {
        z-index: 1000;
        top: 0;
        left: 0;
        position: fixed;
        border-bottom: 1px solid var(--color-mikata-bace-black);
        /* general.cssの#page_wrapのpadding-topと連動 */
        height: 8rem;
        width: 100%;
        transition: all 0.3s ease;
        @media screen and (max-width: 480px) {
            height: 5.5rem;
            border-bottom: none;
        }
        &.on {
            background-color: rgba(255, 255, 255, 0.5);
        }

        .header_inner {
            margin: auto;
            max-width: 100rem;
            position: relative;
            height: 100%;
            .header_logo {
                width: 16.8rem;
                position: absolute;
                top: 50%;
                left: 0;
                transform: translateY(-50%);
                @media screen and (max-width: 480px) {
                    width: 14.6rem;
                    left: 50%;
                    transform: translate(-50%, -50%);
                }

                a {
                    display: block;
                }
            }

            /*ハンバーガーボタン*/
            /*--------------------*/
            /* PC */
            /*--------------------*/
            @media screen and (min-width: 481px) {
                .header_nav_wrap {
                    .menu_btn {
                        display: none;
                    }
                }
            }

            /*--------------------*/
            /* スマートフォン */
            /*--------------------*/
            @media screen and (max-width: 480px) {
                .header_nav_wrap {
                    .menu_btn {
                        position: absolute;
                        z-index: 20000;
                        width: 5.5rem;
                        height: 5.5rem;
                        border: none;
                        right: 0;
                        bottom: 0;
                        padding: 0 1.15rem;
                        box-sizing: border-box;
                        background: rgba(0, 0, 0, 0);
                        transition: all 0.2s;

                        &:focus {
                            /*ボタンクリック時の枠線消し*/
                            outline: 0;
                        }

                        span.bar {
                            transform-origin: center;
                            display: block;
                            height: 1px;
                            background-color: var(--color-mikata-bace-black);
                            transition: all 0.2s;
                            margin: 0.8rem auto;
                        }

                        &.open {
                            .bar {
                                background-color: #fff;
                            }

                            .bar1 {
                                transform: rotate(15deg);
                            }

                            .bar3 {
                                transform: rotate(-15deg);
                                margin-top: -0.9rem;
                            }
                        }
                    }
                }
            }

            /*メニュー背景 */

            /*--------------------*/
            /* PC */
            /*--------------------*/
            @media screen and (min-width: 481px) {
                .header_nav_wrap {
                    .menu_bg {
                        display: none;
                    }
                }
            }

            /*--------------------*/
            /* スマートフォン */
            /*--------------------*/
            @media screen and (max-width: 480px) {
                .header_nav_wrap {
                    .menu_bg {
                        /* 全画面の場合 */
                        /* display: none; */

                        /* 横からのスライドの場合 */
                        position: fixed;
                        width: 100%;
                        height: 100%;
                        z-index: 1005;
                        background-color: rgba(255, 255, 255, 0);
                        visibility: hidden;
                        top: 0;
                        left: 0;
                        opacity: 0;
                        transition: 0.3s;

                        &.open {
                            /* 横からのスライドの場合 */
                            visibility: visible;
                            opacity: 1;
                        }
                    }
                }
            }

            /*メニュー*/

            /*--------------------*/
            /* PC */
            /*--------------------*/
            @media screen and (min-width: 481px) {
                .header_nav_wrap {
                    z-index: 100;

                    .glo_menu_wrap {
                        position: absolute;
                        right: 0;
                        top: 50%;
                        transform: translateY(-50%);

                        .glo_menu {
                            display: flex;
                            align-items: center;

                            li.menu-item {
                                position: relative;
                                &::after {
                                    content: "";
                                    width: 1px;
                                    height: 1.8rem;
                                    background-color: var(--color-mikata-bace-black);
                                    position: absolute;
                                    right: 0;
                                    top: 50%;
                                    transform: translateY(-50%);
                                }
                                &:nth-child(n + 5) {
                                    &::after {
                                        display: none;
                                    }
                                }

                                a {
                                    font-size: 1.6rem;
                                    text-decoration: none;
                                    padding: 0.1em 0.8125em;
                                    display: block;

                                    &.underline {
                                        position: relative;
                                        span {
                                            position: relative;
                                            padding: 0.25em 0 0.25em 0.1em;
                                            display: inline-block;
                                            letter-spacing: 0.1em;
                                            &::after {
                                                position: absolute;
                                                content: "";
                                                width: 100%;
                                                height: 1px;
                                                background: var(--color-mikata-bace-black);
                                                left: 0;
                                                bottom: 0;
                                                transform: scale(0, 1);
                                                transform-origin: right top;
                                                transition: transform 0.3s;
                                            }
                                        }
                                        &:hover {
                                            span {
                                                &::after {
                                                    transform: scale(1, 1);
                                                    transform-origin: left top;
                                                }
                                            }
                                        }
                                    }
                                }

                                &.instagram {
                                    a {
                                        padding-left: 1rem;
                                        padding-right: 0;
                                        width: 1.7em;
                                        aspect-ratio: 1/1;
                                    }
                                }
                            }
                        }
                    }
                }
            }
            /* コンテンツエリア */

            /*--------------------*/
            /* スマートフォン */
            /*--------------------*/
            @media screen and (max-width: 480px) {
                .header_nav_wrap {
                    .glo_menu_wrap {
                        height: 100vh;
                        height: 100dvh;
                        padding-top: 5.5rem;
                        box-sizing: border-box;
                        overflow-y: auto;
                        top: 0;
                        position: absolute;
                        background-color: var(--color-mikata-bace-black);
                        z-index: 1010;
                        transition: 0.3s;
                        width: 48vw;
                        right: -48vw;
                        &.open {
                            right: 0;
                        }

                        /* メニューの中身 */
                        .glo_menu {
                            border-top: 1px solid #fff;
                            padding: 1.7rem 2.1rem;
                            li.menu-item {
                                margin: 1.1rem 0;
                                a {
                                    display: block;
                                    color: #fff;
                                    font-size: 1.4rem;
                                    letter-spacing: 0.1em;
                                    line-height: 2.5;
                                }
                                &.instagram {
                                    position: absolute;
                                    bottom: 2.4rem;
                                    left: 2.1rem;
                                    a {
                                        width: 2.5rem;
                                        aspect-ratio: 1/1;
                                        line-height: 1;
                                        letter-spacing: normal;
                                    }
                                }
                            }
                        }

                        /* スマホ用メニュー */
                        ul.sp_menu {
                            position: absolute;
                            left: 2.1rem;
                            bottom: 18vh;
                            width: 100%;
                            li {
                                a {
                                    color: #fff;
                                    font-size: 1.2rem;
                                    letter-spacing: 0.1em;
                                    line-height: 2.833;
                                }
                                &.onlineshop {
                                    margin-bottom: 1.4rem;
                                    a {
                                        display: block;
                                        border: 1px solid #fff;
                                        border-radius: 0.5rem;
                                        width: 13.5rem;
                                        text-align: center;
                                        letter-spacing: 0.025em;
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }
    /*--------------------*/
    /* フッタ */
    /*--------------------*/
    footer#mikata_footer {
        padding-bottom: 4.4rem;
        ul.footer_link_wrap {
            border-bottom: 1px solid var(--color-mikata-bace-black);
            display: flex;
            height: 19.4rem;
            @media screen and (max-width: 480px) {
                height: 8.2rem;
            }
            li {
                width: 50%;
                box-sizing: border-box;
                &:first-child {
                    border-right: 1px solid var(--color-mikata-bace-black);
                }
                a {
                    width: 100%;
                    height: 100%;
                    background-color: #efefef;
                    display: block;
                    box-sizing: border-box;
                    padding-top: 6.4rem;
                    @media screen and (max-width: 480px) {
                        padding-top: 2.6rem;
                    }
                    h5 {
                        height: 1.2rem;
                        text-align: center;
                        margin-bottom: 2.2rem;
                        @media screen and (max-width: 480px) {
                            height: 0.7rem;
                            margin-bottom: 0.9rem;
                        }
                        span {
                            img {
                                height: 100%;
                                width: auto;
                            }
                        }
                    }
                    .logo_instagram {
                        width: 4rem;
                        margin: auto;
                        @media screen and (max-width: 480px) {
                            width: 2.3rem;
                        }
                    }
                    .text_download {
                        font-size: 2.1rem;
                        letter-spacing: 0.18em;
                        padding-left: 0.18em;
                        text-align: center;
                        color: var(--color-mikata-dark-gray);
                        @media screen and (max-width: 480px) {
                            font-size: 1.4rem;
                        }
                    }
                }
            }
        }
        .logo_wrap {
            padding-top: 9.2rem;
            padding-bottom: 10.6rem;
            @media screen and (max-width: 480px) {
                padding-top: 2.8rem;
                padding-bottom: 5.4rem;
            }
            .footer_logo {
                max-width: 100rem;
                margin: auto;
                text-align: right;
                a {
                    display: inline-block;
                    width: 39.6rem;
                    color: #004a87;
                    @media screen and (max-width: 480px) {
                        width: 19.4rem;
                    }
                    .text {
                        display: flex;
                        justify-content: flex-end;
                        align-items: center;
                        gap: 1.8rem;
                        margin-top: 3rem;
                        font-size: 2.2rem;
                        letter-spacing: 0.05em;
                        @media screen and (max-width: 480px) {
                            font-size: 1.2rem;
                            gap: 0.8rem;
                            margin-top: 2rem;
                        }
                        .yajirushi {
                            width: 5rem;
                            @media screen and (max-width: 480px) {
                                width: 1.9rem;
                            }
                        }
                    }
                }
            }
        }
        .copyright {
            text-align: center;
            font-size: 1.2rem;
            font-weight: 300;
            letter-spacing: 0.2em;
            padding-left: 0.2em;
            color: var(--color-mikata-bace-black);
            @media screen and (max-width: 480px) {
                font-size: 1rem;
            }
        }
    }
    /*--------------------*/
    /* メイン */
    /*--------------------*/
    main {
        @media screen and (max-width: 480px) {
            padding-top: 5.5rem;
        }
        /*--------------------*/
        /* ファーストビュー */
        /*--------------------*/
        section#firstvew {
            color: var(--color-mikata-bace-black);
            height: 60rem;
            margin-bottom: 18.6rem;
            @media screen and (min-width: 1921px) {
                margin-bottom: 20vw;
            }
            @media screen and (max-width: 1096px) {
                height: 55.5rem;
                position: relative;
            }
            @media screen and (max-width: 480px) {
                height: 52rem;
                margin-bottom: 2.4rem;
            }
            /*--------------------*/
            /* スライダー */
            /*--------------------*/
            .slider_wrap {
                position: absolute;
                right: 0;
                top: 0;
                width: 55%;
                min-width: 69.2rem;
                @media screen and (max-width: 1096px) {
                    width: 64rem;
                    min-width: auto;
                }
                @media screen and (max-width: 480px) {
                    width: 32.3rem;
                    height: 41rem;
                }
                .slider-main {
                    height: 100%;
                    div {
                        height: 100%;
                    }
                }
            }
            .inner {
                height: 100%;

                p.copy_en {
                    position: absolute;
                    right: 64rem;
                    top: 16rem;
                    font-size: 1.2rem;
                    width: 9em;
                    text-align: right;
                    letter-spacing: 0.18em;
                    line-height: 2;
                    span {
                        display: inline-block;
                    }
                    @media screen and (max-width: 480px) {
                        left: 0;
                        right: auto;
                        top: 0;
                        writing-mode: vertical-lr;
                        line-height: 1;
                        width: 1em;
                        span {
                            margin-bottom: 0.75em;
                        }
                    }
                }

                hgroup {
                    position: absolute;
                    bottom: 2rem;
                    left: 0;
                    @media screen and (max-width: 480px) {
                        bottom: 0;
                    }
                    p {
                        font-size: 2.4rem;
                        line-height: 1.66;
                        letter-spacing: 0.3em;
                        margin-bottom: 0.875em;
                        @media screen and (max-width: 480px) {
                            font-size: 1.4rem;
                        }
                    }

                    h1 {
                        width: 34.7rem;
                        @media screen and (max-width: 480px) {
                            width: 20.5rem;
                        }
                    }
                }
            }
        }

        /*--------------------*/
        /* コンセプト */
        /*--------------------*/
        section#concept {
            margin-bottom: 12rem;
            @media screen and (max-width: 480px) {
                margin-bottom: 9rem;
            }
            .inner {
                display: flex;
                align-items: center;
                gap: 9.4rem;
                @media screen and (max-width: 480px) {
                    flex-direction: column;
                    gap: 10rem;
                }
                .img_wrap {
                    width: 50rem;
                    flex-shrink: 0;
                    @media screen and (max-width: 480px) {
                        width: 100%;
                    }
                }
                .text_wrap {
                    font-size: 1.6rem;
                    padding-top: 0.625em;
                    @media screen and (max-width: 480px) {
                        font-size: 1.4rem;
                        padding: 0 2rem;
                    }
                    h2 {
                        margin-bottom: 4rem;
                        @media screen and (max-width: 480px) {
                            text-align: center;
                        }
                    }
                    p {
                        line-height: 2.25;
                        letter-spacing: 0.08em;
                    }
                }
            }
        }

        /*--------------------*/
        /* テーマ */
        /*--------------------*/
        section#theme {
            .nayami {
                background-color: var(--color-mikata-light-gray);
                color: #fff;
                padding-top: 10.6rem;
                padding-bottom: 10.6rem;
                position: relative;
                @media screen and (max-width: 480px) {
                    padding-top: 9rem;
                    padding-bottom: 9rem;
                }

                h3 {
                    margin-bottom: 4rem;
                    @media screen and (max-width: 480px) {
                        margin-bottom: 3.2rem;
                    }
                }

                p {
                    font-size: 1.8rem;
                    line-height: 2;
                    letter-spacing: 0.08em;
                    max-width: 60rem;
                    margin: auto;
                    @media screen and (max-width: 480px) {
                        font-size: 1.4rem;
                    }
                }
                &::after {
                    content: "";
                    display: block;
                    position: absolute;
                    bottom: 0;
                    left: 50%;
                    transform: translate(-50%, 50%);
                    background-repeat: no-repeat;
                    background-size: contain;
                    background-image: url(../img/icon-yajirushi.svg);
                    width: 10.2rem;
                    height: 6.7rem;
                    @media screen and (max-width: 480px) {
                        width: 7.3rem;
                        height: 4.8rem;
                    }
                    animation: floatUpDown 4s ease-in-out infinite;
                }
            }
            .kouzouka {
                background-color: var(--color-mikata-ex-light-gray);
                padding-top: 9.4rem;
                padding-bottom: 5.6rem;
                @media screen and (max-width: 480px) {
                    padding-top: 8.2rem;
                    padding-bottom: 7.2rem;
                }
                h3 {
                    margin-bottom: 4.6rem;
                    @media screen and (max-width: 480px) {
                        margin-bottom: 3.8rem;
                    }
                }

                ul {
                    display: flex;
                    flex-wrap: wrap;
                    gap: 3.8rem;
                    justify-content: center;
                    width: 100rem;
                    margin: auto;
                    @media screen and (max-width: 480px) {
                        flex-direction: column;
                        gap: 2.8rem;
                        width: 26.9rem;
                    }
                    li {
                        width: 28.6rem;
                        box-sizing: border-box;
                        padding: 5rem 0 0 6.6rem;
                        position: relative;
                        margin-bottom: 3.4rem;

                        &::before {
                            content: "";
                            display: block;
                            position: absolute;
                            top: 0;
                            left: 0;
                            width: 10rem;
                            aspect-ratio: 1/1;
                            background-repeat: no-repeat;
                            background-size: contain;
                        }
                        @media screen and (max-width: 480px) {
                            width: 100%;
                            padding: 4.2rem 0 0 5.6rem;
                            margin-bottom: 0;
                            &::before {
                                width: 8rem;
                            }
                        }
                        &.icon-01 {
                            &::before {
                                background-image: url(../img/icon-kouzou-01.svg);
                            }
                        }
                        &.icon-02 {
                            &::before {
                                background-image: url(../img/icon-kouzou-02.svg);
                            }
                        }
                        &.icon-03 {
                            &::before {
                                background-image: url(../img/icon-kouzou-03.svg);
                            }
                        }
                        &.icon-04 {
                            &::before {
                                background-image: url(../img/icon-kouzou-04.svg);
                            }
                        }
                        &.icon-05 {
                            &::before {
                                background-image: url(../img/icon-kouzou-05.svg);
                            }
                        }
                        h4 {
                            position: relative;
                            font-weight: 400;
                            font-size: 2.2rem;
                            letter-spacing: 0.18em;
                            margin-bottom: 1.2rem;
                            @media screen and (max-width: 480px) {
                                font-size: 1.8rem;
                            }
                        }
                        p {
                            position: relative;
                            font-size: 1.6rem;
                            letter-spacing: 0.06em;
                            line-height: 1.875;
                            @media screen and (max-width: 480px) {
                                font-size: 1.4rem;
                            }
                        }

                        &:nth-child(3) {
                            width: 35.2rem;
                            padding-right: 6.6rem;
                            @media screen and (max-width: 480px) {
                                width: 100%;
                                padding-right: 0;
                            }
                        }
                    }
                }
            }
        }

        /*--------------------*/
        /* メソッド */
        /*--------------------*/
        section#method {
            position: static;
            margin-bottom: 11.2rem;
            padding-top: 10rem;
            @media screen and (max-width: 480px) {
                margin-bottom: 6.6rem;
                padding-top: 6.8rem;
            }
            h3 {
                margin-bottom: 5rem;
            }

            h4 {
                font-size: 2.2rem;
                letter-spacing: 0.18em;
                text-align: center;
                font-weight: 400;
                @media screen and (max-width: 480px) {
                    font-size: 1.8rem;
                }

                span {
                    display: inline-block;
                    padding-left: 0.18em;
                }
            }
            .flex_wrap {
                display: flex;
                justify-content: space-between;
                max-width: 70rem;
                margin: auto;
                @media screen and (max-width: 480px) {
                    display: block;
                }
                p {
                    font-size: 1.6rem;
                    letter-spacing: 0.06em;
                    line-height: 2.125;
                    width: 31.2rem;
                    @media screen and (max-width: 480px) {
                        font-size: 1.4rem;
                        line-height: 2.14;
                        width: 100%;
                        margin-bottom: 2rem;
                    }
                }
                .video_wrap {
                    width: 28rem;
                    padding-top: 0.9rem;
                    @media screen and (max-width: 480px) {
                        width: 100%;
                        padding-top: 0;
                    }
                    video {
                        width: 100%;
                        height: auto;
                    }
                }
            }

            /* 革命 */

            .kakumei {
                h4 {
                    margin-bottom: 2.4rem;
                    @media screen and (max-width: 480px) {
                        margin-bottom: 2rem;
                    }
                }
                p {
                    max-width: 60rem;
                    font-size: 1.6rem;
                    letter-spacing: 0.06em;
                    line-height: 1.875;
                    margin: auto;
                    @media screen and (max-width: 480px) {
                        font-size: 1.4rem;
                        line-height: 2.14;
                    }
                }
            }

            /* アニメーション */
            .video_wrap {
                position: relative; /* アイコンを重ねるため必須 */
                max-width: 80rem;
                margin: auto;
                cursor: pointer;
                video {
                    width: 100%;
                    height: auto;
                }

                .play-icon {
                    position: absolute;
                    width: 100%;
                    height: 100%;
                    top: 0;
                    left: 0;
                    background-color: rgba(0, 0, 0, 0.2);
                    opacity: 0; /* 初期は非表示 */
                    pointer-events: none; /* アイコンはクリックを通す */
                    transition: opacity 0.3s ease;

                    img {
                        width: min(20%, 16rem);
                        aspect-ratio: 1/1;
                        position: absolute;
                        top: 50%;
                        left: 50%;
                        transform: translate(-50%, -50%);
                        opacity: 0.9;
                    }
                }

                /* 停止時・終了時に表示 */
                &.paused .play-icon {
                    opacity: 1;
                    pointer-events: auto;
                }
            }
        }

        /*--------------------*/
        /* ケーススタディ */
        /*--------------------*/
        section#case_study {
            background-color: var(--color-mikata-bace-black);
            padding-top: 11.6rem;
            padding-bottom: 12rem;
            @media screen and (max-width: 480px) {
                padding-top: 7rem;
                padding-bottom: 7.2rem;
            }
            h3 {
                margin-bottom: 6rem;
                @media screen and (max-width: 480px) {
                    margin-bottom: 4rem;
                }
            }
            .case_wrap {
                background: #fff;
                background: linear-gradient(
                    90deg,
                    rgba(255, 255, 255, 1) 0%,
                    rgba(255, 255, 255, 1) 50%,
                    rgba(0, 20, 50, 1) 50%,
                    rgba(0, 20, 50, 1) 100%
                );
                margin-bottom: 8rem;
                @media screen and (max-width: 480px) {
                    margin-bottom: 2rem;
                }
                .inner {
                    background-color: #fff;
                    border-radius: 1rem;
                    padding: 11.6rem 0 9rem;
                    @media screen and (max-width: 480px) {
                        padding: 7.4rem 0 3rem;
                    }
                    .case {
                        max-width: 80rem;
                        margin: auto;
                        box-sizing: border-box;
                        padding-left: 4.4rem;
                        position: relative;
                        @media screen and (max-width: 480px) {
                            width: 26.4rem;
                            padding-left: 0;
                        }
                        .nomber {
                            position: absolute;
                            top: -4.1rem;
                            left: -2.7rem;
                            width: 10.2rem;
                            @media screen and (max-width: 480px) {
                                width: 6rem;
                                top: -4rem;
                                left: -2rem;
                            }
                        }
                        .flex_box {
                            display: flex;
                            justify-content: space-between;
                            padding-left: 2.4rem;
                            @media screen and (max-width: 480px) {
                                flex-direction: column;
                                padding-left: 0;
                            }
                            p {
                                font-size: 1.6rem;
                                letter-spacing: 0.05em;
                                line-height: 2.1875;
                                @media screen and (max-width: 480px) {
                                    font-size: 1.2rem;
                                    letter-spacing: 0.08em;
                                    line-height: 1.8;
                                }
                            }

                            &.box-01 {
                                margin-bottom: 4.4rem;
                                @media screen and (max-width: 480px) {
                                    margin-bottom: 1.4rem;
                                }
                                .text_wrap {
                                    width: 41rem;
                                    padding-top: 2.4rem;
                                    @media screen and (max-width: 480px) {
                                        width: 100%;
                                        padding-top: 0;
                                        margin-bottom: 1.4rem;
                                    }
                                    hgroup {
                                        margin-bottom: 3.4rem;
                                        @media screen and (max-width: 480px) {
                                            margin-bottom: 1.2rem;
                                        }
                                        h4 {
                                            font-weight: 400;
                                            font-size: 2.6rem;
                                            letter-spacing: 0.12em;
                                            line-height: 1.84;
                                            margin-bottom: 2rem;
                                            @media screen and (max-width: 480px) {
                                                font-size: 1.8rem;
                                                padding-left: 3rem;
                                                margin-bottom: 3rem;
                                            }
                                        }
                                        .name {
                                            font-size: 1.8rem;
                                            letter-spacing: 0.05em;
                                            @media screen and (max-width: 480px) {
                                                font-size: 1rem;
                                            }
                                        }
                                    }
                                }
                                .img_wrap {
                                    width: 26.5rem;
                                    display: flex;
                                    flex-direction: column;
                                    gap: 1.2rem;
                                    @media screen and (max-width: 480px) {
                                        width: 100%;
                                        flex-direction: row;
                                        gap: 0.4rem;
                                    }
                                }
                            }
                            &.box-02 {
                                margin-bottom: 7.2rem;
                                @media screen and (max-width: 480px) {
                                    flex-direction: column-reverse;
                                    margin-bottom: 2.4rem;
                                }
                                .img_wrap {
                                    width: 26.5rem;
                                    @media screen and (max-width: 480px) {
                                        width: 100%;
                                    }
                                }
                                p {
                                    width: 42.4rem;
                                    @media screen and (max-width: 480px) {
                                        width: 100%;
                                        margin-bottom: 1.4rem;
                                    }
                                }
                            }
                        }

                        .review {
                            display: flex;
                            padding-left: 13.4rem;
                            margin-bottom: 4.2rem;
                            align-items: center;
                            gap: 2.6rem;
                            @media screen and (max-width: 480px) {
                                display: block;
                                padding: 0;
                                margin-bottom: 2.6rem;
                            }
                            .title {
                                display: flex;
                                width: 6.4rem;
                                height: 6.4rem;
                                border-radius: 9999px;
                                background-color: var(--color-mikata-bace-black);
                                align-items: center;
                                justify-content: center;
                                @media screen and (max-width: 480px) {
                                    width: 11.6rem;
                                    height: 2.4rem;
                                    margin: auto auto 1.2rem;
                                }
                                span {
                                    width: 4rem;
                                    @media screen and (max-width: 480px) {
                                        width: 3rem;
                                    }
                                }
                            }
                            p {
                                font-size: 2rem;
                                letter-spacing: 0.1em;
                                line-height: 1.8;
                                @media screen and (max-width: 480px) {
                                    font-size: 1.4rem;
                                    letter-spacing: 0.08em;
                                    text-align: center;
                                }
                            }
                        }

                        ul.before_after {
                            display: flex;
                            justify-content: space-between;
                            @media screen and (max-width: 480px) {
                                flex-direction: column;
                                gap: 2rem;
                            }
                            li {
                                width: 35.4rem;
                                @media screen and (max-width: 480px) {
                                    width: 100%;
                                }
                                h5 {
                                    height: 1rem;
                                    margin-bottom: 1.2rem;
                                    @media screen and (max-width: 480px) {
                                        height: 0.72rem;
                                        margin-bottom: 1rem;
                                    }
                                    img {
                                        height: 100%;
                                        width: auto;
                                    }
                                }
                                &.before {
                                    .img_wrap {
                                        position: relative;
                                        &::after {
                                            content: "";
                                            display: block;
                                            position: absolute;
                                            right: 0;
                                            top: 50%;
                                            width: 4rem;
                                            height: 6rem;
                                            background-image: url(../img/icon-yajirushi-yoko.svg);
                                            background-size: contain;
                                            background-repeat: no-repeat;
                                            transform: translate(80%, -50%);
                                        }
                                        @media screen and (max-width: 480px) {
                                            &::after {
                                                background-image: url(../img/icon-yajirushi-yoko-kaiten.svg);
                                                width: 4.3rem;
                                                height: 2.8rem;
                                                transform: translate(-50%, 50%);
                                                top: auto;
                                                right: auto;
                                                bottom: 0;
                                                left: 50%;
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
                &.reverse {
                    background: linear-gradient(
                        -90deg,
                        rgba(255, 255, 255, 1) 0%,
                        rgba(255, 255, 255, 1) 50%,
                        rgba(0, 20, 50, 1) 50%,
                        rgba(0, 20, 50, 1) 100%
                    );
                    margin-bottom: 4rem;
                    @media screen and (max-width: 480px) {
                        margin-bottom: 1.6rem;
                    }
                    .case {
                        .nomber {
                            @media screen and (max-width: 480px) {
                                top: -4rem;
                                left: 0;
                            }
                        }
                        .flex_box {
                            &.box-01 {
                                .text_wrap {
                                    hgroup {
                                        h4 {
                                            @media screen and (max-width: 480px) {
                                                padding-left: 5rem;
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
            p.annotation {
                font-size: 1.2rem;
                color: #fff;
                letter-spacing: 0.14em;
                padding-left: 0.14em;
                text-align: center;
                @media screen and (max-width: 480px) {
                    font-size: 1rem;
                    letter-spacing: 0.1em;
                    padding-left: 0.1em;
                }
            }
        }

        /*--------------------*/
        /* プロダクト */
        /*--------------------*/
        section#products {
            padding-top: 12.8rem;
            margin-bottom: 17.4rem;

            @media screen and (max-width: 480px) {
                padding-top: 9rem;
                margin-bottom: 9rem;
            }

            /* ボタン */
            .button_yajirushi {
                display: block;
                width: 30rem;
                padding: 0.8em 2em 0.9em;
                border-radius: 9999px;
                border: 2px solid var(--color-mikata-bace-black);
                box-sizing: border-box;
                color: var(--color-mikata-bace-black);
                cursor: pointer;
                position: relative;
                font-size: 1.8rem;
                letter-spacing: 0.16em;
                transition: all 0.3s ease-in;
                @media screen and (max-width: 480px) {
                    font-size: 1.6rem;
                    width: 100%;
                    padding: 0.8em 2.315em 0.9em;
                }

                &::after {
                    content: "";
                    display: block;
                    position: absolute;
                    width: 0.68em;
                    aspect-ratio: 1/1;
                    border-right: 1px solid var(--color-mikata-bace-black);
                    border-bottom: 1px solid var(--color-mikata-bace-black);
                    top: 50%;
                    right: 1.33em;
                    transform: rotate(45deg) translate(0, -50%);
                    transform-origin: right top;
                }
                &.active {
                    background-color: var(--color-mikata-bace-black);
                    color: #fff;
                    &::after {
                        border-color: #fff;
                    }
                }
            }

            /* タブ */
            ul.tab {
                display: flex;
                justify-content: space-between;
                margin: 5.2rem auto 6.8rem;
                padding: 0 1.4rem;
                max-width: 100rem;
                @media screen and (max-width: 480px) {
                    flex-direction: column;
                    gap: 1.4rem;
                    padding: 0 2rem;
                }
            }

            .products-item {
                max-width: 100rem;
                margin: auto;
                display: none;
                opacity: 0;

                &.active {
                    opacity: 1;
                    display: block;
                    animation: tabfade 0.5s ease-in;
                }

                .explanation_wrap {
                    display: flex;
                    justify-content: space-between;
                    margin-bottom: 6rem;
                    @media screen and (max-width: 480px) {
                        flex-direction: column;
                        gap: 2.6rem;
                        margin-bottom: 6.8rem;
                        padding: 0 2rem;
                    }
                    .img_wrap {
                        width: 37rem;
                        @media screen and (max-width: 480px) {
                            width: 100%;
                        }
                    }

                    .text_wrap {
                        width: 57.8rem;
                        @media screen and (max-width: 480px) {
                            width: 100%;
                        }
                        h4 {
                            font-size: 2.4rem;
                            letter-spacing: 0.09em;
                            font-weight: 400;
                            margin-bottom: 3.4rem;
                            @media screen and (max-width: 480px) {
                                font-size: 1.8rem;
                                line-height: 1.55;
                                margin-bottom: 3rem;
                            }
                        }
                        p.honbun_text {
                            font-size: 1.8rem;
                            line-height: 1.78;
                            letter-spacing: 0.05em;
                            margin-bottom: 2.8rem;
                            @media screen and (max-width: 480px) {
                                font-size: 1.4rem;
                                line-height: 2.14;
                                margin-bottom: 1.6rem;
                            }
                        }
                        p.sub_text {
                            font-size: 1.4rem;
                            line-height: 1.6;
                            margin-bottom: 3.2rem;
                            @media screen and (max-width: 480px) {
                                font-size: 1.2rem;
                                line-height: 1.83;
                                margin-bottom: 4.6rem;
                            }
                        }
                    }
                    .list_wrap {
                        display: flex;
                        font-size: 1.4rem;
                        gap: 1em;
                        @media screen and (max-width: 480px) {
                            flex-direction: column;
                            font-size: 1.2rem;
                            gap: 2rem;
                        }
                        h6 {
                            writing-mode: vertical-rl;
                            border: 1px solid var(--color-mikata-bace-black);
                            padding: 1em 0.6rem 0 0.5rem;
                            text-align: center;
                            letter-spacing: 1em;
                            font-weight: 400;
                            @media screen and (max-width: 480px) {
                                writing-mode: horizontal-tb;
                                text-align-last: left;
                                padding: 0.6rem 0.8rem 0.7rem;
                            }
                        }
                        ul {
                            letter-spacing: 0.07em;
                            line-height: 1.5;
                            @media screen and (max-width: 480px) {
                                letter-spacing: 0.04em;
                            }
                            small {
                                font-size: 1.2rem;
                                @media screen and (max-width: 480px) {
                                    font-size: 1rem;
                                }
                            }
                            li {
                                margin: 0.25em 0;
                            }
                        }
                    }
                }
                .installation_wrap {
                    h5 {
                        font-size: 1.8rem;
                        letter-spacing: 0.05em;
                        font-weight: 400;
                        margin-bottom: 2rem;
                        @media screen and (max-width: 480px) {
                            font-size: 1.6rem;
                            margin-bottom: 2.8rem;
                            padding: 0 2rem;
                        }
                    }
                    .slide_installation {
                        @media screen and (min-width: 481px) {
                            display: flex;
                            justify-content: space-between;
                        }
                        .slider-item {
                            width: 30.3rem;
                            .img_wrap {
                                border: 0.3rem solid var(--color-mikata-bace-black);
                            }
                            h6 {
                                margin: 2.2rem 0 0.7rem;
                                font-size: 1.4rem;
                                letter-spacing: 0.09em;
                                font-weight: 500;
                            }
                            p {
                                font-size: 1.6rem;
                                letter-spacing: 0.09em;
                            }

                            @media screen and (max-width: 480px) {
                                width: 25.8rem;
                                margin: 0 1.9rem;
                                h6 {
                                    margin: 1.8rem 0 1rem;
                                    padding: 0 0.3rem;
                                }
                                p {
                                    font-size: 1.4rem;
                                    padding: 0 0.3rem;
                                }
                            }
                        }
                    }
                }
                .button_wrap {
                    margin-top: 3.8rem;
                    padding: 0 2rem;
                    a.button_yajirushi {
                        margin: auto;
                        width: 31.8rem;
                        @media screen and (max-width: 480px) {
                            width: 100%;
                        }
                    }
                }
            }
            /* slick */
            .slider_wrap {
                position: relative;
                button {
                    appearance: none;
                    border: none;
                    background-color: transparent;
                    font-size: 0;
                    line-height: 0;
                    position: relative;
                    margin: 0;
                    padding: 0;
                    transition: 0.2s;
                    &:focus {
                        outline: 0;
                    }
                }
                /* 矢印 */
                button.slick-arrow {
                    position: absolute;
                    display: block;
                    top: calc(50% - 2.85rem);
                    transform: translate(0, -50%);
                    z-index: 100;
                    &::after {
                        content: "";
                        display: block;
                        width: 1.2rem;
                        height: 2.8rem;
                        background-image: url(../img/slider-arrow.svg);
                        background-repeat: no-repeat;
                        background-size: contain;
                    }
                    &.slick-next {
                        right: 11%;
                    }
                    &.slick-prev {
                        left: 11%;
                        &::after {
                            transform: scale(-1, -1);
                        }
                    }
                    &.slick-disabled {
                        &::after {
                            display: none;
                        }
                    }
                }
                /* ドットナビ */
                ul.slick-dots {
                    display: flex;
                    align-items: center;
                    flex-wrap: wrap;
                    justify-content: center;
                    margin-top: 4.4rem;
                    @media screen and (max-width: 480px) {
                        margin-top: 2.2rem;
                    }
                    li {
                        margin: 0 0.4rem;
                        /*button がinline-block要素なので、行の高さをとらせないように0を指定*/
                        line-height: 0;
                        button {
                            &::after {
                                content: "";
                                box-sizing: border-box;
                                display: block;
                                width: 1.2rem;
                                height: 1.2rem;
                                border-radius: 9999px;
                                background: #fff;
                                border: 2px solid var(--color-mikata-bace-black);
                                transition: 0.3s ease;
                                cursor: pointer;
                                @media screen and (max-width: 480px) {
                                    width: 1rem;
                                    height: 1rem;
                                    border-width: 1px;
                                }
                            }
                            &:hover {
                                &::after {
                                    background-color: var(--color-mikata-light-gray);
                                }
                            }
                        }
                        &.slick-active button::after {
                            background: var(--color-mikata-bace-black);
                        }
                    }
                }
            }
        }

        /*--------------------*/
        /* FAQ */
        /*--------------------*/
        section#faq {
            background-color: var(--color-mikata-bace-black);
            padding-top: 10rem;
            padding-bottom: 9rem;
            @media screen and (max-width: 480px) {
                padding-top: 6rem;
                padding-bottom: 4.6rem;
            }
            .inner {
                display: flex;
                @media screen and (max-width: 480px) {
                    display: block;
                }
                hgroup {
                    width: 24.5rem;
                    flex-shrink: 0;
                    @media screen and (max-width: 480px) {
                        text-align: center;
                        width: 100%;
                        margin-bottom: 4.4rem;
                    }
                }
                .faq_list_wrap {
                    .annotation {
                        color: #fff;
                        font-size: 1.8rem;
                        letter-spacing: 0.1em;
                        line-height: 1.66;
                        @media screen and (max-width: 480px) {
                            font-size: 1.2rem;
                        }
                    }

                    ul.faq_list {
                        > li {
                            margin-bottom: 2.8rem;
                            @media screen and (max-width: 480px) {
                                margin-bottom: 2rem;
                            }
                            .accordion {
                                background: #fff;
                                border-radius: 1rem;
                                overflow: hidden;
                                @media screen and (max-width: 480px) {
                                    border-radius: 0.4rem;
                                }
                                .accordion-header {
                                    padding: 3.8rem 17rem 3.8rem 4.6rem;
                                    cursor: pointer;
                                    display: flex;
                                    align-items: flex-start;
                                    position: relative;
                                    transition: 0.3 ease;
                                    @media screen and (max-width: 480px) {
                                        padding: 2rem 5.6rem 2rem 1.8rem;
                                    }
                                    .question {
                                        height: 1.73rem;
                                        padding-top: 1.1rem;
                                        width: 7.4rem;
                                        flex-shrink: 0;
                                        @media screen and (max-width: 480px) {
                                            padding-top: 0.5rem;
                                            height: 1.6rem;
                                            width: 4.2rem;
                                        }
                                        img {
                                            height: 100%;
                                            width: auto;
                                        }
                                    }
                                    p {
                                        font-size: 2rem;
                                        line-height: 1.9;
                                        letter-spacing: 0.08em;
                                        @media screen and (max-width: 480px) {
                                            font-size: 1.6rem;
                                            line-height: 1.625;
                                        }
                                    }
                                    .arrow {
                                        width: 2.8rem;
                                        aspect-ratio: 1/1;
                                        position: absolute;
                                        top: 50%;
                                        right: 4.2rem;
                                        transform: translateY(-50%);
                                        @media screen and (max-width: 480px) {
                                            width: 2rem;
                                            right: 2rem;
                                        }
                                        &::before,
                                        &::after {
                                            content: "";
                                            display: block;
                                            position: absolute;
                                            width: 100%;
                                            height: 2px;
                                            background-color: var(--color-mikata-bace-black);
                                            top: calc(50% - 1px);
                                            left: 0;
                                            transform-origin: center;
                                            transition: 0.5s ease;
                                        }
                                        &::after {
                                            transform: rotate(90deg);
                                        }
                                    }
                                }
                                .accordion-content {
                                    max-height: 0;
                                    box-sizing: border-box;
                                    overflow: hidden;
                                    transition: 0.8s ease;

                                    .answer_wrap {
                                        border-top: 1px solid var(--color-mikata-bace-black);
                                        padding: 3rem 4.4rem;
                                        transition: 0.8s ease;
                                        opacity: 0;
                                        background-color: #fff;
                                        @media screen and (max-width: 480px) {
                                            padding: 1.4rem 2rem;
                                        }
                                        p {
                                            font-size: 1.6rem;
                                            line-height: 1.875;
                                            letter-spacing: 0.1em;
                                            font-weight: 300;
                                            @media screen and (max-width: 480px) {
                                                font-size: 1.2rem;
                                                line-height: 1.75;
                                            }
                                        }

                                        ul.download {
                                            font-size: 1.8rem;
                                            line-height: 1.5;
                                            letter-spacing: 0.16em;
                                            @media screen and (max-width: 480px) {
                                                font-size: 1.4rem;
                                                margin-top: 2em;
                                            }

                                            > li {
                                                margin-top: 1em;
                                                a {
                                                    text-decoration: underline;
                                                }
                                            }
                                        }
                                    }
                                    /* Q8 */
                                    &.q8 {
                                        .answer_wrap {
                                            @media screen and (max-width: 480px) {
                                                padding-bottom: 2.8rem;
                                            }
                                            .flex_box {
                                                display: flex;
                                                justify-content: space-between;
                                                align-items: flex-start;
                                                @media screen and (max-width: 480px) {
                                                    flex-direction: column;
                                                    align-items: center;
                                                }
                                                &.box-1 {
                                                    margin-top: 3.6rem;
                                                    @media screen and (max-width: 480px) {
                                                        margin-top: 2.8rem;
                                                        gap: 2.4rem;
                                                    }
                                                    .img_wrap {
                                                        width: 19.6rem;
                                                        padding-left: 1.4rem;
                                                        @media screen and (max-width: 480px) {
                                                            padding-left: 0;
                                                        }
                                                    }
                                                    table {
                                                        width: 39rem;
                                                        font-size: 1.2rem;
                                                        @media screen and (max-width: 480px) {
                                                            font-size: 1rem;
                                                            width: 100%;
                                                        }
                                                        td,
                                                        th {
                                                            border: 1px solid var(--color-mikata-dark-gray);
                                                            text-align: center;
                                                            font-weight: 400;
                                                            padding: 1em 0.5em;
                                                            text-align: center;
                                                        }
                                                        th {
                                                            background-color: #eee;
                                                        }
                                                    }
                                                }
                                                &.box-2 {
                                                    margin-top: 4.6rem;
                                                    gap: 9rem;
                                                    @media screen and (max-width: 480px) {
                                                        margin-top: 3rem;
                                                        gap: 2.9rem;
                                                    }
                                                    .img_wrap {
                                                        width: 27.1rem;
                                                        flex-shrink: 0;
                                                    }
                                                    .text_wrap {
                                                        h5 {
                                                            font-size: 1.6rem;
                                                            letter-spacing: 0.1em;
                                                            font-weight: 400;
                                                            margin-bottom: 0.875em;
                                                            @media screen and (max-width: 480px) {
                                                                font-size: 1.2rem;
                                                            }
                                                        }
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }

                                &.active {
                                    .accordion-header {
                                        .arrow {
                                            &::after {
                                                transform: rotate(0);
                                            }
                                        }
                                    }
                                    .accordion-content {
                                        max-height: 30rem;
                                        .answer_wrap {
                                            opacity: 1;
                                        }
                                        &.q8 {
                                            max-height: 60rem;
                                            @media screen and (max-width: 480px) {
                                                max-height: 80rem;
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}

/* スクロールで画像切り替えする領域の高さ
   → 画像枚数分の100vh確保（4枚なら 400vh） */
.scroll-section {
    height: 300vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    position: relative;
    margin: 9rem 0 12rem;
    @media screen and (max-width: 480px) {
        margin: 4.6rem 0 7rem;
    }

    /* stickyで固定する中央のボックス */
    .fixed-size {
        position: sticky;
        top: calc(50% - 18.1rem); /* 画面中央に表示 */
        width: 80rem;
        height: 44.2rem;
        @media screen and (max-width: 480px) {
            width: 33.5rem;
            height: 45rem;
            top: calc(50% - 22.5rem); /* 画面中央に表示 */
        }

        h5 {
            width: 38rem;
            height: 3.8rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            letter-spacing: 0.14em;
            font-weight: 400;
            background-color: #fff;
            position: absolute;
            top: 0;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 85;
            border: 1px solid var(--color-mikata-dark-gray);
            span {
                display: inline-block;
                padding-left: 0.14em;
            }
            @media screen and (max-width: 480px) {
                font-size: 1.6rem;
                width: 28.8rem;
                height: 3.2rem;
            }
        }

        .img_wrap {
            position: relative;
            z-index: 80;
            /* 画像を重ねる */
            .scroll-image {
                position: absolute;
                inset: 0;
                width: 100%;
                height: 100%;
                object-fit: cover;
                opacity: 0;
                transition: opacity 0.5s ease-out;

                &.active {
                    opacity: 1;
                }
            }
        }
        .footer_text {
            z-index: 83;
            background-color: var(--color-mikata-light-gray);
            color: #fff;
            height: 5.2rem;
            width: 100%;
            position: absolute;
            bottom: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.4rem;
            letter-spacing: 0.12em;
            line-height: 1.3;
            word-break: keep-all;
            text-align: center;
            span {
                display: inline-block;
                padding-left: 0.12em;
            }
            @media screen and (max-width: 480px) {
                font-size: 1.8rem;
                height: 6.6rem;
            }
        }
    }
    .nav-arrows {
        position: absolute;
        width: 100%;
        display: flex;
        justify-content: space-between;
        z-index: 100;
        top: 50%;

        button.arrow {
            background-color: transparent;
            background-image: url(../img/slider-arrow.svg);
            background-size: contain;
            background-repeat: no-repeat;
            border: none;
            width: 2rem;
            aspect-ratio: 14/30;
            font-size: 0;
            cursor: pointer;
            transform: translate(4rem, -50%);
            &.prev {
                transform: scale(-1, 1) translate(4rem, -50%);
            }
            @media screen and (max-width: 480px) {
                width: 1.4rem;
                transform: translate(-1rem, -50%);
                &.prev {
                    transform: scale(-1, 1) translate(-1rem, -50%);
                }
            }
            &:disabled {
                opacity: 0.3;
                cursor: default;
            }
            &:focus {
                outline: 0;
            }
        }
    }
}

@keyframes tabfade {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}
/* 上下にゆっくり動くキーフレーム */
@keyframes floatUpDown {
    0% {
        transform: translate(-50%, 30%);
    }
    50% {
        transform: translate(-50%, 60%);
    }
    100% {
        transform: translate(-50%, 30%); /* 元の位置に戻る */
    }
}

/*--------------------*/
/* 泡のアニメーション */
/*--------------------*/

#bubble_anime {
    margin: 8.2rem auto 9.4rem;
    position: relative;
    width: 65.4rem;
    height: 21.7rem;
    @media screen and (max-width: 480px) {
        margin: 2.4rem auto 6.6rem;
        width: 33.5rem;
        height: 48.8rem;
        border-bottom: 1px solid var(--color-mikata-dark-gray);
    }

    .border,
    .text,
    .bubble {
        position: absolute;
        box-sizing: border-box;
    }
    /* 線 */
    .border {
        height: 0.1rem;
        width: 38.2rem;
        top: 10.8rem;
        left: 12.2rem;
        background-color: #000;
        opacity: 0;
        @media screen and (max-width: 480px) {
            height: 28.9rem;
            width: 1px;
            top: 8.3rem;
            left: 16.7rem;
        }
    }

    /* 文字 */
    .text {
        font-size: 1.6rem;
        opacity: 0;
        transform: translate(0, 0.5rem);
        transition: all 0.5s ease-in;
        letter-spacing: 0.04em;
        @media screen and (max-width: 480px) {
            font-size: 1.3rem;
        }
        small {
            font-size: 0.75em;
        }
        &.keana {
            line-height: 1.75;
            text-align: center;
            left: 5.8rem;
            top: 6.3rem;
            @media screen and (max-width: 480px) {
                left: 12.8rem;
                top: 3.6rem;
            }
        }
        &.micro {
            line-height: 1.3;
            text-align: center;
            left: 25rem;
            top: 0.8rem;
            @media screen and (max-width: 480px) {
                left: 22rem;
                top: 20rem;
                text-align-last: left;
            }
        }
        &.nano {
            line-height: 1.3;
            text-align: center;
            left: 37.4rem;
            top: 0.8rem;
            @media screen and (max-width: 480px) {
                left: 22rem;
                top: 28.6rem;
                text-align-last: left;
            }
        }
        &.mikata {
            line-height: 1.3;
            left: 53rem;
            top: 0.8rem;
            color: #ed8d92;
            &::after {
                content: "";
                display: block;
                position: absolute;
                border-left: 1px solid var(--color-mikata-dark-gray);
                border-top: 1px solid var(--color-mikata-dark-gray);
                width: 1.9rem;
                height: 5.8rem;
                left: -2.6rem;
                top: 50%;
            }
            @media screen and (max-width: 480px) {
                left: 22rem;
                top: 36.1rem;
                text-align-last: left;
                &::after {
                    content: "";
                    border: none;
                    background-color: var(--color-mikata-dark-gray);
                    width: 3rem;
                    height: 1px;
                    left: -4rem;
                    top: 1rem;
                }
            }
        }
    }
    .size {
        position: absolute;
        font-size: 1.6rem;
        bottom: 2rem;
        right: 2.8rem;
        letter-spacing: 0.02em;
        @media screen and (max-width: 480px) {
            font-size: 1.2rem;
            bottom: 5rem;
            right: 0;
        }
    }
    .annotation {
        position: absolute;
        bottom: 0;
        right: 2.8rem;
        font-size: 1.2rem;
        letter-spacing: 0.05em;
        @media screen and (max-width: 480px) {
            font-size: 1.1rem;
            bottom: 3rem;
            right: 0;
        }
    }
    /* 泡 */
    .bubble {
        transform: scale(0);
        aspect-ratio: 1/1;
        box-sizing: border-box;
        border-radius: 9999px;
        &.keana {
            width: 20.9rem;
            border: 0.7rem solid #ddbeac;
            background-color: #e8d2be;
            top: 0.4rem;
            left: 0.2rem;
            @media screen and (max-width: 480px) {
                width: 14.5rem;
                border-width: 0.3rem;
                top: 0;
                left: 9.5rem;
            }
        }
        &.micro {
            width: 10.5rem;
            top: 5.6rem;
            left: 25rem;
            background: #afe7ee;
            background: radial-gradient(circle, rgba(175, 231, 238, 1) 0%, rgba(47, 105, 187, 1) 100%);
            @media screen and (max-width: 480px) {
                width: 7.3rem;
                top: 18rem;
                left: 13.1rem;
            }
        }
        &.nano {
            width: 6.1rem;
            top: 7.8rem;
            left: 39.6rem;
            background: #afe7ee;
            background: radial-gradient(circle, rgba(175, 231, 238, 1) 0%, rgba(64, 140, 214, 1) 100%);
            @media screen and (max-width: 480px) {
                width: 4.3rem;
                top: 28.9rem;
                left: 14.6rem;
            }
        }
        &.mikata {
            width: 1.3rem;
            top: 10.2rem;
            left: 49.7rem;
            background: #d2e3ee;
            background: radial-gradient(circle, rgba(210, 227, 238, 1) 0%, rgba(137, 185, 214, 1) 100%);
            @media screen and (max-width: 480px) {
                width: 0.9rem;
                top: 36.7rem;
                left: 16.3rem;
            }
        }
    }
    /* アニメ開始 */
    &.animate {
        .bubble {
            animation: bubbleZoom 1s ease-out forwards;
        }
        .border {
            animation: lineGrow 2.25s ease-out forwards;
            animation-delay: 0s; /* バブルと同時なら0秒 */
            @media screen and (max-width: 480px) {
                animation: lineGrow-tate 2.25s ease-out forwards;
            }
        }
        .text {
            opacity: 1;
            transform: translate(0, 0);
        }
        .keana {
            animation-delay: 0s;
            transition-delay: 0s;
        }
        .micro {
            animation-delay: 0.75s;
            transition-delay: 0.75s;
        }
        .nano {
            animation-delay: 1.5s;
            transition-delay: 1.5s;
        }
        .mikata {
            animation-delay: 2.25s;
            transition-delay: 2.25s;
        }
    }
}

#bubble_anime {
}

/* アニメーション定義 */
@keyframes bubbleZoom {
    0% {
        transform: scale(0);
    }
    60% {
        transform: scale(1.1); /* 少し大きくして弾む感じ */
    }
    80% {
        transform: scale(0.95); /* 少し戻る */
    }
    100% {
        transform: scale(1); /* 最終状態 */
    }
}

/* 線が伸びるアニメーション */
@keyframes lineGrow {
    0% {
        width: 0;
        opacity: 1;
    }
    100% {
        width: 38.2rem;
        opacity: 1;
    }
}
@keyframes lineGrow-tate {
    0% {
        height: 0;
        opacity: 1;
    }
    100% {
        height: 28.9rem;
        opacity: 1;
    }
}