/* loader.css */
/* ========== Base ========== */
html {
    scrollbar-gutter: stable;
}

body {
    font-family: "Jost", sans-serif;
    font-optical-sizing: auto;
    font-style: normal;
    background: #fff;
    margin: 0;
}

#content {
    opacity: 1;
}

/* main を固定表示するためのスタイル（必須） */
.main-contents {
    position: relative;
    /* 基本は通常フロー */
    z-index: 0;
    /* white-screen(10) の下に回らないよう基準値 */
}

.main-contents.is-fixed {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 0;
    /* 必要なら 5〜9 などに調整（headerは z-index:20） */
}

/* プレースホルダー（JSで差し込むダミー箱） */
.main-placeholder {
    width: 100%;
    height: 0;
    /* JSで高さをセットします */
}


@media (prefers-reduced-motion:reduce) {
    #content {
        opacity: 1;
        transition: none;
    }
}

/* ========== Vars ========== */
:root {
    --counter-speed: 15ms;
    --counter-ease: 1.06;
    --counter-max-step: 360ms;
    --xfade1: 1000ms;
    --xfade1-hold: 0ms;
    --logo-hold: 1000ms;
    --xfade2: 1500ms;
    /* --bg: #ff9b45; */
    --bg: #ffffff;
    --fg: #fff;
    --logo-fade: 800ms;
    --stage-size: 196px;
    --logo-nudge: -5vh;
    --logo-x-nudge: 0px;
    --logo-y-nudge: 0px;
    /* 必要なら白ロゴだけ±で微調整 */
    --logo-exit: 1200ms;
    /* ロゴが拡大しながら消える所要時間 */
    --logo-exit-scale: 1.25;
}


/* 既存セレクタに1行追加（transform-origin） */
.preloader .stage .scene>#logo {
    /* …既存… */
    transform: translate(var(--logo-x-nudge), var(--logo-y-nudge));
    transform-origin: 50% 50%;
    /* ★追加 */
    object-position: calc(50% + var(--logo-x-nudge)) calc(50% + var(--logo-y-nudge));
}

/* 退場アニメ（拡大しながら消える） */
.preloader .stage .scene>#logo.is-exiting {
    opacity: 0;
    transform: translate(var(--logo-x-nudge), var(--logo-y-nudge)) scale(var(--logo-exit-scale));
    transition:
        transform var(--logo-exit) cubic-bezier(.2, .7, .2, 1),
        opacity var(--logo-exit) ease;
}


@media (prefers-reduced-motion:reduce) {
    :root {
        --counter-speed: 0ms;
        --xfade1: 1ms;
        --xfade1-hold: 0ms;
        --xfade2: 1ms;
        --logo-fade: 1ms;
    }
}

/* ===== scroll lock ===== */
html.is-locked,
body.is-locked {
    overflow: hidden;
    height: 100%;
}

body.is-locked {
    position: fixed;
    width: 100%;
}

/* ========== Preloader ========== */
.preloader {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    justify-content: center;
    background: var(--bg);
    color: var(--fg);
    z-index: 9999;
    /* ★ 初期状態は非表示（スキップ時はこのまま） */
    /* opacity: 0; */
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--xfade2) ease;
}

/* ★ ローダーを実際に “動かす” ときだけ JS から付けるクラス */
.preloader.is-active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.preloader.is-hidden {
    opacity: 0;
    pointer-events: none;
}

.preloader__inner {
    display: grid;
    place-items: center;
}

/* 舞台：正方形の基準箱（white-screen のロゴと一致） */
.stage {
    position: relative;
    width: var(--stage-size);
    height: var(--stage-size);
    aspect-ratio: 1/1;
    display: grid;
    place-items: center;
    transform: translateY(var(--logo-nudge));
    will-change: transform;
}

/* 重ねるレイヤー */
.layer {
    position: absolute;
    inset: 0;
    margin: auto;
    opacity: 0;
    transition: opacity var(--xfade1) ease;
    will-change: opacity;
    pointer-events: none;
}

.layer.is-on {
    opacity: 1;
    pointer-events: auto;
}

/* カウンター */
.counter {
    font-variant-numeric: tabular-nums;
    font-size: 60px;
    font-weight: 500;
    letter-spacing: .02em;
    line-height: 1;
    position: absolute;
    inset: 0;
    margin: auto;
    width: var(--stage-size);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--fg);
}

/* ===== コマアニメ（frame + logo） ===== */
.preloader .stage .scene {
    position: relative;
    width: 100%;
    height: 100%;
    display: block;
}

.preloader .stage .scene>.frame,
.preloader .stage .scene>#frame,
.preloader .stage .scene>.logo,
.preloader .stage .scene>#logo {
    position: absolute;
    inset: 0;
    margin: auto;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: 50% 50%;
    display: block;
    pointer-events: none;
    transform: none;
}

.preloader .stage .scene>#frame {
    z-index: 1;
}

.preloader .stage .scene>#logo {
    z-index: 2;
    opacity: 0;
    transition: opacity var(--logo-fade) ease;
    transform: translate(var(--logo-x-nudge), var(--logo-y-nudge));
    object-position: calc(50% + var(--logo-x-nudge)) calc(50% + var(--logo-y-nudge));
}

.preloader .stage .scene>#logo.is-shown {
    opacity: 1 !important;
}

/* ========== 下層（white-screen） ========== */
.white-screen {
    position: relative;
    min-height: 100vh;
    /* 古いブラウザ用のフォールバック */
    min-height: 100dvh;
    /* 新しいブラウザではこちらが優先される */
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    z-index: 10;
}


.logo-orange {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    width: var(--stage-size);
    height: auto;
    transform: translateY(var(--logo-nudge));
    will-change: transform;
    z-index: 12;
}

.index-image {
    width: 100%;
}

/* ====== ヘッダー ====== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 20;
    transform: translateY(-110%);
    transition: transform 520ms cubic-bezier(.2, .7, .2, 1);
    will-change: transform;
}

.site-header.is-in {
    transform: translateY(0);
}

.global-header {
    display: block;
    width: 100%;
    height: auto;
}

@media (prefers-reduced-motion:reduce) {
    .site-header {
        transition: none;
        transform: translateY(0);
    }
}

/* Scroll の位置調整 */
.scrolldown {
    position: absolute;
    min-width: 49px;
    height: 90px;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    color: #000;
    text-align: center;
    z-index: 85;
}

.scroll-btn {
    font-family: jost;
    color: #fff;
    text-decoration: none;
    background: #ff9b45;
    border-radius: 30px;
    padding: 1px 8px;
    font-size: 14px;
    border: 1px solid #ff9b45;
    transition: .3s;
    margin: 0 auto;
}

.scroll-btn:hover {
    color: #ff9b45;
    background: #fff;
}

.scrolldown span::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 55px;
    background: #ff9b45;
    animation: scroll 1.5s ease-in-out infinite;
}

@keyframes scroll {
    0% {
        transform: scale(1, 0);
        transform-origin: 0 0;
        background: #ffac63;
    }

    50% {
        transform: scale(1, 1);
        transform-origin: 0 0;
        background: #ffac63;
    }

    51% {
        transform: scale(1, 1);
        transform-origin: 0 100%;
        background: #ff9130;
    }

    100% {
        transform: scale(1, 0);
        transform-origin: 0 100%;
        background: #ff6600;
    }
}






@media screen and (max-width:1199px) and (min-width:601px) {

    /* カウンター */
    .counter {
        font-variant-numeric: tabular-nums;
        font-size: 50px;
        font-weight: 500;
        letter-spacing: .02em;
        line-height: 1;
        position: absolute;
        inset: 0;
        margin: auto;
        width: 170px;
        display: flex;
        justify-content: center;
        align-items: center;
        color: var(--fg);
    }


    /* ===== コマアニメ（frame + logo） ===== */
    .preloader .stage .scene {
        position: relative;
        width: 170px;
        height: 100%;
        display: block;
    }

    .logo-orange {
        width: 170px;
        height: auto;
    }
}

@media screen and (max-width:600px) {

    /* カウンター */
    .counter {
        font-variant-numeric: tabular-nums;
        font-size: 32px;
        font-weight: 500;
        letter-spacing: .02em;
        line-height: 1;
        position: absolute;
        inset: 0;
        margin: auto;
        width: 100px;
        display: flex;
        justify-content: center;
        align-items: center;
        color: var(--fg);
    }


    /* ===== コマアニメ（frame + logo） ===== */
    .preloader .stage .scene {
        position: relative;
        width: 100px;
        height: 100%;
        display: block;
    }

    .logo-orange {
        width: 100px;
        height: auto;
    }


}


/* ===== トップページ用ヘッダー挙動（white-screen と連動） ===== */
body.home .site-header {
    position: fixed;
    /* 初期状態: 画面の上に完全に隠す */
    top: -140px !important;
    left: 0;
    width: 100%;
    z-index: 20;
    /* transform アニメは使わない */
    transform: none !important;
    transition: top 520ms cubic-bezier(.2, .7, .2, 1);
}

/* JS が .is-in を付けたときだけ画面内に降りてくる */
body.home .site-header.is-in {
    top: 0 !important;
}

@media (prefers-reduced-motion: reduce) {
    body.home .site-header {
        transition: none;
        top: 0 !important;
    }
}

/* white-screen 中はフッターが一瞬チラ見えしないようにするためのクラス */
.site-footer.is-hidden {
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
}