/* ==============================
    FV (front page only)
    参考: https://picnicmotel.gar-ten.com/ のFVで、
    スクロールに応じて写真が中央で縮小し、
    左から右へ線が流れながら裏の見出し文字（SERVICE）が
    現れる演出の考え方を、ACWのブランドトーンで再構築したもの。
    GSAP/ScrollTrigger等の外部ライブラリやscroll-jackなしで、
    スクロール位置の読み取りとfixed/absoluteの切り替えのみで実装している
============================== */
#fv { position: relative; z-index: 1; }
@media (min-width: 768px) {
    #fv { height: calc(100svh + 180vh); }
}

#fv .p-fv__pin {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1;
    width: 100%;
    height: 100svh;
    overflow: hidden;
}
#fv .p-fv__pin.is-past { position: absolute; top: auto; bottom: 0; }

/* 写真の裏に隠れている見出し。box側のwipeと連動して左から右へ現れる */
#fv .p-fv__reveal {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
}
#fv .p-fv__reveal-text {
    text-align: center;
    margin: 0;
    font-family: var(--font-en);
    font-weight: 500;
    font-size: clamp(2.6rem, 7.4vw, 3.4rem);
    letter-spacing: .06em;
    color: var(--color-text);
    clip-path: inset(0 calc((1 - var(--acw-fv-wipe, 0)) * 100%) 0 0);
}

/* スクロールにあわせて縮小し、後半で左から右へ消えていく写真の箱 */
#fv .p-fv__box {
    position: absolute;
    inset: 0;
    z-index: 2;
    transform: scale(calc(1 - var(--acw-fv-shrink, 0) * .58));
    clip-path: inset(0 0 0 calc(var(--acw-fv-wipe, 0) * 100%));
}

#fv .p-fv__wipe-line {
    position: absolute;
    top: 0;
    bottom: 0;
    left: calc(var(--acw-fv-wipe, 0) * 100%);
    z-index: 4;
    width: 2px;
    background: #fff;
    opacity: var(--acw-fv-wipe, 0);
    pointer-events: none;
}

#fv .p-fv__media { position: absolute; inset: 0; z-index: 0; overflow: hidden; width: 100%; height: 100%; }

#fv .p-fv__fallback {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(203, 222, 167, .92), rgba(155, 203, 205, .82) 55%, rgba(225, 169, 161, .76));
}

#fv .p-fv__video {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: var(--fv-object-position-x, 50%) var(--fv-object-position-y, 50%);
    opacity: 0;
    transform: scale(1.04);
    transition: opacity .6s ease;
}
#fv.is-loaded .p-fv__video { opacity: 1; animation: fv-video-in 1.8s ease forwards; }
#fv.is-error .p-fv__video { display: none; }

@keyframes fv-video-in { to { transform: scale(1); } }

#fv .p-fv__overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    background: linear-gradient(90deg, rgba(20, 30, 30, .5) 0%, rgba(20, 30, 30, .18) 55%, rgba(20, 30, 30, .08) 100%);
    opacity: calc(1 - var(--acw-fv-fade, 0));
}

#fv .p-fv__inner {
    position: relative;
    z-index: 3;
    width: 100%;
    min-height: 100svh;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    padding: clamp(100px, 14vh, 160px) clamp(24px, 6vw, 110px) clamp(80px, 13vh, 170px);
    opacity: calc(1 - var(--acw-fv-fade, 0));
}

#fv .p-fv__copy { max-width: 900px; color: #fff; }
#fv .p-fv__title {
    margin: 0 0 26px;
    font-family: var(--font-en);
    font-size: clamp(2.8rem, 7vw, 7.2rem);
    font-weight: 500;
    line-height: .95;
    letter-spacing: -.01em;
}
#fv .p-fv__title > span { display: block; overflow: hidden; }
#fv .p-fv__title > span > span { display: inline-block; }
#fv .p-fv__lead {
    max-width: 34em;
    margin: 0;
    color: rgba(255, 255, 255);
    font-size: clamp(13px, 1.15vw, 16px);
    line-height: 2.2;
    letter-spacing: .08em;
    font-weight: 300;
}

#fv .p-fv__scroll {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    color: #fff;
    font: 400 10px/1 var(--font-en);
    letter-spacing: .34em;
    text-transform: uppercase;
}
#fv .p-fv__scroll-line { position: relative; display: block; width: 1px; height: 72px; overflow: hidden; background-color: rgba(255, 255, 255, .35); }
#fv .p-fv__scroll-line::after {
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 100%;
    content: "";
    background-color: #fff;
    animation: fv-scroll-line 2.2s ease-in-out infinite;
}
@keyframes fv-scroll-line { 0% { transform: translateY(0); } 100% { transform: translateY(200%); } }

/* 初回表示アニメーション（動画→見出し→リード→SCROLL→ヘッダーの順） */
#fv .p-fv__title > span:first-child > span { opacity: 0; animation: acw-rise 1.1s .3s var(--easing) forwards; }
#fv .p-fv__title > span:last-child > span { opacity: 0; animation: acw-rise 1.1s .45s var(--easing) forwards; }
#fv .p-fv__lead { opacity: 0; animation: acw-fade 1.1s .65s ease forwards; }
#fv .p-fv__scroll { opacity: 0; animation: acw-fade 1s .8s ease forwards; }

/* FV上ではヘッダーを透明にし、スクロール後に既存の通常表示へ切り替える */
body.front-page .l-header {
    background: transparent;
    border-bottom-color: transparent;
    backdrop-filter: none;
    opacity: 0;
    animation: acw-fade 1s 1.1s ease forwards;
    transition: background .4s ease, border-color .4s ease, backdrop-filter .4s ease;
}
body.front-page .l-header.is-scrolled {
    background: rgba(253, 252, 250, .76);
    border-bottom-color: rgba(36, 38, 37, .06);
    backdrop-filter: blur(14px);
}
body.front-page .l-header:not(.is-scrolled) .l-header__menu,
body.front-page .l-header:not(.is-scrolled) .l-header__toggle span:not(.screen-reader-text) {
    color: #fff;
}
body.front-page .l-header:not(.is-scrolled) .l-header__toggle span:not(.screen-reader-text) { background-color: #fff; }
body.front-page .l-header:not(.is-scrolled) .l-header__logo-img--dark { display: none; }
body.front-page .l-header:not(.is-scrolled) .l-header__logo-img--light { display: block; }
body.front-page .l-header:not(.is-scrolled) .c-search_button { color: #fff; border-color: #fff; }

@media (max-width: 767px) {
    #fv { height: auto; }
    #fv .p-fv__pin { position: relative; height: 100svh; }
    #fv .p-fv__reveal,
    #fv .p-fv__wipe-line { display: none; }
    #fv .p-fv__box { transform: none; clip-path: none; }
    #fv .p-fv__overlay,
    #fv .p-fv__inner { opacity: 1; }
    #fv .p-fv__inner { flex-direction: column; align-items: flex-start; gap: 40px; padding: 100px 24px 48px; }
    #fv .p-fv__title { font-size: clamp(2.2rem, 11vw, 4rem); }
    #fv .p-fv__video { object-position: 60% center; }
    #fv .p-fv__scroll-line { height: 48px; }
}

@media (prefers-reduced-motion: reduce) {
    #fv { height: auto; }
    #fv .p-fv__pin { position: relative; height: 100svh; }
    #fv .p-fv__reveal,
    #fv .p-fv__wipe-line { display: none; }
    #fv .p-fv__box { transform: none; clip-path: none; }
    #fv .p-fv__overlay,
    #fv .p-fv__inner { opacity: 1; }
    #fv .p-fv__video { opacity: 1; transform: none; animation: none; transition: none; }
    #fv .p-fv__scroll-line::after { animation: none; }
}

/* ==============================
    GALLERY (front page only, CONCEPTの直前)
    参考: https://kanazawa-c.co.jp/ の class="top-field" の
    「中央の写真がスクロールにあわせて画面いっぱいへ広がり、
    周囲の4枚が外へ抜けていく」動きの考え方を、
    GSAP/ScrollTrigger等の外部ライブラリやscroll-jackなしで、
    スクロール位置の読み取りとfixed/absoluteの切り替えのみで再構築したもの
============================== */
#gallery { position: relative; z-index: 1; }
@media (min-width: 768px) {
    #gallery { height: calc(100svh + 70vh); }
}

#gallery .p-gallery__pin {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    width: 100%;
    height: 100svh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
}
/* position: stickyのcontaining block周りの挙動に依存せず、
   JS側でスクロール位置を読み取り確実に固定させるための3状態切り替え
   （before: #galleryの先頭にabsoluteで待機／pinned: fixedで画面に固定／
   past: #galleryの末尾にabsoluteで着地し、以降は通常スクロールで流れていく） */
#gallery .p-gallery__pin.is-pinned { position: fixed; top: 0; }
#gallery .p-gallery__pin.is-past { position: absolute; top: auto; bottom: 0; }

#gallery .p-gallery__inner {
    position: relative;
    width: min(100%, 1400px);
    margin-inline: auto;
    padding-inline: var(--side);
    display: flex;
    align-items: center;
    justify-content: center;
}

#gallery .p-gallery__wrap {
    position: relative;
    aspect-ratio: 16 / 9;
    width: calc(36% + var(--acw-gallery-p, 0) * 64%);
}

#gallery .p-gallery__img {
    position: absolute;
    overflow: hidden;
    border-radius: var(--radius);
    box-shadow: 0 26px 60px rgba(36, 38, 37, .12);
}
#gallery .p-gallery__img img { display: block; width: 100%; height: 100%; object-fit: cover; }

#gallery .p-gallery__img--center {
    left: 50%;
    top: 50%;
    width: 100%;
    aspect-ratio: 16 / 9;
    transform: translate(-50%, -50%);
    z-index: 3;
}
#gallery .p-gallery__img--left-top { left: -46%; top: -102.4%; width: 80%; z-index: 2; }
#gallery .p-gallery__img--right-top { left: 101.6%; top: -14%; width: 53%; z-index: 2; }
#gallery .p-gallery__img--left-bottom { left: -54.7%; top: 56%; width: 53%; z-index: 2; }
#gallery .p-gallery__img--right-bottom { left: 60%; top: 102.4%; width: 80%; z-index: 2; }

@media (max-width: 767px) {
    #gallery { height: auto; }
    #gallery .p-gallery__pin { position: static; height: auto; padding-block: clamp(48px, 10vw, 80px); }
    #gallery .p-gallery__wrap { width: 100%; }
    #gallery .p-gallery__img--left-top,
    #gallery .p-gallery__img--right-top,
    #gallery .p-gallery__img--left-bottom,
    #gallery .p-gallery__img--right-bottom { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    #gallery { height: auto; }
    #gallery .p-gallery__pin { position: static; height: 100svh; }
    #gallery .p-gallery__wrap { width: 100%; }
}

/* ==============================
   SERVICE
   参考: 同一MAMP内 acw-a サイト（asw-aテーマ）のSERVICE実装。
   ページ全体で共有するJS制御のpin/stackはやめ、1サービス＝1記事の
   中だけで完結する、ごく普通のposition: stickyに統一する。
   各記事は通常のドキュメントフローに置かれたままで、
   テキスト列のほうが動画列より背が高いぶんだけ、動画がその記事の
   中だけで画面上部に留まり続け、テキストを読み終えると次の記事へ
   自然に引き継がれる（JS制御・scroll-jackは一切不要）
============================== */

#service {
    position: relative;
    padding-block: 0;
}

#service .p-service__heading {
    padding-block: clamp(80px, 10vw, 140px);
}

#service .p-service__block {
    position: relative;
    width: 100%;
    border-top: 1px solid rgba(36, 38, 37, .1);
}
#service .p-service__block:first-of-type {
    border-top: 0;
}

#service .p-service__block--green { background-color: #EEF6E0; }
#service .p-service__block--aqua { background-color: #EAF7F8; }
#service .p-service__block--coral { background-color: #F9E8E5; }
#service .p-service__block--blue { background-color: #E6F1FA; }

#service .p-service__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
    gap: clamp(40px, 6vw, 100px);
    width: 100%;
    padding-block: clamp(80px, 9vw, 130px);
    box-sizing: border-box;
}

#service .p-service__media {
    min-width: 0;
}

/* [data-reveal]のグローバルなtransform（フェードイン用）が
   position: stickyな要素自身にかかると固定がうまく働かないため、
   固定表示させたい要素はtransformを常にnoneにし、opacityの
   フェードのみを使う */
#service .p-service__media[data-reveal] {
    transform: none;
}

@media (min-width: 961px) {
    #service .p-service__media {
        position: sticky;
        top: clamp(96px, 12vh, 140px);
    }
}

#service .p-service__video {
    position: relative;
    width: 100%;
    height: min(72svh, 820px);
    overflow: hidden;
    border-radius: var(--radius);
    background: rgba(36, 38, 37, .06);
    box-shadow: 0 26px 60px rgba(36, 38, 37, .08);
}

#service .p-service__video video {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

#service .p-service__content {
    min-width: 0;
}

#service .p-service__en {
    margin-bottom: 18px;
    color: rgba(36, 38, 37, .55);
    font: 400 11px/1 var(--font-en);
    letter-spacing: .32em;
    text-transform: uppercase;
}

#service .p-service__content h3 {
    margin-bottom: 18px;
    font-family: var(--font-ja-title);
    font-size: clamp(22px, 2.2vw, 34px);
    font-weight: 500;
    line-height: 1.65;
    letter-spacing: .05em;
}

#service .p-service__brand {
    margin-bottom: clamp(24px, 3vw, 36px);
    color: var(--color-text);
    font: 400 clamp(22px, 2.2vw, 32px)/1.4 var(--font-en);
    letter-spacing: .12em;
}

#service .p-service__subtitle {
    max-width: 46em;
    margin: 0 0 clamp(16px, 2vw, 24px);
    color: var(--color-text);
    font-size: 15px;
    font-weight: 500;
    line-height: 1.8;
    letter-spacing: .06em;
}

#service .p-service__text {
    max-width: 46em;
    margin-bottom: clamp(26px, 3.2vw, 40px);
    color: #41463f;
    font-size: 14px;
    font-weight: 300;
    line-height: 2.3;
    letter-spacing: .08em;
}

#service .p-service__details {
    margin-bottom: clamp(28px, 3.2vw, 42px);
}

#service .p-service__details > div {
    display: flex;
    gap: 16px;
    padding: 14px 0;
    border-top: 1px solid rgba(36, 38, 37, .12);
}

#service .p-service__details > div:last-child {
    border-bottom: 1px solid rgba(36, 38, 37, .12);
}

#service .p-service__details dt {
    flex: 0 0 9em;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: .08em;
}

#service .p-service__details dd {
    color: var(--color-subtext);
    font-size: 12px;
    line-height: 2;
}

#service .p-service__details dd ul {
    display: grid;
    gap: 4px;
}

#service .p-service__details dd li {
    position: relative;
    padding-left: 14px;
}

#service .p-service__details dd li::before {
    position: absolute;
    left: 0;
    content: "-";
}

#service .p-service__tags {
    margin-bottom: clamp(28px, 3.2vw, 42px);
}

#service .p-service__tags li {
    position: relative;
    padding: 14px 0 14px 14px;
    border-top: 1px solid rgba(36, 38, 37, .12);
    color: var(--color-subtext);
    font-size: 12px;
    letter-spacing: .08em;
}

#service .p-service__tags li:last-child {
    border-bottom: 1px solid rgba(36, 38, 37, .12);
}

#service .p-service__tags li::before {
    position: absolute;
    left: 0;
    content: "-";
}

#service .p-service__brands {
    display: grid;
    gap: 14px;
    margin-bottom: clamp(28px, 3.2vw, 42px);
}

#service .p-service__brand-item {
    padding: 20px 22px;
    border: 1px solid rgba(36, 38, 37, .08);
    border-radius: 14px;
    background: rgba(255, 255, 255, .55);
}

#service .p-service__brand-category {
    margin-bottom: 6px;
    color: #3f6b6d;
    font: 400 10px/1 var(--font-en);
    letter-spacing: .28em;
    text-transform: uppercase;
}

#service .p-service__brand-item h4 {
    margin-bottom: 8px;
    font: 400 20px/1.3 var(--font-en);
    letter-spacing: .08em;
}

#service .p-service__brand-tagline {
    margin-bottom: 8px;
    color: #2f4f52;
    font-size: 13.5px;
    font-weight: 500;
    letter-spacing: .04em;
}

#service .p-service__brand-text {
    margin-bottom: 12px;
    color: #41463f;
    font-size: 12.5px;
    line-height: 1.9;
}

#service .p-service__brand-item a {
    display: inline-block;
    padding-bottom: 3px;
    border-bottom: 1px solid rgba(36, 38, 37, .3);
    font-size: 11px;
    letter-spacing: .12em;
}

#service .p-service__brand-badge {
    display: inline-block;
    color: var(--color-subtext);
    font-size: 11px;
    letter-spacing: .12em;
}


#service .p-service__block--blue .p-service__content h3,
#service .p-service__block--blue .p-service__subtitle,
#service .p-service__block--blue .p-service__brand {
    /* color: #fff; */
}

#service .p-service__block--blue .p-service__text {
    /* color: rgba(255, 255, 255, .85); */
}

#service .p-service__block--blue .c-text-link {
    /* color: #fff;
    border-color: rgba(255, 255, 255, .4); */
}

#service .p-service__block {
    transform: none;
}

@media (max-width: 960px) {
    #service .p-service__media {
        position: static;
        top: auto;
    }

    #service .p-service__grid {
        grid-template-columns: 1fr;
        padding-block: clamp(56px, 10vw, 96px);
    }

    #service .p-service__video {
        height: auto;
        aspect-ratio: 4 / 3;
    }
}

@media (max-width: 767px) {
    #service .p-service__heading {
        padding-block: 80px;
    }

    #service .p-service__grid {
        gap: 40px;
        padding-block: 64px;
    }

    #service .p-service__details > div {
        display: grid;
        gap: 8px;
    }

    #service .p-service__details dt {
        flex-basis: auto;
    }
}

@media (prefers-reduced-motion: reduce) {
    #service .p-service__media {
        position: static;
        top: auto;
    }
}

/* ==============================
    TOPICS (front page only)
    参考: https://picnicmotel.gar-ten.com/ の class="p-gallery__inner"。
    Swiper.js（CDN）で、中央のカードを大きく／左右のカードを
    縮小・減光しながら無限ループで横スクロールする仕様を再現する。
    loop:true + centeredSlides:true をSwiper本体に任せ、
    参考サイトのような手動でのスライド複製（REPEAT_COUNT）は行わない
============================== */
#topics .p-topics__slider-outer {
    position: relative;
    margin-top: clamp(44px, 5.5vw, 76px);
}

#topics .p-topics__slider {
    overflow: hidden;
    padding-block: 6px 14px;
}

#topics .swiper-slide {
    height: auto;
    opacity: .5;
    transform: scale(.88);
    transition: transform .6s var(--easing), opacity .6s var(--easing);
}

#topics .swiper-slide-active {
    opacity: 1;
    transform: scale(1);
}

#topics .p-topic-card { height: 100%; }
#topics .p-topic-card a { display: block; }

#topics .p-topics__nav {
    display: flex;
    justify-content: flex-end;
    gap: 14px;
    margin-top: clamp(20px, 2.6vw, 32px);
}

#topics .p-topics__nav-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 1px solid rgba(36, 38, 37, .16);
    background: #fff;
    color: var(--color-text);
    cursor: pointer;
    transition: background .3s ease, color .3s ease, border-color .3s ease, transform .3s ease;
}

#topics .p-topics__nav-btn:hover {
    background: var(--color-text);
    border-color: var(--color-text);
    color: #fff;
    transform: translateY(-2px);
}

@media (min-width: 768px) {
    #topics .swiper-slide { width: 62%; }
}

@media (max-width: 767px) {
    #topics .swiper-slide { width: 84%; }
    #topics .p-topics__nav-btn { width: 44px; height: 44px; }
}

@media (prefers-reduced-motion: reduce) {
    #topics .swiper-slide {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/*
 background
-----------------------------------------------------*/
.p-concept,
.p-contact,
.p-fv .js-f {
    position: relative;
    isolation: isolate;
}

.p-concept::before,
.p-contact:before,
#fv .p-fv__reveal:before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;

    background:
        radial-gradient(circle at 82% 15%,
            rgba(247,220,216,.95) 0%,
            transparent 58%),

        radial-gradient(circle at 60% 70%,
            rgba(247,220,216,.65) 0%,
            transparent 72%),

        radial-gradient(circle at 15% 15%,
            rgba(236,245,220,.92) 0%,
            transparent 60%),

        radial-gradient(circle at 18% 85%,
            rgba(236,245,220,.60) 0%,
            transparent 68%),

        radial-gradient(circle at 86% 82%,
            rgba(224,244,246,.90) 0%,
            transparent 60%),

        radial-gradient(circle at 48% 42%,
            rgba(224,244,246,.55) 0%,
            transparent 72%),

        #ffffff;

    background-size: 140% 140%;
    animation: conceptGradient 22s ease-in-out infinite alternate;
    filter: blur(18px);
}