@charset "UTF-8";

/*
変数
----------------------------------------------------------- */

:root {
    --c-text: #2b3a42;
    --c-white: #fff;
    --c-primary: #3f6fa8;
    --c-bg: #f4f9fc;
    --font-base: "Noto Sans JP", sans-serif;
    --font-mincho: "Shippori Mincho", serif;
    --font-kurenaido: "Zen Kurenaido", sans-serif;
    --font-garamond: "Cormorant Garamond", serif;
}

/*
基本設定
----------------------------------------------------------- */

html,
body {
    overflow-x: clip;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-base);
    font-size: 1rem;
    line-height: 1.8;
    color: var(--c-text);
    background: var(--c-white);
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

section {
    width: 100%;
}

.garamond {
    font-family: var(--font-garamond);
}

.container {
    max-width: 1200px;
    margin-inline: auto;
    padding-inline: 0.9375rem;
}

.sec-ttl {
    font-family: var(--font-mincho);
    font-size: 2.222rem;
    margin-bottom: 1.5rem;
}

/*
ローディング
----------------------------------------------------------- */

.loading {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: var(--c-white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.9s ease;
}

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

.loading-logo {
    font-family: var(--font-mincho);
    font-size: 1.778rem;
    color: var(--c-white);
    opacity: 0;
    transition: opacity 0.8s ease;
}

.loading-logo.is-visible {
    opacity: 1;
}

/*
HEADER
----------------------------------------------------------- */

.header {
    width: 100%;
    height: 4.375rem;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
}

.header::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(6px);
}

.header-inner {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.333rem;
    font-family: var(--font-mincho);
    color: var(--c-primary);
}

.header-nav ul {
    display: flex;
    gap: 2rem;
}

.header-nav a {
    font-family: var(--font-kurenaido);
    font-size: 0.833rem;
    letter-spacing: 0.05em;
    position: relative;
    padding-bottom: 0.25rem;
}

.header-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 1px;
    background: var(--c-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s ease;
}

.header-nav a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* ハンバーガー */
.menu {
    display: none;
    position: fixed;
    top: 1.125rem;
    right: 1.125rem;
    width: 2.75rem;
    height: 2.75rem;
    z-index: 10001;
    background: none;
    border: none;
    cursor: pointer;
}

.menu span {
    position: absolute;
    left: 0.5rem;
    width: 1.75rem;
    height: 2px;
    background: var(--c-text);
    transition: 0.3s;
}

.menu span:nth-child(1) {
    top: 0.875rem;
}

.menu span:nth-child(2) {
    top: 1.375rem;
}

.menu span:nth-child(3) {
    top: 1.875rem;
}

body.open .menu span:nth-child(1) {
    top: 1.375rem;
    transform: rotate(45deg);
}

body.open .menu span:nth-child(2) {
    opacity: 0;
}

body.open .menu span:nth-child(3) {
    top: 1.375rem;
    transform: rotate(-45deg);
}

/* ドロワー */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    pointer-events: none;
    transition: 0.3s;
    z-index: 9998;
}

.drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: 16rem;
    max-width: 80%;
    height: 100%;
    background-color: var(--c-white);
    z-index: 10000;
    transition: 0.4s;
    padding-top: 6rem;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
}

.drawer ul {
    display: flex;
    flex-direction: column;
}

.drawer a {
    display: block;
    padding: 1rem 2rem;
    font-family: var(--font-kurenaido);
    font-size: 1rem;
    transition: background 0.3s, padding-left 0.3s;
}

.drawer a:hover {
    background: var(--c-bg);
    padding-left: 2.5rem;
}

body.open .nav-overlay {
    opacity: 1;
    pointer-events: auto;
}

body.open .drawer {
    right: 0;
}

/*
sec-01（MV）
----------------------------------------------------------- */

.sec-01 {
    margin-top: 4.375rem;
    position: relative;
    height: 100vh;
    overflow: hidden;
}

.sec-01-movie,
.sec-01-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    opacity: 1;
    transition: opacity 1.2s ease;
}

.sec-01-movie video,
.sec-01-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sec-01-bg {
    opacity: 0;
}

.sec-01-bg.is-active {
    opacity: 1;
}

.sec-01-movie.is-hidden {
    opacity: 0;
}

.sec-01-bg img {
    animation: kenBurns 18s ease-in-out infinite alternate;
}

@keyframes kenBurns {
    0% {
        transform: scale(1) translate(0, 0);
    }

    100% {
        transform: scale(1.15) translate(-2%, -2%);
    }
}


/*
sec-02（CONCEPT）
----------------------------------------------------------- */

.sec-02 {
    position: relative;
    padding: 6rem 0;
}

.sec-02-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

.sec-02-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 3.75rem;
}

.sec-02-text {
    width: 43%;
}

.sec-02-text p {
    font-size: 1rem;
    line-height: 2.2;
}

.sec-02-movie {
    width: 60%;
    aspect-ratio: 5 / 3;
    flex-shrink: 0;
}

.sec-02-movie video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/*
sec-03（ITEM）
----------------------------------------------------------- */

.sec-03 {
    padding: 6rem 0;
}

#item1,
#item2,
#item3 {
    padding: 3.75rem 2.5rem;
}

#item1 {
    background-color: #fff6f8;
}

#item2 {
    background-color: #fff8f0;
}

#item3 {
    background-color: #f3f5fa;
}

.sec-03-list {
    display: flex;
    flex-direction: column;
    gap: 6rem;
}

.sec-03-item-inner {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
    overflow: hidden;
}

.sec-03-item--rev .sec-03-item-inner {
    flex-direction: row-reverse;
}

.sec-03-side {
    writing-mode: vertical-rl;
    font-family: var(--font-kurenaido);
    font-size: 2.222rem;
    flex-shrink: 0;
}

.sec-03-item-inner img {
    width: 100%;
    max-width: 800px;
    aspect-ratio: 1200 / 890;
    object-fit: cover;
    transition: transform 0.6s ease, filter 0.6s ease;
}

.sec-03-item:hover .sec-03-item-inner img {
    transform: scale(1.04);
    filter: brightness(1.05);
}

.sec-03-desc {
    margin-top: 1.75rem;
    text-align: center;
}

.sec-03-title {
    font-size: 1.333rem;
    font-family: var(--font-mincho);
    margin-bottom: 0.75rem;
}

.sec-03-text {
    font-size: 1rem;
    font-family: var(--font-mincho);
    line-height: 2;
}

.sec-03-btn {
    display: inline-block;
    margin-top: 1.25rem;
    padding: 0.75rem 2.5rem;
    border: 1px solid var(--c-primary);
    background: rgba(255, 255, 255, 0.8);
    font-family: var(--font-mincho);
    font-size: 0.889rem;
    letter-spacing: 0.12em;
    transition: all 0.4s ease;
}

/* ホバー制御（PCのみ） */
@media (hover: hover) and (pointer: fine) {
    .sec-03-btn:hover {
        background: var(--c-primary);
        color: var(--c-white);
        transform: translateY(-4px);
        box-shadow: 0 10px 25px rgba(63, 111, 168, 0.25);
    }
}

/*
sec-04（BRAND）
----------------------------------------------------------- */

.sec-04 {
    position: relative;
    padding-top: 8rem;
}

.sec-04-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

.sec-04-inner {
    text-align: center;
}

/* ブランドアイテム並び（スライダーは使わずシンプルに横並び・wrapper幅で均等3分割） */
.sec-04-list {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    margin-bottom: 4rem;
}

.sec-04-item {
    width: 0;
    flex: 1 1 0;
    cursor: pointer;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
    transition: transform 0.4s ease, box-shadow 0.4s ease, filter 0.4s ease;
    animation: brandFloat 6s ease-in-out infinite;
}

@keyframes brandFloat {
    0% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
    100% { transform: translateY(0); }
}

/* ホバー制御（PCのみ） */
@media (hover: hover) and (pointer: fine) {
    .sec-04-item:hover {
        transform: translateY(-14px) scale(1.07);
        filter: brightness(1.1);
        box-shadow: 0 20px 45px rgba(0, 0, 0, 0.25);
    }
}

.sec-04-text {
    margin-top: 4rem;
    font-size: 1.333rem;
    font-family: var(--font-mincho);
    padding-bottom: 4rem;
}

.sec-04-btm-image {
    line-height: 0;
    text-align: center;
}

.sec-04-btm-image img {
    width: 60%;
    margin-inline: auto;
}

/*
sec-05（LOOP）
----------------------------------------------------------- */

.sec-05 {
    padding: 6rem 0 4rem;
    overflow: hidden;
}

.sec-05-text {
    max-width: 1170px;
    margin-inline: auto;
    padding-inline: 0.9375rem;
    font-size: 1.333rem;
    font-family: var(--font-mincho);
    color: var(--c-text);
}

.sec-05-text:first-of-type {
    margin-bottom: 2.5rem;
}

.sec-05-text:last-of-type {
    margin-top: 2.5rem;
    text-align: right;
}

.sec-05-slider {
    width: 100%;
}

.sec-05-slider .swiper-wrapper {
    align-items: center;
}

.sec-05-slider .swiper-slide {
    width: 500px !important;
    height: 600px !important;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

.sec-05-slide-text {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 1.25rem;
}

.sec-05-slide-text-inner {
    writing-mode: vertical-rl;
    color: var(--c-white);
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}

.sec-05-slider img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sec-05-slider .swiper-slide::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.25);
}

.sec-05-slide-ttl {
    font-family: var(--font-mincho);
    font-weight: 700;
    font-size: 3.556rem;
}

.sec-05-slide-lead {
    font-family: var(--font-mincho);
    font-size: 1.667rem;
    line-height: 2;
}

/*
FOOTER
----------------------------------------------------------- */

.footer {
    padding: 2.5rem 0;
    text-align: center;
}

.copyright {
    font-size: 0.722rem;
    font-family: var(--font-garamond);
}

/*
PAGETOP
----------------------------------------------------------- */

.pagetop {
    position: fixed;
    right: 1.5rem;
    bottom: 1.5rem;
    width: 3rem;
    height: 3rem;
    background: var(--c-primary);
    color: var(--c-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s, transform 0.3s, background 0.3s;
    z-index: 100;
}

.pagetop:hover {
    background: var(--c-text);
    transform: translateY(-4px);
}

.pagetop.is-visible {
    opacity: 1;
    pointer-events: auto;
}

/*
フェードアップ
----------------------------------------------------------- */

.f-up {
    opacity: 0;
    transform: translateY(40px);
    transition: 0.8s ease;
}

.f-up.fadeup {
    opacity: 1;
    transform: translateY(0);
}

/*
MOVIE MODAL
----------------------------------------------------------- */

.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 10002;
}

.modal video {
    width: 80%;
    max-width: 1000px;
}

/*
SPEC MODAL
----------------------------------------------------------- */

.spec-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.88);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10003;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.spec-modal.is-active {
    opacity: 1;
    visibility: visible;
}

.spec-modal-box {
    width: 90%;
    max-width: 1200px;
}

.spec-modal-box img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

/*
レスポンシブ
----------------------------------------------------------- */

@media (max-width: 1199px) {
    .container {
        max-width: 100%;
    }

    .sec-02-inner {
        flex-direction: column;
        gap: 2.5rem;
    }

    .sec-02-text,
    .sec-02-movie {
        width: 100%;
    }

    .sec-03-side {
        font-size: 1.556rem;
    }
}

@media (min-width: 768px) and (max-width: 1199px) {
    .sec-01 {
        height: 56.25vw;
        max-height: 100vh;
    }

    .sec-04-btm-image img {
        width: 80%;
    }
}

@media (max-width: 767px) {

    .header-nav {
        display: none;
    }

    .menu {
        display: block;
    }

    .sec-ttl {
        font-size: 1.667rem;
    }

    .sec-01 {
        height: 56.25vw;
        max-height: 100vh;
    }

    .sec-02,
    .sec-03,
    .sec-05 {
        padding: 3.75rem 0;
    }

    .sec-04 {
        padding-top: 3.75rem;
    }

    .sec-02-text p {
        font-size: 0.889rem;
    }

    #item1,
    #item2,
    #item3 {
        padding: 2.5rem 1.25rem;
    }

    .sec-03-list {
        gap: 3.75rem;
    }

    .sec-03-item-inner,
    .sec-03-item--rev .sec-03-item-inner {
        flex-direction: column;
        gap: 1.25rem;
    }

    .sec-03-side {
        writing-mode: horizontal-tb;
        font-size: 1.111rem;
    }

    .sec-03-title {
        font-size: 1.111rem;
    }

    .sec-03-text {
        font-size: 0.889rem;
    }

    .sec-03-btn {
        padding: 0.625rem 2rem;
        font-size: 0.778rem;
    }

    .sec-04-list {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
        margin-bottom: 2.5rem;
    }

    .sec-04-item {
        width: 70%;
    }

    .sec-04-text {
        font-size: 1.111rem;
        margin-top: 2.5rem;
    }

    .sec-04-btm-image img {
        width: 80%;
    }

    .sec-05-text {
        font-size: 1rem;
    }

    .sec-05-slider .swiper-slide {
        width: 280px !important;
        height: 336px !important;
        flex-shrink: 0;
        position: relative;
        overflow: hidden;
    }

    .sec-05-slide-ttl {
        font-size: 2rem;
    }

    .sec-05-slide-lead {
        font-size: 1rem;
        line-height: 1.8;
    }

    .pagetop {
        right: 1rem;
        bottom: 1rem;
        width: 2.75rem;
        height: 2.75rem;
    }
}