@charset "UTF-8";

/* --- CSS 変数 --- */
:root {
    --hero-height: 100vh;
    --header-width: 100%;
    --header-padding-v: 35px;
    --header-padding-h: 40px;
    --container-width: min(90vw, 1400px);
    --concept-image-width: clamp(240px, 30vw, 400px);
    --concept-gap: clamp(20px, 6vw, 80px);
    --nav-gap: 40px;
    --nav-font-size: 15px;
    --color-text-hero: #fff;
    --color-bg-light: #fff;
    --color-bg-dark: #4f4f4f;
    --section-margin-bottom: 0;
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    scrollbar-width: none;
    -ms-overflow-style: none;
    overflow-x: hidden;
    font-family: sans-serif;
    color: #333;
    line-height: 1.6;
}
body::-webkit-scrollbar {
    display: none;
}

.container, .p-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Hero Section --- */
.p-hero {
    position: relative;
    height: var(--hero-height);
    background-image: url('img/Hero.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--color-text-hero);
    z-index: 1;
}

.l-header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 10;
}

.l-header__inner {
    max-width: var(--header-width);
    margin: 0 auto;
    padding: var(--header-padding-v) var(--header-padding-h);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.logo a {
    color: var(--color-text-hero);
    text-decoration: none;
}

.logo-mark {
    width: 200px;
    height: 65px;
    display: block;
}

/* ==========================================================================
    (ABOUT & PRODUCT)
   ========================================================================== */
.p-concept,
.p-product {
    padding-top: 150px;
    padding-bottom: 150px;
    padding-left: clamp(20px, 5vw, 40px);
    padding-right: clamp(20px, 5vw, 40px);
    margin-bottom: var(--section-margin-bottom);
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

/* ==========================================================================
    Project: CONCEPT Section (ABOUT)
   ========================================================================== */
.p-concept__header {
    display: flex;
    align-items: center;
    margin-bottom: 80px;
}
.p-concept__title {
    font-size: 16px;
    letter-spacing: 0.1em;
    color: #333;
    font-weight: bold;
}
.p-concept__header-line {
    flex-grow: 1;
    height: 1px;
    background-color: #333;
    margin-left: 150px;
}

.p-concept__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    row-gap: 120px;
    column-gap: 8vw;
    align-items: stretch;
}

.p-concept__text-block { display: flex; flex-direction: column; justify-content: center; height: 100%; margin-top: 0; align-items: flex-start; text-align: left; }
.p-concept__text-block:nth-of-type(1) { grid-column: 1; grid-row: 1; }
.p-concept__image:nth-of-type(1) { grid-column: 2; grid-row: 1; }
.p-concept__image:nth-of-type(2) { grid-column: 1; grid-row: 2; }
.p-concept__text-block:nth-of-type(2) { grid-column: 2; grid-row: 2; }
.p-concept__image { width: 100%; margin: 0; display: flex; }
.p-concept__image img { width: 100%; height: auto; display: block; object-fit: cover; }

.p-concept__sub-title { font-size: clamp(18px, 2vw, 24px); letter-spacing: 0.05em; color: #333; margin-bottom: 16px; }
.p-concept__sub-line { width: 100%; height: 1px; background-color: #333; margin-bottom: 16px; }
.p-concept__desc { font-size: clamp(11px, 1.1vw, 13px); line-height: 2.2; color: #666; letter-spacing: 0.1em; }
.catch-copy { font-size: clamp(14px, 1.4vw, 16px); font-weight: 550; }

/* ==========================================================================
Project: PRODUCT Section
   ========================================================================== */
.p-product__header, .p-product__image-group, .p-product__text-group { width: 100%; }
.p-product__header { display: flex; align-items: center; margin-bottom: 80px; }
.p-product__title { font-size: 16px; letter-spacing: 0.1em; color: #333; font-weight: bold; }
.p-product__header-line { flex-grow: 1; height: 1px; background-color: #333; margin-left: 150px; }
.p-product__image-group { margin-bottom: 16px; }

.p-product__image { width: 100%; margin: 0; display: flex; }

.p-product__image img {
    width: 100%;
    aspect-ratio: 3 / 2;
    object-fit: cover;
    display: block;
}

.p-product__text-group { text-align: left; }
.p-product__sub-title { font-size: 18px; letter-spacing: 0.05em; color: #333; margin-bottom: 16px; }
.p-product__sub-line { width: 100%; height: 1px; background-color: #999; margin-bottom: 16px; }
.p-product__desc { font-size: 12px; line-height: 2.2; color: #666; letter-spacing: 0.1em; }

/* ==========================================================================
Layout: Footer
   ========================================================================== */
.l-footer { background-color: var(--color-bg-dark); color: #fff; padding: 60px 0 60px; font-family: sans-serif; position: relative; }
.l-footer__inner { max-width: 1500px; margin: 0 auto; padding: 0 clamp(20px, 5vw, 40px); display: flex; align-items: flex-start; position: relative; padding-bottom: 60px; }
.l-footer__info { flex: 0 0 55%; margin-bottom: 0; }
.l-footer__company { font-size: 16px; font-weight: 400; letter-spacing: 0.05em; }
.l-footer__address { font-style: normal; font-size: 12px; line-height: 2; color: #ccc; }
.l-footer__right-block { flex: 0 0 45%; display: flex; align-items: flex-start; }
.l-footer__group1 { display: flex; align-items: center; gap: 60px; }
.l-footer__vertical-line { width: 1px; height: 100px; background-color: #888; }
.l-footer__nav { display: flex; gap: 80px; }
.l-footer__list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 16px; }
.l-footer__list a { color: #fff; text-decoration: none; font-size: 14px; transition: opacity 0.3s; }
.l-footer__list a:hover { opacity: 0.6; }
.l-footer__group2 { position: absolute; bottom: 0; right: clamp(20px, 5vw, 40px); }
.l-footer__copy { font-size: 12px; color: #ccc; letter-spacing: 0.05em; white-space: nowrap; }

.l-footer__list:first-child li:nth-child(3),
.l-footer__list:last-child { opacity: 0; pointer-events: none; }

.js-fade { opacity: 0; transform: translateY(20px); transition: opacity 1.2s ease-out, transform 1.2s ease-out; }
.js-fade.is-visible { opacity: 1; transform: translateY(0); }

.c-hamburger { display: none; }
.p-hero .l-global-nav__list { display: flex; gap: var(--nav-gap); font-size: var(--nav-font-size); list-style: none; margin: 0; padding: 0; }
.p-hero .l-global-nav__list a { color: var(--color-text-hero); text-decoration: none; padding: 2.5vw; letter-spacing: 0.05em; display: block; line-height: 1; }

@media screen and (min-width: 1025px) {
    .p-hero .l-global-nav { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); }
}


/* ==========================================================================
    (1024px以下)
   ========================================================================== */
@media screen and (max-width: 1024px) {
    .logo-mark {
        width: 170px;
        height: 48px;
        margin-left: -10px;
    }

    .c-hamburger { display: block; position: relative; z-index: 20; width: 24px; height: 14px; background: transparent; border: none; cursor: pointer; }

    .c-hamburger::before, .c-hamburger::after { content: ""; display: block; width: 100%; height: 2px; background: var(--color-text-hero); transition: 0.3s; position: absolute; left: 0; }
    .c-hamburger::before { top: 0; }
    .c-hamburger::after { bottom: 0; }

    .c-hamburger.is-active::before { top: 6px; transform: rotate(45deg); }
    .c-hamburger.is-active::after { bottom: 6px; transform: rotate(-45deg); }

    .l-global-nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background-color: rgba(255, 255, 255, 0.90);
        z-index: 15;
        display: flex;
        justify-content: center;
        align-items: center;
        opacity: 0;
        visibility: hidden;
    }

    .l-global-nav.is-active {
        opacity: 1;
        visibility: visible;
        transition: opacity 0.4s ease, visibility 0.4s ease;
    }

    .p-hero .l-global-nav__list {
        flex-direction: column;
        gap: 60px;
        text-align: center;
    }

    .p-hero .l-global-nav__list a {
        color: #333 !important;
        font-size: 18px;
        font-weight: 400;
        letter-spacing: 0.1em;
    }

    .c-hamburger.is-active::before,
    .c-hamburger.is-active::after {
        background-color: #333;
    }
}


/* ==========================================================================
    (768px以下)
   ========================================================================== */
@media screen and (max-width: 768px) {
    .logo-mark {
        width: 170px;
        height: 48px;
    }

    /* CONCEPT */
    .p-concept { padding-top: 80px; padding-bottom: 120px; }
    .p-concept__header-line { display: none; }
    .p-concept__content { display: flex; flex-direction: column; gap: 0; }
    .p-concept__image:nth-of-type(1) { order: 1; margin-bottom: clamp(12px, 1.5vw, 16px); }
    .p-concept__text-block:nth-of-type(1) { order: 2; margin-top: 0; margin-bottom: 80px; }
    .p-concept__image:nth-of-type(2) { order: 3; margin-bottom: clamp(12px, 1.5vw, 16px); }
    .p-concept__text-block:nth-of-type(2) { order: 4; margin-top: 0; padding-left: 0; margin-bottom: 0; }

    /* PRODUCT */
    .p-product { padding-top: 80px; padding-bottom: 80px; }
    .p-product__header-line { display: none; }

    .p-product__image img {
        aspect-ratio: 3 / 4;
    }

    /* FOOTER */
    .l-footer { padding: 60px 0 0; }
    .l-footer__inner { flex-direction: column; align-items: flex-start; padding-bottom: 100px; }
    .l-footer__info { order: 2; width: 100%; }
    .l-footer__right-block { order: 1; width: 100%; flex-direction: column; align-items: flex-start; gap: 40px; margin-bottom: 60px; }
    .l-footer__vertical-line { display: none; }
    .l-footer__nav { width: 100%; justify-content: flex-start; gap: 0; }
    .l-footer__list { width: 50%; }
    .l-footer__list:nth-child(2) { border-left: 1px solid rgba(255, 255, 255, 0.4); padding-left: 30px; }
    .l-footer__group2 { bottom: 30px; }
}