@charset "UTF-8";

/* ==========================================================================
   Pattern 06: Premium Dark (重厚・高品質)
   Designer: "ラグジュアリーブランド特化のUIクリエイター"
   Concept: 漆黒の背景、絵画のような余白、ジグザグ配置、ゴールドのアクセント
   ========================================================================== */

:root {
    --c-bg: #0A0A0A;
    /* 最上級の漆黒 */
    --c-surface: #141414;
    /* 少し浮き出た黒 */
    --c-text: #E0E0E0;
    /* 眩しすぎない白 */
    --c-text-muted: #888888;
    --c-accent: #CFA670;
    /* 上品なシャンパンゴールド */

    --font-en: 'Cinzel', serif;
    --font-ja: 'Noto Sans JP', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-ja);
    color: var(--c-text);
    background-color: var(--c-bg);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: opacity 0.4s;
}

a:hover {
    opacity: 0.6;
}

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

ul {
    list-style: none;
}

/* =========================================
   Typography & Components
========================================= */
.c-logo {
    font-family: var(--font-en);
    font-size: 24px;
    letter-spacing: 0.2em;
    font-weight: 500;
}

.c-section-title {
    font-family: var(--font-en);
    font-size: 32px;
    letter-spacing: 0.3em;
    color: var(--c-accent);
    margin-bottom: 60px;
}

.c-section-title--center {
    text-align: center;
}

.c-link {
    display: inline-block;
    font-family: var(--font-en);
    font-size: 13px;
    letter-spacing: 0.2em;
    color: var(--c-accent);
    position: relative;
    padding-bottom: 5px;
    margin-top: 20px;
}

.c-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--c-accent);
    transform: scaleX(1);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}

.c-link:hover::after {
    transform: scaleX(0);
    transform-origin: right;
}

.c-btn-gold {
    display: inline-block;
    padding: 16px 40px;
    border: 1px solid var(--c-accent);
    color: var(--c-accent);
    font-family: var(--font-en);
    font-size: 14px;
    letter-spacing: 0.2em;
    transition: background-color 0.4s, color 0.4s;
}

.c-btn-gold:hover {
    background-color: var(--c-accent);
    color: var(--c-bg);
}

/* =========================================
   Layout
========================================= */
.l-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    transition: background-color 0.4s, padding 0.4s;
    padding: 20px 0;
}

.l-header.is-scrolled {
    background-color: rgba(10, 10, 10, 0.95);
    padding: 10px 0;
}

.l-header__inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.l-header__nav ul {
    display: flex;
    gap: 40px;
    font-family: var(--font-en);
    font-size: 13px;
    letter-spacing: 0.15em;
}

.l-section {
    padding: 150px 50px;
}

.l-section__inner {
    max-width: 1200px;
    margin: 0 auto;
}

/* =========================================
   Hero
========================================= */
.p-hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.p-hero__bg {
    position: absolute;
    top: -10%;
    left: -10%;
    width: 120%;
    height: 120%;
    z-index: -2;
}

.p-hero__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(0.5);
    /* 映画のような色調 */
}

.p-hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(10, 10, 10, 0.3) 0%, rgba(10, 10, 10, 0.8) 100%);
    z-index: -1;
}

.p-hero__content {
    position: relative;
    z-index: 1;
}

.js-anim-title {
    font-family: var(--font-en);
    font-size: clamp(60px, 8vw, 120px);
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 1.5s ease-out, transform 1.5s ease-out;
}

.js-anim-title.is-active {
    opacity: 1;
    transform: scale(1);
}

.p-hero__subtitle {
    font-size: 16px;
    letter-spacing: 0.3em;
    color: var(--c-accent);
}

.c-scroll-indicator {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.c-scroll-indicator span {
    font-family: var(--font-en);
    font-size: 10px;
    letter-spacing: 0.3em;
    color: var(--c-text-muted);
}

.c-scroll-indicator .line {
    width: 1px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.c-scroll-indicator .line::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--c-accent);
    animation: scrollLine 2s infinite;
}

@keyframes scrollLine {
    to {
        top: 100%;
    }
}

/* =========================================
   Philosophy
========================================= */
.p-philosophy {
    text-align: center;
}

.p-philosophy .c-section-title {
    margin-bottom: 80px;
}

.p-philosophy__lead {
    font-size: 32px;
    font-weight: 300;
    line-height: 1.6;
    margin-bottom: 40px;
    letter-spacing: 0.1em;
}

.p-philosophy__text {
    font-size: 15px;
    color: var(--c-text-muted);
    line-height: 2.2;
    letter-spacing: 0.05em;
}

/* =========================================
   Collection (Zigzag)
========================================= */
.p-collection {
    padding: 50px 50px 150px;
}

.p-collection__list {
    margin-top: 100px;
    display: flex;
    flex-direction: column;
    gap: 180px;
    /* ジグザグの縦の大きな余白 */
}

.p-showcase {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 80px;
}

.p-showcase--reverse {
    flex-direction: row-reverse;
}

.p-showcase__img {
    width: 60%;
    position: relative;
}

/* 画像自体に少しだけズームするホバーエフェクト */
.p-showcase__img {
    overflow: hidden;
}

.p-showcase__img img {
    transition: transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.p-showcase:hover .p-showcase__img img {
    transform: scale(1.05);
}

.p-showcase__text {
    width: 35%;
}

.p-showcase__text h3 {
    font-family: var(--font-en);
    font-size: 24px;
    letter-spacing: 0.1em;
    margin-bottom: 30px;
    color: var(--c-accent);
}

.p-showcase__text p {
    font-size: 15px;
    line-height: 2.2;
    color: var(--c-text-muted);
    margin-bottom: 40px;
}

/* =========================================
   CTA
========================================= */
.p-cta {
    position: relative;
    text-align: center;
    padding: 150px 50px;
}

.p-cta__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.p-cta__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.p-cta__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 10, 10, 0.8);
    z-index: -1;
}

.p-cta__content {
    position: relative;
    z-index: 1;
}

.p-cta__content h2 {
    font-family: var(--font-en);
    font-size: 40px;
    letter-spacing: 0.2em;
    margin-bottom: 20px;
}

.p-cta__content p {
    font-size: 14px;
    color: var(--c-text-muted);
    margin-bottom: 40px;
    letter-spacing: 0.1em;
}

/* =========================================
   Footer
========================================= */
.l-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 80px 50px 40px;
}

.l-footer__inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 80px;
}

.l-footer__logo {
    font-family: var(--font-en);
    font-size: 32px;
    letter-spacing: 0.2em;
    color: var(--c-accent);
}

.l-footer__info {
    text-align: right;
    font-size: 13px;
    color: var(--c-text-muted);
    line-height: 2;
    letter-spacing: 0.1em;
}

.l-footer__links {
    margin-top: 20px;
    display: flex;
    gap: 30px;
    justify-content: flex-end;
}

.l-footer__copy {
    text-align: center;
    font-family: var(--font-en);
    font-size: 11px;
    color: var(--c-text-muted);
    letter-spacing: 0.1em;
}

/* =========================================
   Animations
========================================= */
.js-anim-fade {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s cubic-bezier(0.2, 0.8, 0.2, 1), transform 1s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.js-anim-fade.is-active,
.p-showcase.is-active {
    opacity: 1;
    transform: translateY(0);
}

.p-showcase {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 1.2s cubic-bezier(0.2, 0.8, 0.2, 1), transform 1.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* =========================================
   Responsive
========================================= */
@media screen and (max-width: 900px) {
    .l-header__inner {
        padding: 0 20px;
    }

    .l-header__nav {
        display: none;
    }

    .l-section {
        padding: 100px 20px;
    }

    .c-section-title {
        font-size: 24px;
        margin-bottom: 40px;
    }

    .p-hero__title {
        font-size: 40px;
    }

    .p-philosophy__lead {
        font-size: 24px;
    }

    .p-collection {
        padding: 50px 20px 100px;
    }

    .p-collection__list {
        gap: 80px;
        margin-top: 50px;
    }

    .p-showcase,
    .p-showcase--reverse {
        flex-direction: column;
        gap: 30px;
    }

    .p-showcase__img,
    .p-showcase__text {
        width: 100%;
        text-align: left;
    }

    .p-cta__content h2 {
        font-size: 28px;
    }

    .l-footer__inner {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }

    .l-footer__info {
        text-align: center;
    }

    .l-footer__links {
        justify-content: center;
    }
}

/* --- Hover Interaction Updates --- */
.p-showcase__item { transition: transform 0.4s; }
.p-showcase__item:hover { transform: translateY(-5px); }
.p-showcase__img, .p-cta__bg { overflow: hidden; }
.p-showcase__item:hover .p-showcase__img img { filter: grayscale(0%); transform: scale(1.05); }
.p-showcase__img img, .p-cta__bg img { transition: filter 0.6s, transform 0.6s; }
.p-cta__bg:hover img { transform: scale(1.05); }