@charset "UTF-8";

/* ==========================================================================
   Pattern 05: Modern Consulting (エディトリアル・非対称)
   Designer: "エディトリアル志向のUIクリエイター"
   Concept: 雑誌のような非対称性、セリフ体の強調、大きなタイポグラフィ
   ========================================================================== */

:root {
    --c-bg: #FDFDFD;
    /* 真っ白よりわずかに温かみのある白 */
    --c-bg-light: #F4F5F2;
    /* ごく薄いグレーベージュ */
    --c-text: #1A1A1A;
    --c-text-muted: #888888;
    --c-accent: #2C3E50;

    --font-en: 'Cormorant Garamond', serif;
    --font-ja: 'Noto Serif JP', 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: 2;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s;
}

a:hover {
    color: var(--c-text-muted);
}

img {
    max-width: 100%;
    display: block;
}

ul {
    list-style: none;
}

em {
    font-style: italic;
    font-weight: 400;
}

/* =========================================
   Typography & Components
========================================= */
.c-logo {
    font-family: var(--font-en);
    font-size: 28px;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.c-logo--large {
    font-size: 48px;
}

.c-section-heading {
    font-family: var(--font-en);
    font-size: 16px;
    letter-spacing: 0.1em;
    color: var(--c-text-muted);
    text-transform: uppercase;
    margin-bottom: 40px;
    position: relative;
    padding-left: 30px;
}

.c-section-heading::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 20px;
    height: 1px;
    background-color: var(--c-text-muted);
}

.c-link {
    font-family: var(--font-en);
    font-size: 14px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-bottom: 1px solid var(--c-text);
    padding-bottom: 5px;
}

/* =========================================
   Layout
========================================= */
.l-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: rgba(253, 253, 253, 0.9);
    backdrop-filter: blur(5px);
}

.l-header__inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px 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: 14px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.l-section {
    padding: 150px 50px;
}

.l-section--light {
    background-color: var(--c-bg-light);
}

.l-section__inner {
    max-width: 1200px;
    margin: 0 auto;
}

/* =========================================
   Hero (Editorial Asymmetry)
========================================= */
.p-hero {
    position: relative;
    padding: 200px 50px 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.p-hero__grid {
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.p-hero__text-col {
    width: 45%;
    position: relative;
    z-index: 2;
}

.p-hero__subtitle {
    font-family: var(--font-en);
    font-size: 14px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 20px;
    color: var(--c-text-muted);
}

.p-hero__title {
    font-family: var(--font-en);
    font-size: clamp(60px, 8vw, 120px);
    line-height: 0.9;
    font-weight: 400;
    margin-bottom: 50px;
}

.p-hero__title span {
    font-weight: 600;
}

.p-hero__desc {
    font-size: 15px;
    line-height: 2.4;
    letter-spacing: 0.05em;
}

.p-hero__img-col {
    width: 50%;
    height: 70vh;
    margin-top: -100px;
    /* あえて上にずらして非対称性を強調 */
}

.p-hero__img-col img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.c-scroll-down {
    position: absolute;
    bottom: 40px;
    left: 50px;
    font-family: var(--font-en);
    font-size: 12px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    writing-mode: vertical-rl;
}

.c-scroll-down::after {
    content: '';
    display: block;
    width: 1px;
    height: 60px;
    background-color: var(--c-text);
    margin: 10px auto 0;
}

/* =========================================
   About
========================================= */
.p-about {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.p-about__img {
    width: 40%;
}

.p-about__content {
    width: 45%;
    padding-top: 100px;
    /* あえてずらす */
}

.p-about__catch {
    font-size: 36px;
    font-weight: 400;
    line-height: 1.6;
    margin-bottom: 40px;
}

.p-about__text {
    font-size: 15px;
    color: var(--c-text-muted);
}

/* =========================================
   Expertise
========================================= */
.p-expertise__grid {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    margin-top: 80px;
}

.c-editorial-card {
    width: 30%;
}

.c-editorial-card--offset {
    margin-top: 100px;
    /* 中央の本だけ下げる */
}

.c-editorial-card__img {
    width: 100%;
    height: 400px;
    margin-bottom: 25px;
}

.c-editorial-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(0.5);
    /* 雑誌風の落ち着いたトーン */
    transition: filter 0.4s;
}

.c-editorial-card:hover .c-editorial-card__img img {
    filter: grayscale(0);
}

.c-editorial-card__body h4 {
    font-family: var(--font-en);
    font-size: 24px;
    font-weight: 400;
    margin-bottom: 15px;
    border-bottom: 1px solid #ddd;
    padding-bottom: 10px;
}

.c-editorial-card__body p {
    font-size: 14px;
    color: var(--c-text-muted);
}

/* =========================================
   Insights (Article List)
========================================= */
.p-insights__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 60px;
}

.p-insights__header .c-section-heading {
    margin-bottom: 0;
}

.p-insights__list li {
    border-bottom: 1px solid #ddd;
}

.p-insights__list a {
    display: flex;
    padding: 40px 0;
    align-items: center;
}

.p-insights__list time {
    font-family: var(--font-en);
    width: 200px;
    color: var(--c-text-muted);
}

.p-insights__list h4 {
    font-size: 20px;
    font-weight: 400;
}

/* =========================================
   Footer
========================================= */
.l-footer {
    padding: 100px 50px 50px;
    border-top: 1px solid #eee;
}

.l-footer__inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    margin-bottom: 80px;
}

.l-footer__left p {
    font-family: var(--font-en);
    color: var(--c-text-muted);
    margin-top: 10px;
}

.l-footer__right ul {
    font-family: var(--font-en);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 13px;
}

.l-footer__right li {
    margin-bottom: 15px;
}

.l-footer__bottom {
    text-align: center;
    font-family: var(--font-en);
    color: var(--c-text-muted);
    font-size: 12px;
}

/* =========================================
   Animations
========================================= */
.js-fade-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s ease-out, transform 1s ease-out;
}

.js-fade-item.is-active {
    opacity: 1;
    transform: translateY(0);
}

/* =========================================
   Responsive
========================================= */
@media screen and (max-width: 900px) {
    .l-header__inner {
        padding: 20px;
    }

    .l-header__nav {
        display: none;
    }

    .l-section {
        padding: 80px 20px;
    }

    .p-hero {
        padding: 120px 20px 60px;
    }

    .p-hero__grid {
        flex-direction: column;
    }

    .p-hero__text-col {
        width: 100%;
        margin-bottom: 40px;
    }

    .p-hero__title {
        font-size: 48px;
    }

    .p-hero__img-col {
        width: 100%;
        height: 400px;
        margin-top: 0;
    }

    .p-about {
        flex-direction: column;
    }

    .p-about__img {
        width: 100%;
        margin-bottom: 40px;
    }

    .p-about__content {
        width: 100%;
        padding-top: 0;
    }

    .p-expertise__grid {
        flex-direction: column;
    }

    .c-editorial-card {
        width: 100%;
        margin-bottom: 40px;
    }

    .c-editorial-card--offset {
        margin-top: 0;
    }

    .c-editorial-card__img {
        height: auto;
        aspect-ratio: 16/9;
    }

    .p-insights__header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }

    .p-insights__list a {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        padding: 20px 0;
    }

    .l-footer__inner {
        flex-direction: column;
        gap: 40px;
    }
}

/* --- Hover Interaction Updates --- */
.c-editorial-card { transition: transform 0.4s; }
.c-editorial-card:hover { transform: translateY(-5px); }
.c-editorial-card__img, .p-about__img, .p-hero__img-col { overflow: hidden; }
.c-editorial-card:hover .c-editorial-card__img img, .p-about__img:hover img, .p-hero__img-col:hover img { transform: scale(1.05); }
.c-editorial-card__img img, .p-about__img img, .p-hero__img-col img { transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1); }
