/* =========================================
   About Page Styles
   ========================================= */

/* Scoped Variables */
.abc-about {
    --abc-color-primary: #005bac;
    --abc-color-navy: #002b55;
    --abc-color-gold: #c5a059;
    --abc-color-gold-light: #e6dcc5;
    --abc-color-beige: #f9f8f4;
    --abc-color-text: #333333;
    --abc-color-text-light: #666666;
    --abc-color-white: #ffffff;}

/* Reset & Base */
.abc-about {
    font-family: var(--abc-font-primary);
    color: var(--abc-color-text);
    background-color: var(--abc-color-white);
    line-height: 1.8;
    overflow-x: hidden;
    /* Prevent horizontal scroll */
}

.abc-about a {
    text-decoration: none !important;
    color: inherit;
    transition: opacity 0.3s;
}

.abc-about a:hover {
    opacity: 0.8;
}

.abc-about img {
    max-width: 100%;
    height: auto;
    vertical-align: bottom;
}

/* Utilities */
.abc-container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.max-w-900 {
    max-width: 900px;
    margin: 0 auto;
}

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

.text-white {
    color: var(--abc-color-white);
}

.mb-24 {
    margin-bottom: 24px;
}

.mb-40 {
    margin-bottom: 40px;
}

.mb-60 {
    margin-bottom: 60px;
}

.mt-24 {
    margin-top: 24px;
}

.mt-40 {
    margin-top: 40px;
}

/* Section Base */
.abc-sec {
    padding: 100px 0;
    position: relative;
}

@media (max-width: 768px) {
    .abc-sec {
        padding: 60px 0;
    }
}

.abc-about .abc-sec--hero h1 {
    color: #fff;
}

/* Typography (Heading Unit) */
.abc-about h2 {
    font-size: clamp(24px, 4vw, 36px);
    margin-bottom: 24px;
    color: var(--abc-color-navy);
    font-weight: 500;
}

.abc-heading-unit {
    display: inline-block;
    white-space: nowrap;
}

/* -----------------------------------------------------------------
   1. Hero Section
   ----------------------------------------------------------------- */
.abc-sec--hero {
    height: 60vh;
    min-height: 450px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.abc-sec--hero .abc-sec__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.abc-sec--hero .abc-sec__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.abc-sec--hero .abc-sec__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 43, 85, 0.35), rgba(0, 43, 85, 0.55));
    z-index: 2;
}

.abc-sec--hero .hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--abc-color-white);
}

.abc-sec--hero h1 {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 500;
    margin: 16px 0 24px;
    letter-spacing: 0.1em;
    color: #ffffff;
}

.abc-sec--hero .hero-eyebrow {
    font-size: 14px;
    letter-spacing: 0.2em;
    font-family: sans-serif;
    /* English sans */
    opacity: 0.9;
}

.abc-sec--hero .hero-lead {
    font-size: clamp(16px, 2vw, 20px);
    font-weight: 400;
    letter-spacing: 0.05em;
}

/* -----------------------------------------------------------------
   2. Why Section
   ----------------------------------------------------------------- */
.abc-sec--why {
    background-color: var(--abc-color-white);
}

.abc-grid {
    display: grid;
    gap: 40px;
}

.abc-grid--2col-bias {
    grid-template-columns: 1fr 1fr;
    align-items: center;
}

.why-image img {
    width: 100%;
    border-radius: 4px;
    box-shadow: var(--abc-shadow-soft, 0 10px 30px rgba(0, 0, 0, 0.05));
}

@media (max-width: 768px) {
    .abc-grid--2col-bias {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

/* -----------------------------------------------------------------
   3. Features Section
   ----------------------------------------------------------------- */
.abc-sec--features {
    background-color: var(--abc-color-beige);
}

.abc-grid--3col {
    grid-template-columns: repeat(3, 1fr);
}

.feature-card {
    background: var(--abc-color-white);
    border: 1px solid rgba(0, 0, 0, 0.05);
    padding: 0;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
}

.feature-card__img {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.feature-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.feature-card:hover .feature-card__img img {
    transform: scale(1.05);
}

.feature-card__body {
    padding: 30px;
}

.feature-card__num {
    font-family: sans-serif;
    font-size: 12px;
    letter-spacing: 0.1em;
    color: var(--abc-color-gold);
    margin-bottom: 8px;
    font-weight: bold;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 16px;
    color: var(--abc-color-navy);
}

.feature-card p {
    font-size: 15px;
    color: var(--abc-color-text-light);
}

@media (max-width: 900px) {
    .abc-grid--3col {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .abc-grid--3col {
        grid-template-columns: 1fr;
    }
}

/* -----------------------------------------------------------------
   4. Director Section (Author Box Transition)
   ----------------------------------------------------------------- */

/* 上部トランジション */
.abc-about .abc-author-transition-top {
    background: var(--abc-color-beige);
    padding: 80px 20px 0;
    position: relative;
}

.abc-about .abc-author-transition-top__frame {
    max-width: 600px;
    margin: 0 auto;
    padding: 40px 0;
    position: relative;
}

/* ゴールドライン */
.abc-about .abc-author-transition-top__frame::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--abc-color-gold) 50%, transparent 100%);
}

/* ダイヤモンド装飾 */
.abc-about .abc-author-transition-top__frame::after {
    content: "";
    position: absolute;
    top: -4px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 8px;
    height: 8px;
    background: var(--abc-color-gold);
}

/* テキスト */
.abc-about .abc-author-transition-top__text {
    display: block;
    text-align: center;
    font-size: 12px;
    color: #888;
    letter-spacing: 0.25em;
    font-family: var(--abc-font-primary);
}

/* 下部トランジション */
.abc-about .abc-author-transition-bottom {
    background: var(--abc-color-beige);
    padding: 80px 20px 0;
    position: relative;
}

.abc-about .abc-author-transition-bottom__frame {
    max-width: 600px;
    margin: 0 auto;
    padding: 40px 0 80px;
    position: relative;
}

/* ゴールドライン */
.abc-about .abc-author-transition-bottom__frame::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--abc-color-gold) 50%, transparent 100%);
}

/* ダイヤモンド装飾 */
.abc-about .abc-author-transition-bottom__frame::after {
    content: "";
    position: absolute;
    top: -4px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 8px;
    height: 8px;
    background: var(--abc-color-gold);
}

/* レスポンシブ */
@media (max-width: 768px) {
    .abc-about .abc-author-transition-top {
        padding: 60px 20px 0;
    }

    .abc-about .abc-author-transition-top__frame {
        padding: 30px 0;
    }

    .abc-about .abc-author-transition-top__text {
        font-size: 11px;
    }

    .abc-about .abc-author-transition-bottom {
        padding: 60px 20px 0;
    }

    .abc-about .abc-author-transition-bottom__frame {
        padding: 30px 0 60px;
    }
}

/* -----------------------------------------------------------------
   5. Details Section (Accordion)
   ----------------------------------------------------------------- */
.abc-sec--details {
    background-color: var(--abc-color-beige);
}

.abc-accordion {
    border-top: 1px solid var(--abc-color-gold-light);
}

.abc-details {
    border-bottom: 1px solid var(--abc-color-gold-light);
    background-color: var(--abc-color-white);
}

/* Accordion Summary */
.abc-summary {
    list-style: none;
    /* Hide default marker */
    cursor: pointer;
    padding: 24px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 18px;
    font-weight: 500;
    color: var(--abc-color-navy);
    transition: background-color 0.2s;
}

.abc-summary::-webkit-details-marker {
    display: none;
}

.abc-summary:hover {
    background-color: #fafafa;
}

.abc-summary__icon {
    width: 24px;
    height: 24px;
    position: relative;
    flex-shrink: 0;
    margin-left: 16px;
    transition: transform 0.3s ease;
}

.abc-summary__icon::before,
.abc-summary__icon::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    background-color: var(--abc-color-gold);
    transform: translate(-50%, -50%);
}

.abc-summary__icon::before {
    width: 16px;
    height: 2px;
}

.abc-summary__icon::after {
    width: 2px;
    height: 16px;
}

/* Open State */
.abc-details[open] .abc-summary__icon {
    transform: rotate(45deg);
}

.abc-details__content {
    padding: 0 30px 30px;
    color: var(--abc-color-text-light);
    line-height: 1.8;
}

@media (max-width: 600px) {
    .abc-summary {
        font-size: 16px;
        padding: 20px 16px;
    }

    .abc-details__content {
        padding: 0 16px 20px;
    }
}

/* -----------------------------------------------------------------
   6. Gallery Teaser
   ----------------------------------------------------------------- */
.abc-sec--gallery-teaser {
    background-color: var(--abc-color-navy);
    padding: 80px 0;
    color: var(--abc-color-white);
}

.gallery-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 20px;
}

.abc-link-arrow {
    color: var(--abc-color-gold);
    font-family: sans-serif;
    letter-spacing: 0.05em;
    font-size: 14px;
    position: relative;
    padding-right: 20px;
}

.abc-link-arrow::after {
    content: "→";
    position: absolute;
    right: 0;
    transition: transform 0.2s;
}

.abc-link-arrow:hover::after {
    transform: translateX(4px);
}

.abc-link-arrow.text-white {
    color: var(--abc-color-white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.gallery-item {
    aspect-ratio: 1 / 1;
    overflow: hidden;
    position: relative;
    background-color: #000;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s, transform 0.5s;
    opacity: 0.8;
}

.gallery-item:hover img {
    opacity: 1;
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* -----------------------------------------------------------------
   7. Related Section
   ----------------------------------------------------------------- */
.abc-sec--related {
    background-color: var(--abc-color-beige);
}

.abc-grid--4col {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.related-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    background-color: var(--abc-color-white);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
}

.related-card:hover {
    border-color: var(--abc-color-gold);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.related-card__title {
    font-weight: 500;
    color: var(--abc-color-navy);
}

.related-card__arrow {
    color: var(--abc-color-gold);
}

@media (max-width: 900px) {
    .abc-grid--4col {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .abc-grid--4col {
        grid-template-columns: 1fr;
    }
}



/* Button Component */
.abc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    text-decoration: none !important;
    padding: 16px 40px;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    letter-spacing: 0.05em;
    min-width: 200px;
}

.abc-btn--gold {
    background-color: var(--abc-color-gold);
    color: var(--abc-color-white);
}

.abc-btn--gold:hover {
    background-color: #b08d48;
    /* Darker Gold */
    transform: translateY(-1px);
}

.abc-btn--large {
    padding: 20px 60px;
    font-size: 18px;
    min-width: 280px;
}

/* Fix for Heading Unit on small screens */
@media (max-width: 400px) {
    .abc-about h2 {
        font-size: 24px;
    }

    .abc-heading-unit {
        display: block;
        white-space: normal;
    }
}