@charset "UTF-8";

/* ==========================================================================
   report3.css
   第3単位「リベラルアーツ」開催レポート専用スタイル
   ・すべてのセレクタを .rp3- プレフィックスで独立させ、他ページ／style.css へ干渉させない
   ・ヘッダー／フッター／Back to Top／.fade-in は style.css（index.html 準拠）をそのまま使用
   ========================================================================== */

.rp3-page {
    background-color: #fff;
    color: #222;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.rp3-sp-br {
    display: none;
}

/* --- ページ読み込み時アニメーション（Hero） --- */
@keyframes rp3FadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.rp3-hero-inner>* {
    opacity: 0;
    animation: rp3FadeInUp 0.9s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

.rp3-hero-inner>*:nth-child(1) { animation-delay: 0.10s; }
.rp3-hero-inner>*:nth-child(2) { animation-delay: 0.25s; }
.rp3-hero-inner>*:nth-child(3) { animation-delay: 0.40s; }
.rp3-hero-inner>*:nth-child(4) { animation-delay: 0.60s; }
.rp3-hero-inner>*:nth-child(5) { animation-delay: 0.75s; }

/* --- Hero --- */
.rp3-hero {
    background-color: #000;
    color: #fff;
    padding: 110px 20px 90px;
    display: flex;
    justify-content: center;
    text-align: center;
}

.rp3-hero-inner {
    width: 100%;
    max-width: 820px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
}

.rp3-crumb {
    display: flex;
    gap: 10px;
    font-family: 'EB Garamond', serif;
    font-size: 13px;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.5);
}

.rp3-crumb a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color 0.3s;
}

.rp3-crumb a:hover {
    color: #c5a365;
}

.rp3-crumb-current {
    color: #c5a365;
}

.rp3-hero-label {
    font-family: 'EB Garamond', serif;
    font-size: clamp(14px, 2vw, 20px);
    letter-spacing: 0.4em;
    color: #c5a365;
}

.rp3-hero-title {
    /* 1行14文字と長いため、他レポートより字送り・最大サイズを抑えて折り返しを防ぐ */
    font-size: clamp(27px, 3.6vw, 44px);
    line-height: 1.7;
    letter-spacing: 0.1em;
    font-weight: 400;
}

.rp3-hero-sub {
    font-size: clamp(15px, 2vw, 20px);
    letter-spacing: 0.15em;
    color: #c5a365;
    font-weight: 400;
}

.rp3-hero-meta {
    display: flex;
    gap: 14px 28px;
    flex-wrap: wrap;
    justify-content: center;
    font-size: 13px;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.65);
    border-top: 1px solid rgba(197, 163, 101, 0.5);
    padding-top: 22px;
}

.rp3-hero-meta a {
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
    border-bottom: 1px solid rgba(197, 163, 101, 0.5);
    padding-bottom: 2px;
    transition: color 0.3s;
}

.rp3-hero-meta a:hover {
    color: #c5a365;
}

/* --- 3日間のテーマ（章扉） --- */
.rp3-chapters {
    background-color: #0b0b0b;
    padding: 0 20px 70px;
}

.rp3-chapters-grid {
    max-width: 960px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background-color: rgba(197, 163, 101, 0.3);
    border: 1px solid rgba(197, 163, 101, 0.3);
}

.rp3-chapter {
    background-color: #0b0b0b;
    padding: 36px 28px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    text-align: center;
}

.rp3-chapter-num {
    font-family: 'EB Garamond', serif;
    font-size: 30px;
    font-weight: 400;
    line-height: 1;
    color: #c5a365;
}

.rp3-chapter-text {
    margin: 0;
    color: #eee;
    font-size: clamp(14px, 1.8vw, 16px);
    line-height: 1.9;
    letter-spacing: 0.08em;
}

.rp3-chapter-en {
    font-family: 'EB Garamond', serif;
    font-size: 11px;
    letter-spacing: 0.3em;
    color: rgba(197, 163, 101, 0.75);
}

/* --- 本文 --- */
.rp3-body {
    max-width: 760px;
    margin: 0 auto;
    padding: 80px 20px 100px;
    display: flex;
    flex-direction: column;
    gap: 32px;
    font-size: 16px;
    line-height: 2.3;
    letter-spacing: 0.05em;
    color: #333;
}

.rp3-lede {
    font-size: 17px;
}

/* KEY POINTS */
.rp3-keypoints {
    border: 1px solid rgba(197, 163, 101, 0.5);
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    background-color: #fcfaf6;
}

.rp3-keypoints-title {
    font-family: 'EB Garamond', serif;
    font-size: 15px;
    letter-spacing: 0.35em;
    color: #72613b;
    font-weight: 400;
}

.rp3-keypoints-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.rp3-keypoints-list li {
    font-size: 15px;
    line-height: 1.9;
    padding-left: 1.3em;
    text-indent: -1.3em;
}

.rp3-keypoints-list li::before {
    content: '— ';
    color: #c5a365;
}

/* 見出し */
.rp3-h2 {
    margin-top: 36px;
    font-size: clamp(21px, 2.9vw, 28px);
    color: #c5a365;
    letter-spacing: 0.12em;
    font-weight: 500;
    line-height: 1.7;
    border-left: 1px solid #c5a365;
    padding-left: 24px;
}

/* DAYごとの問いと本文 */
.rp3-qa {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.rp3-question {
    padding: 30px 32px;
    background-color: #fcfaf6;
    border-top: 1px solid #c5a365;
    border-bottom: 1px solid rgba(197, 163, 101, 0.42);
    font-size: clamp(17px, 2.2vw, 21px);
    line-height: 1.95;
    letter-spacing: 0.08em;
    color: #222;
}

.rp3-question-label {
    display: block;
    margin-bottom: 12px;
    font-family: 'EB Garamond', serif;
    font-size: 12px;
    letter-spacing: 0.3em;
    color: #c5a365;
}

.rp3-answer {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.rp3-answer p {
    margin: 0;
}

/* 本文中の図版 */
.rp3-figure {
    margin: 0;
}

.rp3-figure img {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.rp3-caption {
    margin-top: 12px;
    text-align: center;
    font-size: 12px;
    color: #666;
    letter-spacing: 0.05em;
    line-height: 1.8;
}

/* 三日間をつなぐ幕間 */
.rp3-interlude {
    margin: 20px 0;
    padding: 56px 36px;
    background-color: #0b0b0b;
    color: #eee;
    text-align: center;
}

.rp3-interlude-label {
    display: block;
    margin-bottom: 22px;
    font-family: 'EB Garamond', serif;
    font-size: 12px;
    letter-spacing: 0.3em;
    color: #c5a365;
}

.rp3-interlude p {
    margin: 0;
    font-size: clamp(19px, 2.6vw, 26px);
    line-height: 2.1;
    letter-spacing: 0.12em;
    font-weight: 400;
}

.rp3-interlude em {
    font-style: normal;
    color: #c5a365;
}

/* 3日間の流れ（タイムライン） */
.rp3-timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
    border-left: 1px solid rgba(197, 163, 101, 0.5);
    padding-left: 30px;
}

.rp3-day {
    position: relative;
    padding: 28px 0;
    border-bottom: 1px solid rgba(197, 163, 101, 0.28);
}

.rp3-day:last-child {
    border-bottom: 0;
}

.rp3-day::before {
    content: '';
    position: absolute;
    left: -35px;
    top: 36px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background-color: #c5a365;
}

.rp3-day-label {
    display: block;
    margin-bottom: 10px;
    font-family: 'EB Garamond', serif;
    font-size: 12px;
    letter-spacing: 0.26em;
    color: #c5a365;
}

.rp3-day-title {
    margin: 0 0 12px;
    font-size: clamp(17px, 2.2vw, 20px);
    font-weight: 500;
    line-height: 1.8;
    letter-spacing: 0.08em;
    color: #72613b;
}

.rp3-day p {
    margin: 0;
    font-size: 15px;
    line-height: 2.1;
}

/* 3日間を貫いた流れ */
.rp3-points3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin: 0 -70px;
}

.rp3-points3-item {
    padding: 28px 22px;
    background-color: #fcfaf6;
    border-top: 1px solid #c5a365;
}

.rp3-points3-num {
    display: block;
    margin-bottom: 12px;
    font-family: 'EB Garamond', serif;
    font-size: 32px;
    font-weight: 400;
    line-height: 1;
    color: #c5a365;
}

.rp3-points3-item p {
    margin: 0;
    font-size: 14px;
    line-height: 1.9;
}

/* 過去レポートへの導線 */
.rp3-related {
    margin-top: 20px;
    border-top: 1px solid rgba(197, 163, 101, 0.5);
    padding-top: 36px;
}

.rp3-related-title {
    margin-bottom: 26px;
    font-family: 'EB Garamond', serif;
    font-size: 14px;
    letter-spacing: 0.3em;
    color: #72613b;
    font-weight: 400;
}

.rp3-related-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.rp3-related-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 18px;
    padding: 28px 26px;
    border: 1px solid rgba(197, 163, 101, 0.5);
    background-color: #fff;
    color: #222;
    text-decoration: none;
    transition: transform 0.3s, box-shadow 0.3s;
}

.rp3-related-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.1);
    color: #222;
}

.rp3-related-label {
    display: block;
    margin-bottom: 12px;
    font-family: 'EB Garamond', serif;
    font-size: 11px;
    letter-spacing: 0.26em;
    color: #c5a365;
}

.rp3-related-card h3 {
    margin: 0 0 12px;
    font-size: 18px;
    font-weight: 400;
    line-height: 1.75;
    letter-spacing: 0.08em;
}

.rp3-related-card p {
    margin: 0;
    font-size: 13.5px;
    line-height: 1.95;
    color: #555;
}

.rp3-related-more {
    color: #c5a365;
    font-size: 14px;
    letter-spacing: 0.12em;
}

/* 結び */
.rp3-closing {
    margin-top: 20px;
    padding: 56px 42px;
    background-color: #0b0b0b;
    color: #eee;
    text-align: center;
}

.rp3-closing-title {
    margin-bottom: 26px;
    color: #c5a365;
    font-size: clamp(20px, 2.8vw, 29px);
    letter-spacing: 0.12em;
    font-weight: 400;
    line-height: 1.85;
}

.rp3-closing p {
    margin: 0;
    line-height: 2.25;
    text-align: left;
}

/* 編集情報 */
.rp3-note {
    margin-top: 20px;
    border-top: 1px solid rgba(197, 163, 101, 0.5);
    padding-top: 30px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.rp3-note-title {
    font-family: 'EB Garamond', serif;
    font-size: 14px;
    letter-spacing: 0.3em;
    color: #72613b;
    font-weight: 400;
}

.rp3-note-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 13px;
    line-height: 1.9;
    color: #666;
}

.rp3-note-list a {
    color: #72613b;
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* --- CTA --- */
.rp3-cta {
    padding: 110px 20px;
    background-color: #000;
    background-image: url("/brand-pages/emc/images/bg_08.webp");
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: #fff;
    display: flex;
    justify-content: center;
    text-align: center;
}

.rp3-cta-inner {
    width: 100%;
    max-width: 800px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

.rp3-cta-label {
    font-family: 'EB Garamond', serif;
    font-size: clamp(14px, 2vw, 20px);
    letter-spacing: 0.4em;
    color: #c5a365;
}

.rp3-cta-title {
    font-size: clamp(26px, 4vw, 44px);
    color: #b7a664;
    line-height: 1.6;
    letter-spacing: 0.1em;
    font-weight: 400;
}

.rp3-cta-text {
    font-size: clamp(14px, 2vw, 20px);
    line-height: 2.2;
    letter-spacing: 0.1em;
    color: #eee;
}

.rp3-cta-btns {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.rp3-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    height: 64px;
    width: min(340px, 80vw);
    color: #fff;
    text-decoration: none;
    border-radius: 32px;
    font-size: 15px;
    letter-spacing: 0.1em;
    transition: opacity 0.3s;
}

.rp3-btn:hover {
    opacity: 0.8;
    color: #fff;
}

.rp3-btn-brown {
    background-color: #7b684c;
}

.rp3-btn-gold {
    background-color: #bea36d;
}

.rp3-btn-icon {
    width: 1.25em;
    height: auto;
    margin-top: -0.1em;
}

.rp3-back {
    margin-top: 10px;
    font-family: 'EB Garamond', serif;
    color: #c5a365;
    text-decoration: none;
    font-size: 15px;
    letter-spacing: 0.15em;
    border-bottom: 1px solid rgba(197, 163, 101, 0.5);
    padding-bottom: 3px;
    transition: color 0.3s;
}

.rp3-back:hover {
    color: #fff;
}

/* --- スクロール連動アニメーション --- */
.rp3-figure.fade-in {
    transform: translateY(40px);
}

.rp3-figure.fade-in.is-visible {
    transform: translateY(0);
}

.rp3-figure.fade-in img {
    opacity: 0;
    transform: scale(1.04);
    transition: opacity 1.4s cubic-bezier(0.25, 1, 0.5, 1), transform 1.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.rp3-figure.fade-in.is-visible img {
    opacity: 1;
    transform: scale(1);
}

.rp3-keypoints.fade-in .rp3-keypoints-list li,
.rp3-chapters-grid.fade-in .rp3-chapter,
.rp3-timeline.fade-in .rp3-day,
.rp3-points3.fade-in .rp3-points3-item {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.rp3-keypoints.fade-in.is-visible .rp3-keypoints-list li,
.rp3-chapters-grid.fade-in.is-visible .rp3-chapter,
.rp3-timeline.fade-in.is-visible .rp3-day,
.rp3-points3.fade-in.is-visible .rp3-points3-item {
    opacity: 1;
    transform: translateY(0);
}

.rp3-keypoints.fade-in.is-visible .rp3-keypoints-list li:nth-child(1),
.rp3-chapters-grid.fade-in.is-visible .rp3-chapter:nth-child(1),
.rp3-timeline.fade-in.is-visible .rp3-day:nth-child(1),
.rp3-points3.fade-in.is-visible .rp3-points3-item:nth-child(1) { transition-delay: 0.12s; }

.rp3-keypoints.fade-in.is-visible .rp3-keypoints-list li:nth-child(2),
.rp3-chapters-grid.fade-in.is-visible .rp3-chapter:nth-child(2),
.rp3-timeline.fade-in.is-visible .rp3-day:nth-child(2),
.rp3-points3.fade-in.is-visible .rp3-points3-item:nth-child(2) { transition-delay: 0.26s; }

.rp3-keypoints.fade-in.is-visible .rp3-keypoints-list li:nth-child(3),
.rp3-chapters-grid.fade-in.is-visible .rp3-chapter:nth-child(3),
.rp3-timeline.fade-in.is-visible .rp3-day:nth-child(3),
.rp3-points3.fade-in.is-visible .rp3-points3-item:nth-child(3) { transition-delay: 0.40s; }

.rp3-keypoints.fade-in.is-visible .rp3-keypoints-list li:nth-child(4) { transition-delay: 0.54s; }

/* 読了プログレスバー */
.rp3-progress {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    height: 2px;
    z-index: 999;
    background-color: rgba(197, 163, 101, 0.15);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.rp3-progress.is-active {
    opacity: 1;
}

.rp3-progress-bar {
    width: 0;
    height: 100%;
    background-color: #c5a365;
}

/* --- レスポンシブ --- */
@media (max-width: 1000px) {
    .rp3-progress {
        top: 0;
    }

    .rp3-points3 {
        margin-left: 0;
        margin-right: 0;
    }
}

@media (max-width: 900px) {
    .rp3-hero {
        padding: 80px 20px 70px;
    }

    .rp3-chapters {
        padding-bottom: 50px;
    }

    .rp3-chapters-grid {
        grid-template-columns: 1fr;
    }

    .rp3-body {
        padding: 60px 20px 80px;
    }

    .rp3-points3 {
        grid-template-columns: 1fr;
    }

    .rp3-cta {
        padding: 80px 20px;
        background-attachment: scroll;
    }

    .rp3-lede {
        font-size: 16px;
    }
}

@media (max-width: 600px) {
    .rp3-sp-br {
        display: block;
    }

    .rp3-hero-title {
        font-size: 24px;
        letter-spacing: 0.02em;
    }

    .rp3-crumb {
        flex-wrap: wrap;
        justify-content: center;
    }

    .rp3-keypoints {
        padding: 30px 22px;
    }

    .rp3-question {
        padding: 24px 22px;
        font-size: 17px;
        line-height: 1.9;
    }

    .rp3-interlude {
        padding: 40px 22px;
    }

    .rp3-interlude p {
        font-size: 18px;
        line-height: 2;
    }

    .rp3-timeline {
        padding-left: 22px;
    }

    .rp3-day::before {
        left: -27px;
    }

    .rp3-related-grid {
        grid-template-columns: 1fr;
    }

    .rp3-closing {
        padding: 38px 24px;
    }

    .rp3-btn {
        width: 100%;
        max-width: 340px;
    }

    .rp3-cta-btns {
        flex-direction: column;
        align-items: center;
    }
}

/* --- アニメーションを控えたい環境への配慮 --- */
@media (prefers-reduced-motion: reduce) {

    .rp3-hero-inner>*,
    .rp3-figure.fade-in img,
    .rp3-keypoints.fade-in .rp3-keypoints-list li,
    .rp3-chapters-grid.fade-in .rp3-chapter,
    .rp3-timeline.fade-in .rp3-day,
    .rp3-points3.fade-in .rp3-points3-item {
        opacity: 1 !important;
        transform: none !important;
        animation: none !important;
        transition: none !important;
    }
}