/* ============================================================
       RESET & BASE
    ============================================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --green: #009657;
    --green-m: #2a6a6d;
    --cream: #FBF9EF;
    --sand: #D3F4DC;
    --dark: #4B3636;
    --mid: #777;
    --yellow: #F5E886;
    --accent: #F38200;
}

html,
body {
    height: 100%;
    overflow: hidden;
    /* 中央パネルだけスクロールさせるため */
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 18px;
    background: var(--cream);
    color: var(--dark);
}

a {
    text-decoration: none;
    color: inherit;
}

/* ============================================================
       3カラム グリッド (.shell)
    ============================================================ */
.shell {
    display: grid;
    grid-template-columns: 1fr 1000px 1fr;
    height: 100vh;
    overflow: hidden;
}

/* ============================================================
       LEFT PANEL (.left)
    ============================================================ */
.left {
    background: var(--sand);
    color: var(--cream);
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.9rem;
    overflow: hidden;
    position: relative;
}

.left-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.7rem;
    cursor: pointer;
    text-align: center;
}

.left__pipitto-wrap {
    position: absolute;
    top: 10%;
    right: 0;
    width: 35%;
}

.left__pipitto {
    display: block;
    width: 100%;
    height: auto;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.3;
        transform: scale(0.8);
    }
}

/* ============================================================
       MIDDLE PANEL (.middle) 
    ============================================================ */
.middle {
    height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: rgba(30, 78, 80, 0.25) transparent;
}

.middle::-webkit-scrollbar {
    width: 3px;
}

.middle::-webkit-scrollbar-thumb {
    background: rgba(30, 78, 80, 0.25);
    border-radius: 2px;
}

/* ============================================================
       セクション共通 — 基本中央揃え
    ============================================================ */
.section {
    padding: 3rem 3rem;
    text-align: center;
}

.section:last-of-type {
    border-bottom: none;
}

.section--green {
    background: linear-gradient(to bottom, var(--green), #BAD47C);
}

.section--yellow {
    background: var(--yellow);
}

.section--white {
    background: white;
}

.section--slim {
    padding-top: 2rem;
    padding-bottom: 2rem;
}

/* セクション見出し共通 */
.sec-h2 {
    font-family: 'Zen Kaku Gothic New', sans-serif;
    font-weight: 900;
    font-size: 30px;
    color: var(--green);
    margin-bottom: 3rem;
    line-height: 1.3;
}

.sec-eyebrow {
    font-family: 'Figtree', sans-serif;
    font-size: 0.6rem;
    letter-spacing: 0.2em;
    color: var(--mid);
    margin-bottom: 1.5rem;
}

.sec-intro {
    margin-bottom: 2rem;
}

.present-img-wrap {
    position: relative;
    display: inline-block;
    margin-bottom: 0.6rem;
}

.present-img-wrap img {
    display: block;
    max-width: 100%;
    height: auto;
}

.present-title {
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    margin-bottom: 0;
}

/* ============================================================
       HERO セクション (#hero)
    ============================================================ */
#hero {
    background: var(--green);
    color: var(--cream);
    padding: 3rem 2rem 2rem;
    text-align: center;
}

.hero-catch {
    font-family: 'Zen Kaku Gothic New', sans-serif;
    font-weight: 900;
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    letter-spacing: 0.04em;
    margin-bottom: 1rem;
    opacity: 0.95;
}

.hero-img {
    max-width: min(600px, 80%);
    height: auto;
    display: block;
    margin: 0 auto 1rem;
}

/* 日付ブロック: 年 / 日付 / 曜日 を横並びで大きく */
.event-date {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.3rem;
}

.date-year {
    font-weight: 700;
    font-size: 30px;
}

.date-slash {
    font-size: 2rem;
}

.date-day {
    font-family: 'Figtree', sans-serif;
    font-weight: 800;
    font-size: clamp(3rem, 8vw, 5rem);
    line-height: 1;
    letter-spacing: -0.02em;
}

.date-dow {
    font-weight: 700;
    font-size: 30px;
}

.event-time {
    font-weight: 700;
    font-size: 25px;
    letter-spacing: 0.03em;
}

.event-time:last-of-type {
    margin-bottom: 1.5rem;
}

/* 会場・対象などのメタ情報カード */
.event-meta {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    padding: 1.75rem 2rem;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.65rem 1rem;
    align-items: start;
    text-align: left;
    margin-bottom: 1rem;
}

.info-label {
    background: var(--green);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 0.2rem 0.65rem;
    border-radius: 4px;
    font-size: 27px;
    font-weight: 700;
    white-space: nowrap;
    align-self: start;
    margin-top: 0.15rem;
}

.info-text {
    font-size: 22px;
    font-weight: bold;
    line-height: 1.75;
    opacity: 0.9;
}

.info-text small {
    display: block;
    opacity: 0.65;
    margin-top: 0.2rem;
}

.hero-badges {
    display: block;
    max-width: min(500px, 80%);
    height: auto;
    margin: 0 auto;
    opacity: 0.9;
}

/* ============================================================
       参加企業一覧 セクション (#companies)
    ============================================================ */
.accent-text {
    color: var(--accent);
    font-weight: bold;
}

/* 中間CTA ボタン（独立） */
.mid-cta-wrap {
    position: relative;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

.mid-cta-badge {
    position: relative;
    z-index: 1;
    background: white;
    border: 2px solid var(--accent);
    color: var(--dark);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.2rem 1rem;
    border-radius: 100px;
    white-space: nowrap;
    margin-bottom: -14px;
}

.mid-cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 3rem;
    background: var(--accent);
    color: white;
    border-radius: 100px;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 30px;
    font-weight: 700;
    letter-spacing: 0.04em;
    transition: opacity 0.2s, transform 0.2s;
    min-width: 320px;
}

.mid-cta-btn:hover {
    opacity: 0.88;
    transform: translateY(-2px);
}

.company-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.85rem 2rem;
    background: var(--sand);
    color: var(--dark);
    border: 2px solid var(--green);
    border-radius: 100px;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 30px;
    font-weight: bold;
    cursor: pointer;
    margin-bottom: 2rem;
    transition: opacity 0.2s, transform 0.2s;
}

.company-btn:hover {
    opacity: 0.85;
    transform: translateY(-1px);
}

/* 企業一覧テーブルヘッダー */
.company-table-head {
    display: grid;
    grid-template-columns: 60px 1fr;
    padding: 0.7rem 1.25rem;
    background: var(--sand);
    border-radius: 10px 10px 0 0;
    font-weight: 700;
    text-align: left;
}

/* 企業一覧テーブル 開閉ラッパー */
.company-table-wrap {
    display: none;
    margin-top: 1rem;
    overflow: hidden;
}

.company-table-wrap.is-open {
    display: block;
}

.company-table-body {
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-top: none;
    border-radius: 0 0 10px 10px;
    overflow: hidden;
}

.company-row {
    display: grid;
    grid-template-columns: 60px 1fr;
    padding: 0.7rem 1.25rem;
    text-align: left;
    font-size: 18px;
}

.company-row:nth-child(odd) {
    background: white;
}

.company-row:nth-child(even) {
    background: #f5f5f5;
}

.company-row a {
    text-decoration: underline;
    text-underline-offset: 2px;
}

.company-row:has(a):hover {
    color: #F38200;
}

.company-no {
    font-family: 'Figtree', sans-serif;
}

.company-btn__note {
    font-size: 1rem;
    opacity: 0.7;
}

.company-btn__arrow {
    font-size: 0.7rem;
    color: var(--green);
    display: inline-block;
    transition: transform 0.25s;
    margin-left: 0.3rem;
}

.company-close-btn {
    display: block;
    margin-left: auto;
    margin-top: 0.75rem;
    background: none;
    border: none;
    color: var(--green);
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    padding: 0.4rem 0.25rem;
    font-family: inherit;
}

.company-close-btn:hover {
    opacity: 0.7;
}

.company-btn.is-open .company-btn__arrow {
    transform: rotate(180deg);
}

.company-banner-wrap {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
}

.company-banner-wrap img {
    max-width: min(900px, 95%);
    height: auto;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.company-banner-hover img {
    transition: opacity 0.3s;

}

.company-banner-hover:hover img {
    opacity: 0.7;
}

/* ============================================================
       汎用フィーチャーカード (.feat-)
       参加特典・イベントコンテンツなど共通レイアウト
    ============================================================ */
.feat-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 0.5rem;
    margin-bottom: 1.5rem;
}

.feat-card {
    background: white;
    border-radius: 14px;
    padding: 1rem;
    border: 1px solid rgba(0, 0, 0, 0.07);
    display: grid;
    grid-template-columns: 100px 1fr 100px;
    align-items: center;
    gap: 1rem;
}

.feat-body {
    grid-column: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.feat-illust {
    grid-column: 3;
    justify-self: center;
    width: 100px;
    height: auto;
    object-fit: contain;
}

.feat-card--reverse .feat-illust {
    grid-column: 1;
    grid-row: 1;
}

.feat-card--reverse .feat-body {
    grid-column: 2;
    grid-row: 1;
}

.feat-label {
    font-size: 18px;
    margin-bottom: 0.2rem;
}

.feat-title {
    font-weight: 700;
    font-size: 22px;
    margin-bottom: 0.35rem;
}

.feat-note {
    color: var(--mid);
    line-height: 1.8;
}

/* カードを2列に並べるリストバリアント */
.feat-list--2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* 2カラムバリアント: タイトル全幅中央・本文左・画像右 */
.feat-card--2col {
    grid-template-columns: 1fr 100px;
    grid-template-rows: auto auto;
}

.feat-card--2col>.feat-title {
    grid-column: 1 / -1;
    grid-row: 1;
    text-align: center;
    margin-bottom: 0.25rem;
}

.feat-card--2col .feat-body {
    grid-column: 1;
    grid-row: 2;
    align-items: flex-start;
    text-align: left;
}

.feat-card--2col .feat-illust {
    grid-column: 2;
    grid-row: 2;
    align-self: center;
}

/* イベントセクション内での色上書き */
#event .feat-title {
    color: var(--dark);
}

#event .feat-note {
    color: var(--dark);
}

@media (max-width: 1000px) {
    .feat-card {
        grid-template-columns: 100px 1fr 100px;
    }

    .feat-card--2col {
        grid-template-columns: 1fr 80px;
    }

    .feat-card--2col .feat-illust {
        width: 80px;
    }
}


/* ============================================================
       イベントコンテンツ セクション (#event)
    ============================================================ */
.event-placeholder {
    background: white;
    border-radius: 14px;
    padding: 3rem;
    border: 3px dashed var(--yellow);
    color: var(--mid);
    font-size: 0.85rem;
    margin-top: 1rem;
}

/* ============================================================
       出展社募集 セクション
    ============================================================ */
.exhibitor-card {
    background: white;
    border-radius: 16px;
    border: 2px solid #E2D382;
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.exhibitor-bubble {
    background: var(--accent);
    color: white;
    font-weight: 700;
    font-size: 16px;
    padding: 0.45rem 1.4rem;
    border-radius: 100px;
    position: relative;
    display: inline-block;
    margin-bottom: 0.6rem;
}

.exhibitor-bubble::after {
    content: '';
    position: absolute;
    bottom: -9px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 9px solid transparent;
    border-right: 9px solid transparent;
    border-top: 9px solid var(--accent);
}

.exhibitor-title {
    font-family: 'Zen Kaku Gothic New', sans-serif;
    font-weight: 900;
    font-size: clamp(1.4rem, 3vw, 2rem);
    color: var(--green);
    text-align: center;
}

.exhibitor-body {
    line-height: 1.9;
    font-weight: bold;
    color: var(--dark);
    text-align: center;
}

.exhibitor-btn {
    display: inline-block;
    position: relative;
    overflow: hidden;
    padding: 0.85rem 2.2rem;
    border: 2px solid var(--dark);
    border-radius: 100px;
    font-weight: 700;
    margin-top: 0.5rem;
    transition: color 0.3s;
}

.exhibitor-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--yellow);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s ease;
    z-index: 0;
}

.exhibitor-btn:hover::before {
    transform: scaleX(1);
}

.exhibitor-btn span {
    position: relative;
    z-index: 1;
}

/* 参加者の声セクション — イラストはみ出し分の余白 */
#contents {
    padding-bottom: 7rem;
}

/* ============================================================
       参加者の声 セクション (#contents)
    ============================================================ */
.voice-list {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2rem;
    margin-top: 0.5rem;
}

.voice-card {
    background: white;
    border-radius: 14px;
    border: #009657 1px solid;
    padding: 1rem;
    border-right: 5px solid var(--green);
    border-bottom: 5px solid var(--green);
    position: relative;
    overflow: visible;
    text-align: left;
}

.voice-text {
    display: block;
}

.voice-accent {
    font-weight: bold;
}

.voice-illust {
    position: absolute;
    bottom: -70px;
    right: -10px;
    width: 90px;
    height: auto;
    object-fit: contain;
}


/* ============================================================
       Q&A セクション (#qa)
    ============================================================ */
.faq-list {
    text-align: left;
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.faq-item {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--green);
    background: white;
}

.faq-q {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 1.1rem 1.25rem;
    cursor: pointer;
    user-select: none;
    list-style: none;
    transition: background 0.15s;
}

.faq-q:hover {
    background: rgba(0, 150, 87, 0.05);
}

.faq-q__label {
    font-family: 'Figtree', sans-serif;
    font-weight: 800;
    font-size: 1rem;
    color: var(--green);
    flex-shrink: 0;
    width: 1.4rem;
    text-align: center;
}

.faq-q__text {
    font-weight: 700;
    color: var(--dark);
    flex: 1;
    line-height: 1.6;
}

.faq-q__icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.25s;
}

.faq-q__icon::before {
    content: '▼';
    font-size: 0.7rem;
    color: var(--green);
}

.faq-item.is-open .faq-q__icon {
    transform: rotate(180deg);
}

.faq-a {
    display: none;
    gap: 0.85rem;
    padding: 0 1.25rem 1.1rem;
    align-items: flex-start;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.faq-item.is-open .faq-a {
    display: flex;
}

.faq-a__label {
    font-family: 'Figtree', sans-serif;
    font-weight: 800;
    font-size: 1rem;
    color: var(--accent);
    flex-shrink: 0;
    width: 1.4rem;
    text-align: center;
    padding-top: 0.9rem;
}

.faq-a__text {
    font-size: 0.85rem;
    line-height: 1.85;
    color: var(--dark);
    padding-top: 0.9rem;
}

/* ============================================================
       アクセス セクション (#access)
    ============================================================ */
.access-text {
    font-size: 0.9rem;
    line-height: 2.2;
    color: #555;
}

/* ============================================================
       フッター
    ============================================================ */
.footer {
    padding: 2rem 3rem;
    background: var(--green);
    color: white;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer__contact {
    font-size: 16px;
    font-weight: 700;
    text-align: left;
}

.footer__contact p {
    font-size: 14px;
    font-weight: 700;
    margin-top: 0.4rem;
    line-height: 1.8;
    opacity: 0.9;
}

.footer__org {
    font-size: 14px;
    font-weight: 700;
    text-align: center;
    opacity: 0.85;
    line-height: 1.8;
}

.footer__org a {
    text-decoration: underline;
    text-underline-offset: 3px;
    margin: 0 0.25rem;
}

.footer__org:first-of-type {
    border-top: 1px solid rgba(255, 255, 255, 0.4);
    padding-top: 1rem;
}

/* ============================================================
       RIGHT PANEL (.right) — アンカーナビゲーション
    ============================================================ */
.right {
    background: var(--sand);
    height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 2.25rem 3rem;
    border-left: 1px solid rgba(0, 0, 0, 0.07);
    overflow: hidden;
}

.right__label {
    font-family: 'Figtree', sans-serif;
    font-size: 0.58rem;
    letter-spacing: 0.18em;
    color: var(--mid);
    margin-bottom: 0.5rem;

}

.right__label--text {
    font-weight: bold;
    color: var(--dark);
    margin-bottom: 1.25rem;
    padding-bottom: 0.9rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.09);
}

/* ナビリスト: 縦並び */
.nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.right__tontan-wrap {
    position: relative;
}

.right__tontan {
    display: block;
    position: relative;
    left: -3rem;
    width: calc(25% + 2.5rem);
    height: auto;
}

.cta-br {
    display: none;
}

@media (max-width: 1600px) {

    /* 左パネル非表示 → 2カラム構成に切り替え */
    /* .left {
        display: none;
    } */

    .shell {
        grid-template-columns: 300px 1fr 300px;
    }

    /* .middle {
        grid-column: 1;
    } */

    /* .right {
        grid-column: 2;
        padding: 1.75rem 1.25rem;
    } */

    /* .right__tontan {
        display: none;
    } */

    /* .cta-br {
        display: block;
    } */
}

/* 各アンカーボタン: [番号] [ラベル] [矢印] */
.nav-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.3rem 0.9rem;
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.07);
    border-radius: 100px;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 500;
    color: var(--dark);
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;

}

.nav-btn:hover {
    background: var(--green);
    color: white;
    border-color: var(--green);
    transform: translateX(-3px);
}

.nav-btn.is-active {
    background: var(--green);
    color: white;
    border-color: var(--green);
}

.nav-btn__num {
    font-family: 'Figtree', sans-serif;
    font-size: 0.58rem;
    opacity: 0.45;
    font-weight: 600;
    flex-shrink: 0;
}

.nav-btn.is-active .nav-btn__num {
    opacity: 0.7;
}

.nav-btn__arrow {
    margin-left: auto;
    font-size: 0.65rem;
    opacity: 0.35;
    flex-shrink: 0;
}

.nav-btn:hover .nav-btn__arrow {
    opacity: 0.7;
}

/* CTA: margin-top:auto で最下部に固定 */
.right__cta1 {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}


.right__cta2 {
    margin-top: auto;
    padding-top: 0.8rem;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.cta-btn1 {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 0.8rem;
    border: none;
    border-radius: 100px;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 24px;
    font-weight: 700;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.2s;
}

.cta-btn2 {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 0.5rem;
    border: none;
    border-radius: 100px;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 24px;
    font-weight: 700;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.2s;
}

.cta-btn1:hover {
    opacity: 0.8;
    transform: translateY(-1px);
}

.cta-btn2:hover {
    background-color: #F38200;
    color: var(--cream);
    transform: translateY(-1px);
}

.cta-btn--primary {
    background: var(--accent);
    color: white;
}

.cta-btn--ghost {
    background: white;
    border: 2px solid var(--accent);
}

.cta-primary-wrap {
    position: relative;
    padding-top: 13px;
}

.cta-badge {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    border: 2px solid var(--accent);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.18rem 0.75rem;
    border-radius: 100px;
    white-space: nowrap;
    z-index: 1;
    letter-spacing: 0.03em;
}

.cta-label--mob {
    display: none;
}

.cta-label--pc {
    display: inline;
}

@media (max-width: 1850px) {

    .cta-btn1,
    .cta-btn2 {
        font-size: 14px;
    }

    .cta-badge {
        font-size: 11px;
    }

}


/* スクロール進捗バー */
.right__progress {
    margin-top: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.prog-label {
    font-family: 'Figtree', sans-serif;
    font-size: 0.55rem;
    letter-spacing: 0.12em;
    color: var(--mid);
    flex-shrink: 0;
}

.prog-track {
    flex: 1;
    height: 3px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

/* JS が scrollTop に応じて width を更新 */
.prog-fill {
    height: 100%;
    width: 0%;
    background: var(--green);
    border-radius: 2px;
    transition: width 0.25s;
}

/* ============================================================
       ハンバーガーボタン / ドロワー — PC では非表示
    ============================================================ */
.mob-ham {
    display: none;
}

.mob-drawer {
    display: none;
}

.mob-backdrop {
    display: none;
}

/* ============================================================
       RESPONSIVE — モバイル (〜1000px)
       3カラムグリッド → .middle 全幅・.right 下部固定バーに切り替え
    ============================================================ */
@media (max-width: 1000px) {

    html,
    body {
        overflow: auto;
        height: auto;
    }

    .shell {
        display: flex;
        flex-direction: column;
        height: auto;
        min-height: 100dvh;
    }

    /* 左パネル非表示 */
    .left {
        display: none;
    }

    /* 中央パネル → 高さ解除・ページスクロール */
    .middle {
        order: 1;
        height: auto;
        overflow: visible;
        padding-bottom: 72px;
    }

    .section {
        padding: 3rem 1.5rem;
    }

    #hero {
        padding: 2.5rem 1.5rem 3.5rem;
    }

    .footer {
        padding: 1.5rem;
    }

    .event-meta {
        padding: 1.25rem;
    }

    /* 右パネル → 下部固定ボトムバー */
    .right {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 64px;
        display: flex;
        flex-direction: row;
        align-items: center;
        padding: 0 0.5rem;
        gap: 0.5rem;
        background: white;
        border-left: none;
        border-top: 1px solid rgba(0, 0, 0, 0.08);
        z-index: 300;
        overflow: visible;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
    }

    .right__label,
    .right__progress,
    .right__label--text,
    .cta-badge,
    .right__tontan,
    .right__tontan-wrap {
        display: none;
    }

    .cta-label--pc {
        display: none;
    }

    .cta-label--mob {
        display: inline;
    }


    /* CTA ボタン → 横並びで左側に表示 */
    .right__cta1,
    .right__cta2 {
        display: flex;
        flex-direction: row;
        margin-top: 0;
        padding-top: 0;
        border-top: none;
        gap: 0.5rem;
        flex: 1;
    }

    .cta-primary-wrap {
        padding-top: 0;
        flex: 1;
    }

    .cta-btn1,
    .cta-btn2 {
        flex: 1;
        height: 40px;
        padding: 0 0.9rem;
        font-size: 0.75rem;
        border-radius: 10px;
    }

    /* PC 用ナビリスト → ドロワー内に移動するため非表示 */
    .nav-list {
        display: none;
    }

    /* ──── ハンバーガーボタン ──── */
    .mob-ham {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 5px;
        width: 48px;
        height: 40px;
        background: var(--green);
        border: none;
        border-radius: 10px;
        cursor: pointer;
        flex-shrink: 0;
        transition: background 0.2s;
    }


    .mob-ham span {
        display: block;
        width: 18px;
        height: 2px;
        background: white;
        border-radius: 1px;
        transition: transform 0.25s, opacity 0.25s;
        transform-origin: center;
    }

    .mob-ham.is-open span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .mob-ham.is-open span:nth-child(2) {
        opacity: 0;
        transform: scaleX(0);
    }

    .mob-ham.is-open span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* ──── ナビドロワー ──── */
    .mob-drawer {
        display: block;
        position: fixed;
        bottom: 64px;
        left: 0;
        right: 0;
        background: white;
        border-radius: 20px 20px 0 0;
        padding: 0.75rem 1.25rem 1.25rem;
        z-index: 295;
        transform: translateY(110%);
        transition: transform 0.32s cubic-bezier(0.32, 0.72, 0, 1);
        box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.14);
    }

    .mob-drawer.is-open {
        transform: translateY(0);
    }

    .mob-drawer__handle {
        width: 36px;
        height: 4px;
        background: rgba(0, 0, 0, 0.1);
        border-radius: 2px;
        margin: 0 auto 1.1rem;
    }

    .mob-drawer__label {
        font-family: 'Figtree', sans-serif;
        font-size: 0.58rem;
        letter-spacing: 0.18em;
        color: var(--mid);
        margin-bottom: 0.85rem;
        padding-bottom: 0.7rem;
        border-bottom: 1px solid rgba(0, 0, 0, 0.07);
    }

    /* ドロワー内ナビ: 2列グリッド */
    .mob-drawer__list {
        list-style: none;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0.45rem;
    }

    .mob-drawer__list .nav-btn {
        display: flex;
        padding: 0.72rem 0.85rem;
        font-size: 0.75rem;
        transform: none !important;
        width: 100%;
    }

    .mob-drawer__list .nav-btn__arrow {
        display: none;
    }

    /* ──── バックドロップ ──── */
    .mob-backdrop {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.35);
        z-index: 290;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s;
    }

    .mob-backdrop.is-open {
        opacity: 1;
        pointer-events: auto;
    }

    /* 参加者の声 → 1カラム */
    .voice-list {
        grid-template-columns: 1fr;
        gap: 4rem;
    }

    .voice-illust {
        width: 80px;
        bottom: -60px;
        right: -6px;
    }
}


.br--720 {
    display: none;
}

@media (max-width: 1300px) {
    .nav-list {
        font-size: 14px;
    }

    /* 左パネル非表示 → 2カラム構成に切り替え */
    .left {
        display: none;
    }

    .shell {
        grid-template-columns: 1fr 300px;
    }

    .middle {
        grid-column: 1;
    }

    .right {
        grid-column: 2;
        padding: 1.75rem 1.25rem;
    }

    .right__tontan {
        display: none;
    }

    .cta-br {
        display: block;
    }
}

/* ============================================================
       RESPONSIVE — スマホ (〜720px)
    ============================================================ */
@media (max-width: 720px) {

    .br--720 {
        display: block;
    }

    /* 中間CTAボタン: min-width解除・全幅 */
    .mid-cta-wrap {
        width: 100%;
    }

    .mid-cta-btn {
        font-size: 18px;
        min-width: 0;
        width: 100%;
    }

    /* feat 2カラムリスト → 1カラム */
    .feat-list--2col {
        grid-template-columns: 1fr;
    }

    /* セクション余白をやや詰める */
    .section {
        padding: 2.5rem 1rem;
    }

    .company-row {
        font-size: 16px;
    }
}

/* ============================================================
       RESPONSIVE — スマホ小サイズ (〜500px)
    ============================================================ */
@media (max-width: 510px) {

    .company-btn {
        font-size: 22px;
    }

    /* イベント概要 */
    .event-meta {
        grid-template-columns: 1fr;
    }

    .date-day {
        font-size: 3.5rem;
    }

    /* フィーチャーカード → 縦積み */
    .feat-card {
        grid-template-columns: 1fr;
        padding: 0.75rem;
    }

    .feat-body {
        grid-column: 1;
    }

    .feat-illust {
        grid-column: 1;
        justify-self: center;
        width: 80px;
    }

    /* reverseカード: 画像を下に戻す */
    .feat-card--reverse .feat-body {
        grid-column: 1;
        grid-row: 1;
    }

    .feat-card--reverse .feat-illust {
        grid-column: 1;
        grid-row: 2;
    }

    .feat-title {
        font-size: 18px;
    }

    .feat-note {
        font-size: 16px;
    }

    .feat-card--2col {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
    }

    .feat-card--2col>.feat-title {
        grid-row: 1;
    }

    .feat-card--2col .feat-body {
        grid-row: 2;
    }

    .feat-card--2col .feat-illust {
        grid-column: 1;
        grid-row: 3;
        width: 70px;
    }

    /* 参加者の声 */
    .voice-list {
        gap: 2rem;
    }

    .voice-card {
        padding: 1.2rem 1.2rem 2.8rem;
    }

    .voice-illust {
        width: 80px;
        bottom: -18px;
        right: -6px;
    }

    .voice-text {
        font-size: 0.9rem;
        line-height: 1.75;
        padding-right: 1rem;
    }
}

.br-400 {
    display: none;
}

@media (max-width: 415px) {
    .br-400 {
        display: inline;
    }

    .exhibitor-btn {
        padding-inline: 1em;
        font-size: 16px;
    }

    .faq-q__text {
        font-size: 16px;
    }
}