/* Desktop apply button (visible >1100px) */
.nav-apply {
    display: inline-flex;
    margin-left: 12px;
}

@media (max-width:1100px) {
    .nav-apply {
        display: none;
    }
}

/* ===== Responsive Nav (≤1100px) ===== */
.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 0;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, .12);
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 8px 10px;
    cursor: pointer;
    z-index: 130;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 3px;
    background: #1f1f1f;
    border-radius: 3px;
    transition: transform .2s ease, opacity .2s ease;
}


/* Drawer */
.mobile-nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(78vw, 360px);
    transform: translateX(100%);
    transition: transform .25s ease, opacity .25s ease;
    background: #fff;
    z-index: 150;
    box-shadow: -8px 0 20px rgba(0, 0, 0, .15);
    opacity: 0;
}

.mobile-nav.is-open {
    transform: none;
    opacity: 1;
}

.mobile-nav__inner {
    padding: 24px;
    position: relative;
}

.mobile-nav__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 8px;
    height: auto;
}

.mobile-nav__list a {
    display: block;
    padding: 14px 10px;
    font-size: 16px;
    line-height: 1.4;
    color: #222;
    border-bottom: 1px solid #eee;
}

.mobile-nav__close {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .25);
    border: 0;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    z-index: 119;
}

.mobile-nav.is-open+.mobile-nav__close,
.mobile-nav.is-open~.mobile-nav__close {
    opacity: 1;
    pointer-events: all;
}

.mobile-nav .btn-apply {
    margin: 40px auto;
    display: block;
    text-align: center;
    width: fit-content;
    padding: 0 32px;
}

/* ===== promoting QR ===== */
.promoting__qr {
    margin-top: clamp(32px, 6vw, 56px);
    text-align: center;
}

.promoting__qr-label,
.promoting__qr-sub {
    font-size: 14px;
    color: #444;
    letter-spacing: .04em;
    margin: 0;
}

.promoting__qr-label {
    font-weight: 700;
}

.promoting__qr img {
    width: 140px;
    height: auto;
    display: block;
    margin: 0 auto;
}

.promoting__qr-text {
    font-size: 14px;
    color: #666;
    letter-spacing: .04em;
    margin: 0;
    text-decoration: underline;
}

/* ===== Targets CTA（大きなCVボタン） ===== */
.targets__cta {
    margin-top: clamp(24px, 4vw, 40px);
    text-align: center;
}

.targets__cta-lead {
    font-size: 18px;
    font-weight: 700;
    color: #D20000;
    /* ナビの「申し込む」と同色 */
    letter-spacing: .06em;
    opacity: .9;
    padding-left: 10px;
}

.cta-pill {
    position: relative;
    overflow: hidden;
    isolation: isolate;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 24px 72px;
    background: #D20000;
    /* ナビと同色 */
    color: #fff;
    border-radius: 9999px;
    /* 楕円のピル形状 */
    box-shadow: 0 4px 16px rgba(210, 0, 0, .18);
    transition: transform .08s ease-out, box-shadow .2s ease, opacity .2s ease;
}

.cta-pill::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, .06);
    /* ほんのり減光 */
    mix-blend-mode: multiply;
    transition: opacity .2s ease;
    opacity: 1;
    pointer-events: none;
}

.cta-pill:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(210, 0, 0, .24);
    opacity: 1;
    /* 既存のa:hoverの薄暗くなる挙動を打ち消す */
    filter: saturate(.94);
    --_tmp: 0;
}

.cta-pill:hover::before {
    background: rgba(0, 0, 0, .10);
    /* ホバー時は少し強めに減光 */
}

.cta-pill:active {
    transform: translateY(0);
}

.cta-main {
    font-size: 32px;
    /* 指定どおり */
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: .08em;
}

.cta-sub {
    font-size: 18px;
    /* 指定どおり */
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: .06em;
}

@media (max-width: 520px) {
    .cta-pill {
        padding: 22px 40px;
    }

    .cta-main {
        font-size: 28px;
    }

    .cta-sub,
    .targets__cta-lead {
        font-size: 16px;
    }
}

/* ===== targets（対象者） ===== */
.targets {
    background: #fff;
    padding: clamp(28px, 6vw, 56px) 0 clamp(24px, 6vw, 72px);
}

.targets__wp {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 24px;
}

.targets__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: clamp(12px, 2vw, 20px);
}

.targets__card {
    position: relative;
    background: #fff;
    border: 1px solid #E4E7E0;
    border-radius: 12px;
    padding: clamp(18px, 2.2vw, 24px) clamp(10px, 1.6vw, 16px) clamp(18px, 2.2vw, 24px);
    text-align: center;
    min-height: 108px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 18px;
    /* 指定どおり */
    line-height: 1.6;
    letter-spacing: .06em;
}

.targets__badge {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 24px;
    height: 24px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 1px 4px rgba(0, 0, 0, .06);
    display: grid;
    place-items: center;
}

.targets__badge img {
    width: 24px;
    height: 24px;
    display: block;
}

.targets__icon img {
    width: 40px;
    height: 40px;
    display: block;
}

.targets__text div {
    white-space: nowrap;
}

.target_info {
    text-align: center;
    margin-top: 16px;
}

/* レスポンシブ：中サイズで5→3列、スマホで2列 */
@media (max-width: 1100px) {
    .targets__list {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 640px) {
    .targets__list {
        grid-template-columns: repeat(2, 1fr);
    }

    .targets__card {
        min-height: 150px;
    }
}

body {
    margin: 0;
    padding: 0;
    font-size: 18px;
    font-weight: bold;
    color: #252525;
    line-height: 2.7em;
    letter-spacing: 0.15em;
}

/* フォント設定：日本語=Noto Sans JP / 英語=Montserrat */
body {
    font-family: 'Noto Sans JP', sans-serif;
}

:lang(en),
.en-text {
    font-family: 'Montserrat', sans-serif;
}

a {
    text-decoration: none;
    color: #4D4D4D;
}

a:hover {
    opacity: .5;
    filter: alpha(opacity=50);
}

ul {
    margin: 0;
    padding: 0;
}

.flex {
    display: flex;
}

.pc-no {
    display: none;
}

/* ===== Header ===== */
header {
    /* 背景は動画に置き換え。ポスターや未対応時のため背景色は薄いグレー */
    background-color: #000;
    aspect-ratio: 3 / 1;
    margin: 90px auto 0;
    width: 100%;
    position: relative;
    max-height: 960px;
    overflow: hidden;
    /* 動画のはみ出しを抑制 */
    padding-top: 50px;
    /* Heroの背景高さを+50px */
    padding-bottom: 50px;
}

/* 背景動画レイヤー */
.hero-media {
    position: absolute;
    inset: 0;
    z-index: 0;
    /* 背景色より前面、オーバーレイより背面 */
}

.hero-media .hero-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    opacity: 0;
    transition: opacity .6s linear;
}

.hero-media .hero-video.is-visible {
    opacity: 1;
}

/* 文字の可読性を上げるための淡いグラデーションオーバーレイ */
header::before {
    content: "";
    position: absolute;
    inset: 0;
    background: none;
    z-index: 1;
    /* 動画の上、テキストの下 */
    pointer-events: none;
}

/* ヒーロー中央配置（既存）に重なり順を明示 */
.main_catch {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    text-align: center;
    z-index: 2;
    /* オーバーレイより手前 */
}

/* ヒーロー中央配置 */
.main_catch img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ナビ */
nav {
    background-color: #ffffffed;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
}

.header-logo img {
    width: 280px;
    margin-right: 4px;
}

.header-inner {
    display: flex;
    align-items: center;
    max-width: 1300px;
    margin: 8px auto;
    justify-content: space-between;
}

nav ul {
    list-style: none;
    justify-content: center;
    align-items: center;
    height: 75px;
}

nav ul li {
    padding: 0 32px;
    line-height: 1.2em;
    text-align: center;
    font-size: 16px;
}

nav ul li a {
    position: relative;
}

nav ul li a span {
    font-size: 12px;
    display: block;
    font-weight: 500;
}

/* 申込みCTA（デスクトップ） */
/* .nav-cta {
    display: flex;
    align-items: center;
    height: 75px;
    margin-left: 16px;
} */

.btn-apply {
    position: relative;
    overflow: hidden;
    isolation: isolate;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 160px;
    height: 44px;
    padding: 0 20px;
    border-radius: 999px;
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    background: #D20000;
    /* 赤 */
    box-shadow: 0 2px 6px rgba(0, 0, 0, .12);
    transition: transform .08s ease-out, box-shadow .2s ease;
}

.btn-apply::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, .06);
    mix-blend-mode: multiply;
    pointer-events: none;
    transition: opacity .2s ease;
}

.btn-apply:hover::before {
    background: rgba(0, 0, 0, .10);
}

.btn-apply:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(0, 0, 0, .18);
    opacity: 1;
    /* 既存のa:hoverのopacityを打ち消す */
    filter: saturate(.94);
}

.btn-apply:active {
    transform: translateY(0);
}

/* --- Fix: ensure desktop CTA hides on mobile (cascade-safe) --- */
nav .nav-apply {
    display: inline-flex;
}

@media (max-width:1100px) {
    nav .nav-apply {
        display: none !important;
    }
}

/* ===== main_catch：順次フェードイン ===== */
@keyframes catch-fadeUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

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

.main_catch div {
    padding-bottom: 24px;
}

.main_catch .catch_01 {
    font-size: 24px;
}

.main_catch .catch_02 {
    line-height: 1.8em;
}

.main_catch>* {
    opacity: 0;
    transform: translateY(12px);
}

.main_catch.is-inview>* {
    animation: catch-fadeUp 1.0s ease-out forwards;
}

.main_catch.is-inview>*:nth-child(1) {
    animation-delay: .10s;
}

.main_catch.is-inview>*:nth-child(2) {
    animation-delay: .30s;
}

.main_catch.is-inview>*:nth-child(3) {
    animation-delay: .50s;
}

@media (prefers-reduced-motion: reduce) {
    .main_catch>* {
        opacity: 1 !important;
        transform: none !important;
        animation: none !important;
    }
}

/* 中央の黒背景パネル（乗算・70%） */
.catch_panel {
    background: rgba(0, 0, 0, 0.7);
    mix-blend-mode: multiply;
    /* 乗算 */
    padding: clamp(20px, 3vw, 24px) clamp(24px, 4vw, 56px) clamp(28px, 4.2vw, 56px) clamp(24px, 4vw, 56px);
    max-width: min(940px, 92vw);
    margin: 0 auto;
    border-radius: 8px;
    box-shadow: 0 2px 18px rgba(0, 0, 0, 0.15);
}

.catch_panel,
.catch_panel .catch_01,
.catch_panel .catch_02 {
    color: #fff;
}

.catch_panel img {
    display: block;
    margin: 0 auto;
    max-width: 100%;
    height: auto;
}

.main_catch .catch_02 {
    font-size: 24px;
    line-height: 1.8em;
    /* 既存を維持 */
}

.catch_date img {
    width: 500px;
}

/* 余白の最適化：パネル内の各行 */
.catch_panel>* {
    padding-bottom: clamp(10px, 1.8vw, 18px);
}

.catch_panel>*:last-child {
    padding-bottom: 0;
}

/* ===== message：full-width responsive background ===== */
.message {
    position: relative;
    width: 100%;
    background-image: url(../img/bg_2.png);
    background-size: cover;
    background-position: top center;
    background-repeat: no-repeat;
    padding: clamp(40px, 6vw, 80px) 0 clamp(56px, 7vw, 96px);
    color: #fff;
}

.message .section_wp {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
}

.message .message-list {
    list-style: none;
    margin: clamp(16px, 3vw, 28px) auto 0;
    padding: 0;
    max-width: 840px;
}

.message .message-list .message-item {
    display: flex;
    /* アイコンとテキストを横並び */
    align-items: center;
    /* 垂直中央揃え */
    gap: 12px;
    /* アイコンと文字の間隔 */
    margin: 0 auto clamp(10px, 1.6vw, 16px);
    text-align: left;
    font-size: 24px;
    padding-left: 0;
    /* 余白は不要になるのでリセット */
}

/* チェックアイコン（img/check_circle.svg） */
.message .message-list .message-item::before {
    content: "";
    display: inline-block;
    width: 24px;
    height: 24px;
    background: url(../img/check_circle.svg) no-repeat center / contain;
    flex: 0 0 24px;
    /* 固定幅のアイコン */
}

.message::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    background: rgba(10, 138, 161, 0.35);
}

/* ===== info（会場・定員・協力） ===== */
.info {
    padding: clamp(28px, 6vw, 80px) 0 clamp(12px, 3vw, 32px);
    background: #fff;
    position: relative;
}

/* ヒーロー下とinfoの間の縦ライン */
.info::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 10px;
    width: 1px;
    height: clamp(36px, 5vw, 48px);
    /* 最終（最大）長さ */
    background: rgb(137 137 137);
    transform-origin: top center;
    /* 上端から伸縮 */
    animation: scroll-line 1.6s ease-out infinite;
    pointer-events: none;
    transform: translateX(-50%) scaleY(0.22);
    /* 初期は短く */
    opacity: .35;
}



.info .section_wp {
    max-width: 750px;
    margin: 0 auto;
    padding: 24px 24px 16px;
}

.info-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: clamp(8px, 3vw, 8px);
}

.info-item {
    display: grid;
    grid-template-columns: 72px 1fr;
    align-items: center;
    column-gap: clamp(16px, 3vw, 24px);
}

.info-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 32px;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.3em;
    background: #505050;
    line-height: 1;
    text-align: center;
    color: #ffffff;
}

.info-body {
    font-size: 18px;
    line-height: 1.8;
    letter-spacing: .06em;
    display: flex;
    align-items: center;
    /* ラベルと本文の中央揃え */
    min-height: 48px;
    /* ラベルと同じ高さに合わせる */
}

/* スマホで縦積み感を強くする */
@media (max-width: 740px) {
    .info-item {
        grid-template-columns: 56px 1fr;
    }

    .info-badge {
        width: 56px;
        height: 56px;
        font-size: 14px;
        line-height: 1;
    }
}


.info-badge__text {
    display: inline-block;
    transform: translateX(2px);
    /* 文字だけを1px右に */
}

@keyframes scroll-line {
    0% {
        transform: translateX(-50%) scaleY(0.22);
        opacity: .35;
    }

    70% {
        transform: translateX(-50%) scaleY(1);
        /* 伸びきる */
        opacity: .85;
    }

    71% {
        transform: translateX(-50%) scaleY(0.22);
        /* 一瞬でリセット（上に戻らない） */
        opacity: .0;
    }

    100% {
        transform: translateX(-50%) scaleY(0.22);
        opacity: .35;
    }
}

/* ===== footer ===== */
#footer {
    background: #fff;
}

.footer_wp {
    max-width: 900px;
    margin: 0 auto;
    padding: clamp(32px, 6vw, 72px) 24px clamp(24px, 4vw, 16px);
    text-align: center;
    color: #222;
}

.footer_title {
    font-size: clamp(18px, 2.2vw, 22px);
    font-weight: 900;
    letter-spacing: .15em;
    margin: 0 0 16px;
}

.footer-logo img {
    width: 88px;
    height: 88px;
    object-fit: contain;
    display: inline-block;
}

.footer_text {
    font-size: clamp(16px, 2vw, 18px);
    font-weight: 700;
    letter-spacing: .1em;
    margin-top: 4px;
}

.footer_text_sub {
    font-size: clamp(14px, 1.8vw, 16px);
    letter-spacing: .12em;
}

.footer_info {
    margin-top: 14px;
    font-size: clamp(14px, 1.8vw, 16px);
    letter-spacing: .08em;
    line-height: 1.9;
}

.footer_info a {
    color: #222;
    text-decoration: underline;
}

.copyright {
    background: #2C2C2C;
    color: #fff;
    text-align: center;
    font-size: 12px;
    letter-spacing: .06em;
}

.back-to-top {
    display: none;
    position: fixed;
    right: 1%;
    bottom: 5%;

    padding: 2rem;
    border-radius: 50%;
    display: inline-block;
    text-decoration: none;
}

/* ===== 共通：スクロールでフェードアップ ===== */
.reveal-up {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity .8s ease, transform .8s ease;
    will-change: opacity, transform;
}

.reveal-up.is-inview {
    opacity: 1;
    transform: none;
}

/* 対象者カード：段階的に表示 */
.targets__card {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity .6s ease, transform .6s ease;
    will-change: opacity, transform;
}

.targets__list.is-inview .targets__card {
    opacity: 1;
    transform: none;
}

.targets__list.is-inview .targets__card:nth-child(2) {
    transition-delay: .06s;
}

.targets__list.is-inview .targets__card:nth-child(3) {
    transition-delay: .12s;
}

.targets__list.is-inview .targets__card:nth-child(4) {
    transition-delay: .18s;
}

.targets__list.is-inview .targets__card:nth-child(5) {
    transition-delay: .24s;
}

/* infoの各行も軽くフェード */
.info-item {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity .5s ease, transform .5s ease;
}

.info-list.is-inview .info-item {
    opacity: 1;
    transform: none;
}

.info-list.is-inview .info-item:nth-child(2) {
    transition-delay: .05s;
}

.info-list.is-inview .info-item:nth-child(3) {
    transition-delay: .10s;
}

/* ===== promoting（動画紹介） ===== */
.promoting {
    width: 100%;
    background: #F4F4F4;
    padding: clamp(36px, 6vw, 72px) 0;
}

.promoting__wp {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
}

.promoting__title {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: .06em;
    margin: 0 0 8px;
    padding-top: 40px;
    color: #111;
    position: relative;
    display: inline-block;
    padding-bottom: 8px;
}

.promoting__title::after {
    content: "";
    display: block;
    width: 24px;
    height: 5px;
    background-color: #b53708;
    margin: 8px auto 0;
    border-radius: 4px;
}

.promoting__lead {
    font-size: 18px;
    letter-spacing: .06em;
    margin: 0 0 clamp(20px, 3vw, 28px);
}

.promoting_text {
    font-weight: 500;
    font-size: 16px;
    line-height: 1.9;
    letter-spacing: .04em;
    margin-bottom: 40px;
}

.promoting__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(16px, 2.4vw, 28px);
    text-align: left;
}

.promoting__card {
    background: #fff;
    border: 1px solid #E5E5E5;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, .04);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.promoting__card-body {
    padding: 24px;
    display: grid;
    gap: 8px;

}

/* Highlight effect for promoting__card-title and promoting__card-sub */
.promoting__card-title {
    font-size: 20px;
    margin: 0;
    line-height: 1.5;
    text-align: center;
    color: #111;
    font-weight: 700;
    position: relative;
    display: inline;
    background: linear-gradient(transparent 60%, rgba(180, 220, 180, 0.6) 60%);
    padding: 0 2px;
    border-bottom: none !important;
}

.promoting__card-sub {
    font-size: 16px;
    color: #111;
    margin: -4px 0 0;
    text-align: center;
    line-height: 1.5em;
    font-weight: 600;
    position: relative;
    display: inline;
    background: linear-gradient(transparent 60%, rgba(180, 220, 180, 0.6) 60%);
    padding: 0 2px;
    border-bottom: none !important;
}

/* Prevent grid stretch so underline length = text length */
.promoting__card-title,
.promoting__card-sub {
    width: max-content;
    /* shrink to text width */
    justify-self: center;
    /* center within grid cell */
}

.promoting__card-text {
    font-size: 16px;
    line-height: 1.9;
    letter-spacing: .04em;
    margin: 0;
    padding-top: 8px;
    font-weight: 500;
}

.promoting__movie {
    position: relative;
    width: 100%;
    background: #FFF;
}

/* 16:9 ダミー（YouTube iframe差替え領域） */
.promoting__movie .movie-dummy {
    width: calc(100% - 48px);
    aspect-ratio: 16/9;
    background: #dfe3e6 url('../img/movie_dummy.svg') center/120px 120px no-repeat;
    margin: 24px;
}

/* iframe を後で入れる場合の共通サイズ指定 */
.promoting__movie iframe {
    width: calc(100% - 48px);
    aspect-ratio: 16/9;
    height: auto;
    display: block;
    border: 0;
    margin: 24px;
}

@media (max-width: 980px) {
    .promoting__grid {
        grid-template-columns: 1fr;
        /* 1列 */
    }

    .promoting__card-body {
        display: block;
        line-height: 1.5em;
    }
}

/* ===== reusable section block ===== */
.section {
    width: 100%;
    padding: clamp(36px, 6vw, 72px) 0;
}

.section--gray {
    background: #E5E9E4;
}

.section__wp {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
}

.section-title {
    margin: 0 0 clamp(16px, 3vw, 16px);
}

.section-title__en {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: .2em;
    margin: 0;
    line-height: 1.2em;
    color: #929f78;
    padding-right: 8px;
}

.section-title__ja {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: .18em;
    margin: 0 0 24px;
    position: relative;
    display: inline-block;
    padding-bottom: 8px;
    /* 線との余白 */
}

.section-title__ja::after {
    content: "";
    display: block;
    width: 24px;
    height: 5px;
    background-color: #b53708;
    margin: 8px auto 0;
    border-radius: 4px;
}

.section__body {
    text-align: left;
    line-height: 1.9;
    letter-spacing: .04em;
    display: grid;
    gap: 8px;
    background: #fff;
    border: 1px solid #E5E5E5;
    border-radius: 8px;
    padding: clamp(16px, 3vw, 24px);
}

.section__note {
    font-size: 14px;
    color: #666;
    text-align: center;
    margin-top: 8px;
}

/* BACKGROUND セクションの体裁（デザイン反映） */
#background {
    padding-bottom: 0;
    /* 下のpromotingと隙間なし */
}

#background .section__wp {
    max-width: 1300px;
}

#background .section__body {
    text-align: center;
    background: none;
    border: 0;
    padding: clamp(8px, 1.6vw, 8px) 0 clamp(28px, 4vw, 64px);
    margin: 0 auto;
}

#background .section__body p {
    margin: 0;
}

/* BACKGROUND直後は上余白ゼロで接続 */
#background+.promoting {
    padding-top: 0;
}

/*#=====BACKGROUND前のパララックス風バンド=====*/
.bg-parallax {
    width: 100%;
    height: clamp(120px, 20vw, 220px);
    background: url('../img/bg_back.png') center center / cover no-repeat;
    margin: 0;
}

/* デスクトップでは軽いパララックス感（iOSは無効） */
@media (min-width: 1024px) {
    .bg-parallax {
        background-attachment: fixed;
    }
}

/* ===== timetable ===== */
.timetable {
    position: relative;
    max-width: 1100px;
    margin: 0 auto;
}

.timetable::before {
    content: "";
    position: absolute;
    left: 140px;
    /* 時刻列の中央 */
    top: 60px;
    bottom: auto;
    width: 2px;
    height: calc(100% - 118px);
    background: #CFCFCF;
}

.timetable__row {
    display: grid;
    grid-template-columns: 140px 1fr;
    align-items: start;
    gap: 24px;
    position: relative;
    padding: 18px 0;
}

.timetable__time {
    font-size: 16px;
    letter-spacing: .06em;
    text-align: right;
    padding-right: 24px;
    color: #1f1f1f;
    min-height: 24px;
    padding-top: 14px;
}

/* ドット */
.timetable__row::before {
    content: "";
    position: absolute;
    left: 141px;
    top: 57px;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #262626;
}

.timetable__content {
    min-height: 24px;
}

/* グレー帯 */
.timetable__band {
    background: #F4F4F4;
    border-radius: 6px;
    padding: 16px 24px;
    text-align: left;
}

/* 基調講演カード */
.tt-card {
    background: #F4F4F4;
    border-radius: 8px;
    padding: 24px;
    text-align: left;
    /* セクションのcenterを打ち消す */
    box-shadow: 0 1px 0 rgba(0, 0, 0, .03);
}

.tt-card__badge {
    display: inline-block;
    background: #2B2B2B;
    color: #fff;
    font-size: 16px;
    letter-spacing: .12em;
    padding: 2px 16px;
    border-radius: 4px;
}

.tt-card_flex-wp {
    display: flex;
    align-items: center;
}

.tt-card__title {
    font-size: 24px;
    font-weight: 700;

    line-height: 1.6;
}

.tt-card__body {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 24px;
    margin-top: 24px;
}

.tt-card__photo img {
    width: 100%;
    height: auto;
    border-radius: 6px;
    display: block;
    background: #fff;
    object-fit: cover;
}

.tt-card__speaker {
    font-size: 18px;
    margin: 0 0 6px;
    display: flex;
    gap: 8px;
    align-items: baseline;
    line-height: 1.6;
}

.tt-card__name {
    font-weight: 700;
    font-size: 22px;
}

.tt-card__kana {
    font-size: 12px;
    color: #666;
    letter-spacing: .06em;
}

.tt-card__aff {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 12px;
    line-height: 1.7;
}

.tt-card__bio {
    font-size: 16px;
    line-height: 1.8;
    letter-spacing: 0.02em;
    margin: 0;
    font-weight: 500;
}

.tt-card__text {
    line-height: 1.6;
    margin: 0 0 32px;
}


@media (max-width: 860px) {
    .timetable__row {
        grid-template-columns: 100px 1fr;
    }

    .timetable::before {
        left: 100px;
        bottom: auto;
        height: calc(100% - 48px);
    }

    .timetable__row::before {
        left: 100px;
    }

    .tt-card__body {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .tt-card {
        padding: 20px 16px;
    }

    .tt-card__photo img {
        max-width: 280px;
    }
}

/* ===== timetable: Mobile (≤520px) ===== */
@media (max-width: 520px) {
    .timetable__row {
        grid-template-columns: 74px 1fr;
        gap: 12px;
        padding: 12px 0;
    }

    .timetable__time {
        font-size: 14px;
        padding-right: 12px;
        padding-top: 6px;
    }

    .timetable::before {
        left: 74px;
        top: 44px;
        height: calc(100% - 36px);
    }

    .timetable__row::before {
        left: 74px;
        top: 41px;
        width: 10px;
        height: 10px;
    }

    .timetable__band {
        padding: 12px 14px;
        font-size: 15px;
    }

    .tt-card {
        padding: 16px;
    }

    .tt-card__badge {
        font-size: 14px;
        padding: 2px 12px;
    }

    .tt-card__title {
        font-size: 18px;
        line-height: 1.6;
    }

    .tt-card__photo img {
        max-width: 220px;
        margin: 0 auto;
    }

    .tt-card__speaker {
        font-size: 16px;
        display: block;
    }

    .tt-card__name {
        font-size: 20px;
    }

    .tt-card__aff {
        font-size: 14px;
    }

    .tt-card__bio {
        font-size: 15px;
        line-height: 1.8;
    }

    .tt-card_flex-wp {
        display: block;
    }
}

/* ===== overview section ===== */
#overview {
    background: #F4F4F4;
}

.overview-list {
    max-width: 1100px;
    margin: 0 auto 48px;
    display: grid;
    gap: 16px;
}

.overview-item {
    display: grid;
    grid-template-columns: 180px 1fr;
    align-items: start;
    padding: 16px 40px;
    border-bottom: 1px solid #ccc;
}

.overview-item dt {
    font-weight: 700;
    text-align: left;
}

.overview-item dd {
    margin: 0;
    text-align: left;
}

.overview-item:last-child {
    border-bottom: none;
}

/* overview: map & access */
.overview-access {
    max-width: 1100px;
    margin: clamp(16px, 3vw, 28px) auto 0;
    text-align: center;
}

.overview-access__heading {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: .18em;
    margin: 0 0 8px;
}

.overview-access__addr {
    font-size: 20px;
    letter-spacing: .06em;
    line-height: 1.8;
    margin: 0 0 24px;
    text-align: left;
}

.map-embed {
    position: relative;
    width: 100%;
    max-width: 1100px;
    aspect-ratio: 16/7;
    margin: 0 auto;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 8px rgba(0, 0, 0, .06);
    background: #e6e6e6;
}

.map-embed iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}

.overview-access__notes li {
    margin: 0 0 16px;
}

.overview-access__notes {
    max-width: 1100px;
    margin: 0 auto 0;
    padding-left: 1.4em;
    font-size: 16px;
    line-height: 2.0;
    letter-spacing: .06em;
    text-align: left;
    list-style: disc;
    font-weight: 500;
}

@media (max-width:1100px) {
    nav ul#page-link {
        display: none;
    }

    .nav-toggle {
        display: inline-grid;
    }

    .header-inner {
        padding: 0 12px;
    }

    /* .btn-apply {
        min-width: 140px;
        height: 42px;
        font-size: 15px;
    }
    .nav-cta {
        order: 2;
        margin-left: 8px;
    }
    .nav-toggle {
        order: 3;
    } */
}

/* Mobile drawer close X button */
.mobile-nav__x {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: 0;
    background: #f3f3f3;
    display: grid;
    place-items: center;
    cursor: pointer;
    box-shadow: 0 1px 6px rgba(0, 0, 0, .12);
}

.mobile-nav__x span {
    position: absolute;
    width: 20px;
    height: 2px;
    background: #222;
    border-radius: 2px;
}

.mobile-nav__x span:first-child {
    transform: rotate(45deg);
}

.mobile-nav__x span:last-child {
    transform: rotate(-45deg);
}

@media (max-width: 640px) {
    header {
        aspect-ratio: auto;
        min-height: 60vh;
        padding-top: 32px;
        padding-bottom: 32px;
    }

    .main_catch {
        position: absolute;
        inset: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 12px;
        text-align: center;
    }

    .catch_panel {
        padding: 16px 20px;
        max-width: 95%;
        margin: 0 auto;
        border-radius: 8px;
        box-shadow: 0 2px 18px rgba(0, 0, 0, 0.15);
        text-align: center;
    }

    .catch_panel .catch_01,
    .catch_01 {
        font-size: 18px;
        text-align: center;
    }

    .catch_panel .catch_02,
    .catch_02 {
        font-size: 16px;
        line-height: 1.6;
        text-align: center;
    }

    .catch_date img {
        width: 100%;
        max-width: 320px;
        display: block;
        margin-left: auto;
        margin-right: auto;
    }

    /* ===== Responsive overview section ===== */
    #overview .overview-list {
        gap: 8px;
    }

    .overview-item {
        grid-template-columns: 1fr;
        gap: 4px;
        padding: 12px 16px;
        border-bottom: 1px solid #ccc;
        align-items: start;
    }

    .overview-item dt {
        font-size: 14px;
        font-weight: 700;
        margin-bottom: 2px;
        text-align: left;
        word-break: break-word;
        white-space: normal;
    }

    .overview-item dd {
        font-size: 15px;
        line-height: 1.6;
        text-align: left;
        word-break: break-word;
        white-space: normal;
    }

    .overview-item:last-child {
        border-bottom: none;
    }

    .overview-access {
        padding: 0 8px;
    }

    .overview-access__heading {
        font-size: 16px;
    }

    .overview-access__addr,
    .overview-access__notes {
        font-size: 15px;
        line-height: 1.8;
        text-align: left;
        word-break: break-word;
        white-space: normal;
    }

    .overview-access__addr {
        margin-bottom: 8px;
    }

    .map-embed {
        margin: 0 auto 8px;
        border-radius: 6px;
    }

    .overview-access__notes {
        padding-left: 1.1em;
        margin-top: 8px;
    }

    .info-body {
        font-size: 16px;
    }
}


/* overview: address + notes side-by-side (above map) */
.overview-access__head {
    display: grid;
    grid-template-columns: 470px 1fr;
    gap: 24px;
    align-items: start;
    max-width: 1100px;
    margin: 0 auto clamp(16px, 3vw, 24px);
}

/* Keep typographic tweaks */
.overview-access__addr {
    margin: 0;
}

.overview-access__notes {
    margin: 0;
    padding-left: 1.2em;
}

@media (max-width: 900px) {
    .overview-access__head {
        grid-template-columns: 1fr;
        gap: 8px;
    }
}

/* overview: map centered width */
#overview .map-embed {
    max-width: 1100px;
    margin: 0 auto;
}