/* Ensure images are responsive */
img {
    max-width: 100%;
    height: auto;
}

/* Responsive table - ベース */
.event table {
    width: 100%;
    table-layout: auto;
    border-collapse: separate;
    border-spacing: 0;
    font-feature-settings: "palt" 1;
}

/* テーブル内 typography（色味は現状維持） */
.event table th,
.event table td {
    padding: 16px 20px;
    line-height: 1.7;
    vertical-align: top;
}

.event table th {
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.02em;
}

.event table td {
    font-size: 0.9375rem;
    letter-spacing: 0.01em;
}

/* 1つ目テーブル（開催日・会場・アンバサダー）：枠線 */
.event .event-info-table {
    border-collapse: collapse;
    border: 1px solid #dde8ec;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 174, 239, 0.08);
}

.event .event-info-table td {
    border-bottom: 1px solid #e8f4f8;
    border-right: 1px solid #e8f4f8;
}

.event .event-info-table tr:last-child td {
    border-bottom: none;
}

.event .event-info-table td:last-child {
    border-right: none;
}

/* 1つ目テーブル：PC表示時の画像を大きく */
.event .event-info-table td:nth-child(2) img {
    width: 100%;
    max-width: 100%;
}

.event .event-info-table td:nth-child(4) img {
    width: 100%;
    max-width: 100%;
}

/* 1つ目テーブル（開催日・会場・アンバサダー）：文字サイズ・行間 */
.event .event-info-table td {
    font-size: 0.9375rem;
    line-height: 1.65;
}

/* 開催日・会場の見出し（body h3 のスタイルを打ち消す） */
.event .event-info-label {
    font-size: 0.875rem;
    font-weight: 700;
    color: #006b9e;
    margin: 0 0 0.35em 0;
    padding: 0 0 0 0.5rem;
    border-left: 3px solid #00AEEF;
    letter-spacing: 0.02em;
    line-height: 1.4;
}
.event .event-info-label::before {
    display: none;
    content: none;
}

.event .event-info-date {
    font-size: 1.5rem;
    color: #00AEEF;
    font-weight: 500;
    margin-bottom: 0.6em;
    line-height: 1.3;
    white-space: nowrap;
}

.event .event-info-venue {
    font-size: 1rem;
    color: #00AEEF;
    font-weight: 500;
    margin-bottom: 0.25em;
}

.event .event-info-address {
    font-size: 0.8125rem;
    color: #555;
    margin-bottom: 0.75em;
    line-height: 1.5;
}

.event .event-info-desc {
    font-size: 0.875rem;
    color: #333;
    line-height: 1.7;
}

.event .event-info-ambassador-title {
    font-size: 0.875rem;
    color: #F0F0F0;
    background: #00AEEF;
    padding: 6px 10px;
    margin: -2px -2px 0.5em 0;
    display: inline-block;
}

.event .event-info-ambassador-sub {
    font-size: 0.875rem;
    margin-bottom: 0.2em;
}

.event .event-info-ambassador-yomigana {
    font-size: 0.75rem;
    text-align: right;
    padding-right: 40px;
    color: #666;
    margin-bottom: 0.1em;
}

.event .event-info-ambassador-name-wrap {
    text-align: right;
    margin-bottom: 0.4em;
}

.event .event-info-ambassador-name {
    font-size: 1.75rem;
    font-weight: 500;
}

.event .event-info-ambassador-suffix {
    font-size: 1.125rem;
    margin-left: 0.1em;
}

.event .event-info-ambassador-desc {
    font-size: 0.875rem;
    line-height: 1.7;
    color: #333;
}

.event .event-info-ambassador-catch {
    color: #00AEEF;
    font-weight: 500;
}

/* 競技種目・後援・協力・お問合せテーブル：枠線とレイアウト */
.event .event-border-table {
    table-layout: fixed;
    border-collapse: collapse;
    border: 1px solid #00AEEF;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 174, 239, 0.12);
    margin-bottom: 16px;
}

.event .event-border-table:last-of-type {
    margin-bottom: 0;
}

.event .event-border-table th,
.event .event-border-table td {
    padding: 18px 24px;
    border-bottom: 1px solid #e0f4fc;
    border-right: 1px solid #e0f4fc;
}

.event .event-border-table th {
    width: 120px;
    min-width: 120px;
    box-sizing: border-box;
    font-size: 1rem;
    line-height: 1.5;
    border-right: 1px solid rgba(255, 255, 255, 0.35);
}

.event .event-border-table tr:last-child th,
.event .event-border-table tr:last-child td {
    border-bottom: none;
}

.event .event-border-table td:last-child {
    border-right: none;
}

.event .event-border-table th:last-child {
    border-right: none;
}

.event .event-border-table td {
    font-size: 0.9375rem;
    line-height: 1.75;
}

/* 競技種目テーブル：種目名列（フリッパー・潜泳・レスキュー）の幅 */
.event .event-border-table:has(tr td + td) tr td:first-of-type {
    width: 130px;
    max-width: 130px;
    box-sizing: border-box;
    vertical-align: middle;
    white-space: nowrap;
}

/* 1つ目テーブル：セル内のブロック間の余白 */
.event table td > div {
    line-height: 1.6;
}

.event table td > div + div {
    margin-top: 0.5em;
}

/* 画面上部：開催要項・大会申込・広告協賛リンク */
/* PC：表示固定（sticky） */
.event .event-links {
	position: sticky;
	top: 100px;
	z-index: 2;
	display: flex;
	flex-direction: row;
	flex-wrap: nowrap;
	align-items: center;
	justify-content: flex-end;
	gap: 10px;
	width: 100%;
	margin: 6px 0 2px 0;
	padding: 0;
	border: none;
	box-shadow: none;
	background: #fff;
}

.event .event-links > a {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 2px 20px;
	background: linear-gradient(180deg, #fff 0%, #f0f9fc 100%);
	color: #00AEEF;
	text-decoration: none;
	font-weight: 500;
	font-size: 0.9rem;
	border: 2px solid #00AEEF;
	border-radius: 6px;
	transition: background 0.2s, color 0.2s, box-shadow 0.2s;
	box-shadow: 0 2px 4px rgba(0, 174, 239, 0.15);
}

.event .event-links > a:hover {
	background: #00AEEF;
	color: #fff;
	box-shadow: 0 4px 12px rgba(0, 174, 239, 0.35);
}

.event .event-links > a:focus {
	outline: 2px solid #00AEEF;
	outline-offset: 2px;
}
.event .main_image {
	display: flex;
	position: relative;
	margin-top: 0;
	padding-top: 0;
}
.event .main_image p{
	position: absolute;/*重ねたい子要素にabsolute*/
	top:50%;
	left: 50%;
    -ms-transform: translate(-50%,-50%);/*ベンダープレフィックス*/
	-webkit-transform: translate(-50%,-50%);/*ベンダープレフィックス*/
	transform: translate(-50%,-50%);/*センター寄せの修正*/
	color: #fff;
	font-size: 1.8rem;
	text-align: center;
	white-space: nowrap;
}
.event .main_image > div {
	width: calc( 100% / 2 );
	margin: 0;
	padding: 0;
}
.event h1 {
    text-align: center;
    font-size: 40px;
    line-height: 1.1;
}

.event .flex {
	display: flex;
	align-items: center;
}

.event .flex > div {
	width: calc( ( 100% - 20px ) / 3 );
	margin-right: 10px;
}

.event .flex > div:nth-child( 3n ) {
    margin-right: 0;
}

.event .intro {
	font-size: 40px;
	color:#00AEEF;
    line-height: 1.2;
}

@media (max-width: 1100px) {
	.event .intro {
		font-size: 30px;
    	line-height: 1;
	}
}

@media (max-width: 1100px) and (min-width: 769px) {
	/* タブレット幅：sticky をやめてスクロールに追従 */
	.event .event-links {
		position: static;
		background: transparent;
		margin: 6px 0 6px 0;
	}
	/* PC表示と同じ余白にする */
	.event .main_image {
		margin-top: 0;
		padding-top: 0;
	}
}

@media (max-width: 1024px) {
	.event .intro {
		font-size: 28px;
    	line-height: 1;
	}
	.event .main_image p{
		font-size: 1.2rem;
        white-space: nowrap;
	}
}

/* Adjust font size and padding for smaller screens */
@media (max-width: 768px) {
    body {
        font-size: 14px;
    }

    /* スマホ：固定表示やめ、ボタンは横並びのまま小さめに */
    .event .event-links {
        position: static;
        background: transparent;
        flex-direction: row;
        justify-content: center;
        gap: 6px;
    }

    .event .event-links > a {
        padding: 2px 10px;
        font-size: 0.7rem;
        white-space: nowrap;
    }

    .event div {
        padding: 10px;
    }
    .event h1 {
        font-size: 28px;
    }
	.event .flex > div {
		width: calc( ( 100% - 20px ) / 2 );
		margin-right: 10px;
	}
	.event .flex > div:nth-child( 3n ) {
		margin-right: 0;
	}
	.event .flex div {
		padding: 0;
	}
	.event .flex > div {
		width: 100%;
		margin-right: 0;
		padding: 0;
	}
	.event .main_image p{
		font-size: 0.9rem;
        white-space: nowrap;
	}
	.event .intro {
		font-size: 28px;
    	line-height: 1;
	}
    /* スマホ：競技種目・後援・協力・お問合せの th 幅を統一 */
    .event .event-border-table th {
        width: 100px;
        min-width: 100px;
        max-width: 100px;
        box-sizing: border-box;
    }

    .event table th,
    .event table td {
        padding: 14px 16px;
    }

    td {
        display: block;
        width: 100%;
        text-align: center;
    }

    td img {
        width: 80%;
		margin-bottom: 2em;
    }

    .event .event-info-table td:nth-child(2) img,
    .event .event-info-table td:nth-child(4) img {
        width: 80%;
    }

    .spnone {
        display: none;
    }
}

@media (max-width: 480px) {
    .event h1 {
        font-size: 24px;
    }

    .event .event-links {
        flex-direction: row;
        gap: 4px;
    }

    .event .event-links > a {
        padding: 1px 6px;
        font-size: 0.65rem;
    }

	.event .flex {
		display: flex;
		flex-direction: column;
	}
	.event .flex > div {
		width: 100%;
		margin-right: 0;
		padding: 0;
	}
	.event .flex div {
		padding: 0 0 10px 0;
	}
	.event .main_image p{
		font-size: 0.7rem;
        white-space: normal;
        line-height: 1.4;
	}
	.event .intro {
		font-size: 30px;
    	line-height: 1.1;
		text-align: center;
	}
    td {
        font-size: 12px;
    }

    td img {
        width: 100%;
		margin-bottom: 2em;
    }

    .event .event-info-table td:nth-child(2) img,
    .event .event-info-table td:nth-child(4) img {
        width: 100%;
    }

    .spnone {
        display: none;
    }
}

/* ========================================
   event_2.html 開催要項ページ（タブ）
   ======================================== */
.event-page-event2 .event-page-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: #1a1a1a;
    margin: 0 0 0.75rem 0;
    padding: 0.4rem 0 0.4rem 1rem;
    letter-spacing: 0.06em;
    line-height: 1.35;
    border-left: 4px solid #00AEEF;
    background: linear-gradient(90deg, rgba(0, 174, 239, 0.06) 0%, transparent 100%);
}

.event-page-event2 .event-page-lead {
    font-size: 0.9375rem;
    color: #555;
    margin: 0 0 1.5rem 0;
    line-height: 1.6;
}

.event-page-event2 .event-tabs {
    margin-bottom: 2rem;
}

.event-page-event2 .event-tabs-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    list-style: none;
    margin: 0;
    padding: 0;
    border-bottom: 2px solid #00AEEF;
}

.event-page-event2 .event-tab-btn {
    display: block;
    padding: 0.75rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: #0088c4;
    background: #f0f9fc;
    border: 1px solid #d4eef5;
    border-bottom: none;
    border-radius: 8px 8px 0 0;
    cursor: pointer;
    margin-bottom: -2px;
    transition: background 0.2s, color 0.2s;
}

.event-page-event2 .event-tab-btn:hover {
    background: #e0f4fc;
    color: #006b9e;
}

.event-page-event2 .event-tab-btn.active {
    background: #fff;
    color: #00AEEF;
    border-color: #00AEEF;
    border-bottom: 2px solid #fff;
}

.event-page-event2 .event-tabs-panels {
    background: #fff;
    border: 1px solid #dde8ec;
    border-top: none;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 2px 8px rgba(0, 174, 239, 0.08);
}

.event-page-event2 .event-tab-panel {
    display: none;
    padding: 0;
}

.event-page-event2 .event-tab-panel.active {
    display: block;
}

.event-page-event2 .event-tab-panel-inner {
    padding: 0;
    min-height: 480px;
}

.event-page-event2 .event-tab-panel-pdf {
    min-height: 72vh;
}

.event-page-event2 .event-pdf-iframe {
    width: 100%;
    height: 72vh;
    min-height: 520px;
    border: none;
    display: block;
}

/* 開催要項タブ：HTMLドキュメント表示（高さは内容に合わせる） */
.event-page-event2 .event-tab-panel-doc {
    padding: 0.75rem 1.75rem 2rem;
    min-height: 0;
    height: auto;
}

.event-page-event2 .event-doc {
    max-width: 720px;
    margin: 0 auto;
    font-size: 0.9375rem;
    line-height: 1.8;
    color: #333;
    height: auto;
    min-height: 0;
}

/* style.css の body h2（padding-top:130px, margin-top:-108px）を打ち消す */
.event-page-event2 .event-doc-title {
    font-size: 1.25rem;
    font-weight: 700;
    text-align: center;
    margin: 20px 0 0.35rem 0;
    padding: 0;
    padding-top: 0;
    margin-top: 20px;
    line-height: 1.5;
    letter-spacing: 0.02em;
}

.event-page-event2 .event-doc-meta {
    text-align: center;
    margin: 0 0 1.15em 0;
    padding: 0;
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* body section や UA の section margin を打ち消す。高さは内容のみとする。 */
.event-page-event2 .event-doc .event-doc-section {
    margin: 0 0 1rem 0;
    padding: 0;
    height: auto;
    min-height: 0;
    align-self: flex-start;
}

.event-page-event2 .event-doc .event-doc-section:first-of-type {
    margin-top: 0;
}

.event-page-event2 .event-doc .event-doc-section + .event-doc-section {
    margin-top: 0.75rem;
}

/* style.css の body h3（margin-top:-120px, padding-top:120px 等）を打ち消す */
.event-page-event2 .event-doc-heading {
    font-size: 1rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    padding: 0 0 0 1rem;
    padding-top: 0;
    margin-top: 0;
    margin-left: 0;
    color: #1a1a1a;
    line-height: 1.4;
    position: relative;
}

/* 見出し左の矢印（三角形） */
.event-page-event2 .event-doc-heading::before {
    content: "";
    display: inline-block;
    position: absolute;
    left: 0;
    top: 0.35em;
    width: 0;
    height: 0;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    border-left: 6px solid #00AEEF;
    margin-left: 0;
    vertical-align: middle;
}

.event-page-event2 .event-doc-p {
    margin: 0 0 0.65rem 0;
}

.event-page-event2 .event-doc-section .event-doc-p:last-child {
    margin-bottom: 0;
}

.event-page-event2 .event-doc-num {
    font-weight: 600;
    margin-top: 0.5rem;
}

.event-page-event2 .event-doc-num:first-of-type {
    margin-top: 0;
}

.event-page-event2 .event-doc-list {
    margin: 0.25rem 0 0.75rem 1.25rem;
    padding: 0;
}

.event-page-event2 .event-doc-list li {
    margin-bottom: 0.35rem;
}

.event-page-event2 .event-doc-list-circle {
    list-style-type: circle;
}

.event-page-event2 .event-doc-list-num {
    list-style-type: decimal;
}

.event-page-event2 .event-doc-list-kisoku {
    list-style-type: decimal;
    margin-left: 1.5rem;
}

.event-page-event2 .event-doc-list-kisoku li {
    margin-bottom: 0.5rem;
}

/* 競技規則タブ：中見出し【】用（矢印なし） */
.event-page-event2 .event-doc-heading-sub {
    font-size: 0.9375rem;
    font-weight: 700;
    margin: 0.75rem 0 0.35rem 0;
    padding: 0;
    margin-top: 0.75rem;
    margin-left: 0;
    color: #1a1a1a;
}

.event-page-event2 .event-doc-heading-sub:first-child {
    margin-top: 0;
}

.event-page-event2 .event-doc-heading-sub::before {
    display: none;
}

.event-page-event2 .event-doc-end {
    margin-top: 0.75rem;
    margin-bottom: 0;
    text-align: right;
    font-weight: 600;
}

.event-page-event2 .event-doc-note {
    font-size: 0.875rem;
    color: #555;
}

.event-page-event2 .event-doc-contact .event-doc-p {
    line-height: 1.9;
}

.event-page-event2 .event-page-event2-mailto-link {
    color: #00AEEF;
    text-decoration: none;
}

.event-page-event2 .event-page-event2-mailto-link:hover {
    text-decoration: underline;
}

/* 第26回大会記録タブ：テーブル前後のキャプション（右寄せ） */
.event-page-event2 .event-kiroku-caption {
    margin: 0 0 0.5rem 0;
    font-size: 0.875rem;
    color: #555;
    text-align: right;
}

.event-page-event2 .event-kiroku-table-wrap {
    margin: 1rem 0 1.5rem 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.event-page-event2 .event-kiroku-table {
    width: 100%;
    min-width: 480px;
    border-collapse: collapse;
    font-size: 0.9375rem;
    line-height: 1.6;
    background: #fff;
    border: 1px solid #dde8ec;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 174, 239, 0.08);
}

.event-page-event2 .event-kiroku-table thead th {
    background: #00AEEF;
    color: #fff;
    font-weight: 600;
    text-align: left;
    padding: 0.65rem 0.85rem;
    border: none;
    border-bottom: 2px solid #0099d6;
    font-size: 0.875rem;
}

.event-page-event2 .event-kiroku-table thead th:not(:last-child) {
    border-right: 1px solid rgba(255, 255, 255, 0.35);
}

.event-page-event2 .event-kiroku-table tbody td,
.event-page-event2 .event-kiroku-table tbody th {
    padding: 0.5rem 0.85rem;
    border-bottom: 1px solid #e8f4f8;
    border-right: 1px solid #e8f4f8;
    vertical-align: middle;
}

.event-page-event2 .event-kiroku-table tbody td:last-child,
.event-page-event2 .event-kiroku-table tbody th:last-child {
    border-right: none;
}

.event-page-event2 .event-kiroku-table tbody tr:last-child td,
.event-page-event2 .event-kiroku-table tbody tr:last-child th {
    border-bottom: none;
}

/* セクション行（○フリッパー、○潜泳 等） */
.event-page-event2 .event-kiroku-table tbody tr.section th,
.event-page-event2 .event-kiroku-table tbody td[colspan="5"] {
    background: linear-gradient(135deg, #e8f7fd 0%, #d4eff9 100%);
    font-weight: 700;
    color: #006b9e;
    padding: 0.5rem 0.85rem;
    border-bottom: 1px solid #b8e4f5;
    font-size: 0.875rem;
}

.event-page-event2 .event-kiroku-table tbody tr.section th {
    border-right: none;
}

/* データ行のゼブラストライプ（見やすさ） */
.event-page-event2 .event-kiroku-table tbody tr:not(.section):nth-child(even) td {
    background: #fafcfd;
}

/* td colspan="5" の行は常に同じ色（奇数/偶数で変えない） */
.event-page-event2 .event-kiroku-table tbody tr:has(td[colspan="5"]) td {
    background: linear-gradient(135deg, #e8f7fd 0%, #d4eff9 100%) !important;
}

.event-page-event2 .event-kiroku-table tbody tr:not(.section):hover td {
    background: #f0f9fc;
}

.event-page-event2 .event-kiroku-table tbody tr:has(td[colspan="5"]):hover td {
    background: linear-gradient(135deg, #e8f7fd 0%, #d4eff9 100%) !important;
}

.event-page-event2 .event-doc-kiroku .event-doc-title + .event-doc-meta,
.event-page-event2 .event-doc-kiroku .event-doc-title + p {
    margin-bottom: 0.5rem;
}

.event-page-event2 .event-doc-kiroku h2.event-doc-title:not(:first-child) {
    margin-top: 2rem;
}

.event-page-event2 .event-page-actions {
    text-align: center;
    margin-top: 1.5rem;
}

.event-page-event2 .event-btn-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.25rem;
    font-size: 0.9375rem;
    color: #00AEEF;
    background: #fff;
    border: 1px solid #00AEEF;
    border-radius: 6px;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
}

.event-page-event2 .event-btn-back:hover {
    background: #00AEEF;
    color: #fff;
}

/* ========================================
   event_3.html 大会申込ページ
   ======================================== */
.event-page-event3 .event-page-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: #1a1a1a;
    margin: 20px 0 0.75rem 0;
    padding: 0.4rem 0 0.4rem 1rem;
    letter-spacing: 0.06em;
    line-height: 1.35;
    border-left: 4px solid #00AEEF;
    background: linear-gradient(90deg, rgba(0, 174, 239, 0.06) 0%, transparent 100%);
}

.event-page-event3 .event-page-title::before {
    display: none;
    content: none;
}

.event-page-event3 .event-page-lead {
    font-size: 0.9375rem;
    color: #555;
    margin: 0 0 1.5rem 0;
    line-height: 1.6;
}

.event-page-event3 .event-page-event3-content {
    margin-bottom: 1.5rem;
}

.event-page-event3 .event-page-event3-section {
    margin-bottom: 2rem;
}

.event-page-event3 .event-page-event3-section:last-child {
    margin-bottom: 0;
}

.event-page-event3 .event-page-event3-heading {
    font-size: 1.0625rem;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 0.5rem 0;
    padding: 0 0 0 0.75rem;
    border-left: 3px solid #00AEEF;
}

.event-page-event3 .event-page-event3-heading::before {
    display: none;
    content: none;
}

.event-page-event3 .event-page-event3-note {
    font-size: 0.8125rem;
    color: #666;
    margin: 0 0 0.75rem 0;
    line-height: 1.6;
}

.event-page-event3 .event-page-event3-downloads {
    list-style: none;
    margin: 0;
    padding: 0;
}

.event-page-event3 .event-page-event3-downloads li {
    margin-bottom: 0.5rem;
}

.event-page-event3 .event-page-event3-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0;
    color: #00AEEF;
    text-decoration: none;
    font-weight: 500;
}

.event-page-event3 .event-page-event3-link:hover {
    text-decoration: underline;
}

.event-page-event3 .event-page-event3-email {
    margin: 0;
}

.event-page-event3 .event-page-event3-content h3 {
    margin: 0;
    padding: 0;
    padding-top: 0;
    margin-top: 0;
    margin-left: 0;
}

.event-page-event3 .event-page-event3-content h3::before {
    display: none;
    content: none;
}

.event-page-event3 .event-page-actions {
    text-align: center;
    margin-top: 1.5rem;
}

.event-page-event3 .event-btn-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.25rem;
    font-size: 0.9375rem;
    color: #00AEEF;
    background: #fff;
    border: 1px solid #00AEEF;
    border-radius: 6px;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
}

.event-page-event3 .event-btn-back:hover {
    background: #00AEEF;
    color: #fff;
}

/* ========================================
   event_4.html 広告協賛ページ
   ======================================== */
.event-page-event4 .event-page-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: #1a1a1a;
    margin: 20px 0 0.75rem 0;
    padding: 0.4rem 0 0.4rem 1rem;
    letter-spacing: 0.06em;
    line-height: 1.35;
    border-left: 4px solid #00AEEF;
    background: linear-gradient(90deg, rgba(0, 174, 239, 0.06) 0%, transparent 100%);
}

.event-page-event4 .event-page-title::before {
    display: none;
    content: none;
}

.event-page-event4 .event-page-lead {
    font-size: 0.9375rem;
    color: #555;
    margin: 0 0 1.5rem 0;
    line-height: 1.6;
}

.event-page-event4 .event-tabs {
    margin-bottom: 2rem;
}

.event-page-event4 .event-tabs-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    list-style: none;
    margin: 0;
    padding: 0;
    border-bottom: 2px solid #00AEEF;
}

.event-page-event4 .event-tab-btn {
    display: block;
    padding: 0.75rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: #0088c4;
    background: #f0f9fc;
    border: 1px solid #d4eef5;
    border-bottom: none;
    border-radius: 8px 8px 0 0;
    cursor: pointer;
    margin-bottom: -2px;
    transition: background 0.2s, color 0.2s;
}

.event-page-event4 .event-tab-btn:hover {
    background: #e0f4fc;
    color: #006b9e;
}

.event-page-event4 .event-tab-btn.active {
    background: #fff;
    color: #00AEEF;
    border-color: #00AEEF;
    border-bottom: 2px solid #fff;
}

.event-page-event4 .event-tabs-panels {
    background: #fff;
    border: 1px solid #dde8ec;
    border-top: none;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 2px 8px rgba(0, 174, 239, 0.08);
}

.event-page-event4 .event-tab-panel {
    display: none;
    padding: 0;
}

.event-page-event4 .event-tab-panel.active {
    display: block;
}

.event-page-event4 .event-page-event4-panel-inner {
    padding: 1.5rem 1.75rem 2rem;
}

.event-page-event4 .event-page-event4-dl {
    margin: 0;
}

.event-page-event4 .event-page-event4-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0;
    color: #00AEEF;
    text-decoration: none;
    font-weight: 500;
}

.event-page-event4 .event-page-event4-link:hover {
    text-decoration: underline;
}

/* 広告協賛依頼タブ：文面（Word風レイアウト） */
.event-page-event4 .event-page-event4-irai-inner {
    padding: 1.5rem 1.75rem 2rem;
}

.event-page-event4 .event-page-event4-irai-doc {
    max-width: 720px;
    margin: 0 auto;
    font-size: 0.9375rem;
    line-height: 1.9;
    color: #333;
}

.event-page-event4 .event-page-event4-irai-date {
    text-align: right;
    margin: 0 0 2rem 0;
    font-size: 0.9375rem;
}

.event-page-event4 .event-page-event4-irai-sender {
    margin: 0 0 1.5rem 0;
    text-align: right;
}

.event-page-event4 .event-page-event4-irai-sender p {
    margin: 0 0 0.2rem 0;
    font-size: 0.9375rem;
}

.event-page-event4 .event-page-event4-irai-subject {
    font-size: 1rem;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 1.5rem 0;
    padding: 0 0 0 0.75rem;
    border-left: 3px solid #00AEEF;
    line-height: 1.7;
}

.event-page-event4 .event-page-event4-irai-subject::before {
    display: none;
    content: none;
}

.event-page-event4 .event-page-event4-irai-body {
    margin: 0 0 1.5rem 0;
}

.event-page-event4 .event-page-event4-irai-body p {
    margin: 0 0 0.9rem 0;
    text-align: justify;
}

.event-page-event4 .event-page-event4-irai-body p:last-child {
    margin-bottom: 0;
}

.event-page-event4 .event-page-event4-irai-close {
    text-align: right;
    margin: 0 0 2rem 0;
    font-size: 0.9375rem;
}

.event-page-event4 .event-page-event4-irai-contact {
    margin: 0;
    padding: 1rem 1.25rem;
    background: #f5f9fa;
    border: 1px solid #e0eef2;
    border-radius: 6px;
    font-size: 0.875rem;
    line-height: 1.85;
}

.event-page-event4 .event-page-event4-irai-contact p {
    margin: 0 0 0.4rem 0;
}

.event-page-event4 .event-page-event4-irai-contact p:last-child {
    margin-bottom: 0;
}

.event-page-event4 .event-page-event4-irai-contact-head {
    font-weight: 700;
    color: #006b9e;
    margin-bottom: 0.6rem !important;
}

/* 広告協賛の案内タブ：文面 */
.event-page-event4 .event-page-event4-annai-inner {
    padding: 1.5rem 1.75rem 2rem;
}

.event-page-event4 .event-page-event4-annai-doc {
    max-width: 720px;
    margin: 0 auto;
    font-size: 0.9375rem;
    line-height: 1.8;
    color: #333;
}

/* style.css の body h2（padding-top:130px, margin 等）を打ち消す */
.event-page-event4 .event-page-event4-annai-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 0.5rem 0;
    padding: 0 0 0 0.75rem;
    border-left: 3px solid #00AEEF;
    border-bottom: solid 2px #1D73B7;
}

.event-page-event4 .event-page-event4-annai-title::before {
    display: none;
    content: none;
}

.event-page-event4 .event-page-event4-annai-subtitle {
    font-size: 1rem;
    font-weight: 600;
    color: #333;
    margin: 0 0 0.5rem 0;
}

/* style.css の body h3（margin-top:-120px, padding-top:120px 等）を打ち消す */
.event-page-event4 .event-page-event4-annai-heading {
    font-size: 1.0625rem;
    font-weight: 700;
    color: #006b9e;
    margin: 0 0 0.75rem 0;
    padding: 0;
    margin-top: 0;
    text-align: center;
}

.event-page-event4 .event-page-event4-annai-heading::before {
    display: none;
    content: none;
}

.event-page-event4 .event-page-event4-annai-spec {
    margin: 0;
    font-size: 0.9375rem;
    color: #555;
}

.event-page-event4 .event-page-event4-annai-images {
    margin-top: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.event-page-event4 .event-page-event4-annai-images img {
    display: block;
    max-width: 100%;
    height: auto;
}

/* 広告協賛の申込書タブ：ダウンロード＋注意書き（event_3 と同様） */
.event-page-event4 .event-page-event4-mousikomi-inner {
    padding: 1.5rem 1.75rem 2rem;
}

/* style.css の body h2 を打ち消す */
.event-page-event4 .event-page-event4-mousikomi-heading {
    font-size: 1.0625rem;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 0.5rem 0;
    padding: 0 0 0 0.75rem;
    border-left: 3px solid #00AEEF;
    border-bottom: none;
    min-width: 0;
    text-align: left;
}

.event-page-event4 .event-page-event4-mousikomi-heading::before {
    display: none;
    content: none;
}

.event-page-event4 .event-page-event4-mousikomi-note {
    font-size: 0.8125rem;
    color: #666;
    margin: 0 0 0.75rem 0;
    line-height: 1.6;
}

.event-page-event4 .event-page-event4-mousikomi-inner .event-page-event4-dl {
    margin: 0;
}

.event-page-event4 .event-page-actions {
    text-align: center;
    margin-top: 1.5rem;
}

.event-page-event4 .event-btn-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.25rem;
    font-size: 0.9375rem;
    color: #00AEEF;
    background: #fff;
    border: 1px solid #00AEEF;
    border-radius: 6px;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
}

.event-page-event4 .event-btn-back:hover {
    background: #00AEEF;
    color: #fff;
}

@media (max-width: 768px) {
    .event-page-event2 .event-tabs-nav {
        flex-direction: row;
        flex-wrap: nowrap;
        border-bottom: 2px solid #00AEEF;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .event-page-event2 .event-tab-btn {
        padding: 0.5rem 0.6rem;
        font-size: 0.8rem;
        flex-shrink: 0;
    }

    .event-page-event2 .event-tab-btn.active {
        border-bottom: 2px solid #fff;
    }

    .event-page-event2 .event-tabs-panels {
        border-radius: 0 0 8px 8px;
        border-top: none;
    }

    .event-page-event2 .event-pdf-iframe {
        min-height: 60vh;
        height: 60vh;
    }

    .event-page-event2 .event-tab-panel-doc {
        padding: 0.5rem 1rem 1.5rem;
    }

    .event-page-event4 .event-tabs-nav {
        flex-direction: row;
        flex-wrap: nowrap;
        border-bottom: 2px solid #00AEEF;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .event-page-event4 .event-tab-btn {
        padding: 0.5rem 0.6rem;
        font-size: 0.8rem;
        flex-shrink: 0;
    }

    .event-page-event4 .event-tab-btn.active {
        border-bottom: 2px solid #fff;
    }

    .event-page-event4 .event-tabs-panels {
        border-radius: 0 0 8px 8px;
        border-top: none;
    }

    .event-page-event4 .event-page-event4-panel-inner {
        padding: 1rem 1rem 1.5rem;
    }

    .event-page-event4 .event-page-event4-irai-inner {
        padding: 1rem 1rem 1.5rem;
    }

    .event-page-event4 .event-page-event4-irai-doc {
        font-size: 0.875rem;
    }

    .event-page-event4 .event-page-event4-irai-subject {
        font-size: 0.9375rem;
    }

    .event-page-event4 .event-page-event4-irai-contact {
        padding: 0.75rem 1rem;
        font-size: 0.8125rem;
    }

    .event-page-event4 .event-page-event4-annai-inner {
        padding: 1rem 1rem 1.5rem;
    }

    .event-page-event4 .event-page-event4-mousikomi-inner {
        padding: 1rem 1rem 1.5rem;
    }

    .event-page-event4 .event-page-event4-annai-doc {
        font-size: 0.875rem;
    }

    .event-page-event4 .event-page-event4-annai-title {
        font-size: 1rem;
    }

    .event-page-event4 .event-page-event4-annai-subtitle {
        font-size: 0.9375rem;
    }

    .event-page-event4 .event-page-event4-annai-heading {
        font-size: 1rem;
    }

    .event-page-event2 .event-doc {
        font-size: 0.875rem;
    }

    .event-page-event2 .event-doc-title {
        font-size: 1rem;
    }

    .event-page-event2 .event-doc-meta {
        font-size: 0.8125rem;
    }

    .event-page-event2 .event-doc-heading {
        font-size: 0.9375rem;
    }

    .event-page-event2 .event-doc-heading-sub {
        font-size: 0.875rem;
    }

    .event-page-event2 .event-doc-note {
        font-size: 0.8125rem;
    }

    .event-page-event2 .event-kiroku-caption {
        font-size: 0.8125rem;
    }

    .event-page-event2 .event-kiroku-table {
        font-size: 0.8125rem;
    }

    /* 大会記録テーブルはスマホでも横表示を維持（td display:block を打ち消す） */
    .event-page-event2 .event-kiroku-table td,
    .event-page-event2 .event-kiroku-table th {
        display: table-cell;
        width: auto;
        text-align: left;
    }

    .event-page-event2 .event-kiroku-table thead th {
        padding: 0.5rem 0.6rem;
        font-size: 0.75rem;
    }

    .event-page-event2 .event-kiroku-table tbody td,
    .event-page-event2 .event-kiroku-table tbody th {
        padding: 0.4rem 0.6rem;
        font-size: 0.8125rem;
    }

    .event-page-event2 .event-kiroku-table tbody tr.section th,
    .event-page-event2 .event-kiroku-table tbody td[colspan="5"] {
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .event-page-event2 .event-doc {
        font-size: 0.8125rem;
    }

    .event-page-event2 .event-doc-title {
        font-size: 0.9375rem;
    }

    .event-page-event2 .event-doc-meta {
        font-size: 0.75rem;
    }

    .event-page-event2 .event-doc-heading {
        font-size: 0.875rem;
    }

    .event-page-event2 .event-doc-heading-sub {
        font-size: 0.8125rem;
    }

    .event-page-event2 .event-doc-note {
        font-size: 0.75rem;
    }

    .event-page-event2 .event-kiroku-caption {
        font-size: 0.75rem;
    }

    .event-page-event2 .event-kiroku-table {
        font-size: 0.75rem;
        min-width: 360px;
    }

    /* 大会記録テーブルはスマホでも横表示を維持 */
    .event-page-event2 .event-kiroku-table td,
    .event-page-event2 .event-kiroku-table th {
        display: table-cell;
        width: auto;
        text-align: left;
    }

    .event-page-event2 .event-kiroku-table thead th {
        padding: 0.4rem 0.5rem;
        font-size: 0.6875rem;
    }

    .event-page-event2 .event-kiroku-table tbody td,
    .event-page-event2 .event-kiroku-table tbody th {
        padding: 0.35rem 0.5rem;
        font-size: 0.75rem;
    }

    .event-page-event2 .event-kiroku-table tbody tr.section th,
    .event-page-event2 .event-kiroku-table tbody td[colspan="5"] {
        font-size: 0.6875rem;
    }
}