/* 2026年10月 秋まつり わくわくセール 特設ページ */
/* 配色はチラシ（青×黄）に合わせる */

:root {
    --blue: #0b4ea2;
    --blue-dark: #083b7c;
    --blue-pale: #eaf1fb;
    --yellow: #ffd84d;
    --cream: #fff6d6;
    --cream-border: #f1dd9a;
    --red: #d7261e;
    --green: #1a7f3c;
    --line-green: #06c755;
    --text: #222222;
    --text-sub: #5b6670;
    --border: #e3e7ec;
    --bg: #f3f6fa;
    --content-width: 555px;
}

/* 全体のリセットと共通設定 */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    /* ページ内リンクで固定ナビに見出しが隠れないようにする */
    scroll-padding-top: 64px;
}

body {
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-text-size-adjust: 100%;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

/* ① ヒーロー画像 */
.main-visual {
    width: 100%;
    background-color: var(--blue);
}

.main-visual img {
    width: 100%;
    max-width: var(--content-width);
    height: auto;
    display: block;
    margin: 0 auto;
}

/* LINE友だち追加 */
.line-add-section {
    background-color: var(--cream);
    border-bottom: 1px solid var(--cream-border);
    padding: 14px 16px;
    text-align: center;
}

.line-add-text {
    font-size: 14px;
    font-weight: bold;
    color: var(--text);
    margin-bottom: 8px;
}

.line-add-text strong {
    color: var(--red);
    font-size: 16px;
}

.line-add-note {
    font-size: 12px;
    line-height: 1.6;
    color: var(--text-sub);
    margin-bottom: 10px;
}

.line-btn {
    display: inline-block;
    background-color: var(--line-green);
    color: #ffffff;
    text-decoration: none;
    font-size: 15px;
    font-weight: bold;
    padding: 12px 32px;
    border-radius: 30px;
    box-shadow: 0 2px 0 #04a045;
    transition: opacity 0.2s ease;
}

.line-btn:hover {
    opacity: 0.85;
}

/* コンテナ */
.content-container {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 20px 16px 48px;
}

/* セクション共通 */
.info-section {
    background-color: #ffffff;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.info-section h2 {
    font-size: 18px;
    color: var(--blue-dark);
    border-left: 6px solid var(--yellow);
    padding-left: 10px;
    margin-bottom: 14px;
    line-height: 1.4;
}

.section-lead {
    font-size: 15px;
    margin-bottom: 12px;
}

.section-lead strong {
    color: var(--red);
    font-size: 18px;
}

.sub-note-inline {
    display: block;
    font-size: 12px;
    color: var(--text-sub);
}

.sub-note {
    font-size: 12px;
    color: var(--text-sub);
    margin-top: 6px;
    line-height: 1.5;
}

.text-red {
    color: var(--red);
    font-weight: bold;
}

/* ② 開催概要 */
.overview-section {
    border-top: 6px solid var(--blue);
}

.overview-row {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.overview-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.overview-row dt {
    flex-shrink: 0;
    width: 3.5em;
    font-size: 13px;
    font-weight: bold;
    color: #ffffff;
    background-color: var(--blue);
    border-radius: 4px;
    text-align: center;
    align-self: flex-start;
    padding: 2px 0;
}

.overview-row dd {
    flex: 1;
    min-width: 0;
}

.overview-date {
    font-size: 18px;
    font-weight: bold;
}

.overview-time {
    font-size: 22px;
    font-weight: bold;
    color: var(--blue-dark);
    margin-right: 6px;
}

.badge-rain {
    display: inline-block;
    font-size: 12px;
    font-weight: bold;
    color: var(--blue-dark);
    background-color: var(--yellow);
    border-radius: 4px;
    padding: 1px 8px;
    vertical-align: middle;
}

.venue-list {
    list-style: none;
}

.venue-list li {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 2px 8px;
    padding: 4px 0;
    font-size: 14px;
}

.venue-label {
    font-weight: bold;
    min-width: 4.5em;
}

.venue-name {
    flex: 1;
}

.venue-name small {
    display: block;
    font-size: 12px;
    color: var(--text-sub);
}

.venue-area {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 2px;
}

.venue-map {
    display: inline-block;
    font-size: 13px;
    color: var(--blue);
    border: 1px solid var(--blue);
    border-radius: 14px;
    padding: 2px 14px;
    margin-top: 8px;
    text-decoration: none;
    white-space: nowrap;
}

.venue-inline {
    font-size: 13px;
    color: var(--text-sub);
    margin-bottom: 12px;
}

/* ③ ページ内ナビ（スクロール時に上部に固定） */
.page-navigation {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--blue);
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.page-navigation ul {
    display: flex;
    list-style: none;
}

.page-navigation li {
    flex: 1;
    text-align: center;
}

.page-navigation a {
    display: block;
    padding: 12px 0;
    font-size: 13px;
    font-weight: bold;
    color: #ffffff;
    text-decoration: none;
    white-space: nowrap;
}

.page-navigation li + li a {
    border-left: 1px solid rgba(255, 255, 255, 0.25);
}

/* ④⑥ 景品リスト */
.prize-list {
    list-style: none;
    border: 2px solid var(--cream-border);
    border-radius: 10px;
    background-color: var(--cream);
    overflow: hidden;
}

.prize-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-bottom: 1px dashed var(--cream-border);
}

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

.prize-rank {
    flex-shrink: 0;
    width: 3em;
    font-size: 13px;
    font-weight: bold;
    color: #ffffff;
    background-color: var(--green);
    border-radius: 4px;
    text-align: center;
}

.prize-name {
    flex: 1;
    min-width: 0;
    font-size: 14px;
    font-weight: bold;
}

.prize-name small {
    display: block;
    font-size: 12px;
    font-weight: normal;
    color: var(--text-sub);
}

.prize-count {
    flex-shrink: 0;
    font-size: 14px;
    font-weight: bold;
    color: var(--blue-dark);
}

.prize-top {
    background-color: #fff0ef;
}

.prize-top .prize-rank {
    background-color: var(--red);
}

.prize-top .prize-name,
.prize-top .prize-count {
    color: var(--red);
}

/* ⑤ 参加方法 */
.method-card {
    background-color: var(--blue-pale);
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 14px;
}

.method-header {
    display: inline-block;
    font-size: 12px;
    font-weight: bold;
    color: #ffffff;
    background-color: var(--blue);
    border-radius: 12px;
    padding: 1px 12px;
    margin-bottom: 4px;
}

.method-card h3 {
    font-size: 16px;
    color: var(--red);
    margin-bottom: 8px;
}

.method-steps {
    padding-left: 1.4em;
    font-size: 14px;
    margin-bottom: 8px;
}

.method-steps li {
    margin-bottom: 4px;
}

.method-steps a {
    color: var(--blue);
}

.method-period {
    font-size: 13px;
    font-weight: bold;
    background-color: #ffffff;
    border-radius: 6px;
    padding: 6px 10px;
}

.flyer-where {
    font-size: 13px;
    background-color: #ffffff;
    border-radius: 6px;
    padding: 6px 10px;
    margin-top: 8px;
}

.method-card .line-btn {
    display: block;
    text-align: center;
    margin: 12px 0 4px;
}

.rule-box {
    border: 3px solid var(--yellow);
    background-color: var(--cream);
    border-radius: 10px;
    padding: 14px 16px;
    font-size: 14px;
}

.rule-title {
    font-size: 15px;
    font-weight: bold;
    color: var(--blue-dark);
    margin-bottom: 4px;
}

.rule-box strong {
    color: var(--red);
    font-size: 17px;
}

.rule-formula {
    font-weight: bold;
    text-align: center;
    background-color: #ffffff;
    border-radius: 6px;
    padding: 6px;
    margin: 8px 0;
}

.rule-notes {
    padding-left: 1.2em;
    font-size: 13px;
    color: var(--text-sub);
}

/* ⑦ 綿あめ */
.check-list {
    list-style: none;
    font-size: 14px;
}

.check-list li::before {
    content: "✓";
    color: var(--green);
    font-weight: bold;
    margin-right: 6px;
}

/* ⑧ マップ */
.map-image {
    display: block;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.map-image img {
    display: block;
    width: 100%;
    height: auto;
}

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

.gmap-link {
    text-align: center;
    margin-top: 12px;
}

.gmap-link a {
    display: inline-block;
    font-size: 13px;
    color: var(--blue);
    border: 1px solid var(--blue);
    border-radius: 14px;
    padding: 2px 14px;
    text-decoration: none;
}

.shop-details {
    margin-top: 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
}

.shop-details summary {
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
    color: var(--blue-dark);
    padding: 12px 14px;
    list-style: none;
    position: relative;
}

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

.shop-details summary::after {
    content: "＋";
    position: absolute;
    right: 14px;
}

.shop-details[open] summary::after {
    content: "－";
}

.shop-details[open] summary {
    border-bottom: 1px solid var(--border);
}

.shop-list {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 12px;
    padding: 8px 14px 0;
}

.shop-list li {
    font-size: 13px;
    font-weight: bold;
    color: var(--red);
    padding: 6px 0;
    border-bottom: 1px solid #f0f3f5;
}

.shop-details > .sub-note {
    padding: 4px 14px 12px;
}

/* ⑨ 注意事項 */
.notes-list {
    padding-left: 1.2em;
}

.notes-list li {
    font-size: 13px;
    color: #4c565c;
    margin-bottom: 6px;
}

/* ⑩ フッター */
.main-footer {
    background-color: #ffffff;
    border-top: 4px solid var(--blue);
    padding: 28px 16px;
    text-align: center;
}

.footer-line {
    margin-bottom: 24px;
}

.social-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.social-follow-label {
    font-size: 12px;
    color: var(--text-sub);
}

.social-icons {
    display: flex;
    gap: 12px;
}

.social-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    color: #ffffff;
    transition: opacity 0.2s ease;
}

.social-btn:hover {
    opacity: 0.85;
}

.instagram-btn {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.x-btn {
    background-color: #000000;
}

.footer-org {
    font-size: 15px;
    font-weight: bold;
    color: var(--blue-dark);
    margin-bottom: 6px;
}

.footer-links a {
    font-size: 12px;
    color: var(--text-sub);
}

.copyright {
    font-size: 11px;
    color: #9aa7b2;
    margin-top: 16px;
}