:root {
    --max: 720px;
    --gap: 20px;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
    line-height: 1.6;
}

header,
main,
footer {
    max-width: var(--max);
    margin: 0 auto;
    padding: 24px;
}

header {
    padding-top: 56px;
}

h1 {
    font-size: clamp(28px, 5vw, 40px);
    margin: 0 0 8px;
}

.muted {
    color: #666;
}

.links {
    list-style: none;
    padding: 0;
    margin: 16px 0 32px;
}

.links li {
    margin-bottom: 10px;
}

.links a {
    text-decoration: none;
    border-bottom: 1px solid currentColor;
    padding-bottom: 2px;
}

footer {
    padding-bottom: 64px;
    color: #777;
    font-size: 14px;
}

@media (prefers-color-scheme: dark) {
    body {
        background: #0b0b0b;
        color: #eaeaea;
    }

    .muted {
        color: #aaa;
    }
}

/* ▼ ディスコグラフィ用 追加スタイル ▼ */

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--gap);
}

.card {
    border: 1px solid rgba(0, 0, 0, .12);
    border-radius: 14px;
    padding: 12px;
}

.card img.cover {
    width: 100%;
    height: auto;
    border-radius: 10px;
}

.card .meta {
    font-size: 14px;
    color: #666;
}

.card .links a {
    margin-right: 10px;
}

.card iframe {
    width: 100%;
    border: none;
    border-radius: 10px;
    margin-top: 8px;
}

.video-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: 12px;
}

.video-wrapper iframe,
.spotify-embed {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* ===== Events & Appearances ===== */
.events-wrap {
    max-width: var(--max, 960px);
    margin: 0 auto;
    padding: var(--gap, 20px);
}

.events-wrap section {
    margin-top: 40px;
}

.events-wrap section>h2 {
    margin-bottom: 20px;
    font-size: 1.4rem;
    border-bottom: 2px solid #ddd;
    padding-bottom: 5px;
}

.event-list {
    display: grid;
    gap: var(--gap, 20px);
}

@media (min-width: 768px) {
    .event-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

.event-card {
    max-width: 100%;
    box-sizing: border-box;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    background: #fff;
    padding: 16px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, .05);
}

.event-title {
    font-size: 1.1rem;
    margin: 0 0 8px;
}

.event-meta {
    font-size: 0.9rem;
    color: #6b7280;
    margin: 0 0 8px;
}

.event-card p {
    margin: 0 0 10px;
}

.event-media img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

.event-caption {
    font-size: 0.85rem;
    color: #6b7280;
    margin-top: 4px;
}

/* 埋め込みの横はみ出し防止 */
.x-embed,
.instagram-embed {
    max-width: 100%;
    overflow: hidden;
}

.x-embed iframe,
.instagram-embed iframe {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
}

.event-links {
    margin-top: 8px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.event-links a {
    color: var(--link-color, #007bff);
    text-decoration: underline;
}

.year-accordion details {
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    background: #fff;
    margin-bottom: 16px;
    overflow: hidden;
}

.year-accordion summary {
    cursor: pointer;
    user-select: none;
    padding: 12px 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.year-accordion .chev {
    width: 0;
    height: 0;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    border-left: 8px solid #6b7280;
    transition: transform .2s ease;
}

.year-accordion details[open] .chev {
    transform: rotate(90deg);
}

.year-accordion .year-title {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.year-accordion .year-count {
    color: #6b7280;
    font-size: .9rem;
}

.year-accordion .event-list,
#hosted-list.event-list,
#appearance-list.event-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, 100%);
    justify-content: center;
    gap: var(--gap, 20px);
    padding: 1%;
}

@media (max-width: 360px) {

    .year-accordion .event-list,
    #hosted-list.event-list,
    #appearance-list.event-list {
        grid-template-columns: 1fr;
        /* 1列に */
    }

    .event-card {
        max-width: 100%;
    }
}

@media (min-width: 768px) {
    .year-accordion .event-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

.year-close-wrap {
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    margin-top: 8px;
}

.year-close-icon {
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.year-close-icon:hover .up-chevron {
    border-bottom-color: var(--link-color, #007bff);
}

.up-chevron {
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid #6b7280;
    transition: border-bottom-color 0.2s ease;
}

.event-card {
    word-wrap: break-word;
    overflow-wrap: anywhere;
}

/* ダークモード */
@media (prefers-color-scheme: dark) {

    a {
        color: #60a5fa;
    }

    a:hover,
    a:focus {
        color: #93c5fd;
    }

    .card {
        border-color: rgba(255, 255, 255, .16);
    }

    .card .meta {
        color: #aaa;
    }

    .event-card {
        background-color: #0b0b0b;
        color: #f9fafb;
        border: 1px solid #374151;
    }

    .event-meta {
        color: #d1d5db;
    }

    .event-caption {
        color: #9ca3af;
    }

    /* 年アコーディオンの枠やsummary */
    .year-accordion details {
        background-color: transparent;
        border: none;
    }

    .year-accordion summary {
        color: #f9fafb;
        border-bottom: 1px solid #374151;
    }

    /* 閉じる▲の色もworks基調 */
    .up-chevron {
        border-bottom-color: #d1d5db;
    }

    .year-close-icon:hover .up-chevron {
        border-bottom-color: #60a5fa;
    }

}