* {
    box-sizing: border-box;
}
body{
    margin: 0;
    color: 000;
    font-family: sans-serif;
}
header{
    text-align: center;
    padding: 30px 15px;
}
ul{
  display: inline-block;
  text-align: left;
}
main{
    max-width: 1000px;
    margin: 30px auto;
    padding: 0 20px;
}
section{
    margin-bottom: 30px;
}
.summary{
    margin: 30px 0;
}
.container{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}
.info-card{
    background: white;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 6px #00000010;
}
.summary-num{
    font-size: 28px;
    font-weight: bold;
    color: #5969a8;
}
.info-card p{
    margin: 5px 0;
}
.live-list{
    display: grid;
    grid-template-columns: repeat(1,1fr);
    gap: 15px;
}
.live-card{
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 6px #00000010;
    transition: transform 0.2s;
}
.live-card:hover{
    transform: translateY(-3px);
}
.live-card h3{
    margin: 0 0 8px;
}
.live-date{
    font-size: 14px;
}
.live-song-count{
    font-size: 14px;
}
.live-checkbox{
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 15px;
    cursor: pointer;
    font-weight: bold;
}
.live-checkbox input{
    width: 18px;
    height: 18px;
    cursor: pointer;
}
#uncollected-list {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 6px #00000010;
}

.song-item {
    padding: 12px 5px;
    border-bottom: 1px solid #eee;
}

.song-item:last-child {
    border-bottom: none;
}
@media (max-width: 600px) {
    .live-list {
        grid-template-columns: 1fr;
    }

    .summary-container {
        grid-template-columns: repeat(2,1fr);
    }
}
.tour-section {
    margin-bottom: 40px;
}

/* ツアータイトル */
.tour-title {
    font-size: 20px;
    font-weight: bold;
    padding: 10px 0;
    margin-bottom: 15px;
    border-bottom: 2px solid #5969a8;
}

/* 公演カード一覧 */
.tour-section .live-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

/* 公演名 */
.live-card h4 {
    margin: 0 0 8px;
    font-size: 17px;
}

/* スマートフォン */
@media (max-width: 600px) {
    .tour-section .live-list {
        grid-template-columns: 1fr;
    }
}
.live-summary {
    margin: 30px 0;
}

.live-summary h2 {
    margin-bottom: 15px;
}

.live-summary-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.live-summary-card {
    background: white;
    padding: 20px 10px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.live-summary-card p {
    margin: 5px 0;
}

.summary-number {
    font-size: 28px;
    font-weight: bold;
    color: #5969a8;
}

@media (max-width: 600px) {
    .live-summary-container {
        grid-template-columns: 1fr;
    }
}
.share-x-button {
    display: block;
    margin: 20px auto;
    padding: 12px 24px;
    background-color: #000;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    transition: opacity 0.2s;
}

.share-x-button:hover {
    opacity: 0.75;
}