.takunu-spoiler{margin:1.5rem 0;border:1px solid #d9d9d9;border-radius:10px;background:#fff;overflow:hidden;box-shadow:0 2px 6px rgba(0,0,0,.05)}.takunu-spoiler summary{display:flex;align-items:center;gap:.75rem;cursor:pointer;user-select:none;list-style:none;padding:15px 18px;font-size:1.05rem;font-weight:600;line-height:1.5;transition:background .2s ease}.takunu-spoiler summary:hover{background:#f8f8f8}.takunu-spoiler summary::-webkit-details-marker{display:none}.takunu-spoiler summary:before{content:"";width:18px;height:18px;flex:0 0 18px;background-repeat:no-repeat;background-position:center;background-size:contain;transition:transform .25s ease;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23666' viewBox='0 0 24 24'%3E%3Cpath d='M8 5l8 7-8 7z'/%3E%3C/svg%3E")}.takunu-spoiler[open] summary:before{transform:rotate(90deg)}.takunu-spoiler[open] summary{border-bottom:1px solid #e5e5e5}.takunu-spoiler-content{padding:0 18px}.takunu-spoiler[open] .takunu-spoiler-content{padding:18px}.takunu-spoiler p:first-child{margin-top:0}.takunu-spoiler p:last-child{margin-bottom:0}.takunu-spoiler img{max-width:100%;height:auto;border-radius:6px}.takunu-spoiler a{word-break:break-word}.takunu-spoiler-content{overflow:hidden;max-height:0;opacity:0;transition:max-height .35s ease,opacity .25s ease,padding .25s ease}