body {
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", sans-serif;
    background-color: #f7f8f9;
    margin: 20px;
    color: #202020;
}


#headerArea {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #2c3e50;
}

.headerBtn {
    position: absolute;
    right: 5%;
    top: 0;
    display: flex;
    gap: 5px;
}

button {
    border-radius: 10px;
    border: 1px solid #ccc;
    background-color: rgba(255, 255, 255, 0.9);
    font-size: 15px;
    font-weight: bold;
    color: #555;
    cursor: pointer;
}

button:hover {
    background-color: #3498db;
    color: white;
    box-shadow: 0 4px 8px rgba(52, 152, 219, 0.3);
}




#searchArea {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 5px;
    gap: 2px;
}

#chemicalInput {
    width: 50%;
    border-radius: 2px;
    caret-color: blue;
    outline: none;
    color:rgb(0, 0, 0);
    border: 1px solid #0a0a0a;
    font-size: 15px;
    transition: all 0.2s ease; /* アニメーションの設定 */
}

/* 入力しようとした時のアニメーション */
#chemicalInput:focus {
    box-shadow: 0 0 25px rgba(52, 152, 219, 0.3); /* 青い影 */
    width: 60%; /* 少しだけ伸びる演出 */
}

#confirmBtn {
    white-space: nowrap;
    border-radius: 2px;
    border: 1px solid #0a0a0a;
    background-color: rgba(235, 235, 235, 0.9);
    font-size: 14px;
    cursor: pointer;
}

#confirmBtn:hover {
    background-color: rgba(235, 235, 235, 0.9);
    color: black;
    box-shadow: 0 0 0 rgba(255, 255, 255, 0);
}



/* 結果表示エリア */
.result-wrapper {
    position: relative;
    width: 60%;
    min-width: 400px;
    margin: 20px auto;
}

.copy-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    
    background-color: #f8f9fa;
    border: 1px solid #ccc;
    border-radius: 5px;
    padding: 5px 12px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
    
    z-index: 10;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* コピー成功時の緑色 */
.copy-btn.copied {
    background-color: #d4edda;
    color: #155724;
    border-color: #c3e6cb;
}
#resultArea {
    display: block;
    white-space: nowrap;
    width: 100%;
    min-width: 400px;
    padding: 2%;
    padding-top: 1%;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    overflow: auto;
    max-height: 500px;
}

#resultArea li {
    margin-bottom: 2%;
    line-height: 1.5;
}

#resultArea small {
    display: block;
    font-size: 75%;
}

#resultArea li:hover {
    background-color: rgba(0, 0, 0, 0.05);
}




/* ローディング表示 */
.loading-container {
    display: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 150px; /* 適度な高さを確保 */
    padding: 20px;
}

/* くるくる回るリング */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 10px;
}

/* アニメーション定義 */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}




/* ヘッダーのボタンを押したときの */
#modalOverlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.25);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

#modalContent {
    background-color: white;
    padding: 20px;
    width: 75%;
    max-width: 600px;
    max-height: 75%;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 20px;
}

#modalOverlay.active {
    display: flex;
}

#modalTitle{
    align-self: center;
    line-height: 0.1;
}

#modalBody {
    flex: 1;
    overflow-y: auto;
    margin-bottom: 10px;
    padding-right: 10px;
    border-bottom: 1px solid #eee;
    padding-top: 10px;
    padding-bottom: 10px;
}

#closeModalBtn {
    align-self: center;
    padding: 8px 24px;
    cursor: pointer;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    flex-shrink: 0;
}




/* 起動時の警告 */
#precautionsOverlay, #disclaimersOverlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;

    background-color: rgba(255, 255, 255, 0.75);

    display: flex;
    justify-content: center;
    align-items: center;
    
    transition: opacity 1s ease;
}

/* 1枚目 */
#precautionsOverlay {
    z-index: 2000;
    opacity: 1;
    pointer-events: auto;
}

/* 2枚目 */
#disclaimersOverlay {
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
}

.fade-in {
    opacity: 1 !important;
    pointer-events: auto !important;
}

.fade-out {
    opacity: 0 !important;
    pointer-events: none !important;
}

#precautions, #disclaimers {
    color: #0a0a0a;
    font-size: 1.2rem;
    max-width: 80%;
    text-align: center;
    background-color: rgba(255, 255, 255, 0.8);
}