.table-of-contents {
            max-width: 800px;
            margin: 40px auto;
            padding: 0 20px;
        }

        .toc-header {
            text-align: center;
            margin-bottom: 30px;
        }

        .toc-title {
            font-size: 28px;
            font-weight: bold;
            color: var(--txt-color-02);
            margin-bottom: 8px;
        }

        .toc-subtitle {
            font-size: 12px;
            color: #999;
            letter-spacing: 2px;
        }

        .toc-container {
            background: #FFFFFF;
            border-radius: 20px;
            padding: 35px 30px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }

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

        .toc-item {
            margin-bottom: 4px;
            position: relative;
        }

        .toc-item-content {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .toggle-btn {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            background: #FFE4E1;
            border: none;
            border-radius: 4px;
            color: var(--txt-color-02);
            font-size: 14px;
            font-weight: bold;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }

        .toggle-btn:hover {
            background: #FFB6C1;
            color: #FFF;
        }

        .toggle-btn.active {
            background: var(--txt-color-02);
            color: #FFF;
        }

        .toggle-btn::before {
            content: '+';
        }

        .toggle-btn.active::before {
            content: '−';
        }

        .toc-link {
            color: #666;
            text-decoration: none;
            font-size: 14px;
            display: block;
            padding: 4px 0;
            transition: color 0.2s ease;
            flex-grow: 1;
        }

        .toc-link:hover {
            color: var(--txt-color-02);
        }

        .toc-item.level-1 {
            margin-top: 12px;
            margin-bottom: 6px;
        }

        .toc-item.level-1 > .toc-item-content > .toc-link {
            font-weight: bold;
            font-size: 15px;
            color: var(--txt-color-02);
            padding: 6px 0 6px 12px;
            border-left: 3px solid var(--txt-color-02);
        }

        .toc-item.level-1 > .toc-item-content > .toc-link:hover {
            opacity: .5;
        }

        .toc-item.level-1.no-children > .toc-item-content > .toc-link {
            margin-left: 28px;
        }

        .toc-sublist {
            list-style: none;
            padding-left: 28px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .toc-sublist.active {
            max-height: 2000px;
        }

        .toc-item.level-2 {
            position: relative;
            padding-left: 15px;
        }

        .toc-item.level-2::before {
            content: '・';
            position: absolute;
            left: 0;
            top: 4px;
            color: #87CEEB;
            font-size: 18px;
        }

        .toc-item.level-2.has-children {
            padding-left: 0;
        }

        .toc-item.level-2.has-children::before {
            display: none;
        }

        .toc-item.level-2.has-children > .toc-item-content > .toc-link {
            padding-left: 0;
        }

        .toc-item.level-2 .toggle-btn {
            background: #E0F7FA;
            color: #87CEEB;
        }

        .toc-item.level-2 .toggle-btn:hover {
            background: #87CEEB;
            color: #FFF;
        }

        .toc-item.level-2 .toggle-btn.active {
            background: #87CEEB;
            color: #FFF;
        }

        .toc-item.level-3 {
            padding-left: 15px;
            font-size: 13px;
            position: relative;
        }

        .toc-item.level-3::before {
            content: '・';
            position: absolute;
            left: 0;
            top: 3px;
            color: #B0E0E6;
            font-size: 16px;
        }

        .toc-item.level-3 .toc-link {
            font-size: 13px;
        }

        /* タブレット: 1024px以下 */
        @media (max-width: 1024px) {
            .table-of-contents {
                margin: 30px auto;
            }

            .toc-title {
                font-size: 26px;
            }

            .toc-container {
                padding: 30px 25px;
            }
        }

        /* スマートフォン: 599px以下 */
        @media (max-width: 599px) {
            .table-of-contents {
                margin: 20px auto;
                padding: 0 15px;
            }

            .toc-title {
                font-size: 22px;
            }

            .toc-subtitle {
                font-size: 11px;
            }

            .toc-container {
                padding: 25px 20px;
                border-radius: 15px;
            }

            .toc-link {
                font-size: 13px;
                padding: 3px 0;
            }

            .toc-item.level-1 > .toc-item-content > .toc-link {
                font-size: 14px;
                padding: 5px 0 5px 10px;
            }

            .toc-item {
                margin-bottom: 3px;
            }

            .toc-item.level-1 {
                margin-top: 10px;
                margin-bottom: 5px;
            }

            .toggle-btn {
                width: 18px;
                height: 18px;
                font-size: 12px;
            }

            .toc-sublist {
                padding-left: 24px;
            }

            .toc-item.level-3 {
                font-size: 12px;
            }

            .toc-item.level-3 .toc-link {
                font-size: 12px;
            }
        }
        
#merit ul{
  gap: 20px;
}
        
#merit li {
    width: 100%;
    margin-top: 0px;
    height: auto;
    min-height: auto;
    margin-right: auto;
    margin-left: auto;
    padding: 20px 0px;
}

#merit li div {
    padding: 0px;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    width: 100%;
    padding: 0px 10px;
    font-size: 16px;
    margin-bottom: 0px;
}

#merit .cmn-ttl-05 .ttl-main{
  font-size: 20px;
}

.c-orange{
  color: #f03800;  
}

.cta-ttl{
  padding: 0 60px;
  font-weight: bold;
  font-size: 32px;
  letter-spacing: 4px;
  position: relative;
  margin: 50px 0px 0px;
  text-align: center;
}

#zirconiaprice .cmn-table-02.pattern-new01 table thead tr>*:nth-of-type(1){
  width: 50%;
}

#zirconiaprice .cmn-table-02.pattern-new01 table thead tr>*:nth-of-type(2){
  width: 50%;
}

@media screen and (max-width:1024px) {
 .cta-ttl{
   font-size: 28px;
   padding: 0px;
 }
}

@media screen and (max-width:599px) {
 .cta-ttl{
   font-size: 24px;
 }
}