@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700&display=swap");:root{--mercari-red:#e60012;--light-gray:#f1f3f5;--gray:#dee2e6;--dark-gray:#495057;--text-color:#212529}.tool-container{background-color:#fff;border-radius:16px;box-shadow:0 8px 32px rgba(0,0,0,.08);margin:40px auto;max-width:600px;padding:30px 40px;text-align:center;width:90%}.quiz-title{color:#343a40;font-size:1.7rem;margin-bottom:8px}.quiz-subtitle{color:#6c757d!important;font-size:1.2rem!important;margin-bottom:24px!important}.region-trigger{background-color:var(--light-gray);border:none;border-radius:8px;color:var(--dark-gray);cursor:pointer;font-size:1.1rem;font-weight:700;margin-top:10px;outline:none;padding:15px;position:relative;text-align:left;transition:background-color .3s ease;width:100%}.region-trigger:after{color:#868e96;content:"▼";font-size:.8em;position:absolute;right:15px;transition:transform .3s ease}.region-trigger.active:after{transform:rotate(180deg)}.region-trigger:hover{background-color:#e9ecef}.quiz-panel,.region-panel{background-color:#fff}.is-hidden{display:none}.prefecture-list{list-style:none;margin:0;padding:5px 0}.prefecture-list>li{border-bottom:1px solid var(--light-gray)}.prefecture-list>li:last-child{border-bottom:none}.prefecture-trigger{background:none;border:none;color:var(--mercari-red);cursor:pointer;font-size:1rem;font-weight:700;padding:14px 20px;position:relative;text-align:left;width:100%}.prefecture-trigger:after{color:var(--gray);content:"+";font-size:1.2rem;position:absolute;right:15px}.prefecture-trigger.active:after{content:"−"}.quiz-panel{background-color:#fdfdfd;padding:0 20px}.quiz-prompt{color:var(--dark-gray);font-size:1rem;margin-bottom:15px;padding-top:15px}.highlight-tendency{color:var(--mercari-red);font-weight:700}.reveal-button{background-color:var(--mercari-red);border:none;border-radius:50px;color:#fff;cursor:pointer;font-size:1rem;font-weight:700;margin-bottom:20px;padding:10px 25px;transition:background-color .3s ease,opacity .3s ease}.reveal-button:hover{background-color:#c4000f}.answer-panel{background-color:#fff8f8;border-radius:8px;margin-bottom:20px;max-height:0;overflow:hidden;padding:0 20px;transition:max-height .4s ease-in-out}.answer-item{color:var(--mercari-red)!important;font-size:1.8rem!important;font-weight:700!important;margin-bottom:10px!important;margin-top:20px!important}.answer-reason{color:#6c757d!important;font-size:1.1rem!important;margin-bottom:20px!important}