*{box-sizing:border-box} :root{--navy:#183b63;--blue:#2e6fae;--ink:#1e2937;--muted:#718096;--line:#e5eaf0;--bg:#f5f7fa;--green:#21865b;--red:#c64d4d}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;padding-bottom:calc(78px + env(safe-area-inset-bottom))}
.topbar{height:66px;background:white;display:flex;align-items:center;padding:0 20px;gap:11px;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.brand-mark{width:36px;height:36px;border-radius:11px;background:var(--navy);color:white;display:grid;place-items:center;font-weight:800;font-size:19px}
.brand-title{font-weight:800;font-size:16px;letter-spacing:.02em}.brand-sub{font-size:9px;color:var(--muted);letter-spacing:.13em;margin-top:2px}
.icon-button{margin-left:auto;border:1px solid var(--line);background:white;border-radius:10px;width:37px;height:37px;font-size:20px;color:var(--navy)}
main{max-width:620px;margin:auto;padding:22px 18px 30px}.screen{display:none}.screen.active{display:block}.greeting{font-size:20px;font-weight:750;margin:4px 0 17px}
.hero{background:linear-gradient(145deg,#183b63,#2d6798);color:white;border-radius:22px;padding:22px 20px 20px;box-shadow:0 10px 25px #183b6322}
.eyebrow{font-size:10px;letter-spacing:.16em;font-weight:800;opacity:.72}.dayline{display:flex;align-items:center;justify-content:space-between;margin-top:8px;font-size:30px;font-weight:850;letter-spacing:.02em}.pill{font-size:11px;border:1px solid #ffffff66;border-radius:20px;padding:5px 10px;font-weight:600}
.hero p{font-size:13px;color:#e1eaf3;margin:8px 0 20px}.progress-track{height:7px;background:#ffffff38;border-radius:20px;overflow:hidden}.progress-fill{height:100%;width:0;background:#9bd9bd;border-radius:20px;transition:width .2s}.progress-caption{display:flex;justify-content:space-between;font-size:11px;color:#dce7f0;margin-top:8px}
.primary-button{width:100%;border:0;border-radius:13px;background:#2f73b4;color:white;font-size:15px;font-weight:750;padding:16px 18px;margin-top:18px;box-shadow:0 5px 12px #1c4f7b22}.hero .primary-button{background:white;color:var(--navy);box-shadow:none}.primary-button span{float:right;font-size:19px;line-height:16px}
.section-heading{font-weight:800;font-size:15px;margin:26px 0 12px}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.stat-card{background:white;border:1px solid var(--line);border-radius:15px;padding:13px 10px}.stat-icon{font-size:17px;color:var(--blue)}.stat-number{font-size:21px;font-weight:850;margin:7px 0 2px}.stat-label{font-size:10px;color:var(--muted)}
.menu-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.menu-card{text-align:left;background:white;border:1px solid var(--line);border-radius:15px;padding:15px;color:var(--ink);display:flex;flex-direction:column;gap:5px}.menu-symbol{font-size:22px;color:var(--blue)}.menu-card b{font-size:14px}.menu-card small{font-size:10px;color:var(--muted)}
.notice{font-size:10px;color:#7b8794;line-height:1.65;margin-top:20px}
.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:calc(65px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#ffffffed;backdrop-filter:blur(14px);border-top:1px solid var(--line);display:flex;justify-content:center;z-index:6}.nav-item{border:0;background:transparent;color:#84909d;flex:1;max-width:190px;font-size:10px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:3px}.nav-item span{font-size:20px}.nav-item.selected{color:var(--blue);font-weight:800}
.screen-top{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:12px;margin:0 0 22px}.back-button{border:0;background:transparent;color:var(--blue);font-size:14px;padding:6px 0}
.quiz-meta{display:flex;gap:7px;margin-bottom:14px}.subject-tag,.type-tag{font-size:11px;border-radius:20px;padding:6px 10px;background:#e6eef7;color:var(--navy);font-weight:700}.type-tag{background:#edf0f3;color:#687585}
.question-card{background:white;border:1px solid var(--line);border-radius:18px;padding:21px 18px;min-height:190px}.question-number{font-size:10px;letter-spacing:.14em;color:#8b98a7;font-weight:800}.question-card h1{font-size:19px;line-height:1.8;margin:15px 0 4px}
.answer-choices{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:15px}.choice-button{min-height:62px;background:white;border:1.5px solid var(--line);border-radius:14px;font-size:18px;font-weight:750;color:var(--navy)}.choice-button:disabled{opacity:1}.choice-button.correct{border-color:var(--green);background:#eaf6f0;color:var(--green)}.choice-button.wrong{border-color:var(--red);background:#fff0f0;color:var(--red)}
.feedback{background:white;border:1px solid var(--line);border-radius:15px;padding:16px;margin-top:14px;line-height:1.7;font-size:13px}.feedback.hidden,.hidden{display:none!important}.feedback .verdict{font-size:16px;font-weight:850;margin-bottom:7px}.verdict.good{color:var(--green)}.verdict.bad{color:var(--red)}.feedback b{color:var(--navy)}.feedback p{margin:7px 0}.feedback .law{background:#f3f6f9;border-radius:9px;padding:10px;margin-top:10px;font-size:12px}
.result-hero{text-align:center;padding:22px 12px 20px;background:white;border:1px solid var(--line);border-radius:20px}.result-check{margin:0 auto 13px;width:48px;height:48px;background:#e8f5ee;color:var(--green);border-radius:50%;display:grid;place-items:center;font-size:25px}.result-hero .eyebrow{color:var(--muted)}.result-hero h1{font-size:21px;margin:9px 0}.score{font-size:45px;font-weight:900;color:var(--navy)}.score span{font-size:17px;color:var(--muted)}.result-hero p{font-size:12px;color:var(--muted)}
.result-list{background:white;border:1px solid var(--line);border-radius:15px;overflow:hidden}.result-row{padding:13px 14px;border-bottom:1px solid var(--line);font-size:12px}.result-row:last-child{border:0}.result-row strong{float:right}.good-text{color:var(--green)}.bad-text{color:var(--red)}
.page-heading{margin:5px 0 20px}.page-heading .eyebrow{color:var(--blue)}.page-heading h1{font-size:26px;margin:7px 0}.page-heading p{font-size:12px;color:var(--muted)}
.review-card,.record-card{background:white;border:1px solid var(--line);border-radius:14px;padding:15px;margin-bottom:10px}.review-card h3{font-size:14px;line-height:1.6;margin:8px 0}.review-card p,.record-card p{font-size:11px;color:var(--muted);line-height:1.6}.empty-state{text-align:center;background:white;border:1px dashed #cbd5df;border-radius:15px;padding:28px 15px;color:var(--muted);font-size:13px}
.toast{position:fixed;bottom:85px;left:50%;transform:translateX(-50%);background:#26384b;color:white;padding:10px 16px;border-radius:30px;font-size:12px;opacity:0;pointer-events:none;transition:opacity .2s;z-index:20}.toast.show{opacity:1}
@media(min-width:600px){main{padding-top:30px}.hero{padding:27px}.question-card{min-height:220px}}