.iec-app{--blue:#185aa5;--navy:#123b65;--pale:#eef6ff;--line:#d7e4f1;--green:#18864b;--amber:#fff5d8;color:#172033;font-family:"Yu Gothic",YuGothic,"Hiragino Kaku Gothic ProN",Arial,sans-serif;max-width:1180px;margin:0 auto;padding:24px 16px 56px}
.iec-app *{box-sizing:border-box}.iec-hero{padding:30px;border-radius:22px;background:linear-gradient(135deg,#eaf5ff,#fff);border:1px solid var(--line)}
.iec-outline{margin:16px 0;border:1px solid var(--line);border-radius:14px;background:#fff}.iec-outline>summary{padding:15px 17px;color:var(--navy);font-weight:700;cursor:pointer}.iec-outline-groups{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;padding:0 16px 16px}.iec-outline-groups section{padding:13px;border-radius:12px;background:var(--pale)}.iec-outline-groups h3{margin:0 0 8px;font-size:15px;color:var(--navy)}.iec-outline-groups ol{margin:0;padding-left:22px}.iec-outline-groups li{margin:4px 0;font-size:13px;line-height:1.5}
.iec-kicker{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--blue)}.iec-hero h2{margin:8px 0 8px;font-size:clamp(26px,4vw,44px);color:var(--navy)}.iec-hero p{margin:0;font-size:16px;line-height:1.8}
.iec-controls{display:grid;grid-template-columns:1fr auto;gap:12px;margin:22px 0}.iec-search span{position:absolute;clip:rect(0 0 0 0)}.iec-search input{width:100%;min-height:48px;border:1px solid #a9bfd5;border-radius:12px;padding:0 16px;font-size:16px;background:#fff}.iec-primary{border:0!important;background:var(--blue)!important;color:#fff!important;font-weight:700!important}
.iec-controls button,.iec-dialog-footer button{min-height:48px;border:1px solid #9db4cc;border-radius:12px;padding:0 18px;background:#fff;color:var(--navy);cursor:pointer}
.iec-tabs{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-bottom:16px}.iec-tab{border:1px solid var(--line);border-radius:14px;padding:12px 8px;background:#fff;cursor:pointer;color:var(--navy)}.iec-tab strong,.iec-tab span{display:block}.iec-tab span{font-size:12px;margin-top:3px}.iec-tab.is-active{background:var(--navy);color:#fff;border-color:var(--navy)}
.iec-summary{display:grid;grid-template-columns:130px 130px 1fr;gap:12px;align-items:stretch;margin:18px 0}.iec-summary>div{padding:14px 16px;border-radius:14px;background:var(--pale);border:1px solid var(--line)}.iec-summary strong{display:block;font-size:28px;color:var(--navy)}.iec-summary span{font-size:13px}.iec-progress-wrap{display:flex;flex-direction:column;justify-content:center}.iec-progress-wrap progress{width:100%;height:14px;margin-top:7px}
.iec-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.iec-card{display:grid;grid-template-columns:42px 1fr auto;gap:12px;text-align:left;align-items:center;border:1px solid var(--line);border-radius:16px;padding:16px;background:#fff;cursor:pointer;box-shadow:0 3px 12px rgba(18,59,101,.06)}.iec-card:hover{border-color:var(--blue);transform:translateY(-1px)}.iec-number{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--pale);font-weight:700;color:var(--blue)}.iec-card-copy strong,.iec-card-copy small{display:block}.iec-card-copy strong{font-size:17px;color:var(--navy)}.iec-card-copy small{margin-top:5px;line-height:1.5;color:#53657a}.iec-state{font-size:12px;font-weight:700;color:var(--blue)}.iec-card.is-complete{border-color:#9cd6b6;background:#f2fff7}.iec-card.is-complete .iec-state{color:var(--green)}
.iec-empty,.iec-error{text-align:center;padding:28px;border-radius:14px;background:#fff4f4}.iec-dialog{width:min(980px,94vw);max-height:92vh;border:0;border-radius:20px;padding:0;box-shadow:0 20px 70px rgba(0,0,0,.28)}.iec-dialog::backdrop{background:rgba(10,28,48,.68)}.iec-dialog-bar{position:sticky;top:0;z-index:3;display:flex;justify-content:flex-end;padding:10px 12px;background:#fff;border-bottom:1px solid var(--line)}.iec-close{width:42px;height:42px;border:0;border-radius:50%;font-size:28px;background:var(--pale);cursor:pointer}.iec-lesson{padding:24px 32px}.iec-breadcrumb{font-size:13px;color:#60758b}.iec-unit-label{display:inline-block;margin-top:8px;padding:5px 10px;border-radius:999px;background:var(--pale);font-size:12px;color:var(--blue)}.iec-lesson h2{font-size:clamp(26px,4vw,40px);margin:10px 0 14px;color:var(--navy)}.iec-speak{border:0;border-radius:10px;padding:10px 14px;background:#e6f2ff;color:var(--blue);font-weight:700;cursor:pointer}
.iec-sections{display:grid;gap:14px;margin-top:20px}.iec-section{padding:18px 20px;border:1px solid var(--line);border-radius:14px;background:#fff}.iec-section h3{margin:0 0 10px;font-size:18px;color:var(--navy)}.iec-section div{line-height:1.8;white-space:normal}.iec-section-example{background:#eef8ff;border-color:#b9d9f4}.iec-section-practice{background:var(--amber);border-color:#f2d886}.iec-dialog-footer{position:sticky;bottom:0;display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;padding:14px;background:#fff;border-top:1px solid var(--line)}.iec-dialog-footer button:disabled{opacity:.35;cursor:not-allowed}
.iec-answer{margin-top:14px;border-top:1px dashed #d3b85f;padding-top:12px}.iec-answer summary{display:inline-block;padding:9px 13px;border-radius:10px;background:#fff;color:var(--navy);font-weight:700;cursor:pointer}.iec-answer p{margin:10px 0 0;padding:12px 14px;border-radius:10px;background:#fff;line-height:1.7;font-weight:700;color:#133d66}
@media(max-width:760px){.iec-app{padding:14px 10px 40px}.iec-hero{padding:22px 18px}.iec-outline-groups{grid-template-columns:1fr}.iec-controls{grid-template-columns:1fr}.iec-tabs{grid-template-columns:repeat(2,1fr)}.iec-summary{grid-template-columns:1fr 1fr}.iec-progress-wrap{grid-column:1/-1}.iec-grid{grid-template-columns:1fr}.iec-card{padding:14px 12px}.iec-dialog{width:100vw;max-width:none;height:100vh;max-height:none;border-radius:0}.iec-lesson{padding:18px 14px 96px}.iec-dialog-footer{grid-template-columns:1fr 1fr}.iec-dialog-footer #iec-complete{grid-column:1/-1;grid-row:1}.iec-dialog-footer #iec-prev{grid-row:2}.iec-dialog-footer #iec-next{grid-row:2}}
.iec-app{width:calc(100vw - 48px)!important;max-width:1600px!important;margin-left:calc(50% - min(800px,calc(50vw - 24px)))!important;margin-right:0!important;transform:none!important}
main:has(#imaben-english-course) .wp-block-post-title{width:calc(100vw - 48px)!important;max-width:1600px!important;margin-left:calc(50% - min(800px,calc(50vw - 24px)))!important;margin-right:0!important;transform:none!important}
.iec-feature-nav{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 16px}.iec-feature-nav button{border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--navy);padding:11px 18px;font-weight:700;cursor:pointer}.iec-feature-nav button.is-active{background:var(--navy);border-color:var(--navy);color:#fff}
.iec-feature-panel{scroll-margin-top:20px}.iec-feature-heading{display:flex;justify-content:space-between;gap:20px;align-items:end;margin:18px 0;padding:22px;border-radius:17px;background:linear-gradient(135deg,#edf6ff,#f8fbff);border:1px solid var(--line)}.iec-feature-heading small{font-weight:700;letter-spacing:.13em;color:var(--blue)}.iec-feature-heading h2{margin:5px 0 0;font-size:30px;color:var(--navy)}.iec-feature-heading p{max-width:650px;margin:0;line-height:1.7}.iec-mini-tabs{display:flex;flex-wrap:wrap;gap:7px;margin:0 0 14px}.iec-mini-tabs button{border:1px solid var(--line);border-radius:10px;background:#fff;padding:8px 13px;color:var(--navy);font-weight:700;cursor:pointer}.iec-mini-tabs button.is-active{background:var(--blue);color:#fff;border-color:var(--blue)}
.iec-word-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.iec-word-grid article{position:relative;border:1px solid var(--line);border-radius:14px;padding:16px;background:#fff}.iec-word-grid strong,.iec-word-grid span,.iec-word-grid small{display:block}.iec-word-grid strong{font-size:21px;color:var(--navy)}.iec-word-grid span{font-size:11px;color:#60758b;margin:4px 30px 10px 0}.iec-word-grid p{font-size:13px;line-height:1.6;margin:0 0 5px}.iec-word-grid small{color:#596a7d}.iec-word-speak{position:absolute;right:10px;top:10px;border:0;background:#eaf4ff;border-radius:8px;padding:6px;cursor:pointer}
.iec-listening-list,.iec-practice-list,.iec-test-list{display:grid;gap:10px}.iec-listening-list article{display:grid;grid-template-columns:1fr auto;align-items:center;gap:14px;border:1px solid var(--line);border-radius:14px;padding:16px;background:#fff}.iec-listening-list h3,.iec-practice-list h3,.iec-test-list h3{margin:4px 0 8px;color:var(--navy)}.iec-listening-list p{margin:0 0 4px;font-size:17px;font-weight:700}.iec-listening-list span{color:#596a7d}.iec-listening-list article>div:last-child{display:flex;gap:7px}.iec-listening-list button{border:1px solid #b8cce1;background:#eef7ff;color:var(--navy);border-radius:9px;padding:9px 12px;font-weight:700;cursor:pointer}
.iec-practice-list{grid-template-columns:repeat(2,minmax(0,1fr))}.iec-practice-list article,.iec-test-list article{border:1px solid var(--line);border-radius:14px;padding:18px;background:#fff}.iec-practice-list article>small,.iec-test-list article>small{color:var(--blue);font-weight:700}.iec-practice-list p{white-space:pre-line;line-height:1.7}.iec-practice-list details{border-top:1px dashed #d4b95c;padding-top:10px}.iec-practice-list summary{font-weight:700;color:var(--blue);cursor:pointer}.iec-practice-list details b,.iec-practice-list details span{display:block;margin-top:8px}.iec-practice-list details span{font-size:13px;color:#596a7d}
.iec-test-score{position:sticky;top:10px;z-index:2;width:max-content;margin:0 0 12px auto;background:var(--navy);color:#fff;border-radius:999px;padding:9px 15px;font-weight:700}.iec-test-list article>div{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.iec-test-list button{border:1px solid var(--line);border-radius:10px;background:#f7faff;padding:12px;text-align:left;cursor:pointer}.iec-test-list button.is-correct{background:#e3f8ec;border-color:#55a878}.iec-test-list button.is-wrong{background:#fff0f0;border-color:#d56a6a}.iec-test-explain{padding:12px;border-radius:10px;background:#fff8df;line-height:1.7}.iec-retry-test{display:block;margin:18px auto;border:0;border-radius:10px;padding:12px 18px}
.iec-eiken-grid,.iec-progress-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.iec-eiken-grid article,.iec-progress-grid article{border:1px solid var(--line);border-radius:15px;padding:20px;background:#fff}.iec-eiken-grid article>span{font-size:11px;color:var(--blue);font-weight:700}.iec-eiken-grid h3,.iec-progress-grid h3{margin:8px 0;color:var(--navy)}.iec-eiken-grid p{min-height:96px;line-height:1.7}.iec-eiken-grid button{border:0;border-radius:9px;padding:9px 12px}
.iec-progress-total{display:flex;align-items:end;justify-content:center;gap:8px}.iec-progress-total strong{font-size:56px;color:var(--blue)}.iec-progress-total b{font-size:24px;color:var(--green);margin-left:14px}.iec-progress-large{height:18px;border-radius:999px;background:#e8eef5;overflow:hidden;margin:15px auto 24px;max-width:800px}.iec-progress-large span,.iec-progress-grid article>div span{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--green));border-radius:inherit}.iec-progress-grid article>strong{font-size:23px;color:var(--navy)}.iec-progress-grid article>div{height:10px;background:#e8eef5;border-radius:999px;overflow:hidden;margin:13px 0 6px}.iec-feature-message{text-align:center;padding:30px;background:var(--pale);border-radius:14px}
@media(max-width:1050px){.iec-word-grid,.iec-eiken-grid,.iec-progress-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.iec-app{width:calc(100vw - 20px)!important;max-width:none!important;margin-left:calc(50% - 50vw + 10px)!important;margin-right:0!important;transform:none!important}main:has(#imaben-english-course) .wp-block-post-title{width:calc(100vw - 20px)!important;max-width:none!important;margin-left:calc(50% - 50vw + 10px)!important;margin-right:0!important;transform:none!important}.iec-feature-nav{display:grid;grid-template-columns:repeat(2,1fr)}.iec-feature-nav button{padding:10px 7px;font-size:13px}.iec-feature-heading{display:block;padding:17px}.iec-feature-heading h2{font-size:25px}.iec-feature-heading p{margin-top:9px}.iec-word-grid,.iec-practice-list,.iec-eiken-grid,.iec-progress-grid{grid-template-columns:1fr}.iec-listening-list article{grid-template-columns:1fr}.iec-listening-list article>div:last-child{flex-wrap:wrap}.iec-test-list article>div{grid-template-columns:1fr}.iec-eiken-grid p{min-height:0}.iec-progress-total strong{font-size:44px}}