/* Shared visual language, ordinary core blocks remain directly editable. */
.scb-page.sc4-page{max-width:1440px!important;color:#142034;font-family:'Noto Sans JP','Yu Gothic',Meiryo,system-ui,sans-serif;line-height:1.7;margin:24px auto;font-size:16px}
.sc4-page h1,.sc4-page h2,.sc4-page h3{color:#0b1423;letter-spacing:-.02em}.sc4-page h1{font-size:36px}.sc4-page h2{font-size:25px}.sc4-page h3{font-size:19px}
.sc4-page .sc4-muted{color:#64738a;font-size:14px;margin:0 0 10px}.sc4-page .sc4-en{font-size:14px;font-weight:700;color:#0764f7;letter-spacing:.025em;margin:0 0 4px}.sc4-page .sc4-lead{font-size:20px;font-weight:600;margin:0 0 9px}
.sc4-page .sc4-panel{background:#fff;border:1px solid #e0e8f1;border-radius:7px;padding:22px;margin:12px 0;box-shadow:0 2px 6px #21365003}
.sc4-page .sc4-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));counter-reset:stages;gap:14px;margin:18px 0;padding:10px 0;border-top:1px solid #e3eaf2;border-bottom:1px solid #e3eaf2}
.sc4-steps>.sc4-step{margin:0!important;counter-increment:stages}.sc4-page .sc4-step .wp-block-buttons{margin:0;display:block}.sc4-page .sc4-step .wp-block-button{width:100%}.sc4-page .sc4-step .wp-block-button__link{display:flex;align-items:center;gap:14px;background:transparent;border:0;text-align:left;padding:6px 12px;font-size:15px;font-weight:700;white-space:normal}
.sc4-step .wp-block-button__link:before{content:'0' counter(stages);display:grid;place-items:center;width:36px;height:36px;flex:0 0 36px;border-radius:50%;background:#a8b1bf;color:#fff;font-size:13px}.sc4-step.is-active .wp-block-button__link:before,.sc4-unit .sc4-step-discover .wp-block-button__link:before{background:#0674ff}.sc4-step .wp-block-button__link:after{content:'›';margin-left:auto;font-size:24px;color:#8192a6}
.sc4-page .sc4-hero{position:relative;align-items:center;margin:0!important;gap:0;min-height:235px;background:#f6faff}.sc4-hero>.wp-block-column:first-child{flex-basis:47%;z-index:1;padding:22px 20px}.sc4-hero>.wp-block-column:last-child{flex-basis:53%;margin:0!important}.sc4-hero .wp-block-image{margin:0}.sc4-hero img{height:250px!important;max-height:260px!important;object-fit:cover!important;border-radius:0!important;mask-image:linear-gradient(to right,transparent,#000 28%)}.sc4-hero h1{font-size:44px;margin-top:4px}.sc4-hero h1:after{content:'';display:block;background:#096aff;width:30px;height:3px;margin-top:12px}
.sc4-unit{counter-reset:sections}.sc4-page .sc4-overview-row{margin:0!important;gap:24px;align-items:center}.sc4-overview-row>.wp-block-column{margin:0!important}.sc4-overview-row>.wp-block-column:first-child{flex-basis:23%;flex-grow:0}.sc4-overview-row>.wp-block-column:nth-child(2){flex-basis:31%;flex-grow:0}.sc4-overview-row>.wp-block-column:nth-child(3){flex-basis:46%;flex-grow:1}.sc4-page .sc4-two-part>.wp-block-column:nth-child(2){flex-basis:77%;flex-grow:1}
.sc4-label{position:relative;padding-left:52px;counter-increment:sections}.sc4-label:before{content:'0' counter(sections);position:absolute;left:0;top:0;display:grid;place-items:center;background:#0875ff;color:white;width:38px;height:38px;border-radius:50%;font-size:15px;font-weight:700}.sc4-label h2{font-size:28px;margin:0 0 10px}.sc4-label h2:after{content:'';display:block;width:25px;height:2px;background:#0672ff;margin:6px 0}.sc4-page .sc4-label .sc4-muted{font-size:13px;margin:0}
.sc4-page .sc4-video-thumb figure{margin:0}.sc4-video-thumb img{aspect-ratio:16/9;object-fit:cover!important;max-height:190px!important}.sc4-discovery-copy h3{font-size:22px}.sc4-page .sc4-discovery-copy .wp-block-buttons{margin:10px 0 0}.sc4-page .sc4-discovery-copy p{font-size:14px;margin-bottom:8px}
.sc4-page .sc4-home-lessons .wp-block-buttons{display:block;margin:0;border:1px solid #e0e8f1;border-radius:5px;overflow:hidden;counter-reset:lessons}.sc4-home-lessons .wp-block-button{margin:0!important;border-bottom:1px solid #e8edf4;counter-increment:lessons}.sc4-home-lessons .wp-block-button:last-child{border:0}.sc4-page .sc4-home-lessons .wp-block-button__link{display:flex;align-items:center;gap:12px;width:100%;padding:5px 14px;border:0;background:#fff;border-radius:0;font-size:13px;text-align:left}.sc4-home-lessons .wp-block-button__link:before{content:counter(lessons);display:grid;place-items:center;width:21px;height:21px;border-radius:50%;background:#e5f0ff;color:#496581;font-size:12px;flex-shrink:0}
.sc4-page .sc4-home-preview{display:grid;grid-template-columns:1fr 1fr;gap:5px 16px;align-items:center;border:1px solid #e3eaf3;border-radius:6px;padding:12px}.sc4-home-preview h3,.sc4-home-preview p{grid-column:1;margin:0!important}.sc4-home-preview figure{grid-column:2;grid-row:1/4;margin:0!important}.sc4-page .sc4-home-preview .scb-formula{padding:4px 10px;font-size:27px}.sc4-home-preview img{max-height:180px!important}
.sc4-page .sc4-difficulty-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:0!important}.sc4-page .sc4-difficulty{position:relative;border:1px solid #dfe7f0;border-radius:6px;padding:14px 10px 12px 50px;margin:0!important;min-width:0;background:white}.sc4-difficulty:before{content:'';position:absolute;left:12px;top:20px;width:28px;height:32px;background:var(--scb-icon) center/contain no-repeat}.sc4-page .sc4-difficulty .wp-block-buttons{margin:0 0 4px;display:block}.sc4-page .sc4-difficulty .wp-block-button__link{font-size:16px;font-weight:700;padding:0;border:0;background:transparent;border-radius:0;text-align:left}.sc4-page .sc4-difficulty p{font-size:12px;color:#68778a;line-height:1.5;margin:0}
.sc4-page .sc4-application-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.sc4-page .sc4-application{display:flex;align-items:center;gap:14px;border:1px solid #e0e8f1;border-radius:6px;padding:6px;margin:0!important}.sc4-application figure{width:110px;flex-shrink:0;margin:0!important}.sc4-application img{height:72px!important;object-fit:cover!important}.sc4-page .sc4-application .wp-block-buttons{margin:0}.sc4-page .sc4-application .wp-block-button__link{padding:0;background:transparent;border:0;text-align:left;font-size:15px}.sc4-page .sc4-review-strip{display:flex;align-items:center;gap:20px;padding:13px 20px;border:1px solid #e0e8f1;border-radius:6px;margin:12px 0}.sc4-page .sc4-review-strip>*{margin:0!important}.sc4-review-strip>.wp-block-buttons{margin-left:auto!important}
.sc4-page .sc4-page-heading{padding:12px 0;border-bottom:1px solid #e0e8f1;margin-bottom:20px}.sc4-page-heading .sc4-steps{border:0;max-width:720px;margin-left:auto}.sc4-page .sc4-lesson-columns{gap:18px;align-items:flex-start}.sc4-lesson-columns>.wp-block-column:first-child{flex-basis:245px;flex-grow:0}.sc4-lesson-columns>.wp-block-column:last-child{flex-basis:0;flex-grow:1}.sc4-topic-menu{border:1px solid #e0e8f1;border-radius:6px;overflow:hidden;counter-reset:topics;background:#fff}.sc4-topic-menu h3{padding:18px;margin:0!important}.sc4-topic{counter-increment:topics;margin:0!important;border-top:1px solid #e4eaf2}.sc4-page .sc4-topic .wp-block-buttons{margin:0;display:block}.sc4-topic .wp-block-button{width:100%}.sc4-page .sc4-topic .wp-block-button__link{display:flex;align-items:center;gap:12px;background:white;border:0;border-left:4px solid transparent;border-radius:0;padding:13px 14px;font-size:14px;text-align:left;font-weight:500}.sc4-topic .wp-block-button__link:before{content:counter(topics);width:26px;height:26px;flex-shrink:0;display:grid;place-items:center;background:#eef3f9;border-radius:50%}.sc4-page .sc4-topic.is-active .wp-block-button__link{background:#f1f7ff;color:#2064ad;border-left-color:#418edb;font-weight:700}.sc4-topic.is-active .wp-block-button__link:before{background:#296fbb;color:white}
.sc4-lesson-body .sc4-panel:first-child{margin-top:0}.sc4-lesson-body h2{position:relative;padding-left:19px}.sc4-lesson-body h2:before{content:'';position:absolute;left:0;top:6px;width:6px;height:24px;border-radius:3px;background:#2e79c5}.sc4-page .sc4-highlight{padding:12px 16px;background:#f2f7fd;border-radius:5px;color:#205b93;font-weight:700}.sc4-page .scb-formula{font:italic 32px/1.5 Georgia,serif;color:#101d30}.sc4-lesson-body .wp-block-image img{max-height:275px}.sc4-lesson-body .wp-block-columns{margin:0!important}
.sc4-page.sc4-exercise{max-width:1250px!important}.sc4-exercise h1{font-size:32px}.sc4-exercise .sc4-panel{padding:12px 20px;margin:10px 0}.sc4-exercise h3{font-size:17px;margin:0 0 9px}.sc4-exercise .sc4-question{min-height:205px;padding:20px}.sc4-page .sc4-question .scb-formula{background:none;border:0;padding:0;margin:0 0 10px;font-size:34px}.sc4-question p{margin:0 0 6px}.sc4-exercise .sc4-question-text{font-size:20px;line-height:1.9;max-width:1000px}.sc4-exercise .scb-stage-nav{margin:16px 0 12px;padding:4px}.sc4-exercise .scb-tab.is-current .wp-block-button__link{outline:1px solid #0677ff;background:#eef6ff}.sc4-exercise .scb-tab .wp-block-button__link{min-height:54px;padding:10px;font-size:16px}.sc4-exercise .scb-tab .wp-block-button__link:before{width:28px;height:28px}
.sc4-rating .scb-ratings button{display:flex;align-items:center;justify-content:center;gap:18px;min-height:44px;padding:8px;font-size:15px;border-radius:5px}.sc4-rating .scb-ratings b{font-size:30px;font-weight:400;line-height:1}.sc4-rating .scb-rating-status{font-size:11px;margin-top:5px}.sc4-page .sc4-linklist .wp-block-buttons{display:grid;gap:6px;margin:0}.sc4-page .sc4-linklist .wp-block-button__link{display:block;text-align:left;width:100%;background:#fff;font-size:14px;font-weight:500;padding:7px 18px;border-radius:4px}.sc4-exercise .wp-block-details{margin:10px 0;padding:12px 22px}.sc4-exercise summary{font-size:18px}.sc4-page .sc4-exam-note{font-size:12px;color:#4e6881;margin:4px 0}
.sc4-page .wp-block-button__link:hover{color:#075ff0;background-color:#f3f8ff}.sc4-page .scb-dark .wp-block-button__link:hover{color:#fff;background:#263c53}.sc4-page .wp-block-button__link:focus-visible{outline:3px solid #0675ff;outline-offset:2px}
@media(max-width:1100px){.sc4-page .sc4-overview-row{gap:16px}.sc4-label{padding-left:42px}.sc4-label:before{width:32px;height:32px}.sc4-page .sc4-difficulty{padding-left:38px}.sc4-difficulty:before{left:8px;width:23px}.sc4-home-preview{grid-template-columns:1fr!important}.sc4-home-preview figure{display:none}.sc4-page .sc4-step .wp-block-button__link{font-size:12px;padding:6px;gap:7px}.sc4-lesson-columns>.wp-block-column:first-child{flex-basis:210px}}
@media(max-width:781px){.scb-page.sc4-page{padding:0 10px;font-size:15px}.sc4-page .sc4-hero{display:block}.sc4-hero>.wp-block-column:first-child{padding:18px 10px}.sc4-hero img{height:150px!important;mask-image:none}.sc4-hero h1{font-size:36px}.sc4-page .sc4-steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:5px}.sc4-page .sc4-step .wp-block-button__link{font-size:13px}.sc4-page .sc4-overview-row>.wp-block-column,.sc4-page .sc4-lesson-columns>.wp-block-column{flex-basis:100%!important;margin:0!important}.sc4-page .sc4-panel{padding:16px}.sc4-page .sc4-overview-row{gap:14px}.sc4-home-preview figure{display:block}.sc4-home-preview{grid-template-columns:1fr 1fr!important}.sc4-page .sc4-difficulty-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sc4-page .sc4-application-grid{grid-template-columns:1fr}.sc4-page .sc4-review-strip{display:block}.sc4-page .sc4-review-strip>*{margin:6px 0!important}.sc4-page .sc4-topic-menu{margin-bottom:12px}.sc4-page .sc4-lesson-columns{display:block}.sc4-page .sc4-topic .wp-block-button__link{padding:9px 12px}.sc4-page .scb-formula{font-size:27px}.sc4-exercise h1{font-size:27px}.sc4-rating .scb-ratings{gap:6px}.sc4-rating .scb-ratings button{display:block;font-size:11px;padding:8px 3px}.sc4-rating .scb-ratings b{display:block;font-size:28px;margin-bottom:4px}.sc4-exercise .sc4-question-text{font-size:18px}.sc4-page .sc4-linklist .wp-block-button__link{font-size:13px}.sc4-exercise .scb-tab .wp-block-button__link{font-size:14px;gap:8px}.sc4-page .sc4-home-preview h3{font-size:18px}}

.sc4-page .sc4-hero-actions .wp-block-buttons{margin:14px 0 0;gap:12px}.sc4-page .sc4-hero-actions .wp-block-button__link{min-width:170px;text-align:center;color:#0662ff;border-color:#0662ff;background:#fff;padding:9px 18px}.sc4-page .sc4-hero-actions .scb-dark .wp-block-button__link{background:#0b2140;color:#fff;border-color:#0b2140}.sc4-page .sc4-hero img{height:100%!important;min-height:280px}.sc4-page .sc4-hero-actions{margin:0}.sc4-page .wp-block-button__link,.sc4-page button{font-family:inherit}@media(max-width:781px){.sc4-page .sc4-hero-actions .wp-block-button{flex:1}.sc4-page .sc4-hero-actions .wp-block-button__link{min-width:0;width:100%;font-size:13px;padding:10px}.sc4-page .sc4-hero img{min-height:0;height:150px!important}}