@charset "UTF-8";:root{--color-primary:#4a3b32;--color-primary-light:#6d5446;--color-secondary:#c5a059;--color-bg-body:#fdfbf7;--color-bg-warm:#f4ebe3;--color-bg-card:#fff;--color-text-main:#332822;--color-text-sub:#8d7b72;--color-border:#e6dccd;--color-accent-pink:#f8bbd0;--color-accent-strong:#ec407a;--font-heading:'Shippori Mincho',serif;--font-en:'Playfair Display',serif;--font-body:'Noto Sans JP',sans-serif;--layout-width:1200px;--header-height:90px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-body);color:var(--color-text-main);background-color:var(--color-bg-body);background-image:url(//lesson-challenge.com/wp-content/themes/swell_child/bg-pattern.svg);background-size:120px 120px;background-attachment:fixed;line-height:1.8;letter-spacing:.05em;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit;transition:all .3s cubic-bezier(.25,.8,.25,1)}img{max-width:100%;height:auto;vertical-align:bottom}ul{list-style:none}.font-en{font-family:var(--font-en);font-style:italic}.text-center{text-align:center}.section-header{text-align:center;margin-bottom:80px}.section-subtitle{display:block;font-family:var(--font-en);font-size:1.1rem;color:var(--color-secondary);margin-bottom:10px;letter-spacing:.1em}.section-title{font-family:var(--font-heading);font-size:2.2rem;color:var(--color-primary);position:relative;display:inline-block;padding-bottom:20px}.section-title:after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:2px;background-color:var(--color-secondary)}.btn-more,.btn-contact{display:inline-flex;align-items:center;justify-content:center;padding:14px 40px;border:1px solid var(--color-primary);border-radius:50px;background:0 0;color:var(--color-primary);font-family:var(--font-en);font-size:.9rem;letter-spacing:.1em;position:relative;overflow:hidden;z-index:1}.btn-more:before,.btn-contact:before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:var(--color-primary);transform:scaleX(0);transform-origin:left;transition:transform .4s ease;z-index:-1}.btn-more:hover,.btn-contact:hover{color:#fff;border-color:var(--color-primary)}.btn-more:hover:before,.btn-contact:hover:before{transform:scaleX(1)}.header{position:fixed;top:0;width:100%;height:var(--header-height);background:rgba(255,255,255,.9);backdrop-filter:blur(10px);box-shadow:0 4px 20px rgba(0,0,0,.03);z-index:1000;transition:background .3s}.header-inner{max-width:var(--layout-width);height:100%;margin:0 auto;padding:0 30px;display:flex;justify-content:space-between;align-items:center}.logo a{text-align:left}.logo-main{display:block;font-family:var(--font-en);font-size:1.6rem;font-weight:700;color:var(--color-primary);line-height:1;margin-bottom:4px}.logo-sub{font-size:.75rem;color:var(--color-secondary);letter-spacing:.15em;display:block}.nav-list{display:flex;align-items:center}.nav-item{margin:0;position:relative}.nav-item:not(:last-child):after{content:'';position:absolute;right:0;top:50%;transform:translateY(-50%);height:15px;width:1px;background-color:var(--color-border)}.nav-item a{display:block;padding:10px 20px;font-size:.95rem;font-weight:500;color:var(--color-text-main);position:relative;font-family:var(--font-heading);letter-spacing:.05em;transition:color .3s,background .3s}.nav-item a:hover{color:var(--color-primary);background-color:rgba(197,160,89,.1)}.nav-item:last-child{margin-left:20px}.nav-item .btn-contact{padding:10px 25px;font-size:.85rem;background-color:var(--color-primary);color:#fff}.nav-item .btn-contact:hover{background-color:var(--color-secondary);border-color:var(--color-secondary)}.hamburger{display:none;width:30px;cursor:pointer}.hamburger span{display:block;width:100%;height:2px;background:var(--color-primary);margin-bottom:6px}.hero{position:relative;height:100vh;width:100%;overflow:hidden;display:flex;align-items:center;justify-content:center}.hero-slider{position:absolute;top:0;left:0;width:100%;height:100%;z-index:-2}.hero-slide{position:absolute;top:0;left:0;width:100%;height:100%;background-size:cover;background-position:center;opacity:0;animation:slideShow 24s infinite}.hero-slide:nth-child(1){animation-delay:0s}.hero-slide:nth-child(2){animation-delay:6s}.hero-slide:nth-child(3){animation-delay:12s}.hero-slide:nth-child(4){animation-delay:18s}@keyframes slideShow{0%{opacity:0;transform:scale(1)}4%{opacity:1}25%{opacity:1}29%{opacity:0;transform:scale(1.1)}100%{opacity:0;transform:scale(1)}}.hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(255,240,245,.8),rgba(255,255,255,.4));z-index:-1}.hero-content{text-align:center;z-index:10;padding:0 20px;opacity:0;animation:fadeInSlideUp 1s ease-out .5s forwards}@keyframes fadeInSlideUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.hero-copy-en{font-family:var(--font-en);font-size:1.4rem;color:var(--color-secondary);letter-spacing:.2rem;margin-bottom:15px;display:block}.hero-copy-jp{font-family:var(--font-heading);font-size:clamp(2.5rem,5vw,4rem);color:var(--color-primary);line-height:1.4;margin-bottom:25px;text-shadow:0 4px 10px rgba(255,255,255,.8)}.hero-desc{font-size:1rem;color:var(--color-text-sub);letter-spacing:.1em}.scroll-down{position:absolute;bottom:40px;left:50%;transform:translateX(-50%);font-family:var(--font-en);font-size:.8rem;color:var(--color-primary);display:flex;flex-direction:column;align-items:center;gap:15px;opacity:.7}.scroll-down:after{content:'';width:1px;height:60px;background:var(--color-primary);animation:scrollAnim 2s infinite}@keyframes scrollAnim{0%{height:0;transform:translateY(0);opacity:0}50%{height:60px;opacity:1}100%{height:0;transform:translateY(60px);opacity:0}}.about{padding:120px 0;background:linear-gradient(to bottom,#fff 0%,rgba(255,255,255,0) 100%)}.about-container{max-width:1100px;margin:0 auto;padding:0 20px}.about-content{display:flex;align-items:center;gap:60px}.about-image,.about-text{flex:1}.about-image{position:relative}.about-image img{border-radius:4px;box-shadow:20px 20px 0 var(--color-bg-warm),0 10px 40px rgba(0,0,0,.1)}.about-text p{margin-bottom:25px;font-size:1.05rem;line-height:2;text-align:justify}.services{padding:100px 0}.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:50px;max-width:var(--layout-width);margin:0 auto;padding:0 40px}.service-card{background:#fff;padding:30px 25px 30px 60px;border-radius:4px 8px 8px 4px;position:relative;transition:transform .3s ease,box-shadow .3s ease;box-shadow:10px 10px 20px rgba(0,0,0,.1),inset 10px 0 20px rgba(0,0,0,.05),inset 1px 1px 0px rgba(255,255,255,.5);border:1px solid rgba(0,0,0,.05);border-left:none;height:100%;display:flex;flex-direction:column;justify-content:flex-start;color:var(--color-text-main)}.service-card:before{content:'';position:absolute;left:0;top:0;bottom:0;width:25px;background:linear-gradient(to right,var(--color-primary) 0%,var(--color-primary-light) 50%,var(--color-primary) 100%);border-radius:4px 0 0 4px;z-index:1;box-shadow:2px 0 5px rgba(0,0,0,.2)}.service-card:after{content:'';position:absolute;right:-10px;top:5px;bottom:5px;width:10px;background:linear-gradient(to right,#fdfbf7 0%,#e0d4c3 100%);border-radius:0 4px 4px 0;z-index:-1;box-shadow:1px 1px 2px rgba(0,0,0,.1);border-left:1px solid rgba(0,0,0,.05)}.service-card:hover{transform:translateY(-5px) translateX(-2px) rotateY(-5deg);box-shadow:15px 15px 30px rgba(0,0,0,.15),inset 10px 0 20px rgba(0,0,0,.05)}.service-num{font-family:var(--font-en);font-size:3rem;color:var(--color-secondary);font-weight:700;margin-bottom:20px;opacity:.5;text-shadow:none;text-align:right;border-bottom:1px solid rgba(197,160,89,.2);padding-bottom:5px}.service-card h3{font-family:var(--font-heading);font-size:1.4rem;color:var(--color-primary);margin-bottom:10px;border-bottom:none;padding-bottom:0;line-height:1.4;text-shadow:none}.service-desc-en{font-family:var(--font-en);font-size:.8rem;color:var(--color-secondary);margin-bottom:25px;font-style:italic;display:block;letter-spacing:.1em}.service-text{font-size:.9rem;color:var(--color-text-main);line-height:1.7;font-family:var(--font-heading)}.topics{padding:100px 0;background:#fff}.topics-list{max-width:900px;margin:0 auto;padding:0 20px}.topic-item{border-bottom:1px solid rgba(0,0,0,.05)}.topic-item a{display:flex;align-items:center;padding:30px 20px;gap:30px;transition:background .3s;border-radius:4px}.topic-item:hover a{background-color:var(--color-bg-warm)}.topic-date{font-family:var(--font-en);color:#999;font-size:.95rem;min-width:100px}.topic-cat{display:inline-block;padding:6px 16px;background:#fff;border:1px solid var(--color-primary);color:var(--color-primary);font-size:.75rem;min-width:110px;text-align:center;border-radius:20px}.topic-title{font-family:var(--font-heading);font-weight:500;font-size:1.1rem;flex-grow:1}.search-area{padding:100px 0;background-color:var(--color-bg-warm)}.tag-index-container{max-width:1100px;margin:0 auto;padding:0 20px}.tag-top-link{text-align:right;margin-bottom:40px}.tag-top-link a{display:inline-block;color:var(--color-primary);font-weight:700;border-bottom:1px solid var(--color-secondary);padding-bottom:5px;font-size:1rem}.tag-top-link a:hover{color:var(--color-secondary)}.tag-group{margin-bottom:60px}.tag-group-title{font-family:var(--font-heading);font-size:1.5rem;color:#fff;background-color:var(--color-primary);padding:10px 20px;margin-bottom:30px;border-left:5px solid var(--color-secondary);display:flex;align-items:center}.tag-group-title:before{content:'●';margin-right:15px;color:var(--color-secondary);font-size:.8em}.tag-sub-group{margin-bottom:30px}.tag-sub-group h4{font-family:var(--font-heading);font-size:1.1rem;color:var(--color-secondary);border-bottom:1px solid rgba(197,160,89,.3);padding-bottom:8px;margin-bottom:15px;font-weight:700}.tag-list{display:flex;flex-wrap:wrap;gap:10px 20px}.tag-list a{font-size:.9rem;color:var(--color-text-main);padding:2px 0;position:relative;transition:color .3s}.tag-list a:hover{color:var(--color-secondary);text-decoration:underline}.tag-list-dense{gap:8px 15px}.tag-list-dense a{font-size:.85rem}.tag-columns{display:block}.tag-column{margin-bottom:0}.footer{background-color:var(--color-primary);color:#fff;padding:100px 0 30px;position:relative;overflow:hidden}.footer:before{content:'';position:absolute;top:0;left:0;width:100%;height:6px;background:linear-gradient(90deg,var(--color-secondary),#fff,var(--color-secondary))}.footer-inner{max-width:var(--layout-width);margin:0 auto;padding:0 30px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:50px}.footer-col{flex:1;min-width:250px}.logo-col .footer-logo{font-family:var(--font-en);font-size:2.5rem;margin-bottom:25px;color:var(--color-secondary)}.links-col h4{font-family:var(--font-heading);font-size:1.2rem;color:var(--color-secondary);margin-bottom:25px;border-bottom:1px solid rgba(255,255,255,.1);padding-bottom:10px;display:inline-block}.links-col ul li a{color:rgba(255,255,255,.7);font-size:.95rem;display:block;padding:5px 0}.links-col ul li a:hover{color:#fff;padding-left:5px}.profile{background-color:var(--color-bg-light);padding:60px 0}.profile-card{background:#fff;max-width:800px;margin:0 auto;padding:40px;border-radius:4px;box-shadow:0 5px 15px rgba(0,0,0,.05);border:1px solid rgba(0,0,0,.05);display:flex;flex-direction:column;align-items:center;position:relative}.profile-card:before{content:'';position:absolute;top:10px;left:10px;width:20px;height:20px;border-top:2px solid var(--color-secondary);border-left:2px solid var(--color-secondary)}.profile-card:after{content:'';position:absolute;bottom:10px;right:10px;width:20px;height:20px;border-bottom:2px solid var(--color-secondary);border-right:2px solid var(--color-secondary)}.profile-header{text-align:center;margin-bottom:30px}.profile-label{font-family:var(--font-en);color:var(--color-secondary);font-size:.9rem;letter-spacing:.1em;text-transform:uppercase}.profile-title{font-family:var(--font-heading);font-size:1.5rem;color:var(--color-primary);margin-top:5px}.profile-body{display:flex;align-items:center;gap:40px;text-align:left;width:100%}.profile-image{flex-shrink:0;width:120px;height:120px;border-radius:50%;overflow:hidden;border:3px solid #fff;box-shadow:0 5px 15px rgba(0,0,0,.1)}.profile-image img{width:100%;height:100%;object-fit:cover}.profile-info{flex-grow:1}.profile-name{font-family:var(--font-heading);font-size:1.4rem;color:var(--color-primary);margin-bottom:15px;border-bottom:1px solid rgba(0,0,0,.1);padding-bottom:10px}.profile-role{font-size:.9rem;color:var(--color-text-main);font-weight:400;margin-left:10px}.profile-desc{font-size:.95rem;line-height:1.8}@media (max-width:600px){.profile-body{flex-direction:column;text-align:center;gap:20px}.profile-name{justify-content:center}}.footer-bottom{text-align:center;padding-top:40px;border-top:1px solid rgba(255,255,255,.1);color:rgba(255,255,255,.6);font-size:.8rem}.footer-legal-links{margin-bottom:15px}.footer-legal-links a{color:rgba(255,255,255,.6);margin:0 10px;text-decoration:none;transition:color .3s}.footer-legal-links a:hover{color:var(--color-secondary)}.topics-list{max-width:800px;margin:0 auto}.topic-item{border-bottom:1px solid rgba(0,0,0,.1);padding:15px 0;transition:background-color .3s}.topic-item:hover{background-color:rgba(0,0,0,.02)}.topic-item a{display:block;text-decoration:none;padding:10px}.topic-title{font-family:var(--font-heading);font-size:1.1rem;color:var(--color-text-main);margin:0;line-height:1.4;transition:color .3s}.topic-item a:hover .topic-title{color:var(--color-secondary)}.view-more-container{text-align:center;margin-top:40px}@media (max-width:900px){.about-content{flex-direction:column}.about-image{width:100%;max-width:500px;margin:0 auto 40px}.hero-copy-jp{font-size:3rem}}@media (max-width:768px){.header-inner{padding:0 20px}.nav{display:none}.hamburger{display:block}.hero-copy-jp{font-size:2.2rem}}