:root{--clr-primary: #00ACEA;--clr-secondary: #00EFD1;--clr-dark: #333333;--clr-light: #f8f9fa;--gradient: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-secondary) 100%);--ff-base: "Poppins", "Noto Sans JP", sans-serif;scroll-behavior:smooth;scroll-padding-top:80px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--ff-base);color:var(--clr-dark);line-height:1.6}.container{width:min(92%,1100px);margin:0 auto}.section{padding:100px 0}.section-title{text-align:center;font-size:2rem;font-weight:600;margin-bottom:3rem}.section-title:after{content:"";display:block;width:120px;height:4px;margin:.6rem auto 0;background:var(--gradient);border-radius:2px}.btn-primary,.btn-outline,.btn-secondary{display:inline-block;padding:.75rem 1.8rem;border-radius:50px;font-weight:600;text-align:center;text-decoration:none;cursor:pointer;transition:transform .25s,box-shadow .25s}.btn-primary{background:var(--gradient);color:#fff;border:.1rem solid transparent}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 8px 20px #00000026}.btn-primary.large{font-size:1.05rem}.btn-primary.small{padding:.5rem 1.2rem;font-size:.9rem;color:#fff}.header{position:fixed;inset:0 0 auto;background:#ffffffe6;backdrop-filter:blur(6px);box-shadow:0 2px 10px #0000000d;z-index:1000}.nav{display:flex;justify-content:space-between;align-items:center;padding:.8rem 0}.logo{font-size:1.6rem;font-weight:700;background:var(--gradient);-webkit-background-clip:text;color:transparent;text-decoration:none;-webkit-text-decoration:none;display:inline-block}.nav-links{display:flex;align-items:center;gap:1.2rem}.nav-links a{color:var(--clr-dark);text-decoration:none;font-weight:500}.nav-links .lang{margin-left:.8rem}.hero{position:relative;overflow:hidden;min-height:85vh;padding:160px 0 120px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:url(./resources/img/hero.jpg) no-repeat center/cover;color:#fff;clip-path:polygon(0 0,100% 0,100% 85%,0 100%)}.hero-content h1{font-size:3.5rem;line-height:1.2;margin-bottom:1.5rem}.hero-content .lead{font-size:1.5rem;line-height:1.6;margin-bottom:3rem}@media (max-width: 768px){.hero{background-image:url(./resources/img/hero-sp.jpg);clip-path:none;padding:0;height:95vh;min-height:95vh;display:flex;flex-direction:column;justify-content:flex-end}.hero-content{width:96%;padding-bottom:2.5rem;display:flex;flex-direction:column;align-items:center;justify-content:flex-end}.hero-content h1{font-size:2.5rem}.hero-content .lead{font-size:1.25rem}}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(#0006,#0006);z-index:0;pointer-events:none}.hero-content{position:relative;z-index:1;bottom:-2rem}.hero-content .btn-primary{margin-top:2rem}.usage{padding:100px 0;background:#fff}.usage-description{text-align:center;max-width:600px;margin:0 auto 2.5rem;font-size:1.1rem;line-height:1.6;color:var(--clr-dark);opacity:.9}.chat-container{max-width:800px;margin:0 auto;padding:2rem;background:var(--clr-light);border-radius:20px;box-shadow:0 8px 30px #00000014}.chat-message{display:flex;gap:1rem;margin-bottom:1rem;align-items:flex-start}.chat-message.ai{flex-direction:row}.chat-message.user{flex-direction:row;justify-content:flex-end}.chat-message .avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;overflow:hidden}.chat-message.ai .avatar{background:var(--gradient)}.chat-message.user .avatar{background:var(--clr-primary);color:#fff}.chat-message .message{background:#fff;padding:.8rem 1.2rem;border-radius:16px;box-shadow:0 2px 8px #0000000d;max-width:80%}.chat-message.ai .message{border-top-left-radius:4px;margin-left:.5rem}.chat-message.user .message{border-top-right-radius:4px;background:var(--clr-primary);color:#fff;margin-right:.5rem;order:-1}.chat-hidden{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}.chat-visible{opacity:1;transform:translateY(0)}.typing-indicator{display:flex;gap:1rem;margin-bottom:1rem;align-items:flex-start}.typing-indicator.ai{flex-direction:row}.typing-indicator:not(.ai){flex-direction:row;justify-content:flex-end}.typing-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--clr-primary);font-size:16px}.typing-message{background:#f0f0f0;padding:1rem 1.5rem;border-radius:16px;max-width:80%}.typing-indicator.ai .typing-message{border-top-left-radius:4px;margin-left:.5rem}.typing-indicator:not(.ai) .typing-message{border-top-right-radius:4px;background:var(--clr-primary);margin-right:.5rem;order:-1}.typing-dots{display:flex;gap:4px;align-items:center}.typing-dots span{width:8px;height:8px;border-radius:50%;background:#999;animation:typing 1.4s infinite ease-in-out}.typing-dots span:nth-child(1){animation-delay:-.32s}.typing-dots span:nth-child(2){animation-delay:-.16s}.typing-dots span:nth-child(3){animation-delay:0s}@keyframes typing{0%,80%,to{opacity:.3;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}@media (max-width: 768px){.usage-description{font-size:1rem;margin-bottom:2rem;padding:0 1rem}.chat-container{padding:1.5rem}.chat-message .message{max-width:90%}.chat-message .avatar{width:28px;height:28px}.typing-avatar{width:28px;height:28px;font-size:14px}}.story .pain-solution{display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.story .item{background:var(--clr-light);border-radius:14px;padding:2rem;box-shadow:0 6px 22px #0000000f}.story .solution{margin-top:.8rem;color:var(--clr-primary);font-weight:600}.ps-label{position:absolute;top:12px;left:12px;padding:.25rem 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3rem;font-size:1.1rem;line-height:1.6;color:var(--clr-dark);opacity:.9}.learning-steps{display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));margin-bottom:4rem;max-width:1000px;margin-left:auto;margin-right:auto}.step-card{position:relative;background:#fff;border-radius:20px;padding:2.5rem 2rem;text-align:center;box-shadow:0 6px 22px #0000000f;transition:transform .3s ease,box-shadow .3s ease}.step-card:hover{transform:translateY(-6px);box-shadow:0 12px 30px #0000001a}.step-number{position:absolute;top:-15px;left:50%;transform:translate(-50%);width:40px;height:40px;background:var(--gradient);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem;box-shadow:0 4px 12px #00000026}.step-icon{margin:1rem 0}.step-icon i{font-size:2.5rem;background:var(--gradient);-webkit-background-clip:text;background-clip:text;color:transparent}.step-card h3{font-size:1.3rem;margin-bottom:1rem;color:var(--clr-dark)}.step-card p{line-height:1.6;color:#666}.quiz-demo{margin-top:4rem}.quiz-demo h3{text-align:center;font-size:1.4rem;margin-bottom:1rem;color:var(--clr-dark)}.quiz-demo-note{text-align:center;font-size:.9rem;color:#666;margin-bottom:2rem;font-style:italic}.quiz-container{max-width:700px;margin:0 auto;background:#fff;border-radius:20px;box-shadow:0 8px 30px #00000014;overflow:hidden}.quiz-header{background:var(--clr-light);padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #e5e5e5}.quiz-category{font-weight:600;color:var(--clr-dark)}.quiz-progress{color:var(--clr-primary);font-size:.9rem}.quiz-content{padding:2rem}.question-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.question-number{font-weight:600;color:var(--clr-dark)}.difficulty.easy{background:var(--clr-secondary);color:#fff;padding:.3rem .8rem;border-radius:12px;font-size:.8rem;font-weight:600}.question-text{font-size:1.1rem;line-height:1.6;margin-bottom:2rem;color:var(--clr-dark)}.quiz-options{margin-bottom:2rem}.option-item{margin-bottom:.8rem}.option-item input[type=radio]{display:none}.option-item label{display:flex;align-items:center;padding:1rem;border:2px solid #e5e5e5;border-radius:12px;cursor:pointer;transition:all .3s ease}.option-item label:hover{border-color:var(--clr-primary);background:#00acea0d}.demo-disabled{position:relative;opacity:.8}.demo-disabled:before{content:"";position:absolute;inset:0;z-index:10;cursor:not-allowed;border-radius:20px}.demo-disabled .option-item label{cursor:not-allowed;pointer-events:none}.demo-disabled .option-item label:hover{border-color:#e5e5e5;background:transparent}.demo-disabled button{cursor:not-allowed;opacity:.6;pointer-events:none}.demo-disabled .nav-item{cursor:not-allowed;pointer-events:none}.option-item 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.industry{color:var(--clr-primary);font-weight:600}.case-content{padding:1.5rem}.impact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:1.5rem;margin-bottom:2rem;padding:1.5rem;background:#00acea0d;border-radius:12px}.impact-single{text-align:center;padding:1.5rem;background:#00acea0d;border-radius:12px;margin-bottom:1.5rem}.impact-item{text-align:center}.impact-number{display:block;font-size:2.2rem;font-weight:700;color:var(--clr-primary);line-height:1}.impact-label{display:block;font-size:.9rem;color:#666;margin-top:.3rem}.case-challenge,.case-solution{margin-bottom:1.5rem;padding:1.2rem;border-radius:8px}.case-challenge{background:#ffc1071a;border-left:4px solid #ffc107}.case-solution{background:#28a7451a;border-left:4px solid #28a745}.case-challenge h4,.case-solution h4{font-size:1rem;margin-bottom:.8rem;display:flex;align-items:center;gap:.5rem}.case-challenge h4{color:#e67e22}.case-solution h4{color:#27ae60}.case-quote{margin:1.5rem 0 0;padding:1.2rem;background:#f8f9fa;border-radius:12px;border-left:4px solid var(--clr-secondary);font-style:italic}.quote-content blockquote{margin:0 0 1rem;font-size:1.1rem;line-height:1.5;color:var(--clr-dark)}.quote-author{display:flex;align-items:center;gap:1rem;font-style:normal}.author-photo{width:50px;height:50px;border-radius:50%;object-fit:cover;border:3px solid #fff;box-shadow:0 2px 8px #0000001a;flex-shrink:0}.quote-author cite{color:#666;font-size:.9rem;line-height:1.4;font-style:normal}.author-title{font-size:.8rem;color:#999;font-weight:400}.case-quote blockquote{margin:0 0 .8rem;font-size:1.1rem;line-height:1.5;color:var(--clr-dark)}.case-quote cite{color:#666;font-size:.9rem}.case-footer{padding:1.2rem 1.5rem;border-top:1px solid #f0f0f0;background:#fafbfc}.company-link{display:inline-flex;align-items:center;gap:.5rem;color:var(--clr-primary);text-decoration:none;font-weight:600;font-size:.95rem;transition:color .3s 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3rem}.pricing-note{font-size:1rem;line-height:1.6;color:var(--clr-dark);padding:1.5rem;background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000000d;margin:0}.highlight{color:var(--clr-primary);font-weight:600}.pricing-table{display:flex;flex-wrap:wrap;gap:1.5rem;justify-content:center;align-items:stretch}.plan{position:relative;flex:1 1 260px;background:var(--clr-light);border-radius:16px;padding:2.4rem 2rem;text-align:center;box-shadow:0 6px 22px #0000000f;display:flex;flex-direction:column;justify-content:space-between}.plan.popular{border:3px solid var(--clr-primary)}.plan.recommended{border:3px solid var(--clr-secondary)}.plan h3{font-size:1.4rem;margin-bottom:.5rem}.plan .price{font-size:2rem;font-weight:700;margin-bottom:.5rem}.plan .sub{font-size:.8rem;font-weight:400}.plan-description{font-size:.9rem;color:var(--clr-primary);font-weight:600;margin-bottom:1rem;text-align:center}.plan-content{flex:1;display:flex;flex-direction:column}.plan ul{list-style:none;margin:1rem 0 auto;text-align:left;flex:1}.plan ul li{margin-bottom:.6rem}.plan-btn{margin-top:1.5rem}.plan.popular .plan-btn{background:#fff;border:2px solid var(--clr-primary);color:var(--clr-primary)}.plan.popular .plan-btn:hover{background:var(--clr-primary);border-color:var(--clr-primary);color:#fff;transform:translateY(-3px);box-shadow:0 8px 20px #00000026}.timeline{position:relative}.tl-item{position:relative;margin-bottom:3rem}.tl-item:last-child{margin-bottom:0}.circle{position:absolute;top:0;width:60px;height:60px;border-radius:50%;background:var(--gradient);color:#fff;font:700 1.4rem/60px var(--ff-base);display:flex;align-items:center;justify-content:center;z-index:2}.tl-item h3{margin:0 0 .5rem;font-size:1.1rem}.tl-item p{margin:0;line-height:1.6}.timeline-highlight{color:var(--clr-primary);font-weight:700;background:#00acea1a;padding:.2rem .4rem;border-radius:4px}@media (min-width: 769px){.timeline{max-width:800px;margin:0 auto;padding-left:150px}.timeline:before{content:"";position:absolute;left:100px;top:0;width:4px;height:95%;background:var(--gradient)}.timeline .circle{left:-48px;transform:translate(-50%)}}@media (max-width: 768px){.timeline{margin-left:0;padding-left:70px}.timeline:before{content:"";position:absolute;left:20px;top:0;width:4px;height:95%;background:var(--gradient)}.timeline .circle{left:-48px;transform:translate(-50%);width:48px;height:48px;line-height:48px;font-size:1.1rem}.tl-item{margin-bottom:2.4rem}}.accordion-item{border-bottom:1px solid #e0e0e0}.accordion-header{width:100%;background:none;border:none;text-align:left;padding:1rem 0;font-size:1rem;font-weight:600;cursor:pointer;position:relative}.accordion-header:after{content:"+";position:absolute;right:0;transition:.3s}.accordion-header.active:after{transform:rotate(45deg)}.accordion-body p{padding:0 0 1rem}.contact-form{display:grid;gap:1.6rem;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));margin-top:2.4rem}.contact-form .form-group{display:flex;flex-direction:column}.contact-form .form-group.full{grid-column:1/-1}.contact-form label{margin-bottom:.5rem;font-weight:600}.contact-form label span{color:var(--clr-primary)}.contact-form input,.contact-form textarea{padding:.9rem 1rem;border:2px solid #e2e2e2;border-radius:8px;font-size:1rem;resize:vertical}.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--clr-primary)}.contact-form button{grid-column:1/-1;justify-self:center;margin:1.2rem 0 0}.contact-form .note{grid-column:1/-1;text-align:center;margin-top:.8rem}.footer{background:#111;color:#ccc;text-align:center;padding:2rem 0;font-size:.85rem}.footer-links{display:flex;justify-content:center;gap:1rem;margin-bottom:.8rem}.footer-links a{color:#ccc;text-decoration:none}@media (max-width: 768px){.hamburger{display:block}.hero{clip-path:none;padding:140px 0 90px}.counter-grid{gap:2rem}.pricing-description{margin:0 auto 2rem}.pricing-note{padding:1.2rem;font-size:.9rem}.pricing-table{flex-direction:column;max-width:400px;margin:0 auto}}@media (max-width: 768px){.nav-links{position:fixed;inset:0 0 0 40%;width:60%;flex-direction:column;padding:7rem 2rem;background:#fff;transform:translate(100%);transition:transform .3s ease;z-index:1500;min-height:80vh;overflow-y:auto}.nav-links.show{transform:translate(0)}.hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}}.scroll-indicator{position:absolute;left:50%;bottom:30px;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:.25rem;color:#fff;font-size:.8rem;text-decoration:none;opacity:.85;animation:bounce 2.5s infinite}@keyframes bounce{0%,20%,50%,80%,to{transform:translate(-50%)}40%{transform:translate(-50%,6px)}60%{transform:translate(-50%,3px)}}.news-list{list-style:none;max-width:680px;margin:0 auto;padding:0;border-left:4px solid var(--clr-primary)}.news-list li{padding:.6rem 1rem;border-bottom:1px solid #eaeaea}.news-list time{color:var(--clr-primary);font-weight:600;margin-right:.3rem}.ribbon{position:absolute;top:-10px;left:-10px;background:var(--clr-secondary);color:#fff;padding:.2rem .6rem;font-size:.75rem;font-weight:600;border-radius:4px 0}.ribbon.hot{background:var(--clr-primary)}.plan{position:relative}.new-feature-tag{position:absolute;top:-8px;right:-8px;background:var(--clr-primary);color:#fff;padding:.25rem .5rem;font-size:.7rem;font-weight:700;border-radius:12px;z-index:10;box-shadow:0 2px 8px #00000026}.to-top{position:fixed;right:22px;bottom:24px;width:44px;height:44px;border-radius:50%;border:none;background:var(--gradient);color:#fff;display:none;align-items:center;justify-content:center;box-shadow:0 6px 15px #00000040;cursor:pointer;z-index:1400}.to-top.show{display:flex}.to-top i{font-size:1.1rem}.accordion-body{display:none}.accordion-header{cursor:pointer;position:relative;padding:1rem 2.2rem 1rem 0}.accordion-header:after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:1.4rem;transition:.25s}.accordion-header.active:after{content:"\2013";transform:translateY(-50%) rotate(180deg)}.accordion-body{display:none;padding:0 0 1rem}.accordion-body.show{display:block}.case-card .impact strong{font-size:2rem;line-height:1;display:inline-block;text-align:center}.contact-form{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.2rem}.contact-form .form-group input,.contact-form .form-group textarea{width:100%}.accordion-item{border-bottom:1px solid #e5e5e5}.hamburger{display:none;position:fixed;right:14px;top:18px;z-index:1600;background:none;border:none;padding:0;cursor:pointer}.hamburger span{display:block;width:24px;height:2px;background:var(--clr-dark);margin:6px 0;transition:.3s}.hamburger.active span:nth-child(1){transform:translateY(8px) rotate(45deg)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}@media (max-width: 768px){.hamburger{display:block}.nav-links{position:fixed;inset:0 0 0 40%;width:60%;flex-direction:column;padding:7rem 2rem;background:#fff;transform:translate(100%);transition:transform .3s ease;z-index:1500;min-height:80vh;overflow-y:auto}.nav-links.show{transform:translate(0)}}.accordion{max-width:720px;margin:0 auto}.accordion-body{max-height:0;overflow:hidden;transition:max-height .35s ease}.footer-nav{display:flex;flex-wrap:wrap;gap:1.4rem;justify-content:center;margin:1.2rem 0}.footer-nav a{position:relative;color:#fff;font-size:.95rem;font-weight:600;text-decoration:none;transition:color .25s}.footer-nav a:after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--clr-secondary);opacity:.35;transition:opacity .25s,transform .25s;transform:scaleX(0);transform-origin:left}.footer-nav a:hover,.footer-nav a:focus{color:#fff;outline:none}.footer-nav a:hover:after,.footer-nav a:focus:after{opacity:1;transform:scaleX(1)}@media (max-width: 480px){.footer-nav{gap:1rem}}.pain-solution.rich{display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));perspective:1000px}.ps-card{position:relative;height:260px;transform-style:preserve-3d;transition:transform .7s;cursor:pointer}.ps-card:hover{transform:rotateY(180deg)}.ps-front,.ps-back{position:absolute;inset:0;backface-visibility:hidden;border-radius:18px;padding:2rem;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 8px 26px #00000012}.ps-front{background:#fff}.ps-front i{font-size:2.4rem;margin-bottom:1rem;background:var(--gradient);-webkit-background-clip:text;color:transparent}.ps-front h3{font-size:1.1rem;text-align:center;line-height:1.4}.ps-back{background:var(--clr-primary);color:#fff;transform:rotateY(180deg);text-align:center;line-height:1.5}.ps-back .stat{font-size:1.3rem;font-weight:700}@media (max-width:480px){.ps-card{height:auto}}@media (max-width: 768px){.ps-card{height:220px}}.post-grid{display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.post-card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 6px 18px #0000000d;transition:transform .25s,box-shadow .25s}.post-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px #00000014}.post-thumb{width:100%;height:160px;object-fit:cover}.post-card time{display:block;font-size:.8rem;color:#999;margin:.8rem 1rem 0}.post-title{font-size:1rem;margin:.4rem 1rem 0;line-height:1.4}.post-excerpt{font-size:.9rem;color:#555;margin:.4rem 1rem 1.2rem}.mobile-br{display:none}@media (max-width: 768px){.mobile-br{display:inline}}.story-note{display:block;text-align:left;font-size:.7rem;color:#888;opacity:.85;margin-top:3.2rem;margin-bottom:-1.5rem;margin-left:1.2rem}