:root{--lsr-primary: #164e63;--lsr-primary-light: #1e6b8a;--lsr-primary-dark: #0f3a4a;--lsr-accent: #0891b2;--lsr-surface: #eef2f7;--lsr-text: #1e293b;--lsr-text-secondary: #64748b;--lsr-border: #d1d9e4;--lsr-white: #ffffff;--lsr-success: #059669;--lsr-warning: #d97706;--lsr-radius: .75rem;--lsr-radius-lg: 1rem;--lsr-shadow: 0 1px 3px rgba(0, 0, 0, .1);--lsr-shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--lsr-shadow-lg: 0 8px 24px rgba(0, 0, 0, .12);--lsr-transition: .3s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Noto Sans JP,sans-serif;color:var(--lsr-text);background:var(--lsr-white);line-height:1.7;-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto;display:block}a{text-decoration:none;color:inherit}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.hide-sp{display:inline}@media (max-width: 768px){.hide-sp{display:none}}.section-header{text-align:center;margin-bottom:3rem}.section-title{font-size:2rem;font-weight:900;color:var(--lsr-primary);margin-bottom:.75rem}.section-subtitle{font-size:1rem;color:var(--lsr-text-secondary)}@media (max-width: 768px){.section-title{font-size:1.5rem}}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:var(--lsr-radius);font-weight:700;font-size:.95rem;transition:all var(--lsr-transition);border:2px solid transparent;cursor:pointer}.btn--primary{background:var(--lsr-primary);color:var(--lsr-white);border-color:var(--lsr-primary)}.btn--primary:hover{background:var(--lsr-primary-light);border-color:var(--lsr-primary-light)}.btn--outline{background:transparent;color:var(--lsr-white);border-color:var(--lsr-white)}.btn--outline:hover{background:var(--lsr-white);color:var(--lsr-primary)}.btn--lg{padding:1rem 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a:hover{color:var(--lsr-accent)}.nav-tel{font-family:Roboto,sans-serif;font-weight:700;color:var(--lsr-primary)!important}.nav-cta{background:var(--lsr-primary);color:var(--lsr-white)!important;padding:.5rem 1.25rem;border-radius:var(--lsr-radius)}.nav-cta:hover{background:var(--lsr-primary-light)!important}.header__toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}.header__toggle span{width:24px;height:2px;background:var(--lsr-text);transition:all var(--lsr-transition)}@media (max-width: 768px){.header__toggle{display:flex}.header__nav{position:fixed;top:64px;left:0;right:0;background:var(--lsr-white);border-bottom:1px solid var(--lsr-border);transform:translateY(-100%);opacity:0;pointer-events:none;transition:all var(--lsr-transition)}.header__nav.active{transform:translateY(0);opacity:1;pointer-events:auto}.nav-list{flex-direction:column;padding:1.5rem;gap:1rem}}.lsr-hero{position:relative;min-height:600px;display:flex;align-items:center;padding:8rem 0 4rem;overflow:hidden}.lsr-hero__bg{position:absolute;top:0;right:0;bottom:0;left:0}.lsr-hero__video,.lsr-hero__poster{width:100%;height:100%;object-fit:cover}.lsr-hero__video{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1}.lsr-hero__poster{position:absolute;top:0;right:0;bottom:0;left:0;z-index:0}.lsr-hero__overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:2;background:linear-gradient(135deg,#164e638c,#0f3a4a73)}.lsr-hero__content{position:relative;z-index:3;max-width:700px;color:var(--lsr-white)}.lsr-hero__title{font-size:2.75rem;font-weight:900;line-height:1.3;margin-bottom:1.25rem}.lsr-hero__subtitle{font-size:1.1rem;line-height:1.8;opacity:.9;margin-bottom:2rem}.lsr-hero__actions{display:flex;gap:1rem;flex-wrap:wrap}.lsr-hero__note{margin-top:1rem;font-size:.85rem;opacity:.75}@media (max-width: 768px){.lsr-hero{min-height:500px;padding:7rem 0 3rem}.lsr-hero__title{font-size:1.75rem}.lsr-hero__subtitle{font-size:.95rem}.header__tel{display:none}}.lsr-challenges{padding:5rem 0;background:var(--lsr-surface)}.lsr-challenges__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}.challenge-card{background:var(--lsr-white);padding:2rem;border-radius:var(--lsr-radius-lg);border:1px solid var(--lsr-border);box-shadow:var(--lsr-shadow);transition:all var(--lsr-transition)}.challenge-card:hover{transform:translateY(-4px);box-shadow:var(--lsr-shadow-lg);border-color:var(--lsr-accent)}.challenge-card__icon{width:56px;height:56px;display:flex;align-items:center;justify-content:center;background:#fef3c7;border-radius:var(--lsr-radius);color:var(--lsr-warning);margin-bottom:1rem}.challenge-card__title{font-size:1.15rem;font-weight:700;margin-bottom:.5rem;color:var(--lsr-text)}.challenge-card__text{font-size:.9rem;color:var(--lsr-text-secondary);line-height:1.7}@media (max-width: 768px){.lsr-challenges__grid{grid-template-columns:1fr}}.lsr-equipment{padding:5rem 0}.lsr-equipment__main{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:start}.video-wrapper{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;border-radius:var(--lsr-radius-lg);background:#000}.video-wrapper iframe{position:absolute;top:0;left:0;width:100%;height:100%}.lsr-equipment__name{font-size:1.5rem;font-weight:900;color:var(--lsr-primary);margin-bottom:.25rem}.lsr-equipment__maker{font-size:.9rem;color:var(--lsr-text-secondary);margin-bottom:1.5rem}.lsr-equipment__specs{width:100%;border-collapse:collapse;margin-bottom:1.5rem}.lsr-equipment__specs th,.lsr-equipment__specs td{padding:.75rem 1rem;font-size:.9rem;text-align:left;border-bottom:1px solid var(--lsr-border)}.lsr-equipment__specs th{font-weight:700;color:var(--lsr-text);width:40%;background:var(--lsr-surface)}.lsr-equipment__specs td{color:var(--lsr-text-secondary)}.lsr-equipment__merit 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ease}.circle-item:hover .circle-item__icon{transform:translateY(-4px);background:#ffffff40}.circle-item__symbol{font-family:Roboto,sans-serif;font-size:2rem;font-weight:900;color:#fff}.circle-item__title{font-size:1.1rem;font-weight:700;margin-bottom:.5rem;color:#fff}.circle-item__desc{font-size:.85rem;color:#fffc;line-height:1.6;margin-bottom:1rem}.circle-item__tag{display:inline-block;font-size:.85rem;font-weight:700;color:#fff;background:#ffffff26;padding:.3rem .75rem;border-radius:999px;border:1px solid rgba(255,255,255,.4)}@media (max-width: 1024px){.lsr-materials__circle-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 640px){.lsr-materials__circle-grid{grid-template-columns:1fr}.circle-item__icon{width:100px;height:100px}}.lsr-process{padding:5rem 0}.lsr-process__steps{display:flex;align-items:flex-start;gap:1rem}.process-step{flex:1;padding:2rem 1.5rem;background:var(--lsr-white);border:1px solid var(--lsr-border);border-radius:var(--lsr-radius-lg);transition:all var(--lsr-transition)}.process-step:hover{transform:translateY(-4px);box-shadow:var(--lsr-shadow-lg)}.process-step__number{font-family:Roboto,sans-serif;font-size:2rem;font-weight:900;color:var(--lsr-accent);margin-bottom:.5rem}.process-step__title{font-size:1.05rem;font-weight:700;margin-bottom:.5rem;color:var(--lsr-text)}.process-step__text{font-size:.85rem;color:var(--lsr-text-secondary);line-height:1.7}.process-step__arrow{display:flex;align-items:center;padding-top:3rem;color:var(--lsr-text-secondary);flex-shrink:0}@media (max-width: 768px){.lsr-process__steps{flex-direction:column}.process-step__arrow{padding-top:0;justify-content:center}.process-step__arrow svg{transform:rotate(90deg)}}.lsr-videos{padding:5rem 0;background:var(--lsr-surface)}.lsr-videos__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}.video-card{background:var(--lsr-white);border-radius:var(--lsr-radius-lg);overflow:hidden;border:1px solid var(--lsr-border)}.video-card__caption{padding:1rem 1.25rem;font-size:.9rem;font-weight:600;color:var(--lsr-text)}@media (max-width: 768px){.lsr-videos__grid{grid-template-columns:1fr}}.lsr-strengths{padding:5rem 0;background:#f8fafc}.lsr-strengths .section-label{display:block;font-family:Roboto,sans-serif;font-size:.8rem;font-weight:500;letter-spacing:.15em;text-transform:uppercase;color:var(--lsr-accent);margin-bottom:.75rem}.lsr-strengths .section-title{color:var(--lsr-text)}.lsr-strengths .strength-row{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center;padding:3rem 0}.lsr-strengths .strength-row+.strength-row{border-top:1px solid #e2e8f0}.lsr-strengths .strength-row--reverse{direction:rtl}.lsr-strengths .strength-row--reverse>*{direction:ltr}.lsr-strengths .strength-number{display:block;font-family:Roboto,sans-serif;font-size:clamp(4rem,8vw,6rem);font-weight:800;line-height:1;color:var(--lsr-primary);opacity:.18;margin-bottom:-.5rem}.lsr-strengths .strength-title{font-size:1.5rem;font-weight:700;color:var(--lsr-text);margin-bottom:1rem;line-height:1.4}.lsr-strengths .strength-description{font-size:.95rem;line-height:1.9;color:var(--lsr-text-secondary)}.lsr-strengths .strength-image{overflow:hidden;border-radius:.75rem;box-shadow:0 4px 20px #0000001f}.lsr-strengths .strength-image img{width:100%;height:320px;object-fit:cover;display:block;transition:transform .4s ease}.lsr-strengths .strength-row:hover .strength-image img{transform:scale(1.03)}@media (max-width: 768px){.lsr-strengths .strength-row,.lsr-strengths .strength-row--reverse{grid-template-columns:1fr;gap:1.5rem;direction:ltr}.lsr-strengths .strength-image img{height:220px}.lsr-strengths .strength-number{font-size:3.5rem}}.lsr-mid-cta{padding:3rem 0;background:var(--lsr-surface);text-align:center;border-top:1px solid var(--lsr-border);border-bottom:1px solid var(--lsr-border)}.lsr-mid-cta p{font-size:1rem;color:var(--lsr-text-secondary);margin-bottom:1.25rem;line-height:1.7}.lsr-mid-cta .btn{margin-bottom:.75rem}.lsr-mid-cta__note{display:block;font-size:.8rem;color:var(--lsr-text-secondary)}.lsr-faq{padding:5rem 0}.lsr-faq__list{max-width:800px;margin:0 auto}.faq-item{border-bottom:1px solid var(--lsr-border)}.faq-item__question{display:flex;align-items:center;justify-content:space-between;width:100%;padding:1.25rem 0;background:none;border:none;cursor:pointer;font-size:1rem;font-weight:600;color:var(--lsr-text);text-align:left;gap:1rem}.faq-item__question:hover{color:var(--lsr-primary)}.faq-item__icon{flex-shrink:0;transition:transform var(--lsr-transition)}.faq-item.active .faq-item__icon{transform:rotate(180deg)}.faq-item__answer{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease,padding .3s ease;overflow:hidden}.faq-item__answer>p{overflow:hidden}.faq-item.active .faq-item__answer{grid-template-rows:1fr;padding-bottom:1.25rem}.faq-item__answer p{font-size:.9rem;color:var(--lsr-text-secondary);line-height:1.8}.lsr-contact{padding:5rem 0;background:var(--lsr-surface)}.lsr-contact__inner{text-align:center;max-width:700px;margin:0 auto}.lsr-contact__title{font-size:1.75rem;font-weight:900;color:var(--lsr-primary);margin-bottom:1rem;line-height:1.4}.lsr-contact__desc{font-size:1rem;color:var(--lsr-text-secondary);margin-bottom:2rem}.lsr-contact__actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-bottom:1rem}.lsr-contact__actions .btn--outline{color:var(--lsr-primary);border-color:var(--lsr-primary)}.lsr-contact__actions .btn--outline:hover{background:var(--lsr-primary);color:var(--lsr-white)}.lsr-contact__note{font-size:.85rem;color:var(--lsr-text-secondary);margin-top:1rem}.lsr-contact__phone{display:flex;align-items:center;justify-content:center;gap:1rem;margin-bottom:2rem;flex-wrap:wrap}.lsr-contact__phone-note{font-size:.85rem;color:var(--lsr-text-secondary)}.page-contact-form{max-width:640px;margin:0 auto;text-align:left}.page-contact-form__row{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1rem}.page-contact-form__field{margin-bottom:1rem}.page-contact-form__field label{display:block;font-size:.875rem;font-weight:600;color:var(--lsr-text, #1e293b);margin-bottom:.375rem}.page-contact-form__field .required{color:#ef4444}.page-contact-form__field input,.page-contact-form__field textarea{width:100%;padding:.75rem 1rem;border:1px solid #cbd5e1;border-radius:.5rem;background:#fff;color:#1e293b;font-size:.9375rem;transition:border-color .2s,box-shadow .2s}.page-contact-form__field input::placeholder,.page-contact-form__field textarea::placeholder{color:#94a3b8}.page-contact-form__field input:focus,.page-contact-form__field textarea:focus{outline:none;border-color:var(--lsr-primary, #164e63);box-shadow:0 0 0 3px #164e631a}.page-contact-form__submit{width:100%;margin-top:.5rem}.page-contact-form__success{text-align:center;padding:2rem 0}.page-contact-form__success h3{font-size:1.25rem;color:var(--lsr-primary);margin-bottom:.5rem}.page-contact-form__success p{color:var(--lsr-text-secondary)}@media (max-width: 768px){.lsr-contact__title{font-size:1.35rem}}@media (max-width: 640px){.page-contact-form__row{grid-template-columns:1fr}}.footer{background:var(--lsr-primary-dark);color:#ffffffb3;padding:3rem 0 1.5rem}.footer__inner{display:flex;justify-content:space-between;align-items:flex-start;padding-bottom:2rem;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:1.5rem}.footer__logo{font-size:1.1rem;font-weight:900;color:var(--lsr-white);margin-bottom:.5rem}.footer__address{font-size:.85rem}.footer__links{display:flex;gap:1.5rem;flex-wrap:wrap}.footer__links a{font-size:.85rem;transition:color var(--lsr-transition)}.footer__links a:hover{color:var(--lsr-white)}.footer__copyright{text-align:center;font-size:.8rem}@media (max-width: 768px){.footer__inner{flex-direction:column;gap:1.5rem}.footer__links{flex-direction:column;gap:.75rem}}[data-animate]{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}[data-animate].visible{opacity:1;transform:translateY(0)}