/* ===================================
   Reset & Base
   =================================== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Noto Sans JP',sans-serif;color:#333;line-height:1.8;overflow-x:hidden}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;height:auto;display:block}

.container{max-width:1080px;margin:0 auto;padding:0 20px}
.sp-only{display:none}
@media(max-width:768px){.sp-only{display:inline}.pc-only{display:none}}

/* ===================================
   Section Titles
   =================================== */
.section-title{text-align:center;font-size:1.75rem;font-weight:900;margin-bottom:.5rem;letter-spacing:.04em}
.section-title--light{color:#fff}
.section-sub{text-align:center;color:#666;margin-bottom:2.5rem;font-size:.95rem}
.section-sub--light{color:rgba(255,255,255,.8)}

/* ===================================
   Header
   =================================== */
.header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);box-shadow:0 1px 4px rgba(0,0,0,.06);transition:box-shadow .3s}
.header__inner{display:flex;align-items:center;justify-content:space-between;max-width:1080px;margin:0 auto;padding:0 20px;height:64px}
.header__logo{display:flex;align-items:baseline;gap:2px}
.logo-main{font-size:1.25rem;font-weight:900;color:#0b7a75}
.logo-sub{font-size:1.25rem;font-weight:900;color:#f4845f}

.header__nav ul{display:flex;gap:28px;align-items:center}
.header__nav a{font-size:.9rem;font-weight:700;transition:color .2s}
.header__nav a:hover{color:#0b7a75}
.nav-cta{background:#0b7a75;color:#fff!important;padding:8px 20px;border-radius:6px;font-size:.85rem!important}
.nav-cta:hover{background:#096360}

/* Hamburger */
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}
.hamburger span{display:block;width:24px;height:2px;background:#333;border-radius:2px;transition:transform .3s,opacity .3s}
.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)}

@media(max-width:768px){
  .hamburger{display:flex}
  .header__nav{position:fixed;top:64px;left:0;width:100%;background:#fff;box-shadow:0 4px 12px rgba(0,0,0,.08);transform:translateY(-120%);opacity:0;transition:transform .35s ease,opacity .35s ease;pointer-events:none}
  .header__nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .header__nav ul{flex-direction:column;padding:24px 20px;gap:0}
  .header__nav li{border-bottom:1px solid #eee}
  .header__nav a{display:block;padding:14px 0;font-size:1rem}
  .nav-cta{display:inline-block;margin-top:8px;text-align:center;width:100%}
}

/* ===================================
   Hero
   =================================== */
.hero{background:linear-gradient(135deg,#0b7a75 0%,#14b8a6 100%);color:#fff;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:80px 20px 40px;text-align:center;position:relative}
.hero__inner{position:relative;z-index:1;max-width:1080px;width:100%}
.hero__inner--split{display:flex;align-items:center;gap:48px;text-align:left}
.hero__text{flex:1}
.hero__label{display:inline-block;background:rgba(255,255,255,.18);padding:6px 18px;border-radius:50px;font-size:.85rem;font-weight:700;margin-bottom:20px;letter-spacing:.05em}
.hero__title{font-size:2.2rem;font-weight:900;line-height:1.5;margin-bottom:20px}
.hero__sub{font-size:1rem;line-height:1.9;opacity:.9;margin-bottom:32px}
.hero__cta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:28px}
.hero__badges{display:flex;gap:16px;flex-wrap:wrap}
.hero__badges li{background:rgba(255,255,255,.2);padding:6px 16px;border-radius:50px;font-size:.8rem;font-weight:700}

/* Mockup */
.hero__mockup{flex:0 0 320px}
.mockup{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 8px 32px rgba(0,0,0,.18)}
.mockup__bar{background:#e8eef2;padding:10px 12px;display:flex;gap:6px}
.mockup__bar span{width:10px;height:10px;border-radius:50%;background:#cdd5db}
.mockup__bar span:first-child{background:#f87171}
.mockup__bar span:nth-child(2){background:#fbbf24}
.mockup__bar span:nth-child(3){background:#34d399}
.mockup__site-name{margin-left:auto;font-size:.65rem;color:#888;font-weight:700;letter-spacing:.02em}
.mockup__iframe-wrap{width:100%;aspect-ratio:16/10;overflow:hidden;position:relative}
.mockup__iframe-wrap iframe{position:absolute;top:0;left:0;width:400%;height:400%;transform:scale(.25);transform-origin:top left;border:none;pointer-events:none;transition:opacity .4s}
.mockup__dots{display:flex;justify-content:center;gap:8px;margin-top:12px}
.mockup__dot{width:10px;height:10px;border-radius:50%;border:2px solid rgba(255,255,255,.5);background:transparent;cursor:pointer;padding:0;transition:background .2s}
.mockup__dot.active{background:#fff;border-color:#fff}

@media(max-width:768px){
  .hero{min-height:100svh;padding:80px 20px 40px}
  .hero__inner--split{flex-direction:column;text-align:center;gap:32px}
  .hero__cta{justify-content:center}
  .hero__badges{justify-content:center}
  .hero__mockup{flex:0 0 auto;width:100%;max-width:320px}
  .hero__title{font-size:1.55rem}
  .hero__sub{font-size:.9rem}
}

/* ===================================
   Buttons
   =================================== */
.btn{display:inline-block;padding:14px 32px;border-radius:8px;font-size:1rem;font-weight:700;text-align:center;transition:transform .2s,box-shadow .2s,background .2s;cursor:pointer;border:none}
.btn--primary{background:#f4845f;color:#fff;box-shadow:0 4px 14px rgba(244,132,95,.35)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(244,132,95,.45)}
.btn--secondary{background:rgba(255,255,255,.2);color:#fff;border:2px solid rgba(255,255,255,.5)}
.btn--secondary:hover{background:rgba(255,255,255,.3)}
.btn--outline{background:transparent;color:#0b7a75;border:2px solid #0b7a75}
.btn--outline:hover{background:#0b7a75;color:#fff}
.btn--full{width:100%}

/* ===================================
   Problem
   =================================== */
.problem{padding:40px 0 30px;background:#fff}
.problem__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-bottom:32px}
.problem__card{background:#f8fafb;border:1px solid #e8eef2;border-radius:12px;padding:28px 24px;display:flex;align-items:flex-start;gap:14px}
.problem__icon{font-size:1.6rem;flex-shrink:0;line-height:1}
.problem__card p{font-size:.95rem}
.problem__lead{text-align:center;font-size:1.1rem;font-weight:700;color:#0b7a75}
@media(max-width:768px){
  .problem__grid{grid-template-columns:1fr}
}

/* ===================================
   Achievement
   =================================== */
.achievement{padding:40px 0;background:#fff}
.achievement__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;max-width:800px;margin:0 auto}
.achievement__item{text-align:center}
.achievement__number{font-size:3.2rem;font-weight:900;color:#0b7a75;line-height:1.2}
.achievement__number .unit{font-size:1.2rem;font-weight:700;margin-left:2px}
.achievement__label{font-size:.92rem;color:#555;margin-top:6px;font-weight:700}
@media(max-width:768px){
  .achievement__grid{grid-template-columns:1fr;gap:20px}
  .achievement__number{font-size:2.6rem}
}

/* ===================================
   Works
   =================================== */
.works{padding:40px 0;background:#fff}
.works__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.works__card{display:block;border-radius:12px;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.08);transition:transform .25s,box-shadow .25s;text-decoration:none;color:#333}
.works__card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.15)}
.works__thumb{height:140px;display:flex;align-items:flex-end;padding:14px;position:relative}
.works__tag{background:rgba(255,255,255,.92);padding:4px 14px;border-radius:50px;font-size:.75rem;font-weight:700;position:relative;z-index:1}
.works__info{padding:16px 18px}
.works__info h3{font-size:.95rem;font-weight:900;margin-bottom:4px}
.works__info p{font-size:.78rem;color:#888}
.works__card--navy .works__thumb{background:linear-gradient(135deg,#1a2744,#2c3e6b)}
.works__card--navy .works__tag{color:#1a2744}
.works__card--pink .works__thumb{background:linear-gradient(135deg,#e8c4b8,#f5e6df)}
.works__card--pink .works__tag{color:#c4887a}
.works__card--black .works__thumb{background:linear-gradient(135deg,#111,#333)}
.works__card--black .works__tag{color:#111}
.works__card--beige .works__thumb{background:linear-gradient(135deg,#2d5a3d,#4a8c5c)}
.works__card--beige .works__tag{color:#2d5a3d}
.works__card--orange .works__thumb{background:linear-gradient(135deg,#e67e22,#f39c12)}
.works__card--orange .works__tag{color:#e67e22}
.works__card--gold .works__thumb{background:linear-gradient(135deg,#2a2a2a,#444)}
.works__card--gold .works__tag{color:#c9a84c}
@media(max-width:768px){
  .works__grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .works__thumb{height:110px}
}
@media(max-width:480px){
  .works__grid{grid-template-columns:1fr}
}

/* ===================================
   Service
   =================================== */
.service{padding:40px 0;background:#f4f8f7}
.service__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.service__card{background:#fff;border-radius:14px;padding:36px 28px;text-align:center;box-shadow:0 2px 12px rgba(0,0,0,.05);transition:transform .25s,box-shadow .25s}
.service__card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.1)}
.service__icon-wrap{width:64px;height:64px;margin:0 auto 18px;color:#0b7a75}
.service__icon-wrap svg{width:100%;height:100%}
.service__card h3{font-size:1.1rem;font-weight:900;margin-bottom:12px;color:#0b7a75}
.service__card p{font-size:.9rem;color:#555;line-height:1.8}
@media(max-width:768px){
  .service__grid{grid-template-columns:1fr}
}

/* ===================================
   Profile
   =================================== */
.profile{padding:40px 0;background:#f4f8f7}
.profile__inner{display:flex;align-items:flex-start;gap:48px;max-width:800px;margin:0 auto}
.profile__text{flex:1}
.profile__name{font-size:1.5rem;font-weight:900;color:#0b7a75;margin-bottom:4px}
.profile__title{font-size:.85rem;color:#888;margin-bottom:16px;font-weight:700}
.profile__bio{font-size:.95rem;line-height:2;margin-bottom:20px}
.profile__book-label{font-size:.82rem;font-weight:700;color:#888;margin-bottom:8px}
.profile__book-list{display:flex;gap:12px;flex-wrap:wrap}
.profile__book-img{border-radius:6px;box-shadow:0 2px 8px rgba(0,0,0,.1);width:100px;height:auto;object-fit:cover}
@media(max-width:768px){.profile__book-list{justify-content:center}.profile__book-img{width:80px}}
.profile__photo{flex:0 0 220px}
.profile__photo img{width:100%;border-radius:12px;box-shadow:0 4px 16px rgba(0,0,0,.1)}
@media(max-width:768px){
  .profile__inner{flex-direction:column-reverse;align-items:center;text-align:center;gap:24px}
  .profile__photo{flex:0 0 auto;width:180px}
}

/* ===================================
   Flow
   =================================== */
.flow{padding:40px 0;background:#fff}
.flow__steps{position:relative;max-width:680px;margin:0 auto}
.flow__steps::before{content:'';position:absolute;top:0;left:28px;width:3px;height:100%;background:#d6edeb;border-radius:3px}
.flow__step{position:relative;padding-left:72px;margin-bottom:40px}
.flow__step:last-child{margin-bottom:0}
.flow__number{position:absolute;left:8px;top:0;width:44px;height:44px;background:#0b7a75;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.9rem;font-weight:900;z-index:1}
.flow__step h3{font-size:1.05rem;font-weight:900;margin-bottom:6px}
.flow__step p{font-size:.9rem;color:#555}

/* ===================================
   Price
   =================================== */
.price{padding:40px 0;background:#f4f8f7}
.price__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:24px}
.price__card{background:#fff;border-radius:14px;padding:36px 28px;text-align:center;box-shadow:0 2px 12px rgba(0,0,0,.05);position:relative;display:flex;flex-direction:column}
.price__card--popular{border:3px solid #0b7a75;transform:scale(1.04)}
.price__badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:#f4845f;color:#fff;padding:4px 18px;border-radius:50px;font-size:.78rem;font-weight:700;white-space:nowrap}
.price__header h3{font-size:1.15rem;font-weight:900;color:#0b7a75;margin-bottom:4px}
.price__desc{font-size:.82rem;color:#888;margin-bottom:12px}
.price__amount{font-size:2.2rem;font-weight:900;color:#333;margin-bottom:20px;line-height:1.2}
.yen{font-size:1rem;vertical-align:middle;margin-right:2px}
.tax{font-size:.75rem;font-weight:400;color:#888;margin-left:4px}
.price__list{text-align:left;margin-bottom:24px;flex:1}
.price__list li{padding:8px 0;border-bottom:1px solid #eee;font-size:.88rem;padding-left:20px;position:relative}
.price__list li::before{content:'✓';position:absolute;left:0;color:#0b7a75;font-weight:700}
.price__maintenance{margin-top:28px;margin-bottom:24px}
.price__maintenance-inner{background:#fff;border-radius:14px;padding:32px 36px;box-shadow:0 2px 12px rgba(0,0,0,.05);display:flex;align-items:center;gap:36px}
.price__maintenance-info{flex:1}
.price__maintenance-info h3{font-size:1.1rem;font-weight:900;color:#0b7a75;margin-bottom:6px}
.price__maintenance-desc{font-size:.88rem;color:#666;margin-bottom:12px}
.price__maintenance-info .price__list{margin-bottom:0}
.price__maintenance-price{text-align:center;flex:0 0 auto}
.price__maintenance-price .price__amount{margin-bottom:12px}
.price__note{text-align:center;font-size:.85rem;color:#888}
@media(max-width:768px){
  .price__maintenance-inner{flex-direction:column;text-align:center;gap:20px;padding:24px 20px}
}
@media(max-width:768px){
  .price__grid{grid-template-columns:1fr;max-width:400px;margin-left:auto;margin-right:auto}
  .price__card--popular{transform:none}
}

/* ===================================
   Contact
   =================================== */
.contact{padding:40px 0;background:linear-gradient(135deg,#0b7a75 0%,#14b8a6 100%);color:#fff}
.contact__wrap{max-width:600px;margin:0 auto}
.contact__form{background:#fff;border-radius:14px;padding:36px 32px;color:#333;box-shadow:0 4px 20px rgba(0,0,0,.12)}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:.88rem;font-weight:700;margin-bottom:6px}
.required{background:#f4845f;color:#fff;font-size:.7rem;padding:2px 8px;border-radius:4px;margin-left:6px;vertical-align:middle}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 14px;border:1px solid #d0d5dd;border-radius:8px;font-size:.95rem;font-family:inherit;transition:border-color .2s;appearance:none;-webkit-appearance:none}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:#0b7a75;box-shadow:0 0 0 3px rgba(11,122,117,.12)}
.form-group textarea{resize:vertical}
.form-group select{background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23666' stroke-width='1.5' fill='none'/%3E%3C/svg%3E") no-repeat right 14px center;background-color:#fff;padding-right:36px}

/* ===================================
   Footer
   =================================== */
.footer{background:#1a2332;color:#fff;padding:48px 0 24px}
.footer__inner{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:32px}
.footer__brand .logo-main,.footer__brand .logo-sub{font-size:1.15rem}
.footer__copy{font-size:.82rem;color:rgba(255,255,255,.55);margin-top:8px;line-height:1.7}
.footer__nav ul{display:flex;gap:24px}
.footer__nav a{font-size:.88rem;color:rgba(255,255,255,.7);transition:color .2s}
.footer__nav a:hover{color:#fff}
.footer__copyright{text-align:center;font-size:.78rem;color:rgba(255,255,255,.35);border-top:1px solid rgba(255,255,255,.08);padding-top:20px}
@media(max-width:768px){
  .footer__inner{flex-direction:column;gap:24px;align-items:center;text-align:center}
  .footer__nav ul{flex-direction:column;gap:12px;align-items:center}
}

/* ===================================
   Scroll Animation
   =================================== */
.fade-in{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}