*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

body{
  font-family:"Hiragino Sans","Yu Gothic","Meiryo",sans-serif;
  background:#f7fbf8;
  color:#24332d;
  line-height:1.7;
}

a{
  text-decoration:none;
}

header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid #e6efe9;
  padding:0 40px;
}

.header-inner{
  max-width:1200px;
  width:100%;
  margin:0 auto;
  padding:4px 0;
  display:flex;
  justify-content:space-between;
  align-items:center;
}

.logo{
  display:inline-flex;
  align-items:center;
  text-decoration:none;
  flex-shrink:0;
}

.logo img{
  height:72px;
  display:block;
}

nav a{
  margin-left:24px;
  font-size:15px;
  color:#4d665d;
}

.hero{
  background:
  radial-gradient(circle at top left,#eaf8f1 0%,transparent 40%),
  radial-gradient(circle at right,#eef6ff 0%,transparent 35%),
  linear-gradient(135deg,#ffffff,#f2faf6);
  padding:90px 20px 70px;
}

.hero-inner{
  max-width:1180px;
  margin:auto;
  text-align:center;
}

.badge{
  display:inline-block;
  padding:8px 14px;
  border-radius:999px;
  background:#eaf8f1;
  color:#1e7b5b;
  font-size:13px;
  font-weight:700;
  margin-bottom:18px;
}

.hero h1{
  font-size:52px;
  line-height:1.3;
  margin-bottom:18px;
  color:#18362d;
}

.hero h1 span{
  color:#1e8b66;
}

.hero p{
  max-width:760px;
  margin:auto;
  color:#5b726a;
  font-size:18px;
}

.container{
  max-width:1180px;
  margin:auto;
  padding:60px 20px;
}

.section-title{
  text-align:center;
  font-size:38px;
  margin-bottom:14px;
  color:#19392f;
}

.section-sub{
  text-align:center;
  color:#60756d;
  margin-bottom:40px;
}

.pricing-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:24px;
}

.plan{
  background:#fff;
  border:1px solid #e4eee8;
  border-radius:24px;
  padding:34px 28px;
  box-shadow:0 12px 30px rgba(0,0,0,.05);
  position:relative;
  display:flex;
  flex-direction:column;
}

.plan .btn{
  margin-top:auto;
}

.plan.popular{
  border:2px solid #24a174;
  transform:translateY(-8px);
}

.ribbon{
  position:absolute;
  top:-12px;
  right:18px;
  background:#24a174;
  color:#fff;
  font-size:12px;
  padding:7px 12px;
  border-radius:999px;
  font-weight:700;
}

.plan h3{
  font-size:28px;
  margin-bottom:8px;
}

.plan .desc{
  color:#6a7d76;
  font-size:14px;
  min-height:42px;
}

.price{
  margin:22px 0;
  font-size:42px;
  font-weight:800;
  color:#18362d;
}

.price small{
  font-size:15px;
  color:#70857d;
  font-weight:500;
}

.plan ul{
  list-style:none;
  margin-bottom:26px;
}

.plan li{
  padding:10px 0;
  border-bottom:1px dashed #edf2ef;
  font-size:15px;
  color:#33443e;
}

.plan li.li-expandable{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:6px;
}

.storage-tag{
  display:inline-flex;
  align-items:center;
  gap:4px;
  font-size:11px;
  font-weight:500;
  color:#1e8b66;
  background:#eaf8f1;
  border:1px solid #b8e8d0;
  padding:3px 9px 3px 7px;
  border-radius:999px;
  line-height:1.4;
  letter-spacing:0.01em;
}

.btn{
  display:block;
  text-align:center;
  padding:14px;
  border-radius:999px;
  font-weight:700;
  transition:.2s;
}

.btn-main{
  background:#1f8b66;
  color:#fff;
}

.btn-sub{
  background:#eef8f4;
  color:#1f8b66;
}

.compare{
  margin-top:80px;
  background:#fff;
  border:1px solid #e4eee8;
  border-radius:24px;
  overflow:hidden;
  box-shadow:0 12px 30px rgba(0,0,0,.04);
}

.compare table{
  width:100%;
  border-collapse:collapse;
  min-width:820px;
  table-layout:fixed;
}

.compare th{
  background:#f0f8f4;
  color:#204136;
  font-size:15px;
}

.compare th,
.compare td{
  padding:16px 18px;
  border-bottom:1px solid #edf2ef;
  text-align:center;
}

.compare td:first-child,
.compare th:first-child{
  text-align:left;
  font-weight:700;
  width:28%;
}

.note{
  margin-top:18px;
  color:#72867f;
  font-size:14px;
}

.cta{
  margin-top:90px;
  background:linear-gradient(135deg,#1e8b66,#2fa678);
  border-radius:30px;
  padding:60px 30px;
  text-align:center;
  color:#fff;
}

.cta h2{
  font-size:40px;
  margin-bottom:14px;
}

.cta p{
  max-width:720px;
  margin:auto auto 28px;
  opacity:.95;
}

.cta .btn{
  max-width:280px;
  margin:auto;
  background:#fff;
  color:#1e8b66;
}

footer{
  text-align:center;
  padding:40px 20px;
  color:#7b8d87;
  font-size:14px;
}

/* ─── HAMBURGER ─── */
.hamburger{
  display:none;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:5px;
  width:36px;
  height:36px;
  background:none;
  border:none;
  cursor:pointer;
  padding:4px;
  flex-shrink:0;
}

.hamburger span{
  display:block;
  width:22px;
  height:2px;
  background:#24332d;
  border-radius:2px;
  transition:transform 0.3s ease, opacity 0.3s ease;
  transform-origin:center;
}

.hamburger.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2){ opacity:0; transform:scaleX(0); }
.hamburger.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ─── MOBILE (≤ 768px) ─── */
@media(max-width:768px){
  header{
    padding:0 16px;
  }

  .header-inner{
    padding:8px 0;
  }

  .logo img{ height:44px; }

  .hamburger{ display:flex; }

  nav#nav-menu{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:rgba(255,255,255,0.98);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
    display:flex;
    flex-direction:column;
    gap:0;
    margin:0;
    border-bottom:1px solid rgba(0,0,0,0.08);
    box-shadow:0 8px 24px rgba(0,0,0,0.1);
    max-height:0;
    overflow:hidden;
    transition:max-height 0.35s ease;
    z-index:99;
  }

  nav#nav-menu.open{ max-height:280px; }

  nav#nav-menu a{
    display:block;
    margin:0;
    padding:16px 24px;
    font-size:15px;
    color:#4d665d;
    border-bottom:1px solid rgba(0,0,0,0.05);
  }

  nav#nav-menu a:hover{
    background:rgba(30,123,91,0.05);
    color:#1e7b5b;
  }

  .hero{
    padding:56px 20px 44px;
  }

  .hero h1{
    font-size:clamp(28px,7vw,38px);
    margin-bottom:14px;
  }

  .hero p{
    font-size:15px;
  }

  .container{
    padding:40px 16px;
  }

  .section-title{
    font-size:26px;
  }

  .pricing-grid{
    gap:16px;
  }

  .plan{
    padding:24px 20px;
  }

  .plan h3{
    font-size:22px;
  }

  .price{
    font-size:34px;
    margin:16px 0;
  }

  .compare{
    overflow-x:auto;
    -webkit-overflow-scrolling:touch;
    margin-top:48px;
  }

  .note{
    font-size:13px;
    margin-top:14px;
  }

  .cta{
    margin-top:56px;
    padding:44px 20px;
    border-radius:20px;
  }

  .cta h2{
    font-size:26px;
    margin-bottom:12px;
  }

  .cta p{
    font-size:14px;
  }

  footer{
    padding:28px 20px;
  }
}

.disabled-link {
  color: #9ca3af;
  pointer-events: none;
  cursor: not-allowed;
  text-decoration: none;
}