:root{
  --bg:#020814;
  --panel:#06111b;
  --line:#05313b;
  --cyan:#11d9d2;
  --cyan2:#0aa8b3;
  --text:#e9f3f7;
  --muted:#7e96a3;
  --pink:#ff5cb8;
  --green:#73dc55;
  --orange:#ff9d1f;
  --purple:#8c73ff;
  --sky:#24c7ff;
}
*{box-sizing:border-box}
html,body{
  margin:0;padding:0;
  background:
    radial-gradient(circle at 50% 0%, rgba(14,72,90,0.14), transparent 35%),
    linear-gradient(180deg, #01050b 0%, var(--bg) 100%);
  color:var(--text);
  font-family: Arial, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
}
a{color:inherit;text-decoration:none}
.page-shell{min-height:100vh}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px 60px}
.logo-link{display:inline-flex;align-items:center}
.logo-img{height:26px;width:auto;display:block}
.nav{display:flex;align-items:center;gap:24px;flex-wrap:wrap;justify-content:flex-end}
.nav a{font-size:12px;color:#9db0ba;letter-spacing:1.5px;font-weight:700;text-transform:uppercase}
.nav a.active{color:var(--cyan)}
.login-btn{border:1px solid var(--cyan2);color:var(--cyan);padding:8px 18px;border-radius:999px}
.hero{text-align:center;padding:80px 0 50px}
.hero .sub{color:var(--cyan);letter-spacing:4px;font-size:14px;font-weight:700;margin-bottom:18px}
.hero h1{margin:0;font-size:72px;line-height:1;font-weight:900;color:#fff;text-transform:uppercase}
.hero p{margin-top:24px;color:#8096a2;font-size:18px}
.hero2{text-align:center;padding:80px 0 0px}
.hero2 .sub{color:var(--cyan);letter-spacing:4px;font-size:14px;font-weight:700;margin-bottom:18px}
.hero2 h1{margin:0;font-size:72px;line-height:1;font-weight:900;color:#fff;text-transform:uppercase}
.hero2 p{margin-top:24px;color:#8096a2;font-size:18px}
.note-box,.section-card{
  max-width:720px;margin:0 auto 34px;background:rgba(2,10,18,0.9);
  border:1px solid rgba(0,193,200,0.26);border-radius:16px;overflow:hidden;
  box-shadow:0 0 0 1px rgba(0,255,255,0.03) inset, 0 0 24px rgba(0,0,0,0.2)
}
.note-box{padding:18px 22px;background:rgba(4,18,23,0.88)}
.note-box h3{margin:0 0 12px;color:var(--cyan);font-size:22px;font-weight:900}
.note-box ul{margin:0;padding-left:20px;line-height:1.9;font-size:14px;color:#8ea3af}
.section-head{
  background:linear-gradient(180deg, rgba(8,55,60,0.95), rgba(5,35,40,0.95));
  color:var(--cyan);font-size:24px;font-weight:900;letter-spacing:3px;
  padding:18px 22px;text-transform:uppercase;border-bottom:1px solid rgba(0,193,200,0.18)
}
.section-body{width: 750px;padding:22px}
.order-row{
  display:grid;grid-template-columns:1fr 180px 80px;gap:16px;align-items:center;
  padding:18px 0;border-bottom:1px solid rgba(255,255,255,0.06)
}
.product-main{display:flex;align-items:center;gap:16px}
.product-thumb{
  width:70px;height:70px;object-fit:cover;border-radius:10px;
  border:1px solid rgba(255,255,255,0.06);background:#0a1320
}
.item-name{font-size:26px;font-weight:800;color:#f8fbfd;line-height:1.1}
.item-sub{margin-top:6px;font-size:14px;color:#77909b}
.qty-box{display:flex;align-items:center;justify-content:center;gap:18px;width: 250px;}
.qty-btn{
  width:34px;height:34px;border:none;border-radius:50%;cursor:pointer;
  font-size:22px;font-weight:900;display:flex;align-items:center;justify-content:center
}
.minus{background:#29313a;color:#98a7b2}
.plus.sky{background:var(--sky)} .plus.green{background:var(--green)}
.plus.pink{background:var(--pink)} .plus.purple{background:var(--purple)}
.plus.orange{background:var(--orange)}
.qty-num{min-width:18px;text-align:center;font-size:22px;font-weight:800;color:#fff}
.item-price{text-align:right;font-size:18px;font-weight:700;color:#dfeaf0;white-space:nowrap}
.item-price{width: 140px}
.row-price{text-align:right;width: 140px}
.total-area{
  margin-top:18px;padding-top:18px;border-top:1px solid rgba(0,193,200,0.18);
  display:flex;justify-content:space-between;align-items:flex-end;gap:20px
}
.total-label{font-size:18px;color:#869ca7;line-height:1.4}
.total-count{font-size:13px;color:#6f8692}
.total-price{font-size:42px;font-weight:900;color:var(--cyan);white-space:nowrap}
.tax-note{font-size:14px;color:#8da1ab;margin-left:6px}
.coupon{margin-top:18px}
.coupon label,.form-group label{display:block;color:#a8bac4;margin-bottom:8px;font-size:14px;font-weight:700}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 16px}
.form-group{display:flex;flex-direction:column;gap:8px}
.form-group.full{grid-column:1 / -1}
.required{color:var(--cyan);font-size:12px;margin-left:4px}
input::placeholder,textarea::placeholder{color:#667c87}
input:focus,textarea:focus,select:focus{border-color:rgba(17,217,210,0.5);box-shadow:0 0 0 1px rgba(17,217,210,0.15)}
.help{font-size:12px;color:#718792;line-height:1.6}
textarea{min-height:110px;resize:vertical}
.terms-box{
  height:180px;overflow:auto;background:rgba(255,255,255,0.03);
  border:1px solid rgba(255,255,255,0.08);padding:14px;color:#9cb0b9;line-height:1.8;font-size:13px
}
.check-list{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.check-item{display:flex;align-items:flex-start;gap:10px;color:#d7e4ea;font-size:14px}
.check-item input{width:16px;height:16px;margin-top:2px;accent-color:var(--cyan)}
.pay-note{
  margin-top:18px;border:1px solid rgba(0,193,200,0.18);background:rgba(7,27,35,0.9);
  padding:14px 16px;border-radius:8px;color:#88a0ab;font-size:13px;line-height:1.8
}
.submit-wrap{margin-top:18px}
.submit-btn{
  width:100%;border:none;border-radius:999px;background:linear-gradient(180deg, #19e5dc, #11c9c4);
  color:#001117;font-size:18px;font-weight:900;padding:20px;cursor:pointer;letter-spacing:1px
}
.site-footer{max-width:720px;margin:12px auto 0;padding:16px 0;text-align:center;color:#6d8591;font-size:12px}

/* ƒ‚ƒoƒCƒ‹ */

.hamburger {
    display: none;
    width: 30px;
    height: 22px;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
}

.hamburger span {
    height: 3px;
    background: #fff;
    border-radius: 2px;
}

@media (max-width: 900px){
 .site-header{
  height:62px;
  display:flex;
  align-items:left;
  justify-content:space-between;
  padding:0 56px;
  background:#02050a;
  border-bottom:1px solid #0a1017;
  position:sticky;
  top:0;
  z-index:10
}
 .logo{
  font-family:Georgia,serif;
  font-size:22px;
  font-style:italic;
  font-weight:bold;
  color:#fff
}
  .hero h1{font-size:54px}
  .hero2 h1{font-size:54px}
  .qty-box{margin-left: 240px;display:flex;align-items:center;justify-content:center;gap:18px;width: 250px;}
  .order-row{grid-template-columns:1fr;gap:12px}
  .item-price{text-align:right;width: 140px}
  .form-grid{grid-template-columns:1fr}
  .nav{justify-content:center;gap:14px}
  .total-area{
  width:500px;margin-top:18px;padding-top:18px;border-top:1px solid rgba(0,193,200,0.18);
  display:flex;align-items: flex-end;gap:20px
  }
  .total-price{font-size:32px}
  
 .hamburger {
        display: flex;
    }

 .nav {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 260px;
        height: calc(100vh - 70px);
        background: #020814;
        flex-direction: column;
        padding: 30px;
        gap: 20px;
        transition: 0.3s;
        border-left: 1px solid rgba(255,255,255,0.1);
    }

  .nav.open {
        right: 0;
    }

 .nav a {
        font-size: 14px;
        text-align: left;
    }
  
}
@media (max-width: 560px){
 .site-header{
  height:62px;
  display:flex;
  align-items:left;
  justify-content:space-between;
  padding:0 56px;
  background:#02050a;
  border-bottom:1px solid #0a1017;
  position:sticky;
  top:0;
  z-index:10
}
 .logo{
  font-family:Georgia,serif;
  font-size:22px;
  font-style:italic;
  font-weight:bold;
  color:#fff
}
  .wrap{padding:0 14px 50px}
  .qty-box{margin-left: 140px;display:flex;align-items:center;justify-content:center;gap:18px;width: 250px;}
  .hero{padding:50px 0 30px}
  .hero .sub{font-size:11px}
  .hero h1{font-size:40px}
  .hero2{padding:50px 0 0px}
  .hero2 .sub{font-size:11px}
  .hero2 h1{font-size:40px}
  .section-head{font-size:18px;padding:14px 16px}
  .section-body{padding:16px}
  .item-name{font-size:20px}
  .total-area{
  width:400px;margin-top:18px;padding-top:18px;border-top:1px solid rgba(0,193,200,0.18);
  display:flex;align-items: flex-end;gap:20px
  }
  .total-price{font-size:32px}
  .product-main{align-items:flex-start}
 
  .hamburger {
        display: flex;
    }

 .nav {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 260px;
        height: calc(100vh - 70px);
        background: #020814;
        flex-direction: column;
        padding: 30px;
        gap: 20px;
        transition: 0.3s;
        border-left: 1px solid rgba(255,255,255,0.1);
    }

  .nav.open {
        right: 0;
    }

 .nav a {
        font-size: 14px;
        text-align: left;
    } 
  
}

 .site-header{
  height:62px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 56px;
  background:#02050a;
  border-bottom:1px solid #0a1017;
  position:sticky;
  top:0;
  z-index:10
}
 .logo{
  font-family:Georgia,serif;
  font-size:22px;
  font-style:italic;
  font-weight:bold;
  color:#fff
}
 nav{
  display:flex;
  align-items:center;
  gap:22px;
  color:#8d99a2;
  font-size:10px;
  font-weight:800;
  letter-spacing:.16em
}
 .nav-right{
  display:flex;
  align-items:center;
  gap:10px
}
.pill{
  border:1px solid #222c35;
  border-radius:999px;
  padding:7px 14px;
  font-size:10px;
  color:#a6b2ba
}
.buy{
  background:#001f21;
  border-color:#00bfb0;
  color:#00ffe9;
  font-weight:900
}
 .hero{
  text-align:center;
  padding:74px 20px 118px
}
.hero .eyebrow{
  color:var(--cyan);
  font-size:12px;
  font-weight:900;
  letter-spacing:.45em;
  margin-bottom:26px
}
.hero h1{
  font-size:44px;
  line-height:1;
  margin:0;
  text-shadow:4px 4px 0 #1a2440;
  font-weight:1000;
  letter-spacing:.03em
}
.hero p{
  color:#647984;
  margin-top:25px;
  font-size:12px
}

 .hero2{
  text-align:center;
  padding:74px 20px 0px
}
.hero2 .eyebrow{
  color:var(--cyan);
  font-size:12px;
  font-weight:900;
  letter-spacing:.45em;
  margin-bottom:26px
}
.hero2 h1{
  font-size:44px;
  line-height:1;
  margin:0;
  text-shadow:4px 4px 0 #1a2440;
  font-weight:1000;
  letter-spacing:.03em
}
.hero2 p{
  color:#647984;
  margin-top:25px;
  font-size:12px
}
 .wrap{
  max-width:560px;
  margin:0 auto 72px;
  padding:0 14px
}
.card{
  background:rgba(5,10,18,.92);
  border:1px solid var(--line);
  border-radius:10px;
  overflow:hidden;
  margin-bottom:34px;
  box-shadow:0 0 0 1px rgba(0,240,220,.03)
}
 .notice{
  padding:20px 22px
}
.notice h3{
  margin:0 0 10px;
  color:var(--cyan);
  font-size:13px
}
.notice ul{
  margin:0;
  padding-left:19px;
  color:#d7e3e6;
  line-height:1.95;
  font-size:12px
}
 .card-title{
  background:#06282d;
  color:var(--cyan);
  padding:16px 21px;
  font-size:13px;
  font-weight:900;
  letter-spacing:.28em;
  border-bottom:1px solid var(--line)
}
 .inner{
  padding:18px 20px 20px
}
.category{
  display:flex;
  align-items:center;
  gap:10px;
  margin:3px 0 12px
}
.tag{
  background:#003c3f;
  color:#00f5e2;
  border:1px solid #006a6b;
  padding:7px 10px;
  font-size:11px;
  font-weight:900
}
.tag.yellow{
  background:#3e3100;
  color:#ffd91a;
  border-color:#907100
}
.ship{
  font-size:11px;
  color:#04e2d0;
  font-weight:800
}
 .item{
  display:grid;
  grid-template-columns:58px 1fr 28px 22px 28px 52px;
  align-items:center;
  gap:10px;
  min-height:54px;
  border-bottom:1px solid #13202a
}
.no{
  font-size:9px;
  font-weight:bold;
  border:1px solid currentColor;
  padding:4px;
  text-align:center;
  color:#00e6d5
}
.no.pink{
  color:var(--pink)
}
.no.purple{
  color:var(--purple)
}
.no.blue{
  color:var(--blue)
}
.no.orange{
  color:var(--orange)
}
.no.sky{
  color:#8fe7ff
}
.no.yellow{
  color:var(--yellow)
}
 .name b{
  display:block;
  font-size:12px
}
.name span{
  display:block;
  color:#7e9098;
  font-size:11px;
  margin-top:3px
}
.circle{
  width:24px;
  height:24px;
  border-radius:50%;
  display:grid;
  place-items:center;
  border:1px solid #273442;
  background:#111722;
  color:#85929a;
  font-weight:900
}
.plus{
  background:#25d56f;
  color:#05210d
}
.plus.pink{
  background:var(--pink);
  color:#210013
}
.plus.purple{
  background:var(--purple);
  color:#fff
}
.plus.blue{
  background:var(--blue);
  color:#00161c
}
.plus.orange{
  background:var(--orange);
  color:#1d0b00
}
.plus.sky{
  background:#9deaff;
  color:#00212b
}
.plus.yellow{
  background:var(--yellow);
  color:#1e1800
}
.qty{
  text-align:center;
  font-weight:bold
}
.yen{
  text-align:right;
  font-weight:bold;
  letter-spacing: 1px;
}
.discount{
  text-align:right;
  font-weight:bold;
  letter-spacing: 1px;
  font-size: 14px;
}
.discount_total{
  text-align:right;
  font-weight:bold;
  letter-spacing: 1px;
  font-size: 14px;
}
 .total{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  margin-top:18px;
  padding-top:13px;
  border-top:1px solid var(--line)
}
.total small{
  color:#8aa0a8;
  display:block
}
.total strong{
  color:#00f5e2;
  font-size:18px
}
 label{
  display:block;
  margin:14px 0 7px;
  font-size:11px;
  color:#dce8ec
}
.req{
  color:#00dfcf;
  margin-left:5px
}
input,textarea,select{
  width:100%;
  background:#11161d;
  border:1px solid #27303a;
  border-radius:4px;
  color:#fff;
  padding:12px 13px;
  font-size:13px
}
input::placeholder,textarea::placeholder{
  color:#68747c
}
.row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px
}
.hint{
  font-size:10px;
  color:#6e7c83;
  margin-top:5px
}
textarea{
  min-height:88px;
  resize:vertical
}
 .terms{
  height:158px;
  overflow:auto;
  background:#11161d;
  border:1px solid #2c3540;
  border-radius:3px;
  padding:13px;
  color:#d5dfe3;
  font-size:11px;
  line-height:1.75
}
.check{
  display:flex;
  gap:10px;
  align-items:center;
  margin:16px 0
}
.check input{
  width:auto
}
.paybox{
  border:1px solid #27303a;
  background:#10151c;
  border-radius:4px;
  padding:14px;
  margin:12px 0 20px
}
.pay-head{
  display:flex;
  justify-content:space-between;
  color:#00decf;
  font-weight:900;
  font-size:12px
}
.cards{
  display:flex;
  gap:8px;
  margin-top:16px;
  flex-wrap:wrap
}
.brand{
  min-width:57px;
  text-align:center;
  border-radius:3px;
  background:#1c40a7;
  padding:9px 8px;
  font-weight:900
}
.brand.mc{
  background:#202126
}
.brand.amex{
  background:#1860b6
}
.brand.jcb{
  background:#f4f7ff;
  color:#182747
}
.brand.dis{
  background:#111;
  color:#fff
}
.brand.diners{
  background:#1b6ec2
}
.submit{
  width:100%;
  border:0;
  border-radius:4px;
  background:#13d5c4;
  color:#001313;
  font-size:14px;
  font-weight:900;
  padding:17px;
  letter-spacing:.18em;
  cursor:pointer
}
.secure{
  text-align:center;
  color:#67757b;
  font-size:10px;
  margin-top:14px
}
.float{
  position:fixed;
  right:28px;
  bottom:28px;
  width:48px;
  height:48px;
  border-radius:50%;
  border:2px solid #10d8c5;
  background:radial-gradient(circle,#f6e7a8,#235d4b 45%,#102);
  box-shadow:0 0 18px rgba(0,230,210,.45)
}
 @media(max-width:700px){
 .site-header{
  height:62px;
  display:flex;
  align-items:left;
  justify-content:space-between;
  padding:0 56px;
  background:#02050a;
  border-bottom:1px solid #0a1017;
  position:sticky;
  top:0;
  z-index:10
}
 .logo{
  font-family:Georgia,serif;
  font-size:22px;
  font-style:italic;
  font-weight:bold;
  color:#fff
}
  .hero{
    padding:48px 16px 74px
  }
  .hero h1{
    font-size:34px
  }
  .hero2{
    padding:48px 16px 4px
  }
  .hero2 h1{
    font-size:34px
  }
  .wrap{
    max-width:100%;
  }
  .item{
    grid-template-columns:48px 1fr 28px 18px 28px 42px;
    gap:7px
  }
  .row{
    grid-template-columns:1fr
  }
  .float{
    right:15px;
    bottom:15px
  }
}

.grid-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr); /* 1frずつ4つに分割 */
}

.agree-label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.7);
  font-size: 12px;
  cursor: pointer;
  line-height: 1.6;
}

.agree-label input[type="checkbox"] {
  margin: 0;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  vertical-align: middle;
  accent-color: #00E0C6;
}

@media screen and (max-width: 640px) {
 .site-header{
  height:62px;
  display:flex;
  align-items:left;
  justify-content:space-between;
  padding:0 56px;
  background:#02050a;
  border-bottom:1px solid #0a1017;
  position:sticky;
  top:0;
  z-index:10
}
 .logo{
  font-family:Georgia,serif;
  font-size:22px;
  font-style:italic;
  font-weight:bold;
  color:#fff
}
  #discount_text {
    display: inline-block;
    min-width: 40%;
    text-align: center;
  }

  #discount_value {
    display: inline-block;
    min-width: 30%;
    text-align: right;
  }

  #after_discount_value {
    display: inline-block;
    min-width: 30%;
    text-align: right;
  }

}