:root{
  --bg:#f6f0ea;
  --bg2:#fbf7f2;
  --text:#111;
  --muted:#6b6b6b;
  --brand:#b49363;
  --brand2:#0bb351;
  --red:#c8141e;
  --white:#fff;
  --shadow: 0 10px 30px rgba(0,0,0,.12);
  --radius: 18px;
  --container: 1200px;
  --serif: "Noto Serif JP", serif;
  --sans: "Montserrat", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans JP", sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--text);
  font-family: var(--serif);
  background: var(--white);
  line-height:1.8;
}

img{max-width:100%; height:auto; display:block}
a{color:inherit; text-decoration:none}
.container{
  width:min(var(--container), calc(100% - 40px));
  margin:0 auto;
}

.skip-link{
  position:absolute;
  top:-40px; left:10px;
  background:#000; color:#fff;
  padding:8px 12px;
  z-index:9999;
}
.skip-link:focus{top:10px}

.site-header{
  position:fixed;
  top:0; left:0; right:0;
  z-index:1000;
  padding:18px 0;
  pointer-events:none;
}
.header-inner{
  width:min(var(--container), calc(100% - 40px));
  margin:0 auto;
  background: rgba(255,255,255,.92);
  border-radius: 16px;
  box-shadow: var(--shadow);
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 16px;
  gap: 14px;
  pointer-events:auto;
}
.brand img{width:180px; height:auto}
.header-nav{flex:1; display:flex; justify-content:center}
.nav-list{
  list-style:none;
  display:flex;
  gap: 22px;
  margin:0; padding:0;
  font-family: var(--sans);
  font-size:14px;
  letter-spacing:.06em;
}
.nav-list a{padding:8px 6px}
.header-cta{
  display:flex;
  align-items:center;
  gap:12px;
  font-family: var(--sans);
}
.tel{font-weight:700; font-size:14px}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius: 999px;
  padding: 10px 16px;
  font-weight:700;
  font-size:14px;
  line-height:1;
  border: 1px solid transparent;
  transition: transform .15s ease, opacity .15s ease, background .15s ease;
  white-space:nowrap;
}
.btn:hover{transform: translateY(-1px)}
.btn:active{transform: translateY(0)}
.btn-primary{background: var(--brand); color:#fff}
.btn-line{background: var(--brand2); color:#fff}
.btn-outline{background:#fff; border-color:#111; color:#111}
.btn-outline-red{background:#fff; border:2px solid var(--red); color:var(--red); border-radius:12px; padding:14px 18px; font-weight:700}
.btn-hero{background: var(--brand); color:#fff; padding: 16px 44px; font-size:18px}

.burger{
  width:44px; height:44px;
  border-radius: 12px;
  background: transparent;
  border:0;
  display:none;
  position:relative;
}
.burger span{
  position:absolute;
  left:10px; right:10px;
  height:2px; background:#111;
  border-radius:2px;
}
.burger span:nth-child(1){top:14px}
.burger span:nth-child(2){top:21px}
.burger span:nth-child(3){top:28px}

.drawer{
  position:fixed;
  top:0; right:0;
  width:min(360px, 92vw);
  height:100dvh;
  background:#fff;
  box-shadow: -20px 0 60px rgba(0,0,0,.18);
  z-index:1200;
}
.drawer-inner{
  padding: 90px 22px 22px;
}
.drawer-list{
  list-style:none;
  margin:0; padding:0;
  display:grid;
  gap: 10px;
  font-family: var(--sans);
}
.drawer-list a{
  display:block;
  padding: 12px 10px;
  border-radius: 10px;
  background: var(--bg2);
}
.drawer-cta{
  display:grid;
  gap: 10px;
  margin-top: 16px;
}
.btn-outline{border-color:#111}

.hero{
  position:relative;
  min-height: 760px;
  padding-top: 110px;
}
.hero-bg{
  position:absolute;
  inset:0;
  z-index:0;
}
.hero-bg img{width:100%; height:100%; object-fit:cover; filter: saturate(.98)}
.hero-overlay{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  min-height: 760px;
}
.hero-title{
  color:#fff;
  font-size: 44px;
  letter-spacing:.08em;
  text-align:center;
  margin: 0 auto 18px;
  text-shadow: 0 10px 30px rgba(0,0,0,.35);
  font-weight:700;
}
.hero-title .accent{
  color:#ff5c68;
  font-size:1.2em;
}
.hero-kpi{
  margin: 0 auto;
  max-width: 820px;
  border: 2px solid rgba(255,255,255,.55);
  background: rgba(0,0,0,.10);
  border-radius: 10px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 18px 16px;
  gap: 10px;
  color:#fff;
}
.kpi{display:grid; gap:4px; text-align:center}
.kpi-label{font-size:12px; opacity:.9; font-family: var(--sans)}
.kpi-value{font-size:34px; font-weight:700; line-height:1.1}
.kpi-value small{font-size:.5em; font-weight:700}
.kpi-note{font-size:12px; opacity:.9; font-family: var(--sans)}

.hero-actions{display:flex; justify-content:center; margin-top: 18px}

.section{padding: 80px 0}
.section-muted{background: var(--bg)}
.section-kicker{
  margin:0 0 8px;
  font-family: var(--sans);
  color:#f0aab1;
  font-style: italic;
  font-size: 22px;
  letter-spacing:.04em;
  text-align:center;
}
.section-title{
  margin:0;
  font-size: 34px;
  text-align:center;
  letter-spacing:.06em;
}
.lead{color:#444; max-width: 640px; margin: 20px auto 0; text-align:left}

.center{text-align:center; margin-top: 26px}
.note{font-size:12px; color:#777; margin-top: 12px}

.campaign-grid{
  margin-top: 28px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.card{
  background:#fff;
  border-radius: var(--radius);
  border: 1px solid #d8c6ae;
  padding: 26px 26px;
  box-shadow: 0 6px 20px rgba(0,0,0,.05);
  position:relative;
}
.badge{
  display:inline-block;
  background: var(--red);
  color:#fff;
  font-weight:700;
  font-size:12px;
  padding:6px 10px;
  border-radius: 6px;
}
.card-title{margin: 10px 0 12px; font-size: 22px}
.card-text{margin:0; color:#555}
.card-text .em{color: var(--red); font-weight:700}
.perk-list{list-style:none; margin:0; padding:0; display:grid; gap:10px}
.perk-list li{display:flex; justify-content:space-between; gap:12px; border-top:1px solid #eee; padding-top:10px}
.perk-list li:first-child{border-top:0; padding-top:0}
.perk-list strong{color: var(--red)}

.split{display:grid; grid-template-columns: 1fr 1fr; gap: 34px; align-items:center}
.price-box{
  display:flex; gap: 16px; align-items:center;
  margin: 18px 0 18px;
}
.price-old, .price-new{
  width: 190px; height: 140px;
  border-radius: 12px;
  background:#d5d5d5;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  font-family: var(--serif);
}
.price-old span{font-size:22px; font-weight:700}
.price-new{background:#c91f2a; color:#fff}
.price-new span{font-size:28px; font-weight:800}
.price-new small{font-size:12px; opacity:.9}
.price-arrow{
  width: 60px; height: 2px; background: #bbb;
  position:relative;
}
.price-arrow:after{
  content:"";
  position:absolute;
  right:-2px; top:-4px;
  width: 0; height:0;
  border-left: 10px solid #bbb;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
}
.img-frame{
  width:100%;
  aspect-ratio: 4/3;
  border-radius: 0;
  background: #ddd;
}

.marquee{
  margin-top: 34px;
  background: linear-gradient(90deg, rgba(0,0,0,.75), rgba(0,0,0,.55));
  color:#fff;
  padding: 22px 0;
}
.marquee-inner{
  width:min(var(--container), calc(100% - 40px));
  margin:0 auto;
  font-size:14px;
}

.strengths-grid{
  margin-top: 32px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.strength{
  padding: 10px 10px 0;
  background: transparent;
}
.strength-no{
  font-size: 56px;
  color:#e7dccf;
  font-family: var(--sans);
}
.strength-title{margin: 10px 0 12px; font-size: 18px}
.strength-text{margin:0; color:#555; font-size:14px}

.plan-grid{
  margin-top: 32px;
  display:grid;
  grid-template-columns: repeat(3,1fr);
  gap: 22px;
}
.plan-card{
  background: transparent;
}
.plan-img{
  width:100%;
  aspect-ratio: 16/9;
  border-radius: 14px;
  background:#cfcfcf;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  overflow: hidden;
  box-shadow: 0 10px 24px rgba(0,0,0,.08);
}
.plan-type{margin: 14px 0 4px; font-weight:700}
.plan-avg{margin:0; font-size:12px; color:#777}
.plan-price{margin: 6px 0 0; font-size:16px}
.plan-price strong{color: var(--red); font-size:28px}
.plan-tag{
  display:inline-block;
  margin-top: 10px;
  padding: 8px 12px;
  border-radius: 6px;
  background: var(--brand);
  color:#fff;
  font-size:12px;
  font-weight:700;
}

.sim-grid{
  margin-top: 28px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.sim-form, .sim-result{
  background: #fff6ef;
  border-radius: var(--radius);
  padding: 24px;
}
.sim-result{
  background: #f8f2ec;
}
fieldset{border:0; padding:0; margin:0 0 14px}
legend{font-weight:700; font-size:14px; margin-bottom: 8px}
.segmented{
  display:flex;
  gap: 10px;
}
.segmented-wrap{flex-wrap:wrap}
.segmented input{position:absolute; opacity:0; pointer-events:none}
.segmented span{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid #ddd;
  background:#fff;
  font-family: var(--sans);
  font-size:13px;
  min-width: 90px;
}
.segmented input:checked + span{
  border-color: var(--brand);
  background: rgba(180,147,99,.12);
}
.range{display:flex; align-items:center; gap: 12px}
.range input{flex:1}
.range output{min-width: 60px; font-weight:700; font-family: var(--sans)}
.sim-result-title{margin:0 0 10px}
.sim-result-empty{color:#999}
.sim-price{font-size: 34px; margin:0; font-weight:800; color: var(--red); font-family: var(--sans)}
.sim-desc{margin: 6px 0 0; color:#555}

.cta-row{margin-top: 22px; text-align:center}
.cta-text{margin: 0 0 16px; color:#555}

.voices .sub{text-align:center; color:#777; margin-top: 10px}
.voice-grid{
  margin-top: 26px;
  display:grid;
  grid-template-columns: repeat(3,1fr);
  gap: 20px;
}
.voice-card{
  background: transparent;
}
.voice-img{
  width:100%;
  aspect-ratio: 16/10;
  border-radius: 14px;
  background:#cfcfcf;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  overflow: hidden;
  box-shadow: 0 10px 24px rgba(0,0,0,.08);
}
.voice-name{margin: 12px 0 0; font-size:16px}
.voice-meta{margin: 2px 0 10px; font-size:12px; color:#777}
.voice-text{margin:0; color:#555; font-size:13px}
.voice-save{margin-top: 10px; font-size:13px}
.voice-save strong{color: var(--brand)}

.link{
  font-family: var(--sans);
  font-size: 14px;
  text-decoration: underline;
}

.banner-cta{
  background: #7f0f16;
  color:#fff;
  padding: 86px 0;
}
.banner-title{margin:0; text-align:center; font-size: 34px}
.banner-sub{margin: 10px 0 0; text-align:center; opacity:.9}
.btn-white{background:#fff; color:#111; padding: 16px 28px; font-size: 16px}

.steps{
  list-style:none;
  margin: 26px 0 0;
  padding: 0;
  display:grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}
.steps li{
  display:grid;
  gap: 8px;
  padding-top: 10px;
}
.step-no{
  font-family: var(--sans);
  font-size: 40px;
  color: #cbb59c;
  line-height:1;
}
.step-title{font-weight:700}
.step-desc{font-size:12px; color:#777}

.faq-list{margin-top: 24px}
.faq-item{
  border-top: 1px solid #e9e1d7;
  padding: 16px 0;
}
.faq-item:last-child{border-bottom: 1px solid #e9e1d7}
.faq-item summary{
  cursor:pointer;
  list-style:none;
  font-weight:700;
  position:relative;
  padding-left: 56px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:before{
  content:"Q";
  position:absolute;
  left: 0;
  top: 0;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: var(--brand);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-family: var(--sans);
}
.faq-body{
  color:#555;
  margin-top: 10px;
  padding-left: 56px;
  font-size:14px;
}
.faq-body:before{
  content:"A";
  display:inline-flex;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: #e7e1db;
  color:#555;
  align-items:center;
  justify-content:center;
  font-family: var(--sans);
  margin-left: -56px;
  margin-right: 12px;
}

.final-cta{
  position:relative;
  padding: 90px 0;
  color:#fff;
}
.final-bg{
  position:absolute;
  inset:0;
  background: radial-gradient(circle at 30% 20%, rgba(0,0,0,.35), rgba(0,0,0,.65));
}
.final-title{margin:0; text-align:center; font-size: 34px; position:relative}
.final-sub{margin: 10px 0 0; text-align:center; opacity:.9; position:relative}
.final-cards{
  margin-top: 26px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  position:relative;
}
.final-card{
  background: rgba(255,255,255,.92);
  color:#111;
  border-radius: 14px;
  padding: 18px 18px;
  text-align:center;
  box-shadow: var(--shadow);
}
.final-label{margin:0; font-size:12px; color:#555}
.final-main{margin: 8px 0 0; font-size: 22px; font-weight:800; font-family: var(--sans)}
.final-main.green{color: var(--brand2)}
.final-main.red{color: var(--red)}
.final-note{margin: 8px 0 0; font-size:12px; color:#777}

.site-footer{
  background: #111;
  color:#fff;
  padding: 46px 0;
}
.footer-inner{
  width:min(var(--container), calc(100% - 40px));
  margin:0 auto;
  display:grid;
  gap: 12px;
  align-items:center;
}
.footer-brand{font-size:22px; font-weight:700}
.footer-legal{display:flex; gap: 18px; flex-wrap:wrap; opacity:.8; font-size:12px}
.footer-legal a{text-decoration:underline; text-underline-offset: 3px}
.footer-list{list-style:none; margin:0; padding:0; display:flex; gap: 16px; flex-wrap:wrap; opacity:.9}
.copyright{opacity:.7; font-size:12px}

.js-reveal{
  opacity:0;
  transform: translateY(14px);
  transition: opacity .6s ease, transform .6s ease;
}
.js-reveal.is-visible{
  opacity:1;
  transform: translateY(0);
}

@media (max-width: 1024px){
  .nav-list{gap: 14px}
  .tel{display:none}
  .steps{grid-template-columns: repeat(3,1fr)}
}

@media (max-width: 767px){
  .site-header{padding: 10px 0}
  .header-inner{padding: 10px 12px}
  .header-nav{display:none}
  .burger{display:inline-block}
  .btn{padding: 10px 12px}
  .btn-primary{font-size:13px}
  .btn-line{font-size:13px}
  .brand img{width:150px}

  .hero{min-height: 840px; padding-top: 88px}
  .hero-overlay{min-height: 840px}
  .hero-title{font-size: 30px}
  .hero-kpi{grid-template-columns: 1fr; text-align:center}
  .hero-kpi{max-width: 420px}

  .section{padding: 64px 0}
  .section-title{font-size: 28px}

  .campaign-grid{grid-template-columns: 1fr}
  .split{grid-template-columns: 1fr}
  .strengths-grid{grid-template-columns: 1fr}
  .plan-grid{grid-template-columns: 1fr}
  .sim-grid{grid-template-columns: 1fr}
  .voice-grid{grid-template-columns: 1fr}
  .final-cards{grid-template-columns: 1fr}
  .steps{grid-template-columns: repeat(2,1fr)}
}