/* ===== Design Tokens ===== */
:root{
  --blue:#3aa9e8;          /* mosico light blue */
  --blue-d:#2391d2;
  --blue-dd:#1576b3;
  --blue-tint:#eaf5fc;
  --blue-tint2:#f5fafd;
  --navy:#10303f;
  --ink:#1a232b;           /* near-black for headings */
  --ink-2:#46535d;         /* body muted */
  --line:#dde6ec;
  --white:#ffffff;
  --bg:#ffffff;
  --accent:#e8651f;        /* CTA accent */
  --accent-d:#d4561a;
  --radius:6px;
  --radius-lg:8px;
  --shadow-sm:0 2px 8px rgba(20,60,90,.07);
  --shadow:0 6px 22px rgba(20,70,110,.12);
  --shadow-cta:0 4px 14px rgba(210,86,26,.28);
  --maxw:1120px;
  --font:"Noto Sans JP",-apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic","Meiryo",sans-serif;
  --font-round:"Noto Sans JP",-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic","Meiryo",sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:78px}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.8;
  font-size:16px;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none}

/* ===== Halftone (網点) background — global subtle drift ===== */
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:radial-gradient(rgba(58,169,232,.20) 1px, transparent 1.6px);
  background-size:22px 22px;
  animation:dotDrift 60s linear infinite;
}
@keyframes dotDrift{
  from{background-position:0 0}
  to{background-position:220px -220px}
}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.container--narrow{max-width:820px}
.center{text-align:center}
.pc-only{display:inline}
.hl{color:var(--blue-dd)}
.section--dark .hl{color:#bfe6fb}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.4em;
  font-family:var(--font-round);font-weight:700;
  border:none;cursor:pointer;border-radius:var(--radius);
  padding:14px 26px;font-size:15px;line-height:1.4;text-align:center;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
}
.btn-cta{background:var(--accent);color:#fff;box-shadow:var(--shadow-cta)}
.btn-cta:hover{background:var(--accent-d);box-shadow:0 6px 16px rgba(210,86,26,.34)}
.btn-ghost{background:#fff;color:var(--blue-dd);border:1.5px solid var(--blue);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{background:var(--blue-tint)}
.btn-lg{padding:18px 34px;font-size:17px}
.btn-block{display:flex;width:100%}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 6px 20px rgba(20,90,130,.10)}
.header-inner{display:flex;align-items:center;gap:20px;height:66px}
.logo{display:flex;align-items:center;gap:9px}
.logo img{height:38px;width:auto}
.logo-text{font-family:var(--font-round);font-weight:700;font-size:19px;color:var(--ink);letter-spacing:.02em}
.gnav{display:flex;gap:24px;margin-left:auto;font-size:14px;font-weight:700}
.gnav a{color:var(--ink-2);transition:color .15s}
.gnav a:hover{color:var(--blue-dd)}
.header-cta{padding:11px 22px;font-size:14px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;margin-left:auto}
.nav-toggle span{width:26px;height:3px;background:var(--blue-dd);border-radius:3px;transition:.3s}
.nav-toggle.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
.mobile-nav{display:none;flex-direction:column;gap:6px;padding:14px 24px 22px;background:#fff;border-bottom:1px solid var(--line)}
.mobile-nav a{padding:12px 4px;font-weight:700;color:var(--ink);border-bottom:1px solid var(--line)}
.mobile-nav .btn-cta{margin-top:10px;border:none;color:#fff}

/* ===== Hero ===== */
.hero{position:relative;padding:120px 0 80px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(58,169,232,.10) 0%,rgba(255,255,255,0) 80%);
  border-bottom:1px solid var(--line);
}
.hero-bg::after{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  background:var(--blue);
}
.hero-inner{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,0.8fr);gap:44px;align-items:center}
.hero-eyebrow{
  display:inline-block;font-weight:700;color:var(--blue-dd);
  background:#fff;border:1px solid var(--blue);border-radius:var(--radius);
  padding:7px 16px;font-size:13px;margin-bottom:22px;box-shadow:var(--shadow-sm);
}
.hero-title{
  font-family:var(--font-round);font-weight:700;
  font-size:clamp(28px,4.4vw,46px);line-height:1.32;letter-spacing:.01em;margin-bottom:22px;
}
.hero-title .hl{
  position:relative;color:var(--blue-dd);
  border-bottom:3px solid var(--blue);padding-bottom:1px;
}
.hero-sub{font-size:clamp(14px,1.6vw,17px);color:var(--ink-2);margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px}
.hero-badges li{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:9px 14px;font-size:13px;color:var(--ink-2);box-shadow:var(--shadow-sm);
}
.hero-badges strong{color:var(--blue-dd);font-family:var(--font-round)}
.hero-visual{display:flex;justify-content:center}
.hero-card{
  background:#fff;border-radius:var(--radius-lg);padding:40px 32px;text-align:center;
  box-shadow:var(--shadow);border:1px solid var(--line);border-top:4px solid var(--blue);
  max-width:280px;width:100%;position:relative;
}
.hero-logo{width:150px;margin:0 auto 6px}
.hero-card-label{
  display:inline-block;font-family:var(--font-round);font-weight:700;color:#fff;
  background:var(--blue);border-radius:var(--radius);padding:6px 18px;font-size:14px;margin-bottom:14px;
}
.hero-card-text{font-weight:700;color:var(--ink);line-height:1.7}

/* ===== Sections base ===== */
.section{padding:84px 0}
.section--tint{background:rgba(234,245,252,.55)}
.section-head{text-align:center;margin-bottom:48px}
.section-head--left{text-align:left;margin-bottom:32px}
.section-eyebrow{
  font-family:var(--font-round);font-weight:700;letter-spacing:.16em;
  color:var(--blue);font-size:13px;text-transform:uppercase;margin-bottom:10px;
}
.section-title{font-family:var(--font-round);font-weight:700;font-size:clamp(23px,3.2vw,34px);line-height:1.4}
.section-desc{margin-top:16px;color:var(--ink-2);font-size:15px}

/* ===== ② Proof ===== */
.proof{padding:46px 0 8px;background:transparent}
.proof-lead{text-align:center;font-size:clamp(15px,2vw,19px);font-weight:700;margin-bottom:30px}
.proof-lead strong{color:var(--blue-dd)}
.proof-block{margin-bottom:26px}
.proof-subtitle{
  text-align:center;font-family:var(--font-round);font-weight:700;font-size:14px;color:var(--ink-2);
  margin-bottom:16px;position:relative;
}
.proof-subtitle::before,.proof-subtitle::after{
  content:"";display:inline-block;width:34px;height:2px;background:var(--blue);
  vertical-align:middle;margin:0 12px;border-radius:2px;opacity:.6;
}
.proof-list{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.proof-list li{
  background:var(--blue-tint);color:var(--blue-dd);font-weight:700;font-size:13.5px;
  border:1px solid #cfeafb;border-radius:var(--radius);padding:12px 18px;
  transition:transform .15s,box-shadow .15s;
}
.proof-list li:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.proof-list--events li{background:#fff;border-color:var(--line);color:var(--ink)}

/* ===== ③ Problems ===== */
.problem-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.problem-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px 28px;box-shadow:var(--shadow-sm);overflow:hidden;
}
.problem-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--blue)}
.problem-num{font-family:var(--font-round);font-weight:700;font-size:34px;color:#cfeafb;line-height:1;margin-bottom:8px}
.problem-text{font-size:15.5px;font-weight:500}
.problem-text strong{color:var(--blue-dd)}
.problems-bridge{
  text-align:center;margin-top:42px;font-family:var(--font-round);font-weight:700;
  font-size:clamp(19px,2.6vw,27px);
}

/* ===== ④ Features ===== */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature-card{
  background:#fff;border-radius:var(--radius);padding:36px 26px;text-align:center;
  border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s;
}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--blue)}
.feature-icon{
  width:68px;height:68px;margin:0 auto 18px;border-radius:var(--radius-lg);
  display:flex;align-items:center;justify-content:center;font-size:30px;color:#fff;
  background:var(--blue-d);
  box-shadow:none;font-family:var(--font-round);font-weight:700;
}
.feature-title{font-family:var(--font-round);font-weight:700;font-size:18px;margin-bottom:12px;line-height:1.5}
.feature-text{font-size:14.5px;color:var(--ink-2)}
.feature-text strong{color:var(--blue-dd)}

.solution-highlight{
  margin-top:36px;background:var(--blue-dd);
  color:#fff;border-radius:var(--radius-lg);padding:40px 38px;box-shadow:var(--shadow);
}
.solution-title{font-family:var(--font-round);font-weight:700;font-size:clamp(20px,2.6vw,26px);margin-bottom:14px}
.solution-title .hl{color:#fff;background:rgba(255,255,255,.22);padding:0 8px;border-radius:6px}
.solution-highlight p{font-size:15px;opacity:.96}
.solution-highlight strong{color:#fff;text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(255,255,255,.55)}
.solution-flow{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px;margin-top:26px}
.flow-step{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.4);border-radius:var(--radius);padding:12px 18px;font-weight:700;font-size:14px}
.flow-step--goal{background:#fff;color:var(--blue-dd)}
.flow-arrow{font-weight:700;font-size:18px}

/* ===== ⑤ Cases ===== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;box-shadow:var(--shadow-sm);position:relative;transition:transform .2s,box-shadow .2s;
}
.case-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.case-card--feature{border:2px solid var(--blue);box-shadow:var(--shadow)}
.case-card--feature::after{
  content:"人気";position:absolute;top:-12px;right:20px;background:var(--accent);color:#fff;
  font-family:var(--font-round);font-weight:700;font-size:12px;padding:5px 14px;border-radius:var(--radius);
}
.case-head{text-align:center;border-bottom:1px dashed var(--line);padding-bottom:18px;margin-bottom:18px}
.case-tag{display:inline-block;font-family:var(--font-round);font-weight:700;font-size:14px;color:#fff;background:var(--blue);border-radius:var(--radius);padding:6px 18px;margin-bottom:14px}
.case-save{display:flex;align-items:baseline;justify-content:center;gap:2px;flex-wrap:wrap}
.case-save-num{font-family:var(--font-round);font-weight:700;font-size:54px;color:var(--accent-d);line-height:1}
.case-save-unit{font-family:var(--font-round);font-weight:700;font-size:22px;color:var(--accent-d)}
.case-save-sub{flex-basis:100%;font-size:12.5px;color:var(--ink-2);margin-top:4px}
.case-spec li{display:flex;gap:10px;font-size:14px;padding:7px 0;border-bottom:1px solid #f1f6f9}
.case-spec li:last-child{border-bottom:none}
.case-spec li span{flex:0 0 46px;font-weight:700;color:var(--blue-dd)}
.cases-note{text-align:center;color:var(--ink-2);font-size:13px;margin:26px 0 28px}

/* ===== ⑥ Story ===== */
.section--dark{background:linear-gradient(160deg,var(--navy),#0a2a3c);color:#dceaf2}
.story-inner{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.section--dark .section-eyebrow{color:var(--blue)}
.section--dark .section-title{color:#fff}
.story-body p{margin-bottom:18px;color:#cfe0ea;font-size:15.5px}
.story-body strong{color:#fff;border-bottom:2px solid var(--blue)}
.vision-list{display:flex;flex-direction:column;gap:12px;margin:26px 0 20px}
.vision-item{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:14px 18px;font-size:16px}
.vision-item strong{color:#fff;border:none}
.vision-mark{flex:0 0 14px;width:14px;height:14px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px rgba(70,185,244,.25)}
.story-close{font-family:var(--font-round);font-weight:700;color:#fff !important;font-size:18px}

/* ===== ⑦ Options ===== */
.option-list{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-bottom:24px}
.option-list li{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 26px;font-family:var(--font-round);font-weight:700;font-size:15px;
  box-shadow:var(--shadow-sm);color:var(--ink);transition:transform .15s,color .15s,border-color .15s;
}
.option-list li:hover{transform:translateY(-3px);color:var(--blue-dd);border-color:var(--blue)}
.options-note{text-align:center;color:var(--ink-2);font-size:14.5px;max-width:680px;margin:0 auto}

/* ===== ⑧ FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm)}
.faq-q{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  font-family:var(--font);font-weight:700;font-size:15.5px;color:var(--ink);
  padding:20px 56px 20px 24px;position:relative;line-height:1.6;
}
.faq-q::before{content:"Q";position:absolute;left:24px;display:none}
.faq-q::after{
  content:"";position:absolute;right:24px;top:50%;width:11px;height:11px;
  border-right:2.5px solid var(--blue-dd);border-bottom:2.5px solid var(--blue-dd);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s;
}
.faq-item.open .faq-q::after{transform:translateY(-30%) rotate(-135deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 24px 22px;color:var(--ink-2);font-size:14.5px}

/* ===== ⑨ Closing + Form ===== */
.closing{
  position:relative;padding:84px 0;
  background:rgba(234,245,252,.6);border-top:1px solid var(--line);
}
.closing-head{text-align:center;margin-bottom:40px}
.closing-title{font-family:var(--font-round);font-weight:700;font-size:clamp(24px,3.6vw,38px);line-height:1.4;color:var(--navy)}
.closing-sub{margin-top:16px;color:var(--ink-2);font-size:16px}
.contact-form{
  max-width:680px;margin:0 auto;background:#fff;border-radius:var(--radius-lg);
  padding:38px 34px;box-shadow:var(--shadow);border:1px solid var(--line);
}
.form-row{margin-bottom:18px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}
.contact-form label{display:block;font-weight:700;font-size:14px;color:var(--ink)}
.contact-form input,.contact-form textarea{
  width:100%;margin-top:8px;padding:13px 14px;font-size:15px;font-family:var(--font);
  border:1.5px solid var(--line);border-radius:var(--radius);background:#fbfdfe;transition:border-color .15s,box-shadow .15s;
}
.contact-form input:focus,.contact-form textarea:focus{
  outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(70,185,244,.18);background:#fff;
}
.contact-form textarea{resize:vertical}
.req{display:inline-block;background:var(--accent);color:#fff;font-size:11px;font-weight:700;border-radius:5px;padding:2px 7px;margin-left:6px;vertical-align:middle}
.form-note{font-size:12.5px;color:var(--ink-2);margin:6px 0 18px}
.form-success{margin-top:16px;text-align:center;color:var(--blue-dd);font-weight:700;background:var(--blue-tint);border-radius:var(--radius);padding:14px}
input.invalid,textarea.invalid{border-color:#e5484d;box-shadow:0 0 0 3px rgba(229,72,77,.14)}

/* ===== Footer ===== */
.site-footer{background:var(--navy);color:#bcd2de;padding:54px 0 26px}
.footer-inner{display:grid;grid-template-columns:1.1fr 1.3fr .9fr;gap:40px;align-items:start}
.footer-logo{height:38px;background:#fff;border-radius:var(--radius);padding:6px 10px;margin-bottom:10px}
.footer-brand-name{font-family:var(--font-round);font-weight:700;font-size:18px;color:#fff;margin-bottom:8px}
.footer-tag{font-size:13px;line-height:1.7}
.footer-info dl{margin-bottom:18px}
.footer-info dl>div{display:flex;gap:12px;padding:6px 0;font-size:13px;line-height:1.7;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-info dt{flex:0 0 92px;color:#8fb0c1;font-weight:700}
.footer-info dd{margin:0;color:#dceaf2}
.footer-info dd a{color:#bfe6fb;text-decoration:underline;text-underline-offset:2px}
.footer-policy{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13px}
.footer-policy a{color:#bcd2de;text-decoration:underline;text-underline-offset:2px;transition:color .15s}
.footer-policy a:hover{color:#fff}
.footer-nav{display:flex;flex-direction:column;gap:12px;font-size:13.5px;font-weight:700}
.footer-nav a{color:#bcd2de;transition:color .15s}
.footer-nav a:hover{color:#fff}
.copyright{text-align:center;font-size:12px;color:#7fa0b1;margin-top:36px;border-top:1px solid rgba(255,255,255,.1);padding-top:20px}

/* ===== Legal pages (privacy / tokushoho) ===== */
.legal-header{
  background:#fff;border-bottom:1px solid var(--line);
}
.legal-header .container{display:flex;align-items:center;justify-content:space-between;height:66px}
.legal-header .logo img{height:38px}
.legal-back{font-size:13.5px;font-weight:700;color:var(--blue-dd)}
.legal-back:hover{text-decoration:underline}
.legal-main{max-width:820px;margin:0 auto;padding:54px 24px 72px}
.legal-title{font-family:var(--font-round);font-weight:700;font-size:clamp(22px,3vw,30px);color:var(--ink);padding-bottom:18px;margin-bottom:28px;border-bottom:3px solid var(--blue)}
.legal-lead{color:var(--ink-2);margin-bottom:30px}
.legal-main h2{font-family:var(--font-round);font-weight:700;font-size:18px;color:var(--ink);margin:30px 0 10px;padding-left:12px;border-left:4px solid var(--blue);border-radius:0}
.legal-main p{color:var(--ink-2);margin-bottom:12px}
.legal-main ul.legal-list{margin:8px 0 12px;padding-left:0}
.legal-main ul.legal-list li{position:relative;padding-left:20px;color:var(--ink-2);margin-bottom:8px}
.legal-main ul.legal-list li::before{content:"";position:absolute;left:2px;top:12px;width:7px;height:7px;background:var(--blue);border-radius:50%}
.legal-table{width:100%;border-collapse:collapse;margin-top:8px}
.legal-table th,.legal-table td{text-align:left;vertical-align:top;padding:14px 16px;border:1px solid var(--line);font-size:14.5px}
.legal-table th{width:34%;background:var(--blue-tint);color:var(--ink);font-weight:700;white-space:nowrap}
.legal-table td{color:var(--ink-2)}
.legal-sign{margin-top:30px;font-weight:700;color:var(--ink)}
.legal-footer{background:var(--navy);color:#8fb0c1;text-align:center;font-size:12px;padding:24px}
@media(max-width:600px){
  .legal-table,.legal-table tbody,.legal-table tr,.legal-table th,.legal-table td{display:block;width:100%}
  .legal-table tr{border:1px solid var(--line);border-radius:var(--radius);margin-bottom:10px;overflow:hidden}
  .legal-table th{white-space:normal;border:none;background:var(--blue-tint);font-size:14px;padding:11px 14px}
  .legal-table td{border:none;font-size:15px;line-height:1.8;padding:12px 14px}
}

/* ===== Floating CTA ===== */
.floating-cta{
  position:fixed;right:20px;bottom:20px;z-index:90;
  background:var(--accent);color:#fff;
  font-family:var(--font-round);font-weight:700;font-size:14px;
  padding:14px 22px;border-radius:var(--radius);box-shadow:var(--shadow-cta);
  opacity:0;transform:translateY(20px);pointer-events:none;transition:opacity .3s,transform .3s;
}
.floating-cta.show{opacity:1;transform:translateY(0);pointer-events:auto}
.floating-cta:hover{transform:translateY(-3px)}

/* ===== Reveal animation ===== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ===== Responsive ===== */
@media(max-width:920px){
  .hero-inner{grid-template-columns:1fr;gap:32px}
  /* スマホ・タブレット縦並び時：コピー＋特長バッジを上、ロゴカードを下に */
  .hero-copy{order:1}
  .hero-visual{order:2}
  .hero-card{max-width:320px}
  .story-inner{grid-template-columns:1fr;gap:28px}
  .feature-grid,.case-grid{grid-template-columns:1fr}
  /* 縦並び時：小規模→中規模→大規模の自然な順序で表示 */
  .case-card--feature{order:0}
}
@media(max-width:768px){
  .gnav,.header-cta{display:none}
  .nav-toggle{display:flex}
  .mobile-nav.open{display:flex}
  .pc-only{display:none}
  .section{padding:56px 0}
  .problem-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .hero{padding:96px 0 56px}
  .solution-highlight,.contact-form{padding:26px 20px}
  .floating-cta{left:16px;right:16px;text-align:center;bottom:14px;padding:16px 22px}
  .footer-inner{grid-template-columns:1fr;gap:26px}

  /* CTAをタップしやすく全幅化 */
  .hero-actions{flex-direction:column;gap:12px}
  .hero-actions .btn{width:100%}
  .btn-lg{font-size:16px;padding:17px 22px}

  /* 読みやすい本文・余白 */
  .hero-sub{font-size:15px;line-height:1.9}
  .section-desc{font-size:15px}
  .feature-text,.case-spec li,.faq-a p{font-size:15px}
  .problem-text{font-size:15.5px}
  .solution-highlight p{font-size:15px}

  /* タップ領域の確保 */
  .mobile-nav a{padding:14px 4px}
  .faq-q{padding:18px 50px 18px 18px;font-size:15.5px}
  .faq-a p{padding:0 18px 20px}
  .footer-nav{flex-direction:row;flex-wrap:wrap;gap:10px 18px}
  .footer-nav a,.footer-policy a{display:inline-block;padding:8px 0}

  /* 規約ページ */
  .legal-main{padding:36px 20px 56px}
}
@media(max-width:480px){
  .container{padding:0 18px}
  .hero-badges{gap:8px}
  .hero-badges li{font-size:12.5px;padding:8px 12px}
  .proof-list li{font-size:13px;padding:11px 14px}
  .option-list li{padding:14px 18px;font-size:14px}
  .case-save-num{font-size:46px}
  .closing-title{font-size:24px}
}

@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  body::before{animation:none}
  html{scroll-behavior:auto}
}