@charset "UTF-8";
/* CSS Document */

:root{
  --rakuten-red:#bf0000;
  --rakuten-red-dark:#970000;
  --mobile-pink:#ff008c;
  --pink-soft:#fff2f8;
  --pink-panel:#fdebf5;
  --ink:#333333;
  --text:#4a4a4a;
  --muted:#686868;
  --line:#d7d7d7;
  --line-soft:#ececec;
  --bg:#f7f7f7;
  --paper:#ffffff;
  --ok:#bf0000;
  --ng:#777777;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{
  font-family:'Noto Sans JP',sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.86;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--rakuten-red)}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
h1,h2,h3,.disp{font-family:'Noto Sans JP',sans-serif}
.num{font-family:'Barlow Condensed',sans-serif;font-weight:800;letter-spacing:0}

.topbar{
  background:#f6f6f6;
  border-bottom:1px solid var(--line-soft);
  color:#555;
  font-size:12px;
  text-align:center;
  padding:6px 12px;
}
.topbar b{color:var(--rakuten-red)}
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 8px rgba(0,0,0,.04);
}
.global-nav{
  min-height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.brand{
  color:var(--rakuten-red);
  text-decoration:none;
  display:flex;
  align-items:baseline;
  gap:9px;
  font-weight:900;
  white-space:nowrap;
}
.brand .r{font-size:21px;line-height:1}
.brand .m{font-size:13px;color:#333;font-weight:700;letter-spacing:.02em}
.nav-links{
  display:flex;
  align-items:center;
  gap:22px;
  font-size:14px;
  font-weight:700;
}
.nav-links a{color:#333;text-decoration:none}
.nav-actions{display:flex;align-items:center;gap:10px}
.mini-btn{
  min-height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--rakuten-red);
  border-radius:4px;
  color:var(--rakuten-red);
  background:#fff;
  text-decoration:none;
  font-size:13px;
  font-weight:900;
  padding:7px 13px;
  line-height:1.3;
  position:relative;
}
.mini-btn.primary{background:var(--rakuten-red);color:#fff;padding-right:28px}

/* hero */
.hero{
  background:
    linear-gradient(90deg,#fff 0%,#fff 56%,rgba(255,242,248,.82) 56%,rgba(255,242,248,.82) 100%);
  color:var(--ink);
  border-bottom:1px solid var(--line-soft);
  padding:0;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(120deg,transparent 0%,transparent 60%,rgba(191,0,0,.08) 60%,rgba(191,0,0,.08) 100%),
    repeating-linear-gradient(135deg,rgba(191,0,0,.04) 0 1px,transparent 1px 16px);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.12fr) minmax(320px,.88fr);
  gap:34px;
  align-items:center;
  min-height:480px;
  padding:40px 20px 36px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--rakuten-red);
  background:#fff;
  border:1px solid rgba(191,0,0,.28);
  font-weight:900;
  font-size:13px;
  padding:4px 12px;
  border-radius:4px;
  margin-bottom:18px;
}
.hero h1{
  font-weight:900;
  font-size:clamp(30px,4.25vw,50px);
  line-height:1.2;
  letter-spacing:0;
  margin-bottom:16px;
}
.hero h1 .marker{color:var(--rakuten-red);white-space:nowrap}
.hero h1 small{
  display:block;
  font-size:clamp(15px,1.6vw,20px);
  color:var(--text);
  font-weight:900;
  margin-top:12px;
}
.hero .lead{
  max-width:620px;
  font-size:17px;
  color:var(--text);
  margin-bottom:22px;
}
.hero-copy .cta-btn{max-width:440px}
.hero-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:6px;
  box-shadow:0 12px 28px rgba(0,0,0,.09);
  padding:20px;
}
.panel-kicker{
  color:var(--rakuten-red);
  font-size:13px;
  font-weight:900;
  text-align:center;
  margin-bottom:12px;
}
.pt-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:18px}
.pt-card{
  background:var(--pink-soft);
  color:var(--ink);
  border:2px solid #f7c5dd;
  border-radius:6px;
  padding:17px 10px 14px;
  text-align:center;
  position:relative;
}
.pt-card.best{
  background:#fff;
  border-color:var(--rakuten-red);
}
.pt-card .tag{
  display:block;
  min-height:36px;
  color:var(--ink);
  font-size:12.5px;
  font-weight:900;
  line-height:1.45;
}
.pt-card .val{
  color:var(--rakuten-red);
  font-size:54px;
  line-height:.95;
  margin:6px 0 4px;
}
.pt-card .val small{font-size:19px;font-family:'Noto Sans JP',sans-serif;font-weight:900;margin-left:2px}
.pt-card .sub{font-size:12.5px;color:var(--muted);line-height:1.5}
.cta-btn{
  display:flex;
  min-height:58px;
  width:100%;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:2px;
  background:var(--rakuten-red);
  color:#fff;
  text-decoration:none;
  text-align:center;
  font-weight:900;
  font-size:18px;
  padding:14px 16px;
  border-radius:4px;
  box-shadow:0 4px 0 var(--rakuten-red-dark);
  transition:transform .12s ease, box-shadow .12s ease, background .12s ease;
  position:relative;
}
.cta-btn:hover{background:#d40000}
.cta-btn:active{transform:translateY(3px);box-shadow:0 1px 0 var(--rakuten-red-dark)}
.cta-btn.inv{background:#fff;color:var(--rakuten-red);border:2px solid var(--rakuten-red);box-shadow:none}
.cta-btn.inv:hover{background:#fff7f7}
.cta-btn.inv:active{box-shadow:none}
.cta-btn::after,.mini-btn.primary::after{
  content:"";
  width:7px;
  height:7px;
  border-top:2px solid currentColor;
  border-right:2px solid currentColor;
  transform:rotate(45deg);
  position:absolute;
  right:14px;
}
.cta-btn .s{display:block;font-size:12px;font-weight:700;opacity:.9;line-height:1.35}
.cta-note{font-size:12.5px;color:var(--muted);margin-top:10px;line-height:1.6}

/* profile and table of contents */
.badge-sec{background:var(--bg);padding:32px 0 0;position:relative;z-index:2}
.badge-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:6px;
  box-shadow:0 8px 18px rgba(0,0,0,.04);
  padding:24px;
}
.badge-head{
  font-size:12px;
  letter-spacing:.08em;
  color:var(--rakuten-red);
  font-weight:900;
  margin-bottom:14px;
}
.badge-body{display:flex;gap:18px;align-items:center}
.badge-photo{
  flex:0 0 72px;
  height:72px;
  border-radius:50%;
  background:var(--rakuten-red);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:900;
  font-size:24px;
}
.badge-info .name{font-weight:900;font-size:20px}
.badge-info .role{font-size:14px;color:var(--muted);margin-top:2px}
.badge-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.badge-tags span{
  font-size:12px;
  font-weight:700;
  color:var(--rakuten-red);
  background:#fff7f7;
  border:1px solid rgba(191,0,0,.24);
  border-radius:4px;
  padding:2px 8px;
}
.badge-msg{
  margin-top:16px;
  padding-top:14px;
  border-top:1px solid var(--line-soft);
  font-size:15px;
  color:var(--text);
}
.toc{background:#fafafa;border:1px solid var(--line);border-radius:6px;padding:18px 20px;margin-top:20px}
.toc .t{font-weight:900;font-size:15px;margin-bottom:8px;color:var(--ink)}
.toc ol{display:grid;grid-template-columns:1fr 1fr;gap:4px 24px;padding-left:1.4em;font-size:14px}
.toc li{margin:2px 0}
.toc a{color:var(--ink);text-decoration:none;border-bottom:1px solid transparent}
.toc a:hover{color:var(--rakuten-red);border-bottom-color:var(--rakuten-red)}

/* sections */
section{padding:64px 0 0;background:#fff}
section:nth-of-type(even){background:#fafafa}
.sec-label{
  display:inline-block;
  font-size:12px;
  font-weight:900;
  letter-spacing:.08em;
  color:var(--rakuten-red);
  margin-bottom:8px;
}
h2{
  font-weight:900;
  font-size:clamp(25px,3.4vw,38px);
  line-height:1.42;
  margin-bottom:22px;
}
h2 .u{
  color:var(--rakuten-red);
  background:linear-gradient(transparent 70%, var(--pink-panel) 70%);
}
h3.sub{
  font-size:18px;
  font-weight:900;
  margin:28px 0 10px;
  padding:10px 0 10px 14px;
  border-left:4px solid var(--rakuten-red);
  background:#fafafa;
}
p.body{font-size:16.5px;color:var(--text);margin-bottom:14px}
.note{font-size:12.5px;color:var(--muted);margin-top:10px}
.chips{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}
.chip{
  background:#fff;
  border:1px solid var(--line);
  border-radius:6px;
  padding:14px 16px;
  font-size:15px;
  font-weight:700;
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.chip::before{content:"";flex:0 0 auto;width:18px;height:18px;border-radius:50%;background:var(--rakuten-red);margin-top:5px;box-shadow:inset 0 0 0 5px #fff;border:2px solid var(--rakuten-red)}

/* tables */
.tbl-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:6px;background:#fff}
.tbl{width:100%;min-width:680px;border-collapse:collapse;font-size:14.5px;background:#fff}
.tbl th,.tbl td{padding:14px 12px;border-bottom:1px solid var(--line);border-right:1px solid var(--line-soft);text-align:center;vertical-align:middle}
.tbl tr:last-child th,.tbl tr:last-child td{border-bottom:none}
.tbl th:last-child,.tbl td:last-child{border-right:none}
.tbl thead th{background:#4b4b4b;color:#fff;font-size:13px}
.tbl thead th.hl{background:var(--rakuten-red)}
.tbl tbody th{background:#fafafa;font-weight:900;text-align:left;font-size:13.5px;width:30%}
.tbl .pt{font-weight:900;color:var(--rakuten-red);font-size:17px}
.okmark{color:var(--ok);font-weight:900}
.ngmark{color:var(--ng);font-weight:900}
.elig{width:100%;border-collapse:collapse;font-size:15px;background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden}
.elig th,.elig td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left}
.elig tr:last-child th,.elig tr:last-child td{border-bottom:none}
.elig th{background:#f7f7f7;font-weight:900;width:46%}
.elig .pt{font-weight:900;color:var(--rakuten-red)}

/* timeline */
.timeline{position:relative;margin:22px 0 8px;padding-left:28px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--rakuten-red)}
.tl-item{position:relative;padding:0 0 24px}
.tl-item::before{
  content:"";
  position:absolute;
  left:-27px;
  top:5px;
  width:14px;
  height:14px;
  border-radius:50%;
  background:#fff;
  border:3px solid var(--rakuten-red);
}
.tl-item .when{font-size:12.5px;font-weight:900;color:var(--rakuten-red)}
.tl-item .what{font-size:15.5px;font-weight:900}
.tl-item .detail{font-size:13.5px;color:var(--muted)}
.shot{
  border:1px dashed #bdbdbd;
  border-radius:6px;
  background:#fafafa;
  padding:26px 18px;
  text-align:center;
  color:var(--muted);
  font-size:13.5px;
  margin:18px 0;
}
.shot b{display:block;color:var(--ink);font-size:14.5px;margin-bottom:4px}

/* steps */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.step{
  background:#fff;
  border:1px solid var(--line);
  border-radius:6px;
  padding:18px 18px 18px;
  position:relative;
}
.step::before{
  counter-increment:step;
  content:"STEP " counter(step);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  background:var(--rakuten-red);
  border-radius:4px;
  font-family:'Barlow Condensed',sans-serif;
  font-weight:800;
  font-size:16px;
  padding:2px 10px;
  margin-bottom:12px;
}
.step h3{font-size:17px;font-weight:900;margin-bottom:7px;line-height:1.55}
.step p{font-size:14.5px;color:var(--muted);line-height:1.75}

/* caution */
.warn{
  background:#fff7f7;
  border:1px solid var(--rakuten-red);
  border-radius:6px;
  padding:20px 18px;
  margin-top:18px;
}
.warn h3{color:var(--rakuten-red);font-weight:900;font-size:18px;margin-bottom:10px}
.warn p{font-size:15px}
.warn b{background:linear-gradient(transparent 64%, var(--pink-panel) 64%)}
.ng-list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
.ng-list li{
  background:#fff;
  border:1px solid var(--line);
  border-top:4px solid var(--rakuten-red);
  border-radius:6px;
  padding:15px 16px;
  font-size:14.5px;
}
.ng-list li b{display:block;color:var(--rakuten-red);font-size:15px;margin-bottom:4px}

/* changelog */
.log{width:100%;border-collapse:collapse;font-size:14px;background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden}
.log th,.log td{padding:13px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.log tr:last-child td{border-bottom:none}
.log thead th{background:#f2f2f2;font-size:13px}
.log .d{white-space:nowrap;font-weight:900;color:var(--rakuten-red);font-size:13px}

/* faq */
.faq{border:1px solid var(--line);border-radius:6px;background:#fff;overflow:hidden}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:none}
.faq summary{
  cursor:pointer;
  list-style:none;
  padding:17px 48px 17px 18px;
  font-weight:900;
  font-size:16px;
  position:relative;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";
  position:absolute;
  right:18px;
  top:50%;
  transform:translateY(-50%);
  color:var(--rakuten-red);
  font-weight:900;
  font-size:24px;
}
.faq details[open] summary::after{content:"-"}
.faq .a{padding:0 18px 18px;font-size:15px;color:var(--text)}

/* insider section */
.insider{
  background:#fff;
  border:1px solid var(--line);
  border-radius:6px;
  padding:22px 20px;
  margin-top:10px;
}
.insider h3{font-size:17px;font-weight:900;margin-bottom:8px;display:flex;gap:8px;align-items:center}
.insider h3 .i{
  flex:0 0 auto;
  width:26px;
  height:26px;
  border-radius:50%;
  background:var(--rakuten-red);
  color:#fff;
  font-size:13px;
  font-weight:900;
  display:flex;
  align-items:center;
  justify-content:center;
}
.insider p{font-size:15px;color:var(--text);margin-bottom:10px}
.insider + .insider{margin-top:14px}
.map-cta{
  display:flex;
  gap:14px;
  align-items:center;
  background:#fff7f7;
  border:1px solid rgba(191,0,0,.25);
  border-radius:6px;
  padding:14px 16px;
  margin-top:12px;
  text-decoration:none;
  color:var(--ink);
}
.map-cta .ic{
  width:34px;
  height:34px;
  border-radius:50%;
  background:var(--rakuten-red);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
  font-weight:900;
  font-size:14px;
}
.map-cta .tx{font-size:13.5px;line-height:1.6}
.map-cta .tx b{display:block;font-size:14.5px;color:var(--rakuten-red)}

/* final cta */
.final{
  margin-top:64px;
  background:linear-gradient(100deg,var(--rakuten-red),#e3002a 58%,var(--mobile-pink));
  color:#fff;
  padding:52px 0 58px;
  text-align:center;
}
.final h2{color:#fff}
.final .lead{font-size:16px;opacity:.96;margin-bottom:24px}

footer{background:#333;color:#cfcfcf;font-size:12.5px;padding:30px 0 116px;line-height:1.8}
footer .wrap{display:flex;flex-direction:column;gap:8px}
footer a{color:#fff}
footer .links{display:flex;flex-wrap:wrap;gap:14px;padding-bottom:8px;border-bottom:1px solid #555;margin-bottom:6px}
footer .links a{color:#fff;text-decoration:none;font-size:12.5px}
.sticky{
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:70;
  background:rgba(255,255,255,.98);
  backdrop-filter:blur(6px);
  border-top:1px solid var(--line);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  transform:translateY(110%);
  transition:transform .3s ease;
}
.sticky.show{transform:translateY(0)}
.sticky .cta-btn{max-width:720px;margin:0 auto;font-size:17px;padding:12px 44px 12px 16px;box-shadow:0 3px 0 var(--rakuten-red-dark)}
.sticky .cta-btn .s{font-size:12px}
a:focus-visible,summary:focus-visible{outline:3px solid #ff99cb;outline-offset:3px;border-radius:4px}

@media(max-width:900px){
  .nav-links{display:none}
  .global-nav{min-height:58px}
  .hero{background:#fff}
  .hero-grid{grid-template-columns:1fr;min-height:0;padding-top:38px}
  .hero-panel{max-width:640px}
  .steps{grid-template-columns:1fr}
  .ng-list{grid-template-columns:1fr}
}
@media(max-width:680px){
  .wrap{padding:0 16px}
  .brand .m{display:none}
  .nav-actions .mini-btn:first-child{display:none}
  .mini-btn{font-size:12px;padding:7px 10px;min-height:36px}
  .hero-grid{padding:32px 16px 34px;gap:22px}
  .hero h1{font-size:clamp(28px,8.35vw,36px);line-height:1.26}
  .hero .lead{font-size:16px}
  .hero-panel{padding:16px}
  .pt-cards{grid-template-columns:1fr}
  .pt-card .tag{min-height:0}
  .badge-card{padding:20px 16px}
  .badge-body{align-items:flex-start}
  .badge-photo{flex-basis:58px;height:58px}
  .toc ol{grid-template-columns:1fr}
  section{padding-top:52px}
  .chips{grid-template-columns:1fr}
  .cta-btn{font-size:16px;padding-right:42px}
}
</style>