:root {
  --plum: #241322;
  --plum-2: #2a1429;
  --sakura: #efa6b8;
  --blush: #f4b7c5;
  --coral: #e6817d;
  --peach: #f3a477;
  --lavender: #9a7baa;
  --cream: #fff1e6;
  --text: #fff1e6;
  --muted: #e8c9d0;
}
.theme-sakura-sunset {
  --bg: #120b18;
}
.theme-japanese-night {
  --bg: #0c0812;
  --plum: #160c18;
  --sakura: #c9899a;
}
.theme-sakura-light {
  --bg: #2a1824;
  --text: #fff8f4;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: "Segoe UI", "Hiragino Sans", "Noto Sans JP", "Yu Gothic", sans-serif;
  background:
    linear-gradient(135deg, #120b18 0%, #2a1429 30%, #6b294f 55%, #d46a73 75%, #f2a17c 100%) fixed;
  color: var(--text);
}
.pattern {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image: url(/assets/images/japan-pattern.jpg);
  background-size: 420px;
  opacity: .07;
}
.sakura { position: fixed; inset: 0; pointer-events: none; z-index: 2; overflow: hidden; }
.petal {
  position: absolute; top: -20px; width: 10px; height: 8px; border-radius: 10px 0 10px 0;
  background: rgba(239,166,184,.55); opacity: .55;
  animation: fall linear infinite;
}
@keyframes fall {
  to { transform: translate3d(var(--x, 40px), 110vh, 0) rotate(360deg); }
}
.nav {
  position: relative; z-index: 5;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 28px; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--cream); text-decoration: none; font-weight: 700; }
.brand img { height: 36px; }
.mark {
  width: 36px; height: 36px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(135deg, #e98298, #d86d83, #b96582); color: #fff;
}
.nav nav { display: flex; gap: 8px; flex-wrap: wrap; }
.nav nav a {
  color: var(--cream); text-decoration: none; padding: 8px 10px; border-radius: 999px; font-size: 14px;
}
.nav nav a:hover { background: rgba(239,166,184,.16); }
.nav-toggle { display: none; background: transparent; border: 0; color: #fff; font-size: 20px; }
.hero {
  position: relative; z-index: 1; min-height: 78vh;
  display: grid; place-items: center; padding: 48px 20px 72px;
  background-image: linear-gradient(180deg, rgba(18,11,24,.35), rgba(36,19,34,.72)), var(--hero);
  background-size: cover; background-position: center;
}
.hero-inner { text-align: center; max-width: 720px; }
.kicker { letter-spacing: .18em; text-transform: uppercase; font-size: 12px; color: var(--blush); }
.hero h1 { font-size: clamp(40px, 8vw, 84px); margin: 0 0 8px; font-weight: 650; }
.lead { font-size: 18px; color: var(--cream); opacity: .92; }
.shorten {
  margin: 28px auto 0; display: flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(239,166,184,.25);
  border-radius: 999px; padding: 8px 8px 8px 16px; max-width: 560px;
  backdrop-filter: blur(10px);
}
.shorten input {
  flex: 1; background: transparent; border: 0; color: #fff; font: inherit; outline: none;
}
.shorten button, .btn {
  border: 0; border-radius: 999px; padding: 10px 16px; cursor: pointer; color: #fff; font-weight: 650;
  background: linear-gradient(135deg, #e98298, #d86d83, #b96582);
  box-shadow: 0 10px 24px rgba(182, 80, 100, .28);
  text-decoration: none; display: inline-flex; gap: 8px; align-items: center;
}
.shorten button:hover, .btn:hover { filter: brightness(1.08); }
.wrap { position: relative; z-index: 1; max-width: 1040px; margin: 0 auto; padding: 48px 20px; }
h2 { margin: 0 0 8px; }
.sub { color: var(--muted); margin-top: 0; }
.cards, .steps, .stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; }
.card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(239,166,184,.15);
  border-radius: 18px; padding: 18px;
  box-shadow: 0 16px 40px rgba(20, 8, 16, .25);
}
.card.wide { text-align: center; }
.num {
  display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%;
  background: linear-gradient(135deg, #e98298, #b96582); font-size: 13px; margin-bottom: 8px;
}
.page-hero { position: relative; z-index: 1; padding: 48px 20px 10px; text-align: center; }
.split { display: grid; grid-template-columns: 1.2fr .8fr; gap: 16px; }
.form { display: grid; gap: 8px; }
.form input, .form textarea {
  background: rgba(18,11,24,.45); border: 1px solid rgba(239,166,184,.2);
  color: #fff; border-radius: 12px; padding: 10px 12px; font: inherit;
}
.form textarea { min-height: 120px; }
.ok { background: rgba(239,166,184,.18); padding: 8px 10px; border-radius: 10px; }
.faq details { margin-bottom: 10px; }
.faq summary { cursor: pointer; font-weight: 600; }
.inline-img { max-width: 100%; border-radius: 16px; margin: 12px 0; }
.foot {
  position: relative; z-index: 1;
  background: rgba(18, 11, 24, .55); border-top: 1px solid rgba(239,166,184,.15);
  padding: 28px 0 16px; margin-top: 20px;
}
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 18px; padding-top: 0; padding-bottom: 10px; }
.foot a { color: var(--blush); display: block; text-decoration: none; margin: 4px 0; }
.social { display: flex; gap: 10px; flex-wrap: wrap; }
.social a { color: var(--cream); }
.copy { text-align: center; color: var(--muted); font-size: 13px; }
.flog { height: 36px; }
.sr { position: absolute; left: -9999px; }
@media (max-width: 800px) {
  .nav-toggle { display: block; }
  .nav nav { display: none; position: absolute; top: 64px; right: 16px; left: 16px;
    background: rgba(18,11,24,.94); border-radius: 16px; padding: 10px; flex-direction: column; }
  .nav nav.open { display: flex; }
  .split, .foot-grid { grid-template-columns: 1fr; }
  .shorten { flex-wrap: wrap; border-radius: 18px; }
}

.result{margin-top:16px;padding:12px 16px;border-radius:14px;background:rgba(255,255,255,.08);border:1px solid rgba(239,166,184,.25)}
.nav nav a,.btn,.card{transition:transform 220ms ease,background 220ms ease,box-shadow 220ms ease}
.btn:hover{transform:translateY(-1px)}
.card:hover{transform:translateY(-2px)}

.brand img{width:36px;height:36px;border-radius:10px}
.toast{position:fixed;top:20px;right:20px;z-index:90;background:#21151f;border:1px solid rgba(233,160,180,.3);padding:12px 16px;border-radius:12px}
.hero-inner{padding:8px 0 16px}