:root {
  --bg: #0e1014;
  --bg2: #151820;
  --card: #1a1e27;
  --line: #2a303c;
  --text: #e8eaf0;
  --mut: #9aa2b2;
  --accent: #ff3d7f;
  --accent2: #ffb020;
  --ok: #2fbf71;
  --radius: 14px;
  --max: 1080px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Meiryo", "Yu Gothic", sans-serif;
  line-height: 1.8; font-size: 16px; -webkit-font-smoothing: antialiased;
}
a { color: #7dd3fc; }
img { max-width: 100%; display: block; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* ---- header ---- */
header.top { position: sticky; top: 0; z-index: 10; background: rgba(14, 16, 20, .86); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; align-items: center; gap: 20px; height: 60px; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 20px; color: var(--text); text-decoration: none; letter-spacing: .02em; }
.logo .mark { width: 30px; height: 30px; border-radius: 8px; background: linear-gradient(135deg, var(--accent), var(--accent2)); display: grid; place-items: center; font-size: 16px; color: #fff; }
nav.links { display: flex; gap: 18px; margin-left: auto; font-size: 14px; align-items: center; }
nav.links a { color: var(--mut); text-decoration: none; }
nav.links a:hover { color: var(--text); }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 10px; font-weight: 700; text-decoration: none; border: 1px solid var(--line); color: var(--text); background: var(--card); font-size: 15px; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.small { padding: 7px 14px; font-size: 14px; }

/* ---- hero ---- */
.hero { padding: 72px 0 40px; background: radial-gradient(1000px 420px at 70% -10%, rgba(255, 61, 127, .18), transparent 60%), radial-gradient(800px 400px at 0% 0%, rgba(255, 176, 32, .10), transparent 60%); }
.hero .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.nw { white-space: nowrap; }
.hero h1 { font-size: 40px; line-height: 1.3; margin: 0 0 16px; letter-spacing: .01em; }
.hero h1 em { font-style: normal; background: linear-gradient(90deg, var(--accent), var(--accent2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { color: var(--mut); font-size: 17px; margin: 0 0 28px; }
.hero .cta { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.hero .note { color: var(--mut); font-size: 13px; margin-top: 14px; }
.phone { width: 270px; margin: 0 auto; border-radius: 26px; overflow: hidden; border: 6px solid #22262f; box-shadow: 0 30px 80px rgba(0, 0, 0, .5), 0 0 0 1px var(--line); }

/* ---- sections ---- */
section { padding: 64px 0; }
section.alt { background: var(--bg2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { font-size: 30px; margin: 0 0 8px; }
.sub { color: var(--mut); margin: 0 0 32px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card h3 { margin: 0 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--mut); font-size: 14.5px; }
.card .ic { font-size: 26px; margin-bottom: 8px; }
.shot { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: 0 20px 60px rgba(0, 0, 0, .4); }
.steps { counter-reset: s; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 28px; }
.steps .card { position: relative; padding-top: 34px; }
.steps .card::before { counter-increment: s; content: counter(s); position: absolute; top: -14px; left: 18px; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 800; display: grid; place-items: center; }

/* ---- pricing ---- */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: stretch; }
.plan { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; display: flex; flex-direction: column; }
.plan.pop { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.plan .tag { align-self: flex-start; font-size: 12px; font-weight: 700; color: #fff; background: var(--accent); border-radius: 999px; padding: 2px 10px; margin-bottom: 8px; }
.plan h3 { margin: 0; font-size: 20px; }
.plan .price { font-size: 34px; font-weight: 800; margin: 8px 0 2px; }
.plan .price small { font-size: 14px; color: var(--mut); font-weight: 400; }
.plan ul { padding: 0; margin: 14px 0 0; list-style: none; font-size: 14.5px; }
.plan li { padding: 5px 0 5px 22px; position: relative; color: var(--text); }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 800; }
.plan li.no { color: var(--mut); }
.plan li.no::before { content: "–"; color: var(--mut); }
.fine { color: var(--mut); font-size: 13px; margin-top: 18px; }

/* ---- faq ---- */
details { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; margin-bottom: 10px; }
summary { cursor: pointer; font-weight: 700; }
details p { color: var(--mut); margin: 10px 0 0; font-size: 15px; }

/* ---- documents (privacy / terms / tokushoho) ---- */
.doc { max-width: 820px; margin: 0 auto; padding: 48px 20px 72px; }
.doc h1 { font-size: 30px; margin: 0 0 4px; }
.doc .updated { color: var(--mut); font-size: 13px; margin-bottom: 32px; }
.doc h2 { font-size: 20px; margin: 36px 0 8px; padding-top: 8px; border-top: 1px solid var(--line); }
.doc p, .doc li { color: #d4d8e1; font-size: 15.5px; }
.doc ol, .doc ul { padding-left: 1.4em; }
table.kv { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: 15px; }
table.kv th, table.kv td { border: 1px solid var(--line); padding: 12px 14px; vertical-align: top; text-align: left; }
table.kv th { width: 30%; background: var(--card); font-weight: 700; }

/* ---- footer ---- */
footer { border-top: 1px solid var(--line); padding: 32px 0 48px; color: var(--mut); font-size: 13.5px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 16px 28px; align-items: center; }
footer a { color: var(--mut); text-decoration: none; }
footer a:hover { color: var(--text); }
footer .copy { margin-left: auto; }

@media (max-width: 860px) {
  .hero .wrap, .grid3, .plans, .steps { grid-template-columns: 1fr; }
  .hero h1 { font-size: 26px; }
  nav.links a:not(.btn) { display: none; }
  .phone { width: 220px; }
  footer .copy { margin-left: 0; }
}