:root {
  --bg: #fffaf0;
  --ink: #1f2430;
  --sub: #5b6170;
  --line: #ece3d0;
  --amber: #f5a524;
  --amber-soft: #ffe7b3;
  --blue: #2f7fe0;
  --card: #ffffff;
  --dark: #23262f;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", sans-serif;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { display: block; max-width: 100%; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 720px; }
.center { text-align: center; }
section { padding: 88px 0; scroll-margin-top: 40px; }
section.wrap { padding-top: 88px; padding-bottom: 88px; }

/* nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
  background: rgba(255, 250, 240, .88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.logo { font-family: Inter, sans-serif; font-weight: 800; font-size: 22px; text-decoration: none; letter-spacing: .04em; }
.logo span { color: var(--amber); }
.nav nav { display: flex; gap: 24px; align-items: center; font-size: 14px; font-weight: 700; }
.nav nav a { text-decoration: none; }
.nav nav a:hover { color: var(--blue); }
.nav-cta { background: #06c755; color: #fff !important; padding: 8px 16px; border-radius: 999px; }

/* hero */
.hero {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center;
  padding-top: 32px !important; padding-bottom: 56px !important;
}
.eyebrow { font-weight: 700; font-size: 14px; color: var(--sub); margin: 0 0 12px; }
h1 { font-size: clamp(30px, 4.4vw, 50px); line-height: 1.25; font-weight: 900; margin: 0 0 12px; letter-spacing: .01em; }
.h1-pre { display: block; font-size: .6em; margin-bottom: 4px; }
.aside { font-size: 13px; }
mark { background: linear-gradient(transparent 60%, var(--amber-soft) 60%); color: var(--ink); padding: 0 .08em; }
.hero-sub { font-size: clamp(18px, 2.2vw, 24px); font-weight: 900; line-height: 1.5; margin: 0 0 16px; }
.hero-sub strong { color: var(--blue); }
.lead { color: var(--sub); margin: 0 0 10px; font-size: 15px; line-height: 1.75; }
.lead strong { color: var(--ink); }

.sns { display: flex; gap: 10px; margin: 16px 0; }
.hero-side { display: grid; gap: 28px; justify-items: center; }
.cta-row { display: flex; align-items: center; gap: 12px; width: 100%; max-width: 440px; }
.cta-row .btn { flex: 1; }
.sns a {
  width: 44px; height: 44px; border-radius: 50%; border: 1.5px solid var(--ink);
  display: grid; place-items: center; transition: background .2s;
}
.sns a:hover { background: var(--amber-soft); }
.sns svg { width: 22px; height: 22px; fill: none; stroke: var(--ink); stroke-width: 1.8; }
.sns svg .fill { fill: var(--ink); stroke: none; }
.sns a[aria-label="LINE"] svg { fill: var(--ink); stroke: none; }

.cta-stack { display: grid; gap: 12px; max-width: 440px; }
.btn {
  display: block;
  text-decoration: none; font-weight: 900; border-radius: 14px; padding: 14px 20px;
  transition: transform .15s, box-shadow .15s; text-align: center; line-height: 1.5;
}
.btn small { display: block; font-size: 12px; font-weight: 500; opacity: .8; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,.12); }
.btn-dark { background: var(--dark); color: #fff; }
.btn-light { background: #fff; border: 1.5px solid var(--ink); }
.btn-amber { background: var(--amber); color: var(--ink); }
.btn-line { background: #06c755; color: #fff; font-size: 18px; padding: 16px 20px; }
.btn-line small { font-size: 13px; opacity: 1; }
.btn-line small b { background: #fff; color: #06a347; padding: 0 6px; border-radius: 4px; margin: 0 2px; }
.btn.big { display: inline-block; padding: 18px 32px; font-size: 18px; margin-top: 12px; }

.hero-photo { position: relative; width: min(360px, 80vw); aspect-ratio: 1; }
.photo-bg {
  position: absolute; inset: 8% -4% -6% 6%; border-radius: 40% 60% 55% 45% / 50% 45% 55% 50%;
  background: var(--amber-soft); border: 2px solid var(--amber);
}
.hero-photo img {
  position: relative; width: 100%; height: 100%; object-fit: cover;
  border-radius: 50%; border: 6px solid #fff; box-shadow: 0 16px 40px rgba(31,36,48,.15);
  transform: scale(1);
}
.badge {
  position: absolute; background: #fff; border-radius: 14px; padding: 8px 14px;
  font-size: 12px; color: var(--sub); box-shadow: 0 8px 24px rgba(31,36,48,.12); line-height: 1.4;
}
.badge b { display: block; font-family: Inter, sans-serif; font-size: 20px; color: var(--ink); font-weight: 800; }
.b1 { left: -12%; bottom: 14%; }
.b2 { right: -10%; top: 6%; }

/* sections */
.sec-no { font-family: Inter, sans-serif; font-weight: 700; font-size: 13px; color: var(--amber); letter-spacing: .08em; margin: 0 0 8px; }
h2 { font-size: clamp(28px, 3.6vw, 40px); line-height: 1.4; font-weight: 900; margin: 0 0 16px; }
.sec-lead { color: var(--sub); margin: 0 0 40px; }
h3 { font-size: 20px; margin: 0 0 6px; font-weight: 900; }

.belief { background: var(--dark); color: #f3f1ea; }
.belief p { color: #cfd2da; font-size: 17px; }
.belief .sec-no { color: var(--amber); }
.belief .quote {
  color: #fff; font-size: clamp(20px, 2.6vw, 26px); font-weight: 900; line-height: 1.6;
  border-left: 4px solid var(--amber); padding: 6px 0 6px 20px; margin: 32px 0;
}

.belief .h2-sub { display: inline-block; margin-top: 8px; font-size: .6em; color: var(--amber); }
.belief .talk { color: #fff; font-size: 18px; margin-top: 32px; }
.belief .talk strong { color: var(--amber); }
.talk-btn { display: inline-block; margin-top: 4px; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cards-4 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 28px;
  box-shadow: 0 4px 0 var(--line);
}
.card .hl { color: var(--ink); background: linear-gradient(transparent 60%, var(--amber-soft) 60%); }
.case { margin-top: 16px; background: #fff7e6; border: 1.5px dashed var(--amber); border-radius: 14px; padding: 12px 14px; }
.case-tag { display: inline-block; font-size: 12px; font-weight: 900; color: #fff; background: var(--amber); border-radius: 999px; padding: 2px 10px; }
.card .case p { margin: 6px 0 0; color: var(--ink); font-size: 14px; min-height: 3.4em; }
.card .case-num { color: #e8590c; font-size: 1.15em; }
.card { display: flex; flex-direction: column; }
.card .case { margin-top: auto; }
.card ul { margin-bottom: 16px; }
.card .num { font-family: Inter, sans-serif; font-weight: 800; color: var(--blue); font-size: 14px; }
.card > p { color: var(--sub); margin: 0 0 16px; font-size: 15px; }
.card ul, .plan ul { margin: 0; padding: 0; list-style: none; font-size: 14px; }
.card li, .plan li { padding: 8px 0 8px 22px; border-top: 1px dashed var(--line); position: relative; }
.card li::before, .plan li::before { content: "✓"; position: absolute; left: 0; color: var(--amber); font-weight: 900; }

.reels { margin-top: 48px; }
.reels-title { font-size: 20px; margin-bottom: 16px; }
.reels-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: start; }
.reels-row .instagram-media { min-width: 0 !important; width: 100% !important; max-width: 100% !important; margin: 0 !important; }
.reels-row iframe.instagram-media { min-width: 0 !important; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.step {
  position: relative; background: #fff; border: 1.5px solid var(--line); border-radius: 20px;
  padding: 24px 20px; display: flex; flex-direction: column;
}
.step:not(:last-child)::after {
  content: "→"; position: absolute; right: -24px; top: 50%; transform: translateY(-50%);
  font-weight: 900; font-size: 20px; color: var(--amber);
}
.step-no { font-family: Inter, sans-serif; font-weight: 800; font-size: 13px; color: #fff; background: var(--blue); border-radius: 999px; padding: 2px 12px; align-self: flex-start; }
.step h3 { margin-top: 12px; font-size: 18px; }
.step p { color: var(--sub); font-size: 14px; margin: 0 0 16px; flex: 1; }
.step-out { font-size: 12px; font-weight: 700; background: #fff7e6; border: 1.5px dashed var(--amber); border-radius: 10px; padding: 6px 10px; }
.step-out::before { content: "成果物｜"; color: #e8590c; }

.plans-sec { background: #fff3da; }
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.plan { background: #fff; border-radius: 22px; padding: 32px; border: 1.5px solid var(--line); display: flex; flex-direction: column; }
.plan.featured { border: 2px solid var(--ink); box-shadow: 8px 8px 0 var(--amber); }
.plan-tag { font-size: 13px; font-weight: 700; color: var(--sub); margin: 0 0 4px; }
.price { font-family: Inter, "Zen Kaku Gothic New", sans-serif; font-size: 40px; font-weight: 800; margin: 4px 0 12px; line-height: 1.2; }
.price span { font-size: 15px; font-weight: 700; color: var(--sub); margin-left: 4px; }
.plan > p:not(.price):not(.plan-tag) { color: var(--sub); font-size: 15px; }
.plan ul { margin-bottom: 24px; flex: 1; }

.gifts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px; }
.gift { display: flex; gap: 16px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 20px; }
.gift > span { font-size: 32px; }
.gift b { display: block; }
.gift small { color: var(--sub); }
.note { color: var(--sub); font-size: 14px; margin-top: 16px; }

.final { background: linear-gradient(180deg, var(--bg), #ffe9bd); }
.final-photo { width: 96px; height: 96px; border-radius: 50%; margin: 0 auto 20px; border: 4px solid #fff; box-shadow: 0 8px 20px rgba(0,0,0,.12); }
.final p { color: var(--sub); }

.footer { padding: 32px 24px; font-size: 13px; color: var(--sub); text-align: center; }

@media (max-width: 860px) {
  .nav nav a:not(.nav-cta) { display: none; }
  .hero { grid-template-columns: 1fr; gap: 32px; padding-top: 32px !important; }
  br.pc { display: none; }
  h1 { font-size: 32px; }
  h2 { font-size: 24px; }
  .hero-sub { font-size: 15.5px; }
  .hero-side { display: contents; }
  .hero-photo { order: -1; width: min(260px, 70vw); justify-self: center; }
  .cta-row { max-width: none; }
  .btn-line small { font-size: 12px; letter-spacing: -.02em; }
  .b1 { left: -14%; } .b2 { right: -14%; }
  .badge { padding: 6px 10px; font-size: 11px; }
  .badge b { font-size: 16px; }
  .cards, .plans, .gifts, .steps { grid-template-columns: 1fr; }
  .reels-row {
    grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: 82%;
    overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px;
  }
  .reels-row > * { scroll-snap-align: start; }
  .step:not(:last-child)::after { content: "↓"; right: auto; left: 50%; top: auto; bottom: -26px; transform: translateX(-50%); }
  section, section.wrap { padding-top: 64px; padding-bottom: 64px; }
  .wrap { padding: 0 16px; }
  .btn.big { font-size: 16px; padding: 16px 20px; }
}