@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700;900&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --orange: #F97316;
  --orange-dark: #EA6C0A;
  --orange-light: #FFF7ED;
  --dark: #1C1917;
  --mid: #78716C;
  --light: #F5F5F4;
  --white: #FFFFFF;
  --radius: 16px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 40px rgba(249,115,22,0.18);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', sans-serif;
  background: var(--white);
  color: var(--dark);
  line-height: 1.7;
}

a { color: inherit; text-decoration: none; }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 40px;
  height: 64px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #F0EDEA;
}

.nav-logo {
  font-size: 1.2rem; font-weight: 900;
  color: var(--orange);
  letter-spacing: -0.5px;
}

.nav-links { display: flex; gap: 32px; }

.nav-links a {
  font-size: 0.9rem; font-weight: 500; color: var(--mid);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--orange); }

/* ── HERO ── */
.hero {
  padding-top: 64px;
  text-align: center;
  background: #FFF7ED;
}

.hero-banner {
  width: 100%;
  max-width: 1100px;
  display: block;
  margin: 0 auto;
}

.hero-desc {
  max-width: 560px;
  margin: 32px auto 32px;
  padding: 0 40px;
  font-size: 0.95rem;
  color: var(--mid);
  line-height: 1.9;
}

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--orange); color: white;
  font-weight: 700; font-size: 0.95rem;
  padding: 14px 32px; border-radius: 99px;
  transition: all 0.2s;
  box-shadow: 0 4px 16px rgba(249,115,22,0.3);
}
.btn:hover {
  background: var(--orange-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(249,115,22,0.4);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--orange);
  color: var(--orange);
  box-shadow: none;
}
.btn-outline:hover {
  background: var(--orange);
  color: white;
}

/* ── SECTION ── */
section { padding: 80px 40px; }

.section-label {
  font-size: 0.8rem; font-weight: 700;
  color: var(--orange); letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 900; margin-bottom: 48px;
  letter-spacing: -0.5px;
}

.container { max-width: 1100px; margin: 0 auto; }

/* ── WORKS GRID ── */
.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.work-card {
  background: var(--white);
  border: 1px solid #E8E5E2;
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
}

.work-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--orange), #FB923C);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}

.work-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: transparent;
  transform: translateY(-4px);
}
.work-card:hover::before { transform: scaleX(1); }

.work-badge {
  display: inline-block;
  font-size: 0.75rem; font-weight: 700;
  padding: 3px 10px; border-radius: 99px;
  margin-bottom: 16px;
}
.badge-tool { background: #FFF7ED; color: var(--orange); }
.badge-book { background: #F0FDF4; color: #16A34A; }
.badge-lp   { background: #EFF6FF; color: #2563EB; }

.work-icon { font-size: 2.4rem; margin-bottom: 16px; }

.work-card h3 {
  font-size: 1.1rem; font-weight: 700;
  margin-bottom: 8px; line-height: 1.4;
}

.work-card p {
  font-size: 0.88rem; color: var(--mid);
  line-height: 1.7; margin-bottom: 24px;
}

.work-price {
  font-size: 1rem; font-weight: 700;
  color: var(--orange); margin-bottom: 20px;
}

.work-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.88rem; font-weight: 700; color: var(--orange);
  transition: gap 0.2s;
}
.work-link:hover { gap: 10px; }

/* ── ABOUT ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-avatar {
  width: 200px; height: 200px;
  background: linear-gradient(135deg, var(--orange), #FB923C);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 5rem; font-weight: 900; color: white;
  margin: 0 auto;
  box-shadow: 0 16px 48px rgba(249,115,22,0.3);
}

.about-content h2 { font-size: 1.8rem; font-weight: 900; margin-bottom: 20px; }

.about-content p {
  color: var(--mid); line-height: 1.9; margin-bottom: 16px; font-size: 0.95rem;
}

.about-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }

.tag {
  background: var(--orange-light);
  color: var(--orange);
  font-size: 0.8rem; font-weight: 700;
  padding: 5px 14px; border-radius: 99px;
}

/* ── SNS ── */
.sns-section { background: var(--light); }

.sns-grid {
  display: flex; flex-wrap: wrap; gap: 16px; justify-content: center;
}

.sns-btn {
  display: flex; align-items: center; gap: 10px;
  background: var(--white); border: 1px solid #E8E5E2;
  padding: 14px 28px; border-radius: 99px;
  font-weight: 700; font-size: 0.9rem;
  transition: all 0.2s;
  box-shadow: var(--shadow);
}
.sns-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  border-color: var(--orange);
  color: var(--orange);
}

.sns-btn.coming-soon {
  opacity: 0.5; cursor: default; pointer-events: none;
}

/* ── FOOTER ── */
footer {
  text-align: center;
  padding: 40px;
  background: var(--dark);
  color: rgba(255,255,255,0.4);
  font-size: 0.85rem;
}

/* ── DETAIL PAGE HERO ── */
.detail-hero {
  padding: 120px 40px 80px;
  background: linear-gradient(160deg, #FFF7ED 0%, #FFFFFF 60%);
  text-align: center;
}

.detail-hero .work-icon { font-size: 3.5rem; margin-bottom: 20px; }

.detail-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900; margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.detail-hero p {
  font-size: 1.05rem; color: var(--mid);
  max-width: 560px; margin: 0 auto 32px;
}

/* ── FEATURES ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--light);
  border-radius: 12px;
  padding: 24px;
}

.feature-card .fi { font-size: 1.8rem; margin-bottom: 12px; }
.feature-card h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 6px; }
.feature-card p { font-size: 0.85rem; color: var(--mid); }

/* ── STEPS ── */
.steps { display: flex; flex-direction: column; gap: 20px; max-width: 600px; }

.step {
  display: flex; gap: 20px; align-items: flex-start;
  background: var(--white);
  border: 1px solid #E8E5E2;
  border-radius: 12px;
  padding: 20px 24px;
}

.step-num {
  flex-shrink: 0;
  width: 40px; height: 40px;
  background: var(--orange); color: white;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 1rem;
}

.step-body h4 { font-weight: 700; margin-bottom: 4px; }
.step-body p { font-size: 0.88rem; color: var(--mid); }

/* ── PRICE BOX ── */
.price-box {
  background: linear-gradient(135deg, var(--orange), #FB923C);
  color: white;
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
  max-width: 480px;
  margin: 0 auto;
}

.price-box .price-label { font-size: 0.85rem; opacity: 0.85; margin-bottom: 8px; }
.price-box .price-main { font-size: 3rem; font-weight: 900; margin-bottom: 4px; }
.price-box .price-note { font-size: 0.8rem; opacity: 0.8; margin-bottom: 24px; }

.price-box .btn {
  background: white;
  color: var(--orange);
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
.price-box .btn:hover {
  background: #FFF7ED;
  transform: translateY(-2px);
}

/* ── BACK LINK ── */
.back-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.88rem; font-weight: 700; color: var(--mid);
  transition: color 0.2s;
  margin-bottom: 40px;
}
.back-link:hover { color: var(--orange); }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-links { gap: 20px; }
  .nav-links a:nth-child(n+3) { display: none; }

  section { padding: 60px 20px; }
  .hero { padding: 110px 20px 80px; }

  .about-grid { grid-template-columns: 1fr; }
  .about-avatar { width: 140px; height: 140px; font-size: 3.5rem; }

  .detail-hero { padding: 100px 20px 60px; }
}