:root {
  --navy: #14213d;
  --navy-light: #1f3157;
  --orange: #ff6b35;
  --orange-light: #ff8c5c;
  --bg: #ffffff;
  --bg-alt: #f4f5f7;
  --text: #1b1f27;
  --text-muted: #5a6072;
  --border: #e3e5ea;
  --radius: 10px;
  --max-width: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
}

p, h1, h2, h3 {
  overflow-wrap: break-word;
  word-break: break-word;
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(20, 33, 61, 0.96);
  backdrop-filter: blur(6px);
  color: #fff;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #fff;
}

.logo span { color: var(--orange-light); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a {
  color: #dfe3ec;
  font-size: 0.92rem;
  transition: color 0.2s;
}

.site-nav a:hover { color: #fff; }

.nav-cta {
  background: var(--orange);
  color: #fff !important;
  padding: 8px 18px;
  border-radius: 999px;
  font-weight: 600;
}

.nav-cta:hover { background: var(--orange-light); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: #fff;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: #fff;
  padding: 96px 0 80px;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 48px;
  align-items: center;
}

.hero-art {
  display: flex;
  justify-content: center;
}

.hero-art svg {
  width: 100%;
  max-width: 430px;
  height: auto;
}

@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-art { display: none; }
}

.eyebrow {
  display: inline-block;
  color: var(--orange-light);
  font-weight: 600;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.35;
  margin: 0 0 24px;
}

.hero-lead {
  color: #cdd3e0;
  font-size: 1.05rem;
  max-width: 560px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.15s, background 0.2s, box-shadow 0.2s;
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--orange);
  color: #fff;
}

.btn-primary:hover {
  background: var(--orange-light);
  transform: translateY(-2px);
}

.btn-outline {
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}

.btn-outline:hover {
  border-color: #fff;
  transform: translateY(-2px);
}

.btn-block {
  display: block;
  width: 100%;
  text-align: center;
  border: none;
}

.trust-bar {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
}

.trust-bar li {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.25);
  color: #eef0f6;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 999px;
}

/* Sticky CTA */
.sticky-cta {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 200;
  background: var(--orange);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 14px 22px;
  border-radius: 999px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.25);
  transition: background 0.2s, transform 0.15s;
}

.sticky-cta:hover {
  background: var(--orange-light);
  transform: translateY(-2px);
}

@media (max-width: 640px) {
  .sticky-cta {
    left: 20px;
    right: 20px;
    text-align: center;
  }
}

/* FAQ */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 14px;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.98rem;
  list-style: none;
  position: relative;
  padding-right: 28px;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  color: var(--orange);
  font-weight: 800;
  font-size: 1.1rem;
}

.faq-item[open] summary::after { content: "−"; }

.faq-item p {
  margin: 14px 0 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* Sections */
.section {
  padding: 88px 0;
}

.section-alt { background: var(--bg-alt); }

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  text-align: center;
  margin: 0 0 12px;
  position: relative;
}

.section-title::after {
  content: "";
  display: block;
  width: 48px;
  height: 4px;
  background: var(--orange);
  margin: 16px auto 0;
  border-radius: 2px;
}

.section-lead {
  text-align: center;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 48px;
}

/* Grids */
.grid { display: grid; gap: 24px; margin-top: 48px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.card, .item-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.card-icon {
  color: var(--orange);
  font-weight: 800;
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.card h3, .item-card h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
}

.card p, .item-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.item-card-more {
  background: var(--navy);
  border-color: var(--navy);
}

.item-card-more h3, .item-card-more p { color: #fff; }
.item-card-more p { color: #cdd3e0; }

/* Works */
.works-grid { margin-top: 32px; }

.work-item {
  margin: 0;
}

.work-photo {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  display: block;
  border: 1px solid var(--border);
}

.work-item figcaption {
  margin-top: 10px;
  font-size: 0.88rem;
  color: var(--text-muted);
  text-align: center;
}

.work-placeholder {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  background: repeating-linear-gradient(
    45deg,
    var(--bg-alt),
    var(--bg-alt) 10px,
    #e9ebef 10px,
    #e9ebef 20px
  );
  border: 1px dashed #c7cbd6;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  text-align: center;
}

/* Flow */
.flow-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.flow-step {
  text-align: center;
  padding: 0 8px;
}

.flow-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin: 0 auto 16px;
}

.flow-step h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.flow-step p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* Price table */
.price-table-wrap {
  overflow-x: auto;
  max-width: 720px;
  margin: 0 auto 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.price-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-size: 0.95rem;
}

.price-table th,
.price-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.price-table thead th {
  background: var(--navy);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.5;
}

.price-table thead th:first-child { border-radius: 0; }

.price-table tbody tr:last-child td { border-bottom: none; }

.td-sub {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.td-price {
  font-weight: 800;
  color: var(--navy);
  font-size: 1.15rem;
  white-space: nowrap;
}

.td-price span {
  font-size: 0.8rem;
  font-weight: 600;
  margin-left: 2px;
}

.price-note {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  max-width: 640px;
  margin: 0 auto 8px;
}

.price-sub-title {
  text-align: center;
  font-size: 1.15rem;
  margin: 48px 0 0;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }

.discount-grid {
  max-width: 840px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 20px;
}

.discount-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
}

.discount-card h4 {
  margin: 0 0 8px;
  font-size: 1rem;
  color: var(--navy);
}

.discount-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.discount-card p strong { color: var(--orange); }

.discount-amount {
  display: inline-block;
  background: var(--orange);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 999px;
  margin-left: 6px;
  vertical-align: middle;
}

.discount-card-campaign {
  border: 2px solid var(--orange);
}

.price-cta {
  text-align: center;
  margin-top: 32px;
}

/* Price / SNS boxes */
.price-box, .sns-box {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 32px;
}

.price-badge {
  display: inline-block;
  background: var(--orange);
  color: #fff;
  font-weight: 700;
  font-size: 0.8rem;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.price-box .btn { margin-top: 24px; }

/* Contact form */
.contact-form {
  max-width: 560px;
  margin: 0 auto;
}

.form-row {
  margin-bottom: 20px;
}

.form-row label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.required, .optional {
  font-size: 0.72rem;
  font-weight: 600;
  margin-left: 8px;
  padding: 2px 8px;
  border-radius: 4px;
}

.required { background: #ffe4da; color: var(--orange); }
.optional { background: #e9ebef; color: var(--text-muted); }

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  background: #fff;
  color: var(--text);
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--orange);
}

/* Footer */
.site-footer {
  background: var(--navy);
  color: #cdd3e0;
  padding: 28px 0;
  font-size: 0.85rem;
}

.footer-inner {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-insta {
  color: #cdd3e0;
  text-decoration: underline;
}

.footer-insta:hover { color: #fff; }

.insta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
}

/* Responsive */
@media (max-width: 860px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .flow-list { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
}

@media (max-width: 640px) {
  .nav-toggle { display: flex; }

  .site-nav {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px 24px;
    gap: 16px;
    display: none;
  }

  .site-nav.open { display: flex; }

  .nav-cta { width: 100%; text-align: center; }

  .hero { padding: 64px 0 56px; }
  .section { padding: 64px 0; }

  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .flow-list { grid-template-columns: 1fr; }

  .price-table { font-size: 0.85rem; }
  .price-table th, .price-table td { padding: 10px 10px; }
  .td-price { font-size: 1rem; }
}
