/* ==========================
   Reset / Base
========================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue",
               "Segoe UI", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
  color: #222;
}

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

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

img {
  display: block;
  max-width: 100%;
}

/* ==========================
   Header
========================== */
.site-header {
  height: 80px;
  border-bottom: 1px solid #eee;
  background: #f8f5f1;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  max-width: 1440px;
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo img {
  height: 65px;
  width: auto;
}

.global-nav {
  height: 100%;
}

.nav-list {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 24px;
}

.nav-item {
  display: flex;
  align-items: center;
  height: 100%;
}

.nav-item > a {
  font-weight: 500;
  transition: opacity 0.2s;
}

.nav-item > a:hover {
  opacity: 0.6;
}

/* ==========================
   Hamburger
========================== */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #222;
}

/* ==========================
   Hero
========================== */
.hero {
  background: linear-gradient(135deg, #0f0f0f, #1c1c1c);
  background-image: url(img/top_background.png);
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 96px 24px;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 64px;
}

.hero-text {
  flex: 1;
}

.hero-text h1 {
  font-size: 40px;
  line-height: 1.3;
  margin: 0 0 24px;
}

.hero-text p {
  font-size: 16px;
  line-height: 1.8;
  margin: 0 0 24px;
  color: #ddd;
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  border: 1px solid rgba(200, 168, 107, 0.8);
  border-radius: 999px;
  color: #c8a86b !important;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px !important;
}

.hero-note {
  font-size: 12px;
  color: #aaa !important;
  margin: 0 !important;
}

.hero-visual {
  flex: 1;
  perspective: 800px;
}

.hero-visual img {
  width: 100%;
  max-width: 600px;
  transform: perspective(900px) rotateY(-8deg) rotateX(2deg);
  transform-origin: center center;
  border: 1.5px solid rgba(200, 168, 107, 0.7);
  border-radius: 8px;
  box-shadow:
    0 0 24px rgba(200, 168, 107, 0.2),
    -16px 16px 48px rgba(0, 0, 0, 0.7);
}

/* ==========================
   Problem / Solution
========================== */
.problem-solution {
  padding: 80px 24px;
  background: #fafafa;
}

.ps-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.ps-card {
  background: #fff;
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.ps-card h3 {
  font-size: 20px;
  margin: 0 0 24px;
}

.ps-card ul li {
  margin-bottom: 12px;
  padding-left: 20px;
  position: relative;
}

.ps-card ul li::before {
  content: "・";
  position: absolute;
  left: 0;
}

.ps-card.highlight {
  background: #111;
  color: #fff;
}

.ps-card.highlight ul li::before {
  color: #aaa;
}

/* ==========================
   Features
========================== */
.features {
  padding: 96px 24px;
}

.features-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 28px;
  text-align: center;
  margin: 0 0 64px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 24px;
}

.feature-card {
  padding: 32px;
  border: 1px solid #eee;
  border-radius: 8px;
}

.feature-card h3 {
  font-size: 16px;
  margin: 0 0 10px;
}

.feature-card p {
  font-size: 14px;
  color: #555;
  line-height: 1.7;
  margin: 0;
}

/* ==========================
   Audience
========================== */
.audience {
  padding: 80px 24px;
  background: #f7f7f7;
}

.audience-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.audience-card {
  padding: 48px;
  border-radius: 8px;
  background: #fff;
}

.audience-card h3 {
  font-size: 22px;
  margin: 0 0 16px;
}

.audience-card p {
  font-size: 15px;
  color: #555;
  line-height: 1.8;
  margin: 0;
}

.audience-card.dark {
  background: #111;
  color: #fff;
}

.audience-card.dark p {
  color: #bbb;
}

/* ==========================
   Flow
========================== */
.flow {
  padding: 80px 24px;
}

.flow-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.flow-list {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.flow-list li {
  flex: 1;
  text-align: center;
}

.flow-list img {
  max-height: 70px;
  margin: 0 auto 12px;
}

.step {
  display: block;
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 12px;
  color: #111;
}

.flow-list p {
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
  color: #444;
}

.flow-list small {
  font-size: 12px;
  color: #888;
}

/* ==========================
   Plan Section
========================== */
.plan-section {
  padding: 96px 24px;
  background: #fafafa;
}

.plan-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.plan-lead {
  text-align: center;
  color: #555;
  margin: -40px 0 56px;
  font-size: 15px;
}

.price-plan-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}

.price-plan-card {
  border: 1px solid #e5e5e5;
  border-radius: 8px;
  padding: 32px 24px;
  background: #fff;
  position: relative;
}

.price-plan-card.is-recommended {
  border: 2px solid #111;
}

.price-badge {
  position: absolute;
  top: -12px;
  left: 16px;
  background: #111;
  color: #fff;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 999px;
}

.price-plan-name {
  font-size: 18px;
  margin: 0 0 8px;
}

.price-plan-price {
  font-size: 28px;
  font-weight: bold;
  margin: 0 0 16px;
}

.price-plan-price span {
  font-size: 14px;
  color: #666;
  font-weight: normal;
}

.price-plan-features {
  list-style: none;
  padding: 0;
  margin: 0;
}

.price-plan-features li {
  font-size: 14px;
  margin-bottom: 8px;
  padding-left: 16px;
  position: relative;
  color: #444;
}

.price-plan-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #111;
  font-size: 12px;
}

/* ==========================
   Plan Compare Table
========================== */
.plan-compare {
  margin-bottom: 64px;
}

.plan-compare h3 {
  font-size: 22px;
  margin: 0 0 24px;
  text-align: center;
}

.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
  background: #fff;
}

th,
td {
  padding: 14px 16px;
  text-align: center;
  border-bottom: 1px solid #e5e5e5;
  font-size: 14px;
}

thead th {
  background: #111;
  color: #fff;
  font-weight: 600;
}

tbody th {
  text-align: left;
  background: #f8f8f8;
  font-weight: 500;
}

.col-highlight {
  background: rgba(200, 168, 107, 0.28);
  font-weight: bold;
  color: #111;
}

thead th.col-highlight {
  background: rgba(200, 168, 107, 0.55);
  color: #111;
}

/* ==========================
   FAQ
========================== */
.faq {
  max-width: 800px;
  margin: 0 auto;
}

.faq h3 {
  font-size: 22px;
  margin: 0 0 24px;
  text-align: center;
}

.faq-item {
  border-bottom: 1px solid #e5e5e5;
}

.faq-question {
  width: 100%;
  padding: 20px 40px 20px 0;
  background: none;
  border: none;
  color: #222;
  text-align: left;
  font-size: 15px;
  cursor: pointer;
  position: relative;
  font-family: inherit;
}

.faq-question::after {
  content: "+";
  position: absolute;
  right: 4px;
  font-size: 20px;
  line-height: 1;
  color: #555;
}

.faq-item.active .faq-question::after {
  content: "−";
}

.faq-answer {
  display: none;
  padding: 0 0 20px;
  color: #555;
  line-height: 1.7;
  font-size: 14px;
}

.faq-item.active .faq-answer {
  display: block;
}

/* ==========================
   Company
========================== */
.company-section {
  padding: 96px 24px;
}

.company-inner {
  max-width: 900px;
  margin: 0 auto;
}

.company-table-wrap {
  overflow-x: auto;
}

.company-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  min-width: 480px;
}

.company-table th,
.company-table td {
  padding: 20px;
  border-bottom: 1px solid #e5e5e5;
  vertical-align: top;
  font-size: 14px;
  text-align: left;
}

.company-table th {
  width: 200px;
  background: #f8f8f8;
  font-weight: 600;
}

.company-table td {
  color: #333;
  line-height: 1.7;
}

/* ==========================
   Contact
========================== */
.contact-section {
  padding: 96px 24px;
  background: url('img/IMG_9020.JPG') center/cover no-repeat;
  color: #111;
  text-align: center;
}

.contact-inner {
  max-width: 600px;
  margin: 0 auto;
}

.contact-section .section-title {
  color: #111;
}

.contact-lead {
  font-size: 15px;
  color: #333;
  margin: 0 0 32px;
}

.contact-btn {
  display: inline-block;
  padding: 16px 40px;
  border: 1px solid #111;
  border-radius: 4px;
  color: #111;
  font-size: 16px;
  font-weight: 600;
  transition: background 0.2s, color 0.2s;
}

.contact-btn:hover {
  background: #111;
  color: #fff;
}

.contact-note {
  margin: 24px 0 0;
  font-size: 12px;
  color: #444;
}

/* ==========================
   Footer
========================== */
.site-footer {
  padding: 48px 24px;
  background: #f8f5f1;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  line-height: 1.8;
}

.footer-logo {
  font-weight: bold;
  font-size: 16px;
  margin: 0 0 4px;
}

.footer-brand p {
  margin: 0;
  font-size: 13px;
  color: #666;
}

.footer-nav ul {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-nav a {
  font-size: 13px;
  color: #555;
  transition: opacity 0.2s;
}

.footer-nav a:hover {
  opacity: 0.6;
}

/* ==========================
   Responsive
========================== */
@media (max-width: 768px) {

  .contact-section {
    background-position: right center;
  }


  .global-nav {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: #f8f5f1;
    padding: 24px;
    border-bottom: 1px solid #eee;
    z-index: 999;
  }

  .global-nav.is-open {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    height: auto;
    gap: 16px;
  }

  .hamburger {
    display: flex;
  }

  /* Hero */
  .hero {
    padding: 64px 24px;
  }

  .hero-inner {
    flex-direction: column;
    gap: 40px;
  }

  .hero-text h1 {
    font-size: 28px;
  }

  .hero-visual img {
    transform: none;
    max-width: 100%;
  }

  /* Problem/Solution */
  .ps-inner {
    grid-template-columns: 1fr;
  }

  .ps-card {
    padding: 32px;
  }

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

  /* Audience */
  .audience-inner {
    grid-template-columns: 1fr;
  }

  .audience-card {
    padding: 32px;
  }

  /* Flow */
  .flow-list {
    flex-direction: column;
    gap: 32px;
  }

  .flow-list li {
    display: flex;
    align-items: center;
    text-align: left;
    gap: 16px;
  }

  .flow-list img {
    max-height: 48px;
    margin: 0;
    flex-shrink: 0;
  }

  .step {
    margin-bottom: 4px;
  }

  /* Plan */
  .price-plan-list {
    grid-template-columns: 1fr;
  }

  /* Company table */
  .company-table th,
  .company-table td {
    display: block;
    width: 100%;
  }

  .company-table th {
    background: none;
    border-bottom: none;
    padding-bottom: 4px;
    color: #777;
    font-size: 12px;
  }

  .company-table td {
    padding-top: 0;
    padding-bottom: 20px;
  }

  /* Footer */
  .footer-inner {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }

  .footer-nav ul {
    justify-content: center;
  }

}

@media (max-width: 480px) {

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: 22px;
    margin-bottom: 40px;
  }

}