@charset "UTF-8";
/* ========================================================
   Assets/css/top.css
   神田梶山貸し会議室 TOPページ専用 高級感・ビジネス向けUI (LP仕様)
   ======================================================== */

:root {
  /* Colors */
  --color-bg-base: #FFFFFF;
  --color-bg-sec: #FAFAFA;
  --color-text-main: #1A1A1A;
  --color-text-light: #555555;
  --color-primary-dark: #0A192F; 
  --color-accent-gold: #B89B58;  
  --color-border: #E5E5E5;
  
  /* Typos */
  --font-family-base: "Helvetica Neue", "Arial", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
  --font-family-serif: "Shippori Mincho", "YuMincho", "Hiragino Mincho ProN", serif;
  
  /* Spacings */
  --section-padding: 100px 20px;
}

/* =========================================
   Base & Reset
   ========================================= */
.kanda-top-wrapper {
  font-family: var(--font-family-base);
  color: var(--color-text-main);
  background-color: var(--color-bg-base);
  line-height: 1.8;
  letter-spacing: 0.05em;
  overflow-x: hidden;
}

.kanda-top-wrapper img {
  max-width: 100%;
  height: auto;
  display: block;
}

.kanda-top-wrapper section {
  padding: var(--section-padding);
}

.kanda-top-wrapper .section-title {
  text-align: center;
  font-size: 32px;
  font-family: var(--font-family-serif);
  font-weight: normal;
  color: var(--color-text-main);
  margin-bottom: 60px;
  position: relative;
  letter-spacing: 0.1em;
}

.kanda-top-wrapper .section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background-color: var(--color-accent-gold);
  margin: 24px auto 0;
}

.kanda-top-wrapper .section-title-en {
  display: block;
  font-size: 12px;
  color: var(--color-accent-gold);
  font-family: var(--font-family-base);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 8px;
  text-align: center;
}

/* =========================================
   Hero Section (FV)
   ========================================= */
.top-hero {
  position: relative;
  background-color: var(--color-bg-base);
  padding: 120px 20px 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.top-hero__badge {
  display: inline-block;
  border: 1px solid var(--color-accent-gold);
  color: var(--color-accent-gold);
  padding: 8px 24px;
  font-size: 13px;
  letter-spacing: 0.1em;
  margin-bottom: 32px;
  background: transparent;
}

.top-hero__title {
  font-size: 38px;
  font-family: var(--font-family-serif);
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 32px;
  color: var(--color-text-main);
}

.top-hero__lead {
  font-size: 16px;
  color: var(--color-text-light);
  margin-bottom: 50px;
  font-weight: 300;
}

.top-hero__image-wrapper {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.top-hero__image-wrapper::after {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  width: 100%;
  height: 100%;
  border: 1px solid var(--color-border);
  z-index: -1;
}

.top-hero__image-wrapper img {
  width: 100%;
  box-shadow: 0 20px 40px rgba(0,0,0,0.06);
}

/* CTA Buttons - Premium */
.cv-action {
  text-align: center;
  margin-top: 50px;
}

.cv-button {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: var(--color-text-main);
  color: #FFFFFF !important;
  text-decoration: none;
  font-size: 18px;
  padding: 20px 60px;
  transition: all 0.4s ease;
  border: 1px solid var(--color-text-main);
  position: relative;
  overflow: hidden;
}

.cv-button small {
  font-size: 12px;
  font-weight: normal;
  margin-bottom: 8px;
  color: var(--color-accent-gold);
  letter-spacing: 0.1em;
}

.cv-button:hover {
  background-color: #FFFFFF;
  color: var(--color-text-main) !important;
}

/* =========================================
   Empathy (共感・お悩み)
   ========================================= */
.top-empathy {
  background: var(--color-bg-sec);
  text-align: center;
}

.empathy-inner {
  max-width: 800px;
  margin: 0 auto;
}

.empathy-title {
  font-size: 26px;
  color: var(--color-text-main);
  margin-bottom: 40px;
  font-weight: 500;
}

.empathy-title span {
  color: var(--color-primary-dark);
  font-weight: bold;
  border-bottom: 2px solid var(--color-accent-gold);
}

.empathy-list {
  list-style: none;
  padding: 0;
  margin: 0 auto 40px;
  text-align: left;
}

.empathy-list li {
  background: var(--color-bg-base);
  border: 1px solid var(--color-border);
  margin-bottom: 16px;
  padding: 20px 30px;
  font-size: 15px;
  color: var(--color-text-light);
  position: relative;
  padding-left: 50px;
}

.empathy-list li::before {
  content: '✓';
  position: absolute;
  left: 20px;
  color: var(--color-accent-gold);
  font-weight: bold;
  font-size: 18px;
}

.empathy-arrow {
  font-size: 24px;
  color: var(--color-accent-gold);
  margin-bottom: 20px;
}

.empathy-solution-text {
  font-size: 22px;
  color: var(--color-text-main);
  font-weight: 500;
}

.empathy-solution-text strong {
  font-size: 28px;
  color: var(--color-primary-dark);
  border-bottom: 1px solid var(--color-accent-gold);
}

/* =========================================
   Features (選ばれる理由)
   ========================================= */
.top-features {
  background: var(--color-bg-base);
}

.feature-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  max-width: 1000px;
  margin: 0 auto;
}

.feature-card {
  background: var(--color-bg-base);
  padding: 50px 40px;
  text-align: center;
  border: 1px solid var(--color-border);
  position: relative;
  transition: all 0.5s ease;
}

.feature-card:hover {
  border-color: var(--color-accent-gold);
}

.feature-card__num {
  font-family: var(--font-family-serif);
  font-size: 48px;
  color: var(--color-border);
  position: absolute;
  top: 20px;
  left: 20px;
  line-height: 1;
  transition: color 0.5s;
}

.feature-card:hover .feature-card__num {
  color: rgba(184, 155, 88, 0.2);
}

.feature-card h3 {
  font-size: 18px;
  color: var(--color-text-main);
  margin-bottom: 20px;
  margin-top: 10px;
  position: relative;
  z-index: 2;
}

.feature-card p {
  color: var(--color-text-light);
  font-size: 14px;
  text-align: justify;
  position: relative;
  z-index: 2;
}

/* =========================================
   Use Cases (ご利用用途)
   ========================================= */
.top-usecases {
  background: var(--color-bg-sec);
}

.usecase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  max-width: 1000px;
  margin: 0 auto;
}

.usecase-item {
  background: var(--color-bg-base);
  padding: 50px 20px;
  text-align: center;
}

.usecase-item img {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  opacity: 0.8;
  filter: grayscale(100%);
  transition: filter 0.4s;
}

.usecase-item:hover img {
  filter: grayscale(0%);
}

.usecase-item h3 {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text-main);
  margin-bottom: 12px;
}

.usecase-desc {
  font-size: 13px;
  color: var(--color-text-light);
}

.keyword-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  max-width: 800px;
  margin: 50px auto 0;
}

.keyword-tag {
  color: var(--color-text-light);
  font-size: 13px;
  position: relative;
  padding: 0 8px;
}

.keyword-tag:not(:last-child)::after {
  content: '/';
  position: absolute;
  right: -8px;
  color: var(--color-border);
}

/* =========================================
   Comparison (料金・他社比較)
   ========================================= */
.top-comparison {
  background: var(--color-bg-base);
}

.comparison-lead {
  text-align: center;
  margin-bottom: 40px;
  color: var(--color-text-light);
}

.comparison-table-wrap {
  max-width: 800px;
  margin: 0 auto;
  overflow-x: auto;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: center;
}

.comparison-table th, .comparison-table td {
  padding: 20px;
  border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
  background: var(--color-bg-sec);
  font-weight: 500;
  color: var(--color-text-main);
}

.comparison-table .is-highlight {
  background: rgba(184, 155, 88, 0.05); /* 薄いゴールド */
  font-weight: bold;
  color: var(--color-primary-dark);
  border-right: 1px solid var(--color-accent-gold);
  border-left: 1px solid var(--color-accent-gold);
}

.comparison-table thead .is-highlight {
  background: var(--color-accent-gold);
  color: #FFF;
  border-top: 1px solid var(--color-accent-gold);
}

/* =========================================
   About / Spec (設備詳細)
   ========================================= */
.top-about {
  background: var(--color-bg-sec);
}

.spec-list {
  max-width: 800px;
  margin: 0 auto;
  border-collapse: collapse;
  width: 100%;
  background: var(--color-bg-base);
  border: 1px solid var(--color-border);
}

.spec-list th, .spec-list td {
  padding: 24px 30px;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
}

.spec-list th {
  color: var(--color-text-main);
  font-family: var(--font-family-serif);
  width: 30%;
  text-align: left;
  border-right: 1px solid var(--color-border);
}

/* =========================================
   Reviews (利用者の声)
   ========================================= */
.top-reviews {
  background: var(--color-bg-base);
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1000px;
  margin: 0 auto;
}

.review-card {
  padding: 40px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-sec);
}

.review-card__text {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 30px;
  font-style: normal;
}

.review-card__author {
  font-size: 13px;
  color: var(--color-text-main);
  text-align: right;
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}

/* =========================================
   FAQ (よくある質問)
   ========================================= */
.top-faq {
  background: var(--color-bg-sec);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-bg-base);
  border: 1px solid var(--color-border);
  margin-bottom: 16px;
  cursor: pointer;
}

.faq-item summary {
  padding: 20px;
  font-weight: 500;
  display: flex;
  align-items: center;
  position: relative;
  list-style: none; /* Hide default arrow */
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 20px;
  font-size: 20px;
  color: var(--color-accent-gold);
}
.faq-item[open] summary::after {
  content: '-';
}

.faq-item p {
  padding: 0 20px 20px;
  color: var(--color-text-light);
  font-size: 14px;
}

/* =========================================
   Access
   ========================================= */
.top-access {
  background: var(--color-bg-base);
  padding-bottom: 120px;
}

.access-container {
  max-width: 800px;
  margin: 0 auto;
}

.access-address {
  font-size: 16px;
  text-align: center;
  margin-bottom: 30px;
  line-height: 2;
  letter-spacing: 0.1em;
}

.access-map {
  width: 100%;
  border: 1px solid var(--color-border);
  background: var(--color-bg-sec);
  padding: 10px;
}

.final-cv {
  text-align: center;
}
.final-cv-title {
  font-size: 24px;
  font-family: var(--font-family-serif);
  margin-bottom: 30px;
  color: var(--color-primary-dark);
}

/* =========================================
   Flow (ご利用の流れ)
   ========================================= */
.top-flow {
  background: var(--color-bg-base);
}

.flow-steps {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.flow-step {
  background: var(--color-bg-sec);
  border: 1px solid var(--color-border);
  padding: 30px 40px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.flow-step__num {
  font-family: var(--font-family-base);
  font-size: 14px;
  font-weight: bold;
  color: var(--color-accent-gold);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.flow-step__title {
  font-size: 18px;
  color: var(--color-text-main);
  margin-bottom: 12px;
}

.flow-step__desc {
  font-size: 14px;
  color: var(--color-text-light);
}

/* =========================================
   Message (運営者からのメッセージ)
   ========================================= */
.top-message {
  background: var(--color-bg-sec);
  text-align: center;
}

.message-inner {
  max-width: 800px;
  margin: 0 auto;
  background: var(--color-bg-base);
  border: 1px solid var(--color-border);
  padding: 60px 40px;
}

.message-title {
  font-size: 24px;
  color: var(--color-text-main);
  margin-bottom: 30px;
  font-weight: 500;
  line-height: 1.6;
}

.message-text {
  font-size: 15px;
  color: var(--color-text-light);
  text-align: justify;
  margin: 0 auto;
  line-height: 2;
}

/* =========================================
   Animations (Scroll Reveal)
   ========================================= */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1.2s cubic-bezier(0.23, 1, 0.32, 1), transform 1.2s cubic-bezier(0.23, 1, 0.32, 1);
}

.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================
   Utility Classes (Line Break Control)
   ========================================= */
.ib {
  display: inline-block;
}
.pc-br {
  display: block;
}
.sp-br {
  display: none;
}

/* Responsive */
@media (max-width: 768px) {
  .pc-br {
    display: none;
  }
  .sp-br {
    display: block;
  }

  .top-hero {
    padding: 80px 20px 60px;
  }
  .top-hero__title {
    font-size: 26px;
    line-height: 1.5;
  }
  .empathy-solution-text strong {
    font-size: 24px;
    display: inline-block;
  }
  .spec-list th, .spec-list td,
  .comparison-table th, .comparison-table td {
    font-size: 13px;
    padding: 12px;
  }
  .spec-list th {
    display: block;
    width: 100%;
    border-right: none;
    border-bottom: none;
    padding-bottom: 5px;
  }
}