@charset "UTF-8";

/* ==========================================
   RESET & BASE STYLES (Zen Maru Gothic統一)
========================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Zen Maru Gothic', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #2c2a29;
  background-color: #f4f8fc;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ==========================================
   LAYOUT STRUCTURE
   PC: 全体1枚固定背景 ＋ 左右固定パネル ＋ 中央スクロールコンテンツ
========================================== */
.page-wrapper {
  position: relative;
  width: 100%;
  min-height: 100vh;
}

/* 画面全体の1枚固定背景写真 (PC版で左右から透けて見える) */
.full-bg-image {
  display: none;
}

/* 左ナビゲーション（PC固定） */
.side-nav {
  display: none;
}

/* 右コピー（PC固定） */
.side-visual {
  display: none;
}

/* 中央コンテンツ（幅狭・スクロール領域） */
.center-container {
  width: 100%;
  max-width: 580px;
  margin: 0 auto;
  background-color: #ffffff;
  min-height: 100vh;
  box-shadow: 0 0 50px rgba(0, 0, 0, 0.12);
  position: relative;
  z-index: 10;
}

@media (min-width: 1024px) {
  /* PC用：1枚物のフルスクリーン固定背景写真 */
  .full-bg-image {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    /* 全体背景写真（後から差し替え可能） */
    background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.7) 0%, rgba(255, 255, 255, 0.7) 100%), url('img/img.jpg');
  }

  /* 左パネル：固定ナビゲーション */
  .side-nav {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: calc((100vw - 580px) / 2);
    padding: 48px 40px;
    z-index: 5;
    border-right: 1px solid rgba(205, 220, 237, 0.7);
  }

  .nav-brand-title {
    font-size: 1.25rem;
    font-weight: 900;
    letter-spacing: 0.05em;
    color: #2867a8;
    line-height: 1.4;
  }

  .nav-menu {
    list-style: none;
    margin: 32px 0;
  }

  .nav-menu li {
    margin-bottom: 16px;
  }

  .nav-menu a {
    font-size: 0.9rem;
    font-weight: 700;
    color: #34465a;
    letter-spacing: 0.05em;
    transition: color 0.2s, padding-left 0.2s;
    display: inline-block;
  }

  .nav-menu a:hover {
    color: #3478c8;
    padding-left: 6px;
  }

  .nav-cta-btn {
    display: inline-block;
    background: #3478c8;
    color: #fff;
    font-weight: 700;
    font-size: 0.88rem;
    padding: 14px 24px;
    border-radius: 50px;
    text-align: center;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 14px rgba(52, 120, 200, 0.28);
    transition: background 0.2s;
  }

  .nav-cta-btn:hover {
    background: #245fa8;
  }

  /* 右パネル：1枚もの背景写真の上に縦書きコピーを表示 */
  .side-visual {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: calc((100vw - 580px) / 2);
    z-index: 5;
    padding: 40px;
  }

  .side-visual-copy {
    writing-mode: vertical-rl;
    font-size: 1.3rem;
    font-weight: 900;
    color: #2867a8;
    letter-spacing: 0.2em;
    line-height: 2;
    text-shadow: 0 2px 12px rgba(255, 255, 255, 0.5);
  }
}

/* ==========================================
   HERO (FV)
========================================== */
.hero {
  background: linear-gradient(180deg, #f4f8fd 0%, #eaf3fc 100%);
  padding: 48px 24px 40px;
  text-align: center;
  position: relative;
  border-bottom: 1px solid #dce8f4;
}

.hero-tag {
  display: inline-block;
  background-color: #e2effb;
  color: #245b98;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 6px 18px;
  border-radius: 30px;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 1.85rem;
  font-weight: 900;
  color: #245b98;
  line-height: 1.35;
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}

.hero-title .sub {
  display: block;
  font-size: 1.15rem;
  font-weight: 700;
  color: #34465a;
  margin-top: 10px;
  letter-spacing: 0.04em;
}

.hero-date-card {
  background-color: #ffffff;
  border: 2px solid #b9d4f0;
  border-radius: 20px;
  padding: 18px 20px;
  margin: 20px 0 28px;
  box-shadow: 0 6px 20px rgba(52, 120, 200, 0.07);
}

.hero-date {
  font-size: 1.35rem;
  font-weight: 900;
  color: #3478c8;
  letter-spacing: 0.03em;
}

.hero-place {
  font-size: 1rem;
  font-weight: 700;
  color: #5c6d80;
  margin-top: 4px;
}

.hero-main-catch {
  font-size: 1.55rem;
  font-weight: 900;
  color: #285d91;
  position: relative;
  display: inline-block;
  padding: 0 8px;
  letter-spacing: 0.05em;
}

.hero-main-catch::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 100%;
  height: 8px;
  background-color: rgba(193, 218, 244, 0.55);
  z-index: -1;
}

.hero-img-wrap {
  margin-top: 32px;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.07);
}

/* ==========================================
   SECTIONS & CARDS
========================================== */
.section {
  padding: 48px 24px;
}

.section-title {
  text-align: center;
  font-size: 1.35rem;
  font-weight: 900;
  color: #245b98;
  letter-spacing: 0.06em;
  margin-bottom: 32px;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 36px;
  height: 3px;
  background-color: #b9d4f0;
  border-radius: 2px;
  margin: 10px auto 0;
}

.concept-box {
  background-color: #f0f6fc;
  border-radius: 20px;
  padding: 28px 24px;
  border: 1px solid #d1e2f4;
  text-align: center;
}

.concept-text {
  font-size: 0.95rem;
  color: #285d91;
  font-weight: 700;
  line-height: 1.9;
}

/* Support Cards */
.support-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 24px;
}

.support-card {
  background: #ffffff;
  border-radius: 18px;
  padding: 20px 16px;
  border: 1px solid #e3edf8;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
  text-align: center;
}

.support-label {
  font-size: 0.72rem;
  font-weight: 900;
  color: #3478c8;
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 6px;
}

.support-title {
  font-size: 1rem;
  font-weight: 700;
  color: #2c2a29;
  margin-bottom: 8px;
}

.support-desc {
  font-size: 0.78rem;
  color: #66788b;
  line-height: 1.6;
  font-weight: 500;
}

/* Feature List */
.feature-card {
  background-color: #fafdff;
  border: 1px solid #dce8f4;
  border-radius: 18px;
  padding: 22px;
  margin-bottom: 16px;
}

.feature-num {
  font-size: 0.75rem;
  font-weight: 900;
  color: #3478c8;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.feature-head {
  font-size: 1.05rem;
  font-weight: 700;
  color: #2c2a29;
  margin-bottom: 8px;
}

.feature-body {
  font-size: 0.88rem;
  color: #5c6d80;
  line-height: 1.7;
  font-weight: 500;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 20px;
  border-left: 2px solid #b9d4f0;
  margin: 16px 8px;
}

.timeline-item {
  position: relative;
  margin-bottom: 24px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -26px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #3478c8;
}

.timeline-time {
  font-weight: 900;
  color: #3478c8;
  font-size: 0.88rem;
}

.timeline-text {
  font-size: 0.92rem;
  font-weight: 700;
  color: #2c2a29;
}

/* Guidelines Table */
.table-spec {
  width: 100%;
  font-size: 0.88rem;
  border-collapse: collapse;
}

.table-spec th {
  padding: 14px 0;
  text-align: left;
  color: #285d91;
  width: 30%;
  border-bottom: 1px dashed #d1e2f4;
  font-weight: 700;
}

.table-spec td {
  padding: 14px 0;
  border-bottom: 1px dashed #d1e2f4;
  color: #34465a;
  font-weight: 500;
}

/* Form */
.form-wrap {
  background-color: #f4f8fc;
  border-top: 1px solid #e3edf8;
}

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

.form-label {
  display: block;
  font-weight: 700;
  font-size: 0.88rem;
  color: #245b98;
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid #d7e3f0;
  border-radius: 12px;
  font-family: inherit;
  font-size: 0.92rem;
  background-color: #ffffff;
  color: #2c2a29;
  transition: border-color 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: #3478c8;
}

.btn-submit {
  width: 100%;
  background: #3478c8;
  color: #ffffff;
  font-weight: 700;
  font-size: 1.05rem;
  padding: 16px;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(52, 120, 200, 0.20);
  transition: background 0.2s;
  letter-spacing: 0.05em;
}

.btn-submit:hover {
  background: #245fa8;
}

/* Floating Bottom CTA for Mobile */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 580px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  padding: 12px 20px;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.06);
  z-index: 99;
  border-top: 1px solid #dce8f4;
}

.sticky-cta-btn {
  display: block;
  background: #3478c8;
  color: #ffffff;
  font-weight: 700;
  font-size: 0.98rem;
  text-align: center;
  padding: 14px;
  border-radius: 50px;
  letter-spacing: 0.05em;
}

footer {
  background-color: #2c2a29;
  color: #9aabc0;
  text-align: center;
  padding: 32px 24px 88px;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  font-weight: 500;
}