/* --------------------
   Reset & Base
-------------------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: #333;
}

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

ul {
  list-style: none;
}

/* --------------------
   Header
-------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 70px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(3px);
  border-bottom: 1px solid #eee;
  z-index: 1000;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo img {
  height: 40px;
}

/* Navigation */
.global-nav > ul {
  display: flex;
  gap: 24px;
}

.global-nav li {
  position: relative;
}

.global-nav a {
  font-size: 14px;
  padding: 8px 0;
  display: block;
}

/* Sub menu */
.sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: #fff;
  border: 1px solid #eee;
  min-width: 220px;
}

.sub-menu li a {
  padding: 10px 16px;
  font-size: 13px;
  white-space: nowrap;
}

.has-sub:hover .sub-menu {
  display: block;
}

/* --------------------
   Main
-------------------- */
.main {
  padding-top: 70px; /* fixed header offset */
}

.hero {
  position: relative;
  padding: 100px 20px;
  text-align: center;
  color: #fff;

  background-image: url("../images/hero.jpg");
  background-size: cover;
  background-position: center;
}

.hero h2 {
  position: relative;
  font-size: 32px;
  margin-bottom: 12px;
}

.hero p {
  position: relative;
  font-size: 16px;
  color: #666;
}

.hero-title {
  white-space: nowrap;
  font-size: clamp(20px, 5vw, 36px);
}

/* Content common */
.content {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
}

.content h3 {
  font-size: 22px;
  margin-bottom: 20px;
  margin-top: 60px;
  font-weight: 600;
}

.content h3:first-child {
  margin-top: 0;
}

.content p {
  font-size: 15px;
  margin-bottom: 20px;
}

/* ==========================
   Concept
========================== */
.concept-list {
  margin: 40px 0;
}

.concept-list li {
  padding: 18px 24px;
  border: 1px solid #eee;
  margin-bottom: 16px;
  border-radius: 6px;
  background: #fafafa;
}

/* Note */
.note {
  font-size: 13px;
  color: #777;
  margin-top: 20px;
}

/* ==========================
   About / Company
========================== */
.company-info {
  margin-top: 30px;
}

.company-info dt {
  font-weight: 600;
  margin-top: 18px;
}

.company-info dd {
  margin-left: 0;
  margin-top: 6px;
  font-size: 14px;
  color: #555;
}

/* ==========================
   Price
========================== */
.price-table {
  width: 100%;
  border-collapse: collapse;
  margin: 30px 0 60px;
}

.price-table th,
.price-table td {
  border: 1px solid #eee;
  padding: 16px;
  font-size: 14px;
  text-align: left;
}

.price-table th {
  background: #f9f9f9;
  width: 40%;
  font-weight: 600;
}

.price-table tr:nth-child(even) td {
  background: #fcfcfc;
}

/* --------------------
   Footer
-------------------- */
.footer {
  background: #222;
  color: #fff;
  padding: 40px 20px;
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-bottom: 20px;
}

.footer-nav a {
  font-size: 14px;
  color: #ccc;
}

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

.copyright {
  text-align: center;
  font-size: 13px;
  color: #999;
}


/* ==========================
   Home Hero
========================== */
.home-hero {
  height: 700px;
  max-height: calc(100vh - 90px);
  background-image: url("../images/home-hero_6.jpg");
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 画像を少し落ち着かせるオーバーレイ */
.home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.15);
}

.home-hero-inner {
  position: relative;
  text-align: center;
  color: #fff;
  padding: 0 20px;
}

.home-hero h2 {
  font-weight: 600;
  margin-bottom: 12px;
  white-space: nowrap;
  font-size: clamp(30px, 5vw, 42px);
}

.home-hero p {
  font-size: 16px;
  letter-spacing: 0.05em;
}


/* ==========================
   Home Concept
========================== */
.home-concept {
  background: #fff;
}

.home-concept-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 90px 20px;
  text-align: center;
}

.home-concept h3 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 24px;
}

.concept-lead {
  font-size: 18px;
  margin-bottom: 40px;
  color: #444;
}

.concept-points {
  display: grid;
  gap: 20px;
  margin-bottom: 40px;
}

.concept-points li {
  padding: 20px;
  border: 1px solid #eee;
  border-radius: 6px;
  background: #fafafa;
  font-size: 15px;
}

.concept-link a {
  font-size: 14px;
  color: #333;
  border-bottom: 1px solid #ccc;
  padding-bottom: 4px;
}

.concept-link a:hover {
  opacity: 0.6;
}

/* Responsive */
@media (max-width: 768px) {
  .home-concept-inner {
    padding: 70px 16px;
  }

  .concept-lead {
    font-size: 16px;
  }
}



/* ==========================
   Waving title
========================== */

.plan-title {
  display: inline-block;
  overflow: hidden;
}

/* 1文字 */
.plan-title span {
  display: inline-block;
  transform: translateY(1em);
  opacity: 0;
  transition:
    transform 0.6s ease,
    opacity 0.6s ease;
}

/* 表示トリガー */
.plan-title.is-active span {
  transform: translateY(0);
  opacity: 1;
}



/* ==========================
   Form
========================== */
.form-container {
  max-width: 100%;
  margin: 0 auto;
  background: #fff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.form-group {
  margin-bottom: 15px;
}

label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
}

input, textarea, select {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 14px;
}

textarea {
  resize: vertical;
  min-height: 120px;
}

.submit-btn {
  text-align: center;
  margin-top: 20px;
}

button {
  background: #333;
  color: #fff;
  padding: 12px 30px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 16px;
}

button:hover {
  background: #555;
}

.required {
  color: red;
  font-size: 12px;
  margin-left: 5px;
}



/* ==========================
   Hamburger menu
========================== */

.hamburger {
  width: 30px;
  height: 22px;
  position: relative;
  border: none;
  background: none;
  cursor: pointer;
  display: none;
  padding: 0;
}

.hamburger span {
  position: absolute;
  width: 100%;
  height: 2px;
  background: #333;
  left: 0;
  transition: 0.3s;
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 10px; }
.hamburger span:nth-child(3) { bottom: 0; }


/* ==========================
   Responsive design
========================== */

@media (max-width: 768px) {

  /* ハンバーガー表示 */
  .hamburger {
    display: block;
  }

  /* ナビを隠す */
  .global-nav {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    background: #fff;
    transform: translateX(100%);
    transition: 0.3s;
  }

  .global-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .global-nav li {
    border-bottom: 1px solid #eee;
  }

  .global-nav a {
    padding: 16px;
  }

  /* 開いた状態 */
  .global-nav.is-open {
    transform: translateX(0);
  }
}



/* ==========================
   Campaign
========================== */

.campaign-box {
  border: 1px solid #777;
  border-radius: 20px; /* ←大きく */
  padding: 20px;
  text-align: center;
  background: #fff; /* ←グレー削除 */
}

/* 見出し */
.campaign-title {
  font-size: 18px;
  font-weight: 600;
  color: #777;
  margin-bottom: 20px;
  border-bottom: 1px solid #999;
}

/* プラン＋価格をまとめて目立たせる */
.campaign-main {
  font-size: 26px; /* ←大きく */
  font-weight: bold;
  margin-bottom: 16px;
}

/* 旧価格 */
.old-price {
  text-decoration: line-through;
  color: #000;
  font-size: 18px;
  margin: 0 8px;
}

/* 新価格（主役） */
.new-price {
  color: #000;
  font-size: 22px; /* ←さらに強調 */
  font-weight: bold;
}

/* 説明 */
.campaign-desc {
  font-size: 14px;
  color: #555;
  margin-bottom: 24px;
}

/* ボタン */
.campaign-button {
  display: inline-block;
  padding: 12px 30px;
  background: #555; /* ←少しグレー */
  color: #fff;
  border-radius: 999px; /* ←これがポイント */
  font-size: 14px;
  transition: 0.3s;
}

.campaign-button:hover {
  background: #999;
}

.plan-name {
  font-size: 22px; /* ←好きなサイズに */
  font-weight: bold;
}