* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Hiragino Kaku Gothic ProN", sans-serif;
  line-height: 1.6;
  color: #333;
  background: #fefefe;
}

.header {
  background-color: #ffffff;
  padding: 20px;
  border-bottom: 1px solid #ddd;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 24px;
  color: #ff8c00;
}

.nav-list {
  list-style: none;
  display: flex;
  gap: 20px;
}

.nav-list a {
  text-decoration: none;
  color: #333;
  font-weight: bold;
}

.hero {
  text-align: center;
  background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
  padding: 80px 20px;
}

.hero-title {
  font-size: 36px;
  color: #333;
  margin-bottom: 16px;
}

.hero-sub {
  font-size: 18px;
  margin-bottom: 24px;
}

.hero-btn {
  display: inline-block;
  background-color: #ff8c00;
  color: white;
  padding: 14px 28px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: bold;
}

.features {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding: 60px 20px;
  max-width: 900px;
  margin: 0 auto;
  background-color: #fff8ee;
  border-top: 1px solid #eee;
}

.feature h3 {
  font-size: 22px;
  color: #ff8c00;
  margin-bottom: 8px;
}

.feature p {
  font-size: 16px;
  color: #333;
  line-height: 1.6;
}

.courses {
  background-color: #f7f7ff;
  padding: 60px 20px;
  text-align: center;
}

.section-title {
  font-size: 28px;
  color: #333;
  margin-bottom: 40px;
}

.course-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.course {
  background: white;
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  text-align: left;
}

.course h3 {
  font-size: 20px;
  color: #4169e1;
  margin-bottom: 8px;
}

.course p {
  font-size: 16px;
}

.teachers {
  background-color: #fff;
  padding: 60px 20px;
  text-align: center;
}

.teacher-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.teacher {
  background: #fdfdfd;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.teacher img {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 12px;
}

.teacher h3 {
  font-size: 20px;
  color: #333;
  margin-bottom: 8px;
}

.teacher p {
  font-size: 15px;
  color: #666;
}

.voices {
  background-color: #f0f8ff;
  padding: 60px 20px;
  text-align: center;
}

.voice-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.voice {
  background: white;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.voice-text {
  font-size: 16px;
  font-style: italic;
  margin-bottom: 8px;
  color: #333;
}

.voice-name {
  font-size: 14px;
  color: #666;
}

.access {
  background-color: #fff;
  padding: 60px 20px;
  text-align: center;
}

.access-info {
  font-size: 16px;
  color: #333;
  line-height: 1.8;
  max-width: 600px;
  margin: 0 auto;
}

.access-info a {
  display: inline-block;
  margin-top: 16px;
  color: #4169e1;
  text-decoration: underline;
}

.contact {
  background-color: #fdf6f0;
  padding: 60px 20px;
  text-align: center;
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-form input,
.contact-form textarea {
  padding: 12px;
  font-size: 16px;
  border: 1px solid #ccc;
  border-radius: 8px;
}

.contact-form button {
  background-color: #ff8c00;
  color: white;
  padding: 12px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
}

.contact-form button:hover {
  background-color: #e57700;
}

html {
  scroll-behavior: smooth;
}