/* 基本リセットと共通スタイル */
* {
  box-sizing: border-box;
  scroll-behavior: smooth;
}
body {
  font-family: "Noto Sans JP", sans-serif;
  margin: 0;
  padding: 0;
  color: #333;
  line-height: 1.6;
  background: url(images/BG.webp) #f7f5f2;
  background-color: #f7f5f2;
}
h2,
h3 {
  margin: 0;
  padding: 0;
}
.pc_only {
  display: block;
}
.sp_only {
  display: none;
}
@media (max-width: 768px) {
  .pc_only {
    display: none;
  }
  .sp_only {
    display: block;
  }
}

/** BUTTON **/
.btn {
  border-radius: 90px;
  font-style: normal;
  font-weight: 700;
  line-height: normal;
  text-decoration: none;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  transition: all 0.3s ease;
}
.btn-primary {
  border: 1px solid #fff;
  background: var(--Button, linear-gradient(180deg, #f5aa64 0%, #ff7797 100%));
  box-shadow: 0 4px 20px 0 rgba(0, 0, 0, 0.2);
  color: #fff;
  text-shadow: 1px 2px 2px rgba(0, 0, 0, 0.25);
}
.btn-light {
  color: #003a65;
  background: #fff;
}
.btn-small {
  font-size: 1rem;
  padding: 12px 40px;
}
.btn-large {
  font-size: 1.875rem;
  padding: 25px 60px;
}
.btn-primary:hover {
  filter: brightness(1.2);
  text-decoration: none;
}
.btn-light:hover {
  opacity: 0.6;
}
@media (max-width: 768px) {
  .btn-large {
    font-size: 1.25rem;
    padding: 12px 40px;
  }
  .btn-small {
    font-size: 0.875rem;
    padding: 10px 10px;
  }
}

/** HEADER **/
.site-header {
  display: flex;
  align-items: flex-start;
  width: 100%;
  justify-content: space-between;
}
.site-header .btn {
  margin-top: 20px;
  margin-right: 20px;
}
.logo {
  margin: 40px 0 0 80px;
}
.logo a img {
  transition: all 0.3s ease;
}
.logo a img:hover {
  transform: scale(1.05);
  transition: all 0.3s ease;
}
.logo img {
  height: 150px;
  filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.2));
}
.main-nav ul {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  list-style: none;
}
.main-nav ul li a {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: #333;
  text-decoration: none;
  padding: 10px 15px;
  transition: all 0.3s ease;
  font-size: 1.25rem;
  font-style: normal;
  font-weight: 700;
  line-height: normal;
  letter-spacing: 0.0625rem;
  gap: 8px;
  color: #444444;
}
.main-nav ul li a:hover {
  opacity: 0.6;
  transition: all 0.3s ease;
}
@media (max-width: 768px) {
  .site-header {
    justify-content: space-between;
  }

  .logo img {
    height: 70px;
  }
  .logo {
    margin: 20px 0 0 20px;
  }
  .main-nav {
    display: none;
  }
}

.site-footer {
  background-color: #003a65;
  color: #ffffff;
  text-align: center;
  padding: 20px 0;
}
.footer-logo {
  margin-top: -80px;
  margin-bottom: 100px;
}
.site-footer a {
  color: #fff;
  text-decoration: none;
}
.site-footer p {
  color: #fff;
  text-align: center;
  font-size: 0.75rem;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  letter-spacing: 0.0375rem;
  margin: 40px 0;
}
/** HERO **/

.hero-section {
  position: relative;
  overflow: hidden;
  height: 743px;
  display: flex;
  text-align: center;
  justify-content: center;
  align-items: center;
}
.hero-section h1 {
  position: relative;
  padding-top: 100px;
}
.hero-bg {
  background: url(images/kv-bg_pc.webp) no-repeat center;
  background-size: cover;
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  width: 100%;
  height: 743px;
  mix-blend-mode: darken;
}
@media (max-width: 768px) {
  .hero-section {
    height: 440px;
  }
  .hero-bg {
    background: url(images/kv-bg_pc.webp) no-repeat center;
    background-size: cover;
    height: 440px;
  }
  .hero-section h1 {
    padding-top: 0;
  }
  .hero-message {
    background: rgba(255, 255, 255, 0.8);
    height: 200px;
    width: 100%;
  }
  .hero-message img {
    width: 60vw;
  }
}

/* ABOUT SECTION */

.about-bg {
  background: url(images/line-01.svg) no-repeat top center;
  background-size: cover;
  min-height: 130px;
  width: 100%;
}
.about-contents {
  background: #f4efe8;
  text-align: center;
  padding-bottom: 120px;
}
h2#about img {
  width: 550px;
}
.about-items {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 80px;
  padding: 80px 0;
}
.about-items-message,
.about-items-group {
  display: flex;
  width: 900px;
  gap: 60px;
}
.about-items-text {
  text-align: left;
  width: 500px;
}

.about-items-group .about-items-text span {
  color: #f5aa64;
  letter-spacing: 0.05rem;
}
.about-items-message .about-items-text span {
  color: #5aa1d8;
  letter-spacing: 0.05rem;
}
.about-items-text h3 {
  color: #444;
  font-size: 2rem;
  font-style: normal;
  font-weight: 700;
  line-height: 3.125rem; /* 156.25% */
  letter-spacing: 0.1rem;
}
.about-items-text p {
  color: #444;
  font-size: 1rem;
  font-style: normal;
  font-weight: 400;
  line-height: 1.75rem; /* 175% */
  letter-spacing: 0.05rem;
}
@media (max-width: 768px) {
  h2#about img {
    width: 80%;
  }
  .about-items {
    padding: 20px 0;
    gap: 40px;
  }
  .about-items-message,
  .about-items-group {
    flex-direction: column;
    width: 100%;
    padding: 0 20px;
    gap: 20px;
  }
  .about-items-text h3 {
    font-size: 1.5rem;
    line-height: 2.25rem; /* 150% */
  }
  .about-items-text {
    width: 100%;
    text-align: left;
  }
  .about-items-text p {
    font-size: 0.875rem;
    line-height: 1.5rem; /* 171.429% */
  }
}

/* FEATURE SECTION */

h2#features img {
  width: 550px;
}
.feature-section {
  margin-top: -100px;
}
.feature-bg {
  background: url(images/line-02.svg) no-repeat top center;
  background-size: cover;
  min-height: 130px;
  width: 100%;
}
.feature-contents {
  background: #e5e0d9;
  text-align: center;
}

.feature-items {
  display: flex;
  align-items: flex-start;
  gap: 40px;
  justify-content: center;
  margin-top: 40px;
  padding-bottom: 80px;
}
.feature-item {
  display: flex;
  width: 300px;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: left;
}
.feature-item h3 {
  color: #003a65;
  text-align: center;
  font-size: 2rem;
  font-style: normal;
  font-weight: 700;
  line-height: 3.125rem; /* 156.25% */
  letter-spacing: 0.1rem;
}
.featire-item p {
  color: #000;
  font-size: 1rem;
  font-style: normal;
  font-weight: 400;
  line-height: 1.5rem; /* 150% */
  letter-spacing: 0.05rem;
}

@media (max-width: 768px) {
  h2#features img {
    width: 80%;
  }
  .feature-items {
    flex-direction: column;
    gap: 20px;
    align-items: center;
    margin-top: 0;
    padding-bottom: 40px;
  }
  .feature-item {
    gap: 0;
  }
  .feature-item h3 {
    font-size: 1.5rem;
    line-height: 2.25rem; /* 150% */
  }
  .feature-item p {
    font-size: 0.875rem;
    line-height: 1.5rem; /* 171.429% */
  }
}

/* CTA SECTION */
.cta-section {
  background: #003a65;
  text-align: center;
  color: #fff;
  padding: 60px 20px;
}
.cta-section h3 {
  color: #fff;
  text-align: center;
  font-size: 2.25rem;
  font-style: normal;
  font-weight: 700;
  line-height: 3.75rem; /* 166.667% */
  letter-spacing: 0.1125rem;
}
.cta-section h3:after {
  content: "";
  display: block;
  margin: 12px auto;
  width: 250px;
  height: 6px;
  background-color: #fff;
}
.cta-section p {
  color: #fff;
  text-align: center;
  font-size: 1rem;
  width: 720px;
  margin: 40px auto;
  letter-spacing: 0.05rem;
}
@media (max-width: 768px) {
  .cta-section {
    padding: 20px;
    padding-bottom: 40px;
  }
  .cta-section h3 {
    font-size: 1.25rem;
    line-height: 2rem; /* 150% */
  }
  .cta-section p {
    font-size: 0.875rem;
    line-height: 1.5rem; /* 171.429% */
    width: 100%;
  }
}

/* MEMBER SECTION */
.member-section {
  padding: 60px 20px;
  text-align: center;
  background: #fff;
}
.member-section h2 img {
  width: 700px;
}
.member-contents {
  margin-top: 40px;
}
.member-lead {
  color: #444;
  text-align: center;
  font-family: "Noto Sans JP";
  font-size: 1rem;
  font-style: normal;
  font-weight: 400;
  line-height: 1.75rem; /* 175% */
  letter-spacing: 0.05rem;
  margin: 60px 0;
}
.member-items {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 100px;
  margin-bottom: 100px;
}
.member-item {
  display: flex;
  width: 200px;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  align-self: stretch;
  text-align: left;
}
.member-item img {
  width: 200px;
}
.member-item h3 {
  color: #003a65;
  text-align: center;
  font-style: normal;
  font-size: 0.875rem;
  font-style: normal;
  font-weight: 700;
  line-height: 1.625rem;
  letter-spacing: 0.04375rem;
}
.member-item h3 span {
  font-size: 1.5rem;
  font-weight: 700;
}
.member-name {
  color: #000;
  text-align: center;
  font-family: "Noto Sans JP";
  font-size: 1.125rem;
  font-style: normal;
  font-weight: 700;
  line-height: normal;
  letter-spacing: 0.05625rem;
  display: flex;
  padding: 6px 12px;
  justify-content: center;
  align-items: center;
  border-radius: 60px;
  background: #dbf2ff;
}
.member-text {
  color: #000;
  width: 188px;
  font-size: 0.875rem;
  line-height: 1.5rem; /* 171.429% */
}
@media (max-width: 768px) {
  .member-section {
    padding: 20px;
  }
  .member-section h2 img {
    width: 80%;
  }
  .member-lead {
    font-size: 0.875rem;
    line-height: 1.5rem; /* 171.429% */
    margin: 20px 0;
    text-align: left;
  }
  .member-items {
    flex-direction: column;
    gap: 20px;
    margin-bottom: 80px;
  }
  .member-item {
    width: 100%;
    align-items: center;
    text-align: left;
    gap: 4px;
  }
  .member-item img {
    width: 150px;
  }
  .member-item h3 {
    font-size: 1rem;
    line-height: 1.75rem; /* 175% */
  }
  .member-name {
    font-size: 1rem;
    padding: 4px 10px;
  }
  .member-text {
    width: 100%;
    font-size: 0.875rem;
    line-height: 1.5rem; /* 171.429% */
  }
}

@media (min-width: 1520px) {
  .hero-section {
    height: 1000px;
  }
  .hero-bg {
    height: 1000px;
  }
}

/* CONTACT FORM */
.page-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.1rem;
  color: #003a65;
  margin: 20px 0 12px;
}
.page-intro {
  text-align: center;
  font-size: 1rem;
  color: #444;
  letter-spacing: 0.05rem;
  margin: 0 auto 60px;
  max-width: 720px;
}
.contact-form {
  max-width: 720px;
  margin: 0 auto 120px;
  padding: 40px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}
.form-field {
  margin-bottom: 16px;
}
.form-field h2 {
  font-size: 1.3rem;
}
.form-field p,
.form-field ul {
  font-size: 0.75rem;
}
.form-field label {
  display: block;
  font-weight: 700;
  margin-bottom: 8px;
  color: #003a65;
}
.required {
  margin-left: 8px;
  color: #d00;
  font-size: 0.875rem;
}
.form-field input,
.form-field textarea {
  width: 100%;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 12px;
  font-size: 1rem;
  color: #333;
  background: #fff;
}
.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: #5aa1d8;
  box-shadow: 0 0 0 3px rgba(90, 161, 216, 0.2);
}
.form-field input::placeholder {
  color: #aaa;
}
.form-actions {
  text-align: center;
  margin-top: 24px;
}
.contact-form .btn {
  min-width: 160px;
  margin-bottom: 20px;
}
.contact-form .btn-large {
  font-size: 1.25rem;
  padding: 16px 60px;
}
@media (max-width: 768px) {
  .contact-form {
    margin: 0 20px 40px;
    padding: 16px;
  }
  .page-title {
    font-size: 1.5rem;
    margin: 20px 0 8px;
  }
  .page-intro {
    font-size: 0.875rem;
    margin-bottom: 16px;
    padding: 0 20px;
  }
}

.form-consent {
  margin-top: 8px;
  border-radius: 8px;
}
.form-consent label {
  font-size: 12px;
  font-weight: normal;
}
.form-consent input[type="checkbox"] {
  width: 18px;
  height: 18px;
  vertical-align: middle;
  margin-right: 8px;
}
.consent-label a {
  color: #003a65;
  font-weight: 700;
  text-decoration: underline;
}
.consent-label a:hover {
  opacity: 0.7;
}