@charset "UTF-8";

/* ================= Base ================= */
* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  font-family: "Noto Sans JP", system-ui, -apple-system, "Segoe UI",
    "Helvetica Neue", Arial, sans-serif;
  color: #1a1a1a;
  background: #ffffff;
  line-height: 1.7;
  font-size: 16px;
}

.container {
  padding: 0 4%;
  margin: 0 auto;
  max-width: 1200px;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}

.fadein {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

.fadein.active {
  opacity: 1;
  transform: translateY(0);
}

.mask {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  z-index: 99;
  cursor: pointer;
}

/* ================= Header ================= */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #111;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 4%;
}
.header.is-fixed {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 9999;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}
.logo {
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.hamburger {
  display: none;
}

.nav-list {
  display: flex;
  gap: 1.2rem;
  align-items: center;
  list-style: none;
}
.nav-list a {
  color: #fff;
  font-size: 0.92rem;
}
.nav-list .cta {
  background: #fff;
  color: #111;
  padding: 0.6rem 1rem;
  border-radius: 999px;
  font-weight: 700;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.mask {
  display: none;
}

/* ================= Hero ================= */
.hero {
  min-height: 78vh;
  display: grid;
  place-items: center;
  text-align: center;
  position: relative;
  padding: 4rem 1rem;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.55),
    rgba(0, 0, 0, 0.65)
  ); /* 透明度を減らす */
}
.hero--image {
  background: url("img/hero.jpg") center/cover no-repeat;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.35), rgba(0, 0, 0, 0.45));
}
.hero__inner {
  position: relative;
  z-index: 1;
  color: #fff;
  max-width: 1060px;
  padding: 1rem;
}
.hero__eyebrow {
  opacity: 0.9;
  letter-spacing: 0.08em;
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
}
.hero-title {
  font-weight: 800;
  line-height: 1.3;
  font-size: clamp(1.8rem, 3.8vw, 3rem);
  margin: 0.2rem 0 0.6rem;
}
.catch {
  font-size: 1.05rem;
  opacity: 0.95;
  margin-bottom: 1.2rem;
}

.features {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin: 0 0 1.6rem;
  padding: 0;
}
.features li {
  background: rgba(255, 255, 255, 0.95);
  color: #111;
  font-weight: 700;
  padding: 0.5rem 0.8rem;
  border-radius: 10px;
  font-size: 0.92rem;
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.btn {
  display: inline-block;
  background: #fff;
  color: #111;
  font-weight: 800;
  padding: 0.85rem 1.3rem;
  border-radius: 999px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.18);
  transition: transform 0.04s ease, opacity 0.2s ease;
}
.btn:hover {
  opacity: 0.92;
}
.btn:active {
  transform: translateY(1px);
}
.btn-primary {
  background: #00e0a4;
  color: #0a3430;
}
.btn-primary:hover {
  background: #08c493;
}

/* ================= Reasons (Features) ================= */
.reasons {
  background: #fff;
  padding: 4rem 0;
  text-align: left;
}
.reasons h2 {
  text-align: center;
  font-size: 1.6rem;
  margin: 0 0 0.6rem;
}
.reasons h2 .num {
  font-size: 2em;
}
.reasons-lead {
  text-align: center;
  margin: 0 auto 2rem;
  color: #333;
}

.reasons-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  max-width: 1000px;
  margin: 0 auto 1.6rem;
}
.reason-box {
  display: flex;
  gap: 16px;
  padding: 16px;
  border: 1px solid #e5e5e5;
  border-radius: 12px;
  background: #fff;
}
.reason-thumb {
  flex: 0 0 120px;
  height: 120px;
  background-size: cover;
  background-position: center;
  border-radius: 8px;
}

.reason-thumb--1 {
  background-image: url("img/create.jpg");
}

.reason-thumb--2 {
  background-image: url("img/teacher.jpg");
}

.reason-thumb--3 {
  background-image: url("img/sales.jpg");
}

.reason-thumb--4 {
  background-image: url("img/shortterm.jpg");
}

.reason-content {
  flex: 1;
}
.reason-head {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0 0 0.4rem;
}
.reason-num {
  font-size: 2rem;
  font-weight: 800;
}
.reason-head h3 {
  margin: 0;
  font-size: 1.15rem;
}
.reason-head h3 small {
  display: block;
  color: #444;
  font-weight: 600;
  margin-top: 0.2rem;
}
.reason-desc {
  color: #555;
  margin: 0;
}

.btn.btn-large {
  display: block;
  width: min(680px, 92%);
  text-align: center;
  margin: 1.4rem auto 0;
  background: #111;
  color: #fff;
}

/* ================= Voices ================= */
.section-title {
  font-size: 1.6rem;
  text-align: center;
  margin: 0 0 1.2rem;
  font-weight: 800;
}
.voices {
  background: #f7f7f7;
  padding: 4rem 0;
}
.voices__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  max-width: 1000px;
  margin: 0 auto;
}
.voice {
  background: #fff;
  border: 1px solid #e5e5e5;
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  gap: 16px;
  padding: 16px;
}
.voice__thumb img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  object-fit: cover;
}

.voice__name {
  font-size: 1rem;
  margin: 0 0 0.25rem;
  font-weight: 700;
}
.voice__text {
  font-size: 0.95rem;
  color: #444;
  margin: 0 0 0.5rem;
  line-height: 1.9;
}
.voice__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.voice__chips li {
  font-size: 0.8rem;
  border: 1px solid #ddd;
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  background: #fafafa;
}
@media (max-width: 640px) {
  .voice {
    flex-direction: column;
  }
  .voice__thumb img {
    width: 100%;
    height: auto;
  }
}

/* ================= Curriculum ================= */
.curriculum {
  background: #fff;
  padding: 4rem 0;
}
.curriculum__list {
  max-width: 900px;
  margin: 0 auto;
  list-style: none;
  padding: 0;
  display: grid;
  gap: 12px;
}
.curriculum__list li {
  border: 1px solid #e5e5e5;
  border-radius: 12px;
  padding: 14px 16px;
  background: linear-gradient(#fff, #fcfcfc);
}
.curriculum .wk {
  display: inline-block;
  font-weight: 800;
  margin-right: 0.6rem;
  color: #00a4ff;
}

/* ================= Pricing ================= */
.pricing {
  background: #f7f7f7;
  padding: 4rem 0;
}
.pricing__wrap {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.plan {
  background: #fff;
  border: 1px solid #e5e5e5;
  border-radius: 14px;
  padding: 20px;
  display: grid;
  gap: 12px;
}
.plan__title {
  font-size: 1.2rem;
  margin: 0;
}
.plan__price {
  font-size: 2rem;
  font-weight: 800;
  margin: 0.25rem 0 0.5rem;
}
.plan__price span {
  font-size: 1rem;
  margin-right: 0.15em;
}
.plan__list {
  list-style: "✓ ";
  padding-left: 1.1em;
  color: #333;
  line-height: 1.9;
}
.benefits {
  background: #fff;
  border: 1px dashed #bbb;
  border-radius: 14px;
  padding: 20px;
}
.benefits h4 {
  margin: 0 0 0.6rem;
  font-size: 1.05rem;
}
.benefits ul {
  margin: 0;
  padding-left: 1.1em;
  line-height: 1.9;
}
@media (max-width: 900px) {
  .pricing__wrap {
    grid-template-columns: 1fr;
  }
}

/* ================= Inquiry (Contact) ================= */
.inquiry {
  background: #fff;
  padding: 4rem 0;
}
.inquiry__heading {
  text-align: center;
  font-weight: 800;
  font-size: 1.4rem;
  color: #111;
  margin: 0 0 10px;
}
.inquiry__lead {
  text-align: center;
  font-weight: 700;
  margin: 0 0 6px;
}
.inquiry__note {
  text-align: center;
  color: #6b6b6b;
  font-size: 0.9rem;
  margin: 0 0 22px;
}

.inquiry__form {
  background: #f7f7f7;
  border-radius: 10px;
  padding: 22px;
  max-width: 900px;
  margin: 0 auto;
}
.inquiry__field {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 16px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px dashed #e2e2e2;
}
.inquiry__field:last-of-type {
  border-bottom: none;
}
.inquiry__field--full {
  grid-template-columns: 160px 1fr;
}
.inquiry__form label {
  font-weight: 700;
  color: #111;
}
.inquiry__form input[type="text"],
.inquiry__form input[type="email"],
.inquiry__form textarea {
  width: 100%;
  border: 1px solid #cfcfcf;
  border-radius: 6px;
  background: #fff;
  padding: 10px 12px;
  font-size: 14px;
  line-height: 1.6;
  outline: none;
}
.inquiry__form input:focus,
.inquiry__form textarea:focus {
  border-color: #111;
  box-shadow: 0 0 0 2px rgba(17, 17, 17, 0.08);
}
.inquiry__agree {
  display: block;
  margin: 14px 0 0;
  font-size: 14px;
  color: #333;
  text-align: center;
}
.inquiry__agree input {
  margin-right: 8px;
}
.inquiry__submit {
  display: block;
  width: 320px;
  margin: 18px auto 0;
  border: none;
  border-radius: 999px;
  padding: 14px 20px;
  background: #111;
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  cursor: pointer;
  box-shadow: 0 3px 0 rgba(0, 0, 0, 0.18);
}
.inquiry__submit:hover {
  opacity: 0.9;
}
.inquiry__submit:active {
  transform: translateY(1px);
}

/* ================= FAQ ================= */
.faq {
  background: #fff;
  padding: 4rem 1rem;
  max-width: 960px;
  margin: 0 auto;
}

.faq__heading {
  text-align: center;
  font-weight: 700;
  font-size: 24px;
  color: #111;
  margin: 0 0 24px;
}

.ac-menu .faq__item {
  border-bottom: 1px solid #e6e6e6;
}

.faq__question {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 14px 0;
  font-size: 16px;
  color: #111;
  position: relative;
  padding-right: 32px;
}

.faq__label {
  font-weight: 700;
  margin-right: 8px;
}

.faq__toggle {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
}
.faq__toggle::before,
.faq__toggle::after {
  content: "";
  position: absolute;
  background: #111;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.faq__toggle::before {
  width: 12px;
  height: 2px;
}
.faq__toggle::after {
  width: 2px;
  height: 12px;
}

.faq__question.open .faq__toggle::after {
  display: none;
}

.faq__answer {
  display: none;
  padding: 0 0 16px 32px;
  color: #333;
  line-height: 1.8;
}

.faq__label--a {
  font-weight: 700;
  margin-right: 6px;
}

/* ================= Bottom CTA ================= */
.cta-bottom {
  background: #00e0a4;
  color: #fff;
  text-align: center;
  padding: 3rem 4%;
}
.cta-bottom h2 {
  font-size: 1.4rem;
  margin: 0 0 0.5rem;
}
.cta-bottom p {
  opacity: 0.9;
  margin: 0 0 1rem;
}
.cta-bottom__actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-bottom .btn {
  background: #fff;
}

/* ================= Footer ================= */
.footer {
  background: #111;
  color: #fff;
  padding: 1.2rem 4%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.footer__logo a {
  color: #fff;
  font-weight: 800;
}
.footer__nav .nav-list {
  flex-wrap: wrap;
  justify-content: center;
}
.footer__nav .nav-list a {
  color: #fff;
}
.footer__nav .nav-list .cta {
  background: #fff;
  color: #111;
}
.footer__copy {
  opacity: 0.8;
  font-size: 0.85rem;
}

/* ================= Responsive ================= */
@media (max-width: 1024px) {
  .hamburger {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    background: transparent;
    cursor: pointer;
  }
  .hamburger span {
    transition: transform 0.4s ease, opacity 0.2s ease;
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    margin: 0 auto;
    z-index: 999;
  }
  #global-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: #111;
    display: none;
    z-index: 999;
  }
  .header.open #global-nav {
    display: block;
  }
  #global-nav .nav-list {
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 4%;
  }
  #global-nav .nav-list li a {
    display: block;
    padding: 0.9rem 0.2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  #global-nav .nav-list li:last-child a {
    border-bottom: none;
  }
  .header.open .hamburger span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .header.open .hamburger span:nth-child(2) {
    opacity: 0;
  }
  .header.open .hamburger span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  .header.open .mask {
    display: block;
  }
  .footer__nav {
    display: none;
  }

  .footer {
    padding: 0.75rem 4%;
    gap: 0.25rem;
  }

  .footer__logo {
    margin: 0;
  }
  .footer__copy {
    margin-top: 0;
    font-size: 0.75rem;
  }
}

@media (max-width: 768px) {
  .hero {
    min-height: 72vh;
  }
  .features li {
    font-size: 0.9rem;
  }
  .reason-box {
    flex-direction: column;
    align-items: center;
    text-align: left;
  }
  .reason-thumb {
    flex: 0 0 auto;
    width: 100%;
    height: 180px;
  }
  .voices__grid {
    gap: 12px;
  }
  .voice__name {
    text-align: center;
  }
  .voice__thumb img {
    display: block;
    max-width: 150px;
    margin: 0 auto;
  }
  .inquiry__form {
    padding: 18px;
  }
  .inquiry__field {
    grid-template-columns: 1fr;
  }
  .inquiry__agree {
    text-align: left;
  }
  .inquiry__submit {
    width: 100%;
    max-width: 360px;
  }
  .footer .nav-list {
    display: none;
  }
}
