:root {
  --color-primary: #ef6f2a;
  --color-text: #25324a;
  --color-bg: #ffffff;
  --color-bg-soft: #faf8f5;
  --color-footer: #153b67;
  --color-border: #e7e9ee;
  --radius: 16px;
  --shadow: 0 10px 25px rgba(30, 41, 59, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--color-text);
  background: var(--color-bg);
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.7;
}

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

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

.head-container {
	width: calc(100% - 40px);
	margin: 0 auto;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.section {
  padding: 88px 0;
}

/* Prevent sticky header from covering anchor targets */
main section[id] {
  scroll-margin-top: 100px;
}

h1, h2, h3 {
  margin: 0;
  line-height: 1.35;
}

h1 {
  font-size: clamp(2rem, 4.2vw, 3.5rem);
  font-weight: 900;
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 900;
}

h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

.section-en {
  margin: 0 0 8px;
  color: var(--color-primary);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.btn-primary,
.btn-login {
  background: var(--color-primary);
  color: #fff;
  transition: opacity 0.2s ease;
}

.btn-primary:hover,
.btn-login:hover {
  opacity: 0.9;
}

.btn-primary {
  font-size: 1.5rem;
  min-height: 60px;
  padding: 0 60px;
  border-radius: 999px;
}

.btn-primary-1 {
  background: var(--color-primary);
  color: #fff;
  border-radius: 10px;
  font-size: 1.25rem;
  min-height: 52px;
  padding: 0 48px;
  transition: opacity 0.2s ease;
}

.btn-primary-1:hover {
  opacity: 0.9;
}

.btn-login {
  min-height: 44px;
  padding: 0 22px;
}

.link-arrow {
  color: var(--color-text);
  font-weight: 700;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo__mark {
  width: auto;
  height: auto;
  flex-shrink: 0;
}

.brand-logo__text {
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.2;
  white-space: nowrap;
}

.header-logo {
  padding: 10px 0;
  flex-direction: column;
  gap: 6px;
  width: auto;
  background: var(--color-bg);
}

.header-logo .brand-logo__mark {
  width: min(70px, 22vw);
}

.header-logo .brand-logo__text {
  color: var(--color-text);
  font-size: clamp(0.75rem, 1.9vw, 0.875rem);
  text-align: center;
}

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 28px;
  font-weight: 500;
}

.login-desktop {
  margin-left: 6px;
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 0;
  background: transparent;
  padding: 8px;
  margin-left: auto;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  height: 2px;
  background: var(--color-text);
  margin: 5px 0;
}

.nav-login {
  display: none;
}

.fv {
  height: calc(100vh - 117px);
  width: 100%;
  padding: 0;
  background-image: url("../imgs/flower-person-pc.png");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
}

.fv-inner {
  height: 100%;
}

.fv-copy {
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: flex-start;
  justify-content: end;
  padding-bottom: 100px;
}

.fv-subcopy {
  font-size: clamp(1.2rem, 2vw, 1.35rem);
  font-weight: 500;
  margin: 0;
}

.fv-credit {
  font-weight: bold;
  margin: 0;
}

.cta-group {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
}

.promise-inner {
  text-align: center;
}

.promise .section-en {
  font-size: 1.15rem;
}

.card-grid {
  margin-top: 28px;
  display: grid;
  gap: 20px;
}

.promise-grid,
.after-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: #fff;
  padding: 28px 24px;
}

.card-num {
  margin: 0 0 8px;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1.25rem;
}

.promise .card-num {
  font-size: 1.5rem;
}

.icon {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.promise .icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.promise .card p:not(.card-num) {
  text-align: left;
}

.promise .title-pc {
  font-size: 1.5rem;
}

.promise .title-sp {
  display: none;
}

.card p:last-child {
  margin-bottom: 0;
}

.about {
  background: var(--color-bg-soft);
}

.about .section-en {
  font-size: 1.15rem;
}

.about-inner {
  display: grid;
  grid-template-columns: minmax(0, 430px) 1fr;
  gap: 32px;
  align-items: start;
}

.video-wrap {
  max-width: 100%;
  overflow: hidden;
  width: 100%;
  box-sizing: border-box;
}

.about-message {
  line-height: 1.55;
}

.about-en-sp,
.about-en-pc {
  margin: 0 0 12px;
}

.about-en-sp {
  display: none;
  text-align: center;
}

.about-copy-sp {
  display: none;
}

.about-message .about-title,
.about-message .about-lead {
  font-size: clamp(2.5rem, 5.2vw, 3.75rem);
  font-weight: 900;
  line-height: 1.4;
  margin: 0 0 16px;
}

.about-message .about-lead {
  margin-bottom: 20px;
}

.about-message .about-lead strong,
.about-message p strong {
  color: var(--color-primary);
  font-weight: 900;
}

.about-message p {
  margin: 14px 0;
  line-height: 2;
}

.about-copy-pc > p:not(.about-lead):not(.signature),
.about-copy-sp > p:not(.about-lead):not(.signature) {
  font-size: 1.5rem;
}

.signature {
  text-align: right;
  font-size: 1.8rem;
  margin: 20px 0 0 auto;
  padding-right: 1.5rem;
  font-weight: 700;
}

.curriculum-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.timeline {
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  position: relative;
  padding: 0 0 24px 22px;
  border-left: 2px dashed #f2b18f;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--color-primary);
}

.timeline li:last-child {
  border-left: 0;
  padding-bottom: 0;
}

.timeline span {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: #fff5ef;
  color: var(--color-primary);
  font-weight: 700;
}

.timeline strong {
  display: block;
  margin-top: 10px;
}

.timeline p {
  margin: 6px 0 0;
}

.curriculum .section-en {
  font-size: 1.1rem;
}

.curriculum h2 {
  font-size: clamp(1.9rem, 3.4vw, 2.8rem);
}

.curriculum .timeline-pc {
  margin: 34px auto 0;
  padding: 0;
  list-style: none;
  width: fit-content;
  max-width: 100%;
}

.curriculum .timeline-sp {
  display: none;
}

.curriculum .timeline-pc li {
  display: grid;
  grid-template-columns: minmax(6.5rem, auto) 1fr;
  gap: 16px 32px;
  align-items: center;
  padding: 0 0 28px;
  border-left: 0;
}

.curriculum .timeline-pc li::before {
  display: none;
}

.curriculum .timeline-pc li:last-child {
  padding-bottom: 0;
}

.curriculum .timeline-week-col {
  position: relative;
  align-self: stretch;
  display: flex;
  align-items: center;
  justify-content: center;
}

.curriculum .timeline-week-col::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  transform: translateX(-50%);
  border-left: 2px dotted #f2b18f;
}

.curriculum .timeline-pc li:not(:last-child) .timeline-week-col::before {
  bottom: -28px;
}

.curriculum .timeline-pc li:first-child .timeline-week-col::before {
  top: 50%;
}

.curriculum .timeline-pc li:last-child .timeline-week-col::before {
  bottom: 50%;
}

.curriculum .timeline-week {
  position: relative;
  z-index: 1;
  display: inline-block;
  text-align: center;
  padding: 4px 20px;
  border-radius: 10px;
  color: var(--color-bg);
  background: var(--color-primary);
  font-size: 1.15rem;
  font-weight: 700;
  white-space: nowrap;
}

.curriculum .timeline-content strong {
  display: block;
  margin-top: 0;
  font-size: 1.4rem;
}

.curriculum .timeline-content p {
  margin: 6px 0 0;
  font-size: 1.25rem;
}

.curriculum .timeline-sp {
  line-height: 1.45;
}

.curriculum .timeline-sp li {
  position: relative;
  text-align: left;
  margin-bottom: 26px;
  line-height: 1.45;
}

.curriculum .timeline-sp li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: calc(100% + 3px);
  left: 28px;
  height: 20px;
  transform: translateX(-50%);
  border-left: 2px dotted #f2b18f;
}

.curriculum .timeline-sp li:last-child {
  margin-bottom: 0;
}

.curriculum .timeline-sp-week {
  display: inline-block;
  padding: 4px 20px;
  border-radius: 10px;
  color: var(--color-bg);
  background: var(--color-primary);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.2;
}

.curriculum .timeline-sp strong {
  display: block;
  margin-top: 8px;
  font-size: 1.2rem;
  line-height: 1.35;
}

.curriculum .timeline-sp p {
  margin: 4px 0 0;
  font-size: 0.875rem;
  line-height: 1.45;
}

.after-month-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.keyword {
  margin: 2px 0 8px;
  color:--var(--color-text);
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1;
  font-weight: 900;
}

.after-month .section-en {
  font-size: 1.15rem;
}

.after-month h2 {
  font-size: clamp(1.85rem, 3.2vw, 2.65rem);
}

.after-month .card {
  text-align: center;
}

.after-month .card-num {
  font-size: 1.35rem;
}

.after-month .keyword {
  position: relative;
  display: inline-block;
  margin-bottom: 0;
  padding-bottom: 28px;
}

.after-month .keyword::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  width: 50px;
  height: 2px;
  background: var(--color-primary);
}

.after-month h3 {
  font-size: 1.35rem;
}

.after-month .card > p:not(.card-num):not(.keyword) {
  font-size: 1.05rem;
}

.voice {
  background: var(--color-bg-soft);
}

.voice-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.voice-card {
  margin-top: 28px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}

.voice-card-body {
  display: grid;
  grid-template-columns: 2fr 5fr;
  gap: 24px 32px;
  align-items: start;
}

.voice-aside {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  align-self: end;
  margin-top: 0;
  margin-bottom: 30px;
}

.voice-aside img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 16px;
}

.voice-name {
  margin: 10px 0 0;
  font-size: 0.95rem;
  font-weight: 700;
  text-align: center;
}

.voice-quote {
  margin: 0;
  font-size: clamp(1.3rem, 2.6vw, 2rem);
  font-weight: 700;
}

.voice-main .qa-grid {
  margin: 24px 0 0;
}

.qa-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.qa-grid div {
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 16px;
}

.qa-grid dt {
  margin-bottom: 8px;
  color: var(--color-primary);
  font-weight: 700;
}

.qa-grid dd {
  margin: 0;
}

.voice-note,
.small-note {
  margin: 8px 0 0;
  color: #6b7280;
  font-size: 0.86rem;
}

.price-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.price-card {
  margin: 26px auto 0;
  max-width: 760px;
  padding: 32px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
}

.price .product {
  margin: 0;
  font-size: calc(1em + 2px);
  font-weight: 700;
}

.price .amount {
  margin: 6px 0 18px;
  color: var(--color-text);
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 900;
  line-height: 1.2;
}

.price .amount-tax {
  margin-left: 8px;
  color: var(--color-text);
  font-size: 1.1rem;
  font-weight: 500;
}

.price .amount-sp {
  display: none;
}

.price-features {
  margin: 0 auto 22px;
  padding: 0;
  list-style: none;
  display: inline-block;
  text-align: left;
}

.price-features li {
  position: relative;
  margin-bottom: 8px;
  padding-left: 1.5em;
}

.price-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.price-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.price-card .small-note {
  margin: 12px 0 0;
  line-height: 1.4;
  text-align: left;
}

.price-card .small-note + .small-note {
  margin-top: 2px;
}

.accordion {
  margin-top: 24px;
}

.accordion details {
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 0 18px;
  margin-bottom: 12px;
}

.accordion summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
  position: relative;
  padding: 16px 28px 16px 0;
}

.accordion summary::-webkit-details-marker {
  display: none;
}

.accordion summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-primary);
  font-size: 1.5rem;
  line-height: 1;
}

.accordion details[open] summary::after {
  content: "−";
}

.accordion details p {
  margin: 0 0 16px;
}

.faq-header {
  text-align: center;
}

.site-footer {
  background: var(--color-footer);
  color: #fff;
  padding: 58px 0 40px;
}

.footer-inner {
  text-align: center;
}

.footer-logo {
  flex-direction: row;
  gap: 14px;
  justify-content: center;
  width: auto;
  margin: 0 auto 24px;
}

.footer-logo .brand-logo__mark {
  width: 52px;
}

.footer-logo .brand-logo__text {
  color: #fff;
  font-size: clamp(0.875rem, 2.4vw, 1.125rem);
}

.site-footer nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 20px;
}

.site-footer p {
  margin: 22px 0 0;
}

@media (max-width: 920px) {
  .curriculum .timeline-pc {
    display: none;
  }

  .curriculum .timeline-sp {
    display: block;
    margin: 34px 0 0;
    padding: 0 24px;
    list-style: none;
    width: 100%;
    box-sizing: border-box;
  }

  .promise .title-pc {
    display: none;
  }

  .promise .title-sp {
    display: block;
  }

  .section {
    padding: 72px 0;
  }

  main section[id] {
    scroll-margin-top: 112px;
  }

  .about-inner {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .about-en-sp {
    display: block;
  }

  .about-en-pc {
    display: none;
  }

  .about-copy-pc {
    display: none;
  }

  .about-copy-sp {
    display: block;
  }

  .about-copy-sp > p:not(.about-lead):not(.signature) {
    font-size: 1.35rem;
  }

  .about-copy-sp .signature {
    font-size: 1.9rem;
  }

  .voice-card-body {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .voice-aside {
    align-items: center;
    align-self: auto;
    margin-top: 0;
  }

  .voice-aside img {
    width: min(200px, 72vw);
    aspect-ratio: 3 / 4;
  }

  .voice-quote {
    text-align: center;
  }

  .fv {
    padding: 0;
    height: calc(100vh - 94px);
    background-image: url("../imgs/flower-person-sp.png");
    background-position: center center;
    background-size: cover;
  }

  .fv-copy {
    padding-left: 0;
    padding-top: 40px;
    padding-bottom: 0;
    justify-content: start;
  }

  .fv-copy h1 {
    font-size: clamp(1.7rem, 3.6vw, 2.1rem);
  }

  .cta-group {
    width: 100%;
    height: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
  }

  .cta-group .btn-primary {
    width: 100%;
    font-size: 1.2rem;
  }

  .promise-grid,
  .after-grid,
  .qa-grid {
    grid-template-columns: 1fr;
  }

  .site-nav {
    position: absolute;
    top: 82px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
  }

  .site-nav a {
    padding: 14px 20px;
    border-top: 1px solid var(--color-border);
  }

  .site-nav.is-open {
    display: flex;
  }

  .menu-toggle {
    display: inline-block;
  }

  .login-desktop {
    display: none;
  }

  .nav-login {
    display: inline-flex;
    width: fit-content;
    margin: 12px 20px 16px;
    min-height: 40px;
  }
}

@media (max-width: 560px) {
  .head-container {
    width: calc(100% - 28px);
  }

  .container {
    width: min(1120px, calc(100% - 28px));
  }

  .header-inner {
    min-height: 70px;
    gap: 12px;
  }

  .header-logo {
    padding: 10px 0;
    display: flex;
    flex-direction: row;
  }

  .header-logo .brand-logo__mark {
    width: min(40px, 20vw);
  }

  .footer-logo .brand-logo__mark {
    width: 44px;
  }

  .site-nav {
    top: 70px;
  }

  .fv {
    height: calc(100vh - 70px);
  }

  .voice-card,
  .price-card,
  .card {
    padding: 22px 16px;
  }

  .price .amount-pc {
    display: none;
  }

  .price .amount-sp {
    display: block;
  }

  .price-card .small-note {
    text-align: left;
  }

  .btn-primary-1 {
    width: 100%;
    font-size: 1.2rem;
  }

  .site-footer nav {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }

  main section[id] {
    scroll-margin-top: 30px;
  }
}