/* ============================================
   First Breath LP — NOREN ANGE
   ============================================ */

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

:root {
  --color-primary: #C4787A;
  --color-primary-light: #D4989A;
  --color-primary-dark: #A85E60;
  --color-bg: #FEFCFB;
  --color-bg-warm: #FBF6F3;
  --color-bg-section: #F8F0EC;
  --color-text: #4A3B3C;
  --color-text-light: #7A6768;
  --color-text-muted: #A08889;
  --color-border: #E8D8D4;
  --color-white: #FFFFFF;
  --color-line-green: #06C755;

  --font-serif: 'Noto Serif JP', 'Yu Mincho', 'YuMincho', serif;
  --font-display: 'Cormorant Garamond', 'Noto Serif JP', serif;

  --container-width: 720px;
  --section-padding: 72px 24px;
  --section-padding-sp: 48px 20px;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-serif);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 2;
  letter-spacing: 0.08em;
}

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

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

ul, ol {
  list-style: none;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0;
}

.sp-only {
  display: none;
}

@media (max-width: 768px) {
  .sp-only {
    display: inline;
  }
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 14px 40px;
  border-radius: 2px;
  font-family: var(--font-serif);
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.btn--white {
  background: var(--color-white);
  color: var(--color-primary);
  border: 1px solid var(--color-white);
}

.btn--white:hover {
  background: transparent;
  color: var(--color-white);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
  border: 1px solid var(--color-primary);
  width: 100%;
  max-width: 280px;
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.btn--line {
  background: var(--color-line-green);
  color: var(--color-white);
  border: 1px solid var(--color-line-green);
  padding: 14px 48px;
}

.btn--line:hover {
  opacity: 0.85;
}

/* --- Section Common --- */
.section {
  padding: var(--section-padding);
}

@media (max-width: 768px) {
  .section {
    padding: var(--section-padding-sp);
  }
}

.section__title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-align: center;
  margin-bottom: 12px;
  color: var(--color-primary);
}

.section__subtitle {
  font-size: 0.8125rem;
  font-weight: 300;
  text-align: center;
  color: var(--color-text-muted);
  margin-bottom: 40px;
  letter-spacing: 0.15em;
}

/* ========== 1. Hero ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  /* 後で背景画像差し替え:
     background-image: url('assets/images/hero.jpg');
     background-size: cover;
     background-position: center;
  */
  overflow: hidden;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(196, 120, 122, 0.3) 0%,
    rgba(196, 120, 122, 0.6) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--color-white);
  padding: 40px 24px;
}

.hero__logo {
  width: 120px;
  margin: 0 auto 32px;
  opacity: 0.9;
}

.hero__label {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 16px;
  opacity: 0.85;
}

.hero__title {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  margin-bottom: 24px;
  line-height: 1.2;
}

.hero__copy {
  font-size: 0.9375rem;
  font-weight: 300;
  line-height: 2.2;
  letter-spacing: 0.15em;
  margin-bottom: 48px;
}

.hero .btn {
  margin-top: 8px;
}

@media (max-width: 768px) {
  .hero__title {
    font-size: 2.5rem;
  }
  .hero__logo {
    width: 90px;
    margin-bottom: 24px;
  }
}

/* ========== 2. 導入文 ========== */
.intro {
  background-color: var(--color-bg);
  padding-top: 72px;
  padding-bottom: 72px;
}

.intro__text {
  text-align: center;
  font-size: 0.9375rem;
  font-weight: 300;
  line-height: 2.4;
  margin-bottom: 28px;
  color: var(--color-text);
}

.intro__text:last-child {
  margin-bottom: 0;
}

.intro__text--highlight {
  color: var(--color-primary);
  font-weight: 400;
}

@media (max-width: 768px) {
  .intro {
    padding-top: 48px;
    padding-bottom: 48px;
  }
  .intro__text {
    font-size: 0.875rem;
    text-align: left;
    line-height: 2.2;
  }
}

/* ========== 3. コンセプト ========== */
.concept {
  background-color: var(--color-bg-warm);
}

.concept__body {
  margin-bottom: 36px;
}

.concept__text {
  text-align: center;
  font-size: 0.9375rem;
  font-weight: 300;
  line-height: 2.4;
  margin-bottom: 24px;
  color: var(--color-text);
}

.concept__keywords {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 24px;
}

.concept__keywords li {
  font-size: 0.8125rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  color: var(--color-primary);
  padding: 8px 20px;
  border: 1px solid var(--color-primary-light);
  border-radius: 2px;
}

@media (max-width: 768px) {
  .concept__text {
    font-size: 0.875rem;
    text-align: left;
  }
  .concept__keywords {
    gap: 8px 12px;
  }
  .concept__keywords li {
    font-size: 0.75rem;
    padding: 6px 14px;
  }
}

/* ========== 4. プラン ========== */
.plans {
  background-color: var(--color-bg);
}

.plan-cards {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.plans__notice {
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--color-primary-dark);
  background: var(--color-bg-warm);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 14px 20px;
  margin-bottom: 36px;
  line-height: 2;
  letter-spacing: 0.08em;
}

.plan-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.plan-card--featured {
  border-color: var(--color-primary);
}

.plan-card__badge {
  position: absolute;
  top: 0;
  right: 0;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  padding: 6px 16px;
}

.plan-card__header {
  padding: 40px 32px 32px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.plan-card__number {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
}

.plan-card__title {
  font-size: 1.125rem;
  font-weight: 500;
  line-height: 1.8;
  margin-bottom: 4px;
  color: var(--color-text);
}

.plan-card__subtitle {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.plan-card__price {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 400;
  color: var(--color-primary);
  letter-spacing: 0.05em;
}

.plan-card__yen {
  font-family: var(--font-serif);
  font-size: 0.875rem;
  font-weight: 400;
  margin-left: 2px;
}

.plan-card__body {
  padding: 32px;
}

.plan-card__desc {
  font-size: 0.875rem;
  font-weight: 300;
  line-height: 2;
  margin-bottom: 24px;
  color: var(--color-text-light);
}

.plan-card__label {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 8px;
  margin-top: 20px;
}

.plan-card__label:first-of-type {
  margin-top: 0;
}

.plan-card__list {
  padding-left: 0;
}

.plan-card__list li {
  font-size: 0.8125rem;
  font-weight: 300;
  line-height: 2;
  color: var(--color-text);
  padding-left: 16px;
  position: relative;
}

.plan-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary-light);
}

.plan-card__link {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity 0.3s ease;
}

.plan-card__link:hover {
  opacity: 0.7;
}

.plan-card__note {
  font-size: 0.8125rem;
  font-weight: 300;
  line-height: 2;
  color: var(--color-text);
}

.plan-card__footer {
  padding: 24px 32px 36px;
  text-align: center;
}

.plan-card__pw {
  display: inline-block;
  font-size: 0.8125rem;
  color: var(--color-primary-dark);
  margin-top: 16px;
  letter-spacing: 0.05em;
  background: var(--color-bg-warm);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 10px 20px;
}

.plan-card__pw-code {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.2em;
  background: var(--color-white);
  padding: 2px 16px;
  border-radius: 2px;
  border: 1px solid var(--color-primary-light);
  margin-left: 4px;
}

@media (max-width: 768px) {
  .plan-card__header {
    padding: 32px 20px 24px;
  }
  .plan-card__body {
    padding: 24px 20px;
  }
  .plan-card__footer {
    padding: 20px 20px 28px;
  }
  .plan-card__title {
    font-size: 1rem;
  }
  .plan-card__price {
    font-size: 1.75rem;
  }
}

/* ========== 5. オプション ========== */
.option {
  background-color: var(--color-bg-warm);
}

.option__card {
  max-width: 400px;
  margin: 32px auto 0;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 24px 32px;
}

.option__item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.option__name {
  font-size: 0.9375rem;
  font-weight: 400;
}

.option__price {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-primary);
}

/* ========== 6. 日程変更 ========== */
.schedule {
  background-color: var(--color-bg);
}

.schedule__card {
  max-width: 480px;
  margin: 32px auto 0;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 28px 32px;
}

.schedule__item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
}

.schedule__label {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text);
}

.schedule__value {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
}

.schedule__divider {
  height: 1px;
  background: var(--color-border);
  margin: 8px 0;
}

.schedule__note {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 16px;
  line-height: 1.8;
}

@media (max-width: 768px) {
  .schedule__card {
    padding: 20px;
  }
  .schedule__item {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}

/* ========== 7. 予約時の注意点 ========== */
.notice {
  background-color: var(--color-bg-warm);
}

.notice__block {
  margin-bottom: 40px;
}

.notice__block:last-child {
  margin-bottom: 0;
}

.notice__heading {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 20px;
  text-align: center;
  letter-spacing: 0.1em;
}

.notice__steps {
  max-width: 400px;
  margin: 0 auto;
  counter-reset: steps;
}

.notice__steps li {
  counter-increment: steps;
  font-size: 0.875rem;
  font-weight: 300;
  line-height: 2;
  padding-left: 36px;
  position: relative;
  margin-bottom: 8px;
}

.notice__steps li::before {
  content: counter(steps);
  position: absolute;
  left: 0;
  top: 0.3em;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.6875rem;
  font-weight: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0;
}

.notice__note {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 16px;
  line-height: 2;
}

.notice__list li {
  font-size: 0.8125rem;
  font-weight: 300;
  line-height: 2;
  padding-left: 16px;
  position: relative;
  margin-bottom: 4px;
}

.notice__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary-light);
}

/* ========== 8. FAQ ========== */
.faq {
  background-color: var(--color-bg);
}

.faq__list {
  max-width: 600px;
  margin: 0 auto;
}

.faq__item {
  border-bottom: 1px solid var(--color-border);
}

.faq__item:first-child {
  border-top: 1px solid var(--color-border);
}

.faq__question {
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.8;
  padding: 20px 32px 20px 0;
  cursor: pointer;
  position: relative;
  color: var(--color-text);
  letter-spacing: 0.05em;
}

.faq__question::after {
  content: '';
  position: absolute;
  right: 8px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 1px solid var(--color-text-muted);
  border-bottom: 1px solid var(--color-text-muted);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.3s ease;
}

.faq__item[open] .faq__question::after {
  transform: translateY(-30%) rotate(-135deg);
}

.faq__question::-webkit-details-marker {
  display: none;
}

.faq__question::marker {
  content: '';
}

.faq__answer {
  padding: 0 0 24px;
}

.faq__answer p {
  font-size: 0.8125rem;
  font-weight: 300;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

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

/* ========== 9. CTA ========== */
.cta {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding-top: 64px;
  padding-bottom: 64px;
}

.cta__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-align: center;
  margin-bottom: 16px;
}

.cta__text {
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 300;
  line-height: 2.2;
  margin-bottom: 36px;
  opacity: 0.9;
}

.cta__buttons {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 36px;
}

.cta__plan {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 4px;
  padding: 28px 24px;
  text-align: center;
}

.cta__plan-name {
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.cta__plan-price {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  opacity: 0.9;
}

.cta__plan .btn--primary {
  background: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

.cta__plan .btn--primary:hover {
  background: transparent;
  color: var(--color-white);
}

.cta__pw {
  font-size: 0.8125rem;
  margin-top: 12px;
  opacity: 0.9;
  letter-spacing: 0.05em;
}

.cta__pw-code {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.4);
  padding: 2px 16px;
  border-radius: 2px;
  margin-left: 4px;
}

.cta__line {
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.cta__line-text {
  font-size: 0.8125rem;
  font-weight: 300;
  line-height: 2;
  margin-bottom: 20px;
  opacity: 0.9;
}

/* ========== Footer ========== */
.footer {
  background: var(--color-bg);
  padding: 48px 24px;
  text-align: center;
}

.footer__logo {
  width: 100px;
  margin: 0 auto 16px;
  opacity: 0.6;
}

.footer__copy {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
}

/* ========== Animations ========== */

/* Hero entrance — sequential fade in */
.anim-hero {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.9s cubic-bezier(0.23, 1, 0.32, 1),
              transform 0.9s cubic-bezier(0.23, 1, 0.32, 1);
}

.anim-hero.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.anim-hero[data-delay="0"] { transition-delay: 0.2s; }
.anim-hero[data-delay="1"] { transition-delay: 0.5s; }
.anim-hero[data-delay="2"] { transition-delay: 0.8s; }
.anim-hero[data-delay="3"] { transition-delay: 1.2s; }
.anim-hero[data-delay="4"] { transition-delay: 1.6s; }

/* Scroll fade in (paragraphs, titles) */
.anim-fade {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s cubic-bezier(0.23, 1, 0.32, 1),
              transform 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

.anim-fade.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Slide up (plan cards) */
.anim-slide-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s cubic-bezier(0.23, 1, 0.32, 1),
              transform 0.9s cubic-bezier(0.23, 1, 0.32, 1);
}

.anim-slide-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* FAQ items stagger */
.faq__item {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s cubic-bezier(0.23, 1, 0.32, 1),
              transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.faq__item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Concept keywords pop in */
.concept__keywords li {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.concept__keywords.is-visible li {
  opacity: 1;
  transform: scale(1);
}

.concept__keywords.is-visible li:nth-child(1) { transition-delay: 0.1s; }
.concept__keywords.is-visible li:nth-child(2) { transition-delay: 0.2s; }
.concept__keywords.is-visible li:nth-child(3) { transition-delay: 0.3s; }
.concept__keywords.is-visible li:nth-child(4) { transition-delay: 0.4s; }
.concept__keywords.is-visible li:nth-child(5) { transition-delay: 0.5s; }

/* CTA plan cards stagger */
.cta__plan {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s cubic-bezier(0.23, 1, 0.32, 1),
              transform 0.7s cubic-bezier(0.23, 1, 0.32, 1);
}

.cta__plan.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Notice steps stagger */
.notice__steps li {
  opacity: 0;
  transform: translateX(-12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.notice__steps.is-visible li {
  opacity: 1;
  transform: translateX(0);
}

.notice__steps.is-visible li:nth-child(1) { transition-delay: 0.1s; }
.notice__steps.is-visible li:nth-child(2) { transition-delay: 0.25s; }
.notice__steps.is-visible li:nth-child(3) { transition-delay: 0.4s; }
.notice__steps.is-visible li:nth-child(4) { transition-delay: 0.55s; }

/* Button hover lift */
.btn {
  transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(196, 120, 122, 0.2);
}

/* Plan card hover */
.plan-card {
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.plan-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(74, 59, 60, 0.08);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .anim-hero,
  .anim-fade,
  .anim-slide-up,
  .faq__item,
  .concept__keywords li,
  .cta__plan,
  .notice__steps li {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .btn:hover,
  .plan-card:hover {
    transform: none;
  }
}