/* ================================================
   余白 — inward session
   Mobile-first, natural & quiet worldview
   ================================================ */

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
h1, h2, h3 { font-weight: normal; }
img { display: block; max-width: 100%; }
ul, ol { list-style: none; }
button { cursor: pointer; }
a { text-decoration: none; }

/* ===== Design Tokens ===== */
:root {
  /* Colors */
  --c-bg:          #FAFAF7;   /* base off-white */
  --c-bg-warm:     #F4EFE5;   /* cream section */
  --c-bg-green:    #EDF3EA;   /* sage-tinted section */
  --c-sage:        #7D9E7B;   /* sage accent */
  --c-sage-deep:   #4E6B4D;   /* sage for hover / strong text */
  --c-text:        #29291F;   /* warm near-black */
  --c-text-mid:    #68685A;   /* body paragraph */
  --c-text-light:  #9A9A8A;   /* captions, placeholders */
  --c-border:      #DDD8CE;   /* dividers */

  /* Typography */
  --f-serif: 'Noto Serif JP', 'Yu Mincho', 'Hiragino Mincho ProN', serif;
  --f-sans:  'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --f-en:    'Cormorant Garamond', Georgia, serif;

  /* Layout */
  --max-w:    600px;
  --pad-h:    24px;
  --sec-v:    clamp(72px, 14vw, 120px);
}

/* ===== Base ===== */
html { scroll-behavior: smooth; }

body {
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--f-sans);
  font-weight: 300;
  font-size: 15px;
  line-height: 2;
  letter-spacing: 0.06em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== Layout Helpers ===== */
.container {
  max-width: var(--max-w);
  margin-inline: auto;
}

section {
  padding-block: var(--sec-v);
  padding-inline: var(--pad-h);
}

/* ===== Common Typography ===== */
.eyebrow {
  display: block;
  font-family: var(--f-en);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.35em;
  color: var(--c-sage);
  margin-bottom: 18px;
}

.section-title {
  font-family: var(--f-serif);
  font-size: clamp(22px, 5.5vw, 28px);
  font-weight: 300;
  letter-spacing: 0.2em;
  line-height: 1.6;
  margin-bottom: 48px;
  position: relative;
  padding-bottom: 24px;
}
.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 20px;
  height: 1px;
  background: var(--c-sage);
}

/* ===== Fade-in on Scroll ===== */
.fade-in {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
/* stagger children */
.fade-in:nth-child(2) { transition-delay: 0.08s; }
.fade-in:nth-child(3) { transition-delay: 0.16s; }
.fade-in:nth-child(4) { transition-delay: 0.24s; }

/* ===== Leaf Decoration ===== */
.leaf-deco {
  display: block;
  margin-inline: auto;
  margin-bottom: 36px;
  opacity: 0.55;
}

/* ================================================
   Navigation
   ================================================ */
.nav {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px var(--pad-h);
  transition: background 0.4s, box-shadow 0.4s;
}
.nav.scrolled {
  background: rgba(250, 250, 247, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--c-border);
}

.nav__logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
  text-decoration: none;
}
.nav__logo-jp {
  font-family: var(--f-serif);
  font-size: 16px;
  font-weight: 300;
  letter-spacing: 0.22em;
  color: var(--c-text);
  line-height: 1;
}
.nav__logo-en {
  font-family: var(--f-en);
  font-style: italic;
  font-size: 9.5px;
  letter-spacing: 0.32em;
  color: var(--c-sage);
  line-height: 1;
}

/* Hamburger */
.nav__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 4px;
  background: none;
  border: none;
  z-index: 210;
  position: relative;
}
.nav__toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--c-text);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav__toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Fullscreen mobile menu */
.nav__menu {
  position: fixed;
  inset: 0;
  background: rgba(250, 250, 247, 0.98);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 44px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  z-index: 205;
}
.nav__menu.open {
  opacity: 1;
  pointer-events: auto;
}
.nav__menu a {
  font-family: var(--f-serif);
  font-size: 20px;
  letter-spacing: 0.25em;
  color: var(--c-text);
}

/* Desktop nav */
@media (min-width: 768px) {
  .nav__toggle { display: none; }
  .nav__menu {
    position: static;
    background: none;
    flex-direction: row;
    gap: 36px;
    opacity: 1;
    pointer-events: auto;
    transition: none;
  }
  .nav__menu a {
    font-size: 13px;
    letter-spacing: 0.15em;
    color: var(--c-text-mid);
    transition: color 0.25s;
  }
  .nav__menu a:hover { color: var(--c-sage); }
}

/* ================================================
   Hero
   ================================================ */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: 100px 80px;
  padding-inline: var(--pad-h);
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 60% 50% at 15% 55%, rgba(170, 208, 168, 0.18) 0%, transparent 100%),
    radial-gradient(ellipse 55% 45% at 85% 20%, rgba(228, 218, 202, 0.25) 0%, transparent 100%),
    var(--c-bg);
}

/* subtle bokeh circles */
.hero::before,
.hero::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.hero::before {
  width: 300px;
  height: 300px;
  bottom: -80px;
  right: -60px;
  background: radial-gradient(circle, rgba(165, 200, 163, 0.12) 0%, transparent 70%);
}
.hero::after {
  width: 200px;
  height: 200px;
  top: 80px;
  left: -40px;
  background: radial-gradient(circle, rgba(220, 210, 192, 0.15) 0%, transparent 70%);
}

.hero__inner {
  max-width: var(--max-w);
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

.hero__en {
  display: block;
  font-family: var(--f-en);
  font-style: italic;
  font-size: clamp(11px, 2.8vw, 13px);
  letter-spacing: 0.4em;
  color: var(--c-sage);
  margin-bottom: 28px;
}

.hero__title {
  font-family: var(--f-serif);
  font-size: clamp(26px, 8vw, 46px);
  font-weight: 300;
  line-height: 1.7;
  letter-spacing: 0.06em;
  margin-bottom: 36px;
  color: var(--c-text);
}
.hero__title em {
  font-style: normal;
  color: var(--c-sage-deep);
}

.hero__sub {
  font-size: clamp(13.5px, 3.8vw, 15px);
  line-height: 2.3;
  color: var(--c-text-mid);
  margin-bottom: 52px;
  letter-spacing: 0.08em;
}

.hero__cta {
  display: inline-block;
  padding: 15px 38px;
  border: 1px solid var(--c-sage);
  color: var(--c-sage-deep);
  font-family: var(--f-serif);
  font-size: 14px;
  letter-spacing: 0.22em;
  transition: background 0.3s, color 0.3s;
}
.hero__cta:hover,
.hero__cta:focus-visible {
  background: var(--c-sage);
  color: #fff;
  outline: none;
}

/* Animated scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-family: var(--f-en);
  font-size: 9px;
  letter-spacing: 0.35em;
  color: var(--c-text-light);
}
.hero__scroll::after {
  content: '';
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--c-text-light), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%   { opacity: 0; transform: scaleY(0.3); transform-origin: top; }
  50%  { opacity: 1; transform: scaleY(1);   transform-origin: top; }
  100% { opacity: 0; transform: scaleY(1);   transform-origin: bottom; }
}

/* ================================================
   想い
   ================================================ */
.omoi {
  background: var(--c-bg-warm);
  text-align: center;
}
.omoi .section-title { margin-inline: auto; }
.omoi .section-title::after { left: 50%; transform: translateX(-50%); }

.omoi__body {
  font-size: clamp(14px, 3.8vw, 15px);
  line-height: 2.5;
  color: var(--c-text-mid);
  text-align: left;
}
.omoi__body p + p { margin-top: 1.8em; }
.omoi__body--em {
  font-family: var(--f-serif);
  font-size: clamp(14.5px, 4vw, 16px);
  color: var(--c-text);
  letter-spacing: 0.1em;
  line-height: 2.2;
  padding: 1.6em 0;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  margin-block: 0.5em;
}

/* ================================================
   共鳴（Hero直下・タイトルなし）
   ================================================ */
.resonance {
  background: var(--c-bg);
  padding-block: clamp(80px, 16vw, 136px);
  padding-inline: var(--pad-h);
  text-align: center;
}

.resonance__body {
  max-width: 480px;
  margin-inline: auto;
}

.resonance__q {
  font-family: var(--f-serif);
  font-size: clamp(14px, 3.8vw, 16px);
  font-weight: 300;
  letter-spacing: 0.1em;
  line-height: 2;
  color: var(--c-text-mid);
  margin-bottom: clamp(2em, 5vw, 3em);
}

.resonance__close {
  font-family: var(--f-serif);
  font-size: clamp(14px, 4vw, 16px);
  font-weight: 300;
  letter-spacing: 0.1em;
  line-height: 2.2;
  color: var(--c-text);
  border-top: 1px solid var(--c-border);
  padding-top: clamp(2em, 5vw, 3em);
}

/* ================================================
   写真ブレイク（セクション間の全幅写真）
   ================================================ */
.photo-break {
  width: 100%;
  height: clamp(200px, 45vw, 320px);
  overflow: hidden;
  position: relative;
  display: block;
}
.photo-break img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
/* 写真が入る前の仮表示 */
.photo-break__placeholder {
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse at 30% 60%, rgba(165, 200, 163, 0.25) 0%, transparent 65%),
    radial-gradient(ellipse at 75% 30%, rgba(228, 218, 202, 0.3) 0%, transparent 60%),
    var(--c-bg-warm);
}

/* ================================================
   わたしについて
   ================================================ */
.about-me {
  background: var(--c-bg);
  /* container は内部で分割して使用 */
  padding-block: var(--sec-v);
  padding-inline: 0; /* 写真を全幅にするためサイドpaddingはゼロ */
}
/* eyebrow・title 部分はpaddingを戻す */
.about-me > .container:first-child {
  padding-inline: var(--pad-h);
  max-width: var(--max-w);
}
/* テキスト・署名部分もpaddingを戻す */
.about-me > .container:last-child {
  padding-inline: var(--pad-h);
  max-width: var(--max-w);
}

/* 全幅ライフスタイル写真 */
.about-me__image-wrap {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  margin-bottom: clamp(40px, 8vw, 64px);
}
.about-me__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
/* 写真が入る前の仮表示 */
.about-me__image-placeholder {
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse at 60% 40%, rgba(165, 200, 163, 0.2) 0%, transparent 65%),
    radial-gradient(ellipse at 20% 70%, rgba(228, 218, 202, 0.3) 0%, transparent 60%),
    var(--c-bg-warm);
}

.about-me__body {
  font-size: clamp(14px, 3.8vw, 15px);
  line-height: 2.5;
  color: var(--c-text-mid);
}
.about-me__body p + p { margin-top: 1.8em; }

.about-me__sign {
  margin-top: 44px;
  font-family: var(--f-en);
  font-style: italic;
  font-size: 15px;
  letter-spacing: 0.2em;
  color: var(--c-text-light);
}

/* ================================================
   このセッションで起きること
   ================================================ */
.outcomes {
  background: var(--c-bg-green);
}

.outcomes__lead {
  font-family: var(--f-serif);
  font-size: clamp(14px, 3.8vw, 15px);
  font-weight: 300;
  line-height: 2.4;
  letter-spacing: 0.08em;
  color: var(--c-text);
  margin-bottom: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--c-border);
}

.outcomes__list {
  display: flex;
  flex-direction: column;
  margin-bottom: 0;
}

.outcomes__item {
  padding-block: clamp(28px, 6vw, 40px);
  border-bottom: 1px solid var(--c-border);
  font-family: var(--f-serif);
  font-size: clamp(15px, 4.2vw, 17px);
  font-weight: 300;
  line-height: 2;
  letter-spacing: 0.08em;
  color: var(--c-text);
}
.outcomes__item:first-child { border-top: 1px solid var(--c-border); }
.outcomes__item em {
  font-style: normal;
  color: var(--c-sage-deep);
}

.outcomes__note {
  font-size: clamp(13px, 3.5vw, 14px);
  line-height: 2.3;
  color: var(--c-text-mid);
  letter-spacing: 0.08em;
}

.outcomes__prose {
  font-family: var(--f-serif);
  font-size: clamp(14px, 3.8vw, 15px);
  font-weight: 300;
  line-height: 2.4;
  letter-spacing: 0.08em;
  color: var(--c-text);
}
.outcomes__prose p {
  margin-bottom: 2.6em;
}
.outcomes__prose p:last-child {
  margin-bottom: 0;
}
.outcomes__prose--close {
  color: var(--c-sage-deep);
  letter-spacing: 0.16em;
  margin-top: 0.6em;
}

/* ================================================
   セッションについて
   ================================================ */
.session {
  background: var(--c-bg-warm);
}

.session__intro {
  font-size: clamp(14px, 3.8vw, 15px);
  line-height: 2.5;
  color: var(--c-text-mid);
  margin-bottom: 56px;
}
.session__intro p + p { margin-top: 1.6em; }

.session__flow-label {
  font-family: var(--f-en);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.35em;
  color: var(--c-sage);
  margin-bottom: 20px;
}

.session__steps { display: flex; flex-direction: column; }

.session__step {
  display: flex;
  gap: 22px;
  padding-block: 26px;
  border-bottom: 1px solid var(--c-border);
}
.session__step:first-child { border-top: 1px solid var(--c-border); }

.session__step-num {
  font-family: var(--f-en);
  font-weight: 300;
  font-size: 26px;
  color: var(--c-sage);
  line-height: 1;
  padding-top: 3px;
  min-width: 30px;
  flex-shrink: 0;
}

.session__step-title {
  display: block;
  font-family: var(--f-serif);
  font-size: 15px;
  letter-spacing: 0.1em;
  color: var(--c-text);
  margin-bottom: 8px;
}
.session__step-desc {
  font-size: 13px;
  line-height: 2;
  color: var(--c-text-mid);
}

/* ================================================
   料金
   ================================================ */
.price {
  background: var(--c-bg);
}

.price__card {
  border: 1px solid var(--c-border);
  background: var(--c-bg);
  padding: 48px 28px;
  text-align: center;
}

.price__label {
  font-family: var(--f-serif);
  font-size: 16px;
  letter-spacing: 0.18em;
  color: var(--c-text);
  margin-bottom: 6px;
}
.price__session-note {
  font-size: 13px;
  line-height: 2;
  color: var(--c-text-mid);
  letter-spacing: 0.06em;
  margin-bottom: 24px;
}

.price__duration {
  display: block;
  font-family: var(--f-en);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--c-sage);
  margin-bottom: 32px;
}
.price__amount {
  font-family: var(--f-en);
  font-weight: 300;
  font-size: clamp(48px, 12vw, 60px);
  line-height: 1;
  color: var(--c-text);
  margin-bottom: 6px;
}
.price__tax {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-text-light);
  margin-bottom: 36px;
}

.price__notes {
  text-align: left;
  border-top: 1px solid var(--c-border);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.price__notes li {
  font-size: 13px;
  line-height: 1.9;
  color: var(--c-text-mid);
  padding-left: 16px;
  position: relative;
}
.price__notes li::before {
  content: '·';
  position: absolute;
  left: 4px;
  color: var(--c-sage);
  font-size: 18px;
  line-height: 1.4;
}

/* ================================================
   ご予約
   ================================================ */
.reserve {
  background: var(--c-bg-warm);
}

.reserve__lead {
  font-size: clamp(14px, 3.8vw, 15px);
  line-height: 2.5;
  color: var(--c-text-mid);
  margin-bottom: 52px;
}

/* Form */
.form { display: flex; flex-direction: column; gap: 36px; }

.form__field { display: flex; flex-direction: column; gap: 10px; }

.form__label {
  font-family: var(--f-serif);
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--c-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge {
  font-family: var(--f-sans);
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: 2px;
}
.badge--req { background: var(--c-bg-green); color: var(--c-sage-deep); }
.badge--opt { background: #F0EDE8; color: var(--c-text-light); }

.form__input,
.form__textarea {
  width: 100%;
  padding: 14px 0;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--c-border);
  font-family: var(--f-sans);
  font-size: 15px;
  font-weight: 300;
  color: var(--c-text);
  letter-spacing: 0.06em;
  outline: none;
  transition: border-color 0.3s;
  border-radius: 0;
  -webkit-appearance: none;
}
.form__input::placeholder,
.form__textarea::placeholder { color: var(--c-text-light); }
.form__input:focus,
.form__textarea:focus { border-color: var(--c-sage); }
.form__input.invalid,
.form__textarea.invalid { border-color: #C08080; }

.form__textarea {
  resize: vertical;
  min-height: 110px;
  line-height: 2;
}

.form__err {
  font-size: 12px;
  color: #A06060;
  letter-spacing: 0.05em;
  display: none;
}
.show-err .form__err { display: block; }

.form__submit {
  margin-top: 8px;
  padding: 18px;
  background: none;
  border: 1px solid var(--c-sage);
  color: var(--c-sage-deep);
  font-family: var(--f-serif);
  font-size: 15px;
  letter-spacing: 0.3em;
  transition: background 0.3s, color 0.3s;
  width: 100%;
}
.form__submit:hover,
.form__submit:focus-visible {
  background: var(--c-sage);
  color: #fff;
  outline: none;
}
.form__submit:disabled {
  opacity: 0.5;
  cursor: default;
}

/* Thanks state */
.form__thanks {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding-block: 48px;
  text-align: center;
}
.form__thanks:not([hidden]) { display: flex; }

.form__thanks p {
  font-family: var(--f-serif);
  font-size: 17px;
  letter-spacing: 0.15em;
  color: var(--c-text);
}
.form__thanks small {
  font-size: 13px;
  line-height: 2.2;
  color: var(--c-text-mid);
}

/* ================================================
   Footer
   ================================================ */
.footer {
  padding-block: 48px;
  padding-inline: var(--pad-h);
  background: var(--c-bg);
  border-top: 1px solid var(--c-border);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}
.footer__name {
  font-family: var(--f-serif);
  font-size: 16px;
  font-weight: 300;
  letter-spacing: 0.22em;
  color: var(--c-text);
}
.footer__name-en {
  font-family: var(--f-en);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.25em;
  color: var(--c-sage);
}
.footer__copy {
  font-family: var(--f-en);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--c-text-light);
}

/* ================================================
   Desktop refinements
   ================================================ */
@media (min-width: 768px) {
  .hero {
    padding-inline: clamp(24px, 8vw, 80px);
  }
  section {
    padding-inline: clamp(24px, 8vw, 80px);
  }
  .footer {
    padding-inline: clamp(24px, 8vw, 80px);
  }
}