/* =========================================================
   Tressaillir / トレサイーユ  —  site styles
   世界観: 静けさの中に、研ぎ澄まされた知覚と、媚びない自由。
   和紙・古木・白磁・リネン・月光。凪。
   ========================================================= */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
img, picture, svg { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ---------- Tokens ---------- */
:root {
  --paper:       #FBFAF6;   /* 白磁の白 */
  --paper-warm:  #F4EEE3;   /* 和紙・リネン */
  --paper-warm2: #ECE3D3;   /* 古木寄りの温かみ */
  --paper-blue:  #EEF3F6;   /* 夜明け前の空 */

  --ink:      #25323D;      /* 夜明け前の藍 — 見出し */
  --ink-soft: #45515C;      /* 本文 */
  --ink-mute: #7A8590;      /* 補足 */

  --line:      #DCD6C8;     /* 温かい地の罫 */
  --line-blue: #CBD9E1;

  --blue-light: #6FBCDE;
  --blue:       #2E78AF;
  --blue-deep:  #1C4E82;
  --blue-ink:   #14375B;

  --terracotta: #BE5731;    /* 芯のある暖色（挿し色） */
  --terracotta-soft: #E7CBBB;

  --shadow-soft: 0 18px 50px -24px rgba(20, 55, 91, 0.28);
  --shadow-card: 0 12px 40px -20px rgba(37, 50, 61, 0.25);

  --maxw: 1160px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 4px;

  --font-display: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --font-body: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --font-latin: "Cormorant", "Shippori Mincho", serif;
}

/* ---------- Base ---------- */
body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--ink-soft);
  background-color: var(--paper);
  line-height: 2;
  letter-spacing: 0.04em;
  font-feature-settings: "palt" 1;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* 日本語は文節単位で折り返す（auto-phrase 非対応ブラウザは normal にフォールバック）。
   禁則処理（行頭の 、。」 など）は line-break: strict に任せる。 */
p, li, dd, dt, figcaption, blockquote, .lead, .catch, h1, h2, h3, h4 {
  word-break: normal;
  word-break: auto-phrase;
  overflow-wrap: anywhere;
  line-break: strict;
}
.nb { white-space: nowrap; }
/* 任意改行: PC幅でのみ効かせ、狭い画面ではブラウザの折返しに任せる */
br.pc-br { display: inline; }
@media (max-width: 680px) { br.pc-br { display: none; } }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: 0.06em;
}
.eyebrow {
  font-family: var(--font-latin);
  font-size: 0.82rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--blue-deep);
  display: inline-flex;
  align-items: center;
  gap: 0.9em;
  font-weight: 600;
}
.eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: linear-gradient(90deg, var(--blue-light), var(--blue-deep));
}
.section-title {
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  margin: 0.5em 0 0.2em;
}
.section-title .sub {
  display: block;
  font-family: var(--font-latin);
  font-style: italic;
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  color: var(--ink-mute);
  margin-top: 0.6em;
}
.lead {
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  color: var(--ink-soft);
}

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.wrap--narrow { max-width: 760px; }
.wrap--wide { max-width: 1320px; }
section { position: relative; }
.section { padding-block: clamp(64px, 11vw, 140px); }
.section--warm { background: var(--paper-warm); }
.section--warm2 { background: var(--paper-warm2); }
.section--blue { background: var(--paper-blue); }
.section--ink { background: var(--blue-ink); color: #E9EEF2; }
.section--ink h1, .section--ink h2, .section--ink h3 { color: #FBFAF6; }
.section--ink .eyebrow { color: var(--blue-light); }
.section--ink .eyebrow::before { background: linear-gradient(90deg, transparent, var(--blue-light)); }

.grain::after {
  content: "";
  position: absolute; inset: 0;
  pointer-events: none;
  opacity: 0.5;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
}

/* watercolor bleed accent */
.bleed {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}
.bleed--blue { background: radial-gradient(circle at 30% 30%, rgba(111,188,222,0.55), transparent 70%); }
.bleed--warm { background: radial-gradient(circle at 30% 30%, rgba(190,87,49,0.28), transparent 70%); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 250, 246, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s ease, background 0.4s ease;
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(251, 250, 246, 0.94);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 82px;
}
.brand {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.28rem;
  flex-shrink: 0;
  line-height: 1;
}
.brand__logo {
  width: clamp(126px, 15vw, 164px);
  height: auto;
}
.brand__jp {
  align-self: center;
  font-family: var(--font-body);
  font-size: 0.62rem;
  letter-spacing: 0.34em;
  color: var(--ink-mute);
  /* 字送りで生じる右側の余白を相殺して、ロゴの真下で見た目中央に */
  margin-right: -0.34em;
}
.nav__list {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.4vw, 2.3rem);
}
.nav__link {
  position: relative;
  font-size: 0.92rem;
  letter-spacing: 0.1em;
  color: var(--ink);
  padding-block: 0.4rem;
  transition: color 0.3s ease;
  white-space: nowrap;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--blue-deep);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.1, 1);
}
.nav__link:hover, .nav__link[aria-current="page"] { color: var(--blue-deep); }
.nav__link:hover::after, .nav__link[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }

.btn {
  --btn-bg: var(--blue-deep);
  --btn-fg: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7em;
  padding: 0.95em 1.9em;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  border: 1px solid var(--btn-bg);
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.35s ease, box-shadow 0.35s ease, background 0.35s ease, color 0.35s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-soft); }
.btn:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
.btn--ghost { --btn-bg: transparent; --btn-fg: var(--ink); border-color: var(--line); }
.btn--ghost:hover { --btn-fg: var(--blue-deep); border-color: var(--blue-deep); }
.btn--light { --btn-bg: #fff; --btn-fg: var(--blue-ink); border-color: #fff; }
.btn--sm { padding: 0.7em 1.4em; font-size: 0.82rem; }
/* 横幅いっぱい＋長いラベル用。丸ピルだと両端の丸みに文字が詰まるため、
   角丸を控えめにし、inline-flex をやめて折り返しを許可、上下パディングを厚めにする。 */
.btn--wide {
  display: block;
  width: 100%;
  white-space: normal;
  border-radius: var(--radius);
  padding-block: 1.15em;
  line-height: 1.75;
  text-align: center;
}
.nav__cta { flex-shrink: 0; }

.nav__toggle {
  display: none;
  width: 44px; height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
}
/* 3本線: いずれも 24px 幅・2px 太さで、ボタン中央にそろえる。
   span は .nav__toggle 基準、::before/::after は span 基準なので、
   同じ left:50% / margin-left:-12px で3本とも同じ位置に重なる。 */
.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 24px; height: 2px;
  margin-left: -12px;
  background: var(--ink);
  border-radius: 1px;
  transition: transform 0.35s ease, opacity 0.2s ease;
}
.nav__toggle span { top: 50%; margin-top: -1px; }
.nav__toggle span::before { top: -7px; }
.nav__toggle span::after { top: 7px; }
.nav__toggle[aria-expanded="true"] span { background: transparent; }
.nav__toggle[aria-expanded="true"] span::before { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span::after { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}
.hero__media {
  position: relative;
  width: 100%;
  aspect-ratio: 1774 / 887;
  overflow: hidden;
  background: var(--paper-warm);
}
.hero__media img {
  width: 100%; height: 100%;
  object-fit: contain;
  object-position: center;
  animation: heroFade 1.4s ease-out both;
}
@keyframes heroFade {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.hero__caption {
  background: var(--paper);
  padding-block: clamp(36px, 7vw, 76px);
  text-align: center;
}
.hero__caption .catch {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--ink);
  font-size: clamp(1.5rem, 4.4vw, 2.7rem);
  line-height: 1.9;
  letter-spacing: 0.08em;
}
.hero__caption .catch em {
  font-style: normal;
  color: var(--blue-deep);
  background: linear-gradient(transparent 62%, rgba(111,188,222,0.28) 62%);
}
.hero__caption .pre {
  display: block;
  font-size: clamp(0.86rem, 1.8vw, 1rem);
  letter-spacing: 0.18em;
  color: var(--ink-mute);
  margin-bottom: 1.4em;
}
.hero__caption .post {
  margin-top: 1.8em;
  color: var(--ink-soft);
  font-size: clamp(0.9rem, 1.6vw, 1.02rem);
}
.hero__cta { margin-top: 2.4em; display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* generic page hero (sub pages) */
.page-hero {
  padding-block: clamp(70px, 12vw, 150px) clamp(40px, 7vw, 80px);
  background: var(--paper-warm);
  position: relative;
  overflow: hidden;
}
.page-hero h1 {
  font-size: clamp(1.9rem, 5vw, 3rem);
  letter-spacing: 0.08em;
}
.page-hero .eyebrow { margin-bottom: 1.1em; }
.page-hero p { margin-top: 1.2em; max-width: 46ch; color: var(--ink-soft); }

/* breadcrumb */
.crumb {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--ink-mute);
  padding-block: 1.1rem;
  border-bottom: 1px solid var(--line);
}
.crumb ol { display: flex; flex-wrap: wrap; gap: 0.5em; }
.crumb li::after { content: "／"; margin-left: 0.5em; color: var(--line); }
.crumb li:last-child::after { content: none; }
.crumb a:hover { color: var(--blue-deep); }

/* ---------- Ornamental divider (hero の飾り罫を反映) ---------- */
.divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  margin: 0 auto;
  color: var(--blue);
  max-width: 340px;
}
.divider::before, .divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, currentColor, transparent);
  opacity: 0.5;
}
.divider svg { width: 30px; flex-shrink: 0; opacity: 0.85; }

/* ---------- Prose ---------- */
.prose > * + * { margin-top: 1.6em; }
.prose h2 {
  font-size: clamp(1.3rem, 2.8vw, 1.7rem);
  margin-top: 2.4em;
  padding-bottom: 0.5em;
  border-bottom: 1px solid var(--line);
  letter-spacing: 0.08em;
}
.prose h3 {
  font-size: clamp(1.08rem, 2vw, 1.28rem);
  margin-top: 2em;
  color: var(--blue-deep);
}
.prose p { color: var(--ink-soft); }
.prose strong { color: var(--ink); font-weight: 700; }
.prose ul { margin-left: 0; }
.prose ul li {
  position: relative;
  padding-left: 1.6em;
  margin-top: 0.7em;
}
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.85em;
  width: 7px; height: 7px;
  border: 1px solid var(--blue);
  transform: rotate(45deg);
}
.prose .pull {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  color: var(--ink);
  line-height: 1.9;
  letter-spacing: 0.06em;
  padding: 1.2em 0 1.2em 1.2em;
  border-left: 2px solid var(--blue);
  margin-block: 2em;
}

/* ---------- Grid helpers ---------- */
.grid { display: grid; gap: clamp(28px, 4vw, 56px); }
.grid > * { min-width: 0; }
@media (min-width: 760px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--split { grid-template-columns: 1fr 1fr; align-items: center; }
  .grid--split-40 { grid-template-columns: 0.8fr 1.2fr; align-items: center; }
}

/* ---------- Cards ---------- */
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.6rem, 3vw, 2.4rem);
  position: relative;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.card__num {
  font-family: var(--font-latin);
  font-size: 2.4rem;
  font-weight: 500;
  font-style: italic;
  color: var(--blue-light);
  line-height: 1;
}
.card h3 { margin: 0.6em 0 0.4em; font-size: 1.15rem; }
.card p { font-size: 0.94rem; color: var(--ink-soft); }

.worry-list { display: grid; gap: 1.1rem; }
.worry {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.3rem 1.5rem;
  background: rgba(255,255,255,0.6);
  border: 1px solid var(--line-blue);
  border-radius: 999px 999px 999px 4px;
}
.worry::before {
  content: "“";
  font-family: var(--font-latin);
  font-size: 2.4rem;
  line-height: 0.6;
  color: var(--blue-light);
  flex-shrink: 0;
}
.worry p { font-size: 0.98rem; color: var(--ink); }

/* figure with frame */
.framed {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}
.framed img { width: 100%; object-fit: cover; }
.framed--tall img { aspect-ratio: 4 / 5; }
.framed figcaption {
  position: absolute;
  left: 0; bottom: 0;
  padding: 0.6em 1.1em;
  background: rgba(20,55,91,0.72);
  color: #fff;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
}
.figure-offset { position: relative; }
.figure-offset::before {
  content: "";
  position: absolute;
  inset: 18px -18px -18px 18px;
  border: 1px solid var(--blue-light);
  border-radius: var(--radius);
  z-index: -1;
}

/* ---------- Timeline (profile) ---------- */
.timeline { position: relative; margin-top: 2rem; }
.timeline::before {
  content: "";
  position: absolute;
  left: 6px; top: 6px; bottom: 6px;
  width: 1px;
  background: linear-gradient(var(--blue-light), var(--blue-deep));
}
.timeline li {
  position: relative;
  padding-left: 2.4rem;
  padding-bottom: 2.2rem;
}
.timeline li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.7em;
  width: 13px; height: 13px;
  background: var(--paper);
  border: 1px solid var(--blue-deep);
  border-radius: 50%;
}
.timeline .yr {
  font-family: var(--font-latin);
  font-style: italic;
  font-weight: 600;
  color: var(--blue-deep);
  letter-spacing: 0.1em;
  font-size: 1.05rem;
}
.timeline p { font-size: 0.95rem; margin-top: 0.3em; }

/* ---------- Price ---------- */
.price-grid { display: grid; gap: clamp(24px, 3vw, 40px); }
@media (min-width: 720px) { .price-grid { grid-template-columns: repeat(2, 1fr); } }
.price {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.8rem, 3.4vw, 2.8rem);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.price--feature { border-color: var(--blue-deep); box-shadow: var(--shadow-card); }
.price__tag {
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--terracotta);
  text-transform: uppercase;
  font-family: var(--font-latin);
  font-weight: 600;
}
.price h3 { font-size: 1.2rem; }
.price .amount {
  font-family: var(--font-latin);
  font-size: clamp(2rem, 5vw, 2.8rem);
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.02em;
  margin-top: 0.2em;
}
.price .amount small { font-size: 0.9rem; color: var(--ink-mute); letter-spacing: 0.1em; }
.price .note { font-size: 0.86rem; color: var(--ink-mute); }
.price ul { margin-top: 0.8rem; display: grid; gap: 0.5rem; }
.price ul li { position: relative; padding-left: 1.4em; font-size: 0.9rem; }
.price ul li::before {
  content: "";
  position: absolute; left: 0; top: 0.85em;
  width: 6px; height: 6px; background: var(--blue); transform: rotate(45deg);
}

/* ---------- Steps ---------- */
.steps { counter-reset: step; display: grid; gap: 1.4rem; }
.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.4rem;
  align-items: start;
  padding: 1.6rem;
  background: rgba(255,255,255,0.55);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-latin);
  font-style: italic;
  font-size: 1.7rem;
  font-weight: 600;
  color: var(--blue-light);
  line-height: 1;
}
.step h3 { font-size: 1.08rem; margin-bottom: 0.3em; }
.step p { font-size: 0.92rem; }

/* ---------- Testimonial ---------- */
.testimonial {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.8rem, 5vw, 3.6rem);
  position: relative;
}
.testimonial::before {
  content: "“";
  position: absolute;
  top: 0.1em; left: 0.3em;
  font-family: var(--font-latin);
  font-size: 6rem;
  color: var(--blue-light);
  opacity: 0.4;
  line-height: 1;
}
.testimonial__body { position: relative; }
.testimonial__body p { color: var(--ink-soft); font-size: 0.88rem; line-height: 1.95; }
.testimonial__body p + p { margin-top: 1.1em; }
.testimonial__body .section-title { font-size: clamp(1.4rem, 3vw, 1.9rem); }
.testimonial__body .section-title .sub { font-size: 0.8rem; }
.quote-full p:first-child { margin-top: 0; }
.testimonial__meta {
  margin-top: 1.8em;
  padding-top: 1.2em;
  border-top: 1px solid var(--line);
  font-size: 0.86rem;
  letter-spacing: 0.14em;
  color: var(--ink-mute);
}
.testimonial__meta strong { color: var(--ink); font-family: var(--font-display); font-size: 1rem; }

/* ---------- お客様の声（フォーム回答） ---------- */
.voices { display: grid; gap: clamp(1.4rem, 3vw, 2.2rem); }
.voice {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.6rem, 3.6vw, 2.6rem);
}
.voice__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.2em 0.8em;
  padding-bottom: 0.9rem;
  margin-bottom: 1.4rem;
  border-bottom: 1px solid var(--line);
}
.voice__name {
  position: relative;
  padding-left: 0.95em;
  font-family: var(--font-display);
  color: var(--ink);
  font-size: 1.05rem;
  letter-spacing: 0.06em;
}
.voice__name::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.2em;
  bottom: 0.2em;
  width: 3px;
  background: var(--blue-light);
}
.voice__tag { font-size: 0.78rem; color: var(--ink-mute); letter-spacing: 0.1em; }
.voice__body > * + * { margin-top: 1.3em; }
.voice__body p { font-size: 0.92rem; color: var(--ink-soft); line-height: 1.95; }
.voice__body ul { display: grid; gap: 0.4rem; }
.voice__body li {
  position: relative;
  padding-left: 1.4em;
  font-size: 0.92rem;
  color: var(--ink-soft);
}
.voice__body li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.85em;
  width: 6px; height: 6px;
  border: 1px solid var(--blue);
  transform: rotate(45deg);
}
.voice__q {
  font-family: var(--font-latin);
  font-style: italic;
  font-weight: 600;
  color: var(--blue-deep);
  letter-spacing: 0.06em;
  font-size: 0.9rem;
}
.voice__q + * { margin-top: 0.5em; }

/* 長文の畳み込み（main.js の [data-expand] トグルを利用） */
.readmore { position: relative; max-height: 12em; overflow: hidden; }
.readmore::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 5em;
  background: linear-gradient(transparent, var(--paper));
  pointer-events: none;
}
.readmore.is-open { max-height: none; }
.readmore.is-open::after { content: none; }
.readmore-btn {
  margin-top: 1.3rem;
  background: none;
  border: none;
  padding: 0.4em 0;
  cursor: pointer;
  font-family: var(--font-latin);
  font-style: italic;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--blue-deep);
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
}
.readmore-btn::after {
  content: "";
  width: 8px; height: 8px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.3s ease;
}
.readmore-btn[aria-expanded="true"]::after { transform: rotate(-135deg); }
.readmore-btn:hover { color: var(--blue); }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 0.9rem; }
.faq details {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq summary {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.3rem 1.6rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  color: var(--ink);
  font-size: 1.02rem;
  letter-spacing: 0.04em;
  transition: background 0.3s ease;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before {
  content: "Q";
  font-family: var(--font-latin);
  font-style: italic;
  font-weight: 600;
  color: var(--blue-deep);
  flex-shrink: 0;
}
.faq summary::after {
  content: "";
  margin-left: auto;
  flex-shrink: 0;
  width: 12px; height: 12px;
  border-right: 1px solid var(--ink-mute);
  border-bottom: 1px solid var(--ink-mute);
  transform: rotate(45deg);
  transition: transform 0.3s ease;
  margin-top: 0.35em;
}
.faq details[open] summary::after { transform: rotate(-135deg); }
.faq summary:hover { background: var(--paper-warm); }
.faq__a {
  padding: 0 1.6rem 1.5rem 3.2rem;
  font-size: 0.94rem;
  color: var(--ink-soft);
}
.faq__a p + p { margin-top: 0.9em; }

/* ---------- Coming soon ---------- */
.coming { text-align: center; }
.coming__word {
  display: inline-block;
  font-family: var(--font-latin);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(2.6rem, 9vw, 5rem);
  line-height: 1.35;
  padding: 0.08em 0.12em 0.18em;
  letter-spacing: 0.04em;
  color: var(--blue-deep);
  background: linear-gradient(90deg, var(--blue-light), var(--blue-deep));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.coming__jp {
  margin-top: 1.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  letter-spacing: 0.14em;
  color: var(--ink);
}
.coming p.note { margin-top: 1rem; color: var(--ink-mute); font-size: 0.92rem; }
.coming .divider { margin-block: 2.4rem; }

/* ---------- CTA band ---------- */
.cta-band { text-align: center; overflow: hidden; }
.cta-band .catch {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.6vw, 2.1rem);
  color: #fff;
  line-height: 1.9;
  letter-spacing: 0.08em;
}
.cta-band p { margin-top: 1em; color: rgba(233,238,242,0.8); font-size: 0.95rem; }
.cta-band .hero__cta { margin-top: 2em; }

/* ---------- Forms ---------- */
.form { display: grid; gap: 1.5rem; }
.field { display: grid; gap: 0.5rem; }
.field label {
  font-size: 0.86rem;
  letter-spacing: 0.1em;
  color: var(--ink);
  font-weight: 500;
}
.field .req { color: var(--terracotta); font-size: 0.76rem; margin-left: 0.5em; letter-spacing: 0.1em; }
.field .opt { color: var(--ink-mute); font-size: 0.76rem; margin-left: 0.5em; letter-spacing: 0.1em; }
.field input, .field textarea, .field select {
  width: 100%;
  padding: 0.85em 1em;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  line-height: 1.7;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(46,120,175,0.15);
}
.field textarea { min-height: 160px; resize: vertical; }
.check {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  font-size: 0.88rem;
  color: var(--ink-soft);
}
.check input { margin-top: 0.4em; flex-shrink: 0; width: 16px; height: 16px; accent-color: var(--blue-deep); }
.check a { color: var(--blue-deep); text-decoration: underline; text-underline-offset: 3px; }
.form-note {
  font-size: 0.84rem;
  color: var(--ink-mute);
  background: var(--paper-warm);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
}

/* alt contact */
.contact-alt { display: grid; gap: 1rem; }
.contact-alt a {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1.1rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  transition: border-color 0.3s ease, transform 0.3s ease;
  font-size: 0.92rem;
}
.contact-alt a:hover { border-color: var(--blue-deep); transform: translateX(3px); }
.contact-alt .k {
  font-family: var(--font-latin);
  font-style: italic;
  font-weight: 600;
  color: var(--blue-deep);
  letter-spacing: 0.08em;
  min-width: 5.5em;
}

/* ---------- Definition table (特商法・運営者情報) ---------- */
.spec {
  width: 100%;
  border-collapse: collapse;
  border-top: 1px solid var(--line);
  font-size: 0.92rem;
}
.spec th, .spec td {
  text-align: left;
  padding: 1.1rem 1.2rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.9;
}
.spec th {
  width: 32%;
  font-family: var(--font-body);
  font-weight: 500;
  color: var(--ink);
  background: var(--paper-warm);
  letter-spacing: 0.06em;
}
.spec td { color: var(--ink-soft); }
@media (max-width: 640px) {
  .spec, .spec tbody, .spec tr, .spec th, .spec td { display: block; width: 100%; }
  .spec th { border-bottom: none; }
  .spec td { padding-top: 0.6rem; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--blue-ink);
  color: rgba(233,238,242,0.72);
  font-size: 0.86rem;
  padding-block: clamp(48px, 8vw, 88px) 2rem;
}
.site-footer a:hover { color: #fff; }
.footer-grid {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  grid-template-columns: 1fr;
}
@media (min-width: 760px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
}
.footer-brand__logo {
  width: 176px;
  height: auto;
  margin-bottom: 1.2rem;
}
.footer-brand p { max-width: 30ch; line-height: 2; }
.footer-col h4 {
  color: #fff;
  font-family: var(--font-latin);
  font-style: italic;
  font-weight: 600;
  letter-spacing: 0.14em;
  font-size: 0.9rem;
  margin-bottom: 1.1rem;
}
.footer-col li { margin-bottom: 0.7rem; }
.footer-col a { transition: color 0.3s ease; }
.footer-info dl { display: grid; grid-template-columns: auto 1fr; gap: 0.4rem 1rem; }
.footer-info dt { color: rgba(233,238,242,0.5); white-space: nowrap; }
.footer-legal {
  margin-top: clamp(2.4rem, 5vw, 3.6rem);
  padding-top: 1.6rem;
  border-top: 1px solid rgba(233,238,242,0.14);
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.6rem;
  align-items: center;
  justify-content: space-between;
}
.footer-legal nav { display: flex; flex-wrap: wrap; gap: 0.8rem 1.4rem; }
.footer-legal .copy { font-family: var(--font-latin); letter-spacing: 0.12em; font-size: 0.8rem; }

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-in { opacity: 1; transform: none; }
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal-stagger.is-in > * { opacity: 1; transform: none; }
.reveal-stagger.is-in > *:nth-child(2) { transition-delay: 0.09s; }
.reveal-stagger.is-in > *:nth-child(3) { transition-delay: 0.18s; }
.reveal-stagger.is-in > *:nth-child(4) { transition-delay: 0.27s; }
.reveal-stagger.is-in > *:nth-child(5) { transition-delay: 0.36s; }
.reveal-stagger.is-in > *:nth-child(6) { transition-delay: 0.45s; }

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.stack > * + * { margin-top: 1.4em; }
.stack-sm > * + * { margin-top: 0.7em; }
.muted { color: var(--ink-mute); font-size: 0.9rem; }
.tag-row { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.4rem; }
.tag {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  padding: 0.4em 1em;
  border: 1px solid var(--line-blue);
  border-radius: 999px;
  color: var(--blue-deep);
  background: rgba(255,255,255,0.5);
}
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--blue-ink);
  color: #fff;
  padding: 0.8em 1.4em;
  z-index: 999;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* ---------- Responsive nav ---------- */
/* ナビ項目が6つ + CTA になったため、横並びは 1160px 超でのみ表示 */
@media (max-width: 1160px) {
  .nav__toggle { display: block; }
  .nav__list {
    position: fixed;
    inset: 82px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 1rem var(--gutter) 2rem;
    transform: translateY(-120%);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-soft);
    max-height: calc(100vh - 82px);
    overflow-y: auto;
  }
  .nav__list.is-open { transform: translateY(0); }
  .nav__item { border-bottom: 1px solid var(--line); }
  .nav__link { display: block; padding: 1.1rem 0.2rem; font-size: 1rem; }
  .nav__link::after { display: none; }
  .nav__cta { display: none; }
  .nav__list .nav__cta { display: block; margin-top: 1.4rem; }
  .nav__list .nav__cta .btn { width: 100%; }
}

@media (max-width: 760px) {
  body { letter-spacing: 0.02em; line-height: 1.95; }
  .figure-offset::before { inset: 12px -12px -12px 12px; }
}

/* ---------- Print ---------- */
@media print {
  .site-header, .site-footer, .nav__toggle, .cta-band, .hero__cta { display: none; }
  body { color: #000; background: #fff; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal, .reveal-stagger > * { opacity: 1 !important; transform: none !important; }
}