:root {
  --bg: #f7f6f3;
  --ink: #333333;
  --ink-soft: rgba(51, 51, 51, 0.55);
  --ink-faint: rgba(51, 51, 51, 0.12);
  --accent-muted: rgba(78, 95, 76, 0.22);
  --accent-blue: #2947a8;
  --nav-white: #ffffff;
  --header-z: 50;
  --max: min(92vw, 50rem);
  --rhythm: clamp(3.75rem, 12vw, 7.5rem);
  --sans: "Noto Sans JP", ui-sans-serif, system-ui, sans-serif;
  /* タイポ尺度（html は 16px 固定、本文 = 1rem） */
  --fs-body: 1rem;
  --fs-muted: 0.8125rem;
  --fs-heading: 1.3125rem;
  --reveal-shift: clamp(14px, 2.5vw, 28px);
  --ease-out-soft: cubic-bezier(0.22, 1, 0.36, 1);
}

@media (max-width: 767px) {
  :root {
    --fs-body: 14px;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

.skip-link {
  position: absolute;
  inset-inline-start: clamp(1rem, 4vw, 2rem);
  top: clamp(1rem, 3vw, 1.85rem);
  z-index: calc(var(--header-z) + 2);
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  padding: 0.75em 1.1em;
  background: var(--nav-white);
  color: var(--ink);
  text-decoration: none;
  opacity: 0;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  height: 1px;
  width: 1px;
  overflow: hidden;
  white-space: nowrap;
}

.skip-link:focus {
  opacity: 1;
  clip: auto;
  clip-path: none;
  height: auto;
  width: auto;
  overflow: visible;
  outline: 2px solid color-mix(in srgb, var(--ink), transparent 40%);
  outline-offset: 4px;
}

body {
  margin: 0;
  color: var(--ink);
  background-color: var(--bg);
  font-family: var(--sans);
  font-weight: 400;
  font-size: var(--fs-body);
  font-feature-settings: "palt";
  letter-spacing: 0.06em;
  line-height: 1.92;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.28em;
}

a:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--ink), transparent 45%);
  outline-offset: 4px;
}

summary.privacy-summary:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--ink), transparent 45%);
  outline-offset: 8px;
  border-radius: 2px;
}

body.nav-open {
  overflow: clip;
  touch-action: none;
}

.page-shell {
  min-height: 100dvh;
  position: relative;
  overflow-x: clip;
}

.page-shell::before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  background:
    radial-gradient(1200px 680px at 18% -8%, rgba(210, 214, 200, 0.22), transparent 58%),
    radial-gradient(900px 520px at 88% 8%, rgba(232, 220, 206, 0.18), transparent 55%);
  z-index: 0;
}

/* 右上ホワイトナビ／スマホはハンバーガー */
.site-head {
  position: fixed;
  top: 0;
  inset-inline-end: 0;
  z-index: var(--header-z);
  pointer-events: none;
  display: flex;
  justify-content: flex-end;
  align-items: flex-start;
}

.site-head > * {
  pointer-events: auto;
}

.site-nav {
  background: var(--nav-white);
  border: 1px solid color-mix(in srgb, var(--ink), transparent 93%);
  border-top: none;
  border-inline-end: none;
  padding: clamp(0.95rem, 2vw, 1.2rem) clamp(1rem, 2.75vw, 1.95rem)
    clamp(0.92rem, 2vw, 1.15rem)
    clamp(1.05rem, 3vw, 2.15rem);
  box-shadow: inset 1px -1px 0 color-mix(in srgb, #fff, transparent 30%);
  margin-block-start: 0;
  margin-inline-end: 0;
  z-index: calc(var(--header-z) + 1);
  position: relative;
}

.site-nav-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: clamp(1.15rem, 3.2vw, 2rem);
  font-family: var(--sans);
  font-weight: 400;
  font-size: clamp(0.6875rem, 1.8vw, 0.8125rem);
  letter-spacing: 0.22em;
}

.site-nav-list a {
  text-decoration: none;
  color: color-mix(in srgb, var(--ink), var(--bg) 8%);
  border-bottom-color: transparent;
  transition:
    opacity 0.35s ease,
    color 0.35s ease;
}

.site-nav-list a:hover {
  opacity: 0.65;
}

.site-nav-list a.is-active {
  color: color-mix(in srgb, var(--ink), var(--bg) 32%);
  font-weight: 300;
}

/* 細線ハンバーガー（スマホのみ） */
.nav-toggle {
  display: none;
  position: absolute;
  top: clamp(0.625rem, 2.5vw, 1rem);
  inset-inline-end: clamp(0.625rem, 2.8vw, 1rem);
  z-index: calc(var(--header-z) + 3);
  width: 3rem;
  height: 3rem;
  padding: 0;
  cursor: pointer;
  border: 1px solid color-mix(in srgb, var(--ink), transparent 88%);
  background: var(--nav-white);
  box-shadow: none;
  border-radius: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle-lines {
  display: flex;
  flex-direction: column;
  gap: 5px;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.nav-toggle-lines span {
  display: block;
  width: 1.0625rem;
  height: 1px;
  background: color-mix(in srgb, var(--ink), var(--bg) 5%);
  border-radius: 0;
  transition:
    opacity 0.32s ease,
    transform 0.36s var(--ease-out-soft);
  transform-origin: center;
}

.site-head.nav-open .nav-toggle-lines span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-head.nav-open .nav-toggle-lines span:nth-child(2) {
  opacity: 0;
}

.site-head.nav-open .nav-toggle-lines span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-toggle:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--ink), transparent 40%);
  outline-offset: 3px;
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: calc(var(--header-z) + 0);
  background: rgba(25, 24, 26, 0.24);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.42s ease,
    visibility 0.42s ease;
}

.site-head.nav-open .nav-backdrop {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* モバイル：全画面ホワイトメニュー */
@media (max-width: 767px) {
  body.nav-open {
    overflow: hidden;
  }

  .site-head {
    position: fixed;
    inset: 0;
    inset-inline-start: auto;
    width: 100%;
  }

  .nav-toggle {
    display: inline-flex;
    top: 0;
    inset-inline-end: 0;
  }

  .site-nav {
    position: fixed;
    inset: 0;
    inset-inline-start: auto;
    width: min(92vw, 19.5rem);
    height: 100dvh;
    margin: 0;
    padding: clamp(6rem, 18vh, 8rem) clamp(2.25rem, 8vw, 3rem) 2rem;
    border: none;
    border-inline-start: 1px solid color-mix(in srgb, var(--ink), transparent 92%);
    transform: translateX(100%);
    transition: transform 0.48s var(--ease-out-soft);
  }

  .site-head.nav-open .site-nav {
    transform: translateX(0);
  }

  .site-nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: clamp(1.85rem, 5vh, 2.85rem);
    font-size: clamp(0.75rem, 2.85vw, 0.84375rem);
    letter-spacing: 0.32em;
  }
}

.wrap {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 2rem);
  padding-block: clamp(2rem, 6vw, 3rem) clamp(3.5rem, 10vw, 5rem);
  padding-inline-start: clamp(2.75rem, 9vw, 4.25rem);
}

@media (min-width: 900px) {
  .wrap {
    padding-inline-start: clamp(1.25rem, 5vw, 2rem);
  }

  body {
    letter-spacing: 0.07em;
  }
}

.site-wordmark-band {
  /* 白帯：左端固定のまま右へ。48rem 上限はワイドで 50vw より狭くなるため付けない */
  --wordmark-stripe-w: 65vw;
  position: relative;
  z-index: 1;
  isolation: isolate;
  width: 100vw;
  margin-inline: calc(50% - 50vw);
  margin-block: clamp(0.65rem, 2vw, 1.15rem);
  padding-block: clamp(0.45rem, 1.35vw, 0.7rem);
}

.site-wordmark-band::before {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  width: var(--wordmark-stripe-w);
  background-color: var(--nav-white);
  z-index: 0;
  pointer-events: none;
}

.site-wordmark {
  position: relative;
  z-index: 1;
  font-family: var(--sans);
  font-weight: 400;
  font-size: 0.875rem;
  letter-spacing: 0.52em;
  text-transform: none;
  margin: 0 0 var(--rhythm);
  padding-inline-start: clamp(2.75rem, 9vw, 4.25rem);
  padding-inline-end: clamp(0.75rem, 3vw, 1rem);
  max-inline-size: calc(var(--wordmark-stripe-w) - clamp(1rem, 5vw, 2.75rem));
}

.site-wordmark-accent {
  color: #d79696;
  font-weight: 400;
}

.site-wordmark span {
  display: inline-block;
  letter-spacing: 0.32em;
}

@media (min-width: 901px) {
  .site-wordmark {
    padding-inline-start: clamp(1.25rem, 5vw, 2rem);
  }
}

@media (max-width: 480px) {
  .site-wordmark {
    padding-inline-start: clamp(1.25rem, 5vw, 2rem);
  }
}

/* スマホ：白帯だけ右へ少し広げる（左端は据え置き） */
@media (max-width: 767px) {
  .site-wordmark-band {
    --wordmark-stripe-w: 78vw;
  }
}

.muted {
  color: color-mix(in srgb, var(--ink), var(--bg) 40%);
  font-weight: 300;
}

/* 全幅ヒーロー（FV はやや低め／タイポは下端オーバー可能） */
.hero-full {
  position: relative;
  isolation: isolate;
  width: 100vw;
  max-width: 100vw;
  margin-inline: calc(50% - 50vw);
  padding-block-start: clamp(3.75rem, 9vh, 5.25rem);
  min-height: min(56dvh, 460px);
  overflow-x: clip;
  overflow-y: visible;
  background: #eae8e6;
  margin-block-end: clamp(6rem, 18vmin, 12rem);
}

.hero-full-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-color: var(--bg);
}

.hero-full-media picture {
  display: block;
  width: 100%;
  height: 100%;
}

.hero-full-media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center 28%;
}

/* 天地をやわらかく寄せて印刷誌めく */
.hero-media-shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(to top, rgba(21, 24, 29, 0.55) 0%, transparent 45%),
    linear-gradient(to bottom, rgba(252, 250, 247, 0.28) 0%, transparent 32%),
    linear-gradient(to right, rgba(250, 248, 246, 0.15), transparent min(52%, 30rem)),
    radial-gradient(
      118% 90% at 70% -8%,
      rgba(246, 244, 240, 0.28),
      transparent 58%
    );
}

.hero-full-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: none;
  margin-inline: 0;
  min-height: min(56dvh, 460px);
  padding-inline: 0;
  padding-block-end: 0;
  container-type: inline-size;
}

.hero-marquee-reveal {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: flex-end;
}

/* 下端タイポ：横方向は移動させず translateY のみで FV 下辺から約 1/3 が領域外へ */
.hero-marquee-shell {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -70px;
  width: 100%;
  max-width: 100%;
  margin-inline: 0;
  padding-inline: clamp(0.35rem, 1.8cqw, 1rem);
  box-sizing: border-box;
  overflow-x: clip;
  overflow-y: visible;
  z-index: 2;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: stretch;
  transform: translateY(33.333%);
  transform-origin: 50% 100%;
}

/* 表示文言は ::after（本文は aria-label）。参考: pajama-top-concept */
.hero-marquee-concept {
  position: relative;
  z-index: 0;
  margin: 0;
  width: 100%;
  container-type: inline-size;
  pointer-events: none;
}

.hero-marquee-concept::after {
  display: block;
  width: 100%;
  box-sizing: border-box;
  font-family: "Jost", sans-serif;
  font-weight: 200;
  font-size: 11.5cqw;
  line-height: 1;
  letter-spacing: 0.04em;
  content: "machi design works";
  color: #fff;
  text-shadow:
    0 38px 88px rgba(18, 20, 24, 0.14),
    0 6px 28px rgba(18, 20, 24, 0.12),
    0 1px 0 rgba(255, 255, 255, 0.04);
  white-space: nowrap;
  text-align: center;
  -webkit-font-smoothing: antialiased;
}

@container (max-width: 767px) {
  .hero-marquee-reveal {
    justify-content: flex-start;
    align-items: flex-end;
  }

  .hero-marquee-shell {
    padding-inline: clamp(0.15rem, 1.5cqw, 0.55rem);
  }

  .hero-marquee-concept::after {
    font-size: 22.81cqw;
    content: "machi design works";
    white-space: pre-line;
    line-height: 1;
    text-align: left;
  }
}

@media (max-width: 767px) {
  .hero-full {
    min-height: min(48dvh, 380px);
    padding-block-start: clamp(3.85rem, 11vh, 5rem);
    margin-block-end: clamp(11rem, 48vmin, 16rem);
    overflow-x: clip;
    overflow-y: visible;
  }

  .hero-full-inner {
    min-height: min(48dvh, 380px);
  }

  .hero-full-media img {
    object-position: center 22%;
  }
}

/* スクロール表示：JSが html に .js を付与したときだけ初期非表示 → .is-revealed */
.js .reveal-el {
  opacity: 0;
  transform: translate3d(0, var(--reveal-shift), 0);
  transition:
    opacity 0.95s var(--ease-out-soft),
    transform 0.95s var(--ease-out-soft);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

.js .reveal-el.is-revealed {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

html:not(.js) .reveal-el,
html.js.reveal-force .reveal-el {
  opacity: 1 !important;
  transform: none !important;
}

@media (prefers-reduced-motion: reduce) {
  .js .reveal-el {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  html {
    scroll-behavior: auto;
  }

  summary.privacy-summary::before {
    transition: none;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}

section {
  padding-block: clamp(3rem, 10vh, 5rem);
}

section + section {
  border-top: 1px solid color-mix(in srgb, var(--ink), transparent 90%);
  padding-block-start: clamp(5rem, 15vh, 9rem);
}

.section-stack {
  position: relative;
}

.section-id {
  position: absolute;
  left: clamp(-2.95rem, -9vw, -1.1rem);
  top: clamp(3.75rem, 10vh, 5.5rem);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: var(--sans);
  font-size: var(--fs-muted);
  font-weight: 400;
  letter-spacing: 0.62em;
  color: var(--ink-soft);
}

@media (max-width: 720px) {
  .section-id {
    position: static;
    writing-mode: horizontal-tb;
    letter-spacing: 0.32em;
    margin-bottom: 1.85rem;
    opacity: 0.88;
  }
}

.section-title {
  font-family: var(--sans);
  font-weight: 400;
  font-size: var(--fs-heading);
  letter-spacing: 0.52em;
  margin: 0 0 clamp(2rem, 5vw, 2.85rem);
}

.section-title::after {
  content: "";
  display: block;
  width: 2.85rem;
  height: 1px;
  background: var(--accent-muted);
  margin-top: clamp(1.125rem, 3.2vw, 1.5rem);
  margin-inline-start: 0;
}

.prose {
  font-size: var(--fs-body);
  line-height: 2;
  letter-spacing: 0.05em;
}

.prose p {
  margin: 0 0 1.5em;
}

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

.pill-list {
  list-style: none;
  padding: 0;
  margin: clamp(2rem, 5vw, 2.85rem) 0 0;
  font-size: var(--fs-body);
}

.pill-list li {
  position: relative;
  padding-left: 1.35em;
  margin-bottom: 0.92em;
}

.pill-list li:last-child {
  margin-bottom: 0;
}

.pill-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.86em;
  width: 0.38rem;
  height: 1px;
  background: var(--accent-muted);
}

/* Profile — typographic rhythm, no table */
dl.profile-def {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(6.75rem, 8.85rem) 1fr;
  gap: clamp(0.72rem, 3vw, 2rem);
  align-items: baseline;
  padding: 0;
}

.profile-def dt {
  grid-column: 1;
  font-family: var(--sans);
  font-size: var(--fs-muted);
  font-weight: 400;
  letter-spacing: 0.28em;
  color: var(--ink-soft);
}

.profile-def dd {
  grid-column: 2;
  margin: 0;
  padding-bottom: clamp(1rem, 2.75vw, 1.375rem);
  margin-bottom: clamp(1rem, 2.75vw, 1.375rem);
  border-bottom: 1px dashed color-mix(in srgb, var(--ink), transparent 92%);
  font-size: var(--fs-body);
  line-height: 1.94;
}

.profile-def dd:last-of-type {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: none;
}

@media (max-width: 520px) {
  dl.profile-def {
    grid-template-columns: 1fr;
  }

  .profile-def dt,
  .profile-def dd {
    grid-column: 1;
  }

  .profile-def dt {
    letter-spacing: 0.42em;
    padding-bottom: 0.22rem;
  }

  .profile-def dd + dt {
    margin-top: 0.5rem;
  }
}

.contact-note {
  font-size: var(--fs-body);
  line-height: 2;
  margin-block: 0 clamp(2.25rem, 6vw, 3rem);
}

.contact-block {
  margin-top: clamp(2.75rem, 7vw, 3.85rem);
}

.contact-block-heading {
  font-family: var(--sans);
  font-size: var(--fs-muted);
  font-weight: 400;
  letter-spacing: 0.46em;
  color: var(--ink-soft);
  margin: 0 0 clamp(1.125rem, 3vw, 1.625rem);
}

.contact-mail-row {
  font-family: var(--sans);
  font-size: var(--fs-body);
  letter-spacing: 0.05em;
  line-height: 1.85;
  margin: 0 0 clamp(1.85rem, 5vw, 2.5rem);
  max-width: 36rem;
}

.contact-mail-row a {
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent-blue), transparent 55%);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
  margin-block: 0 0;
}

/* Googleフォームへのボタンのみ */
a.btn-google {
  display: inline-flex;
  align-items: center;
  gap: 0.72em;
  font-family: var(--sans);
  font-size: var(--fs-body);
  font-weight: 400;
  letter-spacing: 0.2em;
  text-indent: 0.42em;
  text-decoration: none;
  color: color-mix(in srgb, var(--ink), var(--accent-blue) 12%);
  padding: 1.05em 1.65em calc(1.05em + 1px);
  border: 1px solid color-mix(in srgb, var(--accent-blue), transparent 58%);
  background: linear-gradient(
    to bottom right,
    color-mix(in srgb, var(--accent-blue), var(--bg) 94%),
    var(--bg)
  );
  transition: opacity 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

a.btn-google:hover {
  opacity: 1;
  border-color: color-mix(in srgb, var(--accent-blue), transparent 38%);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, #fff, transparent 60%),
    0 28px 56px rgba(41, 71, 120, 0.12);
}

a.btn-google:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent-blue), transparent 30%);
  outline-offset: 4px;
}

footer {
  margin-block-start: clamp(2rem, 6vw, 3rem);
}

.footer-meta {
  font-family: var(--sans);
  font-size: var(--fs-muted);
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  margin: clamp(3rem, 9vh, 4.75rem) 0 1.125rem;
}

details.privacy {
  border-top: 1px solid color-mix(in srgb, var(--ink), transparent 90%);
  padding-block: clamp(2.75rem, 7vw, 3.85rem);
}

summary.privacy-summary {
  font-family: var(--sans);
  font-weight: 400;
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  gap: 0.65rem;
  align-items: baseline;
  font-size: var(--fs-muted);
  letter-spacing: 0.32em;
  color: var(--ink-soft);
  user-select: none;
  padding-inline: 0;
}

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

summary.privacy-summary::before {
  content: "›";
  display: inline-block;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  font-size: 1.08em;
  transform: rotate(90deg);
  opacity: 0.55;
}

details[open] summary.privacy-summary::before {
  transform: rotate(-90deg);
}

.privacy-inner {
  margin-top: 1.75rem;
  font-size: var(--fs-body);
  line-height: 1.95;
  letter-spacing: 0.04em;
  color: color-mix(in srgb, var(--ink), var(--bg) 28%);
  max-width: 38em;
}

.privacy-inner h3 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: var(--fs-body);
  letter-spacing: 0.2em;
  margin: 1.75rem 0 0.72rem;
  color: var(--ink);
}

.privacy-inner h3:first-child {
  margin-top: 0;
}

.privacy-inner p {
  margin: 0 0 0.9em;
}

.privacy-inner ul {
  margin: 0.35em 0 1em;
  padding-inline-start: 1.35em;
  line-height: 1.92;
  letter-spacing: 0.04em;
  color: color-mix(in srgb, var(--ink), var(--bg) 18%);
  list-style: disc;
}

.privacy-inner li + li {
  margin-top: 0.42em;
}

@media (max-width: 480px) {
  .wrap {
    padding-inline-start: clamp(1.25rem, 5vw, 2rem);
  }
}