/* =========================================================
   Arikata 手書き刻印 LP
   既存サイト（刻印アプリ / カラーシミュレーター）準拠
   - 明朝体 Noto Serif JP
   - 本文 #505050 / 白 + クリーム背景
   - LINEグリーン #06C755 は CTA のみ
   - モバイルファースト
   ========================================================= */

:root {
  /* color */
  --ink: #505050;
  --ink-soft: #7a7a7a;
  --ink-faint: #9a948b;
  --line: #ececec;
  --line-warm: #e4ddd5;
  --bg: #ffffff;
  --cream: #f0eee9;
  --cream-2: #fdf6e8;
  --cream-3: #faf8f4;
  --dark: #2b2825;
  --dark-2: #3a3631;
  --line-green: #06c755;
  --line-green-press: #05b34c;

  /* type */
  --serif: "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --sans: "Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* layout */
  --container: 1080px;
  --gutter: 22px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  font-family: var(--serif);
  color: var(--ink);
  background: var(--bg);
  font-weight: 400;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  letter-spacing: 0.04em;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  overflow-x: hidden;
}

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

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* ---------- layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.container--narrow {
  max-width: 760px;
}

.section {
  padding: 88px 0;
  position: relative;
}

.section--cream {
  background: var(--cream);
}

.section--dark {
  background: var(--dark);
  color: #f3efe9;
}

@media (min-width: 768px) {
  .section {
    padding: 130px 0;
  }
}

/* ---------- typographic primitives ---------- */
.kicker {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.34em;
  color: var(--ink-faint);
  text-transform: uppercase;
  margin: 0 0 18px;
}

.kicker--light {
  color: rgba(243, 239, 233, 0.6);
}

.section-title {
  margin: 0 0 22px;
  font-size: clamp(23px, 6.2vw, 40px);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.08em;
}

.section-title--light {
  color: #f6f2ec;
}

.section-title--handwriting {
  width: min(100%, clamp(264px, 37vw, 350px));
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  line-height: 0;
}

.section-title--handwriting img {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 1px 1px rgba(32, 28, 23, 0.14)) drop-shadow(0 2px 7px rgba(32, 28, 23, 0.06));
}

/* 最大行の文字数に合わせて幅を調整し、文字あたりの大きさを揃える */
#story .section-title--handwriting,
#products .section-title--handwriting {
  width: min(100%, clamp(264px, 37vw, 350px));
}

#how .section-title--handwriting {
  width: min(100%, clamp(216px, 31vw, 296px));
}

#quality .section-title--handwriting {
  width: min(100%, clamp(192px, 26vw, 232px));
}

#gift .section-title--handwriting {
  width: min(100%, clamp(216px, 30vw, 270px));
}

#proof .section-title--handwriting {
  width: min(100%, clamp(184px, 25vw, 222px));
}

#faq .section-title--handwriting {
  width: min(100%, clamp(184px, 25vw, 222px));
}

.section-lead {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 2.05;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
}

.section--dark .section-lead {
  color: rgba(243, 239, 233, 0.72);
}

/* ---------- Origin (創業者の声) ---------- */
.origin {
  text-align: center;
}

.origin__quote {
  margin: 0 auto 28px;
  font-size: clamp(22px, 6vw, 34px);
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: 0.08em;
  color: var(--ink);
}

.origin__quote-image {
  display: block;
  width: clamp(286px, 44vw, 420px);
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  filter: drop-shadow(0 1px 1px rgba(32, 28, 23, 0.14)) drop-shadow(0 2px 7px rgba(32, 28, 23, 0.06));
}

.origin__body p {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 2.15;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
}

.origin__sign {
  margin-top: 28px;
  font-size: 14px;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
}

/* ---------- media frame (共通の写真枠) ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  background: var(--cream-3);
  border: 1px solid var(--line-warm);
}

.media-frame--dark {
  border-color: rgba(255, 255, 255, 0.12);
  background: #262320;
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease);
}

/* 画像未配置時のプレースホルダー（生成画像差し込み前の確認用） */
.media-frame.is-empty,
.hero__media.is-empty,
.how__media.is-empty,
.product__media.is-empty {
  position: relative;
}

.media-frame.is-empty::after,
.how__media.is-empty::after,
.product__media.is-empty::after {
  content: attr(data-img-label);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
  background: repeating-linear-gradient(
    45deg,
    var(--cream-3),
    var(--cream-3) 12px,
    #f3f0ea 12px,
    #f3f0ea 24px
  );
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 28px;
  border-radius: 999px;
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    background 0.2s;
  will-change: transform;
}

.btn--line {
  background: var(--line-green);
  color: #fff;
  box-shadow: 0 8px 22px rgba(6, 199, 85, 0.28);
}

.btn--line:hover {
  background: var(--line-green-press);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(6, 199, 85, 0.34);
}

.btn--line:active {
  transform: translateY(0);
}

.btn--lg {
  min-height: 60px;
  padding: 0 40px;
  font-size: 16px;
}

.btn__line-icon {
  width: 20px;
  height: 20px;
  flex: none;
}

.btn--pulse {
  animation: pulse 2.6s var(--ease) infinite;
}

@keyframes pulse {
  0%,
  100% {
    box-shadow: 0 8px 22px rgba(6, 199, 85, 0.28);
  }
  50% {
    box-shadow: 0 8px 22px rgba(6, 199, 85, 0.28),
      0 0 0 14px rgba(6, 199, 85, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn--pulse {
    animation: none;
  }
}

/* ---------- header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px var(--gutter);
  background: rgba(255, 255, 255, 0);
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease),
    padding 0.4s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
  padding: 10px var(--gutter);
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.site-header__logo {
  height: 20px;
  width: auto;
  filter: brightness(0) invert(1);
  transition: filter 0.4s var(--ease);
}

.site-header.is-scrolled .site-header__logo {
  filter: none;
}

.site-header__name {
  font-size: 16px;
  font-weight: 300;
  letter-spacing: 0.14em;
  color: #fff;
  transition: color 0.4s var(--ease);
}

.site-header.is-scrolled .site-header__name {
  color: var(--ink-soft);
}

.site-header__cta {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 999px;
  padding: 9px 16px;
  transition: all 0.4s var(--ease);
}

.site-header.is-scrolled .site-header__cta {
  color: #fff;
  background: var(--line-green);
  border-color: var(--line-green);
}

/* ============================ Hero ============================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  color: #fff;
}

.hero__media {
  position: absolute;
  inset: -8% 0 0 0;
  z-index: 0;
}

.hero__img {
  width: 100%;
  height: 116%;
  object-fit: cover;
}

.hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(20, 18, 15, 0.42) 0%,
    rgba(20, 18, 15, 0.28) 38%,
    rgba(20, 18, 15, 0.55) 100%
  );
}

.hero__inner {
  position: relative;
  z-index: 1;
  padding: 0 var(--gutter);
  max-width: 720px;
}

.hero__kicker {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.4em;
  margin: 0 0 24px;
  color: rgba(255, 255, 255, 0.82);
}

.hero__title {
  margin: 0;
  font-size: clamp(30px, 9vw, 60px);
  font-weight: 500;
  line-height: 1.42;
  letter-spacing: 0.1em;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.3);
}

.hero__title-image {
  display: block;
  width: clamp(286px, 40vw, 365px);
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  /* 画像の筆致を壊さず、近接した影でわずかに線を太く見せる */
  filter: brightness(0) invert(1) drop-shadow(0.9px 0 rgba(255, 255, 255, 0.78)) drop-shadow(-0.9px 0 rgba(255, 255, 255, 0.78)) drop-shadow(0 0.9px rgba(255, 255, 255, 0.78)) drop-shadow(0 -0.9px rgba(255, 255, 255, 0.78)) drop-shadow(0 2px 11px rgba(0, 0, 0, 0.32));
}

.hero__title .line {
  display: block;
  overflow: hidden;
}

.hero__title .word {
  display: inline-block;
}

.hero__lead {
  margin: 26px 0 0;
  font-size: clamp(14px, 3.6vw, 17px);
  font-weight: 300;
  line-height: 1.9;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.92);
}

.hero__actions {
  margin-top: 38px;
}

.hero__note {
  margin: 14px 0 0;
  font-size: 12px;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.78);
}

.hero__scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  width: 1px;
  height: 56px;
  overflow: hidden;
}

.hero__scroll-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 100%;
  background: rgba(255, 255, 255, 0.7);
  animation: scrollLine 2.2s var(--ease) infinite;
}

@keyframes scrollLine {
  0% {
    transform: translateY(-100%);
  }
  50% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(100%);
  }
}

/* ============================ Story ============================ */
.story {
  text-align: center;
}

.story__transformation {
  margin-top: 52px;
  display: grid;
  gap: 0;
  align-items: center;
  padding: 0;
}

.story__source,
.story__result {
  margin: 0;
}

.story__source {
  width: min(100%, 390px);
  justify-self: center;
  will-change: opacity, transform;
}

.story__source figcaption,
.story__result figcaption {
  margin-top: 14px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}

.story__result .media-frame {
  aspect-ratio: 4 / 3;
}

.story__result {
  will-change: opacity, transform;
}

.story__source .media-frame {
  aspect-ratio: 4 / 3;
}

.media-frame--handwriting {
  display: grid;
  place-items: center;
  background: #eeece7;
}

.media-frame--handwriting img {
  object-fit: cover;
}

.story__connector {
  position: relative;
  display: grid;
  place-items: center;
  grid-template-rows: auto 1fr;
  min-height: 80px;
  margin: 0 auto;
  color: var(--ink-soft);
}

.story__connector::before {
  content: "";
  position: absolute;
  top: 30px;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: var(--line-warm);
  transform: scaleY(1);
  transform-origin: top;
}

.story__transformation.is-story-motion-active .story__source {
  animation: storySourceIn 0.72s var(--ease) both;
}

.story__transformation.is-story-motion-active .story__connector::before {
  animation: storyLineIn 0.56s var(--ease) 0.42s both;
}

.story__transformation.is-story-motion-active .story__connector span {
  animation: storyLabelIn 0.45s var(--ease) 0.63s both;
}

.story__transformation.is-story-motion-active .story__result {
  animation: storyResultIn 0.72s var(--ease) 0.82s both;
}

@keyframes storySourceIn {
  from { opacity: 0.35; transform: translateY(28px) rotate(-3.5deg); }
  to { opacity: 1; transform: translateY(0) rotate(-1deg); }
}

@keyframes storyLineIn {
  from { transform: scaleY(0); }
  to { transform: scaleY(1); }
}

@keyframes storyLabelIn {
  from { opacity: 0.35; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes storyResultIn {
  from { opacity: 0.35; transform: translateY(28px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.story__connector span {
  position: relative;
  padding: 0;
  background: transparent;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}

.story__arrow-path,
.ba__arrow-path {
  stroke-dasharray: 130;
  stroke-dashoffset: 130;
}

.is-inview .story__arrow-path,
.is-inview .ba__arrow-path {
  animation: drawArrow 0.9s var(--ease) forwards;
}

@keyframes drawArrow {
  to {
    stroke-dashoffset: 0;
  }
}

@media (min-width: 768px) {
  .story__transformation {
    grid-template-columns: minmax(0, 0.84fr) 64px minmax(0, 1.16fr);
    gap: 30px;
    margin-top: 70px;
  }
  .story__source {
    width: 100%;
  }
  .story__connector {
    width: 64px;
    min-height: 0;
    height: 100%;
  }
  .story__connector::before {
    top: 50%;
    right: 0;
    bottom: auto;
    left: 0;
    width: auto;
    height: 1px;
    transform: scaleX(1);
    transform-origin: left;
  }
  .story__connector span {
    display: none;
  }
  .story__transformation.is-story-motion-active .story__connector::before {
    animation-name: storyLineInX;
  }
}

@keyframes storyLineInX {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

/* ============================ How It Works ============================ */
.how__steps {
  list-style: none;
  margin: 54px 0 0;
  padding: 0;
  display: grid;
  gap: 44px;
  counter-reset: step;
}

.how__step {
  text-align: center;
  position: relative;
}

.how__num {
  display: block;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--ink-faint);
  margin-bottom: 16px;
}

.how__media {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 22px;
  max-width: 230px;
  background: var(--cream-3);
  border: 1px solid var(--line-warm);
}

.how__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.how__media--camera img {
  object-position: 50% 33%;
}

.how__media--flat-ring img {
  object-position: center;
}

.how__step-title {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.how__step-text {
  margin: 0 auto;
  max-width: 300px;
  font-size: 14px;
  line-height: 1.95;
  color: var(--ink-soft);
}

@media (min-width: 768px) {
  .how__steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 34px;
    margin-top: 76px;
  }
}

/* ============================ Product Showcase ============================ */
.showcase__list {
  margin-top: 50px;
  display: grid;
  gap: 64px;
}

.product {
  display: grid;
  gap: 26px;
  align-items: center;
}

.product__media {
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 5 / 4;
  background: var(--cream-3);
  border: 1px solid var(--line-warm);
}

.product__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product__body {
  padding: 0 4px;
  text-align: center;
}

.product__series {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.26em;
  color: var(--ink-faint);
  margin: 0 0 12px;
}

.product__name {
  margin: 0 0 14px;
  font-size: clamp(21px, 5.4vw, 28px);
  font-weight: 600;
  letter-spacing: 0.08em;
}

.product__desc {
  margin: 0 auto 18px;
  max-width: 380px;
  font-size: 14px;
  line-height: 2;
  color: var(--ink-soft);
}

.product__price {
  margin: 0;
  font-size: 15px;
  letter-spacing: 0.1em;
  color: var(--ink);
}

@media (min-width: 768px) {
  .showcase__list {
    margin-top: 80px;
    gap: 110px;
  }
  .product {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
  }
  .product__body {
    text-align: left;
  }
  .product__desc {
    margin-left: 0;
  }
  .product--reverse .product__media {
    order: 2;
  }
}

/* ============================ Before / After ============================ */
.ba {
  text-align: center;
}

.ba__compare {
  margin-top: 48px;
  display: grid;
  gap: 20px;
  align-items: center;
}

.ba__side .media-frame {
  aspect-ratio: 4 / 3;
}

.ba__side figcaption {
  margin-top: 14px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: rgba(243, 239, 233, 0.66);
}

.ba__arrow {
  width: 84px;
  margin: 0 auto;
  color: rgba(243, 239, 233, 0.5);
  transform: rotate(90deg);
}

.ba__arrow svg {
  width: 100%;
  height: auto;
}

@media (min-width: 768px) {
  .ba__compare {
    grid-template-columns: 1fr auto 1fr;
    gap: 34px;
    margin-top: 66px;
  }
  .ba__arrow {
    transform: none;
    width: 120px;
  }
}

/* ============================ Quality ============================ */
.quality {
  text-align: center;
}

.quality__grid {
  list-style: none;
  margin: 50px 0 0;
  padding: 0;
  display: grid;
  gap: 34px;
}

.quality__icon {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  color: var(--ink);
}

.quality__icon svg {
  width: 100%;
  height: 100%;
}

.quality__title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.quality__text {
  margin: 0 auto;
  max-width: 280px;
  font-size: 13.5px;
  line-height: 1.95;
  color: var(--ink-soft);
}

.quality__note {
  margin: 22px auto 0;
  max-width: 560px;
  font-size: 13.5px;
  line-height: 2;
  color: var(--ink-faint);
  letter-spacing: 0.06em;
}

@media (min-width: 768px) {
  .quality__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 72px;
  }
}

/* ============================ Gift (horizontal scroll) ============================ */
.gift__scroll {
  margin-top: 44px;
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 0 var(--gutter) 8px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.gift__scroll::-webkit-scrollbar {
  display: none;
}

.gift__card {
  position: relative;
  flex: 0 0 72%;
  min-height: 250px;
  max-width: 300px;
  margin: 0;
  scroll-snap-align: center;
  border-top: 1px solid rgba(51, 50, 48, 0.24);
  border-bottom: 1px solid rgba(51, 50, 48, 0.12);
  overflow: hidden;
}

.gift__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--ink);
  transition: width 800ms cubic-bezier(0.16, 1, 0.3, 1);
}

.gift__card figcaption {
  height: 100%;
  padding: 27px 18px 25px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: left;
}

.gift__card figcaption em {
  position: absolute;
  top: 24px;
  left: 18px;
  font-family: var(--font-sans);
  font-style: normal;
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--ink-muted);
}

.gift__card figcaption strong {
  display: block;
  font-size: clamp(22px, 7vw, 31px);
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.08em;
}

.gift__card figcaption span {
  display: block;
  margin-top: 11px;
  font-size: 13px;
  color: var(--ink-soft);
  letter-spacing: 0.1em;
  line-height: 1.8;
}

.gift__scroll.is-inview .gift__card::before {
  width: 100%;
}

@media (min-width: 768px) {
  .gift__scroll {
    margin-top: 64px;
    gap: 24px;
    padding: 0 max(var(--gutter), calc((100vw - var(--container)) / 2 + var(--gutter))) 12px;
  }
  .gift__card {
    flex-basis: 340px;
    min-height: 290px;
  }
}

/* ============================ Proof (信頼・実績) ============================ */
.proof {
  text-align: center;
}

.proof__intro {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 2;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
}

.monitor-voices {
  display: grid;
  gap: 34px;
  margin-top: 42px;
  text-align: left;
}

.monitor-voice {
  margin: 0;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line-warm);
}

.monitor-voice img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 16px;
}

.monitor-voice figcaption {
  margin-top: 16px;
  font-size: 14px;
  line-height: 2;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}

@media (min-width: 768px) {
  .monitor-voices {
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }

  .monitor-voice {
    padding-bottom: 0;
    border-bottom: 0;
  }
}

.proof__stats {
  list-style: none;
  margin: 50px 0 0;
  padding: 0;
  display: grid;
  gap: 36px;
}

.proof__stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.proof__num {
  font-size: clamp(40px, 13vw, 60px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.proof__num small {
  font-size: 0.38em;
  font-weight: 500;
  margin-left: 4px;
  color: var(--ink-soft);
  letter-spacing: 0.08em;
}

.proof__label {
  font-size: 13px;
  line-height: 1.85;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
}

.proof__note {
  margin: 44px auto 0;
  max-width: 560px;
  font-size: 14px;
  line-height: 2.05;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
}

@media (min-width: 768px) {
  .proof__stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 72px;
  }
}

/* ============================ FAQ ============================ */
.faq__list {
  margin-top: 38px;
  border-top: 1px solid var(--line-warm);
}

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

.faq__item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 40px 22px 4px;
  position: relative;
  font-size: 15.5px;
  font-weight: 500;
  letter-spacing: 0.06em;
  line-height: 1.7;
}

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

.faq__item summary::after {
  content: "";
  position: absolute;
  right: 6px;
  top: 50%;
  width: 13px;
  height: 13px;
  margin-top: -7px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237a7a7a' stroke-width='1.6'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E")
    no-repeat center / contain;
  transition: transform 0.3s var(--ease);
}

.faq__item[open] summary::after {
  transform: rotate(135deg);
}

.faq__answer {
  overflow: hidden;
  padding: 0 4px;
  max-height: 0;
  transition: max-height 0.4s var(--ease), padding 0.4s var(--ease);
}

.faq__item[open] .faq__answer {
  padding: 0 4px 24px;
  max-height: 320px;
}

.faq__answer p {
  margin: 0;
  font-size: 14px;
  line-height: 2;
  color: var(--ink-soft);
}

.faq__answer a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
  transition: opacity 180ms var(--ease);
}

.faq__answer a:hover,
.faq__answer a:focus-visible {
  opacity: 0.58;
}

/* ============================ お客様の声（VOICES） ============================ */
.voices[hidden] {
  display: none;
}
.voices__aggregate {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 8px 0 36px;
}
.voices__avg {
  font-size: 30px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
}
.voices__count {
  font-size: 13px;
  color: var(--ink-soft);
}
.voice-stars {
  display: inline-flex;
  gap: 2px;
  font-size: 18px;
  line-height: 1;
  letter-spacing: 0;
}
.voice-star {
  color: #ddd6c8;
}
.voice-star.is-on {
  color: #c9a961; /* チタンゴールド */
}

.voices__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.voice-card {
  background: var(--bg);
  border: 1px solid var(--line-warm);
  border-radius: 14px;
  padding: 22px 24px;
  text-align: left;
}
.voice-card__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.voice-card__head .voice-stars {
  font-size: 15px;
}
.voice-card__pick {
  font-size: 10px;
  letter-spacing: 0.08em;
  color: #9a7e2f;
  background: var(--cream-2);
  border-radius: 4px;
  padding: 3px 8px;
}
.voice-card__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 8px;
  line-height: 1.6;
}
.voice-card__body {
  font-size: 14px;
  line-height: 2;
  color: var(--ink-soft);
  margin: 0;
  white-space: pre-wrap;
}
.voice-card__photo {
  margin-top: 14px;
  width: 100%;
  max-width: 280px;
  border-radius: 10px;
  object-fit: cover;
}
.voice-card__meta {
  margin: 14px 0 0;
  font-size: 12px;
  color: var(--ink-faint);
  letter-spacing: 0.06em;
}

@media (min-width: 720px) {
  .voices__list {
    grid-template-columns: 1fr 1fr;
  }
}

/* ============================ Final CTA ============================ */
.cta-final {
  position: relative;
  text-align: center;
  padding: 100px var(--gutter);
  background: linear-gradient(180deg, var(--cream) 0%, var(--dark) 100%);
  color: #fff;
}

.cta-final__inner {
  max-width: 620px;
  margin: 0 auto;
}

.cta-final__title {
  margin: 0 0 20px;
  font-size: clamp(24px, 6.4vw, 38px);
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: 0.08em;
  color: #fff;
}

.cta-final__title--handwriting {
  width: min(100%, clamp(260px, 38vw, 340px));
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  line-height: 0;
}

.cta-final__title--handwriting img {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0.9px 0 rgba(255, 255, 255, 0.78)) drop-shadow(-0.9px 0 rgba(255, 255, 255, 0.78)) drop-shadow(0 0.9px rgba(255, 255, 255, 0.78)) drop-shadow(0 -0.9px rgba(255, 255, 255, 0.78)) drop-shadow(0 2px 9px rgba(0, 0, 0, 0.24));
}

.cta-final__lead {
  margin: 0 0 38px;
  font-size: 14.5px;
  line-height: 2;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.82);
}

@media (min-width: 768px) {
  .cta-final {
    padding: 150px var(--gutter);
  }
}

/* ============================ Footer ============================ */
.site-footer {
  background: var(--dark);
  color: rgba(243, 239, 233, 0.7);
  padding: 44px 0 60px;
  text-align: center;
}

.site-footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 22px;
  color: #f3efe9;
  font-weight: 300;
  letter-spacing: 0.14em;
  font-size: 16px;
}

.site-footer__logo {
  height: 18px;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.site-footer__links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 22px;
  margin-bottom: 26px;
}

.site-footer__links a {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: rgba(243, 239, 233, 0.78);
  transition: color 0.2s;
}

.site-footer__links a:hover {
  color: #fff;
}

.site-footer__copy {
  margin: 0;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(243, 239, 233, 0.4);
}

/* ============================ Floating CTA (mobile) ============================ */
.floating-cta {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translate(-50%, 140%);
  z-index: 60;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 14px 26px;
  border-radius: 999px;
  background: var(--line-green);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  box-shadow: 0 10px 30px rgba(6, 199, 85, 0.36);
  transition: transform 0.5s var(--ease);
  white-space: nowrap;
}

.floating-cta.is-visible {
  transform: translate(-50%, 0);
}

.floating-cta .btn__line-icon {
  width: 18px;
  height: 18px;
}

@media (min-width: 768px) {
  .floating-cta {
    display: none;
  }
}

/* ============================ reveal animations ============================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  will-change: opacity, transform;
}

[data-reveal][data-from="left"] {
  transform: translateX(-40px);
}

[data-reveal][data-from="right"] {
  transform: translateX(40px);
}

[data-reveal].is-inview {
  opacity: 1;
  transform: none;
}

.is-inview .media-frame img,
.product.is-inview .product__media img {
  /* subtle settle handled by JS parallax */
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none;
  }
  .reviews__track.is-animating,
  .hero__scroll-line,
  .btn--pulse {
    animation: none !important;
  }
}