/**
 * ichigo-ichien � Common styles
 */

:root {
  /* Colors */
  --color-text: #4c4c4c;
  --color-text-muted: #666666;
  --color-text-inverse: #ffffff;
  --color-bg: #ffffff;
  --color-accent: #c99226;
  --color-accent-dark: #a87a1e;
  --color-border: #e5e5e5;
  --color-surface: #faf9f7;

  /* Typography families */
  --font-serif: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --font-sans:
    "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo,
    sans-serif;
  --font-weight-base: 400;
  /* Noto Serif JP — デザイン上の SemiBold = 400 */
  --font-weight-heading: 400;
  --font-weight-emphasis: 600;

  /* Typography sizes — PC（Public Starts 準拠） */
  --text-hero-size: 40px;
  --text-hero-lh: 72px;
  --text-section-size: 40px;
  --text-section-lh: 72px;
  --text-body-size: 16px;
  --text-body-lh: 29px;
  --text-label-size: 16px;
  --text-label-lh: 29px;
  --text-button-size: 16px;
  --text-button-lh: 26px;
  --text-nav-size: 16px;
  --text-nav-lh: 23px;
  --text-caption-size: 14px;
  --text-caption-lh: 22px;

  /* Typography tracking — slightly wide across the site */
  --tracking-body: 0.07em;
  --tracking-serif: 0.08em;
  --tracking-heading: 0.11em;
  --tracking-display: 0.12em;
  --tracking-sans: 0.1em;
  --tracking-nav: 0.14em;
  --tracking-button: 0.12em;
  --tracking-caption: 0.08em;
  --tracking-wide: 0.22em;

  /* Sub-page body — TOP .front-about__paragraph 準拠 */
  --page-body-size: 18px;
  --page-body-lh: 2.5;
  --page-heading-sp-size: clamp(20px, 6.4vw, 40px);
  --page-heading-sp-lh: 1.5;

  /* Layout */
  --container-width: 1440px;
  /* KVキャッチコピー領域（デザイン準拠・セクション本文は --container-width） */
  --kv-width: 1920px;
  --container-narrow: 661px;
  --header-height: 64px;
  --btn-min-height: 52px;
  --bp-md: 960px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;

  /* Motion — site-wide */
  --motion-duration-fast: 0.25s;
  --motion-duration: 0.55s;
  --motion-duration-enter: 0.75s;
  --motion-duration-scroll: 2.8s;
  --motion-duration-kv-slide: 2s;
  --motion-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --motion-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --motion-ease-in-out: cubic-bezier(0.45, 0, 0.55, 1);
}

@media (max-width: 960px) {
  :root {
    --page-body-size: 14px;
    --page-body-lh: 2.1;

    --text-hero-size: 34px;
    --text-hero-lh: 58px;
    --text-section-size: 34px;
    --text-section-lh: 58px;
    --text-body-size: 14px;
    --text-body-lh: 23px;
    --text-label-size: 14px;
    --text-label-lh: 23px;
    --text-button-size: 16px;
    --text-button-lh: 24px;
    --text-nav-size: 12px;
    --text-nav-lh: 18px;
    --text-caption-size: 12px;
    --text-caption-lh: 18px;
  }
}

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

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

body {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: var(--font-weight-base);
  font-size: var(--text-body-size);
  line-height: var(--text-body-lh);
  letter-spacing: var(--tracking-body);
  color: var(--color-text);
  background: var(--color-bg);
}

body.is-nav-open {
  overflow: hidden;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

a {
  color: inherit;
}

/* Layout utilities */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* Responsive line breaks — br の display 上書きは改行が残ることがあるため inline-block で制御 */
br.br--pc-only {
  display: none;
}

@media (min-width: 961px) {
  br.br--pc-only {
    display: inline-block;
    width: 100%;
    height: 0;
    overflow: hidden;
    margin: 0;
  }

  br.br--sp-only {
    display: none;
  }
}

@media (max-width: 960px) {
  br.br--sp-only {
    display: inline-block;
    width: 100%;
    height: 0;
    overflow: hidden;
    margin: 0;
  }
}

/* Typography utilities */
.text-hero {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: var(--font-weight-heading);
  font-size: var(--text-hero-size);
  line-height: var(--text-hero-lh);
  letter-spacing: var(--tracking-heading);
}

.text-section {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: var(--font-weight-heading);
  font-size: var(--text-section-size);
  line-height: var(--text-section-lh);
  letter-spacing: var(--tracking-heading);
}

.text-section strong {
  font-weight: var(--font-weight-emphasis);
  color: var(--color-accent);
}

.text-body {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: var(--font-weight-base);
  font-size: var(--text-body-size);
  line-height: var(--text-body-lh);
  letter-spacing: var(--tracking-body);
}

.text-label {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: var(--font-weight-base);
  font-size: var(--text-label-size);
  line-height: var(--text-label-lh);
  letter-spacing: var(--tracking-body);
  color: var(--color-accent);
}

.text-button {
  font-family: var(--font-serif);
  font-weight: var(--font-weight-base);
  font-size: var(--text-button-size);
  line-height: var(--text-button-lh);
  letter-spacing: var(--tracking-button);
}

.text-nav {
  font-family: var(--font-sans);
  font-weight: var(--font-weight-base);
  font-size: var(--text-nav-size);
  line-height: var(--text-nav-lh);
  letter-spacing: var(--tracking-sans);
}

.text-caption {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: var(--font-weight-base);
  font-size: var(--text-caption-size);
  line-height: var(--text-caption-lh);
  letter-spacing: var(--tracking-caption);
  color: var(--color-text-muted);
}

.text-accent {
  color: var(--color-accent);
}

/* 色分け span 見出し — span 境界の余白（letter-spacing / 改行空白）を除去 */
:is(.price-section-heading) {
  letter-spacing: 0;
  font-size: 0;
}

:is(.price-section-heading) > span {
  letter-spacing: var(--tracking-heading);
  margin-inline-end: calc(-1 * var(--tracking-heading));
}

:is(
  .text-hero,
  .text-section,
  .price-intro__catch-line,
  .service-philosophy__catch-line,
  .flow-intro__catch-line,
  .contact-lead__heading,
  .success-stories-archive__heading,
  .front-step__name
) :is(.text-accent, [class*="heading-accent"], [class*="__heading-accent"]) {
  margin-inline-end: calc(-1 * var(--tracking-heading));
}

.highlight-box__heading :is(.text-accent, [class*="heading-accent"]) {
  margin-inline-end: -0.06em;
}

.service-feature__name .text-accent {
  margin-inline-end: -0.06em;
}

/* Media row — SP: image above text */
.media-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.media-row__visual {
  order: 1;
}

.media-row__body {
  order: 2;
}

@media (min-width: 961px) {
  .media-row {
    flex-direction: row;
    align-items: center;
    gap: var(--space-lg);
  }

  .media-row__visual,
  .media-row__body {
    flex: 1 1 50%;
    order: unset;
  }

  .media-row--reverse {
    flex-direction: row-reverse;
  }
}

/* Framed image — 写真の背面に水彩レイヤーを2枚重ねる汎用パーツ */
.framed-image {
  position: relative;
  display: block;
  margin: 0;
  /* multiply 前提。単層は淡く、重なりで色が乗る */
  --framed-image-layer-back-opacity: 0.58;
  --framed-image-layer-mid-opacity: 0.68;
}

.framed-image__photo {
  position: relative;
  z-index: 2;
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: var(--framed-image-ratio, auto);
  object-fit: cover;
}

.framed-image__layer {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image: url("../images/bg_img.png");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  mix-blend-mode: multiply;
}

/* 既定（左上に2枚はみ出す＝写真が右に置かれるカラム向け） */
.framed-image__layer--back {
  opacity: var(--framed-image-layer-back-opacity);
  transform: translate(-8%, -10%);
}

.framed-image__layer--mid {
  opacity: var(--framed-image-layer-mid-opacity);
  transform: translate(-4%, -5%);
}

/* 右上に2枚はみ出す（写真が左に置かれるカラム向け） */
.framed-image--peek-right .framed-image__layer--back {
  transform: translate(8%, -10%);
}

.framed-image--peek-right .framed-image__layer--mid {
  transform: translate(4%, -5%);
}

/* 左上に2枚はみ出す（明示指定。既定と同じ向き） */
.framed-image--peek-left .framed-image__layer--back {
  transform: translate(-8%, -10%);
}

.framed-image--peek-left .framed-image__layer--mid {
  transform: translate(-4%, -5%);
}

/* 左下に2枚はみ出す（サブKVのヒーロー写真向け） */
.framed-image--peek-bottom-left .framed-image__layer--back {
  transform: translate(-8%, 10%);
}

.framed-image--peek-bottom-left .framed-image__layer--mid {
  transform: translate(-4%, 5%);
}

/* 右下に2枚はみ出す（写真が左に置かれるカラム向け） */
.framed-image--peek-bottom-right .framed-image__layer--back {
  transform: translate(8%, 10%);
}

.framed-image--peek-bottom-right .framed-image__layer--mid {
  transform: translate(4%, 5%);
}

@media (max-width: 960px) {
  .framed-image__layer--back,
  .framed-image--peek-left .framed-image__layer--back {
    transform: translate(-6%, -7%);
  }

  .framed-image__layer--mid,
  .framed-image--peek-left .framed-image__layer--mid {
    transform: translate(-3%, -3.5%);
  }

  .framed-image--peek-right .framed-image__layer--back {
    transform: translate(6%, -7%);
  }

  .framed-image--peek-right .framed-image__layer--mid {
    transform: translate(3%, -3.5%);
  }

  .framed-image--peek-bottom-left .framed-image__layer--back {
    transform: translate(-6%, 7%);
  }

  .framed-image--peek-bottom-left .framed-image__layer--mid {
    transform: translate(-3%, 3.5%);
  }

  .framed-image--peek-bottom-right .framed-image__layer--back {
    transform: translate(6%, 7%);
  }

  .framed-image--peek-bottom-right .framed-image__layer--mid {
    transform: translate(3%, 3.5%);
  }
}

/* Sub-KV stage — backdrop spans intro without clipping (privacy / contact / legal 準拠) */
.sub-kv-stage {
  position: relative;
  isolation: isolate;
  overflow: visible;
}

.sub-kv-stage > .sub-kv__backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.sub-kv-stage .sub-kv {
  overflow: visible;
  background: transparent;
}

.sub-kv-stage > section {
  position: relative;
  z-index: 1;
}

/* Sub-KV — shared intro backdrop (price / flow / staff / success-stories / contact / privacy / law) */
.sub-kv {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--color-bg);
}

.sub-kv > .container,
.sub-kv > [class*="__inner"] {
  position: relative;
  z-index: 1;
}

.sub-kv__backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: url("../images/common/bg-subkv.png") center top / 100% auto
    no-repeat;
  pointer-events: none;
}

@media (max-width: 960px) {
  .sub-kv__backdrop {
    background-size: auto min(72vw, 560px);
    background-position: left top;
  }
}

/* Sub-KV intro — shared EN/JA title pair (flow / staff / contact / price / success-stories / legal) */
.sub-kv-intro__header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: clamp(1.75rem, 3.5vw, 3rem);
}

.sub-kv-intro__title-en {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: var(--font-weight-heading);
  font-size: clamp(32px, 4.5vw, 40px);
  line-height: 1.45;
  letter-spacing: var(--tracking-display);
  color: var(--color-accent);
}

.sub-kv-intro__title-ja {
  margin: 0.35em 0 0;
  font-family: var(--font-serif);
  font-weight: var(--font-weight-heading);
  font-size: clamp(16px, 2.2vw, 20px);
  line-height: var(--text-body-lh);
  letter-spacing: var(--tracking-body);
  color: #808080;
}

@media (max-width: 960px) {
  /* SP: sub-KV 見出しを固定ヘッダーロゴ左端（16px）に揃える */
  .sub-kv-intro__header {
    margin-left: calc(1rem - var(--space-md));
    margin-bottom: clamp(1rem, 3.5vw, 1.75rem);
  }

  /* intro 自体が 16px パディングのページは補正不要 */
  .service-intro .sub-kv-intro__header,
  .success-stories-intro .sub-kv-intro__header {
    margin-left: 0;
  }
}

/* Textured page background (optional utility) */
.page--textured {
  position: relative;
  overflow-x: clip;
}

.page--textured::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("../images/bg_img.png") center top / 100% auto repeat-y;
  opacity: 0.38;
  pointer-events: none;
  mix-blend-mode: multiply;
}

body.is-past-kv {
  overflow-x: clip;
}

body.is-past-kv .site-main {
  overflow-x: clip;
}

/* Highlight box — watercolor frame + white panel (shared) */
.highlight-box {
  --highlight-box-max-width: 1280px;
  --highlight-box-title-size: clamp(22px, 2.34vw, 30px);
  --highlight-box-title-lh: 1.47;
  --highlight-box-point-size: clamp(14px, 1.56vw, 20px);
  --highlight-box-point-lh: 1.45;
  --highlight-box-rule: 2px solid rgba(76, 76, 76, 0.22);
  --highlight-gallery-width: 236px;
  --highlight-gallery-height: 209px;
  overflow-x: clip;
  width: 100%;
  max-width: var(--highlight-box-max-width);
  margin-inline: auto;
  padding: clamp(0.75rem, 1.5vw, 1rem);
  background: url("../images/common/bg-container.png") center / 100% 100%
    no-repeat;
}

.highlight-box__surface {
  width: 100%;
  background: var(--color-bg);
}

.highlight-box__inner {
  padding-block: clamp(2.25rem, 5.5vw, 3.5rem) clamp(1.75rem, 5vw, 4.5rem);
  padding-inline: clamp(1.5rem, 5.5vw, 4.5rem);
}

.highlight-box__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2em;
  margin-bottom: clamp(2rem, 4vw, 2.75rem);
  text-align: center;
}

.highlight-box__heading {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: var(--font-weight-heading);
  letter-spacing: 0.06em;
}

.highlight-box__heading--primary {
  font-size: var(--highlight-box-title-size);
  line-height: var(--highlight-box-title-lh);
  color: var(--color-text);
}

.highlight-box__heading--secondary {
  font-size: var(--highlight-box-title-size);
  line-height: var(--highlight-box-title-lh);
  color: var(--color-text);
}

.highlight-box__points-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.highlight-box__points-row + .highlight-box__points-row {
  margin-top: clamp(0.5rem, 1.2vw, 1rem);
}

.highlight-box__point-text {
  min-width: 0;
}

.highlight-box__point {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0;
  padding-block: clamp(0.6rem, 1.2vw, 0.75rem) clamp(0.3rem, 0.65vw, 0.4rem);
  padding-inline: 0;
  border-bottom: var(--highlight-box-rule);
  font-family: var(--font-serif);
  font-weight: var(--font-weight-heading);
  font-size: var(--highlight-box-point-size);
  line-height: var(--highlight-box-point-lh);
  letter-spacing: var(--tracking-body);
  color: var(--color-text);
}

.highlight-box__point-icon {
  flex-shrink: 0;
  width: 1rem;
  height: 1rem;
  background: var(--color-accent);
}

.highlight-box__gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(0.75rem, 1.6vw, 1rem);
  margin: clamp(1.75rem, 3.5vw, 2.5rem) 0 0;
  padding: 0;
  list-style: none;
  width: 100%;
}

.highlight-box__gallery-photo {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: var(--highlight-gallery-width) / var(--highlight-gallery-height);
  object-fit: cover;
}

@media (min-width: 961px) {
  .highlight-box__points {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(2.5rem, 5vw, 4rem);
    row-gap: clamp(0.5rem, 1.2vw, 1rem);
  }

  .highlight-box__points-row {
    display: contents;
  }

  .highlight-box__points-row + .highlight-box__points-row {
    margin-top: 0;
  }

  .highlight-box__point:first-child .highlight-box__point-text {
    white-space: nowrap;
  }

  .highlight-box__gallery {
    grid-template-columns: repeat(4, var(--highlight-gallery-width));
    justify-content: space-between;
    gap: 1rem 0;
  }
}

.site-main {
  min-height: 50vh;
}

/* Logo */
.site-logo {
  display: inline-block;
  text-decoration: none;
  line-height: 0;
}

.site-logo__image,
.site-logo picture {
  display: block;
  width: auto;
  height: 48px;
}

.site-logo__image {
  width: auto;
  height: 100%;
  object-fit: contain;
}

/* Site header � hamburger (visible after KV on TOP) */
.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 200;
  pointer-events: none;
  background: transparent;
  border: none;
}

.site-header__inner {
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  min-height: var(--header-height);
  padding: 28px 36px 0;
  pointer-events: none;
}

.site-header__brand {
  display: none;
}

.site-header__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  width: 52px;
  height: 52px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.88);
  cursor: pointer;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transform: translate3d(6px, -10px, 0) scale(0.94);
  transition:
    opacity var(--motion-duration-enter) var(--motion-ease-out),
    visibility var(--motion-duration-enter) var(--motion-ease-out),
    transform var(--motion-duration-enter) var(--motion-ease-out),
    background var(--motion-duration-fast) var(--motion-ease);
}

body.is-past-kv .site-header__toggle {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate3d(0, 0, 0) scale(1);
}

/* KV内は固定ヘッダーを背面にし、左ナビをクリック可能にする */
body.has-hero-kv:not(.is-past-kv) .site-header {
  z-index: 0;
}

body.has-hero-kv:not(.is-past-kv) .site-header__panel {
  display: none;
}

.site-header.is-open .site-header__toggle {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.site-header__toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  transition:
    transform var(--motion-duration-fast) var(--motion-ease-out),
    opacity var(--motion-duration-fast) var(--motion-ease),
    background var(--motion-duration-fast) var(--motion-ease);
}

.site-header__toggle:hover {
  background: rgba(255, 255, 255, 1);
}

.site-header__toggle-label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header__panel {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  background-color: #e8f2f8;
  background-image: url("../images/bg_openmenu.jpg");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity var(--motion-duration) var(--motion-ease-out),
    visibility var(--motion-duration) var(--motion-ease-out);
}

.site-header__panel-inner {
  --panel-divider: rgba(76, 76, 76, 0.28);
  --panel-logo-h: 64px;
  --panel-logo-w: calc(var(--panel-logo-h) * 477 / 128);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: clamp(1.15rem, 2.5vw, 1.5rem);
  width: min(100%, var(--panel-logo-w));
  transform: translateY(clamp(-1.25rem, -3vh, -0.5rem));
}

.site-header.is-open .site-header__panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.site-header.is-open .site-header__nav {
  animation: ichigo-fade-in-up var(--motion-duration) var(--motion-ease-out)
    0.1s both;
}

.site-header.is-open .site-header__panel-brand {
  animation: ichigo-fade-in-up var(--motion-duration) var(--motion-ease-out)
    0.06s both;
}

.site-header.is-open .site-header__close {
  animation: ichigo-fade-in var(--motion-duration) var(--motion-ease-out) 0.18s
    both;
}

.site-header__close {
  position: absolute;
  top: 28px;
  right: 36px;
  display: none;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
  cursor: pointer;
}

.site-header.is-open .site-header__close {
  display: inline-flex;
}

.site-header__close-bar {
  position: absolute;
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
}

.site-header__close-bar:nth-child(1) {
  transform: rotate(45deg);
}

.site-header__close-bar:nth-child(2) {
  transform: rotate(-45deg);
}

.site-header__nav {
  display: flex;
  justify-content: flex-start;
  width: 100%;
}

.site-header__panel-brand {
  display: flex;
  justify-content: flex-start;
}

.site-header__panel-brand .site-logo picture,
.site-header__panel-brand .site-logo__image {
  display: block;
  width: auto;
  height: var(--panel-logo-h);
  max-width: 100%;
  object-fit: contain;
}

.site-header__actions {
  display: none;
}

.site-header__social {
  display: flex;
  justify-content: flex-start;
  width: 100%;
  margin-top: calc(1.25rem - clamp(1.15rem, 2.5vw, 1.5rem));
  padding-top: 1rem;
  border-top: 1px solid var(--panel-divider);
}

.site-header__social-link {
  display: inline-flex;
  color: var(--color-text);
  text-decoration: none;
  opacity: 0.88;
  transition: opacity var(--motion-duration-fast) var(--motion-ease);
}

.site-header__social-link:hover,
.site-header__social-link:focus-visible {
  opacity: 0.65;
}

.site-header.is-open .site-header__social {
  animation: ichigo-fade-in-up var(--motion-duration) var(--motion-ease-out)
    0.16s both;
}

.site-header.is-open .site-header__toggle-bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.site-header.is-open .site-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header.is-open .site-header__toggle-bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Navigation */
.nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav__link {
  text-decoration: none;
  transition:
    color 0.2s ease,
    opacity 0.2s ease;
}

.nav__link:hover,
.nav__link:focus-visible {
  color: var(--color-accent);
}

/* KV left navigation */
.kv-nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}

.kv-nav__menu {
  margin-top: var(--space-sm);
}

.kv-nav__social {
  margin-top: var(--space-md);
}

.kv-nav__brand .site-logo--kv picture,
.kv-nav__brand .site-logo--kv .site-logo__image {
  display: block;
  width: 63px;
  height: 86px;
  object-fit: contain;
}

.kv-nav__social-link {
  display: inline-flex;
  color: var(--color-text-inverse);
  text-decoration: none;
  opacity: 0.95;
  transition: opacity 0.2s ease;
}

.kv-nav__social-link:hover,
.kv-nav__social-link:focus-visible {
  opacity: 0.7;
}

.nav--kv {
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
}

.nav--kv .nav__link {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: var(--text-nav-size);
  line-height: 1.65;
  letter-spacing: var(--tracking-nav);
  text-transform: none;
  color: var(--color-text-inverse);
}

.nav--kv .nav__link:hover,
.nav--kv .nav__link:focus-visible {
  color: var(--color-text-inverse);
  opacity: 0.75;
}

/* Header panel nav (same links, dark on light) */
.site-header__panel .nav--kv {
  align-items: flex-start;
  width: 100%;
  gap: 1.5rem;
}

.site-header__panel .nav--kv .nav__link {
  display: block;
  text-align: left;
  font-size: var(--text-body-size);
  line-height: var(--text-body-lh);
  letter-spacing: var(--tracking-nav);
  color: var(--color-text);
}

.site-header__panel .nav--kv .nav__link:hover,
.site-header__panel .nav--kv .nav__link:focus-visible {
  color: var(--color-accent);
  opacity: 1;
}

.nav--primary .nav__link {
  font-family: var(--font-sans);
  font-size: var(--text-nav-size);
  line-height: var(--text-nav-lh);
  letter-spacing: var(--tracking-sans);
}

/* Front KV */
.front-kv {
  position: relative;
  display: flex;
  align-items: stretch;
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
  color: var(--color-text-inverse);
  background-color: #2a2520;
}

.front-kv__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.front-kv__bg-slide {
  position: absolute;
  inset: 0;
  background-image: var(--front-kv-bg-pc);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  opacity: 0;
  transition: opacity var(--motion-duration-kv-slide) var(--motion-ease-in-out);
}

.front-kv__bg-slide.is-active {
  opacity: 1;
}

.front-kv__bg-slide--01 {
  --front-kv-bg-pc: url("../images/index/bg-kv01.jpg");
  --front-kv-bg-sp: url("../images/index/bg-kv01_sp.jpg");
}

.front-kv__bg-slide--02 {
  --front-kv-bg-pc: url("../images/index/bg-kv02.jpg");
  --front-kv-bg-sp: url("../images/index/bg-kv02_sp.jpg");
}

.front-kv__bg-slide--03 {
  --front-kv-bg-pc: url("../images/index/bg-kv03.jpg");
  --front-kv-bg-sp: url("../images/index/bg-kv03_sp.jpg");
}

.front-kv__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    rgba(168, 206, 228, 0.92) 0%,
    rgba(196, 222, 238, 0.72) 18%,
    rgba(228, 240, 248, 0.42) 38%,
    rgba(255, 255, 255, 0.12) 58%,
    rgba(255, 255, 255, 0) 72%
  );
  mix-blend-mode: multiply;
}

.front-kv__aside {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 220px;
  padding: 36px 0 0 54px;
  pointer-events: auto;
}

.front-kv__scroll {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin-top: auto;
  padding-top: var(--space-lg);
  padding-bottom: 0;
  color: var(--color-text-inverse);
  text-decoration: none;
  opacity: 0.9;
  transition: opacity var(--motion-duration-fast) var(--motion-ease);
}

.front-kv__scroll:hover,
.front-kv__scroll:focus-visible {
  opacity: 0.65;
}

.front-kv__scroll-text {
  font-family: var(--font-sans);
  font-size: var(--text-caption-size);
  line-height: 1;
  letter-spacing: var(--tracking-wide);
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.front-kv__scroll-line {
  position: relative;
  display: block;
  width: 1px;
  height: 72px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.28);
}

.front-kv__scroll-line::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 28px;
  background: var(--color-text-inverse);
  animation: ichigo-scroll-line var(--motion-duration-scroll)
    var(--motion-ease-in-out) infinite;
}

@keyframes ichigo-scroll-line {
  0% {
    transform: translateY(-100%);
    opacity: 0;
  }

  10% {
    opacity: 1;
  }

  90% {
    opacity: 1;
  }

  100% {
    transform: translateY(260%);
    opacity: 0;
  }
}

@keyframes ichigo-fade-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes ichigo-fade-in-up {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes ichigo-kv-fade-in {
  from {
    opacity: 0;
    transform: translateY(4px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* KV — じんわり: catch → 間 → aside */
body.has-hero-kv .front-kv__title {
  animation: ichigo-kv-fade-in 1.1s var(--motion-ease-in-out) both;
}

body.has-hero-kv .front-kv__tagline {
  animation: ichigo-kv-fade-in 1.1s var(--motion-ease-in-out) 0.2s both;
}

body.has-hero-kv .front-kv__aside {
  animation: ichigo-kv-fade-in 1.15s var(--motion-ease-in-out) 1.05s both;
}

.front-kv__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  max-width: var(--kv-width);
  margin-inline: auto;
  padding: var(--space-lg) var(--space-md);
  text-align: center;
}

.front-kv__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: var(--font-weight-base);
  font-size: var(--text-hero-size);
  line-height: var(--text-hero-lh);
  letter-spacing: 0.14em;
  color: var(--color-text-inverse);
}

.front-kv__tagline {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 200;
  font-size: var(--text-caption-size);
  line-height: var(--text-caption-lh);
  letter-spacing: var(--tracking-wide);
  word-spacing: 0.3em;
  color: var(--color-text-inverse);
}

/* Page layout */
.page__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-md);
}

.page__note {
  color: var(--color-text-muted);
  font-size: var(--text-caption-size);
  line-height: var(--text-caption-lh);
}

/* ※注釈 — 改行時に2行目以降を米印の直後へ揃える */
.text-note-asterisk {
  padding-inline-start: 1em;
  text-indent: -1em;
}

@media (max-width: 960px) {
  .text-note-asterisk {
    font-size: 12px;
    line-height: 1.75;
  }
}

.page-hero {
  padding: var(--space-lg) var(--space-md) var(--space-md);
  text-align: center;
  background: var(--color-surface);
}

.page-hero__title {
  margin: 0 0 var(--space-xs);
  font-family: var(--font-serif);
  font-weight: var(--font-weight-heading);
  font-size: var(--text-section-size);
  line-height: var(--text-section-lh);
  letter-spacing: var(--tracking-heading);
}

.page-hero__subtitle {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-body-size);
  line-height: var(--text-body-lh);
  letter-spacing: var(--tracking-body);
}

.section-title {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-serif);
  font-weight: var(--font-weight-heading);
  font-size: var(--text-section-size);
  line-height: var(--text-section-lh);
  letter-spacing: var(--tracking-heading);
  text-align: center;
}

/* CTA */
.cta {
  padding: var(--space-lg) var(--space-md);
  background: var(--color-surface);
  text-align: center;
}

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

.cta__text {
  margin: 0 0 var(--space-sm);
  font-size: var(--text-body-size);
  line-height: var(--text-body-lh);
}

/* Button (shared) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 200px;
  min-height: var(--btn-min-height);
  padding: 0.65rem 2.25rem;
  border: none;
  border-radius: 999px;
  background: var(--color-accent);
  color: var(--color-text-inverse);
  text-decoration: none;
  font-family: var(--font-serif);
  font-weight: var(--font-weight-base);
  font-size: var(--text-button-size);
  line-height: var(--text-button-lh);
  letter-spacing: var(--tracking-button);
  transition:
    background var(--motion-duration-fast) var(--motion-ease),
    transform var(--motion-duration-fast) var(--motion-ease-out),
    box-shadow var(--motion-duration-fast) var(--motion-ease-out);
}

.btn:hover,
.btn:focus-visible {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(201, 146, 38, 0.28);
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-text-inverse);
}

.cta__button {
  min-width: auto;
}

@media (max-width: 960px) {
  .btn {
    min-width: 180px;
    min-height: 44px;
    padding: 0.55rem 1.15rem;
  }
}

/* Footer */
.site-footer {
  --footer-instagram-width: min(1240px, calc(100% - 4rem));
  --footer-instagram-half-h: calc(
    var(--footer-instagram-width) / 5 / 2 + 1.25rem
  );
  position: relative;
  overflow: visible;
  margin-top: 380px;
  background: transparent;
}

.site-footer__instagram {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 3;
  padding-inline: var(--space-md);
  transform: translateY(-50%);
}

.site-footer__instagram-inner {
  max-width: var(--footer-instagram-width);
  margin-inline: auto;
}

.site-footer__instagram-feed #sb_instagram {
  margin: 0;
  padding: 0;
}

.site-footer__surface {
  position: relative;
  z-index: 1;
  padding-top: calc(var(--footer-instagram-half-h) + var(--space-lg));
  background-color: #e8f2f8;
  background-image: url("../images/bg_footer.jpg");
  background-repeat: no-repeat;
  background-position: center top;
  background-size: cover;
}

.site-footer__main {
  padding: var(--space-lg) 64px 120px var(--space-md);
}

.site-footer__main-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  max-width: var(--container-width);
  margin: 0 auto;
}

.site-footer__brand-col {
  min-width: 0;
}

.site-footer__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: 640px;
}

.site-footer__tagline {
  position: relative;
  z-index: 2;
  margin: 0 0 0.1rem;
  padding-left: 3.5rem;
  font-family: var(--font-serif);
  font-weight: var(--font-weight-base);
  font-size: 36px;
  line-height: 52px;
  letter-spacing: var(--tracking-display);
  color: var(--color-text);
}

.site-footer__brand .site-logo {
  position: relative;
  z-index: 1;
  display: block;
  width: min(477px, 100%);
  margin-top: -1rem;
  line-height: normal;
}

.site-footer__brand .site-logo picture {
  display: block;
  width: 100%;
  height: auto;
}

.site-footer__logo-image {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.site-footer__ibj {
  position: relative;
  z-index: 2;
  margin: -1rem 0 0;
  padding-left: 8rem;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(16px, 1.35vw, 18px);
  line-height: 1.6;
  letter-spacing: var(--tracking-body);
  color: var(--color-text);
}

.site-footer__actions-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5rem;
}

.site-footer__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.site-footer__links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  width: 100%;
}

.site-footer__nav .nav {
  flex-wrap: wrap;
  gap: 0.5rem 2.5rem;
}

.nav--footer .nav__link {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: var(--text-nav-size);
  line-height: var(--text-nav-lh);
  letter-spacing: 0.17em;
  color: var(--color-text);
}

.nav--footer .nav__link:hover,
.nav--footer .nav__link:focus-visible {
  color: var(--color-accent);
}

.site-footer__legal {
  width: 100%;
}

.site-footer__legal-list {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer__legal-link {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: var(--text-caption-size);
  line-height: var(--text-caption-lh);
  letter-spacing: var(--tracking-caption);
  color: var(--color-text);
  text-decoration: none;
}

.site-footer__legal-link:hover,
.site-footer__legal-link:focus-visible {
  color: var(--color-accent);
}

.site-footer__awards {
  padding: 0 var(--space-md) var(--space-md);
}

.site-footer__awards-list {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer__award {
  flex: 0 0 auto;
  width: 152px;
}

.site-footer__award-image {
  display: block;
  width: 100%;
  height: auto;
}

.site-footer__copy {
  margin: 0;
  padding: var(--space-md) var(--space-md) var(--space-lg);
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: var(--text-caption-size);
  line-height: var(--text-caption-lh);
  letter-spacing: var(--tracking-caption);
  text-align: center;
  color: var(--color-text-muted);
}

@media (min-width: 961px) {
  .site-footer__main-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xl);
  }

  .site-footer__actions-col {
    align-items: center;
    flex: 0 1 auto;
  }

  .site-footer__buttons {
    justify-content: flex-end;
  }

  .site-footer__links {
    align-items: flex-end;
  }

  .site-footer__nav .nav {
    justify-content: flex-end;
  }

  .site-footer__legal-list {
    justify-content: flex-end;
  }

  .site-footer__legal {
    margin-top: 0.75rem;
    padding-top: 0;
  }
}

/* Inner pages: show vertical KV logo in header bar */
body.is-past-kv:not(.has-hero-kv) .site-header__inner {
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

body.is-past-kv:not(.has-hero-kv) .site-header__brand {
  display: block;
  flex: 0 0 auto;
  min-width: 0;
  pointer-events: auto;
}

body.is-past-kv:not(.has-hero-kv) .site-header__brand .site-logo--kv picture,
body.is-past-kv:not(.has-hero-kv)
  .site-header__brand
  .site-logo--kv
  .site-logo__image {
  display: block;
  width: 63px;
  height: 86px;
  object-fit: contain;
}

body.is-past-kv:not(.has-hero-kv) .site-header__toggle {
  flex-shrink: 0;
}

@media (max-width: 960px) {
  .front-kv__bg-slide {
    background-image: var(--front-kv-bg-sp, var(--front-kv-bg-pc));
  }

  .front-kv__aside {
    width: auto;
    padding: 24px 0 0 20px;
  }

  .kv-nav {
    display: none;
  }

  body.has-hero-kv:not(.is-past-kv) .site-header {
    z-index: 200;
  }

  body.has-hero-kv:not(.is-past-kv) .site-header__toggle {
    visibility: visible;
    pointer-events: auto;
    animation: ichigo-kv-fade-in 1.15s var(--motion-ease-in-out) 1.05s both;
  }

  body.has-hero-kv:not(.is-past-kv) .site-header__panel {
    display: flex;
  }

  .front-kv__scroll-line {
    height: 48px;
  }

  .front-kv__title {
    font-size: clamp(24px, calc(24px + (100vw - 375px) * 16 / 585), 40px);
    line-height: 1.45;
    letter-spacing: 0.14em;
  }

  .front-kv__tagline {
    font-size: clamp(11px, calc(11px + (100vw - 375px) * 4 / 585), 15px);
    line-height: 1.45;
  }

  .site-header__inner {
    padding: 16px 16px 0;
  }

  body.is-past-kv:not(.has-hero-kv) .site-header__brand .site-logo--kv picture,
  body.is-past-kv:not(.has-hero-kv)
    .site-header__brand
    .site-logo--kv
    .site-logo__image {
    width: 52px;
    height: 71px;
  }

  .site-header__toggle,
  .site-header__close {
    width: 48px;
    height: 48px;
  }

  .site-header__close {
    top: 16px;
    right: 16px;
  }

  .site-header__panel {
    padding: 1.25rem;
  }

  .site-header__panel-inner {
    --panel-logo-h: 52px;
    gap: 1.15rem;
    transform: translateY(clamp(-1rem, -2.5vh, -0.35rem));
  }

  .site-header__social {
    margin-top: calc(1.25rem - 1.15rem);
  }

  .site-header__panel .nav--kv {
    gap: 1.15rem;
  }

  .site-footer__instagram {
    padding-inline: 1.25rem;
  }

  .site-footer {
    --footer-instagram-width: min(240px, calc(100% - 2.5rem));
    --footer-instagram-half-h: calc(
      var(--footer-instagram-width) / 2 + 0.75rem
    );
    --footer-sp-col-max: 280px;
    --footer-links-max: 320px;
    margin-top: 190px;
  }

  .site-footer__surface {
    padding-top: calc(var(--footer-instagram-half-h) + 2.25rem);
  }

  .site-footer__main {
    padding: 2rem 1.25rem 2.25rem;
  }

  .site-footer__main-inner {
    align-items: center;
    gap: 2.25rem;
  }

  .site-footer__brand-col {
    width: 100%;
  }

  .site-footer__brand {
    align-items: center;
    width: 100%;
    max-width: 100%;
    text-align: center;
  }

  .site-footer__tagline {
    margin-bottom: 0.05rem;
    padding-left: 0.5em;
    font-size: clamp(20px, 5.8vw, 26px);
    line-height: 1.45;
    text-align: center;
  }

  .site-footer__brand .site-logo {
    max-width: min(100%, 320px);
    margin-top: -0.65rem;
    margin-inline: auto;
  }

  .site-footer__logo-image {
    max-width: 100%;
  }

  .site-footer__ibj {
    margin-top: -0.5rem;
    padding-left: 0;
    text-align: center;
  }

  .site-footer__actions-col {
    align-items: center;
    gap: 2rem;
    width: 100%;
    margin-inline: auto;
  }

  .site-footer__buttons {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    width: auto;
  }

  .site-footer__buttons .btn {
    width: 100%;
    min-width: 210px;
    max-width: 210px;
  }

  .site-footer__links {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: min(100%, var(--footer-links-max));
    max-width: var(--footer-links-max);
    margin-inline: auto;
    margin-top: 0;
  }

  .site-footer__nav,
  .site-footer__legal {
    width: 100%;
  }

  .site-footer__nav .nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 1.75rem;
    row-gap: 1.15rem;
    width: 100%;
    margin: 0;
  }

  .nav--footer .nav__item:nth-child(1) {
    grid-column: 1;
    grid-row: 1;
  }

  .nav--footer .nav__item:nth-child(2) {
    grid-column: 2;
    grid-row: 1;
  }

  .nav--footer .nav__item:nth-child(3) {
    grid-column: 1;
    grid-row: 2;
  }

  .nav--footer .nav__item:nth-child(4) {
    grid-column: 2;
    grid-row: 2;
  }

  .nav--footer .nav__item:nth-child(5) {
    grid-column: 1;
    grid-row: 3;
  }

  .nav--footer .nav__item:nth-child(6) {
    grid-column: 2;
    grid-row: 3;
  }

  .nav--footer .nav__item--footer-success-stories {
    grid-column: 1 / -1;
    grid-row: 4;
  }

  .nav--footer .nav__item--footer-success-stories .nav__link {
    white-space: nowrap;
    letter-spacing: 0.1em;
  }

  .nav--footer .nav__link {
    font-size: 14px;
    line-height: 1.55;
    letter-spacing: 0.12em;
    text-align: left;
  }

  .site-footer__legal {
    --footer-legal-divider: rgba(76, 76, 76, 0.28);
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--footer-legal-divider);
  }

  .site-footer__legal-list {
    flex-wrap: nowrap;
    justify-content: center;
    gap: 0;
    width: 100%;
  }

  .site-footer__legal-item + .site-footer__legal-item {
    display: flex;
    align-items: center;
  }

  .site-footer__legal-item + .site-footer__legal-item::before {
    content: "";
    flex-shrink: 0;
    width: 1px;
    height: 0.65em;
    margin-inline: 0.65rem;
    background: var(--footer-legal-divider);
  }

  .site-footer__awards {
    padding: 1.5rem 1.25rem 0.375rem;
    overflow-x: visible;
  }

  .site-footer__awards-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0;
    width: min(100%, var(--footer-sp-col-max));
    margin-inline: auto;
    padding-bottom: 0;
  }

  .site-footer__award {
    flex: 0 0 88px;
    width: 88px;
  }

  .site-footer__copy {
    padding: 1.15rem 1.25rem 1.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}