@charset "UTF-8";

/* ========================================
   CSS Variables – LOSSCAN Design System
   ======================================== */
:root {
  --c-main:        #1E293B;
  --c-dark:        #0F172A;
  --c-sub:         #F8FAFC;
  --c-accent:      #F59E0B;
  --c-accent-dim:  rgba(245,158,11,0.12);
  --c-text:        #334155;
  --c-text-muted:  #64748B;
  --c-white:       #FFFFFF;
  --c-border:      #E2E8F0;

  --font-jp: "Noto Sans JP", sans-serif;
  --font-en: "Inter", sans-serif;

  --w-container: 1080px;
  --h-header:    72px;

  --r-sm: 4px;
  --r-md: 10px;
  --r-lg: 18px;

  --sh-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --sh-md: 0 4px 6px -1px rgba(0,0,0,.08), 0 2px 4px -1px rgba(0,0,0,.06);
  --sh-lg: 0 10px 15px -3px rgba(0,0,0,.10), 0 4px 6px -2px rgba(0,0,0,.05);
  --sh-xl: 0 20px 40px -8px rgba(0,0,0,.14), 0 8px 16px -4px rgba(0,0,0,.06);

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur: 0.3s;
}

/* ========================================
   Reset & Base
   ======================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--h-header);
}

body {
  font-family: var(--font-jp);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-text);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; transition: color var(--dur) var(--ease); }
img { max-width: 100%; height: auto; display: block; }
li  { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ========================================
   Layout Utilities
   ======================================== */
.container {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 0 clamp(16px, 5vw, 24px);
  width: 100%;
}

.section { padding: 96px 0; }
.section-bg   { background-color: var(--c-sub); }
.section-dark { background-color: var(--c-main); color: var(--c-white); }

/* Section header – business / modern */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-title {
  font-family: var(--font-en);
  font-size: clamp(1.25rem, 2.4vw, 1.75rem);
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--c-main);
  line-height: 1.2;
  display: inline-block;
  position: relative;
  padding-bottom: 14px;
  word-break: keep-all;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 2px;
  background: var(--c-accent);
}

.section-dark .section-title { color: var(--c-white); }
.section-dark .section-title::after { background: var(--c-accent); }

.section-subtitle {
  margin-top: 12px;
  font-size: .95rem;
  color: var(--c-text-muted);
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

/* Button – ビジネス向け四角形状・リッチ装飾 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 13px 34px;
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: var(--c-white);
  font-family: var(--font-en);
  font-weight: 700;
  font-size: .92rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  border-radius: 4px;
  border: 1px solid rgba(255,255,255,.2);
  box-shadow: 0 4px 16px rgba(245,158,11,.35),
              0 1px 0 rgba(255,255,255,.15) inset;
  transition: background var(--dur) var(--ease),
              transform var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
  cursor: pointer;
}
.btn:hover {
  background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245,158,11,.45),
              0 1px 0 rgba(255,255,255,.2) inset;
  border-color: rgba(255,255,255,.3);
}
.btn-sm { padding: 8px 20px; font-size: .78rem; letter-spacing: .1em; }

/* ========================================
   Header
   ======================================== */
.header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: var(--h-header);
  z-index: 1000;
  transition: background var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}

/* ヘッダーは Hero テキストエリア（kv__inner）と同じ左右余白で揃える */
.header .header-inner {
  max-width: none;
  margin: 0;
  padding-left: clamp(24px, 8vw, 120px);
  padding-right: clamp(24px, 8vw, 80px);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
}

.logo {
  font-family: var(--font-en);
  font-size: 1.38rem;
  font-weight: 800;
  letter-spacing: .2em;
  text-transform: uppercase;
  text-decoration: none;
  position: relative;
  display: inline-block;
  color: rgba(255, 255, 255, .95);
  transition: color var(--dur) var(--ease), opacity var(--dur) var(--ease);
  flex-shrink: 0;
}
.logo::after {
  content: none;
  display: none;
}
.logo:hover {
  opacity: .9;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}

.nav-item a {
  font-size: .84rem;
  font-weight: 500;
  color: rgba(255,255,255,.82);
  letter-spacing: .06em;
  position: relative;
}
.nav-item a:not(.btn)::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--c-accent);
  transition: width var(--dur) var(--ease);
}
.nav-item a:not(.btn):hover { color: var(--c-white); }
.nav-item a:not(.btn):hover::after { width: 100%; }

/* Scrolled state */
.header.is-scrolled {
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--c-border);
}
.header.is-scrolled .logo {
  color: var(--c-accent);
}
.header.is-scrolled .logo::after {
  content: none;
  display: none;
}
.header.is-scrolled .nav-item a:not(.btn) { color: var(--c-text); }
.header.is-scrolled .menu-toggle-line     { background: var(--c-main); }

/* Hamburger */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 18px;
  z-index: 1001;
}
.menu-toggle-line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--c-white);
  border-radius: 2px;
  transition: transform .3s, opacity .3s, background .3s;
}
.menu-toggle.is-active .menu-toggle-line:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-toggle.is-active .menu-toggle-line:nth-child(2) { opacity: 0; }
.menu-toggle.is-active .menu-toggle-line:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--c-main);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity .35s ease, visibility .35s ease;
}
.mobile-nav.is-open { opacity: 1; visibility: visible; }
.mobile-nav-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.4rem;
}
.mobile-nav-inner a {
  color: var(--c-white);
  font-family: var(--font-en);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: .12em;
}
.mobile-nav-inner a:hover { color: var(--c-accent); }

/* モバイルメニュー内 Contact ボタン – 四角・リッチ装飾 */
.mobile-nav__contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: var(--c-white) !important;
  border-radius: 4px;
  border: 1px solid rgba(255,255,255,.25);
  box-shadow: 0 4px 20px rgba(245,158,11,.35),
              0 1px 0 rgba(255,255,255,.2) inset;
  transition: background var(--dur) var(--ease),
              transform var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
.mobile-nav__contact:hover {
  background: linear-gradient(135deg, #d97706 0%, #b45309 100%) !important;
  color: var(--c-white) !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(245,158,11,.5),
              0 1px 0 rgba(255,255,255,.25) inset;
}
body.menu-open { overflow: hidden; }

/* ========================================
   KV (Hero) — Swiper full-screen slider
   ======================================== */
.kv {
  position: relative;
  height: 100vh;
  min-height: 680px;
  overflow: hidden;
  background: var(--c-dark);
}
@media (max-width: 768px) {
  .kv { height: 88vh; min-height: 520px; }
}

.kv__slider,
.kv__slide {
  width: 100%;
  height: 100%;
}

/* パララックス用：JS で transform を付与 */
.kv__slider {
  will-change: transform;
  transition: transform 0.15s ease-out;
}

/* スライド画像：下から上へ静かにパンするキーフレーム */
@keyframes kvBgPanUp {
  from { background-position: center calc(50% + 32px); }
  to   { background-position: center 50%; }
}

/* All slides: cover image + dark overlay */
.kv__slide {
  background-size: cover;
  background-position: center;
  position: relative;
}

/* アクティブになったスライドが下から上へパンしながら現れる */
.kv__slide.swiper-slide-active {
  animation: kvBgPanUp 1.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Dark gradient overlay (::before) – keeps text readable over any photo */
.kv__slide::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 18, 32, 0.82) 0%,
    rgba(15, 23, 42, 0.72) 50%,
    rgba(30, 41, 59, 0.60) 100%
  );
  z-index: 1;
  pointer-events: none;
}

/* スライド切り替え時の残像レイヤー（スライドした後に残るアニメーション） */
.kv__slide-ghost {
  position: absolute;
  inset: 0;
  z-index: 5;
  background-size: cover;
  background-position: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.05s ease-out;
}
.kv__slide-ghost.is-visible {
  opacity: 1;
  transition: none;
}
.kv__slide-ghost.is-leaving {
  opacity: 0;
  transform: translateY(-18%) scale(1.05);
  transition: transform 1.1s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.72s ease-out;
}
.kv__slide-ghost-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 18, 32, 0.82) 0%,
    rgba(15, 23, 42, 0.72) 50%,
    rgba(30, 41, 59, 0.6) 100%
  );
  pointer-events: none;
}

/* Content overlay – must be above slide ::before/::after (z:1,2) */
.kv__inner {
  position: absolute;
  left: clamp(24px, 8vw, 120px);
  right: clamp(24px, 8vw, 80px);
  bottom: clamp(80px, 18vh, 200px);
  max-width: min(720px, calc(100vw - 160px));
  z-index: 10;
  color: var(--c-white);
}

.kv__label {
  font-family: var(--font-en);
  font-size: clamp(.68rem, .95vw, .82rem);
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 20px;
  opacity: 0;
  animation: kvUp .8s var(--ease) forwards .3s;
}
.kv__label-saas {
  text-transform: none;
}

.kv__title {
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.3;
  letter-spacing: .03em;
  text-shadow: 0 4px 28px rgba(0,0,0,.4);
  margin-bottom: 24px;
  opacity: 0;
  animation: kvUp .85s var(--ease) forwards .55s;
}
.kv__title-line {
  display: block;
  font-size: clamp(1.75rem, 4.2vw, 3.5rem);
}
.kv__title-line:last-child {
  margin-top: 0.15em;
}

.kv__lead {
  font-size: clamp(.82rem, 1.1vw, .98rem);
  color: rgba(255,255,255,.8);
  line-height: 1.9;
  padding-left: 16px;
  border-left: 2px solid rgba(245,158,11,.6);
  margin-bottom: 24px;
  opacity: 0;
  animation: kvUp .8s var(--ease) forwards .8s;
}
.kv__lead p { margin-bottom: 2px; }
.kv__lead p:last-child { margin-bottom: 0; }

.kv__points {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 32px;
  opacity: 0;
  animation: kvUp .8s var(--ease) forwards 1.0s;
  overflow: hidden;
}

.kv__point {
  display: flex;
  align-items: center;
  font-size: clamp(1.05rem, 2.5vw, 1.45rem);
  font-weight: 700;
  color: rgba(255,255,255,.95);
  letter-spacing: .01em;
  line-height: 1.4;
  padding-left: 32px;
  position: relative;
  will-change: transform, opacity;
}
.kv__point::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f59e0b' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 6l6 6-6 6'/%3E%3C/svg%3E") no-repeat center / contain;
  filter: drop-shadow(0 0 8px rgba(245,158,11,.5));
  opacity: .95;
}

.kv__actions {
  opacity: 0;
  animation: kvUp .8s var(--ease) forwards 1.2s;
  margin-top: 16px;
}

.kv__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: var(--c-white);
  font-family: var(--font-en);
  font-weight: 700;
  font-size: .92rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  border-radius: 4px;
  border: 1px solid rgba(255,255,255,.25);
  box-shadow: 0 4px 22px rgba(245,158,11,.4),
              0 1px 0 rgba(255,255,255,.2) inset;
  transition: background var(--dur) var(--ease),
              transform var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}
.kv__btn:hover {
  background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(245,158,11,.55),
              0 1px 0 rgba(255,255,255,.25) inset;
  border-color: rgba(255,255,255,.35);
}

.kv__note {
  font-size: .72rem;
  color: rgba(255,255,255,.42);
  margin-top: 12px;
  opacity: 0;
  animation: kvUp .8s var(--ease) forwards 1.35s;
}

/* Right-side vertical pagination
   !important は Swiper の .swiper-pagination-horizontal (bottom/left/width) を上書きするために必須 */
.kv__pagination {
  position: absolute !important;
  top: 50% !important;
  right: clamp(16px, 3vw, 48px) !important;
  bottom: auto !important;
  left: auto !important;
  width: auto !important;
  transform: translateY(-50%) !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 20px !important;
  align-items: center !important;
  z-index: 10;
}

.kv__dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,.5);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  cursor: pointer;
  transition: border-color .3s var(--ease), transform .25s var(--ease), box-shadow .3s var(--ease);
  background: rgba(0, 0, 0, .2);
}
.kv__dot:hover {
  border-color: rgba(255,255,255,.75);
  transform: scale(1.1);
}
.kv__dot::after {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: transparent;
  transition: background .25s var(--ease), box-shadow .25s var(--ease), transform .25s var(--ease);
}
.kv__dot.is-active {
  border-color: var(--c-accent);
  background: rgba(245, 158, 11, .15);
  box-shadow: 0 0 0 2px rgba(245, 158, 11, .25), 0 0 16px rgba(245, 158, 11, .35);
}
.kv__dot.is-active::after {
  background: var(--c-accent);
  box-shadow: 0 0 10px rgba(245, 158, 11, .9);
  transform: scale(1);
}
/* アクティブドット: 中心から右に伸びるライン */
.kv__dot.is-active::before {
  content: "";
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  height: 1.5px;
  width: 44px;
  background: linear-gradient(to right, rgba(255,255,255,.85), rgba(255,255,255,.25));
  animation: kvDotLine .45s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  border-radius: 1px;
  pointer-events: none;
}
@keyframes kvDotLine {
  from { width: 0; opacity: 0; }
  to   { width: 44px; opacity: 1; }
}

/* Scroll indicator */
.kv__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 10;
  opacity: 0;
  animation: kvUp .8s var(--ease) forwards 1.5s;
}
.kv__scroll-label {
  font-family: var(--font-en);
  font-size: .62rem;
  font-weight: 600;
  letter-spacing: .26em;
  color: rgba(255,255,255,.45);
}
.kv__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,.5), transparent);
  transform-origin: top;
  animation: scrollDrop 1.7s ease-in-out infinite;
}

/* ========================================
   KV Custom Cursor
   ======================================== */

/* デスクトップ（hover対応デバイス）のみカーソル非表示にし custom cursor を有効化 */
@media (hover: hover) and (pointer: fine) {
  .kv { cursor: none; }
  .kv a,
  .kv button { cursor: none; }

  .kv__cursor {
    position: fixed;
    left: 0;
    top: 0;
    width: 84px;
    height: 84px;
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 4px;
    /* JS 側で left/top を直接更新。中心合わせは translate */
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity .4s ease,
                background .15s ease,
                border-color .15s ease,
                transform .15s ease;
    background: rgba(10, 18, 32, 0.62);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1.5px solid rgba(245, 158, 11, 0.55);
    box-shadow: 0 0 28px rgba(245, 158, 11, .1),
                0 0 0 1px rgba(245, 158, 11, .08) inset;
  }

  /* 外側の回転リング */
  .kv__cursor::before {
    content: "";
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 1px dashed rgba(245, 158, 11, 0.3);
    animation: kvCursorSpin 10s linear infinite;
    pointer-events: none;
  }

  /* 内側のグロー */
  .kv__cursor::after {
    content: "";
    position: absolute;
    inset: 8px;
    border-radius: 50%;
    border: 1px solid rgba(245, 158, 11, 0.15);
    pointer-events: none;
  }

  .kv__cursor.is-visible { opacity: 1; }

  /* クリック時 */
  .kv__cursor.is-clicking {
    background: rgba(245, 158, 11, 0.22);
    border-color: rgba(245, 158, 11, 0.9);
    transform: translate(-50%, -50%) scale(0.86);
    box-shadow: 0 0 32px rgba(245, 158, 11, .3),
                0 0 0 1px rgba(245, 158, 11, .18) inset;
    transition: transform .1s ease,
                background .1s ease,
                border-color .1s ease,
                box-shadow .1s ease;
  }

  /* リンクやボタンの上ではポインター形状に切り替え */
  .kv__cursor.is-pointer {
    width: 48px;
    height: 48px;
    background: rgba(245, 158, 11, 0.18);
    border-color: rgba(245, 158, 11, 0.8);
  }
  .kv__cursor.is-pointer .kv__cursor-label { opacity: 0; }

  .kv__cursor-icon {
    color: var(--c-accent);
    flex-shrink: 0;
    transition: transform .2s ease;
  }
  .kv__cursor.is-clicking .kv__cursor-icon {
    transform: translateX(3px);
  }

  .kv__cursor-label {
    font-family: var(--font-en);
    font-size: .5rem;
    font-weight: 700;
    letter-spacing: .24em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, .6);
    line-height: 1;
    transition: opacity .2s ease;
  }
}

@keyframes kvCursorSpin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ========================================
   Site-wide Laser Pointer Cursor（KV外）
   ======================================== */
@media (hover: hover) and (pointer: fine) {
  /* KV 外のすべての要素でデフォルトカーソルを非表示 */
  body { cursor: none; }
  /* KV セクションは独自カーソルがあるので KV 内のみ cursor: none を維持 */

  .site-cursor {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 9997;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity .25s ease;
  }
  .site-cursor.is-visible { opacity: 1; }
  .site-cursor.is-hidden  { opacity: 0; }

  /* 外側のソフトグロー（ハロー） */
  .site-cursor__halo {
    position: absolute;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle,
      rgba(245, 158, 11, .12) 0%,
      rgba(245, 158, 11, .04) 50%,
      transparent 75%
    );
    transition: transform .18s ease, opacity .18s ease;
  }

  /* 中心の発光ドット */
  .site-cursor__dot {
    position: absolute;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #f59e0b;
    box-shadow:
      0 0 0 1.5px rgba(245, 158, 11, .35),
      0 0 5px 2px rgba(245, 158, 11, .5),
      0 0 12px 5px rgba(245, 158, 11, .2);
    transition: transform .12s ease, box-shadow .12s ease;
  }

  /* リンク・ボタン上でドット拡大 */
  .site-cursor.is-hover .site-cursor__dot {
    transform: translate(-50%, -50%) scale(1.5);
    box-shadow:
      0 0 0 2px rgba(245, 158, 11, .45),
      0 0 8px 3px rgba(245, 158, 11, .6),
      0 0 18px 7px rgba(245, 158, 11, .25);
  }
  .site-cursor.is-hover .site-cursor__halo {
    transform: translate(-50%, -50%) scale(1.4);
    opacity: 1;
  }

  /* クリック時に収縮 */
  .site-cursor.is-clicking .site-cursor__dot {
    transform: translate(-50%, -50%) scale(0.7);
    box-shadow:
      0 0 0 2px rgba(245, 158, 11, .7),
      0 0 10px 4px rgba(245, 158, 11, .7),
      0 0 22px 10px rgba(245, 158, 11, .3);
    transition: transform .08s ease, box-shadow .08s ease;
  }
}

/* KV animations */
@keyframes kvUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes scrollDrop {
  0%   { transform: scaleY(0); transform-origin: top;    opacity: 1; }
  49%  { transform: scaleY(1); transform-origin: top;    opacity: 1; }
  50%  { transform: scaleY(1); transform-origin: bottom; opacity: 1; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* ========================================
   Problem Section – Pin + Card Convergence
   ======================================== */

.problem-section {
  background: var(--c-white);
  padding: 0;
}

/* ── Pin wrap ───────────────────────────────── */
.problem-pin-wrap {
  height: 260vh;
  position: relative;
  background: var(--c-white);
}

.problem-pinned {
  position: sticky;
  top: var(--h-header);
  height: calc(100vh - var(--h-header));
  background: var(--c-white);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.problem-pinned-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.problem-pinned-inner .section-header {
  margin-bottom: 32px;
}

/* ── Arena: 664 × 560px ─────────────────────── */
.problem-arena {
  position: relative;
  width: 664px;
  height: 560px;
  flex-shrink: 0;
}

/* ── Center photo ───────────────────────────── */
.problem-center {
  position: absolute;
  left: 172px;
  top: 140px;
  width: 320px;
  height: 280px;
  border-radius: 18px;
  overflow: hidden;
  box-shadow:
    0 24px 60px rgba(0, 0, 0, .18),
    0 8px 20px rgba(0, 0, 0, .10),
    0 0 0 1px rgba(0, 0, 0, .06);
  will-change: transform, opacity;
}

.problem-center img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

/* ── Cards ───────────────────────────────────────── */
.problem-card {
  position: absolute;
  width: 200px;
  height: 120px;
  padding: 12px 16px 14px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;
  background: var(--c-white);
  border: 1px solid rgba(0, 0, 0, .08);
  border-radius: 16px;
  box-shadow:
    0 2px 12px rgba(0, 0, 0, .06),
    0 8px 28px rgba(0, 0, 0, .08);
  will-change: transform, opacity;
}

/* 上部アンバーアクセント */
.problem-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--c-accent) 0%, rgba(245, 158, 11, .2) 100%);
  border-radius: 16px 16px 0 0;
}

/* 絶対座標 */
.problem-card--tl { left: 0;    top: 0;   }
.problem-card--tr { left: 464px; top: 0;   }
.problem-card--bl { left: 0;    top: 440px; }
.problem-card--br { left: 464px; top: 440px; }

.problem-card__text {
  font-size: .84rem;
  font-weight: 600;
  color: var(--c-main);
  line-height: 1.5;
  margin: 0;
  text-align: left;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  width: 100%;
}

/* ── Story text (after pin releases) ───────── */
.problem-story-wrap {
  background: linear-gradient(180deg, var(--c-sub) 0%, #f1f5f9 100%);
  padding: 80px 0;
}

.problem-story {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.problem-story__label {
  font-family: var(--font-en);
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 20px;
  display: block;
}

.problem-story__block {
  background: var(--c-white);
  border-radius: 16px;
  padding: 40px 44px 44px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, .06), 0 0 0 1px rgba(0, 0, 0, .04);
  border-left: 4px solid var(--c-accent);
  text-align: left;
}

.problem-story__p {
  font-size: 1rem;
  font-weight: 500;
  line-height: 2;
  color: var(--c-main);
  margin-bottom: 1.75rem;
}
.problem-story__p:last-child { margin-bottom: 0; }

.problem-story__p strong {
  font-weight: 700;
  color: var(--c-main);
  position: relative;
}
.problem-story__p strong::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--c-accent-dim);
  border-radius: 2px;
  z-index: -1;
}

/* ========================================
   Reason Section – ピン止め横スライド（見出しをピン内に統合）
   ======================================== */
.reason-section.section {
  padding-top: 0;
  padding-bottom: 0;
  margin-top: 0;
  margin-bottom: 0;
}

.reason-pin-wrap {
  width: 100%;
  height: 400vh;
  position: relative;
  background: var(--c-dark);
  color: var(--c-white);
  border-top: 1px solid rgba(255,255,255,.08);
  margin: 0;
}

.reason-pinned {
  position: sticky;
  top: var(--h-header);
  height: calc(100vh - var(--h-header));
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}

.reason-pinned__header {
  flex-shrink: 0;
  padding: 28px 0 20px;
  text-align: center;
}

.reason-pinned__title {
  font-family: var(--font-en);
  font-size: clamp(1.1rem, 2.2vw, 1.5rem);
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--c-white);
  margin: 0;
  position: relative;
  padding-bottom: 12px;
  display: inline-block;
}
.reason-pinned__title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 2px;
  background: var(--c-accent);
}

.reason-pinned__body {
  flex: 1;
  min-height: 0;
  width: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.reason-track {
  display: flex;
  height: 100%;
  width: 400vw;
  transform: translate3d(0,0,0);
  will-change: transform;
  flex-shrink: 0;
}

.reason-slide {
  width: 100vw;
  min-width: 100vw;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  padding: 2rem;
  box-sizing: border-box;
  flex-shrink: 0;
  background: var(--c-dark);
}

/* 4枚目: 比較スライド内容 */
.reason-slide--comparison {
  justify-content: center;
  padding: 2rem clamp(1.5rem, 6vw, 5rem) 3rem;
}
.reason-slide--comparison .reason-comparison {
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.22);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow:
    0 8px 32px rgba(0,0,0,.25),
    0 0 0 1px rgba(255,255,255,.08) inset;
  width: 100%;
  max-width: 800px;
  padding: 48px 56px;
  border-radius: 20px;
  margin-top: -5vh;
}

/* is-slide-4: Reasonの見出しをフェードアウト */
.reason-pinned .reason-pinned__header {
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.reason-pinned.is-slide-4 .reason-pinned__header {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-12px);
}

.reason-slide-img {
  width: min(90%, 480px);
  aspect-ratio: 3/2;
  border-radius: var(--r-md);
  overflow: hidden;
  flex-shrink: 0;
}

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

.reason-slide-num {
  font-family: var(--font-en);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--c-accent);
  letter-spacing: -.02em;
  line-height: 1;
}

.reason-slide-title {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  font-weight: 700;
  color: var(--c-white);
  text-align: center;
  line-height: 1.6;
  margin: 0;
}

.reason-slide-desc {
  font-size: .9rem;
  color: rgba(255,255,255,.78);
  max-width: 42ch;
  text-align: center;
  line-height: 1.75;
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reason-track,
  .kv__slider,
  .kv__point,
  .observe-fade,
  .plan-card,
  .service-item,
  .problem-item,
  .problem-card,
  .problem-center { transition: none !important; }
  .kv__slider,
  .kv__point,
  .problem-center,
  .problem-card,
  .reason-track,
  .voice-section__bg { will-change: auto !important; }
}

/* Comparison box（4枚目スライド内）— ガラスカード・視認性重視 */
.reason-comparison h3 {
  color: var(--c-white);
  text-align: center;
  font-size: clamp(1.15rem, 2.2vw, 1.4rem);
  font-weight: 800;
  margin-bottom: 32px;
  letter-spacing: .04em;
  text-shadow: 0 1px 2px rgba(0,0,0,.2);
}
.comparison-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
.comparison-list dt {
  font-family: var(--font-en);
  font-size: clamp(.9rem, 1.8vw, 1rem);
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--c-accent);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  text-shadow: 0 0 12px rgba(245,158,11,.25);
}
.comparison-list dt::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 8px rgba(245,158,11,.6);
  flex-shrink: 0;
}
.comparison-list dd {
  font-size: clamp(.8rem, 1.5vw, .9rem);
  color: rgba(255,255,255,.94);
  line-height: 1.6;
  font-weight: 500;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.comparison-summary {
  border-top: 1px solid rgba(255,255,255,.2);
  padding-top: 28px;
  text-align: center;
  font-size: clamp(1.02rem, 2vw, 1.15rem);
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.9;
  text-shadow: 0 1px 2px rgba(0,0,0,.15);
}

/* ========================================
   Voice Section — ホワイトボード＋名刺スクラップ調
   ======================================== */

/* セクション背景画像＋オーバーレイ（パララックス用に余裕を持たせて全面カバー） */
.voice-section {
  position: relative;
  background: var(--c-sub);
  overflow: hidden;
}

.voice-section__bg {
  position: absolute;
  left: 0;
  right: 0;
  top: -50%;
  height: 200%;
  background-image: url("../images/voice-bg.png");
  background-size: cover;
  background-position: 15% top;
  background-repeat: no-repeat;
  z-index: 0;
  will-change: transform;
}

.voice-section__overlay {
  position: absolute;
  inset: 0;
  background: rgba(248, 249, 251, .72);
  z-index: 1;
}

.voice-section .container {
  position: relative;
  z-index: 2;
}

/* ホワイトボード本体 */
.voice-board {
  position: relative;
  background: #f8f9fb;
  border: 1px solid #d4dce8;
  border-radius: 8px;
  box-shadow:
    0 0 0 3px #e8ecf2,
    0 2px 8px rgba(0, 0, 0, .06),
    0 8px 24px rgba(0, 0, 0, .08),
    inset 0 1px 0 rgba(255, 255, 255, .8),
    inset 0 -1px 0 rgba(0, 0, 0, .04);
  padding: 60px 40px 100px;
  overflow: visible;
}

/* カード配置用グリッド */
.voice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0 32px;
  align-items: start;
  /* 上下ずれを吸収する余白 */
  padding: 40px 0 60px;
}

.voice-card-wrap {
  position: relative;
}

/* カード背面の落ち影（ボードに貼り付けた奥行き） */
.voice-card__shadow {
  position: absolute;
  left: 10px;
  right: 10px;
  top: 28px;
  bottom: -20px;
  background: rgba(30, 50, 80, .18);
  filter: blur(22px);
  z-index: 0;
  border-radius: 6px;
}

/* 名刺カード本体：紙風 */
.voice-card {
  position: relative;
  background-color: #ffffff;
  border: 1px solid rgba(0, 0, 0, .09);
  border-radius: 3px;
  padding: 0;
  display: flex;
  flex-direction: column;
  min-height: 260px;
  overflow: hidden;
  z-index: 1;
  transition: transform .4s cubic-bezier(.16, 1, .3, 1), box-shadow .4s cubic-bezier(.16, 1, .3, 1);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, .9) inset,
    0 2px 4px rgba(0, 0, 0, .05),
    0 8px 18px rgba(0, 0, 0, .09),
    0 18px 36px rgba(0, 0, 0, .06);
}

/* 紙テクスチャ */
.voice-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.045'/%3E%3C/svg%3E");
  pointer-events: none;
  mix-blend-mode: multiply;
}

/* ── カードごとの上下ずれ：ラッパーの margin-top でレイアウトベース ──
   左：低め、中：高め、右：やや低め */
.voice-card-wrap:nth-child(1) { margin-top: 56px; }
.voice-card-wrap:nth-child(2) { margin-top: 0; }
.voice-card-wrap:nth-child(3) { margin-top: 36px; }

/* カード自体は回転のみ（手で貼ったようなランダムな傾き） */
.voice-card--1 { transform: rotate(-5.2deg); }
.voice-card--2 { transform: rotate(4deg); }
.voice-card--3 { transform: rotate(-3.5deg); }

.voice-card-wrap:nth-child(1) .voice-card__shadow { transform: translateX(5px); }
.voice-card-wrap:nth-child(2) .voice-card__shadow { transform: translateX(-3px); }
.voice-card-wrap:nth-child(3) .voice-card__shadow { transform: translateX(3px); }

/* ホバー：まっすぐ浮き上がる */
.voice-card-wrap:hover .voice-card {
  transform: translateY(-8px) rotate(0deg) scale(1.025);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, .9) inset,
    0 6px 12px rgba(0, 0, 0, .1),
    0 24px 48px rgba(0, 0, 0, .14),
    0 40px 80px rgba(0, 0, 0, .08);
}

/* 和紙テープ（ホワイトボードにカードを留める） */
.voice-card__tape {
  position: absolute;
  top: -10px;
  width: 72px;
  height: 24px;
  z-index: 3;
  background: rgba(245, 158, 11, .52);
  box-shadow: 0 2px 4px rgba(0, 0, 0, .18);
  border-radius: 2px;
  /* テープの端の半透明感 */
  -webkit-mask-image: linear-gradient(90deg, rgba(0,0,0,.7) 0%, rgba(0,0,0,1) 20%, rgba(0,0,0,1) 80%, rgba(0,0,0,.7) 100%);
  mask-image: linear-gradient(90deg, rgba(0,0,0,.7) 0%, rgba(0,0,0,1) 20%, rgba(0,0,0,1) 80%, rgba(0,0,0,.7) 100%);
}
.voice-card__tape--1 {
  left: 50%;
  transform: translateX(-50%) rotate(2.5deg);
}
.voice-card__tape--2 {
  right: 28px;
  transform: rotate(-4deg);
  background: rgba(245, 158, 11, .48);
}
.voice-card__tape--3 {
  left: 24px;
  transform: rotate(4.2deg);
  background: rgba(245, 158, 11, .44);
}

/* ヘッダー行：VOICE タグ・業種 ＋ 右上に顔写真 */
.voice-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 26px 22px 16px 22px;
  border-bottom: 1px dashed rgba(0, 0, 0, .12);
}

.voice-card__header-text {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
}

.voice-card__tag {
  font-family: var(--font-en);
  font-size: .50rem;
  font-weight: 800;
  letter-spacing: .24em;
  color: var(--c-accent);
  text-transform: uppercase;
  background: rgba(245, 158, 11, .1);
  border: 1px solid rgba(245, 158, 11, .22);
  padding: 2px 8px;
  display: inline-block;
  width: fit-content;
  border-radius: 2px;
}

.voice-card__attr {
  font-size: .82rem;
  font-weight: 700;
  color: var(--c-main);
  letter-spacing: .02em;
}

/* 右上：写真エリア（名刺の傾きに合わせてカードと一体で傾く） */
.voice-card__photo {
  width: 88px;
  height: 88px;
  flex-shrink: 0;
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, .9);
  outline: 1px solid rgba(0, 0, 0, .12);
  border-radius: 3px;
  background: var(--c-sub);
  box-shadow: 0 2px 8px rgba(0, 0, 0, .12);
}

.voice-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 本文引用 */
.voice-card__quote {
  font-size: .88rem;
  line-height: 1.85;
  color: #374151;
  padding: 20px 22px 28px 22px;
  flex: 1;
  position: relative;
  z-index: 1;
}

/* ========================================
   Service Section
   ======================================== */
.service-section {
  background: var(--c-main);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 1040px;
  margin: 0 auto;
}

.service-item {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 18px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 14px;
  padding: 28px 24px;
  min-width: 0;
  transition:
    background var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
  position: relative;
  overflow: hidden;
}
.service-item::before {
  content: none;
}
.service-item::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 14px;
  border-left: 3px solid transparent;
  transition: border-color var(--dur) var(--ease);
  pointer-events: none;
}
.service-item:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(245,158,11,.25);
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0,0,0,.25);
}
.service-item:hover::after {
  border-color: var(--c-accent);
}
.service-item--wide {
  grid-column: 1 / -1;
  flex-direction: row;
  align-items: center;
  background: rgba(245,158,11,.07);
  border-color: rgba(245,158,11,.2);
}
.service-item--wide:hover {
  background: rgba(245,158,11,.1);
}

/* アイコンボックス */
.service-item__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: rgba(245,158,11,.1);
  border: 1px solid rgba(245,158,11,.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-accent);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.service-item__icon svg {
  width: 20px;
  height: 20px;
}
.service-item:hover .service-item__icon {
  background: rgba(245,158,11,.18);
  border-color: rgba(245,158,11,.4);
}

/* テキスト部分 */
.service-item__body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 2px;
}
.service-item__num {
  font-family: var(--font-en);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--c-accent);
  line-height: 1;
}
.service-item__text {
  font-size: .95rem;
  font-weight: 600;
  color: rgba(255,255,255,.92);
  line-height: 1.55;
  margin: 0;
}
.service-item__sub {
  font-size: .78rem;
  font-weight: 400;
  color: rgba(255,255,255,.5);
  letter-spacing: .01em;
}

/* ========================================
   Flow Section – Visual
   ======================================== */
.flow-visual {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  max-width: 1140px;
  margin: 0 auto;
}

.flow-visual-item {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.flow-visual-icon-wrap {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 20px;
}

.flow-visual-icon {
  width: 84px;
  height: 84px;
  background: #7c86a1; /* Muted blue-grey like the image */
  color: var(--c-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 2;
  transition: transform .3s var(--ease), background .3s var(--ease);
  box-shadow: 0 10px 25px -5px rgba(124, 134, 161, 0.3);
}

.flow-visual-item:hover .flow-visual-icon {
  transform: translateY(-5px) scale(1.05);
  background: var(--c-main);
  box-shadow: 0 15px 30px -5px rgba(30, 41, 59, 0.4);
}

.flow-visual-arrow {
  position: absolute;
  right: -16px;
  top: 42px;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  color: var(--c-dark);
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color .25s var(--ease), transform .25s var(--ease);
}
.flow-visual-arrow svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  filter: drop-shadow(0 0.5px 0 rgba(0, 0, 0, .15));
}
.flow-visual-item:hover .flow-visual-arrow {
  color: var(--c-accent);
}

.flow-visual-title {
  font-family: var(--font-jp);
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--c-main);
  margin-bottom: 28px;
  position: relative;
}

.flow-visual-title::after {
  content: none;
  display: none;
}

.flow-visual-card {
  background: var(--c-white);
  padding: 24px 16px;
  border-radius: var(--r-md);
  box-shadow: 0 4px 20px rgba(0,0,0,.04);
  width: 100%;
  height: 120px;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(226, 232, 240, 0.6);
  transition: transform .3s var(--ease);
  box-sizing: border-box;
}

.flow-visual-item:hover .flow-visual-card {
  transform: translateY(-2px);
  border-color: var(--c-accent);
}

.flow-visual-card p {
  font-size: .84rem;
  line-height: 1.6;
  color: var(--c-text);
  font-weight: 500;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-align: center;
  width: 100%;
}

/* Responsive */
@media (max-width: 1024px) {
  .flow-visual {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px 20px;
  }
  /* 中間幅では矢印をアイコン右側に表示（ベースの right: -16px を継承） */
}

@media (max-width: 640px) {
  .flow-visual {
    grid-template-columns: 1fr;
    max-width: 320px;
  }
  .flow-visual-icon {
    width: 72px;
    height: 72px;
    padding: 18px;
  }
}

/* ========================================
   Plan Section – Premium Dark
   ======================================== */

/* Dark backdrop – same world as the hero */
#plan {
  background: linear-gradient(160deg, #0c1624 0%, #0f172a 55%, #111827 100%);
  position: relative;
  overflow: hidden;
}
#plan::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245,158,11,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,158,11,.025) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}
/* Soft amber radial glow in the background */
#plan::after {
  content: "";
  position: absolute;
  top: -10%;
  right: -5%;
  width: 55%;
  height: 70%;
  background: radial-gradient(ellipse, rgba(245,158,11,.07) 0%, transparent 70%);
  pointer-events: none;
}
#plan .section-title { color: var(--c-white); }
#plan .section-title::after { background: var(--c-accent); opacity: 1; }

/* ── Lite Plan ── featured premium banner ─────────── */
.plan-lite {
  position: relative;
  background: linear-gradient(135deg,
    rgba(30,41,59,.92) 0%,
    rgba(17,25,40,.95) 100%);
  border: 1px solid rgba(245,158,11,.3);
  border-radius: 22px;
  padding: 52px 60px;
  display: grid;
  grid-template-columns: 220px 1fr auto;
  gap: 52px;
  align-items: center;
  margin-bottom: 20px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(245,158,11,.1) inset,
    0 0 60px rgba(245,158,11,.10),
    0 24px 48px rgba(0,0,0,.5);
  z-index: 1;
}
/* Amber left-edge glow bar */
.plan-lite::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: linear-gradient(to bottom,
    transparent 0%,
    var(--c-accent) 35%,
    var(--c-accent) 65%,
    transparent 100%);
}
/* Top-right corner glow */
.plan-lite::after {
  content: "";
  position: absolute;
  top: -30%;
  right: -5%;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(245,158,11,.12) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.plan-lite > * { position: relative; z-index: 1; }

.plan-lite-price { text-align: center; }

.plan-lite-name {
  font-family: var(--font-en);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .28em;
  color: var(--c-accent);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.plan-lite-amount {
  font-family: var(--font-en);
  font-size: 4rem;
  font-weight: 800;
  color: var(--c-white);
  line-height: 1;
  letter-spacing: -.03em;
}
.plan-lite-amount span {
  font-size: .95rem;
  font-weight: 500;
  color: rgba(255,255,255,.88);
  letter-spacing: 0;
}
.plan-lite-tax {
  font-size: .7rem;
  color: rgba(255,255,255,.72);
  margin-top: 8px;
}

.plan-lite-tagline {
  font-size: .86rem;
  font-weight: 500;
  color: rgba(255,255,255,.92);
  margin-bottom: 20px;
  line-height: 1.6;
  font-style: italic;
}
.plan-lite-features {
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.plan-lite-features li {
  font-size: .88rem;
  font-weight: 500;
  color: rgba(255,255,255,.92);
  padding-left: 24px;
  position: relative;
  line-height: 1.55;
}
/* Circle + check icon bullet */
.plan-lite-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 1.5px solid rgba(245,158,11,.55);
  background: rgba(245,158,11,.1);
}
.plan-lite-features li::after {
  content: "✓";
  position: absolute;
  left: 2px;
  top: 50%;
  transform: translateY(-50%);
  font-size: .56rem;
  color: var(--c-accent);
  font-weight: 700;
}

.plan-lite-cta { text-align: center; }
.plan-lite-note {
  margin-top: 12px;
  font-size: .67rem;
  color: rgba(255,255,255,.7);
  max-width: 160px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.55;
}

/* ── Other plans grid ────────────────────────────── */
.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.plan-card {
  background: rgba(255,255,255,.025);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 18px;
  padding: 34px 26px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition:
    transform .35s var(--ease),
    border-color .35s var(--ease),
    box-shadow .35s var(--ease);
}
/* Top highlight line – expands on hover */
.plan-card::before {
  content: "";
  position: absolute;
  top: 0; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg,
    transparent, rgba(245,158,11,.5), transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .5s var(--ease);
}
.plan-card:hover {
  transform: translateY(-7px);
  border-color: rgba(245,158,11,.28);
  box-shadow:
    0 16px 40px rgba(0,0,0,.45),
    0 0 28px rgba(245,158,11,.07);
}
.plan-card:hover::before { transform: scaleX(1); }

.plan-name {
  font-family: var(--font-en);
  font-size: .72rem;
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: .22em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.plan-price {
  font-family: var(--font-en);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--c-white);
  line-height: 1;
  margin-bottom: 4px;
  letter-spacing: -.02em;
}
.plan-price span {
  font-size: .88rem;
  font-weight: 500;
  color: rgba(255,255,255,.82);
  letter-spacing: 0;
}
.plan-tax {
  font-size: .7rem;
  color: rgba(255,255,255,.68);
  margin-bottom: 16px;
}
.plan-desc {
  font-size: .8rem;
  font-weight: 500;
  color: rgba(255,255,255,.9);
  line-height: 1.65;
  min-height: 2.8em;
  margin-bottom: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.plan-features { text-align: left; }
.plan-features li {
  font-size: .82rem;
  font-weight: 500;
  color: rgba(255,255,255,.88);
  padding: 8px 0 8px 20px;
  position: relative;
  line-height: 1.55;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.plan-features li:last-child { border-bottom: none; }
.plan-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid rgba(245,158,11,.45);
}

/* ── Options ─────────────────────────────────────── */
.options-box {
  background: rgba(255,255,255,.025);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 18px;
  padding: 36px 48px;
}
.options-box h3 {
  font-family: var(--font-en);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,.14);
}
.options-box ul {
  font-size: .88rem;
  line-height: 1.9;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.options-box li {
  font-weight: 500;
  color: rgba(255,255,255,.92);
  padding-left: 18px;
  position: relative;
}
.options-box li::before {
  content: "·";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--c-accent);
  font-size: 1.4rem;
  line-height: 1.2;
}
.options-box li span {
  font-size: .78rem;
  font-weight: 500;
  color: rgba(255,255,255,.78);
}

/* ========================================
   FAQ Section – Accordion
   ======================================== */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--c-border);
  overflow: hidden;
  transition: background .3s var(--ease);
}
.faq-item:first-child { border-top: 1px solid var(--c-border); }
.faq-item.is-open {
  background: var(--c-white);
  box-shadow: var(--sh-md);
  border-color: transparent;
  border-radius: var(--r-md);
  margin: 4px 0;
}

/* Question – button */
.faq-q {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 22px 20px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-jp);
  font-size: .95rem;
  font-weight: 700;
  color: var(--c-main);
  line-height: 1.5;
  transition: color .25s var(--ease);
}
.faq-q:hover { color: var(--c-accent); }
.faq-item.is-open .faq-q { color: var(--c-accent); }

/* Q badge */
.faq-q::before {
  content: "Q";
  flex-shrink: 0;
  width: 28px; height: 28px;
  background: var(--c-accent);
  color: #fff;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: .7rem;
  font-weight: 700;
  transition: background .25s var(--ease);
}
.faq-item.is-open .faq-q::before {
  background: var(--c-main);
}

.faq-q-text { flex: 1; min-width: 0; }

/* Plus → × icon */
.faq-icon {
  flex-shrink: 0;
  width: 20px; height: 20px;
  position: relative;
}
.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: 14px; height: 2px;
  background: var(--c-text-muted);
  border-radius: 1px;
  transform: translate(-50%, -50%);
  transition: transform .4s var(--ease), opacity .3s;
}
.faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}
/* Open state: horizontal bar stays, vertical rotates to 0 (= × becomes —) */
.faq-item.is-open .faq-icon::before {
  background: var(--c-accent);
  transform: translate(-50%, -50%) rotate(45deg);
}
.faq-item.is-open .faq-icon::after {
  background: var(--c-accent);
  transform: translate(-50%, -50%) rotate(-45deg);
}

/* Answer – collapsible body (JS uses grid trick) */
.faq-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .45s cubic-bezier(0.4, 0, 0.2, 1);
}
.faq-body:not([hidden]) {
  display: grid;
  grid-template-rows: 1fr;
}
.faq-body[hidden] {
  display: grid;
  visibility: hidden;
}

.faq-body-inner {
  overflow: hidden;
}

.faq-a {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 0 20px 22px 20px;
  font-size: .88rem;
  color: var(--c-text);
  line-height: 1.9;
}
.faq-a::before {
  content: "A";
  flex-shrink: 0;
  width: 28px; height: 28px;
  background: var(--c-sub);
  border: 1.5px solid var(--c-border);
  color: var(--c-main);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: .7rem;
  font-weight: 700;
  margin-top: 1px;
  flex-shrink: 0;
}

/* ========================================
   Company Section
   ======================================== */
.company-table-wrap {
  max-width: 720px;
  margin: 0 auto 32px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.company-table {
  width: 100%;
  min-width: 320px;
  border-collapse: collapse;
  margin: 0;
}
.company-table th,
.company-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--c-border);
  font-size: .9rem;
  text-align: left;
  vertical-align: top;
  overflow-wrap: break-word;
}
.company-table th {
  width: 160px;
  font-weight: 700;
  color: var(--c-main);
  background: var(--c-sub);
}

.company-table td small {
  font-size: .8rem;
  color: var(--c-text-muted);
  font-weight: 400;
}

.company-table a {
  color: var(--c-accent);
  text-decoration: none;
  font-weight: 600;
}

.company-table a:hover { text-decoration: underline; }

.company-map-wrap {
  max-width: 720px;
  margin: 0 auto;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--c-border);
}

.company-map {
  display: block;
  width: 100%;
  height: 280px;
  max-height: 50vw;
}

.company-map-link {
  margin: 12px 0 0;
  text-align: center;
  font-size: .85rem;
}

.company-map-link a {
  color: var(--c-accent);
  text-decoration: none;
  font-weight: 600;
}

.company-map-link a:hover { text-decoration: underline; }

/* ========================================
   Contact Section
   ======================================== */
.contact-form {
  max-width: 560px;
  margin: 0 auto;
  background: var(--c-white);
  padding: 44px 40px;
  border-radius: var(--r-lg);
  box-shadow: var(--sh-xl);
}

.form-group { margin-bottom: 20px; }

.form-label {
  display: block;
  font-size: .88rem;
  font-weight: 600;
  color: var(--c-main);
  margin-bottom: 6px;
}
.form-required { color: #e53e3e; margin-left: 2px; }

.form-input,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--c-border);
  border-radius: var(--r-md);
  font-family: inherit;
  font-size: .92rem;
  color: var(--c-text);
  background: var(--c-sub);
  outline: none;
  transition: border-color var(--dur) var(--ease),
              background var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
.form-input:focus,
.form-textarea:focus {
  border-color: var(--c-accent);
  background: var(--c-white);
  box-shadow: 0 0 0 3px var(--c-accent-dim);
}
.form-input.is-error,
.form-textarea.is-error {
  border-color: #e53e3e;
  box-shadow: 0 0 0 3px rgba(229,62,62,.1);
}
.form-textarea {
  height: 140px;
  resize: vertical;
}
.form-submit { text-align: center; margin-top: 8px; }

/* ========================================
   Footer
   ======================================== */
.footer {
  background: var(--c-dark);
  color: rgba(255,255,255,.55);
  padding: 40px 0 0;
}

.footer-brand {
  text-align: center;
  margin-bottom: 24px;
}
.footer-brand .logo {
  font-family: var(--font-en);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-accent);
  display: inline-block;
  margin-bottom: 8px;
  position: relative;
  transition: opacity var(--dur) var(--ease);
}
.footer-brand .logo::after {
  content: none;
  display: none;
}
.footer-brand p {
  font-size: .78rem;
  line-height: 1.6;
  color: rgba(255,255,255,.55);
  letter-spacing: .02em;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 24px;
  padding-bottom: 32px;
}
.footer-nav a {
  font-size: .8rem;
  color: rgba(255,255,255,.6);
  transition: color var(--dur) var(--ease);
}
.footer-nav a:hover { color: var(--c-accent); }

.copyright {
  border-top: 1px solid rgba(255,255,255,.07);
  padding: 16px 0;
  text-align: center;
  font-size: .7rem;
  color: rgba(255,255,255,.3);
}

/* ========================================
   Floating CTA – bottom right（Contact右端に合わせる）
   ======================================== */
.float-cta {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 0;
  animation: floatSlideIn .7s cubic-bezier(0.4, 0, 0.2, 1) forwards .8s;
  opacity: 0;
  transform: translateY(40px);
}

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

.float-cta__btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 80px;
  padding: 18px 0;
  border: none;
  cursor: pointer;
  text-decoration: none;
  font-family: var(--font-jp);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  line-height: 1.2;
  transition:
    background .25s var(--ease),
    transform .25s var(--ease),
    box-shadow .25s var(--ease);
}

.float-cta__btn svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  transition: transform .3s var(--ease);
}

.float-cta__btn:hover svg {
  transform: scale(1.15);
}

.float-cta__btn--login {
  position: relative;
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: var(--c-white);
  box-shadow: 0 4px 20px rgba(245,158,11,.35), 0 1px 0 rgba(255,255,255,.2) inset;
  border: 1px solid rgba(255,255,255,.25);
}
.float-cta__btn--login:hover {
  background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(245,158,11,.5), 0 1px 0 rgba(255,255,255,.25) inset;
  color: var(--c-white);
}

.float-cta__btn::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: rgba(255,255,255,.5);
  opacity: 0;
  transition: opacity .25s;
  border-radius: 0 2px 2px 0;
}
.float-cta__btn--login:hover::before { opacity: 1; }

/* ========================================
   Scroll Fade (JS driven)
   ======================================== */
.observe-fade {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .75s var(--ease), transform .75s var(--ease);
}
.observe-fade.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   Mobile menu
   ======================================== */
.header.is-scrolled .menu-toggle-line { background: var(--c-main); }

/* ========================================
   Responsive – tablet (≤1024px)
   ======================================== */
@media (max-width: 1024px) {
  /* Voice */
  .voice-grid { grid-template-columns: repeat(2, 1fr); gap: 40px 24px; }
  .voice-board { padding: 40px 24px 60px; }
  .voice-card-wrap:nth-child(1) { margin-top: 40px; }
  .voice-card-wrap:nth-child(2) { margin-top: 0; }
  .voice-card-wrap:nth-child(3) { margin-top: 24px; }

  .plan-lite {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .plan-lite-cta { display: flex; flex-direction: column; align-items: center; }
  .plan-lite-features { text-align: left; max-width: 360px; margin: 0 auto; }

  .reason-slide--comparison .reason-comparison { padding: 36px 28px; }
  .comparison-list   { grid-template-columns: 1fr; gap: 24px; margin-bottom: 28px; }
  .reason-comparison h3 { font-size: 1.12rem; margin-bottom: 24px; }
  .comparison-list dd { font-size: .85rem; }
  .comparison-summary { font-size: 1rem; padding-top: 24px; }

  .options-box { padding: 32px 36px; }

}

/* ========================================
   Responsive – mobile (≤768px)
   ======================================== */
@media (max-width: 768px) {
  :root { --h-header: 62px; }

  .nav { display: none; }
  .menu-toggle { display: flex; }
  .logo { letter-spacing: .14em; font-size: 1.25rem; }
  .footer-brand .logo { letter-spacing: .12em; font-size: 1.1rem; }

  .section { padding: 64px 0; }
  .section-header { margin-bottom: 44px; }

  /* KV – スマホではヒーロー縦幅を抑える */
  .kv { height: 88vh; min-height: 520px; }
  .kv__inner {
    left: 20px;
    right: 56px;
    bottom: 64px;
    max-width: none;
  }
  .kv__title-line {
    font-size: clamp(1.5rem, 6.5vw, 2.4rem);
  }
  .kv__lead { font-size: clamp(.8rem, 2.5vw, .95rem); }
  .kv__point { font-size: clamp(.95rem, 3.5vw, 1.1rem); }
  .kv__pagination {
    right: 10px !important;
    left: auto !important;
    bottom: auto !important;
    width: auto !important;
  }

  /* Problem – モバイルはピン解除、グリッドレイアウトに切り替え */
  .problem-pin-wrap  { height: auto; }
  .problem-pinned    { position: static; height: auto; overflow: visible; padding: 64px 0 40px; }

  .problem-arena {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "tl tr"
      "center center"
      "bl br";
    gap: 12px;
    width: auto;
    height: auto;
    max-width: 480px;
    margin: 0 auto;
    padding: 0 20px;
  }

  .problem-center {
    position: static;
    width: 100%;
    height: 260px;
    grid-area: center;
    border-radius: 14px;
  }

  .problem-card {
    position: static;
    width: auto;
    height: auto;
    opacity: 1 !important;
    transform: none !important;
  }

  .problem-card--tl { grid-area: tl; }
  .problem-card--tr { grid-area: tr; }
  .problem-card--bl { grid-area: bl; }
  .problem-card--br { grid-area: br; }

  .problem-story-wrap { padding: 56px 0; }
  .problem-story__block { padding: 32px 28px 36px; }
  .problem-story__p { font-size: .95rem; margin-bottom: 1.5rem; }

  /* Reason */
  /* Reason – 上下余白なし・タブレットではスクロール量をやや短く */
  .reason-section.section { padding-top: 0; padding-bottom: 0; }
  .reason-pin-wrap { height: 360vh; }
  .reason-pinned__header { padding: 20px 0 14px; }
  .reason-pinned__title { font-size: clamp(1rem, 3vw, 1.25rem); padding-bottom: 10px; }
  .reason-pinned__title::after { width: 24px; }
  .reason-slide { padding: 1.5rem 1rem; }
  .reason-slide-img { width: min(95%, 360px); }

  /* Voice */
  .voice-grid { grid-template-columns: 1fr; gap: 48px 0; padding: 16px 0 32px; }
  .voice-board { padding: 32px 16px 48px; }
  .voice-card { min-height: 220px; }
  .voice-card-wrap:nth-child(1),
  .voice-card-wrap:nth-child(2),
  .voice-card-wrap:nth-child(3) { margin-top: 0; }
  .voice-card--1 { transform: rotate(-4deg); }
  .voice-card--2 { transform: rotate(3.2deg); }
  .voice-card--3 { transform: rotate(-2.8deg); }
  .voice-card-wrap:hover .voice-card { transform: translateY(-4px) rotate(0) scale(1.01); }

  /* Service */
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .service-item--wide { grid-column: 1 / -1; }

  /* Flow – スマホでは矢印非表示 */
  .flow-visual {
    grid-template-columns: 1fr;
    max-width: 320px;
    gap: 40px;
  }
  .flow-visual-item { width: 100%; }
  .flow-visual-arrow { display: none; }
  .flow-visual-arrow svg { width: 20px; height: 20px; }

  /* Plan */
  .plan-lite { padding: 32px 24px; gap: 28px; }
  .plan-grid { grid-template-columns: 1fr; }

  /* Company */
  .company-table th { width: 110px; }

  /* Contact */
  .contact-form { padding: 32px 20px; }

  /* Footer */

  /* Floating CTA – 768px以下で小さく・下寄せ */
  .float-cta { right: 20px; bottom: 20px; }
  .float-cta__btn { width: 64px; padding: 14px 0; font-size: .64rem; }
  .float-cta__btn svg { width: 20px; height: 20px; }

  .options-box { padding: 28px 24px; }
}

/* ========================================
   Responsive – small mobile (≤480px)
   ======================================== */
@media (max-width: 480px) {
  .section { padding: 48px 0; }
  .section-header { margin-bottom: 36px; }

  .logo { letter-spacing: .1em; font-size: 1.15rem; }
  .footer-brand .logo { letter-spacing: .08em; font-size: 1rem; }

  /* KV – 小さいスマホではさらに縦幅を抑える */
  .kv { height: 85vh; min-height: 460px; }
  .kv__inner { left: 16px; right: 48px; bottom: 56px; }
  .kv__title-line { font-size: clamp(1.4rem, 8vw, 2rem); }
  .kv__btn { padding: 12px 28px; font-size: .88rem; }
  .kv__point { font-size: .9rem; padding-left: 28px; }
  .kv__scroll { bottom: 20px; }

  /* Problem */
  .problem-arena { grid-template-columns: 1fr; grid-template-areas: "center" "tl" "tr" "bl" "br"; padding: 0 16px; }
  .problem-center { height: 280px; }
  .problem-card__text { font-size: .82rem; }
  .problem-story-wrap { padding: 40px 0; }
  .problem-story__block { padding: 24px 20px 28px; border-radius: 12px; }
  .problem-story__p { font-size: .9rem; line-height: 1.95; margin-bottom: 1.35rem; }
  .problem-story__label { font-size: .78rem; margin-bottom: 16px; }

  /* Reason – 上下余白なし・スマホではスクロール量を短く */
  .reason-section.section { padding-top: 0; padding-bottom: 0; }
  .reason-pin-wrap { height: 320vh; }
  .reason-pinned__header { padding: 16px 0 12px; }
  .reason-pinned__title { font-size: .95rem; letter-spacing: .16em; padding-bottom: 8px; }
  .reason-pinned__title::after { width: 20px; }
  .reason-slide { padding: 1rem; }
  .reason-slide-num { font-size: 2.2rem; }
  .reason-slide-title { font-size: clamp(.95rem, 4vw, 1.1rem); }
  .reason-slide-desc { font-size: .85rem; max-width: 100%; }
  .reason-slide--comparison .reason-comparison { padding: 28px 18px; border-radius: 16px; }
  .reason-slide--comparison .reason-comparison { margin-top: -3vh; }
  .reason-comparison h3 { font-size: 1.05rem; margin-bottom: 22px; }
  .comparison-list dt { font-size: .88rem; }
  .comparison-list dd { font-size: .8rem; }
  .comparison-summary { font-size: .94rem; padding-top: 22px; }

  /* Voice */
  .voice-card__header { padding: 20px 16px 14px 18px; }
  .voice-card__photo { width: 72px; height: 72px; }
  .voice-card__quote { font-size: .83rem; padding: 16px 16px 22px 18px; }

  /* Service */
  .service-grid { grid-template-columns: 1fr; }
  .service-item { padding: 20px 18px; gap: 14px; }
  .service-item__icon { width: 38px; height: 38px; border-radius: 8px; }
  .service-item__icon svg { width: 18px; height: 18px; }
  .service-item__text { font-size: .88rem; }
  .service-item__sub { font-size: .74rem; }

  /* Flow */
  .flow-visual { max-width: 100%; gap: 32px; }
  .flow-visual-icon { width: 64px; height: 64px; padding: 18px; }
  .flow-visual-arrow svg { width: 18px; height: 18px; }
  .flow-visual-title { font-size: .88rem; margin-bottom: 20px; }
  .flow-visual-card { padding: 18px 12px; height: 100px; min-height: 100px; }
  .flow-visual-card p { font-size: .78rem; }

  /* Plan */
  .plan-lite { padding: 24px 16px; gap: 24px; }
  .plan-lite-amount { font-size: 3rem; }
  .plan-lite-features li { font-size: .82rem; }
  .plan-card { padding: 24px 18px; }
  .plan-price { font-size: 2.2rem; }
  .plan-features li { font-size: .78rem; padding-left: 18px; }

  .options-box { padding: 24px 16px; }
  .options-box ul { font-size: .82rem; gap: 12px; }
  .options-box li span { font-size: .74rem; }

  /* FAQ */
  .faq-q { padding: 16px 14px; font-size: .88rem; }
  .faq-q::before { width: 24px; height: 24px; font-size: .65rem; }
  .faq-a { padding: 0 14px 18px; font-size: .84rem; }
  .faq-a::before { width: 24px; height: 24px; font-size: .65rem; }

  /* Company */
  .company-table-wrap { margin-bottom: 24px; }
  .company-table th,
  .company-table td { padding: 12px 14px; font-size: .82rem; }
  .company-table th { width: 100px; }
  .company-map { height: 240px; }

  /* Contact */
  .contact-form { padding: 24px 16px; }
  .form-group { margin-bottom: 16px; }
  .form-label { font-size: .82rem; }

  /* Footer */
  .footer { padding-top: 32px; }
  .footer-nav { padding-bottom: 24px; gap: 6px 16px; }
  .footer-nav a { font-size: .76rem; }
  .copyright { padding: 14px 0; font-size: .66rem; }

  /* Floating CTA – 480px以下でさらに小さく */
  .float-cta { right: 16px; bottom: 16px; }
  .float-cta__btn { width: 56px; padding: 12px 0; font-size: .58rem; }
  .float-cta__btn svg { width: 18px; height: 18px; }
}

/* ========================================
   Legal pages（利用規約・プライバシー・特商法）
   ヘッダー・フッター・カーソルはトップと共通。.legal-page は常に白ヘッダー用の上書きのみ。
   ======================================== */
.legal-page .header { background: rgba(255,255,255,.98); box-shadow: 0 1px 0 var(--c-border); }
.legal-page .logo {
  color: var(--c-accent);
}
.legal-page .logo::after { content: none; display: none; }

.legal-main {
  padding: calc(var(--h-header) + 48px) 0 80px;
  background: var(--c-sub);
  min-height: 60vh;
}

.container--narrow {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 clamp(16px, 5vw, 24px);
}

.legal-title {
  font-family: var(--font-en);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-main);
  margin-bottom: 40px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--c-accent);
}

.legal-lead {
  font-size: .95rem;
  color: var(--c-text);
  line-height: 1.9;
  margin-bottom: 40px;
}

.legal-block {
  background: var(--c-white);
  border-radius: var(--r-md);
  padding: 28px 32px;
  margin-bottom: 20px;
  border: 1px solid var(--c-border);
}

.legal-block h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-main);
  margin-bottom: 14px;
  padding-left: 12px;
  border-left: 3px solid var(--c-accent);
}

.legal-block p {
  font-size: .9rem;
  color: var(--c-text);
  line-height: 1.85;
  margin-bottom: 12px;
}

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

.legal-block ul {
  margin: 8px 0 0;
  padding-left: 1.4rem;
}

.legal-block li {
  font-size: .9rem;
  color: var(--c-text);
  line-height: 1.8;
  margin-bottom: 4px;
}

.legal-dl {
  margin: 0;
}

.legal-dl dt {
  font-size: .8rem;
  font-weight: 700;
  color: var(--c-main);
  margin-top: 14px;
  margin-bottom: 4px;
}

.legal-dl dt:first-child { margin-top: 0; }

.legal-dl dd {
  font-size: .9rem;
  color: var(--c-text);
  line-height: 1.75;
  margin: 0;
}