/* ============================================================
   Aoisuisen Service Theme - Main Stylesheet
   碧推薦学院 サービスサイト
   ============================================================ */

/* --- Design Tokens --- */
:root {
  --aoiserv-bg:       #EFEFE6;
  --aoiserv-fg:       #002715;
  --aoiserv-accent:   #F04D3D;
  --aoiserv-cta:      #00d42a;
  --aoiserv-deep:     #032416;
  --aoiserv-fg-10:    rgba(0,39,21,0.1);
  --aoiserv-fg-20:    rgba(0,39,21,0.2);
  --aoiserv-fg-40:    rgba(0,39,21,0.4);
  --aoiserv-fg-60:    rgba(0,39,21,0.6);
  --aoiserv-fg-80:    rgba(0,39,21,0.8);
  --aoiserv-bg-alt:   #f0f0e9;
  --font-serif:       "TsukuAOldMincho-N", "Zen Old Mincho", serif;
  --font-en:          "Montserrat", sans-serif;
  --font-num:         "Antonio", sans-serif;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; overflow-x: hidden; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-serif);
  background: var(--aoiserv-bg);
  color: var(--aoiserv-fg);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul, ol { list-style: none; }

/* SR-only */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* Placeholder for missing images */
.aoiserv-placeholder {
  display: flex; align-items: center; justify-content: center;
  background: var(--aoiserv-fg-10); color: var(--aoiserv-fg-40);
  font-family: var(--font-en); font-size: 0.625rem; letter-spacing: 0.2em;
  text-transform: uppercase; min-height: 200px; width: 100%; height: 100%;
}

/* ============================================================
   HEADER
   ============================================================ */
.aoiserv-header {
  position: fixed; top: 0; right: 0; z-index: 50;
  padding: 0.75rem;
  pointer-events: none;
}
@media (min-width: 768px) {
  .aoiserv-header { padding: 2rem; }
}
.aoiserv-header__nav {
  display: flex; align-items: flex-start; gap: 0.5rem;
  pointer-events: auto;
}
@media (min-width: 768px) {
  .aoiserv-header__nav { gap: 1rem; }
}

.aoiserv-header__btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.5rem; height: 42px; padding: 0 1.5rem;
  font-family: var(--font-en); font-size: 0.75rem; font-weight: 500;
  letter-spacing: 0.12em; white-space: nowrap; transition: all 0.3s;
}
.aoiserv-header__btn-label { font-family: var(--font-en); }
.aoiserv-header__btn--cta {
  background: var(--aoiserv-cta); color: var(--aoiserv-fg);
  border: 1px solid var(--aoiserv-fg-10);
}
.aoiserv-header__btn--cta:hover { opacity: 0.9; }
.aoiserv-header__btn--entry {
  background: var(--aoiserv-fg); color: var(--aoiserv-bg);
  border: 1px solid rgba(239,239,230,0.1);
}
.aoiserv-header__btn--entry:hover { opacity: 0.9; }

/* Hide PC buttons on SP */
.aoiserv-header__btn--pc-only { display: none; }
@media (min-width: 768px) {
  .aoiserv-header__btn--pc-only { display: inline-flex; }
}

/* Menu Button */
.aoiserv-menu-btn {
  width: 60px; height: 36px; display: flex; align-items: center; justify-content: center;
  gap: 0.5rem; border: 1px dashed var(--aoiserv-accent); color: var(--aoiserv-accent);
  transition: background 0.3s;
}
.aoiserv-menu-btn:hover { background: rgba(240,77,61,0.05); }
@media (min-width: 768px) {
  .aoiserv-menu-btn { width: 120px; height: 42px; }
}
.aoiserv-menu-btn__text {
  font-family: var(--font-en); font-size: 0.625rem;
  letter-spacing: 0.12em; font-weight: 500; color: var(--aoiserv-accent);
}
@media (min-width: 768px) { .aoiserv-menu-btn__text { font-size: 0.75rem; } }
.aoiserv-menu-btn__open { display: flex; align-items: center; gap: 0.5rem; }
.aoiserv-menu-btn__close { align-items: center; gap: 0.5rem; }

/* ============================================================
   MENU OVERLAY
   ============================================================ */
.aoiserv-menu-overlay {
  position: fixed; inset: 0; z-index: 40;
  background: var(--aoiserv-bg); color: var(--aoiserv-fg);
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  padding: 1rem;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease;
  overflow-y: auto;
}
.aoiserv-menu-overlay.is-open { opacity: 1; pointer-events: auto; }
@media (min-width: 768px) { .aoiserv-menu-overlay { padding: 2.5rem; } }
@media (min-width: 1024px) { .aoiserv-menu-overlay { padding: 60px; } }

.aoiserv-menu-overlay__inner { width: 100%; max-width: 500px; }

/* Menu Navigation */
.aoiserv-menu-overlay__nav { width: 100%; }
.aoiserv-menu-overlay__list { display: flex; flex-direction: column; }
.aoiserv-menu-overlay__item { border-bottom: 1px solid var(--aoiserv-fg-10); }

.aoiserv-menu-overlay__link {
  display: flex; align-items: center; padding: 0.625rem 0;
  transition: color 0.3s; gap: 1rem;
}
.aoiserv-menu-overlay__link:hover { color: var(--aoiserv-accent); }
@media (min-width: 768px) { .aoiserv-menu-overlay__link { padding: 1.25rem 0; } }

.aoiserv-menu-overlay__number {
  font-family: var(--font-num); color: var(--aoiserv-fg-40);
  font-size: 0.625rem; width: 1.5rem; flex-shrink: 0;
  transition: color 0.3s;
}
.aoiserv-menu-overlay__link:hover .aoiserv-menu-overlay__number { color: var(--aoiserv-accent); }
@media (min-width: 768px) {
  .aoiserv-menu-overlay__number { font-size: 1.25rem; width: 3.5rem; }
}

.aoiserv-menu-overlay__label-group { flex: 1; overflow: hidden; line-height: 1.3; }
.aoiserv-menu-overlay__en {
  display: block; font-family: var(--font-en); font-size: 0.875rem;
  letter-spacing: 0.12em;
}
@media (min-width: 768px) { .aoiserv-menu-overlay__en { font-size: 1.5rem; } }
.aoiserv-menu-overlay__ja {
  display: block; font-size: 0.625rem; opacity: 0.8;
  letter-spacing: 0.12em;
}
@media (min-width: 768px) {
  .aoiserv-menu-overlay__ja { font-size: 0.875rem; }
  .aoiserv-menu-overlay__label-group { display: flex; align-items: baseline; gap: 0.75rem; }
  .aoiserv-menu-overlay__en, .aoiserv-menu-overlay__ja { display: inline; }
}

.aoiserv-menu-overlay__arrow {
  flex-shrink: 0; opacity: 0.3; transition: all 0.3s;
}
.aoiserv-menu-overlay__link:hover .aoiserv-menu-overlay__arrow {
  opacity: 1; transform: translateX(4px);
}

/* Overlay SP CTA buttons */
.aoiserv-menu-overlay__cta { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.5rem; }
.aoiserv-menu-overlay__cta--sp-only {}
@media (min-width: 768px) { .aoiserv-menu-overlay__cta--sp-only { display: none; } }
.aoiserv-menu-overlay__cta-btn {
  display: flex; align-items: center; justify-content: center;
  width: 100%; padding: 0.75rem; font-size: 0.75rem;
  letter-spacing: 0.12em; font-weight: 500; text-align: center;
  transition: opacity 0.3s;
}
.aoiserv-menu-overlay__cta-btn:hover { opacity: 0.9; }
.aoiserv-menu-overlay__cta-btn--entry {
  background: var(--aoiserv-fg); color: var(--aoiserv-bg);
}
.aoiserv-menu-overlay__cta-btn--consultation {
  background: var(--aoiserv-cta); color: var(--aoiserv-fg); font-weight: 700;
}

/* Overlay social links */
.aoiserv-menu-overlay__social {
  margin-top: 1.5rem; display: flex; gap: 1rem;
  padding-bottom: 1.5rem;
}
@media (min-width: 768px) {
  .aoiserv-menu-overlay__social { margin-top: 3rem; gap: 1.5rem; }
}
.aoiserv-menu-overlay__social-link {
  display: flex; align-items: center; gap: 0.5rem;
  color: var(--aoiserv-fg-60); transition: color 0.3s;
}
.aoiserv-menu-overlay__social-link:hover { color: var(--aoiserv-accent); }

/* ============================================================
   FIRST VIEW (HERO)
   ============================================================ */
.aoiserv-fv {
  position: relative; width: 100%; height: 100vh; height: 100svh;
  overflow: hidden; background: var(--aoiserv-fg);
}
.aoiserv-fv__bg {
  position: absolute; inset: 0; z-index: 0; will-change: transform;
  background-size: cover; background-position: center 80%;
}
.aoiserv-fv__bg--placeholder { background: none; }
.aoiserv-fv__overlay {
  position: absolute; inset: 0; z-index: 10;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.aoiserv-fv__logo {
  position: absolute; top: 0.5rem; left: 1rem; z-index: 30;
  width: 6rem; opacity: 0.9;
}
.aoiserv-fv__logo-img {
  width: 100%; height: auto; transform: scale(1.2); transform-origin: top left;
}
@media (min-width: 768px) {
  .aoiserv-fv__logo { top: 1rem; left: 2rem; width: 7rem; }
}
.aoiserv-fv__catchcopy {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  z-index: 20; width: 140px;
}
@media (min-width: 768px) { .aoiserv-fv__catchcopy { width: 200px; } }
.aoiserv-fv__catchcopy-img { width: 100%; height: auto; filter: drop-shadow(0 2px 8px rgba(0,0,0,0.2)); }

/* ============================================================
   MESSAGE SECTION
   ============================================================ */
.aoiserv-message {
  position: relative; width: 100%; min-height: 100vh;
  background: var(--aoiserv-fg); display: flex; align-items: center;
  justify-content: center; padding: 2.5rem 1rem; overflow: hidden;
}
.aoiserv-message__bg {
  position: relative; width: 100%; display: flex; align-items: center; justify-content: center;
}
.aoiserv-message__image-wrap { width: 100%; display: flex; align-items: center; justify-content: center; }
.aoiserv-message__img {
  width: 100%; max-height: 95vh; object-fit: contain; transform: scale(1.2);
}
@media (min-width: 768px) {
  .aoiserv-message__img { width: auto; height: 95vh; }
}

/* ============================================================
   GRID SECTION (6 tiles)
   ============================================================ */
.aoiserv-grid {
  width: 100%; background: var(--aoiserv-bg);
}
.aoiserv-grid__inner {
  display: grid; grid-template-columns: 1fr;
}
@media (min-width: 768px) { .aoiserv-grid__inner { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .aoiserv-grid__inner { grid-template-columns: repeat(3, 1fr); } }

.aoiserv-grid__tile {
  position: relative; display: block; width: 100%;
  aspect-ratio: 4/3; overflow: hidden; z-index: 1;
}
@media (min-width: 768px) { .aoiserv-grid__tile { aspect-ratio: 1; } }
.aoiserv-grid__tile:hover { z-index: 30; }

.aoiserv-grid__tile-bg {
  position: absolute; inset: 0; transition: transform 0.7s ease-out;
  background-size: cover; background-position: center;
}
.aoiserv-grid__tile:hover .aoiserv-grid__tile-bg { transform: scale(1.05); }
.aoiserv-grid__tile-bg--placeholder { background: none; }

.aoiserv-grid__tile-overlay {
  position: absolute; inset: 0; background: rgba(0,39,21,0.5);
  transition: background 0.5s;
}
.aoiserv-grid__tile:hover .aoiserv-grid__tile-overlay { background: rgba(0,39,21,0.6); }

.aoiserv-grid__tile-number {
  position: absolute; bottom: 1.5rem; left: 1.5rem; z-index: 20;
  font-family: var(--font-num); font-size: 1.5rem; line-height: 1;
  color: rgba(239,239,230,0.9); transition: color 0.5s;
}
.aoiserv-grid__tile:hover .aoiserv-grid__tile-number { color: var(--aoiserv-accent); }
@media (min-width: 768px) { .aoiserv-grid__tile-number { font-size: 1.875rem; } }

.aoiserv-grid__tile-content {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; z-index: 10;
  color: var(--aoiserv-bg); text-align: center; padding: 1rem;
  transition: color 0.5s;
}
.aoiserv-grid__tile:hover .aoiserv-grid__tile-content { color: var(--aoiserv-accent); }

.aoiserv-grid__tile-en {
  display: block; font-family: var(--font-en); font-size: 1.5rem;
  letter-spacing: 0.12em; font-weight: 400; margin-bottom: 0.5rem;
  transform: translateY(8px); transition: transform 0.5s;
}
.aoiserv-grid__tile:hover .aoiserv-grid__tile-en { transform: translateY(0); }
@media (min-width: 768px) { .aoiserv-grid__tile-en { font-size: 1.875rem; } }
@media (min-width: 1024px) { .aoiserv-grid__tile-en { font-size: 2.25rem; } }

.aoiserv-grid__tile-ja {
  display: block; font-size: 0.65rem; letter-spacing: 0.2em; opacity: 0.8;
  transform: translateY(8px); transition: transform 0.5s 75ms;
  line-height: 1.6;
}
.aoiserv-grid__tile:hover .aoiserv-grid__tile-ja { transform: translateY(0); }
@media (min-width: 768px) { .aoiserv-grid__tile-ja { font-size: 0.75rem; } }
@media (min-width: 1024px) { .aoiserv-grid__tile-ja { font-size: 0.875rem; } }

/* ============================================================
   NEWS SECTION
   ============================================================ */
.aoiserv-news {
  width: 100%; background: var(--aoiserv-bg);
  padding: 6rem 1.5rem; border-top: 1px solid var(--aoiserv-fg-10);
}
@media (min-width: 768px) { .aoiserv-news { padding: 8rem 3rem; } }
.aoiserv-news__inner {
  max-width: 72rem; margin: 0 auto;
  display: flex; flex-direction: column; gap: 3rem;
}
@media (min-width: 768px) { .aoiserv-news__inner { flex-direction: row; gap: 6rem; } }

.aoiserv-news__heading-col { flex-shrink: 0; }
@media (min-width: 768px) { .aoiserv-news__heading-col { width: 25%; } }
.aoiserv-news__heading {}
.aoiserv-news__heading-en {
  font-family: var(--font-en); font-size: 1.5rem;
  letter-spacing: 0.12em; display: block;
}
@media (min-width: 768px) { .aoiserv-news__heading-en { font-size: 1.875rem; } }

.aoiserv-news__list-col { flex: 1; }
.aoiserv-news__list { display: flex; flex-direction: column; }
.aoiserv-news__item {
  border-bottom: 1px solid var(--aoiserv-fg-10);
}
.aoiserv-news__link {
  display: flex; flex-direction: column; gap: 0.25rem;
  padding: 1.25rem 0.5rem;
  transition: background 0.3s;
}
a.aoiserv-news__link:hover { background: rgba(0,39,21,0.03); }
@media (min-width: 768px) {
  .aoiserv-news__link { flex-direction: row; align-items: center; gap: 1.5rem; }
}
.aoiserv-news__date {
  font-family: var(--font-en); font-size: 0.875rem;
  letter-spacing: 0.06em; opacity: 0.6; flex-shrink: 0;
}
.aoiserv-news__title {
  flex: 1; font-size: 0.875rem; letter-spacing: 0.05em;
  transition: color 0.3s;
}
a.aoiserv-news__link:hover .aoiserv-news__title { color: var(--aoiserv-accent); }
.aoiserv-news__arrow {
  flex-shrink: 0; opacity: 0.3; transition: all 0.3s;
  display: none;
}
@media (min-width: 768px) { .aoiserv-news__arrow { display: inline; } }
a.aoiserv-news__link:hover .aoiserv-news__arrow { opacity: 1; transform: translateX(4px); }

/* ============================================================
   PAGE HERO (Subpages)
   ============================================================ */
.aoiserv-page-hero {
  position: relative; height: 25vh; min-height: 200px;
  display: flex; align-items: center; justify-content: center;
  text-align: center; overflow: hidden; background: rgba(0,39,21,0.05);
}
@media (min-width: 768px) { .aoiserv-page-hero { height: 40vh; min-height: 300px; } }
.aoiserv-page-hero__bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
}
.aoiserv-page-hero__bg--placeholder { background: none; }
.aoiserv-page-hero__overlay { position: absolute; inset: 0; background: rgba(0,39,21,0.4); display: flex; align-items: center; justify-content: center; }
.aoiserv-page-hero__content { position: relative; z-index: 10; color: var(--aoiserv-bg); text-align: center; }
.aoiserv-page-hero__number {
  font-family: var(--font-num); font-size: 3rem; font-weight: 300;
  line-height: 1; display: block; margin-bottom: -5px; opacity: 0.2;
}
@media (min-width: 768px) { .aoiserv-page-hero__number { font-size: 7rem; margin-bottom: -15px; } }
.aoiserv-page-hero__title { display: flex; flex-direction: column; align-items: center; }
.aoiserv-page-hero__title-en {
  font-family: var(--font-en); font-size: 1.4rem; font-weight: 400;
  letter-spacing: 0.12em; margin-bottom: 0.25rem; display: block;
}
@media (min-width: 768px) { .aoiserv-page-hero__title-en { font-size: 2.4rem; margin-bottom: 0.5rem; } }
.aoiserv-page-hero__title-ja {
  font-size: 0.7rem; letter-spacing: 0.2em; opacity: 0.8; display: block;
}
@media (min-width: 768px) { .aoiserv-page-hero__title-ja { font-size: 0.8rem; } }

/* ============================================================
   BREADCRUMB
   ============================================================ */
.aoiserv-breadcrumb {
  padding: 0.5rem 1rem; font-size: 0.6rem; letter-spacing: 0.12em;
  color: var(--aoiserv-fg-60); background: var(--aoiserv-bg);
  border-bottom: 1px solid rgba(0,39,21,0.05); position: relative; z-index: 30;
}
@media (min-width: 768px) { .aoiserv-breadcrumb { padding: 1rem 2.5rem; font-size: 0.7rem; } }
.aoiserv-breadcrumb__list { display: flex; flex-wrap: wrap; align-items: center; gap: 0.25rem; }
@media (min-width: 768px) { .aoiserv-breadcrumb__list { gap: 0.5rem; } }
.aoiserv-breadcrumb__item { display: inline-flex; align-items: center; }
.aoiserv-breadcrumb__item + .aoiserv-breadcrumb__item::before {
  content: '/'; margin-right: 0.25rem; opacity: 0.3;
}
@media (min-width: 768px) {
  .aoiserv-breadcrumb__item + .aoiserv-breadcrumb__item::before { margin-right: 0.5rem; }
}
.aoiserv-breadcrumb__link { transition: color 0.3s; }
.aoiserv-breadcrumb__link:hover { color: var(--aoiserv-fg); }
.aoiserv-breadcrumb__current { opacity: 0.7; }

/* ============================================================
   PROMISE PAGE
   ============================================================ */
/* Philosophy text */
.aoiserv-promise-philosophy {
  width: 100%; background: var(--aoiserv-bg); padding: 4rem 1.5rem;
}
@media (min-width: 768px) { .aoiserv-promise-philosophy { padding: 6rem 3rem; } }
.aoiserv-promise-philosophy__inner { max-width: 800px; margin: 0 auto; }
.aoiserv-promise-philosophy__text {
  font-size: 0.875rem; line-height: 2.2; letter-spacing: 0.05em;
  color: var(--aoiserv-fg-80); text-align: center;
}
.aoiserv-promise-philosophy__text p + p { margin-top: 1.5rem; }
@media (min-width: 768px) {
  .aoiserv-promise-philosophy__text { font-size: 1rem; }
}

/* Visual split: fist + text list */
.aoiserv-promise-visual {
  width: 100%; background: var(--aoiserv-bg); padding: 0 1.5rem 4rem;
}
@media (min-width: 768px) { .aoiserv-promise-visual { padding: 0 3rem 6rem; } }
.aoiserv-promise-visual__inner {
  max-width: 1000px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 2rem;
}
@media (min-width: 768px) { .aoiserv-promise-visual__inner { flex-direction: row; gap: 3rem; } }
.aoiserv-promise-visual__left { width: 100%; }
@media (min-width: 768px) { .aoiserv-promise-visual__left { width: 50%; } }
.aoiserv-promise-visual__fist-img { width: 100%; height: auto; }
.aoiserv-promise-visual__right { width: 100%; }
@media (min-width: 768px) { .aoiserv-promise-visual__right { width: 50%; } }
.aoiserv-promise-visual__textlist-img { width: 100%; height: auto; }

/* Promise List */
.aoiserv-promise-list {
  width: 100%; background: var(--aoiserv-bg); padding: 4rem 1.5rem;
}
@media (min-width: 768px) { .aoiserv-promise-list { padding: 6rem 3rem; } }
.aoiserv-promise-list__inner { max-width: 1000px; margin: 0 auto; }

.aoiserv-promise-list__heading-wrap { margin-bottom: 2rem; }
.aoiserv-promise-list__heading {}
.aoiserv-promise-list__heading-en {
  display: block; font-family: var(--font-en); font-size: 1.5rem;
  letter-spacing: 0.12em; margin-bottom: 0.25rem;
}
@media (min-width: 768px) { .aoiserv-promise-list__heading-en { font-size: 2rem; } }
.aoiserv-promise-list__heading-ja {
  display: block; font-size: 0.75rem; letter-spacing: 0.12em; opacity: 0.7;
}
@media (min-width: 768px) { .aoiserv-promise-list__heading-ja { font-size: 0.875rem; } }

.aoiserv-promise-list__items {
  display: flex; flex-direction: column; border-top: 1px solid var(--aoiserv-fg-20);
  counter-reset: none; list-style: none;
}
.aoiserv-promise-list__item {
  display: flex; align-items: center; gap: 1.5rem;
  padding: 1rem 1.5rem; border-bottom: 1px solid var(--aoiserv-fg-20);
  transition: background 0.3s; cursor: default;
}
@media (min-width: 768px) { .aoiserv-promise-list__item { gap: 2rem; padding: 1.5rem; } }
.aoiserv-promise-list__item:hover { background: #E6E6DC; }
.aoiserv-promise-list__item-number {
  font-family: var(--font-num); font-size: 1rem; color: var(--aoiserv-fg-40);
  flex-shrink: 0; width: 2rem;
  transition: color 0.3s;
}
@media (min-width: 768px) { .aoiserv-promise-list__item-number { font-size: 1.25rem; width: 3rem; } }
.aoiserv-promise-list__item:hover .aoiserv-promise-list__item-number { color: var(--aoiserv-accent); }
.aoiserv-promise-list__item-title {
  flex: 1; font-size: 0.875rem; letter-spacing: 0.06em; line-height: 1.6;
  transition: color 0.3s;
}
@media (min-width: 768px) { .aoiserv-promise-list__item-title { font-size: 1rem; } }
.aoiserv-promise-list__item:hover .aoiserv-promise-list__item-title { color: var(--aoiserv-accent); }

/* ============================================================
   PRICE PAGE
   ============================================================ */
/* Comparison Section */
.aoiserv-price-comparison {
  width: 100%; background: var(--aoiserv-bg); padding: 4rem 1.5rem;
}
@media (min-width: 768px) { .aoiserv-price-comparison { padding: 6rem 3rem; } }
.aoiserv-price-comparison__inner {
  max-width: 1000px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 2rem;
}
@media (min-width: 768px) { .aoiserv-price-comparison__inner { flex-direction: row; gap: 4rem; align-items: center; } }
.aoiserv-price-comparison__image { width: 100%; }
@media (min-width: 768px) { .aoiserv-price-comparison__image { width: 50%; } }
.aoiserv-price-comparison__img { width: 100%; height: auto; }
.aoiserv-price-comparison__text { width: 100%; }
@media (min-width: 768px) { .aoiserv-price-comparison__text { width: 50%; } }
.aoiserv-price-comparison__heading {
  font-size: 1.125rem; letter-spacing: 0.08em; line-height: 1.8; margin-bottom: 1rem;
}
@media (min-width: 768px) { .aoiserv-price-comparison__heading { font-size: 1.5rem; } }
.aoiserv-price-comparison__em {
  color: var(--aoiserv-accent); font-style: normal; font-weight: 700;
}
.aoiserv-price-comparison__desc {
  font-size: 0.875rem; line-height: 2; color: var(--aoiserv-fg-80); letter-spacing: 0.05em;
}
@media (min-width: 768px) { .aoiserv-price-comparison__desc { font-size: 1rem; } }

/* Pricing Cards Section */
.aoiserv-price-cards {
  background: var(--aoiserv-deep); color: var(--aoiserv-bg);
  padding: 4rem 1.5rem;
}
@media (min-width: 768px) { .aoiserv-price-cards { padding: 8rem 3rem; } }
.aoiserv-price-cards__inner { max-width: 1100px; margin: 0 auto; }

.aoiserv-price-cards__heading-wrap { margin-bottom: 3rem; text-align: center; }
.aoiserv-price-cards__heading {}
.aoiserv-price-cards__heading-en {
  display: block; font-family: var(--font-en); font-size: 1.5rem;
  letter-spacing: 0.12em; margin-bottom: 0.25rem;
}
@media (min-width: 768px) { .aoiserv-price-cards__heading-en { font-size: 2rem; } }
.aoiserv-price-cards__heading-ja {
  display: block; font-size: 0.75rem; letter-spacing: 0.12em; opacity: 0.7;
}

.aoiserv-price-cards__grid {
  display: grid; grid-template-columns: 1fr; gap: 1.5rem;
}
@media (min-width: 768px) { .aoiserv-price-cards__grid { grid-template-columns: repeat(3, 1fr); gap: 2rem; } }

.aoiserv-price-card {
  position: relative;
  background: var(--aoiserv-bg-alt); color: var(--aoiserv-deep);
  padding: 1.5rem; display: flex; flex-direction: column;
  align-items: center; text-align: center; height: 100%;
  border: 1px solid var(--aoiserv-fg-10);
  transition: transform 0.3s, box-shadow 0.3s;
}
@media (min-width: 768px) { .aoiserv-price-card { padding: 2rem; } }
.aoiserv-price-card:hover { transform: scale(1.02); box-shadow: 0 20px 60px rgba(0,0,0,0.3); }
@media (min-width: 768px) { .aoiserv-price-card:hover { transform: scale(1.05); } }
.aoiserv-price-card--recommended { border: 4px solid var(--aoiserv-cta); }

.aoiserv-price-card__badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--aoiserv-cta); color: var(--aoiserv-deep);
  font-family: var(--font-en); font-size: 0.625rem; font-weight: 700;
  letter-spacing: 0.12em; padding: 0.25rem 1rem; white-space: nowrap;
}

.aoiserv-price-card__header {
  width: 100%; padding-bottom: 1rem; margin-bottom: 1rem;
  border-bottom: 1px solid var(--aoiserv-fg-20);
}
.aoiserv-price-card__name-ja {
  display: block; font-size: 1.125rem; letter-spacing: 0.12em;
}
@media (min-width: 768px) { .aoiserv-price-card__name-ja { font-size: 1.5rem; } }
.aoiserv-price-card__name-en {
  display: block; font-family: var(--font-en); font-size: 0.625rem;
  letter-spacing: 0.15em; opacity: 0.6; margin-top: 0.25rem;
}

.aoiserv-price-card__price {
  display: flex; align-items: baseline; justify-content: center; flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.aoiserv-price-card__yen { font-size: 1rem; margin-right: 0.25rem; }
@media (min-width: 768px) { .aoiserv-price-card__yen { font-size: 1.25rem; margin-right: 0.5rem; } }
.aoiserv-price-card__amount {
  font-family: var(--font-num); font-size: 2rem; font-weight: 700;
  letter-spacing: -0.02em;
}
@media (min-width: 768px) { .aoiserv-price-card__amount { font-size: 3rem; } }
.aoiserv-price-card__unit { font-size: 0.625rem; margin-left: 0.25rem; opacity: 0.7; }
@media (min-width: 768px) { .aoiserv-price-card__unit { font-size: 0.75rem; margin-left: 0.5rem; } }

.aoiserv-price-card__features {
  text-align: left; width: 100%; display: flex; flex-direction: column;
  gap: 0.75rem; font-size: 0.75rem; letter-spacing: 0.05em;
  margin-bottom: 2rem;
}
@media (min-width: 768px) { .aoiserv-price-card__features { gap: 1rem; font-size: 0.875rem; } }
.aoiserv-price-card__feature { display: flex; align-items: flex-start; gap: 0.5rem; }
@media (min-width: 768px) { .aoiserv-price-card__feature { align-items: center; gap: 0.75rem; } }
.aoiserv-price-card__feature-check {
  width: 1rem; height: 1rem; border-radius: 50%;
  background: #00e632; display: inline-flex; align-items: center;
  justify-content: center; flex-shrink: 0;
  font-size: 0.625rem; color: var(--aoiserv-deep); font-weight: 900;
}

.aoiserv-price-card__action { margin-top: auto; width: 100%; }
.aoiserv-price-card__btn {
  display: flex; align-items: center; justify-content: center;
  width: 100%; padding: 0.75rem 1.5rem;
  background: var(--aoiserv-cta); color: var(--aoiserv-deep);
  font-size: 0.875rem; font-weight: 700; letter-spacing: 0.12em;
  transition: opacity 0.3s;
}
.aoiserv-price-card__btn:hover { opacity: 0.9; }

/* Additional Fees */
.aoiserv-price-additional {
  width: 100%; background: var(--aoiserv-bg); padding: 4rem 1.5rem;
}
@media (min-width: 768px) { .aoiserv-price-additional { padding: 6rem 3rem; } }
.aoiserv-price-additional__inner { max-width: 800px; margin: 0 auto; }
.aoiserv-price-additional__heading {
  font-size: 1.125rem; letter-spacing: 0.12em; margin-bottom: 1.5rem;
  padding-bottom: 0.75rem; border-bottom: 1px solid var(--aoiserv-fg-20);
}
@media (min-width: 768px) { .aoiserv-price-additional__heading { font-size: 1.25rem; } }
.aoiserv-price-additional__table-wrap { overflow-x: auto; }
.aoiserv-price-additional__table {
  width: 100%; border-collapse: collapse; font-size: 0.875rem;
}
.aoiserv-price-additional__table th {
  padding: 1rem 1.25rem; font-weight: 500;
  background: rgba(0,39,21,0.05); border-bottom: 1px solid var(--aoiserv-fg-10);
  text-align: left;
}
.aoiserv-price-additional__table td {
  padding: 1rem 1.25rem; border-bottom: 1px solid var(--aoiserv-fg-10);
  line-height: 2;
}
.aoiserv-price-additional__amount { font-family: var(--font-num); font-weight: 700; }
.aoiserv-price-additional__note-inline { font-size: 0.75rem; opacity: 0.7; }
.aoiserv-price-additional__note {
  margin-top: 1.5rem; font-size: 0.75rem; line-height: 2;
  color: var(--aoiserv-fg-60); letter-spacing: 0.03em;
}

/* ============================================================
   JOBS / RECRUIT PAGE
   ============================================================ */
/* Intro text */
.aoiserv-recruit-intro {
  width: 100%; background: var(--aoiserv-bg); padding: 4rem 1.5rem;
}
@media (min-width: 768px) { .aoiserv-recruit-intro { padding: 6rem 3rem; } }
.aoiserv-recruit-intro__inner { max-width: 800px; margin: 0 auto; text-align: center; }
.aoiserv-recruit-intro__heading {
  font-size: 1.125rem; letter-spacing: 0.08em; line-height: 1.8; margin-bottom: 1.5rem;
}
@media (min-width: 768px) { .aoiserv-recruit-intro__heading { font-size: 1.5rem; } }
.aoiserv-recruit-intro__desc {
  font-size: 0.875rem; line-height: 2; color: var(--aoiserv-fg-80); letter-spacing: 0.05em;
}
@media (min-width: 768px) { .aoiserv-recruit-intro__desc { font-size: 1rem; } }

/* Tabs Section */
.aoiserv-recruit-tabs {
  width: 100%; background: var(--aoiserv-bg); padding: 0 1.5rem 4rem;
}
@media (min-width: 768px) { .aoiserv-recruit-tabs { padding: 0 3rem 6rem; } }
.aoiserv-recruit-tabs__inner { max-width: 1000px; margin: 0 auto; }

.aoiserv-recruit-tabs__heading { margin-bottom: 2rem; text-align: center; }
.aoiserv-recruit-tabs__heading-en {
  display: block; font-family: var(--font-en); font-size: 1.5rem;
  letter-spacing: 0.12em; margin-bottom: 0.25rem;
}
@media (min-width: 768px) { .aoiserv-recruit-tabs__heading-en { font-size: 2rem; } }
.aoiserv-recruit-tabs__heading-ja {
  display: block; font-size: 0.75rem; letter-spacing: 0.12em; opacity: 0.7;
}

/* Tab nav */
.aoiserv-recruit-tabs__nav {
  display: flex; justify-content: space-between; gap: 0.5rem;
  border-bottom: 1px solid var(--aoiserv-fg-10); margin-bottom: 2rem;
  position: relative;
}
@media (min-width: 768px) {
  .aoiserv-recruit-tabs__nav { justify-content: flex-start; gap: 2rem; }
}
.aoiserv-recruit-tabs__tab {
  flex: 1; position: relative; padding: 0.75rem 0.5rem;
  text-align: center; color: var(--aoiserv-fg-40);
  font-size: 0.875rem; letter-spacing: 0.06em; font-weight: 500;
  transition: color 0.3s; background: none; border: none; cursor: pointer;
}
@media (min-width: 768px) { .aoiserv-recruit-tabs__tab { flex: none; padding: 1rem 0; font-size: 1rem; } }
.aoiserv-recruit-tabs__tab.is-active { color: var(--aoiserv-fg); }
.aoiserv-recruit-tabs__tab:hover { color: var(--aoiserv-fg-80); }
.aoiserv-recruit-tabs__tab.is-active::after {
  content: ''; position: absolute; bottom: -1px; left: 0; width: 100%;
  height: 2px; background: var(--aoiserv-accent);
}

/* Tab panels */
.aoiserv-recruit-tabs__panel { display: none; }
.aoiserv-recruit-tabs__panel.is-active { display: block; }

/* Job detail table */
.aoiserv-recruit-tabs__table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.aoiserv-recruit-tabs__row {}
.aoiserv-recruit-tabs__th {
  padding: 1rem 1.25rem; width: 160px; font-weight: 500;
  background: rgba(0,39,21,0.05); border-bottom: 1px solid var(--aoiserv-fg-10);
  text-align: left; vertical-align: top; font-size: 0.75rem; letter-spacing: 0.06em;
}
@media (min-width: 768px) { .aoiserv-recruit-tabs__th { width: 200px; font-size: 0.875rem; } }
.aoiserv-recruit-tabs__td {
  padding: 1rem 1.25rem; border-bottom: 1px solid var(--aoiserv-fg-10);
  line-height: 2; color: var(--aoiserv-fg-80); font-size: 0.75rem;
  letter-spacing: 0.05em;
}
@media (min-width: 768px) { .aoiserv-recruit-tabs__td { font-size: 0.875rem; } }

/* SP: stacked layout for table */
@media (max-width: 767px) {
  .aoiserv-recruit-tabs__table,
  .aoiserv-recruit-tabs__table tbody,
  .aoiserv-recruit-tabs__table tr,
  .aoiserv-recruit-tabs__table th,
  .aoiserv-recruit-tabs__table td {
    display: block; width: 100%;
  }
  .aoiserv-recruit-tabs__th { padding: 0.75rem 1rem; }
  .aoiserv-recruit-tabs__td { padding: 0.75rem 1rem; }
}

/* Entry CTA Band */
.aoiserv-recruit-cta {
  width: 100%; background: var(--aoiserv-fg); color: var(--aoiserv-bg);
  padding: 4rem 1.5rem; text-align: center;
}
@media (min-width: 768px) { .aoiserv-recruit-cta { padding: 6rem 1.5rem; } }
.aoiserv-recruit-cta__inner { max-width: 800px; margin: 0 auto; }
.aoiserv-recruit-cta__text { margin-bottom: 2rem; }
.aoiserv-recruit-cta__lead {
  font-size: 1.125rem; font-weight: 500; letter-spacing: 0.12em; margin-bottom: 1rem;
}
@media (min-width: 768px) { .aoiserv-recruit-cta__lead { font-size: 1.5rem; } }
.aoiserv-recruit-cta__sub {
  font-size: 0.875rem; line-height: 2; opacity: 0.8; letter-spacing: 0.05em;
}
@media (min-width: 768px) { .aoiserv-recruit-cta__sub { font-size: 1rem; } }
.aoiserv-recruit-cta__action {}
.aoiserv-recruit-cta__btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.75rem; background: var(--aoiserv-bg); color: var(--aoiserv-fg);
  padding: 1rem 2rem; font-size: 0.875rem; letter-spacing: 0.12em;
  min-width: 260px; transition: all 0.3s;
}
@media (min-width: 768px) {
  .aoiserv-recruit-cta__btn { gap: 1rem; padding: 1.5rem 4rem; font-size: 1.125rem; min-width: 300px; }
}
.aoiserv-recruit-cta__btn:hover { background: var(--aoiserv-accent); color: #fff; }
.aoiserv-recruit-cta__btn-text {}
.aoiserv-recruit-cta__btn-arrow { transition: transform 0.3s; }
.aoiserv-recruit-cta__btn:hover .aoiserv-recruit-cta__btn-arrow { transform: translateX(4px); }

/* ============================================================
   COMPANY PAGE
   ============================================================ */
/* Profile table */
.aoiserv-company-profile {
  width: 100%; background: var(--aoiserv-bg); padding: 4rem 1.5rem;
}
@media (min-width: 768px) { .aoiserv-company-profile { padding: 6rem 3rem; } }
.aoiserv-company-profile__inner { max-width: 1000px; margin: 0 auto; }

.aoiserv-company-profile__heading { margin-bottom: 2rem; }
.aoiserv-company-profile__heading-en {
  display: block; font-family: var(--font-en); font-size: 1.5rem;
  letter-spacing: 0.12em; margin-bottom: 0.25rem;
}
@media (min-width: 768px) { .aoiserv-company-profile__heading-en { font-size: 2rem; } }
.aoiserv-company-profile__heading-ja {
  display: block; font-size: 0.75rem; letter-spacing: 0.12em; opacity: 0.7;
}

.aoiserv-company-profile__table-wrap { overflow-x: auto; }
.aoiserv-company-profile__table { width: 100%; border-collapse: collapse; }
.aoiserv-company-profile__row {}
.aoiserv-company-profile__th {
  padding: 1.25rem; width: 160px; font-weight: 500;
  background: rgba(0,39,21,0.05); border-bottom: 1px solid var(--aoiserv-fg-10);
  text-align: left; vertical-align: top;
}
.aoiserv-company-profile__td {
  padding: 1.25rem; border-bottom: 1px solid var(--aoiserv-fg-10);
  line-height: 2; color: var(--aoiserv-fg-80); white-space: pre-line;
}
.aoiserv-company-profile__link { color: var(--aoiserv-accent); transition: opacity 0.3s; }
.aoiserv-company-profile__link:hover { opacity: 0.7; }

/* Founder section */
.aoiserv-company-founder {
  width: 100%; background: var(--aoiserv-bg); padding: 0 1.5rem 4rem;
}
@media (min-width: 768px) { .aoiserv-company-founder { padding: 0 3rem 6rem; } }
.aoiserv-company-founder__inner { max-width: 1000px; margin: 0 auto; }

.aoiserv-company-founder__heading { margin-bottom: 2rem; }
.aoiserv-company-founder__heading-en {
  display: block; font-family: var(--font-en); font-size: 1.5rem;
  letter-spacing: 0.12em; margin-bottom: 0.25rem;
}
@media (min-width: 768px) { .aoiserv-company-founder__heading-en { font-size: 2rem; } }
.aoiserv-company-founder__heading-ja {
  display: block; font-size: 0.75rem; letter-spacing: 0.12em; opacity: 0.7;
}

.aoiserv-company-founder__content {
  display: grid; grid-template-columns: 1fr; gap: 2rem; align-items: start;
}
@media (min-width: 768px) { .aoiserv-company-founder__content { grid-template-columns: 1fr 1fr; gap: 4rem; } }
.aoiserv-company-founder__photo {
  width: 100%; aspect-ratio: 3/4; background: rgba(0,39,21,0.05);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; border: 1px solid rgba(0,39,21,0.05);
}
.aoiserv-company-founder__photo-img { width: 100%; height: 100%; object-fit: cover; }
.aoiserv-company-founder__text {}
.aoiserv-company-founder__name { margin-bottom: 1.5rem; }
.aoiserv-company-founder__role {
  display: block; font-size: 0.75rem; letter-spacing: 0.12em; opacity: 0.7; margin-bottom: 0.25rem;
}
.aoiserv-company-founder__fullname {
  display: block; font-size: 1.25rem; letter-spacing: 0.12em;
}
@media (min-width: 768px) { .aoiserv-company-founder__fullname { font-size: 1.5rem; } }
.aoiserv-company-founder__bio {
  font-size: 0.875rem; line-height: 2; color: var(--aoiserv-fg-80); letter-spacing: 0.05em;
}
.aoiserv-company-founder__bio p + p { margin-top: 1rem; }
@media (min-width: 768px) { .aoiserv-company-founder__bio { font-size: 1rem; } }

/* ============================================================
   FOOTER
   ============================================================ */
.aoiserv-footer {
  position: relative; color: var(--aoiserv-bg); overflow: hidden;
  background: var(--aoiserv-fg); padding-bottom: 60px;
}
@media (min-width: 768px) { .aoiserv-footer { padding-bottom: 0; } }

.aoiserv-footer__inner {
  position: relative; z-index: 10;
}

/* Footer upper area */
.aoiserv-footer__upper {
  padding: 2.5rem 1.5rem;
  display: flex; flex-direction: column; gap: 2rem;
}
@media (min-width: 768px) {
  .aoiserv-footer__upper {
    flex-direction: row; justify-content: space-between; align-items: stretch;
    padding: 8rem 3rem 4rem; gap: 3rem; min-height: 400px;
  }
}

/* Footer left */
.aoiserv-footer__left {}
.aoiserv-footer__text-image { height: 120px; margin-left: -0.5rem; }
.aoiserv-footer__logo-img { height: 100%; width: auto; object-fit: contain; }
@media (min-width: 768px) {
  .aoiserv-footer__text-image { height: 320px; margin-left: -1rem; }
}
.aoiserv-footer__address {
  font-style: normal; font-size: 0.625rem; opacity: 0.8;
  letter-spacing: 0.06em; line-height: 2; margin-top: 1rem;
}
@media (min-width: 768px) { .aoiserv-footer__address { font-size: 0.75rem; } }
.aoiserv-footer__address-line {}

/* Footer right */
.aoiserv-footer__right {
  display: flex; flex-direction: column; gap: 2rem; margin-top: 1.5rem;
}
@media (min-width: 768px) { .aoiserv-footer__right { width: 280px; gap: 3rem; margin-top: 0; justify-content: space-between; } }

.aoiserv-footer__links { display: flex; flex-direction: column; }
.aoiserv-footer__link-item {}
.aoiserv-footer__link {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.5rem 0; border-bottom: 1px solid rgba(239,239,230,0.2);
  transition: border-color 0.3s;
}
@media (min-width: 768px) { .aoiserv-footer__link { padding: 1rem 0; } }
.aoiserv-footer__link:hover { border-color: rgba(239,239,230,0.6); }
.aoiserv-footer__link-label {
  font-size: 0.625rem; letter-spacing: 0.12em; opacity: 0.9;
  transition: opacity 0.3s;
}
@media (min-width: 768px) { .aoiserv-footer__link-label { font-size: 0.875rem; } }
.aoiserv-footer__link:hover .aoiserv-footer__link-label { opacity: 1; }
.aoiserv-footer__link-arrow {
  width: 1rem; height: 1rem; display: flex; align-items: center;
  justify-content: center; font-size: 0.75rem; opacity: 0.5;
  transition: all 0.3s;
}
@media (min-width: 768px) { .aoiserv-footer__link-arrow { width: 1.5rem; height: 1.5rem; font-size: 1rem; } }
.aoiserv-footer__link:hover .aoiserv-footer__link-arrow { opacity: 1; }

/* Vertical writing poem (PC only) */
.aoiserv-footer__poem { display: none; }
.aoiserv-footer__poem--pc-only {}
@media (min-width: 768px) {
  .aoiserv-footer__poem {
    display: flex; writing-mode: vertical-rl; text-orientation: mixed;
    flex-direction: column; gap: 1.5rem; align-items: flex-start;
  }
}
.aoiserv-footer__poem-text {
  font-size: 0.65rem; line-height: 2.5; opacity: 0.6; letter-spacing: 0.12em;
}

/* Footer bottom bar */
.aoiserv-footer__bottom {
  position: relative; z-index: 10; padding: 1rem 1.5rem;
  border-top: 1px solid var(--aoiserv-accent);
  display: flex; flex-direction: column; align-items: center; gap: 0.75rem;
}
@media (min-width: 768px) {
  .aoiserv-footer__bottom {
    flex-direction: row; justify-content: space-between;
    padding: 1.5rem 3rem;
  }
}
.aoiserv-footer__bottom-inner {
  display: flex; flex-direction: column; align-items: center; gap: 0.75rem; width: 100%;
}
@media (min-width: 768px) {
  .aoiserv-footer__bottom-inner { flex-direction: row; justify-content: space-between; }
}

.aoiserv-footer__social { display: flex; gap: 1rem; }
.aoiserv-footer__social-link {
  color: rgba(239,239,230,0.7); transition: color 0.3s;
}
.aoiserv-footer__social-link:hover { color: var(--aoiserv-bg); }
.aoiserv-footer__social-icon { display: flex; align-items: center; }

.aoiserv-footer__copyright {
  font-family: var(--font-en); font-size: 0.5rem; letter-spacing: 0.12em;
  opacity: 0.6; text-transform: uppercase;
}
@media (min-width: 768px) { .aoiserv-footer__copyright { font-size: 0.65rem; } }

.aoiserv-footer__scroll-top {
  width: 1.5rem; height: 1.5rem; border: 1px solid var(--aoiserv-accent);
  display: flex; align-items: center; justify-content: center;
  color: var(--aoiserv-accent); font-size: 0.625rem;
  transition: background 0.3s; cursor: pointer; background: none;
}
@media (min-width: 768px) { .aoiserv-footer__scroll-top { width: 2.25rem; height: 2.25rem; font-size: 0.75rem; } }
.aoiserv-footer__scroll-top:hover { background: rgba(240,77,61,0.1); }
.aoiserv-footer__scroll-top-arrow {}

/* ============================================================
   MOBILE FIXED CTA
   ============================================================ */
.aoiserv-mobile-cta {
  position: fixed; bottom: 0; left: 0; width: 100%; z-index: 30;
  display: flex; flex-direction: row;
  box-shadow: 0 -4px 10px rgba(0,0,0,0.1);
}
@media (min-width: 768px) { .aoiserv-mobile-cta { display: none; } }
.aoiserv-mobile-cta__btn {
  flex: 1; display: flex; align-items: center; justify-content: center;
  padding: 0.75rem 0.5rem; text-align: center;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em;
  transition: opacity 0.3s;
}
.aoiserv-mobile-cta__btn:hover { opacity: 0.9; }
.aoiserv-mobile-cta__btn--entry {
  background: var(--aoiserv-fg); color: var(--aoiserv-bg);
}
.aoiserv-mobile-cta__btn--cta {
  background: var(--aoiserv-cta); color: var(--aoiserv-fg);
}
.aoiserv-mobile-cta__label {}

/* ============================================================
   GENERIC PAGE
   ============================================================ */
.aoiserv-page-content {}
.aoiserv-page-content__inner {
  max-width: 800px; margin: 0 auto; padding: 3rem 1.5rem;
}
@media (min-width: 768px) { .aoiserv-page-content__inner { padding: 4rem 2rem; } }
.aoiserv-page-content__header { margin-bottom: 2rem; }
.aoiserv-page-content__title { font-size: 1.5rem; letter-spacing: 0.1em; }
@media (min-width: 768px) { .aoiserv-page-content__title { font-size: 2rem; } }
.aoiserv-page-content__body { font-size: 0.875rem; line-height: 2; }
.aoiserv-page-content__body p + p { margin-top: 1rem; }
@media (min-width: 768px) { .aoiserv-page-content__body { font-size: 1rem; } }

/* ============================================================
   404 PAGE
   ============================================================ */
.aoiserv-404 {
  min-height: 60vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  padding: 4rem 2rem;
}
.aoiserv-404__inner { text-align: center; }
.aoiserv-404__number { font-family: var(--font-num); font-size: 6rem; opacity: 0.1; line-height: 1; }
@media (min-width: 768px) { .aoiserv-404__number { font-size: 10rem; } }
.aoiserv-404__heading {
  font-family: var(--font-en); font-size: 1.25rem; letter-spacing: 0.12em; margin-bottom: 1rem;
}
.aoiserv-404__text { font-size: 0.875rem; line-height: 2; color: var(--aoiserv-fg-80); margin-bottom: 2rem; }
.aoiserv-404__action {}
.aoiserv-404__btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.875rem; letter-spacing: 0.06em;
  border-bottom: 1px solid var(--aoiserv-fg-20); padding-bottom: 0.25rem;
  transition: all 0.3s;
}
.aoiserv-404__btn:hover { color: var(--aoiserv-accent); border-color: var(--aoiserv-accent); }
.aoiserv-404__btn-text {}
.aoiserv-404__btn-arrow { transition: transform 0.3s; }
.aoiserv-404__btn:hover .aoiserv-404__btn-arrow { transform: translateX(4px); }

/* ============================================================
   INDEX / POSTS LIST
   ============================================================ */
.aoiserv-posts {
  width: 100%; background: var(--aoiserv-bg); padding: 4rem 1.5rem;
}
@media (min-width: 768px) { .aoiserv-posts { padding: 6rem 3rem; } }
.aoiserv-posts__inner { max-width: 1000px; margin: 0 auto; }
.aoiserv-posts__heading { margin-bottom: 2rem; }
.aoiserv-posts__heading-en {
  display: block; font-family: var(--font-en); font-size: 1.5rem;
  letter-spacing: 0.12em; margin-bottom: 0.25rem;
}
@media (min-width: 768px) { .aoiserv-posts__heading-en { font-size: 2rem; } }
.aoiserv-posts__heading-ja {
  display: block; font-size: 0.75rem; letter-spacing: 0.12em; opacity: 0.7;
}

.aoiserv-posts__list { display: flex; flex-direction: column; }
.aoiserv-posts__item { border-bottom: 1px solid var(--aoiserv-fg-10); }
.aoiserv-posts__link {
  display: flex; flex-direction: column; gap: 0.25rem;
  padding: 1.25rem 0.5rem; transition: background 0.3s;
}
.aoiserv-posts__link:hover { background: rgba(0,39,21,0.03); }
@media (min-width: 768px) {
  .aoiserv-posts__link { flex-direction: row; align-items: center; gap: 1.5rem; }
}
.aoiserv-posts__date {
  font-family: var(--font-en); font-size: 0.875rem;
  letter-spacing: 0.06em; opacity: 0.6; flex-shrink: 0;
}
.aoiserv-posts__title {
  flex: 1; font-size: 0.875rem; letter-spacing: 0.05em; transition: color 0.3s;
}
.aoiserv-posts__link:hover .aoiserv-posts__title { color: var(--aoiserv-accent); }
.aoiserv-posts__arrow {
  flex-shrink: 0; opacity: 0.3; transition: all 0.3s; display: none;
}
@media (min-width: 768px) { .aoiserv-posts__arrow { display: inline; } }
.aoiserv-posts__link:hover .aoiserv-posts__arrow { opacity: 1; transform: translateX(4px); }

.aoiserv-posts__pagination { margin-top: 2rem; text-align: center; }
.aoiserv-posts__pagination .nav-links { display: flex; justify-content: center; gap: 0.5rem; }
.aoiserv-posts__pagination a, .aoiserv-posts__pagination span {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2rem; height: 2rem; font-size: 0.875rem; border: 1px solid var(--aoiserv-fg-10);
  transition: all 0.3s;
}
.aoiserv-posts__pagination a:hover { background: var(--aoiserv-fg); color: var(--aoiserv-bg); }
.aoiserv-posts__pagination .current { background: var(--aoiserv-fg); color: var(--aoiserv-bg); }
.aoiserv-posts__empty { padding: 3rem 0; text-align: center; color: var(--aoiserv-fg-60); }

/* ============================================================
   UTILITIES
   ============================================================ */
.aoiserv-mt-sm { margin-top: 1rem; }
.aoiserv-mt-md { margin-top: 2rem; }
.aoiserv-mt-lg { margin-top: 3rem; }
.aoiserv-mt-xl { margin-top: 4rem; }
@media (min-width: 768px) {
  .aoiserv-mt-lg { margin-top: 5rem; }
  .aoiserv-mt-xl { margin-top: 6rem; }
}
.aoiserv-mb-sm { margin-bottom: 1rem; }
.aoiserv-mb-md { margin-bottom: 2rem; }
.aoiserv-mb-lg { margin-bottom: 3rem; }
.aoiserv-mb-xl { margin-bottom: 5rem; }
@media (min-width: 768px) {
  .aoiserv-mb-lg { margin-bottom: 4rem; }
  .aoiserv-mb-xl { margin-bottom: 8rem; }
}
.aoiserv-px { padding-left: 1.5rem; padding-right: 1.5rem; }
@media (min-width: 768px) { .aoiserv-px { padding-left: 3rem; padding-right: 3rem; } }

.aoiserv-hidden-sp { display: none; }
@media (min-width: 768px) { .aoiserv-hidden-sp { display: block; } }
.aoiserv-hidden-pc { display: block; }
@media (min-width: 768px) { .aoiserv-hidden-pc { display: none; } }

.aoiserv-font-en { font-family: var(--font-en); }
.aoiserv-font-num { font-family: var(--font-num); }