@charset "UTF-8";

/* ==========================================================
   Base
========================================================== */
:root {
  --c-main: #0f9d89;
  --c-main-dark: #0b8573;
  --c-main-light: #e7f3f1;
  --c-text: #212121;
  --c-body: #000;
  --c-gray-bg: #fcfbfa;
  --c-border: #d9d9d9;
  --container: 1200px;
  --header-h: 82px;
  --ff: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--gmo-h, 0px) + var(--header-h));
}

body {
  margin: 0;
  font-family: var(--ff);
  font-size: 16px;
  line-height: 2;
  color: var(--c-text);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "palt" 0;
  overflow-wrap: anywhere;
  line-break: strict;
}

h1, h2, h3, p, ul, ol, dl, dd, table { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }

.c-main { color: var(--c-main); }
.sp-only { display: none; }

.container {
  width: min(var(--container), 100% - 40px);
  margin-inline: auto;
}

:focus-visible {
  outline: 3px solid #f5a623;
  outline-offset: 2px;
}

/* ==========================================================
   Button
========================================================== */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--c-main);
  color: #fff;
  font-weight: 700;
  line-height: 1.4;
  border-radius: 5px;
  transition: background-color .25s, transform .25s, box-shadow .25s;
}
.btn:hover {
  background: var(--c-main-dark);
  box-shadow: 0 6px 16px rgba(15, 157, 137, .25);
  transform: translateY(-2px);
}
.btn--lg,
.btn--xl {
  letter-spacing: .06em;
}
.btn--lg::after,
.btn--xl::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 10px;
  height: 10px;
  border-top: 2.5px solid currentColor;
  border-right: 2.5px solid currentColor;
  transform: translateY(-50%) rotate(45deg);
  transition: right .25s;
}
.btn--sm {
  width: 183px;
  height: 47px;
  font-size: 14px;
}
.btn--lg {
  width: 346px;
  height: 67px;
  font-size: 22px;
  padding-right: 30px;
}
.btn--lg::after { right: 30px; }
.btn--lg:hover::after { right: 25px; }
.btn--xl {
  width: 100%;
  max-width: 603px;
  height: 77px;
  font-size: 22px;
}
.btn--xl::after { right: 30px; }
.btn--xl:hover::after { right: 25px; }

/* ==========================================================
   GMO NIKKO / security list / site seals (same as koukoku.jp)
========================================================== */
.gmogroup_wrap { background: #fff; line-height: 1.5; }
.gmogroup_wrap .sns_inner {
  display: flex;
  gap: 20px;
  height: 58px;
  margin: 0 auto;
  max-width: 1040px;
  padding: 20px 10px;
  box-sizing: border-box;
  color: #fff;
}
.gmogroup_wrap .sns_inner img[src*="logo.png"] { height: 18px; width: auto; }
.gmogroup_wrap .siteseal_inner {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin: 38px 0;
}
.gmogroup_wrap .siteseal_inner .siteseal_item:has(img:not([src="#"])) {
  width: 100px;
  max-width: calc((100% - 20px) / 3);
  flex: 0 0 auto;
}
.gmogroup_wrap .siteseal_inner .siteseal_item > div {
  width: 100% !important;
  height: 100% !important;
}
@media (max-width: 768px) {
  .gmogroup_wrap .sns_inner {
    height: auto;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
}
@media (max-width: 479px) {
  .gmogroup_wrap { padding: 5.4688vw 0; }
}

/* ==========================================================
   Header
========================================================== */
.header {
  position: sticky;
  top: var(--gmo-h, 0px);
  z-index: 100;
  background: #fff;
  transition: box-shadow .3s;
}
.header.is-scrolled { box-shadow: 0 2px 12px rgba(0, 0, 0, .08); }
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  padding: 0 max(18px, calc((100vw - 1440px) / 2)) 0 max(25px, calc((100vw - 1440px) / 2));

}
.header__logo { flex-shrink: 0; }
.header__logo img { width: 427px; }
.gnav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.gnav__list {
  display: flex;
  gap: 20px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
  color: #000;
}
.gnav__list a {
  position: relative;
  padding: 6px 0;
}
.gnav__list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--c-main);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .3s;
}
.gnav__list a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}
.header__toggle { display: none; }

/* ==========================================================
   FV
========================================================== */
.fv {
  position: relative;
  min-height: 542px;
  padding: 80px 0 63px;
  background: #f9f9f9;
  overflow: hidden;
  margin: 0;
  height: auto;
}
/* 写真は背景として表示（Chromeの画像ホバー検索アイコンが出ないように） */
.fv__photo {
  position: absolute;
  top: 0;
  bottom: 0;
  /* デザイン（1440px）の位置に合わせ、広い画面では右端に寄せる */
  left: max(calc(50% - 349px), calc(100% - 1158px));
  width: 1158px;
  background: url("../img/aio/forEC/fv_main.jpg") left center / auto 100% no-repeat;
  animation: fvPhotoIn 1.2s ease both;
}
.fv__inner {
  position: relative;
  z-index: 1;
}
.fv__lead {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-main);
  line-height: 1.6;
}
.fv__title {
  margin-top: 17px;
  font-size: 56px;
  font-weight: 700;
  line-height: 1.43;
  letter-spacing: .01em;
}
.fv__desc {
  margin-top: 24px;
  font-size: 16px;
}
.fv__text .btn { margin-top: 42px; }
.fv__text > * { animation: fadeUp .8s ease both; }
.fv__text > :nth-child(2) { animation-delay: .1s; }
.fv__text > :nth-child(3) { animation-delay: .2s; }
.fv__text > :nth-child(4) { animation-delay: .3s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}
@keyframes fvPhotoIn {
  from { opacity: 0; transform: scale(1.03); }
  to { opacity: 1; transform: none; }
}

/* ==========================================================
   Section common
========================================================== */
.sec { padding: 80px 0 90px; }
.sec--gray { background: var(--c-gray-bg); }

.sec-head { text-align: center; }
.sec-head--left { text-align: left; }
.sec-head__en {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: .2em;
  color: var(--c-main);
}
.sec-head__ttl {
  margin-top: 26px;
  font-size: 42px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: .02em;
}
.sec-head__ttl--lh { line-height: 1.86; margin-top: 18px; }
.sec-head__ttl--logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  margin-top: 30px;
}
.sec-head__ttl--logo img { width: 555px; }
.sec-head__ttl--contact img { width: 580px; }
.sec-head__ttl--contact { gap: 22px; }
.sec-head__lead {
  margin-top: 21px;
  font-size: 16px;
  color: var(--c-body);
}

/* fade-in on scroll */
.js .js-fade {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s ease, transform .8s ease;
}
.js .js-fade.is-inview {
  opacity: 1;
  transform: none;
}

/* ==========================================================
   ISSUES
========================================================== */
.issues {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 43px;
}
.issue {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 44px 33px 20px;
  background: var(--c-main-light);
  border-radius: 30px;
}
.issue:nth-child(2) { transition-delay: .15s; }
.issue:nth-child(3) { transition-delay: .3s; }
.issue__ttl {
  font-size: 21px;
  font-weight: 700;
  line-height: 1.71;
  text-align: center;
}
.issue__img {
  width: 100%;
  margin-top: 0;
}
.issue:nth-child(1) .issue__img { max-width: 292px; }
.issue:nth-child(2) .issue__img { max-width: 328px; }
.issue:nth-child(3) .issue__img { max-width: 306px; }
.issue__txt {
  margin-top: 6px;
  font-size: 16px;
  color: var(--c-body);
  letter-spacing: .04em;
}

/* ==========================================================
   Section foot text (共通)
========================================================== */
.sec-foot {
  margin-top: 46px;
  text-align: center;
  font-size: 16px;
  color: var(--c-body);
  letter-spacing: .02em;
}

/* ==========================================================
   HOW AI AGENTS BUY
   PCは 1200 x 414 のデザイン座標で配置し、幅に合わせて拡大縮小
========================================================== */
.sec--how { padding: 87px 0 77px; }
.agent-flow {
  position: relative;
  container-type: inline-size;
  aspect-ratio: 1200 / 414;
  margin-top: 5px;
  --u: calc(100cqw / 1200);
}
.agent-flow > * { position: absolute; }

.af-user {
  left: calc(44 * var(--u));
  top: calc(74 * var(--u));
  width: calc(313 * var(--u));
}
.af-user__bubble {
  display: flex;
  align-items: center;
  height: calc(102 * var(--u));
  padding-left: calc(32 * var(--u));
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: calc(16 * var(--u));
  font-size: calc(16 * var(--u));
  line-height: 2;
  color: var(--c-body);
}
.af-user__img {
  margin: calc(23 * var(--u)) 0 0 calc(31 * var(--u));
  width: calc(208 * var(--u));
}

.af-agent {
  left: calc(458 * var(--u));
  top: calc(70 * var(--u));
  width: calc(278 * var(--u));
}
.af-agent__img { width: 100%; }
.af-agent__label {
  position: absolute;
  left: calc(48 * var(--u));
  top: calc(177 * var(--u));
  width: calc(189 * var(--u));
  height: calc(41 * var(--u));
  display: grid;
  place-items: center;
  background: var(--c-main);
  color: #fff;
  border-radius: 999px;
  font-size: calc(18 * var(--u));
  font-weight: 700;
  line-height: 1;
  letter-spacing: .04em;
}

.af-compare {
  left: calc(887 * var(--u));
  top: calc(-8 * var(--u));
  width: calc(313 * var(--u));
}
.af-compare__ttl {
  text-align: center;
  font-size: calc(16 * var(--u));
  font-weight: 700;
  line-height: calc(32 * var(--u));
  color: var(--c-main);
}
.af-compare__list {
  display: flex;
  flex-direction: column;
  gap: calc(7 * var(--u));
  margin-top: calc(8 * var(--u));
}
.af-shop {
  display: flex;
  align-items: center;
  gap: calc(32 * var(--u));
  height: calc(123 * var(--u));
  padding-left: calc(15 * var(--u));
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: calc(16 * var(--u));
}
.af-shop img {
  flex-shrink: 0;
  width: calc(30 * var(--u));
  height: calc(87 * var(--u));
  object-fit: contain;
}
.af-shop p {
  font-size: calc(16 * var(--u));
  line-height: 1.6875;
  color: var(--c-body);
}
.af-shop b {
  display: block;
  font-size: calc(18 * var(--u));
}
.af-shop__ng { color: #d27c00; }
.af-shop.is-selected {
  background: #effcfa;
  border: 2px solid var(--c-main);
  padding-left: calc(14 * var(--u));
}
.af-shop.is-selected b { color: var(--c-main); }

/* 矢印（文字＋線＋矢じり） */
.af-arrow {
  height: calc(48 * var(--u));
  text-align: center;
  font-size: calc(16 * var(--u));
  font-weight: 700;
  line-height: calc(32 * var(--u));
  color: var(--c-main);
}
.af-arrow::before,
.af-arrow::after {
  content: "";
  position: absolute;
  top: calc(42 * var(--u));
}
.af-arrow::before {
  left: 0;
  right: 0;
  height: 2px;
  background: var(--c-main);
}
.af-arrow::after {
  width: calc(11 * var(--u));
  height: calc(11 * var(--u));
  border-top: 2px solid var(--c-main);
  border-right: 2px solid var(--c-main);
  margin-top: calc(-5.5 * var(--u));
}
.af-arrow--request,
.af-arrow--search { top: calc(209 * var(--u)); width: calc(98 * var(--u)); }
.af-arrow--request { left: calc(344 * var(--u)); }
.af-arrow--search { left: calc(756 * var(--u)); }
.af-arrow--request::after,
.af-arrow--search::after { right: 1px; transform: rotate(45deg); }
.af-arrow--back {
  left: calc(347 * var(--u));
  top: calc(319 * var(--u));
  width: calc(542 * var(--u));
}
.af-arrow--back::after { left: 1px; transform: rotate(-135deg); }
.af-return { display: none; }

/* ==========================================================
   AI CHANNELS
========================================================== */
.sec#channels { padding-bottom: 92px; }
.channels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 47px;
}
.channel {
  display: flex;
  flex-direction: column;
  padding: 36px 33px 33px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 30px;
}
.channel:nth-child(2) { transition-delay: .15s; }
.channel:nth-child(3) { transition-delay: .3s; }
.channel__name {
  font-size: 21px;
  font-weight: 700;
  line-height: 1.4;
}
.channel__txt {
  margin-top: 14px;
  font-size: 16px;
  color: var(--c-body);
  letter-spacing: .02em;
}
.channel__img {
  width: 100%;
  margin: 0 auto;
}
.channel:nth-child(1) .channel__img { max-width: 246px; }
.channel:nth-child(2) .channel__img { max-width: 261px; }
.channel:nth-child(3) .channel__img { max-width: 240px; }
.channel__src {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: auto;
  padding-top: 4px;
}
.channel__src span {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 57px;
  padding: 4px;
  background: var(--c-main-light);
  border-radius: 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
}
.channel__src span.is-alt { background: #dfecf3; }
.channel__src small {
  font-size: 13px;
  font-weight: 700;
}
.channel__out {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 58px;
  margin-top: 18px;
  padding: 8px;
  background: #26313f;
  border-radius: 4px;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  text-align: center;
}
.channel__out::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -14px;
  border-top: 12px solid var(--c-main);
  border-left: 9.5px solid transparent;
  border-right: 9.5px solid transparent;
  transform: translateX(-50%);
}

/* ==========================================================
   CONCEPT（4つの段階）
========================================================== */
.sec--concept { padding-bottom: 92px; }
.stages {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 50px;
}
.stage {
  padding: 32px 16px 26px 28px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.stage:nth-child(2) { transition-delay: .1s; }
.stage:nth-child(3) { transition-delay: .2s; }
.stage:nth-child(4) { transition-delay: .3s; }
.stage__head {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-left: -7px;
}
.stage__num {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 51px;
  height: 51px;
  border-radius: 50%;
  background: var(--c-main);
  color: #fff;
  font-size: 21px;
  font-weight: 700;
  line-height: 1;
}
.stage__head h3 {
  font-size: 21px;
  font-weight: 700;
  line-height: 1.35;
}
.stage__head small {
  display: block;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
}
.stage__head small b { font-weight: 700; }
.stage__txt {
  margin: 18px 0 22px;
  font-size: 16px;
  color: var(--c-body);
}
.stage__label {
  /* margin-top: 22px; */
  margin-top: auto;
  font-size: 14px;
  color: #656565;
}
.stage__tags {
  display: flex;
  /* flex-direction: column; */
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 8px;
  margin-top: 2px;
  min-height: 68px;
}
.stage__tags li {
  padding: 0 11px;
  background: var(--c-main-light);
  border-radius: 999px;
  color: var(--c-main);
  font-size: 13px;
  line-height: 30px;
}

/* ==========================================================
   PROCESS
========================================================== */
.process {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  margin-top: 35px;
}
.process__fig {
  flex: 0 1 580px;
}
.process__fig img {
  width: 100%;
  max-width: 416px;
  margin-inline: auto;
}
.process__list {
  flex: 0 0 565px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.process__list li {
  padding: 18px 16px 17px 25px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 16px;
}
.process__list li:nth-child(2) { transition-delay: .1s; }
.process__list li:nth-child(3) { transition-delay: .2s; }
.process__list li:nth-child(4) { transition-delay: .3s; }
.process__list h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.6;
}
.process__list h3 span {
  display: grid;
  place-items: center;
  width: 33px;
  height: 33px;
  border-radius: 50%;
  background: var(--c-main);
  color: #fff;
  font-size: 14px;
  line-height: 1;
}
.process__list p {
  margin-top: 4px;
  padding-left: 5px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-body);
}
.sec#process { padding-bottom: 148px; }

/* ==========================================================
   WHY US
========================================================== */
.sec#reason { padding-bottom: 85px; }
.reasons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 64px;
}
.reason {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 30px;
  overflow: hidden;
}
.reason:nth-child(2) { transition-delay: .15s; }
.reason:nth-child(3) { transition-delay: .3s; }
.reason__num {
  height: 48px;
  display: grid;
  place-items: center;
  background: var(--c-main);
  color: #fff;
  font-size: 21px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .04em;
}
.reason__body { padding: 36px 36px 44px 33px; }
.reason__ttl {
  font-size: 21px;
  font-weight: 700;
  line-height: 1.71;
}
.reason__txt {
  margin-top: 38px;
  font-size: 16px;
  color: var(--c-body);
  letter-spacing: .02em;
}

/* ==========================================================
   SCOPE
========================================================== */
.sec--scope { padding: 78px 0 72px; }
.scope {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.scope__desc {
  max-width: 545px;
  margin-top: 18px;
  font-size: 16px;
  color: var(--c-body);
  letter-spacing: .02em;
}
.venn {
  position: relative;
  container-type: inline-size;
  width: 469px;
  flex-shrink: 0;
  /* margin-right: -41px; */
  --u: calc(100cqw / 469);
}
.venn img { width: 100%; }
.venn p {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: calc(21 * var(--u));
  font-weight: 700;
  line-height: 1.71;
  text-align: center;
  white-space: nowrap;
  color: var(--c-main);
}
.venn__l { left: 22.2%; }
.venn__c { left: 50%; color: #fff !important; }
.venn__r { left: 77.1%; }

/* ==========================================================
   PRICE
========================================================== */
.sec--price { padding: 80px 0 57px; }
.price {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
}
.price__desc {
  margin-top: 42px;
  font-size: 16px;
  color: var(--c-body);
  letter-spacing: .02em;
}
.price-card {
  width: 602px;
  flex-shrink: 0;
  padding: 59px 78px 50px 82px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 16px;
}
.price-card__logo img { width: 434px; }
.price-card__table {
  width: 100%;
  margin-top: 43px;
  border-collapse: collapse;
  border-top: 1px solid #888;
}
.price-card__table tr { border-bottom: 1px solid #888; }
.price-card__table th,
.price-card__table td {
  height: 56px;
  padding: 0;
  vertical-align: middle;
}
.price-card__table th {
  text-align: left;
  font-size: 18px;
  font-weight: 500;
}
.price-card__table td {
  text-align: right;
  font-size: 24px;
  font-weight: 700;
  color: var(--c-main);
  letter-spacing: .02em;
}
.price-card__note { margin-top: 22px; }
.price-card__note-ttl {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--c-main);
  letter-spacing: .04em;
}
.price-card__note li {
  position: relative;
  padding-left: 1em;
  font-size: 16px;
  color: var(--c-body);
  letter-spacing: .02em;
}
.price-card__note li::before {
  content: "・";
  position: absolute;
  left: 0;
}

/* ==========================================================
   FAQ
========================================================== */
.sec#faq { padding: 80px 0 90px; }
.container--faq { width: min(1026px, 100% - 40px); }
.faq { margin-top: 56px; }
.faq__item {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 16px;
}
.faq__item + .faq__item { margin-top: 14px; }
.faq__q {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 27px 80px 27px 20px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--c-body);
  text-align: left;
}
.faq__q::after {
  content: "";
  position: absolute;
  right: 42px;
  top: 50%;
  width: 11px;
  height: 11px;
  border-top: 2.5px solid var(--c-main);
  border-left: 2.5px solid var(--c-main);
  transform: translateY(-70%) rotate(-135deg);
  transition: transform .3s;
}
.is-open .faq__q::after { transform: translateY(-25%) rotate(45deg); }
.faq__icon {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 39px;
  height: 39px;
  border-radius: 50%;
  background: var(--c-main-light);
  color: var(--c-main);
  font-size: 18px;
  line-height: 1;
}
.faq__a {
  overflow: hidden;
  transition: height .35s ease;
}
.faq__a p {
  padding: 0 70px 33px 68px;
  font-size: 16px;
  color: var(--c-body);
  letter-spacing: .02em;
  margin-top: -6px;
}
.js .faq__item:not(.is-open) .faq__a { height: 0; }

/* ==========================================================
   CONTACT
========================================================== */
.sec--contact { padding: 80px 0 116px; }
.contact__desc {
  margin-top: 60px;
  text-align: center;
  font-size: 16px;
  color: var(--c-body);
  letter-spacing: .02em;
}
.contact__btn {
  margin-top: 64px;
  text-align: center;
}

/* ==========================================================
   Responsive : ~1439px (8項目のメニューを1行に収める)
========================================================== */
@media (max-width: 1439px) {
  .header__logo img { width: 300px; }
  .gnav { gap: 20px; }
  .gnav__list { gap: 16px; font-size: 13px; }
  .btn--sm { width: 150px; }
}

/* ==========================================================
   Responsive : ~1239px (nav condensed)
========================================================== */
@media (max-width: 1239px) {
  .fv__title { font-size: clamp(40px, 4.5vw, 56px); }
  .fv::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(90deg, #f9f9f9 0%, rgba(249, 249, 249, .85) 35%, rgba(249, 249, 249, 0) 60%);
    pointer-events: none;
  }
  .fv__inner { z-index: 2; }
  .stages { grid-template-columns: repeat(2, 1fr); }
  .stage__tags { min-height: unset;}
  .channel { padding: 32px 24px 28px; }
  .process__list { flex-basis: 52%; }
  .venn { margin-right: 0; width: 42%; }
  .price-card { width: 50%; padding: 48px 5%; }
  .price-card__logo img { width: 100%; }
}

/* ==========================================================
   Responsive : ~1199px (hamburger)
========================================================== */
@media (max-width: 1199px) {
  :root { --header-h: 64px; }

  .header__inner { padding: 0 8px 0 20px; }
  .header__logo img { width: 260px; }
  .gnav__list { font-size: 16px; }
  .header__toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    width: 48px;
    height: 48px;
    position: relative;
    z-index: 2;
  }
  .header__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--c-text);
    transition: transform .3s, opacity .3s;
  }
  .header__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .header__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .header__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

  .gnav {
    position: fixed;
    top: calc(var(--gmo-h, 0px) + var(--header-h));
    left: 0;
    right: 0;
    height: calc(100dvh - var(--gmo-h, 0px) - var(--header-h));
    flex-direction: column;
    align-items: stretch;
    gap: 32px;
    padding: 16px 20px 40px;
    background: #fff;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity .3s, visibility .3s, transform .3s;
  }
  .gnav.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .gnav__list {
    flex-direction: column;
    gap: 0;
    font-size: 16px;
  }
  .gnav__list li { border-bottom: 1px solid #e5e5e5; }
  .gnav__list a {
    display: block;
    padding: 18px 4px;
  }
  .gnav__list a::after { display: none; }
  .gnav__cta.btn--sm {
    width: 100%;
    height: 56px;
    font-size: 16px;
  }
  body.is-menu-open { overflow: hidden; }
}

/* ==========================================================
   Responsive : Tablet ~1023px
========================================================== */
@media (max-width: 1023px) {

  /* FV */
  /* 文字 → 写真の順に縦並び */
  .fv {
    display: flex;
    flex-direction: column;
    min-height: 0;
    padding: 48px 0 0;
  }
  .fv::before { display: none; }
  .fv__text { text-align: center; }
  .fv__title { font-size: 48px; margin-top: 16px; }
  .fv__photo {
    position: relative;
    order: 1;
    left: auto;
    width: 100%;
    margin-top: 40px;
    aspect-ratio: 778 / 542;
    max-height: 560px;
    background-position: 72% center;
    background-size: cover;
  }

  .sec { padding: 64px 0 72px; }
  .sec-head__ttl { font-size: 34px; }

  .issues,
  .reasons {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin-inline: auto;
    gap: 20px;
  }
  .issue:nth-child(n),
  .reason:nth-child(n) { transition-delay: 0s; }
  .reason__txt { margin-top: 20px; }

  .scope,
  .price {
    flex-direction: column;
    align-items: stretch;
  }
  .venn { width: min(469px, 100%); margin-inline: auto; }
  .price-card {
    width: 100%;
    max-width: 602px;
    margin-inline: auto;
  }
  .sec#channels,
  .sec#process,
  .sec--concept { padding-bottom: 72px; }

  /* HOW：上から下への縦並び */
  .agent-flow {
    aspect-ratio: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 440px;
    margin-inline: auto;
    --u: 1px;
  }
  .agent-flow > * { position: relative; left: auto; top: auto; }
  .af-user { width: 100%; }
  .af-user__bubble { height: auto; padding: 16px 24px; justify-content: center; text-align: center; }
  .af-user__img { margin: 16px auto 0; }
  .af-arrow--request,
  .af-arrow--search { width: 100%; height: 68px; }
  .af-arrow--request span,
  .af-arrow--search span {
    position: absolute;
    left: calc(50% + 18px);
    top: 50%;
    transform: translateY(-50%);
  }
  .af-arrow--request::before,
  .af-arrow--search::before {
    left: 50%;
    right: auto;
    top: 10px;
    bottom: 12px;
    width: 2px;
    height: auto;
    margin-left: -1px;
  }
  .af-arrow--request::after,
  .af-arrow--search::after {
    top: auto;
    bottom: 12px;
    left: 50%;
    right: auto;
    margin: 0 0 0 -6px;
    transform: rotate(135deg);
  }
  .af-agent__label { position: relative; left: auto; top: auto; margin: -8px auto 0; }
  .af-compare { width: 100%; }
  .af-shop { height: auto; min-height: 108px; padding-block: 12px; }
  /* 貴社ECカード → 下向き矢印 → 生活者 の順に見せる */
  .af-arrow--back {
    width: 100%;
    height: 96px;
    margin-top: 4px;
  }
  .af-arrow--back span {
    position: absolute;
    z-index: 1;
    left: 50%;
    top: 44%;
    transform: translate(-50%, -50%);
    padding: 6px 14px;
    background: #fff;
    border: 1.5px solid var(--c-main);
    border-radius: 999px;
    font-size: 14px;
    line-height: 1.4;
    width: max-content;
    max-width: calc(100% - 16px);
    text-align: center;
  }
  .af-arrow--back::before {
    left: 50%;
    right: auto;
    top: 8px;
    bottom: 12px;
    width: 2px;
    height: auto;
    margin-left: -1px;
  }
  .af-arrow--back::after {
    top: auto;
    bottom: 12px;
    left: 50%;
    margin: 0 0 0 -6px;
    transform: rotate(135deg);
  }
  .af-return {
    display: block;
    width: 150px;
    margin-top: 4px;
  }

  .channels {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin-inline: auto;
    gap: 20px;
  }
  .channel:nth-child(n),
  .stage:nth-child(n),
  .process__list li:nth-child(n) { transition-delay: 0s; }

  .process { flex-direction: column; align-items: stretch; }
  .process__fig { flex: none; }
  .process__list { flex: none; width: 100%; max-width: 600px; margin-inline: auto; }

  .sec--scope { padding: 64px 0 72px; }
  .sec--price { padding: 64px 0 72px; }
  .sec--contact { padding: 64px 0 88px; }
}

/* ==========================================================
   Responsive : SP ~767px
========================================================== */
@media (max-width: 767px) {
  body { font-size: 15px; line-height: 1.87; }
  .pc-only { display: none; }
  .sp-only { display: inline; }

  .header__logo img { width: 210px; }

  .fv { padding-top: 32px; }
  .fv__lead { font-size: 13px; }
  .fv__title { font-size: 34px; line-height: 1.45; }
  .fv__desc { margin-top: 18px; font-size: clamp(12px, 3.6vw, 14px); letter-spacing: 0; }
  .fv__text .btn { margin-top: 28px; }
  .fv__photo { margin-top: 32px; }
  .btn--lg {
    width: 100%;
    max-width: 346px;
    height: 60px;
    font-size: 18px;
  }
  .btn--xl { height: 64px; font-size: 18px; }

  .sec,
  .sec#reason,
  .sec#faq,
  .sec#channels,
  .sec#process,
  .sec--concept,
  .sec--scope,
  .sec--price { padding: 56px 0 64px; }
  .sec--contact { padding: 56px 0 72px; }
  .sec-head__en { font-size: 13px; }
  .sec-head__ttl { margin-top: 12px; font-size: 24px; }
  .sec-head__ttl--lh { line-height: 1.6; }
  .sec-head__ttl--logo { gap: 10px; margin-top: 20px; }
  .sec-head__ttl--logo img { width: min(360px, 100%); }
  .sec-head__lead { margin-top: 20px; font-size: 14px; text-align: left; }
  .sec-head--left { text-align: center; }

  .issues { margin-top: 32px; }
  .issue { padding: 32px 22px 28px; border-radius: 20px; }
  .issue__ttl { font-size: 18px; }
  .issue__txt { font-size: 14px; }

  .sec-foot { margin-top: 32px; font-size: 14px; text-align: left; }

  .agent-flow { margin-top: 28px; }
  .af-user__bubble { padding: 14px 18px; font-size: 14px; }
  .af-shop p { font-size: 14px; }
  .af-shop b { font-size: 16px; }

  .channels { margin-top: 32px; }
  .channel { padding: 28px 20px 24px; border-radius: 20px; }
  .channel__name { font-size: 18px; }
  .channel__txt { margin-top: 8px; font-size: 14px; }
  .channel__src span { font-size: 14px; min-height: 52px; }
  .channel__src small { font-size: 12px; }
  .channel__out { font-size: 15px; min-height: 52px; }

  .stages { grid-template-columns: 1fr; gap: 16px; margin-top: 32px; }
  .stage { padding: 24px 20px 24px 24px; border-radius: 20px; }
  .stage__num { width: 44px; height: 44px; font-size: 18px; }
  .stage__head { margin-left: -4px; }
  .stage__head h3 { font-size: 19px; }
  .stage__head small { font-size: 14px; }
  .stage__txt { margin: 12px 0 10px; font-size: 14px; }
  .stage__label { font-size: 14px; }
  .stage__tags { flex-direction: row; flex-wrap: wrap; }
  .stage__tags li { font-size: 13px; line-height: 28px; }

  .process { margin-top: 28px; gap: 24px; }
  .process__fig img { max-width: 320px; }
  .process__list li { padding: 14px 16px 16px; border-radius: 12px; }
  .process__list h3 { font-size: 16px; }
  .process__list h3 span { width: 28px; height: 28px; font-size: 13px; }
  .process__list p { padding-left: 0; font-size: 14px; }

  .reasons { margin-top: 32px; }
  .reason { border-radius: 20px; }
  .reason__num { height: 44px; font-size: 18px; }
  .reason__body { padding: 24px 22px 28px; }
  .reason__ttl { font-size: 18px; }
  .reason__txt { margin-top: 14px; font-size: 14px; }

  .scope { gap: 28px; }
  .scope__desc { margin-top: 20px; font-size: 14px; }
  .price { gap: 28px; }
  .price__desc { margin-top: 20px; font-size: 14px; text-align: center; }
  .price-card { padding: 32px 20px 28px; }
  .price-card__table { margin-top: 28px; }
  .price-card__table th { font-size: 14px; }
  .price-card__table td { font-size: 17px; }
  .price-card__table th,
  .price-card__table td { height: 52px; }
  .price-card__note-ttl { font-size: 16px; }
  .price-card__note li { font-size: 14px; }

  .faq { margin-top: 32px; }
  .faq__item { border-radius: 12px; }
  .faq__item + .faq__item { margin-top: 12px; }
  .faq__q {
    align-items: flex-start;
    padding: 18px 48px 18px 14px;
    font-size: 15px;
  }
  .faq__q::after { right: 20px; top: 34px; width: 9px; height: 9px; }
  .faq__icon { width: 32px; height: 32px; font-size: 15px; margin-top: -2px; }
  .faq__a p { padding: 0 20px 22px 54px; font-size: 14px; margin-top: -4px; }

  .contact__desc { margin-top: 28px; font-size: 14px; text-align: left; }
  .contact__btn { margin-top: 36px; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .js-fade { opacity: 1; transform: none; }
}