```css
@charset "UTF-8";
/* CSS Document */


/* ========================================
   Reset / Base
======================================== */

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

html {
  scroll-behavior: smooth;
}

body {
  padding: 0;
  margin: 0;
  color: #202020;
  background: #fffdf8;
  font-feature-settings: "palt";
  font-family:
    YuMincho,
    "Yu Mincho",
    "Hiragino Mincho ProN",
    "Hiragino Mincho Pro",
    serif;
  line-height: 1.9;
  letter-spacing: 0.04em;
}

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

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

ul,
ol {
  padding: 0;
  margin: 0;
}

li {
  list-style: none;
}

h1,
h2,
h3,
p,
dl,
dt,
dd {
  padding: 0;
  margin: 0;
}

button,
input,
textarea,
select {
  font: inherit;
}


/* ========================================
   Variables
======================================== */

:root {
  --section-margin: 120px;
  --section-padding: 110px;

  --bg-color: #fffdf8;
  --bg-color-sub: #f4f1e8;
  --bg-color-light: #faf8f1;

  --main-color: #113f67;
  --main-color-dark: #0b2c48;
  --main-color-light: #d8e7f2;

  --accent-color: #ff7600;
  --accent-color-dark: #d95f00;

  --text-color: #202020;
  --text-color-light: #6d6d6d;

  --border-color: rgba(17, 63, 103, 0.16);

  --main-gradient:
    linear-gradient(
      135deg,
      rgba(22, 135, 237, 0.95),
      rgba(20, 55, 90, 0.98)
    );

  --shadow:
    0 18px 50px rgba(26, 43, 58, 0.1);

  --shadow-small:
    0 8px 30px rgba(26, 43, 58, 0.08);
}


/* ========================================
   Common
======================================== */

section {
  display: block;
  padding: var(--section-padding) 0;
}

main {
  display: block;
  width: 100%;
  overflow: hidden;
}

.lower_inner,
.breadcrumb_inner,
.lower_contact_inner,
.footer_inner {
  width: min(1100px, calc(100% - 48px));
  margin: 0 auto;
}

.lower_heading {
  margin-bottom: 60px;
}

.lower_heading.center {
  text-align: center;
}

.lower_heading_en,
.service_detail_number,
.business_detail_number,
.lower_contact_en,
.sub_mv_en {
  color: var(--accent-color);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.lower_heading h2,
.service_detail_heading h2 {
  margin-top: 12px;
  color: var(--main-color-dark);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0.04em;
}

.text_link {
  position: relative;
  display: inline-block;
  margin-top: 28px;
  padding-right: 46px;
  color: var(--main-color);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.text_link::after {
  position: absolute;
  top: 50%;
  right: 0;
  width: 32px;
  height: 1px;
  background: var(--main-color);
  content: "";
  transition: width 0.3s ease;
}

.text_link:hover::after {
  width: 42px;
}


/* ========================================
   Header
======================================== */

header {
  position: fixed;
  z-index: 1000;
  top: 0;
  left: 0;
  display: block;
  width: 100%;
  height: 80px;
  background: rgba(255, 253, 248, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(17, 63, 103, 0.1);
}

.header_nk {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 40px));
  height: 80px;
  margin: 0 auto;
}

.header_left {
  display: block;
  width: 250px;
}

.header_left a {
  display: block;
}

.header_left img {
  width: 100%;
  height: auto;
}

.header_right {
  height: 100%;
}

.header_right nav {
  display: flex;
  align-items: stretch;
  justify-content: flex-end;
  height: 100%;
}

.header_link {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 90px;
  height: 100%;
  margin: 0 6px;
  color: #2b2b2b;
  font-size: 11px;
  font-weight: 700;
  text-align: center;
  transition:
    color 0.3s ease,
    background 0.3s ease;
}

.header_link span {
  display: block;
  margin-bottom: 1px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
  letter-spacing: 0.06em;
}

.header_link::after {
  position: absolute;
  right: 16px;
  bottom: 12px;
  left: 16px;
  height: 2px;
  background: var(--accent-color);
  content: "";
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.3s ease;
}

.header_link:hover,
.header_link.current {
  color: var(--accent-color);
}

.header_link:hover::after,
.header_link.current::after {
  transform: scaleX(1);
}

.header_contact {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 150px;
  height: 80px;
  margin-left: 16px;
  padding: 0 24px;
  color: #fff;
  background: var(--accent-color);
  font-size: 11px;
  font-weight: 700;
  text-align: center;
  transition: background 0.3s ease;
}

.header_contact:hover {
  background: var(--accent-color-dark);
}

.header_contact span {
  display: block;
  margin-bottom: 1px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 15px;
  letter-spacing: 0.08em;
}


/* ========================================
   Top Main Visual
======================================== */

.main_view {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 760px;
  padding-top: 80px;
  background:
    linear-gradient(
      90deg,
      rgba(8, 28, 46, 0.75),
      rgba(8, 28, 46, 0.16)
    ),
    url("../img/top_img.jpg") center center / cover no-repeat;
}

.main_view::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 140px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.2), transparent);
  content: "";
}

.main_view_text {
  position: relative;
  z-index: 2;
  width: min(1100px, calc(100% - 48px));
  margin: 0 auto;
  color: #fff;
}

.main_view_text > p:first-child {
  margin-bottom: 20px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.main_view h1 {
  margin: 0;
  font-size: clamp(42px, 6vw, 78px);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 0.05em;
}

.main_view_lead {
  margin-top: 30px;
  font-size: 16px;
  line-height: 2;
}

.main_view_button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 190px;
  height: 58px;
  margin-top: 36px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.65);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  transition:
    color 0.3s ease,
    background 0.3s ease;
}

.main_view_button:hover {
  color: var(--main-color-dark);
  background: #fff;
}


/* ========================================
   Message
======================================== */

#sec_1 {
  background: var(--bg-color);
}

.message {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 80px;
  width: min(1100px, calc(100% - 48px));
  margin: 0 auto;
}

.message_left h1,
.message_left h2 {
  color: var(--main-color-dark);
  font-size: clamp(32px, 3vw, 40px);
  font-weight: 500;
  line-height: 1.55;
}

.message_left h1 span,
.message_left h2 span {
  display: block;
  margin-bottom: 12px;
  color: var(--accent-color);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.message_right {
  padding-top: 28px;
}

.message_right p {
  margin-bottom: 24px;
  color: #4e4e4e;
  font-size: 16px;
  line-height: 2.2;
}


/* ========================================
   Top Business
======================================== */

#sec_2 {
  background: var(--bg-color-light);
}

.business {
  width: min(1100px, calc(100% - 48px));
  margin: 0 auto;
}

.business > h1,
.business > h2 {
  color: var(--main-color-dark);
  font-size: clamp(32px, 4vw, 50px);
  font-weight: 500;
  text-align: center;
}

.business > h1 span,
.business > h2 span {
  display: block;
  margin-bottom: 10px;
  color: var(--accent-color);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.business_lead {
  margin-top: 22px;
  color: var(--text-color-light);
  text-align: center;
}

.business_flex {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 60px;
}

.business_flex_box {
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(17, 63, 103, 0.08);
  box-shadow: var(--shadow-small);
  transition:
    transform 0.35s ease,
    box-shadow 0.35s ease;
}

.business_flex_box:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
}

.bfb_phot {
  width: 100%;
  height: 240px;
  background-position: center;
  background-size: cover;
}

.design_phot {
  background-image: url("../img/glafic.jpg");
}

.advertising_phot {
  background-image: url("../img/koukoku.jpg");
}

.web_phot {
  background-image: url("../img/web.jpg"), linear-gradient(135deg, #dce8f1, #f6f9fb);
}

.information_phot,
.information_visual {
  background-image: url("../img/dm.jpg");
  background-position: center;
  background-size: cover;
}

.business_detail_image.information_visual,
.service_detail_image.information_visual {
  min-height: 420px;
}

.service_number {
  margin: 26px 28px 0 !important;
  padding: 0 !important;
  color: var(--accent-color);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px !important;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.business_flex_box h2,
.business_flex_box h3 {
  margin: 8px 28px 0;
  color: var(--main-color-dark);
  font-size: 24px;
  font-weight: 500;
}

.business_flex_box > p {
  margin: 16px 28px 26px;
  padding: 0;
  color: #666;
  font-size: 14px;
  line-height: 1.9;
}

.business_flex_box ul {
  margin: 0 28px 30px;
  border-top: 1px solid var(--border-color);
}

.business_flex_box li {
  position: relative;
  padding: 11px 0 11px 16px;
  border-bottom: 1px solid var(--border-color);
  color: #555;
  font-size: 13px;
}

.business_flex_box li::before {
  position: absolute;
  top: 19px;
  left: 0;
  width: 5px;
  height: 5px;
  background: var(--accent-color);
  border-radius: 50%;
  content: "";
}


/* ========================================
   Policy / Creative
======================================== */

#sec_3 {
  background: var(--main-color-dark);
}

.policy {
  width: min(1100px, calc(100% - 48px));
  margin: 0 auto;
  color: #fff;
}

.policy_title h1,
.policy_title h2,
.policy > h1,
.policy > h2 {
  color: #fff;
  font-size: clamp(34px, 4vw, 54px);
  font-weight: 500;
  line-height: 1.5;
}

.policy h1 span,
.policy h2 span {
  display: block;
  margin-bottom: 12px;
  color: #ffb16e;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.policy_text {
  width: 65%;
  margin-top: 36px;
}

.policy_text p,
.policy > p {
  color: rgba(255, 255, 255, 0.76);
  font-size: 16px;
  line-height: 2.1;
}

.policy_flex {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 70px;
  background: rgba(255, 255, 255, 0.18);
}

.policy_box {
  padding: 40px 34px;
  background: var(--main-color-dark);
}

.policy_num {
  color: #ffb16e;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  font-weight: 700;
}

.policy_box h3 {
  margin-top: 14px;
  font-size: 22px;
  font-weight: 500;
}

.policy_box p:last-child {
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.67);
  font-size: 14px;
  line-height: 1.9;
}


/* ========================================
   Works
======================================== */

#sec_works {
  background: #fff;
}

.works {
  width: min(1100px, calc(100% - 48px));
  margin: 0 auto;
}

.works_title {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}

.works_title h2 {
  color: var(--main-color-dark);
  font-size: clamp(32px, 4vw, 50px);
  font-weight: 500;
}

.works_title h2 span {
  display: block;
  margin-bottom: 10px;
  color: var(--accent-color);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.works_title p {
  max-width: 430px;
  color: var(--text-color-light);
  font-size: 14px;
}

.works_flex {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-top: 55px;
}

.works_box {
  display: block;
}

.works_image {
  height: 280px;
  overflow: hidden;
  background-position: center;
  background-size: cover;
  transition: transform 0.35s ease;
}

.works_box:hover .works_image {
  transform: scale(1.02);
}

.works_image_01 {
  background-image: url("../img/works_01.jpg");
}

.works_image_02 {
  background-image: url("../img/works_02.jpg");
}

.works_image_03 {
  background-image: url("../img/works_03.jpg");
}

.works_category {
  margin-top: 18px;
  color: var(--accent-color);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.works_box h3 {
  margin-top: 5px;
  color: var(--main-color-dark);
  font-size: 20px;
  font-weight: 500;
}

.works_more {
  margin-top: 52px;
  text-align: center;
}

.works_more a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 220px;
  height: 58px;
  color: #fff;
  background: var(--main-color);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  transition: background 0.3s ease;
}

.works_more a:hover {
  background: var(--main-color-dark);
}


/* ========================================
   Top Company
======================================== */

#sec_4 {
  background: var(--bg-color-sub);
}

.company {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 90px;
  width: min(1100px, calc(100% - 48px));
  margin: 0 auto;
}

.company_left h1,
.company_left h2,
.company > h1,
.company > h2 {
  color: var(--main-color-dark);
  font-size: clamp(32px, 4vw, 50px);
  font-weight: 500;
}

.company_left h1 span,
.company_left h2 span,
.company > h1 span,
.company > h2 span {
  display: block;
  margin-bottom: 10px;
  color: var(--accent-color);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.company_left > p,
.company > p {
  margin-top: 28px;
  color: var(--text-color-light);
  font-size: 15px;
  line-height: 2;
}

.company_button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 180px;
  height: 54px;
  margin-top: 32px;
  color: #fff;
  background: var(--main-color);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.company_right dl > div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 30px;
  padding: 22px 0;
  border-bottom: 1px solid rgba(17, 63, 103, 0.14);
}

.company_right dt {
  color: var(--main-color-dark);
  font-weight: 700;
}

.company_right dd {
  color: #555;
  font-size: 14px;
}


.company_pc{
  display: block;
}
.company_sp{
  display: none;
}



/* ========================================
   Top Contact
======================================== */

#sec_5 {
  padding: 0;
  background: var(--accent-color);
}

.contact {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  min-height: 310px;
}

.contact_left {
  padding: 70px max(6vw, 40px);
  color: #fff;
}

.contact_left h1,
.contact_left h2 {
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 500;
  line-height: 1.45;
}

.contact_left h1 span,
.contact_left h2 span {
  display: block;
  margin-bottom: 10px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.contact_left p {
  margin-top: 22px;
  color: rgba(255, 255, 255, 0.84);
}

.contact_right {
  display: flex;
  align-items: stretch;
}

.contact_right a {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: var(--main-color-dark);
  font-size: 17px;
  text-align: center;
  transition: background 0.3s ease;
}

.contact_right a:hover {
  background: #071f33;
}

.contact_right a span {
  margin-bottom: 8px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
}


.contel img{
  display: block;
  width: 80%;
  min-width: 200px;
  max-width: 350px;
  margin: 10px auto 0;
}

/* ========================================
   Lower Page Main Visual
======================================== */

.sub_mv {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 500px;
  padding-top: 150px;
  padding-bottom: 80px;
  color: #fff;
  background-color: var(--main-color-dark);
  background-position: center;
  background-size: cover;
}

.sub_mv::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      rgba(8, 32, 51, 0.85),
      rgba(8, 32, 51, 0.28)
    );
  content: "";
}

.company_mv {
  background-image: url("../img/company.jpg");
}

.business_mv {
  background-image: url("../img/business.jpg");
}

.service_mv {
  background-image: url("../img/service.jpg");
}

.recruit_mv {
  background-image: url("../img/recruite.jpg");
}

.sub_mv_inner {
  position: relative;
  z-index: 2;
  width: min(1100px, calc(100% - 48px));
  margin: 0 auto;
}

.sub_mv h1 {
  margin-top: 12px;
  font-size: clamp(44px, 6vw, 72px);
  font-weight: 500;
  line-height: 1.25;
}

.sub_mv_text {
  margin-top: 24px;
  font-size: 16px;
  line-height: 2;
}

.breadcrumb {
  border-bottom: 1px solid rgba(17, 63, 103, 0.1);
  background: #fff;
}

.breadcrumb_inner {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 62px;
  color: #777;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 11px;
  letter-spacing: 0.08em;
}

.breadcrumb a {
  color: var(--main-color);
}


/* ========================================
   Lower Common
======================================== */

.lower_section {
  background: var(--bg-color);
}

.lower_section:nth-of-type(even) {
  background: var(--bg-color-light);
}


/* ========================================
   Company Page
======================================== */

.company_message,
.recruit_message {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.company_message_image,
.recruit_message_image,
.business_detail_image,
.service_detail_image,
.environment_image {
  overflow: hidden;
}

.company_message_image img,
.recruit_message_image img,
.business_detail_image img,
.service_detail_image img,
.environment_image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.company_message_image {
  min-height: 500px;
}

.company_message_text p,
.recruit_message_text p {
  margin-bottom: 24px;
  color: #555;
  font-size: 15px;
  line-height: 2.1;
}

.company_value_section,
.recruit_person_section,
.recruit_environment_section,
.business_style_section,
.flow_section,
.faq_section {
  background: var(--bg-color-sub);
}

.value_grid,
.recruit_person_grid,
.business_style_grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.value_box,
.recruit_person_box,
.business_style_box {
  min-height: 220px;
  padding: 36px 28px;
  background: #fff;
  border-top: 3px solid var(--main-color);
  box-shadow: var(--shadow-small);
}

.value_number,
.recruit_person_number,
.business_style_number {
  color: var(--accent-color);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  font-weight: 700;
}

.value_box h3,
.recruit_person_box h3,
.business_style_box h3 {
  margin-top: 14px;
  color: var(--main-color-dark);
  font-size: 21px;
  font-weight: 500;
}

.value_box p:last-child,
.recruit_person_box p:last-child,
.business_style_box p:last-child {
  margin-top: 16px;
  color: #666;
  font-size: 14px;
  line-height: 1.9;
}

.company_profile_inner {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 80px;
}

.company_table dl > div {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 36px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border-color);
}

.company_table dt {
  color: var(--main-color-dark);
  font-weight: 700;
}

.company_table dd {
  color: #555;
  font-size: 14px;
  line-height: 2;
}


/* ========================================
   Business Page
======================================== */

.business_intro,
.service_intro {
  width: 70%;
  margin-left: auto;
}

.business_intro p,
.service_intro p {
  margin-bottom: 22px;
  color: #555;
  font-size: 16px;
  line-height: 2.1;
}

.business_detail_section {
  background: #fff;
}

.business_detail_section.reverse {
  background: var(--bg-color-light);
}

.business_detail_box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.business_detail_section.reverse .business_detail_image {
  order: 2;
}

.business_detail_image {
  min-height: 520px;
}

.business_detail_text h2 {
  margin-top: 12px;
  color: var(--main-color-dark);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 500;
}

.business_detail_text > p:not(.business_detail_number) {
  margin-top: 22px;
  color: #555;
  font-size: 15px;
  line-height: 2;
}

.business_detail_text ul {
  margin-top: 28px;
  border-top: 1px solid var(--border-color);
}

.business_detail_text li {
  position: relative;
  padding: 13px 0 13px 20px;
  border-bottom: 1px solid var(--border-color);
  color: #555;
  font-size: 14px;
}

.business_detail_text li::before {
  position: absolute;
  top: 22px;
  left: 0;
  width: 6px;
  height: 6px;
  background: var(--accent-color);
  border-radius: 50%;
  content: "";
}


/* ========================================
   Service Page
======================================== */

.service_detail_section {
  background: #fff;
}

.service_detail_section.service_bg {
  background: var(--bg-color-sub);
}

.service_detail_heading {
  max-width: 760px;
  margin-bottom: 48px;
}

.service_detail_heading > p:last-child {
  margin-top: 20px;
  color: #666;
  line-height: 2;
}

.service_detail_image {
  width: 100%;
  height: 460px;
}

.service_item_grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  margin-top: 34px;
}

.service_item_box {
  padding: 32px;
  background: #fff;
  border: 1px solid var(--border-color);
}

.service_bg .service_item_box {
  background: rgba(255, 255, 255, 0.72);
}

.service_item_box h3 {
  color: var(--main-color-dark);
  font-size: 21px;
  font-weight: 500;
}

.service_item_box p {
  margin-top: 14px;
  color: #666;
  font-size: 14px;
  line-height: 1.9;
}

.flow_list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.flow_box {
  position: relative;
  min-height: 250px;
  padding: 30px 24px;
  background: #fff;
  border-top: 3px solid var(--accent-color);
}

.flow_number {
  color: var(--accent-color);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  font-weight: 700;
}

.flow_box h3 {
  margin-top: 14px;
  color: var(--main-color-dark);
  font-size: 19px;
  font-weight: 500;
}

.flow_box p:last-child {
  margin-top: 14px;
  color: #666;
  font-size: 13px;
  line-height: 1.8;
}

.faq_list {
  max-width: 900px;
  margin: 0 auto;
}

.faq_list details {
  border-bottom: 1px solid var(--border-color);
}

.faq_list summary {
  position: relative;
  padding: 28px 60px 28px 0;
  color: var(--main-color-dark);
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

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

.faq_list summary::before,
.faq_list summary::after {
  position: absolute;
  top: 50%;
  right: 18px;
  width: 18px;
  height: 1px;
  background: var(--main-color);
  content: "";
}

.faq_list summary::after {
  transform: rotate(90deg);
  transition: transform 0.3s ease;
}

.faq_list details[open] summary::after {
  transform: rotate(0);
}

.faq_list details p {
  padding: 0 60px 28px 0;
  color: #666;
  font-size: 14px;
  line-height: 2;
}


/* ========================================
   Recruit Page
======================================== */

.recruit_message_text h2 {
  margin: 12px 0 30px;
  color: var(--main-color-dark);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 500;
  line-height: 1.5;
}

.recruit_message_image {
  min-height: 550px;
}

.job_list {
  border-top: 1px solid var(--border-color);
}

.job_box {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 50px;
  padding: 34px 0;
  border-bottom: 1px solid var(--border-color);
}

.job_title {
  display: flex;
  align-items: center;
  gap: 24px;
}

.job_title > p {
  color: var(--accent-color);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  font-weight: 700;
}

.job_title h3 {
  color: var(--main-color-dark);
  font-size: 23px;
  font-weight: 500;
}

.job_text p {
  color: #666;
  font-size: 14px;
  line-height: 1.9;
}

.environment_grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.environment_box {
  background: #fff;
  box-shadow: var(--shadow-small);
}

.environment_image {
  height: 250px;
}

.environment_box h3 {
  margin: 24px 26px 0;
  color: var(--main-color-dark);
  font-size: 20px;
  font-weight: 500;
}

.environment_box > p {
  margin: 14px 26px 30px;
  color: #666;
  font-size: 14px;
  line-height: 1.9;
}

.recruit_entry {
  margin-top: 50px;
  text-align: center;
}

.recruit_entry a {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 330px;
  min-height: 84px;
  color: #fff;
  background: var(--accent-color);
  font-size: 16px;
  transition: background 0.3s ease;
}

.recruit_entry a:hover {
  background: var(--accent-color-dark);
}

.recruit_entry a span {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
}
.recruit_img{
  display: block;
  width: 90%;
  max-width: 700px;
  margin: 50px auto 100px;
}




/* ========================================
   Lower Contact
======================================== */

.lower_contact {
  padding: 0;
  background: var(--main-color-dark);
}

.lower_contact_inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 50px;
  min-height: 330px;
  color: #fff;
}

.lower_contact h2 {
  margin-top: 12px;
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 500;
  line-height: 1.5;
}

.lower_contact_button {
  display: flex;
  flex: 0 0 280px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 110px;
  color: #fff;
  background: var(--accent-color);
  font-size: 15px;
  text-align: center;
  transition: background 0.3s ease;
}

.lower_contact_button:hover {
  background: var(--accent-color-dark);
}

.lower_contact_button span {
  margin-bottom: 5px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
}


/* ========================================
   Footer
======================================== */

footer {
  width: 100%;
  padding: 70px 0 28px;
  overflow: hidden;
  background: #171c22;
}

.footer_inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 50px;
}

.footer_left {
  width: 280px;
}

.footer_left img {
  width: 100%;
  filter: brightness(0) invert(1);
}

.footer_left p {
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 12px;
  text-align: left;
}

.footer_right nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 26px;
}

.footer_right a {
  color: rgba(255, 255, 255, 0.74);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  letter-spacing: 0.08em;
  transition: color 0.3s ease;
}

.footer_right a:hover {
  color: #fff;
}

.copyright,
footer > p {
  width: min(1100px, calc(100% - 48px));
  margin: 50px auto 0;
  padding-top: 24px;
  color: rgba(255, 255, 255, 0.4);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 11px;
  text-align: center;
}




.contel{
  display: block;
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo, "sans-serif";
  font-size: 25px;
}






/* ハンバーガーメニューボタン */
.menu_button {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  background: transparent;
  border: 0;
  cursor: pointer;
  margin-right: 30px;
}

.menu_button span {
  display: block;
  width: 26px;
  height: 2px;
  margin: 6px auto;
  background: var(--main-color);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.menu_button.is_open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.menu_button.is_open span:nth-child(2) {
  opacity: 0;
}

.menu_button.is_open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

body.menu_open {
  overflow: hidden;
}


/*サブページトップ画像*/






/* ========================================
   Tablet
======================================== */

@media screen and (max-width: 1100px) {

  :root {
    --section-padding: 90px;
  }

  header {
    height: 72px;
  }

  .header_nk {
    height: 72px;
  }

  .header_left {
    width: 220px;
  }

  .header_link {
    min-width: 74px;
    margin: 0 2px;
    font-size: 10px;
  }

  .header_link span {
    font-size: 12px;
  }

  .header_contact {
    min-width: 128px;
    height: 72px;
    margin-left: 8px;
    padding: 0 16px;
  }

  .main_view {
    min-height: 680px;
  }

  .message,
  .company,
  .company_message,
  .recruit_message,
  .business_detail_box {
    gap: 50px;
  }

  .business_flex {
    gap: 18px;
  }

  .value_grid,
  .recruit_person_grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .flow_list {
    grid-template-columns: repeat(3, 1fr);
  }

  .company_profile_inner {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}


/* ========================================
   Mobile / Small Tablet
======================================== */

@media screen and (max-width: 800px) {

  :root {
    --section-padding: 72px;
  }

  body {
    line-height: 1.8;
  }

  header {
    position: fixed;
    height: 70px;
  }

  .header_nk {
    display: flex;
    width: 100%;
    height: 70px;
    padding: 0 16px 0 20px;
  }

  .header_left {
    width: 190px;
    padding: 0;
  }

  .menu_button {
    position: relative;
    z-index: 1002;
    display: block;
    flex-shrink: 0;
  }

  .header_right {
    position: fixed;
    z-index: 1001;
    top: 70px;
    right: 0;
    width: 100%;
    height: calc(100vh - 70px);
    overflow-y: auto;
    background: rgba(255, 253, 248, 0.98);
    border-top: 1px solid var(--border-color);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
  }

  .header_right.is_open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .header_right nav {
    display: block;
    min-width: 0;
    height: auto;
    padding: 18px 20px 30px;
  }

  .header_link {
    display: flex;
    align-items: flex-start;
    min-width: 0;
    height: auto;
    margin: 0;
    padding: 18px 8px;
    border-bottom: 1px solid var(--border-color);
    font-size: 12px;
    text-align: left;
  }

  .header_link span {
    margin-bottom: 2px;
    font-size: 15px;
  }

  .header_link::after {
    display: none;
  }

  .header_contact {
    align-items: center;
    min-width: 0;
    width: 100%;
    height: 68px;
    margin: 22px 0 0;
    padding: 0 0px 0 0px;
  }

  .main_view {
    min-height: 620px;
    padding-top: 70px;
  }

  .main_view_text,
  .lower_inner,
  .breadcrumb_inner,
  .lower_contact_inner,
  .footer_inner,
  .message,
  .business,
  .policy,
  .works,
  .company,
  .sub_mv_inner {
    width: min(100% - 32px, 700px);
  }

  .message,
  .company,
  .company_message,
  .recruit_message,
  .business_detail_box,
  .company_profile_inner {
    grid-template-columns: 1fr;
  }

  .message_right {
    padding-top: 0;
  }

  .business_flex,
  .works_flex,
  .environment_grid {
    grid-template-columns: 1fr;
  }

  .bfb_phot,
  .works_image {
    height: 300px;
  }

  .policy_text,
  .business_intro,
  .service_intro {
    width: 100%;
  }

  .policy_flex {
    grid-template-columns: 1fr;
  }

  .works_title {
    display: block;
  }

  .works_title p {
    margin-top: 20px;
  }

  .contact {
    grid-template-columns: 1fr;
  }

  .contact_right a {
    min-height: 150px;
  }

  .sub_mv {
    min-height: 420px;
    padding-top: 90px;
  }

  .business_detail_section.reverse .business_detail_image {
    order: initial;
  }

  .business_detail_image,
  .company_message_image,
  .recruit_message_image {
    min-height: auto;
    height: 420px;
  }

  .service_detail_image {
    height: 360px;
  }

  .service_item_grid {
    grid-template-columns: 1fr;
  }

  .flow_list {
    grid-template-columns: repeat(2, 1fr);
  }

  .job_box {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .company_table dl > div,
  .company_right dl > div {
    grid-template-columns: 130px 1fr;
  }

  .lower_contact_inner {
    display: block;
    padding: 70px 0;
  }

  .lower_contact_button {
    margin-top: 40px;
  }

  .footer_inner {
    display: block;
  }

  .footer_right nav {
    justify-content: flex-start;
    margin-top: 36px;
  }
}


/* ========================================
   Smartphone
======================================== */

@media screen and (max-width: 520px) {

  :root {
    --section-padding: 58px;
  }

  .main_view {
    min-height: 540px;
  }

  .main_view h1 {
    font-size: 37px;
  }

  .main_view_lead br,
  .sub_mv_text br,
  .lower_contact h2 br {
    display: none;
  }

  .main_view_lead {
    font-size: 14px;
  }

  .main_view_button {
    min-width: 170px;
    height: 52px;
  }

  .message_left h1,
  .message_left h2,
  .business > h1,
  .business > h2,
  .works_title h2,
  .company_left h1,
  .company_left h2,
  .lower_heading h2,
  .service_detail_heading h2 {
    font-size: 30px;
  }

  .business_flex_box h2,
  .business_flex_box h3 {
    font-size: 22px;
  }

  .bfb_phot,
  .works_image {
    height: 230px;
  }

  .value_grid,
  .recruit_person_grid,
  .business_style_grid,
  .flow_list {
    grid-template-columns: 1fr;
  }

  .value_box,
  .recruit_person_box,
  .business_style_box {
    min-height: auto;
  }

  .sub_mv {
    min-height: 360px;
    padding-top: 70px;
  }

  .sub_mv h1 {
    font-size: 42px;
  }

  .business_detail_image,
  .company_message_image,
  .recruit_message_image,
  .service_detail_image {
    height: 280px;
  }

  .company_table dl > div,
  .company_right dl > div {
    display: block;
  }

  .company_table dt,
  .company_right dt {
    margin-bottom: 8px;
  }

  .service_item_box,
  .value_box,
  .recruit_person_box,
  .business_style_box {
    padding: 26px 22px;
  }

  .faq_list summary {
    padding-right: 48px;
    font-size: 15px;
  }

  .environment_image {
    height: 220px;
  }

  .recruit_entry a {
    width: 100%;
    min-width: 0;
  }

  .lower_contact_button {
    width: 100%;
    min-height: 100px;
  }

  .footer_left {
    width: 230px;
  }

  .footer_right nav {
    gap: 16px 22px;
  }
  
  
  .company_pc{
  display: none;
}
.company_sp{
  display: block;
}
  
}
```