/* ==========================================================================
   鈴木保険事務所 - Style Sheet
   ========================================================================== */

/* ---------- Variables ---------- */
:root {
  --color-primary: #143b9c;
  --color-text: #181818;
  --color-text-light: #1f1f1f;
  --color-white: #ffffff;
  --color-bg-light: rgba(238, 238, 238, 0.3);
  --color-border: rgba(0, 0, 0, 0.15);
  --font-heading: 'Jost', sans-serif;
  --font-body: 'Noto Sans JP', sans-serif;
  --font-mincho: 'Zen Old Mincho', serif;
  --container-width: 100%;
  --gutter: 16px;
}

@media (min-width: 576px)  { :root { --gutter: 0px; } }

/* ---------- Bootstrap-like Container Widths ---------- */
@media (min-width: 576px)  { :root { --container-width: 540px; } }
@media (min-width: 768px)  { :root { --container-width: 720px; } }
@media (min-width: 992px)  { :root { --container-width: 960px; } }
@media (min-width: 1200px) { :root { --container-width: 1140px; } }
@media (min-width: 1400px) { :root { --container-width: 1320px; } }

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

/* ---------- Section Common ---------- */
.section-label {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: clamp(60px, 9.375vw, 120px);
  color: var(--color-primary);
  line-height: 1;
  letter-spacing: 0;
}

.section-label--white {
  color: var(--color-white);
}

.section-label--center {
  text-align: center;
}

.section-title {
  font-family: var(--font-mincho);
  font-weight: 600;
  font-size: clamp(22px, 2.23vw, 28.5px);
  color: var(--color-text);
  letter-spacing: 1.6px;
  margin-top: 16px;
}

.section-title--white {
  color: var(--color-white);
}

.section-title--center {
  text-align: center;
}

/* ==========================================================================
   Header
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 85px;
  background: transparent;
  z-index: 100;
  transition: background 0.3s, box-shadow 0.3s;
}

.header.is-scrolled,
.header:has(.header__nav.is-open) {
  background: var(--color-white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.header__logo a {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(22px, 2.66vw, 34px);
  color: var(--color-white);
  letter-spacing: 2.04px;
  transition: color 0.3s;
}

.header.is-scrolled .header__logo a {
  color: var(--color-text);
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header__nav-list a {
  font-family: 'YuGothic', 'Yu Gothic', sans-serif;
  font-weight: bold;
  font-size: 14px;
  color: var(--color-white);
  transition: color 0.3s;
}

.header.is-scrolled .header__nav-list a {
  color: var(--color-text-light);
}

.header.is-scrolled .header__nav-contact,
.header__nav-contact {
  color: var(--color-white) !important;
}

.header__nav-contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-white) !important;
  border-radius: 9999px;
  padding: 8px 24px;
  height: 36px;
}

/* Hamburger */
.header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 110;
}

.header__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: transform 0.3s, opacity 0.3s, background 0.3s;
}

.header.is-scrolled .header__hamburger span {
  background: var(--color-text);
}

.header__hamburger.is-open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.header__hamburger.is-open span:nth-child(2) {
  opacity: 0;
}

.header__hamburger.is-open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
}

.hero__bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 33, 118, 0.2);
}

.hero__content {
  position: relative;
  z-index: 1;
  padding: 85px 10px 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Hero text animation */
.hero__title-large .char,
.hero__title-small .char,
.hero__catch .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.25s ease-out, transform 0.25s ease-out;
}

.hero__title-large .char.is-visible,
.hero__title-small .char.is-visible,
.hero__catch .char.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hero__title-large {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: clamp(80px, 20vw, 256px);
  line-height: 0.88;
  color: var(--color-text);
}

.hero__title-small {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(40px, 9.375vw, 120px);
  line-height: 0.92;
  color: var(--color-text);
  letter-spacing: -1.2px;
  margin-top: 20px;
}

.hero__catch {
  font-family: var(--font-mincho);
  font-weight: 500;
  font-size: clamp(22px, 3.125vw, 40px);
  font-style: italic;
  line-height: 1.78;
  color: var(--color-text);
  letter-spacing: 4.9px;
  text-align: right;
  margin-top: auto;
  padding-bottom: 40px;
}

/* ==========================================================================
   Scroll animations
   ========================================================================== */
.anim-slide-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.anim-slide-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.anim-fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.anim-fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   About
   ========================================================================== */
.about {
  position: relative;
  padding: 123px 0 100px;
  overflow: hidden;
}

/* Shooting star lines */
.about__stars {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.about__star {
  position: absolute;
  width: 5px;
  height: 270px;
  background: linear-gradient(to bottom, transparent, rgba(20, 59, 156, 0.2), transparent);
  transform: rotate(45deg);
  animation: shooting-star 3s linear infinite;
  opacity: 0;
}

.about__star:nth-child(1) { left: 15%; top: -300px; animation-delay: 0s; animation-duration: 2.4s; height: 260px; }
.about__star:nth-child(2) { left: 40%; top: -300px; animation-delay: 0.8s; animation-duration: 2.8s; height: 300px; }
.about__star:nth-child(3) { left: 65%; top: -300px; animation-delay: 1.6s; animation-duration: 2.2s; height: 250px; }
.about__star:nth-child(4) { left: 85%; top: -300px; animation-delay: 2.4s; animation-duration: 3s; height: 290px; }
.about__star:nth-child(5) { left: 30%; top: -300px; animation-delay: 3.2s; animation-duration: 2.6s; height: 270px; }
.about__star:nth-child(6) { left: 55%; top: -300px; animation-delay: 4s; animation-duration: 2s; height: 255px; }
.about__star:nth-child(7) { left: 75%; top: -300px; animation-delay: 1.2s; animation-duration: 3.2s; height: 285px; }
.about__star:nth-child(8) { left: 10%; top: -300px; animation-delay: 2.8s; animation-duration: 2.5s; height: 295px; }

@keyframes shooting-star {
  0% {
    transform: rotate(45deg) translateY(-100px);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  70% {
    opacity: 1;
  }
  100% {
    transform: rotate(45deg) translateY(calc(100vh + 100px));
    opacity: 0;
  }
}

.about__container {
  position: relative;
  z-index: 1;
}

.about__accent-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 26px;
  height: 100%;
  background: var(--color-primary);
}

.about__container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--gutter, 16px);
}

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

.about__heading-left {
  flex-shrink: 0;
}

.about__heading-image {
  width: 377px;
  height: 262px;
  flex-shrink: 0;
  overflow: hidden;
}

.about__heading-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about__text {
  margin-top: 80px;
  font-weight: 500;
  font-size: clamp(16px, 1.5625vw, 20px);
  line-height: 2.25;
  letter-spacing: 2px;
}

.about__text p + p {
  margin-top: 1em;
}

/* ==========================================================================
   Vision
   ========================================================================== */
.vision {
  position: relative;
  background: var(--color-primary);
  padding: 0 0 80px;
  overflow: hidden;
}

/* Vision particles */
.vision__particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.vision__particle {
  position: absolute;
  width: 10px;
  height: 10px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  animation: particle-float linear infinite;
  opacity: 0;
}

.vision__particle:nth-child(1)  { left:  3%; bottom: -10px; animation-delay: 0s;    animation-duration: 7s;   }
.vision__particle:nth-child(2)  { left:  9%; bottom: -10px; animation-delay: 2.5s;  animation-duration: 8.5s; }
.vision__particle:nth-child(3)  { left: 15%; bottom: -10px; animation-delay: 0.8s;  animation-duration: 9s;   }
.vision__particle:nth-child(4)  { left: 21%; bottom: -10px; animation-delay: 3.8s;  animation-duration: 7.5s; }
.vision__particle:nth-child(5)  { left: 27%; bottom: -10px; animation-delay: 1.5s;  animation-duration: 8s;   }
.vision__particle:nth-child(6)  { left: 33%; bottom: -10px; animation-delay: 4.5s;  animation-duration: 9.5s; }
.vision__particle:nth-child(7)  { left: 39%; bottom: -10px; animation-delay: 0.3s;  animation-duration: 7s;   }
.vision__particle:nth-child(8)  { left: 45%; bottom: -10px; animation-delay: 2.8s;  animation-duration: 8.5s; }
.vision__particle:nth-child(9)  { left: 51%; bottom: -10px; animation-delay: 5.2s;  animation-duration: 7.5s; }
.vision__particle:nth-child(10) { left: 57%; bottom: -10px; animation-delay: 1s;    animation-duration: 9s;   }
.vision__particle:nth-child(11) { left: 63%; bottom: -10px; animation-delay: 3.2s;  animation-duration: 8s;   }
.vision__particle:nth-child(12) { left: 69%; bottom: -10px; animation-delay: 0.6s;  animation-duration: 7.5s; }
.vision__particle:nth-child(13) { left: 75%; bottom: -10px; animation-delay: 4s;    animation-duration: 9.5s; }
.vision__particle:nth-child(14) { left: 81%; bottom: -10px; animation-delay: 1.8s;  animation-duration: 7s;   }
.vision__particle:nth-child(15) { left: 87%; bottom: -10px; animation-delay: 5s;    animation-duration: 8.5s; }
.vision__particle:nth-child(16) { left: 93%; bottom: -10px; animation-delay: 2s;    animation-duration: 9s;   }
.vision__particle:nth-child(17) { left:  6%; bottom: -10px; animation-delay: 3.5s;  animation-duration: 8s;   }
.vision__particle:nth-child(18) { left: 12%; bottom: -10px; animation-delay: 5.5s;  animation-duration: 7.5s; }
.vision__particle:nth-child(19) { left: 24%; bottom: -10px; animation-delay: 1.2s;  animation-duration: 9.5s; }
.vision__particle:nth-child(20) { left: 36%; bottom: -10px; animation-delay: 4.2s;  animation-duration: 7s;   }
.vision__particle:nth-child(21) { left: 48%; bottom: -10px; animation-delay: 0.5s;  animation-duration: 8.5s; }
.vision__particle:nth-child(22) { left: 54%; bottom: -10px; animation-delay: 3s;    animation-duration: 9s;   }
.vision__particle:nth-child(23) { left: 66%; bottom: -10px; animation-delay: 5.8s;  animation-duration: 7.5s; }
.vision__particle:nth-child(24) { left: 78%; bottom: -10px; animation-delay: 2.3s;  animation-duration: 8s;   }
.vision__particle:nth-child(25) { left: 84%; bottom: -10px; animation-delay: 4.8s;  animation-duration: 9.5s; }
.vision__particle:nth-child(26) { left: 96%; bottom: -10px; animation-delay: 1.6s;  animation-duration: 7s;   }
.vision__particle:nth-child(27) { left: 18%; bottom: -10px; animation-delay: 6s;    animation-duration: 8.5s; }
.vision__particle:nth-child(28) { left: 42%; bottom: -10px; animation-delay: 0.2s;  animation-duration: 9s;   }
.vision__particle:nth-child(29) { left: 60%; bottom: -10px; animation-delay: 3.7s;  animation-duration: 7.5s; }
.vision__particle:nth-child(30) { left: 72%; bottom: -10px; animation-delay: 5.3s;  animation-duration: 8s;   }

@keyframes particle-float {
  0% {
    transform: translateY(0) translateX(0);
    opacity: 0;
  }
  10% {
    opacity: 0.6;
  }
  50% {
    opacity: 0.4;
  }
  90% {
    opacity: 0.6;
  }
  100% {
    transform: translateY(calc(-100vh - 20px)) translateX(30px);
    opacity: 0;
  }
}

.vision__image {
  position: relative;
  z-index: 1;
  width: calc(100% - 120px);
  height: 402px;
  overflow: hidden;
  margin-top: 77px;
}

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

.vision__heading {
  position: relative;
  z-index: 1;
  padding: 80px 0 0;
  max-width: var(--container-width);
  margin: 0 auto;
  padding-left: var(--gutter, 16px);
}

.vision__heading .section-label {
  font-size: clamp(80px, 15.625vw, 200px);
}

.vision__heading-sub {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 18px;
  color: var(--color-white);
  letter-spacing: 2px;
  margin-top: 24px;
}

.vision__items {
  position: relative;
  z-index: 1;
  max-width: var(--container-width);
  margin: 60px auto 0;
  padding: 0 var(--gutter, 16px);
}

.vision__subheading {
  position: relative;
  z-index: 1;
  max-width: var(--container-width);
  margin: 60px auto 0;
  padding: 0 var(--gutter, 16px);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 28px;
  color: var(--color-white);
  letter-spacing: 0.1em;
  line-height: 1.4;
}

.vision__subheading--mt {
  margin-top: 64px;
}

.vision__subheading + .vision__items {
  margin-top: 24px;
}

.vision__creed {
  padding: 0 0 24px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.vision__creed-title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 22px;
  color: var(--color-white);
  letter-spacing: 0.18px;
  line-height: 1.5;
}

.vision__creed-text {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 18px;
  color: var(--color-white);
  letter-spacing: 0.18px;
  line-height: 1.75;
  margin-top: 16px;
}

.vision__item {
  padding: 0 0 24px 63px;
  position: relative;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  margin-bottom: 24px;
}

.vision__item-num {
  position: absolute;
  left: 0;
  top: 0;
  width: 46px;
  height: 46px;
  background: var(--color-white);
  border-radius: 23px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 20px;
  color: var(--color-primary);
  letter-spacing: -1px;
}

.vision__item-title {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 24px;
  color: var(--color-white);
  letter-spacing: 0.18px;
  line-height: 1.3;
}

.vision__item-text {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 18px;
  color: var(--color-white);
  letter-spacing: 0.18px;
  line-height: 1.75;
  margin-top: 12px;
}

/* ==========================================================================
   Service
   ========================================================================== */
.service {
  position: relative;
  background: var(--color-bg-light);
  padding: 123px 0 100px;
  overflow: hidden;
}

.service__accent-line {
  position: absolute;
  top: 0;
  right: 0;
  width: 26px;
  height: 100%;
  background: var(--color-primary);
}

.service__container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--gutter, 16px);
}

.service__lead {
  font-weight: 500;
  font-size: 18px;
  letter-spacing: 2px;
  margin-top: 30px;
}

.service__cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  margin-top: 100px;
}

.service__card {
  display: block;
  background: var(--color-white);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}

.service__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.service__card-image {
  width: 100%;
  aspect-ratio: 500 / 348;
  overflow: hidden;
}

.service__card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service__card-body {
  padding: 20px 10px 24px;
}

.service__card-title {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: clamp(18px, 1.875vw, 24px);
  color: var(--color-text);
}

.service__card-text {
  font-size: 13.8px;
  color: var(--color-text);
  opacity: 0.8;
  line-height: 1.96;
  margin-top: 8px;
}

.service__feature {
  margin-top: 100px;
  background: var(--color-white);
  border-radius: 16px;
  overflow: hidden;
}

.service__feature-image {
  width: 100%;
  aspect-ratio: 1000 / 320;
  overflow: hidden;
}

.service__feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service__feature-title {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: clamp(20px, 2.08vw, 28px);
  color: var(--color-text);
  padding: 36px 36px 0;
}

.service__items {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  padding: 28px 36px 0;
}

.service__item-title {
  font-weight: 600;
  font-size: 18px;
  color: var(--color-primary);
}

.service__item-catch {
  font-weight: 500;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
  margin-top: 12px;
}

.service__item-text {
  font-size: 13.8px;
  color: var(--color-text);
  opacity: 0.8;
  line-height: 1.96;
  margin-top: 12px;
}

.service__note {
  font-size: 14px;
  color: var(--color-text);
  opacity: 0.8;
  padding: 28px 36px 36px;
}

/* ==========================================================================
   Underwriter
   ========================================================================== */
.underwriter {
  position: relative;
  padding: 123px 0 100px;
  overflow: hidden;
}

.underwriter__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  pointer-events: none;
}

.underwriter__container {
  position: relative;
  z-index: 1;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--gutter, 16px);
}

.underwriter__heading {
  text-align: center;
}

.underwriter__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  margin-top: 50px;
}

.underwriter__item {
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: clamp(20px, 2.34vw, 30px);
  text-align: center;
  letter-spacing: 1.8px;
  padding: 36px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   Company
   ========================================================================== */
.company {
  position: relative;
  background: var(--color-white);
  padding: 123px 0 100px;
  overflow: hidden;
}

.company__accent-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 26px;
  height: 100%;
  background: var(--color-primary);
}

.company__container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--gutter, 16px);
}

.company__list {
  margin-top: 40px;
  max-width: 850px;
}

.company__row {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  padding: 22px 0;
}

.company__row dt {
  width: 250px;
  flex-shrink: 0;
  font-weight: 700;
  font-size: 14px;
  line-height: 1.83;
}

.company__row dd {
  font-weight: 400;
  font-size: 14px;
  line-height: 1.83;
}

.company__map-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.6px;
  margin-top: 8px;
}

.company__map-link:hover {
  opacity: 0.7;
}

.company__map-icon {
  display: inline-flex;
  align-items: center;
}


/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: var(--color-primary);
  padding: 40px 80px;
  position: relative;
}

.footer__inner {
  position: relative;
  max-width: var(--container-width);
  margin: 0 auto;
}

.footer__divider {
  width: 100%;
  height: 1px;
  background: rgba(255, 255, 255, 0.2);
  margin-bottom: 24px;
}

.footer__nav {
  text-align: center;
}

.footer__nav-list {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 17px 28px;
}

.footer__nav-list a {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 14px;
  color: var(--color-white);
}

.footer__nav-list a:hover {
  opacity: 0.7;
}

/* ==========================================================================
   Scroll to top (fixed)
   ========================================================================== */
.scroll-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.scroll-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.scroll-top img {
  width: 50px;
  height: 50px;
  transform: rotate(-90deg);
}

.footer__copyright {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 12px;
  color: var(--color-white);
  text-align: center;
  margin-top: 80px;
}

/* ==========================================================================
   Responsive - Tablet (≤1023px)
   ========================================================================== */
@media (max-width: 1023px) {
  .header__hamburger {
    display: flex;
  }

  .header__nav {
    position: fixed;
    top: 85px;
    left: 0;
    width: 100%;
    height: calc(100vh - 85px);
    background: var(--color-white);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 40px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
  }

  .header__nav.is-open {
    transform: translateX(0);
  }

  .header__nav-list {
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }

  .header__nav-list a {
    font-size: 18px;
  }

  .about__heading {
    flex-direction: column;
  }

  .about__heading-image {
    width: 100%;
    height: 240px;
  }

  .vision__image {
    width: 100%;
    height: 300px;
  }

  .vision__heading {
    padding-left: 24px;
  }

  .service__cards {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 60px;
  }

  .service__feature {
    margin-top: 60px;
  }

  .service__feature-image {
    aspect-ratio: 500 / 280;
  }

  .service__feature-title {
    padding: 28px 24px 0;
  }

  .service__items {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 24px 24px 0;
  }

  .service__note {
    padding: 24px 24px 28px;
  }

  .underwriter__list {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .company__row {
    flex-direction: column;
    gap: 4px;
  }

  .company__row dt {
    width: 100%;
  }

  .footer {
    padding: 40px 24px;
  }
}

/* ==========================================================================
   Responsive - Mobile (≤767px)
   ========================================================================== */
@media (max-width: 767px) {
  .header {
    height: 60px;
  }

  .header__nav {
    top: 60px;
    height: calc(100vh - 60px);
  }

  .hero__catch {
    font-size: 18px;
    letter-spacing: 2px;
  }

  .about,
  .service,
  .underwriter,
  .company {
    padding: 80px 0 60px;
  }

  .about__accent-line,
  .service__accent-line,
  .company__accent-line {
    width: 16px;
  }

  .about__text {
    font-size: 16px;
    line-height: 2;
  }

  .vision__image {
    height: 200px;
    margin-top: 40px;
  }

  .vision__heading .section-label {
    font-size: 60px;
  }

  .vision__item-title {
    font-size: 20px;
  }

  .vision__item-text {
    font-size: 15px;
  }

  .vision__subheading {
    font-size: 22px;
  }

  .vision__subheading--mt {
    margin-top: 48px;
  }

  .vision__creed-title {
    font-size: 18px;
  }

  .vision__creed-text {
    font-size: 15px;
  }

  .service__cards {
    margin-top: 40px;
  }

  .service__feature {
    margin-top: 40px;
  }

  .underwriter__item {
    font-size: 18px;
    padding: 24px 16px;
  }

  .footer__nav-list {
    gap: 12px 20px;
  }

  .footer__copyright {
    margin-top: 50px;
    font-size: 11px;
  }

  .scroll-top {
    right: 16px;
    bottom: 16px;
    width: 40px;
    height: 40px;
  }

  .scroll-top img {
    width: 40px;
    height: 40px;
  }
}